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:
Aug. 11, 2026
Filed:
Dec. 12, 2023
Electronics and Telecommunications Research Institute, Daejeon, KR;
Hyun Eui Kim, Cheongju-si, KR;
ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE, Daejeon, KR;
Abstract
An optical system for hologram displays is disclosed. According to an embodiment of a present disclosure, the optical system comprising a polarizing beam splitter for reflecting a light wave when the light wave is horizontally polarized or transmitting a light wave when the light wave is vertically polarized, a second quarter wave plate, a half mirror, and a first quarter wave plate, sequentially arranged in a first direction from the polarizing beam splitter, a third quarter wave plate and a first mirror, sequentially arranged in a second direction from the polarizing beam splitter, a fourth quarter wave plate and a second mirror, sequentially arranged in a third direction from the polarizing beam splitter, which is a direction opposite to the second direction and a reflective polarizer arranged in a fourth direction from the polarizing beam splitter.