Spherical laminated particle and liquid crystal display

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United States of America Patent

PATENT NO 6294230
SERIAL NO

09380326

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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The present invention relates to spherical laminated particles each comprising a core particle and a laminate part disposed on a surface of the core particle, wherein the laminate part has a compressive modulus which is smaller than that of the core particle. These spherical laminated particles have a large compressive strength and is excellent in the recovery from a deformation by an arbitrary load, when the load is removed afterwward, as compared with conventional elastic particles composed of a single substance. Therefore, the use of these spherical laminated particles as spacers minimizes the difference in extent of displacement of spacer particles attributed to the difference in load on individual spacer particles caused by, for example, the waviness of a substrate for liquid crystal display cell during the manufacturing of the liquid crystal display cell, so that the cell gap uniformity can be ensured.

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Patent Owner(s)

  • CATALYSTS & CHEMICALS INDUSTRIES CO., LTD.

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Komatsu, Michio Kitakyushu, JP 88 953
Koyanagi, Tsuguo Kitakyushu, JP 25 408
Mitsuo, Yutaka Kitakyushu, JP 1 3
Nakai, Mitsuru Kitakyushu, JP 5 25
Nakayama, Kazuhiro Kitakyushu, JP 33 228

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