초록 ▼

There is provided a liquid crystal panel in which the brightness of an image is high, and deterioration in display quality due to defects such as uneven display or uneven brightness is suppressed. The liquid crystal panel includes a pixel portion including a plurality of thin film transistors and pi

There is provided a liquid crystal panel in which the brightness of an image is high, and deterioration in display quality due to defects such as uneven display or uneven brightness is suppressed. The liquid crystal panel includes a pixel portion including a plurality of thin film transistors and pixel electrodes formed on a first substrate, a second substrate, a liquid crystal and gap holding members provided between the first substrate and the second substrate, and a microlens array including a plurality of microlenses and provided on a surface of the second substrate, the surface being opposite to the first substrate.

대표청구항 ▼

What is claimed is: 1. A liquid crystal panel comprising: a first substrate including a plurality of pixel electrodes; a second substrate including a counter electrode; a liquid crystal; a plurality of gap holding members formed by etching an insulating film; and a microlens array including a plur

What is claimed is: 1. A liquid crystal panel comprising: a first substrate including a plurality of pixel electrodes; a second substrate including a counter electrode; a liquid crystal; a plurality of gap holding members formed by etching an insulating film; and a microlens array including a plurality of microlenses, wherein: the first substrate faces the second substrate through the plurality of pixel electrodes, the counter electrode, the liquid crystal, and the plurality of gap holding members; the microlens array is provided in the second substrate at a side opposite to the first substrate; and the gap holding members are selectively formed over contact holes in which each of the plurality of pixel electrodes is connected with a wiring connected with a thin film transistor. 2. A liquid crystal panel according to claim 1, wherein each of the plurality of gap holding members has a shape selected from the group consisting of a circular column shape, an elliptical column shape, and a polygonal column shape. 3. A liquid crystal panel according to claim 1, wherein a side of each of the plurality of gap holding members is taper-shaped. 4. A liquid crystal panel according to claim 1, wherein each of the plurality of gap holding members contains a material selected from the group consisting of polyimide, acryl, polyamide, polyimidoamide, and epoxy resin. 5. A liquid crystal panel according to claim 1, wherein each of the plurality of gap holding members contains one of an ultraviolet ray curing resin and a thermosetting resin. 6. A liquid crystal panel according to claim 1, wherein the liquid crystal panel sizes diagonally 1 inch or less. 7. A liquid crystal panel according to claim 1, wherein the plurality of gap holding members are provided in a region where light intensity becomes 1/10 or less of a condensing peak of the microlens. 8. A liquid crystal panel according to claim 1, wherein the plurality of gap holding members are provided in a region where light intensity becomes 1/20 or less of a condensing peak of the microlens. 9. The liquid crystal panel according to claim 1 wherein said plurality of gap holding members are arranged with a constant interval. 10. A liquid crystal panel comprising: a first substrate including a plurality of pixel electrodes; a second substrate including a counter electrode; a liquid crystal; a plurality of gap holding members formed by etching an insulating film; and a microlens array including a plurality of microlenses, wherein: the first substrate faces the second substrate through the plurality of pixel electrodes, the counter electrode, the liquid crystal, and the plurality of gap holding members; the microlens array is provided on a surface of the second substrate, the surface being opposite to a surface that faces the first substrate; and the gap holding members are selectively formed over contact holes in which each of the plurality of pixel electrodes is connected with a wiring connected with a thin film transistor. 11. A liquid crystal panel according to claim 10, wherein each of the plurality of gap holding members has a shape selected from the group consisting of a circular column shape, an elliptical column shape, and a polygonal column shape. 12. A liquid crystal panel according to claim 10, wherein a side of each of the plurality of gap holding members is taper-shaped. 13. A liquid crystal panel according to claim 10, wherein each of the plurality of gap holding members contains a material selected from the group consisting of polyimide, acryl, polyamide, polyimidoamide, and epoxy resin. 14. A liquid crystal panel according to claim 10, wherein each of the plurality of gap holding members contains one of an ultraviolet ray curing resin and a thermosetting resin. 15. A liquid crystal panel according to claim 10, wherein the liquid crystal panel sizes diagonally 1 inch or less. 16. A liquid crystal panel according to claim 10, wherein the plurality of gap holding members are provided in a region where light intensity becomes 1/10 or less of a condensing peak of the microlens. 17. A liquid crystal panel according to claim 10, wherein the plurality of gap holding members are provided in a region where light intensity becomes 1/20 or less of a condensing peak of the microlens. 18. The liquid crystal panel according to claim 10 wherein said plurality of gap holding members are arranged with a constant interval. 19. A liquid crystal panel comprising: a first substrate including a thin film transistor and a pixel electrode; a second substrate including a counter electrode; a liquid crystal; a plurality of gap holding members formed by etching an insulating; and a microlens array including a plurality of microlenses, wherein: the first substrate faces the second substrate through the thin film transistor, the pixel electrode, the counter electrode, the liquid crystal, and the plurality of gap holding members; the microlens array is provided in the second substrate at a side opposite to the first substrate; and one of the gap holding members is selectively formed over a contact hole in which the pixel electrode is connected with a wiring connected with the thin film transistor. 20. A liquid crystal panel according to claim 19, wherein: each of the plurality of thin film transistors includes a semiconductor film including a source region, a drain region, and a channel formation region; the source regions or the drain regions of the plurality of thin film transistors are respectively connected to the plurality of pixel electrodes at contact portions; and the plurality of gap holding members are provided over the contact portions. 21. A liquid crystal panel according to claim 19, wherein each of the plurality of gap holding members has a shape selected from the group consisting of a circular column shape, an elliptical column shape, and a polygonal column shape. 22. A liquid crystal panel according to claim 19, wherein a side of each of the plurality of gap holding members is taper-shaped. 23. A liquid crystal panel according to claim 19, wherein each of the plurality of gap holding members contains a material selected from the group consisting of polyimide, acryl, polyamide, polyimidoamide, and epoxy resin. 24. A liquid crystal panel according to claim 19, wherein each of the plurality of gap holding members contains one of an ultraviolet ray curing resin and a thermosetting resin. 25. A liquid crystal panel according to claim 19, wherein the liquid crystal panel sizes diagonally 1 inch or less. 26. A liquid crystal panel according to claim 19, wherein the plurality of gap holding members are provided in a region where light intensity becomes 1/10 or less of a condensing peak of the microlens. 27. A liquid crystal panel according to claim 19, wherein the plurality of gap holding members are provided in a region where light intensity becomes 1/20 or less of a condensing peak of the microlens. 28. The liquid crystal panel according to claim 19 wherein said plurality of gap holding members are arranged with a constant interval. 29. A liquid crystal panel comprising: a first substrate including a plurality of thin film transistors and a plurality of pixel electrodes; a second substrate including a counter electrode; a liquid crystal; a plurality of gap holding members formed by etching an insulating; and a microlens array including a plurality of microlenses, wherein: the plurality of thin film transistors control potentials applied to the plurality of pixel electrodes; the first substrate faces the second substrate through the plurality of thin film transistors, the plurality of pixel electrodes, the counter electrode, the liquid crystal, and the plurality of gap holding members; the microlens array is provided on a surface of the second substrate, the surface being opposite to a surface that faces the first substrate; and the plurality of microlenses are provided on one-on-one basis with respect to the plurality of pixels, wherein the gap holding members are selectively formed over contact holes in which each of the plurality of pixel electrodes is connected with a wiring connected with one of the plurality of thin film transistors. 30. A liquid crystal panel according to according to claim 29, wherein: each of the plurality of thin film transistors includes a semiconductor film including a source region, a drain region, and a channel formation region; the source regions or the drain regions of the plurality of thin film transistors are respectively connected to the plurality of pixel electrodes at contact portions; and the plurality of gap holding members are provided over the contact portions. 31. A liquid crystal panel according to claim 29, wherein each of the plurality of gap holding members has a shape selected from the group consisting of a circular column shape, an elliptical column shape, and a polygonal column shape. 32. A liquid crystal panel according to claim 29, wherein a side of each of the plurality of gap holding members is taper-shaped. 33. A liquid crystal panel according to claim 29, wherein each of the plurality of gap holding members contains a material selected from the group consisting of polyimide, acryl, polyamide, polyimidoamide, and epoxy resin. 34. A liquid crystal panel according to claim 29, wherein each of the plurality of gap holding members contains one of an ultraviolet ray curing resin and a thermosetting resin. 35. A liquid crystal panel according to claim 29, wherein the liquid crystal panel sizes diagonally 1 inch or less. 36. A liquid crystal panel according to claim 29, wherein the plurality of gap holding members are provided in a region where light intensity becomes 1/10 or less of a condensing peak of the microlens. 37. A liquid crystal panel according to claim 29, wherein the plurality of gap holding members are provided in a region where light intensity becomes 1/20 or less of a condensing peak of the microlens. 38. The liquid crystal panel according to claim 29 wherein said plurality of gap holding members are arranged with a constant interval. 39. A liquid crystal projector comprising: a white light source; splitting means for splitting white light emitted from the white light source into a plurality of lights having different colors; a plurality of liquid crystal panels respectively corresponding to the plurality of lights; first optical means for irradiating the plurality of lights to the plurality of corresponding liquid crystal panels; and second optical means for condensing a plurality of transmitted lights transmitted through the plurality of liquid crystal panels, wherein: at least one of the plurality of liquid crystal panels includes a first substrate and a second substrate; the plurality of lights are irradiated from a side of the second substrate to the liquid crystal panel; a plurality of gap holding members are provided between the first substrate and the second substrate wherein said plurality of gap holding members are formed by etching an insulating film; and a microlens array is provided at a side of the second substrate where the plurality of lights are irradiated, wherein the gap holding members are selectively formed over contact holes in which each of a plurality of pixel electrodes is connected with a wiring connected with a thin film transistor. 40. A liquid crystal projector according to claim 39, wherein each of the plurality of gap holding members has a shape selected from the group consisting of a circular column shape, an elliptical column shape, and a polygonal column shape. 41. A liquid crystal projector according to claim 39, wherein a side of each of the plurality of gap holding members is taper-shaped. 42. A liquid crystal projector according to claim 39, wherein each of the plurality of gap holding members contains a material selected from the group consisting of polyimide, acryl, polyamide, polyimidoamide, and epoxy resin. 43. A liquid crystal projector according to claim 39, wherein each of the plurality of gap holding members contains one of an ultraviolet ray curing resin and a thermosetting resin. 44. A liquid crystal projector according to claim 39, wherein the liquid crystal panel sizes diagonally 1 inch or less. 45. The liquid crystal projector according to claim 39 wherein said plurality of gap holding members are arranged with a constant interval. 46. A liquid crystal projector comprising: a white light source; splitting means for splitting white light emitted from the white light source into a plurality of lights having different colors; a plurality of liquid crystal panels respectively corresponding to the plurality of lights; first optical means for irradiating the plurality of lights to the plurality of corresponding liquid crystal panels; and second optical means for condensing a plurality of transmitted lights transmitted through the plurality of liquid crystal panels, wherein: at least one of the plurality of liquid crystal panels includes a first substrate and a second substrate; the plurality of lights are irradiated from a side of the second substrate to the liquid crystal panel; a plurality of pixels are provided on the first substrate; each of the plurality of pixels includes a pixel electrode and a thin film transistor connected to the pixel electrode; a plurality of gap holding members are provided between the first substrate and the second substrate wherein said plurality of gap holding members are formed by etching an insulating film; a microlens array is provided at a side of the second substrate where the plurality of lights are irradiated; and a plurality of microlenses included in the microlens array are provided on one-on-one basis with respect to the plurality of pixels, wherein one of the gap holding members is selectively formed over a contact hole in which the pixel electrode is connected with a wiring connected with the thin film transistor. 47. A liquid crystal projector according to claim 46, wherein: the thin film transistor included in each of the plurality of pixels includes a semiconductor film including a source region, a drain region, and a channel formation region; and the source regions or the drain regions are respectively connected to the plurality of pixel electrodes at contact portions. 48. A liquid crystal projector according to claim 46, wherein each of the plurality of gap holding members has a shape selected from the group consisting of a circular column shape, an elliptical column shape, and a polygonal column shape. 49. A liquid crystal projector according to claim 46, wherein a side of each of the plurality of gap holding members is taper-shaped. 50. A liquid crystal projector according to claim 46, wherein each of the plurality of gap holding members contains a material selected from the group consisting of polyimide, acryl, polyamide, polyimidoamide, and epoxy resin. 51. A liquid crystal projector according to claim 46, wherein each of the plurality of gap holding members contains one of an ultraviolet ray curing resin and a thermosetting resin. 52. A liquid crystal projector according to claim 46, wherein the liquid crystal panel sizes diagonally 1 inch or less. 53. The liquid crystal projector according to claim 46 wherein said plurality of gap holding members are arranged with a constant interval. 54. A liquid crystal projector comprising: a white light source; splitting means for splitting white light emitted from the white light source into a plurality of lights having different colors; a plurality of liquid crystal panels respectively corresponding to the plurality of lights; first optical means for irradiating the plurality of lights to the plurality of corresponding liquid crystal panels; and second optical means for condensing a plurality of transmitted lights transmitted through the plurality of liquid crystal panels, wherein: at least one of the plurality of liquid crystal panels includes a first substrate and a second substrate; the plurality of lights are irradiated from a side of the second substrate to the liquid crystal panel; a pixel portion including a plurality of pixels is provided on the first substrate; each of the plurality of pixels includes a pixel electrode and a thin film transistor connected to the pixel electrode, said thin film transistor comprising a crystalline semiconductor film including a channel region therein; a plurality of gap holding members are provided between the pixel portion and the second substrate wherein said plurality of gap holding members are formed by etching an insulating film; a microlens array is provided at a side of the second substrate where the plurality of lights are irradiated; and a plurality of microlenses included in the microlens array are provided on one-on-one basis with respect to the plurality of pixels, wherein one of the gap holding members is selectively formed over a contact hole in which the pixel electrode is connected with a wiring connected with the thin film transistor. 55. A liquid crystal projector according to claim 54, wherein: the thin film transistor included in each of the plurality of pixels includes a semiconductor film including a source region, a drain region, and a channel formation region; and the source regions or the drain regions are respectively connected to the plurality of pixel electrodes at contact portions. 56. A liquid crystal projector according to claim 54, wherein each of the plurality of gap holding members has a shape selected from the group consisting of a circular column shape, an elliptical column shape, and a polygonal column shape. 57. A liquid crystal projector according to claim 54, wherein a side of each of the plurality of gap holding members is taper-shaped. 58. A liquid crystal projector according to claim 54, wherein each of the plurality of gap holding members contains a material selected from the group consisting of polyimide, acryl, polyamide, polyimidoamide, and epoxy resin. 59. A liquid crystal projector according to claim 54, wherein each of the plurality of gap holding members contains one of an ultraviolet ray curing resin and a thermosetting resin. 60. A liquid crystal projector according to claim 54, wherein the liquid crystal panel sizes diagonally 1 inch or less. 61. The liquid crystal projector according to claim 54 wherein said plurality of gap holding members are arranged with a constant interval. 62. A projector having at least one liquid crystal panel, said liquid crystal panel comprising: a first substrate including a plurality of pixel electrodes, a second substrate including a counter electrode; a liquid crystal; a plurality of gap holding members formed by etching an insulating film; and a microlens array including a plurality of microlenses wherein: the first substrate faces the second substrate through the plurality of pixel electrodes, the counter electrode, the liquid crystal, and the plurality of gap holding members; the microlens array is provided in the second substrate at a side opposite to the first substrate, and the gap holding members are selectively formed over contact holes in which each of the plurality of pixel electrodes is connected with a wiring connected with a thin film transistor. 63. The projector according to claim 62 wherein said plurality of gap holding members are arranged with a constant interval. 64. A projector having at least one liquid crystal panel, said liquid crystal panel comprising: a first substrate including a plurality of pixel electrodes; a second substrate including a counter electrode; a liquid crystal; a plurality of gap holding members formed by etching an insulating film; and a microlens array including a plurality of microlenses, wherein: the first substrate faces the second substrate through the plurality of pixel electrodes, the counter electrode, the liquid crystal, and the plurality of gap holding members; the microlens array is provided on a surface of the second substrate, the surface being opposite to a surface that faces the first substrate, and the gap holding members are selectively formed over contact holes in which each of the plurality of pixel electrodes is connected with a wiring connected with a thin film transistor. 65. The projector according to claim 64 wherein said plurality of gap holding members are arranged with a constant interval. 66. A projector having at least one liquid crystal panel, said liquid crystal panel comprising: a first substrate including a thin film transistor and a pixel electrode; a second substrate including a counter electrode; a liquid crystal; a plurality of gap holding members formed by etching an insulating film; and a microlens array including a plurality of microlenses, wherein: the first substrate faces the second substrate through the thin film transistor, the pixel electrode, the counter electrode, the liquid crystal, and the plurality of gap holding members; the microlens array is provided in the second substrate at a side opposite to the first substrate; and one of the gap holding members is selectively formed over a contact hole in which the pixel electrode is connected with a wiring connected with the thin film transistor. 67. The projector according to claim 66 wherein said plurality of gap holding members are arranged with a constant interval. 68. A projector having at least one liquid crystal panel, said liquid crystal panel comprising: a first substrate including a plurality of thin film transistors and a plurality of pixel electrodes; a second substrate including a counter electrode; a liquid crystal; a plurality of gap holding members formed by etching an insulating film; and a microlens array including a plurality of microlenses, wherein: the plurality of thin film transistors control potentials applied to the plurality of pixel electrodes; the first substrate faces the second substrate through the plurality of thin film transistors, the plurality of pixel electrodes, the counter electrode, the liquid crystal, and the plurality of gap holding members; the microlens array is provided on a surface of the second substrate, the surface being opposite to a surface that faces the first substrate; the plurality of microlenses are provided on one-on-one basis with respect to the plurality of pixels, the gap holding members are selectively formed over contact holes in which each of the plurality of pixel electrodes is connected with a wiring connected with one of the plurality of thin film transistors. 69. The projector according to claim 68 wherein said plurality of gap holding members are arranged with a constant interval.