公开(公告)号：US20190302580A1

公开(公告)日：2019-10-03

申请号：US15940999

申请日：2018-03-30

Applicant: Young Optics Inc.

Inventor： Yu-Po Chen ,  Chun-Chieh Li ,  Wei-Szu Lin ,  Yi-Hsueh Chen

IPC: G03B21/00 ,  G03B21/54 ,  G02B27/10

Abstract: A manufacturing method of a projection apparatus is provided. The manufacturing method of the projection apparatus includes: classifying a light valve by an optical jig; selecting an aperture stop with a size corresponding to classification of the light valve; and assembling the light valve and the aperture stop to form the projection apparatus.

公开(公告)号：US20220179296A1

公开(公告)日：2022-06-09

申请号：US17676850

申请日：2022-02-22

Applicant: Young Optics Inc.

Inventor： Yu-Po Chen ,  Chun-Chieh Li ,  Wei-Szu Lin ,  Yi-Hsueh Chen

IPC: G03B21/00 ,  G02B27/10 ,  G03B21/54

Abstract: A manufacturing method of a projection apparatus is provided. The manufacturing method of the projection apparatus includes: classifying a light valve by using an optical jig which includes a lens with a constant aperture; selecting an aperture stop with a size corresponding to classification of the light valve; and assembling the light valve and the aperture stop to form the projection apparatus.