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:
May. 02, 2017
Filed:
Aug. 04, 2015
Applicant:
Unity Opto Technology Co., Ltd., New Taipei, TW;
Inventors:
Chih-Hsien Wu, New Taipei, TW;
Sen-Yuh Tsai, New Taipei, TW;
Chun-Chieh Huang, New Taipei, TW;
Yu-Chang Chen, New Taipei, TW;
Assignee:
Unity Opto Technology Co., Ltd., New Taipei, TW;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F21K 99/00 (2016.01); F21V 19/00 (2006.01); F21V 3/04 (2006.01); F21V 3/02 (2006.01); F21K 9/232 (2016.01); F21K 9/66 (2016.01); F21Y 115/10 (2016.01);
U.S. Cl.
CPC ...
F21V 3/04 (2013.01); F21K 9/232 (2016.08); F21K 9/66 (2016.08); F21V 3/02 (2013.01); F21Y 2115/10 (2016.08);
Abstract
An axially symmetric LED light bulb includes a lamp shade, a substrate and a connecting seat. The substrate installed on the connecting seat includes plural LED light sources. The lamp shade has an edge connected to the connecting seat, and the substrate is covered inside the lamp shade. The lamp shade has an unequal thickness with a thicker top and thinner sides. The axially symmetric LED light bulb provides excellent light uniformity and wide-angle illumination.