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:
Jul. 06, 2021
Filed:
Jan. 24, 2019
Applicant:
Seoul Semiconductor Co., Ltd., Ansan-si, KR;
Inventors:
Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01L 33/50 (2010.01); F21V 8/00 (2006.01); H01L 33/60 (2010.01); G02F 1/1335 (2006.01);
U.S. Cl.
CPC ...
H01L 33/505 (2013.01); G02B 6/0073 (2013.01); H01L 33/60 (2013.01); G02F 1/133614 (2021.01);
Abstract
A backlight unit including a light guide plate, a first light source and a second light source adjacent to the light guide plate, each of the light sources including a light emitting diode chip including a substrate and a semiconductor stack disposed on the substrate, a wavelength conversion layer covering the light emitting diode chip, and a plurality of reflectors disposed on at least two opposing side surfaces of the light emitting diode chip, in which at least a portion of the wavelength conversion layer of the first light source facing the second light source is exposed by the reflectors.