WO2019056458A1

WO2019056458A1 - Liquid crystal display device

Info

Publication number: WO2019056458A1
Application number: PCT/CN2017/107347
Authority: WO
Inventors: 黄北洲
Original assignee: 惠科股份有限公司
Priority date: 2017-09-19
Filing date: 2017-10-23
Publication date: 2019-03-28
Also published as: CN107608139A

Abstract

Provided is a liquid crystal display device (2), comprising a first substrate (21), a first vertical alignment layer (22), a second substrate (23), a second vertical alignment layer (24), a liquid crystal layer (25), a plurality of first alignment control structures (26) and a plurality of second alignment control structures (27), wherein the first vertical alignment layer (22) is arranged on the first substrate (21); the second substrate (23) is arranged opposite the first substrate (21); the second vertical alignment layer (24) is arranged on the second substrate (23) and faces the first vertical alignment layer (22); the liquid crystal layer (25) has negative dielectric constant anisotropy, and is provided between the first vertical alignment layer (22) and the second vertical alignment layer (24); the first alignment control structures (26) are arranged on the first substrate (21) and are arranged facing the liquid crystal layer (25), and each of the first alignment control structures (26) comprises a plurality of hexagonal units (261); and the second alignment control structures (27) are arranged on the second substrate (23) and are arranged facing the liquid crystal layer (25), and each of the second alignment control structures (27) comprises a plurality of hexagonal units (271).

Description

Liquid crystal display device

Technical field

The present application relates to a display device, and more particularly to a liquid crystal display device having a negative dielectric anisotropy.

Background technique

With the advancement of technology, flat display devices have been widely used in various fields, especially liquid crystal display devices, which have gradually replaced traditional cathode ray tube display devices due to their superior characteristics such as light weight, low power consumption and no radiation. And applied to many kinds of electronic products, such as mobile phones, portable multimedia devices, notebook computers, LCD TVs and LCD screens, and the like.

A TN type liquid crystal display panel is known to have a narrow viewing angle. In order to improve this problem, a liquid crystal display panel of a multi-domain vertical alignment (MVA) technology has been proposed. In an MVA type liquid crystal display panel of an n-type liquid crystal, protrusions or pores are provided on a substrate of the liquid crystal cell to control alignment of liquid crystal molecules. At present, it has been found that in some regions, after the electric field is established, the deflection of the liquid crystal molecules is unstable, resulting in problems of brightness and reaction speed.

Summary of the invention

In view of the deficiencies of the prior art, the inventors have obtained this application after research and development. The purpose of the present application is to provide a liquid crystal display device which can reduce areas where different transmittances occur and reduce the boundary movement of these areas to improve screen brightness and reaction time.

The present application provides a liquid crystal display device including a first substrate, a first vertical alignment layer, a second substrate, a second vertical alignment layer, a liquid crystal layer, a plurality of first alignment control structures, and a plurality of second Orientation control structure. The first vertical alignment layer is disposed on the first substrate. The second substrate is disposed opposite to the first substrate. The second vertical alignment layer is disposed on the second substrate and faces the first vertical alignment layer. The liquid crystal layer has a negative dielectric anisotropy and is disposed between the first vertical alignment layer and the second vertical alignment layer. The first alignment control structure is disposed on the first substrate and disposed toward the liquid crystal layer, and each of the first alignment control structures includes a plurality of hexagonal units. The second alignment control structure is disposed on the second substrate and disposed toward the liquid crystal layer, and each of the second alignment control structures includes a plurality of hexagonal units.

In an embodiment, each of the first alignment control structures or the respective/and second alignment control structures is a convex body, Or pores or a combination thereof.

In one embodiment, each of the first alignment control structures or/and each of the second alignment control structures is linear or curved as viewed in the vertical direction of the first substrate.

In one embodiment, one of the first alignment control structures and one of the second alignment control structures at least partially overlap each other as viewed in the vertical direction of the first substrate.

In an embodiment, the first alignment control structure and the second alignment control structure are alternately arranged and curved.

In an embodiment, the hexagonal unit of the first alignment control structure and the hexagonal unit of the second alignment control structure in the same pixel are equipotentially viewed in the vertical direction of the first substrate.

In an embodiment, the hexagonal unit of the first alignment control structure and the hexagonal unit of the second alignment control structure in the same pixel are different in phase from the vertical direction of the first substrate by one-half phase and misaligned. arrangement.

In one embodiment, the hexagonal unit of the first alignment control structure and the hexagonal unit of the second alignment control structure in the same pixel are offset by one phase on the left and right sides and are misaligned as viewed in the vertical direction of the first substrate.

In an embodiment, there is at least one first alignment control structure and at least one second alignment control structure within the same pixel.

In an embodiment, the hexagonal unit of the first alignment control structure or the hexagonal unit of the second alignment control structure within the same pixel are connected to each other at least in part.

The present application also provides a liquid crystal display device, which also includes a first substrate, a first vertical alignment layer, a second substrate, a second vertical alignment layer, a liquid crystal layer, a plurality of first alignment control structures, and a plurality of second alignment control structures. . The first vertical alignment layer is disposed on the first substrate. The second substrate is disposed opposite to the first substrate. The second vertical alignment layer is disposed on the second substrate and faces the first vertical alignment layer. The liquid crystal layer has a negative dielectric anisotropy and is disposed between the first vertical alignment layer and the second vertical alignment layer. The first alignment control structure is disposed on the first substrate and disposed toward the liquid crystal layer, and each of the first alignment control structures includes a plurality of first geometric units. The second alignment control structure is disposed on the second substrate and disposed toward the liquid crystal layer, and each of the second alignment control structures includes a plurality of second geometric units. The first geometric unit is different from the second geometric unit.

In an embodiment, each of the first alignment control structures or/and each of the second alignment control structures is a protrusion, or an aperture, or a combination thereof.

In an embodiment, the first geometric unit of the first alignment control structure and the second geometric unit of the second alignment control structure in the same pixel are equilocated as viewed in the vertical direction of the first substrate.

In an embodiment, the first geometric unit is hexagonal and the second geometric unit is triangular.

In an embodiment, the hexagonal outer circle has the same center as the circumscribed circle of the triangle.

In an embodiment, the first geometric unit of the first alignment control structure or the second geometric unit of the second alignment control structure within the same pixel are connected to each other at least in part.

The present application further provides a liquid crystal display device including a first substrate, a first vertical alignment layer, a second substrate, a second vertical alignment layer, a liquid crystal layer, a plurality of first alignment control structures, and a plurality of second alignment control structures. The first vertical alignment layer is disposed on the first substrate. The second substrate is disposed opposite to the first substrate. The second vertical alignment layer is disposed on the second substrate and faces the first vertical alignment layer. The liquid crystal layer has a negative dielectric anisotropy and is disposed between the first vertical alignment layer and the second vertical alignment layer. The first alignment control structure is disposed on the first substrate and disposed toward the liquid crystal layer, and each of the first alignment control structures includes a plurality of first waveform units. The second alignment control structure is disposed on the second substrate and disposed toward the liquid crystal layer, and each of the second alignment control structures includes a plurality of second waveform units. The first waveform unit is different from the second waveform unit.

In an embodiment, the first alignment control structure and the second alignment control structure are alternately arranged, and Curved.

In an embodiment, the first waveform unit and the second waveform unit of the same column in the same pixel are equilocated as viewed in the vertical direction of the first substrate.

In one embodiment, the first waveform unit and the second waveform unit of the same column in the same pixel are misaligned as viewed in the vertical direction of the first substrate.

In an embodiment, the first waveform unit of the adjacent column is equipotentially viewed in the vertical direction of the first substrate.

In an embodiment, the first waveform unit of the adjacent column is misaligned as viewed in the vertical direction of the first substrate.

In an embodiment, the first waveform unit is a sinusoidal waveform and the second waveform unit is a cosine waveform.

In summary, the liquid crystal display device of the present application utilizes a hexagonal unit (hexagonal structure or honeycomb) having a alignment or a misalignment at the same time, a first geometric unit and a second geometric unit, or a first waveform unit. The alignment control structure of the second waveform unit can control the tilting direction of the liquid crystal molecules when energized to reduce the regions where different transmittances occur, and reduce the boundary movement of these regions to improve the screen brightness and achieve faster reaction time. .

DRAWINGS

The drawings are included to provide a further understanding of the embodiments of the present application, and are intended to illustrate the embodiments of the present application Obviously, the drawings in the following description are only some of the embodiments of the present application, and those skilled in the art can obtain other drawings according to the drawings without any inventive labor. In the drawing:

FIG. 1 is a schematic diagram of a liquid crystal display device according to an embodiment of the present application.

2 is a side elevational view of a liquid crystal display device according to an embodiment of the present invention, showing a tilting situation in which liquid crystal molecules pass through a first alignment control structure and a second alignment control structure.

3 is a schematic diagram of a single pixel of a liquid crystal display device according to an embodiment of the present application.

4 is a schematic diagram of a first alignment control structure and a second alignment control structure according to another embodiment of the present application, which is viewed in a vertical direction of the first substrate (or the second substrate).

FIG. 5 is a schematic diagram of a second alignment control structure (or a first alignment control structure) according to an embodiment of the present application, wherein the second alignment control structure takes a convex body as an example.

6 is a schematic diagram of a first alignment control structure (or a second alignment control structure) according to an embodiment of the present application, wherein the first alignment control structure takes an aperture as an example.

7 to FIG. 9 are schematic diagrams showing a first alignment control structure and a second alignment control structure according to an embodiment of the present application, which are viewed in a vertical direction of the first substrate.

FIG. 10 is a schematic diagram of a first alignment control structure and a second alignment control structure according to another embodiment of the present application, which is viewed in a vertical direction of the first substrate.

11 is a schematic illustration of the geometric features of the first geometric unit and the second geometric unit of FIG.

12 to FIG. 14 are schematic diagrams showing a first alignment control structure and a second alignment control structure according to still another embodiment of the present application, which are viewed in a vertical direction of the first substrate.

The implementation, functional features and advantages of the present application will be further described with reference to the accompanying drawings.

Detailed ways

The specific structural and functional details disclosed herein are merely representative and are for the purpose of describing exemplary embodiments of the present application. The present application, however, may be embodied in many alternative forms and should not be construed as being limited to the embodiments set forth herein.

In the description of the present application, it is to be understood that the terms "center", "lateral", "upper", "lower", "left", "right", "vertical", "horizontal", "top", The orientation or positional relationship of the "bottom", "inside", "outside" and the like is based on the orientation or positional relationship shown in the drawings, and is merely for convenience of description of the present application and simplified description, and does not indicate or imply the indicated device. The components or components must have a particular orientation, are constructed and operated in a particular orientation, and are therefore not to be construed as limiting. Moreover, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, features defining "first" and "second" may include one or more of the features either explicitly or implicitly. In the description of the present application, "a plurality" means two or more unless otherwise stated. In addition, the term "comprises" and its variations are intended to cover a non-exclusive inclusion.

In the description of the present application, it should be noted that the terms "installation", "connected", and "connected" are to be understood broadly, and may be fixed or detachable, for example, unless otherwise specifically defined and defined. Connection, or integral connection; may be mechanical connection or electrical connection; may be directly connected, or may be indirectly connected through an intermediate medium, and may be internal communication between the two components. For skills The specific meaning of the above terms in this application can be understood by a person of ordinary skill in the art.

The terminology used herein is for the purpose of describing the particular embodiments, The singular forms "a", "an", It is also to be understood that the terms "comprising" and """ Other features, integers, steps, operations, units, components, and/or combinations thereof.

Hereinafter, a liquid crystal display device according to an embodiment of the present application will be described with reference to the related drawings, in which the same elements will be described with the same reference numerals.

FIG. 1 is a schematic diagram of a liquid crystal display device 2 according to an embodiment of the present application. As shown in FIG. 1 , the liquid crystal display device 2 of the present embodiment includes a first substrate 21 , a first vertical alignment layer 22 , a second substrate 23 , a second vertical alignment layer 24 , and a liquid crystal layer 25 .

The liquid crystal display device 2 of the present embodiment is exemplified by a liquid crystal display panel using a multi-domain vertical alignment (MVA) technology, and the liquid crystal of the liquid crystal layer 25 is an n-type liquid crystal, that is, has a negative dielectric constant. The directional liquid crystal is taken as an example, but the application is not limited to this application.

The first substrate 21 and the second substrate 23 are disposed opposite to each other, and the liquid crystal layer 25 is disposed between the first substrate 21 and the second substrate 23. In the present embodiment, the first substrate 21 is exemplified by a color filter substrate (CF substrate), and the second substrate 23 is exemplified by a TFT substrate.

The first substrate 21 includes, for example, a glass substrate, a color filter layer, and a black matrix layer. Since these members are known to those skilled in the art and are not the focus of the present application, they will not be described again. A polarizing layer P1 is further disposed on a side of the first substrate 21 facing away from the liquid crystal layer 25, and a common electrode layer 28 is further disposed on a side of the first substrate 21 facing the liquid crystal layer 25, and the first vertical alignment layer 22 is disposed on the common electrode. The layer 28 is facing the liquid crystal layer 25.

The second substrate 23 includes, for example, a glass substrate and a thin film transistor matrix, and since these components are known to those skilled in the art and are not the focus of the present application, they will not be described again. The second substrate 22 is further provided with a polarizing layer P2 on one side of the liquid crystal layer 25, and a pixel electrode layer 29 is disposed on one side of the second substrate 23 facing the liquid crystal layer 25, and the second vertical alignment layer 24 is disposed on the pixel electrode. The layer 29 is facing the liquid crystal layer 25.

By the action of the electric fields between the two polarizing layers P1 and P2 and the pixel electrode layer 29 and the common electrode layer 28, the liquid crystal molecules corresponding to the respective pixels can be deflected and the color light can be displayed to form an image. It should be noted that although the common electrode layer 28 and the pixel electrode layer 29 of FIG. 1 are represented by one layer, the prior art is known. It is understood that the common electrode layer 28 and the pixel electrode layer 29 can be patterned electrode layers. In addition, the first substrate 21 and the second substrate 23 may further include other members such as an insulating layer, an electrode for storing a capacitor, a planarization layer, and the like, which may be added by a person skilled in the art depending on the application requirements.

The liquid crystal display device 2 of the present embodiment further includes a first alignment control structure 26 and a second alignment control structure 27. 2 is a side elevational view of the liquid crystal display device 2 of the present embodiment, showing the tilting of liquid crystal molecules through the first alignment control structure 26 and the second alignment control structure 27. For clarity of illustration, FIG. 2 only shows the substrate, alignment control structure, and liquid crystal molecules. As shown in FIG. 2 , the first alignment control structure 26 is disposed on the first substrate 21 and disposed toward the liquid crystal layer 25 , and the second alignment control structure 27 is disposed on the second substrate 23 and disposed toward the liquid crystal layer 25 . The alignment control structure of this embodiment is exemplified by a convex body, but it may also be a void or a combination of a convex body and a void.

As shown in FIG. 2, the liquid crystal molecules 251 form a perpendicular relationship with the first alignment control structure 26 and the second alignment control structure 27, so that the liquid crystal molecules 251 in the vicinity of the first alignment control structure 26 and the second alignment control structure 27 are formed. It is at an angle to the vertical direction of the first substrate 21 (or the second substrate 23). When no electric field is applied, the liquid crystal molecules 251 between the first alignment control structure 26 and the second alignment control structure 27 are parallel to the vertical direction of the first substrate 21 (or the second substrate 23), and when an electric field is applied, The liquid crystal molecules 251 are affected by the pretilt liquid crystal molecules to determine their tilting direction, thus dividing the single pixel into a plurality of regions, and also accelerating the reaction rate of the liquid crystal molecules.

FIG. 3 is a schematic diagram of a single pixel P of the liquid crystal display device 2 according to an embodiment of the present application. As shown in FIG. 3, a single pixel P is defined by an adjacent data line DL and an adjacent scan line SL, and includes a pixel electrode TFT 291 and a pixel electrode portion 291 of a pixel electrode layer 29, wherein the scan line SL is connected to the thin film transistor TFT. The gate electrode, the data line DL is connected to the source of the thin film transistor TFT, and the drain of the thin film transistor TFT is connected to the pixel electrode portion 291. Since the driving method of the pixel can be known by a person skilled in the art and is not the focus of the present application, it will not be described again.

As shown in FIG. 3, the first alignment control structure 26 of the present embodiment is horizontally disposed, for example, in the middle of the pixel electrode portion 291, and is parallel to the scanning line SL. The second alignment control structure 27 of the present embodiment is disposed, for example, overlapping with the adjacent scanning lines SL. The first alignment control structure 26 and the second alignment control structure 27 are exemplified by a line shape, but may be, for example, curved or otherwise shaped in other embodiments. In the single pixel P of the embodiment, a first alignment control structure 26 and two second alignment control structures 27 are taken as an example, but in other embodiments, other numbers may be configured, for example, two first alignment control. Structure 26 and two The second alignment control structure 27.

4 is a schematic diagram of the first alignment control structure 26 and the second alignment control structure 27 according to another embodiment of the present application, which is viewed in the vertical direction of the first substrate 21 (or the second substrate 23). In the present embodiment, the first alignment control structure 26 and the second alignment control structure 27 are alternately arranged and have a curved shape. The first alignment control structure 26 and the second alignment control structure 27 are parallel to each other. With this arrangement, the

liquid crystal molecules

251a, 251b are rotated by 90 degrees with respect to the

liquid crystal molecules

251c, 251d. In this way, the same pixel will produce at least four regions of different liquid crystal alignment, thereby further achieving the effect of wide viewing angle. It should be noted that the number of the first alignment control structure 26 and the second alignment control structure 27 shown in FIG. 4 can be applied to a single pixel or a plurality of pixels. Through the alternating and curved design of the first alignment control structure 26 and the second alignment control structure 27, the liquid crystal molecules can be multi-faced pretilted.

The alignment control structure of the present embodiment may be a convex body, or a void, or a combination of a convex body and an aperture, which will be exemplified below with reference to FIGS. 5 and 6.

FIG. 5 is a schematic diagram of a second alignment control structure 27 (or a first alignment control structure 26) according to an embodiment of the present application, wherein the second alignment control structure 27 is exemplified by a convex body. The second substrate 23 is provided with a pixel electrode layer 29, the second alignment control structure 27 is disposed on the pixel electrode layer 29, and the second vertical alignment layer 24 is disposed on the pixel electrode layer 29 and the second alignment control structure 27.

6 is a schematic diagram of a first alignment control structure 26 (or a second alignment control structure 27) according to an embodiment of the present application, wherein the first alignment control structure 26 takes an aperture as an example. A common electrode layer 28 is disposed on the first substrate 21, and the common electrode layer 28 is patterned to form a pore structure as the first alignment control structure 26. The first vertical alignment layer 22 is disposed on the common electrode layer 28 and the pore structure.

7 to 9 are schematic views of the first alignment control structure 26 and the second alignment control structure 27 according to an embodiment of the present application, which are viewed in the vertical direction of the first substrate 21.

As shown in FIG. 7, the solid line represents the first alignment control structure 26. The dashed line represents the second alignment control structure 27. The first alignment control structure 26 includes a plurality of hexagonal units 261, and the second alignment control structure 27 includes a plurality of hexagonal units 271. The hexagonal unit 261 of the first alignment control structure 26 or the hexagonal unit 271 of the second alignment control structure 27 in the same pixel is connected to at least a part of each other (at least a part of which is not connected), and is connected to each other as an example in the present embodiment. And not connected, for example, means that there is an interval between adjacent two sides of the adjacent hexagonal unit 271. As shown in FIG. 7, the hexagonal unit 261 of the first alignment control structure 26 of the present embodiment is completely overlapped with the hexagonal unit 271 of the second alignment control structure 27 as viewed in the vertical direction of the first substrate 21. Six of a matching control structure 26 The corner unit 261 and the hexagonal unit 271 of the second alignment control structure 27 are equidistantly disposed. In other embodiments, the hexagonal unit 261 of the first alignment control structure 26 and the hexagonal unit 271 of the second alignment control structure 27 may be partially overlapping or at least partially non-overlapping.

In addition, the

hexagonal units

261 and 271 may not be equally arranged, and will be exemplified below with reference to FIGS. 8 and 9.

As shown in FIG. 8, the hexagonal unit 261 of the first alignment control structure 26 in the same pixel and the hexagonal unit 271 of the second alignment control structure 27 are one phase apart on the left and right sides as viewed in the vertical direction of the first substrate 21. Misplaced. In the present embodiment, one phase is equivalent to one side length of the

hexagonal unit

261 or 271.

As shown in FIG. 9, the hexagonal unit 261 of the first alignment control structure 26 and the hexagonal unit 271 of the second alignment control structure 27 in the same pixel are two-dimensionally different in the vertical direction as viewed in the vertical direction of the first substrate 21. One phase and misaligned.

In other embodiments, the

hex cells

261 and 271 may be misaligned in different directions with different phase differences depending on the requirements.

In addition, for the same

hexagonal unit

261 or 271, the portion may be a convex structure and the other portion may be a pore structure.

The liquid crystal display device of the present embodiment can control the tilting direction of the liquid crystal molecules during energization by using the alignment control structure of the hexagonal unit (hexagonal structure or honeycomb shape) in which the alignment and the misalignment are simultaneously disposed on the upper and lower substrates, so as to reduce the occurrence of different penetrations. Rate the area and reduce the boundary movement of these areas to improve screen brightness and achieve faster response times.

FIG. 10 is a schematic diagram of the first alignment control structure 26 and the second alignment control structure 27 according to another embodiment of the present application, which is viewed in the vertical direction of the first substrate 21.

As shown in FIG. 10, the solid line represents the first alignment control structure 26 and the broken line represents the second alignment control structure 27. The first alignment control structure 26 includes a plurality of first geometric units 262 and the second alignment control structure 27 includes a plurality of second geometric units 272. In this embodiment, the first geometric unit 262 is a hexagon (or a honeycomb), and the second geometric unit 272 is a triangle. However, in other embodiments, the first geometric unit 262 and the second geometric unit 272 are respectively Different shapes. The first geometric unit 262 of the first alignment control structure 26 or the second geometric unit 272 of the second alignment control structure 27 within the same pixel are connected to each other at least in part (at least a portion is not connected), in this embodiment, connected to each other For example, the description does not mean that there is an interval between adjacent two sides of the adjacent first geometric unit 262.

As shown in FIG. 10, the first geometric unit 262 of the first alignment control structure 26 of the present embodiment is completely overlapped with the second geometric unit 272 of the second alignment control structure 27 as viewed in the vertical direction of the first substrate 21. The definition of such an overlap here is equivalent to the first geometric unit 262 and the second geometric unit 272 being equipotentially set. In other embodiments, the first geometric unit 262 and the second geometric unit 272 may be partially overlapping or at least partially non-overlapping. For example, the first geometric unit 262 and the second geometric unit 272 in the same pixel are offset by one phase in the left-right direction or by half phase in the up-and-down direction, and one phase is, for example, defined as the first geometric unit 262 or the second. One side of geometry unit 272 is long. In other embodiments, the first geometric unit 262 and the second geometric unit 272 may be misaligned in different directions with different phase differences depending on the requirements. In addition, for the same first geometric unit 262 or second geometric unit 272, the portion may be a convex structure and the other portion may be a pore structure.

11 is a schematic illustration of the geometric features of the first geometry unit 262 and the second geometry unit 272 of FIG. As shown in FIG. 11, in the present embodiment, the first geometric unit 262 is hexagonal, the second geometric unit 272 is triangular, and the first geometric unit 262 is concentric with the circumcircle of the second geometric unit 272, or has The same circumscribed circle.

The liquid crystal display device of the present embodiment utilizes an alignment control structure of the first geometric unit and the second geometric unit that are simultaneously aligned or misaligned on the upper and lower substrates, and the first geometric unit is different from the second geometric unit, and the liquid crystal molecules can be controlled to be energized. The direction of the dumping to reduce areas where different penetration rates occur and to reduce the boundary movement of these areas to improve screen brightness and achieve faster response times.

12 to FIG. 14 are schematic diagrams of the first alignment control structure 26 and the second alignment control structure 27 according to still another embodiment of the present application, which are viewed in the vertical direction of the first substrate 21.

As shown in FIG. 12, the solid line represents the first alignment control structure 26. The dashed line represents the second alignment control structure 27. The first alignment control structure 26 includes a plurality of first waveform units 263, and the second alignment control structure 27 includes a plurality of second waveform units 273. In the embodiment, the first waveform unit 263 is a sinusoidal waveform, and the second waveform unit 273 is a cosine waveform. However, in other embodiments, the first waveform unit 263 and the second waveform unit 273 may be other waveforms. In addition, the intersection or intersection of the sinusoidal waveform structure and the cosine waveform structure is an interval 201 (or a breakpoint). In the present embodiment, one of the first waveform units 263 and the corresponding second waveform unit 273 form a column, and the first waveform unit 263 and the same column in the same pixel are viewed in the vertical direction of the first substrate 21. The second waveform unit 273 is equipotentially set, and the first waveform unit 263 of the adjacent column is equipotentially set.

In addition, in other embodiments, the first waveform unit 263 and the second waveform unit 273 of the same column may be misaligned, and the first waveform unit 263 (or the second waveform unit 273) of the adjacent column may also be misaligned.

As shown in FIG. 13, the first waveform unit 263 and the second waveform unit 273 of the same column in the same pixel are equidistantly arranged in the vertical direction of the first substrate 21, and the first waveform unit 263 in the adjacent column is It has a quarter phase difference and a misalignment setting.

As shown in FIG. 14, the first waveform unit 263 and the second waveform unit 273 of the same column in the same pixel are equidistantly viewed in the vertical direction of the first substrate 21, and the first waveform unit 263 in the adjacent column is It has a phase difference of one-half and a misalignment setting.

In other embodiments, the first waveform unit 263 and the second waveform unit 273 may be misaligned by a phase difference of different values as needed.

In addition, for the same first waveform unit 263 or second waveform unit 273, it may be partially convex and the other is a pore structure.

In the liquid crystal display device of the present embodiment, the alignment control structure of the first waveform unit and the second waveform unit that are aligned or dislocated at the same time on the upper and lower substrates is used, and the first waveform unit and the second waveform unit are different from each other, and the liquid crystal molecules can be controlled. The direction of the tilt when energized to reduce areas where different transmittances occur and to reduce the boundary movement of these areas to improve screen brightness and achieve faster response times.

The above content is a further detailed description of the present application in conjunction with the specific embodiments, and the specific implementation of the present application is not limited to the description. It will be apparent to those skilled in the art that the present invention can be made in the form of the present invention without departing from the scope of the present invention.

Claims

A liquid crystal display device comprising:

a first substrate;

a first vertical alignment layer disposed on the first substrate;

a second substrate disposed opposite to the first substrate;

a second vertical alignment layer disposed on the second substrate and facing the first vertical alignment layer;

a liquid crystal layer having a negative dielectric anisotropy and disposed between the first vertical alignment layer and the second vertical alignment layer;

a plurality of first alignment control structures disposed on the first substrate and disposed toward the liquid crystal layer, each of the first alignment control structures including a plurality of hexagonal units;

A plurality of second alignment control structures are disposed on the second substrate and disposed toward the liquid crystal layer, and each of the second alignment control structures includes a plurality of hexagonal units.
A liquid crystal display device according to claim 1, wherein each of said first alignment control structure or/and each of said second alignment control structures is a convex body, or an aperture or a combination thereof.
A liquid crystal display device according to claim 1, wherein each of said first alignment control structures or/and each of said second alignment control structures is linear or curved as viewed in a vertical direction of said first substrate.
A liquid crystal display device according to claim 1, wherein at least one of said one of said first alignment control structure and said second alignment control structure is at least partially viewed in a direction perpendicular to said first substrate Overlapping each other.
A liquid crystal display device according to claim 1, wherein said first alignment control structure and said second alignment control structure are alternately arranged and curved.
The liquid crystal display device of claim 1, wherein the hexagonal unit of the first alignment control structure and the second alignment control structure in the same pixel are viewed in a vertical direction of the first substrate The hexagonal unit is an equipotential setting.
The liquid crystal display device of claim 1, wherein the hexagonal unit of the first alignment control structure and the second alignment control structure in the same pixel are viewed in a vertical direction of the first substrate The hexagonal cells are arranged one-half of the phase in the up and down direction and are misaligned.
The liquid crystal display device of claim 1, wherein the hexagonal unit and the second alignment of the first alignment control structure in the same pixel are viewed in a vertical direction of the first substrate The hexagonal units of the control structure are arranged one phase apart on the left and right sides and are misaligned.
A liquid crystal display device according to claim 1, wherein at least one of said first alignment control structure and at least one of said second alignment control structures are provided in the same pixel.
A liquid crystal display device according to claim 1, wherein said hexagonal unit of said first alignment control structure or said hexagonal unit of said second alignment control structure in the same pixel is connected to at least a portion of each other.
A liquid crystal display device comprising:

a first substrate having a common electrode layer;

a first vertical alignment layer disposed on the common electrode layer and the first substrate;

a second substrate having a pixel electrode layer, the second substrate being disposed opposite to the first substrate;

a second vertical alignment layer disposed on the pixel electrode layer and the second substrate and facing the first vertical alignment layer;

a liquid crystal layer disposed between the first vertical alignment layer and the second vertical alignment layer;

a plurality of first alignment control structures disposed on the first substrate and disposed toward the liquid crystal layer, each of the first alignment control structures including a plurality of hexagonal units;

a plurality of second alignment control structures disposed on the second substrate and disposed toward the liquid crystal layer, each of the second alignment control structures including a plurality of hexagonal units;

The liquid crystal molecules in the vicinity of the first alignment control structure and the second alignment control structure of the liquid crystal layer are at an angle to a vertical direction of the first substrate or the second substrate.
A liquid crystal display device according to claim 11, wherein each of said first alignment control structure or/and each of said second alignment control structures is a convex body, or an aperture or a combination thereof.
The liquid crystal display device according to claim 11, wherein a side of the first substrate opposite to the liquid crystal layer is further provided with a polarizing layer.
A liquid crystal display device according to claim 11, wherein said second substrate is further provided with a polarizing layer on one side of said liquid crystal layer.
A liquid crystal display device according to claim 11, wherein at least one of said one of said first alignment control structure and said second alignment control structure is at least partially viewed in a direction perpendicular to said first substrate Overlapping each other.
A liquid crystal display device according to claim 11, wherein said first alignment control structure and The second alignment control structures are alternately arranged and curved.
A liquid crystal display device comprising:

a first substrate;

a second substrate disposed opposite to the first substrate;

a liquid crystal layer disposed between the first substrate and the second substrate;

a plurality of first alignment control structures disposed on the first substrate and disposed toward the liquid crystal layer, each of the first alignment control structures including a plurality of hexagonal units;

A plurality of second alignment control structures are disposed on the second substrate and disposed toward the liquid crystal layer, and each of the second alignment control structures includes a plurality of hexagonal units.
A liquid crystal display device according to claim 17, wherein each of said first alignment control structure or/and each of said second alignment control structures is a convex body, or an aperture or a combination thereof.
A liquid crystal display device according to claim 17, further comprising

a first vertical alignment layer disposed on the first substrate;

a second vertical alignment layer disposed on the second substrate and facing the first vertical alignment layer.
The liquid crystal display device of claim 17, wherein the liquid crystal layer is perpendicular to the first substrate or the second substrate in the vicinity of the first alignment control structure and the second alignment control structure The direction is at an angle.