公开(公告)号：US12152771B1

公开(公告)日：2024-11-26

申请号：US18424209

申请日：2024-01-26

Applicant: Lextar Electronics Corporation

Inventor： Wei-Chung Cheng ,  Yun-Yi Tien ,  Jung-Cheng Chang ,  Min-Chen Chiu

IPC: F21V5/00 ,  F21V9/30 ,  F21Y115/10 ,  G02F1/13357

Abstract: An optical structure is provided. The optical structure includes a substrate and a light-emitting element disposed on the substrate. The optical structure also includes a cap disposed on the substrate and covering the light-emitting element. The cap has a top portion and a sidewall connected to the top portion. The optical structure further includes a first micro-structure disposed on a first side of the top portion facing the light-emitting element. The first micro-structure is periodically arranged.