Liquid crystal display device
View Patent ↗A liquid crystal display device is provided, which includes a thin film transistor including an oxide semiconductor layer, a first electrode layer, a second electrode layer having an opening, a light-transmitting chromatic-color resin layer between the thin film transistor and the second electrode layer, and a liquid crystal layer. One of the first electrode layer and the second electrode layer is a pixel electrode layer which is electrically connected to the thin film transistor, and the other of the first electrode layer and the second electrode layer is a common electrode layer. The light-transmitting chromatic-color resin layer is overlapped with the pixel electrode layer and the oxide semiconductor layer of the thin film transistor.
1. A liquid crystal display device comprising:
a transistor including an oxide semiconductor layer;
a first electrode layer;
a second electrode layer having an opening;
a light-transmitting chromatic-color resin layer between the transistor and the second electrode layer; and
a liquid crystal layer;
wherein one of the first electrode layer and the second electrode layer is a pixel electrode layer which is electrically connected to the transistor, and the other of the first electrode layer and the second electrode layer is a common electrode layer, and
wherein the light-transmitting chromatic-color resin layer is overlapped with the pixel electrode layer and the oxide semiconductor layer of the transistor.
2. The liquid crystal display device according to claim 1 , wherein the oxide semiconductor layer is a channel formation region of the transistor and is overlapped with a gate electrode layer of the transistor.
3. The liquid crystal display device according to claim 1 , wherein the oxide semiconductor layer contains at least one selected from the group consisting of indium, gallium, and zinc.
4. The liquid crystal display device according to claim 1 , wherein the first electrode layer and the second electrode layer are stacked with the light-transmitting chromatic-color resin layer interposed between the first electrode layer and the second electrode layer.
5. The liquid crystal display device according to claim 1 , wherein the first electrode layer is in a flat-plate shape.
6. The liquid crystal display device according to claim 1 , wherein the second electrode layer has a comb-like shape.
7. The liquid crystal display device according to claim 1 , wherein the light-transmitting chromatic-color resin layer has light transmittance lower than the oxide semiconductor layer.
8. The liquid crystal display device according to claim 1 , wherein the light-transmitting chromatic-color resin layer is one of a coloring layer of red, a coloring layer of green, and a coloring layer of blue.
9. The liquid crystal display device according to claim 1 , wherein the liquid crystal layer includes a liquid crystal material exhibiting a blue phase.
10. The liquid crystal display device according to claim 1 , wherein the liquid crystal layer includes a chiral agent.
11. The liquid crystal display device according to claim 1 , wherein the liquid crystal layer includes a photocurable resin and a photopolymerization initiator.
12. A liquid crystal display device comprising:
a transistor including an oxide semiconductor layer;
a first electrode layer;
a second electrode layer having an opening;
a light-transmitting chromatic-color resin layer between the transistor and the second electrode layer;
a liquid crystal layer; and
a light-blocking layer;
wherein one of the first electrode layer and the second electrode layer is a pixel electrode layer which is electrically connected to the transistor, and the other of the first electrode layer and the second electrode layer is a common electrode layer,
wherein the light-transmitting chromatic-color resin layer is overlapped with the pixel electrode layer, and
wherein the light-blocking layer is overlapped with the oxide semiconductor layer of the transistor.
13. The liquid crystal display device according to claim 12 , wherein the oxide semiconductor layer is a channel formation region of the transistor and is overlapped with a gate electrode layer of the transistor.
14. The liquid crystal display device according to claim 12 , wherein the oxide semiconductor layer contains at least one selected from the group consisting of indium, gallium, and zinc.
15. The liquid crystal display device according to claim 12 , wherein the first electrode layer and the second electrode layer are stacked with the light-transmitting chromatic-color resin layer interposed between the first electrode layer and the second electrode layer.
16. The liquid crystal display device according to claim 12 , wherein the first electrode layer is in a flat-plate shape.
17. The liquid crystal display device according to claim 12 , wherein the second electrode layer has a comb-like shape.
18. The liquid crystal display device according to claim 12 , wherein the light-transmitting chromatic-color resin layer has light transmittance lower than the oxide semiconductor layer.
19. The liquid crystal display device according to claim 12 , wherein the light-transmitting chromatic-color resin layer is one of a coloring layer of red, a coloring layer of green, and a coloring layer of blue.
20. The liquid crystal display device according to claim 12 , wherein the liquid crystal layer includes a liquid crystal material exhibiting a blue phase.
21. The liquid crystal display device according to claim 12 , wherein the liquid crystal layer includes a chiral agent.
22. The liquid crystal display device according to claim 12 , wherein the liquid crystal layer includes a photocurable resin and a photopolymerization initiator.
23. The liquid crystal display device according to claim 12 , wherein the light-blocking layer includes a black resin.
24. The liquid crystal display device according to claim 12 , wherein the light-blocking layer is provided in an upper portion of the transistor with the liquid crystal layer interposed between the transistor and the light-blocking layer.