US 12,345,970 B2
Electrically controlled panel and display apparatus
Ping-Yen Chen, Hsin-Chu (TW); Hsin Huang, Hsin-Chu (TW); Chung-Yang Fang, Hsin-Chu (TW); and Ying-Hsiang Chen, Hsin-Chu (TW)
Assigned to Coretronic Corporation, Hsin-Chu (TW)
Filed by Coretronic Corporation, Hsin-Chu (TW)
Filed on Sep. 9, 2024, as Appl. No. 18/829,182.
Claims priority of application No. 202322577976.2 (CN), filed on Sep. 22, 2023.
Prior Publication US 2025/0102843 A1, Mar. 27, 2025
Int. Cl. G02F 1/13 (2006.01); G02F 1/1335 (2006.01); G02F 1/13363 (2006.01); G02F 1/1337 (2006.01)
CPC G02F 1/1323 (2013.01) [G02F 1/133531 (2021.01); G02F 1/133634 (2013.01); G02F 1/133638 (2021.01); G02F 1/1337 (2013.01)] 11 Claims
OG exemplary drawing
 
1. A display apparatus, comprising:
a backlight module;
a display panel disposed on the backlight module;
a first electrically controlled device disposed between the backlight module and the display panel, and comprising:
a first alignment layer having a first alignment direction;
a second alignment layer having a second alignment direction; and
a first liquid-crystal layer disposed between the first alignment layer and the second alignment layer, wherein an included angle between the first alignment direction of the first alignment layer and the second alignment direction of the second alignment layer is between 75 degrees and 105 degrees, and a phase retardation of the first liquid-crystal layer is between 400 nm and 600 nm or between 800 nm and 1200 nm;
a first polarizing layer disposed between the backlight module and the first electrically controlled device, and having a first absorption axis parallel or perpendicular to the first alignment direction; and
a first compensation film disposed between the first polarizing layer and the display panel.