Liquid crystal display device having light-condensing means
View Patent ↗A light-condensing means and a pixel electrode may be formed on the same surface side of a substrate, and a region transmitting visible light in the pixel electrode may be provided so as to overlap with an optical axis of the light-condensing means. An anisotropic light-condensing means having a condensing direction X and a non-condensing direction Y may be used, and the light-condensing means may be provided so that the non-condensing direction Y corresponds to a longitudinal direction of the region transmitting visible light in the pixel electrode.
1. A liquid crystal display device comprising:
a first anisotropic light-condensing means over a substrate;
a second anisotropic light-condensing means over the substrate;
a transistor comprising a semiconductor layer between the first anisotropic light-condensing means and the second anisotropic light-condensing means, wherein the semiconductor layer does not overlap with the first anisotropic light-condensing means or the second anisotropic light-condensing means;
a planarization layer over the transistor;
a color filter over and in contact with a top surface and part of side surfaces of one of the first anisotropic light-condensing means and the second anisotropic light-condensing means; and
a pixel electrode connected to the transistor,
wherein the pixel electrode includes a first region and a second region,
wherein the first region is light reflective and the second region transmits visible light, and
wherein the second region overlaps with the color filter, the first anisotropic light-condensing means, and the second anisotropic light-condensing means.
2. The liquid crystal display device according to claim 1 , wherein each of the first anisotropic light-condensing means and the second anisotropic light-condensing means is a lenticular lens.
3. The liquid crystal display device according to claim 1 , wherein each of the first anisotropic light-condensing means and the second anisotropic light-condensing means has a condensing direction X and a non-condensing direction Y.
4. The liquid crystal display device according to claim 3 , wherein the non-condensing direction Y of each of the first anisotropic light-condensing means and the second anisotropic light-condensing means corresponds to a longitudinal direction of each of the first anisotropic light-condensing means and the second anisotropic light-condensing means.
5. The liquid crystal display device according to claim 1 , further comprising a black matrix overlapping with a boundary between the first region and the second region.
6. A liquid crystal display device comprising:
a first anisotropic light-condensing means over a substrate;
a second anisotropic light-condensing means over the substrate;
a transistor comprising a semiconductor layer between the first anisotropic light-condensing means and the second anisotropic light-condensing means, wherein the semiconductor layer does not overlap with the first anisotropic light-condensing means or the second anisotropic light-condensing means;
a first insulating layer over the transistor;
a color filter over and in contact with a top surface and part of side surfaces of one of the first anisotropic light-condensing means and the second anisotropic light-condensing means;
a second insulating layer over the color filter; and
a pixel electrode connected to the transistor,
wherein the pixel electrode includes a first region and a second region,
wherein the first region is light reflective and the second region transmits visible light,
wherein the second region overlaps with the color filter, the first anisotropic light-condensing means, and the second anisotropic light-condensing means, and
wherein a thickness of the second insulating layer overlapped with the second region is smaller than a thickness of the second insulating layer overlapped with the first region.
7. The liquid crystal display device according to claim 6 , wherein each of the first anisotropic light-condensing means and the second anisotropic light-condensing means is a lenticular lens.
8. The liquid crystal display device according to claim 6 , wherein each of the first anisotropic light-condensing means and the second anisotropic light-condensing means has a condensing direction X and a non-condensing direction Y.
9. The liquid crystal display device according to claim 8 , wherein the non-condensing direction Y of each of the first anisotropic light-condensing means and the second anisotropic light-condensing means corresponds to a longitudinal direction of each of the first anisotropic light-condensing means and the second anisotropic light-condensing means.
10. The liquid crystal display device according to claim 6 , wherein the first insulating layer is a planarization layer.
11. The liquid crystal display device according to claim 6 , further comprising a black matrix overlapping with a boundary between the first region and the second region.
12. A liquid crystal display device comprising:
a first anisotropic light-condensing means over a substrate;
a second anisotropic light-condensing means over the substrate;
reflective layers on side surfaces of the first anisotropic light-condensing means and the second anisotropic light-condensing means;
a transistor comprising a semiconductor layer between adjacent reflective layers;
a planarization layer over the transistor;
a color filter over and in contact with a top surface and part of side surfaces of one of the first anisotropic light-condensing means and the second anisotropic light-condensing means; and
a pixel electrode connected to the transistor,
wherein the pixel electrode includes a first region and a second region,
wherein the first region is light reflective and the second region transmits visible light,
wherein the second region overlaps with the color filter, the first anisotropic light-condensing means and the second anisotropic light-condensing means, and
wherein a top surface of the planarization layer and a top surface of the reflective layers are aligned with each other.
13. The liquid crystal display device according to claim 12 , wherein each of the first anisotropic light-condensing means and the second anisotropic light-condensing means is a lenticular lens.
14. The liquid crystal display device according to claim 12 , wherein each of the first anisotropic light-condensing means and the second anisotropic light-condensing means has a condensing direction X and a non-condensing direction Y.
15. The liquid crystal display device according to claim 14 , wherein the non-condensing direction Y of each of the first anisotropic light-condensing means and the second anisotropic light-condensing means corresponds to a longitudinal direction of each of the first anisotropic light-condensing means and the second anisotropic light-condensing means.
16. The liquid crystal display device according to claim 12 , further comprising a black matrix overlapping with a boundary between the first region and the second region.