CN106340249B - Special-shaped display panel and pixel structure thereof - Google Patents
Special-shaped display panel and pixel structure thereof Download PDFInfo
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Abstract
The utility model provides a pixel structure of dysmorphism display panel, including display area and black matrix region, the display area is located display panel's display area, black matrix region is located the non-display area of display panel edge, the display area includes a plurality of first pixel unit, a plurality of first pixel unit and black matrix region adjacent arrangement, every first pixel unit includes a plurality of first sub-pixels, the first sub-pixel that the pixel area is great in the first pixel unit has partial pixel area to be filled, make the light-emitting area of each first sub-pixel in the first pixel unit equal. Make each first sub-pixel's in the first pixel unit light-emitting area finally equal through the filling mode, make the colour at display panel edge show evenly, improved the visual effect at display panel edge, solved current special-shaped display panel at the edge color uneven or the problem that the sawtooth appears. And moreover, the filling mode is simple and easy to implement, the influence on the structural design of the existing pixel is small, and the manufacturing cost is favorably reduced.
Description
Technical Field
The present invention relates to the field of display technologies, and in particular, to a special-shaped display panel and a pixel structure thereof.
Background
With the development of science and technology, the requirements of people on screen display are more and more diversified, people no longer only meet the conventional performance indexes of large size, high definition and the like of a display panel, but have higher requirements on the appearance of the display panel.
At present, the appearance of the special-shaped display panel not only enables the display effect to be more diversified, but also improves the limitation of the single rectangular structure of the display panel. The application of shaped display panels has become more widespread and has been successfully applied to wearable electronic devices such as watches, glasses or smart bands. The irregular display panel usually has an irregular display area, such as a circle, a polygon or even a shape with cut edges, and the edges of the irregular display area have irregular shapes, which may result in uneven cutting of the pixel units at the edges of the display panel, and thus, the areas of the pixel units are different, and uneven colors may occur.
Referring to fig. 1, the display panel includes a display area 11 located at the center of the panel and a black matrix area 12 located at the edge of the panel, the display panel has a special-shaped structure, and the black matrix area 12 is located at the peripheral edge of the special-shaped display panel. A pixel structure including a plurality of pixel units 110 is provided in the display region 11, and each pixel unit 110 includes a plurality of sub-pixels. Due to the special-shaped structure of the display panel, the light emitting area of each sub-pixel in the pixel unit 110 closest to the black matrix area 12 is different, and the aperture ratio of each sub-pixel is different, so that uneven color appears at the edge of the special-shaped display panel, and the problem of color difference is caused.
As shown in fig. 2, if the black matrix region 12 is designed to have a zigzag structure at the edge of the panel, the area of each sub-pixel in each row of pixel units 110 closest to the black matrix region 12 can be made the same, but since the black matrix region 12 at the edge of the panel has a zigzag structure, an uneven boundary line and even a zigzag are seen at the edge of the display panel, which may affect the visual effect.
Disclosure of Invention
The invention aims to provide a special-shaped display panel and a pixel structure thereof, which are used for solving the problem that the color of the edge of the existing special-shaped display panel is uneven or sawteeth appear and improving the visual effect of the edge of the display panel.
The technical problem to be solved by the invention is realized by adopting the following technical scheme.
The invention provides a pixel structure of a special-shaped display panel, which comprises a display area and a black matrix area, wherein the display area is positioned in the display area of the display panel, the black matrix area is positioned in a non-display area at the edge of the display panel, the display area comprises a plurality of first pixel units, the first pixel units are arranged adjacent to the black matrix area, each first pixel unit comprises a plurality of first sub-pixels, and part of the first sub-pixels with larger pixel areas in the first pixel units are filled with pixel areas, so that the light emitting areas of the first sub-pixels in the first pixel units are equal.
Furthermore, a part of the pixel area of the first sub-pixel with larger pixel area in the first pixel unit is filled with the black matrix.
Further, the area of each first sub-pixel filled with the black matrix in the first pixel unit increases as the pixel area of each first sub-pixel increases.
Furthermore, each first pixel unit comprises three first sub-pixels, the pixel areas of the three first sub-pixels are different, wherein the first sub-pixel with the smallest pixel area is not filled with the black matrix, the other two first sub-pixels with larger pixel areas are filled with the black matrix, and the area of the first sub-pixel with the larger pixel area filled with the black matrix is larger.
Furthermore, every two first pixel units are used as a group to fill the black matrix, and a part of the pixel area of the first sub-pixel with larger pixel area in every two first pixel units is filled by the black matrix.
Furthermore, a part of the pixel area of the first sub-pixel with larger pixel area in the first pixel unit is filled by the color resistance of the first sub-pixel with smaller pixel area.
Furthermore, the color resistor in the first sub-pixel with smaller pixel area in the first pixel unit protrudes towards the adjacent first sub-pixel with larger pixel area and is filled into the first sub-pixel with larger pixel area.
Further, each first pixel unit comprises three first sub-pixels, the pixel areas of the three first sub-pixels are different, the first sub-pixel with the smallest pixel area protrudes towards and is filled into the first sub-pixel with the middle adjacent pixel area, and the first sub-pixel with the middle pixel area protrudes towards and is filled into the first sub-pixel with the largest adjacent pixel area.
Furthermore, the display area further comprises a plurality of second pixel units, the second pixel units are arranged in a non-adjacent mode with respect to the black matrix area, each second pixel unit comprises a plurality of second sub-pixels, and the width of each first sub-pixel in each first pixel unit is equal to the width of each second sub-pixel in each second pixel unit.
The invention also provides a special-shaped display panel which comprises the pixel structure of the special-shaped display panel.
According to the special-shaped display panel and the pixel structure thereof, aiming at the first pixel unit close to the black matrix area at the edge of the display panel, the light emitting areas of all the first sub-pixels in the first pixel unit are finally equal through a filling mode, so that the aperture ratio is equal, the color display at the edge of the display panel is uniform, the black matrix area is not required to be arranged into a saw-toothed structure, saw teeth are prevented from being seen at the edge of the display panel, the visual effect of the edge of the display panel is improved, and the problem that the color of the edge of the existing special-shaped display panel is uneven or the saw teeth occur is solved. Moreover, the filling mode is simple and easy to implement, the influence on the existing pixel structure design is small, most of the existing processing steps and masks can be used, and the manufacturing cost is reduced.
Drawings
Fig. 1 is a schematic diagram of a part of a pixel structure of a display panel with a special shape in the prior art.
Fig. 2 is another schematic diagram of a part of a pixel structure of a display panel with a special shape in the prior art.
FIG. 3 is a diagram illustrating a portion of a pixel structure of an odd-shaped display panel according to a first embodiment of the present invention.
FIG. 4 is a diagram illustrating a portion of a pixel structure of an odd-shaped display panel according to a second embodiment of the present invention.
FIG. 5 is a diagram illustrating a portion of a pixel structure of an odd-shaped display panel according to a third embodiment of the present invention.
Detailed Description
To further illustrate the technical means and effects of the present invention adopted to achieve the predetermined objects, the following detailed description of the embodiments, structures, features and effects of the present invention will be made with reference to the accompanying drawings and examples.
Fig. 3 is a schematic diagram of a partial pixel structure of an irregular-shaped display panel according to a first embodiment of the present invention, please refer to fig. 3, the pixel structure of the irregular-shaped display panel provided in this embodiment includes a display area 20 and a black matrix area 30, the display area 20 is located in the display area of the display panel, the black matrix area 30 is located in a non-display area at an edge of the display panel, the display area 20 includes a plurality of first pixel units 21 and a plurality of second pixel units 22, the plurality of first pixel units 21 are disposed adjacent to the black matrix area 30, the plurality of second pixel units 22 are disposed non-adjacent to the black matrix area 30, that is, the plurality of first pixel units 21 are located between the black matrix area 30 and the plurality of second pixel units 22. Each first pixel unit 21 includes a plurality of first sub-pixels 211, each second pixel unit 22 includes a plurality of second sub-pixels 221, and the first sub-pixels 211 and the second sub-pixels 221 are, for example, R, G or B sub-pixels, in this embodiment, it is illustrated that each first pixel unit 21 and each second pixel unit 22 respectively include R, G, B three sub-pixels, but the invention is not limited thereto.
The width of each first sub-pixel 211 located in the first pixel unit 21 is equal to the width of each second sub-pixel 221 located in the second pixel unit 22. As shown in fig. 3, in the present embodiment, each data line 40 provided on the display panel is located on one straight line. Specifically, each data line 40 includes a first data line segment 41 located between adjacent first sub-pixels 211 and a second data line segment 42 located between adjacent second sub-pixels 221, and the first data line segment 41 and the second data line segment 42 are located on the same straight line.
As shown in fig. 3, due to the display panel having the special-shaped structure, the black matrix region 30 located at the edge of the display panel covers a part of the pixel area of each first sub-pixel 211 below the first pixel unit 21 (as shown by a dotted line located in the black matrix region 30 in the figure), so that the pixel area of each first sub-pixel 211 in the first pixel unit 21 is not equal, and finally the light emitting area of each first sub-pixel 211 is not equal, thereby causing the problem of display color difference.
In order to solve the color difference phenomenon, a part of the pixel area of the first sub-pixel 211 with a larger pixel area in the first pixel unit 21 is filled, so that the light emitting area of each first sub-pixel 211 in the first pixel unit 21 is finally equal, and the color difference between pixels is effectively reduced. In this embodiment, a part of the first sub-pixel 211 with a larger pixel area in the first pixel unit 21 is filled with the black matrix 212(BM), that is, a part of the pixel area is covered by the black matrix 212 to cover the color resistance, so that the light emitting areas of the first sub-pixels 211 in the first pixel unit 21 are finally equal.
Since the pixel areas of the respective first sub-pixels 211 in the first pixel unit 21 are different, the area of the respective first sub-pixels 211 in the first pixel unit 21 filled with the black matrix 212 increases as the pixel area of the first sub-pixels 211 increases. In this embodiment, each first pixel unit 21 includes three first sub-pixels 211 below, the three first sub-pixels 211 have different pixel areas, wherein the first sub-pixel 211 with the smallest pixel area is not filled with the black matrix 212, the other two first sub-pixels 211 with larger pixel areas are filled with the black matrix 212, and the area of the black matrix 212 filled in the first sub-pixel 211 with larger pixel area is also larger, so that the light emitting areas of the first sub-pixels 211 in the first pixel unit 21 are equalized by using the filled black matrix 212, and the light emitting areas of the first sub-pixels 211 in the first pixel unit 21 are finally equal.
The filling form by the black matrix 212 is not limited, in this embodiment, the black matrix 212 is filled in a dot form, and in other embodiments, the black matrix 212 may also be filled in an elliptical, fan-shaped or polygonal structure.
The shapes of the second sub-pixels 221 under each second pixel unit 22 are the same, and thus the light emitting areas of the second sub-pixels 221 are equal. In this embodiment, the light emitting area of the first sub-pixel 211 may not be equal to the light emitting area of the second sub-pixel 221.
In this embodiment, the black matrix 212 is filled in each first sub-pixel 211 of the first pixel unit 21 to cover the partial color resistance, so that the light emitting area of each first sub-pixel 211 in the first pixel unit 21 is equal, so that the aperture ratio is equal, thereby the color display at the edge of the display panel is uniform, the black matrix region 30 does not need to be set to a saw-toothed structure, the saw teeth are prevented from being seen at the edge of the display panel, the visual effect at the edge of the display panel is improved, and the problem that the color of the existing special-shaped display panel is uneven or the saw teeth appear at the edge is solved. Moreover, the black matrix 212 is easily filled without redesigning the existing pixel structure and changing the structure of the TFT, so most of the existing process steps and masks can be used, which is beneficial to reducing the manufacturing cost.
Fig. 4 is a schematic diagram of a partial pixel structure of an irregular-shaped display panel according to a second embodiment of the invention, please refer to fig. 4, the difference between the present embodiment and the first embodiment is that in the pixel structure of the irregular-shaped display panel provided in the present embodiment, every two first pixel units 21 are used as a group to fill the black matrix 212, and a part of the pixel area of the first sub-pixel 211 with a larger pixel area in every two first pixel units 21 is filled by the black matrix 212, so that the light emitting areas of the first sub-pixels 211 in every two first pixel units 21 are finally equal. In this embodiment, each two first pixel units 21 include six first sub-pixels 211, the six first sub-pixels 211 have different pixel areas, wherein the first sub-pixel 211 with the smallest pixel area is not filled with the black matrix 212, the other five first sub-pixels 211 with larger pixel areas are filled with the black matrix 212, and the area of the first sub-pixel 211 with larger pixel area filled with the black matrix 212 is larger.
Fig. 5 is a schematic diagram of a partial pixel structure of an irregular-shaped display panel according to a third embodiment of the present invention, please refer to fig. 5, which is different from the first embodiment in that, in the pixel structure of the irregular-shaped display panel provided in this embodiment, for the reason that the pixel areas of the first sub-pixels 211 below the first pixel unit 21 are covered by the black matrix region 30, and the pixel areas of the first sub-pixels 211 in the first pixel unit 21 are not equal, and finally the light emitting areas of the first sub-pixels 211 are not equal, so that the problem of display color difference occurs, a partial pixel area of the first sub-pixel 211 with a larger pixel area in the first pixel unit 21 is not filled by the black matrix 212 as in the first embodiment, but is filled by a color resistance protruding from the first sub-pixel 211 with a smaller pixel area.
The color resists in the first sub-pixels 211 with smaller pixel areas in the first pixel unit 21 protrude toward the adjacent first sub-pixels 211 with larger pixel areas and are filled in the first sub-pixels 211 with larger pixel areas, so that the light emitting areas of the first sub-pixels 211 in the first pixel unit 21 are equal finally. Specifically, the first sub-pixel 211 with a larger pixel area is recessed to form a notch at a side close to the first sub-pixel 211 with a smaller adjacent pixel area, and the color resistor in the first sub-pixel 211 with a smaller pixel area protrudes toward the first sub-pixel 211 with a larger adjacent pixel area and fills the notch.
In this embodiment, each first pixel unit 21 includes three first sub-pixels 211 below, the pixel areas of the three first sub-pixels 211 are different, wherein the first sub-pixel 211 with the smallest pixel area (in the figure, the R sub-pixel) protrudes toward and fills the first sub-pixel 211 with the central neighboring pixel area (in the figure, the G sub-pixel), while the first sub-pixel 211 with the central pixel area (G sub-pixel in the figure) protrudes towards the first sub-pixel 211 with the largest adjacent pixel area (B sub-pixel in the figure) and fills the first sub-pixel 211 with the largest pixel area (B sub-pixel in the figure), therefore, the light emitting areas of the first sub-pixels 211 in the first pixel unit 21 are equalized by filling color resistances with each other, so that the light emitting areas of the first sub-pixels 211 in the first pixel unit 21 are finally equal.
In this embodiment, since color resistance filling is performed between adjacent first sub-pixels 211, a pixel structure of the first sub-pixels 211 needs to be locally changed, for example, the first data line segment 41 of each data line 40 needs to be bent to meet the need of color resistance filling. However, since the color resistance filling position is located at the side position between the adjacent first sub-pixels 211, the structure and arrangement of the TFT will not be affected, and thus the design impact on the original structure can be minimized.
The invention also provides a special-shaped display panel which comprises the pixel structure.
According to the special-shaped display panel and the pixel structure thereof provided by the embodiment of the invention, aiming at the first pixel unit 21 close to the position of the black matrix area 30 at the edge of the display panel, the light-emitting areas of the first sub-pixels 211 in the first pixel unit 21 are finally equal in a way of filling the black matrix 212 or mutually filling color resistors, so that the aperture ratio is equal, the color display at the edge of the display panel is uniform, the black matrix area 30 is not required to be arranged into a zigzag structure, the saw teeth are prevented from being seen at the edge of the display panel, the visual effect at the edge of the display panel is improved, and the problem that the color of the existing special-shaped display panel is uneven or the saw teeth are caused at the edge is solved. Moreover, the filling mode is simple and easy to implement, the influence on the existing pixel structure design is small, most of the existing processing steps and masks can be used, and the manufacturing cost is reduced.
As used herein, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, including not only those elements listed, but also other elements not expressly listed.
In this document, the terms front, back, upper and lower are used to define the components in the drawings and the positions of the components relative to each other, and are used for clarity and convenience of the technical solution. It is to be understood that the use of the directional terms should not be taken to limit the scope of the claims.
The features of the embodiments and embodiments described herein above may be combined with each other without conflict.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.
Claims (4)
1. A pixel structure of a specially shaped display panel, comprising a display region (20) and a black matrix region (30), wherein the display region (20) is located in the display region of the display panel, the black matrix region (30) is located in the non-display region of the edge of the display panel, a boundary line with smooth transition is arranged between the display region (20) and the black matrix region (30), the display region (20) comprises a plurality of first pixel units (21), the plurality of first pixel units (21) are arranged adjacent to the black matrix region (30), each first pixel unit (21) comprises a plurality of first sub-pixels (211), characterized in that the pixel areas of the first sub-pixels (211) in the first pixel units (21) are different, and the color resistance in the first sub-pixel (211) with smaller pixel area in the first pixel unit (21) protrudes towards the first sub-pixel (211) with larger pixel area in the adjacent pixel and is filled in the first sub-pixel (211) with larger pixel area In the first sub-pixel (211) with a larger area, a part of the pixel area of the first sub-pixel (211) with a larger pixel area in the first pixel unit (21) is filled by the color resistance protruded from the adjacent first sub-pixel (211) with a smaller pixel area, and the filling position is located in the gap formed by the first sub-pixel (211) with a larger pixel area in the depression close to one side of the adjacent first sub-pixel (211) with a smaller pixel area, so that the light emitting areas of the first sub-pixels (211) in the first pixel unit (21) are equal.
2. The pixel structure of the special-shaped display panel as claimed in claim 1, wherein each first pixel unit (21) comprises three first sub-pixels (211), the three first sub-pixels (211) have different pixel areas, wherein the first sub-pixel (211) with the smallest pixel area protrudes towards and fills the first sub-pixel (211) with the central neighboring pixel area, and the first sub-pixel (211) with the central pixel area protrudes towards and fills the first sub-pixel (211) with the largest neighboring pixel area.
3. The pixel structure of the shaped display panel according to any of claims 1 to 2, wherein the display area (20) further comprises a plurality of second pixel units (22), the plurality of second pixel units (22) being disposed non-adjacent to the black matrix area (30), each second pixel unit (22) comprising a plurality of second sub-pixels (221), a width of each first sub-pixel (211) located within the first pixel unit (21) being equal to a width of each second sub-pixel (221) located within the second pixel unit (22).
4. A shaped display panel comprising the pixel structure of the shaped display panel according to any of claims 1 to 2.
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| CN105911744B (en) * | 2016-06-29 | 2020-10-09 | 上海天马微电子有限公司 | Display panel and display device |
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