US 12,469,827 B2
Electronic device with light absorbing layer between light emitting elements and manufacturing method thereof
Chang-Ching Wu, Miao-Li County (TW); Chia-Chun Liu, Miao-Li County (TW); Yun-Sheng Chen, Miao-Li County (TW); Hao-Jung Huang, Miao-Li County (TW); and Ker-Yih Kao, Miao-Li County (TW)
Assigned to Innolux Corporation, Miao-Li County (TW)
Filed by Innolux Corporation, Miao-Li County (TW)
Filed on Mar. 14, 2022, as Appl. No. 17/693,452.
Claims priority of provisional application 63/172,724, filed on Apr. 9, 2021.
Claims priority of application No. 202111350984.2 (CN), filed on Nov. 15, 2021.
Prior Publication US 2022/0328459 A1, Oct. 13, 2022
Int. Cl. H01L 25/075 (2006.01); H10H 20/01 (2025.01); H10H 20/852 (2025.01)
CPC H01L 25/0753 (2013.01) [H10H 20/852 (2025.01); H10H 20/0362 (2025.01)] 12 Claims
OG exemplary drawing
 
1. An electronic device, comprising:
a substrate;
a plurality of light emitting elements, disposed on the substrate, wherein one of the plurality of light emitting elements has at least one lateral surface;
a light absorbing layer, disposed on the substrate and located between two of the plurality of light emitting elements that are adjacent to each other, wherein the light absorbing layer contacts the at least one lateral surface,
a protection layer, disposed on the light absorbing layer and the plurality of light emitting elements, and has a matte surface, wherein a height of the light absorbing layer is greater than a height of the plurality of light emitting elements, and the light absorbing layer exposes a top surface of the plurality of light emitting elements,
wherein the light absorbing layer comprises a plurality of openings, and the plurality of openings have a U shape respectively, and
wherein the protection layer covers the light absorbing layer, and a portion of the protection layer fills the plurality of openings.