CN214896133U - Liquid crystal display device - Google Patents
Liquid crystal display device Download PDFInfo
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- CN214896133U CN214896133U CN202120581784.7U CN202120581784U CN214896133U CN 214896133 U CN214896133 U CN 214896133U CN 202120581784 U CN202120581784 U CN 202120581784U CN 214896133 U CN214896133 U CN 214896133U
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Abstract
The utility model relates to a liquid crystal display device, which comprises a first liquid crystal box and a second liquid crystal box, wherein the second liquid crystal box is arranged on the first liquid crystal box, and the first liquid crystal box comprises a first base plate, a second base plate and a first liquid crystal layer; the second liquid crystal box comprises a third substrate, a fourth substrate and a second liquid crystal layer; the first control electrode is arranged on one side, close to the second liquid crystal layer, of the third substrate, the first touch electrode is arranged on one side, close to the second liquid crystal layer, of the fourth substrate, the second touch electrode is arranged on one side, far away from the second liquid crystal layer, of the fourth substrate, the first touch electrode layer is reused as the second control electrode, the first control electrode and the second control electrode are used for achieving a wide and narrow viewing angle display function, and the first touch electrode and the second touch electrode are used for achieving a touch function. The utility model provides a liquid crystal display device can realize the function that wide and narrow visual angle switches, can keep good touch-control function again.
Description
Technical Field
The utility model relates to a show technical field, and especially relate to a liquid crystal display device.
Background
The liquid crystal display device has the advantages of small volume, good picture quality, low drive, relatively low manufacturing cost and the like, and occupies a leading position in the field of flat panel display.
With the continuous development of liquid crystal display technology, people desire to effectively protect personal privacy from being peeped by others while pursuing a wide viewing angle, and therefore, a liquid crystal display device having a function of switching between a wide viewing angle and a narrow viewing angle is required. With the development of intelligent interaction technology, people hope to directly and automatically interact information on a screen, and therefore display devices with touch functions are produced. In order to make the lcd device have both good wide and narrow viewing angle switching function and touch display function, various display architectures have been designed. For example, a dimming cell is added to a normal lcd device to realize a display switching function between a wide viewing angle and a narrow viewing angle, and a touch electrode is disposed on an inner side of a substrate of the dimming cell or on an outer side of the substrate of the dimming cell. Fig. 1 is a cross-sectional view of a conventional light modulation box with a touch function, as shown in fig. 1, the light modulation box sequentially includes a compensation film 10, a lower substrate 1, a first electrode 3, a liquid crystal layer 5, a first insulating layer 6, a second electrode 4, a planarization layer 7, a second insulating layer 8, an upper substrate 2, and a polarizer 9, wherein the first touch electrode 11 and the second touch electrode 12 are separated by the second insulating layer 8 and are disposed on a side of the upper substrate 2 close to the liquid crystal layer 5. Fig. 2 is a cross-sectional view of another conventional light modulation box with touch control function, as shown in fig. 2, a first touch electrode 11 and a second touch electrode 12 are spaced by a second insulating layer 8 and disposed on a side of the upper substrate 2 away from the liquid crystal layer 5. Because the first electrode 3 and the second electrode 4 which are arranged on the upper substrate 2 and the lower substrate 1 of the light modulation box and drive the liquid crystal to rotate to realize the wide and narrow visual angle switching are whole surface electrodes, the first touch electrode 11 and the second touch electrode 12 are strip electrodes, the first touch electrode 11 is a touch driving electrode, the second touch electrode 12 is a touch receiving electrode, the first touch electrode 11 and the second touch electrode 12 are closer to the whole surface electrodes, a power line emitted by the first touch electrode towards the second touch electrode is influenced by the whole surface electrodes, and the second touch electrode cannot receive touch signals well, thereby the failure of the touch function is caused.
Therefore, it is desirable to design a liquid crystal display device that can switch between a wide viewing angle and a narrow viewing angle and maintain a good touch control function.
SUMMERY OF THE UTILITY MODEL
In view of this, the utility model provides a liquid crystal display device can realize the function that wide visual angle and narrow visual angle switch, can keep good touch-control function again.
The embodiment of the utility model provides a liquid crystal display device, including first liquid crystal cell and second liquid crystal cell, the second liquid crystal cell sets up on the first liquid crystal cell, first liquid crystal cell includes first base plate and second base plate and presss from both sides the first liquid crystal layer of establishing between the two, first liquid crystal cell is used for image display;
the second liquid crystal box comprises a third substrate, a fourth substrate and a second liquid crystal layer clamped between the third substrate and the fourth substrate; the first control electrode is arranged on one side, close to the second liquid crystal layer, of the third substrate, the first touch electrode is arranged on one side, close to the second liquid crystal layer, of the fourth substrate, the second touch electrode is arranged on one side, far away from the second liquid crystal layer, of the fourth substrate, and the first touch electrode layer is reused as the second control electrode; the first control electrode and the second control electrode are used for achieving a wide and narrow viewing angle display function, and the first touch electrode and the second touch electrode are used for achieving a touch function.
According to the utility model discloses an aspect provides a liquid crystal display device, first touch-control electrode includes a plurality of first touch-control electrode strip, second touch-control electrode includes a plurality of second touch-control electrode strip, first touch-control electrode strip with second touch-control electrode strip is the grid structure.
According to an aspect of the present invention, there is provided a liquid crystal display device, wherein the first touch electrode controls the thin film transistors in each row of pixels to be turned on in sequence in an effective period of a frame; the first touch electrode receives a touch driving signal in a blank period of a frame.
According to an aspect of the present invention, there is provided a liquid crystal display device, wherein when a voltage difference between the second control electrode and the first control electrode is greater than a reference voltage value, the second liquid crystal cell exhibits a narrow viewing angle display mode; and when the voltage difference between the second control electrode and the first control electrode is less than or equal to the reference voltage value, the second liquid crystal cell is in a wide viewing angle display mode.
According to an aspect of the present invention, there is provided a liquid crystal display device, wherein a through hole is formed in a fourth substrate in a non-display area, and a first touch control line, which is peripherally disposed to the first touch electrode, extends to an outer side of the fourth substrate through the through hole and forms a first bonding pad;
and a second touch control line of the second touch electrode in the non-display area is directly arranged on the outer side of the fourth substrate and forms a second binding pad.
According to the utility model discloses an aspect provides a liquid crystal display device, first touch-control line with the insulating setting of second touch-control line, first bind the pad with the insulating setting of pad is bound to the second.
According to an aspect of the present invention, there is provided a liquid crystal display device, wherein the second touch electrode and the first touch electrode are made of a transparent oxide material or a metal material.
According to an aspect of the present invention, there is provided a liquid crystal display device, wherein the first liquid crystal cell includes a common electrode and a pixel electrode, the pixel electrode and a first insulating layer are provided between the common electrodes.
According to an aspect of the present invention, a liquid crystal display device is provided, wherein a first polarizer is disposed on a surface of the first substrate away from the first liquid crystal layer, a second polarizer is disposed on a side of the second substrate away from the first liquid crystal layer, and a polarization axis direction of the second polarizer is perpendicular to a polarization axis direction of the first polarizer; and a third polaroid is arranged on one side of the fourth substrate, which is far away from the second liquid crystal layer, and the polarizing axis of the third polaroid is the same as that of the first polaroid, or the polarizing axis of the third polaroid is the same as that of the second polaroid.
According to the utility model discloses an aspect provides a liquid crystal display device, the second base plate is close to be provided with the conducting layer on a side of first liquid crystal layer, the conducting layer is used for shielding the electric field or realizes electrostatic protection.
To sum up, the utility model provides a liquid crystal display device through setting up first touch-control electrode in the inboard of fourth base plate, sets up second touch-control electrode in the outside of fourth base plate to make first touch-control electrode and second touch-control electrode apart from the interval grow of first control electrode, eliminated the interference effect of first control electrode (whole face electrode) to touch-control electrode, thereby realize touch-control function better. In addition, the first touch electrode and the second control electrode are multiplexed, so that the thickness of the second liquid crystal cell is reduced, the binding process is saved, the productivity is further improved, and the display function of the liquid crystal display device is optimized.
In order to make the aforementioned and other objects, features and advantages of the present invention comprehensible, preferred embodiments accompanied with figures are described in detail below.
Drawings
Fig. 1 is a cross-sectional view of a conventional light-adjusting box with a touch function;
FIG. 2 is a cross-sectional view of another conventional light-adjusting box with touch function;
fig. 3 is a cross-sectional view of a liquid crystal display device according to an embodiment of the present invention.
Description of reference numerals:
1-lower substrate; 2-an upper substrate; 3-a first electrode; 4-a second electrode; 5-a liquid crystal layer;
6-a first insulating layer; 7-a planarization layer; 8-a second insulating layer; 9-a polarizer; 10-a compensation film; 11-a first touch electrode; 12-a second touch electrode;
1000-liquid crystal display device; 100-a first liquid crystal cell; 200-a second liquid crystal cell;
10-a first substrate; 20-a second substrate; 30-a first liquid crystal layer; 11-a first polarizer; 21-a second polarizer; 12-a common electrode; 13-a first insulating layer; 14-pixel electrodes; 15-a first alignment layer; 24-a protective layer; 23-a color resist layer; 25-black matrix; 22-a conductive layer;
30-a third substrate; 40-a fourth substrate; 60-a second liquid crystal layer; 31-a first control electrode; 32-a compensation film; 41-a first touch electrode; 42-a second insulating layer; 43-a second touch electrode; 44-a third insulating layer; 45-third polarizer, 46-via.
Detailed Description
To further illustrate the technical means and effects of the present invention adopted to achieve the objects of the present invention, the following detailed description of the embodiments, structures, features and effects according to the present invention will be made with reference to the accompanying drawings and preferred embodiments.
Fig. 3 is a cross-sectional view of a liquid crystal display device according to an embodiment of the present invention, as shown in fig. 3, a liquid crystal display device 1000 includes a first liquid crystal cell 100 and a second liquid crystal cell 200, the second liquid crystal cell 200 is disposed on the first liquid crystal cell 100, the first liquid crystal cell 100 is used for displaying images, and the second liquid crystal cell 200 is a dimming cell for controlling the display of the wide and narrow viewing angle switching.
The first liquid crystal cell 100 includes a first substrate 10 and a second substrate 20, and a first liquid crystal layer 30 disposed therebetween, in this embodiment, the first substrate 10 is an array substrate, and the second substrate 20 is a color filter substrate.
The first substrate 10 is provided with a plurality of scan lines arranged horizontally and a plurality of data lines arranged longitudinally, the scan lines and the data lines are mutually perpendicular and crossed to form a plurality of pixel structures, and a switch for correspondingly controlling each pixel structure is arranged in each pixel structure and is used for controlling each pixel structure to be sequentially opened. Specifically, the switch for controlling each pixel structure is a thin film transistor including a gate electrode, a gate insulating layer, a semiconductor layer, a source electrode and a drain electrode, the gate insulating layer is disposed on the gate electrode, the semiconductor layer is disposed on the gate insulating layer, the source electrode and the drain electrode are disposed on both sides of the semiconductor layer, conduction of the source electrode and the drain electrode is controlled by the semiconductor layer according to whether the gate electrode is powered, and an insulating layer and a planarization layer are further disposed on the source electrode and the drain electrode.
The surface of the first substrate 10 away from the first liquid crystal layer 30 is further provided with a first polarizer 11, and a backlight module (not shown in the figure) is further disposed on a side of the first polarizer 11 away from the first liquid crystal layer 30, and light emitted from the backlight module is emitted upward into the first substrate 10, the first liquid crystal layer 30, and the second substrate 20 along a direction perpendicular to the backlight module. The first substrate 10 is provided with a common electrode 12, a first insulating layer 13 and a pixel electrode 14, the pixel electrode 14 corresponds to each pixel structure, and the pixel electrode 14 is connected with a drain electrode through the first insulating layer 13, a flat layer of a thin film transistor and a via hole on the insulating layer, so as to control the display of a single pixel structure. In the present embodiment, the pixel electrode 14 is disposed on the upper portion of the common electrode 12, but as another embodiment, the pixel electrode 14 may be disposed on the lower portion of the common electrode 12. When the pixel electrode 14 and the common electrode 12 are disposed on two different layers with the first insulating layer 13 interposed therebetween for spacing, a Fringe Field Switching (FFS) display panel is constructed. Of course, the pixel electrode 14 may be disposed In the same layer as the common electrode 12 with an insulating layer interposed therebetween, thereby forming an In-Plane Switching (IPS) display panel. The common electrodes 12 are provided in a block shape, connected to each other by common electrode lines, and applied with different voltage signals by the common electrode lines. In this embodiment, the first liquid crystal layer 12 is a positive liquid crystal, but not limited thereto, and in other embodiments, the first liquid crystal layer 12 may also be a negative liquid crystal. In the initial state (i.e. without any voltage applied), the liquid crystal molecules in the first liquid crystal layer 12 are in a posture with their long axes parallel to the substrates of the first substrate 10, and in practical applications, the initial pretilt angle of the liquid crystal molecules is, for example, 0 to 10 °.
The second substrate 20 is provided with a second polarizer 21 on a side far away from the first liquid crystal layer 30, and a conductive layer 22 is provided on a side of the second substrate 20 close to the first liquid crystal layer for shielding electric field or electrostatic protection. A color resist layer 23 is provided on the conductive layer 22, a plurality of color resists are provided in the color resist layer 23, and a black matrix 25 is provided at a position spaced from the plurality of color resists. In this embodiment, for example, different regions of the color resist layer 23 are set as a red resist (R), a green resist (G), and a blue resist (B), respectively, and a black matrix 25 is provided between the respective resists. Specifically, black matrixes 25 are disposed between the red resistor (R) and the green resistor (G), between the green resistor (G) and the blue resistor (B), and between the red resistor (R) and the blue resistor (B). A protective layer 24 is also provided on the second substrate 20. Specifically, the second substrate is a transparent substrate, which may be a hard material such as glass or quartz, or a polymer plastic material such as Polycarbonate (PC), polyvinyl chloride (PVC), or other transparent materials. The conductive layer 22 is disposed on the second substrate 20, the conductive layer 22 is a planar structure, and the conductive layer may be made of a transparent conductive material. Specifically, the transparent conductive material may be an inorganic transparent conductive material such as Indium Tin Oxide (ITO), Indium Zinc Oxide (IZO), Zinc Aluminum Oxide (ZAO), or a transparent organic conductive material. The protective layer 24 is provided on the color resist layer 23 and the black matrix 25. A second alignment layer for forming alignment tracks for liquid crystal molecules of the liquid crystal layer and a spacer layer (not shown) for maintaining a cell thickness between the first substrate 10 and the second substrate 20 are further disposed on the protective layer 24. It should be noted that the conductive layer 22 here may also be disposed on the side of the color resist layer 23 and the black matrix 25 close to the first liquid crystal layer 30, which is not limited here.
It should be noted here that the polarization axis directions of the second polarizer 21 and the first polarizer 11 are perpendicular, for example, the polarization axis direction of the first polarizer 11 on the first substrate 10 is along a first direction, and the polarization axis direction of the second polarizer 21 on the second substrate 20 is along a second direction, and the first direction and the second direction are perpendicular. Here, a direction parallel to the long side of the first liquid crystal cell 100 is set as a first direction, and a direction parallel to the short side of the first liquid crystal cell 100 is set as a second direction.
The second liquid crystal cell 200 includes a third substrate 30, a fourth substrate 40 and a second liquid crystal layer 60 disposed therebetween, wherein a compensation film 32 is disposed on a side of the third substrate 30 away from the second liquid crystal layer 60 for compensating light emitted from the first liquid crystal cell 100, so as to prevent light attenuation caused by dual-cell superposition of the liquid crystal display device. A first control electrode 31 is disposed on a side of the third substrate 30 close to the second liquid crystal layer 60, and an alignment film layer is further disposed on an upper surface of the first control electrode 31 for aligning liquid crystal molecules of the second liquid crystal layer 60. A third polarizer 45 is disposed on a side of the fourth substrate 40 away from the second liquid crystal layer 60, and a polarization axis of the third polarizer 45 is the same as the polarization axis of the first polarizer 11 of the first liquid crystal cell 100, or the polarization axis of the third polarizer 45 is the same as the polarization axis of the second polarizer 21 of the first liquid crystal cell 100.
A second touch electrode 43 is disposed between the third polarizer 45 and the fourth substrate 40, a plurality of second touch electrode strips disposed at intervals are distributed on the second touch electrode 43, the second touch electrode 43 is a touch driving electrode, and a third insulating layer 44 is further covered on the second touch electrode 43 for insulating the plurality of second touch electrode strips of the second touch electrode 43. A first touch electrode 41 is disposed between the fourth substrate 40 and the second liquid crystal layer 60, a plurality of first touch electrode bars are distributed on the first touch electrode 41, the first touch electrode 41 is a touch receiving electrode, and a second insulating layer 42 is disposed on a side of the first touch electrode 41 close to the second liquid crystal layer 60 for insulating the plurality of first touch electrode bars of the first touch electrode 41. The first touch electrode 41 and the second touch electrode 43 are both in a grid structure in a plane, and may be made of a metal transparent oxide, specifically, an inorganic transparent conductive material or a transparent organic conductive material such as Indium Tin Oxide (ITO), Indium Zinc Oxide (IZO), Zinc Aluminum Oxide (ZAO), and the like. The first touch electrode 41 and the second touch electrode 43 may also be made of metal, and have high light transmittance when made of transparent metal oxide and low blocking when made of metal. The plurality of first touch electrode bars of the first touch electrode 41 may be disposed in a vertical projection of the plurality of second touch electrode bars of the second touch electrode 43, or the plurality of first touch electrode bars of the first touch electrode 41 and the plurality of second touch electrode bars of the second touch electrode 43 may be disposed at intervals in a vertical direction, which is not limited herein.
An alignment film layer is further disposed between the first touch electrode 41 and the second liquid crystal layer 60 for alignment of liquid crystal molecules of the second liquid crystal layer 60. Thin film transistors corresponding to a plurality of pixel structures are further provided on the fourth substrate 30, thereby controlling a viewing angle condition of each pixel structure. Note that the second liquid crystal cell 200 is not provided with a color resistance.
The first touch electrode 41 is also reused as a second control electrode besides being set as a touch receiving electrode, and the first touch electrode 41 (i.e., the second control electrode) and the first control electrode 31 together form an electric field, thereby realizing the function of switching between a wide viewing angle and a narrow viewing angle. When the voltage difference between the first control electrode and the second control electrode is larger than the reference voltage value, the second liquid crystal cell is in a narrow viewing angle display mode, and when the voltage difference between the first control electrode and the second control electrode is smaller than or equal to the reference voltage value, the second liquid crystal cell is in a wide viewing angle display mode. In the present embodiment, the reference voltage value is preferably 0 v. In this embodiment, One Frame time (One Frame) of the second liquid crystal cell includes an active period and a blank period, the scan lines control the tfts in the pixel units of each row to be sequentially turned on in the active period, and the data lines apply data voltages to the pixel electrodes. The first touch electrode 41 receives the touch driving signal during the blank period, and the second touch electrode 43 senses the touch position and outputs the touch driving signal during the blank period. Specifically, the frame time is, for example, 16.7ms, wherein the blank period is 3 to 5ms, for example, 3ms, and the rest are active periods. The touch driving signal is input into the first touch electrode strips or the second touch electrode strips in a row scanning or column scanning mode, and the scanning frequency of the touch driving signal is 80-200 KHZ.
In the embodiment of the present invention, since the first touch electrode 41 is disposed on the inner side of the fourth substrate 40, the second touch electrode 43 is disposed on the outer side of the fourth substrate 40, in order to realize the line control of the first touch electrode 41 and the second touch electrode 43, a through hole 46 is disposed on the fourth substrate 40 in the non-display area, the first touch control line disposed on the periphery of the first touch electrode 41 extends to the outer side of the fourth substrate 40 through the through hole 46, and a first bonding pad is formed on the outer side of the fourth substrate 40. The second touch control lines arranged around the second touch control electrode 43 do not need to extend through the through holes 46, and a second binding pad is directly formed in the non-display area of the fourth substrate 40, the first touch control line and the second touch control line are arranged in an insulating manner, and the first binding pad and the second binding pad are arranged in an insulating manner, so that the connection between the peripheral touch control lines of the first touch control electrode 41 and the second touch control electrode 43 and the flexible electrode plate is finally realized. It is noted that specific first touch control lines, second touch control lines, first bonding pads, and second bonding pads are not shown in fig. 3.
The utility model discloses an in the embodiment between first liquid crystal box 100 and the second liquid crystal box 200 fix through the adhesive tape, preferably OCA glues, certainly also can accomplish the back at first liquid crystal box 100 preparation, directly make second liquid crystal box 200 on the surface of first liquid crystal box 100, can save the adhesive tape like this, also can make the joint strength between first liquid crystal box 100 and the second liquid crystal box 200 stronger, also can further reach the effect of attenuate.
In this embodiment, the utility model provides a pair of liquid crystal display device is through setting up first touch-control electrode in the inboard of fourth base plate, with the outside of second touch-control electrode setting at the fourth base plate to make first touch-control electrode and second touch-control electrode apart from the interval grow of first control electrode, eliminated the interference effect of first control electrode (whole face electrode) to touch-control electrode, thereby realize touch-control function better. In addition, the first touch electrode and the second control electrode are multiplexed, so that the thickness of the second liquid crystal cell is reduced, the binding process is saved, the productivity is further improved, and the display function of the liquid crystal display device is optimized.
The above description is only a preferred embodiment of the present invention, and the present invention is not limited to the above description, and although the present invention has been disclosed by the preferred embodiment, it is not limited to the present invention, and any person skilled in the art can make modifications or changes equivalent to the equivalent embodiments by utilizing the above disclosed technical contents without departing from the technical scope of the present invention, but all the modifications, changes and changes of the technical spirit of the present invention made to the above embodiments are also within the scope of the technical solution of the present invention.
Claims (10)
1. A liquid crystal display device comprising a first liquid crystal cell and a second liquid crystal cell, the second liquid crystal cell being disposed over the first liquid crystal cell,
the first liquid crystal box comprises a first substrate, a second substrate and a first liquid crystal layer clamped between the first substrate and the second substrate, and is used for image display;
the second liquid crystal box comprises a third substrate, a fourth substrate and a second liquid crystal layer clamped between the third substrate and the fourth substrate; the first control electrode is arranged on one side, close to the second liquid crystal layer, of the third substrate, the first touch electrode is arranged on one side, close to the second liquid crystal layer, of the fourth substrate, the second touch electrode is arranged on one side, far away from the second liquid crystal layer, of the fourth substrate, and the first touch electrode layer is reused as the second control electrode; the first control electrode and the second control electrode are used for achieving a wide and narrow viewing angle display function, and the first touch electrode and the second touch electrode are used for achieving a touch function.
2. The liquid crystal display device according to claim 1, wherein the first touch electrode comprises a plurality of first touch electrode bars, the second touch electrode comprises a plurality of second touch electrode bars, and the first touch electrode bars and the second touch electrode bars are both in a grid structure.
3. The liquid crystal display device according to claim 2, wherein the first touch electrode controls the thin film transistors in each row of pixels to be turned on in sequence in an active period of a frame; the first touch electrode receives a touch driving signal in a blank period of a frame.
4. The liquid crystal display device according to claim 3, wherein when the voltage difference between the second control electrode and the first control electrode is larger than a reference voltage value, the second liquid crystal cell exhibits a narrow viewing angle display mode; and when the voltage difference between the second control electrode and the first control electrode is less than or equal to the reference voltage value, the second liquid crystal cell is in a wide viewing angle display mode.
5. The liquid crystal display device according to claim 4, wherein a through hole is provided on the fourth substrate in the non-display region, and the first touch control line provided at the periphery of the first touch electrode extends to the outside of the fourth substrate through the through hole and forms a first bonding pad;
and a second touch control line of the second touch electrode in the non-display area is directly arranged on the outer side of the fourth substrate and forms a second binding pad.
6. The liquid crystal display device according to claim 5, wherein the first touch control line and the second touch control line are provided in insulation, and the first bonding pad and the second bonding pad are provided in insulation.
7. The liquid crystal display device according to claim 1, wherein the second touch electrode and the first touch electrode are made of a transparent oxide material or a metal material.
8. The liquid crystal display device according to claim 1, wherein the first liquid crystal cell includes a common electrode and a pixel electrode with a first insulating layer disposed therebetween.
9. The liquid crystal display device according to claim 1, wherein a surface of the first substrate remote from the first liquid crystal layer is provided with a first polarizer, a side of the second substrate remote from the first liquid crystal layer is provided with a second polarizer, and the polarizing axes of the second polarizer and the first polarizer are perpendicular; and a third polaroid is arranged on one side of the fourth substrate, which is far away from the second liquid crystal layer, and the polarizing axis of the third polaroid is the same as that of the first polaroid, or the polarizing axis of the third polaroid is the same as that of the second polaroid.
10. The liquid crystal display device according to claim 1, wherein a conductive layer is provided on a side of the second substrate adjacent to the first liquid crystal layer, and the conductive layer is used for shielding an electric field or realizing electrostatic protection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN202120581784.7U CN214896133U (en) | 2021-03-22 | 2021-03-22 | Liquid crystal display device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120581784.7U CN214896133U (en) | 2021-03-22 | 2021-03-22 | Liquid crystal display device |
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| CN214896133U true CN214896133U (en) | 2021-11-26 |
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| CN202120581784.7U Active CN214896133U (en) | 2021-03-22 | 2021-03-22 | Liquid crystal display device |
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