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. 19, 2022
Filed:
Aug. 07, 2020
Electronics and Telecommunications Research Institute, Daejeon, KR;
Yong Hae Kim, Daejeon, KR;
Seong-Mok Cho, Daejeon, KR;
Chi-Sun Hwang, Daejeon, KR;
Ji Hun Choi, Daejeon, KR;
Gi Heon Kim, Daejeon, KR;
Jong-Heon Yang, Daejeon, KR;
Sang Hoon Cheon, Daejeon, KR;
Kyunghee Choi, Daejeon, KR;
Jae-Eun Pi, Daejeon, KR;
Electronics and Telecommunications Research Institute, Daejeon, KR;
Abstract
A hologram display device includes a light source unit that emits light, a spatial light modulator that modulates the light emitted from the light source unit, and a random pinhole panel. The random pinhole panel includes a plurality of pinholes of a random position or a random size and is arranged in line with an output part of the spatial light modulator. In the hologram display device and the method of manufacturing the hologram display device, a position and size of a random pinhole on the random pinhole are not limited to inside each pixel of the spatial light modulator.