CN114779540A - Display panel and display device - Google Patents
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- CN114779540A CN114779540A CN202210336834.4A CN202210336834A CN114779540A CN 114779540 A CN114779540 A CN 114779540A CN 202210336834 A CN202210336834 A CN 202210336834A CN 114779540 A CN114779540 A CN 114779540A
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- 239000004973 liquid crystal related substance Substances 0.000 claims abstract description 88
- 238000000889 atomisation Methods 0.000 claims description 18
- 239000000758 substrate Substances 0.000 claims description 12
- 210000002858 crystal cell Anatomy 0.000 claims description 11
- 230000007423 decrease Effects 0.000 claims description 9
- 230000003287 optical effect Effects 0.000 claims description 6
- 230000003247 decreasing effect Effects 0.000 claims description 4
- 230000005684 electric field Effects 0.000 description 23
- 238000010586 diagram Methods 0.000 description 14
- 230000009286 beneficial effect Effects 0.000 description 4
- 230000008878 coupling Effects 0.000 description 4
- 238000010168 coupling process Methods 0.000 description 4
- 238000005859 coupling reaction Methods 0.000 description 4
- 239000011159 matrix material Substances 0.000 description 3
- 239000004983 Polymer Dispersed Liquid Crystal Substances 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 201000009310 astigmatism Diseases 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000002834 transmittance 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
- G02F1/1343—Electrodes
- G02F1/134309—Electrodes characterised by their geometrical arrangement
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- Devices For Indicating Variable Information By Combining Individual Elements (AREA)
Abstract
The application discloses display panel and display device relates to and shows technical field, includes: a first display area, a second display area at least partially surrounding the first display area; the liquid crystal display panel comprises a first electrode layer, a second electrode layer and a first liquid crystal layer, wherein the first electrode layer and the second electrode layer are oppositely arranged, the first liquid crystal layer is positioned between the first electrode layer and the second electrode layer, and at least part of the first electrode layer and the second electrode layer are positioned in a first display area; the first electrode layer comprises a plurality of electrode branch parts, and at least part of the electrode branch parts are different in width; the first electrode layer and the second electrode layer control the area where the first liquid crystal is located to be in a transparent state or a non-transparent state together, and the transparency degrees of the areas where the first liquid crystal is located corresponding to the electrode branch parts with different widths are different. The quality of the display panel can be improved by arranging the first electrode layer as the gradual change type electrode branch part.
Description
Technical Field
The application relates to the technical field of display, in particular to a display panel and a display device.
Background
With the development of science and technology and the progress of society, people have an increasing dependence on information communication and transmission, and the display panel as a main carrier and material base for information exchange and transmission is now a hot spot for many scientists to research.
As the display panel is manufactured to be mature, the display panel provided by the prior art includes a liquid crystal display panel, an organic light emitting display panel, a plasma display panel, and the like, and generally, the display panel has a camera area, and the camera area is used for making a camera perform camera shooting through ambient light.
Disclosure of Invention
In view of the above, the present disclosure provides a display panel and a display device, in which a gradual change type electrode branch portion is disposed in a first electrode layer, so as to improve an apparent boundary between a first display area and a second display area, so that a transparent and fogging boundary is blurred, and the quality of the display panel is improved.
In order to solve the technical problem, the application has the following technical scheme:
in a first aspect, the present application provides a display panel comprising:
a first display area, a second display area at least partially surrounding the first display area;
the display panel comprises a first electrode layer, a second electrode layer and a first liquid crystal layer, wherein the first electrode layer and the second electrode layer are oppositely arranged, the first liquid crystal layer is positioned between the first electrode layer and the second electrode layer, and at least part of the first electrode layer and the second electrode layer are positioned in a first display area; the first electrode layer comprises a plurality of electrode branch parts, and at least part of the electrode branch parts are different in width; the first electrode layer and the second electrode layer control the area where the first liquid crystal is located to be in a transparent state or a non-transparent state together, and the transparency degrees of the areas where the first liquid crystal is located corresponding to the electrode branch parts with different widths are different.
In a second aspect, the present application further provides a display device, which includes a display panel, where the display panel is the display panel provided in the present application.
Compared with the prior art, the display panel and the display device provided by the invention at least realize the following beneficial effects:
according to the display panel and the display device, the first electrode layer is provided with the gradual change type electrode branch parts, at least part of the electrode branch parts are different in width, the width of the electrode branch parts refers to the size of the electrode branch parts pointing to the second display area along the first display area, at least two electrode branch parts are different in width, voltage signals are respectively input to the electrode branch parts in the first electrode layer, then the voltage signals are input to the second electrode layer, an electric field is generated between the first electrode layer and the second electrode layer, and the electric field can control the display area corresponding to the first liquid crystal to be in a transparent state or a non-transparent state; it can be understood that, the first electrode layer includes a plurality of electrode branches, the width of each electrode branch is different, along the direction perpendicular to the light-emitting surface of the display panel, the overlapping area of each electrode branch is different from that of the second electrode layer, and the generated electric fields are different, so that the transparency degree of the region where the first liquid crystal corresponding to the electrode branches with different widths is located is different, that is, the atomization degree of the display region corresponding to the first liquid crystal is different, so that the display region is atomized in a gradual change manner, the obvious boundary between the first display region and the second display region is improved, the transparent and atomized boundary is blurred, and the quality of the display panel is improved.
Drawings
The accompanying drawings, which are included to provide a further understanding of the application and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the application and together with the description serve to explain the application and not to limit the application. In the drawings:
fig. 1 is a schematic structural diagram of a display panel according to an embodiment of the present disclosure;
FIG. 2 is a cross-sectional view of the display panel along A-A' of the embodiment of FIG. 1;
fig. 3 is a schematic structural view of an electrode support according to an embodiment of the present disclosure;
fig. 4 is a schematic structural diagram of an electrode support according to an embodiment of the present disclosure;
fig. 5 is a schematic structural diagram of an electrode support according to an embodiment of the present disclosure;
fig. 6 is a schematic view of another structure of an electrode support according to an embodiment of the present disclosure;
fig. 7 is a schematic structural view of an electrode support portion according to an embodiment of the present disclosure;
fig. 8 is a schematic view of another structure of an electrode support according to an embodiment of the present disclosure;
fig. 9 is a schematic structural view of an electrode support portion according to an embodiment of the present disclosure;
fig. 10 is a schematic structural diagram of an electrode support according to an embodiment of the present disclosure;
FIG. 11 is another cross-sectional view of the display panel along A-A' provided in the embodiment of FIG. 1;
FIG. 12 is another cross-sectional view of the display panel along A-A' of the embodiment of FIG. 1;
fig. 13 is a schematic structural view of an electrode support portion according to an embodiment of the present disclosure;
fig. 14 is a schematic structural diagram of a display device according to an embodiment of the present disclosure.
Detailed Description
As used in the specification and in the claims, certain terms are used to refer to particular components. As one skilled in the art will appreciate, manufacturers may refer to a component by different names. The description and claims do not intend to distinguish between components that differ in name but not function. In the following description and in the claims, the terms "include" and "comprise" are used in an open-ended fashion, and thus should be interpreted to mean "include, but not limited to. "substantially" means within an acceptable error range, that a person skilled in the art will be able to solve the technical problem within a certain error range, substantially to achieve the technical result. Furthermore, the term "coupled" is intended to include any direct or indirect electrical coupling. Thus, if a first device couples to a second device, that connection may be through a direct electrical coupling or through an indirect electrical coupling via other devices and couplings. The description which follows is a preferred embodiment of the present application, but is made for the purpose of illustrating the general principles of the application and not for the purpose of limiting the scope of the application. The scope of the present application is to be considered as defined by the appended claims. The same parts between the embodiments are not described in detail.
The following detailed description is to be read with reference to the drawings and the detailed description.
Fig. 1 is a schematic structural diagram of a display panel provided in an embodiment of the present application, fig. 2 is a cross-sectional view of the display panel provided in the embodiment of fig. 1 along a-a', and fig. 3 is a schematic structural diagram of an electrode branch portion provided in the embodiment of the present application; please refer to fig. 1 to fig. 3; the present application provides a display panel 100, including: a first display area 10, a second display area 20 at least partially surrounding the first display area 10;
a first electrode layer 30 and a second electrode layer 40 which are oppositely arranged, and a first liquid crystal 50 which is positioned between the first electrode layer 30 and the second electrode layer 40, wherein the first electrode layer 30 and the second electrode layer 40 are at least partially positioned in the first display area 10; the first electrode layer 30 includes a plurality of electrode branches 31, and widths of at least some of the electrode branches 31 are different; the first electrode layer 30 and the second electrode layer 40 control the region where the first liquid crystal 50 is located to be in a transparent state or a non-transparent state, and the regions where the first liquid crystal 50 is located corresponding to the electrode branches 31 with different widths are different in transparency.
Specifically, please refer to fig. 1 to fig. 3, the display panel 100 in this embodiment includes a first display area 10 and a second display area 20, wherein the second display area 20 is at least partially adjacent to the first display area 10, optionally, the second display area 20 is disposed around the first display area 10, the first display area 10 and the second display area 20 are both used for displaying a picture, and the first display area 10 is further used for placing a functional device; the display panel 100 in this embodiment further comprises a first electrode layer 30 and a second electrode layer 40 arranged oppositely and a first liquid crystal 50 between the first electrode layer 30 and the second electrode layer 40, wherein, the first electrode layer 30 and the second electrode layer 40 are at least partially located in the first display region 10 and at least partially located in the second display region 20, the first electrode layer 30 located in the first display region 10 includes a plurality of electrode branches 31, at least some of the electrode branches 31 have different widths, it is understood that the width of the electrode branches 31 refers to the dimension of the electrode branches 31 pointing to the second display area 20 along the first display area 10, there are at least two different widths of the electrode branches 31, a voltage signal is input to each electrode branch 31 of the first electrode layer 30 and the second electrode layer 40, an electric field is generated between the first electrode layer 30 and the second electrode layer 40, the electric field can control the display area corresponding to the first liquid crystal 50 to be in a transparent state or a non-transparent state; it can be understood that, the first electrode layer 30 includes a plurality of electrode branches 31, each electrode branch 31 has a different width, and along a direction perpendicular to the light-emitting surface of the display panel, the overlapping area of each electrode branch 31 and the second electrode layer 40 is different, and the generated electric field is different, so that the transparency degree of the region where the first liquid crystal 50 corresponding to the electrode branches 31 with different widths is located is different, wherein the first liquid crystal 50 is a polymer dispersed liquid crystal (pdlc) (also called polymer dispersed liquid crystal), which is a liquid crystal dispersed in an organic solid polymer matrix in micro-sized droplets, and since the optical axis of the micro-droplets composed of liquid crystal molecules is in a free orientation, the refractive index thereof is not matched with the refractive index of the matrix, and when light passes through the matrix, the light is strongly scattered by the micro-droplets to be in an opaque milky state or a translucent state; in this embodiment, the optical axis orientation of the liquid crystal droplets is adjusted by applying an electric field, and when the refractive indices of the two are matched, a transparent state is exhibited; removing the electric field, and restoring the initial astigmatism state of the liquid crystal microdroplets to display; when the display panel displays, the electric field is removed from the first electrode layer 30 and the second electrode layer 40 in the second display area 20, the electric field is applied to the first electrode layer and the second electrode layer 40 in the first display area 10, atomization of the first display area 10 is achieved, in order to avoid the boundary between the atomized first display area 10 and the transparent second display area 20, the electrode branches 31 included in the first electrode layer in the first display area 10 are arranged in a differentiated mode, the atomization degrees of the first liquid crystals 50 in the first display area 10 are different, the first liquid crystals are enabled to be atomized gradually, the obvious boundary between the first display area 10 and the second display area 20 is improved, the transparent and atomization boundaries are blurred, and the quality of the display panel 100 is improved. It should be noted that the embodiment shown in fig. 1 only schematically illustrates the position relationship between the first display area 10 and the second display area 20, and does not represent actual dimensions; the embodiment shown in fig. 2 only schematically shows the position relationship between the first electrode layer 30 and the second electrode layer 40, and the first liquid crystal 50, and does not represent the actual size of the film; the embodiment shown in fig. 3 only schematically illustrates the arrangement of the electrode branch portions 31 in the first display region 10, and does not represent actual dimensions.
Fig. 4 is a schematic structural diagram of an electrode support 31 according to an embodiment of the present disclosure; referring to fig. 2 to 4, in an alternative embodiment of the present disclosure, the first electrode layer 30 includes a first region 32 and a plurality of second regions 33, the second regions 33 are at least partially located in the first display region 10, the second regions 33 are arranged around the first region 32, and each of the second regions 33 is annular and is disposed in a sleeving manner.
It should be noted that the embodiments shown in fig. 3 and 4 schematically show two shapes of the first region 32 and the second region 33, respectively, and the sizes of the first region 32 and the second region 33 do not represent actual sizes. It should be further noted that the first area 32 is a circular area in fig. 3, or alternatively, the first area is a square area in fig. 4; the second region 33 is a closed loop formed by the thick dashed line in fig. 3 and 4, that is, a region between two adjacent electrode branches 31, wherein one electrode branch 31 faces away from the first region 32 and the other electrode branch 31 faces away from the first region 32 forms one second region 33; it is also understood that the electrode branch portions 31 in the second region 33 do not fully occupy the entire space in the second region 33, and the second region 33 also includes a partial spacing region.
Specifically, as shown in fig. 2 to 4, in the present embodiment, the first electrode layer 30 is divided into a first area 32 and a plurality of second areas 33, and the plurality of second areas 33 are disposed along a direction perpendicular to the light emitting surface of the display panel, and the plurality of second areas 33 are all located in the first display area 10; wherein, each second area 33 is annular, the second areas 33 are arranged around the first area 32, and each second area 33 is sleeved and arranged; optionally, the second region 33 may be a circular ring or a square ring, and each ring is sleeved in turn; whereas the second display area 20 is a circular or square area, so that the boundary between the first display area 10 and the second display area 20 is a circular boundary or a square boundary, and thus the circular boundary or the square boundary needs to be blurred, in the present embodiment, the second area 33 is configured as a circular ring or a square ring, and the electrode branch 31 located in the second area 33 is also a circular ring or a square ring, so that the transparency of the area close to the second display area 20 is uniformly graded in the direction from the first display area 10 to the second display area 20, which is beneficial to better realize edge grading.
With continued reference to fig. 3 and 4, in an alternative embodiment of the present application, the second region 33 includes at least one second electrode branch 34;
the width of the second electrode branch portions 34 located in different second regions 33 gradually decreases in the direction D1 in which the first region 32 is directed toward the second region 33.
It should be noted that, in the embodiment shown in fig. 3 and fig. 4, the shape of the second electrode branch portion 34 is only schematically shown, and does not represent an actual size, and the size of the second electrode branch portion 34 with gradually changed width does not represent an actual size, wherein the second electrode branch portion 34 does not completely occupy the space of the second area 33, but is further provided with a spacing area.
Specifically, as shown in fig. 3 and fig. 4, in the present embodiment, at least one second electrode branch 34 is disposed in the second region 33, and the direction D1 pointing to the second region 33 along the first region 32 can also be understood as the direction pointing to the second display region 20 along the first display region 10, and the width of the second electrode branch 34 in different second regions 33 is gradually reduced; it can also be understood that, along the direction D1 in which the first region 32 points to the second region 33, the electric fields generated by the second electrode branches 34 and the second electrode layer 40 in different second regions 33 are different, so that the display regions corresponding to the second electrode branches 34 in each second region 33 have different transparency, i.e. different fogging degrees, and the boundary between the first display region 10 and the second display region 20 is blurred, thereby improving the quality of the display panel 100.
It should be noted that a single electrode may be disposed in the first region 32, or a plurality of electrodes having the same width may be disposed in the first region, which is not limited herein.
It should be noted that the number of the second regions 33 is m, m is greater than or equal to 5 and less than or equal to 20, and the widths of the second regions 33 can be the same; the number of the second electrode branch parts 34 in the same second region 33 is n, n is more than or equal to 1 and less than or equal to 5, wherein m and n are positive integers; as shown in fig. 3, in the same second region 33, the maximum width d1 of the second electrode branch portion 34 is 90% to 95% of the width of the second region 33, the minimum width d2 (not shown in the figure) of the second electrode branch portion 34 is 5% to 10% of the width of the second region 33, and on the basis that the widths of the second regions 33 are equal, the relationship between the minimum width of the second electrode branch portion 34 and the width of the second region 33 can be referred to as shown in fig. 3, and it can also be understood that the second region 33 further includes a certain interval, the maximum width of the interval is 90% to 95% of the width of the second region 33, and the minimum width of the interval is 5% to 10% of the width of the second region 33; it can also be understood that the width of the second electrode branch portion 34 in each second region 33 is decreased, and the width of each space in each second region 33 is increased; width is understood to mean the width of the first region 32 pointing towards the second region 33; as shown in fig. 3, the distance between adjacent second electrode branches 34 is F, which is (d1-d 2)/m-1; by limiting the width of the second electrode branch portion 34, the problem of obvious boundary of the display panel 100 can be effectively improved.
Fig. 5 is a schematic view of another structure of an electrode support portion according to an embodiment of the present disclosure, fig. 6 is a schematic view of another structure of an electrode support portion according to an embodiment of the present disclosure, please refer to fig. 5 and fig. 6, in an alternative embodiment of the present disclosure, a second region 33 includes a plurality of second electrode support portions 34;
the width of each second electrode branch 34 located in the same second region 33 gradually decreases in the direction D1 in which the first region 32 is directed toward the second region 33.
It should be noted that, in the embodiment shown in fig. 5, only a schematic diagram of two second electrode branches 34 disposed in the same second region 33 is schematically shown, and does not represent actual sizes of the second electrode branches 34; the embodiment shown in fig. 6 only schematically illustrates the arrangement of two second electrode branches 34 in the same second region 33, and does not represent the actual size of the second electrode branches 34. It should be noted that the same second region 33 is indicated by a thick dashed line in fig. 5 and 6.
Specifically, with continuing reference to fig. 5 and fig. 6, in the present embodiment, the same second region 33 includes a plurality of second electrode branches 34, and the width of each second electrode branch 34 located in the same second region 33 gradually decreases along the direction D1 from the first region 32 to the second region 33, and optionally, the width of the first electrode branch 31 refers to the dimension from the first region 32 to the second region 33, and it can also be understood that the electric field between each second electrode branch 34 located in the same second region 33 and the second electrode layer 40 is different, that is, the transparency of the first liquid crystal 50 corresponding to each second electrode branch 34 located in the same second region 33 is different along the direction from the first region 32 to the second region 33, that is, the transparency of the first liquid crystal 50 corresponding to each second electrode branch 34 located in the same second region 33 is gradually increased along the direction D1 from the first region 32 to the second region 33, the degree of fogging gradually decreases, so that the boundary between the first display area 10 and the second display area 20 can be effectively blurred, and the quality of the display panel 100 can be improved.
Fig. 7 is a schematic view of another structure of an electrode support portion provided in an embodiment of the present application, fig. 8 is a schematic view of another structure of an electrode support portion provided in an embodiment of the present application, please refer to fig. 7 and fig. 8, in an alternative embodiment of the present application, a second region 33 includes a plurality of second electrode support portions 34;
in a direction D1 along the first region 32 toward the second region 33, the widths of the second electrode branches 34 located in the same second region 33 are equal.
It should be noted that, in the embodiment shown in fig. 7, only two second electrode branches 34 with equal size are schematically shown to be disposed in the second region 33, and do not represent the actual size of the second electrode branches 34; the embodiment shown in fig. 8 only schematically illustrates two second electrode branches 34 of equal size being provided in the second region 33, and does not represent the actual size of the second electrode branches 34.
Specifically, with continued reference to fig. 7 and 8, in the present embodiment, the second region 33 includes a plurality of second electrode branch portions 34, and along the direction D1 in which the first region 32 points to the second region 33, the widths of the second electrode branch portions 34 located in the same second region 33 are equal, such as L1 and L2 in fig. 7 and 8, which can also be understood as that the electric fields generated between the second electrode branch portions 34 and the second electrode layer 40 in the same second region 33 are the same, that is, the light transmittance of the first liquid crystals 50 corresponding to the second electrode branch portions 34 located in the same second region 33 is the same; thus, the process of the second region 33 can be simplified, and the time can be saved.
Fig. 9 is a schematic structural diagram of an electrode support portion according to an embodiment of the present disclosure, please refer to fig. 9, in an alternative embodiment of the present disclosure, a second region 33 includes a plurality of second electrode blocks 35; the second electrode blocks 35 located in the second region 33 are electrically connected to each other;
the second electrode blocks 35 located in different second regions 33 are arranged at different densities.
It should be noted that the embodiment shown in fig. 9 only schematically illustrates a schematic diagram of disposing the second electrode branch portion 34 in the second region 33, and does not represent the actual size of the second electrode branch portion 34.
Specifically, with reference to fig. 9, in the present embodiment, a plurality of second electrode blocks 35 are disposed in the second region 33, and the second electrode blocks 35 are electrically connected to each other, and optionally, a plurality of first electrode blocks are disposed in the first region 32, and the first electrode blocks are electrically connected to each other; the first and second electrode blocks 35 may be square, circular, diamond-shaped, or irregular; in this embodiment, the density of the second electrode blocks 35 included in each second region 33 is defined to realize that the electric fields generated between each second region 33 and the second electrode layer 40 are different, that is, the density arrangement of the second electrode blocks 35 located in each second region 33 is different, and the density of the second electrode blocks 35 in different second regions 33 is defined to realize that the degree of atomization of the first liquid crystals 50 corresponding to different second regions 33 is different, so as to eliminate the boundary between the first display region 10 and the second display region 20, and improve the quality of the display panel 100.
It should be noted that, along the direction perpendicular to the light emitting surface of the display panel, the number of orthographic projections of the second electrode blocks 35 in the second region 33 is the arrangement density of the second electrode blocks 35, and the projection areas of the second electrode blocks 35 in the display panel are the same, and the second electrode blocks located in the same second region 33 are electrically connected to each other for receiving the same electrical signal.
It should be noted that, in fig. 9, the second electrode blocks 35 are connected by routing, which illustrates the connection manner of the second electrode blocks 35, and if the density of the second electrode blocks 35 is relatively large and the distance between the second electrode blocks 35 is relatively short, the edges of the second electrode blocks 35 may be overlapped to each other to realize electrical connection, where the electrical connection manner of the second electrode blocks 35 is not limited.
Fig. 10 is a schematic view of another structure of the electrode branch 31 provided in the embodiment of the present application, please refer to fig. 10, wherein in an alternative embodiment of the present application, the sizes of the second regions 33 along the direction D1 in which the first region 32 points to the second region 33 are the same, and the densities of the second electrode blocks 35 in different second regions 33 are the same, so that different degrees of atomization of the first liquid crystals 50 corresponding to different second regions 33 are realized by limiting the voltages received by the second electrode blocks 35 in different second regions 33, so as to eliminate the boundary between the first display region 10 and the second display region 20, and improve the quality of the display panel 100.
With continued reference to fig. 9, in an alternative embodiment of the present application, the arrangement density of the second electrode blocks 35 in different second regions 33 is gradually decreased along a direction D1 in which the first region 32 points to the second region 33.
Specifically, as shown in fig. 9, in the present embodiment, along the direction D1 in which the first region 32 points to the second region 33, the arrangement density of the second electrode blocks 35 located in different second regions 33 gradually decreases; in order to reduce the boundary between the first display region 10 and the second display region 20, i.e. the closer to the boundary between the first display region 10 and the second display region 20, the arrangement density of the second electrode blocks 35 located in the second region 33 is the smallest, it can also be understood that the transparency of the first liquid crystal 50 corresponding to the second electrode blocks 35 in the second region 33 is the largest, i.e. the fogging degree is the smallest, so that the boundary between the first display region 10 and the second display region 20 is blurred, and the quality of the display panel 100 is improved.
Fig. 11 is another cross-sectional view of the display panel along a-a' of the embodiment shown in fig. 1. referring to fig. 11, in an alternative embodiment of the present application, the second electrode layer 40 has the same shape as the first electrode layer 30.
Specifically, as shown in fig. 11, in the present embodiment, the second electrode layer 40 and the first electrode layer 30 have the same shape, that is, the first electrode layer 30 includes a plurality of electrode branches 31, and the second electrode layer 40 also includes a plurality of electrode branches 31; it can also be understood that the orthographic projection of the second electrode layer 40 in the direction perpendicular to the light-emitting surface of the display panel 100 coincides with the orthographic projection of the first electrode layer 30 in the direction perpendicular to the light-emitting surface of the display panel 100; in this way, an electric field can be generated between the first electrode layer 30 and the second electrode layer 40, and the transparency of the first liquid crystal 50 can be realized by the electric field.
It should be noted that, with reference to fig. 2, the second electrode layer 40 is a whole-surface electrode, that is, the second electrode layer 40 is a whole body and does not need to be patterned, so that an electric field can be generated between the first electrode layer 30 and the second electrode layer 40, and the manufacturing process can be saved.
Fig. 12 is a cross-sectional view of the display panel along a-a' in the embodiment shown in fig. 1, fig. 13 is another schematic structural diagram of an electrode support portion in the embodiment of the present application, please refer to fig. 12 and fig. 13 in combination with fig. 2 and fig. 3, and a display panel 100 in the present application further includes: a first display area 10, a second display area 20 at least partially surrounding the first display area 10;
a first electrode layer 30 and a second electrode layer 40 which are oppositely arranged, and a first liquid crystal 50 which is positioned between the first electrode layer 30 and the second electrode layer 40, wherein the first electrode layer 30 and the second electrode layer 40 are at least partially positioned in the first display area 10; the first electrode layer 30 includes a plurality of electrode branches 31, and at least some of the electrode branches 31 receive different electrical signals; the first electrode layer 30 and the second electrode layer 40 control the region where the first liquid crystal 50 is located to be in a transparent state or a non-transparent state, and the regions where the first liquid crystal 50 is located corresponding to the electrode branches 31 receiving different electric signals are different in transparency degree.
Specifically, please refer to fig. 12 and fig. 13 in combination with fig. 2 and fig. 3, the display panel 100 in this embodiment includes a first display area 10 and a second display area 20, wherein the second display area 20 is at least partially adjacent to the first display area 10, optionally, the second display area 20 is disposed around the first display area 10, the first display area 10 and the second display area 20 are both used for displaying a picture, and the first display area 10 is further used for placing a functional device; the display panel 100 in this embodiment further comprises a first electrode layer 30 and a second electrode layer 40 arranged oppositely and a first liquid crystal 50 between the first electrode layer 30 and the second electrode layer 40, wherein, the first electrode layer 30 and the second electrode layer 40 are at least partially located in the first display region 10, at least partially located in the second display region 20, the first electrode layer 30 located in the first display region 10 includes a plurality of electrode branches 31, at least some of the electrode branches 31 receive different electric signals, it is understood that there are at least two electrode branches 31 receiving different electrical signals, and that different electrical signals are input to each electrode branch 31 of the first electrode layer 30, and then electrical signals are input to the second electrode layer 40, so that an electric field is generated between the first electrode layer 30 and the second electrode layer 40, the electric field can control the display area corresponding to the first liquid crystal 50 to be in a transparent state or a non-transparent state; it can be understood that, the first electrode layer 30 includes a plurality of electrode branches 31, the electric signals input to the electrode branches 31 are different, and the electric fields generated between the electrode branches 31 and the second electrode layer 40 are different, so that the regions where the first liquid crystals 50 corresponding to the electrode branches 31 are located are different in transparency, that is, the display regions corresponding to the first liquid crystals 50 are different in atomization degree, so that the display regions are gradually atomized, the distinct boundary between the first display region 10 and the second display region 20 is improved, the transparent and atomized boundary is blurred, and the quality of the display panel 100 is improved.
It should be noted that at least some of the electrode branches 31 receive different electrical signals, wherein the widths of the electrode branches 31 may be equal or unequal, and the present application is not limited herein.
The voltage difference range of the voltages input to the adjacent electrode branches 31 is: 5v to 20v, the voltage input to each second electrode branch 34 can ensure that the first liquid crystal 50 can be atomized, and the atomization degree of the first liquid crystal 50 corresponding to each second electrode branch 34 can be gradually changed.
Referring to fig. 13, in an alternative embodiment of the present disclosure, the first electrode layer 30 includes a first region 32 and a plurality of second regions 33, the second regions 33 are arranged around the first region 32, and each of the second regions 33 is annular and is disposed in a sleeving manner.
It should be noted that the embodiment shown in fig. 13 only schematically illustrates a schematic diagram in which the electrode branch portions 31 are equal in size, and does not represent actual sizes; the first region 32 is a circular region in fig. 13, the second region 33 is a closed loop formed by thick dotted lines in fig. 13, and a space is provided between adjacent thick dotted closed loops, it can also be understood that the electrode branch 31 in the second region 33 does not fully occupy the entire space in the second region 33, and the second region 33 further includes a partial space region.
Specifically, please refer to fig. 13, in this embodiment, the first electrode layer 30 is divided into a first area 32 and a second area 33, the second area 33 is disposed in plural, and the plural second areas 33 are all located in the first display area 10 along a direction perpendicular to the light emitting surface of the display panel; wherein, each second area 33 is annular, the second areas 33 are arranged around the first area 32, and each second area 33 is sleeved and arranged; optionally, the second region 33 may be a circular ring or a square ring, and the rings are sequentially sleeved; whereas the second display area 20 is a circular or square area, so that the boundary between the first display area 10 and the second display area 20 is a circular or square boundary, and thus the circular or square boundary needs to be blurred, in the present embodiment, the second area 33 is configured as a circular or square ring, and the electrode branch 31 located in the second area 33 is also a circular or square ring, so that the transparency of the area close to the second display area 20 is uniformly graded in the direction from the first display area 10 to the second display area 20, which is beneficial to better implement edge grading.
With continued reference to fig. 13, in an alternative embodiment of the present application, the second region 33 includes at least one second electrode branch 34; the second electrode branches 34 located in different second regions 33 receive different electrical signals.
Specifically, as shown in fig. 13, in the present embodiment, at least one second electrode branch 34 is disposed in the second region 33, the second electrode branches 34 in different second regions 33 receive different electrical signals, and the second electrode branches 34 in the second regions 33 receive different electrical signals, so that the first liquid crystals 50 corresponding to the second electrode branches 34 in different second regions 33 exhibit different degrees of transparency, i.e., different degrees of atomization, thereby effectively blurring the boundary between the first display area 10 and the second display area 20 and improving the quality of the display panel 100.
With continued reference to fig. 13, in an alternative embodiment of the present application, the second electrode branches 34 located in different second regions 33 receive gradually decreasing voltages along a direction D1 in which the first region 32 points to the second region 33.
Specifically, as shown in fig. 13, in the present embodiment, along the direction D1 in which the first region 32 points to the second region 33, it can also be understood that, along the direction in which the first display region 10 points to the second display region 20, the voltage received by the second electrode branch portion 34 in each second region 33 gradually decreases, that is, the voltage received by the second electrode branch portion 34 in the second region 33 closer to the boundary between the first display region 10 and the second display region 20 decreases, that is, the transparency of the first liquid crystal 50 corresponding to the second electrode branch portion 34 in the second region 33 is the greatest, so that the boundary between the first display region 10 and the second display region 20 can be effectively blurred, and the quality of the display panel 100 can be improved.
With continued reference to fig. 13, in an alternative embodiment of the present application, at least a portion of the electrode branches 31 have the same width along the direction D1 in which the first region 32 points toward the second region 33.
Specifically, as shown in fig. 13, in the present embodiment, the width of each electrode branch 31 is the same along the direction D1 that the first region 32 points to the second region 33, and optionally, the width of the electrode branch 31 refers to the dimension along the direction D1 that the first region 32 points to the second region 33; that is, the width of each electrode branch 31 in the second region 33 is the same, the electric signals input to the electrode branches 31 are different, and optionally, the voltage received by each electrode branch 31 gradually decreases along the direction D1 from the first region 32 to the second region 33, so that the degree of fogging of the second region 33 gradually changes, i.e., the boundary between the first display region 10 and the second display region 20 blurs, and the quality of the display panel 100 is improved.
Referring to fig. 2, in an alternative embodiment of the present application, the method further includes:
a display liquid crystal cell 60 and a nebulized liquid crystal cell 70, the nebulized liquid crystal cell comprising a first electrode layer 30, a second electrode layer 40, and a first liquid crystal 50 located between the first electrode layer 30 and the second electrode layer 40; the display liquid crystal box comprises an array substrate 61, a color film substrate 62 and a second liquid crystal 63 positioned between the array substrate and the color film substrate, and is used for displaying pixels; along the direction perpendicular to the light-emitting surface of the display panel, the first display area 10 of the display liquid crystal box is overlapped with the first display area 10 of the atomization liquid crystal box, and the first display area 10 of the display liquid crystal box is used for arranging a light sensor.
Specifically, with reference to fig. 2, the display panel 100 in this embodiment further includes a display liquid crystal cell and an atomization liquid crystal cell, in which the first liquid crystal 50 in the above embodiment is located in the atomization liquid crystal cell, the atomization liquid crystal cell includes a first electrode layer 30, a second electrode layer 40, and the first liquid crystal 50 located between the first electrode layer 30 and the second electrode layer 40, and the atomization liquid crystal cell is used for implementing atomization of the display panel 100; the display liquid crystal box comprises an array substrate, a color film substrate and a second liquid crystal positioned between the array substrate and the color film substrate, wherein the second liquid crystal is a display liquid crystal and is used for displaying pixels; along the direction vertical to the light-emitting surface of the display panel, a first display area 10 of the display liquid crystal box is overlapped with a first display area 10 of the atomization liquid crystal box, and the first display area 10 of the display liquid crystal box is used for arranging a light sensor; in the prior art, a first electrode layer and a second electrode layer in a first display area are full-face electrodes, when a voltage is applied, the same voltage is applied to the first electrode layer in the first area, the same voltage is applied to the second electrode layer, when a display panel displays the voltage, the second display area is in a transparent state, and the first display area is in an atomizing state, so that an obvious boundary is easily generated between the first display area and the second display area; in view of this, in the embodiment, the electrode in the first electrode layer 30 is set differently, which includes the setting of the width of the electrode branch portion 31 differently, or the setting of the electrical signal inputted to the electrode branch portion 31 differently, so that the boundary between the first display area 10 and the second display area 20 can be effectively blurred, and the quality of the display panel 100 can be improved.
Based on the same inventive concept, fig. 14 is a schematic structural diagram of the display device provided in the embodiment of the present application, please refer to fig. 14, the present application further provides a display device 200, where the display device 200 includes a display panel 100 and a light sensing device, an orthographic projection of the light sensing device on a plane where the display panel 100 is located in the first display area 10, and the display panel 100 is the display panel 100 provided in any one of the embodiments of the present application, and repeated parts are not repeated.
It should be noted that, for the embodiments of the display device 200 provided in the embodiments of the present application, reference is made to the embodiments of the display panel 100, and an Organic electroluminescent display (Organic electroluminescent display) device is an example of the display device of the present application, and repeated details are not repeated. The display device provided by the embodiment can be: any product or component with a practical function, such as a mobile phone, a tablet computer, a television, a display, a notebook computer, a digital photo frame, a navigator and the like; the optical sensing device provided by the embodiment can be a camera, an optical sensor, a photosensitive element and the like.
According to the embodiments, the application has the following beneficial effects:
according to the display panel and the display device, the first electrode layer is provided with the gradual change type electrode branch parts, at least part of the electrode branch parts are different in width, the width of the electrode branch parts refers to the size of the electrode branch parts pointing to the second display area along the first display area, at least two electrode branch parts are different in width, voltage signals are respectively input to the electrode branch parts in the first electrode layer, then the voltage signals are input to the second electrode layer, an electric field is generated between the first electrode layer and the second electrode layer, and the electric field can control the display area corresponding to the first liquid crystal to be in a transparent state or a non-transparent state; it can be understood that, the first electrode layer includes a plurality of electrode branches, the width of each electrode branch is different, along the direction perpendicular to the light-emitting surface of the display panel, the overlapping area of each electrode branch is different from that of the second electrode layer, and the generated electric fields are different, so that the transparency degree of the region where the first liquid crystal corresponding to the electrode branches with different widths is located is different, that is, the atomization degree of the display region corresponding to the first liquid crystal is different, so that the display region is atomized in a gradual change manner, the obvious boundary between the first display region and the second display region is improved, the transparent and atomized boundary is blurred, and the quality of the display panel is improved.
The foregoing description shows and describes several preferred embodiments of the present application, but as aforementioned, it is to be understood that the application is not limited to the forms disclosed herein, but is not to be construed as excluding other embodiments and is capable of use in various other combinations, modifications, and environments and is capable of changes within the scope of the inventive concept as expressed herein, commensurate with the above teachings, or the skill or knowledge of the relevant art. And that modifications and variations may be effected by those skilled in the art without departing from the spirit and scope of the application, which is to be protected by the claims appended hereto.
Claims (15)
1. A display panel, comprising: a first display area, a second display area at least partially surrounding the first display area;
the display panel comprises a first electrode layer, a second electrode layer and a first liquid crystal layer, wherein the first electrode layer and the second electrode layer are oppositely arranged, the first liquid crystal layer is positioned between the first electrode layer and the second electrode layer, and at least part of the first electrode layer and the second electrode layer are positioned in a first display area; the first electrode layer comprises a plurality of electrode branches, and at least part of the electrode branches have different widths; the first electrode layer and the second electrode layer jointly control the area where the first liquid crystal is located to be in a transparent state or a non-transparent state, and the areas where the first liquid crystal is located, corresponding to the electrode branch parts with different widths, are different in transparency degree.
2. The display panel according to claim 1, wherein the first electrode layer includes a first region and a plurality of second regions, the second regions are at least partially located in the first display region, the second regions are arranged around the first region, and each of the second regions is annular and is arranged in a sleeved manner.
3. The display panel according to claim 2, wherein the second region includes at least one second electrode branch;
the width of the second electrode branch parts in different second areas is gradually reduced along the direction that the first area points to the second area.
4. The display panel according to claim 2, wherein the second region includes a plurality of the second electrode branches;
the width of each second electrode branch part in the same second area is gradually reduced along the direction that the first area points to the second area.
5. The display panel according to claim 2, wherein the second region includes a plurality of the second electrode branches;
the width of each second electrode branch part in the same second area is equal along the direction that the first area points to the second area.
6. The display panel according to claim 2, wherein the second region includes a plurality of second electrode blocks; the second electrode blocks located in the second region are electrically connected to each other;
the second electrode blocks located in different second areas are arranged at different densities.
7. The display panel according to claim 6, wherein the second electrode blocks located in different second regions are arranged at a decreasing density in a direction in which the first region is directed to the second region.
8. The display panel according to claim 1, wherein the second electrode layer is the same shape as the first electrode layer.
9. A display panel, comprising: a first display area, a second display area at least partially surrounding the first display area;
the display panel comprises a first electrode layer, a second electrode layer and a first liquid crystal layer, wherein the first electrode layer and the second electrode layer are oppositely arranged, the first liquid crystal layer is positioned between the first electrode layer and the second electrode layer, and at least part of the first electrode layer and the second electrode layer are positioned in a first display area; the first electrode layer comprises a plurality of electrode branches, and at least part of the electrode branches receive different electric signals; the first electrode layer and the second electrode layer jointly control the area where the first liquid crystal is located to be in a transparent state or a non-transparent state, and the transparency degrees of the area where the first liquid crystal is located, corresponding to the electrode branch parts receiving different electric signals, are different.
10. The display panel according to claim 9, wherein the first electrode layer comprises a first region and a plurality of second regions, the second regions are arranged around the first region, and each of the second regions is annular and is arranged in a sleeved manner.
11. The display panel according to claim 10, wherein the second region includes at least one of the second electrode branches; the second electrode branches located in different second regions receive different electrical signals.
12. The display panel according to claim 11, wherein in a direction in which the first region points to the second region, the voltages received by the second electrode branches located in different second regions gradually decrease.
13. The display panel according to claim 9, wherein widths of at least some of the electrode branches in a direction in which the first region points toward the second region are the same.
14. The display panel according to claim 1 or 9, characterized by further comprising:
a display liquid crystal cell and an atomized liquid crystal cell, the atomized liquid crystal cell including the first electrode layer, the second electrode layer, and the first liquid crystal located between the first electrode layer and the second electrode layer; the display liquid crystal box comprises an array substrate, a color film substrate and a second liquid crystal positioned between the array substrate and the color film substrate, and is used for displaying pixels; and the first display area of the display liquid crystal box is overlapped with the first display area of the atomization liquid crystal box along the direction vertical to the light-emitting surface of the display panel, and the first display area of the display liquid crystal box is used for arranging a light sensor.
15. A display apparatus comprising the display panel as claimed in any one of claims 1 to 14 and an optical sensor device, wherein an orthographic projection of the optical sensor device on a plane of the display panel is located in the first display region.
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| CN113485040A (en) * | 2021-07-20 | 2021-10-08 | 武汉华星光电技术有限公司 | Display panel and display device |
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| KR20160104172A (en) * | 2015-02-25 | 2016-09-05 | 삼성디스플레이 주식회사 | Liquid crystal display |
| WO2017126588A1 (en) * | 2016-01-20 | 2017-07-27 | シャープ株式会社 | Liquid crystal display panel, and liquid crystal display device |
| WO2021114382A1 (en) * | 2019-12-11 | 2021-06-17 | Tcl华星光电技术有限公司 | Array substrate and display panel |
| CN113467137A (en) * | 2021-07-05 | 2021-10-01 | 厦门天马微电子有限公司 | Display panel and display device |
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