Title:
OPTICAL LAMINATE FOR HEAD-UP DISPLAY, FUNCTIONAL GLASS, AND HEAD-UP DISPLAY SYSTEM
Document Type and Number:
WIPO Patent Application WO/2021/256554
Kind Code:
A1
Abstract:
The present invention pertains to an optical laminate (10) for a head-up display, the optical laminate (10) comprising (A) at least one polyvinyl acetal resin layer (101) having a photoelasticity coefficient (PeA) in the range indicated by formula (1) below, and (B) at least one optically functional layer (102). The present invention also pertains to head-up display functional glass (20) comprising the optical laminate (10), and to a head-up display provided with the optical laminate (10) or the functional glass (20). (1): |PeA| ≤ 4.0×10-11 Pa-1
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Inventors:
TAKAHASHI CHIHIRO (JP)
YOKOYAMA YUI (JP)
YOKOYAMA YUI (JP)
Application Number:
PCT/JP2021/023148
Publication Date:
December 23, 2021
Filing Date:
June 18, 2021
Export Citation:
Assignee:
NIPPON KAYAKU KK (JP)
International Classes:
B60K35/00; B60J1/00; B60J1/02; G02B5/30; G02B27/01; G09F9/00
Domestic Patent References:
| WO2020067338A1 | 2020-04-02 | |||
| WO2018168726A1 | 2018-09-20 | |||
| WO2020075747A1 | 2020-04-16 |
Foreign References:
| JP2005091900A | 2005-04-07 | |||
| JP2017198981A | 2017-11-02 | |||
| JP2008069235A | 2008-03-27 | |||
| JP2019172512A | 2019-10-10 | |||
| JPH08169257A | 1996-07-02 | |||
| JP2019094257A | 2019-06-20 | |||
| JPH0640271B2 | 1994-05-25 | |||
| JP5973109B1 | 2016-08-23 | |||
| JP2003315556A | 2003-11-06 | |||
| JP2004029824A | 2004-01-29 | |||
| JP2002090743A | 2002-03-27 |
Attorney, Agent or Firm:
EINSEL Felix-Reinhard et al. (JP)
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