US 12,156,462 B2
Display device and support film structure for display device
Chang Han Lee, Cheonan-si (KR); Myung Hwan Kim, Yongin-si (KR); Sang Yeol Kim, Hwaseong-si (KR); Woo Hyun Kim, Hwaseong-si (KR); Hyo Jin Kim, Suwon-si (KR); Kyoung Il Min, Hwaseong-si (KR); Tae Hyun Sung, Seoul (KR); Se Joong Shin, Cheonan-si (KR); Ho Ryun Chung, Suwon-si (KR); and Jae cheol Choi, Hwaseong-si (KR)
Assigned to SAMSUNG DISPLAY CO., LTD., Gyeonggi-do (KR)
Filed by Samsung Display Co., Ltd., Yongin-si (KR)
Filed on May 24, 2023, as Appl. No. 18/201,706.
Application 18/201,706 is a continuation of application No. 17/392,093, filed on Aug. 2, 2021, granted, now 11,690,280.
Application 17/392,093 is a continuation of application No. 16/364,181, filed on Mar. 26, 2019, granted, now 11,081,660, issued on Aug. 3, 2021.
Claims priority of application No. 10-2018-0051059 (KR), filed on May 3, 2018; and application No. 10-2019-0027870 (KR), filed on Mar. 12, 2019.
Prior Publication US 2023/0301165 A1, Sep. 21, 2023
This patent is subject to a terminal disclaimer.
Int. Cl. H10K 77/10 (2023.01); B32B 3/30 (2006.01); B32B 7/022 (2019.01); B32B 27/08 (2006.01); B32B 27/28 (2006.01); B32B 27/36 (2006.01); G06F 1/16 (2006.01); H04M 1/02 (2006.01); H05K 1/02 (2006.01); H05K 1/14 (2006.01); H10K 50/844 (2023.01); H10K 59/131 (2023.01); H10K 102/00 (2023.01)
CPC H10K 77/111 (2023.02) [B32B 3/30 (2013.01); B32B 7/022 (2019.01); B32B 27/08 (2013.01); B32B 27/281 (2013.01); B32B 27/36 (2013.01); G06F 1/1652 (2013.01); H04M 1/0268 (2013.01); H05K 1/0281 (2013.01); H05K 1/147 (2013.01); H10K 50/844 (2023.02); H10K 59/131 (2023.02); B32B 2457/206 (2013.01); H05K 2201/055 (2013.01); H05K 2201/10128 (2013.01); H10K 2102/311 (2023.02)] 15 Claims
OG exemplary drawing
 
1. A display device comprising:
a display panel comprising:
a display area comprising a first area that is bendable; and
a non-display area adjacent to the display area;
a support film coupled to a bottom surface of the display panel, the support film comprising a first groove overlapping with the first area; and
a polymer layer disposed in the first groove, the polymer layer comprising a material with higher flexibility than the support film,
wherein angles formed by a top surface of the support film and inner sides of the support film defining the first groove are acute angles,
wherein the support film comprises polyethylene terephthalate (PET), and
wherein the polymer layer comprises polyimide (PI).