CN104317116B - Electric control liquid-crystal light divergence microlens array chip on basis of graphene electrodes - Google Patents
Electric control liquid-crystal light divergence microlens array chip on basis of graphene electrodes Download PDFInfo
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- CN104317116B CN104317116B CN201410576694.3A CN201410576694A CN104317116B CN 104317116 B CN104317116 B CN 104317116B CN 201410576694 A CN201410576694 A CN 201410576694A CN 104317116 B CN104317116 B CN 104317116B
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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
- G02F1/1343—Electrodes
- G02F1/13439—Electrodes characterised by their electrical, optical, physical properties; materials therefor; method of making
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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
- G02F1/13306—Circuit arrangements or driving methods for the control of single liquid crystal cells
-
- 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
- G02F1/1337—Surface-induced orientation of the liquid crystal molecules, e.g. by alignment layers
- G02F1/133711—Surface-induced orientation of the liquid crystal molecules, e.g. by alignment layers by organic films, e.g. polymeric films
- G02F1/133723—Polyimide, polyamide-imide
-
- 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
- G02F1/29—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 position or the direction of light beams, i.e. deflection
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- Physics & Mathematics (AREA)
- Nonlinear Science (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Mathematical Physics (AREA)
- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Liquid Crystal (AREA)
- Optical Modulation, Optical Deflection, Nonlinear Optics, Optical Demodulation, Optical Logic Elements (AREA)
Abstract
The invention discloses an electric control liquid-crystal light divergence microlens array chip on the basis of graphene electrodes. The electric control liquid-crystal light divergence microlens array chip comprises a driving control signal input port and a graphene liquid-crystal light divergence microlens array, the graphene liquid-crystal light divergence microlens array comprises m*n of elements and is of liquid-crystal interlayer structure, a first substrate, a patterning graphene electrode, a first liquid crystal direction layer, a liquid crystal layer, a second liquid crystal direction layer, a graphene electrode and a second substrate are sequentially arranged between the lower layer and the upper layer, the patterning graphene electrode and the graphene electrode are manufactured on the first substrate and the second substrate respectively, the patterning graphene electrode is composed of m*n of micro circular graphene which are isolated by microloops and connected by microlines and are distributed in order, and the patterning graphene electrode and the graphene electrode extend to form a metal electrode lead respectively. The electric control liquid-crystal light divergence microlens array is long in device service life and high in reliability, can be easily coupled with a conventional optic photoelectric mechanism structure, and is high in environment suitability and the like.
Description
Technical field
The invention belongs to optical precision measurement and control technology field, it is based on Graphene electrodes more particularly, to a kind of
Electrically-controlled liquid crystal light dissipate microlens array chip.
Background technology
In the last few years, electrically-controlled liquid crystal micro lens technology quickly grew, light beam automatically controlled convergence, dissipate, shaping, collimation,
Focusing, pendulum Jiao couple the aspects such as even integrated, the special smooth functional structure of structure with light-sensitive array and led array, present good
Development prospect.The exemplary functions having presented include: (one) applies electric driving control signal in array liquid crystal micro-structural, can hold
The light of row converges, light dissipates or proper phase converts etc., can launch, solidifies or modulation under any wave beam state；(2) automatically controlled
The optical beam transformation effect of liquid crystal micro-structural is constrained, intervened or is guided by priori or beam treatment result；(3) execute control
Micron order thickness its time response constant of electrically-controlled liquid crystal material of light operation has reached sub- Millisecond at present, laboratory level fast
To Microsecond grade, the dynamic control light demand of routine can be met.At present, how to develop control light ability further higher, react more fast
Speed, reliability is higher, service life is longer, and cost is lower and eco-friendly liquid crystal microlens technology, it has also become new grinds
Heat generating spot.
So far, space electric field is built in micron thickness liquid crystal material based on precious metal alloys membrane electrode, control liquid
The defect that brilliant execution control light is processed is mainly manifested in following aspect: (one) electrode based on film alloy material must have enough
Thickness, to carry the positive and negative space-charge region of thin layer of the space electric field being carried on liquid crystal material for excitation, makes liquid crystal molecule
Assume specific dipole spatial arrangement form；(2) the larger film alloy electrode of thickness assumes larger face shape in alternating electric field
Impedance, makes the space based on position shape for the micrometer level depth space electric field presence being encouraged between the patterning face electrode pair in device not
Uniformity；(3) film alloy electrode has stronger fuel factor, and long heat history can suppress to be distributed in liquid crystal initial orientation
Liquid crystal molecule activity near structure, the electric liquid crystal molecule oriented alignment efficiency controling under effect of reduction and accordingly automatically controlled Jie
Electric energy power, in addition also can increase metal electrode impedance, the automatically controlled response sensitivity of impact device further；(4) film alloy electrode
Assume narrow band light gated nature and spectrum transmission inhomogeneities；(5) electrons that energy state improves are made from metal film electrode by electric field driven
Middle spilling, penetrates the electronics of liquid crystal initial orientation structure after entering liquid crystal material, by the polar group with liquid crystal molecule
With the dielectric properties of reduction liquid crystal material；(6) precious metal alloys material price is high, produces in material and liquid crystal device makes ring
There is environmental pollution etc. in section.Since entering the new century, development has nano thickness, high conductance, low-heat effect and wide range adaptability
Face electrode technology, receive significant attention.
The Graphene recent years being born in the turn of the century are developed rapidly, and have shown extremely excellent so far
Good charge carrier characteristic, as the carriers such as electronics or hole almost can freely walk the superpower conduction being represented in Graphene
With extremely low resistive, normally only absorb and be less than 3% visible ray and the superelevation translucency of infrared waves and ultra-wide spectrum adaptability,
The superior electron mobility that the speed of electronics is represented is transmitted far faster than the various conductive materials being currently known, based on six under room temperature
The superpower structural stability shown by nano thickness single or multiple lift intussusception framework of the netted connection of side shape, fastness, pliability,
Corrosion resistance and anti-high field disturbance ability, being represented based on two-dimensional network structure with most of optics that are being currently known, photoelectricity
Son and the splendid structure matching of microelectronic material and coupling.Based on diving that nano-graphene film is represented in terms of electrode structure
In advantage, build the electrically-controlled liquid crystal micro lens technology based on Graphene mould, developing advanced optical precision measurement and controlling skill
Art aspect, has active demand.
Content of the invention
Disadvantages described above for prior art or Improvement requirement, the invention provides a kind of automatically controlled based on Graphene electrodes
Liquid crystal light dissipates microlens array chip, and it can achieve the automatically controlled shaping of micro- round unthreaded hole battle array patterned light field and fine modulation, easily
Couple with other optical photoconductor frame for movements, good environmental adaptability.
For achieving the above object, according to one aspect of the present invention, there is provided a kind of electricity based on nano-graphene electrode
Control liquid crystal light dissipates microlens array chip, including control signal input port and Graphene liquid crystal astigmatism microlens array,
Graphene liquid crystal astigmatism microlens array is m × n unit, and wherein m, n are the integer more than 1, Graphene liquid crystal astigmatism lenticule
Array adopts and has been sequentially arranged the first substrate, patterned Graphene electrodes, the first liquid crystal between sandwiching liquid crystal structure, and lower upper strata
Oriented layer, liquid crystal layer, the second liquid crystal alignment layer, Graphene electrodes, the second substrate, patterned Graphene electrodes and Graphene electrodes
It is produced on the first substrate and the second substrate, patterned Graphene electrodes are with the isolation of micro- annulus and with micro-line by m × n
The micro-circle Graphene ordered arrangement connecting is constituted, and each extends over out a gold from patterned Graphene electrodes and Graphene electrodes
Genus contact conductor, and access the two ends of control signal input port, control signal input port is used for as patterned Graphene electricity
Pole and Graphene electrodes provide voltage signal.
Preferably, after light wave enters Graphene liquid crystal astigmatism microlens array, it is discretized into sub- incident wave beam battle array, each son
Incident wave beam is interacted with the liquid crystal molecule under controlled electrical field excitation, is diverged to low-light Confucius's wave field that micro- annulus defines,
And coupled formation low-light hole battle array transmission wave beam exports from chip.
Preferably, described chip also includes chip housing, and Graphene liquid crystal astigmatism microlens array is located in chip housing
And be connected with it, the light entrance face of Graphene liquid crystal astigmatism microlens array and light-emitting face, by the top surface of chip housing and
Bottom surface windowing is exposed, and out control signal input port is arranged in chip housing, and naked by the lateral opening hole of chip housing
Expose outside.
Preferably, the first liquid crystal alignment layer and the second liquid crystal alignment layer are made by polyimides.
Preferably, the first substrate and the second substrate have identical optical material.
In general, by the contemplated above technical scheme of the present invention compared with prior art, can obtain down and show
Beneficial effect:
1st, can automatically controlled shape and modulation low-light hole battle array light field: the present invention controls liquid crystal material using Graphene electrodes and carries out
Array astigmatism, has the advantages that outgoing beam is efficiently set in specific modality or is tuned to predetermined form.
2nd, spectral range width: the high light transmission features of the wide spectrum based on grapheme material, chip has wide excellent of spectral range
Point.
3rd, controlled efficiency high device lifetime is long: due to making electricity using the Graphene molding with superpower conductive and control electrical feature
Pole, eliminates the impact to liquid crystal material polarization behavior such as electronic and ionic, and device has the advantages that the automatically controlled efficiency high life is long.
4th, intelligent: to be carried in the electric driving control signal in Graphene electrodes by modulation, to patterning its ripple of Transmission field
The structure of bundle form and modulation operate, and can launch, have under the constraint of priori or wave field pattern characteristics, intervention or guiding
Intelligent feature.
5th, easy to use: the control light chip main body of the present invention is that the Graphene liquid crystal astigmatism being encapsulated in chip housing is micro-
Lens array, it is convenient to configure in the optical path, easily couples with couplings such as normal optical photoelectric mechanical structures.
Brief description
Fig. 1 is that the present invention dissipates the structural representation of microlens array chip based on the electrically-controlled liquid crystal light of Graphene electrodes；
Fig. 2 is the structural representation of Graphene liquid crystal astigmatism microlens array of the present invention；
Fig. 3 is that the present invention carries out the schematic diagram of optical beam transformation based on Graphene liquid crystal astigmatism lenticule.
In all of the figs, identical reference is used for representing identical element or structure, wherein:
1- control signal input port, 2- Graphene liquid crystal astigmatism microlens array, 3- chip housing.
Specific embodiment
In order that the objects, technical solutions and advantages of the present invention become more apparent, below in conjunction with drawings and Examples, right
The present invention is further elaborated.It should be appreciated that specific embodiment described herein is only in order to explain the present invention, and
It is not used in the restriction present invention.As long as additionally, involved technical characteristic in each embodiment of invention described below
The conflict of not constituting each other just can be mutually combined.
As shown in figure 1, the present invention dissipates microlens array chip based on the electrically-controlled liquid crystal light of Graphene electrodes including controling
Signal input port, Graphene liquid crystal astigmatism microlens array 2 and chip housing 3.
Graphene liquid crystal astigmatism microlens array 2 is located in chip housing 3 and is connected with it.
The light entrance face of Graphene liquid crystal astigmatism microlens array and light-emitting face, by top surface and the bottom of chip housing 3
Face windowing is exposed out.
Control signal input port 1 is arranged in chip housing 3, and exposed outside by the lateral opening hole of chip housing 3.
Graphene liquid crystal astigmatism microlens array is m × n unit, and wherein m, n are the integer more than 1.Each liquid crystal astigmatism is micro-
Grapheme material outside the center micro-circle Graphene isolated by micro- annulus interconnecting in lens and micro- annulus is synchronously powered up.
After light wave enters Graphene liquid crystal astigmatism microlens array 2, discrete according to lenticular scale and arrangement situation
It is melted into sub- incident wave beam battle array, each sub- incident wave beam is interacted with the liquid crystal molecule under controlled electrical field excitation, diverged to by micro-
Circle low-light Confucius's wave field of defining of the ring of light coupled formation low-light hole battle array transmission wave beam exports from chip.
As shown in Fig. 2 the Graphene liquid crystal astigmatism microlens array of the embodiment of the present invention adopts sandwiching liquid crystal structure, and under
The first substrate, patterned Graphene electrodes, the first liquid crystal alignment layer, liquid crystal layer, the second liquid crystal it have been sequentially arranged calmly between upper strata
To layer, Graphene electrodes, the second substrate.
Patterned Graphene electrodes and Graphene electrodes are produced in first substrate with identical optical material and
On two substrates.
First liquid crystal alignment layer and the second liquid crystal alignment layer are made by polyimides, it should be understood that alignment layer material is not
It is confined to the channel material that this or other can form nanoscale depth and width.
Patterned Graphene electrodes are arranged with the isolation of micro- annulus and with the micro-circle Graphene of micro-line UNICOM in order by m × n
Cloth is constituted.
Each extend over out a metal electrode lead from patterned Graphene electrodes and Graphene electrodes, access driving control signal
The two ends of input port 1, the patterned Graphene electrodes in each unit lenticule are synchronously powered up.
As shown in figure 3, the present invention's carries out beam divergence effect based on Graphene liquid crystal astigmatism lenticule, by being carried in
Voltage signal v between patterned Graphene electrodes and Graphene electrodes realizes, and in figure give also local and dissipates its typical case of light field
Micro- round unthreaded hole and divergent beams empty burnt long and empty focal spot feature.For strengthening beam treatment ability, in the first substrate and second
The light entrance face of substrate and light-emitting face are formed respectively with the anti-reflection film of material of the same race.
For making those skilled in the art more fully understand the present invention, with reference to Fig. 1 to Fig. 3, the embodiment of the present invention is described
The operation principle of microlens array chip is dissipated based on the electrically-controlled liquid crystal light of Graphene electrodes.
Dissipate microlens array chip based on the electrically-controlled liquid crystal light of Graphene electrodes to be placed in optical system for testing, or be placed in
Also can weak out of focus configuration at the focal plane of the optical system being made up of primary mirror.
Holding wire is accessed control signal input port, by voltage signal input and be carried in electrically-controlled liquid crystal light dissipate micro-
On lens array.
After light beam enters Graphene liquid crystal astigmatism microlens array, dissipate in array after interacting with liquid crystal molecule
State.The voltage signal being carried in Graphene electrodes has encouraged space electricity between patterned Graphene electrodes and Graphene electrodes
, control filled liquid crystal material and form the functionalization liquid crystal structure with specific refractive index spatial distribution form.By every
The son that the optical beam transformation effect of unit liquid crystal microlenses is constructed dissipates light field, the Center Dark Spot being defined by the micro- annulus of special pore size distribution
Shape low-light hole is constituted.Its annulus brightness, aperture and in the hole extinction ratio etc., with driving control signal mean square amplitude or frequency change and
Change.
From contiguous microlens outgoing dissipate light field coupled formed low-light hole battle array Transmission field and from chip output.Graphite
Alkene liquid crystal astigmatism lenticule includes liquid crystal material, liquid crystal alignment layer, Graphene electrodes, metal electrode lead, optical base-substrate and increasing
Permeable membrane etc..Two surfaces up and down of liquid crystal material cover liquid crystal alignment layer, Graphene electrodes, substrate and anti-reflection film successively.
As it will be easily appreciated by one skilled in the art that the foregoing is only presently preferred embodiments of the present invention, not in order to
Limit the present invention, all any modification, equivalent and improvement made within the spirit and principles in the present invention etc., all should comprise
Within protection scope of the present invention.
Claims (5)
1. a kind of microlens array chip is dissipated based on the electrically-controlled liquid crystal light of Graphene electrodes, including control signal input port,
And Graphene liquid crystal astigmatism microlens array it is characterised in that
Graphene liquid crystal astigmatism microlens array is m × n unit, and wherein m, n are the integer more than 1；
Graphene liquid crystal astigmatism microlens array adopt be sequentially arranged between sandwiching liquid crystal structure, and lower upper strata the first substrate,
Patterned Graphene electrodes, the first liquid crystal alignment layer, liquid crystal layer, the second liquid crystal alignment layer, Graphene electrodes, the second substrate；
Patterned Graphene electrodes and Graphene electrodes are produced on the first substrate and the second substrate；
Patterned Graphene electrodes are with the isolation of micro- annulus the micro-circle Graphene ordered arrangement with micro-line connection by m × n
Constitute；
Each extend over out a metal electrode lead from patterned Graphene electrodes and Graphene electrodes, and it is defeated to access driving control signal
The two ends of inbound port；
It is patterned Graphene electrodes that control signal input port is used for and Graphene electrodes provide voltage signal；
Outside the center micro-circle Graphene isolated by micro- annulus interconnecting in each Graphene liquid crystal astigmatism lenticule and micro- annulus
Grapheme material synchronously powered up.
2. electrically-controlled liquid crystal light according to claim 1 dissipates microlens array chip it is characterised in that light wave enters graphite
After alkene liquid crystal astigmatism microlens array, it is discretized into sub- incident wave beam battle array, under each sub- incident wave beam is encouraged with controlled electrical field
Liquid crystal molecule interacts, and is diverged to low-light Confucius's wave field that micro- annulus defines, and coupled formation low-light hole battle array transmitted wave
Bundle is from chip output.
3. electrically-controlled liquid crystal light according to claim 1 dissipate microlens array chip it is characterised in that
Described chip also includes chip housing；
Graphene liquid crystal astigmatism microlens array is located in chip housing and is connected with it；
The light entrance face of Graphene liquid crystal astigmatism microlens array and light-emitting face, are opened a window by the top surface and bottom surface of chip housing
Exposed out；
Control signal input port is arranged in chip housing, and exposed outside by the lateral opening hole of chip housing.
4. electrically-controlled liquid crystal light according to claim 1 dissipates microlens array chip it is characterised in that the first liquid crystal aligning
Layer and the second liquid crystal alignment layer are made by polyimides.
5. electrically-controlled liquid crystal light according to claim 1 dissipates microlens array chip it is characterised in that the first substrate and
Two substrates have identical optical material.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410576694.3A CN104317116B (en) | 2014-10-24 | 2014-10-24 | Electric control liquid-crystal light divergence microlens array chip on basis of graphene electrodes |
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| CN201410576694.3A CN104317116B (en) | 2014-10-24 | 2014-10-24 | Electric control liquid-crystal light divergence microlens array chip on basis of graphene electrodes |
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| CN114019730B (en) * | 2021-10-29 | 2024-05-31 | 华中科技大学 | Dual-mode integrated liquid crystal micro-lens array, preparation method thereof and voltage loading method |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1367399A (en) * | 2001-08-14 | 2002-09-04 | 中国科学院长春光学精密机械与物理研究所 | Continuous vari-focus Fresnel microlens array device |
| CN101462717A (en) * | 2007-12-17 | 2009-06-24 | 三星电子株式会社 | Single crystalline graphene sheet and process of preparing the same |
| WO2012133029A1 (en) * | 2011-03-28 | 2012-10-04 | ソニー株式会社 | Transparent electroconductive film, heater, touch panel, solar cell, organic el device, liquid crystal device, and electrical paper |
| CN103534204A (en) * | 2011-03-29 | 2014-01-22 | 国立大学法人蔚山科学技术大学校产学协力团 | Graphene sheet, transparent electrode including graphene sheet, active layer, and display device, electronic device, photovoltaic device, battery, solar cell, and dye-sensitized solar cell employing transparent electrode |
| CN204129387U (en) * | 2014-10-24 | 2015-01-28 | 华中科技大学 | A kind of electrically-controlled liquid crystal light based on Graphene electrodes disperses microlens array chip |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20120108233A (en) * | 2011-03-23 | 2012-10-05 | 삼성전자주식회사 | Active optical device and display apparatus including the same |
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Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1367399A (en) * | 2001-08-14 | 2002-09-04 | 中国科学院长春光学精密机械与物理研究所 | Continuous vari-focus Fresnel microlens array device |
| CN101462717A (en) * | 2007-12-17 | 2009-06-24 | 三星电子株式会社 | Single crystalline graphene sheet and process of preparing the same |
| WO2012133029A1 (en) * | 2011-03-28 | 2012-10-04 | ソニー株式会社 | Transparent electroconductive film, heater, touch panel, solar cell, organic el device, liquid crystal device, and electrical paper |
| CN103534204A (en) * | 2011-03-29 | 2014-01-22 | 国立大学法人蔚山科学技术大学校产学协力团 | Graphene sheet, transparent electrode including graphene sheet, active layer, and display device, electronic device, photovoltaic device, battery, solar cell, and dye-sensitized solar cell employing transparent electrode |
| CN204129387U (en) * | 2014-10-24 | 2015-01-28 | 华中科技大学 | A kind of electrically-controlled liquid crystal light based on Graphene electrodes disperses microlens array chip |
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