Title:
OPTICAL FUNCTIONAL FILM FOR HEAD-UP DISPLAY, OPTICAL LAMINATE, FUNCTIONAL GLASS, AND HEAD-UP DISPLAY SYSTEM
Document Type and Number:
WIPO Patent Application WO/2021/153763
Kind Code:
A1
Abstract:
The present invention relates to a head-up display optical functional film which, in the same plane, has two or more slow-axis zones with different slow axis angles, wherein the maximum difference between the slow axis angles is greater than 5° and less than 30°.
Inventors:
TAKAHASHI CHIHIRO (JP)
Application Number:
PCT/JP2021/003333
Publication Date:
August 05, 2021
Filing Date:
January 29, 2021
Export Citation:
Assignee:
NIPPON KAYAKU KK (JP)
International Classes:
G02B27/01; B32B7/023; B32B17/10; B60K35/00; C03C27/12; G02B5/30
Domestic Patent References:
| WO2013145550A1 | 2013-10-03 |
Foreign References:
| JP2018017839A | 2018-02-01 | |||
| JP2000249966A | 2000-09-14 | |||
| JP2012163786A | 2012-08-30 | |||
| JPH0640271A | 1994-02-15 | |||
| JP5973109B1 | 2016-08-23 | |||
| JP2003315556A | 2003-11-06 | |||
| JP2004029824A | 2004-01-29 | |||
| JP2002090743A | 2002-03-27 |
Other References:
See also references of EP 4099084A4
Attorney, Agent or Firm:
EINSEL Felix-Reinhard et al. (JP)
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