Invention Grant
- Patent Title: Rear-projection film having a “day/night” effect
- Patent Title (中): 背投影膜具有“昼/夜”效果
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Application No.: US14655510Application Date: 2014-01-07
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Publication No.: US09400420B2Publication Date: 2016-07-26
- Inventor: Heinz Pudleiner , Dirk Pophusen , Roland Kuenzel , Manfred Lindner , Juergen Wojatschek , Bernd Straub
- Applicant: BAYER MATERIALSCIENCE AG
- Applicant Address: DE Leverkusen
- Assignee: Covestro Deutschland AG
- Current Assignee: Covestro Deutschland AG
- Current Assignee Address: DE Leverkusen
- Agency: McBee Moore Woodward Vanik, IP LLC
- Priority: EP13150491 20130108; EP13168476 20130521
- International Application: PCT/EP2014/050142 WO 20140107
- International Announcement: WO2014/108395 WO 20140717
- Main IPC: G03B21/62
- IPC: G03B21/62 ; G02B5/02 ; B29D11/00 ; B32B27/20 ; B32B27/30 ; B32B27/32 ; B32B27/36 ; B32B27/40 ; B32B27/08 ; B29K69/00

Abstract:
The present invention relates to rear-projection film with “day/night” effect comprising at least two layers, where the film comprises at least one grey layer comprising at least one thermoplastic with transmittance of from 10% to 70% in the visible wavelength range and at least one layer comprising at least one thermoplastic and scattering particles, and also to the use of the said films as rear-projection areas in the vehicle interior sector.
Public/Granted literature
- US20150355536A1 REAR-PROJECTION FILM HAVING A "DAY/NIGHT" EFFECT Public/Granted day:2015-12-10
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