CN103345016A - Light guide plate and manufacturing method thereof, backlight source and transparent display device - Google Patents
Light guide plate and manufacturing method thereof, backlight source and transparent display device Download PDFInfo
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- CN103345016A CN103345016A CN2013102600053A CN201310260005A CN103345016A CN 103345016 A CN103345016 A CN 103345016A CN 2013102600053 A CN2013102600053 A CN 2013102600053A CN 201310260005 A CN201310260005 A CN 201310260005A CN 103345016 A CN103345016 A CN 103345016A
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- 239000000463 material Substances 0.000 claims abstract description 15
- 230000003098 cholesteric effect Effects 0.000 claims abstract description 14
- 229920002521 macromolecule Polymers 0.000 claims abstract description 5
- 239000004973 liquid crystal related substance Substances 0.000 claims description 16
- 239000000178 monomer Substances 0.000 claims description 14
- 239000002608 ionic liquid Substances 0.000 claims description 13
- 238000000034 method Methods 0.000 claims description 13
- 229920000642 polymer Polymers 0.000 claims description 13
- 230000000087 stabilizing effect Effects 0.000 claims description 12
- 238000007598 dipping method Methods 0.000 claims description 8
- 239000004992 Ionic Liquid Crystal Substances 0.000 claims description 7
- 238000009413 insulation Methods 0.000 claims description 6
- 229920003229 poly(methyl methacrylate) Polymers 0.000 claims description 6
- 239000004926 polymethyl methacrylate Substances 0.000 claims description 6
- 239000004925 Acrylic resin Substances 0.000 claims description 4
- 239000004988 Nematic liquid crystal Substances 0.000 claims description 4
- 239000004990 Smectic liquid crystal Substances 0.000 claims description 4
- NIXOWILDQLNWCW-UHFFFAOYSA-M acrylate group Chemical group C(C=C)(=O)[O-] NIXOWILDQLNWCW-UHFFFAOYSA-M 0.000 claims description 4
- 239000000969 carrier Substances 0.000 claims description 4
- 239000003822 epoxy resin Substances 0.000 claims description 4
- 230000003287 optical effect Effects 0.000 claims description 4
- 229920000647 polyepoxide Polymers 0.000 claims description 4
- 230000008901 benefit Effects 0.000 abstract description 13
- 239000000758 substrate Substances 0.000 abstract description 7
- 238000005286 illumination Methods 0.000 abstract 1
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- 230000008569 process Effects 0.000 description 5
- 238000002360 preparation method Methods 0.000 description 4
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- 238000010586 diagram Methods 0.000 description 3
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- MRNHPUHPBOKKQT-UHFFFAOYSA-N indium;tin;hydrate Chemical compound O.[In].[Sn] MRNHPUHPBOKKQT-UHFFFAOYSA-N 0.000 description 1
- 238000007641 inkjet printing Methods 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
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- YVTHLONGBIQYBO-UHFFFAOYSA-N zinc indium(3+) oxygen(2-) Chemical compound [O--].[Zn++].[In+3] YVTHLONGBIQYBO-UHFFFAOYSA-N 0.000 description 1
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/0001—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems
- G02B6/0011—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems the light guides being planar or of plate-like form
- G02B6/0065—Manufacturing aspects; Material aspects
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/0001—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems
- G02B6/0011—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems the light guides being planar or of plate-like form
- G02B6/0033—Means for improving the coupling-out of light from the light guide
- G02B6/005—Means for improving the coupling-out of light from the light guide provided by one optical element, or plurality thereof, placed on the light output side of the light guide
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- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Planar Illumination Modules (AREA)
Abstract
The invention discloses a light guide plate and a manufacturing method thereof, a backlight source and a transparent display device. The light guide plate, the backlight source and the transparent display device are designed for solving the problems that size is large and carrying is not convenient due to the fact that a lamp box is used in the transparent display device for illumination. The light guide plate comprises a first transparent substrate and a second transparent substrate which are oppositely arranged, transparent electrodes are arranged on the opposite faces of the first transparent substrate and the second substrate, and a macromolecule stable cholesteric phase material layer is arranged between the two transparent substrates. The light guide plate and the manufacturing method thereof, the backlight source and the transparent display device have the advantages of being simple in structure, convenient to manufacture and use, small in size and weight, high in light effective utilization rate, good in brightness uniformity and the like.
Description
Technical field
The present invention relates to the demonstration field, relate in particular to a kind of light guide plate and preparation method thereof, backlight and transparent display.
Background technology
Transparent display shows image at display screen when applying voltage, and the transmission display screen can not seen the object at the display screen back side when applying voltage, generally is that LCD or the OLED of high permeability prepares transparent display.
Transparent display is to rely on the lamp box that is positioned at the display screen top to provide to show the required light of image at present, and the volume of lamp box is big usually, weight is big, and it is little to produce volume, portable transparent display.
Summary of the invention
(1) goal of the invention
At the problems referred to above, the present invention aims to provide a kind of can be used for reducing high light guide plate of transparent display volume and transmissivity and preparation method thereof, backlight and transparent display.
(2) technical scheme
For reaching above-mentioned purpose, light guide plate of the present invention comprises first transparency carrier and second transparency carrier that are oppositely arranged; Described first transparency carrier and described second transparency carrier are equipped with transparency electrode at opposite face, and are provided with stabilizing polymer cholesteric phase material layer between two transparency carriers.
Preferably, described stabilizing polymer cholesteric phase material layer comprises chiral ionic liquid, liquid crystal and polymerisable monomer;
Wherein, described liquid crystal is nematic liquid crystal or smectic liquid crystal.
Preferably, described polymerisable monomer is acrylate or epoxy resin.
For reaching above-mentioned purpose, backlight of the present invention, comprise aforesaid light guide plate and with the suitable driving of described light guide plate.
Further, also comprise light source and the heat-insulation transparent plate between described light guide plate and described light source in described light guide plate side.
Further, described heat-insulation transparent plate is the optical sheet that comprises polymethylmethacrylate.
Further, be not equipped with reflecting plate towards the bright dipping side direction of described light guide plate at described light source.
For reaching above-mentioned purpose, transparent display of the present invention comprises aforesaid backlight.
Particularly, also comprise the transparent display panel that is positioned at described backlight bright dipping side;
Further, described display panel region is the viewing area, and described light guide plate covers described viewing area fully from the bright dipping side of backlight.
For reaching above-mentioned purpose, the method for making of light guide plate of the present invention comprises following making step:
Step 1: on the opposite face of first transparency carrier and second transparency carrier, all form transparency electrode;
Step 2: between described first transparency carrier and described second transparency carrier, form stabilizing polymer cholesteric phase material layer;
Step 3: seal described stabilizing polymer cholesteric phase material layer.
Particularly, described step 2 comprises
Step 2.1: between described first transparency carrier and described second transparency carrier, fill chiral ionic liquid, liquid crystal and polymerisable monomer;
Step 2.2: adopt the described chiral ionic liquid of ultraviolet curing, liquid crystal and polymerisable monomer, make between described liquid crystal molecule and form macromolecule network, thereby form stabilizing polymer cholesteric phase material layer.
(3) beneficial effect of light guide plate of the present invention and preparation method thereof, backlight and transparent display
First: light guide plate of the present invention is with respect to traditional light guide plate, be not transparence applying voltage, can provide required white background behind the voltage having applied, thereby can be used for forming transparent display, thereby increase the structure that is used for forming transparent display;
Second: light guide plate of the present invention by transmission be scattered in the effect of the change light transmission direction that has played traditional light guide plate when applying voltage, and then guiding light, provides the light source of high-transmission rate and good uniformity for transparent display; Adopt big, the bulky lamp box of swept area with respect to traditional transparent display for the homogeneity that guarantees light source, have little, the simple and light advantage of volume.
The 3rd: the backlight that adopts light guide plate provided by the invention to make, because the scattering of stabilizing polymer cholesteric phase material layer has light transmission rate height, the advantage that homogeneity is good when work.
Comprehensively above-mentioned, the light guide plate of the method for making made of light guide plate of the present invention, light guide plate of the present invention, backlight of the present invention all have the transmitance height, volume is little, simple and light advantage, thereby the transparent display by light guide plate made of the present invention, it is little, in light weight to have volume, easy to carry, satisfied present transparent display, the development trend of slimming, lightweight and portability.
Description of drawings
Fig. 1 is the side structure synoptic diagram of the embodiment of the invention one described light guide plate;
Fig. 2 is the side structure synoptic diagram of the embodiment of the invention six described transparent displays;
Fig. 3 is the top plan view of the described transparent display of Fig. 2 of the present invention;
Fig. 4 is the process flow diagram of the method for making of the embodiment of the invention eight described light guide plate.
Embodiment
Be described further below in conjunction with Figure of description and the light guide plate of the present invention of embodiment and method processed, backlight and transparent display.
Stabilizing polymer cholesteric phase material (PSCT, Polymer Stabilized Cholesteric Texture):
PSCT is the potpourri that adds chiral ionic liquid and polymerisable monomer in liquid crystal; Be formed with macromolecule network in the liquid crystal after solidifying, thereby realize transmission state and the scattering states of electric field controls.Under the DC electric field effect, chiral ionic liquid moves to electrode, focal conic texture occurs, shows scattering states.When not applying electric field, show transmissive state.Institute's making alive difference, the diffusion difference of chiral ionic liquid, thus reflection wave is wide also different, and transmitance is also different.Apply the intensity of electric field by adjusting, can regulate the transmitance of negative liquid crystal, thereby demonstrate any color.
Embodiment one:
As shown in Figure 1, the present embodiment light guide plate comprises first transparency carrier 1 and second transparency carrier 2 that are oppositely arranged; Described first transparency carrier 1 is equipped with transparency electrode with described second transparency carrier 2 at opposite face, and is provided with PSCT layer 3 between two transparency carriers.
The upper surface of the lower surface of described first transparency carrier 1, described second transparency carrier 2 is equipped with transparency electrode; In when work, make between transparency electrode and the transparency electrode on second transparency carrier 2 on described first transparency carrier 1 and produce voltage difference, thereby reach the purpose that applies voltage to described PSCT layer, thereby change the transmitance of PSCT layer, the conduction of realization light.In this simultaneously, when not applying voltage or first transparent electrode on transparent substrate and second transparent electrode on transparent substrate and apply same magnitude of voltage to described transparency electrode, described PSCT layer is transparence, sees through described PSCT layer and can see its object behind, and have the high advantage of transmittance.Can be the ITO(tin indium oxide in transparency electrode described in the concrete implementation process) electrode, IZO(indium zinc oxide) electrode etc.Adopt the ITO electrode, possess skills ripe, easy to use, drawing materials advantage such as makes things convenient for.
Described transparency electrode all can be holistic electrode, is laid on the opposite face of described first transparency carrier 1 and second transparency carrier 2, also the electrode matrix that is made of several little electrically conducting transparent unit.In the concrete implementation process, be configured as required.
The described light guide plate of present embodiment, under the cooperation of light source, provide the brightness homogeneity good backlight by scattering (as providing white background to transparent display), when need not to show, keep the good transparency by transmission, thereby can replace the lamp box that traditional volume is big, area is big, quality is big, and it is little to have volume, the compact conformation dexterity, the advantage that is easy to carry about with one.
Embodiment two:
The present embodiment light guide plate comprises first transparency carrier and second transparency carrier that are oppositely arranged; Described first transparency carrier and described second transparency carrier are equipped with transparency electrode at opposite face, and are provided with the PSCT layer between two transparency carriers.Common described PSCT layer comprises chiral ionic liquid, liquid crystal and polymerisable monomer; And in the present embodiment, described liquid crystal is preferably nematic liquid crystal or smectic liquid crystal.
Select nematic liquid crystal or smectic liquid crystal for use, be conducive to improve light transmission rate.
As the further improvement of present embodiment, described polymerisable monomer is preferably acrylate or epoxy resin.Adopt acrylate or epoxy resin, further be conducive to improve light transmission rate.
Embodiment three:
The present embodiment backlight, comprise light source, as embodiment one or embodiment two arbitrary described light guide plate and with as described in the suitable driving of light guide plate.
The described backlight of present embodiment adopts light guide plate of the present invention, because whether light guide plate of the present invention presents the degree of scattering state and scattering state, be to determine by being added in PSCT layer voltage up and down, so the described backlight of present embodiment has also disposed the driving suitable with backlight of the present invention when having adopted light guide plate of the present invention;
Described driving can be simple drive circuit, also comprises the driving circuit of power supply, can also be to comprise that circuit such as external power place in circuit, transformer, controller connect and integrated drive electronics.Can determine whether to make described light guide plate to be operated in scattering state by whether powering to described light guide plate, thereby provide white background and light source for the display screen that is mated work.
The described backlight of present embodiment can be side entrance back (being the side that light source is arranged on described light guide plate), also the traditional light guide plate of direct-type backlight replacement is applied in the nontransparent display device, in display device such as existing LCD TV, panel computer, e-book.The light guide plate that is applied in the backlight of nontransparent display device applies voltage when display device is worked, present scattering state, for display device provides homogeneity good backlight.
Embodiment four:
The present embodiment backlight, comprise light source, as embodiment one or embodiment two arbitrary described light guide plate and with as described in the suitable driving of light guide plate.
Described light source can be the CCFL(cold cathode fluorescent lamp) or the LED(light emitting diode);
Described light source is positioned at the side of described light guide plate, and is provided with the heat-insulation transparent plate between described light guide plate and described light source.Easily form high temperature during light source works, temperature is too high or high-temperature duration is long, to cause the liquid crystal in the PSCT layer to lose liquid crystal phase and become isotropy, thereby cause the work of PSCT layer bad, in order to address the above problem, introduced transparent thermal baffle in the present embodiment, transparent thermal baffle has prevented that the heat of light source is directly to described light guide plate conduction, adopt transparent panel to be conducive to the transmission of the light that light source sends simultaneously, keep good light transmission rate.
Further improve as present embodiment, described heat-insulation transparent plate is the optical sheet that comprises polymethylmethacrylate (PMMA).PMMA is commonly called as organic glass, is the main material of existing light guide plate, adopts the optical sheet comprise PMMA, and the light that can as much as possible light source be penetrated is to light guide plate transmission of the present invention, thereby has guaranteed higher light source utilization factor.
Embodiment five:
Present embodiment has been made further improvement on the basis of embodiment three or embodiment four, specific as follows, is not equipped with reflecting plate towards the bright dipping side (being the divergence of beam direction) of described light guide plate at described light source.
When light source is led light source as described, led light source comprises the lamp bar and is fixed on LED on the lamp bar, LED deviates from described lamp bar direction and is the direction of its divergence of beam, and when it is positioned at described light guide plate side, when namely being positioned at same surface level with described light guide plate, it will form light leak in two sides up and down, thereby reduced the effective rate of utilization of light source, so effective rate of utilization for the light that guarantees light source, towards the divergence of beam side of described light guide plate reflecting plate is not set all at light source,, and finally outwards conduct from described light guide plate light source reflected back light source place by reflecting plate.
Described reflecting plate can be the reflecting plate that the polylith of the independent setting on each direction separates, and also can be interconnected to form reflection cambered surface or curved surface.Especially can adopt the reflection cambered surface of a side opening during for CCFL when described light source, described opening and described light guide plate are oppositely arranged.
Comprehensively above-mentioned, backlight of the present invention, when applying voltage, light guide plate be not transparence, apply and open light source behind the voltage white background can be provided, when being used for forming transparent unit, it is little to have a volume, quality is light, portable advantage, and itself have simple in structurely, make advantage easy to use.
Embodiment six:
The present embodiment transparent display comprises three to embodiment five arbitrary described backlights as embodiment.
As Fig. 2-shown in Figure 3, shown in backlight comprise light guide plate 12, the light source 13(and the described light source of present embodiment that are positioned at the light guide plate side be made up of some LED), be positioned at light source and two sides prevent reflecting plate 151 that light reveals, 152 and transparent thermal baffle 14 about in the of 13.Wherein label 11 is display panel.
The described transparent display of present embodiment adopts backlight of the present invention to replace traditional lamp box, have simple in structure, volume is little, the light portable advantage of quality.
Embodiment seven:
Present embodiment has carried out further improvement on the basis of a last embodiment, described display panel 11 is positioned at the bright dipping side of described backlight;
Described transparent display panel 11 comprises Polarizer, last transparency carrier, liquid crystal layer, following transparency carrier and following Polarizer from top to bottom successively;
Described upward Polarizer and described polarization angle between the Polarizer down differ 90 °;
Described upward transparency carrier and the described opposite face of transparency carrier down are equipped with transparency electrode; When display screen was worked, the transparency electrode on the transparency carrier applied different voltage and makes between the relative transparency electrode and produce voltage difference up and down, presents the different operating state thereby can drive liquid crystal layer.
Described upward transparency carrier lower surface also is intervally distributed with the transparent color film of multiple different colours successively.Usually, the transparent color film of different colours is the i.e. red/green/blue three looks transparent color film of R/G/B, can form the display pattern of random color when showing by the mixing of three kinds of primary colors.Can also be arranged on the described transparency carrier down at the transparent color film of three looks described in the concrete implementation process.Certainly, the transparent color film of different colours is not limited only to the transparent color film of R/G/B, can be according to producing or the needs of design, and for other colors or comprise for example transparent color film such as Transparent color, yellow of other colors.
Further, the zone at described display panel place is the viewing area, described light guide plate covers described viewing area fully from the exiting surface of backlight, it is the area that the area of described light guide plate is not less than described viewing area, and covered described viewing area fully, any point that so just can guarantee the viewing area all receives the light from light guide plate when showing.
The comprehensive described transparent display of the invention described above, light guide plate of the present invention and backlight have been adopted, the transparent characteristic that under off position, has kept transparent display, in working order down, adopt backlight of the present invention to provide backlight, have the light transmission rate height, thereby have the brightness height, display effect is good, the advantage that homogeneity is good, and volume is little, quality is little, simple in structure and be easy to carry.
Embodiment eight:
As shown in Figure 4, the method for making of present embodiment light guide plate comprises following making step:
Step 1: on the opposite face of first transparency carrier and second transparency carrier, all form transparency electrode;
Opposite face at first transparency carrier and second transparency carrier forms transparency electrode, can adopt the technology of prior art conventional ripening, if transparency electrode is one whole layer of pattern-free structure, can for example ITO, IZO etc. directly adopt modes such as deposition, coating, sputter to form electrode layer to get final product with the transparent conductive material that is used for making transparency electrode; If transparency electrode is pattern structure, can with the transparent conductive material that is used for making transparency electrode for example employings such as ITO, IZO composition technology (composition technology generally includes technologies such as photoresist coating, exposure, development, etching, photoresist lift off) form the pattern of requirement;
Step 2: between described first transparency carrier and described second transparency carrier, form the PSCT layer;
Concrete, described step 2 is divided into step 2.1 and step 2.2 again;
Described step 2.1 is to filling chiral ionic liquid, liquid crystal and polymerisable monomer between described first transparency carrier and described second transparency carrier;
More specifically, can adopt instillation technology or ink-jetting process that chiral ionic liquid, liquid crystal and polymerisable monomer are filled between first transparency carrier and described second transparency carrier;
Described step 2.2 makes and forms macromolecule network between described liquid crystal molecule for adopting the described chiral ionic liquid of ultraviolet curing, liquid crystal and polymerisable monomer, thereby forms the PSCT layer;
Wherein, adopt ultraviolet ray to be cured, rapid and convenient and curing are evenly.
Step 3: seal described PSCT layer.
Described sealing can adopt frame glue that the side of described first transparency carrier and second transparency carrier is sealed, and also can adopt the array mode of sealing strip and fluid sealant that described PSCT layer is sealed;
Wherein, be equipped with transparency electrode on the opposite face of described first transparency carrier and described second transparency carrier, thereby can produce voltage difference by applying different magnitudes of voltage in first transparency carrier and transparency electrode on second transparency carrier, thereby change transmission or the scattering state of PSCT.
The method for making of light guide plate of the present invention, it is easy to have step, realizes simple advantage, and the light guide plate of making has feature and the advantage that light guide plate of the present invention has.
Above embodiment only is used for explanation the present invention; and be not limitation of the present invention; the those of ordinary skill in relevant technologies field; under the situation that does not break away from the spirit and scope of the present invention; can also make a variety of changes and modification; therefore all technical schemes that are equal to also belong to category of the present invention, and scope of patent protection of the present invention should be defined by the claims.
Claims (12)
1. a light guide plate is characterized in that, comprises first transparency carrier and second transparency carrier that are oppositely arranged; Described first transparency carrier and described second transparency carrier are equipped with transparency electrode at opposite face, and are provided with stabilizing polymer cholesteric phase material layer between two transparency carriers.
2. light guide plate according to claim 1 is characterized in that, described stabilizing polymer cholesteric phase material layer comprises chiral ionic liquid, liquid crystal and polymerisable monomer;
Wherein, described liquid crystal is nematic liquid crystal or smectic liquid crystal.
3. light guide plate according to claim 1 and 2 is characterized in that, described polymerisable monomer is acrylate or epoxy resin.
4. a backlight is characterized in that, comprise as the arbitrary described light guide plate of claim 1-3 and with as described in the suitable driving of light guide plate.
5. backlight according to claim 4 is characterized in that, also comprises light source and the heat-insulation transparent plate between described light guide plate and described light source in described light guide plate side.
6. backlight according to claim 5 is characterized in that, described heat-insulation transparent plate is the optical sheet that comprises polymethylmethacrylate.
7. according to claim 5 or 6 described backlights, it is characterized in that, be not equipped with reflecting plate towards the bright dipping side of described light guide plate at described light source.
8. a transparent display is characterized in that, comprises arbitrary described backlight as claim 4-7.
9. transparent display according to claim 8 is characterized in that, also comprises the transparent display panel that is positioned at described backlight bright dipping side.
10. transparent display according to claim 9 is characterized in that, described display panel region is the viewing area, and described light guide plate covers described viewing area fully from the bright dipping side of backlight.
11. the method for making of a light guide plate is characterized in that, comprises following making step:
Step 1: on the opposite face of first transparency carrier and second transparency carrier, all form transparency electrode;
Step 2: between described first transparency carrier and described second transparency carrier, form stabilizing polymer cholesteric phase material layer;
Step 3: seal described stabilizing polymer cholesteric phase material layer.
12. the method for making of light guide plate according to claim 11 is characterized in that, described step 2 comprises
Step 2.1: between described first transparency carrier and described second transparency carrier, fill chiral ionic liquid, liquid crystal and polymerisable monomer;
Step 2.2: adopt the described chiral ionic liquid of ultraviolet curing, liquid crystal and polymerisable monomer, make between described liquid crystal molecule and form macromolecule network, thereby form stabilizing polymer cholesteric phase material layer.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310260005.3A CN103345016B (en) | 2013-06-26 | 2013-06-26 | Light guide plate and preparation method thereof, backlight and transparent display |
| PCT/CN2013/087399 WO2014205985A1 (en) | 2013-06-26 | 2013-11-19 | Light guide plate and manufacturing method therefor, backlight source and transparent display apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310260005.3A CN103345016B (en) | 2013-06-26 | 2013-06-26 | Light guide plate and preparation method thereof, backlight and transparent display |
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| Publication Number | Publication Date |
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| CN103345016A true CN103345016A (en) | 2013-10-09 |
| CN103345016B CN103345016B (en) | 2016-08-10 |
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| CN201310260005.3A Expired - Fee Related CN103345016B (en) | 2013-06-26 | 2013-06-26 | Light guide plate and preparation method thereof, backlight and transparent display |
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| WO (1) | WO2014205985A1 (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2014205985A1 (en) * | 2013-06-26 | 2014-12-31 | 京东方科技集团股份有限公司 | Light guide plate and manufacturing method therefor, backlight source and transparent display apparatus |
| CN105118400A (en) * | 2015-09-29 | 2015-12-02 | 京东方科技集团股份有限公司 | Transparent display device |
| CN105860995A (en) * | 2016-04-19 | 2016-08-17 | 京东方科技集团股份有限公司 | Composition, liquid crystal display device and preparation method of liquid crystal device |
| CN106950759A (en) * | 2017-03-29 | 2017-07-14 | 京东方科技集团股份有限公司 | The preparation method of display panel, display device and display panel |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2014205985A1 (en) * | 2013-06-26 | 2014-12-31 | 京东方科技集团股份有限公司 | Light guide plate and manufacturing method therefor, backlight source and transparent display apparatus |
| CN105118400A (en) * | 2015-09-29 | 2015-12-02 | 京东方科技集团股份有限公司 | Transparent display device |
| US20170090266A1 (en) * | 2015-09-29 | 2017-03-30 | Boe Technology Group Co., Ltd. | Transparent Display Device |
| US10725358B2 (en) * | 2015-09-29 | 2020-07-28 | Boe Technology Group Co., Ltd. | Transparent display device |
| CN105860995A (en) * | 2016-04-19 | 2016-08-17 | 京东方科技集团股份有限公司 | Composition, liquid crystal display device and preparation method of liquid crystal device |
| CN106950759A (en) * | 2017-03-29 | 2017-07-14 | 京东方科技集团股份有限公司 | The preparation method of display panel, display device and display panel |
| US10901274B2 (en) | 2017-03-29 | 2021-01-26 | Boe Technology Group Co., Ltd. | Display panel, display device and method of manufacturing display panel |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103345016B (en) | 2016-08-10 |
| WO2014205985A1 (en) | 2014-12-31 |
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