US 12,481,169 B2
Optical system and head-up display
Yu-Chia Huang, Miao-Li County (TW); Tsung-Han Tsai, Miao-Li County (TW); and Kuan-Feng Lee, Miao-Li County (TW)
Assigned to Innolux Corporation, Miaoli (TW)
Filed by Innolux Corporation, Miao-Li County (TW)
Filed on Oct. 20, 2021, as Appl. No. 17/506,645.
Claims priority of application No. 202011311357.3 (CN), filed on Nov. 20, 2020.
Prior Publication US 2022/0163813 A1, May 26, 2022
Int. Cl. G02B 27/30 (2006.01); G02B 27/01 (2006.01); H01L 25/075 (2006.01); H10H 20/851 (2025.01); H10H 20/855 (2025.01); H10H 20/856 (2025.01)
CPC G02B 27/30 (2013.01) [G02B 27/0101 (2013.01); H01L 25/0753 (2013.01); H10H 20/851 (2025.01); H10H 20/855 (2025.01); H10H 20/856 (2025.01); G02B 2027/0118 (2013.01)] 10 Claims
OG exemplary drawing
 
1. An optical system, comprising:
a display, emitting a collimated light from a surface, comprising:
a plurality of light-emitting units;
an encapsulating layer covering the plurality of light-emitting units; and
a collimator disposed on the encapsulating layer and comprising a plurality of collimating units collimating an emitting light emitting from the plurality of light-emitting units; and
an optical element, disposed on a moving path of the collimated light,
wherein at least one of the plurality of collimating units has a first side and a second side, and a projection length of the first side is different from a projection length of the second side,
wherein an absolute value of a slope of the first side is different from an absolute value of a slope of the second side.