Liquid crystal display device and a method for producing the same
First Claim
1. A liquid crystal display device, comprising:
- a pair of substrates opposed to each other;
a plurality of pixels for realizing display; and
a liquid crystal layer interposed between the substrates and including a liquid crystal region corresponding to each of the pixels, the liquid crystal regions being surrounded by a polymer wall,wherein at least one of the substrates is transparent and includes thereon optical means for adjusting a transmittance of light therethrough, the optical means corresponding to each of the pixels, andthe optical means has a transmittance of no greater than 50% with respect to light of at least one wavelength in the range of 250 to 400 nm and has a maximum transmittance of at least 20% with respect to light of a wavelength of more than 400 nm.
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Abstract
A liquid crystal display device includes a pair of substrates opposed to each other; a plurality of pixels for realizing display; and a liquid crystal layer interposed between the substrates and including a liquid crystal region corresponding to each of the pixels, the liquid crystal regions being surrounded by a polymer wall. At least one of the substrates is transparent and includes thereon an optical element for adjusting a transmittance of light therethrough. The optical element corresponds to each of the pixels. The optical element has a transmittance of no greater than 50% with respect to light of at least one wavelength in the range of 250 to 400 nm and has a maximum transmittance of at least 20% with respect to light of a wavelength of more than 400 nm.
152 Citations
22 Claims
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1. A liquid crystal display device, comprising:
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a pair of substrates opposed to each other; a plurality of pixels for realizing display; and a liquid crystal layer interposed between the substrates and including a liquid crystal region corresponding to each of the pixels, the liquid crystal regions being surrounded by a polymer wall, wherein at least one of the substrates is transparent and includes thereon optical means for adjusting a transmittance of light therethrough, the optical means corresponding to each of the pixels, and the optical means has a transmittance of no greater than 50% with respect to light of at least one wavelength in the range of 250 to 400 nm and has a maximum transmittance of at least 20% with respect to light of a wavelength of more than 400 nm. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12)
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13. A liquid crystal display device, comprising:
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a pair of substrates opposed to each other; a plurality of pixels for realizing display; and a liquid crystal layer interposed between the substrates and including a liquid crystal region corresponding to each of the pixels, the liquid crystal regions being surrounded by a polymer wall, wherein the liquid crystal region includes at least one liquid crystal domain having liquid crystal molecules radially arranged, and one of the substrates includes light shielding means in an area excluding the pixels, and areas on the other substrate corresponding to the pixels are transparent. - View Dependent Claims (14, 15, 16)
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17. A method for producing a liquid crystal display device including:
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two substrates opposed to each other, at least one of which is transparent; a plurality of pixels for realizing display; and a liquid crystal layer interposed between the substrates and including a liquid crystal region corresponding to each of the pixels, the liquid crystal regions being surrounded by a polymer wall, the method comprising the steps of; forming, on a surface of the transparent substrate, optical means for adjusting a transmittance of light therethrough, the optical means having a transmittance of no greater than 50% with respect to light of at least one wavelength in the range of 250 to 400 nm and a maximum transmittance of at least 20% with respect to light of a wavelength of more than 400 nm; assembling the two substrates together, with the surface of the substrate provided with the optical means being inside; injecting a mixture of a liquid crystal material and a photocurable resin between the two substrates to form the liquid crystal layer; and radiating light of the at least one wavelength toward the assembly of the two substrates including the liquid crystal layer from the side of the transparent substrate provided with the optical means, thereby forming a liquid crystal region corresponding to each of the pixels surrounded by the polymer wall in the liquid crystal layer. - View Dependent Claims (18, 19, 20, 21)
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22. A method for producing a liquid crystal display device including:
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two substrates opposed to each other, at least one of which is transparent; a plurality of pixels for realizing display; and a liquid crystal layer interposed between the substrates and including a liquid crystal region corresponding to each of the pixels, the liquid crystal regions being surrounded by a polymer wall, the method comprising the steps of; forming, on a surface of the transparent substrate, optical means for adjusting a transmittance of light therethrough in a pattern, the optical means having a transmittance of no greater than 50% with respect to light of at least one wavelength in the range of 250 to 400 nm and a maximum transmittance of at least 20% with respect to light of a wavelength of more than 400 nm; forming a photosensitive resin layer on a surface of the substrate excluding the optical means; assembling the two substrates together, with the surface of the substrate provided with the optical means and the surface of the substrate excluding the photosensitive resin layer being inside; radiating light of the at least one wavelength toward the photosensitive resin layer from the side of the substrate including the optical means, using the optical means as a photomask to form the photosensitive resin layer into a pattern; injecting a mixture of a liquid crystal material and a photocurable resin between the two substrates to form the liquid crystal layer; and radiating light toward the assembly of the two substrates including the liquid crystal layer from the side of the substrate including the photosensitive resin layer, thereby forming a liquid crystal region corresponding to each of the pixels surrounded by the polymer wall in the liquid crystal layer.
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Specification