Organic pigment composition for color filters, method for producing the same, and color filter
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United States of America Patent
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Mar 6, 2018
Issued Date -
N/A
app pub date -
May 16, 2013
filing date -
Jun 8, 2012
priority date (Note) -
In Force
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Abstract
An organic pigment composition that allows a colored item to have good color saturation and high resistance to a change in hue even when subjected to a thermal history for a prolonged period. A color filter includes an organic pigment composition for color filters in a pixel portion. The organic pigment composition for color filters includes an organic pigment (A) having an average primary particle size of 100 nm or less; and a copolymer (B) of a (meth)acrylic acid ester having a phosphate group and another (meth)acrylic acid ester having no phosphate group, the amount of a nonvolatile component of the copolymer (B) being 0.1 to 15 parts relative to 100 parts of the organic pigment (A) on a mass basis.
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- 15 United States
- 10 France
- 8 Japan
- 7 China
- 5 Korea
- 2 Other
Patent Owner(s)
Patent Owner | Address | |
---|---|---|
DIC CORPORATION | TOKYO 174-8520 |
International Classification(s)
Inventor(s)
Inventor Name | Address | # of filed Patents | Total Citations |
---|---|---|---|
Fujimaki, Masanori | Sakura, JP | 2 | 7 |
# of filed Patents : 2 Total Citations : 7 | |||
Fukushima, Kayoko | Takaishi, JP | 1 | 2 |
# of filed Patents : 1 Total Citations : 2 | |||
Kimura, Akira | Kamisu, JP | 274 | 3254 |
# of filed Patents : 274 Total Citations : 3254 | |||
Shimada, Katsunori | Sakura, JP | 29 | 163 |
# of filed Patents : 29 Total Citations : 163 | |||
Takahashi, Masaharu | Takaishi, JP | 95 | 1369 |
# of filed Patents : 95 Total Citations : 1369 | |||
Tokuoka, Mayumi | Kamisu, JP | 7 | 11 |
# of filed Patents : 7 Total Citations : 11 |
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