Liquid crystal display device having a color filter and manufacturing method for the same
View Patent ↗A liquid crystal display (LCD) device comprises a first substrate having a cholesteric liquid crystal (CLC) color filter, a second substrate having a thin film transistor, a seal pattern formed on one of the first and second substrates, a first electrode on the cholesteric liquid crystal (CLC) color filter, the first electrode being overlapped with a portion of the seal pattern, a second electrode on the second substrate, and a liquid crystal layer between the first and second electrodes.
1. A liquid crystal display (LCD) device, comprising:
a first substrate having a cholesteric liquid crystal (CLC) color filter;
a second substrate having a thin film transistor;
a seal pattern formed on one of the first and second substrates;
a first electrode on the cholesteric liquid crystal (CLC) color filter, wherein the first electrode partially overlaps a portion of the seal pattern;
a second electrode on the second substrate; and
a liquid crystal layer between the first and second electrodes.
2. The device according to claim 1 , wherein the liquid crystal display device is a reflective liquid crystal display (LCD) device.
3. A liquid crystal display (LCD) device, comprising:
a first substrate having a cholesteric liquid crystal (CLC) color filter;
a second substrate having a thin film transistor;
a seal pattern formed on one of the first and second substrates;
a first electrode on the cholesteric liquid crystal (CLC) color filter, the first electrode being overlapped with a portion of the seal pattern;
a second electrode on the second substrate; and
a liquid crystal layer between the first and second electrodes, wherein the liquid crystal display device is a transmissive liquid crystal display (LCD) device.
4. The device according to claim 1 , wherein the cholesteric liquid crystal (CLC) color filter has a single-layered structure.
5. A liquid crystal display (LCD) device, comprising:
a first substrate having a cholesteric liquid crystal (CLC) color filter, wherein the cholesteric liquid crystal (CLC) color filter has a double-layered structure;
a second substrate having a thin film transistor;
a seal pattern formed on one of the first and second substrates;
a first electrode on the cholesteric liquid crystal (CLC) color filter, the first electrode being overlapped with a portion of the seal pattern;
a second electrode on the second substrate; and
a liquid crystal layer between the first and second electrodes.
6. A liquid crystal display (LCD) device, comprising:
a first substrate having a cholesteric liquid crystal (CLC) color filter;
a second substrate having a thin film transistor;
a seal pattern formed on one of the first and second substrates;
a first electrode on the cholesteric liquid crystal (CLC) color filter, the first electrode being overlapped with a portion of the seal pattern;
a second electrode on the second substrate; and
a liquid crystal layer between the first and second electrodes, wherein an overlapped width between the first electrode and the seal pattern is greater than zero and less than a width of the seal pattern.
7. The device according to claim 1 , wherein the first electrode includes transparent conductive material.
8. The device according to claim 7 , wherein the transparent conductive material is an indium tin oxide (ITO).
9. The device according to claim 1 , further comprising an alignment layer on the first electrode, wherein the seal pattern partially overlaps the alignment layer.
10. A method of manufacturing a color filter substrate for a liquid crystal display (LCD) device, comprising:
forming a first alignment layer on a substrate, the substrate having a seal pattern forming area defined thereon where a seal pattern is to be formed;
forming a cholesteric liquid crystal (CLC) color filter on the first alignment layer;
forming an electrode on the cholesteric liquid crystal (CLC) color filter, wherein the electrode partially overlaps a portion of the seal pattern forming area; and
forming a second alignment layer on the first electrode.
11. The method according to claim 10 , further comprising forming an absorption layer between the substrate and the first alignment layer.
12. The method according to claim 10 , wherein the liquid crystal display device is a reflective liquid crystal display (LCD) device.
13. A method of manufacturing a color filter substrate for a transmissive liquid crystal display (LCD) device, comprising:
forming a first alignment layer on a substrate, the substrate having a seal pattern forming area defined thereon where a seal pattern is to be formed;
forming a cholesteric liquid crystal (CLC) color filter on the first alignment layer;
forming an electrode on the cholesteric liquid crystal (CLC) color filter, the electrode being overlapped with a portion of the seal pattern forming area; and
forming a second alignment layer on the first electrode.
14. The method according to claim 10 , wherein the cholesteric liquid crystal (CLC) color filter has a single-layered structure.
15. A method of manufacturing a color filter substrate for a liquid crystal display (LCD) device, comprising:
forming a first alignment layer on a substrate, the substrate having a seal pattern forming area defined thereon where a seal pattern is to be formed;
forming a cholesteric liquid crystal (CLC) color filter on the first alignment layer, wherein the cholesteric liquid crystal (CLC) color filter has a double-layered structure;
forming an electrode on the cholesteric liquid crystal (CLC) color filter, the electrode being overlapped with a portion of the seal pattern forming area; and
forming a second alignment layer on the first electrode.
16. A method of manufacturing a color filter substrate for a liquid crystal display (LCD) device, comprising:
forming a first alignment layer on a substrate, the substrate having a seal pattern forming area defined thereon where a seal pattern is to be formed;
forming a cholesteric liquid crystal (CLC) color filter on the first alignment layer;
forming an electrode on the cholesteric liquid crystal (CLC) color filter, the electrode being overlapped with a portion of the seal pattern forming area; and
forming a second alignment layer on the first electrode, wherein an overlapped width between the electrode and the seal pattern forming area is greater than zero and less than a width of the seal pattern.
17. The method according to claim 10 , wherein the electrode is formed of transparent conductive material.
18. The method according to claim 17 , wherein the transparent conductive material includes an indium tin oxide (ITO).
19. The method according to claim 10 , wherein the seal pattern forming area partially overlaps the second alignment layer.
20. A method of manufacturing a liquid crystal display (LCD) device, comprising:
forming a first alignment layer on a first substrate;
forming a cholesteric liquid crystal (CLC) color filter on the first alignment layer;
forming a first electrode on the cholesteric liquid crystal (CLC) color filter;
forming a second alignment layer on the first electrode;
forming a seal pattern partially overlapping a portion of the first electrode;
forming a second electrode on a second substrate;
forming a third alignment layer on the second electrode;
attaching the second substrate to the first substrate using the seal pattern; and
providing a liquid crystal layer between the first and second substrates.
21. The method of claim 20 , wherein the seal pattern partially overlaps the second alignment layer.