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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 12777565 B1

PDFFull Text
Date of Patent:
Oct. 27, 2026

Filed:

Sep. 27, 2021

Light-emitting apparatus, electronic device, and lighting device

Applicant:

Semiconductor Energy Laboratory Co., Ltd., Atsugi, JP;

Inventors:

Takeyoshi Watabe, Atsugi, JP;

Airi Ueda, Zama, JP;

Yuta Kawano, Yokohama, JP;

Tomohiro Kubota, Atsugi, JP;

Nobuharu Ohsawa, Zama, JP;

Satoshi Seo, Sagamihara, JP;

Assignee:

Semiconductor Energy Laboratory Co., Ltd., Atsugi, JP;

Attorney:

Fish & Richardson P.C.

Primary Examiner:

Andrew K Bohaty

Int. Cl.
CPC ...
H01L 51/54 (2006.01); H05B 33/02 (2006.01); H05B 33/10 (2006.01); H05B 33/12 (2006.01); H05B 33/22 (2006.01); H10K 59/38 (2023.01); H10K 59/80 (2023.01); G02B 5/20 (2006.01); H10K 50/15 (2023.01); H10K 50/16 (2023.01); H10K 59/90 (2023.01); H10K 85/60 (2023.01);
U.S. Cl.
CPC ...
H05B 33/12 (2013.01); H05B 33/02 (2013.01); H05B 33/10 (2013.01); H05B 33/22 (2013.01); H10K 59/38 (2023.02); H10K 59/879 (2023.02); G02B 5/201 (2013.01); H10K 50/15 (2023.02); H10K 50/16 (2023.02); H10K 59/876 (2023.02); H10K 59/90 (2023.02); H10K 85/615 (2023.02); H10K 85/633 (2023.02); H10K 85/654 (2023.02); H10K 85/6572 (2023.02);
Abstract

A light-emitting device with low power consumption is provided. The light-emitting apparatus including a first light-emitting device and a first color conversion layer. The first light-emitting device includes an anode, a cathode, and an EL layer between the anode and the cathode. The EL layer includes a layer including a material with an ordinary refractive index higher than or equal to 1.50 and lower than 1.75 with respect to light with a wavelength longer than or equal to 455 nm and shorter than or equal to 465 nm. The first color conversion layer includes a first substance that absorbs light and emits light. An ordinary refractive index of the first color conversion layer with respect to light with a wavelength longer than or equal to 455 nm and shorter than or equal to 465 nm is higher than or equal to 1.40 and lower than or equal to 2.10. The first color conversion layer is on an optical path of the light emitted from the first light-emitting device to an outside of the light-emitting apparatus.

Find Patent Forward Citations

Watabe, Takeyoshi. (2026). Light-emitting apparatus, electronic device, and lighting device (U.S. Patent No. 12777565). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/12777565

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

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