CN107479234B - Special-shaped display panel and display device - Google Patents

Special-shaped display panel and display device Download PDF

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Publication number
CN107479234B
CN107479234B CN201710745014.XA CN201710745014A CN107479234B CN 107479234 B CN107479234 B CN 107479234B CN 201710745014 A CN201710745014 A CN 201710745014A CN 107479234 B CN107479234 B CN 107479234B
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pixel
shaped
special
sub
pixels
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CN107479234A (en
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马扬昭
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Xiamen Tianma Microelectronics Co Ltd
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Xiamen Tianma Microelectronics Co Ltd
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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
    • 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
    • G02F1/1345—Conductors connecting electrodes to cell terminals
    • G02F1/13452—Conductors connecting driver circuitry and terminals of panels
    • 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
    • G02F1/133388—Constructional arrangements; Manufacturing methods with constructional differences between the display region and the peripheral region

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  • Physics & Mathematics (AREA)
  • Nonlinear Science (AREA)
  • Mathematical Physics (AREA)
  • Chemical & Material Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Electroluminescent Light Sources (AREA)
  • Devices For Indicating Variable Information By Combining Individual Elements (AREA)

Abstract

The invention discloses a special-shaped display panel and a display device. The display area of the special-shaped display panel is provided with a special-shaped boundary; the display area comprises a plurality of sub-pixels, the sub-pixels are arranged along a first direction to form pixel rows, the sub-pixels are arranged along a second direction to form pixel columns, the first sub-pixels, the second sub-pixels and the third sub-pixels which are positioned in the same pixel row form pixels of the special-shaped display panel, the pixels comprise special-shaped pixels and non-special-shaped pixels, the special-shaped pixels comprise first special-shaped pixels and second special-shaped pixels, and the openings are larger than zero and smaller than the openings of the non-special-shaped pixels; in a first direction from the frame area to the display area, the non-special-shaped pixel and the second special-shaped pixel respectively comprise a first sub-pixel, a second sub-pixel and a third sub-pixel in sequence, and the first special-shaped pixel sequentially comprises a third sub-pixel, a second sub-pixel and a first sub-pixel. The special-shaped display panel and the display device provided by the invention improve the color cast problem of the special-shaped boundary area and improve the display effect of the display panel.

Description

Special-shaped display panel and display device
Technical Field
The invention relates to the technical field of display, in particular to a special-shaped display panel and a display device.
Background
With the application of display technology in intelligent wearing and other portable electronic devices, the appearance of the display panel has diversified requirements, and a special-shaped display panel appears. Compared with the conventional display panel, the special-shaped display panel is mainly different in that the display area of the special-shaped display panel is in a non-rectangular special shape, such as a circle, a ring, a diamond and the like.
In a prior art, fig. 1 is a schematic diagram of a part of pixels of a special-shaped display panel in the prior art, and as shown in fig. 1, in order to adapt to a special-shaped edge 20' of a special-shaped display panel 10', a part of sub-pixels sp ' are removed at a position close to the special-shaped edge 20', and a plurality of step regions 30' are formed. In the special-shaped display panel, after sub-pixels are simply removed, larger steps appear at different positions, so that the special-shaped edge 20 'of the display panel presents zigzag lines during display, the patterns at the edge position are not smooth, and the display effect of the special-shaped edge 20' area is influenced.
In another prior art, fig. 2 is a schematic diagram of a part of pixels of another special-shaped display panel in the prior art, and as shown in fig. 2, in order to adapt to a special-shaped edge 20 "of a special-shaped display panel 10", a part of sub-pixels sp "are blocked, so as to solve the above sawtooth problem, however, the inventor finds that the proportion of blocked parts RGB is different, so that the mixed chromaticity cannot represent the actually required chromaticity, which causes the chromaticity abnormality of the special-shaped edge 20", and further causes the display effect of the special-shaped display panel 10 "to be poor.
Therefore, it is an urgent need to solve the problem in the art to provide a display panel and a display device with improved display effect of the display panel in the special-shaped edge area.
Disclosure of Invention
In view of this, the present invention provides a special-shaped display panel and a display device, which solve the technical problem of improving the display effect of the special-shaped edge area of the display panel.
In order to solve the above technical problem, the present invention provides a special-shaped display panel, including,
the display area is provided with a special-shaped boundary;
the display area comprises a plurality of sub-pixels, the sub-pixels are arranged along a first direction to form pixel rows, the sub-pixels are arranged along a second direction to form pixel columns, and the first sub-pixel, the second sub-pixel and the third sub-pixel which are positioned in the same pixel row form pixels of the special-shaped display panel, wherein the first sub-pixel, the second sub-pixel and the third sub-pixel are three sub-pixels with different colors, and the first direction is vertical to the second direction;
the pixels comprise special-shaped pixels and non-special-shaped pixels, wherein the special-shaped pixels are adjacent to the special-shaped boundaries, and the openings of the special-shaped pixels are larger than zero and smaller than the openings of the non-special-shaped pixels;
the special-shaped pixels comprise a first special-shaped pixel and a second special-shaped pixel;
in a first direction pointing to the display area from the frame area, the non-special-shaped pixel and the second special-shaped pixel respectively comprise a first sub-pixel, a second sub-pixel and a third sub-pixel in sequence, and the first special-shaped pixel sequentially comprises the third sub-pixel, the second sub-pixel and the first sub-pixel.
Further, in order to solve the above technical problem, the present invention provides a display device including any one of the special-shaped display panels provided by the present invention.
Compared with the prior art, the special-shaped display panel and the display device have the beneficial effects that:
according to the special-shaped display panel and the display device, the special-shaped pixels are arranged at the positions close to the special-shaped boundaries, the opening areas of the sub-pixels of the special-shaped pixels are smaller, compared with a panel which is formed by directly removing the pixels at the positions close to the special-shaped boundaries to form sawteeth in the prior art, the problem of the sawteeth of the special-shaped edges can be solved as the pixels are also arranged between the step areas and the special-shaped boundaries; according to the invention, the first special-shaped pixel with the inverted sub-pixel arrangement sequence arranged near the special-shaped boundary can compensate the difference of the openings of the sub-pixels with different colors in the special-shaped pixel and the openings of the sub-pixels with different colors in the non-special-shaped pixel, so that the risk of abnormal color mixing and chromaticity of the special-shaped pixel is reduced, the problem of color cast of the special-shaped boundary area is improved, and the display effect of the display panel is improved.
Other features of the present invention and advantages thereof will become apparent from the following detailed description of exemplary embodiments thereof, which proceeds with reference to the accompanying drawings.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description, serve to explain the principles of the invention.
FIG. 1 is a schematic diagram of a portion of a pixel of a prior art display panel;
FIG. 2 is a schematic diagram of a portion of a pixel of another prior art display panel with a special shape;
FIG. 3 is a schematic diagram of a portion of a special-shaped display panel according to an embodiment of the present invention;
FIG. 4 is a schematic diagram of a first special-shaped pixel provided in an embodiment of the invention;
FIG. 5 is a diagram illustrating a second example of an anomalous pixel in accordance with the present invention;
FIG. 6 is a schematic diagram illustrating a first special-shaped pixel driving connection manner in the display panel according to the present invention;
FIG. 7 is a schematic diagram of another alternative embodiment of the first special-shaped pixel driving connection manner in the display panel according to the present invention;
FIG. 8 is a schematic diagram of another alternative embodiment of the first special-shaped pixel driving connection in the display panel according to the present invention;
FIG. 9 is a schematic diagram of another alternative embodiment of the first special-shaped pixel driving connection in the display panel according to the present invention;
FIG. 10 is a schematic view of an alternative embodiment of the first irregular pixel driving connection in the display panel according to the present invention;
fig. 11 is a schematic top view of a display device according to an embodiment of the invention.
Detailed Description
Various exemplary embodiments of the present invention will now be described in detail with reference to the accompanying drawings. It should be noted that: the relative arrangement of the components and steps, the numerical expressions and numerical values set forth in these embodiments do not limit the scope of the present invention unless specifically stated otherwise.
The following description of at least one exemplary embodiment is merely illustrative in nature and is in no way intended to limit the invention, its application, or uses.
Techniques, methods, and apparatus known to those of ordinary skill in the relevant art may not be discussed in detail but are intended to be part of the specification where appropriate.
In all examples shown and discussed herein, any particular value should be construed as merely illustrative, and not limiting. Thus, other examples of the exemplary embodiments may have different values.
It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, further discussion thereof is not required in subsequent figures.
The invention relates to a display panel which comprises an array substrate, a color film substrate and a liquid crystal layer arranged between the array substrate and the color film substrate. The array substrate comprises a pixel electrode, a common electrode and thin film transistors arranged in an array mode, and the color film substrate comprises a black matrix and a color resistance layer. An electric field for controlling the deflection of liquid crystal molecules can be formed between the pixel electrode and the common electrode, light irradiates the liquid crystal molecule layer after penetrating through the array substrate, is emitted to the color film substrate after the deflection of the liquid crystal molecules, and can be emitted by the light of three colors of red, green and blue on the surface of the display panel after passing through the color resistors of the three colors of red, green and blue on the color film substrate, and finally, pattern display is formed on the surface of the display panel.
The display panel provided by the invention is a special-shaped display panel, the display area of the special-shaped display panel comprises a special-shaped edge, the pixel part at the position of the special-shaped edge is shielded by a black matrix to form a special-shaped pixel, and the difference of the openings of the sub-pixels with different colors in the special-shaped pixel and the openings of the sub-pixels with different colors in the non-special-shaped pixel is reduced by arranging the reverse arrangement sequence of the sub-pixels with different colors in the first special-shaped pixel, so that the risk of abnormal color mixing and chromaticity of the special-shaped pixel is reduced.
The invention provides a special-shaped display panel, and fig. 3 is a partial schematic view of the special-shaped display panel provided by the embodiment of the invention, as shown in fig. 3, the special-shaped display panel includes a display area AA and a frame area BA, the display area AA has a special-shaped boundary Y, the special-shaped boundary Y can be in the shape of an arc, a curve, and the like, the display area AA includes a plurality of sub-pixels sp, the plurality of sub-pixels sp are arranged along a first direction a to form a pixel row spA, and arranged along a second direction B to form a pixel column spB, the first sub-pixel 1, the second sub-pixel 2, and the third sub-pixel 3 located on the same pixel row spA constitute a pixel P of the special-shaped display panel, wherein the first sub-pixel 1, the second sub-pixel 2, and the third sub-pixel 3 are three sub-pixels sp with different colors, for example, the first sub-pixel 1 is R (red), the second sub-pixel 2 is G (green), and the third sub-pixel sp3 is B (, the first direction a is vertical to the second direction b; the pixels comprise special-shaped pixels PA and non-special-shaped pixels PB, wherein the special-shaped pixels PA are adjacent to the special-shaped boundaries Y, and the openings of the special-shaped pixels PA are larger than zero and smaller than the openings of the non-special-shaped pixels PB; the special-shaped pixel PA comprises a first special-shaped pixel PA1 and a second special-shaped pixel PA 2; in a first direction a pointing to the display area AA from the frame area BA, the non-heteromorphic pixel PB and the second heteromorphic pixel PA2 sequentially include a first sub-pixel 1, a second sub-pixel 2, and a third sub-pixel 3, respectively, and the first heteromorphic pixel PA1 sequentially includes the third sub-pixel 3, the second sub-pixel 2, and the first sub-pixel 1.
In the invention, the special-shaped pixel is arranged at the position close to the special-shaped boundary, the opening area of the sub-pixel of the special-shaped pixel is smaller, compared with a panel which directly removes the pixel at the position close to the special-shaped boundary to form sawteeth (as shown in figure 1, sawteeth are formed in each step area) in the prior art, the problem of the sawteeth of the special-shaped edge can be improved as the pixel is also arranged between the step areas and the special-shaped boundary; the first special-shaped pixel PA1 and the second special-shaped pixel PA2 can be adjacently arranged or not adjacently arranged as shown in figure 3, the first special-shaped pixel with the reverse arrangement sequence of the sub-pixels arranged near the special-shaped boundary can compensate the difference of the openings of the sub-pixels with different colors in the special-shaped pixel and the openings of the sub-pixels with different colors in the non-special-shaped pixel, the risk of abnormal color mixing and chromaticity of the special-shaped pixel is reduced, the problem of color cast of a special-shaped boundary area is solved, and the display effect of a display panel is improved.
In the present invention, fig. 4 is a schematic diagram of a first special-shaped pixel provided by an embodiment of the present invention, and fig. 5 is a schematic diagram of a second special-shaped pixel provided by an embodiment of the present invention, as shown in fig. 4 and fig. 5, the first special-shaped pixel sequentially includes a third sub-pixel 3, a second sub-pixel 2, and a first sub-pixel 1, the second special-shaped pixel sequentially includes a first sub-pixel 1, a second sub-pixel 2, and a third sub-pixel 3, openings of the first special-shaped pixel and the second special-shaped pixel are greater than zero, and openings of some sub-pixels in the first special-shaped pixel and the second special-shaped pixel may be zero.
Further, in some alternative embodiments, the openings of the same color sub-pixels in the first shaped pixel and the second shaped pixel and the openings of the corresponding color sub-pixels in the non-shaped pixels are equal. The color of the single pixel which is finally displayed is formed after the sub-pixels with different colors are mixed when the display panel displays, in the embodiment, when two special-shaped pixels are simultaneously started, the two special-shaped pixels are equivalent to a non-special-shaped pixel, the mixed color chromaticity of the special-shaped pixels is the same as the mixed color chromaticity of the non-special-shaped pixels when the display panel displays, and the special-shaped edge area has no chromaticity abnormal problem.
Further, in some alternative embodiments, the invention provides a special-shaped display panel, wherein the sub-pixels are driven by thin film transistors; in the first special-shaped pixel, each sub-pixel with an opening which is not zero and one sub-pixel which does not belong to the first special-shaped pixel are driven by the same thin film transistor, wherein the two sub-pixels driven by the same thin film transistor have the same color and are positioned in two adjacent pixels. And the sub-pixels driven by the same thin film transistor as the sub-pixels of the first special-shaped pixel belong to the same pixel or belong to different pixels respectively.
In the invention, the arrangement modes of different color sub-pixels of the first special-shaped pixel are different from the arrangement modes of different color sub-pixels in the non-special-shaped pixel, the first special-shaped pixel can be driven by improving the pixel driving logic in the IC after the sub-pixels in the first special-shaped pixel are arranged reversely, or the scheme can be realized by adopting the scheme of the invention, the sub-pixels with reversed arrangement and other sub-pixels share the thin film transistor without changing the IC control logic, the thin film transistor for controlling the sub-pixels in the first special-shaped pixel is not manufactured, or the thin film transistor is manufactured uniformly without arranging a wiring for connecting a source electrode and a drain electrode, the implementation mode adopts the mode of sharing the thin film transistor to control the first special-shaped pixel, and the process is simple.
Further, in the present invention, fig. 6 is a schematic diagram of a driving connection manner of the first special-shaped pixel in the display panel provided by the present invention, as shown in fig. 6, in the first special-shaped pixel PA1, each sub-pixel sp with a non-zero opening is driven by the same thin film transistor 101 as the sub-pixel sp with the same color, which does not belong to the first special-shaped pixel PA1, and the pixel electrodes 102 of the two sub-pixels sp driven by the same thin film transistor 101 are connected.
When the same thin film transistor controls the two sub-pixels, the data lines and the grid lines of the two sub-pixels can be respectively connected to the shared thin film transistor, but the wiring is complicated, the pixel electrodes of the two sub-pixels are directly connected, the control of the two sub-pixels by the same thin film transistor is realized, and the process is simple.
Further, as shown in fig. 6, the pixel electrodes 102 of two sub-pixels sp driven by the same thin film transistor 101 are connected via an electrode connection portion 103; the electrode connection portion 103 is located in the same film layer as the pixel electrode 102, and the electrode connection portion 103 is located in the non-opening area F of the pixel.
In the embodiment, the electrode connecting part and the pixel electrode are positioned on the same film layer and are manufactured in the same process, through holes are not needed to be arranged in the same-layer connection, the process is saved, the method is simple and economical, and the electrode connecting part is arranged in a non-opening area of the pixel, so that the opening rate of the pixel is not influenced.
Alternatively, as shown in fig. 6, the sub-pixels sp driven by the same thin film transistor 101 as the sub-pixel sp of the first special-shaped pixel PA1 belong to the same pixel. In the embodiment, the control of the first special-shaped pixel can be realized only by changing the connection mode of the thin film transistor in one pixel, and the manufacturing process is relatively simple.
Furthermore, each sub-pixel driven by the same thin film transistor as the sub-pixel of the first special-shaped pixel belongs to the second special-shaped pixel. In the embodiment, the first special-shaped pixel and the second special-shaped pixel are opened or closed together, which is equivalent to forming a non-special-shaped pixel, the color mixture chromaticity of the special-shaped pixel is the same as the color mixture chromaticity of the non-special-shaped pixel when displaying, and the abnormal chromaticity problem does not exist in the special-shaped edge area.
Specifically, in an embodiment, fig. 7 is a schematic diagram of another alternative embodiment of a driving connection manner of a first special-shaped pixel in a display panel provided by the present invention, as shown in fig. 7, a first special-shaped pixel PA1 and a second special-shaped pixel PA2 are located in the same pixel row spA adjacent to a special-shaped boundary Y; the apertures of the respective first sub-pixel 1, second sub-pixel 2 and third sub-pixel 3 in the first and second contour pixels PA1 and PA2 are all non-zero; the first specially-shaped pixel PA1 and the second specially-shaped pixel PA2 are connected by three electrode connection portions 103, and the three electrode connection portions 103 are all located in an area where the black matrix BM between the pixel row spA to which the first specially-shaped pixel PA1 belongs and the frame area BA is located.
Specifically, in another embodiment, fig. 8 is a schematic diagram of another alternative embodiment of the driving connection manner of the first special-shaped pixel in the display panel provided by the present invention, as shown in fig. 8, the first special-shaped pixel PA1 and the second special-shaped pixel PA2 are located in the same pixel column spB adjacent to the special-shaped boundary Y; the opening of the third sub-pixel 3 in the first odd pixel PA1 is zero and the opening of the third sub-pixel 3 in the second odd pixel PA2 is equal to the opening of the third sub-pixel 3 of the non-odd pixel; the first sub-pixel 1 in the first shaped pixel PA1 is connected to the first sub-pixel 1 in the second shaped pixel PA2 by a first electrode connection 1031, the first electrode connection 1031 passing through the third sub-pixel 3 of the first shaped pixel PA 1; the second sub-pixel 2 in the first odd-shaped pixel PA1 and the second sub-pixel 2 in the second odd-shaped pixel PA2 are connected by a second electrode connection 1032, and the second electrode connection 1032 is located in a region where the black matrix BM is located between the first odd-shaped pixel PA1 and the second odd-shaped pixel PA 2.
Specifically, in an embodiment, fig. 9 is a schematic diagram of another alternative embodiment of a driving connection manner of a first special-shaped pixel in a display panel provided by the present invention, as shown in fig. 9, a pixel row spA where the first special-shaped pixel PA1 is located is adjacent to a pixel row where the second special-shaped pixel PA2 is located, and a pixel column where the first special-shaped pixel PA1 is located is adjacent to a pixel column where the second special-shaped pixel PA2 is located; the pixel also comprises a full black pixel H with zero opening, the full black pixel H and the first special-shaped pixel PA1 are positioned in the same pixel row, and the full black pixel H and the second special-shaped pixel PA2 are positioned in the same pixel column; the openings of the sub-pixels in the first and second contour pixels PA1 and PA2 are not zero; the first and second contour pixels PA1, PA2 pass through three electrode connections 103, which all pass through the all-black pixel H.
Optionally, in the present invention, each sub-pixel driven by the same thin film transistor as the sub-pixel of the first special-shaped pixel does not belong to the same pixel.
Specifically, in an alternative embodiment, fig. 10 is a schematic diagram of another alternative embodiment of a driving connection manner of a first special-shaped pixel in a display panel provided by the present invention, as shown in fig. 10, in a first direction a pointing to a display area from a frame area, a first pixel P1, a first special-shaped pixel PA1, and a second pixel P2 are sequentially adjacent; in a second direction b directed to the display area by the bezel area, the first heteromorphic pixel PA1 and the third pixel P3 are sequentially adjacent; the third sub-pixel 3 of the first pixel P1 and the third sub-pixel 3 of the first special-shaped pixel PA1 are driven by the same thin film transistor 101, the first sub-pixel 1 of the second pixel P2 and the first sub-pixel 1 of the first special-shaped pixel PA1 are driven by the same thin film transistor 101, and the second sub-pixel 2 of the third pixel P3 and the second sub-pixel 2 of the first special-shaped pixel PA1 are driven by the same thin film transistor 101.
In this embodiment, the sub-pixels with different colors in the first special-shaped pixel are respectively controlled by the sub-pixels with the same color in the pixel closest to the first special-shaped pixel, and when the two sub-pixels with the same color are connected, the connecting part is short, the occupied space is small, and the pixel aperture ratio is not affected.
It should be noted that the positions and connection manners of the first special-shaped pixel and the second special-shaped pixel are not limited to the above embodiments, and the first special-shaped pixel and the second special-shaped pixel exist in the special-shaped boundary area of the display panel, and the scheme that the sub-pixels with different colors are controlled by the same thin film transistor respectively is within the protection scope of the present invention.
Further, the invention also provides a display device which comprises any one of the special-shaped display panels provided by the embodiment of the invention. Fig. 11 is a schematic top view of a display device according to an embodiment of the invention. As shown in fig. 11, the display panel of the display device is a special-shaped display panel, and includes a display area AA and a frame area BA, where the display area AA has a special-shaped edge Y. Compared with a panel which is formed by directly removing pixels at the position close to the special-shaped boundary to form sawteeth in the prior art, the display device provided by the invention is equivalent to a display device which is provided with pixels between a step area and the special-shaped boundary, so that the problem of the sawteeth of the special-shaped edge can be solved; according to the invention, the first special-shaped pixel with the inverted sub-pixel arrangement sequence arranged near the special-shaped boundary can compensate the difference of the openings of the sub-pixels with different colors in the special-shaped pixel and the openings of the sub-pixels with different colors in the non-special-shaped pixel, so that the risk of abnormal color mixing and chromaticity of the special-shaped pixel is reduced, the problem of color cast of the special-shaped boundary area is improved, and the display effect of the display panel is improved.
According to the embodiment, the special-shaped display panel and the display device disclosed by the invention have the following beneficial effects:
according to the special-shaped display panel and the display device, the special-shaped pixels are arranged at the positions close to the special-shaped boundaries, the opening areas of the sub-pixels of the special-shaped pixels are smaller, compared with a panel which is formed by directly removing the pixels at the positions close to the special-shaped boundaries to form sawteeth in the prior art, the problem of the sawteeth of the special-shaped edges can be solved as the pixels are also arranged between the step areas and the special-shaped boundaries; according to the invention, the first special-shaped pixel with the inverted sub-pixel arrangement sequence arranged near the special-shaped boundary can compensate the difference of the openings of the sub-pixels with different colors in the special-shaped pixel and the openings of the sub-pixels with different colors in the non-special-shaped pixel, so that the risk of abnormal color mixing and chromaticity of the special-shaped pixel is reduced, the problem of color cast of the special-shaped boundary area is improved, and the display effect of the display panel is improved.
Although some specific embodiments of the present invention have been described in detail by way of examples, it should be understood by those skilled in the art that the above examples are for illustrative purposes only and are not intended to limit the scope of the present invention. It will be appreciated by those skilled in the art that modifications may be made to the above embodiments without departing from the scope and spirit of the invention. The scope of the invention is defined by the appended claims.

Claims (11)

1. A special-shaped display panel is characterized by comprising,
the display area is provided with a special-shaped boundary;
the display area comprises a plurality of sub-pixels, the sub-pixels are arranged along a first direction to form a pixel row, the sub-pixels are arranged along a second direction to form a pixel column, and a first sub-pixel, a second sub-pixel and a third sub-pixel which are positioned in the same pixel row form a pixel of the special-shaped display panel, wherein the first sub-pixel, the second sub-pixel and the third sub-pixel are three sub-pixels with different colors, and the first direction is vertical to the second direction;
the pixels comprise special-shaped pixels and non-special-shaped pixels, wherein the special-shaped pixels are adjacent to the special-shaped boundaries, and the openings of the special-shaped pixels are larger than zero and smaller than the openings of the non-special-shaped pixels;
the special-shaped pixels comprise first special-shaped pixels and second special-shaped pixels;
in the first direction from the frame area to the display area, the non-special-shaped pixel and the second special-shaped pixel respectively sequentially include the first sub-pixel, the second sub-pixel and the third sub-pixel, and the first special-shaped pixel sequentially includes the third sub-pixel, the second sub-pixel and the first sub-pixel; the sum of the opening areas of the sub-pixels of the same color in the first odd-shaped pixel and the second odd-shaped pixel is equal to the opening area of the sub-pixel of the corresponding color in the non-odd-shaped pixel;
the sub-pixels are driven by thin film transistors;
in the first special-shaped pixel, each sub-pixel with a non-zero opening is driven by the same thin film transistor as one sub-pixel which does not belong to the first special-shaped pixel, wherein the two sub-pixels driven by the same thin film transistor have the same color; and each sub-pixel driven by the same thin film transistor as the sub-pixel of the first special-shaped pixel belongs to the second special-shaped pixel.
2. The shaped display panel according to claim 1,
and two sub-pixels driven by the same thin film transistor are positioned in two adjacent pixels.
3. The shaped display panel according to claim 2,
and the pixel electrodes of the two sub-pixels driven by the same thin film transistor are connected.
4. The shaped display panel according to claim 3,
the pixel electrodes of the two sub-pixels driven by the same thin film transistor are connected through an electrode connecting part;
the electrode connecting part and the pixel electrode are positioned on the same film layer, and the electrode connecting part is positioned in a non-opening area of the pixel.
5. The shaped display panel according to any of claims 2 to 4,
and the sub-pixels driven by the same thin film transistor as the sub-pixels of the first special-shaped pixel belong to the same pixel.
6. The shaped display panel according to claim 1,
the first special-shaped pixel and the second special-shaped pixel are positioned in the same pixel row adjacent to the special-shaped boundary;
the openings of the sub-pixels in the first special-shaped pixel and the second special-shaped pixel are not zero;
the first special-shaped pixel and the second special-shaped pixel are connected through three electrode connecting parts, and the three electrode connecting parts are all located in an area where a black matrix between a pixel row to which the first special-shaped pixel belongs and the frame area is located.
7. The shaped display panel according to claim 1,
the first special-shaped pixel and the second special-shaped pixel are positioned in the same pixel column adjacent to the special-shaped boundary;
the opening of the third sub-pixel in the first non-shaped pixel is zero and the opening of the third sub-pixel in the second non-shaped pixel is equal to the opening of the third sub-pixel of the non-shaped pixel;
the first sub-pixel in the first special-shaped pixel is connected with the first sub-pixel in the second special-shaped pixel through a first electrode connecting part, and the first electrode connecting part passes through the third sub-pixel of the first special-shaped pixel;
the second sub-pixel in the first special-shaped pixel and the second sub-pixel in the second special-shaped pixel are connected through a second electrode connecting portion, and the second electrode connecting portion is located in an area where a black matrix between the first special-shaped pixel and the second special-shaped pixel is located.
8. The shaped display panel according to claim 1,
the pixel row where the first special-shaped pixel is located is adjacent to the pixel row where the second special-shaped pixel is located, and the pixel column where the first special-shaped pixel is located is adjacent to the pixel column where the second special-shaped pixel is located;
the pixels also comprise full black pixels with zero openings, and the full black pixels and the first special-shaped pixels are positioned in the same pixel row and the second special-shaped pixels are positioned in the same pixel column;
the openings of the sub-pixels in the first special-shaped pixel and the second special-shaped pixel are not zero;
the first special-shaped pixel and the second special-shaped pixel are connected through three electrode connecting parts, and the three electrode connecting parts pass through the all-black pixel.
9. The shaped display panel according to any of claims 2 to 4,
and the sub-pixels driven by the same thin film transistor as the sub-pixels of the first special-shaped pixel do not belong to the same pixel.
10. The shaped display panel according to claim 9,
in the first direction from the frame area to the display area, a first pixel, the first special-shaped pixel and a second pixel are adjacent in sequence;
in the second direction from the frame area to the display area, the first special-shaped pixel and the third pixel are adjacent in sequence;
the third sub-pixel of the first pixel and the third sub-pixel of the first special-shaped pixel are driven by the same thin film transistor, the first sub-pixel of the second pixel and the first sub-pixel of the first special-shaped pixel are driven by the same thin film transistor, and the second sub-pixel of the third pixel and the second sub-pixel of the first special-shaped pixel are driven by the same thin film transistor.
11. A display device characterized by comprising the shaped display panel according to any one of claims 1 to 10.
CN201710745014.XA 2017-08-25 2017-08-25 Special-shaped display panel and display device Active CN107479234B (en)

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