Is a
Patent attributes
Patent Applicant
Current Assignee
Patent Jurisdiction
Patent Number
Patent Inventor Names
Yuya Kubo0
Kenichi Onaka0
Kishio Tamura0
Saburou Hiraoka0
Daisuke Watanabe0
Date of Patent
January 14, 2020
0Patent Application Number
157469400
Date Filed
July 12, 2016
0Patent Citations Received
Patent Primary Examiner
Patent abstract
The present invention provides a means for suppressing an occurrence of a ghost by enhancing diffraction efficiency of a holographic optical element having a volume hologram recording layer. The present invention is a holographic optical element including: a volume hologram recording layer containing a photopolymer; and at least one adjacent layer which is in contact with the volume hologram recording layer and contains a resin, wherein a diffraction grating is formed so as to extend from the volume hologram recording layer to the adjacent layer.
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