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:
Aug. 03, 2021
Filed:
Dec. 27, 2017
Applicant:
Xianyang Chvt New Display Technology Co., Ltd., Xianyang, CN;
Inventors:
Junichi Tanaka, Yonezawa, JP;
Mitsuru Morimoto, Yonezawa, JP;
Assignee:
XIANYANG CHVT NEW DISPLAY TECHNOLOGY CO., LTD., Xianyang, CN;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01L 51/50 (2006.01); H01L 27/32 (2006.01); H05B 33/14 (2006.01);
U.S. Cl.
CPC ...
H01L 51/5064 (2013.01); H01L 27/3209 (2013.01); H01L 51/504 (2013.01); H05B 33/14 (2013.01);
Abstract
This organic EL element has one blue light emitting unit, and has a continuous emission spectrum. The organic EL element has one or two peak wavelengths in a blue light wavelength range of 440 nm-490 nm within this emission spectrum, the correlated color temperature of white light is 3300K or greater, and according to a special color rendering index (Ri) of white light, R6 is 60 or greater and R12 is 30 or greater.