1. A liquid crystal display device comprising an array substrate and an opposing substrate that are disposed face to face at a prescribed interval,
the array substrate comprising scan lines, signal lines, switching devices disposed at each intersection between the scan lines and the signal lines, pixel electrodes disposed in a matrix manner and driven by the switching devices, and auxiliary capacitance lines for retaining applied voltage for the pixel electrodes,
wherein the pixel electrodes have first side edges superposed on the signal lines and on shield electrodes disposed on the auxiliary capacitance lines to achieve shielding of light, and have second side edges opposite to the first side edges, the second side edges superposed on the signal lines to make an amount of superposition between the pixel electrodes and the signal lines, the amount of superposition having a first superposition width in a region corresponding to positions where the shield electrodes are disposed and a second superposition width in a region corresponding to positions where the shield electrodes are not disposed, the first superposition width being smaller than the second superposition width.
2. A liquid crystal display device according to claim 1, wherein the signal lines have a first line width in the region corresponding to positions where the shield electrodes are disposed and a second line width in the region corresponding to positions where the shield electrodes are not disposed, the first line width being smaller than the second line width.
3. A liquid crystal display device comprising an array substrate and an opposing substrate that are disposed face to face at a prescribed interval,
the array substrate comprising scan lines, signal lines, switching devices disposed at each intersection between the scan lines and the signal lines, pixel electrodes disposed in a matrix manner and driven by the switching devices and auxiliary capacitance lines for retaining applied voltage for the pixel electrodes,
wherein the pixel electrodes have side edges superposed on black matrices formed on the opposing substrate to achieve shielding of light, and the side edges have parts superposed on shield electrodes disposed on the auxiliary capacitance lines to make an amount of superposition between the pixel electrodes and the black matrices in a region corresponding to positions where the shield electrodes are disposed smaller than that in other regions.
4. A liquid crystal display device according to claim 3, wherein the black matrices have a width in the region corresponding to positions where the shield electrodes are disposed smaller than that in other regions.
The claims below are in addition to those above.
All refrences to claim(s) which appear below refer to the numbering after this setence.
1. A skylight comprising at least one polyester composition comprising at least one polyester, which comprises:
(a) a dicarboxylic acid component comprising:
i) 70 to 100 mole % of terephthalic acid residues;
ii) 0 to 30 mole % of aromatic dicarboxylic acid residues having up to 20 carbon atoms; and
iii) 0 to 10 mole % of aliphatic dicarboxylic acid residues having up to 16 carbon atoms; and
(b) a glycol component comprising:
i) 20 to 30 mole % of 2,2,4,4-tetramethyl-1,3-cyclobutanediol residues; and
ii) 70 to 80 mole % of 1,4-cyclohexanedimethanol residues,
wherein the total mole % of the dicarboxylic acid component is 100 mole %, the total mole % of the glycol component is 100 mole %;
wherein the inherent viscosity of said polyester is from 0.60 to 0.75 dLg as determined in 6040 (wtwt) phenoltetrachloroethane at a concentration of 0.5 g100 ml at 25\xb0 C.;
wherein said polyester has a Tg of from 100 to 130\xb0 C.
wherein said polyester has a notched Izod impact strength of at least 7.5 ft-lbinch at 23\xb0 C. according to ASTM D256 with a 10-mil notch in a \u215b-inch thick bar;
wherein the melt viscosity of said polyester is less than 10,000 poise as measured at 1 radiansecond on a rotary melt rheometer at 290\xb0 C.; and
wherein said polyester composition contains no polycarbonate.
2. The skylight of claim 1, wherein the polyester has a Tg of 100 to 120\xb0 C.
3. The skylight of claim 1, wherein the polyester has a Tg of 100 to 115\xb0 C.
4. The skylight of claim 1, wherein the dicarboxylic acid component comprises 80 to 100 mole % of terephthalic acid residues.
5. The skylight of claim 1, wherein the dicarboxylic acid component comprises 90 to 100 mole % of terephthalic acid residues.
6. The skylight of claim 1, wherein the dicarboxylic acid component comprises 95 to 100 mole % of terephthalic acid residues.
7. The skylight of claim 1, wherein the polyester comprises from 0.1 to 10 mole % of 1,3-propanediol residues, 1,4-butanediol residues, or a mixture thereof.
8. The skylight of claim 1, wherein the polyester comprises from 0.01 to 10 mole % of ethylene glycol residues.
9. The skylight of claim 1, wherein the 2,2,4,4-tetramethyl-1,3-cyclobutanediol residues is a mixture comprising greater than 50 mole % of cis-2,2,4,4-tetramethyl-1,3-cyclobutanediol residues and less than 50 mole % of trans-2,2,4,4-tetramethyl-1,3-cyclobutanediol residues.
10. The skylight of claim 1, wherein said 2,2,4,4-tetramethyl-1,3-cyclobutanediol residues is a mixture comprising greater than 55 mole % of cis-2,2,4,4-tetramethyl-1,3-cyclobutanediol residues and less than 45 mole % of trans-2,2,4,4-tetramethyl-1,3-cyclobutanediol residues.
11. The skylight of claim 1, wherein the 2,2,4,4-tetramethyl-1,3-cyclobutanediol is a mixture comprising greater than 50 mole % of cis-2,2,4,4-tetramethyl-1,3-cyclobutanediol residues and less than 50 mole % of trans-2,2,4,4-tetramethyl-1,3-cyclobutanediol residues, and wherein the dicarboxylic acid component comprises 80 to 100 mole % of terephthalic acid residues.
12. The skylight of claim 1, wherein the polyester composition comprises at least one polymer chosen from poly(etherimides), polyphenylene oxides, poly(phenylene oxide)polystyrene blends, polystyrene resins, polyphenylene sulfides, polyphenylene sulfidesulfones, polysulfones; polysulfone ethers, poly(ether-ketones), polyamides, polystyrene, polystyrene copolymers, styrene acrylonitrile copolymers, acrylonitrile butadiene styrene copolymers, poly(methylmethacrylate), and acrylic copolymers.
13. The skylight of claim 1, wherein the polyester comprises residues at least one branching agent an amount of 0.01 to 10 weight % based on the total weight of the polyester.
14. The skylight of claim 1, wherein the melt viscosity of the polyester is less than 6,000 poise as measured at 1 radiansecond on a rotary melt rheometer at 290\xb0 C.
15. The skylight of claim 1, wherein the polyester has a crystallization half-time of greater than 10 minutes at 170\xb0 C.
16. The skylight of claim 1, wherein the polyester has a crystallization half-time of greater than 50 minutes at 170\xb0 C.
17. The skylight of claim 1, wherein the polyester has a crystallization half-time of greater than 100 minutes at 170\xb0 C.
18. The skylight of claim 1, wherein the polyester has a crystallization half-time of greater than 1,000 minutes at 170\xb0 C.
19. The skylight of claim 1, wherein the polyester has a crystallization half-time of greater than 10,000 minutes at 170\xb0 C.
20. The skylight of claim 1, wherein the polyester composition has a density of less than 1.3 gml at 23\xb0 C.
21. The skylight of claim 1, wherein the polyester composition comprises at least one thermal stabilizer or a reaction product thereof.
22. The skylight of claim 1, wherein the yellowness index of the polyester according to ASTM D-1925 is less than 50.
23. The skylight of claim 1, wherein the polyester has a notched Izod impact strength of at least 10 ft-lbsin at 23\xb0 C. according to ASTM D256 with a 10-mil notch in a \u215b-inch thick bar.
24. The skylight of claim 1, wherein the polyester has a notched Izod impact strength of at least 10 ft-lbsin at 23\xb0 C. according to ASTM D256 with a 10-mil notch in a \xbc-inch thick bar.
25. The skylight of claim 1, wherein the polyester comprises the residue of at least one catalyst comprising a tin compound or a reaction product thereof.
26. The skylight of claim 1, wherein the skylight is formed by extrusion.
27. The skylight of claim 1, wherein the skylight is produced by compression molding.
28. The skylight of claim 1, wherein the skylight is formed by injection molding.
29. The skylight of claim 1, further comprising at least one UV additive.
30. A skylight comprising at least one polyester composition comprising at least one polyester, which comprises:
(a) a dicarboxylic acid component comprising:
i) 70 to 100 mole % of terephthalic acid residues;
ii) 0 to 30 mole % of aromatic dicarboxylic acid residues having up to 20 carbon atoms; and
iii) 0 to 10 mole % of aliphatic dicarboxylic acid residues having up to 16 carbon atoms; and
(b) a glycol component comprising:
i) 20 to 30 mole % of 2,2,4,4-tetramethyl-1,3-cyclobutanediol residues; and
ii) 70 to 80 mole % of 1,4-cyclohexanedimethanol residues,
wherein the total mole % of the dicarboxylic acid component is 100 mole %, the total mole % of the glycol component is 100 mole %;
iii) residues of at least one branching agent;
wherein the inherent viscosity of said polyester is from 0.60 to 0.75 dLg as determined in 6040 (wtwt) phenoltetrachloroethane at a concentration of 0.5 g100 ml at 25\xb0 C.;
wherein said polyester has a Tg of from 100 to 120\xb0 C.
wherein said polyester has a notched Izod impact strength of at least 7.5 ft-lbinch at 23\xb0 C. according to ASTM D256 with a 10-mil notch in a \u215b-inch thick bar; and
wherein the melt viscosity of said polyester is less than 10,000 poise as measured at 1 radiansecond on a rotary melt rheometer at 290\xb0 C.; and
wherein said polyester composition contains no polycarbonate.
31. The skylight of claim 30, wherein the polyester has a Tg of 100 to 115\xb0 C.
32. A skylight comprising at least one polyester composition comprising at least one polyester, which comprises:
(a) a dicarboxylic acid component comprising:
i) 70 to 100 mole % of terephthalic acid residues;
ii) 0 to 30 mole % of aromatic dicarboxylic acid residues having up to 20 carbon atoms; and
iii) 0 to 10 mole % of aliphatic dicarboxylic acid residues having up to 16 carbon atoms; and
(b) a glycol component comprising:
i) 20 to 30 mole % of 2,2,4,4-tetramethyl-1,3-cyclobutanediol residues; and
ii) 70 to 80 mole % of 1,4-cyclohexanedimethanol residues,
(c) at least one thermal stabilizer or a reaction product thereof;
wherein the total mole % of the dicarboxylic acid component is 100 mole %, the total mole % of the glycol component is 100 mole %;
wherein the inherent viscosity of said polyester is from 0.60 to 0.75 dLg as determined in 6040 (wtwt) phenoltetrachloroethane at a concentration of 0.5 g100 ml at 25\xb0 C.;
wherein said polyester has a Tg of from 100 to 115\xb0 C.;
wherein said polyester has a notched Izod impact strength of at least 7.5 ft-lbinch at 23\xb0 C. according to ASTM D256 with a 10-mil notch in a \u215b-inch thick bar;
wherein the melt viscosity of said polyester is less than 10,000 poise as measured at 1 radiansecond on a rotary melt rheometer at 290\xb0 C.; and
wherein said polyester composition contains no polycarbonate.
33. The skylight of claim 30 or 32, wherein the polyester compositions comprises residues from at least one branching agent in the amount of 0.01 to 10 mole % based on the total mole percentage of the diacid residues or diol residues.
34. The skylight of claim 1, 30 or 32, wherein said polyester comprises residues of at least one branching agent residue in an amount of 0.1 to 0.7 mole % based on the total weight of the polyester.
35. The skylight sign of claims 1, 30 or 32, wherein said polyester comprises residues of at least one branching agent selected from trimellitic acid, trimellitic anhydride, pyromellitic dianhydride, trimethylolpropane, glycerol, pentaerythritol, citric acid, tartaric acid, and 3-hydroxyglutaric acid.
36. The skylight of claim 1, 30 or 32, wherein said polyester comprises residues of trimellitic anhydride.
37. The skylight of claim 32, wherein said thermal stabilizer comprises at least one ester selected from alkyl, branched alkyl, substituted alkyl, difunctional alkyl, alkyl ethers, aryl, and substituted aryl esters of phosphoric acid, phosphorous acid, phosphonic acid, phosphinic acid, or phosphonous acid.