Invention Grant
- Patent Title: Color material dispersion liquid for color filters, color material, color filter, liquid crystal display device and organic light-emitting display device
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Application No.: US15031647Application Date: 2014-07-16
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Publication No.: US10317592B2Publication Date: 2019-06-11
- Inventor: Michihiro Ogura , Tomoki Murata , Fumiyasu Murakami , Masato Okada , Hiroaki Segawa
- Applicant: DAI NIPPON PRINTING CO., LTD.
- Applicant Address: JP Tokyo
- Assignee: DAI NIPPON PRINTING CO., LTD.
- Current Assignee: DAI NIPPON PRINTING CO., LTD.
- Current Assignee Address: JP Tokyo
- Agency: Hamre, Schumann, Mueller & Larson, P.C.
- Priority: JP2013-220661 20131023
- International Application: PCT/JP2014/068953 WO 20140716
- International Announcement: WO2015/059962 WO 20150430
- Main IPC: C09B11/24
- IPC: C09B11/24 ; G02B5/22 ; C09B63/00 ; G02B1/04 ; G02F1/1335 ; H01L27/32 ; H01L51/00 ; C09B11/08 ; C09B11/12 ; C09B35/20
Abstract:
Disclosed is a color material dispersion liquid for color filter, which has excellent heat resistance and is able to form a high-luminance coating film. The color material dispersion liquid for color filters includes (A) a color material, (B) a dispersant and (C) a solvent. The color material (A) contains (A-1) a color material represented by the following general formula (I) and (A-2) a metal lake color material of a rhodamine-based acid dye:
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