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.

Date of Patent:
Feb. 03, 2026

Filed:

May. 18, 2022
Applicant:

Samsung Electronics Co., Ltd., Suwon-si, KR;

Inventors:

Sunil Kim, Osan-si, KR;

Junghyun Park, Seoul, KR;

Minkyung Lee, Suwon-si, KR;

Byunggil Jeong, Anyang-si, KR;

Assignee:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G01S 7/481 (2006.01); G02B 5/18 (2006.01); G02B 5/28 (2006.01);
U.S. Cl.
CPC ...
G01S 7/4811 (2013.01); G02B 5/1814 (2013.01); G02B 5/28 (2013.01);
Abstract

A spatial light modulator and a light detection and ranging (LiDAR) apparatus including the spatial light modulator are provided. The spatial light modulator includes: a first reflective layer; a second reflective layer comprising a plurality of grating structures spaced apart from each other; a resonance layer provided between the first reflective layer and the second reflective layer; and a filling layer having a heat transfer coefficient of about 100 mW/mK or less and being in contact with an upper surface of the resonance layer while surrounding at least one grating structure of the plurality of grating structures.


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