US 11,965,118 B2
Adhesive composition and display device
On Nu Ri Kim, Hwaseong-si (KR); Young Hye Son, Seoul (KR); and Sang Gu Lee, Hwaseong-si (KR)
Assigned to SAMSUNG DISPLAY CO., LTD., Yongin-si (KR)
Filed by Samsung Display Co., LTD., Yongin-si (KR)
Filed on Aug. 25, 2021, as Appl. No. 17/411,758.
Claims priority of application No. 10-2020-0151945 (KR), filed on Nov. 13, 2020.
Prior Publication US 2022/0154050 A1, May 19, 2022
Int. Cl. C09J 133/08 (2006.01); C08F 20/06 (2006.01); C08K 5/101 (2006.01); C08K 5/29 (2006.01); C09J 5/06 (2006.01); C09J 11/06 (2006.01); G02F 1/01 (2006.01); H10K 30/80 (2023.01); H10K 50/80 (2023.01); H10K 77/10 (2023.01); H10K 85/10 (2023.01)
CPC C09J 133/08 (2013.01) [C08F 20/06 (2013.01); C08K 5/101 (2013.01); C08K 5/29 (2013.01); C09J 5/06 (2013.01); C09J 11/06 (2013.01); H10K 30/80 (2023.02); H10K 77/111 (2023.02); G02F 1/01 (2013.01); H10K 50/80 (2023.02); H10K 85/10 (2023.02); Y10T 428/31 (2015.01)] 11 Claims
OG exemplary drawing
 
1. A display device comprising:
a display panel including a first surface disposed on a front side; and
a front laminated structure disposed on the first surface of the display panel, wherein
the front laminated structure includes a cover window and at least one bonding member, the at least one bonding member includes a window bonding member that attaches the cover window to the first surface of the display panel;
a storage modulus of the window bonding member at a temperature of about −20° C. divided by a storage modulus of the window bonding member at a temperature of about 60° C. is greater than about 1 and less than about 10, and
a ratio of a loss modulus of the window bonding member to a storage modulus of the window bonding member at a frequency in a range of about 1 kHz to about 100 kHz is in a range from about 1.4 to about 1.9.