Electro-optical device
AssigneeSemiconductor Energy Laboratory Co., Ltd.
InventorsShunpei Yamazaki, Takeshi Nishi, Toshimitsu Konuma, Michio Shimizu, Kouji Moriya
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Abstract
A liquid crystal electro-optical device comprising a pair of substrates at least one of them is light-transmitting, electrodes being provided on said substrates, and an electro-optical modulating layer being supported by said pair of substrates, provided that said electro-optical modulating layer comprises an anti-ferroelectric liquid crystal material or a smectic liquid crystal material which exhibits anti-ferroelectricity, and a transparent material.
Claims24
A liquid crystal device comprising:
- a first substrate;
- a second substrate opposed to said first substrate;
- a layer comprising an antiferroelectric liquid crystal and a transparent material disposed between said first and second substrates;
- and
- at least one electrode formed on said first substrate,
- wherein a mixture ratio of said antiferroelectric liquid crystal and said transparent material is 4:6 to 8:2,
- wherein a thickness of said layer is 2.5-10 μm.
A liquid crystal device comprising:
- a first substrate;
- a plurality of switching elements arranged in a matrix form over said first substrate;
- a plurality of pixel electrodes arranged in a matrix form over said first substrate and electrically connected to said switching elements;
- a second substrate opposed to said first substrate;
- and
- a layer comprising an antiferroelectric liquid crystal and a transparent material disposed between said first and second substrates,
- wherein a mixture ratio of said antiferroelectric liquid crystal and said transparent material is 4:6 to 8:2,
- wherein a thickness of said layer is 2.5-10 μm.
A liquid crystal device comprising:
- a first substrate;
- a plurality of switching elements arranged in a matrix form over said first substrate;
- a smoothing film formed over said plurality of switching element;
- a plurality of pixel electrodes arranged in a matrix form over said first substrate and electrically connected to said switching elements;
- a second substrate opposed to said first substrate;
- and
- a layer comprising an antiferroelectric liquid crystal and a transparent material disposed between said first and second substrates,
- wherein a mixture ratio of said antiferroelectric liquid crystal and said transparent material is 4:6 to 8:2,
- wherein a thickness of said layer is 2.5-10 μm.
A liquid crystal device comprising:
- a pair of substrates at least one of which is transparent;
- a layer comprising an antiferroelectric liquid crystal and a transparent material disposed over said transparent substrate;
- and
- at least one electrode formed on at least one of said pair of substrates,
- wherein a mixture ratio of said antiferroelectric liquid crystal and said transparent material is 4:6 to 8:2,
- wherein a thickness of said layer is 2.5-10 μm,
- wherein said antiferroelectric liquid crystal device has a memory property.
A liquid crystal device comprising:
- a first substrate;
- a plurality of switching elements arranged in a matrix form over said first substrate;
- a plurality of pixel electrodes arranged in a matrix form over said first substrate and electrically connected to said switching elements;
- a second substrate opposed to said first substrate;
- and
- a layer comprising an antiferroelectric liquid crystal and a transparent material disposed between said first and second substrates,
- wherein a mixture ratio of said antiferroelectric liquid crystal and said transparent material is 4:6 to 8:2,
- wherein a thickness of said layer is 2.5-10 μm,
- wherein said antiferroelectric liquid crystal device has a memory property.
Dependencies are inferred from the claim text.