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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 9087964 B1

PDFFull Text
Date of Patent:
Jul. 21, 2015

Filed:

Oct. 15, 2013

Light-emitting device

Applicants:

Kaoru Hatano, Atsugi, JP;

Naoyuki Senda, Atsugi, JP;

Manabu Niboshi, Osaka, JP;

Katsuhiro Kikuchi, Osaka, JP;

Shinichi Kawato, Osaka, JP;

Takashi Ochi, Osaka, JP;

Yuto Tsukamoto, Osaka, JP;

Tomohiro Kosaka, Osaka, JP;

Tomofumi Osaki, Osaka, JP;

Inventors:

Kaoru Hatano, Atsugi, JP;

Naoyuki Senda, Atsugi, JP;

Manabu Niboshi, Osaka, JP;

Katsuhiro Kikuchi, Osaka, JP;

Shinichi Kawato, Osaka, JP;

Takashi Ochi, Osaka, JP;

Yuto Tsukamoto, Osaka, JP;

Tomohiro Kosaka, Osaka, JP;

Tomofumi Osaki, Osaka, JP;

Assignees:

Semiconductor Energy Laboratory Co., Ltd., Atsugi-shi, Kanagawa-ken, JP;

Sharp Kabushiki Kaisha, Osaka-shi, Osaka, JP;

Attorneys:

Eric J. Robinson

Robinson Intellectual Property Law Office, P.C.

Primary Examiner:

Shaun Campbell

Assistant Examiner:

Ismail Muse

Int. Cl.
CPC ...
H01L 33/00 (2010.01); H01L 29/18 (2006.01); H01L 33/36 (2010.01); H01L 27/32 (2006.01); H01L 51/50 (2006.01); H01L 51/52 (2006.01);
U.S. Cl.
CPC ...
H01L 33/36 (2013.01); H01L 27/3246 (2013.01); H01L 51/5044 (2013.01); H01L 51/525 (2013.01);
Abstract

Occurrence of a crosstalk phenomenon is suppressed in a light-emitting device including a tandem element. A light-emitting device includes a first lower electrode and a second lower electrode over an insulating layer; a partition which is formed over the insulating layer and positioned between the first lower electrode and the second lower electrode; a projecting object formed over the partition; a first light-emitting unit over each of the first lower electrode, the partition, the projecting object, and the second lower electrode; an intermediate layer over the first light-emitting unit; a second light-emitting unit over the intermediate layer; and an upper electrode over the second light-emitting unit. A recess is formed by a side surface of the projecting object and a side surface of the partition.

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