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. 20, 2025
Filed:
Oct. 19, 2021
Lg Chem, Ltd., Seoul, KR;
Dae Han Seo, Daejeon, KR;
Bu Gon Shin, Daejeon, KR;
Chang Yoon Lim, Daejeon, KR;
Soyoung Choo, Daejeon, KR;
Hyunjoo Son, Daejeon, KR;
LG Chem, Ltd., Seoul, KR;
Abstract
A system for observing an object by using a hologram optical element is disclosed herein. In some embodiments, a system for observing an object includes an infrared (IR) light source for emitting infrared light, a hologram optical element (HOE) including an optical element film, wherein the optical element film for reflecting and diffracting the emitted infrared light, wherein infrared light of a specific wavelength from among the emitted infrared light emitted is reflected towards the object, and an IR light detector for detecting the infrared light of a specific wavelength reflected from the object.