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.

Date of Patent:
May. 30, 2017

Filed:

Mar. 04, 2016
Applicant:

Kabushiki Kaisha Toshiba, Tokyo, JP;

Inventors:

Katsufumi Kondo, Nanoichi Ishikawa, JP;

Kenji Fujimoto, Yokohama Kanagawa, JP;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01L 33/14 (2010.01); H01L 33/38 (2010.01); H01L 33/62 (2010.01); H01L 33/22 (2010.01); H01L 33/24 (2010.01); H01L 33/54 (2010.01); H01L 33/56 (2010.01); H01L 33/58 (2010.01); H01L 33/30 (2010.01); H01L 33/40 (2010.01);
U.S. Cl.
CPC ...
H01L 33/38 (2013.01); H01L 33/14 (2013.01); H01L 33/22 (2013.01); H01L 33/24 (2013.01); H01L 33/30 (2013.01); H01L 33/405 (2013.01); H01L 33/54 (2013.01); H01L 33/56 (2013.01); H01L 33/58 (2013.01); H01L 33/62 (2013.01);
Abstract

A light-emitting device includes a substrate that is capable of transmitting light, a conductive layer that includes a first conductive portion provided on the substrate and a second conductive portion which is provided on the substrate so as to be adjacent to the first conductive portion, The second conductive portion is thinner than the first conductive portion. A light emitting layer is provided on the first conductive portion. A first electrode is provided on the second conductive portion. A second electrode is provided on the light emitting layer. In some embodiments, a backside surface of the substrate may be processed to be optically rough so as to limit internal reflections.


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