The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
May. 14, 2024
Filed:
Feb. 15, 2022
Samsung Electronics Co., Ltd., Suwon-si, KR;
Insung Joe, Seoul, KR;
Jonghwa Shin, Daejeon, KR;
Joonkyo Jung, Daejeon, KR;
Jong Uk Kim, Hwaseong-si, KR;
Samsung Electronics Co., Ltd., Gyeonggi-do, KR;
Korea Advanced Institute of Science and Technology, Daejeon, KR;
Abstract
A light sensing device includes a semiconductor layer including a distributed Bragg reflector including a first surface of the semiconductor layer, and a photoelectric conversion unit including a second surface of the semiconductor layer, and the distributed Bragg reflector has a plurality of holes each having, in a cross-sectional view, a width gradually changing from a first width to a second width according to a width change period; a first electrode in one region of the semiconductor layer; and a second electrode on the second surface of the semiconductor layer and having a reflective metal.