US 9,810,813 B2
Display device and optical film included therein
Joong Hyun Kim, Asan-si (KR); Min Su Kim, Hwaseong-si (KR); Ju Youn Son, Hwaseong-si (KR); and Seung Hwan Chung, Asan-si (KR)
Assigned to SAMSUNG DISPLAY CO. LTD, Gyeonggi-Do (KR)
Filed by Samsung Display Co. Ltd., Yongin (KR)
Filed on Sep. 21, 2015, as Appl. No. 14/860,193.
Claims priority of application No. 10-2015-0036054 (KR), filed on Mar. 16, 2015.
Prior Publication US 2016/0274275 A1, Sep. 22, 2016
Int. Cl. G02F 1/1335 (2006.01); G02B 1/10 (2015.01); G02F 1/1333 (2006.01); G09F 9/00 (2006.01)
CPC G02B 1/10 (2013.01) [G02F 1/133308 (2013.01); G02F 1/133528 (2013.01); G09F 9/00 (2013.01); G02F 2001/133331 (2013.01)] 12 Claims
OG exemplary drawing
 
1. A display device comprising:
a display panel;
an optical film arranged on an upper portion of the display panel and including first and second intaglio pattern portions having different depths from each other;
a bonding member configured to contact at least a part of the display panel and a surface of the first intaglio pattern portion; and
an air layer configured to fill between a surface of the second intaglio pattern portion and the display panel.