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:
Jul. 21, 2026
Filed:
Jul. 18, 2024
Samsung Electronics Co., Ltd., Suwon-si, KR;
Sunil Kim, Suwon-si, KR;
Byonggwon Song, Suwon-si, KR;
Minkyung Lee, Suwon-si, KR;
Byunggil Jeong, Suwon-si, KR;
SAMSUNG ELECTRONICS CO., LTD., Suwon-si, KR;
Abstract
A spatial light modulator for modulating a phase of incident light and emitting phase-modulated light includes a substrate, a plurality of pixels, and a void block layer. Each pixel of the plurality of pixels includes an upper reflective layer, a lower reflective layer, and a cavity layer disposed between the upper reflective layer and the lower reflective layer and having a refractive index that changes based on an electrical signal. The void block layer includes a plurality of pillars supporting the plurality of pixels and separating the plurality of pixels from the substrate, and void regions formed between the substrate and the plurality of pixels.