Login| Sign Up| Help| Contact|

Patent Searching and Data


Title:
DISPLAY DEVICE, PROJECTION DEVICE, AND MOVABLE BODY
Document Type and Number:
WIPO Patent Application WO/2018/143231
Kind Code:
A1
Abstract:
A display device (10) has an image formation device (30) for emitting image light (Li), and a guidance means (55) for guiding the image light Li. The guidance means includes a polarization selection reflection layer (70) including one or more layers that have a cholesteric liquid crystal structure. The polarization selection reflection layer reflects the image light to change the optical path of the image light.

Inventors:
HARA HIDEYUKI (JP)
HASHIMOTO KEISUKE (JP)
Application Number:
PCT/JP2018/003090
Publication Date:
August 09, 2018
Filing Date:
January 31, 2018
Export Citation:
Click for automatic bibliography generation   Help
Assignee:
DAINIPPON PRINTING CO LTD (JP)
International Classes:
G02B27/01; B60K35/00
Domestic Patent References:
WO2016056617A12016-04-14
WO2015166872A12015-11-05
WO2013190958A12013-12-27
WO2015125247A12015-08-27
WO2016194327A12016-12-08
Foreign References:
US20140307176A12014-10-16
JP2008070782A2008-03-27
JPS61238015A1986-10-23
JP2014044244A2014-03-13
JP2014191321A2014-10-06
Attorney, Agent or Firm:
NAGAI Hiroshi et al. (JP)
Download PDF: