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:
May. 14, 2019
Filed:
May. 19, 2016
Lg Innotek Co., Ltd., Seoul, KR;
Chong Cook Kim, Seoul, KR;
LG INNOTEK CO., LTD., Seoul, KR;
Abstract
Disclosed in an embodiment is a light emitting device comprising: a first semiconductor layer; an active layer disposed on the first semiconductor layer and comprising a plurality of well layers and a plurality of barrier layers; and a second semiconductor layer disposed on the active layer. The active layer comprises at least one first well layer which emits light of a first wavelength range and at least one second well layer which emits light of a second wavelength range, wherein the light of the first wavelength range has a first peak in the 450 nm to 499 nm wavelength region, and the light of the second wavelength range has a second peak in the 500 nm to 550 nm wavelength region.