PANEL ARRAY FOR DISPLAY DEVICE WITH NARROW BEZEL

• US 20160111040A1
• Filed: 09/29/2015
• Published: 04/21/2016
• Est. Priority Date: 10/16/2014
• Status: Active Grant

• Current Assignee: LG Display Co., Ltd.
• Original Assignee: LG Display Co., Ltd.
• Inventors: JANG, Hun, KIM, Wondoo, CHUNG, Euihyun, LEE, Cheolhwan
• Granted Patent: US 10,062,317 B2
• Time in Patent Office: Days
• US Class Current: 1/1
• CPC Class Codes: G02F 1/13454 Drivers integrated on the active matrix substrate G02F1/136277 takes precedence
• CPC Class Codes: G09G 2300/0426 Layout of electrodes and connections
• CPC Class Codes: G09G 2310/0281 Arrangement of scan or data electrode driver circuits at the periphery of a panel not inherent to a split matrix structure
• CPC Class Codes: G09G 3/20 for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters
• CPC Class Codes: G09G 3/2096 Details of the interface to the display terminal specific for a flat panel suitable for both CRT and flat panel G09G5/006; specific for a CRT G09G1/167
• CPC Class Codes: G09G 3/3677 suitable for active matrices only
• CPC Class Codes: H01L 27/124 with a particular composition, shape or layout of the wiring layers specially adapted to the circuit arrangement, e.g. scanning lines in LCD pixel circuits wiring structures per se H01L23/52

Abstract

A display device with a reduced bezel area is disclosed. In one embodiment, the display device includes a cut-out region on which an electronic component is to be placed, and a display panel for displaying an image. The cut-out region extends from a first side toward a second side of the display device. The display panel includes a first display area between a third side of the display device and the cut-out region, a second display area between a fourth side of the display device and the cut-out region, and a third display area between the third side and the fourth side of the display device, the third display area disposed below the first display area, the second display area, and the cut-out region toward the second side of the display device.

Claims

1. A display device comprising:

a cut-out region on which an electronic component is to be placed, the cut-out region extending from a first side of the display device toward a second side of the display device; and

a display panel including;

a first display area between a third side of the display device and the cut-out region, each of first pixels of the first display area coupled to a corresponding one of a first set of gate lines,

a second display area between a fourth side of the display device and the cut-out region, each of second pixels of the second display area coupled to a corresponding one of a second set of gate lines, and

a third display area between the third side and the fourth side of the display device, each of third pixels of the third display area coupled to a corresponding one of a third set of gate lines, the third display area disposed below the first display area, the second display area, and the cut-out region toward the second side of the display device.

2. The display device of claim 1, wherein the display panel further includes:

a first non-display area between the third side of the display device and the first and third display areas;

a second non-display area between the fourth side of the display device and the second and third display areas; and

a third non-display area between the first and second display areas and surrounding the cut-out region.

3. The display device of claim 2, wherein the display panel further includes:

a first set of gate drivers in the first non-display area, each of the first set of gate drivers configured to drive a corresponding one of the first set of gate lines coupled to corresponding ones of the first pixels in the first display area;

a second set of gate drivers in the third non-display area, each of the second set of gate drivers configured to drive a corresponding one of the second set of gate lines coupled to corresponding ones of the second pixels in the second display area; and

a third set of gate drivers in the first non-display area, each of the third set of gate drivers configured to drive a corresponding one of the third set of gate lines coupled to corresponding ones of the third pixels in the third display area.

4. The display device of claim 2, wherein the display panel further includes:

a first set of gate drivers in the third non-display area, each of the first set of gate drivers configured to drive a corresponding one of the first set of gate lines coupled to corresponding ones of the first pixels in the first display area;

a second set of gate drivers in the third non-display area, each of the second set of gate drivers configured to drive a corresponding one of the second set of gate lines coupled to corresponding ones of the second pixels in the second display area; and

a third set of gate drivers in the first non-display area, each of the third set of gate drivers configured to drive a corresponding one of the third set of gate lines coupled to corresponding ones of the third pixels in the third display area.

5. The display device of claim 2, wherein the display panel further includes:

a first set of gate drivers in the first non-display area, each of the first set of gate drivers configured to drive a corresponding one of a first subset of the first set of gate lines coupled to corresponding ones of the first pixels in the first display area; and

a second set of gate drivers in the third non-display area, each of the second set of gate drivers configured to drive a corresponding one of a second subset of the first set of gate lines coupled to corresponding ones of the first pixels in the first display area.

6. The display device of claim 5, wherein the first subset of the first set of gate lines and the second subset of the first set of gate lines alternate with each other.

7. The display device of claim 5, wherein the display panel further includes:

a third set of gate drivers in the second non-display area, each of the third set of gate drivers configured to drive a corresponding one of a first subset of the second set of gate lines coupled to corresponding ones of the second pixels in the second display area; and

a fourth set of gate drivers in the third non-display area, each of the fourth set of gate drivers configured to drive a corresponding one of a second subset of the second set of gate lines coupled to corresponding ones of the second pixels in the second display area.

8. The display device of claim 7, wherein the first subset of the second set of gate lines and the second subset of the second set of gate lines alternate with each other.

9. The display device of claim 7, wherein the display panel further includes:

a fifth set of gate drivers in the first non-display area, each of the fifth set of gate drivers configured to drive a corresponding one of a first subset of the third set of gate lines coupled to corresponding ones of the third pixels in the third display area; and

a sixth set of gate drivers in the second non-display area, each of the sixth set of gate drivers configured to drive a corresponding one of a second subset of the third set of gate lines coupled to corresponding ones of the third pixels in the third display area.

10. The display device of claim 9, wherein the first subset of the third set of gate lines and the second subset of the third set of gate lines alternate with each other.

11. The display device of claim 9, wherein one of the fifth set of gate drivers is configured to transmit a gate pulse signal to one of the first set of gate drivers and one of the fourth set of gate drivers.

12. The display device of claim 11, wherein one of the sixth set of gate drivers is configured to transmit another gate pulse signal to one of the third set of gate drivers and one of the second set of gate drivers.

13. The display device of claim 11, wherein the one of the fifth set of gate drivers includes a first port, a second port, and a third port, the first port coupled to a corresponding one of the first subset of the third set of gate lines, the second port coupled to the one of the first set of gate drivers, and the third port coupled to the one of the fourth set of gate drivers.

14. The display device of claim 13, wherein one of the sixth set of gate drivers is configured to transmit another gate pulse signal to one of the third set of gate drivers and one of the second set of gate drivers, and

wherein the one of the sixth set of gate drivers includes a fourth port, a fifth port, and a sixth port, the fourth port coupled to a corresponding one of the second subset of the third set of gate lines, the fifth port coupled to the one of the third set of gate drivers, and the sixth port coupled to the one of the second set of gate drivers.

15. The display device of claim 11, wherein the one of the fourth set of gate drivers is directly connected to a gate line of the first subset of the third set of gate lines driven by the one of the fifth set of gate drivers.

16. The display device of claim 15, wherein one of the sixth set of gate drivers is configured to transmit another gate pulse signal to one of the third set of gate drivers and one of the second set of gate drivers, and wherein the one of the second set of gate drivers is directly connected to a gate line of the second subset of the third set of gate lines driven by the one of the sixth set of gate drivers.

17. The display device of claim 15, wherein the one of the fourth set of gate drivers is closest to the second side of the display device among the fourth set of gate drivers, and the gate line of the first subset of the third set of gate lines is closest to the first side of the display device among the first subset of the third set of gate lines.

18. The display device of claim 17, wherein one of the second set of gate drivers closest to the second side of the display device among the second set of gate drivers is directly connected to a gate line of the second subset of the third set of gate lines closest to the first side of the display device among the second subset of the third set of gate lines.

19. The display device of claim 9, further comprising:

a first signal line extending from the first non-display area to the third non-display area, the first signal line to provide a first clock signal to the first, fourth, and fifth set of gate drivers; and

a second signal line extending from the second non-display area to the third non-display area, the second signal line to provide a second clock signal to the second, third, and sixth set of gate drivers.

20. The display device of claim 19, further comprising an insulating layer between the first signal line and the second signal line in a portion of the third non-display area in which the first signal line and the second signal line cross each other.