Display device

Patent metadata

Field	Value
Publication number	US-11493814-B2
Application number	US-202017114228-A
Country	US
Kind code	B2
Filing date	Dec 7, 2020
Priority date	Dec 23, 2016
Publication date	Nov 8, 2022
Grant date	Nov 8, 2022

Abstract

Discussed is a display device including a display panel, first gate lines located on the display panel, second gate lines separated from the first gate lines and located on the display panel, first data lines provided on the display panel corresponding to a first display area to cross the first gate lines and defining first pixel areas configuring the first display area, second data lines provided on the display panel corresponding to a second display area to cross the second gate lines and second pixel areas configuring the second display area, wherein the first pixel areas and the second pixel areas have the same size, and wherein a separation area is interposed between the first gate lines and the second gate lines, and a width of the separation area is equal to or wider than a width of a thin film transistor.

First claim

What is claimed is:

1. A display device comprising:
a display panel having a first display area and a second display area and configured to display an image in the first and second display areas;
a plurality of first gate lines located on the display panel corresponding to the first display area;
a plurality of second gate lines separated from the first gate lines and located on the display panel corresponding to the second display area;
a plurality of first data lines provided on the display panel corresponding to the first display area to cross the first gate lines and defining a plurality of first pixel areas configuring the first display area;
a plurality of second data lines provided on the display panel corresponding to the second display area to cross the second gate lines and defining a plurality of second pixel areas configuring the second display area;
a plurality of first thin film transistors at intersections between the first gate lines and the first data lines; and
a plurality of second thin film transistors at intersections between the second gate lines and the second data lines,
wherein the first pixel areas and the second pixel areas have the same size,
wherein a separation area is interposed between ends of the first gate lines and ends of the second gate lines that face each other, and a width of the separation area is equal to or wider than a width of the thin film transistors,
wherein a separation distance between the first pixel areas and the second pixel areas is not less than the width of the separation area, and
wherein the second gate lines are located in parallel above the first gate lines to correspond to each other in a diagonal direction.

2. The display device according to claim 1 , the first gate lines and the second gate lines are separated from each other by a predetermined distance in a diagonal direction.

3. The display device according to claim 1 , wherein a layout of the second thin film transistors, the second gate lines and the second data lines is equal to a layout of the 180-degree rotated first thin film transistors, first gate lines and the first data lines.

4. The display device according to claim 1 , wherein the first gate lines and the second gate lines are provided in parallel on the same line to be spaced apart from each other by the predetermined distance.

5. The display device according to claim 1 , wherein the second gate lines overlap a second data line located adjacent to a boundary of the first display area and the second display area.

6. The display device according to claim 1 , wherein the second gate lines are provided to be spaced apart from a second data line located adjacent to a boundary of the first display area and the second display area.

7. The display device according to claim 1 , further comprising:
a first driving unit for providing first driving signals for displaying the image to the first gate lines and the first data lines; and
a second driving unit for providing second driving signals for displaying the image to the second gate lines and the second data lines.

8. The display device according to claim 7 , wherein the first driving unit includes:
a first gate driving unit for providing first gate signals to the first gate lines;
a first data driving unit for providing first data signals to the first data lines; and
a first timing controller for controlling the first gate driving unit and the first data driving unit, and
wherein the first driving signals include the first gate signals and the first data signals.

9. The display device according to claim 7 , wherein the second driving unit includes:
a second gate driving unit for providing second gate signals to the second gate lines;
a second data driving unit for providing second data signals to the second data lines; and
a second timing controller for controlling the second gate driving unit and the second data driving unit, and
wherein the second driving signals include the second gate signals and the second data signals.

10. The display device according to claim 1 , wherein the display device is any one of a liquid crystal display (LCD), an organic light emitting diode (OLED) display device, a curved display device, a rollable display device and a bendable display device.

11. The display device according to claim 1 , wherein images implemented in the first display area and the second display area are different from or equal to each other.

12. The display device according to claim 1 , wherein the first display area and the second display area are separated by the predetermined distance, and a separation area is interposed between the first display area and the second display area, and
wherein the plurality of first gate lines, the plurality of second gate lines, the plurality of first data lines, and the plurality of second data lines are absent in the separation area.

13. The display device according to claim 1 , wherein each of the first thin film transistors is disposed at an upper side of each of the first gate lines, and each of the second thin film transistors is disposed at a lower side of each of the second gate lines.

14. The display device according to claim 1 , wherein the first thin film transistors is disposed at a right side of the first data lines, and each of the second thin film transistors is disposed at a left side of the second data lines.

15. A display device comprising:
a display panel having a first display area and a second display area and configured to display an image in the first and second display areas;
a plurality of first gate lines located on the display panel corresponding to the first display area;
a plurality of second gate lines separated from the first gate lines and located on the display panel corresponding to the second display area;
a plurality of first data lines provided on the display panel corresponding to the first display area to cross the first gate lines and defining a plurality of first pixel areas configuring the first display area; and
a plurality of second data lines provided on the display panel corresponding to the second display area to cross the second gate lines and defining a plurality of second pixel areas configuring the second display area,
wherein the first pixel areas and the second pixel areas have the same size,
wherein the first gate lines and the second gate lines are separated from each other by a predetermined distance,
wherein a separation distance between the first pixel areas and the second pixel areas is not less than the predetermined distance, and
wherein the second gate lines are located in parallel above the first gate lines to correspond to each other in a diagonal direction.

16. The display device according to claim 15 , wherein the separation distance and the predetermined distance are the same.

17. The display device according to claim 15 , wherein the separation distance and the predetermined distance are different.

18. The display device according to claim 1 , wherein the separation distance and the width of the separation area are different.

Assignees

• Lg Display Co Ltd

Inventors

• Ha Sung-Bong
• Kang Moon-Soo
• Choi Jun-Yong
• Park Shi-Hyung

Classifications

• G09G3/3225

  using an active matrix · CPC title

• G02F1/136204

  Arrangements to prevent high voltage or static electricity failures · CPC title

• G09F9/301

  flexible foldable or roll-able electronic displays, e.g. thin LCD, OLED · CPC title

• G09G3/3648

  using an active matrix (G09G3/367 - G09G3/3696 take precedence) · CPC title

• G02F1/136286 Primary

  Wiring, e.g. gate line, drain line · CPC title