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:
Sep. 06, 2011
Filed:
Jun. 08, 2010
Chih-chung Tsao, Miao-Li Hsien, TW;
Mei-jiun Lin, Miao-Li Hsien, TW;
Hung-chih Yang, Miao-Li Hsien, TW;
Shu-hui Hsieh, Miao-Li Hsien, TW;
Chih-ming Lai, Miao-Li Hsien, TW;
Tse-an Lee, Miao-Li Hsien, TW;
Chih-Chung Tsao, Miao-Li Hsien, TW;
Mei-Jiun Lin, Miao-Li Hsien, TW;
Hung-Chih Yang, Miao-Li Hsien, TW;
Shu-Hui Hsieh, Miao-Li Hsien, TW;
Chih-Ming Lai, Miao-Li Hsien, TW;
Tse-An Lee, Miao-Li Hsien, TW;
Foxsemicon Integrated Technology, Inc., Chu-Nan, Miao-Li Hsien, TW;
Abstract
A planar illumination device includes at least one light source, a housing structure, at least one light guide plate, and at least one light exiting surface. The at least one light source is received in the housing structure. The housing structure includes at least one light emitting surface through which the light emitted from the at least one light source exits the at least one housing. The at least one light guide plate includes at least one light incidence surface through which the light enters into the at least one light guide plate, and contacts with the at least one light emitting surface. The light exits the at least one light guide plate through the at least one light exiting surface. The at least one light exiting surface includes a plurality of continuously connected bulge points formed thereon.