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:
Nov. 23, 2004
Filed:
Aug. 20, 2003
Applicant:
Inventors:
Ching-Huang Lin, Penghu, TW;
Hua-Nan Huang, Miaoli, TW;
Assignee:
Toppoly Optoelectronics Corp., Chu-Nan, TW;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F21V 7/04 ;
U.S. Cl.
CPC ...
F21V 7/04 ;
Abstract
The planar light emitting mechanism comprises a rectangular light guiding plate and a lamp. The lamp is disposed on a side of the light guiding plate, having a brighter effective emitting area and two curved darker emitting areas. The darker emitting areas are adjacent to the corners of the rectangular light guiding plate, wherein the brighter effective emitting area is between the darker emitting areas.
Lin, Ching-Huang. (2004). Planar light emitting mechanism (U.S. Patent No. 6820993). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/6820993
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile