Invention Grant
- Patent Title: Coating material composition, and light-diffusing member manufactured using said coating material composition
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Application No.: US15037131Application Date: 2014-10-09
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Publication No.: US09841540B2Publication Date: 2017-12-12
- Inventor: Shuhei Uchiyama , Toshiharu Sako
- Applicant: Panasonic Intellectual Property Management Co., Ltd.
- Applicant Address: JP Osaka
- Assignee: Panasonic Intellectual Property Management Co., Ltd.
- Current Assignee: Panasonic Intellectual Property Management Co., Ltd.
- Current Assignee Address: JP Osaka
- Agency: Renner, Otto, Boisselle & Sklar, LLP
- Priority: JP2013-247043 20131129
- International Application: PCT/JP2014/005148 WO 20141009
- International Announcement: WO2015/079613 WO 20150604
- Main IPC: F21V11/00
- IPC: F21V11/00 ; G02B5/02 ; C09D201/04 ; F21V3/00 ; F21V3/04 ; C09D133/06 ; C09D7/12 ; C09D127/12 ; G02B1/04
Abstract:
A coating material composition include a hydroxyl group-containing acrylic resin, a fluororesin, and light diffusive particles, and the hydroxyl group-containing acrylic resin has a weight-average molecular weight in a range of 10,000 to 30,000 and a hydroxyl value in a range of 14 to 70, wherein a mass ratio of the fluororesin to the hydroxyl group-containing acrylic resin (the fluororesin/the hydroxyl group-containing acrylic resin) is in a range of 5/95 to 50/50. The coating material composition can provide the light diffusing properties capable of uniformly diffusing light while effectively masking a light source image.
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