US 12,468,209 B2
Viewing angle controlling device
Kazuto Jitsui, Miao-Li County (TW)
Assigned to InnoLux Corporation, Miao-Li County (TW)
Filed by InnoLux Corporation, Miao-Li County (TW)
Filed on Aug. 16, 2023, as Appl. No. 18/234,867.
Prior Publication US 2025/0060646 A1, Feb. 20, 2025
Int. Cl. G02F 1/29 (2006.01)
CPC G02F 1/29 (2013.01) 19 Claims
OG exemplary drawing
 
1. A viewing angle controlling device, comprising:
a first substrate;
a second substrate disposed opposite to the first substrate;
a viewing angle controlling medium disposed between the first substrate and the second substrate;
a first alignment layer disposed between the first substrate and the viewing angle controlling medium and having a first anchoring strength;
a second alignment layer disposed between the second substrate and the viewing angle controlling medium and having a second anchoring strength;
a first polarizer, wherein the first substrate is disposed between the first polarizer and the first alignment layer; and
a compensation layer disposed between the first polarizer and the viewing angle controlling medium,
wherein the first anchoring strength is less than the second anchoring strength,
wherein a material of the first alignment layer is different from a material of the second alignment layer.