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. 06, 2018
Filed:
Jun. 11, 2017
Unistars Corporation, Zhudong Township, TW;
Liang-Kuei Huang, Taipei, TW;
Shang-Yi Wu, Hsinchu, TW;
UNISTARS CORPORATION, Hsinchu, TW;
Abstract
A light emitting package base structure includes a carrier, a light emitting chip, a light transmission unit and a dam. The carrier has a supporting surface and an outer surface surrounding the supporting surface. The light emitting chip is disposed on the supporting surface and electrically connected to the carrier. The light transmission unit is disposed on the carrier and has a through hole. The dam is disposed between the carrier and the light transmission unit, and a hermetic receiving space is formed between the dam, the light transmission unit and the carrier. The light emitting chip is located in the hermetic receiving space and the dam has a side surface away from the hermetic receiving space. A gap is formed between the side surface and the outer surface, and the through hole is corresponded to a location between the side surface and the outer surface.