CN103345016B - Light guide plate and preparation method thereof, backlight and transparent display - Google Patents
Light guide plate and preparation method thereof, backlight and transparent display Download PDFInfo
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- CN103345016B CN103345016B CN201310260005.3A CN201310260005A CN103345016B CN 103345016 B CN103345016 B CN 103345016B CN 201310260005 A CN201310260005 A CN 201310260005A CN 103345016 B CN103345016 B CN 103345016B
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- guide plate
- light guide
- backlight
- transparency carrier
- transparent
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- 230000000087 stabilizing effect Effects 0.000 claims abstract description 11
- 239000000969 carrier Substances 0.000 claims abstract description 5
- 238000000034 method Methods 0.000 claims description 18
- 239000004973 liquid crystal related substance Substances 0.000 claims description 15
- 239000000178 monomer Substances 0.000 claims description 14
- 239000002608 ionic liquid Substances 0.000 claims description 12
- 238000004519 manufacturing process Methods 0.000 claims description 9
- 239000004992 Ionic Liquid Crystal Substances 0.000 claims description 7
- 238000009413 insulation Methods 0.000 claims description 7
- 239000004926 polymethyl methacrylate Substances 0.000 claims description 6
- 229920003229 poly(methyl methacrylate) Polymers 0.000 claims description 5
- 239000004925 Acrylic resin 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
- 239000003822 epoxy resin Substances 0.000 claims description 4
- 229920002521 macromolecule Polymers 0.000 claims description 4
- 230000003287 optical effect Effects 0.000 claims description 4
- 229920000647 polyepoxide Polymers 0.000 claims description 4
- 239000004988 Nematic liquid crystal Substances 0.000 claims description 3
- 239000000758 substrate Substances 0.000 claims description 3
- 230000003044 adaptive effect Effects 0.000 claims 1
- 230000015572 biosynthetic process Effects 0.000 claims 1
- 210000000232 gallbladder Anatomy 0.000 claims 1
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- 238000013461 design Methods 0.000 abstract description 2
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- 238000007789 sealing Methods 0.000 description 2
- 238000007711 solidification Methods 0.000 description 2
- 230000008023 solidification Effects 0.000 description 2
- 241000446313 Lamella Species 0.000 description 1
- 241000408521 Lucida Species 0.000 description 1
- 229920005479 Lucite® Polymers 0.000 description 1
- 238000002835 absorbance Methods 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 230000033228 biological regulation Effects 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
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- MRNHPUHPBOKKQT-UHFFFAOYSA-N indium;tin;hydrate Chemical compound O.[In].[Sn] MRNHPUHPBOKKQT-UHFFFAOYSA-N 0.000 description 1
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Classifications
-
- 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
Landscapes
- 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 kind of light guide plate and preparation method thereof, backlight and transparent display, design for solving the problems such as volume that existing transparent display uses lamp box to be illuminated causing is big, inconvenient to carry.Light guide plate of the present invention, including the first transparency carrier being oppositely arranged and the second transparency carrier；Described first transparency carrier and described second transparency carrier are equipped with on opposite sides between transparency electrode, and two transparency carriers and are provided with stabilizing polymer cholesteric phase material layer.Light guide plate of the present invention and preparation method thereof, backlight and transparent display, have simple in construction, make easy to use and the multiple advantage such as volume is little, quality is little, the effective rate of utilization of light is high, brightness homogeneity is good.
Description
Technical field
The present invention relates to display field, particularly relate to a kind of light guide plate and preparation method thereof, backlight
Source and transparent display.
Background technology
Transparent display, applies to show image on a display screen, in no applied voltage during voltage
Time through display screen it can be seen that the LCD of the object at the display screen back side, usually high permeability or
OLED prepares transparent display.
Transparent display, is dependent on being positioned at the lamp box above display screen to provide display figure at present
As required light, the volume of usual lamp box is big, weight is big, it is impossible to produce volume little, it is simple to
The transparent display carried.
Summary of the invention
(1) goal of the invention
For the problems referred to above, it is desirable to provide one can be used for reducing transparent display body
Light guide plate that long-pending and absorbance is high and preparation method thereof, backlight and transparent display.
(2) technical scheme
For reaching above-mentioned purpose, light guide plate of the present invention, including the first transparency carrier being oppositely arranged with
Second transparency carrier；Described first transparency carrier is the most equal with described second transparency carrier
It is provided with between transparency electrode, and two transparency carriers and is provided with stabilizing polymer cholesteric phase material layer.
Preferably, described stabilizing polymer cholesteric phase material layer includes 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, including light guide plate as above and with institute
State the driving that light guide plate is suitable.
Further, also include being positioned at the light source of described light guide plate side and being positioned at described leaded light
Heat-insulation transparent plate between plate and described light source.
Further, described heat-insulation transparent plate is the optical plate including polymethyl methacrylate.
Further, at described light source not towards the light emission side of described light guide plate to being equipped with reflection
Plate.
For reaching above-mentioned purpose, transparent display of the present invention, including backlight as above.
Specifically, the transparent display panel being positioned at described backlight light emission side is also included；
Further, described display floater region is viewing area, and described light guide plate is from the back of the body
The light emission side of light source is completely covered described viewing area.
For reaching above-mentioned purpose, the manufacture method of light guide plate of the present invention, comprise the following steps that:
Step 1: the opposite face at the first transparency carrier and the second transparency carrier is respectively formed on
Prescribed electrode；
Step 2: form high score between described first transparency carrier and described second transparency carrier
Sub-stabilized cholesteric material layer；
Step 3: seal described stabilizing polymer cholesteric phase material layer.
Specifically, described step 2 includes
Step 2.1: to filling hands between described first transparency carrier and described second transparency carrier
Property ionic liquid, liquid crystal and polymerisable monomer；
Step 2.2: use chiral ionic liquid, liquid crystal and polymerizable described in ultraviolet curing
Monomer, makes to be formed between described liquid crystal molecule macromolecule network, thus forms stabilizing polymer cholesteric
Phase material layer.
(3) light guide plate of the present invention and preparation method thereof, backlight and transparent display has
Benefit effect
First: light guide plate of the present invention is relative to traditional light guide plate, transparent in no applied voltage
Shape, can provide required white background after being applied with voltage, such that it is able to be used for forming
Substantially showing device, thus add the structure for forming transparent display；
Second: light guide plate of the present invention, by transmission and be scattered in applying voltage time play
The effect changing light transmission direction of conventional light guiding plate, and then guide light, for transparent aobvious
Showing device provides high-transmission rate and the good light source of uniformity；Relative to traditional transparent display
Use swept area lamp box big, bulky to ensure the homogeneity of light source, there is volume
Little, simple and light advantage.
3rd: the backlight that the light guide plate using the present invention to provide makes, due to stabilizing polymer
The scattering of cholesteric phase material layer, operationally has light transmission rate high, the advantage that homogeneity is good.
Summary, light guide plate, the present invention made by the manufacture method of light guide plate of the present invention lead
Tabula rasa, backlight of the present invention are respectively provided with the advantage that transmitance is high, volume is little, simple and light,
Thus by the transparent display made by light guide plate of the present invention, there is volume little, lightweight,
Easy to carry, meet present transparent display, slimming, lightweight and portability
Development trend.
Accompanying drawing explanation
Fig. 1 is the side structure schematic diagram of the light guide plate described in the embodiment of the present invention one；
Fig. 2 is the side structure schematic diagram of the transparent display described in the embodiment of the present invention six；
Fig. 3 is the top plan view of the transparent display described in Fig. 2 of the present invention；
Fig. 4 is the flow chart of the manufacture method of the light guide plate described in the embodiment of the present invention eight.
Detailed description of the invention
Below in conjunction with Figure of description and embodiment to light guide plate of the present invention and method processed, the back of the body
Light source and transparent display are described further.
Stabilizing polymer cholesteric phase material (PSCT, Polymer Stabilized Cholesteric
Texture):
PSCT is the mixture adding chiral ionic liquid and polymerisable monomer in liquid crystal；Solidification
It is formed with macromolecule network in liquid crystal later, thus realizes transmission state and the scattering of electric field controls
State.Under DC electric field effect, to electrode transfer, there is conical texture in chiral ionic liquid,
Display scattering states.When not applying electric field, show transmissive state.Institute's making alive is different, hands
Property ionic liquid diffusion different, thus echo width is the most different, and transmitance is the most different.
Applied the intensity of electric field by regulation, the transmitance of negative liquid crystal can be regulated, thus demonstrate
Any color.
Embodiment one:
As it is shown in figure 1, the present embodiment light guide plate, including the first transparency carrier 1 being oppositely arranged
With the second transparency carrier 2；Described first transparency carrier 1 with described second transparency carrier 2 relative
It is equipped with on face between transparency electrode, and two transparency carriers and is provided with PSCT layer 3.
The lower surface of described first transparency carrier 1, the upper surface of described second transparency carrier 2 are all provided with
There is transparency electrode；Operationally, the transparency electrode and second on described first transparency carrier 1 is made
Produce voltage difference between transparency electrode on transparency carrier 2, thus reach to execute to described PSCT layer
Alive purpose, thus change the transmitance of PSCT layer, it is achieved the conduction of light.In this
Meanwhile, voltage or the first transparent electrode on transparent substrate and the are not being applied to described transparency electrode
When two transparent electrode on transparent substrate apply same magnitude of voltage, the described transparent shape of PSCT layer,
Can be seen that its object behind through described PSCT layer, and there is the advantage that light transmittance is high.?
Transparency electrode described in concrete implementation process can be ITO(tin indium oxide) electrode, IZO(oxygen
Change indium zinc) electrode etc..Use ITO electrode, there is technology maturation, easy to use, the side of drawing materials
The advantage such as just.
Described transparency electrode can be all holistic electrode, is laid on described first transparency carrier 1
Opposite face with the second transparency carrier 2, it is possible to be to be made up of several little electrically conducting transparent unit
Electrode matrix.In concrete implementation process, configure as required.
Light guide plate described in the present embodiment, by scattering (as to transparent aobvious under the cooperation of light source
Showing device provides white background) backlight that brightness homogeneity is good is provided, pass through when without showing
Transmission keeps the good transparency, it is thus possible to replace, traditional volume is big, area is big, quality is big
Lamp box, and it is little to have volume, and compact conformation is dexterous, it is easy to the advantage carried.
Embodiment two:
The present embodiment light guide plate, including the first transparency carrier being oppositely arranged and the second transparent base
Plate；Described first transparency carrier and described second transparency carrier are equipped with transparent electrical on opposite sides
PSCT layer it is provided with between pole, and two transparency carriers.Usual described PSCT layer includes chiral ion
Liquid, liquid crystal and polymerisable monomer；And in the present embodiment, described liquid crystal is preferably nematic
Phase liquid crystal or smectic liquid crystal.
Select nematic liquid crystal or smectic liquid crystal, be conducive to improving light transmission rate.
As the further improvement of the present embodiment, described polymerisable monomer is preferably acrylate
Or epoxy resin.Use acrylate or epoxy resin, be further conducive to improving light transmission
Rate.
Embodiment three:
The present embodiment backlight, including light source, embodiment one or embodiment two arbitrary as described in
Light guide plate and the driving suitable with described light guide plate.
Backlight described in the present embodiment uses light guide plate of the present invention, due to institute of the present invention
Whether the light guide plate stated presents the degree of scattering state and scattering state, is by being added in PSCT
The upper and lower voltage of layer determines, thus the backlight described in the present embodiment have employed of the present invention
Light guide plate while, be provided with the driving suitable with backlight of the present invention；
Described driving can be simple drive circuit, can also be the drive circuit including power supply,
Can also is that and include that external power accesses the circuit such as circuit, transformator, controller and connects and integrated drive
Galvanic electricity road.May determine whether to make described light guide plate work by whether powering to described light guide plate
In scattering state, thus provide white background and light source for the display screen with its cooperating.
Backlight described in the present embodiment can be side entrance back (i.e. light source be arranged on described in lead
The side of tabula rasa), it is possible to it is that the direct-type backlight traditional light guide plate of replacement is applied nontransparent aobvious
In showing device, in the display devices such as existing LCD TV, panel computer, e-book.Should
The light guide plate being used in the backlight of nontransparent display device applies electricity when display device works
Pressure, presents scattering state, for the backlight that display device offer homogeneity is good.
Embodiment four:
The present embodiment backlight, including light source, embodiment one or embodiment two arbitrary as described in
Light guide plate and the driving suitable with described light guide plate.
Described light source can be CCFL(CCFL) or LED(Light-Emitting Diode)；
Described light source is positioned at the side of described light guide plate, and described light guide plate and described light source it
Between be provided with heat-insulation transparent plate.High temperature it is easily formed, when temperature is too high or high temperature continues during light source works
Between long, become cause the liquid crystal in PSCT layer to lose liquid crystalline phase into isotropism, thus
The work causing PSCT layer is bad, in order to solve the problems referred to above, introduces in the present embodiment
Transparent thermal baffle, transparent thermal baffle prevents the heat of light source directly to conduct to described light guide plate, with
The transmission of the light that Shi Caiyong lamella lucida beneficially light source sends, keeps good light transmission rate.
Further improving as the present embodiment, described heat-insulation transparent plate is for including polymethyl
The optical plate of acid methyl ester (PMMA).PMMA is commonly called as lucite, is existing light guide plate
Main material, use and include the optical plate of PMMA, can as far as possible light source be penetrated
Light alignment light guide plate of the present invention transmits, thus ensure that higher light source utilization rate.
Embodiment five:
The present embodiment, on the basis of embodiment three or embodiment four, is made that and further changes
Enter, specific as follows, at described light source not towards light emission side (the i.e. divergence of beam of described light guide plate
Direction) it is equipped with reflecting plate.
When being LED light source such as described light source, LED light source includes lamp bar and is fixed on lamp bar
On LED, LED to deviate from described lamp bar direction be the direction of its divergence of beam, and when its position
In described light guide plate side when, when being i.e. positioned at same level with described light guide plate, on it
Lower two sides will form light leak, thus reduces the effective rate of utilization of light source, therefore in order to protect
The effective rate of utilization of the light of card light source, unequal towards the divergence of beam side of described light guide plate at light source
Reflecting plate is set, by reflecting plate by source reflection light echo source and final from described light guide plate
Outwards conduction.
Described reflecting plate can be the reflecting plate that the polylith being separately provided on each direction separates,
Reflection cambered surface or curved surface can also be interconnected to form.Especially when described light source is CCFL
Can use the reflection cambered surface of a side opening, described opening is oppositely arranged with described light guide plate.
Summary, backlight of the present invention, when not applying voltage to light guide plate in thoroughly
Bright shape, opens light source and can provide white background after applying voltage, when being used for forming transparent unit,
There is volume little, light weight, it is simple to the advantage carried, and itself there is simple in construction, system
Make advantage easy to use.
Embodiment six:
The present embodiment transparent display, as described in as arbitrary in embodiment three to embodiment five
Backlight.
As shown in Fig. 2-Fig. 3, shown backlight includes light guide plate 12, is positioned at light guide plate side
Light source described in light source 13(and the present embodiment is made up of some LED), be positioned at light source about 13
Two sides prevent reflecting plate 151,152 and the transparent thermal baffle 14 of light leakage.Its acceptance of the bid
Numbers 11 is display floater.
Transparent display described in the present embodiment, uses backlight of the present invention instead of
Traditional lamp box, has that simple in construction, volume be little, the portable advantage of light weight.
Embodiment seven:
The present embodiment, on the basis of a upper embodiment, has carried out further improvement, described aobvious
Show that panel 11 is positioned at the light emission side of described backlight；
Described transparent display panel 11 include the most successively Polarizer, upper transparency carrier,
Liquid crystal layer, lower transparency carrier and lower Polarizer；
Polarization angle between described upper Polarizer with described lower Polarizer differs 90 °；
Described upper transparency carrier is equipped with transparency electrode with the opposite face of described lower transparency carrier；?
During display screen work, the transparency electrode on upper and lower transparency carrier applies different voltage to be made relatively
Transparency electrode between produce voltage difference, such that it is able to drive liquid crystal layer present different operating shape
State.
Described upper transparency carrier lower surface is intervally distributed with the transparent of multiple different colours the most successively
Color film.Generally, the transparent color film of different colours is R/G/B i.e. red green blue trichroism transparent color film,
The display pattern of random color can be formed when display by the mixing of three kinds of primary colors.Specifically
Implementation process described in trichroism transparent color film can also be arranged on described lower transparency carrier.When
So, the transparent color film of different colours is not limited only to R/G/B transparent color film, can be according to production
Or the needs of design, for other colors or include that other colors such as transparent color, yellow etc. are saturating
Bright color film.
Further, the region at described display floater place is viewing area, described light guide plate from
The exiting surface of backlight is completely covered described viewing area, and the area of the most described light guide plate is not less than
The area of described viewing area, and covered all described viewing area, thus can guarantee that
Any point of viewing area all receives the light from light guide plate when display.
Summary transparent display of the present invention, have employed leaded light of the present invention
Plate and backlight, maintain the transparent characteristic of transparent display, in a quiescent state in work
Make under state, use backlight of the present invention to provide backlight, there is light transmission rate high, from
And have that brightness is high, display effect is good, the advantage that homogeneity is good, and volume is little, quality is little,
Simple in construction and being easy to carry.
Embodiment eight:
As shown in Figure 4, the manufacture method of the present embodiment light guide plate, comprise the following steps that:
Step 1: the opposite face at the first transparency carrier and the second transparency carrier is respectively formed on
Prescribed electrode；
The opposite face of the first transparency carrier and the second transparency carrier is formed transparency electrode, can
To use the technique of prior art conventional ripening, if transparency electrode is a flood pattern-free structure,
Transparent conductive material such as ITO, IZO etc. of being used for making transparency electrode directly can be used
Deposit, coat, the mode such as sputtering forms electrode layer；If transparency electrode is pattern structure,
Transparent conductive material such as ITO, IZO etc. of being used for making transparency electrode can be used composition
Technique (patterning processes generally include photoresist coat, expose, develop, etch, photoresist stripping
From etc. technique) formed require pattern；
Step 2: form PSCT between described first transparency carrier and described second transparency carrier
Layer；
Concrete, described step 2 is divided into again step 2.1 and step 2.2；
Described step 2.1 is for fill out between described first transparency carrier and described second transparency carrier
Fill chiral ionic liquid, liquid crystal and polymerisable monomer；
More specifically, instillation technique or ink-jetting process can be used chiral ionic liquid, liquid
Brilliant and polymerisable monomer is filled between the first transparency carrier and described second transparency carrier；
Described step 2.2 is for using chiral ionic liquid described in ultraviolet curing, liquid crystal and can
Polymerization monomer, makes to be formed between described liquid crystal molecule macromolecule network, thus forms PSCT layer；
Wherein, using ultraviolet to solidify, rapid and convenient and solidification are uniformly.
Step 3: seal described PSCT layer.
Described sealing can use frame glue to described first transparency carrier and the second transparency carrier
Side seals, it would however also be possible to employ the compound mode of sealing strip and fluid sealant is to described PSCT
Layer seals；
Wherein, described first transparency carrier is equipped with on the opposite face of described second transparency carrier
Transparency electrode, is applied not by the transparency electrode on the first transparency carrier and the second transparency carrier
With magnitude of voltage such that it is able to produce voltage difference, thus change transmission or the scattering state of PSCT.
The manufacture method of light guide plate of the present invention, has step easy, it is achieved the most excellent
Point, and make light guide plate there is feature and the advantage that light guide plate of the present invention is had.
Embodiment of above is merely to illustrate the present invention, and not limitation of the present invention, relevant technology
The those of ordinary skill in field, without departing from the spirit and scope of the present invention, also may be used
To make a variety of changes and modification, the technical scheme of the most all equivalents falls within the model of the present invention
Farmland, the scope of patent protection of the present invention should be defined by the claims.
Claims (7)
1. a backlight, it is characterised in that include light guide plate and with described light guide plate phase
Adaptive driving, wherein, light guide plate includes the first transparency carrier of being oppositely arranged and second transparent
Substrate；Described first transparency carrier is equipped with transparent with described second transparency carrier on opposite sides
Stabilizing polymer cholesteric phase material layer it is provided with between electrode, and two transparency carriers,
Backlight also includes being positioned at the light source of described light guide plate side and being positioned at described light guide plate
And the heat-insulation transparent plate between described light source,
It is not equipped with reflecting plate towards the light emission side of described light guide plate at described light source,
Described stabilizing polymer cholesteric phase material layer includes chiral ionic liquid, liquid crystal and can gather
Close monomer；
Wherein, described liquid crystal is nematic liquid crystal or smectic liquid crystal,
Described polymerisable monomer is acrylate or epoxy resin.
Backlight the most according to claim 1, it is characterised in that described heat-insulation transparent plate
It it is the optical plate including polymethyl methacrylate.
3. a transparent display, it is characterised in that include as claimed in claim 1 or 2
Backlight.
Transparent display the most according to claim 3, it is characterised in that also include position
Transparent display panel in described backlight light emission side.
Transparent display the most according to claim 4, it is characterised in that described display
Panel region is viewing area, and described light guide plate is completely covered institute from the light emission side of backlight
State viewing area.
6. the manufacture method of the backlight described in a claim 1 or 2, it is characterised in that
The manufacture method of described light guide plate, comprises the following steps that:
Step 1: the opposite face at the first transparency carrier and the second transparency carrier is respectively formed on
Prescribed electrode；
Step 2: form high score between described first transparency carrier and described second transparency carrier
Sub-stabilized cholesteric material layer；
Step 3: seal described stabilizing polymer cholesteric phase material layer,
Wherein, described light guide plate is additionally operable to make backlight, comprises the steps:
Step 4；In the side of described light guide plate, light source is set；
Step 5: heat-insulation transparent plate is set between described light guide plate and described light source；
Step 6: reflecting plate is not set towards the light emission side of described light guide plate at described light source.
The manufacture method of backlight the most according to claim 6, it is characterised in that institute
State step 2 to include
Step 2.1: to filling hands between described first transparency carrier and described second transparency carrier
Property ionic liquid, liquid crystal and polymerisable monomer；
Step 2.2: use chiral ionic liquid, liquid crystal and polymerizable described in ultraviolet curing
Monomer, makes the intermolecular formation macromolecule network of described liquid crystal, thus forms stabilizing polymer gallbladder
Steroid 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 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103345016A CN103345016A (en) | 2013-10-09 |
| CN103345016B true 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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| Country | Link |
|---|---|
| CN (1) | CN103345016B (en) |
| WO (1) | WO2014205985A1 (en) |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103345016B (en) * | 2013-06-26 | 2016-08-10 | 京东方科技集团股份有限公司 | Light guide plate and preparation method thereof, backlight and transparent display |
| CN105118400B (en) * | 2015-09-29 | 2018-09-11 | 京东方科技集团股份有限公司 | A kind of transparent display |
| CN105860995B (en) * | 2016-04-19 | 2019-01-22 | 京东方科技集团股份有限公司 | A kind of composition, liquid crystal display device and preparation method thereof |
| 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 |
| CN111856818A (en) * | 2020-08-19 | 2020-10-30 | 苏州特斯弗光电科技有限公司 | A transparent liquid crystal display device |
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| CN1678948A (en) * | 2002-03-27 | 2005-10-05 | 艾利丹尼森公司 | Switchable electro-optical laminates |
| CN101706625A (en) * | 2009-11-13 | 2010-05-12 | 北京科技大学 | Method for preparing wide wave reflective film by using polymer stabilized cholesteric phase liquid crystal material |
| CN102649907A (en) * | 2011-05-06 | 2012-08-29 | 京东方科技集团股份有限公司 | Magnetic-control liquid crystal material, preparation method of liquid crystal display device and display device |
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| KR20020002420A (en) * | 1999-04-06 | 2002-01-09 | 레베오 인코포레이티드 | Electro-Optical Glazing Structures Having Scattering And Transparent Modes Of Operation |
| US6961036B2 (en) * | 2003-01-29 | 2005-11-01 | Himax Technologies, Inc. | Single polar driving method for cholesteric liquid crystal displays |
| US7557875B2 (en) * | 2005-03-22 | 2009-07-07 | Industrial Technology Research Institute | High performance flexible display with improved mechanical properties having electrically modulated material mixed with binder material in a ratio between 6:1 and 0.5:1 |
| CN101295104A (en) * | 2008-05-09 | 2008-10-29 | 上海广电光电子有限公司 | LCD device, driving device and method |
| CN201222144Y (en) * | 2008-05-09 | 2009-04-15 | 上海广电光电子有限公司 | Liquid crystal display device and drive device thereof |
| CN101770091A (en) * | 2008-12-31 | 2010-07-07 | 北京京东方光电科技有限公司 | Mask plate and manufacturing method thereof |
| CN102798926B (en) * | 2012-08-15 | 2014-08-13 | 京东方科技集团股份有限公司 | Light guide plate, light guide plate assembly and light guide plate manufacturing method |
| CN103345016B (en) * | 2013-06-26 | 2016-08-10 | 京东方科技集团股份有限公司 | Light guide plate and preparation method thereof, backlight and transparent display |
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2013
- 2013-06-26 CN CN201310260005.3A patent/CN103345016B/en not_active Expired - Fee Related
- 2013-11-19 WO PCT/CN2013/087399 patent/WO2014205985A1/en active Application Filing
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1678948A (en) * | 2002-03-27 | 2005-10-05 | 艾利丹尼森公司 | Switchable electro-optical laminates |
| CN101706625A (en) * | 2009-11-13 | 2010-05-12 | 北京科技大学 | Method for preparing wide wave reflective film by using polymer stabilized cholesteric phase liquid crystal material |
| CN102649907A (en) * | 2011-05-06 | 2012-08-29 | 京东方科技集团股份有限公司 | Magnetic-control liquid crystal material, preparation method of liquid crystal display device and display device |
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| CN103345016A (en) | 2013-10-09 |
| WO2014205985A1 (en) | 2014-12-31 |
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