WO2014121551A1 - Écran d'affichage à cristaux liquides, procédé de préparation et dispositif d'affichage associés - Google Patents

Écran d'affichage à cristaux liquides, procédé de préparation et dispositif d'affichage associés Download PDF

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Publication number
WO2014121551A1
WO2014121551A1 PCT/CN2013/073608 CN2013073608W WO2014121551A1 WO 2014121551 A1 WO2014121551 A1 WO 2014121551A1 CN 2013073608 W CN2013073608 W CN 2013073608W WO 2014121551 A1 WO2014121551 A1 WO 2014121551A1
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Prior art keywords
liquid crystal
crystal display
layer
substrate
electrode
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PCT/CN2013/073608
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English (en)
Chinese (zh)
Inventor
马国靖
杜玙璠
宋勇志
Original Assignee
京东方科技集团股份有限公司
北京京东方显示技术有限公司
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Publication of WO2014121551A1 publication Critical patent/WO2014121551A1/fr

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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
    • G02F1/1336—Illuminating devices
    • G02F1/13362—Illuminating devices providing polarized light, e.g. by converting a polarisation component into another one

Definitions

  • Liquid crystal display preparation method thereof, and display device
  • Embodiments of the present invention relate to a liquid crystal display, a method of fabricating the same, and a display device. Background technique
  • TFT-LCD Thin Film Transistor-Liquid Crystal Display
  • the LCD is a passive illumination type display. Since the liquid crystal molecules do not emit light themselves, in order to enable the LCD to display images properly, it is necessary to provide a light source with sufficient brightness and uniform distribution by using the backlight module.
  • the structure of the TFT-LCD can be as shown in FIG. 1 , and mainly includes two polarizing plates 11 , a color filter substrate 12 , an array substrate 13 , a liquid crystal layer 14 between the color filter substrate and the array substrate, and a backlight module 15 .
  • the backlight module 15 further includes a light guide plate 151, a reflective film 152, and a backlight 153.
  • Embodiments of the present invention provide a liquid crystal display, a method of fabricating the same, and a display device, which can reduce the peripheral structure of the display panel and reduce the thickness of the display panel.
  • a liquid crystal display panel includes a first substrate, a second substrate, and a liquid crystal layer between the first substrate and the second substrate.
  • a polarized light source assembly that emits polarized light toward a side of the first substrate is disposed outside the first substrate; and a polarizer is disposed on the second substrate.
  • a liquid crystal display panel includes a first liquid crystal display panel and a second liquid crystal display panel, and the first liquid crystal display panel and the second liquid crystal display panel are disposed The two liquid crystal display panels emit polarized light source components.
  • a display device including the liquid crystal display panel as described above is provided.
  • a method for fabricating a liquid crystal display panel including the steps of fabricating a polarized light source assembly, the polarized light source includes a first electrode, a second electrode, and the first electrode and the a polarizing photoluminescent layer between the second electrodes, the step of fabricating the polarized light source assembly comprising: forming an alignment layer in the polarizing photoluminescent layer on the first electrode; performing rubbing orientation on the alignment layer; The oriented alignment layer is coated with a polarized electroluminescent material to form a light-emitting layer in the polarized photoluminescent layer; the second electrode is formed on the light-emitting layer.
  • FIG. 1 is a schematic structural view of a liquid crystal display panel in the prior art
  • FIG. 2 is a schematic structural diagram of a liquid crystal display according to an embodiment of the present invention.
  • FIG. 3 is a schematic structural diagram of a polarized light source assembly in a liquid crystal display according to an embodiment of the present invention
  • FIG. 4 is a schematic structural diagram of another liquid crystal display provided by an embodiment of the present invention.
  • FIG. 5 is a schematic structural diagram of still another liquid crystal display screen according to an embodiment of the present invention. detailed description
  • Connected” or “connected” and the like are not limited to physical or mechanical connections, but may include electrical connections, whether direct or indirect.
  • “Upper”, “lower”, “left”, “right”, etc. are only used to indicate the relative positional relationship, and when the absolute position of the object to be described is changed, the relative positional relationship may also change accordingly.
  • the liquid crystal display panel provided by the embodiment of the present invention includes a first substrate 21, a second substrate 22, and a liquid crystal layer 23 between the first substrate 21 and the second substrate 22.
  • a polarized light source unit 24 that emits polarized light toward the first substrate 21 side is disposed outside the first substrate 21.
  • the outer side of the substrate specifically refers to the side away from the liquid crystal layer 23; correspondingly, the inner side of the substrate specifically refers to the side close to the liquid crystal layer 23.
  • a polarizer 25 is disposed on the second substrate 22.
  • the polarizer 25 may be disposed outside the second substrate 22, that is, away from the side of the liquid crystal layer 23.
  • the polarized light source assembly can emit polarized light in an energized state.
  • the above structure can directly generate linearly polarized light to replace the conventional backlight, and there is no need to provide a polarizer between the backlight and the display structure, thereby reducing the hierarchical structure while reducing the peripheral structure of the display screen, and significantly reducing the display screen. thickness of.
  • the polarized light source assembly 24 may include a first electrode 241, a second electrode 242, and a polarized photoluminescent layer 243 between the first electrode 241 and the second electrode 242.
  • the polarized photoluminescent layer 243 can emit polarized light; at least one of the first electrode 241 and the second electrode 242 is a transparent electrode, and the transparent electrode is adjacent to one side of the liquid crystal layer 23.
  • the first electrode 241 and the second electrode 242 may each be made of a transparent conductive material including indium tin oxide (ITO) or indium oxide (IZO); the first electrode 241 may be an anode, and the second electrode 242 may be a cathode. .
  • ITO indium tin oxide
  • IZO indium oxide
  • the polarized light source assembly 24 is in the energized state, the polarized light emitted from the polarized photoluminescent layer 243 can provide backlight to the liquid crystal display structure through the transparent electrode on one side.
  • the electrodes on both sides of the polarizing photoluminescent layer 243 can also be transparent electrodes, so that the two sides of the polarized light source assembly 24 can be lighted out, and the backlight can be provided on both sides of the backlight, thereby increasing the backlight.
  • the light source rate meets the requirements of the double-sided display of the display panel. begging.
  • the polarized photoluminescence layer 243 may include an alignment layer 2431 and a light-emitting layer 2432 formed on the surface of the alignment layer 2431.
  • the alignment layer 2431 can be made of a conductive plastic material.
  • the electrically conductive plastic material may comprise a transparent electrically conductive plastic material, for example, at least one of polyaniline, poly 3,4-ethylenedioxythiazide or polystyrenesulfonic acid.
  • a hole polyaniline (PANI) material may be used to form a film, and then the surface of the PANI film is treated by a rubbing alignment process to obtain an orientation layer 2431 having an orientation direction.
  • the light-emitting layer 2432 can be made of a polarized electroluminescent material.
  • the polarized electroluminescent material may comprise a fluorenyl polymer, for example a fluorenyl polymer comprising 9,9-dioctyl polyfluorene-benzothiadiazole alternating copolymer (PFBT), 9,9-dioctyl hydrazine- At least one of 4,7-dithiaxo-2,1,3-benzothiadiazole-2,l,3-benzothiadiazole (PFO-BT-DBT).
  • PFBT 9,9-dioctyl polyfluorene-benzothiadiazole alternating copolymer
  • PFO-BT-DBT 4,7-dithiaxo-2,1,3-benzothiadiazole-2,l,3-benzothiadiazole
  • the light-emitting layer 2432 may be made of a ruthenium-based polymer material having polarized electroluminescence properties, and the ruthenium-based polymer and the derivative copolymer thereof have thermotropic liquid crystal properties in a molecular structure, and thus are formed of a ruthenium-based polymer material.
  • the luminescent layer 2432 can achieve an ordered arrangement of molecules through the alignment layer 2431 having a certain orientation direction. In the energized state, the ordered array of fluorenyl polymer material molecules can achieve polarization luminescence.
  • the polarized light source assembly 24 may further include: a first insulating layer 244 located outside the first electrode 241 and a second insulating layer 245 located outside the second electrode 242. Further, at least one of the first insulating layer 244 and the second insulating layer 245 is a transparent insulating layer, and the transparent insulating layer is adjacent to one side of the liquid crystal layer. Such a transparent insulating layer can effectively improve the light extraction efficiency of the polarized light source unit 24 while improving the life of the light source. The use of a transparent insulating layer on both the first insulating layer 244 and the second insulating layer 245 allows both sides of the light source to be emitted, making double-sided display of the display screen possible.
  • the insulating layer may be made of any known insulating material; the transparent insulating layer may be made of any known transparent insulating material.
  • the transparent insulating layer may be made of glass or a transparent resin material.
  • the embodiment of the present invention further provides a liquid crystal display panel, as shown in FIG. 4, comprising a first liquid crystal display panel and a second liquid crystal display panel, wherein the first liquid crystal display panel and the second liquid crystal display panel are disposed to
  • the liquid crystal display panel emits a polarized light source assembly 24 that is polarized.
  • the first electrode 241 and the second electrode 242 of the polarized light source assembly 24 that can emit polarized light to both liquid crystal display panels are transparent electrodes; the first insulating layer 244 and the second insulating layer 245 are both transparent insulating layers.
  • the structure of the first liquid crystal display panel may be as shown in FIG. 2, and includes a first substrate 21, a second substrate 22, and a liquid crystal layer 23 between the first substrate 21 and the second substrate 22.
  • the structure of the second liquid crystal display panel may refer to the structure of the first liquid crystal display panel, and may further include: a third substrate 26 located on the other side of the polarized light source unit 24.
  • the fourth substrate 27 and the third substrate 26 are disposed opposite to each other to form a liquid crystal cell, and the liquid crystal layer 23 is provided between the fourth substrate 27 and the third substrate 25.
  • a polarizer 28 is disposed outside the fourth substrate 27.
  • a liquid crystal display structure is formed on both sides of the polarized light source unit, and the two liquid crystal display structures on both sides of the polarized light source unit can be the same. This ensures that the linearly polarized light emitted by the polarized light source component can be emitted from both sides, thereby realizing double-sided display of the liquid crystal display.
  • the liquid crystal display panel of the embodiment of the invention includes a first liquid crystal display panel and a second liquid crystal display panel, and the first liquid crystal display panel and the second liquid crystal display panel are disposed to be sent to the two liquid crystal display panels A polarized light source assembly.
  • the polarized light source assembly can emit polarized light when the power is on.
  • This structure can directly produce linearly polarized light to replace the traditional backlight, and there is no need to provide a polarizer between the backlight and the display structure, thereby reducing the hierarchical structure while reducing the surrounding structure of the display screen, and significantly reducing the display.
  • the thickness of the screen can achieve a double-sided display effect, and has a smaller hierarchical structure than the existing two-sided display screen, further reducing the overall thickness of the double-sided display screen.
  • the first substrate and the second substrate in the first liquid crystal display panel may be an array substrate or a color film substrate, respectively; likewise, the third substrate and the second in the second liquid crystal display panel
  • the four substrates may also be array substrates or color film substrates, respectively.
  • the array substrate can be any one of the existing structures, and the present invention is not limited thereto.
  • the array substrate may be an array substrate of an FFS (Fringe Field Switching) type, or an array substrate of an ADS (Advanced-Super Dimensional Switching) type may be used.
  • FFS Flexible Field Switching
  • ADS Advanced-Super Dimensional Switching
  • the description can be made by taking an ADS type array substrate as an example.
  • ADS technology is a parallel electric field generated by the edge of a pixel electrode in the same plane and a pixel
  • the longitudinal electric field generated between the electrode layer and the common electrode layer disposed in the different layer forms a multi-dimensional electric field, so that all the aligned liquid crystal molecules between the pixel electrodes in the liquid crystal cell and directly above the electrode can be rotated, thereby improving the working efficiency of the planar orientation liquid crystal. Increased light transmission efficiency.
  • the different layer arrangement is for at least two patterns, and the at least two pattern different layer arrangement means that at least two layers of the film are respectively formed into at least two patterns by a patterning process. For the two-pattern different layer arrangement, it is meant that a pattern is formed by each of the two films by a patterning process.
  • the common electrode and the pixel electrode different layer arrangement means that the lower layer electrode is formed by the patterning process from the first layer of the transparent conductive film, and the upper layer electrode is formed by the patterning process by the second layer of the transparent conductive film.
  • the lower electrode is a common electrode (or a pixel electrode), and the upper electrode is a pixel electrode (or a common electrode).
  • the first substrate 21 and the third substrate 26 are array substrates of the ADS mode, as shown in FIG. 5, the first substrate 21 and the third substrate 26 may include comb-shaped pixel electrodes 51 and combs disposed in different layers. Common electrode 52. For example, an insulating layer 53 is provided between the pixel electrode 51 and the common electrode 52.
  • the relationship between the upper and lower layers of the pixel electrode 51 and the common electrode 52 is not limited. It can be understood that, in the array substrate shown in Fig. 5, the pixel electrode 51 is located on the outer layer of the common electrode 52 as an example.
  • the first substrate 21 and the third substrate 26 have a first passivation layer 54 near the liquid crystal side surface. This can effectively isolate the array substrate and the liquid crystal, thereby preventing the influence of the liquid crystal molecules on the array substrate, and ensuring the quality of the display device.
  • the second substrate 22 and the fourth substrate 27 are color film substrates, and the second substrate 22 and the fourth substrate 27 may include, for example, a transparent substrate 55, one side of which may be disposed. There is a polarizer, and the other side is provided with a color filter layer 56.
  • the second substrate 22 may be located above the polarized light source assembly 24, and the fourth substrate 27 may be located below the polarized light source assembly 24, the second substrate 22 and the fourth substrate 27 Each has a transparent substrate 55.
  • a polarizing plate 25 is disposed on the upper surface of the transparent substrate 55 in the second substrate 22, and a color filter layer 56 is disposed on the lower surface thereof, and the fourth substrate 27 can be symmetrically disposed with the second substrate 22, that is, the transparent substrate of the fourth substrate 27.
  • a polarizing plate 28 is disposed on the lower surface of the 55, and a color filter layer 56 is disposed on the upper surface thereof.
  • the transparent substrate 55 may be made of a known transparent material such as glass or resin
  • the color filter layer 56 may be respectively formed with a color filter structure of three colors of red, green and blue (RGB) and a black matrix region. .
  • the other side of the color filter layer 56 may have a second passivation layer 57. This can effectively separate The color film substrate and the liquid crystal are separated, thereby preventing the influence of the liquid crystal molecules on the color filter substrate, and the quality of the display device is ensured.
  • the polarized light source assembly can directly generate linearly polarized light to replace the conventional backlight, and there is no need to provide a polarizer between the polarized light source assembly and the two display structures, thereby squeezing the peripheral structure of the display panel.
  • the hierarchical structure of the double-sided display liquid crystal display is reduced, and the thickness of the double-sided display liquid crystal display is significantly reduced.
  • Embodiments of the present invention provide a display device including any one of the above liquid crystal displays.
  • the display device can be any product or component having a display function such as a mobile phone, a tablet computer, a television, a display, a notebook computer, a camera, a video camera, a digital photo frame, a navigator, and the like.
  • the embodiment of the invention further provides a method for preparing a liquid crystal display panel, which comprises the following steps:
  • a polarized light source assembly is fabricated, the polarized light source comprising a first electrode, a second electrode, and a polarized photoluminescent layer between the first electrode and the second electrode.
  • one example of the step of fabricating the polarized light source assembly may include the following steps: S701, forming an alignment layer in the polarized photoluminescent layer on the first electrode.
  • the liquid crystal display panel of the embodiment of the present invention includes a first substrate, a second substrate, and a liquid crystal layer between the first substrate and the second substrate, and the outer side of the first substrate is provided with a A polarized light source assembly that emits polarized light on one side of the substrate; and a polarizer on the second substrate.
  • the polarized light source assembly can emit polarized light.
  • This structure can directly produce linearly polarized light to replace the traditional backlight, and there is no need to provide a polarizer between the backlight and the display structure, thereby reducing the hierarchical structure while reducing the surrounding structure of the display screen, and significantly reducing the display.
  • the thickness of the screen is not limited to provide a polarizer between the backlight and the display structure.
  • the first electrode and the second electrode may each be made of a transparent conductive material including indium tin oxide (ITO) or indium oxide (IZO), the first electrode may be an anode, and the second electrode may be a cathode.
  • ITO indium tin oxide
  • IZO indium oxide
  • the first electrode may be an anode
  • the second electrode may be a cathode.
  • the electrodes on both sides of the polarizing photoluminescent layer may also be transparent electrodes, so that the polarized light source assembly can be realized. Both sides of the light supply, a backlight can provide backlight on both sides, thus increasing the backlight output rate while meeting the requirements of the display panel double-sided display.
  • the alignment layer can be made of a conductive plastic material.
  • the conductive plastic material may comprise a transparent conductive plastic material, for example, at least one of polyaniline, poly 3,4-ethylenedioxythiophene or polystyrene sulfonic acid.
  • a film of a polyaniline (PANI) material may be used to form a film, and the surface of the PANI film is treated by a rubbing alignment process to obtain an alignment layer 2431 having an orientation direction.
  • the light-emitting layer 2432 can be made of a polarized electroluminescent material.
  • the polarized electroluminescent material may comprise a fluorenyl polymer, for example a fluorenyl polymer comprising 9,9-dioctyl polyfluorene-benzothiadiazole alternating copolymer (PFBT), 9,9-dioctyl hydrazine- At least one of materials such as 4,7-dithiophene-2,1,3-benzothiadiazole-2,l,3-benzothiadiazole (PFO-BT-DBT).
  • PFBT 9,9-dioctyl polyfluorene-benzothiadiazole alternating copolymer
  • PFO-BT-DBT 9,9-dioctyl hydrazine- At least one of materials such as 4,7-dithiophene-2,1,3-benzothiadiazole-2,l,3-benzothiadiazole
  • the light-emitting layer 2432 may be made of a ruthenium-based polymer material having polarized electroluminescence properties, and the ruthenium-based polymer and the derivative copolymer thereof have thermotropic liquid crystal properties in a molecular structure, and thus are formed of a ruthenium-based polymer material.
  • the luminescent layer 2432 can achieve an ordered arrangement of molecules through the alignment layer 2431 having a certain orientation direction. In the energized state, the ordered array of fluorenyl polymer material molecules can achieve polarization luminescence.
  • the polarized light source assembly may further include: a first insulating layer located outside the first electrode and a second insulating layer located outside the second electrode. At least one of the first insulating layer and the second insulating layer is a transparent insulating layer which is adjacent to one side of the liquid crystal layer.
  • the first insulating layer and the second insulating layer may also be transparent insulating layers, so that the two-side light transmission of the polarized light source assembly can be realized, which satisfies the requirements of the double-sided display of the display panel.
  • the insulating layer may be made of any known insulating material; the transparent insulating layer may be made of any known transparent insulating material.
  • both the first insulating layer and the second insulating layer may be made of glass or a transparent resin material.
  • a transparent insulating layer on the outer side of the polarized light source component, the transparent substrate adjacent to the backlight side of the liquid crystal display structure can be replaced, thereby further reducing the thickness of the liquid crystal display panel on the basis of ensuring the quality of the liquid crystal display.
  • the liquid crystal display manufacturing method further includes the following steps:
  • the method may further include the following steps:
  • the structure of the first liquid crystal display panel can be as shown in FIG. 2, including the first substrate 21 and the second substrate. 22 and a liquid crystal layer 23 between the first substrate 21 and the second substrate 22.
  • the structure of the second liquid crystal display panel may refer to the structure of the first liquid crystal display panel, and may include, for example, a third substrate 26 located on the other side of the polarized light source assembly 24.
  • the fourth substrate 27 and the third substrate 26 are opposed to each other to form a liquid crystal cell, and the liquid crystal layer 23 is provided between the fourth substrate 27 and the third substrate 25.
  • a polarizing plate 28 is disposed on the outer side of the fourth substrate 27.
  • a liquid crystal display structure is formed on both sides of the polarized light source assembly.
  • the two liquid crystal display structures on both sides of the polarized light source component can be the same, so that the linearly polarized light emitted by the polarized light source component can be separately emitted from both sides, thereby realizing double-sided display of the liquid crystal display.
  • the structure can directly generate linearly polarized light to replace the traditional backlight, and there is no need to provide a polarizer between the backlight and the display structure, thereby squeezing the peripheral structure of the display screen.
  • the hierarchical structure is reduced, which significantly reduces the thickness of the display.
  • the liquid crystal display of such a structure can achieve a double-sided display effect, and has a smaller hierarchical structure than the existing two-sided display screen, further reducing the overall thickness of the double-sided display screen.
  • the first substrate and the second substrate in the first liquid crystal display panel may be an array substrate or a color film substrate, respectively; likewise, the third substrate and the second in the second liquid crystal display panel
  • the four substrates may also be array substrates or color film substrates, respectively.
  • the pixel structure in the liquid crystal display panel is a twisted nematic TN type, an in-plane switch IPS type or an advanced super-dimensional field switch ADS type.
  • the invention is not limited thereto.
  • the array substrate may be an FFS type array substrate, or an ADS type array substrate may be used.
  • an ADS type array substrate may be used as an example.
  • the first substrate 21 and the third substrate 26 are array substrates of the ADS mode, as shown in FIG. 5, the first substrate 21 and the third substrate 26 may include comb-shaped pixel electrodes 51 and combs disposed in different layers. Common electrode 52. For example, an insulating layer 53 is provided between the pixel electrode 51 and the common electrode 52.
  • the relationship between the upper and lower layers of the pixel electrode 51 and the common electrode 52 is not limited. It can be understood that, in the array substrate shown in Fig. 5, the description is made by taking the outer layer of the pixel electrode 51 at the common electrode 52 as an example.
  • the first substrate 21 and the third substrate 26 have a first passivation layer 54 near the liquid crystal side surface. This can effectively isolate the array substrate and the liquid crystal, thereby preventing the influence of the liquid crystal molecules on the array substrate, and ensuring the quality of the display device.
  • the second substrate 22 and the fourth substrate 27 are color film substrates, and the second substrate 22 and the fourth substrate 27 may specifically include: a transparent substrate 55, one side of which may be disposed There is a polarizer, and the other side is provided with a color filter layer 56.
  • the second substrate 22 may be located above the polarized light source assembly 24, and the fourth substrate 27 may be located below the polarized light source assembly 24, the second substrate 22 and the fourth substrate 27 Each has a transparent substrate 55.
  • a polarizing plate 25 is disposed on the upper surface of the transparent substrate 55 in the second substrate 22, and a color filter layer 56 is disposed on the lower surface thereof, and the fourth substrate 27 can be symmetrically disposed with the second substrate 22, that is, the transparent substrate of the fourth substrate 27.
  • a polarizing plate 28 is disposed on the lower surface of the 55, and a color filter layer 56 is disposed on the upper surface thereof.
  • the transparent substrate 55 may be made of a known transparent material such as glass or resin, and a color filter structure of three colors of red, green, and blue (RGB) and a black matrix region may be formed in the color filter layer 56, respectively.
  • the other side of the color filter layer 56 may have a second passivation layer 57. This can effectively isolate the color filter substrate and the liquid crystal, thereby preventing the influence of the liquid crystal molecules on the color filter substrate, and ensuring the quality of the display device.
  • the polarized light source assembly of such a structure can directly generate linearly polarized light to replace the conventional backlight, and there is no need to provide a polarizer between the polarized light source assembly and the two display structures, thereby squeezing the peripheral structure of the display panel.
  • the hierarchical structure of the double-sided display liquid crystal display is reduced, which significantly reduces the thickness of the double-sided display liquid crystal display.

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

Abstract

L'invention concerne un écran d'affichage à cristaux liquides, un procédé de préparation et un dispositif d'affichage associés. L'écran d'affichage à cristaux liquides comprend un premier substrat (21), un second substrat (22) et une couche de cristaux liquides (23) située entre le premier substrat (21) et le second substrat (22). Un ensemble source de lumière de polarisation (24) capable d'émettre une lumière de polarisation vers un côté du premier substrat (21) est prévu sur un côté externe du premier substrat (21), et un polariseur (25) est prévu sur le second substrat.
PCT/CN2013/073608 2013-02-06 2013-04-02 Écran d'affichage à cristaux liquides, procédé de préparation et dispositif d'affichage associés WO2014121551A1 (fr)

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CN201310048735.7A CN103091898B (zh) 2013-02-06 2013-02-06 液晶显示屏及其制备方法、显示装置
CN201310048735.7 2013-02-06

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CN104391407B (zh) * 2014-12-15 2017-04-05 京东方科技集团股份有限公司 显示装置以及显示装置的显示方法
CN105810843B (zh) * 2016-03-15 2018-03-13 深圳市华星光电技术有限公司 发光器件、背光模组及显示装置
CN105938280A (zh) * 2016-06-24 2016-09-14 京东方科技集团股份有限公司 一种双面显示器及显示装置
JP6915977B2 (ja) * 2016-10-14 2021-08-11 株式会社半導体エネルギー研究所 表示パネル、表示装置、入出力装置、情報処理装置
CN108983515B (zh) * 2018-10-12 2022-04-22 京东方科技集团股份有限公司 一种液晶显示器件及其制备方法和显示装置

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