CN112987415B - Liquid crystal display panel having a light shielding layer - Google Patents
Liquid crystal display panel having a light shielding layer Download PDFInfo
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- CN112987415B CN112987415B CN202110267743.5A CN202110267743A CN112987415B CN 112987415 B CN112987415 B CN 112987415B CN 202110267743 A CN202110267743 A CN 202110267743A CN 112987415 B CN112987415 B CN 112987415B
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- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/1333—Constructional arrangements; Manufacturing methods
- G02F1/1343—Electrodes
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- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/1333—Constructional arrangements; Manufacturing methods
- G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
- G02F1/133528—Polarisers
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G3/00—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
- G09G3/20—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters
- G09G3/34—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters by control of light from an independent source
- G09G3/36—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters by control of light from an independent source using liquid crystals
- G09G3/3607—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters by control of light from an independent source using liquid crystals for displaying colours or for displaying grey scales with a specific pixel layout, e.g. using sub-pixels
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- Crystallography & Structural Chemistry (AREA)
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- Optics & Photonics (AREA)
- Engineering & Computer Science (AREA)
- Computer Hardware Design (AREA)
- Theoretical Computer Science (AREA)
- Liquid Crystal (AREA)
Abstract
The invention provides a liquid crystal display panel, which comprises a central display area, a first display area and a second display area, wherein the first display area and the second display area are opposite to the two sides of the central display area, pixels in the first display area and the second display area are of 4-domain or 8-domain structures with different opening areas, the pixels in the central display area are of 4-domain or 8-domain structures with the same opening area, at least 1 main pixel domain in the pixels of the first display area and the second display area is larger than the pixel domain in the central display area, namely the main pixel domains of the first display area and the second display area have light intensity larger than the light intensity of the pixel domains of the central display area, and the brightness and the visual angle of the whole display panel are relatively uniform when the side of the liquid crystal display panel is seen, so that the experience effect of the side view of the display panel for viewing a screen is improved, and the purpose of improving the side view character bias of the liquid crystal panel is achieved.
Description
Technical Field
The invention relates to the technical field of liquid crystal display, in particular to a liquid crystal display panel.
Background
The liquid crystal display (Liquid Crystal Display, LCD) has many advantages such as thin body, power saving, no radiation, etc., and is widely used as follows: liquid crystal televisions, mobile phones, personal Digital Assistants (PDAs), digital cameras, computer screens, notebook computer screens, and the like are dominant in the field of flat panel displays.
The liquid crystal display panel is an important component of the liquid crystal display. There are various display technologies currently available, in which VA display technology is a generic term for all liquid crystal vertical alignment display technologies, and multi-domain vertical alignment technology belongs to wide viewing angle display technologies. VA display technology is classified into various types according to the difference of pixel structures and the difference of liquid crystal rotation modes. Because of the liquid crystal characteristics and regular pixel design problems of the LCD liquid crystal panel, color cast problems are generally existed, especially, VA liquid crystal is more prone to color cast due to the characteristics of the liquid crystal material, although the multi-domain design can be adopted at present, the space for improvement is limited (such as 4-domain or 8-domain design), and more serious color cast still exists when the LCD liquid crystal panel is viewed from a large viewing angle.
In summary, a new lcd panel is needed to solve the problem of serious color shift in the lcd panel of the prior art due to the liquid crystal material and the regular pixel structure.
Disclosure of Invention
The invention provides a liquid crystal display panel, which can solve the technical problem that the liquid crystal display panel in the prior art still has serious color cast when being seen from a side of a large visual angle due to a liquid crystal material and a regular pixel structure.
In order to solve the problems, the technical scheme provided by the invention is as follows:
the embodiment of the invention provides a liquid crystal display panel, which comprises a central display area, a first display area and a second display area, wherein the first display area and the second display area are opposite to the two sides of the central display area, and at least 1 main pixel domain of pixels of the first display area and the second display area is larger than the pixel domain of the central display area.
According to a preferred embodiment of the present invention, the first display area and the second display area are located at left and right sides of the central display area, respectively, and the first display area and the second display area are symmetrically disposed with respect to a longitudinal center line of the liquid crystal display panel.
According to a preferred embodiment of the present invention, the first display area and the second display area are respectively located at upper and lower sides of the central display area, and the first display area and the second display area are symmetrically disposed with respect to a lateral center line of the liquid crystal display panel.
According to a preferred embodiment of the present invention, the first display area and the second display area are located at left and right sides, upper and lower sides, respectively, of the center display area, and the first display area and the second display area are symmetrically disposed with respect to a lateral center line or a longitudinal center line of the liquid crystal display panel.
According to a preferred embodiment of the present invention, the pixel light emitting areas of the first display area and the second display area in the lateral direction and/or the longitudinal direction are increased or decreased, and the increasing rate or decreasing rate is changed gradually.
According to a preferred embodiment of the present invention, the first display area includes a first sub display area, a second sub display area, and a third sub display area that are arranged in a same column, the second display area includes a fourth sub display area, a fifth sub display area, and a sixth sub display area that are arranged in a same column, the first sub display area, the third sub display area, the fourth sub display area, and the sixth sub display area are located at four corners of the liquid crystal display panel, and the second sub display area, the center display area, and the fifth sub display area are located at a same row.
According to a preferred embodiment of the present invention, the pixels of each sub-display area have a 4-domain or 8-domain structure with different opening areas, and the pixels of the central display area have a 4-domain or 8-domain structure with the same opening area, and the pixel domain with the largest opening area of each sub-display area is larger than any one of the pixel domains in the central display area.
According to a preferred embodiment of the present invention, each of the first display area and the second display area includes a red sub-pixel, a green sub-pixel and a blue sub-pixel, wherein the red sub-pixel is correspondingly provided with a first pixel electrode, the green sub-pixel is correspondingly provided with a second pixel electrode, the blue sub-pixel is correspondingly provided with a third pixel electrode, and inclination angles of the first pixel electrode, the second pixel electrode and the third pixel electrode are respectively 45 °/45 °/40 ° or 45 °/40 °/45 ° or 45 °/45 °/35 ° or 40 °/40 °.
According to a preferred embodiment of the present invention, the liquid crystal panel further includes a polarizer, an angle between an equivalent optical axis of the central display area and an outgoing light ray of the polarizer is 35 ° to 50 °, and an angle between an equivalent optical axis of the first display area and the second display area and an outgoing light ray of the polarizer is 50 ° to 80 °.
According to a preferred embodiment of the present invention, the light emitting surface of the first display area and the light emitting surface of the second display area are higher than the light emitting surface of the central display area.
The invention has the beneficial effects that: the embodiment of the invention provides a liquid crystal display panel, which comprises a central display area, a first display area and a second display area, wherein the first display area and the second display area are opposite to the two sides of the central display area, pixels in the first display area and the second display area are of 4-domain or 8-domain structures with different opening areas, the pixels in the central display area are of 4-domain or 8-domain structures with the same opening area, at least 1 main pixel domain in the pixels of the first display area and the second display area is larger than the pixel domain in the central display area, namely the main pixel domains of the first display area and the second display area have light intensity larger than the light intensity of the pixel domains of the central display area, and the brightness and the visual angle of the whole display panel are relatively uniform when the side of the liquid crystal display panel is seen, so that the experience effect of the side viewing of the display panel is improved, and the purpose of improving the visual character bias of the liquid crystal panel is achieved.
Drawings
In order to more clearly illustrate the embodiments or the technical solutions in the prior art, the following description will briefly introduce the drawings that are needed in the embodiments or the description of the prior art, it is obvious that the drawings in the following description are only some embodiments of the invention, and that other drawings can be obtained according to these drawings without inventive effort for a person skilled in the art.
Fig. 1 is a schematic diagram of a first arrangement of display areas in a liquid crystal display panel according to the present invention.
Fig. 2 is a schematic view of a partial pixel structure of a display area in a liquid crystal panel according to the present invention.
Fig. 3 is a schematic diagram of a second arrangement of display areas in a liquid crystal display panel according to the present invention.
Fig. 4 is a schematic diagram of a third arrangement of display areas in a liquid crystal display panel according to the present invention.
Fig. 5 is a schematic diagram of a fourth arrangement of display areas in a liquid crystal display panel according to the present invention.
Detailed Description
The following description of the embodiments refers to the accompanying drawings, which illustrate specific embodiments in which the invention may be practiced. The directional terms mentioned in the present invention, such as [ upper ], [ lower ], [ front ], [ rear ], [ left ], [ right ], [ inner ], [ outer ], [ side ], etc., are only referring to the directions of the attached drawings. Accordingly, directional terminology is used to describe and understand the invention and is not limiting of the invention. In the drawings, like elements are denoted by the same reference numerals, and broken lines in the drawings indicate that they are not present in the structure, and only the shape and position of the structure are described.
The invention aims at solving the technical problem that the liquid crystal display panel in the prior art still has serious color cast when being seen from the side of a large visual angle due to the liquid crystal material and the regular pixel structure.
The conventional liquid crystal display panel is a backlight type liquid crystal display, and includes a liquid crystal display module and a backlight module. The working principle of the liquid crystal display module is that liquid crystal molecules are poured between the array substrate and the color film substrate, and driving voltage is applied to the two substrates to control the rotation direction of the liquid crystal molecules, so that light rays of the backlight module are refracted out to generate pictures. The formula of the aperture ratio of the liquid crystal display panel:
wherein ψ is the included angle between the equivalent optical axis of the liquid crystal and the light emitting direction of the polarizer, delta nd is the height difference of the light emitting plane, lambda is the light emitting wavelength, in the same pixel on the same liquid crystal display module, if four domains in the pixel are designed in equal area, the liquid crystal of the four domains is reversed to just show equal angle deflection when voltage is applied, namely delta nd of the liquid crystal is the same, brightness is the same when the liquid crystal is watched in the four directions, and compared with front view, the brightness and the visual angle of the light are poorer when the liquid crystal is watched from side view.
In order to solve the problems, the invention provides a liquid crystal display panel, which comprises a central display area, and a first display area and a second display area which are opposite to the central display area, wherein pixels in the first display area and the second display area are of 4-domain or 8-domain structures with different opening areas, the pixels in the central display area are of 4-domain or 8-domain structures with the same opening area, at least 1 main pixel domain of the pixels in the first display area and the second display area is larger than the pixel domain of the central display area, in addition, the pixel luminous areas of the first display area and the second display area are preferably larger than the pixel luminous area of the central display area, the main pixel domains in the first display area and the second display area are larger than the pixel domain luminous intensity of the central display area, and the brightness and the visual angle of the whole display panel are relatively uniform when seen from the side of the liquid crystal display panel, so that the experience effect of the side view of the display panel on the screen is improved, and the aim of improving the visual character bias of the liquid crystal panel is achieved.
Specifically, as shown in fig. 1, the present invention provides a first arrangement schematic diagram of a display area in a liquid crystal display panel. The liquid crystal display panel 100 includes a display region 102 and a non-display region 101 located at the periphery of the display region 102, a driving unit 1011 is provided at one side of the non-display region 101, and the driving unit 1011 supplies data signals to pixels in the display region 102. The display region 102 includes a central display region 1021 and first and second display regions 1022 and 1023 on both sides with respect to the central display region 1021, and at least 1 main pixel domain of the pixels of the first and second display regions 1022 and 1023 is larger than the pixel domain of the central display region 1021. The first display region 1022 and the second display region 1023 in this embodiment are located on the left and right and upper and lower sides of the center display region 1021, respectively, and the first display region 1022 and the second display region 1023 are symmetrically disposed about the longitudinal center line 1013 of the liquid crystal display panel. The distribution of the first display area and the second display area in another embodiment may also be symmetrically arranged about the longitudinal center line 1012 of the liquid crystal display panel.
The first display area 1022 of the present embodiment includes a first sub display area 10221, a second sub display area 10222, and a third sub display area 10223 arranged in the same column, the second display area 1023 includes a fourth sub display area 10231, a fifth sub display area 10232, and a sixth sub display area 10233 arranged in the same column, the first sub display area 10221, the third sub display area 10223, the fourth sub display area 10231, and the sixth sub display area 10233 are located at four corners of the liquid crystal display panel 100, the second sub display area 10222, the center display area 1021, and the fifth sub display area 10232 are preferably located at the same line, the first sub display area 10221 and the fourth sub display area 10231 are preferably located at the same line, and the third sub display area 10223 and the sixth sub display area 10233 are preferably located at the same line. The pixel light emitting areas of the first, second, third, fourth, fifth and sixth sub-display areas 10221, 10222, 10223, 10231, 10232 and 10233 are preferably larger than those of the center display area 1021 to increase the light emitting intensity of the edges of the liquid crystal panel.
The first display region 1022 and the second display region 1023 are symmetrically disposed about the longitudinal center line 1013 of the liquid crystal display panel, and the pixel structures and arrangements within the first display region 1022 and the second display region 1023 are identical. To increase the side view effect of the liquid crystal display panel 100, the pixel light emitting areas of the first display region 1022 and the second display region 1023 in the lateral X-axis and/or the longitudinal direction are each increased or decreased, and the increasing rate or decreasing rate is changed gradually.
If the pixel light emitting areas of the first sub-display area 10221, the second sub-display area 10222, and the third sub-display area 10223 in the first display area 1022 are increased or decreased in the X-axis direction, the pixel light emitting area in the frame direction near the liquid crystal display panel 100 is increased, and the pixel light emitting area in the frame direction far from the liquid crystal display panel 100 is decreased. The pixel light emitting areas of the first, second, and third sub-display areas 10221, 10222, 10223 are increased in the X-axis reverse direction, and the pixel light emitting areas of the fourth, fifth, and sixth sub-display areas 10231, 10232, 10233 are increased in the X-axis forward and reverse directions, so that the side view effect of the liquid crystal display panel 100 is good when viewed in the X-side direction.
If the pixel light emitting areas of the first sub-display area 10221, the second sub-display area 10222, and the third sub-display area 10223 in the first display area 1022 are increased or decreased in the Y-axis, the pixel light emitting area in the frame direction near the liquid crystal display panel 100 is increased, and the pixel light emitting area in the frame direction far from the liquid crystal display panel 100 is decreased. Preferably, the pixel light emitting area increases from the center position of the second sub display area 10222 up to the third sub display area 10223 in the Y-axis direction, and increases from the center position of the second sub display area 10222 down to the first sub display area 10221 in the Y-axis direction. The pixel light emitting areas of the fourth, fifth, and sixth sub-display areas 10231, 10232, 10233 in the Y-axis direction are the same as the pixel light emitting areas of the first, second, and third sub-display areas 10221, 10222, 10223, and thus the side view effect of the liquid crystal display panel 100 is good when viewed in the Y-side direction.
If the pixel light emitting areas of the first display area 1022 and the second display area 1023 are changed in the increasing or decreasing manner in the directions of the lateral X axis and the longitudinal Y axis, the side view effect of the liquid crystal display panel 100 is better when viewing in the directions of the X axis and the Y axis.
In addition to the central display area 1021, the first display area 1022, and the second display area 1023, the display area 102 has other display areas, the pixel light emitting area of the central display area 1021 is the same as the pixel light emitting area of other surrounding display areas, the pixel openings of the central display area 1021 are of conventional design, and the inclination angle of the pixel electrodes of the red sub-pixel, the green sub-pixel, and the blue sub-pixel of the central display area 1021 is 35 °/35 °/35 ° or 35 °/40 °/40 °. In order to further improve the side view effect of the liquid crystal display panel 100, the first display area 1022 and the second display area 1023 each include a red sub-pixel, a green sub-pixel and a blue sub-pixel, the red sub-pixel is correspondingly provided with a first pixel electrode, the green sub-pixel is correspondingly provided with a second pixel electrode, the blue sub-pixel is correspondingly provided with a third pixel electrode, and the inclination angles of the first pixel electrode, the second pixel electrode and the third pixel electrode are respectively 45 °/45 °/40 ° or 45 °/40 °/45 ° or 45 °/45 °/35 ° or 40 °/40 °/40 °. The inclination angle of the pixel electrodes of the red sub-pixel, the green sub-pixel and the blue sub-pixel of the central display area 1021 is lower than that of the first pixel electrode, the second pixel electrode and the third pixel electrode, so that the transmittance of the pixels at the edge of the liquid crystal display panel 100 is improved.
The liquid crystal display panel 100 further includes a polarizer, the included angle between the equivalent optical axis of the central display area 101 and the outgoing light of the polarizer is 35 ° to 50 °, the included angle between the equivalent optical axis of the first display area 1022 and the second display area 1023 and the outgoing light of the polarizer is 50 ° to 80 °, and the outgoing light surfaces of the first display area 1022 and the second display area 1023 are higher than the outgoing light surface of the central display area 1021, so as to further improve the transmittance of the pixels at the edge of the liquid crystal display panel 100.
As shown in fig. 2, an embodiment of the present invention provides a schematic diagram of a partial pixel structure of a display area of a liquid crystal display panel. The first sub-display area 10221 array is provided with pixels 201, the second sub-display area 10222 array is provided with pixels 202, the third sub-display area 10223 array is provided with pixels 203, the central display area 1021 array is provided with pixels 204, the fourth sub-display area 10231 array is provided with pixels 205, the fifth sub-display area 10232 array is provided with pixels 206, the sixth sub-display area 10233 array is provided with pixels 207, the film structures of the pixels 201 to 207 are the same, each of the array substrate, the liquid crystal layer and the color film substrate comprises an array substrate, and the specific array substrate, the liquid crystal layer and the color film substrate have the film structures the same as those of a conventional liquid crystal panel.
However, the pixel domains divided from the pixel 201 to the pixel 203 have different opening areas, and the pixel 205 to the pixel 207 and the pixel 201 to the pixel 203 are symmetrically arranged with respect to the longitudinal center line 1013 of the liquid crystal panel. The pixel domains of the pixels 201 to 207 are preferably 4-domain or 8-domain structures. The main pixel domain opening areas of pixels 201-203 and 205-207 are larger than the pixel opening of any one of the pixel domains in pixel 204. The pixel 201 in this embodiment includes a first pixel domain 2011, a second pixel domain 2012, a third pixel domain 2013, and a fourth pixel domain 2014, and the second pixel domain 2012 is a main pixel domain of the pixel 201. The pixel 202 includes a first pixel domain 2021, a second pixel domain 2022, a third pixel domain 2023, and a fourth pixel domain 2024, the first pixel domain 2021 and the second pixel domain 2022 being juxtaposed as a main pixel domain of the pixel 202. The pixel 203 includes a first pixel domain 2031, a second pixel domain 2032, a third pixel domain 2033, and a fourth pixel domain 2034, and the first pixel domain 2031 is a main pixel domain of the pixel 203. The pixel 204 includes a first pixel domain 2041, a second pixel domain 2042, a third pixel domain 2043, and a fourth pixel domain 2044 having an equal opening area, and the pixel 205-207 is not described here again, and the structure is similar to the pixel 201-203.
As shown in fig. 3, the present invention provides a second layout diagram of display areas in a liquid crystal display panel. The display region 102 includes a central display region 1021 and first and second display regions 1022 and 1023 on both sides with respect to the central display region 1021, and the pixel domain opening areas of the first and second display regions 1022 and 1023 are different from the pixel domain opening area of the central display region. The first display region 1022 and the second display region 1023 in this embodiment are located on the left and right sides of the center display region, respectively, and the first display region 1022 and the second display region 1023 are symmetrically disposed about the longitudinal center line 1013 of the liquid crystal display panel. The pixel light emitting areas of the first display area 1022 and the second display area 1023 in the lateral X-axis and/or the longitudinal direction are increased or decreased, and the increasing rate or decreasing rate is changed gradually, so that the side view effect of the liquid crystal display panel is increased. The rest of the structure is similar to that of fig. 1 and will not be described again here.
As shown in fig. 4, the present invention provides a third arrangement schematic diagram of display areas in a liquid crystal display panel. The display region 102 includes a central display region 1021 and first and second display regions 1022 and 1023 on both sides with respect to the central display region 1021, and the pixel domain opening areas of the first and second display regions 1022 and 1023 are different from the pixel domain opening area of the central display region. The first display region 1022 and the second display region 1023 in this embodiment are located on the upper and lower sides of the center display region, respectively, and the first display region 1022 and the second display region 1023 are symmetrically disposed about the lateral center line 1012 of the liquid crystal display panel. The pixel light emitting areas of the first display area 1022 and the second display area 1023 in the lateral X-axis and/or the longitudinal direction are increased or decreased gradually, and the increasing rate or decreasing rate is changed gradually, so that the side view effect of the liquid crystal display panel can be increased. The rest of the structure is similar to that of fig. 1 and will not be described again here.
As shown in fig. 5, the present invention provides a fourth arrangement schematic diagram of display areas in a liquid crystal display panel. The display region 102 includes a central display region 1021 and first and second display regions 1022 and 1023 on both sides with respect to the central display region 1021, and the pixel domain opening areas of the first and second display regions 1022 and 1023 are different from the pixel domain opening area of the central display region. In this embodiment, the first display area 1022 and the second display area 1023 are respectively located on the upper, lower, left and right sides of the center display area 1021, the first display area 1022 includes a first sub display area 10221 and a second sub display area 10222, the second display area 1022 includes a fourth sub display area 10231 and a fifth sub display area 10232, the first sub display area 10221 and the fourth sub display area 10231 are symmetrically disposed about the longitudinal center line 1013 of the liquid crystal display panel, the second sub display area 10222 and the fifth sub display area 10232 are symmetrically disposed about the lateral center line 1012 of the liquid crystal display panel, the pixel light emitting areas of the first display area 1022 and the second display area 1023 in the lateral X-axis and/or the longitudinal direction are respectively increased or decreased, and the increasing rate or decreasing rate is gradually changed, so as to increase the side view effect of the liquid crystal display panel. The rest of the structure is similar to that of fig. 1 and will not be described again here.
The embodiment of the invention provides a liquid crystal display panel, which comprises a central display area, a first display area and a second display area, wherein the first display area and the second display area are opposite to the two sides of the central display area, pixels in the first display area and the second display area are of 4-domain or 8-domain structures with different opening areas, the pixels in the central display area are of 4-domain or 8-domain structures with the same opening area, at least 1 main pixel domain in the pixels of the first display area and the second display area is larger than the pixel domain in the central display area, namely the main pixel domains of the first display area and the second display area have light intensity larger than the light intensity of the pixel domains of the central display area, and the brightness and the visual angle of the whole display panel are relatively uniform when the side of the liquid crystal display panel is seen, so that the experience effect of the side viewing of the display panel is improved, and the purpose of improving the visual character bias of the liquid crystal panel is achieved.
In summary, although the present invention has been described in terms of the preferred embodiments, the above-mentioned embodiments are not intended to limit the invention, and those skilled in the art can make various modifications and alterations without departing from the spirit and scope of the invention, so that the scope of the invention is defined by the appended claims.
Claims (10)
1. The liquid crystal display panel is characterized by comprising a central display area, a first display area and a second display area, wherein the first display area and the second display area are opposite to the two sides of the central display area, pixels in the first display area and the second display area are of 4-domain or 8-domain structures with different opening areas, the pixels in the central display area are of 4-domain or 8-domain structures with the same opening area, and at least 1 main pixel domain of the pixels in the first display area and the second display area is larger than the pixel domain of the central display area.
2. The liquid crystal display panel according to claim 1, wherein the first display region and the second display region are located on left and right sides of the central display region, respectively, the first display region and the second display region being symmetrically disposed about a longitudinal center line of the liquid crystal display panel.
3. The liquid crystal display panel according to claim 1, wherein the first display region and the second display region are located on upper and lower sides of the central display region, respectively, and the first display region and the second display region are symmetrically disposed about a lateral center line of the liquid crystal display panel.
4. The liquid crystal display panel according to claim 1, wherein the first display region and the second display region are located on the left and right and upper and lower sides of the central display region, respectively, and the first display region and the second display region are symmetrically disposed about a lateral center line or a longitudinal center line of the liquid crystal display panel.
5. The liquid crystal display panel according to any one of claims 1 to 4, wherein the pixel light emitting areas of the first display region and the second display region in the lateral direction and/or the longitudinal direction are increased or decreased, and the increasing rate or the decreasing rate is changed gradually.
6. The liquid crystal display panel of claim 4, wherein the first display region includes a first sub-display region, a second sub-display region, and a third sub-display region arranged in a same column, the second display region includes a fourth sub-display region, a fifth sub-display region, and a sixth sub-display region arranged in a same column, the first sub-display region, the third sub-display region, the fourth sub-display region, and the sixth sub-display region are located on four corners of the liquid crystal display panel, and the second sub-display region, the center display region, and the fifth sub-display region are located on a same line.
7. The liquid crystal display panel of claim 6, wherein a maximum open area pixel domain of each sub-display area is larger than any one of the pixel domains in the center display area.
8. The liquid crystal display panel according to claim 1, wherein the first display area and the second display area each include a red sub-pixel, a green sub-pixel, and a blue sub-pixel, the red sub-pixel is correspondingly provided with a first pixel electrode, the green sub-pixel is correspondingly provided with a second pixel electrode, the blue sub-pixel is correspondingly provided with a third pixel electrode, and inclination angles of the first pixel electrode, the second pixel electrode, and the third pixel electrode are 45 °/45 °/40 ° or 45 °/40 °/45 °/35 °/40 °/40 °, respectively.
9. The liquid crystal display panel according to claim 1, further comprising a polarizer, wherein an angle between an equivalent optical axis of the central display region and an outgoing light ray of the polarizer is 35 ° to 50 °, and an angle between an equivalent optical axis of the first display region and the second display region and an outgoing light ray of the polarizer is 50 ° to 80 °.
10. The liquid crystal display panel of claim 1, wherein the first display region and the second display region each have a light exit surface that is higher than a light exit surface of the center display region.
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| CN109375432B (en) * | 2018-10-30 | 2020-10-16 | 惠科股份有限公司 | Display panel, display device and manufacturing method |
| CN112068363B (en) * | 2020-09-11 | 2022-07-29 | 深圳市华星光电半导体显示技术有限公司 | Display panel and display device |
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