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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 11316138 B1

PDFFull Text
Date of Patent:
Apr. 26, 2022

Filed:

Nov. 05, 2019

Display device and manufacturing method thereof

Applicant:

Samsung Display Co., Ltd., Yongin-si, KR;

Inventors:

Tae Hyun Sung, Seoul, KR;

Woo Hyun Kim, Hwaseong-si, KR;

Hyo Jin Kim, Suwon-si, KR;

Assignee:

SAMSUNG DISPLAY CO., LTD., Gyeonggi-Do, KR;

Attorney:

Cantor Colburn LLP

Primary Examiner:

Xiaoliang Chen

Int. Cl.
CPC ...
H05K 1/00 (2006.01); H05K 1/02 (2006.01); H05K 3/00 (2006.01); H05K 3/22 (2006.01); H05K 3/46 (2006.01); H01L 21/02 (2006.01); H01L 21/306 (2006.01); H01L 27/12 (2006.01); H01L 27/32 (2006.01); H01L 51/00 (2006.01); H01L 51/52 (2006.01); H01L 51/56 (2006.01); G02F 1/136 (2006.01); G02F 1/1335 (2006.01); G02F 1/1337 (2006.01); G02F 1/1343 (2006.01); G06F 1/16 (2006.01); G06F 3/041 (2006.01); G06F 3/044 (2006.01); H05K 1/14 (2006.01); H05K 1/18 (2006.01);
U.S. Cl.
CPC ...
H01L 51/56 (2013.01); H01L 51/0097 (2013.01); H05K 1/147 (2013.01); H05K 1/189 (2013.01); H01L 27/3244 (2013.01);
Abstract

A manufacturing method of a display device, includes: providing a display module bendable at a bending area and including: a passivation film including a polyimide and disposed both in and outside of the bending area, and an adhesive layer attaching a display panel to the passivation film and including a first adhesive portion in the bending area and a second adhesive portion outside of the bending area; reducing an adhesive force of the first adhesive portion, by irradiating a first laser which is a COlaser to the adhesive layer at the bending area, to provide the first adhesive portion which has reduced adhesive force; providing a groove in the passivation film and the adhesive layer, along a boundary of the bending area; and removing the passivation film and the first adhesive portion which has the reduced adhesive force, from the display panel, at the groove.

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