CN114326174B - Display panel and display device - Google Patents
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- CN114326174B CN114326174B CN202111536070.5A CN202111536070A CN114326174B CN 114326174 B CN114326174 B CN 114326174B CN 202111536070 A CN202111536070 A CN 202111536070A CN 114326174 B CN114326174 B CN 114326174B
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Abstract
The invention provides a display panel and a display device, wherein the display panel comprises a scanning line and a data line, the scanning line extends along a first direction, and the data line extends along a second direction; the pixel structure comprises a plurality of sub-pixel units arranged in an array manner, wherein the region where the sub-pixel units are positioned is a sub-pixel unit region, the sub-pixel unit region comprises a light transmission region, the light transmission region comprises a first electrode region, and the sub-pixel unit is provided with a pixel electrode; the edge of the first electrode region overlaps with the orthographic projection of the pixel electrode edge on the display panel along the first direction and the second direction; the display panel comprises a first display area and a first protruding portion, the first display area comprises a first sub-pixel unit, and the first protruding portion is at least located on at least one side of a first electrode area of the first sub-pixel unit in orthographic projection mode of the display panel. The invention can reduce the scattering of liquid crystal molecules in the first display area, reduce the black state brightness of the first display area and improve the contrast ratio of the first display area.
Description
Technical Field
The present invention relates to the field of display technologies, and in particular, to a display panel and a display device.
Background
Along with the continuous development of vehicle-mounted systems, people continuously promote the importance of vehicle-mounted display, so that not only are numerous requirements on the appearance of a display, but also the internal performance of the display, such as optical performance, power consumption and reliability, are required to different degrees.
In recent years, a large screen is gradually controlled to be the mainstream of vehicle-mounted display, fashion sense and convenient operation brought by a large-size display screen to an experimenter are obvious, but the large-size display screen still has a plurality of problems, such as different viewing angles of different areas of the same large-size display screen based on the viewing angle of a driver, so that requirements of different areas of the screen on viewing angle performance are different, namely, the contrast of the display panel under different strabismus angles, and the more far away from the experimenter on the screen, the higher the contrast requirement under strabismus is, so that how to present different viewing angle characteristics on one screen is a problem to be solved.
Disclosure of Invention
In view of the above, the embodiment of the invention provides a display panel and a display device.
In a first aspect, the present application provides a display panel, comprising:
a plurality of scan lines and a plurality of data lines, the scan lines extending in a first direction, the data lines extending in a second direction, the first direction intersecting the second direction;
the pixel array comprises a plurality of sub-pixel units which are arranged in an array manner, wherein the area where the sub-pixel units are positioned is a sub-pixel unit area, the sub-pixel unit area comprises a light transmission area and a non-light transmission area, the light transmission area comprises a first electrode area, and the sub-pixel units are provided with pixel electrodes;
in the direction perpendicular to the display panel, an edge projection of the first electrode region along the first direction overlaps an edge projection of the pixel electrode along the first direction, and an edge projection of the first electrode region along the second direction overlaps an edge projection of the pixel electrode along the second direction;
the display panel further comprises a first display area and a first protruding portion, wherein the first display area comprises a first sub-pixel unit, and in the direction perpendicular to the display panel, the first protruding portion is projected to be at least located on at least one side of a first electrode area of the first sub-pixel unit.
In a second aspect, the present application provides a display device including the display panel.
The application provides a display panel and a display device, at least one side of a first electrode area of a first sub-pixel unit in a first display area is provided with a first protruding portion, namely, at least one side of an area where a pixel electrode of the first sub-pixel unit is located and an area where a gap between the pixel electrodes is located is provided with a protruding portion, the protruding portion occupies a filling area of partial liquid crystal, so that the liquid crystal quantity of the first display area is reduced, and as light can scatter through liquid crystal molecules, the liquid crystal quantity is reduced, namely, the scattering quantity of the light of the first display area through the liquid crystal molecules is reduced, so that the black state brightness of the first display area is reduced, the black state brightness of the liquid crystal molecules is almost not driven by an electric field, and further, the contrast of the first display area is improved, namely, the visual angle performance of the first display area is improved.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required for the description of the embodiments are briefly described below, the drawings described herein are to provide a further understanding of the present invention, and the exemplary embodiments of the present invention and the description thereof are to be construed as illustrating the present invention and not as unduly limiting the present invention.
Fig. 1 is a schematic top view of a display panel according to an embodiment of the present invention;
FIG. 2 is an enlarged schematic view of the area S1 of the display panel of FIG. 1;
FIG. 3 is an enlarged schematic view of the areas S1 and S2 of the display panel of FIG. 1;
FIG. 4 is another enlarged schematic view of the areas S1 and S2 of the display panel of FIG. 1;
FIG. 5 is a further enlarged schematic view of the areas S1 and S2 of the display panel of FIG. 1;
FIG. 6 is a further enlarged schematic view of the areas S1 and S2 of the display panel of FIG. 1;
FIG. 7 is a further enlarged schematic view of the areas S1 and S2 of the display panel of FIG. 1;
FIG. 8 is a further enlarged schematic view of the areas S1 and S2 of the display panel of FIG. 1;
FIG. 9 is a further enlarged schematic view of the areas S1 and S2 of the display panel of FIG. 1;
FIG. 10 is a further enlarged schematic view of the areas S1 and S2 of the display panel of FIG. 1;
FIG. 11 is a further enlarged schematic view of the areas S1 and S2 of the display panel of FIG. 1;
FIG. 12 is a further enlarged schematic view of the areas S1 and S2 of the display panel of FIG. 1;
FIG. 13 is a further enlarged schematic view of the areas S1 and S2 of the display panel of FIG. 1;
FIG. 14 is a further enlarged schematic view of the areas S1 and S2 of the display panel of FIG. 1;
FIG. 15 is a further enlarged schematic view of the areas S1 and S2 of the display panel of FIG. 1;
FIG. 16 is a schematic top view of another display panel according to an embodiment of the present invention;
FIG. 17 is an enlarged schematic view of the regions S1', S11' and S2' of the display panel of FIG. 16;
FIG. 18 is another enlarged schematic view of the S1' region, the S11' region and the S2' region of the display panel of FIG. 16;
FIG. 19 is a schematic cross-sectional view of FIG. 6 taken along section line A-A';
FIG. 20 is another cross-sectional schematic view of FIG. 6 taken along section line A-A';
fig. 21 is a schematic top view of a display device according to an embodiment of the invention.
Detailed Description
Embodiments of the present invention will now be described more fully hereinafter with reference to the accompanying drawings, in which it is shown, however, in which some, but not all embodiments of the invention are shown. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
In recent years, a medium-sized large screen gradually becomes a main stream of vehicle-mounted display, a large-sized display screen brings fashion sense and convenient operation to an experimenter, but the large-sized display screen still has more problems, such as different viewing angles of different areas of the same large-sized screen based on the viewing angle of a driver, so that requirements of different areas of the screen on viewing angle performance are different, namely the viewing angle performance is that the contrast ratio of a display panel under different strabismus angles is higher, and the display content is clearer; the more distant the region on the screen from the experimenter is, the higher the contrast requirement under the oblique viewing is, that is, the display panel still has higher contrast under the larger oblique viewing angle is needed, so how to present different viewing angle characteristics on one screen is a problem to be solved.
Fig. 1-2 show a schematic top view of a display panel according to an embodiment of the invention, and fig. 2 is an enlarged schematic view of an area S1 of the display panel of fig. 1; the display panel 1 shown in fig. 1 includes a plurality of scan lines s extending in a first direction X and a plurality of data lines d extending in a second direction Y, and the first direction X and the second direction Y intersect; the display panel 1 further comprises a plurality of sub-pixel units P arranged in an array manner, wherein the area where the sub-pixel units P are located is a sub-pixel unit area 100, and the sub-pixel units P comprise pixel electrodes PE; as shown in fig. 2, the sub-pixel unit area 100 includes a light-transmitting area 102 and a non-light-transmitting area 101, the light-transmitting area 102 further includes a first electrode area 10, the first electrode area 10 has two sides B1 and B2 along a first direction X in a direction perpendicular to the display panel 1, wherein the sides B1 and B2 overlap with an edge projection of the pixel electrode PE along the first direction X, and the first electrode area 10 has another two sides B3 and B4 along a second direction Y, wherein the sides B3 and B4 overlap with an edge projection of the pixel electrode PE along the second direction Y; that is, the first electrode region 10 is a region where a plurality of branch electrodes are located and a region where gaps between the plurality of branch electrodes are located in the pixel electrode PE.
The display panel 1 has a first display region 1-1, a first protrusion 103, the first display region 1-1 including a first sub-pixel unit P1, a projection of the first protrusion 103 in a direction perpendicular to the display panel 1 being located at least on one side of a first electrode region 10 of the first sub-pixel unit P1, as shown in fig. 2, the projection of the first protrusion 103 being located at upper and lower sides of the first electrode region 10 of the first sub-pixel unit P1.
According to the invention, the first protruding part 103 is arranged at least on one side of the first electrode area 10 of the first sub-pixel unit P1 in the first display area 1-1, namely, the protruding part is arranged at least on one side of the area where the plurality of branch electrodes are arranged and the area where the gaps between the plurality of branch electrodes are arranged in the pixel electrode PE of the first sub-pixel unit P1, and the protruding part occupies part of the liquid crystal filling area, so that the liquid crystal amount of the first display area 1-1 is reduced, and as light can scatter through liquid crystal molecules, the liquid crystal amount is reduced, namely, the scattering amount of the first display area light through the liquid crystal molecules is reduced, so that the black state brightness of the first display area 1-1 is reduced, the black state brightness of the liquid crystal molecules is the brightness of the display area under the drive of an electric field, and the contrast of the first display area 1-1 is further improved, namely, the visual angle performance of the first display area 1-1 is improved, when the first display area 1-1 is positioned in the area far away from a viewer on a screen, namely, the contrast of the first display area 1-1 is larger, the contrast of the viewer is reduced, the viewer is far from the area on the screen, and the viewer is far from the viewer, the viewer is better than the viewer, the viewer is able to see the area on the screen, and the viewer is better experience.
Optionally, as shown in fig. 1 and 3, fig. 3 is an enlarged schematic view of the S1 region and S2 region of the display panel of fig. 1; on the basis of the above, the display panel 1 further has a second display area 1-2, a second protrusion 203, and the second display area 1-2 includes a second sub-pixel unit P2, and the projection of the second protrusion 203 is located on at least one side of the first electrode region 10 of the second sub-pixel unit P2 in the direction perpendicular to the display panel 1, and as shown in fig. 3, the projection of the second protrusion 203 is located on both sides of the first electrode region 10 of the second sub-pixel unit P2.
And the first electrode region 10 of the first sub-pixel unit P1 points to the direction of the area where the first protrusion 103 projects, as shown in fig. 3, when the projection of the first protrusion 103 is located on the upper and lower sides of the first electrode region 10 of the first sub-pixel unit P1, the direction may be the second direction Y, and the projection of the first protrusion 103 has the first width H1; referring to fig. 3 again, if the projection of the second protrusion 203 is located on the upper and lower sides of the first electrode region 10 of the second sub-pixel unit P2, the direction may also be the second direction Y, and the projection of the second protrusion 203 has the second width H2; the second display area 1-2 is farther from the experimenter than the first display area 1-1, for example, when the experimenter views the first display area 1-1, the viewing angle range is within 30 °, and when the experimenter views the second display area 1-2, the viewing angle range is greater than 30 °, and then the first width H1 is less than the second width H2.
By arranging the second protruding portion 203 on at least one side of the first electrode region 10 of the second sub-pixel unit P2 in the second display area 1-2, and the width of the second protruding portion 203 is larger than the width of the first protruding portion 103 in the first display area 1-1, the second display area 1-2 is farther away from the experimenter than the first display area 1-1, that is, when the experimenter views the screen, the viewing angle range of the first display area 1-1 is smaller than that of the second display area 1-2, the width of the second protruding portion 203 is larger than the width of the first protruding portion 103, that is, the larger the width of the protruding portion on the display area far away from the experimenter on the screen is, and optionally, the larger the area of the protruding portion on the screen is also, the second display area 1-2 is larger than the first display area 1-1, that is occupied by the protruding portion is larger, that is, when the second display area 1-2 is relatively smaller than the first display area 1-1, the liquid crystal amount is smaller, the viewing angle range is smaller than the second display area 1-2 is smaller, the liquid crystal is able, the more light scattering is able, the better contrast is able, and the better contrast is able to be obtained, and the more contrast is better is able to get far from the experimenter on the dark state, and the experimenter is able on the viewer is better contrast is able, and the contrast is better is able.
It should be noted that, according to the visual angle of the experimenter, that is, the viewing angle requirement, the contrast ratio to be achieved in the different areas (the areas with different viewing angle requirements) away from the experimenter on the screen may be determined, so that the number of sub-pixel units P with the convex portions in the areas may be determined, that is, alternatively, the sub-pixel units P located in the first display area 1-1 and the second display area 1-2 may include the convex portions, or all the sub-pixel units P may include the convex portions, which is not limited in the present invention. The projection of the protruding part on the vertical display panel 1 can cover part of the non-light-transmitting area 101, and can extend from the non-light-transmitting area 101 to the light-transmitting area 102, and the protruding part can transmit light and can not transmit light; since the horizontal electric field generated between the pixel electrode PE and the common electrode (not shown) at the edge positions of the light-transmitting region 102 and the non-light-transmitting region 101 is weak, the protruding portion occupies the edge portion of the light-transmitting region 102 and does not have a great influence on the brightness when displaying high gray scale (e.g., 200 gray scale or more), but it can reduce the brightness when in the black state, thereby improving the area contrast.
Alternatively, as shown in fig. 4 and 5, fig. 4 is another enlarged schematic view of the S1 region and S2 region of the display panel of fig. 1, and fig. 5 is yet another enlarged schematic view of the S1 region and S2 region of the display panel of fig. 1; based on the above, the first electrode 10 of the first sub-pixel unit P1 is set as the first sub-electrode region 11, and the first electrode region 10 of the second sub-pixel unit is set as the second sub-electrode region 12; the projection of the first protrusion 103 is located at the same side of the first sub-electrode area 11 in the second direction Y in the direction perpendicular to the display panel 1, and the first protrusion 102 extends in the first direction X; the projection of the second protrusion 203 is located on the same side of the second sub-electrode region 12 in the second direction Y, and the second protrusion 102 extends in the first direction X.
The first protrusion 103 and the second protrusion 203 are disposed on the same side of the first electrode region 10 of the sub-pixel unit P along the second direction Y, and for the protrusion, since the width of the non-light-transmitting region 101 between two adjacent sub-pixel units P along the second direction Y is larger, the width of the protrusion along the second direction Y is also larger, thereby facilitating the process preparation of the protrusion on the one hand and facilitating the uniform arrangement of the display panel 1 on the other hand; the first protrusion 103 and the second protrusion 203 are disposed to extend in the first direction X so as to occupy a filling area of the liquid crystal to a greater extent, thereby further reducing the amount of scattering of light through the liquid crystal, obtaining lower black brightness, and thus obtaining higher contrast.
As shown in fig. 5, the first protruding portion 103 extends along the first direction X in the first display area 1-1 and penetrates through the sub-pixel unit area 100 of the first sub-pixel unit P1 in the same row, the second protruding portion 203 extends along the first direction X in the second display area 1-2 and penetrates through the sub-pixel unit area 100 of the second sub-pixel unit P2 in the same row, and the first protruding portion 103 and the second protruding portion 203 are provided in a strip shape and penetrate through at least part of the sub-pixel unit area 100 in the display area, so that, on one hand, the process preparation of the protruding portion is facilitated, the stripping and dropping of the protruding portion is prevented, and on the other hand, the alignment problem in the first direction X does not exist in the preparation, and on the other hand, the uniform arrangement of the display panel 1 is facilitated, so that the filling area of the liquid crystal can be occupied to a large extent, and therefore the scattering amount of light passing through the liquid crystal can be further reduced, the lower black state brightness can be obtained, and further the higher contrast ratio can be obtained.
For the specific arrangement of the length of the protruding portion along the first direction X, or for arranging at least part of the sub-pixel unit area 100 of the display area where the protruding portion penetrates through the protruding portion, the portion can determine the contrast ratio to be achieved in different areas (areas with different viewing angle requirements) of the screen away from the experimenter according to the viewing angle requirements of the experimenter, so as to determine the arrangement mode of the protruding portion along the first direction X.
Alternatively, as shown in fig. 6 to 7, fig. 6 is a further enlarged schematic view of the S1 region and S2 region of the display panel of fig. 1, and fig. 7 is a further enlarged schematic view of the S1 region and S2 region of the display panel of fig. 1; the display panel 1 further comprises support columns 104, the projections of the support columns 104 located in the first display area 1-1 at least partly overlap with the projections of the first protrusions 103 in the direction perpendicular to the display panel 1, and the projections of the support columns 104 located in the second display area 1-2 at least partly overlap with the projections of the second protrusions 203. As shown in fig. 6, the first protruding portion 103 and the second protruding portion 203 are in a block shape, and along the first direction X, a gap exists between two adjacent first protruding portions 103 and a gap exists between two adjacent second protruding portions 203, so that in order to support the support column 104 in a relatively flat area, the support column 104 may be set to deviate from the central area of two adjacent sub-pixel units P and approach to the area of one sub-pixel unit P, so that the support column 104 can be completely supported on the first protruding portion 103 or the second protruding portion 203; as shown in fig. 7, the first protrusion 103 and the second protrusion 203 are stripe-shaped and penetrate through at least a portion of the sub-pixel unit area 100 in the display area, so long as the support column 104 at least partially overlaps the first protrusion 103 or the second protrusion 203, the display panel 1 can obtain better supporting performance.
Optionally, as shown in fig. 8, fig. 8 is a further enlarged schematic view of the S1 region and S2 region of the display panel of fig. 1; when the first protruding portion 103 and the second protruding portion 203 are block-shaped, a gap exists between two adjacent first protruding portions 103 along the first direction X, a gap also exists between two adjacent second protruding portions 203, and the gaps are smaller, the support column 104 may also be provided to have a larger width along the first direction X, so that the support column 104 located in the first display area 1-1 may bridge two adjacent first protruding portions 103, the support column 104 located in the second display area 1-2 may bridge two adjacent second protruding portions 203, and the support surface of the support column 104 is relatively flat, thereby obtaining better support property of the display panel 1.
Optionally, as shown in fig. 9, fig. 9 is a further enlarged schematic view of the S1 region and S2 region of the display panel of fig. 1; in fig. 9, the projections of the first protrusion 103 are located on the same side of the first sub-electrode region 11 in the second direction Y, and the projections of the second protrusion 203 are located on the same side of the second sub-electrode region 12 in the second direction Y; when the first protrusion 103 and the second protrusion 203 are disposed on the same side of the first electrode region 10 in the sub-pixel unit P along the second direction, in order to increase the flow-through of the liquid crystal molecules in the second direction Y, the first protrusion 103 and the second protrusion 203 may be disposed in a block shape, and the projection of the first protrusion 103 is disposed inside the projection of the first sub-electrode region 11 along the second direction Y, and the projection of the second protrusion 203 is disposed inside the projection of the second sub-electrode region 12, that is, the first protrusion 103 and the second protrusion 203 are disposed only on the upper side or the lower side of the first electrode region 10, so that the flow-through of the liquid crystal molecules can be ensured and the reliability of the display panel 1 can be ensured even if the first display region 1-1 and the second display region 1-2 of the display panel 1 have a better contrast.
Optionally, as shown in fig. 10, fig. 10 is a further enlarged schematic view of the S1 region and S2 region of the display panel of fig. 1; the display panel 1 includes the support column 104, in the direction perpendicular to the display panel 1, the projection of the support column 104 located in the first display area 1-1 overlaps the projection of the adjacent two first protrusions 103, the projection of the support column 104 located in the second display area 1-2 overlaps the projection of the adjacent two second protrusions 203, and since the first protrusions 103 and the second protrusions 203 are located only in the projection area of the first electrode area 10 along the second direction Y, the gap between the adjacent two first protrusions 103 and the adjacent two second protrusions 203 is larger, in order to ensure that the support column 104 is supported to a flatter surface, the width of the support column 104 along the first direction X may be set larger, and the width along the second direction Y is smaller, so that the support column 104 located in the first display area 1-1 may bridge the adjacent two first protrusions 103, and the support column 104 located in the second display area 1-2 may bridge the adjacent two second protrusions 203, thereby ensuring that the display panel 1 has better supportability.
Alternatively, since the first protrusions 103 and the second protrusions 203 are located only in the projection area of the first electrode region 10 along the second direction Y, the gap between the adjacent two first protrusions 103 and the adjacent two second protrusions 203 is larger, and the support columns 104 located in the first display region 1-1 may be located between the adjacent two first protrusions 103, and in the direction perpendicular to the display panel 1, the projections of the support columns 104 do not overlap with the projections of the first protrusions 103, the support columns 104 located in the second display region 1-2 are located between the adjacent two second protrusions 203, and the projections of the support columns 104 do not overlap with the projections of the second protrusions 203; thereby ensuring a good support of the display panel 1.
Optionally, as shown in fig. 11, fig. 11 is a further enlarged schematic view of the S1 region and S2 region of the display panel of fig. 1; the sub-pixel unit P has a pixel electrode PE including an end PED and a main PEM, wherein the first electrode region 10 includes an area where the pixel electrode PE is located, the first electrode region 10 has an end region 10D and a main region 10M, wherein the end region 10D includes the end PED of the pixel electrode PE, the main region 10M includes the main PEM of the pixel electrode PE, the end region 10D is located at both sides of the main region 10M along the second direction Y, an extending direction of the pixel electrode PE located at the main region 10M and an extending direction of the pixel electrode PE located at the end region 10D intersect, and a projection of the second protrusion 203 may cover the end region 10D of the first electrode region 10 in a direction perpendicular to the display panel 1; when the second display area 1-2 is farther from the experimenter than the first display area 1-1, that is, the experimenter views the screen, when the viewing angle range of the first display area 1-1 is smaller than that of the second display area 1-2, the width of the second protruding portion 203 along the second direction Y is larger than that of the first protruding portion 103 along the second direction Y, so that the projection of the second protruding portion 203 at least partially overlaps with the end area 10D of the first electrode area 10 and even completely covers the end area 10D of the first electrode area 10, and the end PED of the pixel electrode PE has a relatively weak horizontal electric field with the common electrode (not shown in the drawing) relative to the main portion PEM, so that the protruding portion occupies the portion with a smaller brightness effect on the high gray scale display (such as 200 gray scale or more), but can greatly reduce the brightness in the black state, thereby improving the area contrast.
Optionally, as shown in fig. 12, fig. 12 is a further enlarged schematic view of the S1 region and S2 region of the display panel of fig. 1; in the direction perpendicular to the display panel 1, the projections of the first protruding portion 103 may be located on the same side of the first sub-electrode region 11 along the first direction X, the projections of the second protruding portion 203 may be located on the same side of the second sub-electrode region 12 along the first direction X, where the width of the projections of the first protruding portion 103 along the first direction X is a first width H1, the width of the projections of the second protruding portion 203 along the first direction X is a second width H2, and the first width H1 is smaller than the second width H2.
The first protrusion 103 and the second protrusion 203 are disposed on the same side of the first electrode region 10 of the sub-pixel unit P along the first direction X, and for the protrusion, since the length of the sub-pixel unit P along the second direction Y is generally greater than the length along the first direction X, the width of the opaque region 101 between two adjacent sub-pixel units P is also longer along the second direction Y, so that the protrusion may be disposed in a long shape extending along the second direction Y, so that it can occupy the filling region of the liquid crystal to a greater extent, thereby greatly reducing the scattering amount of light passing through the liquid crystal, obtaining lower black brightness, and thus obtaining higher contrast.
Optionally, as shown in fig. 13, fig. 13 is a further enlarged schematic view of the S1 region and S2 region of the display panel of fig. 1; the first protrusion 103 includes a first branch 1031 and a second branch 1032, and extension directions of the first branch 1031 and the second branch 1032 intersect, the first branch 1031 and the second branch 1032 have a first connection portion L1, the second protrusion 203 includes a third branch 2031 and a fourth branch 2032, and extension directions of the third branch 2031 and the fourth branch 2032 intersect, the third branch 2031 and the fourth branch 2032 have a second connection portion L2; in the direction perpendicular to the display panel 1, the projection of the first protrusion 103 at least partially overlaps the projection of the data line d located in the first display area 1-1, the projection of the second protrusion 103 at least partially overlaps the projection of the data line d located in the second display area 1-2, and the extension directions of the first protrusion 103 and the second protrusion 203 may be set to coincide with the extension direction of the data line d, so that the areas of the first protrusion 103 and the second protrusion 203 occupying the non-light-transmitting area 101 and the light-transmitting area 102 may coincide, and the uniform setting of the display panel 1 may be ensured, thereby ensuring the uniform display of the display panel 1.
Optionally, as shown in fig. 14, fig. 14 is a further enlarged schematic view of the S1 region and S2 region of the display panel of fig. 1; based on the above design, in the direction perpendicular to the display panel 1, the projection of the support column 104 located in the first display area 1-1 overlaps the projection of the first connection portion L1, and the projection of the support column 104 located in the second display area 1-2 overlaps the projection of the second connection portion L2; that is, the support columns 104 are disposed in the area where the two branches of the first protruding portion 103 intersect and the area where the two branches of the second protruding portion 203 intersect, so that the support area of the support column 104 spans the two branches, and when pressure is applied from the outside, the area contacting with the support column 104 can release the pressure in different directions, thereby ensuring that the display panel 1 has better supportability.
Optionally, as shown in fig. 15, fig. 15 is a further enlarged schematic view of the S1 region and S2 region of the display panel of fig. 1; the first protrusions 103 may be disposed in the first electrode region 10 of the sub-pixel unit P1 located in the first display area 1-1 along the first direction X and the second direction Y, the second protrusions 203 may be disposed in the first electrode region 10 of the sub-pixel unit P2 located in the second display area 1-2 along the first direction X and the second direction Y, and a gap for flowing liquid crystal molecules may be left between or inside the first protrusions 103, and a gap for flowing liquid crystal molecules may be left between or inside the second protrusions 203, so long as the flowing gap is enough to ensure reliability of the display panel 1, which may also be one embodiment of the present invention; it should be noted that the specific size and number of the first protruding portion 103 and the second protruding portion 203 are not limited in the present invention, and this portion may be configured accordingly according to the viewing angle requirement of the experimenter.
Alternatively, as shown in fig. 16 to 18, fig. 16 is a schematic top view of another display panel provided in the embodiment of the present invention, fig. 17 is an enlarged schematic view of a region S1', a region S11' and a region S2 'of the display panel of fig. 16, and fig. 18 is another enlarged schematic view of a region S1', a region S11 'and a region S2' of the display panel of fig. 16; the display panel 2 shown in fig. 16 includes a first display area 2-1 and a second display area 2-2, optionally, the second display area 2-2 is further away from the experimenter than the first display area 2-1, that is, when the experimenter is watching the screen, the viewing angle range of watching the first display area 2-1 is smaller than that of the second display area 2-2, the first display area further includes a first sub-display area 2-11, the first sub-display area 2-11 is located in the first display area 2-1 and is close to the second display area 2-2, wherein the first display area 2-1 includes a plurality of first sub-pixel units P1, the first sub-display area 2-11 includes a plurality of first sub-pixel units P11, and the second display area 2-2 includes a plurality of second sub-pixel units P2; as shown in fig. 17 to 18, the display panel 1 includes a plurality of sub-pixel units P having pixel electrodes PE with main portions PEM including a middle PEM2 and first main portions PEM1 of the pixel electrodes PE, the first main portions PEM1 of the pixel electrodes PE being located at both sides of the middle PEM2 along the second direction Y, that is, the middle PEM2 of the pixel electrodes PE is connected to the two first main portions PEM1; the first electrode region 10 also has a main portion 10M, in a direction perpendicular to the display panel 2, the main portion 10M of the first electrode region 10 covers the main portion PEM projection of the pixel electrode PE, the main portion 10M of the first electrode region 10 includes a middle portion 10M2 and a first main portion 10M1, wherein the middle portion 10M2 corresponds to a region where the middle PEM2 of the pixel electrode PE is located, the first main portion 10M1 corresponds to a region where the first main portion PEM1 of the pixel electrode PE is located, then the first main portion 10M1 is located on both sides of the middle portion 10M2 in the second direction Y, and an extending direction of the pixel electrode PE located in the middle portion 10M2 is intersected with an extending direction of the pixel electrode PE located in the first main portion 10M1, that is, the extending direction of the middle PEM2 of the pixel electrode PE is intersected with an extending direction of the first main portion PEM 1.
The display panel 2 further includes a third protrusion 303 and a fourth protrusion 403, a projection of the third protrusion 303 at least partially overlaps the middle region 10M2 of the first a sub-pixel unit P11 in a direction perpendicular to the display panel 2, a projection of the fourth protrusion 403 at least partially overlaps the middle region 10M2 of the second sub-pixel unit P2, and a projection width of the fourth protrusion 403 is greater than a projection width of the third protrusion 303 in the second direction Y.
First, the middle PEM2 of the pixel electrode PE is an intersection area of the two first main portions PEM1, and the width of the middle PEM2 along the second direction Y is generally smaller, while the extending directions of the first main portions PEM1 of the pixel electrode PE on both sides of the middle PEM2 are also crossed, that is, in the middle area 10M2 corresponding to the middle PEM2 of the pixel electrode PE, the liquid crystal molecules are disturbed by the torsion moment generated by the electric field in at least two directions, so that the rotation disorder of the liquid crystal molecules is caused, or the liquid crystal molecules cannot rotate, resulting in that the brightness of the middle area 10M2 is very low in the high gray scale display, and the third convex portion 303 and the fourth convex portion 403 are disposed to overlap the middle area 10M2 in the direction perpendicular to the display panel 2, so that the convex portion occupies the brightness effect on the high gray scale (for example, 200 gray scale or more) display, but the brightness in the black state can be greatly reduced, so that the contrast ratio of the area is improved.
Second, since the second display area 2-2 is located farther from the experimenter than the first sub display area 2-11 on the screen, that is, when the experimenter views the screen, the viewing angle range of the first sub display area 2-11 is smaller than that of the second display area 2-2, the width of the fourth protruding portion 403 located in the second display area 2-2 along the second direction Y is larger than that of the third protruding portion 303 located in the first sub display area 2-11, that is, the liquid crystal filling space occupied by the protruding portion located in the second display area 2-2 is larger than that of the first display area 2-11, so that the scattering degree of light passing through the second display area 2-2 is smaller than that of the first sub display area 2-11 under the condition that the brightness effect on high gray scale display is smaller, and the contrast ratio of the second display area 2-2 is further improved.
It should be noted that, as shown in fig. 17, the first protrusion 103 of the first display area 2-1 is located at least on one side of the first electrode region 10 of the first sub-pixel unit P1 along the first direction X, and the second protrusion 203 of the second display area 2-2 is located at least on one side of the first electrode region 10 of the second sub-pixel unit P2 along the first direction X; as shown in fig. 18, the first protrusion 103 of the first display area 2-1 is located at least one side of the first electrode region 10 of the first sub-pixel unit P1 along the second direction Y, and the second protrusion 203 of the second display area 2-2 is located at least one side of the first electrode region 10 of the second sub-pixel unit P2 along the second direction Y, which is not limited in the present invention. Alternatively, the width of the first protruding portion 103 along the first direction X or the second direction Y may be greater than the width of the first protruding portion 103 in the remaining first display area 2-1 and less than the width of the second protruding portion 203 along the corresponding direction in the second display area 2-2, so as to realize gradual change of the width of the protruding portion, realize transition of contrast, and make the display effect of the display panel 2 change finer.
Alternatively, as shown in fig. 6, 19 and 20, fig. 19 is a schematic cross-sectional view taken along a section line A-A 'of fig. 6, and fig. 20 is another schematic cross-sectional view taken along a section line A-A' of fig. 6; the display panel 1 includes an array substrate A1 and a color film substrate C1, the pixel electrode PE is located on the array substrate A1, as shown in fig. 19, the first protrusion 103 is located on the array substrate A1 and located on a side of the pixel electrode PE near the color film substrate C1, and the first protrusion 103 is an organic film; optionally, the second protrusion 203, the third protrusion 303, and the fourth protrusion 403 may also be located on a side of the pixel electrode PE near the color film substrate C1, and may also be an organic film; correspondingly, the support columns 104 are located on the color film substrate C1, and optionally, the support columns 104 contact with the protruding portions, so as to support the display panel 1.
As shown in fig. 20, the first protrusion 103 is located on the color film substrate C1, and the color film substrate C1 includes a first color resistor K and a blue color resistor B, where the first color resistor K may be a red color resistor or a green color resistor, and the first color resistor K and the blue color resistor B are both located in the light-transmitting region 102 of the sub-pixel unit P, and are used for filtering light entering the color film substrate C1 and filtering the light into light with a corresponding wavelength, so that when the first color resistor K is prepared, a portion for forming the first protrusion 103 may be simultaneously prepared, and when the blue color resistor B is prepared, a portion for forming the first protrusion 103 may be simultaneously prepared, that is, the first protrusion 103 is formed by stacking the first color resistor K and the blue color resistor B; alternatively, the second raised portion 203, the third raised portion 303, and the fourth raised portion 403 may also be stacked by the first color resist K and the blue color resist B; accordingly, the support columns 104 are located on the array substrate A1, and optionally, the support columns 104 contact with the protrusions, thereby supporting the display panel 1.
The embodiment of the invention also provides a display device, which comprises a large-size display screen, such a display terminal product can be used in the fields of vehicle-mounted, medical treatment, aviation, entertainment and the like, as shown in fig. 21, fig. 21 is a schematic top view of the display device provided by the embodiment of the invention, the display device 3 shown in fig. 21 comprises the display panel 1, and the beneficial effects generated by the display device 3 are also the beneficial effects described in the above embodiment, and are not repeated here.
While the foregoing description illustrates and describes the preferred embodiments of the present application, it is to be understood that this application is not limited to the forms disclosed herein, but is not to be construed as an exclusive use of other embodiments, and is capable of many other combinations, modifications and environments, and adaptations within the scope of the inventive concept described herein, through the foregoing teachings or through the skill or knowledge of the relevant arts. And that modifications and variations which do not depart from the spirit and scope of the present invention are intended to be within the scope of the appended claims.
Claims (14)
1. A display panel, comprising:
a plurality of scan lines and a plurality of data lines, the scan lines extending in a first direction, the data lines extending in a second direction, the first direction intersecting the second direction;
the pixel structure comprises a plurality of sub-pixel units arranged in an array manner, wherein the region where the sub-pixel units are located is a sub-pixel unit region, the sub-pixel unit region comprises a light transmission region and a non-light transmission region, the light transmission region comprises a first electrode region, and the sub-pixel units are provided with pixel electrodes;
in a direction perpendicular to the display panel, an edge projection of the first electrode region along the first direction overlaps an edge projection of the pixel electrode along the first direction, and an edge projection of the first electrode region along the second direction overlaps an edge projection of the pixel electrode along the second direction;
a first display region including a first sub-pixel unit, a first projection projecting at least on one side of the first electrode region of the first sub-pixel unit in a direction perpendicular to the display panel;
the display panel further comprises a second display area and a second protruding portion, wherein the second display area comprises a second sub-pixel unit, and the second protruding portion is projected to be at least located on at least one side of the first electrode area of the second sub-pixel unit in the direction perpendicular to the display panel;
the first electrode area of the first sub-pixel unit points to the direction of the area where the first protruding part is projected, the projection of the first protruding part has a first width, the first electrode area of the second sub-pixel unit points to the direction of the area where the second protruding part is projected, the projection of the second protruding part has a second width, and the first width is smaller than the second width.
2. The display panel of claim 1, wherein the display panel comprises,
the first electrode region of the first sub-pixel unit is a first sub-electrode region, and the first electrode region of the second sub-pixel unit is a second sub-electrode region;
in the direction perpendicular to the display panel, the projection of the first protruding portion is located on the same side of the first sub-electrode region along the second direction, the first protruding portion extends along the first direction, the projection of the second protruding portion is located on the same side of the second sub-electrode region along the second direction, and the second protruding portion extends along the first direction.
3. The display panel of claim 2, wherein the display panel comprises,
the first protruding portion extends in the first display area along a first direction and penetrates through the sub-pixel unit areas of the first sub-pixel units in the same row, and the second protruding portion extends in the second display area along the first direction and penetrates through the sub-pixel unit areas of the second sub-pixel units in the same row.
4. A display panel according to claim 2 or 3, wherein,
the display panel includes support posts, and in a direction perpendicular to the display panel, a projection of the support post in the first display region at least partially overlaps a projection of the first boss, and a projection of the support post in the second display region at least partially overlaps a projection of the second boss.
5. The display panel of claim 1, wherein the display panel comprises,
the first electrode region of the first sub-pixel unit is a first sub-electrode region, and the first electrode region of the second sub-pixel unit is a second sub-electrode region;
in the direction perpendicular to the display panel, the projection of the first protruding part is positioned on the same side of the first sub-electrode area along the second direction, and the projection of the second protruding part is positioned on the same side of the second sub-electrode area along the second direction;
and along the second direction, the projection of the first protruding part is positioned in the projection of the first sub-electrode area, and the projection of the second protruding part is positioned in the projection of the second sub-electrode area.
6. The display panel of claim 5, wherein the display panel comprises,
the display panel comprises support columns, in the direction perpendicular to the display panel, the projections of the support columns in the first display area overlap with the projection parts of two adjacent first protruding parts, and the projections of the support columns in the second display area overlap with the projection parts of two adjacent second protruding parts.
7. The display panel according to claim 2 or 5, wherein,
the first electrode region has an end region and a main region, the end region is located at both sides of the main region in the second direction, the extending direction of the pixel electrode located at the main region intersects with the extending direction of the pixel electrode located at the end region, and the projection of the second protrusion at least partially overlaps with the end region in a direction perpendicular to the display panel.
8. The display panel of claim 1, wherein the display panel comprises,
the first electrode region of the first sub-pixel unit is a first sub-electrode region, and the first electrode region of the second sub-pixel unit is a second sub-electrode region;
in the direction perpendicular to the display panel, the projections of the first protrusions are located on the same side of the first sub-electrode region along the first direction, and the projections of the second protrusions are located on the same side of the second sub-electrode region along the first direction.
9. The display panel of claim 8, wherein the display panel comprises,
the first protruding portion comprises a first supporting portion and a second supporting portion, the extending directions of the first supporting portion and the second supporting portion are intersected, the first supporting portion and the second supporting portion are provided with first connecting portions, the second protruding portion comprises a third supporting portion and a fourth supporting portion, the extending directions of the third supporting portion and the fourth supporting portion are intersected, and the third supporting portion and the fourth supporting portion are provided with second connecting portions;
in a direction perpendicular to the display panel, the first lobe projection at least partially overlaps the data line projection at the first display area, and the second lobe projection at least partially overlaps the data line projection at the second display area.
10. The display panel of claim 9, wherein the display panel comprises,
the display panel comprises support columns, in the direction perpendicular to the display panel, the projection of the support column located in the first display area overlaps with the projection of the first connecting portion, and the projection of the support column located in the second display area overlaps with the projection of the second connecting portion.
11. The display panel of claim 1, wherein the display panel comprises,
the first electrode region is provided with a main part region, the main part region comprises a middle part region and a first main part region, the first main part region is positioned at two sides of the middle part region along the second direction, and the extending direction of the pixel electrode positioned in the middle part region is intersected with the extending direction of the pixel electrode positioned in the first main part region;
the first display region includes a first sub-display region including a first sub-pixel unit, the display panel includes a third protrusion and a fourth protrusion, a projection of the third protrusion at least partially overlaps the middle region of the first sub-pixel unit in a direction perpendicular to the display panel, and a projection of the fourth protrusion at least partially overlaps the middle region of the second sub-pixel unit; the width of the fourth lobe projection along the second direction is greater than the width of the third lobe projection along the second direction.
12. The display panel of claim 1, wherein the display panel comprises,
the display panel comprises an array substrate and a color film substrate, the pixel electrode is located on the array substrate, and the first protruding portion is located on one side, close to the color film substrate, of the pixel electrode.
13. The display panel of claim 1, wherein the display panel comprises,
the display panel comprises an array substrate and a color film substrate, wherein the color film substrate comprises a first color resistor and a blue color resistor, and the first protruding portion is formed by stacking the first color resistor and the blue color resistor.
14. A display device comprising the display panel according to any one of claims 1 to 13.
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| JP5875001B2 (en) * | 2012-03-14 | 2016-03-02 | Ｎｌｔテクノロジー株式会社 | Horizontal electric field type liquid crystal display device |
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| TWI632537B (en) * | 2017-08-25 | 2018-08-11 | 友達光電股份有限公司 | Liquid crystal display panel |
| CN108196406B (en) * | 2018-02-13 | 2021-11-09 | 京东方科技集团股份有限公司 | Array substrate, manufacturing method of array substrate, display panel, operating method of display panel and electronic device |
| CN112698532A (en) * | 2019-10-23 | 2021-04-23 | 群创光电股份有限公司 | Display device |
| CN111443510B (en) * | 2020-05-28 | 2022-06-17 | 厦门天马微电子有限公司 | Display panel and display device |
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| CN106200157A (en) * | 2016-09-28 | 2016-12-07 | 上海中航光电子有限公司 | Display floater and comprise its display device |
| JP2020034748A (en) * | 2018-08-30 | 2020-03-05 | 株式会社ジャパンディスプレイ | Liquid crystal display |
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