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US 6,320,631 B1Granted
Liquid crystal reflective display
AssigneeMinolta Co., Ltd.
InventorsMasakazu Okada, Takuji Hatano, Kiyofumi Hashimoto
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Abstract
A liquid crystal reflective display comprising cholesteric liquid crystal capable of selectively reflecting spectral rays of a specific wavelength in a visible range; and a carrier carrying said cholesteric liquid crystal, wherein at least one of said cholesteric liquid crystal and said carrier contains a coloring agent absorbing spectral rays in a wavelength range different from the selective reflection wavelength of said cholesteric liquid crystal.
Claims17
A liquid crystal reflective display comprising:
- a cholesteric liquid crystal capable of selectively reflecting spectral rays of a specific wavelength in a visible range;
- and
- a carrier carrying said cholesteric liquid crystal, wherein
- at least one of said cholesteric liquid crystal and said carrier contains a coloring agent absorbing spectral rays in a wavelength range different from the selective reflection wavelength of said cholesteric liquid crystal, and
- said coloring agent has an absorbing peak at a range of shorter wavelengths than the selective reflection wavelength of said cholesteric liquid crystal.
2 more elements
A liquid crystal reflective display comprising:
- cholesteric liquid crystal being responsive to a voltage applied thereto to select a selective reflection state for selectively reflecting visible rays of a specific wavelength and light transmitting state for transmitting visible rays therethrough;
- and
- a carrier carrying said cholesteric liquid crystal, wherein
- a least one of said cholesteric liquid crystal and said carrier contains a coloring agent absorbing spectral rays in a wavelength range different from the selective reflection wavelength of said cholesteric liquid crystal, and
- said coloring agent has an absorbing peak at a range of shorter wavelengths than the selective reflection wavelength of said cholesteric liquid crystal.
2 more elements
A liquid crystal reflective display comprising:
- a cholesteric liquid crystal capable of selectively reflecting spectral rays of a specific wavelength in a visible range;
- and
- a carrier carrying said cholesteric liquid crystal, wherein
- at least one of said cholesteric liquid crystal and said carrier contains a coloring agent absorbing spectral rays in a wavelength range different from the selective reflection wavelength of said cholesteric liquid crystal, wherein
- said carrier is formed of a matrix of polymer material, and said cholesteric liquid crystal is dispersed in said matrix.
2 more elements
Dependencies are inferred from the claim text.