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. 31, 2022
Filed:
Dec. 15, 2019
Samsung Display Co., Ltd., Yongin-si, KR;
Chang Ok Kim, Hwaseong-si, KR;
Chui Min Bae, Hwaseong-si, KR;
Ji Hye Han, Seoul, KR;
Tae Wook Kang, Seongnam-si, KR;
Yong Seok Kim, Seoul, KR;
Shin Il Choi, Hwaseong-si, KR;
Samsung Display Co., Ltd., Yongin-si, KR;
Abstract
A light unit including: a light source; and an optical member that transmits and converts light emitted from the light source, wherein the optical member includes: a light guide; a low refractive index layer that is disposed on the light guide and has a lower refractive index than that of the light guide; a first capping layer that is disposed on the low refractive index layer; and a wavelength conversion layer that is disposed on the first capping layer and includes quantum dots, and the light guide includes a transparent metal oxide.