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:
Feb. 18, 2020
Filed:
Mar. 13, 2018
Champ Tech Optical (Foshan) Corporation, Foshan, CN;
Chin-Chung Chen, New Taipei, TW;
CHAMP TECH OPTICAL (FOSHAN) CORPORATION, Foshan, CN;
Abstract
A device emitting light from two sides includes a base, a first light emitting surface, and a second light emitting surface. The base comprises a first surface and a second surface, the first surface is depressed to form a receiving groove, the receiving groove comprising a light incidence surface. The first light emitting surface protrudes from the second surface. The second light emitting surface is arranged beside the receiving groove. The second light emitting surface is a micro-structural portion, the micro-structural portion recessed from the first surface towards the second surface and forming a plurality of micro-structures.