CN114442357A - Display panel and display device - Google Patents
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- CN114442357A CN114442357A CN202111675361.2A CN202111675361A CN114442357A CN 114442357 A CN114442357 A CN 114442357A CN 202111675361 A CN202111675361 A CN 202111675361A CN 114442357 A CN114442357 A CN 114442357A
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- 238000010438 heat treatment Methods 0.000 claims abstract description 114
- 239000000758 substrate Substances 0.000 claims abstract description 43
- 239000004973 liquid crystal related substance Substances 0.000 claims abstract description 22
- 230000001788 irregular Effects 0.000 claims description 23
- 239000002184 metal Substances 0.000 claims description 15
- 238000005452 bending Methods 0.000 claims description 3
- 238000004804 winding Methods 0.000 claims description 3
- 238000004891 communication Methods 0.000 claims description 2
- 239000000126 substance Substances 0.000 claims 1
- 206010066054 Dysmorphism Diseases 0.000 abstract 1
- 230000000694 effects Effects 0.000 description 6
- 239000010408 film Substances 0.000 description 6
- 238000005192 partition Methods 0.000 description 4
- 230000004044 response Effects 0.000 description 4
- 239000010409 thin film Substances 0.000 description 4
- 230000003247 decreasing effect Effects 0.000 description 3
- 230000017525 heat dissipation Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 239000004065 semiconductor Substances 0.000 description 3
- 230000008859 change Effects 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000009413 insulation Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000001154 acute effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000005684 electric field Effects 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
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- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/1333—Constructional arrangements; Manufacturing methods
- G02F1/133382—Heating or cooling of liquid crystal cells other than for activation, e.g. circuits or arrangements for temperature control, stabilisation or uniform distribution over the cell
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- Devices For Indicating Variable Information By Combining Individual Elements (AREA)
Abstract
The embodiment of the application provides a display panel and display device, display panel have regular display area and encircle the dysmorphism display area of at least partial regular display area, and display panel includes: the liquid crystal display panel comprises a first substrate, a second substrate and a liquid crystal layer, wherein the first substrate is opposite to the second substrate; and the heating electrode is positioned between the first substrate and/or the second substrate and used for heating the liquid crystal layer, and comprises a first subsection positioned in the special-shaped display area and a second subsection positioned in the regular display area, wherein the area occupation ratio of the first subsection in the special-shaped display area is larger than that of the second subsection in the regular display area, and the area occupation ratio is the surface area of the heating electrode arranged in the unit area of the display area. The area of first subsection at special-shaped display area is great for the special-shaped display area that is located the display panel edge can receive more heats, and then makes display panel's whole be heated more evenly.
Description
Technical Field
The application relates to the technical field of display equipment, in particular to a display panel and a display device.
Background
With the continuous development of display technology, people have higher and higher requirements on display devices. In some special fields of use of display devices, it is desirable that the display device quickly meet the requirements for normal operation when the display device is started up at low temperature, i.e., that the display device quickly respond at low temperature. However, the prior art has the problem that the temperature in the display device is not uniform when the temperature responds at low temperature.
Disclosure of Invention
The embodiment of the application provides a display panel and a display device, and aims to solve the problem that the temperature in the display device is uneven when low-temperature responses are carried out.
An embodiment of a first aspect of the present application provides a display panel having a regular display area and a special-shaped display area surrounding at least part of the regular display area, the display panel comprising: the liquid crystal display panel comprises a first substrate, a second substrate and a liquid crystal layer, wherein the first substrate is opposite to the second substrate; and the heating electrode is positioned on the first substrate and/or the second substrate and used for heating the liquid crystal layer, and comprises a first subsection positioned in the special-shaped display area and a second subsection positioned in the regular display area, wherein the area occupation ratio of the first subsection in the special-shaped display area is larger than that of the second subsection in the regular display area, and the area occupation ratio is the surface area of the heating electrode arranged in the unit area of the display area.
Embodiments of the second aspect of the present application further provide a display device, including the display panel described above.
In the display panel provided by the embodiment of the application, the display panel comprises a heating electrode which is positioned between the first substrate and the second substrate and is used for heating the liquid crystal layer. The heating electrode comprises two parts, wherein the first part is positioned in the special-shaped display area, and the second part is positioned in the regular display area. The special-shaped display area is positioned at the periphery of the regular display area, namely the special-shaped display area is arranged close to the edge of the display panel. The area of first subsection at special-shaped display area is great for the special-shaped display area that is located the display panel edge can receive more heats, and then makes display panel's whole be heated more evenly. When the display panel is used for a display device, the problem of nonuniform temperature in the low-temperature response display device can be solved.
Drawings
Other features, objects, and advantages of the present application will become apparent from the following detailed description of non-limiting embodiments thereof, when read in conjunction with the accompanying drawings, in which like or similar reference characters identify the same or similar features.
Fig. 1 is a schematic structural diagram of a display panel according to an embodiment of the present disclosure;
FIG. 2 is a schematic cross-sectional view taken along the direction C-C in FIG. 1;
FIG. 3 is an enlarged schematic view of the region Q of FIG. 1;
FIG. 4 is an enlarged schematic view of the region M of FIG. 3 in one example;
FIG. 5 is an enlarged schematic view of region M of FIG. 3 in another example;
FIG. 6 is an enlarged schematic view of region M of FIG. 3 in another example;
FIG. 7 is an enlarged schematic view of region M of FIG. 3 in another example;
FIG. 8 is an enlarged schematic view of region M of FIG. 3 in another example;
FIG. 9 is an enlarged schematic view of region M of FIG. 3 in another example;
FIG. 10 is an enlarged view of the region M of FIG. 3 in another example;
FIG. 11 is an enlarged schematic view of region M of FIG. 3 in another example;
FIG. 12 is an enlarged schematic view of region M of FIG. 3 in another example;
FIG. 13 is an enlarged schematic view of region M of FIG. 3 in another example;
fig. 14 is a schematic top view of a portion of a display panel according to another embodiment of the present application;
FIG. 15 is a schematic cross-sectional view taken along line A-A' of FIG. 14;
FIG. 16 is a cross-sectional view taken along line B-B' of FIG. 14;
fig. 17 is a schematic structural diagram of a display device according to an embodiment of the present application.
Description of reference numerals:
10. a display panel; 11. a first pixel opening area; 12. a first non-open area; 12a, a first section; 12b, a second section; 12c, a third section; 12d, a fourth section; 13. a sub-pixel; 14. a virtual pixel region; 15. a virtual sub-pixel; 17. a gate line; 16. a data line;
01. a first substrate; 02. a second substrate; 03. a liquid crystal layer; 03. liquid crystal particles; 031. a gate line layer; 55. a source/drain metal layer; 52. a pixel electrode layer; 56. a common electrode layer; 51. A thermally conductive insulating layer 09;
100. heating the electrode; 101. a first section; 110. a first heating electrode; 110a, a first route segment; 110b, a second line segment; 110c, a third line segment; 110d and a fourth line segment; 111. A main body portion; 112. a cross section; 120. a second heating electrode; 130. routing at the edge; 140. Extending and routing; 141. a bending section; 142. a winding section; 102. a second subsection; 103. a third subsection;
AA. A display area; AA1, rule display area; AA2, special-shaped display area; l1, profiled edge; NA, non-display area;
x, a first direction; y, second direction.
Detailed Description
Features and exemplary embodiments of various aspects of the present application will be described in detail below. In the following detailed description, numerous specific details are set forth in order to provide a thorough understanding of the present application. It will be apparent, however, to one skilled in the art that the present application may be practiced without some of these specific details. The following description of the embodiments is merely intended to provide a better understanding of the present application by illustrating examples thereof. In the drawings and the following description, at least some well-known structures and techniques have not been shown in detail in order to avoid unnecessarily obscuring the present application; also, the dimensions of some of the structures may be exaggerated for clarity. Furthermore, the described features, structures, or characteristics may be combined in any suitable manner in one or more embodiments.
In the description of the present application, it is to be noted that, unless otherwise specified, "a plurality" means two or more; the terms "upper," "lower," "left," "right," "inner," "outer," and the like, indicate an orientation or positional relationship that is merely for convenience in describing the application and to simplify the description, and do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the application. Furthermore, the terms "first," "second," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
The directional terms appearing in the following description are directions shown in the drawings and do not limit the specific structure of the embodiments of the present application. In the description of the present application, it is also to be noted that, unless otherwise explicitly specified or limited, the terms "mounted" and "connected" are to be interpreted broadly, e.g., as being either fixedly connected, detachably connected, or integrally connected; can be directly connected or indirectly connected. The specific meaning of the above terms in this application can be understood as appropriate by one of ordinary skill in the art.
With the continuous development of display technology, people have higher and higher requirements on display devices. In some special fields of use of display devices, it is desirable that the display device quickly meet the requirements for normal operation when the display device is started up at low temperature, i.e., that the display device quickly respond at low temperature. However, the prior art has the problem that the temperature in the display device is not uniform when the temperature responds at low temperature.
A fast response of the display device at low temperature can be achieved by adding a heating electrode to the display device. The heating electrode is usually arranged in the display area, because the edge of the display area, especially the special-shaped edge of the display area, is closer to the edge of the display device, and the extending path of the special-shaped edge is long, the edge of the display area is in contact with the outside for heat conduction fast, the heat conduction of the special-shaped edge is faster, the temperature near the special-shaped edge of the display area is lower, the temperature near the central position of the display area is higher, the temperature difference of different positions of the display area is larger, and the display of the display panel is poor easily caused.
The present application is proposed to solve the above-mentioned technical problems. For better understanding of the present application, the display panel and the display device according to the embodiment of the present application are described in detail below with reference to fig. 1 to 15.
As shown in fig. 1 and fig. 2, an embodiment of the first aspect of the present application provides a display panel 10, where the display panel 10 has a regular display area AA1 and a special-shaped display area AA2 surrounding at least a part of the regular display area AA1, and the display panel 10 includes: a first substrate 01, a second substrate 02, and a liquid crystal layer 03. The second substrate 02 is arranged opposite to the first substrate 01, and the liquid crystal layer 03 is positioned between the first substrate 01 and the second substrate 02; the heating electrode 100 is positioned on the first substrate 01 and is used for heating the liquid crystal layer 03; it should be noted that, in other practical embodiments, the heating electrode 100 may be located on the second substrate 02, or may be disposed on both the first substrate 01 and the second substrate 02, and the specific position of the heating electrode 100 is not absolutely limited in this embodiment; the heating electrode 100 comprises a first part 101 located in the irregular display area AA2 and a second part 102 located in the regular display area AA1, wherein the area ratio of the first part 101 in the irregular display area AA2 is larger than the area ratio of the second part 102 in the regular display area AA1, and the area ratio is the surface area of the heating electrode 100 arranged in a unit area of the display area AA.
The area ratio of the first section 101 in the irregular display area AA2 is the ratio of the area of the first section 101 to the area of the irregular display area AA2 per unit area. The area ratio of the second section 102 in the rule display area AA1 is the ratio of the area of the second section 102 to the area of the rule display area AA1 per unit area. Only the arrangement positions of the first part 101 and the second part 102 are illustrated in fig. 1, the first part 101 may have other shapes and be located at other positions of the irregular display area AA2, and the second part 102 may have other shapes and be located at other positions of the regular display area AA 1. It is within the protection scope of the present disclosure that the area ratio of the first sub-portion 101 in the special-shaped display area AA2 is greater than the area ratio of the second sub-portion 102 in the regular display area AA1 as long as the first sub-portion 101 is located in the special-shaped display area AA2 and the second sub-portion 102 is located in the regular display area AA 1.
In the display panel 10 provided in the embodiment of the present application, the display panel 10 includes the heating electrode 100 between the first substrate 01 and the second substrate 02 for heating the liquid crystal layer 03. The heating electrode 100 includes two portions, a first portion 101 is located in the irregular display area AA2, and a second portion 102 is located in the regular display area AA 1. The irregular display area AA2 is located at the periphery of the regular display area AA1, that is, the irregular display area AA2 is disposed near the edge of the display panel 10, and the heat dissipation capability of the irregular display area AA2 is greater than that of the regular display area AA 1. The area ratio of the first sub-portion 101 in the irregular display area AA2 is relatively large, so that the irregular display area AA2 located at the edge of the display panel 10 can receive more heat, and the whole display panel 10 is heated more uniformly. When the display panel 10 is used in a display device, the problem of temperature unevenness in the low-temperature response display device can be solved.
In the embodiment of the application, the area ratio of the first sub-portion 101 in the special-shaped display area AA2 is greater than the area ratio of the second sub-portion 102 in the regular display area AA1, that is, the distribution area of the heating electrode 100 in the special-shaped display area AA2 is larger, so that the heating electrode 100 can provide more heat to the special-shaped display area AA2, the temperatures in the special-shaped display area AA2 and the regular display area AA1 are more balanced, and the whole display panel 10 is heated more uniformly.
The shape of the regular display area AA1 is provided in various ways, and alternatively, the shape of the regular display area AA1 may be a circular planar structure, a polygonal planar structure, or the like, for example, the shape of the regular display area AA1 may be a rectangular structure.
The shape of the shaped display area AA2 may be various, such as a polygon, a circular arc, a circular ring, etc., for example, the shaped display area AA2 may extend along an arc-shaped bending path to be in a semicircular ring shape or a quarter of a circular ring shape. Specifically, the position of the opposite sex display area AA2 may be located at an R corner, a groove, a chamfered corner, or the like of the display panel 10.
Alternatively, the regular display area AA1 and the irregular display area AA2 together constitute the entire display area AA of the display panel 10. In other embodiments, the display area AA of the display panel 10 may also include other areas capable of displaying.
Optionally, referring to fig. 2, the first substrate 01 further includes a thermal insulation layer 09, and the thermal insulation layer 09 is disposed between the heating electrode 100 and the liquid crystal layer 03 to prevent the display panel 10 from displaying a dead pixel caused by the heating electrode 100 directly heating the liquid crystal layer 03. In some embodiments, the first substrate 01 may be further provided with other film layers.
As shown in fig. 3, the embodiment of the present application is exemplified by the regular display area AA1 being a rectangular structure with rounded corners and the irregular display area AA2 being a part of a circular ring. In other embodiments, the regular display area AA1 and the irregular display area AA2 may have other shapes, as long as the irregular display area AA2 is disposed around at least a portion of the regular display area AA1, and the irregular display area AA2 is closer to the edge of the display panel 10.
In some alternative embodiments, as shown in FIGS. 1, 3 and 4, the shaped display area AA2 includes a plurality of first pixel opening areas 11 and a first non-opening area 12 at least partially enclosing the first pixel opening areas 11; the first section 101 includes a first heating electrode 110, the first heating electrode 110 extending within the first non-open area 12; wherein the size of the first heating electrode 110 has a tendency to become larger in a direction away from the regular display area AA 1. Optionally, a light emitting part is provided in the first pixel opening area 11 to realize light emitting display of the shaped display area AA 2.
In these alternative embodiments, the first heating electrode 110 is located in the first non-opening region 12, i.e. the first heating electrode 110 is located at a position offset from the first pixel opening region 11, and the arrangement of the first heating electrode 110 does not affect the normal luminous display of the shaped display area AA 2. In the direction away from the regular display area AA1, the irregular display area AA2 is closer to the outer edge of the display panel 10, and the heat dissipation rate of the irregular display area AA2 is faster, so that when the size of the first heating electrode 110 tends to increase along the direction away from the regular display area AA1, the heating performance of the first heating electrode 110 tends to increase along the direction away from the regular display area AA1, and the temperature unevenness between the center and the display edge of the display panel 10 can be better improved.
Optionally, the regular display area AA1 further includes a plurality of second pixel openings (not shown) and a second non-opening area (not shown) at least partially enclosing the second pixel opening area, and the second sub-portion 102 is located in the second non-opening area, so as to prevent the second sub-portion 102 from affecting the display of the regular display area AA 1.
Alternatively, as shown in fig. 1, 3 and 4, a plurality of first pixel opening areas 11 are distributed in an array along the first direction X and the second direction Y. The direction away from regular display area AA1 may be away from regular display area AA1 in a first direction X or away from regular display area AA1 in a second direction Y; that is, the size of the first heating electrode 110 distant from the regular display area AA1 in the first direction X and/or the second direction Y may be set to have a tendency to become larger, and the size herein may refer to a width intersecting an extending direction of the first heating electrode 110.
Specifically, alternatively, when the edge of the regular display area AA1 adjacent to the first heating electrode 110 is a straight line, the direction away from the regular display area AA1 is perpendicular to the edge of the regular display area AA 1. When the edge of the regular display area AA1 adjacent to the first heating electrode 110 is curved, the direction away from the regular display area AA1 is perpendicular to a tangent line at any position of the edge of the regular display area AA 1.
In some alternative embodiments, as shown in fig. 1, 3 and 5, the width of the first non-opening area 12 between two adjacent first pixel opening areas 11 has a tendency to increase in a direction away from the regular display area AA1, and the width of the first heating electrode 110 increases as the width of the first non-opening area 12 at the corresponding position increases.
In these alternative embodiments, the width of the first non-opening area 12 between the adjacent two first pixel opening areas 11 has a tendency to increase in a direction away from the regular display area AA1, while the size of at least one of the first pixel opening areas 11 has a tendency to decrease, which can improve the saw-tooth display effect at the edge of the irregular display area AA 2. Further, the width of the first non-opening area 12 between the adjacent two first pixel opening areas 11 has a tendency to increase, and it is possible to leave a sufficient space for the arrangement of the first heating electrodes 110, and it is possible to place the first heating electrodes 110 of a larger surface area. Alternatively, the width of the first non-open area 12 may be the width of the first non-open area 12 in the first direction X and/or the second direction Y.
Specifically, with continuing reference to fig. 1, 3 and 5, the first non-opening area 12 includes a first section 12a and a second section 12b extending in the first direction X and adjacent to each other, the first section 12a is located on a side of the second section 12b away from the regular display area AA1, and the first section 12a has a larger width than the second section 12 b; the first heating electrode 110 includes a first line segment 110a and a second line segment 110b extending along the first direction X and connected to each other, the first line segment 110a is located in the first section 12a, the second line segment 110b is located in the second section 12b, and a line width of the first line segment 110a is greater than that of the second line segment 110 b.
The width direction is the second direction Y, and then the width of the first section 12a refers to the extension of the first section 12a in the second direction Y, and the width of the second section 12b refers to the extension of the second section 12b in the second direction Y. The width of the first running segment 110a refers to the extension of the first running segment 110a in the second direction Y, and the width of the second running segment 110b refers to the extension of the second running segment 110b in the second direction Y.
In these alternative embodiments, the first non-open area 12 comprises a first section 12a and a second section 12b of different widths distributed in succession in the first direction X. Correspondingly, the first heating electrode 110 includes a first line segment 110a and a second line segment 110b which are distributed in the first direction X and have different widths in sequence, so that the shape of the first sub-portion 101 is more adapted to the shape of the first non-opening area 12, and the distribution area of the first sub-portion 101 in the irregular display area AA2 is further increased.
Alternatively, the number of the first segments 12a and the second segments 12b may be one or more, as long as the first heating electrode 110 includes a plurality of segments which are distributed in the first direction X and have different widths.
In some alternative embodiments, as shown in fig. 1, 3 and 6, the first subsection 101 further includes a second heating electrode 120, and the first heating electrodes 110 located at opposite sides of the first pixel opening area 11 are communicated with each other through the second heating electrode 120. By additionally arranging the second heating electrode 120, the distribution area and the distribution uniformity of the first sub-portion 101 in the special-shaped display area AA2 can be further improved, the heating effect of the first sub-portion 101 can be further improved, and the temperature unevenness of the display panel 10 can be better improved.
Alternatively, as shown in fig. 6, the first direction X is a row direction, and the second direction Y is a column direction. When the first heating electrodes 110 extend in the first direction X and are positioned between two adjacent rows of the first pixel opening areas 11, the second heating electrodes 120 may be formed to extend in the second direction Y to connect two first heating electrodes 110 arranged in the second direction Y.
It should be noted that, in other embodiments, when the first heating electrodes 110 are formed to extend along the second direction Y and located between two adjacent columns of the first pixel opening areas 11, the second heating electrodes 120 may be formed to extend along the first direction X to connect two first heating electrodes 110 arranged in the first direction X. Therefore, the extension direction of the first heating electrode 110 and the second heating electrode 120 is not absolutely limited in the embodiments of the present application, and any design that can realize the cross-connection of the first heating electrode 110 and the second heating electrode 120 is understood to be included in the protection scope of the present application.
Alternatively, as shown in fig. 7, the two first heating electrodes 110 connected by the second heating electrode 120 may be distributed in the first direction X in succession, that is, the two first heating electrodes 110 connected by the second heating electrode 120 are respectively located at two opposite sides of the first pixel opening area 11 in the same row, and the plurality of first heating electrodes 110 and the plurality of second heating electrodes 120 are connected to form a shape generally presenting an "S" shape and extending along the first direction X. Alternatively, the first heating electrodes 110 and the second heating electrodes 120 are alternately arranged.
In some alternative embodiments, referring to fig. 1, 3 and 8, the first non-opening area 12 further includes a third section 12c and a fourth section 12d extending along a second direction Y, the third section 12c is located on a side of the fourth section 12d away from the regular display area AA1, the second direction Y intersects the first direction X, the width of the third section 12c is greater than that of the fourth section 12d, and the third section 12c, the fourth section 12d, the first section 12a and the second section 12b are connected to each other; the first heating electrode 110 includes a third line segment 110c and a fourth line segment 110d extending along the second direction Y and intersecting with each other, the third line segment 110c is located in the third section 12c, the fourth line segment 110d is located in the fourth section 12d, the third line segment 110c has a width larger than that of the fourth line segment 110d, and the third line segment 110c or the fourth line segment 110d is communicated with the first line segment 110a or the second line segment 110 b.
In these alternative embodiments, the first non-open area 12 includes third and fourth sections 12c and 12d of different widths distributed in succession in the second direction Y. Correspondingly, the third line segment 110c and the fourth line segment 110d with different widths are sequentially distributed on the first heating electrode 110 in the second direction Y, so that the shape of the first sub-portion 101 is more adapted to the shape of the first non-opening area 12, and the distribution area of the first sub-portion 101 in the special-shaped display area AA2 and the regional adjustment optimization of the heating effect are further improved.
Alternatively, the number of the third segment 12c and the fourth segment may be one or more, and only the first heating electrode 110 includes a plurality of segments distributed in the second direction Y and having different widths.
In addition, the first heating electrode 110 includes both the first line segment 110a and the second line segment 110b, and also includes the third line segment 110c and the fourth line segment 110d, so that the shape of the first heating electrode 110 is more adapted to the shape of the first non-opening area 12, and the distribution area of the first sub-portion 101 in the irregular display area AA2 is further increased. The third line segment 110c or the fourth line segment 110d is in communication with the first line segment 110a or the second line segment 110 b. The third running line segment 110c and the fourth running line segment 110d are connected with the first running line segment 110a and the second running section more densely, and the distribution area of the first part 101 in the special-shaped display area AA2 is substantially increased.
Optionally, when the first heating electrode 110 includes both the first line segment 110a and the second line segment 110b, and also includes the third line segment 110c and the fourth line segment 110d, the first heating electrode 110 may be in a grid shape and have a hollow portion, and the first pixel opening area 11 is correspondingly located in the hollow portion. The first running line segment 110a, the second running line segment 110b, the third running line segment 110c and the fourth running line segment 110d are mutually crossed and connected to form a grid. Referring to fig. 3 and 8, along a direction away from the regular display area AA1, the width of the grid edge tends to increase, the size of the hollow portion of the first heating electrode 110 tends to decrease, and the area of the first pixel opening area 11 tends to decrease.
In some alternative embodiments, referring to fig. 1, 3 and 9, the width of the first heating electrode 110 is decreased along the direction that the shaped display area AA2 points to the regular display area AA 1; the plurality of first heating electrodes 110 are arranged along a direction intersecting with the extending direction of the single first heating electrode 110. Specifically, when the first heating electrode 110 extends in the first direction X, the plurality of first heating electrodes 110 are arranged along the second direction Y; on the contrary, when the first heating electrodes 110 extend along the second direction Y, the plurality of first heating electrodes 110 are arranged along the second direction X; the first direction X and the second direction Y intersect, and more specifically, may be perpendicular.
Further alternatively, in a direction pointing to the regular display area AA1 along the irregular display area AA2, the width between the plurality of first heating electrodes 110 arranged along the direction may be set to gradually decrease; that is, not only the single first heating electrode 110 extending in the direction satisfies the tendency of the width gradually decreasing, but also the plurality of first heating electrodes 110 arranged in the direction may satisfy the tendency of the width gradually decreasing. With such an arrangement, the heating gradual change effect is more uniform, the display panel 10 can be heated more uniformly, and the heating gradual change effect is more uniform
In further alternative embodiments, as shown in fig. 2, 3 and 10, the first heater electrode 110 includes a cross-connected main body portion 111 and a cross section 112, the main body portion 111 is formed to extend along a second direction Y, the second direction Y intersects with the first direction X, and the cross section 112 is connected to the main body portion 111 and is located at least one side of the main body portion 111 in the first direction X.
In these alternative embodiments, the position of the cross section 112 may be set according to the size of the first opening region, and the area of the first heating electrode 110 may be increased by adding the cross section 112, so as to improve the heat generating capacity of the first heating electrode 110.
In other embodiments, the length direction of the main body 111 may also be the first direction X; the crossing portion 112 is connected to the main body portion 111 and is located on at least one side of the main body portion 111 in the second direction Y. . The present embodiment exemplifies the case where the longitudinal direction of the body 111 is the second direction Y. When the main body 111 is formed to extend in the second direction Y, the cross section 112 is located on at least one side of the main body 111 in the second direction Y.
Optionally, the plurality of intersecting sections 112 are respectively disposed at two sides of the main body 111, and the intersecting sections 112 are symmetrically distributed at two sides of the main body 111, so that the heat generated by the first heating electrode 110 is more uniform.
The angle between the cross section 112 and the main body 111 can be set in various ways, and the cross section 112 and the main body 111 can be set perpendicular to each other. Or the included angle between the cross section 112 and the main body 111 is acute.
In some alternative embodiments, as shown in fig. 3 and 11, the first pixel opening region 11 has a dark domain aa therein, and the dark domain aa cannot be normally displayed; the first heater electrode 110 overlaps a projection of the dark domain aa in a direction perpendicular to the display panel 10. That is, at least a portion of the first heating electrode 110 is located in the dark domain AA, that is, at least a portion of the first heating electrode 110 is located in the first pixel opening area 11, the heating effect of the irregular-shaped display area AA2 can be improved by using the space of the dark domain AA.
In some alternative embodiments, as shown in fig. 2, fig. 3, fig. 12 and fig. 13, a side of the shaped display area AA2 away from the rule display area AA1 has a shaped edge L1, and the first section 101 includes an edge trace 130 extending along at least a portion of the shaped edge L1, and an extending trace 140 led out from the edge trace 130 and extending in a direction close to the rule display area AA 1. By providing the edge trace 130 near the shaped edge L1, the first section 101 is enabled to better adapt to the outer contour of the shaped area. The extending traces 140 disposed on the shaped edge L1 can further increase the distribution area of the first section 101 near the shaped edge L1, and better improve the temperature unevenness of the display panel 10.
Alternatively, the edge trace 130 only needs to extend along the extending direction of the shaped edge L1. The extending direction of the shaped edge L1 refers to a direction in which the starting point of the shaped edge L1 points to the end point thereof. As shown in FIG. 12, the edge trace 130 extends in the direction extending from the start point to the end point of the shaped edge L1 and is misaligned with the first pixel opening area 11. Alternatively, as shown in FIG. 12, the edge trace 130 extends along the same path as the shaped edge L1.
The extending traces 140 can be disposed in various ways, for example, a plurality of extending traces 140 are disposed at intervals along the extending direction of the edge trace 130. The extension trace 140 can extend to the first non-open area 12 to enable the extension trace 140 to fit into the first non-open area 12.
In some alternative embodiments, as shown in fig. 13, the extending trace 140 includes a bent portion 141 bent along a predetermined angle and/or a winding portion 142 wound around a predetermined center, so that at least a portion of the first sub-portion 101 fills the inside of the shaped display area AA 2. The extension wire 140 can be adapted to the first non-opening areas 12 with different shapes, the distribution area of the first sub-portion 101 in the special-shaped display area AA2 is increased, and the extension wire 140 can avoid the first pixel opening area 11.
In some alternative embodiments, as shown in fig. 2, the display panel 10 further includes a non-display area NA disposed around at least a portion of the display area AA. The non-display area NA includes a metal layer M, and the heating electrode 100 includes a third sub-portion 103 located in the non-display area NA; the metal layer M may be at least partially multiplexed into the third section 103 of the heater electrode 100.
Specifically, the non-display area NA is located on a side of the shaped display area AA2 facing away from the regular display area AA 1. In the embodiment of the present application, the third sub-portion 103 can heat the non-display area NA, so as to reduce the heat conduction amount between the irregular-shaped display area AA2 and the non-display area NA, and improve the defect that the irregular-shaped display area AA2 dissipates heat quickly. It should be noted that, in the present application, the film layer arrangement and the number of the metal layer M in the non-display area NA are not absolutely arranged, and of course, the metal layer M which satisfies the requirement of multiplexing or the same film layer arrangement can be used as the third distribution 103 of the heating electrode 100.
Further optionally, referring to fig. 14 and fig. 15, the display panel 10 includes an array substrate 01, a color filter substrate 02, and a liquid crystal layer 03 located between the array substrate 01 and the color filter substrate 02; the array substrate 01 is provided with a plurality of rows of gate lines 17 and a plurality of columns of data lines 16 intersecting each other, a plurality of sub-pixels 13 defined by the plurality of rows of gate lines 17 and the plurality of columns of data lines 16 intersecting each other, and at least one of the sub-pixels 13 is provided with a thin film transistor 21 (including a gate electrode 55, a source electrode 52 and a drain electrode 53), a pixel electrode 56 and a common electrode 51. Each thin film transistor 21 has a gate electrode 55 connected to one gate line 17, a source electrode 52 connected to one data line 16, and a drain electrode 53 connected to one pixel electrode 56. The data voltage signal is transmitted to the thin film transistor 21 electrically connected thereto through the data line 16 under the control of the corresponding gate line 17, and is transmitted to the pixel electrode 56 via the thin film transistor 21. When the liquid crystal display panel is displaying, i.e. in the display stage, the common electrode 51 receives a common voltage signal (usually a constant voltage signal), and an electric field is formed between the pixel electrode 56 and the common electrode 51 to control the rotation of the liquid crystal molecules in the liquid crystal layer 43, so as to achieve the display function.
As described above, the array substrate 01 generally includes metal material layers such as the gate line layer 55, the source/drain metal layer 52, the semiconductor layer 54, the pixel electrode layer 56, and the common electrode layer 51. The metal layer M may be disposed in the same process as at least one of the gate line layer 55, the source/drain metal layer 52, the pixel electrode layer 56, and the common electrode layer 51.
In some alternative embodiments, as shown in fig. 14 and 16, the non-display area NA includes a dummy pixel area 14, the dummy pixel area 14 includes a plurality of dummy sub-pixels 15, and the dummy sub-pixels 15 cannot receive a signal for driving the liquid crystal panel to display, so that the dummy sub-pixels 15 cannot perform normal display; alternatively, as shown in fig. 16, the dummy sub-pixel 15 may have the same film structure as the sub-pixel 13 in the display area AA as long as the signal blocking design is ensured, for example, there is no perforated electrical connection between the pixel electrode 56 and the drain 53 in the dummy sub-pixel 15, and the data driving voltage cannot be supplied to the pixel electrode 56; of course, in other embodiments, the dummy sub-pixel 15 may also retain a part of the film structure of the sub-pixel 13 in the display area AA, for example, the semiconductor layer, the gate layer, and the like of the normal sub-pixel are removed, and therefore, the application does not specifically limit the film structure of the dummy sub-pixel 15. Specifically, when the dummy pixel region 14 includes at least one of the gate line layer 55, the source/drain metal layer 52, the pixel electrode layer 56, and the common electrode layer 51, multiplexing of at least part of at least one of the gate line layer 55, the source/drain metal layer 52, the pixel electrode layer 56, and the common electrode layer 51 into the third section 103 may be utilized. As shown in fig. 16, the third partition 103 may be multiplexed with the gate line layer 04. In other embodiments, at least one of the source/drain metal layer 52, the semiconductor layer 54, the pixel electrode layer 56, and the common electrode layer 51 may also be multiplexed into the third partition 103.
It should be noted that, in other embodiments, when the display panel 10 includes a touch routing layer, the third sub-section may also be prepared by using the touch routing layer; therefore, the present application does not impose any limitation on the third sub-section 103 of the heating electrode that can be reused as the non-display area NA, and it is within the scope of the present invention as long as there is a metal layer that can satisfy the multiplexing function.
In these alternative embodiments, by multiplexing at least one of the source/drain metal layer 52, the pixel electrode layer 56, and the common electrode layer 51 of the non-display area NA as the third partition 103, the arrangement manner of the third partition 103 can be simplified, and the process implementation is cheaper and simpler.
In some alternative embodiments, the third portion 103 located in the non-display area NA includes two branches that are disposed in parallel and electrically connected. The heating capacity of the third sub-section 103 in the non-display area NA can be improved by providing a plurality of third sub-sections 103, and the heat dissipation speed of the irregular-shaped display area AA2 can be further reduced.
Referring to fig. 17, a display device according to a second aspect of the present application is further provided, which includes the display panel 10 according to any of the first aspect of the present application. Since the display device provided in the embodiment of the second aspect of the present application includes the display panel 10 in any embodiment of the first aspect, the display device provided in the embodiment of the second aspect of the present application has the beneficial effects of the display panel 10 in any embodiment of the first aspect, and details are not repeated herein.
The display device in the embodiment of the present application includes, but is not limited to, a mobile phone, a Personal Digital Assistant (PDA), a tablet computer, an electronic book, a television, a door lock, a smart phone, a console, and other devices having a display function.
While the application has been described with reference to a preferred embodiment, various modifications may be made and equivalents may be substituted for elements thereof without departing from the scope of the application. In particular, the technical features mentioned in the embodiments can be combined in any way as long as there is no structural conflict. The present application is not intended to be limited to the particular embodiments disclosed herein but is to cover all embodiments that may fall within the scope of the appended claims.
Claims (15)
1. A display panel comprising a regular display area and a shaped display area surrounding at least a portion of the regular display area, the display panel further comprising:
a first substrate having a first surface and a second surface,
a second substrate disposed opposite to the first substrate,
the liquid crystal layer is positioned between the first substrate and the second substrate;
a heating electrode on the first substrate and/or the second substrate for heating the liquid crystal layer, the heating electrode including a first sub portion in the irregular display area and a second sub portion in the regular display area, wherein,
the area ratio of the first subsection in the special-shaped display area is larger than that of the second subsection in the regular display area, and the area ratio is the surface area of the heating electrode arranged in the unit area of the display area.
2. The display panel according to claim 1, wherein the shaped display region comprises a plurality of first pixel opening regions and a first non-opening region at least partially enclosing the first pixel opening regions;
the first section includes a first heating electrode extending within the first non-open area; wherein the content of the first and second substances,
the first heating electrode has a tendency to become larger in size in a direction away from the regular display area.
3. The display panel according to claim 2, wherein the width of the first non-opening area between adjacent two of the first pixel opening areas has a tendency to increase in a direction away from the regular display area, and the width of the first heating electrode increases as the width of the first non-opening area at the corresponding position increases.
4. The display panel of claim 2, wherein the first section further comprises:
and the first heating electrodes positioned at two opposite sides of the first pixel opening area are mutually communicated through the second heating electrodes.
5. The display panel according to claim 2,
the first non-opening area comprises a first section and a second section which extend in the first direction and are adjacent to each other, the first section is positioned on one side, away from the regular display area, of the second section, and the width of the first section is larger than that of the second section;
the first heating electrode comprises a first routing segment and a second routing segment which extend along the first direction and are connected with each other, the first routing segment is located in the first section, the second routing segment is located in the second section, and the line width of the first routing segment is larger than that of the second routing segment.
6. The display panel according to claim 5, wherein the first non-opening area further comprises a third section and a fourth section extending in a second direction, the third section is located on a side of the fourth section away from the regular display area, the second direction intersects the first direction, the third section has a width larger than that of the fourth section, and the third section, the fourth section, the first section and the second section are in communication with each other;
the first heating electrode comprises a third routing segment and a fourth routing segment which extend along the second direction and are intersected with each other, the third routing segment is located in the third section, the fourth routing segment is located in the fourth section, the width of the third routing segment is larger than that of the fourth routing segment, and the third routing segment or the fourth routing segment is communicated with the first routing segment or the second routing segment.
7. The display panel according to claim 2, wherein the plurality of first heating electrodes are arranged at intervals and have a tendency to decrease in size in a first direction; the first direction is a direction in which the special-shaped display area points to the regular display area.
8. The display panel according to claim 7, wherein the first heater electrode includes a main body portion extending in a second direction, the second direction intersecting the first direction, and a cross section connected to the main body portion and located on at least one side of the main body portion in the first direction.
9. The display panel according to claim 8, wherein the plurality of crossing segments are symmetrically distributed on both sides of the main body portion.
10. The display panel according to claim 2, wherein the first pixel opening region has a dark domain therein, and the first heater electrode overlaps the dark domain in a projection perpendicular to the display panel.
11. The display panel according to claim 1, wherein a side of the special-shaped display area away from the regular display area has a special-shaped edge, and the first sub-portion comprises an edge trace extending in a direction in which at least part of the special-shaped edge extends, and an extending trace led out from the edge trace and extending in a direction close to the regular display area.
12. The display panel according to claim 11, wherein the extension trace comprises a bending portion bent along a predetermined angle and/or a winding portion wound around a predetermined center, so that at least a portion of the first sub-portion fills the irregular-shaped display area.
13. The display panel according to claim 1, characterized in that the display panel further comprises:
a non-display area surrounding at least a portion of the display area;
the display area is provided with a plurality of gate lines, a plurality of data lines and a plurality of sub-pixels defined by the intersection of the gate lines and the data lines;
the non-display area comprises a virtual pixel area, the virtual pixel area comprises a plurality of virtual sub-pixels, and the virtual sub-pixel area comprises at least one of a grid line layer, a source/drain electrode metal layer, a pixel electrode layer, a common electrode layer and a touch wiring layer;
the heating electrode further comprises a third subsection located in the non-display area; at least one of the gate line layer, the source/drain metal layer, the pixel electrode layer, the common electrode layer, and the touch wiring layer is multiplexed into the third division.
14. The display panel according to claim 13, wherein the third segment in the non-display area comprises two branch lines arranged in parallel and electrically connected.
15. A display device characterized by comprising the display panel according to any one of claims 1 to 14.
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