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:
Mar. 30, 2017
Harvatek Corporation, Hsinchu, TW;
Zhi-Ting Ye, Hsinchu, TW;
Shyi-Ming Pan, Hsinchu, TW;
HARVATEK CORPORATION, Hsinchu, TW;
Abstract
A light emitting device includes a light emitting chip, a reflecting cup arranged on a side of the light emitting chip, and a package encapsulating the light emitting chip and the reflecting cup. The light emitting chip includes a first light emitting surface and a second light emitting surface coupled to the first light emitting surface. The reflecting cup has an inner surface facing the second light emitting surface of the light emitting chip. The reflecting cup arranges around a periphery of the second light emitting surface. The inner surface of the reflecting cup is a multifocal paraboloid. The multifocal paraboloid includes multistage paraboloids. The corresponding focus points of the multistage paraboloids are symmetrically distributed on the first light emitting surface of the light emitting chip.