TWI712018B - Array substrate - Google Patents

Abstract

The present invention discloses an array substrate which comprises a display area and a peripheral area. The display area includes a first display area and a second display area, and further includes a first scan driving circuit, a second scan driving circuit, and a plurality of pixel units. The first scan driving circuit is disposed in the first display area, the second scan driving circuit is disposed in the peripheral area. The plurality of pixel units includes the first group of pixel units and the second group of pixel units. The first group of pixel units are disposed in the first display area, and the second group of pixel units are respectively disposed in the second display area; wherein the first scan driving circuit is electrically connected to the first group of pixel units, respectively, and the second scan driving circuit is respectively electrically Connected to the second set of pixel units.

Description

Array substrate

The present invention relates to the field of display technology, specifically, to an array substrate.

Display technology is widely used in televisions, mobile phones and other fields. Generally, the source driver chip in the display panel is responsible for receiving image data, buffering the image data and converting digital signals to analog signals, and finally the converted signals Transmit to each data line of the display panel through the output buffer, the scan driving circuit is responsible for realizing progressive scan, generating scan signals that turn on row by row for timing control, and load the scan signal of each row to the corresponding gate line to control the pixel The switch is turned on, so that the image data enters the storage capacitor of this row of pixels, and finally the normal display of the image is realized. At present, the scan driving circuit composed of thin film transistors is generally placed in the peripheral area on the left and right sides of the display panel.

With the continuous development of display technology, display panels not only have higher and higher requirements for display functions, but in order to better adapt to the overall structure and use requirements of the environment, the requirements on appearance are gradually increasing, so special-shaped display panels follow produce. In simple terms, the special-shaped display panel is to cut off the part (including corners, arc grooves, etc.) on the basis of the rectangular display panel for placement Camera, earpiece and other parts. In order to ensure the display effect of the special-shaped display panel, the existing design avoids the cutting area and re-lays out the pixel units, driving circuits, gate lines, data lines, etc. of the array substrate, which not only increases the cost, but also takes a lot of time, which directly affects Improved market competitiveness.

The purpose of the embodiments of the present invention is to provide a special-shaped array substrate that can share a photomask with a rectangular array substrate, which not only reduces the cost of design layout, but also directly reduces the time for design layout.

In order to achieve the above object, the array substrate of the embodiment of the present invention includes a display area and a peripheral area. The display area includes a first display area and a second display area, and it also includes a first scan driving circuit, a second scan driving circuit, and multiple Pixel units, the first scan drive circuit is arranged in the first display area, the second scan drive circuit is arranged in the peripheral area, the plurality of pixel units include a first group of pixel units and a second group of pixel units, the first group of pixel units are arranged In the first display area, the second group of pixel units are arranged in the second display area; wherein, the first scan drive circuit is electrically connected to the first group of pixel units, and the second scan drive circuit is respectively electrically connected to the second group of pixels unit.

In an embodiment of the above-mentioned array substrate, it further includes a third scan driving circuit, which is disposed in a part of the peripheral area corresponding to both sides of the first display area, and the third scan driving circuit is electrically connected to the first group of pixel units, respectively.

In an embodiment of the above-mentioned array substrate, it further includes a plurality of gate lines, the gate lines include a first gate line and a second gate line, and the first gate line is disposed in the first display area, and the second gate line The polar line is arranged in the second display area, which Wherein, the first gate line is connected to the first scan driving circuit and the third scan driving circuit, and the second gate line is connected to the second scan driving circuit.

In an embodiment of the above-mentioned array substrate, the second scan driving circuit is located in the peripheral area of the part on both sides of the second display area.

In one embodiment of the aforementioned array substrate, the first display area is located at one end or opposite ends of the second display area.

In an embodiment of the above-mentioned array substrate, the first display area includes a through hole, and the through hole may have a closed edge or a non-closed edge.

In an embodiment of the above-mentioned array substrate, it further includes a plurality of data lines, the data lines include a stepped portion, and the stepped portion is located at the periphery of the through hole.

In one embodiment of the aforementioned array substrate, the stepped portion includes a first stepped portion and a second stepped portion that extend in opposite directions.

In an embodiment of the above-mentioned array substrate, the edge contours of both sides or a single side of the first display area are arc shapes.

In an embodiment of the above-mentioned array substrate, the contour of the other side of the first display area is a concave shape.

In an embodiment of the aforementioned array substrate, the first group of pixel units includes a first pixel unit, a second pixel unit, and a third pixel unit, wherein the first pixel unit or the third pixel unit can form a circular arc shape.

In an embodiment of the aforementioned array substrate, the first group of pixel units includes a first pixel unit, a second pixel unit, and a third pixel unit, wherein the first pixel unit or the third pixel unit can form a circular arc Shape, the third pixel unit can form a concave shape.

In an embodiment of the aforementioned array substrate, the first scan driving circuit is located in the first display area on both sides of the concave shape, or the first display area between the concave shape and the arc shape.

In an embodiment of the above-mentioned array substrate, the first scan driving circuit is located in the first display area around the through hole.

In an embodiment of the aforementioned array substrate, the width of the first display area is greater than 0 mm and less than 15 mm.

The following describes the present invention in detail with reference to the accompanying drawings and specific embodiments, but not as a limitation to the present invention.

100, 200, 300, 400, 500‧‧‧Array substrate

110, 210, 310, 410‧‧‧display area

111, 211, 311, 411‧‧‧First display area

112, 212, 312, 412‧‧‧Second display area

120, 220, 320, 420‧‧‧ Surrounding area

130, 230, 330, 430‧‧‧First scan driving circuit

140, 240, 340, 440‧‧‧Second scan driving circuit

150, 250‧‧‧ pixel unit

151, 251, 351, 451‧‧‧The first group of pixel units

152, 252, 352, 452‧‧‧The second group of pixel units

170, 270‧‧‧Gate line

171, 271, 371, 471‧‧‧first gate line

172, 272, 372, 472‧‧‧second gate line

260‧‧‧The third scan drive circuit

311a, 411a, 511a, 611a‧‧‧Through hole

311b、411b‧‧‧Arc shape

351a, 451a‧‧‧The first pixel unit

351b, 451b‧‧‧Second pixel unit

351c, 451c‧‧‧The third pixel unit

580、680‧‧‧Data line

581‧‧‧First Step

5811‧‧‧First starting end

5812‧‧‧First end

582‧‧‧Second Step

5821‧‧‧Second starting end

5822‧‧‧Second end

681‧‧‧First end

682‧‧‧Second end

H‧‧‧Width

1 is a schematic structural diagram of an embodiment of an array substrate of the present invention; FIG. 2 is a schematic structural diagram of an embodiment of an array substrate of the present invention; FIG. 3 is a schematic structural diagram of an embodiment of an array substrate of the present invention; Is a schematic diagram of the structure of the first display area of an embodiment of the array substrate of the present invention; FIG. 5 is a schematic diagram of the structure of the first display area of an embodiment of the array substrate of the present invention; Fig. 7 is a schematic structural diagram of an embodiment of the array substrate of the present invention; Fig. 8 is a schematic structural diagram of an embodiment of the data line layout of the array substrate of the present invention; Fig. 9 is a partial enlargement of Fig. 8 Schematic diagram FIG. 10 is a schematic structural diagram of an embodiment of the data line layout of the array substrate of the present invention.

The technical solutions of the present invention will be described in detail below with reference to the accompanying drawings and specific embodiments to further understand the purpose, solutions and effects of the present invention, but not as a limitation of the protection scope of the appended claims of the present invention.

Different from the traditional ordinary rectangular display panel, the special-shaped display panel technology has gradually become a focus of attention in the display industry. The array substrate of the embodiment of the present invention is specifically an array substrate constituting the special-shaped display panel. As shown in FIG. 1, the array substrate 100 of the embodiment of the present invention includes a display area 110 and a peripheral area 120. The peripheral area 120 is adjacent to the display area 110. For example, the peripheral area 120 is located on the left and right sides of the display area 110. The area around the sides, the upper and lower sides, but the present invention is not limited to this. The peripheral area 120 may also be a single-sided area of the display area 110.

In this embodiment, the display area 110 includes a first display area 111 and a second display area 112, and the first display area 111 is located at one end of the second display area 112. As shown in FIG. 1, in this embodiment, the first display area 111 is located above the second display area 112, and the second display area 112 is located in the area below the first display area 111. In other words, the first display area 111 is located up and down. A display area 111 and a second display area 112 jointly form a display area 110.

Of course, the first display area 111 may also be located at the lower part of the entire display area or other areas in some embodiments. In another embodiment of the present invention, as shown in FIG. 2, the first display area 111 is located at the bottom of the entire display area. on The second display area 112 is located in the middle of the display area, that is, the area between the upper and lower first display areas 111. However, the present invention is not limited to this. In the embodiment different from FIG. 1 or FIG. 2, the positional relationship between the first display area 111 and the second display area 112 can be adjusted according to different reasons such as usage requirements and process design.

As shown in FIG. 1, generally, the width H of the first display area 111 is greater than 0 mm and less than 15 mm. Wherein, the width H is the distance that the first display area 111 extends downward relative to the top edge of the display area, or the distance that the first display area 111 extends upward relative to the bottom edge of the display area.

Referring again to the embodiment shown in FIG. 1, the array substrate 100 further includes a first scan driving circuit 130, a second scan driving circuit 140 and a plurality of pixel units 150. Among them, the first scan driving circuit 130 is disposed in the first display area 111, and the second scan driving circuit 140 is disposed in the peripheral area 120. The plurality of pixel units 150 include a first group of pixel units 151 and a second group of pixel units 152. The first group of pixel units 151 are disposed in the first display area 111, and the second group of pixel units 152 are disposed in the second display area 112. The first scan driving circuit 130 is electrically connected to the first group of pixel units 151 arranged in the first display area 111, and the second scan driving circuit 140 is electrically connected to the second group arranged in the second display area 112, respectively. Pixel unit 152.

Specifically, the second scan driving circuit 140 may be located in the peripheral area 120 on one side of the second display area 112, or may be located in the peripheral area 120 on both sides of the second display area 112, as shown in FIG. 1 .

In detail, the array substrate 100 further includes a plurality of gate lines 170. The gate lines 170 include a first gate line 171 and a second gate line 172. The first gate line 170 The line 171 is disposed in the first display area 111 and connected to the first scan driving circuit 130, and the second gate line 172 is disposed in the second display area 112 and connected to the second scan driving circuit 140. In this embodiment, the first scan driving circuit 130 drives the first group of pixel units 151 arranged in the first display area 111 through the first gate line 171, so as to realize the first group of pixel units 151 in the first display area 111. normal display. The second scan driving circuit 140 drives the second group of pixel units 152 arranged in the second display area 112 through the second gate line 172 to realize the normal display of the second group of pixel units 152 in the second display area 112.

It should be noted that the driving mode of the second group of pixel units 152 in the second display area 112 through the second scan driving circuit 140 can be double-sided single-drive, double-sided dual-drive, etc., which are all drives that have been applied in the field. The manner is not the content of the invention, and will not be described in detail here.

In another embodiment of the present invention, as shown in FIG. 3, this embodiment is different from the embodiment shown in FIG. 1 in that the array substrate 200 further includes a third scan driving circuit 260, and the third scan driving circuit 260 is disposed at Corresponding to part of the peripheral area 220 on both sides of the first display area 211, the third scan driving circuit 260 is electrically connected to the first group of pixel units 251, respectively.

In this embodiment, the first group of pixel units 251 located in the first display area 211 can not only be driven by the first scan driving circuit 230 provided in the first display area 211, but also can be driven through the first display area 211. The third scan driving circuit 260 of the peripheral area 220 on both sides is driven to ensure that the first group of pixel units 251 can display normally.

The first scan driving circuit 230 and the third scan driving circuit 260 connect the first group of pixels in the first display area 211 through the first gate line 271. The pixel rows of the cell 251 are sequentially turned on, and the second scan driving circuit 240 sequentially turns on the pixels of the second group of pixel units 252 of the second display area 212 through the second gate line 272 to realize the display panel Display function.

In the embodiment of the present invention, as shown in FIGS. 1 to 3, each first gate line located in the first display area is connected to a plurality of scan driving circuits. In this way, even if the first display area is partially cut and the rectangular display panel is changed to a special-shaped display panel, normal display can still be guaranteed. In addition, regardless of whether it is a rectangular display panel or a special-shaped display panel, the same photomask can be used to fabricate the array substrate, so that display panels of different shapes can share the photomask.

Please continue to refer to FIGS. 4 and 5. FIGS. 4 and 5 are schematic diagrams of the first display area of the special-shaped display panel, respectively. For example, in other embodiments of the present invention, the first display area of the display area of the array substrate includes a through hole, and the through hole may have a closed edge (as shown in FIG. 4) or a non-closed edge (as shown in FIG. 5). The first scan driving circuit is located in the first display area around the through hole.

In detail, in the embodiment shown in FIG. 4, the first display area 311 includes a through hole 311a, and the through hole 311a includes a closed edge. In addition, the edge contours on both sides of the first display area 311 are arc shapes 311b. Of course, a single side edge contour of the first display area 311 may also be arc shapes 311b. The present invention does not take this as the first. In this embodiment, the first scanning circuit 330 is located in the pixel unit of the first display area 311 at the periphery of the through hole 311a. Specifically, in this embodiment, the first group of pixel units 351 in the first display area 311 of the array substrate 300 includes a first pixel unit 351a, a second pixel unit 351b, and a third pixel unit 351c. Shape 311b is formed in the first pixel The outer contour of the unit 351a and/or the third pixel unit 351c, and the through hole 311a is formed in the second pixel unit 351b. In this embodiment, after the through hole 311a and the arc shape 311b are formed, the first pixel unit 351a, the second pixel unit 351b, and the third pixel unit 351c can still pass through the first display area located around the through hole 311a. The first scanning circuit 330 in the pixel unit of 311 performs driving.

Please refer to FIGS. 4 and 6 at the same time. FIG. 6 is a schematic diagram of a special-shaped display panel, that is, FIG. 4 is a partial enlarged schematic diagram of the first display area of FIG. 6. As shown in FIG. 6, the first display area 311 and the second display area 312 of the array substrate 300 represent different parts of the display area 310. Specifically, the first display area 311 is a cut corner of the display area of the array substrate. , The part with arc-shaped groove (notch) can be used to place parts such as camera and earpiece. The second display area 312 is a portion of the display area of the array substrate that has no corners and arc-shaped grooves. The first scan driving circuit 330 is disposed in the first group of pixel units 351 of the first display area 311 of the cutting area, and drives the first group of pixel units 351 through the first gate line 371. The second scan driving circuit 340 is disposed in the peripheral area 320 on the left and right sides of the second display area 312 of the non-cutting area, and drives the second group of pixel units 352 through the second gate line 372.

1 and FIG. 6, after the first display area 111 of the rectangular array substrate 100 shown in FIG. 1 is cut, the abnormal-shaped array substrate 300 shown in FIG. 6 is formed, and each pixel unit of the first display area 311 is still It can be driven by the first scanning circuit 330, that is, even if cut shapes such as the through hole 311a and the arc shape 311b are formed by cutting, the first display area 311 The display of each pixel unit is not affected and can be used normally. Therefore, the rectangular array substrate of the embodiment of the present invention can share the photomask with the special-shaped array substrate.

In detail, in the embodiment of the present invention, after the first display area 311 is cut out of shape, not only can the first display area 311 still be displayed normally, but also the corresponding non-shaped cut ordinary array substrate realizes a mask. Sharing, or after digging parallel holes, only changing the mask of the second metal layer can realize the mask sharing with the corresponding non-shaped cut ordinary array substrate, which greatly reduces the time and labor cost of substrate arrangement.

In addition, the embodiment of the present invention can design the cutting method of the first display area according to the requirements of different customers through the above-mentioned settings. For the problem of the decrease in transmittance after the first display area is cut, the light transmission voltage can be increased, etc. The way to make up for it, the overall display effect is guaranteed.

In another embodiment shown in FIG. 5, the first display area 411 includes a through hole 411a, and the through hole 411a includes a non-closed edge. In detail, the contour of one side of the first display area 411 is a concave shape. . Similarly, the edge contours on both sides of the first display area 411 are arc shapes 411b. Of course, a single side edge contour of the first display area 411 can also be arc shapes 411b, and the invention is not limited thereto. In this embodiment, the first scanning circuit 430 is located in the first display area 411 around the through hole 411a. Specifically, in this embodiment, the first group of pixel units 451 in the first display area 411 of the array substrate 400 includes a first pixel unit 451a, a second pixel unit 451b, and a third pixel unit 451c, in which a circular arc The shape 411b is formed in the first pixel unit 451a and/or the third pixel unit 451c, and the concave through hole 411a is formed in the second pixel unit 451b.

In this embodiment, after the through hole 411a and the arc shape 411b are formed, the first pixel unit 451a, the second pixel unit 451b, and the third pixel unit 451c can still pass through the first display located at the periphery of the through hole 411a. The first scanning circuit 430 in the pixel unit of the area 411 is driven.

Please refer to FIGS. 5 and 7 at the same time. FIG. 7 is a schematic diagram of another special-shaped display panel, and FIG. 5 is a partial enlarged schematic diagram of the first display area of FIG. 7. As shown in FIG. 7, the first scan driving circuit 430 is disposed in the first group of pixel units 451 in the first display area 411 of the cutting area, and drives the first group of pixel units 451 through the first gate line 471. The second scan driving circuit 440 is disposed in the peripheral area 420 on the left and right sides of the second display area 412 in the non-cutting area, and drives the second group of pixel units 452 through the second gate line 472.

1 and FIG. 7, after the first display area 111 of the rectangular array substrate 100 shown in FIG. 1 is cut, the special-shaped array substrate 400 shown in FIG. 7 is formed, that is, the through hole 411a and the arc are formed by cutting. With a cut shape such as the shape 411b, each pixel unit of the first display area 411 can still be displayed normally, achieving the effect that the rectangular array substrate can share the mask with the special-shaped array substrate.

Please refer to FIG. 8. FIG. 8 is a layout diagram of data lines around the through holes 511 a of the array substrate 500. In the embodiment of FIG. 8, the array substrate 500 includes a through hole 511a and a plurality of data lines 580, wherein the through hole 511a is located in the first display area of the display area, the data line 580 includes a step portion, and the step portion is located in the through hole The periphery of 511a. Specifically, the data line 580 extends stepwise around the through hole 511a to avoid the through hole 511a to avoid being cut when the through hole 511a is formed.

In detail, the step portion includes a first step portion 581 and a second step portion 582 that extend in opposite directions, so that the data line 580 located around the through hole 511a includes a first step portion 581 and a second step portion 582, wherein the first step portion The part 581 is connected to the second step part 582. As shown in the figure, the first step portion 581 extends to H in the X direction at E, and the second step portion 582 extends to F in the opposite direction of the X direction at H.

In combination with FIG. 8 and FIG. 9, FIG. 9 is a partial detailed enlarged structure of FIG. 8. In detail, the first step portion 581 extends along the X direction and toward the direction where the through hole 511a is located, and the second step portion 582 extends along the opposite direction of the X direction and toward the direction where the through hole 511a is located, that is, as shown At the upper part E of the through hole 511a shown, the first step portion 581 extends to the left and downward, the second step portion 582 extends to the right and downward, and the first step portion 581 and the second step portion 582 are in the through hole. The periphery of 511a extends stepwise and avoids the through hole 511a.

The first step portion 581 includes a first starting end 5811 and a first ending end 5812, the second step portion 582 includes a second starting end 5821 and a second ending end 5822, and the first starting end 5811 of the first step portion 581 starts at E And extend along the X direction until the first end 5812 of the first step portion 581 extends to H, wherein the first end 5812 of the first step portion 581 is connected to the second start end 5821 of the second step portion 582, and then , The second starting end 5821 of the second step portion 582 extends in the opposite direction of the X direction to the second ending end 5822 at the bottom F.

The structure on the right side of the data line 580 is similar to the structure on the left side described above.

As shown in FIG. 10, FIG. 10 is a schematic structural diagram of an embodiment of the data line layout of the array substrate of the present invention. In this embodiment, the data line 680 around the through hole 611a adopts an arc-shaped layout. In detail, the data line 680 includes a first end 681 and a second end 682, and the data line 680 is arc-shaped from the first end 681. Layout until the second end 682, the arc-shaped data line avoids the through hole 611a to avoid being cut when the through hole 611a is formed. The structure on the right side of the data line 680 is similar to the structure on the left side described above. In this embodiment, the data line adopts an arc layout, and the required area is small, which is beneficial to save layout space.

Of course, the present invention can also have various other embodiments. Without departing from the spirit and essence of the present invention, those skilled in the art can make various corresponding changes and modifications according to the present invention, but these corresponding changes and All deformations shall fall within the protection scope of the appended claims of the present invention.

100‧‧‧Array substrate

110‧‧‧Display area

111‧‧‧First display area

112‧‧‧Second display area

120‧‧‧ Surrounding area

130‧‧‧First scan driving circuit

140‧‧‧Second scan driving circuit

150‧‧‧Pixel unit

151‧‧‧The first group of pixel units

152‧‧‧The second group of pixel units

170‧‧‧Gate line

171‧‧‧First Gate Line

172‧‧‧Second Gate Line

H‧‧‧Width

Claims (15)

An array substrate includes a display area and a peripheral area, the display area includes a first display area and a second display area, and is characterized in that it further includes: a first scan driving circuit disposed in the first display area A second scan driving circuit, arranged in the peripheral area; and a plurality of pixel units, including a first group of pixel units and a second group of pixel units, the first group of pixel units are arranged in the first display area, the The second group of pixel units are arranged in the second display area; wherein, the first scan driving circuit is electrically connected to the first group of pixel units, and the second scan driving circuit is respectively electrically connected to the second group of pixel units , And the first scan driving circuit is arranged in the first group of pixel units. The array substrate according to claim 1, further comprising a third scan driving circuit disposed in the peripheral area corresponding to both sides of the first display area, and the third scan driving circuit is electrically connected to the first display area, respectively A set of pixel units. The array substrate according to claim 2, further comprising a plurality of gate lines, the gate lines include a first gate line and a second gate line, and the first gate line is disposed on the first display Area, the second gate line is arranged in the second display area, wherein the first gate line is respectively connected to the first scan The driving circuit and the third scan driving circuit, and the second gate line is connected to the second scan driving circuit. The array substrate according to claim 1, wherein the second scan driving circuit is located in the peripheral area of the portion on both sides of the second display area. The array substrate according to claim 1, wherein the first display area is located at one end or opposite ends of the second display area. The array substrate according to claim 1, wherein the first display area includes a through hole, and the through hole may have a closed edge or a non-closed edge. The array substrate according to claim 6, further comprising a plurality of data lines, and the data lines include a stepped portion located at the periphery of the through hole. The array substrate according to claim 7, wherein the step portion includes a first step portion and a second step portion that extend in opposite directions. The array substrate according to claim 1, wherein the contour of the two sides or the single side edge of the first display area is a circular arc shape. The array substrate according to claim 9, wherein the contour of the other side of the first display area is a concave shape. The array substrate according to claim 9, wherein the first group of pixel units includes a first pixel unit, a second pixel unit, and a third pixel unit, wherein the first pixel unit or the third pixel unit Part of the pixel unit may form the arc shape. The array substrate according to claim 10, wherein the first group of pixel units includes a first pixel unit, a second pixel unit, and a third pixel unit, wherein the first pixel unit or the third pixel unit Part of the pixel unit may form the arc shape, and the third part of the pixel unit may form the concave shape. The array substrate according to claim 10, wherein the first scan driving circuit is located in the first display area on both sides of the concave shape, or the first display area between the concave shape and the arc shape . The array substrate according to claim 6, wherein the first scan driving circuit is located in the first display area around the through hole. The array substrate according to claim 1, wherein the width of the first display area is greater than 0 mm and less than 15 mm.

Images