Liquid crystal display
View Patent ↗A liquid crystal display (LCD) is provided that includes: a first substrate; a gate line formed on the first substrate; a data line intersecting the gate line to define a pixel; a thin-film transistor (TFT) connected to the gate line and the data line and formed in the pixel; a sustain electrode line including a first sustain electrode that passes through the pixel, so as to divide the pixel into a first region and a transparent second region, and a second sustain electrodes that extend perpendicularly from the first sustain electrode; and a first pixel electrode connected to the TFT, disposed in the first region.
1. A liquid crystal display (LCD) comprising:
a first substrate;
a gate line disposed on the first substrate;
a data line extending across the gate line, so as to at least partially define a pixel;
a thin-film transistor (TFT) disposed in the pixel and connected to the gate line and the data line;
a sustain electrode line disposed on the substrate and comprising:
a first sustain electrode that divides the pixel into a first region and a transparent second region; and
second sustain electrodes that extend perpendicularly from the first sustain electrode, into the first region;
a first pixel electrode connected to the TFT, disposed in the first region, and overlapping the second sustain electrodes;
a second substrate disposed facing the first substrate; and
a color filter disposed on the second substrate so as to cover the first region and expose the second region.
2. The LCD of claim 1 , wherein the first sustain electrode is parallel to the gate line.
3. The LCD of claim 1 , wherein the second sustain electrodes are parallel to the data line.
4. The LCD of claim 1 , wherein the second sustain electrodes extend along opposing edges of the first region.
5. The LCD of claim 1 , further comprising a second pixel electrode disposed in the second region.
6. The LCD of claim 1 , further comprising
a common electrode disposed on the second substrate.
7. The LCD of claim 6 , wherein the common electrode is configured to receive a first voltage and the sustain electrode line is configured to receive a second voltage that is equal to the first voltage.
8. The LCD of claim 1 , further comprising a liquid crystal layer interposed between the first substrate and the second substrate.
9. The LCD of claim 8 , wherein the liquid crystal layer faces only the first region.
10. The LCD of claim 1 , further comprising:
a liquid crystal layer interposed between the first substrate and the second substrate and facing the first region; and
a transparent organic material disposed between the first substrate and the second substrate and facing the second region.
11. The LCD of claim 10 , further comprising a second pixel electrode disposed in the second region.
12. The LCD of claim 11 , wherein the second pixel electrode is connected to the sustain electrode line through a hole.
13. The LCD of claim 11 , wherein the second pixel electrode is configured to receive a common voltage, such that liquid crystals located between the common electrode and the second pixel electrode maintain a certain orientation.
14. The LCD of claim 11 , further comprising a partition film disposed between the first and second substrates and extending between the first and second pixel electrodes.
15. The LCD of claim 14 , wherein the partition film is an insulator.
16. The LCD of claim 14 , wherein the partition film is transparent.
17. The LCD of claim 1 , wherein an area of the second region is less than about 80% of the total area of the pixel.
18. The LCD of claim 1 , wherein the pixel has a light transmittance of at least about 10%.
19. A liquid crystal display (LCD) comprising:
a first substrate;
a gate line disposed on the first substrate;
a data line extending across the gate line, so as to at least partially define a pixel;
a thin-film transistor (TFT) disposed in the pixel and connected to the gate line and the data line;
a sustain electrode line disposed on the first substrate and comprising:
a first sustain electrode extending along an edge of the pixel;
second sustain electrodes that extend perpendicularly from the first sustain electrode along opposing edges of the pixel; and
a third sustain electrode that extends between the second sustain electrodes to divide the pixel into a first region and a transparent second region;
a first pixel electrode connected to the TFT, disposed in the first region, and overlapping the second sustain electrodes and the third sustain electrode;
a second substrate disposed facing the first substrate; and
a color filter disposed on the second substrate so as to cover the first region and expose the second region.
20. The LCD of claim 19 , further comprising a second pixel electrode disposed in the second region.
21. A liquid crystal display (LCD) comprising:
a first substrate;
a gate line disposed on the first substrate;
a data line extending across the gate line, so as to at least partially define a pixel;
a thin-film transistor (TFT) disposed in the pixel and connected to the gate line and the data line;
a sustain electrode line disposed on the first substrate and comprising:
a first sustain electrode extending along an edge of the pixel; and
second sustain electrodes that extend perpendicularly from the first sustain electrode, into the pixel;
a first pixel electrode connected to the TFT, disposed between the second sustain electrodes;
two second pixel electrodes disposed in the pixel on opposing sides of the first pixel electrode;
a second substrate disposed facing the first substrate; and
a color filter disposed on the second substrate so as to cover the first pixel electrode and expose the two second pixel electrodes.
22. The LCD of claim 21 , wherein the first pixel electrode and the second pixel electrodes overlap the second sustain electrodes.