公开(公告)号：US11256011B2

公开(公告)日：2022-02-22

申请号：US16402665

申请日：2019-05-03

Applicant: YOUNG OPTICS INC.

Inventor： Yuan-Yu Lee ,  Ya-Ling Hsu

IPC: G02B5/18 ,  G02B26/00 ,  G02F1/00 ,  G02B5/32

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 the light path of the first HPDLC cell and contains a diffraction grating pattern.

公开(公告)号：US11287712B2

公开(公告)日：2022-03-29

申请号：US16402690

申请日：2019-05-03

Applicant: YOUNG OPTICS INC.

Inventor： Yuan-Yu Lee

IPC: G02B5/18 ,  G02B26/00 ,  G02F1/00 ,  G02F1/137 ,  G02F1/1334 ,  G01B11/25 ,  G02F1/1347

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.