US 11,052,639 B2
Thermoplastic film for a laminated glass pane
Martin Arndt, Aachen (DE); Michele Cappuccilli, Aachen (DE); Wolfgang Von Avenarius, Herzogenrath (DE); and Li-Ya Yeh, Geilenkirchen (DE)
Assigned to SAINT-GOBAIN GLASS FRANCE, Courbevoie (FR)
Appl. No. 16/609,663
Filed by SAINT-GOBAIN GLASS FRANCE, Courbevoie (FR)
PCT Filed Jul. 17, 2018, PCT No. PCT/EP2018/069372
§ 371(c)(1), (2) Date Oct. 30, 2019,
PCT Pub. No. WO2019/020432, PCT Pub. Date Jan. 31, 2019.
Claims priority of application No. 17183444 (EP), filed on Jul. 27, 2017.
Prior Publication US 2020/0147934 A1, May 14, 2020
Int. Cl. B32B 17/10 (2006.01); G02B 27/01 (2006.01)
CPC B32B 17/10036 (2013.01) [B32B 17/10761 (2013.01); B32B 17/10568 (2013.01); B32B 2315/08 (2013.01); B32B 2605/006 (2013.01); B32B 2605/08 (2013.01); G02B 27/0101 (2013.01); G02B 2027/0121 (2013.01)] 20 Claims
OG exemplary drawing
 
1. Thermoplastic film suitable as an intermediate layer for a laminated glass pane, wherein the thermoplastic film comprises
a defined region that is provided for a camera window or an HUD region, said defined region having a non-zero wedge angle, and
a region surrounding the defined region on all sides of said defined region, the thermoplastic film having a constant thickness in said region entirely surrounding the defined region on all sides of said defined region, wherein
a maximum thickness in the defined region of the thermoplastic film is less than a thickness in the surrounding region.