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:
Apr. 07, 2026

Filed:

Jan. 28, 2022
Applicant:

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

Inventors:

Sangwoo Ha, Seongnam-si, KR;

Tetsuo Ariyoshi, Seongnam-si, KR;

Heejin Kim, Yongin-si, KR;

Soomoon Park, Seoul, KR;

Jongpil Won, Hwaseong-si, KR;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G02B 27/00 (2006.01); G02B 27/01 (2006.01); G02B 27/09 (2006.01);
U.S. Cl.
CPC ...
G02B 27/0081 (2013.01); G02B 27/0172 (2013.01); G02B 27/0944 (2013.01); G02B 2027/0174 (2013.01);
Abstract

An optical device for exit pupil expansion (EPE) for improving a field of view (FOV) and luminance uniformity, and a display apparatus including the same are provided. The optical device includes: an input part into which a virtual image is input; and an EPE part configured to receive the virtual image from the input part, perform one-dimensional (1D) EPE and two-dimensional (2D) EPE to combine the virtual image with an external real image, and output the combined image.


Find Patent Forward Citations

Ha, Sangwoo. (2026). Optical device for exit pupil expansion (epe) and display apparatus including the optical device (U.S. Patent No. 12596251). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/12596251

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

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