DISPLAY LENS MANUFACTURING APPARATUS AND METHOD, AND HEAD-MOUNTED DISPLAY DEVICE COMPRISING DISPLAY LENS MANUFACTURED THEREBY

An embodiment according to an aspect of the present disclosure provides a device for manufacturing a display lens, a method for manufacturing a display lens using the device, and a head-mounted display device including the display lens manufactured thereby. The device for manufacturing a display len...

Full description

Saved in:
Bibliographic Details
Main Authors Kim, Byung Mook, Seo, Dae Han, Kim, Jae Jin, Song, Min Soo, Shin, Bu Gon
Format Patent
LanguageEnglish
Published 07.07.2022
Subjects
CINEMATOGRAPHY
ELECTROGRAPHY
HOLOGRAPHIC PROCESSES OR APPARATUS
HOLOGRAPHY
OPTICAL ELEMENTS, SYSTEMS, OR APPARATUS
OPTICS
PHOTOGRAPHY
PHYSICS
Online AccessGet full text

Cover

More Information
Summary:An embodiment according to an aspect of the present disclosure provides a device for manufacturing a display lens, a method for manufacturing a display lens using the device, and a head-mounted display device including the display lens manufactured thereby. The device for manufacturing a display lens including a holographic optical element formed by recording a hologram on a photosensitive substrate, in which a substrate is coated with a photosensitive material, through irradiation of laser beams includes: a first laser light incidence unit configured to cause first laser light, converging along an irradiation direction, to be incident on one surface of the photosensitive substrate; and a second laser light incidence unit configured to cause second laser light, diverging at a plurality of points along an irradiation direction, to be incident on the other surface of the photosensitive substrate.
Bibliography:Application Number: US202017607663