	US 7,378,154 B2
	Photofunctional laminated article
Yoshito Ando, Settsu (Japan); and Takayuki Araki, Settsu (Japan)
Assigned to Daikin Industries, Ltd., Osaka (Japan)
Appl. No. 11/578,054 PCT Filed Mar. 11, 2005, PCT No. PCT/JP2005/004330 § 371(c)(1), (2), (4) Date Oct. 12, 2006, PCT Pub. No. WO2005/100011, PCT Pub. Date Oct. 27, 2005.
Claims priority of application No. 2004-120818 (JP), filed on Apr. 15, 2004; application No. 2004-180916 (JP), filed on Jun. 18, 2004; and application No. 2005-021193 (JP), filed on Jan. 28, 2005.
Prior Publication US 2007/0218289 A1, Sep. 20, 2007
Int. Cl. B32B 7/02 (2006.01); B32B 17/06 (2006.01); B32B 9/00 (2006.01); B32B 27/30 (2006.01)

U.S. Cl. 428—421

9 Claims

1. A photofunctional laminated article which comprises:

(L0) a transparent substrate,

(L1) a photofunctional layer comprising a fluorine-containing polymer (A) and a rare earth metal compound (B) and being formed on the substrate (L0) and

(L2) a low refractive index layer formed on the layer (L1), and is characterized in that when refractive indices of each layer are assumed to be n(L0), n(L1) and n(L2), the following equation:

n(L0)≧n(L1)>n(L2)

is satisfied.