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Patent Searching and Data


Title:
HEAD-MOUNTED DISPLAY
Document Type and Number:
WIPO Patent Application WO/2019/198288
Kind Code:
A1
Abstract:
This head-mounted display (HMD1) comprises a first display element (OPS1) and a second display element (OPS2) which shine light onto a second portion (FP2). A first portion (FP1) is equipped with a first opening (VP1) and a second opening (VP2) which is separate from the first opening. The second portion (FP2) is equipped with a first optical element portion (OPE1) which faces the first opening portion in a first direction, and a second optical element portion (OPE2) which faces the second opening in the first direction. The first optical element portion (OPE1) and second optical element portion (OPE2) of the second portion both have a reflecting portion (RFP) which reflects light shone from the first display element or the second display element, and a light transmittance adjustment portion (LTP) which controls the transmittance of external light from the second portion to the first portion on the basis of a signal output from a light transmittance control circuit. The reflecting portion (RFP) is positioned between the light transmittance adjustment portion (LTP) and the first portion (FP1).

Inventors:
NAKAMURA TOMOKI (JP)
OKA SHINICHIRO (JP)
Application Number:
PCT/JP2019/000953
Publication Date:
October 17, 2019
Filing Date:
January 15, 2019
Export Citation:
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Assignee:
JAPAN DISPLAY INC (JP)
International Classes:
G02B27/02; G02F1/13; G02F1/15; H04N5/64
Foreign References:
JPH08292394A1996-11-05
US20180059414A12018-03-01
JP2008009007A2008-01-17
JPH07239447A1995-09-12
JP2013545130A2013-12-19
JP2001125143A2001-05-11
Attorney, Agent or Firm:
TSUTSUI & ASSOCIATES (JP)
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