Title:
INTERMEDIATE FILM FOR LAMINATED GLASS AND LAMINATED GLASS
Document Type and Number:
WIPO Patent Application WO/2020/075747
Kind Code:
A1
Abstract:
Provided is an intermediate film for laminated glass that can considerably suppress double images in the laminated glass. This intermediate film for laminated glass is used in laminated glass for a head-up display. The film has one end and another end, on the opposite side from the one end. The thickness of the other end is greater than that of the one end. The film includes a display-corresponding region that corresponds to a display region of the head-up display. If the display-corresponding region is equally divided into three in a direction that joins the one end and the other end, and the three obtained regions are called, in order from the one end, a first display-corresponding partial region, a second display-corresponding partial region, and a third display-corresponding partial region, the following is satisfied with regard to partial wedge angles Ax, Bx, and Cx of the first, second, and third display-corresponding partial regions and a partial wedge angle φx of the display-corresponding region: |Ax − φx| is 0.05 mrad or less, |Bx − φx| is 0.05 mrad or less, and |Cx − φx| is 0.05 mrad or less.
Inventors:
NISHINO HIROMITSU (JP)
Application Number:
PCT/JP2019/039794
Publication Date:
April 16, 2020
Filing Date:
October 09, 2019
Export Citation:
Assignee:
SEKISUI CHEMICAL CO LTD (JP)
International Classes:
C03C27/12; B32B17/10; B32B27/30; B60J1/02; B60K35/00; G02B27/01
Domestic Patent References:
| WO2018181689A1 | 2018-10-04 |
Foreign References:
| JP2017105665A | 2017-06-15 | |||
| JP2017502124A | 2017-01-19 | |||
| JPH04502525A | 1992-05-07 |
Other References:
See also references of EP 3865465A4
Attorney, Agent or Firm:
MIYAZAKI & METSUGI (JP)
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