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:
Oct. 13, 2020
Filed:
Aug. 08, 2019
Applicant:
Samsung Display Co., Ltd., Yongin-Si, Gyeonggi-Do, KR;
Inventors:
Chang Ok Kim, Hwaseong-si, KR;
Chul Min Bae, Hwaseong-si, KR;
Ji Hye Han, Seoul, KR;
Junghwan Yi, Hwaseong-si, KR;
Shin Il Choi, Hwaseong-si, KR;
Assignee:
Samsung Display Co., Ltd., , KR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F21V 8/00 (2006.01); G02B 5/28 (2006.01);
U.S. Cl.
CPC ...
G02B 6/005 (2013.01); G02B 5/283 (2013.01); G02B 6/0088 (2013.01);
Abstract
A backlight unit may include a light source, a light guide plate neighboring the light source, a low refractive index layer disposed on the light guide plate, a blocking layer disposed on the low refractive index layer, and a wavelength conversion layer disposed on the blocking layer and including quantum dots. A refractive index of the low refractive index layer may be less than a refractive index of the light guide plate.