Epistar Corporation

National Yang Ming Chiao Tung University

Yi-Jui Huang

Ming-Chi Hsu

Min-Hsun Hsieh

Chih-Ming Wang

Been-Yu Liaw

Tsung-Xian Lee

Jhih-Sian Wang

Kuang-Ping Chao

Steve Meng-Yuan Hong

Pu-Wei Wu

Yao Chiu Lin

Chiu-Lin Yao

Chien-Liang Liu

Chun-Han Lai

This disclosure discloses an illumination apparatus. The illumination apparatus comprises a cover comprising a second portion and a first portion, and a light source disposed within the cover. An average thickness of the first portion is greater than that of the second portion.

Illumination apparatus

This disclosure discloses an illumination apparatus. The illumination apparatus comprises an inner cover comprising a top surface having a first length; a pedestal on which the inner cover is disposed comprising a top surface having a second length; and a holder supporting the pedestal; wherein the first length is greater than the second length.

A wavelength conversion structure comprises a first phosphor layer and a second phosphor layer formed on the first phosphor layer, wherein the first phosphor layer comprises a plurality of first phosphor particles, and the second phosphor layer comprises a plurality of second phosphor particles. The average particle size of the second phosphor particles is not equal to that of the first phosphor particles.

Wavelength conversion structure, manufacturing method thereof, and light-emitting device comprising the wavelength conversion structure

A method of forming a single-layer photonic crystal structure. The method includes depositing electrophoretic suspension, working electrode and lower electrode in a container, wherein the working electrode and the lower electrode are formed at upper and lower parts of the container, respectively, and spaced apart at an distance; and applying an electric voltage to the working electrode and the lower electrode to form an electric field, such that particles in the electrophoretic suspension form a single-layer photonic crystal structure on the working electrode under interactive actions of the electric field and a gravity field by an electrophoresis self-assembly technique. Therefore, the single-layer photonic crystal structure has a low cost, and good quality and recurring property.

Method of forming single-layer photonic crystal structure

A wavelength conversion structure comprises a phosphor layer comprising a first part and a second part formed on the first part, wherein the first part and the second part have a plurality of pores, a first material layer formed in the plurality of pores of the first part, a second material layer formed in the plurality of pores of the second part and a plurality of phosphor particles, wherein the plurality of phosphor particles is distributed in the first material layer and the second material layer.

Wavelength conversion structure, manufacturing methods thereof, and lighting emitting device including the wavelength conversion structure

A three-dimensional geometric photonic crystal and a method of fabricating the photonic crystal are disclosed. The photonic crystal includes a geometric structure having a plurality of electrophoretic self-assembled particles and the plurality of particles are periodically arranged at any cross sections of the geometric structure. The method includes preparing an electrophoresis deposition suspension, installing first and second electrodes in the electrophoresis deposition suspension with the first electrode being encircled by the second electrode, and applying a voltage to the first electrode and the second electrode to form an electric field between the first and second electrodes, such that particles in the electrophoresis deposition suspension are electrophoretic self-assembled, and a periodically arranged geometric structure is formed. A photonic crystal thus may have a three-dimensional geometric structure in any shape.

Growing community of inventors

Hsinchu, Taiwan

Yi-Jui Huang