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:
Aug. 28, 2018
Filed:
Aug. 09, 2017
Unistars Corporation, Zhudong Township, TW;
Hsin-Hsien Hsieh, Taoyuan, TW;
Shang-Yi Wu, Hsinchu, TW;
UNISTARS CORPORATION, Zhudong Township, TW;
Abstract
A light emitting device includes a carrier, a light emitting chip, and a covering part disposed on the carrier. The carrier includes a board, a guiding metal layer, and a sealing material. The board has a first surface, a second surface, and a through vent that is divided into a first partial hole and a second partial hole. The first partial hole extends from the first surface to the second partial hole, and the second partial hole extends from the second surface to the first partial hole. The guiding metal layer is formed on the second surface and in the second partial hole, and covers the sidewall of the second partial hole. The guiding metal layer extends from the second partial hole to the second surface, and does not cover the sidewall of the first partial hole and the first surface. The sealing material seals the second partial hole.