Dainichiseika Color & Chemicals Mfg. Co., Ltd.

Ukima Colour & Chemicals Mfg. Co., Ltd.

Takamitsu Shinoda

Michiei Nakamura

Hitoshi Takeuchi

Shojiro Horiguchi

Minoru Takizawa

Yoshitake Kori

Tetsujiro Takahashi

Shigeru Sakamoto

Mitsuo Yamazaki

Akira Nishio

Masanori Takakamo

Keiji Nakajima

Hiroyoshi Terada

Motohisa Maruyama

Kanako Sato

Toshiaki Anzai

A composition for a black matrix is disclosed. The composition is composed of a black pigment and a binder for the pigment. The black pigment is a compound-oxide black pigment, which comprises at least two metal oxides and has a spinel or inverse-spinel crystalline structure. Also discloses are a process for the formation of a black matrix from the composition and an article provided with a black matrix so formed.

Composition for black matrix, fabrication process of black matrix and

A pigment composition contains a pigment and a dispersant. The dispersant is a polyester compound which contains, per molecule, a residuum of at least two benzene rings coupled together, an aromatic ring having at least 8 carbon atoms or a heterocyclic ring having at least 8 carbon atoms, and at least one ester bond as a principal bond.

Pigment composition

A pigment composition contains a pigment and a dispersant. The dispersant is a phosphoric ester compound represented by the following general formula: ##STR1## wherein at least one of the three Rs is a residuum of a polyester chain containing as principal bonds thereof ester bonds of a polycarboxylic acid and a polyalcohol.

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Kashiwa, Japan

Takamitsu Shinoda