公开(公告)号：US11916172B2

公开(公告)日：2024-02-27

申请号：US17244690

申请日：2021-04-29

Applicant: PlayNitride Display Co., Ltd.

Inventor： Shiang-Ning Yang ,  Yi-Min Su ,  Yu-Yun Lo ,  Bo-Wei Wu ,  Tzu-Yu Ting

IPC: H01L33/44 ,  H01L25/075 ,  H01L25/16 ,  H01L21/683 ,  H01L21/67 ,  H01L33/54 ,  H01L33/12 ,  H01L33/20 ,  H01L33/00 ,  H01L33/58

CPC classification number: H01L33/44 ,  H01L25/0753 ,  H01L25/167 ,  H01L33/12 ,  H01L33/20 ,  H01L2933/0025

Abstract: An epitaxial structure adapted to a semiconductor pickup element is provided. The semiconductor pickup element has at least one guiding structure and provided with a pickup portion. The epitaxial structure includes a semiconductor layer corresponding to the pickup portion and capable of being picked up by the semiconductor pickup element. The epitaxial structure also includes at least one alignment structure disposed on the semiconductor layer and corresponding to the at least one guiding structure, so that the epitaxial structure and the semiconductor pickup element are positioned relative to each other. The number of the at least one alignment structure matches the number of the at least one guiding structure.

公开(公告)号：US11843024B2

公开(公告)日：2023-12-12

申请号：US17093588

申请日：2020-11-09

Applicant: PlayNitride Display Co., Ltd.

Inventor： Yu-Yun Lo ,  Bo-Wei Wu ,  Yi-Chun Shih ,  Tzu-Yu Ting ,  Kuan-Yung Liao

IPC: H01L27/15 ,  H01L33/00 ,  H01L33/48 ,  H01L33/38

CPC classification number: H01L27/156 ,  H01L33/005 ,  H01L33/382 ,  H01L33/486

Abstract: A micro LED display device includes a micro light emitting unit, a conductive structure and a substrate. The micro light emitting unit includes a plurality of micro light emitting elements, and each of the micro light emitting elements includes a semiconductor structure and an electrode structure. The semiconductor structure includes a first type semiconductor layer, a light emitting layer and a second type semiconductor layer. The electrode structure includes a first type electrode and a second type electrode. The conductive structure includes a first type conductive layer and a second type conductive layer. The first type conductive layer is electrically connected to the first type electrode, and the second type conductive layer is electrically connected to the second type electrode. The micro light emitting unit is disposed on the substrate, and the electrode structure is disposed toward the substrate and includes a gap therebetween.