Display panel and display device

Abstract

The embodiment of the present application discloses a display panel and a display device, comprising an array substrate, a display medium layer and an opposing substrate which are stacked in sequence, wherein the array substrate and the opposing substrate are used to form a voltage to drive the display medium layer to emit light to display an image. The opposing substrate comprises a common electrode, and the array substrate comprises a first electrode and a second electrode which are stacked, wherein the first electrode is adjacent to the display medium layer, and the second electrode is arranged on a side of the first electrode away from the display medium layer. When the display panel displays an image in a first display mode, an electric field is formed between the first electrode and the common electrode to drive the display medium to display an image, and when the display panel displays an image in a second display mode, an electric field is formed between the first electrode and the second electrode to drive the display medium to display an image. Different electric fields are formed by the first electrode, the common electrode and the second electrode to drive the display medium respectively, so that the display panel is compatible with the effects of high viewing angle and high contrast.

Description

Technical Field

[0001] The present application relates to the field of display technology, and in particular to a display panel and a display device. Background Art

[0002] Liquid crystal display panels are generally made by bonding two glass substrates together and injecting liquid crystal between the two glass substrates. Pixel electrodes and common electrodes are arranged on the inner sides of the two glass substrates. The electric field between the pixel electrode and the common electrode is used to drive the liquid crystal molecules to rotate, thereby refracting the light emitted by the backlight module to display images.

[0003] At present, there are multi-quadrant vertical alignment (VA) and in-plane switching (IPS) LCD panels. VA panels use vertically aligned liquid crystals. When voltage is applied to allow light to pass through, the liquid crystals will tilt, and the liquid crystal crystals will change from vertical arrangement to horizontal parallel arrangement, blocking light penetration, thereby controlling the display image changes. IPS panel liquid crystals are parallel to the glass substrate, and the amount of light transmission is changed through plane rotation to complete the image display. Among them, VA panels can achieve high contrast, but the viewing angle is narrow, and IPS panels have poor contrast, but a higher viewing angle. Therefore, how to make display panels compatible with high contrast and high viewing angle is an urgent problem to be solved. Summary of the invention

[0004] In view of the above-mentioned deficiencies in the prior art, the present application provides a display panel and a display device that can effectively be compatible with high contrast and high viewing angle.

[0005] The present application provides a display panel, comprising an array substrate, a display medium layer and an opposite substrate stacked in sequence, wherein the array substrate and the opposite substrate are used to form a voltage to drive the display medium layer to emit light to display an image;

[0006] The opposing substrate includes a common electrode, and the array substrate includes a first electrode and a second electrode that are stacked, the first electrode is adjacent to the display medium layer, and the second electrode is arranged on a side of the first electrode away from the display medium layer. When the display panel displays an image in a first display mode, an electric field is formed between the first electrode and the common electrode to drive the display medium to display an image. When the display panel displays an image in a second display mode, an electric field is formed between the first electrode and the second electrode to drive the display medium to display an image.

[0007] Optionally, when an electric field is formed between the first electrode and the common electrode to drive the display medium, the display medium rotates within a first angle range to emit light, and when an electric field is formed between the first electrode and the second electrode to drive the display medium, the display medium rotates within a second angle range to emit light, wherein the first angle range is smaller than the second angle range.

[0008] Optionally, the array substrate includes a plurality of data lines, a plurality of scan lines and a plurality of pixel units arranged in an array, the pixel units are electrically connected to the data lines and the scan lines, and are used to receive scan signals from the scan lines, and receive data signals from the data lines under the control of the scan signals, and display images according to the data signals; the pixel units include a first light emitting area and a second light emitting area, the first light emitting area emits light when the display panel executes a first display mode, and the second light emitting area emits light when the display panel executes a second display mode.

[0009] Optionally, in the first light exiting area, the display medium extends along the first preset direction and is sequentially arranged along the second direction, and in the second light exiting area, the display medium extends along the second preset direction and is sequentially arranged along the second direction.

[0010] Optionally, the array substrate also includes a third electrode, the third electrode is arranged in the first light exit area, the second electrode is arranged in the second light exit area, the third electrode and the second electrode are located in the same layer structure, the data line is stacked and arranged on the side of the third electrode away from the first electrode, and the third electrode is used to shield the voltage coupling between the data line and the first electrode; the projections of the second electrode and the common electrode on the opposite substrate along the second preset direction do not overlap.

[0011] Optionally, the first electrode is arranged between the first light emitting area and the second light emitting area, and the first electrode is electrically connected to the data line, and is used to receive a data signal from the data line, and form an electric field between it and the common electrode according to the data signal to drive the display medium in the first light emitting area to emit light, or form an electric field between it and the second electrode according to the data signal to drive the display medium in the second light emitting area to emit light.

[0012] Optionally, the display panel also includes a third display mode. When the display panel executes the third display mode, the first electrode forms an electric field with the common electrode according to the data signal to drive the display medium in the first light emitting area to emit light, and at the same time, an electric field is formed between the first electrode and the second electrode to drive the display medium in the second light emitting area to emit light.

[0013] Optionally, the pixel unit includes a first switch tube, a first capacitor and a second capacitor, the control end of the first switch tube is electrically connected to the scan line, the first end of the first switch tube is electrically connected to the data line, the second end of the first switch tube is electrically connected to the first electrode, the first end of the first capacitor is electrically connected to the first electrode, the second end of the first capacitor is electrically connected to the common electrode, the first end of the second capacitor is electrically connected to the first electrode, and the second end of the second capacitor is electrically connected to the second electrode. The first switch tube is used to be turned on under the control of the scan signal to control the first electrode to receive the data signal.

[0014] Optionally, the pixel unit includes a first switch tube, a second switch tube, a first capacitor and a second capacitor, the array substrate also includes a voltage adjustment end, the control end of the first switch tube is electrically connected to the scan line, the first end of the first switch tube is electrically connected to the data line, the second end of the first switch tube is electrically connected to the first end of the second switch tube, the control end of the second switch tube is electrically connected to the scan line, the second end of the second switch tube is electrically connected to the first end of the third switch tube, the control end of the third switch tube is electrically connected to the scan line, and the second end of the third switch tube is electrically connected to the voltage adjustment end; the first capacitor is electrically connected between the second end of the first switch tube and the common electrode, and the second capacitor is electrically connected between the second end of the second switch tube and the second electrode.

[0015] An embodiment of the present application further provides a display device, comprising a power module and the aforementioned display panel, wherein the power module is used to provide driving power for the display panel to display images.

[0016] Compared with the problems in the prior art, the present application forms different electric fields between the first electrode and the common electrode, and between the first electrode and the second electrode, respectively, to drive the display medium to perform image display, which can effectively increase the rotation angle of the display medium, thereby ensuring the contrast while improving the viewing angle of the display panel, and further divides the pixel unit into a first light emitting area and a second light emitting area, and controls the two electric fields to drive the display medium in the first light emitting area and the second light emitting area, respectively, so that the display panel can be compatible with high contrast and high viewing angle. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings required for use in the embodiments will be briefly introduced below. Obviously, the drawings described below are some embodiments of the present application. For ordinary technicians, other drawings can be obtained based on these drawings without paying any creative work.

[0018] Figure 1 A schematic diagram of the structure of a display device provided in the first embodiment of the present application;

[0019] Figure 2 for Figure 1 A schematic diagram of the side structure of the display panel;

[0020] Figure 3 for Figure 2 A schematic diagram of the planar layout structure of the array substrate;

[0021] Figure 4 A second embodiment of the present application provides a Figure 3 Schematic diagram of the plane layout of the pixel unit;

[0022] Figure 5 for Figure 4 Schematic diagram of equivalent circuit of the driving module;

[0023] Figure 6 A schematic diagram of an equivalent circuit of a pixel unit provided in the second embodiment of the present application;

[0024] Figure 7 A schematic diagram of an equivalent circuit of a pixel unit provided in the third embodiment of the present application;

[0025] Figure 8 for Figure 4 A schematic diagram of the cross-sectional structure of the display panel corresponding to the first light emitting area;

[0026] Fig. 9 for Figure 4 A schematic diagram of the cross-sectional structure of the display panel corresponding to the second light emitting area;

[0027] Fig.10 A schematic diagram of a pixel unit plane layout provided in the fourth embodiment of the present application.

[0028] Description of reference numerals: display device 100, display panel 10, power module 20, support frame 30, display area 10a, array substrate 10c, display medium layer 10e, opposite substrate 10d, backlight module 17, timing control circuit 11, data driving circuit 12, scanning driving circuit 13, pixel unit 15, first direction F1, second direction F2, m data lines S1 to Sm, n scanning lines G1 to Gn , first light emitting area-151, second light emitting area-152, driving module-153, data line-S, scanning line-G, first switch tube-T1, second switch tube-T2, third switch tube-T4, first capacitor-C1, second capacitor-C2, first electrode-101, second electrode-102, third electrode-103, common electrode-Vcom, voltage adjustment end-Acom, display medium-L, first pixel unit-15a, second pixel unit-15b. DETAILED DESCRIPTION

[0029] In order to facilitate the understanding of the present application, the present application will be described more fully below with reference to the relevant drawings. The preferred embodiments of the present application are given in the drawings. However, the present application can be implemented in many different forms and is not limited to the embodiments described herein. On the contrary, the purpose of providing these embodiments is to make the disclosure of the present application more thoroughly and comprehensively understood.

[0030] The following descriptions of the embodiments are with reference to the attached diagrams to illustrate specific embodiments that the present application can be used to implement. The serial numbers for the components herein, such as "first", "second", etc., are only used to distinguish the objects described and do not have any order or technical meaning. The "connection" and "coupling" mentioned in the present application, unless otherwise specified, include direct and indirect connections (couplings). The directional terms mentioned in the present application, such as "upper", "lower", "front", "back", "left", "right", "inside", "outside", "side", etc., are only with reference to the directions of the attached drawings. Therefore, the directional terms used are for better and clearer explanation and understanding of the present application, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation to the present application.

[0031] In the description of the present application, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "connected", and "connected" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection; it can be directly connected, or indirectly connected through an intermediate medium, or it can be internal communication between two components. For ordinary technicians in this field, the specific meanings of the above terms in this application can be understood according to specific circumstances. It should be noted that the terms "first", "second", etc. in the specification, claims, and drawings of the present application are used to distinguish different objects, rather than to describe a specific order.

[0032] In addition, the terms "include", "may include", "contain", or "may include" used in the present application indicate the existence of the corresponding functions, operations, elements, etc. disclosed, and do not limit one or more other functions, operations, elements, etc. In addition, the terms "include" or "contain" indicate the existence of the corresponding features, numbers, steps, operations, elements, components, or combinations thereof disclosed in the specification, and do not exclude the existence or addition of one or more other features, numbers, steps, operations, elements, components, or combinations thereof, and are intended to cover non-exclusive inclusions. In addition, when describing the embodiments of the present application, "may" is used to indicate "one or more embodiments of the present application". And, the term "exemplary" is intended to refer to an example or illustration.

[0033] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as those commonly understood by those skilled in the art to which this application belongs. The terms used herein in the specification of this application are only for the purpose of describing specific embodiments and are not intended to limit this application.

[0034] See also Figure 1 , Figure 1 This is a schematic diagram of the structure of a display device provided in the first embodiment of the present application. The display device 100 includes a display panel 10, a power module 20 and a support frame 30. The display panel 10 and the power module 20 are fixed to the support frame 30. The power module 20 is arranged on the back of the display panel 10, that is, the non-display surface of the display panel 10. The power module 20 is used to provide a power supply voltage for the display panel 10 to display an image, and the support frame 30 provides a fixing and protection function for the display panel 10 and the power module 20.

[0035] In other embodiments of the present application, the display device 100 may not need to be provided with a supporting frame 30, for example, it is a portable electronic device such as a mobile phone, a tablet computer, etc.

[0036] See also Figure 2 , Figure 2 for Figure 1 Schematic diagram of the side structure of the display panel.

[0037] The display panel 10 includes an array substrate 10c, an opposite substrate 10d, and a display medium layer 10e sandwiched between the array substrate 10c and the opposite substrate 10d. Driving elements are arranged on the array substrate 10c and the opposite substrate 10d to generate corresponding electric fields according to data signals (Data), thereby driving the display medium in the display medium layer 10e to emit light of corresponding brightness to perform image display.

[0038] In this embodiment, the display panel 10 may be a liquid crystal display panel or other types of display panels, which is not limited in this application.

[0039] Taking the liquid crystal display panel as an example, the display panel 10 also includes a backlight module 17 (BM), wherein the backlight module 17 is used to provide display light to the display area 10a of the display panel 10, and the display panel 10 emits corresponding light according to the image signal to be displayed to perform image display.

[0040] The array substrate 10c includes a first electrode 101 and a second electrode 102 which are stacked in sequence, wherein the first electrode 101 is disposed adjacent to the display medium layer 10e, and the second electrode 102 is disposed adjacent to the first electrode 101 away from the display medium layer 10e, and the opposite substrate 10d includes a common electrode Vcom. The display panel 10 includes a first display mode and a second display mode. When the display panel 10 performs the first display mode, an electric field is formed between the first electrode 101 and the common electrode Vcom to drive the display medium to rotate and then emit light to display an image. When the display panel performs the second display mode, the first electrode 101 and the second electrode 102 form an electric field to drive the display medium to rotate and then emit light to display an image, wherein the first electrode 101 may be a pixel electrode.

[0041] Among them, in this embodiment, the display medium in the display medium layer 10e can be liquid crystal, wherein the liquid crystal can be a vertical alignment type (VA) or an in-plane switching type (IPS). By controlling the first electrode 101 to form electric fields in different directions with the common electrode and the second electrode 102 to drive the display medium to rotate, the rotation angle range of the display medium is effectively improved, thereby improving the viewing angle of the display panel.

[0042] Please also read Figure 3 , Figure 3 for Figure 2 Schematic diagram of the planar layout structure of the array substrate.

[0043] like Figure 3 As shown, corresponding to the display area 10a of the display panel 10, the array substrate 10c is provided with m data lines S1-Sm and n scan lines G1-Gn arranged in a grid shape. Among them, the m data lines S1-Sm extend along a first direction F1, and the n scan lines G1-Gn extend along a second direction F2. Among them, the first direction F1 and the second direction F2 are perpendicular to each other. The intersections of the n scan lines G1-Gn and the data lines S1-Sm are all correspondingly provided with pixel units 15.

[0044] Corresponding to the non-display area of ​​the display panel 10, the array substrate 10c is also provided with a timing control circuit 11, a data driving circuit 12 and a scanning driving circuit 13. The timing control circuit 11 receives an image signal representing image information from an external signal source, obtains a clock signal CLK for synchronization, a horizontal synchronization signal Hsyn and a vertical synchronization signal Vsyn, and outputs a gate output control signal Cg for use by the scanning driving circuit 13, a source output control signal Cs for use by the data driving circuit 12 and a data signal representing image information.

[0045] The m data lines S1 to Sm are connected to the data driving circuit 12 for receiving data signals stored and transmitted in the form of grayscale values ​​provided by the data driving circuit 12 . The n scan lines G1 to Gn are connected to the scan driving circuit 13 for receiving scan signals from the scan driving circuit 13 .

[0046] The pixel unit 15 receives the data voltage of the grayscale value in the corresponding data signal provided by the data lines S1~Sm in a predetermined time period under the control of the n scanning lines G1~Gn, and drives the display medium layer 10e to deflect the corresponding angle accordingly, so that the received backlight emits light of corresponding brightness according to the corresponding deflection angle, so as to achieve image display by emitting light of corresponding brightness according to the image signal.

[0047] See also Figure 4 , Figure 4 A second embodiment of the present application provides a Figure 3 Schematic diagram of the planar layout of the pixel unit.

[0048] like Figure 4 As shown, the pixel unit 15 includes a first light emitting area 151, a second light emitting area 152 and a driving module 153, and the driving module 153 is used to drive the first light emitting area 151 and the second light emitting area 152 to emit light respectively. The display panel 10 includes a first display mode and a second display mode. When the display panel 10 executes the first display mode, the first light emitting area 151 emits light to perform image display. When the display panel 10 executes the second display mode, the second light emitting area 152 emits light to perform image display. The display panel 10 also includes a third display mode. When the display panel executes the third display mode, the first light emitting area 151 and the second light emitting area 152 simultaneously emit light to display an image.

[0049] See also Figure 5 , Figure 5 for Figure 4 Schematic diagram of the equivalent circuit of the driving module 153.

[0050] like Figure 5As shown, the driving module 153 includes a first switch tube T1, a first capacitor C1 and a second capacitor C2, wherein the control end of the first switch tube T1 is electrically connected to the scan line G, the first end of the first switch tube T1 is electrically connected to the data line S, the second end of the first switch tube T1 is electrically connected to the first electrode 101, and the first switch tube T1 is used to be turned on under the control of the scan signal to transmit the data signal to the first electrode 101. The first capacitor C1 is electrically connected between the second end of the first switch tube T1 and the common electrode Vcom, that is, electrically connected between the first electrode 101 and the common electrode Vcom, and the second capacitor is electrically connected between the second end of the first switch tube T1 and the second electrode 102, that is, electrically connected between the first electrode 101 and the second electrode 102. When the display panel 10 executes the first display mode, an electric field is formed between the first electrode 101 and the common electrode Vcom according to the data signal to drive the display medium in the first light emitting area 151 to rotate so as to display an image. When the display panel 10 executes the second display mode, an electric field is formed between the first electrode 101 and the second electrode 102 according to the data signal to drive the display medium in the second light emitting area 152 to rotate so as to display an image.

[0051] When the display panel 10 executes the third display mode, an electric field is formed between the first electrode 101 and the common electrode Vcom according to the data signal to drive the display medium in the first light emitting area 151 to rotate so as to perform image display. At the same time, an electric field is formed between the first electrode 101 and the second electrode 102 according to the data signal to drive the display medium in the second light emitting area 152 to rotate so as to perform image display.

[0052] In this embodiment, the first capacitor C1 and the second capacitor C2 can be liquid crystal capacitors, and the first switch tube T1 can be arranged between the first light emitting area 151 and the second light emitting area 152, so that the first light emitting area 151 and the second light emitting area 152 can share the first electrode 101. Of course, they can also be arranged at other positions according to specific needs, and the present application does not impose any restrictions on this.

[0053] See also Figure 6 , Figure 6 A schematic diagram of an equivalent circuit of a pixel unit provided in the second embodiment of the present application.

[0054] like Figure 6As shown, the array substrate 10c is provided with a voltage adjustment terminal Acom, and the pixel unit 15 includes a first switch tube T1, a second switch tube T2, a first capacitor C1 and a second capacitor C2, wherein the control end of the first switch tube T1 is electrically connected to the scan line G, the first end of the first switch tube T1 is electrically connected to the data line S, the second end of the first switch tube T1 is electrically connected to the first electrode 101 (pixel electrode), the control end of the second switch tube T2 is electrically connected to the scan line G, the first end of the second switch tube T2 is electrically connected to the first electrode 101, and the second end of the second switch tube T2 is electrically connected to the voltage adjustment terminal Acom, the first capacitor C1 is electrically connected between the first electrode 101 and the common electrode Vcom, and the second capacitor C2 is electrically connected between the first electrode 101 and the second electrode 102, wherein the first capacitor C1 can be a liquid crystal capacitor in the first light emitting area 151, and the second capacitor C2 can be a liquid crystal capacitor in the second light emitting area 152. The second switch tube T2 is set to divide the voltage of the first switch tube T1, and the voltage change of the voltage adjustment terminal Acom is controlled to adjust the voltage change across the second capacitor C2. That is, the voltage difference between the first electrode 101 and the second electrode 102 can be adjusted by controlling the voltage change of the voltage adjustment terminal Acom, so that under the drive of the same data signal, the brightness of the light emitted from the second light emitting area 152 is controlled between the first electrode 101 and the second electrode 102 to be the same as the brightness of the light emitted from the first light emitting area 151, thereby eliminating the problem of poor display due to the asymmetry of the driving voltage between the first light emitting area 151 and the second light emitting area 152 in the third display mode.

[0055] See also Figure 7 , Figure 7 A schematic diagram of an equivalent circuit of a pixel unit provided in the third embodiment of the present application.

[0056] like Figure 7 As shown, the array substrate 10c is provided with a voltage adjustment terminal Acom, and the pixel unit 15 includes a first switch tube T1, a second switch tube T2, a third switch tube T3, a first capacitor C1 and a second capacitor C2, wherein the control end of the first switch tube T1 is electrically connected to the scan line G, the first end of the first switch tube T1 is electrically connected to the data line S, the second end of the first switch tube T1 is electrically connected to the first end of the second switch tube T2, the control end of the second switch tube T2 is electrically connected to the scan line G, the second end of the second switch tube T2 is electrically connected to the first end of the third switch tube T3, the control end of the third switch tube T3 is electrically connected to the scan line G, and the second end of the third switch tube T3 is electrically connected to the voltage adjustment terminal Acom.

[0057] The first capacitor C1 is electrically connected between the second end of the first switch tube T1 and the common electrode Vcom, that is, the first electrode 101 (pixel electrode) and the common electrode Vcom, and the second capacitor C2 is electrically connected between the second end of the second switch tube T2 and the second electrode 102, that is, between the first electrode 101 (pixel electrode) and the second electrode 102, wherein the first capacitor C1 can be a liquid crystal capacitor in the first light emitting area 151, and the second capacitor C2 can be a liquid crystal capacitor in the second light emitting area 152. The second switch tube T2 and the third switch tube T3 are set to divide the voltage of the first switch tube T1, and the voltage change of the voltage adjustment terminal Acom is controlled to adjust the voltage change across the second capacitor C2. That is, the voltage difference between the first electrode 101 and the second electrode 102 can be adjusted by controlling the voltage change of the voltage adjustment terminal Acom, so that under the drive of the same data signal, the brightness of the light emitted from the second light emitting area 152 is controlled between the first electrode 101 and the second electrode 102 to be the same as the brightness of the light emitted from the first light emitting area 151, thereby eliminating the problem of poor display between the first light emitting area 151 and the second light emitting area 152 due to the asymmetry of the driving voltage in the display mode.

[0058] See also Figure 8 , Figure 8 for Figure 4 Schematic diagram of the cross-sectional structure of the display panel corresponding to the first light emitting area.

[0059] like Figure 8 As shown, in the first light exiting area 151, the array substrate 10c further includes a third electrode 103, the third electrode 103 is arranged on the side of the first electrode 101 away from the display medium layer 10e, and the third electrode 103 and the second electrode 102 are located in the same layer structure. The data line S is arranged on the side of the third electrode 103 away from the first electrode 101, and the third electrode 103 is a shielding electrode, which is used to shield the voltage coupling phenomenon between the data line S and the first electrode and between the data line S and the scanning line.

[0060] In the first light emitting area 151, the display medium L, i.e., the liquid crystal molecules, extend along the first preset direction X1 and are arranged in sequence along the second preset direction X2, that is, in the first light emitting area 151, the liquid crystal molecules are arranged vertically. When an electric field is formed between the first electrode 101 and the common electrode Vcom, the liquid crystal molecules change from a vertical arrangement to a tilted state, so that light can be emitted through the liquid crystal molecules.

[0061] See also Fig. 9 , Fig. 9 for Figure 4 Schematic diagram of the cross-sectional structure of the display panel corresponding to the second light emitting area.

[0062] like Fig. 9As shown, in the second light emitting area 152, the first electrode 101 and the second electrode 102 are stacked, the first electrode 101 is adjacent to the display medium layer 10e, and the second electrode 102 is arranged on the side of the first electrode 101 away from the display medium layer 10e. An electric field is formed between the first electrode 101 and the second electrode 102 to drive the liquid crystal molecules to rotate and emit light to display images.

[0063] In the second light emitting area 152, the display medium L, i.e., the liquid crystal molecules, extend along the second preset direction X2 and are arranged sequentially along the second preset direction X2, that is, in the second light emitting area 152, the liquid crystal molecules are arranged in parallel laterally, and when an electric field is formed between the first electrode 101 and the second electrode 102, the liquid crystal molecules change the light transmittance through planar rotation motion, thereby displaying images.

[0064] The projections of the second electrode 102 and the common electrode Vcom on the opposite substrate 10d along the first preset direction do not overlap, that is, at the position corresponding to the second electrode 102, the common electrode Vcom is hollowed out to avoid voltage crosstalk between the second electrode 102 and the common electrode Vcom.

[0065] By setting the display medium L in the first light emitting area 151 to a vertical arrangement type and setting a corresponding vertical electric field for driving, the pixel unit 15 can achieve a high-contrast display effect of a vertically arranged panel. At the same time, by setting the display medium L in the second light emitting area 152 to a horizontal parallel arrangement and setting a corresponding horizontal electric field for driving, the pixel unit 15 can also achieve a high-viewing angle display effect of a horizontally parallel arrangement panel, thereby enabling the pixel unit 15 to be compatible with both high-contrast and high-viewing angle display effects, thereby improving the user experience.

[0066] See also Fig.10 , Fig.10 A schematic diagram of a pixel unit plane layout provided in the fourth embodiment of the present application.

[0067] like Fig.10 As shown, the display area 10a of the display panel 10 includes a plurality of pixel units 15 arranged in an array, wherein the plurality of pixel units 15 include a first pixel unit 15a and a second pixel unit 15b, wherein the first pixel unit 15a and the second pixel unit 15b are arranged alternately in sequence along a first direction F1, and the first pixel unit 15a and the second pixel unit 15b are arranged alternately in sequence along a second direction F2. In the first pixel unit 15a, an electric field is formed by the first electrode 101 and the common electrode Vcom to drive the display medium L to rotate so as to emit light for image display, wherein the display medium L is arranged vertically, and the display panel structure is similar to that of FIG. Figure 8In the second pixel unit 15b, an electric field is formed between the first electrode 101 and the second electrode 102 to drive the display medium L to rotate and emit light to display an image, wherein the display medium L is arranged horizontally, and the display panel structure is the same as Fig. 9 By arranging the display media L in two adjacent pixel units to be arranged vertically and horizontally, respectively, the display panel can achieve both a high contrast ratio of a vertical arrangement panel and a high viewing angle of a horizontal arrangement panel when displaying images.

[0068] It should be understood that the application of the present invention is not limited to the above examples. For ordinary technicians in this field, improvements or changes can be made based on the above description. All these improvements and changes should fall within the scope of protection of the claims attached to the present invention.

Claims

1. A display panel, characterized in that: It comprises an array substrate, a display medium layer and an opposite substrate which are stacked in sequence, wherein the array substrate and the opposite substrate are used to form a voltage to drive the display medium layer to emit light to display an image; The counter substrate includes a common electrode, the array substrate includes a first electrode and a second electrode stacked, the first electrode is adjacent to the display medium layer, the second electrode is arranged on a side of the first electrode away from the display medium layer, when the display panel displays an image in a first display mode, an electric field is formed between the first electrode and the common electrode to drive the display medium to display an image, and when the display panel displays an image in a second display mode, an electric field is formed between the first electrode and the second electrode to drive the display medium to display an image; the array substrate includes a plurality of data lines, a plurality of scan lines and a plurality of pixel units arranged in an array, the data lines are used to transmit data signals to the pixel units; The pixel unit includes a first light emitting area and a second light emitting area. When the display panel performs the first display mode, the first light emitting area emits light. When the display panel performs the second display mode, the second light emitting area emits light. The display panel also includes a third display mode. When the display panel performs the third display mode, the first electrode forms an electric field with the common electrode according to the data signal to drive the display medium in the first light emitting area to emit light. At the same time, an electric field is formed between the first electrode and the second electrode to drive the display medium in the second light emitting area to emit light. The array substrate also includes a voltage adjustment end, and the pixel unit includes a first switch tube, a second switch tube, a first capacitor and a second capacitor. The control end of the first switch tube is electrically connected to the scan line, the first end of the first switch tube is electrically connected to the data line, the second end of the first switch tube is electrically connected to the first electrode, the control end of the second switch tube is electrically connected to the scan line, the first end of the second switch tube is electrically connected to the first electrode, and the second end of the second switch tube is electrically connected to the voltage adjustment end. The first capacitor is electrically connected between the first electrode and the common electrode, and the second capacitor is electrically connected between the first electrode and the second electrode. The voltage adjustment end is used to adjust the voltage difference between the first electrode and the second electrode to control the brightness of the light emitted from the first light emitting area and the second light emitting area to be the same.

2. The display panel according to claim 1, wherein: When an electric field is formed between the first electrode and the common electrode to drive the display medium, the display medium rotates within a first angle range to emit light. When an electric field is formed between the first electrode and the second electrode to drive the display medium, the display medium rotates within a second angle range to emit light, wherein the first angle range is smaller than the second angle range.

3. The display panel according to claim 2, wherein: The pixel unit is electrically connected to the data line and the scan line, and is used for receiving a scan signal from the scan line, and receiving a data signal from the data line under the control of the scan signal, and performing image display according to the data signal.

4. The display panel according to claim 3, wherein: In the first light exiting area, the display medium extends along a first preset direction and is sequentially arranged along a second direction. In the second light exiting area, the display medium extends along a second preset direction and is sequentially arranged along the second direction.

5. The display panel according to claim 4, wherein: The array substrate further includes a third electrode, the third electrode is arranged in the first light exiting area, the second electrode is arranged in the second light exiting area, the third electrode and the second electrode are located in the same layer structure, the data line is stacked and arranged on a side of the third electrode away from the first electrode, and the third electrode is used to shield the voltage coupling between the data line and the first electrode; Projections of the second electrode and the common electrode along the second preset direction on the opposite substrate do not overlap.

6. The display panel according to claim 5, wherein: The first electrode is arranged between the first light emitting area and the second light emitting area, and the first electrode is electrically connected to the data line, and is used to receive the data signal from the data line, and form an electric field between it and the common electrode according to the data signal to drive the display medium in the first light emitting area to emit light, or form an electric field between it and the second electrode according to the data signal to drive the display medium in the second light emitting area to emit light.

7. A display device, characterized in that: It comprises a power supply module and a display panel as described in any one of claims 1 to 6, wherein the power supply module is used to provide driving power for the display panel to display images.

Images