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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.:

US 9786859 B1

PDFFull Text
Date of Patent:
Oct. 10, 2017

Filed:

May. 13, 2014

Organic electroluminescent element and lighting device

Applicant:

Panasonic Intellectual Property Management Co., Ltd., Osaka, JP;

Inventors:

Kazuyuki Yamae, Nara, JP;

Hiroya Tsuji, Kyoto, JP;

Varutt Kittichungchit, Osaka, JP;

Assignee:

PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD., Osaka, JP;

Attorney:

Greenblum & Bernstein, P.L.C.

Primary Examiner:

Hung Vu

Int. Cl.
CPC ...
H01L 29/08 (2006.01); H01L 51/50 (2006.01); H01L 51/52 (2006.01); C09K 11/06 (2006.01); H01L 27/32 (2006.01);
U.S. Cl.
CPC ...
H01L 51/504 (2013.01); C09K 11/06 (2013.01); H01L 27/3209 (2013.01); H01L 51/5012 (2013.01); H01L 51/5016 (2013.01); H01L 51/5044 (2013.01); H01L 51/5206 (2013.01); H01L 51/5221 (2013.01); H01L 51/5237 (2013.01); H01L 51/5268 (2013.01); H01L 2251/5307 (2013.01); H01L 2251/5361 (2013.01); H01L 2251/5376 (2013.01);
Abstract

An organic electroluminescent element including at least three light-emitting units. The at least three light-emitting units include one or more short-wavelength light-emitting units having a weighted average emission wavelength λof 380 or more and less than 550 nm, and two or more long-wavelength light-emitting units having a weighted average emission wavelength λof 550 nm or more and 780 nm or less. The two or more long-wavelength light-emitting units are greater in number than the one or more short-wavelength light-emitting units.

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Yamae, Kazuyuki. (2017). Organic electroluminescent element and lighting device (U.S. Patent No. 9786859). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/9786859

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