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. 02, 2023
Filed:
Sep. 27, 2018
Seoul Viosys Co., Ltd., Ansan-si, KR;
Chung Hoon Lee, Ansan-si, KR;
Sung Su Son, Ansan-si, KR;
Jong Ik Lee, Ansan-si, KR;
Jae Hee Lim, Ansan-si, KR;
Motonobu Takeya, Ansan-si, KR;
Seung Sik Hong, Ansan-si, KR;
SEOUL VIOSYS CO., LTD., Ansan-si, KR;
Abstract
A light emitting device including a first light emitting cell, a second light emitting cell, and a third light emitting cell each including a first conductivity type semiconductor layer, an active layer, and a second conductivity type semiconductor layer, pads electrically connected to the first, second, and third light emitting cells, a first wavelength converter configured to convert a wavelength of light emitted from the first light emitting cell into a first wavelength, and a second wavelength converter configured to convert a wavelength of light emitted from the second light emitting cell into a second wavelength longer than the first wavelength, in which the first light emitting cell has a larger area than the third light emitting cell, and the second light emitting cell has a larger area than the first light emitting cell.