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. 25, 2021
Filed:
Feb. 21, 2020
Samsung Electronics Co., Ltd., Suwon-si, KR;
Dae Young Chung, Suwon-si, KR;
Eun Joo Jang, Suwon-si, KR;
Oul Cho, Suwon-si, KR;
Hyun A Kang, Suwon-si, KR;
Tae Hyung Kim, Seoul, KR;
Yun Sung Woo, Yongin-si, KR;
Jeong Hee Lee, Seongnam-si, KR;
SAMSUNG ELECTRONICS CO., LTD., Gyeonggi-Do, KR;
Abstract
An electronic device includes a first electrode and a second electrode facing each other, an emission layer comprising a plurality of quantum dots, wherein the emission layer is disposed between the first electrode and the second electrode; a first charge auxiliary layer disposed between the first electrode and the emission layer; and an optical functional layer disposed on the second electrode on a side opposite the emission layer, wherein the first electrode includes a reflecting electrode, wherein the second electrode is a light-transmitting electrode, wherein a region between the optical functional layer and the first electrode comprises a microcavity structure, and a refractive index of the optical functional layer is greater than or equal to a refractive index of the second electrode.