Title:
ヘッドマウントディスプレイ及びこれに用いられる虚像結像レンズ
Document Type and Number:
Japanese Patent JP7393755
Kind Code:
B2
Abstract:
Provided is a head-mounted display capable of expanding the range in which a user can clearly view images. A head-mounted display 1 includes a display device 3 to display images 3a and 3b for the left eye and the right eye on a screen 3c, and virtual image forming optical systems 4a and 4b for the left eye and the right eye respectively disposed with respect to the images 3a and 3b for the left eye and the right eye on the screen 3c, wherein the virtual image forming optical systems 4a and 4b have positive power set in respective regions that visual lines of a user pass through, and include, at outer sides of optical centers in directions orthogonal to optical axes, power adjusting regions 55 having power set closer to the negative side than power at the optical centers.
Inventors:
Yasushi Miyajima
Yasuhiro Takagi
Yasuhiro Takagi
Application Number:
JP2021572714A
Publication Date:
December 07, 2023
Filing Date:
January 18, 2021
Export Citation:
Assignee:
National University Corporation Tokyo University of Agriculture and Technology
Ito Optical Co., Ltd.
Ito Optical Co., Ltd.
International Classes:
G02B27/02; H04N13/339; H04N13/344; H04N13/346
Domestic Patent References:
| JP2017521708A | ||||
| JP2018084788A |
Foreign References:
| CN106526852A | ||||
| CN205450452U | ||||
| WO2013076994A1 | ||||
| DE102014107938A1 | ||||
| CN109407301A | ||||
| WO2020008804A1 |
Attorney, Agent or Firm:
Akio Iida
Michiko Ema
Toshiyuki Ando
Isao Namagawa
Michiko Ema
Toshiyuki Ando
Isao Namagawa