South China Normal University

Shenzhen Guohua Optoelectronics Co., Ltd.

Academy of Shenzhen Guohua Optoelectronics

Shenzhen Guohua Optoelectronics Institute

Luyu Royal Gold Building Materials (heyuan) Co., Ltd

Other

Huawei Technologies Co., Limited

South China Normal University Electronic Paper Display Institute

Electronic Paper Display Institute

South China Normal Univ

G.h.s Advanced Equipment Technology Co., Ltd.

Academy of Shenzhen Guohua

Academy of Shenzhen Guohoa Optoelectronics

Shenzhen Guohua Optoelecironics Co., Ltd.

Climad Technology B.v.

Guofu Zhou

Xiaowen Hu

Wei Zhao

Haitao Sun

Nan Li

Fahong Li

Robert Andrew Hayes

Peng Wang

Richard Notzel

Laurens De Haan

Stefano Sanguinetti

Lingling Shui

Weijie Zeng

Qiumei Nie

Hao Wu

Dirk Jan Broer

Hao Li

Qingping Wang

Wangchao Ruan

Li Wang

Weijie Lin

Tingai Chen

Albertus Petrus Henricus Johannes Schenning

Danqing Liu

Yuanyuan Zhan

Zixuan Deng

Augustinus Jozef Johannes Kragt

Zichuan Yi

Weinan Zhang

Zhijie Luo

Fangchao Tian

Jan Groenewold

Wenmin Yang

Alexander Victor Henzen

Pei Zhang

Chun Ju

Yingying Dou

Yuanyuan Guo

Hongwei Jiang

Rui Zhou

A liquid aperture, an electronic device, and a driving method and apparatus for a liquid aperture are provided. The liquid aperture includes a first substrate, a first electrode plate, an insulation layer, a hydrophobic layer, a hydrophilic layer, a sidewall, a second electrode plate, and a second substrate that are disposed adjacent to each other in sequence in a direction of an optical axis of the liquid aperture. A first hollow structure is formed in a middle of the sidewall. The hydrophilic layer includes a first hydrophilic part and a second hydrophilic part. There are N second hollow structures between the first hydrophilic part and the second hydrophilic part. The first hollow structure communicates with the N second hollow structures to form a closed cavity. The closed cavity is filled with a transparent electrolyte and dyed oil. The dyed oil is incompatible with the transparent electrolyte.

Liquid aperture, electronic device, and driving method and apparatus for liquid aperture

Provided is a nanowire array, in which a plurality of nanowires are densely packed and in contact with each other via side walls to form a three-dimensional, compact layer structure, wherein the plurality of nanowires are formed from InGaN-based material. Also provided is an optoelectronic device comprising the nanowire array which is epitaxially grown on a surface of a substrate (). Further provided are methods for preparing the nanowire array and the optoelectronic device.

Nanowire array, optoelectronic device and preparation method thereof

A multilayer film and a preparation method thereof is provided, and belongs to the technical field of optical films. The provided multilayer film comprises an ultraviolet blocking material and a cholesteric liquid crystal layer. The cholesteric liquid crystal layer comprises a polymerizable liquid crystal monomer, a polymerizable chiral dopant and a photoinitiator. The multilayer film can filter ultraviolet rays and near infrared rays in natural light, thereby reducing the heat effect of the natural light and harms of the ultraviolet rays to people and objects. In addition, the multilayer film has a high visible light transmission rate, which does not distort the color of the natural light passing through.

Liquid crystal multilayer film and preparation method thereof

An infrared reflection device includes a power supply assembly, a plurality of switches, and two relatively disposed light-transmitting conductive substrates packaging a regulating area. Each of the light-transmitting conductive substrates comprise a light-transmitting substrate and an electrode layer. The regulating area is filled with a liquid crystal mixture; the electrode layers are arranged on opposite surfaces of the two light-transmitting substrates; the electrode layer of at least one of the light-transmitting conductive substrates comprises at least two mutually independent electrode areas; and electrode areas of the same light-transmitting conductive substrate, after being respectively connected in series to the switches, are jointly connected in parallel to the same electrode of the power supply assembly.

Infrared reflection device with adjustable reflection proportion

An electrically controlled smart window, which includes two transparent plates arranged oppositely, a power supply component and an in-between light-adjusting area. Hereinto the light-adjusting area is divided into a matrix of light-adjusting units by pixel wall(s), and every units are closely arranged in a grid shape. To the power supply component, an electrode is connected with the pixel wall, and another is localized on the center of light-adjusting unit and did with the transparent plate. Both surface-charged liquid crystal polymer particles and conductive packing fluid are filled into the medium between the two transparent plates. According to the present disclosure, cholesteric liquid crystal polymer microparticles with specific reflection band and surface charges are used as basic reflectors, thereby achieving the significant advantages of being easy to manufacture, low cost, and stable performance, without causing interference to electromagnetic signals.

Electrically controlled smart window, preparation method thereof, and light-adjusting method thereof

Provided are a method for preparing an InGaN-based epitaxial layer on a Si substrate (), as well as a silicon-based InGaN epitaxial layer prepared by the method. The method may include the steps of: 1) directly growing a first InGaN-based layer () on a Si substrate (); and 2) growing a second InGaN-based layer on the first InGaN-based layer ().

Ingan epitaxy layer and preparation method thereof

A use of zwitterionic compound in preparation of dynamic-scattering-mode-based liquid crystal material. A liquid crystal material is also described. Such material contains liquid crystal and dopant, and the dopant is zwitterionic compound. A liquid crystal electro-optical device comprising such liquid crystal compound and the use of such optical device are also described. Zwitterionic compound is used as dopant to induce a stable dynamic scattering mode in liquid crystals.

Use of zwitterion dopant in preparation of dynamic-scattering-mode-based liquid crystal material

A water-responsive interpenetrating polymer network, a preparation method and use thereof are provided. The water-responsive interpenetrating polymer network comprises an interpenetrating polymer network formed by a cholesteric liquid crystal polymer and a polyionic liquid; wherein the cholesteric liquid crystal polymer is formed by polymerization of a liquid crystal mixture; and the polyionic liquid contains a hydrophilic group or is a hydrophilic salt. The interpenetrating polymer network is water responsive without needs of activation with an alkaline solution, which simplifies the preparation process, and has stable water responsiveness performance after prolonged and/or repeated exposure to water. The water-responsive interpenetrating polymer network can be used to prepare light reflective coatings and reflective devices, and has higher commercial value.

Water-responsive interpenetrating polymer network, preparation method and use thereof

A sound insulating material, a sound insulating plate, and a partition structure of a train carriage are provided. The sound insulating material comprises the following components in weight ratio: 2-8 parts of tricalcium silicate; 4-10 parts of calcium hydroxide; 10-30 parts of aluminosilicate; 4-10 parts of alumina; 5-15 parts of iron oxide; 10-30 parts of a binder; and 5-10 parts of a curing agent, wherein the binder is at least two of lithium silicate, sodium silicate and calcium silicate; the curing agent is at least one of lithium oxide, magnesium oxide and silica; and the mixture of the aluminosilicate, alumina and iron oxide expands at 1000&#xb0; C.-1350 &#xb0; C. to form particles. The sound insulating plate made of this material is lightweight and has a sound insulation capacity of 35-42 dB.

Sound insulating material, sound insulating plate and partition structure of train carriage

Disclosed are a fireproof material, a fireproof plate, a fireproof wall structure for tunnels and a construction method. The fireproof material includes the following components in weight ratio: 20-35 parts of aluminosilicate; 10-25 parts of calcium carbonate; 5-15 parts of magnesium oxide; 5-15 parts of silica; 20-40 parts of a binder; and 5-10 parts of a curing agent, the binder includes at least one of lithium silicate, potassium silicate and sodium silicate in combination with at least one of quartz sand and industrial sugar; and the curing agent is at least one of lithium oxide and magnesium oxide. In the preparation, firstly forming the mixture of aluminosilicate, magnesium oxide and silica into particles at 900&#xb0; C.-1250&#xb0; C., and then mixing the particles with calcium carbonate, the binder and the curing agent, and then pouring same into a forming mold and heating and pressing to form the fireproof material.

Fireproof material and fireproof plate, and fireproof wall structure for tunnel and construction method

Disclosed are a laser protective film and a laser protective device comprising the same. The laser protective film comprises, stackingly disposed: a first liquid crystal polymer layer for reflecting left-hand polarized light, a second liquid crystal polymer layer for reflecting right-hand polarized light, and a third liquid crystal polymer layer for absorbing incident laser. In the above way, the laser protective film of the present disclosure has a large angle of protection, high flexibility. In addition, it is easy to find any damage to the laser protective film of the present disclosure. Moreover, it can make modification to existing equipment. Thus, the present disclosure has a good application prospect in many fields such as laser goggles, window glass and the like.

Laser protective film and laser protective device comprising the same

Disclosed is a drying-wetting separated filling method and a filling apparatus for an electrowetting display device. The filling method comprises filling a non-polar solution into pixel grids on a lower substrate of an electrowetting display device in air, and filling a polar solution to immediately cover the non-polar solution filled after filling the non-polar solution into the pixel grids. Compared with filling the non-polar solution into the polar solution, directly filling the non-polar solution in air has better filling uniformity, easier operation and control. With the method, the fillings of the polar solution and the non-polar solution are easy, having a higher filling efficiency, and no air bubble residue.

Drying-wetting separated filling method and filling apparatus for electrowetting display device

A multi-stable electroresponsive smart window and preparation method thereof are disclosed. The multi-stable electroresponsive smart window comprises a first light transmitting conductive substrate, a parallel orientation layer, a positive polymer stabilized cholesteric texture layer, a positive cholesteric texture layer and a second light transmitting conductive substrate disposed in stack successively. The multi-stable electroresponsive smart window of the present disclosure can realize a diversified light transmission state such as colored and transparent state, colored and blur state, colorless and blur state, and colorless and transparent state by changing the magnitude of the access voltage, thereby satisfying the various demands in people's work and life. In addition, the multi-stable electroresponsive smart window of the present disclosure has the characteristics of simple production, rich patterns, energy saving and environmental protection, which has good application prospects in the fields of window glass, home glass window and glass curtain wall, and the like.

Method for preparing multi-stable electroresponsive smart window

A method for preparing an electrowetting display support plate (), comprising the following steps: preparing a substrate () having an electrode layer; preparing a hydrophobic insulating layer () and pixel walls () on the substrate () having an electrode layer, the pixel walls () being made of a hydrophilic material; performing plasma etching on the substrate () having the pixel walls (), the power of the plasma etching being 30-1,000 W/m; and heating the substrate () subjected to the plasma etching, so as to recover the hydrophobicity of the hydrophobic insulating layer (). According to the method, the technical bias that the display support plate () being treated by means of the plasma etching would influence the quality of the hydrophobic insulating layer () is eliminated.

Method for preparing electrowetting display support plate

A dye-doped laser protective film is disclosed, comprising a polymer layer A and a polymer layer B. The polymer molecules in the polymer layer A are arranged in a left-handed helical structure which can reflect a left-handed polarized laser. The polymer molecules in the polymer layer B are arranged in a right-handed helical structure which can reflect a right-handed polarized laser. The combination of the polymer layer having the left-handed helical structure and the polymer layer having the right-handed helical structure can completely reflect circularly polarized light. In addition, the dye can absorb incident laser, so as to expand the protection angle of the laser protective film. The dye-doped laser protective film of the present disclosure has a simple manufacturing process, large protection angle and good flexibility, and can refit existing devices. Thus, the dye-doped laser protective film of the present disclosure has a good application prospect in many fields such as laser goggles, window films and the like.

Dye-doped laser protective film

Growing community of inventors

Guangdong, China

Guofu Zhou