Title:
表示装置
Document Type and Number:
Japanese Patent JP4921634
Kind Code:
B2
Abstract:
The head mount type display device includes an optical system having a light emitting element, a display element illuminated by the light emitting element, and an image forming element 20 for producing an image. The display element is arranged between the image forming element and the first focal point of the image forming element at a position nearer to the first focal point of the image forming element. A virtual image of the display element is formed by the image forming element 20 and the light emitted by the light emitting element is focussed on a second focal point of the image forming element. It is designed such that the eye of an observer is located on the second focal point when use. In another form, the optical system includes first and second elliptical concave mirrors with respective ones of focal points arranged at a common position.
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Inventors:
Junji Tomita
Aritake Keikazu
Seiichi Saito
Aritake Keikazu
Seiichi Saito
Application Number:
JP2000333380A
Publication Date:
April 25, 2012
Filing Date:
October 31, 2000
Export Citation:
Assignee:
GOOGLE INC.
International Classes:
G02B17/08; G02B27/02; G02B25/00; G02B27/01; G02F1/13; G02F1/1335; G02F1/13357; H04N5/64; G02B5/30
Domestic Patent References:
| JP7128614A | ||||
| JP11052285A |
Attorney, Agent or Firm:
Atsushi Aoki
Tetsuro Shimada
Shinji Mitsuhashi
Koichi Ito
Kentaro Ito
Tatsuki Sone
Tetsuro Shimada
Shinji Mitsuhashi
Koichi Ito
Kentaro Ito
Tatsuki Sone