THERMOPLASTIC FILM AND LAMINATED GLASS

WIPO Patent Application WO/2020/189784

A1

This thermoplastic film 10 comprises a light-emitting layer 11, wherein: the light-emitting layer 11 includes a thermoplastic resin and a light-emitting material that emits light due to being irradiated with excitation light; and when laminated glass obtained by bonding, via the thermoplastic film, two sheets of clear glass having a thickness of 2.5 mm based on JIS R 3211 (1998) is irradiated from one side with excitation light that can be absorbed by the light-emitting material in an amount of 7 mW/cm2, the difference (A - B) between the luminance A observed on the one-surface side and the luminance B observed on the other-surface side is 5 cd/m2 or greater.　According to the present invention, it is possible to provide: a thermoplastic film that displays information with relatively high intensity on one surface, and displays the information with relatively low intensity on the other surface, when employed in laminated glass; and laminated glass comprising the thermoplastic film.

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OOTA YUUSUKE (JP)
CHOU KINRYOU (JP)
NAKAJIMA DAISUKE (NL)
HAMADA TAKANORI (JP)

PCT/JP2020/012513

September 24, 2020

March 19, 2020

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SEKISUI CHEMICAL CO LTD (JP)

B32B7/023; B32B17/10; C03C27/12

WO2016104592A1	2016-06-30
WO2018181269A1	2018-10-04
WO2008000646A1	2008-01-03

JP2018168061A	2018-11-01
JP2018177637A	2018-11-15
JP2016130861A	2016-07-21
JPH03141138A	1991-06-17
JPS5018008B1	1975-06-25

See also references of EP 3943289A4

TAGUCHI, Masahiro et al. (JP)

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