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US 6,656,542 B2Granted
Guest-host liquid crystal composition and guest-host liquid crystal display device
AssigneeKabushiki Kaisha Toshiba
InventorsHiroki Iwanaga, Yutaka Nakai, Katsuyuki Naito
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Abstract
Disclosed is a guest-host liquid crystal composition, comprising a host liquid crystal material and a dichroic dye mixed as a guest in the host liquid crystal material. The liquid crystal material has a condensed ring in its molecular structure, and the dichroic dye is a compound having a condensed ring bonded to the basic skeleton as a substituent.
Claims20
A guest-host liquid crystal composition, comprising:
- a host liquid crystal material, said liquid crystal material having a condensed ring in the molecular structure;
- and
- a dichroic dye mixed as a guest in the host liquid crystal material, said dichroic dye having a condensed ring as a substituent bonded to the basic skeleton.
A liquid crystal display device, comprising:
- a substrate having an electrode mounted thereto;
- a liquid crystal layer arranged on said electrode;
- and
- a transparent electrode arranged on said liquid crystal layer;
- wherein said liquid crystal layer comprises a host liquid crystal material and a dichroic dye mixed as a guest in the host liquid crystal material, said liquid crystal material having a condensed ring in the molecular structure, and said dichroic dye having a condensed ring as a substituent bonded to the basic skeleton.
2 more elements
Dependencies are inferred from the claim text.