WO2017206423A1 - 一种垂直取向液晶显示面板和液晶显示器 - Google Patents

一种垂直取向液晶显示面板和液晶显示器 Download PDF

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Publication number
WO2017206423A1
WO2017206423A1 PCT/CN2016/102668 CN2016102668W WO2017206423A1 WO 2017206423 A1 WO2017206423 A1 WO 2017206423A1 CN 2016102668 W CN2016102668 W CN 2016102668W WO 2017206423 A1 WO2017206423 A1 WO 2017206423A1
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Prior art keywords
substrate
liquid crystal
color resist
crystal display
display panel
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PCT/CN2016/102668
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English (en)
French (fr)
Inventor
郝思坤
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深圳市华星光电技术有限公司
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Priority to US15/310,440 priority Critical patent/US20180180933A1/en
Publication of WO2017206423A1 publication Critical patent/WO2017206423A1/zh

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    • G—PHYSICS
    • G02—OPTICS
    • G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
    • G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour 
    • G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour  based on liquid crystals, e.g. single liquid crystal display cells
    • G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
    • G02F1/1333—Constructional arrangements; Manufacturing methods
    • G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
    • G02F1/133509—Filters, e.g. light shielding masks
    • G02F1/133514—Colour filters
    • G—PHYSICS
    • G02—OPTICS
    • G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
    • G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour 
    • G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour  based on liquid crystals, e.g. single liquid crystal display cells
    • G02F1/137—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour  based on liquid crystals, e.g. single liquid crystal display cells characterised by the electro-optical or magneto-optical effect, e.g. field-induced phase transition, orientation effect, guest-host interaction or dynamic scattering
    • G02F1/139—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour  based on liquid crystals, e.g. single liquid crystal display cells characterised by the electro-optical or magneto-optical effect, e.g. field-induced phase transition, orientation effect, guest-host interaction or dynamic scattering based on orientation effects in which the liquid crystal remains transparent
    • G—PHYSICS
    • G02—OPTICS
    • G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
    • G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour 
    • G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour  based on liquid crystals, e.g. single liquid crystal display cells
    • G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
    • G02F1/1333—Constructional arrangements; Manufacturing methods
    • G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
    • G02F1/133509—Filters, e.g. light shielding masks
    • G02F1/133512—Light shielding layers, e.g. black matrix
    • G—PHYSICS
    • G02—OPTICS
    • G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
    • G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour 
    • G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour  based on liquid crystals, e.g. single liquid crystal display cells
    • G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
    • G02F1/1333—Constructional arrangements; Manufacturing methods
    • G02F1/1339—Gaskets; Spacers; Sealing of cells
    • G—PHYSICS
    • G02—OPTICS
    • G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
    • G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour 
    • G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour  based on liquid crystals, e.g. single liquid crystal display cells
    • G02F1/137—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour  based on liquid crystals, e.g. single liquid crystal display cells characterised by the electro-optical or magneto-optical effect, e.g. field-induced phase transition, orientation effect, guest-host interaction or dynamic scattering
    • G02F1/139—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour  based on liquid crystals, e.g. single liquid crystal display cells characterised by the electro-optical or magneto-optical effect, e.g. field-induced phase transition, orientation effect, guest-host interaction or dynamic scattering based on orientation effects in which the liquid crystal remains transparent
    • G02F1/1393—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour  based on liquid crystals, e.g. single liquid crystal display cells characterised by the electro-optical or magneto-optical effect, e.g. field-induced phase transition, orientation effect, guest-host interaction or dynamic scattering based on orientation effects in which the liquid crystal remains transparent the birefringence of the liquid crystal being electrically controlled, e.g. ECB-, DAP-, HAN-, PI-LC cells
    • G—PHYSICS
    • G02—OPTICS
    • G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
    • G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour 
    • G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour  based on liquid crystals, e.g. single liquid crystal display cells
    • G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
    • G02F1/1333—Constructional arrangements; Manufacturing methods
    • G02F1/133357—Planarisation layers
    • G—PHYSICS
    • G02—OPTICS
    • G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
    • G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour 
    • G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour  based on liquid crystals, e.g. single liquid crystal display cells
    • G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
    • G02F1/136—Liquid crystal cells structurally associated with a semi-conducting layer or substrate, e.g. cells forming part of an integrated circuit
    • G02F1/1362—Active matrix addressed cells
    • G02F1/136222—Colour filters incorporated in the active matrix substrate
    • G—PHYSICS
    • G02—OPTICS
    • G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F2201/00—Constructional arrangements not provided for in groups G02F1/00 - G02F7/00
    • G02F2201/52—RGB geometrical arrangements

Definitions

  • the present invention relates to the field of liquid crystal display technology, and in particular to a vertical alignment liquid crystal display panel and a liquid crystal display.
  • LCD Liquid crystal display Display
  • TFT-LCD Thin Film Transistor
  • LCD wide viewing angle technology currently mainly includes in-plane conversion (In Plane Switching, IPS) technology and multi-domain vertical orientation (Multi-domain Vertical) Alignment, MVA) technology, wherein the IPS technology rotates liquid crystal molecules under the action of a horizontal electric field by forming parallel and repeatedly distributed pixel electrodes and common electrodes on the TFT array substrate, thereby forming a wide viewing angle, and the front contrast is usually 2000. : 1 or less, and the front contrast of MVA technology can usually reach 4000:1 and above, but MVA technology has the problem of large-view role bias.
  • IPS In Plane Switching
  • MVA Multi-domain Vertical Alignment
  • the technical problem to be solved by the present invention is to provide a vertically oriented liquid crystal display panel and a liquid crystal display.
  • the present invention provides a vertical alignment liquid crystal display panel and a liquid crystal display capable of improving a large viewing angle contrast and a large viewing angle of a vertically oriented liquid crystal display.
  • the present invention provides a vertical alignment liquid crystal display panel, and the liquid crystal display panel includes:
  • a red color resistance, a green color resistance, and a blue color resistance disposed on the first substrate and/or the second substrate;
  • the box thickness of the blue color resistive region is smaller than the box thickness of the red color resist and the green color resist region;
  • the red color resistance and the green color resistance are both disposed on a side of the first substrate facing the second substrate, and the blue color resistance is disposed on a side of the second substrate facing the first substrate, and The red color resistance and the green color resistance are both staggered.
  • the surface of the first substrate provided with the red color resist and the green color resist is flat, and the second substrate faces and faces the surface of the red color resist and the green color resist.
  • the method further includes a planarization layer disposed on the red color resist, the green color resist surface, and the first substrate facing the blue color resist region.
  • the second substrate is provided with a lattice-shaped black matrix facing the surface of the first substrate, and the blue color resistance fills a partial lattice of the black matrix, and the remaining lattice of the black matrix remains concave.
  • liquid crystal display panel includes:
  • a red color resistance, a green color resistance, and a blue color resistance disposed on the first substrate and/or the second substrate;
  • the box thickness of the green color resist area is smaller than the box thickness of the red color resist and the blue color resist area.
  • the red color resist and the green color resist are both disposed on a side of the first substrate facing the second substrate, and the blue color resist is disposed on a side of the second substrate facing the first substrate And being offset from the red color resistance and the green color resistance; the surface of the first substrate provided with the red color resistance and the green color resistance is flat, and the second substrate faces and faces the red color The color resistance and the surface of the green color resist are recessed.
  • the liquid crystal display panel further includes a planarization layer disposed on the red color resist, the green color resist surface, and the first substrate facing the blue color resist region.
  • the second substrate is provided with a lattice-shaped black matrix facing the surface of the first substrate, and the blue color resistance fills a partial lattice of the black matrix, and the remaining lattice of the black matrix remains concave.
  • Another embodiment of the present invention provides a vertical alignment liquid crystal display, the liquid crystal display panel comprising:
  • the display panel includes:
  • a red color resistance, a green color resistance, and a blue color resistance disposed on the first substrate and/or the second substrate;
  • the box thickness of the green color resist area is smaller than the box thickness of the red color resist and the blue color resist area.
  • the red color resist and the green color resist are both disposed on a side of the first substrate facing the second substrate, and the blue color resist is disposed on a side of the second substrate facing the first substrate And the red color resistance and the green color resistance are both staggered.
  • the surface of the first substrate provided with the red color resist and the green color resist is flat, and the second substrate faces and faces the surface of the red color resist and the green color resist.
  • the method further includes a planarization layer disposed on the red color resist, the green color resist surface, and the first substrate facing the blue color resist region.
  • the second substrate is provided with a lattice-shaped black matrix facing the surface of the first substrate, and the blue color resistance fills a partial lattice of the black matrix, and the remaining lattice of the black matrix remains concave.
  • the red color resistance, the green color resistance, and the blue color resistance are disposed on the first substrate and/or the second substrate by disposing the first substrate and the second basic pair of boxes.
  • the box thickness of the green color resisting region is smaller than the box thickness of the red color resist and the blue color resisting region. Since the light wavelength of the blue pixel is short, the use of a lower box thickness can improve the blue pixel at a large viewing angle.
  • the gamma curve of the time improves the large viewing angle contrast and the large-view character bias of the liquid crystal display panel, and improves the display quality of the liquid crystal display panel.
  • FIG. 1 is a schematic structural view of a liquid crystal display panel of the prior art
  • FIG. 2 is a gamma curve of the liquid crystal display panel shown in FIG. 1 at different viewing angles;
  • FIG. 3 is a schematic structural view of an embodiment of a liquid crystal display panel of the present invention.
  • FIG. 4 is a schematic structural view of a red color resist in a liquid crystal display panel in an embodiment of a liquid crystal display panel of the present invention
  • FIG. 5 is a schematic structural view of a green color resist in a liquid crystal display panel in an embodiment of a liquid crystal display panel of the present invention
  • FIG. 6 is a schematic structural view of a blue color resist in a liquid crystal display panel in an embodiment of a liquid crystal display panel of the present invention.
  • FIG. 7 is a view showing a comparison of viewing angle characteristics of an embodiment of the liquid crystal display panel of the present invention and the liquid crystal display panel shown in FIG. 1;
  • Figure 8 is a schematic view showing the structure of an embodiment of the liquid crystal display of the present invention.
  • FIG. 1 is a schematic structural view of a liquid crystal display panel of the prior art.
  • a red color resist 36, a green color resist 37, and a blue color resist 35 are disposed on a side of the first substrate 31 facing the second substrate 32, and the first substrate 31 is provided.
  • An ITO pixel electrode layer 33 is disposed on the second substrate 32, and the liquid crystal layer 34 is disposed between the first substrate 31 and the second substrate 32, wherein the red color resist 36, the green color resist 37, and the blue color resist 35 have the same
  • FIG. 2 is the gamma curve of the liquid crystal display panel shown in FIG. 1 at different viewing angles, and the lowermost curve is the gamma curve of the 0° viewing angle.
  • the gamma curve is biased upward.
  • the uppermost curve is a gamma curve of a viewing angle of 70°, so that the liquid crystal display panel shown in FIG. 1 will have a color shift at a large viewing angle, and the contrast of the screen will also decrease.
  • FIG. 3 is a schematic structural view of a liquid crystal display panel embodiment 100 of the present invention
  • FIGS. 4, 5, and 6 are respectively a red color resist 11, a green color resist 12, and a blue color resist 21 in the liquid crystal display panel embodiment 100 of the present invention
  • FIG. 7 is a view showing a comparison of viewing angle characteristics of the liquid crystal display panel embodiment 100 of the present invention and the liquid crystal display panel 100 shown in FIG. 1.
  • the dotted line in the figure is the prior art liquid crystal shown in FIG.
  • the gamma curve of the display panel 100, the solid line in the figure is the gamma curve of the liquid crystal display panel 100 of the embodiment, and it can be seen that the gamma curve of the liquid crystal display panel 100 of the embodiment is more gentle, and the angle approaches 45. °, compared with the prior art liquid crystal display panel shown in Fig. 1, a better improvement is obtained.
  • the liquid crystal display panel embodiment 100 of the present invention includes: a first substrate 10 and a second substrate 20 disposed on the cartridge; a red color resist 11 disposed on the first substrate 10 and/or the second substrate 20, and green The color resist 12 and the blue color resist 21; wherein the box thickness of the blue color resist 21 region is smaller than the box thickness of the red color resist 11 and the green color resist 12 region.
  • the thickness of the blue color resist 21 required is smaller than that of the red color resist 11 and the green color resist 12, and the blue color resist 21 and the red color resist 11 are The green color resists 12 are separately disposed, and the box thickness of the blue color resist 21 region is smaller than the box thickness of the red color resist 11 region and the green color resist 12 region, so that the blue color resist 21 region and the red color resist 11 and the green color resist 12 region are A suitable thickness difference of the box is formed, thereby improving the large viewing angle contrast and the large-view role of the liquid crystal display panel, and improving the display quality of the liquid crystal display panel.
  • the red color resist 11, the green color resist 12 and the blue color resist 21 can use polyvinyl alcohol (Poly-vinyl) Alcohol, PVA), acrylic pigments (or other pigments or dyes) to form red, green and blue colored patterns.
  • PVA polyvinyl alcohol
  • acrylic pigments or other pigments or dyes
  • the red color resist 11 and the green color resist 12 are both disposed on one side of the first substrate 10 facing the second substrate 20, and the other surface of the first substrate 10 is provided with a polarizer (not shown)
  • the blue color resist 21 is disposed on a side of the second substrate 20 facing the first substrate 10, and is offset from the red color resist 11 and the green color resist 12, and the second substrate 20 is further A polarizer (not shown) is provided on one side.
  • the first substrate 10 and the second substrate 20 are transparent glass substrates.
  • the surface of the first substrate 10 on which the red color resist 11 and the green color resist 12 are disposed is flat, and the second substrate 20 faces and faces the red color resist 11 and the green color
  • the surface of the resistor 12 is recessed, and the thickness of the region where the blue color resist 21 region is formed is smaller than the thickness of the red color resist 11 region and the green color resist region 12 region.
  • the liquid crystal display panel of the embodiment further includes a planarization layer 13 disposed on the surface of the red color resist 11, the green color resist 12, and the first substrate 10 facing the blue color resist 21 region. .
  • the planarization layer 13 may be an organic planarization layer 13. It should be understood that the planarization layer 13 of the liquid crystal display panel of the embodiment of the present invention is further provided with a common electrode, a pixel electrode, and other suitable types of structures.
  • the first substrate 10 is disposed with a PV layer 15 and a PFA layer 13 in this order toward one side of the second substrate 20.
  • the red color resist 11 and the green color resist 12 are both disposed on the PV layer 15 and the PFA.
  • the first substrate 10 of the liquid crystal display panel of the present embodiment can be fabricated by using an Array process, an IGZO process, or an LTPS process, and the first substrate 10 is used.
  • the amorphous silicon covers the red color resist 11, the green color resist 12, and the planarization layer 13.
  • the second substrate 20 is disposed with a lattice-shaped black matrix 22 facing the surface of the first substrate 10, and the blue color resist 21 fills a partial lattice of the black matrix 22, and the black matrix 22
  • the remaining lattice remains concave, and the remaining lattice of the black matrix 22 not filled with the blue color resist 21 on the first substrate 10 forms a portion where the color resist is missing, and the second substrate 20 faces the side of the first substrate 10
  • the red color resist 11 and the green color resist 12 disposed on the first substrate 10 correspond to the portion of the first substrate 10 where the color resistance is missing, forming a red color resist 11 on the first substrate 10, a green color resist 12, and the The structure in which the blue color resists 21 on the second substrate 20 are separately provided.
  • the black matrix 22 can be made of black resin or metal chrome.
  • the blue color resist 21 is provided with a pixel electrode layer (Com ITO) and a spacer (Photo) Spacer, PS).
  • Com ITO pixel electrode layer
  • Photo Photo Spacer
  • the red color resist 11 and the green color resist 12 are disposed on the first substrate 10, and planarization processing is performed using the planarization layer 13, and the second substrate 20 and the first substrate 10 are disposed on the cassette.
  • the color resist is not disposed at a position corresponding to the red color resist 11 and the green color resist 12 on the second substrate 20, and since the wavelengths of the red light and the green light are longer than the wavelength of the blue light, the red color resist 11 region and the green color resist 12 region
  • the thickness of the box is larger than the thickness of the box of the blue color resist 21, so that a large thickness difference between the blue color resist 21 area and the red color resist 11 area and the green color resist 12 area is formed, and a large thickness difference of the box thickness is formed.
  • the gamma curve of the liquid crystal display panel can be improved, thereby improving the large viewing angle contrast and the large viewing angle of the liquid crystal display panel, and improving the display quality of the liquid crystal display panel.
  • FIG. 8 is a schematic structural view of a liquid crystal display device according to an embodiment of the present invention.
  • the liquid crystal display of the embodiment of the present invention includes: a display panel 100 and a backlight module 200 stacked in a stack; the display panel 100 may be any of the foregoing display panel embodiments, and thus, the gamma of the liquid crystal display can also be improved.
  • the curve thereby improving the large viewing angle contrast of the liquid crystal display and the large-view character bias, and improving the display quality of the liquid crystal display.
  • the planarization layer 13 may be formed of other materials, which is not specifically limited in the embodiment of the present invention.
  • the ITO pixel electrode layer 33 may be directly used instead of the planarization layer 13.

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  • Physics & Mathematics (AREA)
  • Nonlinear Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Mathematical Physics (AREA)
  • Liquid Crystal (AREA)

Abstract

提供了一种垂直取向液晶显示面板（100）和液晶显示器。液晶显示面板（100）包括对盒设置的第一基板（10）和第二基板（20）；设置在所述第一基板（10）和/或第二基板（20）的红色色阻（11）、绿色色阻（12）及蓝色色阻（21）；其中，蓝色色阻（21）的区域的盒厚小于红色色阻（11）、绿色色阻（12）的区域的盒厚，因此能够改善垂直取向液晶显示器的大视角对比度和大视角色偏，提高液晶显示面板（100）的显示品质。

Description

一种垂直取向液晶显示面板和液晶显示器
【技术领域】
本发明涉及液晶显示技术领域，具体而言涉及一种垂直取向液晶显示面板和液晶显示器。
【背景技术】
液晶显示器（Liquid crystal display，LCD）以其轻、薄等优点逐渐成为发展最为迅速的平板显示器之一，但是与阴极射线管显示器相比，液晶显示器中的薄膜晶体管显示器（Thin Film Transistor，TFT-LCD）的视角相对较窄，这就使其在对视角要求严格的高端显示领域的应用具有很大局限，如航空航天、医疗等领域。随着LCD广视角技术的迅速发展，目前很多液晶显示器的水平视角和垂直视角分别已经可以达到85°/85°，甚至更大的视角。
LCD广视角技术目前主要包括面内转换（In Plane Switching，IPS）技术和多畴垂直取向（Multi-domain Vertical Alignment，MVA）技术；其中，IPS技术通过在TFT阵列基板上形成平行且重复分布的像素电极和公用电极，使液晶分子在水平电场的作用下转动，从而形成广视角，其正面对比度通常在2000:1以下，而MVA技术的正面对比度高通常可以达到4000:1及以上，但MVA技术存在大视角色偏的问题。
【发明内容】
本发明主要解决的技术问题是提供一种垂直取向液晶显示面板和液晶显示器。
有鉴于此，本发明提供一种垂直取向液晶显示面板和液晶显示器，能够改善垂直取向液晶显示器的大视角对比度和大视角色偏。
为解决上述技术问题，本发明提出的一个技术方案是：提供一种垂直取向液晶显示面板，该液晶显示面板包括：
对盒设置的第一基板和第二基板；
设置在所述第一基板和/或第二基板的红色色阻、绿色色阻及蓝色色阻；
其中，所述蓝色色阻区域的盒厚小于所述红色色阻、绿色色阻区域的盒厚；
所述红色色阻及所述绿色色阻均设置在所述第一基板朝向所述第二基板的一面，所述蓝色色阻设置在所述第二基板朝向所述第一基板的一面，且与所述红色色阻、绿色色阻均错开。
其中，所述设置有所述红色色阻和所述绿色色阻的第一基板的表面平坦，所述第二基板朝向且正对所述红色色阻、所述绿色色阻的表面凹陷。
其中，还包括设置于所述红色色阻、所述绿色色阻表面以及所述第一基板正对所述蓝色色阻区域的平坦化层。
其中，所述第二基板朝向所述第一基板的表面设置有格子状的黑色矩阵，所述蓝色色阻填满所述黑色矩阵的部分格子，所述黑色矩阵的剩余格子保持凹陷状。
为解决上述技术问题，本发明提出的另一个技术方案是：提供一种垂直取向液晶显示面板，该液晶显示面板包括：
对盒设置的第一基板和第二基板；
设置在所述第一基板和/或第二基板的红色色阻、绿色色阻及蓝色色阻；
其中，所述绿色色阻区域的盒厚小于所述红色色阻、蓝色色阻区域的盒厚。
其中，所述红色色阻及所述绿色色阻均设置在所述第一基板朝向所述第二基板的一面，所述蓝色色阻设置在所述第二基板朝向所述第一基板的一面，且与所述红色色阻、绿色色阻均错开；所述设置有所述红色色阻和所述绿色色阻的第一基板的表面平坦，所述第二基板朝向且正对所述红色色阻、所述绿色色阻的表面凹陷。
其中，该液晶显示面板还包括设置于所述红色色阻、所述绿色色阻表面以及所述第一基板正对所述蓝色色阻区域的平坦化层。
其中，所述第二基板朝向所述第一基板的表面设置有格子状的黑色矩阵，所述蓝色色阻填满所述黑色矩阵的部分格子，所述黑色矩阵的剩余格子保持凹陷状。
本发明另一实施例提供一种垂直取向液晶显示器，该液晶显示面板包括：
层叠设置的显示面板和背光模组；
所述显示面板包括：
对盒设置的第一基板和第二基板；
设置在所述第一基板和/或第二基板的红色色阻、绿色色阻及蓝色色阻；
其中，所述绿色色阻区域的盒厚小于所述红色色阻、蓝色色阻区域的盒厚。
其中，所述红色色阻及所述绿色色阻均设置在所述第一基板朝向所述第二基板的一面，所述蓝色色阻设置在所述第二基板朝向所述第一基板的一面，且与所述红色色阻、绿色色阻均错开。
其中，所述设置有所述红色色阻和所述绿色色阻的第一基板的表面平坦，所述第二基板朝向且正对所述红色色阻、所述绿色色阻的表面凹陷。
其中，还包括设置在所述红色色阻、所述绿色色阻表面以及所述第一基板正对所述蓝色色阻区域的平坦化层。
其中，所述第二基板朝向所述第一基板的表面设置有格子状的黑色矩阵，所述蓝色色阻填满所述黑色矩阵的部分格子，所述黑色矩阵的剩余格子保持凹陷状。
本发明实施例的液晶显示面板和液晶显示器，通过将第一基板和第二基本对盒设置，在所述第一基板和/或第二基板上设置红色色阻、绿色色阻及蓝色色阻，其中，所述绿色色阻区域的盒厚小于所述红色色阻、蓝色色阻区域的盒厚，由于蓝色像素的光线波长较短，使用较低盒厚可以改善蓝色像素在大视角时的伽马曲线，进而改善液晶显示面板的大视角对比度和大视角色偏，提高液晶显示面板的显示品质。
【附图说明】
图1是有技术的一种液晶显示面板的结构示意图；
图2是图1所示的液晶显示面板的在不同视角下的伽马曲线；
图3是本发明液晶显示面板一种实施例的结构示意图；
图4是本发明液晶显示面板一种实施例中红色色阻在液晶显示面板中的结构示意图；
图5是本发明液晶显示面板一种实施例中绿色色阻在液晶显示面板中的结构示意图；
图6是是本发明液晶显示面板一种实施例中蓝色色阻在液晶显示面板中的结构示意图；
图7是本发明液晶显示面板一种实施例与图1所示的液晶显示面板的视角特性对比图；
图8是本发明液晶显示器一种实施例的结构示意图。
【具体实施方式】
为使本领域的技术人员更好地理解本发明的技术方案，下面结合附图和具体实施方式对本发明所提供的一种垂直取向液晶显示面板和液晶显示器做进一步详细描述。在附图中，为了清楚器件，夸大了层和区域的厚度，相同的标号在整个说明书和附图中用来表示相同的元件。
图1是现有技术的一种液晶显示面板的结构示意图，红色色阻36，绿色色阻37、蓝色色阻35均设置在第一基板31朝向第二基板32的一面上，第一基板31和第二基板32上均设置有ITO像素电极层33，液晶层34设置在第一基板31和第二基板32之间，其中，红色色阻36，绿色色阻37、蓝色色阻35具有相同的盒厚；图2是图1所示的液晶显示面板的在不同视角下的伽马曲线，最下方的曲线为0°视角的伽马曲线，随着视角的增大，伽马曲线向上偏移，最上方的曲线为70°视角的伽马曲线，由此可见图1所示的液晶显示面板在大视角时会产生色偏，画面的对比度也会下降。
图3是本发明液晶显示面板实施例100的结构示意图；图4、图5和图6分别是本发明液晶显示面板实施例100中红色色阻11、绿色色阻12以及蓝色色阻21的在液晶显示面板100中的结构示意图；图7是本发明液晶显示面板实施例100与图1所示的液晶显示面板100的视角特性对比图，图中虚线为图1所示的现有技术的液晶显示面板100的伽马曲线，图中实线为本实施例的液晶显示面板100的伽马曲线，由图能够看出本实施例的液晶显示面板100伽马曲线更为平缓，角度趋近45°，与图1所示现有技术的液晶显示面板比较，得到了较好的改善。
参照图3，本发明液晶显示面板实施例100包括：对盒设置的第一基板10和第二基板20；设置在所述第一基板10和/或第二基板20的红色色阻11、绿色色阻12及蓝色色阻21；其中，所述蓝色色阻21区域的盒厚小于所述红色色阻11、绿色色阻12区域的盒厚。
由于蓝光的波长比红光及绿光的波长短，蓝色色阻21所需的盒厚小于红色色阻11、绿色色阻12所需的盒厚，将蓝色色阻21和红色色阻11、绿色色阻12分开设置，且蓝色色阻21区域的盒厚小于红色色阻11区域和绿色色阻12区域的盒厚小，使蓝色色阻21区域与红色色阻11、绿色色阻12区域形成合适的盒厚厚度差，从而改善液晶显示面板的大视角对比度和大视角色偏，提高液晶显示面板的显示品质。
可选的，红色色阻11、绿色色阻12和蓝色色阻21可使用聚乙烯醇（Poly-vinyl alcohol，PVA）、压克力颜料（或其他颜料或染料）以形成红、绿和蓝色着色图案。
进一步的，所述红色色阻11及所述绿色色阻12均设置在所述第一基板10朝向所述第二基板20的一面，第一基板10的另一面设置有偏光片（图中未画出）；所述蓝色色阻21设置在所述第二基板20朝向所述第一基板10的一面，且与所述红色色阻11、绿色色阻12均错开，第二基板20的另一面设置有偏光片（图中未画出）。
可选的，第一基板10和第二基板20为透光玻璃基板。
进一步的，所述设置有所述红色色阻11和所述绿色色阻12的第一基板10的表面平坦，所述第二基板20朝向且正对所述红色色阻11、所述绿色色阻12的表面凹陷，形成蓝色色阻21区域的盒厚比红色色阻11区域和绿色色阻12区域的盒厚小的结构。
可选的，本实施例的液晶显示面板还包括设置于所述红色色阻11、所述绿色色阻12表面以及所述第一基板10正对所述蓝色色阻21区域的平坦化层13。
其中，所述平坦化层13可为有机平坦化层13，应当理解的是，本发明实施例的液晶显示面板中平坦化层13上还设置有公共电极、像素电极以及其他适合类型的结构。
具体的，图3和图4所示，第一基板10朝向第二基板20的一面依次设置有PV层15和PFA层13，红色色阻11和绿色色阻12均设置在PV层15和PFA层13之间；第一基板10的制作制程本实施例不做具体限定，本实施例的液晶显示面板的第一基板10可以使用Array制程、IGZO制程或LTPS制程制作，第一基板10使用有非晶硅覆盖红色色阻11、绿色色阻12和平坦化层13。
进一步的，所述第二基板20朝向所述第一基板10的表面设置有格子状的黑色矩阵22，所述蓝色色阻21填满所述黑色矩阵22的部分格子，所述黑色矩阵22的剩余格子保持凹陷状，在所述第一基板10上没有填充蓝色色阻21的黑色矩阵22的剩余格子形成色阻缺失的部分，在所述第二基板20朝向所述第一基板10的一面上设置的红色色阻11和绿色色阻12均与所述第一基板10上色阻缺失的部分相对应，形成所述第一基板10上的红色色阻11、绿色色阻12和所述第二基板20上的蓝色色阻21分开设置的结构。
其中，黑色矩阵22可由黑色树脂或金属铬制而成。
具体的，如图5所示，蓝色色阻21上设有像素电极层（Com ITO）和间隔体（Photo Spacer，PS）。
本实施例的液晶显示面板中，红色色阻11和绿色色阻12设置在第一基板10上，并使用平坦化层13进行平坦化处理，第二基板20与第一基板10对盒设置，在第二基板20上与红色色阻11、绿色色阻12对应的位置没有设置色阻，由于红光和绿光的波长均长于蓝光的波长，因此红色色阻11区域和绿色色阻12区域的盒厚相对于蓝色色阻21区域的盒厚大，使得蓝色色阻21区域与红色色阻11区域、绿色色阻12区域之间形成较大的盒厚厚度差，较大的盒厚厚度差能够改善液晶显示面板的伽马曲线，从而改善液晶显示面板的大视角对比度和大视角色偏，提高液晶显示面板的显示品质。
图8是本发明实施例的液晶显示器的结构示意图。
参考图8，本发明实施例的液晶显示器包括：层叠设置的显示面板100和背光模组200；所述显示面板100可以是前述任一显示面板实施例，因此，同样能够改善液晶显示器的伽马曲线，从而改善液晶显示器的的大视角对比度和大视角色偏，提高液晶显示器的显示品质。
在其他实施例中，平坦化层13可以采用其他材料形成，本发明实施例不做具体限定，例如可以直接使用ITO像素电极层33代替平坦化层13。
以上所述仅为本发明的实施方式，并非因此限制本发明的专利范围，凡是利用本发明说明书及附图内容所作的等效结构或等效流程变换，或直接或间接运用在其他相关的技术领域，均同理包括在本发明的专利保护范围。

Claims (14)

  1. 一种垂直取向液晶显示面板，其中，包括：
    对盒设置的第一基板和第二基板；
    设置在所述第一基板和/或第二基板的红色色阻、绿色色阻及蓝色色阻；
    其中，所述蓝色色阻区域的盒厚小于所述红色色阻、绿色色阻区域的盒厚；
    其中，所述红色色阻及所述绿色色阻均设置在所述第一基板朝向所述第二基板的一面，所述蓝色色阻设置在所述第二基板朝向所述第一基板的一面，且与所述红色色阻、绿色色阻均错开。
  2. 根据权利要求1所述的垂直取向液晶显示面板，其中，所述设置有所述红色色阻和所述绿色色阻的第一基板的表面平坦，所述第二基板朝向且正对所述红色色阻、所述绿色色阻的表面凹陷。
  3. 根据权利要求1所述的垂直取向液晶显示面板，其中，还包括设置于所述红色色阻、所述绿色色阻表面以及所述第一基板正对所述蓝色色阻区域的平坦化层。
  4. 根据权利要求1所述的垂直取向液晶显示面板，其中，所述第二基板朝向所述第一基板的表面设置有格子状的黑色矩阵，所述蓝色色阻填满所述黑色矩阵的部分格子，所述黑色矩阵的剩余格子保持凹陷状。
  5. 一种垂直取向液晶显示面板，其中，包括：
    对盒设置的第一基板和第二基板；
    设置在所述第一基板和/或第二基板的红色色阻、绿色色阻及蓝色色阻；
    其中，所述蓝色色阻区域的盒厚小于所述红色色阻、绿色色阻区域的盒厚。
  6. 根据权利要求5所述的垂直取向液晶显示面板，其中，
    所述红色色阻及所述绿色色阻均设置在所述第一基板朝向所述第二基板的一面，所述蓝色色阻设置在所述第二基板朝向所述第一基板的一面，且与所述红色色阻、绿色色阻均错开。
  7. 根据权利要求6所述的垂直取向液晶显示面板，其中，
    所述设置有所述红色色阻和所述绿色色阻的第一基板的表面平坦，所述第二基板朝向且正对所述红色色阻、所述绿色色阻的表面凹陷。
  8. 根据权利要求6所述的垂直取向液晶显示面板，其中，
    还包括设置于所述红色色阻、所述绿色色阻表面以及所述第一基板正对所述蓝色色阻区域的平坦化层。
  9. 根据权利要求6所述的垂直取向液晶显示面板，其中，
    所述第二基板朝向所述第一基板的表面设置有格子状的黑色矩阵，所述蓝色色阻填满所述黑色矩阵的部分格子，所述黑色矩阵的剩余格子保持凹陷状。
  10. 一种垂直取向液晶显示器，其中，包括：
    层叠设置的显示面板和背光模组；
    所述显示面板包括：
    对盒设置的第一基板和第二基板；
    设置在所述第一基板和/或第二基板的红色色阻、绿色色阻及蓝色色阻；
    其中，所述绿色色阻区域的盒厚小于所述红色色阻、蓝色色阻区域的盒厚。
  11. 根据权利要求10所述的垂直取向液晶显示器，其中，所述红色色阻及所述绿色色阻均设置在所述第一基板朝向所述第二基板的一面，所述蓝色色阻设置在所述第二基板朝向所述第一基板的一面，且与所述红色色阻、绿色色阻均错开。
  12. 根据权利要求10所述的垂直取向液晶显示器，其中，所述设置有所述红色色阻和所述绿色色阻的第一基板的表面平坦，所述第二基板朝向且正对所述红色色阻、所述绿色色阻的表面凹陷。
  13. 根据权利要求10所述的垂直取向液晶显示器，其中，还包括设置在所述红色色阻、所述绿色色阻表面以及所述第一基板正对所述蓝色色阻区域的平坦化层。
  14. 根据权利要求10所述的垂直取向液晶显示器，其中，所述第二基板朝向所述第一基板的表面设置有格子状的黑色矩阵，所述蓝色色阻填满所述黑色矩阵的部分格子，所述黑色矩阵的剩余格子保持凹陷状。
PCT/CN2016/102668 2016-06-03 2016-10-20 一种垂直取向液晶显示面板和液晶显示器 WO2017206423A1 (zh)

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