WO2018120307A1 - 液晶显示面板和液晶显示器 - Google Patents

液晶显示面板和液晶显示器 Download PDF

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Publication number
WO2018120307A1
WO2018120307A1 PCT/CN2017/071160 CN2017071160W WO2018120307A1 WO 2018120307 A1 WO2018120307 A1 WO 2018120307A1 CN 2017071160 W CN2017071160 W CN 2017071160W WO 2018120307 A1 WO2018120307 A1 WO 2018120307A1
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Prior art keywords
liquid crystal
crystal display
array substrate
reflection film
display panel
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Ceased
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PCT/CN2017/071160
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English (en)
French (fr)
Inventor
海博
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TCL China Star Optoelectronics Technology Co Ltd
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Shenzhen China Star Optoelectronics Technology Co Ltd
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Priority to US15/502,270 priority Critical patent/US10222647B2/en
Publication of WO2018120307A1 publication Critical patent/WO2018120307A1/zh
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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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
    • G02F1/133528—Polarisers
    • 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
    • G02F1/133502—Antiglare, refractive index matching 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
    • G02F1/1333—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
    • G02F1/133—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
    • G02F1/1336—Illuminating devices
    • G02F1/133602—Direct backlight
    • G02F1/133606—Direct backlight including a specially adapted diffusing, scattering or light controlling members
    • 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
    • G02F1/136286—Wiring, e.g. gate line, drain line
    • 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
    • G02F1/133553—Reflecting elements
    • 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
    • G02F1/133553—Reflecting elements
    • G02F1/133555—Transflectors
    • 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
    • G02F1/13356—Structural association of cells with optical devices, e.g. polarisers or reflectors characterised by the placement of the optical elements
    • G02F1/133562—Structural association of cells with optical devices, e.g. polarisers or reflectors characterised by the placement of the optical elements on the viewer side
    • 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
    • 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
    • G02F1/136286—Wiring, e.g. gate line, drain line
    • G02F1/136295—Materials; Compositions; Manufacture processes

Definitions

  • the present invention relates to the field of liquid crystal display, and in particular to a narrow bezel liquid crystal display panel and a liquid crystal display.
  • liquid crystal display devices that provide thinner and thinner frames have become an industry trend. Due to the thickness and appearance of the display, if you want to achieve ultra-thin, ultra-narrow bezel design, you need to redesign its component positioning structure to make it more compact.
  • the liquid crystal display panel of the prior art includes an array substrate 11, a liquid crystal layer 12, and a color filter substrate 13 which are disposed in this order from top to bottom.
  • the frameless liquid crystal display structure generally adopts a GOA (Gate On Array) technology, thereby omitting the gate COF (Chip On Film) structure 14 on the short side of the array substrate 11 of the liquid crystal display panel.
  • the source COF structure on the long side of the array substrate cannot be eliminated. Since the size of the color filter substrate 11 is smaller than that of the array substrate 13, the color filter substrate 13 cannot cover the source COF structure 14 on the array substrate 11, and an additional shielding structure is required for shielding. Processing, so the narrow border design cannot be realized on the long side of the LCD.
  • the array substrate 11 can completely cover the bent source COF structure 14, eliminating the need for an additional shielding structure, thereby further achieving a narrow bezel design of the liquid crystal display.
  • the metal lines in the array substrate 11 are not blocked by the black matrix on the color filter substrate 13, and enhancement occurs.
  • the reflection of the array substrate reduces the contrast of the liquid crystal display. When viewing a liquid crystal display under strong light, it is impossible to see a low-brightness picture, thereby degrading the picture quality.
  • Another object of the present invention is to provide a liquid crystal display using the above liquid crystal display panel.
  • the embodiment of the invention provides a liquid crystal display panel, comprising an anti-reflection film, an upper polarizer, an array substrate, a liquid crystal layer, a color film substrate and a lower polarizer, which are sequentially stacked, and the metal substrate is disposed on the array substrate.
  • the anti-reflection film completely covers the metal traces.
  • the anti-reflection film is made of a magnesium fluoride material.
  • the metal trace is made of aluminum material, and the thickness of the anti-reflection film is between 90.6-108.7 nm.
  • the thickness of the anti-reflection film is between 97.8 and 101.4 nm.
  • the metal trace is made of copper material, and the thickness of the anti-reflection film is between 99.6-117.8 nm.
  • the thickness of the anti-reflection film is between 105.1-108.7 nm.
  • the anti-reflection film completely covers the surface of the array substrate.
  • the method further includes a source flip chip module connected to a surface of the array substrate adjacent to the liquid crystal layer, and a projection of the source flip chip assembly on the array substrate Included in the array substrate.
  • the source flip chip module is connected to the array substrate at one end, and the source flip chip assembly is bent away from the array substrate, so that the source flip chip assembly is on the array substrate.
  • the upper projection is included in the array substrate.
  • the embodiment of the present invention further provides a liquid crystal display, comprising a backlight module and a liquid crystal display panel, wherein the backlight module is disposed on a side of the liquid crystal display panel adjacent to the color filter substrate, and the liquid crystal display panel includes The anti-reflection film, the upper polarizer, the array substrate, the liquid crystal layer, the color filter substrate, and the lower polarizer are stacked, and the array substrate is provided with a metal trace, and the anti-reflection film completely covers the metal trace.
  • the anti-reflection film is made of a magnesium fluoride material.
  • the metal trace is made of aluminum material, and the thickness of the anti-reflection film is between 90.6-108.7 nm.
  • the thickness of the anti-reflection film is between 97.8 and 101.4 nm.
  • the metal trace is made of copper material, and the thickness of the anti-reflection film is between 99.6-117.8 nm.
  • the thickness of the anti-reflection film is between 105.1-108.7 nm.
  • the anti-reflection film completely covers the surface of the array substrate.
  • the method further includes a source flip chip module connected to a surface of the array substrate adjacent to the liquid crystal layer, and a projection of the source flip chip assembly on the array substrate Included in the array substrate.
  • the source flip chip module is connected to the array substrate at one end, and the source flip chip assembly is bent away from the array substrate, so that the source flip chip assembly is on the array substrate.
  • the upper projection is included in the array substrate.
  • the array substrate is disposed above the color filter substrate, and the side of the array substrate away from the color filter substrate is provided with an anti-reflection film, so that the reflected light formed on the anti-reflection film and the reflected light formed by the upper polarizer pass through the light.
  • the interference cancellation function reduces the reflected light of the upper polarizer on the array substrate, thereby increasing the contrast of the liquid crystal display panel and improving the display quality of the screen.
  • the frame of the liquid crystal display of the present invention can be further narrowed and has a high contrast ratio.
  • FIG. 1 is a schematic structural view of a prior art liquid crystal display panel.
  • FIG. 2 is a schematic structural view of a liquid crystal display panel according to an embodiment of the present invention.
  • Figure 3 shows the reflectance of aluminum and copper at different wavelengths of light.
  • FIG. 4 is a schematic structural view of a liquid crystal display according to an embodiment of the present invention.
  • FIG. 2 is a schematic structural view of a liquid crystal display panel 200 according to an embodiment of the present invention.
  • the liquid crystal display panel 200 includes an anti-reflection film 21, an upper polarizer 22, an array substrate 23, a liquid crystal layer 24, a color filter substrate 25, and a lower polarizer 26.
  • the liquid crystal layer 24 is interposed between the array substrate 23 and the color filter substrate 25 .
  • the array substrate 23 is disposed above the color filter substrate 25 . That is, the color filter substrate 25 is disposed on the light incident side of the liquid crystal layer 24, and the array substrate 23 is disposed on the light exit side of the color filter substrate 25.
  • the upper polarizer 22 is disposed on a surface of the array substrate 23 away from the liquid crystal layer 24
  • the lower polarizer 26 is disposed on a surface of the color filter substrate 25 remote from the liquid crystal layer 24 .
  • the anti-reflection film 21 is also attached to the surface of the upper polarizer 22 that is away from the array substrate 23.
  • the array substrate 23 is provided with a metal trace 231, and a side of the array substrate 23 adjacent to the liquid crystal layer 24 is further connected to the source COF assembly 27.
  • one end of the source COF assembly 27 is connected to the array substrate 23, and the other end of the source COF assembly 27 is bent away from the array substrate 23, so that the source COF assembly 27 is in the A projection on the array substrate 23 is included in the array substrate 23.
  • the source COF assembly 27 is used to connect a PCB circuit board to provide a source signal for the array substrate 23.
  • the anti-reflection film 21 completely covers the metal traces 231. In other words, the orthographic projection of the metal trace 231 on the anti-reflection film 21 is included in the anti-reflection film 21.
  • the function of the anti-reflection film 21 is that the reflected light formed on the anti-reflection film 21 and the reflected light formed on the upper polarizer 22 cancel the interference of the light, thereby reducing the reflected light of the liquid crystal display panel 200.
  • the reflected light added by the metal trace 231 is offset due to the array substrate 23 facing upward, thereby increasing the contrast of the liquid crystal display panel 200 and improving the display quality of the screen.
  • the projection of the array substrate 23 on the anti-reflection film 21 is included in the array substrate 23.
  • the refractive index n1 of air is 1, and the refractive index n3 of the material such as the upper polarizer 22 and the array substrate 23 is approximately 1.52.
  • the refractive index n2 of the anti-reflection film 21 should satisfy: Due to the 1.23 refractive index material, there are currently limited materials available.
  • magnesium fluoride (chemical formula: MgF2, refractive index of 1.38) having a relatively close refractive index can be selected as the material of the anti-reflection film 21, thereby ensuring a high contrast of the display panel and lowering the liquid crystal.
  • the material of the metal traces 231 in the array substrate 23 may be aluminum or copper. In other embodiments of the present invention, the metal traces 231 may also be made of other metal materials.
  • Figure 3 shows the reflectance of aluminum and copper at different wavelengths of light.
  • the reflectance over the entire range of visible light is about 90%.
  • the human eye is sensitive to the reaction of green light
  • the anti-reflection film 21 can be designed for a wavelength band close to green light having a wavelength between 500 and 600 nm.
  • the thickness e of the anti-reflection film 21 satisfies: 90.6 nm ⁇ e ⁇ 108.7 nm.
  • the anti-reflection film 21 can be treated for green light having a wavelength between 540 and 560 nm, since the human eye is most sensitive to light in the band. At this time, the thickness e of the anti-reflection film 21 satisfies: 97.8 nm ⁇ e ⁇ 101.4 nm.
  • the anti-reflection film 21 can be designed for near-yellow light having a wavelength between 550 and 650 nm, thereby offsetting the increased reflected light due to the copper metal.
  • the turning point of the reflectance of copper metal to visible light is approximately 590 nm. Therefore, an anti-reflection film design can be performed for yellow light having a wavelength between 580 and 600 nm. That is, preferably, the thickness e of the anti-reflection film 21 satisfies: 105.1 nm ⁇ e ⁇ 108.7 nm.
  • the anti-reflection film 21 can also be made of other materials.
  • a material having a refractive index of 1.23 can be used. The anti-reflection effect at this time is the best.
  • e ⁇ / 4n
  • 550 nm ⁇ ⁇ ⁇ 650 nm, n 1.23
  • 111.8 nm ⁇ e ⁇ 132.1 nm Preferably, 580 nm ⁇ ⁇ ⁇ 600 nm, then 117.9 nm ⁇ e ⁇ 122 nm.
  • FIG. 4 is a schematic structural diagram of a liquid crystal display according to an embodiment of the present invention.
  • the liquid crystal display 500 includes a backlight module 201 and a liquid crystal display panel 200.
  • the liquid crystal display panel 200 is the liquid crystal display panel 200 described in any of the above embodiments.
  • the backlight module 201 and the liquid crystal display panel 200 are stacked, and the backlight module is used to provide a light source for the liquid crystal display panel 200.
  • the backlight module 200 is disposed adjacent to a side of the liquid crystal display panel on which the color filter substrate is disposed.

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  • Physics & Mathematics (AREA)
  • Nonlinear Science (AREA)
  • Mathematical Physics (AREA)
  • Chemical & Material Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Engineering & Computer Science (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Liquid Crystal (AREA)
  • Polarising Elements (AREA)
  • Devices For Indicating Variable Information By Combining Individual Elements (AREA)

Abstract

一种液晶显示面板（200），其中，包括依次层叠设置的减反射膜（21）、上偏光片（22）、阵列基板（23）、液晶层（24）、彩膜基板（25）和下偏光片（26），阵列基板（23）上设置有金属走线（231），减反射膜（21）完全遮盖金属走线（231）。阵列基板（23）远离彩膜基板（25）的一侧设置有减反射膜（21），从而在减反射膜（21）上形成的反射光与上偏光片（22）上形成的反射光经过光线的干涉相消作用，减小液晶显示面板（200）上的反射光线，从而增大液晶显示面板（200）的对比度，提升画面的显示质量。从而，液晶显示器（500）的边框可以进一步做窄，且具有较高的对比度。

Description

液晶显示面板和液晶显示器
本发明要求2016年12月28日递交的发明名称为“液晶显示面板和液晶显示器”的申请号201611233663.3的在先申请优先权，上述在先申请的内容以引入的方式并入本文本中。
技术领域
本发明涉及液晶显示领域，具体涉及一种窄边框液晶显示面板和液晶显示器。
背景技术
随着液晶显示技术的快速发展，提供更加轻薄、更窄边框的液晶显示装置已成为行业发展趋势。由于显示器厚度以及外观的限制，若要实现对其进行超薄、超窄边框设计，则需要重新对其零部件定位结构进行优化设计，使其结构更加紧凑。
请参阅图1，现有技术中的液晶显示面板包括从上到下依次设置的阵列基板11、液晶层12和彩膜基板13。无边框液晶显示器结构通常是采用GOA(Gate On Array，阵列基板栅极驱动)技术，从而省略液晶显示面板的阵列基板11短边上的栅极COF(Chip On Film，覆晶薄膜)结构14，但是阵列基板长边上的源极COF结构无法取消，由于彩膜基板11的尺寸小于阵列基板13，彩膜基板13无法遮盖阵列基板11上的源极COF结构14，需要额外的遮挡结构进行遮挡处理，因此液晶显示器长边上无法实现窄边框设计。
若将阵列基板13设置在彩膜基板11上方，则阵列基板11可以完全遮盖弯折后的所述源极COF结构14，省去了额外的遮挡结构，从而进一步实现液晶显示器的窄边框设计。但是，由于阵列基板中设置有多条金属线，当阵列基板13朝上，彩膜基板11朝下时，阵列基板11中的金属线没有彩膜基板13上的黑矩阵进行遮挡，会发生增强阵列基板的反射作用，从而降低液晶显示器的对比度。在强光下观看液晶显示器时，无法看清低亮度的画面，从而降低画质。
发明内容
本发明的目的在于提供一种液晶显示面板，能够进一步缩小液晶显示器的边框，且不影响其显示对比度。
本发明的另一目的在于提供采用上述液晶显示面板的液晶显示器。
为了实现上述目的，本发明实施方式提供如下技术方案：
本发明实施例提供一种液晶显示面板，包括依次层叠设置的减反射膜、上偏光片、阵列基板、液晶层、彩膜基板和下偏光片，所述阵列基板上设置有金属走线，所述减反射膜完全遮盖所述金属走线。
其中，所述减反射膜采用氟化镁材料。
其中，所述金属走线采用铝材料，所述减反射膜的厚度介于90.6-108.7nm之间。
其中，所述减反射膜的厚度介于97.8-101.4nm之间。
其中，所述金属走线采用铜材料，所述减反射膜的厚度介于99.6-117.8nm之间。
其中，所述减反射膜的厚度介于105.1-108.7nm之间。
其中，所述减反射膜完全遮盖所述阵列基板的表面。
其中，还包括源极覆晶薄膜组件，所述源极覆晶薄膜组件连接于所述阵列基板之靠近所述液晶层的表面，所述源极覆晶薄膜组件在所述阵列基板上的投影包含于所述阵列基板。
其中，所述源极覆晶薄膜组件一端连接于所述阵列基板，所述源极覆晶薄膜组件弯向远离所述阵列基板方向，以使得所述源极覆晶薄膜组件在所述阵列基板上的投影包含于所述阵列基板。
本发明实施例还提供一种液晶显示器，包括背光模组和液晶显示面板，所述背光模组设置于所述液晶显示面板之靠近所述彩膜基板的一侧，所述液晶显示面板包括依次层叠设置的减反射膜、上偏光片、阵列基板、液晶层、彩膜基板和下偏光片，所述阵列基板上设置有金属走线，所述减反射膜完全遮盖所述金属走线。
其中，所述减反射膜采用氟化镁材料。
其中，所述金属走线采用铝材料，所述减反射膜的厚度介于90.6-108.7nm之间。
其中，所述减反射膜的厚度介于97.8-101.4nm之间。
其中，所述金属走线采用铜材料，所述减反射膜的厚度介于99.6-117.8nm之间。
其中，所述减反射膜的厚度介于105.1-108.7nm之间。
其中，所述减反射膜完全遮盖所述阵列基板的表面。
其中，还包括源极覆晶薄膜组件，所述源极覆晶薄膜组件连接于所述阵列基板之靠近所述液晶层的表面，所述源极覆晶薄膜组件在所述阵列基板上的投影包含于所述阵列基板。
其中，所述源极覆晶薄膜组件一端连接于所述阵列基板，所述源极覆晶薄膜组件弯向远离所述阵列基板方向，以使得所述源极覆晶薄膜组件在所述阵列基板上的投影包含于所述阵列基板。
本发明实施例具有如下优点或有益效果：
本发明中将阵列基板设置于彩膜基板上方，且阵列基板远离彩膜基板的一侧设置有减反射膜，从而在减反射膜上形成的反射光与上偏光片形成的反射光经过光线的干涉相消作用，减小所述阵列基板上上偏光片反射光线，从而增大液晶显示面板的对比度，提升画面的显示质量。本发明的液晶显示器的边框可以进一步做窄，且具有较高的对比度。
附图说明
为了更清楚地说明本发明实施例或现有技术中的技术方案，下面将对实施例或现有技术描述中所需要使用的附图作简单地介绍，显而易见地，下面描述中的附图仅仅是本发明的一些实施例，对于本领域普通技术人员来讲，在不付出创造性劳动的前提下，还可以根据这些附图获得其他的附图。
图1是现有技术液晶显示面板结构示意图。
图2为本发明一种实施方式的液晶显示面板结构示意图。
图3为铝和铜在不同波长光线下的反射率。
图4为本发明一种实施方式的液晶显示器结构示意图。
具体实施方式
下面将结合本发明实施例中的附图，对本发明实施例中的技术方案进行清楚、完整地描述，显然，所描述的实施例仅仅是本发明一部分实施例，而不是全部的实施例。基于本发明中的实施例，本领域普通技术人员在没有做出创造性劳动前提下所获得的所有其他实施例，都属于本发明保护的范围。
请参阅图2。图2为本发明一种实施方式的液晶显示面板200结构示意图。液晶显示面板200包括减反射膜21、上偏光片22、阵列基板23、液晶层24、彩膜基板25和下偏光片26。所述液晶层24夹设于所述阵列基板23和所述彩膜基板25之间。所述阵列基板23设置于所述彩膜基板25上方。即所述彩膜基板25设置于所述液晶层24的入光侧，所述阵列基板23设置于所述彩膜基板25的出光侧。所述上偏光片22设置于所述阵列基板23之远离所述液晶层24的表面，所述下偏光片26设置于所述彩膜基板25之远离所述液晶层24的表面。所述上偏光片22之远离所述阵列基板23的表面还贴附设置有所述减反射膜21。
进一步具体的，所述阵列基板23上设置有金属走线231，所述阵列基板23之靠近所述液晶层24的一面上还连接有源极COF组件27。具体的，所述源极COF组件27一端连接于所述阵列基板23，所述源极COF组件27另一端弯向远离所述阵列基板23方向，以使得所述源极COF组件27在所述阵列基板23上的投影包含于所述阵列基板23。所述源极COF组件27用于连接PCB电路板，从而为所述阵列基板23提供源极信号。所述减反射膜21完全遮盖所述金属走线231。换而言之，所述金属走线231在所述减反射膜21上的正投影包含于所述减反射膜21。所述减反射膜21的作用在于，在减反射膜21上形成的反射光与上偏光片22上形成的反射光经过光线的干涉相消作用，减小所述液晶显示面板200的反射光线，从而抵消了由于阵列基板23朝上，金属走线231增加的反射光线，进而增大液晶显示面板200的对比度，提升画面的显示质量。优选的，所述阵列基板23在所述减反射膜21上的投影包含于所述阵列基板23。
可以理解的是，空气的折射率n1＝1，对于上偏光片22、阵列基板23等材料的折射率n3大致为1.52。为使得反射光的能量最低，应保证减反射膜21表面的反射光和上偏光片22表面的反射光的能量相等。即减反射膜21的折射 率n2应满足：
Figure PCTCN2017071160-appb-000001
由于折射率为1.23的材质，目前可选的材料有限。为了降低制作成本，可以选用折射率相对比较接近的氟化镁(化学式：MgF2，折射率为1.38)作为减反射膜21的材料，这样既保证了具有较高的显示面板对比度，也能降低液晶显示面板200的制作成本。根据反射率R的计算公式R＝(n1-n2)2/(n1+n2)2，可以知，采用氟化镁作为减反射层的反射率约在2％左右。能够充分减小液晶显示面板200表面的反射光线。
进一步具体的，所述阵列基板23中的金属走线231的材料可以采用为铝或铜。在本发明的其他实施方式中，所述金属走线231还可以采用其他金属材料。
当位于减反射膜21表面的反射光线与位于上偏光片22表面的反射光线干涉相消，液晶显示面板200的对比度最高，显示的效果最好。可以理解的是，此时满足e＝λ/4n时，其中，e为减反射膜21的厚度，λ为入射光线的波长，n为减反射膜21的反射率。
请参阅图3。图3为铝和铜在不同波长光线下的反射率。由图3可以看出，对于铝而言，其在可见光的全波段上的反射率都在90％左右。而人眼对于绿色光线的反应比较敏感，所以在采用铝作为金属走线231时，可以针对波长在500-600nm之间的接近绿色光线的波段设计减反射膜21。其所需的减反射膜21厚度为e＝λ/4n(500nm≤λ≤600nm，减反射膜21材料为氟化镁，n＝1.38)。可知减反射膜21的厚度e满足：90.6nm≤e≤108.7nm。优选的，可以针对波长在540-560nm之间的绿色光线进行减反射膜21处理，这是由于人眼对于该波段的光线最为敏感。此时，减反射膜21的厚度e满足：97.8nm≤e≤101.4nm。
对于铜金属而言，铜在蓝色波段反光低，在红绿波段反光高，所以铜呈为黄色。因此可以针对波长介于550-650nm之间的近黄色光线设计减反射膜21，从而抵消由于铜金属增加的反射光线。同理，根据减反射膜21膜厚度公式有：e＝λ/4n。其中，λ＝550-650nm，n＝1.38。可知，此时减反射膜21的厚度e满足：99.6nm≤e≤117.8nm。进一步的，由图3可知，铜金属对可见光的反射率的转折点大致为590nm左右。因此可以针对波长介于580-600nm之间的黄色光线进行减反射膜设计。即，优选的，所述减反射膜21的厚度e满足：105.1nm ≤e≤108.7nm。
可以理解的是，在本发明其他实施方式中，所述减反射膜21还可以采用其他材料制成。例如可以采用折射率为1.23的材料。此时的减反射效果最好。并且，当金属走线231采用铝材料时，该减反射膜21的厚度e满足可以e＝λ/4n其中，500nm≤λ≤600nm，n＝1.23)，即101.6nm≤e≤122nm。优选的，540nm≤λ≤560nm，则有109.8nm≤e≤113.8nm。
当金属走线231采用铜材料时，该减反射膜21的厚度e满足可以e＝λ/4n其中，550nm≤λ≤650nm，n＝1.23)，即111.8nm≤e≤132.1nm。优选的，580nm≤λ≤600nm，则有117.9nm≤e≤122nm。
请参阅图4，图4为本发明一种实施方式提供的液晶显示器结构示意图。液晶显示器500包括背光模组201和液晶显示面板200。所述液晶显示面板200为上述任意一种实施例所述的液晶显示面板200。具体的，所述背光模组201和所述液晶显示面板200层叠设置，所述背光模组用于为所述液晶显示面板200提供光源。具体的，所述背光模组200靠近所述液晶显示面板设有彩膜基板的一侧设置。
在本说明书的描述中，参考术语“一个实施例”、“一些实施例”、“示例”、“具体示例”或“一些示例”等的描述意指结合该实施例或示例描述的具体特征、结构、材料或者特点包含于本发明的至少一个实施例或示例中。在本说明书中，对上述术语的示意性表述不一定指的是相同的实施例或示例。而且，描述的具体特征、结构、材料或特点可以在任何的一个或多个实施例或示例中以合适的方式结合。
以上所述的实施方式，并不构成对该技术方案保护范围的限定。任何在上述实施方式的精神和原则之内所作的修改、等同替换和改进等，均应包含在该技术方案的保护范围之内。

Claims (18)

  1. 一种液晶显示面板，其中，包括依次层叠设置的减反射膜、上偏光片、阵列基板、液晶层、彩膜基板和下偏光片，所述阵列基板上设置有金属走线，所述减反射膜完全遮盖所述金属走线。
  2. 如权利要求1所述的液晶显示面板，其中，所述减反射膜采用氟化镁材料。
  3. 如权利要求2所述的液晶显示面板，其中，所述金属走线采用铝材料，所述减反射膜的厚度介于90.6-108.7nm之间。
  4. 如权利要求3所述的液晶显示面板，其中，所述减反射膜的厚度介于97.8-101.4nm之间。
  5. 如权利要求2所述的液晶显示面板，其中，所述金属走线采用铜材料，所述减反射膜的厚度介于99.6-117.8nm之间。
  6. 如权利要求5所述的液晶显示面板，其中，所述减反射膜的厚度介于105.1-108.7nm之间。
  7. 如权利要求1所述的液晶显示面板，其中，所述减反射膜完全遮盖所述阵列基板的表面。
  8. 如权利要求1所述的液晶显示面板，其中，还包括源极覆晶薄膜组件，所述源极覆晶薄膜组件连接于所述阵列基板之靠近所述液晶层的表面，所述源极覆晶薄膜组件在所述阵列基板上的投影包含于所述阵列基板。
  9. 如权利要求8所述的液晶显示面板，其中，所述源极覆晶薄膜组件一端连接于所述阵列基板，所述源极覆晶薄膜组件弯向远离所述阵列基板方向，以使得所述源极覆晶薄膜组件在所述阵列基板上的投影包含于所述阵列基板。
  10. 一种液晶显示器，其中，包括背光模组和液晶显示面板，所述背光 模组设置于所述液晶显示面板之靠近所述彩膜基板的一侧，所述液晶显示面板包括依次层叠设置的减反射膜、上偏光片、阵列基板、液晶层、彩膜基板和下偏光片，所述阵列基板上设置有金属走线，所述减反射膜完全遮盖所述金属走线。
  11. 如权利要求10所述的液晶显示器，其中，所述减反射膜采用氟化镁材料。
  12. 如权利要求11所述的液晶显示器，其中，所述金属走线采用铝材料，所述减反射膜的厚度介于90.6-108.7nm之间。
  13. 如权利要求12所述的液晶显示器，其中，所述减反射膜的厚度介于97.8-101.4nm之间。
  14. 如权利要求11所述的液晶显示器，其中，所述金属走线采用铜材料，所述减反射膜的厚度介于99.6-117.8nm之间。
  15. 如权利要求14所述的液晶显示器，其中，所述减反射膜的厚度介于105.1-108.7nm之间。
  16. 如权利要求10所述的液晶显示器，其中，所述减反射膜完全遮盖所述阵列基板的表面。
  17. 如权利要求10所述的液晶显示器，其中，还包括源极覆晶薄膜组件，所述源极覆晶薄膜组件连接于所述阵列基板之靠近所述液晶层的表面，所述源极覆晶薄膜组件在所述阵列基板上的投影包含于所述阵列基板。
  18. 如权利要求17所述的液晶显示器，其中，所述源极覆晶薄膜组件一端连接于所述阵列基板，所述源极覆晶薄膜组件弯向远离所述阵列基板方向，以使得所述源极覆晶薄膜组件在所述阵列基板上的投影包含于所述阵列基板。
PCT/CN2017/071160 2016-12-28 2017-01-13 液晶显示面板和液晶显示器 Ceased WO2018120307A1 (zh)

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