Electronic device

Patent metadata

Field	Value
Publication number	US-12288526-B2
Application number	US-202318094384-A
Country	US
Kind code	B2
Filing date	Jan 8, 2023
Priority date	Dec 24, 2020
Publication date	Apr 29, 2025
Grant date	Apr 29, 2025

Abstract

An electronic device including a display panel, a scan driving circuit, and a data driving circuit. The display panel includes a plurality of scan lines, a plurality of data lines, and a plurality of pixels. The scan driving circuit is configured to apply a scan signal to the scan lines. The data driving circuit is configured to apply a data signal to the data lines. The scan lines extend in a first direction. The scan driving circuit and the data driving circuit are arranged in the first direction.

First claim

What is claimed is:

1. An electronic device comprising:
a display panel comprising a plurality of scan lines, a plurality of data lines, a plurality of fan-out lines, a plurality of pixels, a plurality of dummy lines, and a scan driving circuit configured to apply a scan signal to the plurality of scan lines; and
a data driving circuit configured to apply a data signal to the plurality of data lines via the plurality of fan-out lines,
wherein:
at least some of the plurality of pixels overlap the plurality of fan-out lines;
the plurality of data lines comprise a plurality of first data lines that each extend in a first direction;
the plurality of dummy lines extend from the plurality of first data lines in the first direction and are spaced apart from the plurality of first data lines in the first direction and face the plurality of first data lines, respectively;
a length of one first data line among the plurality of first data lines is greater than a length of another first data line among the plurality of first data lines;
a length of one dummy line faced to the one first data line is less than a length of another dummy line faced to the another first data line;
the data driving circuit and the scan driving circuit are spaced apart in the first direction; and
the scan driving circuit is disposed between the plurality of dummy lines and the data driving circuit.

2. The electronic device of claim 1 , wherein: the display panel comprises a display area on which an image is displayed and a non-display area defined adjacent to the display area; the plurality of pixels comprises: a first pixel including a first pixel circuit and a first light emitting element connected to the first pixel circuit; a second pixel including a second pixel circuit and a second light emitting element connected to the second pixel circuit; and a third pixel including a third pixel circuit and a third light emitting element connected to the third pixel circuit; the display area includes a first display area in which the first light emitting element is disposed, a second display area in which the second light emitting element is disposed, and a third display area in which the third light emitting element is disposed; and a resolution of the first display area is higher than a resolution of the third display area.

3. The electronic device of claim 2 , wherein the scan driving circuit and the plurality of fan-out lines are disposed in the third display area.

4. The electronic device of claim 2 , wherein the first pixel circuit is disposed in the first display area, and the second pixel circuit and the third pixel circuit are disposed in the second display area.

5. The electronic device of claim 2 , wherein the third light emitting element overlaps the scan driving circuit, and the first pixel, the second pixel, and the third pixel circuit are spaced apart from the scan driving circuit.

6. The electronic device of claim 2 , wherein the resolution of the first display area is higher than a resolution of the second display area.

7. The electronic device of claim 1 , wherein:
the plurality of data lines further comprises a plurality of second data lines, the plurality of first data lines being electrically connected to the plurality of second data lines, respectively; and
the plurality of second data lines extend in a second direction crossing the first direction.

8. The electronic device of claim 7 , wherein each of the plurality of fan-out lines includes a porting extending in a direction different from the first direction and the second direction.

9. The electronic device of claim 7 , wherein:
the plurality of first data lines are electrically connected to the plurality of fan-out lines, respectively; and
the plurality of first data lines extends from the plurality of fan-out lines, respectively.

10. The electronic device of claim 7 , wherein:
the plurality of first data lines are electrically connected to the plurality of fan-out lines, respectively; and
the plurality of first data lines are disposed on a layer different from a layer on which the plurality of fan-out lines are disposed.

11. The electronic device of claim 7 , wherein:
a length of one fan-out line connected to the one first data line is less than a length of another fan-out line connected to the another first data line.

12. The electronic device of claim 7 , wherein:
the plurality of scan lines extend in the first direction; and
the scan driving circuit and the data driving circuit are arranged in the first direction.

13. The electronic device of claim 7 , wherein:
the display panel comprises a first panel area, a bending area, and a second panel area arranged along the first direction;
the scan driving circuit is disposed in the first panel area; and
the data driving circuit is provided in a driving chip form and is electrically connected to the display panel via the second panel area.

14. The electronic device as in claim 1 , wherein the plurality of dummy lines are disposed on the same layer as the plurality of data lines.

15. An electronic device comprising:
a display panel in which a display area displaying an image and a non-display area adjacent to the display area are defined; and
a driving chip electrically connected to the display panel;
wherein:
the display panel comprises:
a plurality of pixels;
a plurality of scan lines electrically connected to the plurality of pixels;
a plurality of data lines electrically connected to the plurality of data lines;
a plurality of fan-out lines electrically connected to the plurality of data lines;
an auxiliary pattern configured to receive a common voltage, disposed in the display area, and having a mesh structure; and

a scan driving circuit providing scan signals to the plurality of scan lines, the plurality of data lines comprises a plurality of first data lines and a plurality of second data lines, the plurality of first data lines being electrically connected to the plurality of second data lines, respectively;
the plurality of first data lines extend in a first direction;
the plurality of second data lines extend in a second direction crossing the first direction;
each of the plurality of fan-out lines includes a portion extending in a direction different from the first direction and the second direction;
the plurality of pixels comprises:
a first pixel including a first pixel circuit and a first light emitting element connected to the first pixel circuit; and
a second pixel including a second pixel circuit and a second light emitting element connected to the second pixel circuit;

the second light emitting element overlaps at least one of the plurality of fan-out lines;
each of the first light emitting element and the second light emitting element comprises a first electrode, a light emitting layer disposed on the first electrode, and a second electrode disposed on the light emitting layer;
the second electrode is configured to receive the common voltage;
the mesh structure includes first lines extending in a first intersecting direction that is different from the first direction and the second direction, and second lines extending in a second intersecting direction that is different from the first direction and the second direction and intersects the first intersecting direction;
the driving chip and the scan driving circuit are spaced apart in the first direction; and
the scan driving circuit is disposed between the plurality of second data lines and the driving chip.

16. The electronic device of claim 15 , wherein:
the second light emittin

Assignees

• Samsung Display Co Ltd

Inventors

• Kim Sunho
• Kim Gun Hee
• Yang Taehoon
• Lee Sun Hee
• Hong Sungjin

Classifications

• G09G3/3275

  Details of drivers for data electrodes · CPC title

• G09G2380/02

  Flexible displays · CPC title

• H10K59/12

  Active-matrix OLED [AMOLED] displays · CPC title

• G09G3/3266 Primary

  Details of drivers for scan electrodes · CPC title

• H10K59/131

  Interconnections, e.g. wiring lines or terminals · CPC title