WO2011091556A1 - Écran à cristaux liquides et dispositif d'affichage à cristaux liquides - Google Patents

Écran à cristaux liquides et dispositif d'affichage à cristaux liquides Download PDF

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Publication number
WO2011091556A1
WO2011091556A1 PCT/CN2010/000385 CN2010000385W WO2011091556A1 WO 2011091556 A1 WO2011091556 A1 WO 2011091556A1 CN 2010000385 W CN2010000385 W CN 2010000385W WO 2011091556 A1 WO2011091556 A1 WO 2011091556A1
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WO
WIPO (PCT)
Prior art keywords
liquid crystal
light
crystal display
beam splitter
sub
Prior art date
Application number
PCT/CN2010/000385
Other languages
English (en)
Chinese (zh)
Inventor
李冠军
刘凤峰
李启航
Original Assignee
Li Guanjun
Liu Fengfeng
Li Qihang
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Li Guanjun, Liu Fengfeng, Li Qihang filed Critical Li Guanjun
Publication of WO2011091556A1 publication Critical patent/WO2011091556A1/fr

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Classifications

    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B5/00—Optical elements other than lenses
    • G02B5/30—Polarising elements
    • G02B5/3025—Polarisers, i.e. arrangements capable of producing a definite output polarisation state from an unpolarised input state
    • 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
    • G02F1/133548—Wire-grid 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
    • G02F1/1336—Illuminating devices
    • G02F1/133602—Direct backlight

Definitions

  • the present invention relates to a display device, and more particularly to a liquid crystal panel, and to a liquid crystal display device comprising the liquid crystal panel.
  • each liquid crystal sub-image number ⁇ film matrix electrode and liquid crystal controls the rotation of the polarization direction of the polarized white light, and the color is selected by the color filter. That is, the light rays reaching the red, green, and blue sub-images in the color filter have different polarization directions, but they are white polarized light.
  • the red sub-images can only transmit red light, and the other two colors are absorbed.
  • the green and blue sub-images are also the same. So 2/3 of the light energy is wasted.
  • the technical problem to be solved by the present invention is to provide a liquid crystal panel which is more rational in design and can greatly improve the utilization efficiency of light, in view of the deficiencies of the prior art.
  • Another technical problem to be solved by the present invention is to provide a liquid crystal display device comprising a liquid crystal panel as described above.
  • the present invention is a liquid crystal panel comprising a glass substrate, an ITO electrode, a liquid crystal and a polarizing plate, wherein a color polarizing beam splitter is disposed between the glass substrate on the light incident side and the ITO electrode, and the other side of the ITO electrode a liquid crystal, an ITO electrode, a glass substrate, and a polarizing plate are disposed in sequence; or a color polarizing beam splitter is disposed between the ITO electrode on the light incident side and the liquid crystal, and an ITO electrode, a glass substrate, and a polarizing plate are sequentially disposed on the other side of the liquid crystal;
  • the color polarization beam splitter has an array of image numbers, each image number has three sub-image numbers or is a single pixel, and the three sub-image numbers are respectively composed of metal wire grids of different widths and periods, and the three sub-image numbers are respectively in the liquid crystal display.
  • the red, green, and blue sub-pixels have a one-to-one correspondence, that is, the metal wire grid corresponding to the red sub-image number in a certain number of pixels of the liquid crystal screen is designed to allow only a certain bandwidth and the polarization direction and the metal wire grid direction.
  • the orthogonal vertical polarized red light is emitted, and the polarized red light and other colored lights whose polarization directions are parallel to the metal wire grid direction are reflected.
  • Other green sub-images and blue sub-images are similar; a single pixel is also composed of a metal wire grid, and a single pixel has a one-to-one correspondence with pixels in a liquid crystal display; the direction of the metal wire grid is isotropic.
  • the technical problem to be solved by the present invention can be further achieved by the following technical solutions.
  • the liquid crystal panel described above is characterized in that a metal reflective film is provided around the array of image numbers of the color polarizing beam splitter.
  • the technical problem to be solved by the present invention can be further achieved by the following technical solutions.
  • the present invention also provides a liquid crystal display device comprising the liquid crystal panel of the above technical solution, characterized in that it comprises a backlight device and the liquid crystal panel according to claim 1 or 2.
  • the technical problem to be solved by the present invention can be further achieved by the following technical solutions.
  • the liquid crystal display device described above is characterized in that the backlight device is a liquid crystal backlight module with a side lighting structure.
  • the liquid crystal display device described above is characterized in that the backlight device is a reflective bowl, and the reflective bowl is a single reflective bowl or a dot matrix composed of a plurality of reflective bowls.
  • the liquid crystal display device described above is characterized in that a light-transmitting plate is provided between the reflective bowl and the color polarizing beam splitter.
  • the light transmissive plate may be any thin plate that can transmit light.
  • the technical problem to be solved by the present invention can be further achieved by the following technical solutions.
  • the liquid crystal display device described above is characterized in that the light-transmitting plate is a light-hooking plate.
  • the use of the grating in the prior art is only to utilize its function for red, green and blue color filters.
  • the invention utilizes the function of directly emitting red, green and blue polarized light by the grating, and the reflection function of the metal line grating, that is, the metal wire grid can be polarized and split, so that the organic light will be reflected and absorbed by the absorbed light. The reflected light is reused by the device.
  • the present invention can discard the color filter 8 of the prior art (see Fig. 4) and improve the utilization of light energy.
  • liquid crystal panel of the present invention will be further described below.
  • the liquid crystal panel of the present invention (hereinafter referred to as a new liquid crystal panel, see Fig. 2-3) is compared with the conventional arrangement of the liquid crystal panel (hereinafter referred to as the original liquid crystal panel, see Fig. 4). .
  • Light is incident from left to right.
  • the color polarizing beam splitter of the present invention is provided, which has Reflective function, can achieve light reuse.
  • the color polarizing beam splitter main body is composed of a metal wire grid array, which utilizes the polarization splitting function of the metal wire grid to directly
  • the number of liquid crystal sub-images of the ITO film matrix electrode (hereinafter referred to as the number of liquid crystal sub-images) respectively provide red, green, and blue polarized light or monochromatic polarized light for controlling rotation, thereby discarding the color filter of the original liquid crystal panel and The polarizer on the light side is reflected and the remaining "waste light” is reflected for recycling.
  • the metal wire grid array directly and efficiently emits red, green and blue polarized light, one-to-one correspondence and controlled by the number of liquid crystal sub-images.
  • each liquid crystal image number directly controls the rotation of the vibration direction of the red, or green, or blue monochromatic polarized light, and the rotation of the vibration direction of the polarized white mixed light is controlled instead of the original liquid crystal display. Need to be selected by a separate color filter. Therefore, the new LCD screen can discard color filters.
  • the color polarizing beam splitter also reflects the "waste light" that failed to penetrate for reuse.
  • the color polarizing beam is provided with a metal reflective film around the array of images, it has a one-to-one correspondence with a space other than the number of liquid crystal sub-images (i.e., light blocking portions such as black frames, thin film transistors, capacitors, etc.).
  • the metal reflective film does not have a wire grid structure and only acts as a reflection light.
  • the color polarizing beam splitter of the present invention is disposed at the position of the present invention, except that the color polarizing beam splitter at this position can directly emit red, green and blue polarized light to the liquid crystal sub-image number control, at this position Since the color polarizing beam splitter is on the light incident side of the liquid crystal, it has a convenient function of reflecting "waste light". "Waste light” can only be recycled and reused if it is reflected back instead of being absorbed. The so-called "waste light” reflected by the color polarizing beam splitter is divided into two types: one is polarized light and the other is unpolarized light. Polarized light recycling requires a polarized light conversion device. The reuse of unpolarized light is relatively simple.
  • the backlight device combined with the color polarization beam splitter must perform two functions: one is the light return position retroreflection function, and the other is the polarization conversion function. Or implement one of the functions.
  • the backlight device is also a polarized light conversion device.
  • the light reflected by the color polarizing beam splitter operates between the reflective bowl and the color polarizing beam splitter as follows: see Figure 5-6, a sub-pixel grid reflects monochromatic polarized light and two other colors of monochromatic unpolarized light, metal The reflective film reflects white unpolarized light. The monochromatic polarized light is reflected back by the reflective bowl and becomes partially polarized light.
  • the partially polarized light can be re-emitted or partially emitted from the appropriate number of sub-images at other positions of the grid, and the residual light is reflected again into the loop;
  • the unpolarized light is reflected by the reflective bowl, it will be emitted and reflected at another position on the color polarizing beam splitter, and the reflected light will enter the monochromatic polarized light cycle.
  • the white unpolarized light reflected by the metal reverse film is reflected by the reflective bowl, it is also emitted and reflected at another position on the color polarizing beam splitter, and the reflected light again enters the circularly polarized light and the unpolarized light cycle.
  • almost all of the light except the reflection loss is utilized, so that more than 90% of the wasted light energy in the prior art is reused, and the light efficiency is extremely high.
  • the polarized light whose polarization direction is perpendicular to the polarization beam splitter wire grid passes, and the light parallel thereto is reflected.
  • the light reflected back by the color polarizing beam splitter is reflected by the reflective bowl and then becomes partially polarized.
  • Partially polarized light can be decomposed into two parts parallel and perpendicular to the color polarization beam metal grid, and again from left to right toward the polarization beam splitter, repeating the process of Figures 8 to 9, repeating until the light energy is sufficient use.
  • the device When the color polarizing beam splitter and the reflective bowl are combined for polarized light conversion, the device does not need to be additionally added, and is simple and practical. Compared with the three-chip projector, the light effect is higher and the structure is simple.
  • the reflective bowl changes the position of the light exit and also improves the uniformity of illumination.
  • the color polarizing beam splitter of the present invention does not repel the combination with other devices having either a polarized light converting function or a retroreflective function or both.
  • the backlight device When the backlight device is a liquid crystal backlight module, the backlight device only has a retroreflective function of changing the position of the light without a polarization conversion function.
  • the light operates between the backlight module and the color polarizing beam splitter as follows: a sub-pixel of the color polarizing beam splitter reflects the monochromatic polarized light in the same direction as the wire grid direction and the other two colors of unpolarized light, and the metal reflective film reflects the white non-polarized light. polarized light.
  • the monochromatic polarized light cannot be re-emitted from the wire grid due to the unbiased vibrating light conversion device.
  • the other two colors of unpolarized light will change the direction of light propagation under the action of the light-shading plate, and will be reflected and reflected by the reflector to exit and reflect at another position of the wire grid.
  • the reflected light enters the loop again.
  • Most of the polarized light which accounts for 50% of the light energy orthogonal to the direction of the vibration and the wire grid, will be utilized.
  • the metal wire grid array and the metal reflective film in the color polarization beam splitting sheet of the present invention can be directly formed on a glass or a transparent plastic sheet or other transparent substrate of a liquid crystal screen by a physical method such as a mature coating film or a photo-etching film. It is much easier than the color filters of the prior art. At the same time, the color filter and the polarizing plate on the light-incident side are eliminated, which also reduces the cost.
  • the color polarizing beam splitter of the present invention can be used to replace the polarizing plate on the light incident side to improve the contrast in the liquid crystal display.
  • the color filter 8 (see Fig. 4) can be discarded, its presence in the liquid crystal display device of the present invention may not be excluded.
  • the color polarization beam splitter of the present invention should be a single image number structure array, but if the light blocking problem around the liquid crystal image number is ignored at the same time, the single image metal wire grid array can be Connected to each other to form a whole, transformed into a whole piece of ordinary metal wire grid Polarized beam splitter. At this time, it should be regarded as a special form of the color polarizing beam splitter, and is not intended to limit the claims of the present invention.
  • the light source of the liquid crystal display device of the present invention is preferably an LED light source, but when a reflective bowl dot array is used, the backlight does not repel the light source outside the reflective bowl.
  • the liquid crystal panel and liquid crystal display device of the present invention are suitable for liquid crystal televisions, liquid crystal displays, projections and the like.
  • 1 is a schematic view showing the structure of a color polarization beam splitter.
  • FIG. 2 is a schematic structural view of a liquid crystal panel of the present invention.
  • FIG. 3 is another schematic structural view of a liquid crystal panel of the present invention.
  • FIG. 4 is a schematic structural view of a liquid crystal panel in the prior art.
  • FIG. 5 is a schematic view showing the operation of the light emitted by the light source in the liquid crystal display device of the present invention after being reflected by the reflective bowl and reaching the liquid crystal screen and being reflected.
  • Fig. 6 is a schematic view showing the operation of the light emitted by the light source in the liquid crystal display device of the present invention directly directed to the liquid crystal panel and reflected.
  • Figure 7-9 shows the principle of polarized light conversion.
  • FIG. 10 is a schematic structural view of a liquid crystal display device comprising a plurality of reflective bowl arrays and a liquid crystal panel. detailed description
  • Example 1 Refer to Figure 1-10.
  • a liquid crystal panel comprising a glass substrate 3, an ITO electrode 5, a liquid crystal 6 and a polarizing plate 7, wherein a color polarizing beam splitter 4 is disposed between the glass substrate 3 on the light incident side and the ITO electrode 5,
  • the other side of the ITO electrode 5 is provided with a liquid crystal 6, an ITO electrode 5, a glass substrate 3, and a polarizing plate 7 in this order; or a color is provided between the ITO electrode 5 and the liquid crystal 6 on the light incident side.
  • the polarizing beam splitter 4 is provided with an ITO electrode 5, a glass substrate 3 and a polarizing plate 7 on the other side of the liquid crystal 6; the color polarizing beam splitter 4 has an array of images, each image number having three sub-image numbers or a single
  • the pixel, the three sub-image numbers are respectively composed of the metal wire grid 1 which distinguishes the width and the period, and the three sub-image numbers are respectively in one-to-one correspondence with the red, green and blue sub-pixels in the liquid crystal display, and the single pixel is also composed of the metal wire grid 1
  • the single pixel has a one-to-one correspondence with the pixels in the liquid crystal display; the direction of the metal wire grid 1 has the same direction.
  • Example 2 In the liquid crystal panel of the first embodiment, a metal reflective film 2 is provided around the array of image numbers of the color polarizing beam splitter 4.
  • Example 3 A liquid crystal display device comprising the liquid crystal panel according to Embodiment 1 or 2, which comprises a backlight device and the liquid crystal panel 9 of Embodiment 1 or 2.
  • the backlight device is a liquid crystal backlight module having a light-emitting structure.
  • the backlight device is a reflective bowl 10
  • the reflective bowl 10 is a single reflective bowl 10 or a dot matrix composed of a plurality of reflective bowls 10.
  • Example 6 In the liquid crystal display device of the fifth embodiment, a light-transmitting plate is provided between the reflective bowl 10 and the color polarizing beam splitter 4.
  • the light-transmitting plate is a light-shading plate.

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Polarising Elements (AREA)
  • Liquid Crystal (AREA)
  • Optical Filters (AREA)

Abstract

L'invention concerne un écran à cristaux liquides (9) comprenant un substrat en verre (3), des électrodes ITO (5), un cristal liquide (6) et des plaques de polarisation (7). Cet écran d'affichage à cristaux liquides se caractérise en ce qu'un spectroscope de polarisation couleur (4) est disposé entre un substrat en verre (3) du côté entrée de lumière et une électrode ITO (5), ou entre une électrode ITO (5) côté entrée de lumière et un cristal liquide (6). Le spectroscope de polarisation couleur (4) comprend une matrice de pixels. Chaque pixel comprend trois sous-pixels ou un seul pixel. Les trois sous-pixels sont respectivement formés de grilles en fils métalliques (1) ayant une largeur et une période différentes. Les trois sous-pixels correspondent respectivement aux sous-pixels R, G et B dans l'affichage à cristaux liquides. Le pixel unique comprend également une grille en fils métalliques (1). Le pixel unique correspond au pixel dans l'affichage à cristaux liquides. Les directions des grilles en fils (1) sont identiques. L'invention concerne également un dispositif d'affichage à cristaux liquides.
PCT/CN2010/000385 2010-01-26 2010-03-26 Écran à cristaux liquides et dispositif d'affichage à cristaux liquides WO2011091556A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN201010113219.4 2010-01-26
CN201010113219 2010-01-26

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Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103325814B (zh) * 2013-05-28 2015-08-26 中国科学院上海高等研究院 一种oled像素及应用该oled像素的显示面板
CN104280889B (zh) * 2014-10-27 2016-08-31 京东方科技集团股份有限公司 一种3d显示器件及3d显示装置
CN104459863A (zh) 2014-12-04 2015-03-25 京东方科技集团股份有限公司 线栅偏光片及其制备方法、显示面板和显示装置
CN105572955A (zh) * 2016-02-24 2016-05-11 京东方科技集团股份有限公司 阵列基板及其制作方法、显示面板、触控面板
CN106547146A (zh) * 2017-01-22 2017-03-29 京东方科技集团股份有限公司 像素结构及其制造方法、阵列基板和显示装置
TWI673544B (zh) * 2018-05-09 2019-10-01 友達光電股份有限公司 顯示面板與含其的電子裝置
US20200012028A1 (en) * 2018-07-03 2020-01-09 Innolux Corporation Electronic device

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1900750A (zh) * 2005-07-19 2007-01-24 三星电子株式会社 混合型偏振器及其制造方法和具有其的显示装置
JP2008122761A (ja) * 2006-11-14 2008-05-29 Cheil Industries Inc 液晶表示装置
CN101354458A (zh) * 2007-07-25 2009-01-28 精工爱普生株式会社 线栅型偏振光元件及其制法、液晶装置及投射型显示装置
CN101551482A (zh) * 2009-01-24 2009-10-07 苏州大学 一种亚波长光栅结构彩色滤光片及其制作方法
JP2009300654A (ja) * 2008-06-12 2009-12-24 Asahi Kasei E-Materials Corp ワイヤグリッド偏光子及びそれを用いた表示装置

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6040807A (en) * 1993-11-15 2000-03-21 Sanyo Electric Co., Ltd. Three-dimensional display
CN1428628A (zh) * 2001-12-25 2003-07-09 邵剑心 一种液晶投影显示用的偏振转换器件及其制备方法
CN101063757A (zh) * 2006-04-28 2007-10-31 联诚光电股份有限公司 反射式单晶硅液晶面板
JP5133356B2 (ja) * 2008-01-23 2013-01-30 パナソニック株式会社 波長分離装置、これを用いた面状照明装置、及びこれを用いた液晶表示装置

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1900750A (zh) * 2005-07-19 2007-01-24 三星电子株式会社 混合型偏振器及其制造方法和具有其的显示装置
JP2008122761A (ja) * 2006-11-14 2008-05-29 Cheil Industries Inc 液晶表示装置
CN101354458A (zh) * 2007-07-25 2009-01-28 精工爱普生株式会社 线栅型偏振光元件及其制法、液晶装置及投射型显示装置
JP2009300654A (ja) * 2008-06-12 2009-12-24 Asahi Kasei E-Materials Corp ワイヤグリッド偏光子及びそれを用いた表示装置
CN101551482A (zh) * 2009-01-24 2009-10-07 苏州大学 一种亚波长光栅结构彩色滤光片及其制作方法

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CN101963719B (zh) 2012-04-04

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