WO2022193360A1 - 显示面板和显示装置 - Google Patents
显示面板和显示装置 Download PDFInfo
- Publication number
- WO2022193360A1 WO2022193360A1 PCT/CN2021/083855 CN2021083855W WO2022193360A1 WO 2022193360 A1 WO2022193360 A1 WO 2022193360A1 CN 2021083855 W CN2021083855 W CN 2021083855W WO 2022193360 A1 WO2022193360 A1 WO 2022193360A1
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- WIPO (PCT)
- Prior art keywords
- display area
- sub
- display
- area
- display panel
- Prior art date
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- 239000010410 layer Substances 0.000 claims description 33
- 239000000758 substrate Substances 0.000 claims description 13
- 238000005452 bending Methods 0.000 claims description 10
- 238000005538 encapsulation Methods 0.000 claims description 8
- 239000002346 layers by function Substances 0.000 claims description 8
- 230000003287 optical effect Effects 0.000 description 34
- 239000000853 adhesive Substances 0.000 description 18
- 230000001070 adhesive effect Effects 0.000 description 18
- 239000003292 glue Substances 0.000 description 16
- 238000010586 diagram Methods 0.000 description 6
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000003475 lamination Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000001154 acute effect Effects 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 238000012938 design process Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
Classifications
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K5/00—Casings, cabinets or drawers for electric apparatus
- H05K5/02—Details
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
- G09F9/00—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements
- G09F9/30—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements
- G09F9/301—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements flexible foldable or roll-able electronic displays, e.g. thin LCD, OLED
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
- G06F1/16—Constructional details or arrangements
- G06F1/1601—Constructional details related to the housing of computer displays, e.g. of CRT monitors, of flat displays
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
- G06F1/16—Constructional details or arrangements
- G06F1/1613—Constructional details or arrangements for portable computers
- G06F1/1626—Constructional details or arrangements for portable computers with a single-body enclosure integrating a flat display, e.g. Personal Digital Assistants [PDAs]
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
- G06F1/16—Constructional details or arrangements
- G06F1/1613—Constructional details or arrangements for portable computers
- G06F1/1633—Constructional details or arrangements of portable computers not specific to the type of enclosures covered by groups G06F1/1615 - G06F1/1626
- G06F1/1637—Details related to the display arrangement, including those related to the mounting of the display in the housing
- G06F1/1652—Details related to the display arrangement, including those related to the mounting of the display in the housing the display being flexible, e.g. mimicking a sheet of paper, or rollable
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
- H10K2102/00—Constructional details relating to the organic devices covered by this subclass
- H10K2102/301—Details of OLEDs
- H10K2102/311—Flexible OLED
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
- H10K77/00—Constructional details of devices covered by this subclass and not covered by groups H10K10/80, H10K30/80, H10K50/80 or H10K59/80
- H10K77/10—Substrates, e.g. flexible substrates
- H10K77/111—Flexible substrates
Definitions
- the present application relates to the field of display technology, and in particular, to a display panel and a display device.
- the display device in order to increase the screen ratio of the display device to achieve a full screen, the display device will be designed accordingly.
- the device even if the four sides of the display device can be displayed, but in the display device with side display, there will be uneven stress on each side of the display panel, resulting in a certain side of the display panel. If there is a fracture, black spots or dark lines will appear during the reliability test of the display device, which will cause the display panel to fail to work normally.
- the existing display device with side display has the technical problem that the stress on each side is uneven, which causes the display device to break.
- Embodiments of the present application provide a display panel and a display device, which are used to solve the technical problem that the existing display device with side display has uneven stress on each side, which causes the display device to break.
- An embodiment of the present application provides a display panel, the display panel includes:
- a secondary display area which is arranged adjacent to the periphery of the main display area
- a terminal area arranged on a side of the sub display area away from the main display area;
- the auxiliary display area includes a first auxiliary display area and a second auxiliary display area adjacent to the main display area in a first direction and a second direction respectively, the first direction and the second direction Differently, the difference between the area of the first sub-display area and the area of the second sub-display area is less than or equal to a preset value.
- the main display area includes a first side that contacts the first sub-display area in a first direction and a second side that contacts the second sub-display area in a second direction Side, the first side and the second side intersect to form a corner, and the shape of the corner is an arc angle.
- the shapes of the first auxiliary display area and the second auxiliary display area are rectangles, and the areas of the first auxiliary display area and the second auxiliary display area are equal.
- the length of the first sub-display area is smaller than the length of the second sub-display area, and the width of the first sub-display area is greater than the width of the second sub-display area.
- the main display area includes a first side that contacts the first sub-display area in a first direction and a second side that contacts the second sub-display area in a second direction Side, the first side and the second side intersect to form a corner, and the shape of the corner is a straight angle.
- the shapes of the first sub-display area and the second sub-display area are trapezoidal-like, two sides of the first sub-display area and the second sub-display area are arc-shaped, and the The areas of the first sub-display area and the second sub-display area are equal.
- the width of the first sub-display area along the first direction is smaller than the width of the second sub-display area along the second direction.
- the thickness of the display panel located in the first sub-display area is equal to the thickness of the display panel located in the second sub-display area.
- the bending angle of the display panel of the first sub-display area is in the range of 45 degrees to 90 degrees, and the bending angle of the display panel of the second sub-display area is in the range of 45 degrees to 90 degrees .
- the curvature of the display panel located in the first sub-display area is the same as the curvature of the display panel located in the second sub-display area.
- the display panel includes:
- a driving circuit layer disposed on one side of the substrate
- a light-emitting functional layer disposed on the side of the driving circuit layer away from the substrate;
- an encapsulation layer disposed on the side of the light-emitting functional layer away from the driving circuit layer;
- a polarizer arranged on the side of the encapsulation layer away from the light-emitting functional layer;
- the polarizer includes a first polarizer part disposed in the first sub-display area and a second polarizer part disposed in the second sub-display area, and the area of the first polarizer part is the same as that of the first polarizer part.
- the difference between the areas of the second polarizer portion is less than or equal to the preset value.
- the display panel further includes a backplane, the backplane is disposed on a side of the substrate away from the driving circuit layer, and the backplane includes a backplane disposed in the first sub-display area The first backplane part and the second backplane part arranged in the second secondary display area, the difference between the area of the first backplane part and the area of the second backplane part is less than or equal to the default value.
- the display panel further includes a cover plate, the cover plate is disposed on a side of the polarizer away from the encapsulation layer, and the surface area of the cover plate is larger than that of the polarizer.
- an embodiment of the present application provides a display device, and the display device includes:
- a display panel including a main display area, a secondary display area and a terminal area
- the secondary display area is arranged adjacent to the periphery of the main display area
- the terminal area is arranged on the side of the secondary display area away from the main display area
- the auxiliary display area includes a first auxiliary display area and a second auxiliary display area adjacent to the main display area in a first direction and a second direction respectively, the first direction and the second direction
- the difference between the area of the first sub-display area and the area of the second sub-display area is less than or equal to a preset value.
- the main display area includes a first side that contacts the first sub-display area in a first direction and a second side that contacts the second sub-display area in a second direction Side, the first side and the second side intersect to form a corner, and the shape of the corner is an arc angle.
- the shapes of the first auxiliary display area and the second auxiliary display area are rectangles, and the areas of the first auxiliary display area and the second auxiliary display area are equal.
- the length of the first sub-display area is smaller than the length of the second sub-display area, and the width of the first sub-display area is greater than the width of the second sub-display area.
- the main display area includes a first side that contacts the first sub-display area in a first direction and a second side that contacts the second sub-display area in a second direction Side, the first side and the second side intersect to form a corner, and the shape of the corner is a straight angle.
- the shapes of the first sub-display area and the second sub-display area are trapezoidal-like, two sides of the first sub-display area and the second sub-display area are arc-shaped, and the The areas of the first sub-display area and the second sub-display area are equal.
- the width of the first sub-display area along the first direction is smaller than the width of the second sub-display area along the second direction.
- the present application provides a display panel and a display device.
- the display panel includes a main display area, a sub-display area and a terminal area.
- the sub-display area is disposed adjacent to the periphery of the main display area, and the terminal area is disposed on the side of the sub-display area away from the main display area.
- the auxiliary display area includes a first auxiliary display area and a second auxiliary display area adjacent to the main display area in the first direction and the second direction respectively, the first direction is different from the second direction, the first auxiliary display area
- the difference between the area of and the area of the second sub-display area is less than or equal to the preset value.
- the first sub-display area and the second sub-display area are affected by The difference of the force area is less than or equal to the preset value, so that the force of the first sub-display area and the second sub-display area is uniform, avoiding the force concentration on one side of the display panel causing the display panel to break, and improving the display panel. yield rate.
- FIG. 1 is a schematic structural diagram of a conventional display device.
- FIG. 2 is a schematic diagram of a broken display panel in a conventional display device.
- FIG. 3 is a first schematic diagram of a display panel provided by an embodiment of the present application.
- FIG. 4 is a second schematic diagram of a display panel according to an embodiment of the present application.
- FIG. 5 is a first schematic diagram of a display device provided by an embodiment of the present application.
- FIG. 6 is a second schematic diagram of a display device provided by an embodiment of the present application.
- the embodiments of the present application aim at the technical problem that the existing display device with side display has uneven stress on each side, which causes the display device to break, and the present application is used to solve the technical problem.
- the display panel is bent to the back, so that the display panel forms an arc surface on the four sides, so that the front of the display panel and the All four curved surfaces can be displayed, thereby increasing the display area and screen ratio of the display panel, namely the upper curved display area 11, the right curved display area 12, the lower curved display area 13, and the left curved display area in Figure 1 14.
- the front flat display area 15 can be displayed, but during the reliability test of the display panel, there will be uneven stress on each side of the display panel, which will cause the side of the display panel to break, as shown in Figure 2.
- the display panel includes an electronic component setting area 111, a frame 112, and a broken line 113, that is, a broken line 113 will appear in the left curved display area 14 of the display panel, causing the display panel to appear dark lines during display.
- a broken line 113 will appear in the left curved display area 14 of the display panel, causing the display panel to appear dark lines during display.
- black spots which cause the display panel to fail to display normally, and the display panel is defective. That is, the existing display device with side display has uneven stress on each side, causing the display device to break.
- an embodiment of the present application provides a display panel, and the display panel includes:
- main display area 21
- the secondary display area 22 is arranged adjacent to the periphery of the main display area 21;
- the terminal area 23 is disposed on the side of the secondary display area 22 away from the main display area 21;
- the auxiliary display area 22 includes a first auxiliary display area 221 and a second auxiliary display area 222 adjacent to the main display area 21 in the first direction 241 and the second direction 242 respectively.
- An embodiment of the present application provides a display panel, in which the difference between the areas of the first sub-display area and the second sub-display area in two directions of the display panel is set to be less than or equal to a preset value, so that the first sub-display area is equal to or less than a preset value.
- the difference between the force-bearing areas of the sub-display area and the second sub-display area is less than or equal to the preset value, so that the force-bearing area of the first sub-display area and the second sub-display area is uniform, and a certain side of the display panel is prevented from being affected.
- the force concentration causes breakage of the display panel, which improves the yield of the display panel.
- the preset value is set according to a benchmark that makes the stress on each bonding area of the display panel uniform, for example, in the area of the first sub-display area and the second sub-display area.
- a benchmark that makes the stress on each bonding area of the display panel uniform, for example, in the area of the first sub-display area and the second sub-display area.
- the default value is 1 square millimeter.
- the default value is correspondingly negative, but in order to describe the first sub-display more clearly
- the difference between the areas of the first sub-display area and the second sub-display area is defined in the present application as a positive value, and the preset value is greater than or equal to 0.
- the area of the first sub-display area and the area of the second sub-display area refer to the projected area on the display interface corresponding to the main display area, that is, the area of the first sub-display area and the second sub-display area refers to the area of the projection on the display interface corresponding to the main display area.
- the plane area is, for example, the projected area on the plane of the display panel shown in FIG. 3 .
- the first direction and the second direction are two directions that are perpendicular to each other.
- the display panel is designed to be rectangular or quasi-rectangular, that is, the first direction and the second direction are In the two vertical directions, the areas of the first sub-display area and the second sub-display area in the two mutually perpendicular directions are equal, so as to avoid the display panel from being broken due to uneven force on the side of the display panel.
- the main display area 21 includes a flat display area 211 , a corner display area 213 and a side display area 212 , wherein, when the display panel is bent to form a four-curved surface, the side display area 212 will bend.
- the main display area 21 includes a first side in contact with the first sub-display area 221 in the first direction 241 and a first side in contact with the first sub-display area 221 in the second direction 242
- the second side contacted by the second sub-display area 222, the first side and the second side intersect to form a corner, and the shape of the corner is an arc angle (the arc angle here refers to the
- the shape of the main display area 21 at the corners shown in FIG. 3 is formed by arcs, such as circular arcs, elliptical arcs, etc.).
- the arc angle can be set as the shape and length of the arc according to requirements.
- the shapes of the first sub-display area and the second sub-display area are rectangles, and the area a*b of the first sub-display area 221 and the second sub-display area
- the force-bearing area of the display panel is the same as the force-bearing area of the second sub-display area, so that the force-bearing area of the first sub-display area and the second sub-display area is uniform, and the display panel is prevented from being broken due to uneven force of the display panel.
- the first sub-display area 221 includes a first upper sub-display area 221a and a first lower sub-display area 221b which are disposed opposite to each other, and the first upper sub-display area 221a is equal to the area of the first lower sub-display area 221b, considering that the first sub-display area of the display panel includes a first upper sub-display area located on the upper side of the display panel and a first lower sub-display area located on the lower side of the display panel , the areas of the first upper sub-display area and the first lower sub-display area can be made equal, so that the difference between the areas of the first upper sub-display area and a second sub-display area is smaller than the preset value, and the first lower sub-display area The difference between the areas of the display area and the one second sub-display area is smaller than the preset value, so that the stress on the at least one second sub-display area and the first upper sub-display
- the second sub-display area 222 includes a second left sub-display area 222a and a second right sub-display area 222b which are oppositely arranged, and the second left sub-display area 222a
- the area of the second right sub-display area 222b is equal to that of the second right sub-display area, considering that the second sub-display area of the display panel includes the second left sub-display area and the second right sub-display area, the second left sub-display area and the second The areas of the right sub-display area are equal, so that the difference between the areas of the second left sub-display area and the at least one first sub-display area is smaller than the preset value, and the area of the second right sub-display area and the at least one first sub-display area is The difference is smaller than the preset value, so that the stress on the second left sub-display area, the second right sub-display area and the at least one first sub-display area is uniform,
- the first upper sub-display area represents an area located on the upper side of the display panel, but in the embodiments of the present application, it is not limited that the first upper sub-display area is located on the upper side of the display panel, the first The upper sub-display area can also be an area between the main display area and the terminal area.
- the areas represented by the first lower sub-display area, the second left sub-display area and the second right sub-display area are not limited to Displays the lower, left, and right areas of the panel.
- the first sub-display area includes a first upper sub-display area and a first lower sub-display area arranged oppositely
- the second sub-display area includes a second left sub-display area arranged oppositely
- the areas of the first upper sub-display area, the first lower sub-display area, the second left sub-display area and the second right sub-display area are equal.
- Uniformity can make the area of the sub-display areas located on the four sides of the display panel equal, so that the display panels in each sub-display area are equally stressed, and the display panels in each sub-display area are uniformly stressed, thereby avoiding the appearance of the display panel.
- the problem of fracture caused by concentrated stress improves the yield of the display panel.
- the first upper sub-display area is disposed on a side of the main display area away from the terminal area, and the difference between the areas of the first upper sub-display area and the second left sub-display area is less than or equal to a preset value value, so that the difference between the areas of the first upper sub-display area and the second left sub-display area is less than or equal to the preset value, then the stress on the display panels of the first upper sub-display area and the second left sub-display area is similar Even equal, so that the stress on the display panels in the first upper sub-display area and the second left sub-display area is uniform, and the display panels in the first upper sub-display area and the second left sub-display area are prevented from breaking due to stress concentration.
- the first upper sub-display area is disposed on the side of the main display area away from the terminal area, and the difference between the areas of the first upper sub-display area and the second right sub-display area is less than or equal to a preset value, The difference between the areas of the first upper sub-display area and the second right sub-display area is less than or equal to the preset value, so that the stress on the display panels of the first upper sub-display area and the second right sub-display area is similar or even Therefore, the stress on the display panels in the first upper sub-display area and the second right sub-display area is uniform, thereby preventing the display panels in the first upper sub-display area and the second right sub-display area from breaking due to stress concentration.
- the first lower sub-display area is disposed between the main display area and the terminal area, and the difference between the areas of the first lower sub-display area and the second left sub-display area is less than or equal to a preset value, and the The difference between the areas of the first lower sub-display area and the second left sub-display area is less than or equal to the preset value, so that the stress on the display panels of the first lower sub-display area and the second left sub-display area is similar to or even equal, so that the stress on the display panels in the first lower sub-display area and the second left sub-display area is uniform, so as to avoid the stress concentration of the display panels in the first lower sub-display area and the second left sub-display area causing the display panel to break .
- the first lower sub-display area is disposed between the main display area and the terminal area, and the difference between the areas of the first lower sub-display area and the second right sub-display area is less than or equal to a preset value, and the The difference between the areas of the first lower sub-display area and the second right sub-display area is less than or equal to the preset value, so that the stress on the display panels of the first lower sub-display area and the second right sub-display area is uniform, so as to avoid Stress concentration occurs in the display panels of the first lower sub-display area and the second right sub-display area, causing the display panels to break.
- the shapes of the first upper sub-display area, the first lower sub-display area, the second left sub-display area, and the second right sub-display area include rectangles.
- the length of the first sub-display area is smaller than the length of the second sub-display area, and the width of the first sub-display area is greater than the width of the second sub-display area, and the display panel If the design shape is a rectangle, the lengths of the adjacent two sides of the display panel are not equal, that is, the length of the first sub-display area is less than the length of the second sub-display area, and the width of the first sub-display area is correspondingly controlled to be greater than the second sub-display area.
- the width of the area is adjusted so that the area of the first sub-display area is equal to the area of the second sub-display area, so as to prevent the display panel from being broken due to uneven force on the sides of the display panel.
- the width b of the first upper sub-display area 221a is greater than the width d of the second left sub-display area 222a, and the length of the first upper sub-display area 221a a is smaller than the length c of the second left sub-display area 222a, and the difference between the area of the first upper sub-display area and the area of the second left sub-display area is smaller than or equal to the preset value, that is, considering the plane projection of the display device If it is designed as a rectangle, the length of the second left sub-display area can be made larger than the length of the first upper sub-display area, but the width of the first upper sub-display area The difference between the areas of the upper sub-display area and the second left sub-display area is less than or equal to a preset value, so as to avoid the stress concentration of the display panel resulting in breakage, and at the same time, the design shape of the display panel meets the requirements.
- the width of the first upper sub-display area may be smaller than the width of the second left sub-display area, the length of the first upper sub-display area is greater than the length of the second left sub-display area, and the first upper sub-display area The difference between the area of the display area and the area of the second left sub-display area is less than or equal to the preset value.
- the display panel whose terminal area is set in the second left sub-display area or the second right sub-display area is far away from the main display area, so that The length of the first upper sub-display area is greater than the length of the second left sub-display area, and at the same time, the width of the first upper sub-display area is smaller than the width of the second left sub-display area, so that the area of the first upper sub-display area is the same as that of the second left sub-display area.
- the area of the left sub-display area is similar or even equal, so as to prevent the display panel from being broken due to stress concentration, and at the same time, the design shape of the display panel meets the requirements.
- the width of the first upper sub-display area is equal to the width of the second left sub-display area
- the length of the first upper sub-display area is equal to the length of the second left sub-display area , that is, the areas of the four bonding areas located on the sides of the display panel are equal, and the lengths and widths are set to be the same, so that the display panels of the four bonding areas located on the sides are subjected to equal stress, and each bonding area is The stress on the display panel is balanced, so as to avoid the stress concentration of the display panel resulting in breakage.
- the shorter side of the rectangle is used as the width
- the longer side of the rectangle is used as the length.
- a>b, c>d in FIG. a and c are used as lengths.
- the rectangle is a square, the length and width of the rectangle can be arbitrarily defined.
- the main display area 21 includes a first side in contact with the first sub-display area 221 in the first direction 241 and a first side in the second direction 242 that is in contact with the first sub-display area 221
- the second side contacted by the second sub-display area 222, the first side and the second side intersect to form a corner, and the shape of the corner is a straight angle (the straight angle here refers to FIG. 4
- the shown main display area 21 is at a corner, forming a corner formed by a straight line, such as a right angle, an acute angle, an obtuse angle, etc.).
- the difference between the area of the first sub-display area in the first direction and the second direction and the area of the second sub-display area is less than or equal to a preset value to avoid displaying
- the concentrated force on one side of the panel causes the display panel to break, thereby improving the yield of the display panel.
- the shapes of the first sub-display area 221 and the second sub-display area 222 are trapezoid-like (here, the trapezoid-like shape refers to the first sub-display shown in FIG. 4 .
- the area 221 and the second auxiliary display area 222 are formed by straight lines and arcs of different lengths, for example, the upper and lower bottoms in FIG. 221 and two sides of the second sub-display area 222 are arc-shaped, and the areas of the first and second sub-display areas 221 and 222 are equal.
- the area of the first sub-display area and the second sub-display area are equal, so that the force-bearing area of the first sub-display area and the second sub-display area are equal.
- the force-bearing area of the display area is the same, so that the force of the first sub-display area and the second sub-display area is uniform, so as to avoid the display panel from being broken due to uneven force on the display panel; when the display panel is bent to form a four-curved surface, the Taking the intersection of the first side and the second side as a vertex, the first sub-display area and the second sub-display area are bent toward the back of the display panel to obtain a four-curved display panel.
- the width of the first sub-display area along the first direction is smaller than the width of the second sub-display area along the second direction.
- the width of the first sub-display area can be made smaller than the width of the second sub-display area, and the length of the first sub-display area is greater than that of the second sub-display area. length.
- the thickness of the display panel located in the first sub-display area is equal to the thickness of the display panel located in the second sub-display area.
- the thickness of the display panel in the first sub-display area can also be made consistent with the thickness of the display panel in the second sub-display area, so that the display panel in the first sub-display area and the second sub-display area are the same.
- the internal stress of the display panel in the sub-display area is consistent, so as to prevent the display panel from breaking due to uneven stress in different sub-display areas of the display panel.
- the bending angle of the first sub-display area is in the range of 45 degrees to 90 degrees
- the bending angle of the display panel in the second sub-display area is in the range of 45 degrees to 90 degrees
- the bending angle of the display panel is limited to 45 degrees to 90 degrees, so that the bending stress of the display panel is not too large, and cracks or fractures of the display panel are avoided due to the large stress of the display panel.
- the curvature of the display panel located in the first sub-display area is the same as the curvature of the display panel located in the second sub-display area.
- the curvature of the display panel in the first sub-display area and the display panel in the second sub-display area are the same, so that when the display panel is attached to the cover, the display in the first sub-display area
- the stress on the panel and the display panel in the second sub-display area is similar or even equal, so that the stress on the display panel in the first sub-display area and the second sub-display area is uniform, so as to avoid the stress concentration on one side of the display panel.
- the display panel is broken, thereby improving the yield of the display device.
- the display panel includes a substrate, a driving circuit layer, a light-emitting functional layer, an encapsulation layer, and a polarizer
- the polarizer includes a first polarizer disposed in the first sub-display area part and the second polarizer part disposed in the second secondary display area, the difference between the area of the first polarizer part and the area of the second polarizer part is less than or equal to a preset value. That is, when setting the polarizer, the size of the polarizer is the same as that of the display panel, so that the stress on the polarizer is uniform, and the size of the polarizer and the other film layers of the display panel are the same. At the same time, the other film layers of the display panel and the polarizer are subjected to the same stress, so as to avoid the stress concentration of the display panel and the polarizer resulting in breakage, thereby improving the yield rate of the display panel.
- the curvature of the first polarizer portion located in the first sub-display area and the second polarizer portion disposed in the second sub-display area are the same. If the curvatures of the polarizers in each sub-display area are the same, the polarizers exert the same force on each film layer of the display panel, so that each area of the display panel is uniformly stressed, and the display panel is prevented from being broken due to uneven force on the display panel.
- the display panel further includes a backplane, the backplane is disposed on a side of the substrate away from the driving circuit layer, and the backplane includes a backplane disposed in the first sub-display area
- the first backplane part and the second backplane part arranged in the second secondary display area, the difference between the area of the first backplane part and the area of the second backplane part is less than or equal to the preset value.
- the backplane is attached to the substrate, the dimensions of the backplane and other film layers of the display panel are the same, so that during the lamination process of the substrate and the backplane of the display panel, the first sub-display area and the second The stress on the two sub-display areas is similar or even the same. Meanwhile, the parts of the backplane in the first sub-display area and the second sub-display area are subjected to similar or even stress, thereby preventing the display panel from breaking and improving the yield of the display device.
- the curvature of the first back plate portion disposed in the first sub-display area and the second back plate portion disposed in the second sub-display area is the same.
- the backplane exerts the same force on each film layer of the display panel, so that each area of the display panel is uniformly stressed, and the display panel is prevented from being broken due to uneven force on the display panel.
- the display panel further includes an optical adhesive
- the optical adhesive is disposed in a direction in which the polarizer is away from the back plate
- the optical adhesive includes an optical adhesive disposed in the first sub-display area.
- the first optical glue part and the second optical glue part disposed in the second secondary display area, the difference between the area of the first optical glue part and the area of the second optical glue part is less than or equal to the preset value .
- the optical glue can be designed accordingly, so that the size of the optical glue and the other film layers of the display panel are the same, so that the cover plate and the other film layers of the display panel can have the same size.
- the stress on the display panels in the first sub-display area and the second sub-display area is similar or even the same, and the stress on the optical adhesive is uniform, thereby preventing the display panel from breaking.
- the curvature of the first optical adhesive portion disposed in the first sub-display area and the second optical adhesive portion disposed in the second sub-display area are the same.
- the optical adhesive exerts the same force on each film layer of the display panel, so that each area of the display panel is uniformly stressed, and the display panel is prevented from being broken due to uneven force on the display panel.
- the display panel further includes an optical adhesive
- the optical adhesive is disposed in a direction in which the polarizer is away from the back plate
- the optical adhesive includes an optical adhesive disposed in the first sub-display area.
- the difference between the area of the first optical glue part and the area of the second optical glue part is greater than a preset value.
- the optical adhesive is a flexible material, when the optical adhesive is used to bond the cover plate and other film layers of the display panel, the optical adhesive will not affect the stress on the display panel or the optical adhesive has little influence on the stress on the display panel.
- the size of the optical glue it is not necessary to design the size of the optical glue to be the same size as other film layers of the display panel, and set the optical glue to be larger than the other film layers of the display panel, so that the optical glue can better bond the cover. board and display panel, to avoid the small area of optical glue, which cannot be completely and well bonded to the cover plate and the display panel.
- the display panel further includes a cover plate 35 , the cover plate 35 is disposed on the side of the polarizer away from the encapsulation layer, and the surface area of the cover plate 35 is larger than the surface area of the polarizer.
- an embodiment of the present application provides a display device, and the display device includes the display panel described in any one of the foregoing embodiments.
- an embodiment of the present application provides a display device, and the display device includes:
- the display panel 20 includes a main display area 21 , a secondary display area 22 and a terminal area 23 , the secondary display area 22 is arranged adjacent to the periphery of the main display area 21 , and the terminal area 23 is arranged in the secondary display area 22 away from all One side of the main display area 21, wherein the auxiliary display area 22 includes a first auxiliary display area 221 and a second auxiliary display area 221 adjacent to the main display area 21 in the first direction 241 and the second direction 242 respectively.
- An embodiment of the present application provides a display device, in which the areas of the first sub-display area and the second sub-display area in two directions of the display panel are set to be less than or equal to a preset value, so that the first sub-display area is The difference between the force-bearing area and the force-bearing area of the second sub-display area is less than or equal to the preset value, so that the force-bearing area of the first sub-display area and the second sub-display area is uniform, and the force concentration on one side of the display panel is avoided.
- the display panel is broken, which improves the yield of the display panel.
- the size of the back plate 34 , the light-emitting functional layer 33 , and the polarizer 32 in the display panel are the same, and the polarizer
- the cross-sectional area of 32 is larger than the cross-sectional area of the optical adhesive 31 .
- the display panel 20 is correspondingly bent to form a four-curved surface. In the present application, the area of each sub-display area is the same, so that the Make the force in each area uniform.
- the area of the terminal area does not need to be specially designed in the embodiment of the present application, but because the area of the secondary display area is limited by Change, when the area of the terminal area needs to be changed to adapt to the design structure or design space of the display panel, the area of the terminal area can be correspondingly improved.
- the embodiment of the present application is not limited to this.
- the terminal area is designed in a way that can be designed according to the sub-display area of the present application, so that the stress on each area of the display panel is uniform, so as to prevent the display panel from breaking due to uniform stress.
- the main display area includes a first side edge in contact with the first sub-display area in a first direction and a second sub-display area in a second direction
- the second side edge contacted by the region, the first side edge and the second side edge intersect to form a corner, and the shape of the corner is an arc angle.
- the shapes of the first sub-display area and the second sub-display area are rectangles, and the first sub-display area and the second sub-display area are rectangular in shape. areas are equal.
- the length of the first sub-display area is smaller than the length of the second sub-display area, and the width of the first sub-display area is larger than that of the second sub-display area width.
- the main display area includes a first side edge in contact with the first sub-display area in a first direction and a second sub-display area in a second direction
- the second side edge of the region contacts, the intersection of the first side edge and the second side edge forms a corner, and the shape of the corner is a straight corner.
- the shapes of the first sub-display area and the second sub-display area are trapezoid-like, and two sides of the first sub-display area and the second sub-display area are Arc shape, the areas of the first sub-display area and the second sub-display area are equal.
- the width of the first sub-display region along the first direction is smaller than the width of the second sub-display region along the second direction.
- the thickness of the display panel located in the first sub-display area is equal to the thickness of the display panel located in the second sub-display area.
- the range of the bending angle of the display panel of the first sub-display area is 45 degrees to 90 degrees
- the range of the bending angle of the display panel of the second sub-display area is 45 degrees to 90 degrees
- the curvature of the display panel located in the first sub-display area is the same as the curvature of the display panel located in the second sub-display area.
- the present application provides a display panel and a display device.
- the display panel includes a main display area, a sub-display area and a terminal area.
- the sub-display area is disposed adjacent to the periphery of the main display area, and the terminal area is disposed on the side of the sub-display area away from the main display area.
- the auxiliary display area includes a first auxiliary display area and a second auxiliary display area adjacent to the main display area in the first direction and the second direction respectively, the first direction is different from the second direction, the first auxiliary display area
- the difference between the area of and the area of the second sub-display area is less than or equal to the preset value.
- the first sub-display area and the second sub-display area are affected by The difference of the force area is less than or equal to the preset value, so that the force of the first sub-display area and the second sub-display area is uniform, avoiding the force concentration on one side of the display panel causing the display panel to break, and improving the display panel. yield rate.
- a display panel and a display device provided by the embodiments of the present application have been introduced in detail above.
- the principles and implementations of the present application are described in this article by using specific examples. The descriptions of the above embodiments are only used to help understand the present application.
- Those of ordinary skill in the art should understand that: they can still modify the technical solutions recorded in the foregoing embodiments, or perform equivalent replacements to some of the technical features; and these modifications or replacements, and The essence of the corresponding technical solutions is not deviated from the scope of the technical solutions of the embodiments of the present application.
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Abstract
一种显示面板和显示装置，显示面板通过将显示面板的两个方向的第一副显示区（221）和第二副显示区（222）的面积的差值设置为小于或者等于预设值，使第一副显示区（221）和第二副显示区（222）的受力面积的差值小于或者等于预设值，第一副显示区（221）和第二副显示区（222）的受力均匀，避免显示面板的某一侧边受力集中导致显示面板出现断裂。
Description
本申请涉及显示技术领域，尤其是涉及一种显示面板和显示装置。
现有显示器件中，为了提高显示器件的屏占比实现全面屏，会对显示器件进行相应的设计，在全面屏显示器件的发展过程中，现有显示器件中会设计侧边四面显示的显示器件，即使得显示器件的四个侧边均能显示，但在侧边显示的显示器件中，会存在显示面板的各个侧边的受到的应力不均，导致显示面板的某一侧边中容易出现断裂，在显示器件的信赖性测试时会出现黑点或者暗线，导致显示面板无法正常使用。
所以，现有存在侧边显示的显示器件存在各个侧边受到的应力不均，导致显示器件出现断裂的技术问题。
本申请实施例提供一种显示面板和显示装置，用以解决现有存在侧边显示的显示器件存在各个侧边受到的应力不均，导致显示器件出现断裂的技术问题。
为解决上述问题，本申请提供的技术方案如下：
本申请实施例提供一种显示面板，该显示面板包括：
主显示区；
副显示区，临近所述主显示区周边设置；
端子区，设置于所述副显示区远离所述主显示区的一侧；
其中，所述副显示区包括分别在第一方向和第二方向上与所述主显示区相邻的第一副显示区和第二副显示区，所述第一方向与所述第二方向不同，所述第一副显示区的面积与所述第二副显示区的面积的差值小于或者等于预设值。
在一种实施例中，所述主显示区包括在第一方向上与所述第一副显示区接触的第一侧边和在第二方向上与所述第二副显示区接触的第二侧边，所述第一侧边与所述第二侧边相交形成有拐角，所述拐角的形状为弧线角。
在一种实施例中，在平面投影上，所述第一副显示区和第二副显示区的形状为矩形，所述第一副显示区和所述第二副显示区的面积相等。
在一种实施例中，所述第一副显示区的长度小于所述第二副显示区的长度，且所述第一副显示区的宽度大于所述第二副显示区的宽度。
在一种实施例中，所述主显示区包括在第一方向上与所述第一副显示区接触的第一侧边和在第二方向上与所述第二副显示区接触的第二侧边，所述第一侧边与所述第二侧边相交形成有拐角，所述拐角的形状为直线角。
在一种实施例中，所述第一副显示区和第二副显示区的形状为类梯形，所述第一副显示区和第二副显示区的两个侧边为弧形，所述第一副显示区和第二副显示区的面积相等。
在一种实施例中，所述第一副显示区沿第一方向上的宽度小于所述第二副显示区沿第二方向上的宽度。
在一种实施例中，在垂直投影方向，位于所述第一副显示区的显示面板的厚度等于位于所述第二副显示区的显示面板的厚度。
在一种实施例中，所述第一副显示区的显示面板的弯曲角度的范围为45度至90度，所述第二副显示区的显示面板的弯曲角度的范围为45度至90度。
在一种实施例中，位于所述第一副显示区的显示面板的曲率与位于所述第二副显示区的显示面板的曲率相同。
在一种实施例中，所述显示面板包括：
衬底；
驱动电路层，设置于所述衬底一侧；
发光功能层，设置于所述驱动电路层远离所述衬底的一侧；
封装层，设置于所述发光功能层远离所述驱动电路层的一侧；
偏光片，设置于所述封装层远离所述发光功能层的一侧；
其中，所述偏光片包括设置于所述第一副显示区的第一偏光片部分和设置于所述第二副显示区的第二偏光片部分，所述第一偏光片部分的面积与所述第二偏光片部分的面积的差值小于或者等于所述预设值。
在一种实施例中，所述显示面板还包括背板，所述背板设置于所述衬底远离所述驱动电路层的一侧，所述背板包括设置于所述第一副显示区的第一背板部分和设置于所述第二副显示区的第二背板部分，所述第一背板部分的面积与所述第二背板部分的面积的差值小于或者等于所述预设值。
在一种实施例中，所述显示面板还包括盖板，所述盖板设置于所述偏光片远离所述封装层的一侧，所述盖板的表面积大于所述偏光片的表面积。
同时，本申请实施例提供一种显示装置，该显示装置包括：
显示面板，包括主显示区、副显示区和端子区，所述副显示区临近所述主显示区周边设置，所述端子区设置于所述副显示区远离所述主显示区的一侧，其中，所述副显示区包括分别在第一方向和第二方向上与所述主显示区相邻的第一副显示区和第二副显示区，所述第一方向与所述第二方向不同，所述第一副显示区的面积与所述第二副显示区的面积的差值小于或者等于预设值。
在一种实施例中，所述主显示区包括在第一方向上与所述第一副显示区接触的第一侧边和在第二方向上与所述第二副显示区接触的第二侧边，所述第一侧边与所述第二侧边相交形成有拐角，所述拐角的形状为弧线角。
在一种实施例中，在平面投影上，所述第一副显示区和第二副显示区的形状为矩形，所述第一副显示区和所述第二副显示区的面积相等。
在一种实施例中，所述第一副显示区的长度小于所述第二副显示区的长度，且所述第一副显示区的宽度大于所述第二副显示区的宽度。
在一种实施例中，所述主显示区包括在第一方向上与所述第一副显示区接触的第一侧边和在第二方向上与所述第二副显示区接触的第二侧边，所述第一侧边与所述第二侧边相交形成有拐角，所述拐角的形状为直线角。
在一种实施例中，所述第一副显示区和第二副显示区的形状为类梯形，所述第一副显示区和第二副显示区的两个侧边为弧形，所述第一副显示区和第二副显示区的面积相等。
在一种实施例中，所述第一副显示区沿第一方向上的宽度小于所述第二副显示区沿第二方向上的宽度。
本申请提供一种显示面板和显示装置，该显示面板包括主显示区、副显示区和端子区，副显示区临近主显示区周边设置，端子区设置于副显示区远离主显示区的一侧，其中，副显示区包括分别在第一方向和第二方向上与主显示区相邻的第一副显示区和第二副显示区，第一方向与第二方向不同，第一副显示区的面积与第二副显示区的面积的差值小于或者等于预设值。本申请通过将显示面板的两个方向的第一副显示区和第二副显示区的面积的差值设置为小于或者等于预设值，使第一副显示区和第二副显示区的受力面积的差值小于或者等于预设值，从而使得第一副显示区和第二副显示区的受力均匀，避免显示面板的某一侧边受力集中导致显示面板出现断裂，提高显示面板的良率。
下面结合附图，通过对本申请的具体实施方式详细描述，将使本申请的技术方案及其它有益效果显而易见。
图1为现有显示装置的结构示意图。
图2为现有显示装置中显示面板断裂的示意图。
图3为本申请实施例提供的显示面板的第一种示意图。
图4为本申请实施例提供的显示面板的第二种示意图。
图5为本申请实施例提供的显示装置的第一种示意图。
图6为本申请实施例提供的显示装置的第二种示意图。
下面将结合本申请实施例中的附图，对本申请实施例中的技术方案进行清楚、完整地描述。显然，所描述的实施例仅仅是本申请一部分实施例，而不是全部的实施例。基于本申请中的实施例，本领域技术人员在没有作出创造性劳动前提下所获得的所有其他实施例，都属于本申请保护的范围。
本申请实施例针对现有存在侧边显示的显示器件存在各个侧边受到的应力不均，导致显示器件出现断裂的技术问题，本申请用以解决该技术问题。
如图1所示，现有显示器件为了提高屏占比，提高显示面积，会将显示面板向背面弯折，使得显示面板在四个侧面形成弧面，从而使得显示面板的正面和显示面板的四个曲面均能显示，从而提高显示面板的显示面积和屏占比，即图1中的上侧曲面显示区域11、右侧曲面显示区域12、下侧曲面显示区域13、左侧曲面显示区域14、正面平面显示区域15均能显示，但在显示面板的信赖性测试过程中，会存在显示面板的各侧边的受力不均匀导致显示面板的侧边出现断裂，如图2所示，显示面板包括电子元件设置区111，边框112，断裂线113，即在显示面板的左侧曲面显示区域14内会出现断裂线113，导致显示面板在显示时出现暗线，同时，在信赖性测试时还会出现黑点等问题，导致显示面板无法正常显示，显示面板出现不良，即现有存在侧边显示的显示器件存在各个侧边受到的应力不均，导致显示器件出现断裂的技术问题。
如图3所示，本申请实施例提供一种显示面板，该显示面板包括：
主显示区21；
副显示区22，临近所述主显示区21周边设置；
端子区23，设置于所述副显示区22远离所述主显示区21的一侧；
其中，所述副显示区22包括分别在第一方向241上和第二方向242上与所述主显示区21相邻的第一副显示区221与所述第二副显示区222，所述第一方向241与所述第二方向242不同，所述第一副显示区221的面积a*b与所述第二副显示区222的面积的差值c*d小于或者等于预设值k，即（a*b-c*d）<=k。
本申请实施例提供一种显示面板，该显示面板通过将显示面板的两个方向的第一副显示区和第二副显示区的面积的差值设置为小于或者等于预设值，使第一副显示区和第二副显示区的受力面积的差值小于或者等于预设值，从而使得第一副显示区和第二副显示区的受力均匀，避免显示面板的某一侧边受力集中导致显示面板出现断裂，提高显示面板的良率。
需要说明的是，在本申请实施例中，预设值根据使得显示面板的各个贴合区所受应力均匀的基准进行设定，例如在第一副显示区与第二副显示区的面积的差值小于1平方毫米时，第一副显示区与第二副显示区的应力均匀，或者第一副显示区和第二副显示区的某个区域的应力相对集中不会导致显示面板出现断裂，则预设值为1平方毫米。
需要说明的是，考虑到第一副显示区的面积与第二副显示区的面积的差值存在小于0的情况，则预设值相应为负值，但为了更清楚的描述第一副显示区与第二副显示区的面积的差值，本申请限定第一副显示区与第二副显示区的面积的差值为正值，同时，预设值大于或者等于0。
需要说明的是，第一副显示区的面积和第二副显示区的面积指在主显示区对应的显示界面上的投影的面积，即第一副显示区和第二副显示区的面积指平面面积，例如在图3所示的显示面板的平面上的投影的面积。
在一种实施例中，所述第一方向和第二方向为相互垂直的两个方向，在显示面板的设计过程中，显示面板设计为矩形或者类矩形，即第一方向和第二方向为垂直的两个方向，使得位于相互垂直的两个方向上的第一副显示区和第二副显示区的面积相等，避免显示面板的侧边受力不均导致显示面板断裂。
在一种实施例中，如图3所示，所述主显示区21包括平面显示区211、拐角显示区213和侧面显示区212，其中，在显示面板弯折形成四曲面时，侧面显示区212会进行弯曲。
在一种实施例中，如图3所示，所述主显示区21包括在第一方向241上与所述第一副显示区221接触的第一侧边和在第二方向242上与所述第二副显示区222接触的第二侧边，所述第一侧边与所述第二侧边相交形成有拐角，所述拐角的形状为弧线角（这里的弧线角是指如图3所示主显示区21在拐角处的形状是由弧线构成的，例如圆弧、椭圆弧等）。针对采用弧线角形成四曲面的显示面板，通过使第一方向和第二方向的第一副显示区的面积与所述第二副显示区的面积的差值小于或者等于预设值，避免显示面板的某一侧边受力集中导致显示面板出现断裂，提高显示面板的良率。
在本申请实施例中，弧线角可以根据需求设定弧线的形状和长度。
在一种实施例中，如图3所示，所述第一副显示区和第二副显示区的形状为矩形，所述第一副显示区221的面积a*b和所述第二副显示区222的面积c*d相等，即a*b=c*d。对于通过圆角（具体为R角）实现显示面板的四曲面设计时，通过使得形成显示面板的四个曲面的第一副显示区和第二副显示区的面积相等，使得第一副显示区的受力面积和第二副显示区的受力面积相同，从而使得第一副显示区和第二副显示区的受力均匀，避免显示面板受力不均导致显示面板出现断裂。
在一种实施例中，如图3所示，所述第一副显示区221包括相对设置的第一上副显示区221a和第一下副显示区221b，所述第一上副显示区221a和所述第一下副显示区221b的面积相等，考虑到显示面板的第一副显示区包括位于显示面板上侧的第一上副显示区和位于显示面板下侧的第一下副显示区的，可以使得第一上副显示区和第一下副显示区的面积相等，从而使得第一上副显示区与一个第二副显示区的面积的差值小于预设值，第一下副显示区和一个第二副显示区的面积的差值小于预设值，从而使得至少一个第二副显示区与第一上副显示区和第一下副显示区所受的应力均衡，从而避免了至少一个第二副显示区、第一上副显示区和第一下副显示区的显示面板出现断裂，从而提高显示面板的良率。
在一种实施例中，如图3所示，所述第二副显示区222包括相对设置的第二左副显示区222a和第二右副显示区222b，所述第二左副显示区222a与所述第二右副显示区222b的面积相等，考虑到显示面板的第二副显示区包括第二左副显示区和第二右副显示区，可以使得第二左副显示区和第二右副显示区的面积相等，从而使得第二左副显示区与至少一个第一副显示区的面积的差值小于预设值，第二右副显示区与至少一个第一副显示区的面积的差值小于预设值，从而使得第二左副显示区、第二右副显示区与至少一个第一副显示区所受应力均匀，从而避免的至少一个第一副显示区、第二左副显示区、第二右副显示区的显示面板出现断裂，从而提高了显示面板的良率。
需要说明的是，在上述实施例中，第一上副显示区表示位于显示面板上侧的区域，但在本申请实施例中，不限定第一上副显示区位于显示面板上侧，第一上副显示区也可以是位于主显示区和端子区之间的区域，同理，第一下副显示区、第二左副显示区和第二右副显示区所表示的区域也不限制为显示面板的下侧区域、左侧区域和右侧区域。在一种实施例中，所述第一副显示区包括相对设置的第一上副显示区和第一下副显示区，所述第二副显示区包括相对设置的第二左副显示区和第二右副显示区，所述第一上副显示区、第一下副显示区、第二左副显示区和第二右副显示区的面积相等，考虑到各个副显示区所受应力的均匀性，可以使得位于显示面板的四侧的副显示区的面积均相等，从而使得各个副显示区的显示面板所受应力相等，各个副显示区的显示面板受力均匀，从而避免显示面板出现受应力较为集中导致断裂的问题，提高了显示面板的良率。
在一种实施例中，第一上副显示区设置于主显示区远离端子区的一侧，所述第一上副显示区与第二左副显示区的面积的差值小于或者等于预设值，使得第一上副显示区和第二左副显示区的面积的差值小于或者等于预设值，则第一上副显示区和第二左副显示区的显示面板所受的应力相近甚至相等，从而使得第一上副显示区和第二左副显示区的显示面板所受应力均匀，避免第一上副显示区和第二左副显示区的显示面板由于应力集中出现断裂。
在一种实施例中，第一上副显示区设置于主显示区远离端子区的一侧，第一上副显示区与第二右副显示区的面积的差值小于或者等于预设值，使得第一上副显示区和第二右副显示区的面积的差值小于或者等于预设值，从而使得第一上副显示区与第二右副显示区的显示面板所受的应力相近甚至相等，从而使得第一上副显示区和第二右副显示区的显示面板所受应力均匀，从而避免第一上副显示区和第二右副显示区的显示面板由于应力集中出现断裂。
在一种实施例中，第一下副显示区设置于主显示区与端子区之间，第一下副显示区与第二左副显示区的面积的差值小于或者等于预设值，通过使得第一下副显示区与第二左副显示区的面积的差值小于或者等于预设值，从而使得第一下副显示区与第二左副显示区的显示面板所受的应力相近甚至相等，从而使得第一下副显示区与第二左副显示区的显示面板所受应力均匀，从而避免第一下副显示区和第二左副显示区的显示面板出现应力集中导致显示面板断裂。
在一种实施例中，第一下副显示区设置于主显示区与端子区之间，第一下副显示区与第二右副显示区的面积的差值小于或者等于预设值，通过使得第一下副显示区和第二右副显示区的面积的差值小于或者等于预设值，使得第一下副显示区与第二右副显示区的显示面板所受应力均匀，从而避免第一下副显示区和第二右副显示区的显示面板出现应力集中导致显示面板断裂。
在一种实施例中，所述第一上副显示区、所述第一下副显示区、所述第二左副显示区、所述第二右副显示区的形状包括矩形。
在一种实施例中，所述第一副显示区的长度小于所述第二副显示区的长度，且所述第一副显示区的宽度大于所述第二副显示区的宽度，显示面板的设计形状为矩形，则显示面板的相邻两边的长度不相等，即第一副显示区的长度小于第二副显示区的长度，相应的控制第一副显示区的宽度大于第二副显示区的宽度，使得第一副显示区的面积与第二副显示区的面积相等，避免显示面板的侧边受力不均导致显示面板断裂。
在一种实施例中，如图3所示，所述第一上副显示区221a的宽度b大于所述第二左副显示区222a的宽度d，所述第一上副显示区221a的长度a小于所述第二左副显示区222a的长度c，第一上副显示区的面积与第二左副显示区的面积的差值小于或者等于预设值，即考虑到显示器件的平面投影会设计为矩形，则可以使得第二左副显示区的长度大于第一上副显示区的长度，但是使得第一上副显示区的宽度大于第二左副显示区的宽度，从而使得第一上副显示区与第二左副显示区的面积的差值小于或者等于预设值，从而避免显示面板出现应力集中导致断裂，同时，显示面板的设计形状符合需求。
在一种实施例中，还可以使得第一上副显示区的宽度小于第二左副显示区的宽度，第一上副显示区的长度大于第二左副显示区的长度，第一上副显示区的面积与第二左副显示区的面积的差值小于或者等于预设值，对于端子区设置于第二左副显示区或者第二右副显示区远离主显示区的显示面板，使得第一上副显示区的长度大于第二左副显示区的长度，同时使得第一上副显示区的宽度小于第二左副显示区的宽度，使得第一上副显示区的面积与第二左副显示区的面积相近甚至相等，从而避免显示面板出现应力集中导致断裂，同时，显示面板的设计形状符合需求。
在一种实施例中，所述第一上副显示区的宽度等于所述第二左副显示区的宽度，所述第一上副显示区的长度等于所述第二左副显示区的长度，即使得位于显示面板的侧边的四个贴合区的面积相等，且长度和宽度设置为相同，从而使得位于侧边的四个贴合区的显示面板所受应力相等，各贴合区的显示面板所受应力均衡，从而避免显示面板出现应力集中导致断裂。
需要说明的是，在本申请实施例中，以矩形的较短边作为宽，以矩形的较长边作为长，例如图3中的a>b，c>d，则将b和d作为宽，a和c作为长，在矩形为正方形时，则可以任意定义矩形的长和宽。
在一种实施例中，如图4所示，所述主显示区21包括在第一方向241上与所述第一副显示区221接触的第一侧边和在第二方向242上与所述第二副显示区222接触的第二侧边，所述第一侧边与所述第二侧边相交形成有拐角，所述拐角的形状为直线角（这里的直线角是指如图4所示的主显示区21在拐角处，形成以直线构成的拐角，例如：直角、锐角、钝角等）。针对采用直线角形成四曲面的显示面板，通过使第一方向和第二方向的第一副显示区的面积与所述第二副显示区的面积的差值小于或者等于预设值，避免显示面板的某一侧边受力集中导致显示面板出现断裂，提高显示面板的良率。
在一种实施例中，如图4所示，所述第一副显示区221和第二副显示区222的形状为类梯形（这里的类梯形是指如图4所示的第一副显示区221和第二副显示区222形成由不同长度的直线和弧线形成的形状，例如图4中的上下底为直线且平行，侧边为弧线的形状），所述第一副显示区221和第二副显示区222的两个侧边为弧形，所述第一副显示区221和第二副显示区222的面积相等。对于通过两个副显示区形成弧形实现显示面板的四曲设计时，通过使得第一副显示区和第二副显示区的面积相等，使得第一副显示区的受力面积和第二副显示区的受力面积相同，从而使得第一副显示区和第二副显示区的受力均匀，避免显示面板受力不均导致显示面板出现断裂；在显示面板进行弯曲形成四曲面时，通过将第一副显示区和第二副显示区以第一侧边和第二侧边的相交点作为顶点，向显示面板的背面进行弯曲得到四曲面显示面板。
在一种实施例中，所述第一副显示区沿第一方向上的宽度小于所述第二副显示区沿第二方向上的宽度。在使第一副显示区和第二副显示区的面积相等时，可以使第一副显示区的宽度小于第二副显示区的宽度，第一副显示区的长度大于第二副显示区的长度。
在一种实施例中，在垂直投影方向，位于所述第一副显示区的显示面板的厚度等于位于所述第二副显示区的显示面板的厚度，在通过控制副显示区的面积使得显示面板的各副显示区的实力均匀时，还可以使得第一副显示区的显示面板的厚度与第二副显示区的显示面板的厚度一致，从而使得第一副显示区的显示面板与第二副显示区的显示面板的内应力一致，避免显示面板的不同副显示区的应力不均导致显示面板断裂。
在一种实施例中，所述第一副显示区的弯曲角度的范围为45度至90度，所述第二副显示区的显示面板的弯曲角度的范围为45度至90度；通过将显示面板的弯曲角度限定为45度至90度，使得显示面板的弯曲应力不会过大，避免显示面板的应力较大出现裂纹或者断裂。
在一种实施例中，位于所述第一副显示区的显示面板的曲率与位于所述第二副显示区的显示面板的曲率相同。在显示面板弯曲后，通过使得位于第一副显示区的显示面板和位于第二副显示区的显示面板的曲率相同，从而使得显示面板在与盖板贴合时，第一副显示区的显示面板和第二副显示区的显示面板受到的应力相近甚至相等，使第一副显示区和第二副显示区的显示面板受力均匀，从而避免显示面板的某一侧边的受力集中导致显示面板断裂，从而提高显示装置的良率。
在一种实施例中，所述显示面板包括衬底、驱动电路层，发光功能层、封装层和偏光片，其中，所述偏光片包括设置于所述第一副显示区的第一偏光片部分和设置于所述第二副显示区的第二偏光片部分，所述第一偏光片部分的面积与所述第二偏光片部分的面积的差值小于或者等于预设值。即在设置偏光片时，使得偏光片的尺寸与显示面板的尺寸相同，从而使得偏光片所受的应力均匀，且偏光片与显示面板其他膜层的尺寸相同，在盖板与显示面板进行贴合时，显示面板的其他膜层和偏光片所受应力相同，从而避免显示面板和偏光片出现应力集中导致断裂，从而提高显示面板的良率。
在一种实施例中，位于所述第一副显示区的第一偏光片部分和设置于所述第二副显示区的第二偏光片部分的曲率相同。使得各个副显示区的偏光片的曲率相同，则偏光片对显示面板的各个膜层的作用力相同，使得显示面板的各个区域受力均匀，避免显示面板受力不均导致显示面板断裂。
在一种实施例中，所述显示面板还包括背板，所述背板设置于所述衬底远离所述驱动电路层的一侧，所述背板包括设置于所述第一副显示区的第一背板部分和设置于所述第二副显示区的第二背板部分，所述第一背板部分的面积与所述第二背板部分的面积的差值小于或者等于预设值。在背板与衬底贴合时，使得背板与显示面板的其他膜层尺寸相同，从而使得在显示面板的衬底和背板的贴合过程中，显示面板的第一副显示区和第二副显示区所受应力相近甚至相同，同时，背板位于第一副显示区和第二副显示区的部分所受应力相近甚至相等，从而避免显示面板出现断裂，提高显示装置的良率。
在一种实施例中，设置于所述第一副显示区的第一背板部分和设置于所述第二副显示区的第二背板部分的曲率相同。通过使得各个副显示区的背板的曲率相同，则背板对显示面板的各个膜层的作用力相同，使得显示面板的各个区域受力均匀，避免显示面板受力不均导致显示面板断裂。
在一种实施例中，所述显示面板还包括光学胶，所述光学胶设置于所述偏光片远离所述背板的方向上，所述光学胶包括设置于所述第一副显示区的第一光学胶部分和设置于所述第二副显示区的第二光学胶部分，所述第一光学胶部分的面积与所述第二光学胶部分的面积的差值小于或者等于预设值。在显示面板的其他膜层通过光学胶与盖板贴合时，可以对光学胶进行相应的设计，使得光学胶与显示面板的其他膜层尺寸相同，从而在盖板与显示面板的其他膜层进行贴合时，第一副显示区与第二副显示区的显示面板所受应力相近甚至相同，且光学胶所受应力均匀，从而避免显示面板断裂。
在一种实施例中，设置于所述第一副显示区的第一光学胶部分和设置于所述第二副显示区的第二光学胶部分的曲率相同。通过使得各个副显示区的光学胶的曲率相同，则光学胶对显示面板的各个膜层的作用力相同，使得显示面板的各个区域受力均匀，避免显示面板受力不均导致显示面板断裂。
在一种实施例中，所述显示面板还包括光学胶，所述光学胶设置于所述偏光片远离所述背板的方向上，所述光学胶包括设置于所述第一副显示区的第一光学胶部分和设置于所述第二副显示区的第二光学胶部分，所述第一光学胶部分的面积与所述第二光学胶部分的面积的差值大于预设值。考虑到光学胶为柔性材料，在光学胶粘合盖板和显示面板的其他膜层，光学胶不会影响到显示面板所受应力或者光学胶对显示面板所受应力的影响较小，则在设计光学胶时，无需将光学胶的尺寸设计为与显示面板的其他膜层设置为尺寸相同，且将光学胶设置的大于显示面板的其他膜层尺寸，可以使得光学胶较好的粘合盖板和显示面板，避免光学胶的面积较小无法完整且较好的粘合盖板和显示面板。
在一种实施例中，如图6所示，所述显示面板还包括盖板35，所述盖板35设置于所述偏光片远离所述封装层的一侧，所述盖板35的表面积大于所述偏光片的表面积。
同时，本申请实施例提供一种显示装置，该显示装置包括上述实施例中任一所述的显示面板。
如图3、图5、图6所示，本申请实施例提供一种显示装置，该显示装置包括：
显示面板20，包括主显示区21、副显示区22和端子区23，所述副显示区22临近所述主显示区21周边设置，所述端子区23设置于所述副显示区22远离所述主显示区21的一侧，其中，所述副显示区22包括分别在第一方向241和第二方向242上与所述主显示区21相邻的第一副显示区221和第二副显示区222，所述第一方向241与所述第二方向242不同，所述第一副显示区221的面积a*b与所述第二副显示区222的面积c*d的差值小于或者等于预设值k，即（a*b-c*d）<=k。
本申请实施例提供一种显示装置，该显示装置中的显示面板的两个方向的第一副显示区和第二副显示区的面积设置为小于或者等于预设值，使第一副显示区和第二副显示区的受力面积的差值小于或者等于预设值，从而使得第一副显示区和第二副显示区的受力均匀，避免显示面板的某一侧边受力集中导致显示面板出现断裂，提高显示面板的良率。
如图6中的（a）所示，在显示面板的其他膜层与盖板40未贴合前，显示面板中的背板34、发光功能层33、偏光片32的尺寸相同，且偏光片32的截面面积大于光学胶31的截面面积。如图6中的（b）所示，在显示面板其他膜层与盖板40贴合后，显示面板20进行相应的弯曲形成四曲面，而本申请通过使得各个副显示区的面积相同，从而使得各个区域的受力均匀。
需要说明的是，在本申请实施例中，由于端子区与盖板不会贴合设置，因此，在本申请实施例不需要对端子区的面积进行特定设计，但由于副显示区的面积的改变，在需要改变端子区的面积以适应显示面板的设计结构或者设计空间时，可以相应的对端子区的面积进行相应的改进，本申请实施例不限于此，在存在端子区与盖板贴合设置的显示装置时，以可以根据本申请的副显示区的设计方式对端子区进行设计，以使得显示面板的各个区域所受应力均匀，从而避免显示面板出现应力均匀导致断裂。
在一种实施例中，在显示装置中，所述主显示区包括在第一方向上与所述第一副显示区接触的第一侧边和在第二方向上与所述第二副显示区接触的第二侧边，所述第一侧边与所述第二侧边相交形成有拐角，所述拐角的形状为弧线角。
在一种实施例中，在显示装置中，在平面投影上，所述第一副显示区和第二副显示区的形状为矩形，所述第一副显示区和所述第二副显示区的面积相等。
在一种实施例中，在显示装置中，所述第一副显示区的长度小于所述第二副显示区的长度，且所述第一副显示区的宽度大于所述第二副显示区的宽度。
在一种实施例中，在显示装置中，所述主显示区包括在第一方向上与所述第一副显示区接触的第一侧边和在第二方向上与所述第二副显示区接触的第二侧边，所述第一侧边与所述第二侧边相交形成有拐角，所述拐角的形状为直线角。
在一种实施例中，在显示装置中，所述第一副显示区和第二副显示区的形状为类梯形，所述第一副显示区和第二副显示区的两个侧边为弧形，所述第一副显示区和第二副显示区的面积相等。
在一种实施例中，在显示装置中，所述第一副显示区沿第一方向上的宽度小于所述第二副显示区沿第二方向上的宽度。
在一种实施例中，在显示装置中，在垂直投影方向，位于所述第一副显示区的显示面板的厚度等于位于所述第二副显示区的显示面板的厚度。
在一种实施例中，在显示装置中，所述第一副显示区的显示面板的弯曲角度的范围为45度至90度，所述第二副显示区的显示面板的弯曲角度的范围为45度至90度。
在一种实施例中，在显示装置中，位于所述第一副显示区的显示面板的曲率与位于所述第二副显示区的显示面板的曲率相同。
根据以上实施例可知：
本申请提供一种显示面板和显示装置，该显示面板包括主显示区、副显示区和端子区，副显示区临近主显示区周边设置，端子区设置于副显示区远离主显示区的一侧，其中，副显示区包括分别在第一方向和第二方向上与主显示区相邻的第一副显示区和第二副显示区，第一方向与第二方向不同，第一副显示区的面积与第二副显示区的面积的差值小于或者等于预设值。本申请通过将显示面板的两个方向的第一副显示区和第二副显示区的面积的差值设置为小于或者等于预设值，使第一副显示区和第二副显示区的受力面积的差值小于或者等于预设值，从而使得第一副显示区和第二副显示区的受力均匀，避免显示面板的某一侧边受力集中导致显示面板出现断裂，提高显示面板的良率。
在上述实施例中，对各个实施例的描述都各有侧重，某个实施例中没有详述的部分，可以参见其他实施例的相关描述。
以上对本申请实施例所提供的一种显示面板和显示装置进行了详细介绍，本文中应用了具体个例对本申请的原理及实施方式进行了阐述，以上实施例的说明只是用于帮助理解本申请的技术方案及其核心思想；本领域的普通技术人员应当理解：其依然可以对前述各实施例所记载的技术方案进行修改，或者对其中部分技术特征进行等同替换；而这些修改或者替换，并不使相应技术方案的本质脱离本申请各实施例的技术方案的范围。
Claims (20)
- 一种显示面板，其包括：主显示区；副显示区，临近所述主显示区周边设置；端子区，设置于所述副显示区远离所述主显示区的一侧；其中，所述副显示区包括分别在第一方向和第二方向上与所述主显示区相邻的第一副显示区和第二副显示区，所述第一方向与所述第二方向不同，所述第一副显示区的面积与所述第二副显示区的面积的差值小于或者等于预设值。
- 如权利要求1所述的显示面板，其中，所述主显示区包括在第一方向上与所述第一副显示区接触的第一侧边和在第二方向上与所述第二副显示区接触的第二侧边，所述第一侧边与所述第二侧边相交形成有拐角，所述拐角的形状为弧线角。
- 如权利要求2所述的显示面板，其中，在平面投影上，所述第一副显示区和第二副显示区的形状为矩形，所述第一副显示区和所述第二副显示区的面积相等。
- 如权利要求3所述的显示面板，其中，所述第一副显示区的长度小于所述第二副显示区的长度，且所述第一副显示区的宽度大于所述第二副显示区的宽度。
- 如权利要求1所述的显示面板，其中，所述主显示区包括在第一方向上与所述第一副显示区接触的第一侧边和在第二方向上与所述第二副显示区接触的第二侧边，所述第一侧边与所述第二侧边相交形成有拐角，所述拐角的形状为直线角。
- 如权利要求5所述的显示面板，其中，所述第一副显示区和第二副显示区的形状为类梯形，所述第一副显示区和第二副显示区的两个侧边为弧形，所述第一副显示区和第二副显示区的面积相等。
- 如权利要求6所述的显示面板，其中，所述第一副显示区沿第一方向上的宽度小于所述第二副显示区沿第二方向上的宽度。
- 如权利要求1所述的显示面板，其中，在垂直投影方向，位于所述第一副显示区的显示面板的厚度等于位于所述第二副显示区的显示面板的厚度。
- 如权利要求1所述的显示面板，其中，所述第一副显示区的显示面板的弯曲角度的范围为45度至90度，所述第二副显示区的显示面板的弯曲角度的范围为45度至90度。
- 如权利要求9所述的显示面板，其中，位于所述第一副显示区的显示面板的曲率与位于所述第二副显示区的显示面板的曲率相同。
- 如权利要求1所述的显示面板，其包括：衬底；驱动电路层，设置于所述衬底一侧；发光功能层，设置于所述驱动电路层远离所述衬底的一侧；封装层，设置于所述发光功能层远离所述驱动电路层的一侧；偏光片，设置于所述封装层远离所述发光功能层的一侧；其中，所述偏光片包括设置于所述第一副显示区的第一偏光片部分和设置于所述第二副显示区的第二偏光片部分，所述第一偏光片部分的面积与所述第二偏光片部分的面积的差值小于或者等于所述预设值。
- 如权利要求11所述的显示面板，其中，所述显示面板还包括背板，所述背板设置于所述衬底远离所述驱动电路层的一侧，所述背板包括设置于所述第一副显示区的第一背板部分和设置于所述第二副显示区的第二背板部分，所述第一背板部分的面积与所述第二背板部分的面积的差值小于或者等于所述预设值。
- 如权利要求12所述的显示面板，其中，所述显示面板还包括盖板，所述盖板设置于所述偏光片远离所述封装层的一侧，所述盖板的表面积大于所述偏光片的表面积。
- 一种显示装置，其包括：显示面板，包括主显示区、副显示区和端子区，所述副显示区临近所述主显示区周边设置，所述端子区设置于所述副显示区远离所述主显示区的一侧，其中，所述副显示区包括分别在第一方向和第二方向上与所述主显示区相邻的第一副显示区和第二副显示区，所述第一方向与所述第二方向不同，所述第一副显示区的面积与所述第二副显示区的面积的差值小于或者等于预设值。
- 如权利要求14所述的显示装置，其中，所述主显示区包括在第一方向上与所述第一副显示区接触的第一侧边和在第二方向上与所述第二副显示区接触的第二侧边，所述第一侧边与所述第二侧边相交形成有拐角，所述拐角的形状为弧线角。
- 如权利要求15所述的显示装置，其中，在平面投影上，所述第一副显示区和第二副显示区的形状为矩形，所述第一副显示区和所述第二副显示区的面积相等。
- 如权利要求16所述的显示装置，其中，所述第一副显示区的长度小于所述第二副显示区的长度，且所述第一副显示区的宽度大于所述第二副显示区的宽度。
- 如权利要求14所述的显示装置，其中，所述主显示区包括在第一方向上与所述第一副显示区接触的第一侧边和在第二方向上与所述第二副显示区接触的第二侧边，所述第一侧边与所述第二侧边相交形成有拐角，所述拐角的形状为直线角。
- 如权利要求18所述的显示装置，其中，所述第一副显示区和第二副显示区的形状为类梯形，所述第一副显示区和第二副显示区的两个侧边为弧形，所述第一副显示区和第二副显示区的面积相等。
- 如权利要求19所述的显示装置，其中，所述第一副显示区沿第一方向上的宽度小于所述第二副显示区沿第二方向上的宽度。
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| Publication number | Publication date |
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| CN113066366A (zh) | 2021-07-02 |
| CN113066366B (zh) | 2022-05-17 |
| US11864331B2 (en) | 2024-01-02 |
| US20230052602A1 (en) | 2023-02-16 |
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