LIQUID CRYSTAL DISPLAY DEVICE AND MANUFACTURING METHOD FOR THE SAME, AND LIQUID CRYSTAL ALIGNMENT REGULATION FORCE DECISION METHOD
First Claim
1. A liquid crystal display device comprising:
- a TFT substrate that an alignment film is formed on a pixel which includes a pixel electrode and a TFT;
a counter substrate which is arranged so as to face the TFT substrate and on the TFT substrate side of which an alignment film is formed; and
a liquid crystal which is interposed and held between the alignment film of the TFT substrate and the alignment film of the counter substrate, whereinthe alignment film is made of a material capable of applying liquid crystal alignment regulation force by polarized light irradiation,a convex structure is formed on the TFT substrate or the counter substrate, andthe alignment film is applied the liquid crystal alignment regulation force to a surface of a region ranging from the periphery of the convex structure to the vicinity of an inclined part of the convex structure and is not applied the liquid crystal alignment regulation force to a surface of the inclined part of the convex structure.
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Accused Products
Abstract
A liquid crystal display device includes a TFT substrate and a counter substrate on each of which an alignment film is formed and a liquid crystal interposed and held between the alignment films of the TFT and counter substrate, wherein the alignment film is made of a material capable of applying liquid crystal alignment regulation force by polarized light irradiation, a convex structure is formed on the TFT substrate or the counter substrate, and the alignment film is applied the liquid crystal alignment regulation force to a surface of a region ranging from the periphery of the convex structure to the vicinity of an inclined part of the convex structure and is not applied the liquid crystal alignment regulation force to a surface of the inclined part of the convex structure.
9 Citations
12 Claims
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1. A liquid crystal display device comprising:
- a TFT substrate that an alignment film is formed on a pixel which includes a pixel electrode and a TFT;
a counter substrate which is arranged so as to face the TFT substrate and on the TFT substrate side of which an alignment film is formed; and
a liquid crystal which is interposed and held between the alignment film of the TFT substrate and the alignment film of the counter substrate, whereinthe alignment film is made of a material capable of applying liquid crystal alignment regulation force by polarized light irradiation, a convex structure is formed on the TFT substrate or the counter substrate, and the alignment film is applied the liquid crystal alignment regulation force to a surface of a region ranging from the periphery of the convex structure to the vicinity of an inclined part of the convex structure and is not applied the liquid crystal alignment regulation force to a surface of the inclined part of the convex structure. - View Dependent Claims (2, 3, 4, 5, 6, 7)
- a TFT substrate that an alignment film is formed on a pixel which includes a pixel electrode and a TFT;
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8. A liquid crystal alignment regulation force decision method for a liquid crystal display device which includes a TFT substrate that an alignment film is formed on a pixel including a pixel electrode and a TFT, a counter substrate which is arranged so as to face the TFT substrate and on the TFT substrate side of which an alignment film is formed, and a liquid crystal which is interposed and held between the alignment film of the TFT substrate and the alignment film of the counter substrate, wherein the alignment film is made of a photodecomposition type material capable of applying liquid crystal alignment regulation force by polarized light irradiation and a convex structure is formed on the TFT substrate or the counter substrate, comprising:
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the irradiation step of irradiating the alignment film formed on the convex structure with ultraviolet rays; the dyeing step of dyeing the alignment film so irradiated with the ultraviolet rays with a thiol derivative, and the decision step of deciding presence/absence of the liquid crystal alignment regulation force from a fluorescence distribution of the dyed alignment film. - View Dependent Claims (9)
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10. A manufacturing method for a liquid crystal display device which includes a TFT substrate that an alignment film is formed on a pixel including a pixel electrode and a TFT, a counter substrate which is arranged so as to face the TFT substrate and on the TFT substrate side of which an alignment film is formed, and a liquid crystal which is interposed and held between the alignment film of the TFT substrate and the alignment film of the counter substrate, wherein the alignment film is made of a material capable of applying liquid crystal alignment regulation force by polarized light irradiation and a convex structure is formed on the TFT substrate or the counter substrate, comprising:
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the alignment film formation process of forming the alignment film on the convex structure; and
thereafter,the photo-alignment process of photo-aligning the alignment film by irradiating a surface of the substrate on which the alignment film is formed with polarized light collimated from a vertical direction. - View Dependent Claims (11, 12)
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Specification