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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 10741777 B1

PDFFull Text
Date of Patent:
Aug. 11, 2020

Filed:

Nov. 29, 2018

Stretchable display

Applicant:

Electronics and Telecommunications Research Institute, Daejeon, KR;

Inventors:

Chi-Sun Hwang, Daejeon, KR;

Seung Youl Kang, Daejeon, KR;

Byoung-Hwa Kwon, Daejeon, KR;

Gi Heon Kim, Daejeon, KR;

Seong Hyun Kim, Daejeon, KR;

Jaehyun Moon, Daejeon, KR;

Young Sam Park, Daejeon, KR;

Seongdeok Ahn, Daejeon, KR;

Jeong Ik Lee, Daejeon, KR;

Sung Haeng Cho, Cheongju-si, KR;

Assignee:

Electronics and Telecommunications Research Institute, Daejeon, KR;

Attorney:

Rabin & Berdo, P.C.

Primary Examiner:

Mohammed Shamsuzzaman

Assistant Examiner:

Aaron J Gray

Int. Cl.
CPC ...
H01L 51/00 (2006.01); H01L 51/52 (2006.01); H01L 51/56 (2006.01); H01L 27/32 (2006.01); B32B 7/12 (2006.01); B32B 27/08 (2006.01);
U.S. Cl.
CPC ...
H01L 51/0097 (2013.01); B32B 7/12 (2013.01); B32B 27/08 (2013.01); H01L 27/3276 (2013.01); H01L 51/5253 (2013.01); H01L 51/56 (2013.01); B32B 2457/206 (2013.01); H01L 51/003 (2013.01); H01L 2227/326 (2013.01); H01L 2251/5338 (2013.01);
Abstract

Provided is a stretchable display including an elastic body, a light emitting unit on the elastic body, and a wiring unit on the elastic body, wherein the light emitting unit includes a first substrate unit on the elastic body, a buffer layer on the first substrate unit, and a light emitting element on the buffer layer, the wiring unit includes a second substrate unit on the elastic body, a driving element configured to control the light emitting element, a wiring configured to electrically connect the driving element and the light emitting element, and an insulation layer configured to cover the driving element and the wiring, the light emitting unit and the wiring unit have respective corrugation structures, a thickness of the light emitting unit is larger than that of the wiring unit, a modulus of elasticity of the buffer layer is larger than that of the insulation layer, and a modulus of elasticity of the elastic body is smaller than that of the insulation layer.

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