CN107479269B - Special-shaped display panel and display device - Google Patents
Special-shaped display panel and display device Download PDFInfo
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- CN107479269B CN107479269B CN201710743519.2A CN201710743519A CN107479269B CN 107479269 B CN107479269 B CN 107479269B CN 201710743519 A CN201710743519 A CN 201710743519A CN 107479269 B CN107479269 B CN 107479269B
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- 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
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Abstract
The invention discloses a special-shaped display panel and a display device. The special-shaped display panel comprises a first substrate and a second substrate which are oppositely arranged, and a liquid crystal layer arranged between the first substrate and the second substrate; the special-shaped display panel comprises a display area and a frame area, and the display area is provided with a special-shaped edge; the second substrate comprises a black matrix, the black matrix divides the display area into a plurality of sub-pixels, at least three sub-pixels with different colors form a pixel, the pixel comprises an abnormal-shaped pixel and a non-abnormal-shaped pixel, wherein a part of opening areas of the sub-pixels close to the frame area is shielded to form an abnormal-shaped edge, and the pixels adjacent to the abnormal-shaped edge are the abnormal-shaped pixels; the luminance ratio of the different colored sub-pixels in the non-shaped pixels is equal to the luminance ratio of the different colored sub-pixels in the shaped pixels. According to the special-shaped display panel and the display device, the chromaticity abnormity at the special-shaped edge is improved, and the display effect of the display panel is improved.
Description
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 problems, the present invention provides a special-shaped display panel,
the special-shaped display panel comprises a first substrate and a second substrate which are oppositely arranged, and a liquid crystal layer arranged between the first substrate and the second substrate;
the special-shaped display panel comprises a display area and a frame area, and the display area is provided with a special-shaped edge;
the first substrate comprises a common electrode, a pixel electrode and a plurality of thin film transistors, wherein an electric field for deflecting liquid crystal molecules of the liquid crystal layer is formed between the common electrode and the pixel electrode;
the second substrate comprises a black matrix, the black matrix divides the display area into a plurality of sub-pixels, at least three sub-pixels with different colors form a pixel, the pixel comprises an abnormal-shaped pixel and a non-abnormal-shaped pixel, wherein a part of opening areas of the sub-pixels close to the frame area is shielded to form an abnormal-shaped edge, and the pixels adjacent to the abnormal-shaped edge are the abnormal-shaped pixels;
the luminance ratio of the different colored sub-pixels in the non-shaped pixels is equal to the luminance ratio of the different colored sub-pixels in the shaped pixels.
In order to solve the technical problem, the invention further provides a display device which comprises any one of the special-shaped display panels provided by the 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, part of the opening area of the sub-pixels close to the frame area in the special-shaped display panel is shielded to form a special-shaped edge, pixels adjacent to the special-shaped edge are special-shaped pixels, and the special-shaped edge does not have a sawtooth phenomenon when the display panel displays; in the invention, the luminance ratio of the sub-pixels with different colors in the special-shaped pixels is equal to the luminance ratio of the sub-pixels with different colors in the non-special-shaped pixels, so that the problem of abnormal chromaticity in the mixed color display of the special-shaped pixels is solved, the problem of abnormal chromaticity in the special-shaped edge area is solved, and the integral display effect of the special-shaped 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 film structure of a special-shaped display panel according to an embodiment of the present invention;
fig. 4 is a schematic top view of a special-shaped display panel according to an embodiment of the present invention;
FIG. 5 is a partial enlarged view of the contoured display panel of FIG. 4;
FIG. 6 is a partial schematic view of an alternative embodiment of a special-shaped display panel according to an embodiment of the present invention;
FIG. 7 is an enlarged view of a first heteromorphic pixel;
FIG. 8 is a schematic diagram illustrating an alternative implementation of a first irregular pixel of an irregular display panel according to an embodiment of the present invention;
FIG. 9 is a schematic diagram illustrating an alternative implementation of a first irregular pixel of an irregular display panel according to an embodiment of the present invention;
FIG. 10 is a schematic diagram illustrating an alternative implementation of a first irregular pixel of an irregular display panel according to an embodiment of the present invention;
FIG. 11 is a schematic diagram of another alternative implementation of the special-shaped display panel according to the embodiment of the present invention;
FIG. 12 is an enlarged view of the second shaped pixel of FIG. 11;
FIG. 13 is a schematic diagram illustrating an alternative implementation of a second irregular pixel of the irregular display panel according to the embodiment of the present invention;
FIG. 14 is a schematic diagram illustrating an alternative implementation of a second shaped pixel of the shaped display panel according to an embodiment of the invention;
FIG. 15 is a schematic diagram illustrating an alternative implementation of a second shaped pixel of the shaped display panel according to an embodiment of the invention;
fig. 16 is a schematic top view of a display device according to the present 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 luminance ratio of sub-pixels with different colors in the special-shaped pixel is equal to the luminance ratio of sub-pixels with different colors in a non-special-shaped pixel through the special design of the special-shaped pixel, so that the sawtooth sense and the abnormal chromaticity of the special-shaped edge are eliminated.
Referring to fig. 3, 4 and 5, fig. 3 is a schematic diagram of a film structure of a special-shaped display panel according to an embodiment of the present invention, fig. 4 is a schematic diagram of a top view of the special-shaped display panel according to the embodiment of the present invention, and fig. 5 is a partially enlarged view of the special-shaped display panel shown in fig. 4.
As shown in fig. 3, the irregular-shaped display panel includes a first substrate 101 and a second substrate 102 disposed opposite to each other, and a liquid crystal layer 103 disposed between the first substrate 101 and the second substrate 102; the first substrate 101 includes a common electrode, a pixel electrode, and a plurality of thin film transistors, wherein an electric field for deflecting liquid crystal molecules of the liquid crystal layer 103 is formed between the common electrode and the pixel electrode; the second substrate 102 includes a black matrix, the first substrate 101 may be an array substrate, and the second substrate 102 may be a color filter substrate.
As shown in fig. 4, the special-shaped display panel includes a display area AA and a frame area BA, the display area AA has a special-shaped edge Y, the special-shaped display panel provided by the present invention is not limited to the embodiment in fig. 4, the special-shaped display panel may be a non-rectangular display panel in which a camera or a headphone is hollowed out in a partial area of the display panel, and the hollowed-out portion is in a shape of a rectangle, a circle, or an ellipse, such as a chamfered rectangle, so that the display area has a special-shaped edge, or the display panel itself is a circular display panel or a circular display panel.
As shown in fig. 5, the black matrix 104 in the second substrate divides the display area AA into a plurality of sub-pixels sp, and at least three sub-pixels sp with different colors form a pixel P, wherein the colors of the three sub-pixels sp with different colors are R (red), G (green), and B (blue), respectively, the pixel P includes an odd-shaped pixel P1 and a non-odd-shaped pixel P2, wherein a part of an opening area of the sub-pixel sp near the frame area BA is blocked to form an odd-shaped edge Y, and a pixel adjacent to the odd-shaped edge Y is an odd-shaped pixel P1; the luminance ratio of the sub-pixels sp of different colors in the shaped pixel P1 is equal to the luminance ratio of the sub-pixels sp of different colors in the non-shaped pixel P2.
According to the special-shaped display panel provided by the embodiment of the invention, part of the opening area of the sub-pixel close to the frame area is shielded to form the special-shaped edge, the pixel adjacent to the special-shaped edge is the special-shaped pixel, and the special-shaped edge does not have a sawtooth phenomenon when the display panel displays; the color that forms the final demonstration of single pixel after the sub-pixel colour mixture of different colours when the display panel shows, in the dysmorphism display panel that this embodiment provided, the luminance ratio of the sub-pixel of different colours in the dysmorphism pixel equals the luminance ratio of the sub-pixel of different colours in the non-dysmorphism pixel, then the colour mixture of dysmorphism pixel shows when showing does not have the colourity unusual problem, and then special-shaped marginal zone does not have the colourity unusual problem, has promoted the whole display effect of special-shaped display panel.
Further, in some optional embodiments, the irregular pixel includes a first irregular pixel, the first irregular pixel includes at least three sub-pixel pairs with different colors, and the problem of abnormal chromaticity in the irregular edge region is solved by adjusting a luminance ratio of the sub-pixel pairs with different colors in the first irregular pixel to be equal to a luminance ratio of the sub-pixel pairs with different colors in the non-irregular pixel.
Specifically, referring to fig. 6 and fig. 7, fig. 6 is a partial schematic view of an alternative implementation of the specially-shaped display panel according to the embodiment of the present invention, and fig. 7 is an enlarged schematic view of a first specially-shaped pixel.
Referring to fig. 6 and 7, a plurality of sub-pixels sp are arranged in a first direction a to form a pixel row spA and in a second direction b to form a pixel column spB, the first direction a and the second direction b being perpendicular; the heteromorphic pixel comprises a first heteromorphic pixel P11, the first heteromorphic pixel P11 comprises three sub-pixel pairs Dsp with different colors, which are sequentially arranged in the first direction a, and the sub-pixel pairs Dsp comprise two sub-pixels sp with the same color, which are adjacent in the second direction b, as shown in FIG. 7, the sub-pixel sp1 and the sub-pixel sp4 form one sub-pixel pair Dsp, the sub-pixel sp2 and the sub-pixel sp5 form one sub-pixel pair Dsp, and the sub-pixel sp3 and the sub-pixel sp6 form one sub-pixel pair Dsp.
The pixel electrodes (not shown) of two sub-pixels sp in the same sub-pixel pair dps are connected to the same thin film transistor 104, and the opening area of the sub-pixel sp close to the special-shaped edge Y in the same sub-pixel pair dps is smaller than the opening area of the sub-pixel sp far from the special-shaped edge Y.
In the special-shaped display panel provided by the embodiment, the pixel electrodes of the two sub-pixels in the same sub-pixel pair in the first special-shaped pixel are connected with the same thin film transistor, so that the opening or closing time of the two sub-pixels in the same sub-pixel pair is different by only one scanning time window, the number of the thin film transistors in the special-shaped edge area is reduced, and the circuit routing of the special-shaped edge area is simplified.
Further, in some alternative embodiments, as shown in fig. 7, in the first direction a pointing to the middle of the display area from the special-shaped edge Y, within one first special-shaped pixel, the opening areas of three sub-pixels close to the special-shaped edge Y sequentially increase, that is, the opening areas of the sub-pixel sp1, the sub-pixel sp2 and the sub-pixel sp3 sequentially increase; the electric fields of the three sub-pixels far away from the special-shaped edge Y are reduced in sequence, namely the electric fields of the sub-pixel sp4, the sub-pixel sp5 and the sub-pixel sp6 are reduced in sequence.
In the special-shaped display panel provided by the embodiment, the opening areas of the sub-pixel sp1, the sub-pixel sp2 and the sub-pixel sp3 are sequentially increased, and when the first special-shaped pixel is turned on, the brightness of the sub-pixel sp1, the brightness of the sub-pixel sp2 and the brightness of the sub-pixel sp3 are sequentially increased; and electric fields of the sub-pixel sp4, the sub-pixel sp5 and the sub-pixel sp6 are sequentially reduced, when the first special-shaped pixel is started, the number of deflected liquid crystal molecules in the sub-pixel sp4, the sub-pixel sp5 and the sub-pixel sp6 is sequentially reduced, the penetration rate is sequentially reduced, and further the brightness is sequentially reduced to compensate the opening area.
Further, in some alternative embodiments, the pixel electrode includes at least two electrode bars; in a first special-shaped pixel, the lengths of the electrode strips of the three sub-pixels far away from the special-shaped edge are reduced in sequence.
Specifically, taking an example that the pixel electrode includes two electrode strips, fig. 8 is a schematic diagram of an alternative implementation manner of the first special-shaped pixel of the special-shaped display panel according to the embodiment of the present invention, as shown in fig. 8, in the first special-shaped pixel, in a first direction a from the special-shaped edge Y to the middle of the display area, the opening areas of three sub-pixels close to the special-shaped edge Y are sequentially increased, and the lengths of the electrode strips 106 of the sub-pixels sp4, sp5, and sp6 are sequentially decreased in three sub-pixels far from the special-shaped edge Y.
In this embodiment, the lengths of the electrode stripes 106 of the sub-pixels sp4, sp5 and sp6 are sequentially reduced, after the same voltage is applied, the electric field intensity generated in the sub-pixel sp4, the sub-pixel sp5 and the sub-pixel sp6 is reduced in sequence, the number of the deflected liquid crystal molecules in the sub-pixels sp4, sp5 and sp6 is reduced in turn, the transmittance of light in the sub-pixels is reduced in turn, and the brightness is reduced in turn to compensate the opening area, this embodiment provides a profiled display panel that adjusts the overall brightness of a sub-pixel pair by adjusting the length of the electrode strips 106 of the sub-pixels in the sub-pixel pair that are distal from the profiled edge Y, therefore, the brightness ratio of the sub-pixels with different colors in the first special-shaped pixel is equal to the brightness ratio of the sub-pixels with different colors in the non-special-shaped pixel, the problem of abnormal chromaticity in the special-shaped edge area is solved, and the overall display effect of the special-shaped display panel is improved.
Further, in some alternative embodiments, the aperture areas of the sub-pixel pairs of the respective colors are respectively equal in one first special-shaped pixel. In this embodiment, the aperture area of the sub-pixel can be adjusted by adjusting the size of the black matrix defining the sub-pixel, so that the aperture areas of the sub-pixel pairs of the respective colors are respectively equal, and further, the luminance ratio of the sub-pixel pairs of different colors in the first special-shaped pixel is equal to the luminance ratio of the sub-pixels of different colors in the non-special-shaped pixel, thereby solving the problem of abnormal chromaticity in the special-shaped edge region.
Specifically, in an alternative implementation, fig. 9 is a schematic diagram of another alternative implementation of the first special-shaped pixel of the special-shaped display panel provided by the embodiment of the present invention, as shown in fig. 9, in a first direction a pointing to the middle of the display area from the special-shaped edge Y, the opening areas of three sub-pixels, a sub-pixel sp1, a sub-pixel sp2, and a sub-pixel sp3, in a first special-shaped pixel, close to the special-shaped edge Y, increase in sequence; the opening areas of the sub-pixels sp4, sp5 and sp6 are sequentially reduced for the three sub-pixels far away from the special-shaped edge Y.
In this embodiment, the black matrix is designed to partially shield the sub-pixel sp4, the sub-pixel sp5 and the sub-pixel sp6, so that the opening areas of the sub-pixel sp4, the sub-pixel sp5 and the sub-pixel sp6 are sequentially reduced, and further that: the aperture area of the sub-pixel sp1 + the aperture area of the sub-pixel sp4 + the aperture area of the sub-pixel sp2 + the aperture area of the sub-pixel sp5 + the aperture area of the sub-pixel sp3 + the aperture area of the sub-pixel sp6, that is, the aperture areas of the sub-pixel pairs of the colors in the first special-shaped pixel are respectively equal, so that the luminance ratio of the sub-pixel pairs of different colors in the first special-shaped pixel is equal to the luminance ratio of the sub-pixels of different colors in the non-special-shaped pixel, and the problem of abnormal chromaticity in the special-shaped edge area is solved.
Further, in some optional embodiments, fig. 10 is a schematic diagram of another optional embodiment of the first special-shaped pixel of the special-shaped display panel provided in the embodiment of the present invention, as shown in fig. 10, in a first direction a pointing to the middle of the display area from the special-shaped edge Y, in one first special-shaped pixel, three sub-pixels close to the special-shaped edge Y have equal opening areas of the sub-pixel sp1, the sub-pixel sp2, and the sub-pixel sp 3; the opening areas of the sub-pixels sp4, sp5 and sp6 are equal for the three sub-pixels far away from the special-shaped edge Y.
In this embodiment, the black matrix is designed to partially shield the sub-pixels sp1, sp2 and sp3 close to the special-shaped edge again, the opening areas of the sub-pixels sp1, sp2 and sp3 are equal, the opening areas of the sub-pixel pairs of each color in the first special-shaped pixel are equal, the luminance ratio of the sub-pixel pairs of different colors in the first special-shaped pixel is equal to the luminance ratio of the sub-pixels of different colors in the non-special-shaped pixel, and the problem of abnormal chromaticity in the special-shaped edge area is solved.
In the invention, the black matrix is arranged to shield the odd-shaped edge sub-pixels again to reduce the opening area, so that the opening areas of the sub-pixel pairs of the colors in the first odd-shaped pixel are equal to each other, and the position where the black matrix shields again is not limited to the situation shown in fig. 9 and 10.
Further, in some optional embodiments, in the irregular display panel provided by the present invention, the irregular pixels include a second irregular pixel, and the luminance ratio of the sub-pixels with different colors in the second irregular pixel is equal to the luminance ratio of the sub-pixels with different colors in the non-irregular pixel by adjusting the alignment relationship of the pixel electrode in the sub-pixel in the second irregular pixel at the opening portion, so as to solve the problem of abnormal chromaticity in the irregular edge region.
In some alternative embodiments, referring to fig. 11 and 12, fig. 11 is a schematic diagram of another alternative embodiment of the specially-shaped display panel provided in the embodiment of the present invention, and fig. 12 is an enlarged view of a second specially-shaped pixel in fig. 11.
Referring to fig. 11 and 12 together, a plurality of sub-pixels sp are arranged in a first direction a to form a pixel row spA and in a second direction b to form a pixel column spB, the first and second directions b being perpendicular; the shaped pixel includes a second shaped pixel P12, and the second shaped pixel P12 includes a first color sub-pixel sp7, a second color sub-pixel sp8, and a third color sub-pixel sp9 which are sequentially arranged in the first direction a and have sequentially increased opening areas; in a first direction a directed to a sub-pixel sp8 of a second color by a sub-pixel sp7 of a first color, an opening portion of the sub-pixel has a first edge B1 and a second edge B2 opposite to each other, and a pixel electrode includes at least two electrode bars 106 arranged in sequence.
Fig. 12 illustrates an example where the pixel electrode includes two electrode bars 106, in the same sub-pixel sp, the distance between the pixel electrode and the first edge B1 is a first distance D1 corresponding to the sub-pixel, and the distance between the pixel electrode and the second edge B2 is a second distance D2 corresponding to the sub-pixel; fig. 12 only shows the first distance D1 and the second distance D2 of the sub-pixel sp7 of the first color, and the positions of the first distance D1 and the second distance D2 corresponding to the sub-pixel sp8 of the second color and the sub-pixel sp9 of the third color can refer to the corresponding manner of the sub-pixel sp7 of the first color, and in the first direction a, the first distance D1 corresponding to the sub-pixel sp7 of the first color, the sub-pixel sp8 of the second color and the sub-pixel sp9 of the third color of the second special-shaped pixel P12 decreases sequentially, and the second distance D2 increases sequentially.
In the irregular display panel provided by the invention, the opening areas of the three color sub-pixels in the first direction a in the second irregular pixel are sequentially increased, while the first distance D1 is sequentially decreased in the embodiment, and the second distance D2 is sequentially increased, which is equivalent to moving the pixel electrode from the center position of the sub-pixel opening to the edge position of the pixel opening, when the pixel electrode is located at the center position of the sub-pixel opening, the deflection amount of the liquid crystal molecules in the sub-pixel is maximum, the penetration rate of the sub-pixel is maximum, when the pixel electrode is located at the edge position of the sub-pixel opening, the deflection amount of the liquid crystal molecules in the sub-pixel is decreased, and the penetration rate of the sub-pixel is decreased, therefore, the penetration rates of the three color sub-pixels in the first direction a in the second irregular pixel are sequentially decreased by adjusting the position of the pixel electrode at the sub-pixel opening, so as to realize the compensation of the opening areas in the sub-pixel, and then the brightness ratio of the sub-pixels with different colors in the second special-shaped pixel is equal to the brightness ratio of the sub-pixels with different colors in the non-special-shaped pixel, the problem of abnormal chromaticity in the special-shaped edge area is solved, and the display effect is improved.
Furthermore, in some optional embodiments, the pixel electrodes are arranged on the display panel uniformly, and the alignment relationship of the pixel electrodes in the opening portions of the sub-pixels is adjusted by the asymmetric design of the black matrixes in the sub-pixels, so that the compensation of the opening areas in the sub-pixels is realized.
In some optional implementations, fig. 13 is a schematic diagram of an optional implementation of a second special-shaped pixel of a special-shaped display panel provided in this embodiment of the present invention, as shown in fig. 13, in a first direction a, distances between centers of pixel electrodes of adjacent sub-pixels sp are equal to each other and are all D; in the second heteromorphic pixel, in the first direction a from the first color sub-pixel sp7 to the second color sub-pixel sp8, a central line of the black matrix on a side of the first color sub-pixel sp7 away from the second color sub-pixel sp8 is a first central line Z1, a central line of a connecting line between a center O7 of a pixel electrode of the first color sub-pixel sp7 and a center O8 of a pixel electrode of the second color sub-pixel sp8 is a second central line Z2, and a central line of a connecting line between a center O8 of a pixel electrode of the second color sub-pixel sp8 and a center O9 of a pixel electrode of the third color sub-pixel sp9 is a third central line Z3; the distance D3 between the first edge B17 of the first color sub-pixel sp7 and the first middle line Z1, the distance D4 between the first edge B18 of the second color sub-pixel sp8 and the second middle line Z2, and the distance D5 between the first edge B19 of the third color sub-pixel sp9 and the third middle line Z3 increase in sequence.
Alternatively, as shown in fig. 13, in the first direction a, the opposite edges of the opening portion of the sub-pixel are straight lines extending in the second direction b, respectively. In the embodiment, the width of the black matrix in the first direction a is increased, the distance between the pixel electrode of the sub-pixel in the second special-shaped pixel along the first direction a and the first edge is sequentially increased, the alignment relation between the pixel electrode of the sub-pixel in the second special-shaped pixel and the opening part of the sub-pixel is adjusted, it is ensured that the penetration rate of the sub-pixel with three colors is sequentially reduced along the first direction, the compensation of the opening area in the sub-pixel is further realized, it is ensured that the brightness ratio of the sub-pixel with different colors in the second special-shaped pixel is equal to the brightness ratio of the sub-pixel with different colors in the non-special-shaped pixel, the problem of abnormal chromaticity in the special-shaped edge area is solved, and the display effect is improved.
In some alternative embodiments, each sub-pixel of the second irregular pixel includes a first pixel portion and a second pixel portion, the opening areas of the first pixel portion of each sub-pixel of the second irregular pixel are equal, and the opening areas of the second pixel portion of the sub-pixel of the first color and the second pixel portion of the sub-pixel of the second color increase in sequence in the first direction; in the first direction, the opposite edges of the first pixel portion are straight lines extending in the second direction, and the opposite edges of the second pixel portion are a first edge and a second edge, respectively. In this embodiment, each sub-pixel in the second irregular pixel is divided into two parts, and only the alignment relationship between the pixel electrode and the opening part in the partial region of the sub-pixel is adjusted to compensate the whole opening area of the sub-pixel.
Specifically, in an alternative implementation, fig. 14 is a schematic diagram of another alternative implementation of the second irregular pixel of the irregular display panel provided in the embodiment of the present invention, as shown in fig. 14, in the first direction a, distances between centers of pixel electrodes of adjacent sub-pixels sp are equal to each other and are D, in the first direction a, the second irregular pixel includes a sub-pixel sp7, a sub-pixel sp8, and a sub-pixel sp9, each sub-pixel of the second irregular pixel includes a first pixel portion F1 and a second pixel portion F2, respectively, an opening area of the first pixel portion F1 of each sub-pixel of the second irregular pixel is equal, and in the first direction a, opening areas of the second pixel portions F2 of the sub-pixels of each color are sequentially increased; in the first direction a, opposite edges of the first pixel portion F1 are straight lines extending in the second direction B, and opposite edges of the second pixel portion F2 are a first edge B1 and a second edge B2, respectively. In the second direction b, the first pixel part F1 is closer to the shaped edge than the second pixel part F2; a projection of the first pixel portion F1 on a first plane parallel to the first substrate is triangular, and a projection of the second pixel portion F2 on the first plane is rectangular. In this embodiment, the distance D3 between the first edge of the second pixel portion F2 of the sub-pixel sp7 and the first central line Z1, the distance D4 between the first edge of the second pixel portion F2 of the sub-pixel sp8 and the second central line Z2, and the distance D5 between the first edge of the second pixel portion F2 of the sub-pixel sp9 and the third central line Z3 increase in sequence, wherein the positions of the first central line Z1, the second central line Z2, and the third central line Z3 refer to the positional relationship shown in fig. 13.
In the embodiment, sub-pixels in the second special-shaped pixel are divided into two parts, the sub-pixels are arranged in each sub-pixel, the opening area of the first pixel part is equal, the alignment relation between the pixel electrode and the opening part is adjusted by adjusting the width of a black matrix in the second pixel part, the penetration rate of the second pixel part is sequentially reduced along the first direction in each sub-pixel, the difference of the opening areas is compensated, the brightness of the whole sub-pixel is ensured, the brightness ratio of sub-pixels with different colors in the second special-shaped pixel is equal to the brightness ratio of sub-pixels with different colors in non-special-shaped pixels, the problem of abnormal chromaticity in a special-shaped edge area is solved, and the display effect is improved.
Specifically, in another alternative implementation, fig. 15 is a schematic diagram of another alternative implementation of a second special-shaped pixel of the special-shaped display panel according to an embodiment of the present invention, as shown in fig. 15, in a first direction a, distances between centers of pixel electrodes of adjacent sub-pixels sp are equal to each other and are D, in the first direction a, the second special-shaped pixel includes a sub-pixel sp7, a sub-pixel sp8, and a sub-pixel sp9, each sub-pixel of the second special-shaped pixel includes a first pixel portion F1 and a second pixel portion F2, respectively, an opening area of a first pixel portion F1 of each sub-pixel of the second special-shaped pixel is equal, and in the first direction a, opening areas of second pixel portions F2 of sub-pixels of respective colors are sequentially increased; in the first direction a, opposite edges of the first pixel portion F1 are straight lines extending in the second direction, respectively, opposite edges of the second pixel portion F2 are a first edge B1 and a second edge B2, and in the second direction B, the first pixel portion F1 is farther from the odd-shaped edge than the second pixel portion F2; a projection of the first pixel portion F1 on a first plane parallel to the first substrate is rectangular, and a projection of the second pixel portion F2 on the first plane is triangular. In this embodiment, the distance D3 between the first edge of the second pixel portion F2 of the sub-pixel sp7 and the first central line Z1, the distance D4 between the first edge of the second pixel portion F2 of the sub-pixel sp8 and the second central line Z2, and the distance D5 between the first edge of the second pixel portion F2 of the sub-pixel sp9 and the third central line Z3 increase in sequence, wherein the positions of the first central line Z1, the second central line Z2, and the third central line Z3 refer to the positional relationship shown in fig. 13.
In the embodiment, sub-pixels in the second special-shaped pixel are divided into two parts, the sub-pixels are arranged in each sub-pixel, the opening area of the first pixel part is equal, the alignment relation between the pixel electrode and the opening part is adjusted by adjusting the width of a black matrix in the second pixel part, the penetration rate of the second pixel part is sequentially reduced along the first direction in each sub-pixel, the difference of the opening areas is compensated, the brightness of the whole sub-pixel is ensured, the brightness ratio of sub-pixels with different colors in the second special-shaped pixel is equal to the brightness ratio of sub-pixels with different colors in non-special-shaped pixels, the problem of abnormal chromaticity in a special-shaped edge area is solved, and the display effect is improved.
The invention also provides a display device comprising any one of the special-shaped display panels in the embodiments. Fig. 16 is a schematic top view of a display device according to the present invention, and as shown in fig. 16, a 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. The display device comprises a special-shaped display panel, wherein a part of opening area of a sub-pixel close to a frame area in the special-shaped display panel is shielded to form a special-shaped edge, a pixel adjacent to the special-shaped edge is a special-shaped pixel, and the special-shaped edge does not have a sawtooth phenomenon when the display panel displays; in the special-shaped display panel provided by the embodiment, the luminance ratio of the sub-pixels with different colors in the special-shaped pixels is equal to the luminance ratio of the sub-pixels with different colors in the non-special-shaped pixels, so that the problem of abnormal chromaticity is not caused in the mixed color display of the special-shaped pixels during the display, the problem of abnormal chromaticity is not caused in the special-shaped edge area, and the overall display effect of the special-shaped 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, part of the opening area of the sub-pixels close to the frame area in the special-shaped display panel is shielded to form a special-shaped edge, pixels adjacent to the special-shaped edge are special-shaped pixels, and the special-shaped edge does not have a sawtooth phenomenon when the display panel displays; in the invention, the luminance ratio of the sub-pixels with different colors in the special-shaped pixels is equal to the luminance ratio of the sub-pixels with different colors in the non-special-shaped pixels, so that the problem of abnormal chromaticity in the mixed color display of the special-shaped pixels is solved, the problem of abnormal chromaticity in the special-shaped edge area is solved, and the integral display effect of the special-shaped 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 (13)
1. A special-shaped display panel is characterized in that,
the special-shaped display panel comprises a first substrate and a second substrate which are oppositely arranged, and a liquid crystal layer arranged between the first substrate and the second substrate;
the special-shaped display panel comprises a display area and a frame area, wherein the display area is provided with a special-shaped edge;
the first substrate comprises a common electrode, a pixel electrode and a plurality of thin film transistors, wherein an electric field for deflecting liquid crystal molecules of the liquid crystal layer is formed between the common electrode and the pixel electrode;
the second substrate comprises a black matrix, the black matrix divides the display area into a plurality of sub-pixels, at least three sub-pixels with different colors form a pixel, and the pixel comprises an irregular pixel and a non-irregular pixel, wherein a part of an opening area of the sub-pixels close to the frame area is blocked to form the irregular edge, and the pixel adjacent to the irregular edge is the irregular pixel;
the luminance ratio of the sub-pixels with different colors in the special-shaped pixel is equal to the luminance ratio of the sub-pixels with different colors in the non-special-shaped pixel;
the sub-pixels are arranged along a first direction to form pixel rows, and are arranged along a second direction to form pixel columns, and the first direction is vertical to the second direction;
the irregular pixels include a second irregular pixel including the sub-pixels of the first color, the sub-pixels of the second color, and the sub-pixels of the third color which are sequentially arranged in the first direction and whose opening areas sequentially increase;
in the first direction from the sub-pixel of the first color to the sub-pixel of the second color, the opening portion of the sub-pixel has a first edge and a second edge which are opposite to each other, the pixel electrode includes at least two electrode strips which are sequentially arranged, in the same sub-pixel, the distance between the pixel electrode and the first edge is a first distance corresponding to the sub-pixel, and the distance between the pixel electrode and the second edge is a second distance corresponding to the sub-pixel;
in the first direction, the first distances corresponding to the sub-pixel of the first color, the sub-pixel of the second color, and the sub-pixel of the third color of the second special-shaped pixel decrease sequentially, and the second distances increase sequentially.
2. The shaped display panel according to claim 1,
the sub-pixels are arranged along a first direction to form pixel rows, and are arranged along a second direction to form pixel columns, and the first direction is vertical to the second direction;
the special-shaped pixel comprises a first special-shaped pixel, the first special-shaped pixel comprises three sub-pixel pairs with different colors, which are sequentially arranged in the first direction, and the sub-pixel pairs comprise two sub-pixels with the same color, which are adjacent in the second direction;
the pixel electrodes of two sub-pixels in the same sub-pixel pair are connected with the same thin film transistor, and in the same sub-pixel pair, the opening area of the sub-pixel close to the special-shaped edge is smaller than that of the sub-pixel far away from the special-shaped edge.
3. The shaped display panel according to claim 2,
in the first direction from the special-shaped edge to the middle of the display area, the opening areas of three sub-pixels close to the special-shaped edge are sequentially increased, and the electric fields of three sub-pixels far away from the special-shaped edge are sequentially decreased in one first special-shaped pixel.
4. The shaped display panel according to claim 3,
the pixel electrode comprises at least two electrode strips;
the lengths of the electrode strips of the three sub-pixels far away from the special-shaped edge are sequentially reduced.
5. The shaped display panel according to claim 2,
within one of the first shaped pixels, the aperture areas of the sub-pixel pairs of the respective colors are respectively equal.
6. The shaped display panel according to claim 5,
in the first direction from the special-shaped edge to the middle of the display area, the opening areas of the three sub-pixels close to the special-shaped edge are sequentially increased, and the opening areas of the three sub-pixels far away from the special-shaped edge are sequentially decreased in one first special-shaped pixel.
7. The shaped display panel according to claim 5,
in the first direction from the special-shaped edge to the middle of the display area, the opening areas of the three sub-pixels close to the special-shaped edge are equal, and the opening areas of the three sub-pixels far from the special-shaped edge are equal in one first special-shaped pixel.
8. The shaped display panel according to claim 1,
in the first direction, distances between centers of pixel electrodes of adjacent sub-pixels are equal;
in the second special-shaped pixel, in the first direction from the sub-pixel of the first color to the sub-pixel of the second color, a central line of a black matrix on a side of the sub-pixel of the first color far away from the sub-pixel of the second color is a first central line, a central line of a connecting line between a center of a pixel electrode of the sub-pixel of the first color and a center of a pixel electrode of the sub-pixel of the second color is a second central line, and a central line of a connecting line between a center of a pixel electrode of the sub-pixel of the second color and a center of a pixel electrode of the sub-pixel of the third color is a third central line;
the distance between the first edge of the sub-pixel of the first color and the first middle line, the distance between the first edge of the sub-pixel of the second color and the second middle line, and the distance between the first edge of the sub-pixel of the third color and the third middle line increase sequentially.
9. The shaped display panel according to claim 8,
in the first direction, the opposite edges of the opening portion of the sub-pixel are straight lines extending along the second direction, respectively.
10. The shaped display panel according to claim 8,
each of the sub-pixels of the second irregular pixel includes a first pixel portion and a second pixel portion, the opening areas of the first pixel portions of the sub-pixels of the second irregular pixel are equal, and the opening areas of the second pixel portions of the sub-pixels of the first color and the second pixel portions of the sub-pixels of the second color increase in sequence in the first direction;
in the first direction, the opposite edges of the first pixel portion are straight lines extending in the second direction, and the opposite edges of the second pixel portion are the first edge and the second edge, respectively.
11. The shaped display panel according to claim 10,
in the second direction, the first pixel portion is closer to the shaped edge than the second pixel portion;
a projection of the first pixel portion on a first plane parallel to the first substrate is a triangle, and a projection of the second pixel portion on the first plane is a rectangle.
12. The shaped display panel according to claim 10,
in the second direction, the first pixel portion is farther from the shaped edge than the second pixel portion;
a projection of the first pixel portion on a first plane parallel to the first substrate is rectangular, and a projection of the second pixel portion on the first plane is triangular.
13. A display device characterized by comprising the shaped display panel according to any one of claims 1 to 12.
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