Display device

Patent metadata

Field	Value
Publication number	US-11614818-B2
Application number	US-202217827787-A
Country	US
Kind code	B2
Filing date	May 30, 2022
Priority date	Jul 29, 2016
Publication date	Mar 28, 2023
Grant date	Mar 28, 2023

Abstract

A display device including a display panel including a flat area including a first display area and a first peripheral area adjacent to the first display area and a bending area including a second display area and a second peripheral area adjacent to the second display area, and an input sensing unit on the display panel. The input sensing unit includes first touch sensors having a mesh shape, extending in a first direction parallel to a bending axis of the bending area, and arranged in a second direction crossing the first direction, second touch sensors having a mesh shape, extending in the second direction, and arranged in the first direction, first connection electrodes respectively connected to ends of the first touch sensors, second connection electrodes respectively connected to ends of the second touch sensors, and touch signal lines connected to the first connection electrodes and the second connection electrodes.

First claim

What is claimed is:

1. A display device comprising:
a base layer;
a buffer layer disposed on the base layer;
a display element layer disposed on the buffer layer and comprising a plurality of pixels, each of the pixels comprising an anode electrode, a cathode electrode, and a light emitting layer between the anode electrode and the cathode electrode;
an encapsulation layer disposed on the display element layer and covering the pixels;
a plurality of touch sensors disposed directly on the encapsulation layer, each of the touch sensors comprising a plurality of conductive patterns having a mesh shape; and
a plurality of signal lines respectively connected to the touch sensors, and
wherein:
the conductive patterns comprise a plurality of mesh lines defining a plurality of mesh openings;
each of interior angles of one of the mesh openings is greater than 90 degrees;
the base layer comprises a bending area configured to bend about a bending axis; and
inner lines defining the one of the mesh openings are inclined with respect to the bending axis.

2. The display device of claim 1 , wherein the one of the mesh openings comprises at least four of the inner lines.

3. The display device of claim 1 , wherein each of signal lines disposed on the bending area among the signal lines comprises inclined portions with respect to the bending axis.

4. The display device of claim 3 , wherein, for the signal lines disposed on the bending area, the farther each signal line is from the touch sensors, the greater the number of inclined portions.

5. The display device of claim 1 , further comprising a connection electrode disposed between one of the signal lines and one of the conductive patterns, and the connection electrode is connected to the mesh lines,
wherein the connection electrode comprises an edge inclined with respect to the bending axis.

6. The display device of claim 1 , wherein two of the mesh openings adjacent to each other have different shapes from each other.

7. The display device of claim 1 , wherein two of the mesh openings adjacent to each other have different areas from each other.

8. A display device comprising:
a base layer;
a buffer layer disposed on the base layer;
a display element layer disposed on the buffer layer and comprising a plurality of pixels, each of the pixels comprising an anode electrode, a cathode electrode, and a light emitting layer between the anode electrode and the cathode electrode;
an encapsulation layer disposed on the display element layer and covering the pixels;
a plurality of touch sensors disposed directly on the encapsulation layer, each of the touch sensors comprising a plurality of mesh lines defining a plurality of mesh openings; and
a plurality of signal lines respectively connected to the touch sensors,
wherein:
two of the mesh openings adjacent to each other have different areas from each other;
the base layer comprises a bending area configured to bend about a bending axis; and
inner lines defining one of the mesh openings are inclined with respect to the bending axis.

Assignees

• Samsung Display Co Ltd

Inventors

• Kwak Nayun
• Kim Jongseok
• An Chiwook
• Park Yong-Hwan

Classifications

• H10K59/131

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

• H10K59/40 Primary

  OLEDs integrated with touch screens · CPC title

• G06F2203/04112

  Electrode mesh in capacitive digitiser: electrode for touch sensing is formed of a mesh of very fine, normally metallic, interconnected lines that are almost invisible to see. This provides a quite large but transparent electrode surface, without need for ITO or similar transparent conductive material · CPC title

• G06F2203/04102

  Flexible digitiser, i.e. constructional details for allowing the whole digitising part of a device to be flexed or rolled like a sheet of paper · CPC title

• Y02E10/549

  Organic PV cells · CPC title