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:
Jan. 19, 2021

Filed:

Sep. 04, 2018
Applicants:

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

Sogang University Research Foundation, Seoul, KR;

Inventors:

Young Kim, Yongin-si, KR;

Kanghee Won, Seoul, KR;

Himchan Park, Seoul, KR;

Jinwook Burm, Seoul, KR;

Hoon Song, Yongin-si, KR;

Hongseok Lee, Seoul, KR;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G02F 1/29 (2006.01); G03H 1/00 (2006.01);
U.S. Cl.
CPC ...
G02F 1/29 (2013.01); G03H 1/0005 (2013.01); G03H 2001/0088 (2013.01); G03H 2223/18 (2013.01);
Abstract

A beam deflector, a holographic display device including the beam deflector, and a method of driving the beam deflector are provided. The beam deflector includes first electrodes spaced apart from each other on a first substrate, second electrodes spaced apart from each other on a second substrate, a liquid crystal layer between the first substrate and the second substrate, and a controller configured to cause active prisms to be formed in the liquid crystal layer and to form a floating zone by turning off a voltage of at least one of the first electrode and the second electrode disposed between adjacent ones of the active prisms.


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