US 11,656,493 B1
Display apparatus
Chao-Wei Li, Hsinchu (TW); Wei-Ming Cheng, Hsinchu (TW); and Yi-Ling Lin, Hsinchu (TW)
Assigned to Au Optronics Corporation, Hsinchu (TW)
Filed by Au Optronics Corporation, Hsinchu (TW)
Filed on Jun. 20, 2022, as Appl. No. 17/844,074.
Claims priority of application No. 110148375 (TW), filed on Dec. 23, 2021.
Int. Cl. G02F 1/1335 (2006.01); G02F 1/1347 (2006.01)
CPC G02F 1/133512 (2013.01) [G02F 1/1347 (2013.01); G02F 1/13473 (2013.01); G02F 1/13478 (2021.01); G02F 2201/343 (2013.01); G02F 2203/02 (2013.01)] 11 Claims
OG exemplary drawing
 
1. A display apparatus, having a plurality of pixel areas, and comprising:
a first cholesteric liquid crystal panel, having a light receiving surface;
a second cholesteric liquid crystal panel, overlapping the first cholesteric liquid crystal panel, and disposed on a side of the first cholesteric liquid crystal panel away from the light receiving surface; and
a third cholesteric liquid crystal panel, overlapping the second cholesteric liquid crystal panel, and disposed on a side of the second cholesteric liquid crystal panel away from the first cholesteric liquid crystal panel,
wherein one of the first cholesteric liquid crystal panel, the second cholesteric liquid crystal panel, and the third cholesteric liquid crystal panel is provided with a plurality of first light shielding patterns separated from each other, the first light shielding patterns are separately arranged along a first direction and a second direction, and the first direction is perpendicular to the second direction.