公开(公告)号：US20230420604A1

公开(公告)日：2023-12-28

申请号：US18214808

申请日：2023-06-27

Applicant: Samsung Electronics Co., Ltd. ,  Seoul National University R&DB Foundation

Inventor： Dongho KIM ,  Howon Jang ,  Jehong OH ,  Kyungwook Hwang ,  Junsik Hwang

IPC: H01L33/00 ,  H01L33/62 ,  H01L33/16

CPC classification number: H01L33/0093 ,  H01L33/007 ,  H01L33/62 ,  H01L33/16

Abstract: Provided are a method of manufacturing a micro-LED and a method of manufacturing a display apparatus to which the method is applied. In the method of manufacturing a micro-LED, a membrane formed to include a cavity is formed on a substrate, and then, a sacrificial layer that may be selectively removed by wet etching is formed on the membrane. Next, a light-emitting device is formed on the sacrificial layer, and the light-emitting device is separated from the membrane by the wet etching. In an example, an undoped semiconductor layer may further be formed between the membrane and the sacrificial layer. The sacrificial layer may include an oxide layer having the same crystal lattice structure as that of the undoped semiconductor layer. In an example, another undoped semiconductor layer may further be formed between the sacrificial layer and the light-emitting device.

公开(公告)号：US20240310280A1

公开(公告)日：2024-09-19

申请号：US18594079

申请日：2024-03-04

Applicant: Samsung Electronics Co., Ltd.

Inventor： Wontaek Kim ,  Howon Jang ,  Sunghwan Cho ,  Soyoung Kim ,  Minsoo Suh ,  Jaeyeon Chung

IPC: G01N21/552 ,  C01B32/182 ,  G01N21/85

CPC classification number: G01N21/553 ,  C01B32/182 ,  G01N21/85 ,  C01B2204/02 ,  C01B2204/22

Abstract: Provided is a method of sensing organic impurities by using an SPR sensor, the method including bringing a target fluid into contact with the SPR sensor, and sensing the presence of organic impurities in the target fluid using adsorption and desorption of organic impurities to and from the SPR sensor.