Display apparatus

Patent metadata

Field	Value
Publication number	US-12336401-B2
Application number	US-202318320012-A
Country	US
Kind code	B2
Filing date	May 18, 2023
Priority date	Jun 9, 2022
Publication date	Jun 17, 2025
Grant date	Jun 17, 2025

Abstract

A display apparatus includes: a substrate having a display area and a peripheral area at a periphery of the display area; a plurality of conductive lines on one side of the peripheral area in a first direction and extending in a second direction crossing the first direction; a first insulating line on the plurality of conductive lines between a first conductive line and a second conductive line, which are adjacent to each other from among the plurality of conductive lines, and extending in the second direction; and a second insulating line on the plurality of conductive lines between a third conductive line and a fourth conductive line, which are adjacent to each other from among the plurality of conductive lines, and extending in the second direction.

First claim

What is claimed is:

1. A display apparatus comprising:
a substrate having a display area and a peripheral area at a periphery of the display area;
a plurality of conductive lines on one side of the peripheral area in a first direction and extending in a second direction crossing the first direction;
a first insulating line on the plurality of conductive lines between a first conductive line and a second conductive line, which are adjacent to each other from among the plurality of conductive lines, and extending in and elongated along the second direction such that opposing edges of the first insulating line that extend parallel to the second direction are between the first and second conductive lines; and
a second insulating line on the plurality of conductive lines between a third conductive line and a fourth conductive line, which are adjacent to each other from among the plurality of conductive lines, and extending in and elongated along the second direction such that opposing edges of the second insulating line that extend parallel to the second direction are between the third and fourth conductive lines.

2. The display apparatus of claim 1 , wherein
the first conductive line, the second conductive line, the third conductive line, and the fourth conductive line are sequentially arranged in the first direction, and
the display apparatus further comprises at least one third insulating line on the plurality of conductive lines, between conductive lines located between the second conductive line and the third conductive line from among the plurality of conductive lines, and extending in the second direction.

3. The display apparatus of claim 2 , wherein
a length of the at least one third insulating line in the second direction is less than each of a length of the first insulating line in the second direction and a length of the second insulating line in the second direction.

4. The display apparatus of claim 2 , wherein
a width of the at least one third insulating line in the first direction is greater than or substantially equal to each of a width of the first insulating line in the first direction and a width of the second insulating line in the first direction.

5. The display apparatus of claim 1 , wherein
first edges on both sides of the first insulating line extending in the second direction are between a first center line of the first conductive line and a second center line of the second conductive line that are in the second direction, and
second edges on both sides of the second insulating line extending in the second direction are between a third center line of the third conductive line and a fourth center line of the fourth conductive line that are in the second direction.

6. The display apparatus of claim 1 , further comprising an insulating pattern overlapping at least a portion of the second conductive line and the third conductive line on the plurality of conductive lines and connecting the first insulating line to the second insulating line.

7. The display apparatus of claim 6 , wherein
the insulating pattern is provided in plurality, and
the plurality of insulating patterns are spaced apart from each other in the second direction.

8. The display apparatus of claim 7 , wherein each of the plurality of conductive lines comprises: a plurality of lower conductive lines spaced apart from each other in the second direction; and an upper conductive line extending in the second direction and overlapping the plurality of lower conductive lines, and
a number of the plurality of lower conductive lines of each of the plurality of conductive lines between insulating patterns that are adjacent to each other in the second direction from among the plurality of insulating patterns, is k (where, k is a natural number).

9. The display apparatus of claim 7 , wherein
each of the plurality of conductive lines comprises a plurality of lower conductive lines spaced apart from each other in the second direction and an upper conductive line extending in the second direction and overlapping the plurality of lower conductive lines, and
the plurality of lower conductive lines of each of the plurality of conductive lines and the plurality of insulating patterns are alternately arranged in the second direction.

10. The display apparatus of claim 6 , wherein
the first insulating line and the second insulating line each are provided in plurality,
the plurality of first insulating lines are spaced apart from each other in the second direction,
the plurality of second insulating lines are spaced apart from each other in the second direction,
the plurality of first insulating lines and the plurality of second insulating lines are alternately arranged in the second direction, and
the insulating pattern comprises a plurality of first insulating patterns, which connect respective first ends of the plurality of first insulating lines to respective second ends of the plurality of second insulating lines, and a plurality of second insulating patterns, which connect respective third ends of the plurality of first insulating lines to respective fourth ends of the plurality of second insulating lines, wherein the third ends face the first ends and the fourth ends face the second ends.

11. The display apparatus of claim 10 , wherein
the plurality of first insulating patterns and the plurality of second insulating patterns are alternately arranged in the second direction.

12. The display apparatus of claim 1 , further comprising:
a transistor in the display area and comprising a semiconductor layer and a gate electrode on the semiconductor layer;
a buffer layer between the substrate and the semiconductor layer; and
an interlayer insulating layer on the gate electrode,
wherein each of the plurality of conductive lines comprises a lower conductive line between the substrate and the buffer layer, and an upper conductive line overlapping the lower conductive line on the interlayer insulating layer and electrically connected to the lower conductive line.

13. The display apparatus of claim 1 , further comprising
a plurality of pixels in the display area,
wherein each of the plurality of pixels comprises:
a light-emitting diode comprising an anode and a cathode;
a driving transistor configured to control a size of a driving current flowing to the light-emitting diode;
a scan transistor configured to transmit a data voltage to a gate of the driving transistor in response to a scan signal; and
a sensing transistor configured to transmit a sensing voltage or an initialization voltage to the anode of the light-emitting diode in response to a sensing signal,
wherein the scan signals are respectively output according to scan clock signals transmitted through some of the plurality of conductive lines, and
the sensing signals are respectively output according to sensing clock signals transmitted through others of the plurality of conductive lines.

14. The display apparatus of claim 13 , wherein
the some of the plurality of conductive lines comprise the first conductive line and the second conductive line, and
the others of the plurality of conductive lines comprise the third conductive line and the fourth conductive line.

15. The display apparatus of claim 1 , further comprising:
a first light-emitting diode, a second light-emitting diode, and a third light-emitting diode, in the display area and comprising a first color emission layer;
a second-color quantum dot layer and a third-color quantum dot layer respectively on the second light-emitting diode and the third light-emitting diode;
a penetration lay

Assignees

• Samsung Display Co Ltd

Inventors

• Kim Sunkwang
• Jo Kangmoon

Classifications

• G09G2300/0819

  used for counteracting undesired variations, e.g. feedback or autozeroing · CPC title

• G09G2320/0252

  Improving the response speed · CPC title

• G09G2300/0452

  Details of colour pixel setup, e.g. pixel composed of a red, a blue and two green components · CPC title

• G09G2300/0426

  Layout of electrodes and connections · CPC title

• H10K59/35

  comprising red-green-blue [RGB] subpixels · CPC title