Title:
HEAD-MOUNTED DISPLAY DEVICE
Document Type and Number:
WIPO Patent Application WO/2019/080260
Kind Code:
A1
Abstract:
A head-mounted display device, comprising: a first positive lens (11), a second positive lens (12), and a micro-display unit (13) which are coaxially arranged in sequence. A light incident surface (Si1) of the first positive lens (11) is close to a light-emitting surface (Se2) of the second positive lens (12), and a light incident surface (Si2) of the second positive lens (12) is close to the micro-display unit (13); the light-emitting surface (Se2) of the second positive lens (12) is a convex Fresnel surface, and the light incident surface (Si1) of the first positive lens (11) is a plane Fresnel surface. The head-mounted display device can effectively increase the angle of visual field while reducing the size.
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Inventors:
YANG CHUN (CN)
Application Number:
PCT/CN2017/113971
Publication Date:
May 02, 2019
Filing Date:
November 30, 2017
Export Citation:
Assignee:
GOERTEK TECH CO LTD (CN)
International Classes:
G02B27/01
Domestic Patent References:
| WO2017057386A1 | 2017-04-06 |
Foreign References:
| CN106094211A | 2016-11-09 | |||
| CN101843108A | 2010-09-22 | |||
| CN104280877A | 2015-01-14 | |||
| CN107045196A | 2017-08-15 | |||
| CN105759424A | 2016-07-13 |
Other References:
See also references of EP 3702825A4
Attorney, Agent or Firm:
TEKYRS INTELLECTUAL PROPERTY INC. (CN)
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