Inventor

KWOK HOI-SING

CN86 patents

⚠️ This page may combine multiple inventors who share the name “KWOK HOI-SING”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

KWOK HOI-SING

UNIV HONG KONG SCIENCE & TECHN

Photo-patterned light polarizing films

Method and apparatus for measuring liquid crystal cell properties

Photo-patterned light polarizing films

Optically optimized permanently bistable twisted nematic liquid crystal displays

Polarizing beam splitter

Patterned polarization converter

Methods and apparatus for measurement of LC cell parameters

Single polarized LCD consisting of particular twist angle and thickness-birefringence product

Acetylene polymers and their use as liquid crystals

Liquid crystal display having a single polarizer and no retardation film compensation

Field sequential color ferroelectric liquid crystal display cell

Polarization converter by patterned polarization grating

Polysilicon material and semiconductor devices formed therefrom

Anode for organic light emitting diode

Retardation films having single retardation value with variation

Bistable liquid crystal device

Photo-induced dichroic polarizers and fabrication methods thereof

UNIV HONG KONG SCIENCE & TECH

Fast switchable and high diffraction efficiency grating ferroelectric liquid crystal cell

Patterned polarization grating polarization converter

Low birefringence ferroelectric liquid crystal mixtures

Ferroelectric liquid crystals Dammann grating for light detection and ranging devices

Composite photoalignment layer

Method for production of quantum rods with precisely controllable wavelength of emission

Projection device and fabrication method of a polarization grating

UNIV HONG KONG SCI & TECH

2D/3D switchable liquid crystal lens unit

Photoaligned quantum rod enhancement films

Organic-inorganic perovskite materials and optoelectronic devices fabricated by close space sublimation

Integration of silicon thin-film transistors and metal-oxide thin film transistors

Fabrication method of a polarizing grating

Metal oxide thin film transistor with source and drain regions doped at room temperature

VARINTELLIGENT BVI LTD

Optical assembly for reflective light valves

Electro-Optic display providing a grey scale by utilizing voltage dependent birefringence

Reflective active matrix liquid crystal displays with mixed twisted nematic and birefringent modes

Liquid crystal display with nonspecular reflectors

WONG MAN

Thin-film transistors with metal source and drain and methods of fabrication

Metal-oxide based thin-film transistors with fluorinated active layer

Metal-induced crystallization of amorphous silicon, polycrystalline silicon thin films produced thereby and thin film transistors produced therefrom

KWOK HOI SING

Transient liquid crystal architecture

Transflective liquid crystal display

Polycrystalline silicon thin film transistors with bridged-grain structures

INTEGRATED MICRODISPLAYS LTD

Optical systems for liquid crystal display projectors

Projector with flat light sources

KWOK HOI-SING

Double sided emission organic light emitting diode display

VALYUKH SERGIY

Low voltage liquid crystal lens with variable focal length

UNIV HONG KONG

Luminescent gold (III) compounds, their preparation, and light-emitting devices containing same

UNIV NEW YORK STATE RES FOUND

Non-enhanced laser evaporation of oxide superconductors

YAM VIVIAN WING-WAH

Luminescent gold(III) compounds for organic light-emitting devices and their preparation

DAINIPPON INK & CHEMICALS

Azo compound, composition for photo-alignment film using the same, and method for producing photo-alignment film

KOZENKOV VLADIMIR MARKOVICH

Photo-induced dichroic polarizers and fabrication methods thereof

NANO & ADVANCED MATERIALS INST LTD

Stabilized photo-alignment layer for liquid crystal