The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Apr. 02, 2019
Filed:
Jul. 28, 2017
Epistar Corporation, Hsinchu, TW;
Chi-Chih Pu, Taoyuan County, TW;
Chen-Hong Lee, Taoyuan County, TW;
Shih-Yu Yeh, Taoyuan County, TW;
Wei-Kang Cheng, Taoyuan County, TW;
Shyi-Ming Pan, Taoyuan County, TW;
Siang-Fu Hong, Taoyuan County, TW;
Chih-Shu Huang, Taoyuan County, TW;
Tzu-Hsiang Wang, Taoyuan County, TW;
Shih-Chieh Tang, Taoyuan County, TW;
Cheng-Kuang Yang, Taoyuan County, TW;
EPISTAR CORPORATION, Hsinchu, TW;
Abstract
The present invention relates to a light emitting device comprising a transparent substrate which light can pass through and at least one LED chip emitting light omni-directionally. Wherein the LED chip is disposed on one surface of the substrate and the light emitting angle of the LED chip is wider than 180°, and the light emitted by the LED chip will penetrate into the substrate and at least partially emerge from another surface of the substrate. According to the present invention, the light emitting device using LED chips can provide sufficient lighting intensity and uniform lighting performance.