Electro-optical device and method for manufacturing same
First Claim
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1. An electro-optical device, comprising:
- a pair of opposed and spaced apart flexible substrates with a liquid crystal material therebetween;
each substrate being a composite substrate including a resin substrate base and having a phenoxy resin layer on the interior surface thereof,a transparent electrode selectively deposited on the phenoxy resin layer for cooperating with the electrode on the opposed substrate for providing the electro-optical effect;
a transparent orientation film disposed across the electrodes on the interior surface of each substrate;
a plurality of non-conductive spacers fixed to the orientation film on one substrate; and
a plurality of non-conductive spacers disposed on the surface of the orientation film, the density of the non-conductive spacers between about 50 and 500/mm2.
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Abstract
An electro-optical device including a pair of flexible substrates including transparent electrodes deposited on a phenoxy resin layer and separated by spacers is provided. The flexible substrates include a support substrate, a gas barrier layer laminated on each side of the support substrate and a phenoxy resin layer on the interior gas barrier layer. Spacers are embedded in an orientation film to maintain distance between the substrates. Improved bonding strength between substrates is provided by a sealing region free of orientation film.
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Citations
12 Claims
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1. An electro-optical device, comprising:
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a pair of opposed and spaced apart flexible substrates with a liquid crystal material therebetween; each substrate being a composite substrate including a resin substrate base and having a phenoxy resin layer on the interior surface thereof, a transparent electrode selectively deposited on the phenoxy resin layer for cooperating with the electrode on the opposed substrate for providing the electro-optical effect; a transparent orientation film disposed across the electrodes on the interior surface of each substrate; a plurality of non-conductive spacers fixed to the orientation film on one substrate; and a plurality of non-conductive spacers disposed on the surface of the orientation film, the density of the non-conductive spacers between about 50 and 500/mm2. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9)
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10. An electro-optical device, comprising:
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a pair of opposed and spaced apart flexible substrates with a liquid crystal material therebetween; the substrates formed of a gas barrier layer of a resin with a phenoxy layer disposed on each surface thereof; a transparent electrode selectively disposed on the phenoxy resin layer opposed to the other substrate for cooperating to provide the electro-optical effect; a transparent orientation film disposed across the electrodes on each substrate; a plurality of non-conductive spacers fixed to the orientation film on one substrate; and a plurality of non-conductive spacers disposed on the surface of the orientation film, the density of the non-conductive spacers between about 50 and 500/mm2.
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11. A process for preparing an electro-optical device, comprising:
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providing a pair of flexible substrate bases; depositing a phenoxy resin layer on one surface of the substrate bases; selectively depositing transparent electrodes on the phenoxy resin layers; disposing an orientation film on the electrode surfaces of the substrate bases; fixing non-conductive spacers on at least one orientation film; disposing non-conductive spacers on the surface of the orientation film, the total density of the spacers between about 50 and 500/mm2 ; depositing a sealer about the periphery of the substrates; and joining the substrates together at the sealer. - View Dependent Claims (12)
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Specification