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:
Mar. 29, 2022
Filed:
May. 03, 2019
Applicant:
Young Optics Inc., Hsinchu, TW;
Inventor:
Yuan-Yu Lee, Hsinchu, TW;
Assignee:
YOUNG OPTICS INC., Hsinchu, TW;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G02B 5/18 (2006.01); G02B 26/00 (2006.01); G02F 1/00 (2006.01); G02F 1/137 (2006.01); G02F 1/1334 (2006.01); G01B 11/25 (2006.01); G02F 1/1347 (2006.01);
U.S. Cl.
CPC ...
G02F 1/137 (2013.01); G01B 11/254 (2013.01); G02F 1/13342 (2013.01); G02F 1/13471 (2013.01); G02F 2203/22 (2013.01); G02F 2203/50 (2013.01);
Abstract
One embodiment of the invention provides a pattern generation device includes a light source, a first HPDLC cell, and a second HPDLC cell. The first HPDLC cell is disposed downstream of a light path of the light source and contains a first phase modulation pattern. The second HPDLC cell is disposed downstream of a light path of the first HPDLC cell and contains a second phase modulation pattern.