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81results about How to "Reduce dark state light leakage" patented technology

Liquid crystal display device

The invention provides a liquid crystal display device which has blue phase liquid crystal. The liquid crystal display device comprises a plurality of electrodes. In the invention, at least one pair of electrodes is arranged on one side of the blue phase liquid crystal to supply a transverse electric field to drive the macromolecular stabilized positive type blue phase liquid crystal for increasing the penetration rate of the light and controlling the bright state of the liquid crystal display device; and at least one pair of electrodes are arranged on the opposite sides of the blue phase crystal liquid to supply a vertical electric field, so the macromolecular stabilized positive type blue phase liquid crystal has excellent optical isotropy in a dark state and light leak in the dark state is reduced.
Owner:AU OPTRONICS CORP

Liquid crystal display device and manufacturing method thereof

The invention discloses a liquid crystal display device and a manufacturing method thereof. The liquid crystal display device comprises a first substrate and a second substrate opposite to the first substrate. A nematic liquid crystal layer is arranged between the first substrate and the second substrate. The nematic liquid crystal layer comprises nematic liquid crystals and a polymer network. According to the liquid crystal display device, the nematic liquid crystal layer is arranged between the first substrate and the second substrate and comprises the nematic liquid crystals and the polymer network, the polymer network is formed by illumination and polymerization of functional monomers in a nematic liquid crystal mixture, the polymer network can reduce the scattering phenomenon caused when refractive indexes of the liquid crystals and polymers are not matched, the dark state light leakage phenomenon is greatly reduced, and therefore the contrast ratio is improved; meanwhile, no polymer protrusions are arranged on an alignment layer, dark state light leakage caused by polymer protrusions is avoided, and therefore the contrast ratio is improved.
Owner:BOE TECH GRP CO LTD

Liquid crystal display panel

The invention exposes an LCD panel, which includes a bottom substrate, a number of wires installed on the bottom substrate, a number of pixel unit electrical connecting the wires, a top substrate relatively setting with the bottom substrate, a liquid crystal layer installed between the top substrate and the bottom substrate, and at least one allocation protuberance installed on the top substrate and relative to the surface of the bottom substrate, and corresponding to the wires above between the adjacent pixel units. Among them, each pixel unit contains a thin film transistor installed on the bottom substrate and a pixel electrode installed on the bottom substrate, and electrical connecting the thin film transistor, and the pixel electrode has a number of main slits.
Owner:AU OPTRONICS CORP

Optical compensator for liquid crystal display

Embodiments of an optical compensator for a liquid crystal display is disclosed. One embodiment of the optical compensator includes an A-plate and a C-plate wherein: the retardation of the A-plate satisfies the following formula: 0.644<R0(450) / R0(550)<1 the retardation of the C-plate satisfies the following formula: 1<Rth(450) / Rth(550)<1.35 where R0(450) and R0(550) represent the retardation of the A-plate at wavelengths of 450 nm and 550 nm, respectively, and Rth(450) and Rth(550) are the values calculated by Rth=[[nx+ny] / 2−nz]×d (where nx, ny and nz represent the three-dimensional refractive indexes of the C-plate as the refractive indexes in the direction of the x-axis, y-axis and z-axis, respectively, and d represents the thickness of the C-plate) for the C-plate at a wavelength of 450 nm and 550 nm, respectively. Other embodiments are also included.
Owner:INNOLUX CORP

Color filter sheet, manufacturing method for color filter sheet and liquid crystal display device

The invention provides a color filter sheet. The color filter sheet comprises a transparent substrate, a black matrix layer and a color filter film layer. The black matrix layer is disposed on the transparent substrate, the thickness of the black matrix layer is smaller than or equal to 0.7 microns, the black matrix layer comprises a first shading layer and a second shading layer. The second shading layer is disposed on the first shading layer and is a black metal layer, and the color filter film layer is disposed on the transparent substrate and the second shading layer of the black matrix layer. The light density of the black matrix layer of the color filter sheet is high, the layer thickness is small, the angle segment difference of the color filter film layer is reduced effectively, the poor dark-state light leakage of the liquid crystal display device is reduced, and the liquid crystal display device display quality is improved. The invention further relates to a manufacturing method for the color filter sheet and a liquid crystal display device comprising the color filter sheet.
Owner:KUSN INFOVISION OPTOELECTRONICS

Liquid crystal display panel

The invention provides a liquid crystal display panel, belongs to the technical field of liquid crystal display and aims at solving the problem that the existing liquid crystal display panel has relatively serious light leakage in a dark state. The liquid crystal display panel provided by the invention comprises a first base plate and a second base plate which are opposite to each other, as well as a liquid crystal clamped between the first base plate and the second base plate, wherein each of the first base plate and the second base plate comprises a base, each base comprises glass, and the maximum stress in the glass of each base is not more than 0.4MPa.
Owner:BOE TECH GRP CO LTD

Liquid crystal display and optical compensation method thereof

The invention discloses a liquid crystal display and an optical compensation method thereof. The liquid crystal display and the optical compensation method thereof aim at compensating a liquid crystal display with a uniaxial positive birefringence A-plate and a uniaxial negative birefringence C-Plate, specifically aim at changing compensation values of the uniaxial positive birefringence A-plate and the uniaxial negative birefringence C-Plate, and particularly aim at controlling a value range of the compensation value Rth of the uniaxial negative birefringence C-Plate. By weakening dark state light leakage phenomenon by adjusting the compensation values of the two plates, an embodiment of the liquid crystal display and the optical compensation method thereof can effectively weaken the dark state light leakage phenomenon at large viewing angles, and contrast ratio and definition of the large viewing angles are increased.
Owner:TCL CHINA STAR OPTOELECTRONICS TECH CO LTD

Pixel structure and display panel

A pixel structure includes a substrate, an opposite substrate, a scan line and a data line, an active device, a pixel electrode, and a passivation layer. The pixel electrode has at least one block-shaped electrode and a plurality of first branch electrodes. The passivation layer has at least one block-shaped protrusion pattern, a plurality of branch protrusion patterns, and a plurality of grooves. The first branch electrodes are located on the block-shaped protrusion patterns. An Edge of the block-shaped electrodes further extends to the block-shaped protrusion patterns. An orthogonal projection gap W1 is between an orthogonal projection edge of the block-shaped electrode and an orthogonal projection edge of the nearest first branch electrode, and 0 μm<W1≦5 μm. An orthogonal projection distance W2 is between the orthogonal projection edge of the block-shaped electrode and an orthogonal projection edge of the block-shaped protrusion pattern, and 0 μm<W2≦10 μm.
Owner:AU OPTRONICS CORP

Curved surface display panel and display device

The embodiment of the invention discloses a curved surface display panel and a display device. The curved surface display panel comprises an array substrate, an opposite substrate and a plurality of floating spacers positioned in a non-display region; a height of each floating spacer is smaller than a box thickness between the array substrate and the opposite substrate; at a position of at least one floating spacer at side edges adjacent to bent side edges of the array substrate and the opposite substrate, a frame sealing glue structure positioned between the array substrate and the opposite substrate is cushioned; the sum of a thickness of the frame sealing glue structure and a thickness of the floating spacer in contact with the frame sealing glue structure is equal to the box thickness. Therefore, a stress of the array substrate and the opposite substrate, which is generated due to resistance to acting forces of the floating spacers and the frame sealing glue structure, is increased, and part of a stress generated due to bending can be balanced out, so that a combined stress is reduced and deflection of an optical axis is reduced, thereby reducing dark-state light leakage and improving image display quantity of the curved surface display panel.
Owner:BOE TECH GRP CO LTD

Double-layer double-shaft compensation structure for LCD panel and LCD device

The invention discloses a double-layer double-shaft compensation structure for an LCD panel. The double-layer double-shaft compensation structure for the LCD panel comprises a first polarizing film, a first double-shaft compensation film, the LCD panel, a second double-shaft compensation film and a second polarizing film which are sequentially laminated. The LCD panel is provided with a liquid crystal layer comprising a plurality of liquid crystal molecules, the anisotropy of the refractive index of the liquid crystal layer is delta n, the thickness of the liquid crystal layer is d, and the pretilt angle of the liquid crystal molecules is theta. The compensation value inside the face of the first double-shaft compensation film is Ro1, the compensation value of the thickness of the first double-shaft compensation film is Rth1, the compensation value inside the face of the second polarizing film is Ro2, the compensation value of the thickness of the second polarizing film is Rth2, wherein 287.3 nm<=delta n*d<=305.7 nm; 85 degrees<=theta<90 degrees; 8 nm<=Ro1<=98 nm; 19 nm<=Rth1<=224 nm; 8.4 nm<=Ro2<=98 nm; Y1 nm<=Rth2<=Y2 nm; Y1=0.003115*(Rth1)2-1.6791*Rth1+231.67; Y2=-0.002225*(Rth1)2-0.37474*Rth1+241.7. The invention further discloses an LCD device which comprises the LCD panel in which the double-layer double-shaft compensation structure is used for compensating.
Owner:TCL CHINA STAR OPTOELECTRONICS TECH CO LTD

Liquid crystal display device with switchable visual angle

The invention provides a liquid crystal display device with a switchable visual angle. The liquid crystal display device comprises a first base plate, a second base plate and a liquid crystal layer arranged between the first and second base plates; a first electrode is placed on the first base plate; the second base plate is opposite to the first base plate; the second base plate is provided with a second electrode and a third electrode; liquid crystal molecules in the liquid crystal layer is negative liquid crystal; and a first primary inclined angle of the liquid crystal molecules of the liquid crystal and adjacent to the first base plate has the opposite direction and equal size as a second primary inclined angle of the liquid crystal molecules of the liquid crystal and adjacent to the second base plate. Without an increase of thickness and cost of the liquid crystal display device, switch between the wide visual angle and the narrow visual angle can be achieved; and convenient operation and great flexibility can be realized.
Owner:KUSN INFOVISION OPTOELECTRONICS

Liquid crystal display panel and liquid crystal display

The invention relates to a liquid crystal display panel and a liquid crystal display. The liquid crystal display panel includes a first polarizing layer and a second polarizing layer which are disposed opposite to each other, a vertical alignment liquid crystal box disposed between the first polarizing layer and the second polarizing layer, and a double-optical axis compensation film. According tothe liquid crystal display panel and the liquid crystal display, the double-optical axis compensation film is used to compensate for the leakage of side view light, so that the contrast of the side view of the liquid crystal panel is maintained, the thickness of a polarizer is reduced, and at the same time, the effect of reducing warping during the preparation of the liquid crystal panel is achieved.
Owner:HUIZHOU CHINA STAR OPTOELECTRONICS TECHNOLOGY CO LTD

In-plane switching liquid crystal display and manufacturing method thereof

The invention provides an in-plane switching liquid crystal display and a manufacturing method thereof, relates to the field of liquid crystal panel manufacture, and aims to solve the problem of low contrast caused by dark state light leakage in an FFS (Fringe Field Switching) electrode structure. The in-plane switching liquid crystal display comprises a color film substrate and a TFT (Thin Film Transistor) array substrate which are formed in an oppositely-folded manner, wherein liquid crystals are arranged between the color film substrate and the TFT array substrate; the TFT array substrate comprises a common electrode layer and a pixel electrode layer; and when the liquid crystals are not powered on, the liquid crystals are oriented vertically to the color film substrate and the TFT array substrate. The manufacturing method disclosed by the embodiment of the invention is used for manufacturing the liquid crystal display.
Owner:BOE TECH GRP CO LTD

Liquid crystal display

An LCD display includes: backlight, the first polarizer that is installed at the top backlight, the first transparent substrate that is installed at the top of the first polarizer, collector array that is installed at the surface of the first transparent substrate polarizer and adjacent to the first polarizer, and each collector array includes: a first refractive block and a number of second high refractive blocks that is located on two sides of the first block, and the two second blocks in the symmetry position have the same width. There is a low refractive block between one first and one second high refractive block, and the width of the first is greater than the second. The second transparent substrate is installed on the top of the first one and has the transparent area that is allocated corresponding to collector array. The LCD layer is located between the first and second transparent substrate. A second polarizer is installed at the top of the second transparent substrate. The invention can effectively lower the leaky light phenomenon when dark.
Owner:AU OPTRONICS CORP

Vertical alignment (VA) display mode compensation framework and VA display mode liquid crystal display device

The invention relates to a VA display mode compensation framework and a VA display mode liquid crystal display device. The VA display mode compensation framework comprises a first triacetyl cellulose (TAC) layer, a first polarization layer, a dual-axis compensation film, a vertical alignment liquid crystal cell, a second TAC layer, a second polarization layer and a third TAC layer which are arranged sequentially from top to bottom, the horizontal view angle zero-degree direction of the vertical alignment liquid crystal cell (that is, a VA liquid crystal display) serves as the reference, an absorbing axis of the first polarization layer is at an angle of 0 degree, a slow axis of the dual-axis compensation film is at an angle of 90 degrees, a slow axis of the second TAC layer is at an angle of 0 degree, and an absorbing axis of the second polarization layer is at an angle of 90 degrees. By the aid of the VA display mode compensation framework and the VA display mode liquid crystal display device, view angles which are severe in dark state light leakage are deflected towards a vertical view angle, the contrast ratio and the definition of the horizontal view angle are improved, and the ideal dark state light leakage effect can be achieved through ideal matching of compensation values of a single layer of the dual-axis compensation film and compensation values of TAC layers.
Owner:SHENZHEN CHINA STAR OPTOELECTRONICS TECH CO LTD

Liquid crystal display device with optical compensation

The invention discloses a LCD of optical compensation, which comprises the following parts: first base plate, second base plate, liquid crystal layer, the first-phase compensating plate, second-phase compensation plate, optical compensation film, first polarizing plate and second polarizing plate, wherein the liquid crystal array pattern of liquid crystal layer displays optical compensation bent pattern; the first-phase compensating plate is set on the exterior of the first base plate; the second-phase compensation plate is set on the exterior of second base plate; multilayer non-cylinder liquid crystal is contained in the first-phase compensation plate and second-phase compensation plate, which reduces the dark mesh-light of liquid crystal layer; the optical compensation film adapts the single-axle extension delaying-piece on the exterior of the first-phase compensation plate, which reduces the incidence mesh-light of two pieces of orthogonal polarizing plate. The invention improves the LCD comparison and aspect angle effectively.
Owner:CHUNGHWA PICTURE TUBES LTD

Curved display panel and display apparatus containing the same

ActiveUS20170102568A1Reduce dark state light leakageFirst curvature can be reducedNon-linear opticsYoung's modulusSealant
The present disclosure provides a curved display panel. The curved display panel includes two substrates each having a first curvature, each of the two substrates including two first side regions with the first curvature and two second side regions; a sealant for bonding the two substrates together, the sealant having a first sealant portion configured to seal the first side regions and a second sealant portion configured to seal the second side regions, wherein a Young's modulus of the first sealant is less than a Young's modulus of the second sealant.
Owner:BOE TECH GRP CO LTD

Liquid crystal display

The invention is a high-brightness LCD, comprising in order: backlight module, high molecular film layer and LCD panel, where the high molecular film layer has multiple high-refractivity regions and multiple low-refractivity regions, staggered mutually; the LCD panel has multiple light transmitting regions located over the high-refractivity regions; when light penetrates through the high-refractivity regions to interfaces between high-refractivity and low-refractivity regions, reflection phenomena will occur on the interfaces so as to reflect the light into the light transmitting regions.
Owner:AU OPTRONICS CORP

Liquid Crystal Display Device and Method of Manufacturing the Same

This invention discloses a liquid crystal display (LCD) device and a method of manufacturing the same. The LCD device comprises a first substrate and a second substrate opposing each other, and a nematic liquid crystal layer disposed therebetween and comprising a nematic liquid crystal and a polymer network. The polymer network is formed by irradiation polymerization of a functional monomer in a nematic liquid crystal mixture. The polymer network can reduce the scattering phenomena caused by the refractive index mismatch between liquid crystal and polymer in the prior LCD devices and significantly reduce the dark-state light leakage, so that the contrast is improved. Moreover, since there is no polymer projection disposed on the alignment layer according to the invention, the dark-state light leakage caused by polymer projections is avoided and thus the contrast is further improved.
Owner:BOE TECH GRP CO LTD +1

Compensation system and liquid crystal display device for liquid crystal panel

ActiveCN103033986AReduce dark state light leakageIncreased visual field of viewNon-linear opticsDual axisDark state
The invention provides a compensation system and a liquid crystal display device for a liquid crystal panel. The compensation system comprises a first biaxial compensation film and a second biaxial compensation film which are arranged on the two sides of the liquid crystal panel. The in-plane compensation values of the first biaxial compensation film and the second biaxial compensation film aiming at incident light with a wavelength of 550 nm are Ro1 and Ro2 respectively, and the thickness direction compensation values are Rth1 and Rth2 respectively, wherein the Ro1 is larger than or equal to 15 nm and is smaller than or equal to 94 nm; the Rth1 is larger than or equal to 35 nm and is smaller than or equal to 214 nm; the Ro2 is larger than or equal to 14 nm and is smaller than or equal to 101 nm; the Rth2 is larger than or equal to Y1 and is smaller than or equal to Y2; the Y1 is equal to 0.004302*Rth12-1.96894*Rth1+259.7; and the Y2 is equal to -0.00234308*Rth12-0.32227*Rth1+245. In such a manner, through reasonable arrangement of the compensation values of the biaxial compensation films, the dark state light leakage phenomenon of the liquid crystal panel can be effectively reduced.
Owner:TCL CHINA STAR OPTOELECTRONICS TECH CO LTD

Compensation system for liquid crystal panel and liquid crystal display device

The invention provides a compensation system for a liquid crystal panel and a liquid crystal display device. The compensation system comprises a first biaxial compensation film and a second biaxial compensation film arranged at the two sides of the liquid crystal panel. The first biaxial compensation film has an in-plane compensation value Ro1 for incident light having the wavelength of 550 nm and a compensation value Rth1 in the thickness direction; and the second biaxial compensation film has an in-plane compensation value Ro2 for the incident light having the wavelength of 550 nm and a compensation value Rth2 in the thickness direction, wherein Ro1 is greater than or equal to 35 nm and less than or equal to 87.5 nm; Rth1 is greater than or equal to 80 nm and less than or equal to 200 nm; Ro2 is greater than or equal to 28 nm and less than or equal to 89.6 nm; Rth2 is greater than or equal to Y1 and less than or equal to Y2; Y1=0.005389*Rth12-2.367048*Rth1+323.45; and Y2=-0.003571*Rth12+0.085714*Rth1+226.74. With the previous manner, the compensation system is capable of effectively reducing the dark state light leak phenomenon of the liquid crystal panel by rationally setting the compensation values of double layers of biaxial compensation films.
Owner:TCL CHINA STAR OPTOELECTRONICS TECH CO LTD

Single-Layered Biaxial Compensation Structure For Liquid Crystal Panels And The Liquid Crystal Displays

A single-layered biaxial compensation structure including a first protection film, a first polarizing film, a biaxial compensation film, a liquid crystal panel, a second protection film, a second polarizing film and a third protection film arranged in sequence is disclosed. The liquid crystal panel includes a liquid crystal layer. An anisotropy reflective index of the liquid crystal layer is Δn, the thickness of the liquid crystal layer is d, a pretilt angle of the liquid crystal molecules is θ, an in-plane retardation value and a thickness retardation value of the biaxial compensation film are respectively Ro1 and Rth1, and the thickness retardation value of the second protection film is Rth2. Wherein: 287.3 nm ≦Δn×d ≦305.7 nm; 85°≦θ<90°; 45 nm ≦Ro1 ≦84 nm; 152 nm ≦Rth1 ≦280 nm; Y1 nm ≦Rth2 ≦Y2 nm; Y1=0.009107×(Rth1)2 −4.67862×Rth1 +599.4; and Y2=−0.00869×(Rth1)2+2.7425×Rth1 −80.4.
Owner:TCL CHINA STAR OPTOELECTRONICS TECH CO LTD

Display panel

The invention provides a display panel, which comprises a first substrate and a second substrate facing each other a display medium arranged between the first substrate and the second substrate in a sealed manner, and a pixel array. The pixel array is disposed on the first surface of the first substrate, the first surface facing the second substrate. The display panel also comprises multiple long protruding layers. The multiple long protruding layers are arranged to extend on the first surface in order, each long protruding layer is provided with multiple protruding structures, each protruding structure has a top surface, each top surface faces the second substrate, each top surface is shaped like a rhombus, and the two diagonals of each rhombus are not equal. The display panel further comprises driving electrodes. The driving electrodes cover the multiple long protruding layers. The long protruding layers with the rhombus-shaped top surfaces are adopted and the driving electrodes cover the long protruding layers, so that light that passes through the first substrate to enter the display panel has a small deflection angle. In this way, light leaks in a dark state are minimized, and the display contrast is increased.
Owner:AU OPTRONICS CORP

Compensation Architecture of Liquid Crystal Panel and Liquid Crystal Display Device

The present invention discloses a compensation architecture of a liquid crystal panel, which comprises a sequentially stacked protective film, a first polarizing film, a biaxial compensation film, a liquid crystal panel, a second protective film, a second polarizing film and a third protective film, the liquid crystal panel is provided a liquid crystal layer including a plurality of liquid crystal molecules, the refractive index anisotropy of the liquid crystal layer is Δn, the thickness is d, the pretilt angle of liquid crystal molecules is θ; the compensation thickness of the biaxial compensation film is Rth1; the compensation thickness of the second protective film is Rth2, wherein: 287.3 nm≦Δn×d≦305.7 nm; 85°≦θ<90°; 180 nm≦Rth1≦260 nm; Y1 nm≦Rth2≦Y2 nm; Y1=−0.885×Rth1+241.9; Y2=−0.006638×(Rth1) 2+1.95×Rth1−6.3. The present invention also discloses a liquid crystal display device, which comprises the liquid crystal display panel compensated by using the aforementioned compensation architecture.
Owner:SHENZHEN CHINA STAR OPTOELECTRONICS TECH CO LTD

Optical compensator for liquid crystal display

Embodiments of an optical compensator for a liquid crystal display is disclosed. One embodiment of the optical compensator includes an A-plate and a C-plate wherein:the retardation of the A-plate satisfies the following formula:0.644<R0(450) / R0(550)<1the retardation of the C-plate satisfies the following formula:1<Rth(450) / Rth(550)<1.35where R0(450) and R0(550) represent the retardation of the A-plate at wavelengths of 450 nm and 550 nm, respectively, and Rth(450) and Rth(550) are the values calculated by Rth=[[nx+ny] / 2−nz]×d (where nx, ny and nz represent the three-dimensional refractive indexes of the C-plate as the refractive indexes in the direction of the x-axis, y-axis and z-axis, respectively, and d represents the thickness of the C-plate) for the C-plate at a wavelength of 450 nm and 550 nm, respectively. Other embodiments are also included.
Owner:INNOLUX CORP

Optical compensation films and method for reducing dark-state light leakage of vertical alignment liquid crystal displays

Optical compensation films and a method for reducing dark-state light leakage of vertical alignment liquid crystal displays are disclosed. The light path difference (LCΔND) is in a range of 324.3-342.8 nm, and the pretilt angle is in a range of 85 to 90 degrees when measured at a wavelength of 550 nm. Wherein an in-plain retardation value Ro of the biaxial compensation film is in the range of 48-84 nm, an out-of-plain retardation value Rth of the biaxial compensation film is in the range of 160-280 nm, and a retardation value Rth of the TAC compensation film is within a range between Y1 and Y2. The compensation structure with single layer of biaxial compensation film not only can reduce the dark-state light leakage, but also can increase the contrastness and the resolution in the wide viewing angle.
Owner:TCL CHINA STAR OPTOELECTRONICS TECH CO LTD

Liquid Crystal Display and Optical Compensation Method Therefor

A liquid crystal display and an optical compensation method therefor are provided specifically for adjusting compensation values of an uniaxial positive birefringence A-compensation film (A-Plate) and an uniaxial negative birefringence C-compensation film (C-Plate) and particularly for controlling a valuing range of a compensation value (Rth) of the C-Plate, so as to reduce the dark-state light leakage by adjusting the compensation values of two types of the compensation film. Thus, the present invention can reduce the dark-state light leakage of a large viewing angle and increase the contrast and definition of the large viewing angle.
Owner:TCL CHINA STAR OPTOELECTRONICS TECH CO LTD

Method for manufacturing polarizing plates

The invention discloses a method for manufacturing polarizing plates. The method comprises the following steps: providing a polyvinyl alcohol (PVA) thin film; dyeing the PVA thin film with dye and using ultraviolet irradiation to assist in dyeing; dyeing the PVA thin film with iodine solution; and forming a protective layer on the upper surface and the lower surface of the PVA thin film respectively, thus the process of manufacturing the polarizing plates is completed.
Owner:CHUNGHWA PICTURE TUBES LTD

Liquid crystal display panel and preparation method thereof

The invention discloses a liquid crystal display panel and a preparation method thereof. The liquid crystal display panel comprises a first substrate, wherein a first color resistance layer is configured on the first substrate; a second substrate, wherein the second substrate and the first substrate are arranged in a paired mode, and a second color resistance layer is arranged on the second substrate; and a polymer network liquid crystal layer, which is arranged between the first substrate and the second substrate, wherein the first color resistance layer comprises a plurality of first color sub-resistors, and the second color resistance layer comprises a plurality of second color sub-resistors which are respectively arranged corresponding to the plurality of first color sub-resistors in the first color resistance layer in color and position. When the polymer network liquid crystal is in a scattering mode, the absorption effect of the color films with different colors in the adjacent sub-pixels on scattered light of the adjacent sub-pixels is utilized, the dark state light leakage degree is reduced, and therefore the contrast ratio is improved.
Owner:SHENZHEN CHINA STAR OPTOELECTRONICS SEMICON DISPLAY TECH CO LTD
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