US 12,405,416 B2
Electronic device
Yi-Cheng Lai, Miao-Li County (TW); Chih-Hung Liu, Miao-Li County (TW); Chih-Hung Hsu, Miao-Li County (TW); and I-Han Liu, Miao-Li County (TW)
Assigned to INNOLUX CORPORATION, Chu-Nan (TW)
Filed by InnoLux Corporation, Miao-Li County (TW)
Filed on Jun. 17, 2024, as Appl. No. 18/745,565.
Claims priority of provisional application 63/527,164, filed on Jul. 17, 2023.
Claims priority of application No. 202410319770.6 (CN), filed on Mar. 20, 2024.
Prior Publication US 2025/0028110 A1, Jan. 23, 2025
Int. Cl. F21V 8/00 (2006.01)
CPC G02B 6/0088 (2013.01) [G02B 6/0038 (2013.01); G02B 6/0055 (2013.01); G02B 6/0073 (2013.01)] 20 Claims
OG exemplary drawing
 
1. An electronic device, comprising:
a first substrate;
a first optical film disposed on the first substrate, wherein the first optical film includes an engaging portion; and
a second optical film disposed on the first substrate and including an upper surface and a lower surface opposite to each other, wherein the second optical film is in mutual interference with the engaging portion of the first optical film,
wherein the engaging portion includes a first portion, a second portion and an engaging structure, the first portion and the second portion are disposed on opposite sides of the engaging structure and arranged along a first direction perpendicular to a normal direction of the first substrate, one of the first portion and the second portion is disposed above the upper surface of the second optical film, and the other one is disposed below the lower surface of the second optical film;
wherein the first portion includes a first side and a second side opposite to the first side, the second portion includes a third side and a fourth side opposite to the third side, the first side is connected to the third side and the second side is not connected to the fourth side.