Display Device

• US 20090189835A1
• Filed: 12/16/2008
• Published: 07/30/2009
• Est. Priority Date: 01/30/2008
• Status: Abandoned Application

• Current Assignee: Samsung Electronics Co. Ltd.
• Original Assignee: Samsung Electronics Co. Ltd.
• Inventors: Na, Byoung-Sun, KIM, Dong-Gyu, Ko, Gwang-Bum
• Application Number:
  US12/336,421
• Publication Number:
  US 20090189835A1
• Time in Patent Office: Days
• US Class Current: 345/80
• CPC Class Codes: G09G 2300/0408 Integration of the drivers onto the display substrate
• CPC Class Codes: G09G 2300/0426 Layout of electrodes and connections
• CPC Class Codes: G09G 2300/0443 with several sub-pixels for the same colour in a pixel, not specifically used to display gradations G09G3/364 takes precedence
• CPC Class Codes: G09G 3/3677 suitable for active matrices only

Abstract

A display device according to one or more embodiments includes a display panel, a source driver part and a gate driver part. The display panel includes a first substrate and a second substrate. According to an embodiment, the first substrate includes a first side extending in a substantially straight line and having a first end and a second end, and a second side extending in a substantially round shape from the first end of the first side to the second end of the first side. A plurality of gate lines is substantially parallel with the first side. The second substrate has a shape corresponding to the first substrate. The source driver part is disposed at the first side, and the gate driver part is disposed at the second side. Thus, a display panel having various shapes besides a rectangular shape may be manufactured according to one or more embodiments.

Claims

1. A display device comprising:

a display panel displaying an image, the display panel comprising;

a first substrate including a first side extending in a substantially straight line and having a first end and a second end, and a second side extending in a substantially round shape from the first end of the first side to the second end of the first side, a plurality of gate lines formed on the first substrate and substantially parallel with the first side; and

a second substrate facing the first substrate and having a shape corresponding to the first substrate;

a source driver part disposed at the first side to transfer a driving signal to the display panel; and

a gate driver part disposed at the second side and electrically connected to the gate lines to drive the gate lines using a gate driving signal.

2. The display device of claim 1, wherein a gate driver circuit of the gate driver part is directly integrated on the first substrate.

3. The display device of claim 2, wherein the gate driver part comprises a shift register including a plurality of stages dependently connected to each other, and an output terminal of each stage is connected to an associated gate line so that the gate lines are sequentially selected by an output signal of each stage.

4. The display device of claim 3, wherein pixels are connected to the stages, and the number of the pixels, each having red, green and blue sub-pixels, decreases as the stages are arranged from a first end of the second side connected to the first end of the first side to a middle portion of the second side.

5. The display device of claim 4, wherein the stages are arranged substantially parallel with the first side from the first end of the second side to a first position along the second side, arranged to form an angle of about 45 degrees with respect to the first side from the first position to a second position along the second side, and arranged to form an angle of about 90 degrees with respect to the first side from the second position to the middle portion of the second side along the second side.

6. The display device of claim 4, wherein an angle that each stage forms with respect to the first side increases from about 0 degrees to 90 degrees as the stages are arranged from the first end of the second side to the middle portion of the second side.

7. The display device of claim 4, wherein a capacitance of a capacitor interconnecting the output terminal of each stage and the associated gate line increases to stably drive the gate lines as the stages are arranged from the first end of the second side to the middle portion of the second side.

8. The display device of claim 1, wherein the gate driver part is disposed from a first end of the second side connected to the first end of the first side to a middle portion of the second side.

9. The display device of claim 1, wherein the gate driver part is disposed from a first end of the second side connected to the first end of the first side to a second end of the second side connected to the second end of the first side.

10. The display device of claim 1, wherein the gate driver part includes a tape carrier package (TCP) having a flexible printed circuit board (FPCB) and a gate driver chip formed on the FPCB.

11. The display device of claim 1, wherein the gate driver part includes a plurality of gate driver chips, and the gate driver chips are formed on the first substrate by using a chip-on-glass (COG) method.

12. A display device comprising:

a display panel displaying an image, the display panel comprising;

a first substrate including a first side serving as a bottom side, a second side and a third side that define a substantially triangular shape, a plurality of gate lines formed on the first substrate and substantially parallel with the first side; and

a second substrate facing the first substrate and having a shape corresponding to the first substrate;

a source driver part disposed at the first side to transfer a driving signal to the display panel; and

a gate driver part disposed at one or both of the second side and the third side and electrically connected to the gate lines to drive the gate lines using a gate driving signal.

13. The display device of claim 12, wherein the triangular shape defined by the first, second and third sides is an equilateral triangular shape.

14. The display device of claim 13, wherein a gate driver circuit of the gate driver part is directly integrated on the first substrate.

15. The display device of claim 14, wherein the gate driver part comprises a shift register including a plurality of stages dependently connected to each other, and an output terminal of each stage is connected to an associated gate line so that the gate lines are sequentially selected by an output signal of each stage.

16. The display device of claim 15, wherein the stages are arranged substantially parallel with the first side.

17. The display device of claim 16, wherein pixels are connected to the stages, and the number of the pixels, each having red, green and blue sub-pixels, decreases as the stages are arranged from at least one end of the first side along either one or both of the second side and the third side.

18. The display device of claim 17, wherein a capacitance of a capacitor interconnecting the output terminal of each stage and the associated gate line increases, to stably drive the gate lines, as the stages are arranged from at least one end of the first side along either one or both of the second side and the third side.

19. A display device comprising:

a display panel displaying an image, the display panel comprising;

a first substrate including a first side serving as a bottom side, a second side, a third side serving as a top side to be substantially parallel with the first side, and a fourth side that define a substantially trapezoidal shape, a plurality of gate lines formed on the first substrate and substantially parallel with the first side; and

a second substrate facing the first substrate and having a shape corresponding to the first substrate;

a source driver part disposed at the first side to transfer a driving signal to the display panel; and

a gate driver part disposed at one or both of the second side and the fourth side and electrically connected to the gate lines to drive the gate lines using a gate driving signal.

20. The display device of claim 19, wherein a gate driver circuit of the gate driver part is directly integrated on the first substrate.

21. The display device of claim 20, wherein the gate driver part comprises a shift register including a plurality of stages dependently connected to each other, and an output terminal of each stage is connected to an associated gate line so that the gate lines are sequentially selected by an output signal of each stage.

22. The display device of claim 21, wherein the stages are arranged substantially parallel with the first side and the third side.

23. The display device of claim 22, wherein pixels are connected to the stages, and the number of the pixels, each having red, green and blue sub-pixels, decreases as the stages are arranged from at least one end of the first side along either one or both of the second side and the fourth side.

24. The display device of claim 23, wherein a capacitance of a capacitor interconnecting the output terminal of each stage and the associated gate line increases to stably drive the gate lines as the stages are arranged from at least one end of the first side along either one or both of the second side and the fourth side.