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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 11005074 B1

PDFFull Text
Date of Patent:
May. 11, 2021

Filed:

May. 04, 2020

Display device

Applicant:

Innolux Corporation, Miao-Li County, TW;

Inventors:

Shun-Yuan Hu, Miao-Li County, TW;

Tsau-Hua Hsieh, Miao-Li County, TW;

Tzu-Min Yan, Miao-Li County, TW;

Ming-Chang Lin, Miao-Li County, TW;

Yu-Hsin Liu, Miao-Li County, TW;

Shu-Ming Kuo, Miao-Li County, TW;

Ming-I Chao, Miao-Li County, TW;

Assignee:

INNOLUX CORPORATION, Miao-Li County, TW;

Attorney:

McClure, Qualey & Rodack, LLP

Primary Examiner:

Brian Turner

Int. Cl.
CPC ...
H01L 33/50 (2010.01); H01L 33/64 (2010.01); H01L 33/46 (2010.01); H01L 33/58 (2010.01); H01L 51/52 (2006.01); H01L 25/075 (2006.01); H01L 33/62 (2010.01); H05B 45/00 (2020.01); H01L 25/16 (2006.01); H01L 33/44 (2010.01); H01L 33/54 (2010.01); H01L 33/20 (2010.01);
U.S. Cl.
CPC ...
H01L 51/5268 (2013.01); H01L 25/0753 (2013.01); H01L 33/62 (2013.01); H01L 51/5275 (2013.01); H05B 45/00 (2020.01); H01L 25/167 (2013.01); H01L 33/20 (2013.01); H01L 33/44 (2013.01); H01L 33/54 (2013.01); H01L 2933/0091 (2013.01);
Abstract

A display device is provided. The display device includes a light-emitting unit. The light-emitting unit includes a light-emitting part, wherein a light extraction structure is disposed on a first surface of the light-emitting part. The light-emitting unit also includes a connective part disposed on a second surface opposite to the first surface of the light-emitting part. The light-emitting unit further includes a protective part surrounding the light-emitting part and the connective part. In addition, the display device includes a substrate having a plurality of active elements and at least one bonding pad, wherein the bonding pad is electrically connected to the corresponding connective part of the light-emitting unit. The roughness of the light extraction structure is greater than or equal to 0.2 μm and less than or equal to 5 μm.

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