Title:
HEAD MOUNTED DISPLAY DEVICE
Document Type and Number:
WIPO Patent Application WO/2017/113257
Kind Code:
A1
Abstract:
A head mounted display (HMD) device, configured to provide images to left and right eyes of a user, comprises: a first zoom lens assembly (20); a second zoom lens assembly (30); and display screens (11, 12), configured to emit light to enter the left and right eyes through the first and second zoom lens assemblies (20, 30), respectively; and an adjustment mechanism (40), connected to the first and second zoom lens assemblies (20, 30) to enable synchronous zooming of the first and second zoom lens assemblies (20, 30). The adjustment mechanism (40) can be adjusted from a first location to a second location, a focal length of the first and second zoom lens assemblies (20, 30) is correspondingly changed from a first focal length to a second focal length, and a size of pictures displayed by the display screens (11, 12) that are viewed by the left and right eyes through the first and second zoom lens assemblies (20, 30) is correspondingly changed from a first size to a second size, so as to satisfy viewing requirements in different scenarios.
Inventors:
LIU ZIHONG (CN)
SHI HONGYAN (CN)
SHI HONGYAN (CN)
Application Number:
PCT/CN2015/100000
Publication Date:
July 06, 2017
Filing Date:
December 30, 2015
Export Citation:
Assignee:
SHENZHEN ROYOLE TECHNOLOGIES CO LTD (CN)
International Classes:
G02B27/01
Foreign References:
| CN2869916Y | 2007-02-14 | |||
| CN104483755A | 2015-04-01 | |||
| US5880773A | 1999-03-09 | |||
| CN102937745A | 2013-02-20 | |||
| CN201159796Y | 2008-12-03 | |||
| CN1071544A | 1993-04-28 |
Attorney, Agent or Firm:
GUANGZHOU SCIHEAD PATENT AGENT CO., LTD. (CN)
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