Liquid crystal display

• US 8,013,832 B2
• Filed: 09/29/2010
• Issued: 09/06/2011
• Est. Priority Date: 08/04/2005
• Status: Expired due to Fees

• Current Assignee: Samsung Display Company Limited (Samsung Electronics Co. Ltd.)
• Original Assignee: Samsung Electronics Co. Ltd.
• Inventors: Oh, Joon-hak, Shin, Kyoung-ju, Park, Cheol-woo, Chai, Chong-chul
• Primary Examiner(s): Lao; Lun-Yi
• Assistant Examiner(s): Suteerawongsa; Jarurat
• Application Number:
  US12/893,228
• Publication Number:
  US 20110018910A1
• Time in Patent Office: 342 Days
• Field of Search: 345/87, 345/88, 345/92, 345 94- 96, 345/102, 345/103, 345208-210, 345/204, 349 41- 42, 349/44, 349/139, 349/141, 349 89- 70
• US Class Current: 345/103
• CPC Class Codes: G09G 2310/0205 Simultaneous scanning of several lines in flat panels
• CPC Class Codes: G09G 2310/0235 Field-sequential colour display
• CPC Class Codes: G09G 3/3614 Control of polarity reversal in general
• CPC Class Codes: G09G 3/3648 using an active matrix G09G3/367 - G09G3/3696 take precedence

Abstract

A display apparatus includes a plurality of pixels arranged in a matrix array; a plurality of gate lines applying a same gate signal to at least two rows of the pixels; a plurality of data lines crossing the gate lines; a TFT disposed at an intersection of each gate line and each data line; and a light source part sequentially providing at least two colors of light to each pixel every frame, thus enhancing a charging rate of each.

Claims

1. A display apparatus comprising:

a plurality of pixels arranged in a matrix array;

a plurality of gate lines applying the same gate signal to at least two rows of the pixels;

a data line crossing the gate lines;

a thin film transistor disposed at an intersection of one of the gate lines and one of the data line;

a pixel electrode connected to the thin film transistor; and

a light source part sequentially providing at least two colors of light to the pixels every frame,

wherein the data line partially overlaps the pixel electrode, and

wherein the pixel further comprises at least one or more bridge electrodes, the bridge electrodes connect the pixel electrodes which are separated from each other across the data line.

2. The display apparatus according to claim 1, wherein the plurality of gate lines applying the same gate signal to the pixels are connected to one another.

3. The display apparatus according to claim 1, wherein three rows of the pixels are applied with the same gate signal.

4. The display apparatus according to claim 1, wherein a plurality of data lines are provided in one pixel.

5. The display apparatus according to claim 4, wherein the number of the data lines in one pixel is the number of the pixels applied with the same gate signal.

6. The display apparatus according to claim 4, wherein at least one of the adjacent pixels in a column direction applied with the same gate signal is connected to a different data line from the others.

7. The display apparatus according to claim 4, wherein the adjacent pixels in a column direction applied with the same gate signal are connected to different data lines from one another.

8. The display apparatus according to claim 1, wherein at least a portion of each pixel comprises a plurality of TFTs.

9. The display apparatus according to claim 8, wherein the TFTs are connected to the same data lines.

10. The display apparatus according to claim 8, wherein the TFT is provided in two.

11. The display apparatus according to claim 10, wherein the TFTs are disposed symmetrically across the data line.

12. The display apparatus according to claim 8, wherein the TFTs are disposed symmetrically across the data line.

13. The display apparatus according to claim 1, wherein each of the pixels comprises a pixel electrode and the data line passing through the pixel.

14. The display apparatus according to claim 13, wherein the data line connected to one pixel does not overlap the pixel electrode.

15. The display apparatus according to claim 14, wherein the pixel further comprises at least one or more bridge electrodes, the bridge electrodes connect the pixel electrodes which are separated from each other across the data line.

16. The display apparatus according to claim 1, wherein the pixel further comprises at least one or more bridge electrodes, the bridge electrodes connect the pixel electrodes which are separated from each other across the data line.

17. The display apparatus according to claim 1, wherein the pixel comprises a pixel electrode and the gate line passes through the pixel.

18. The display apparatus according to claim 17, wherein the pixel comprises four TFTs.

19. The display apparatus according to claim 18, wherein the TFTs are disposed symmetrically across one of the gate lines and the data line.

20. The display apparatus according to claim 17, wherein the one of the gate lines partly overlaps the pixel electrode.

21. The display apparatus according to claim 17, wherein the one of the gates line does not overlap the pixel electrode.

22. The display apparatus according to claim 21, wherein each of the pixels further comprises at least one or more bridge electrodes to connect the pixel electrodes which are separated from each other across the gate line.

23. The display apparatus according to claim 20, wherein each of the pixels further comprises at least one or more bridge electrodes to connect the pixel electrodes which are separated from each other across the gate line.

24. The display apparatus according to claim 1, further comprising an organic layer formed between the data line and the pixel.

25. The display apparatus according to claim 1, wherein the light is three-color light and the three colors comprise red, green and blue.

26. The display apparatus according to claim 4, wherein a first, a second and a third data lines are sequentially provided in one pixel in a row direction, and the adjacent pixels in a column direction are sequentially connected to the first, the second and the third data lines.

27. The display apparatus according to claim 26, further comprising a data driver applying a data signal to the data line and a controller controlling the data driver, wherein the controller controls the data driver so that different polarities of the data signals are applied to the adjacent data lines in a row direction.

28. The display apparatus according to claim 4, wherein a first data line, a second data line and a third data line are sequentially provided in one pixel in a row direction, and the adjacent pixels in a column direction are sequentially connected to the first, the third and the second data lines.

29. The display apparatus according to claim 28, further comprising a data driver applying a data signal to the data line and a controller controlling the data driver, wherein the controller controls the data driver so that different polarities of the data signals are applied to the adjacent data lines in a row direction.