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:
Jan. 21, 2025
Filed:
Dec. 27, 2021
Applicant:
Lg Display Co., Ltd., Seoul, KR;
Inventors:
Hong Seok Choi, Seoul, KR;
Chun Ki Kim, Seoul, KR;
Ahn Ki Kim, Busan, KR;
Kyung Hoon Han, Paju-si, KR;
Assignee:
LG DISPLAY CO., LTD., Seoul, KR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01L 27/32 (2006.01); H10K 59/122 (2023.01); H10K 59/38 (2023.01);
U.S. Cl.
CPC ...
H10K 59/38 (2023.02); H10K 59/122 (2023.02);
Abstract
A light-emitting device includes a light-emitting layer between a first electrode and a second electrode, he light emitted from the light-emitting device may display a white color, the light-emitting layer may include a plurality of emission stacks, each of the emission stacks includes at least one emission material layer, one of the emission stacks may include a stacked structure of a red emission material layer and a blue emission material layer, thus improving the white balance and increasing color viewing angle.