Organic light emitting diode display

Patent metadata

Field	Value
Publication number	US-9711585-B2
Application number	US-201514871631-A
Country	US
Kind code	B2
Filing date	Sep 30, 2015
Priority date	Mar 4, 2015
Publication date	Jul 18, 2017
Grant date	Jul 18, 2017

Abstract

An organic light emitting diode display according to an example embodiment of the present invention includes: a substrate; a scan line and a data line that are insulated from one another and crossing each other on the substrate; a first transistor on the substrate and connected to the scan line and the data line; a second transistor connected to the first transistor; a first electrode connected to the second transistor and having a cutout; an organic emission layer on the first electrode; and a second electrode on the organic emission layer, wherein the cutout is at a position corresponding to the data line.

First claim

What is claimed is:

1. An organic light emitting diode display comprising:
a substrate;
a scan line and a data line that are insulated from one another and crossing each other on the substrate;
a first transistor on the substrate and connected to the scan line and the data line;
a second transistor connected to the first transistor;
a first electrode connected to the second transistor and having a cutout;
an organic emission layer on the first electrode; and
a second electrode on the organic emission layer,
wherein the cutout is at a position corresponding to the data line to overlap with a portion of the data line, and an entire width of the data line is at the portion overlapping with the cutout.

2. The organic light emitting diode display of claim 1 , further comprising:
a pixel definition layer on the second transistor and having an opening exposing the first electrode,
wherein the pixel definition layer overlaps the cutout and the organic emission layer is positioned in the opening.

3. The organic light emitting diode display of claim 1 , wherein:
the cutout is concave from one edge of the first electrode to a center of the first electrode.

4. The organic light emitting diode display of claim 1 , wherein a boundary line of the cutout is in a boundary line of the first electrode.

5. The organic light emitting diode display of claim 1 , further comprising:
a driving voltage line or an initialization voltage line on the substrate and extending in a direction parallel to the data line,
wherein the cutout corresponds to the driving voltage line or the initialization voltage line.

6. The organic light emitting diode display of claim 5 , wherein:
the driving voltage line or the initialization voltage line forms a mesh shape structure.

7. An organic light emitting diode display comprising:
a substrate including a plurality of pixels;
a scan line and a data line insulated from one another and crossing each other on the substrate;
a first transistor connected to the scan line and the data line formed in each pixel;
a driving voltage line separated from the scan line and the data line and arranged in a mesh shape;
a second transistor formed in each pixel and connected to the first transistor and the driving voltage line;
a first electrode connected to the second transistor and having a cutout at a position corresponding to the data line;
an organic emission layer on the first electrode; and
a second electrode on the organic emission layer,
wherein the first electrode of at least one pixel among the pixels is electrically isolated from the second transistor, the data line overlapping the first electrode has a first position and a second position configured to be divided by a laser, the driving voltage line connected to the second transistor has a third position and a fourth position configured to be divided by a laser, and both ends of a detour pattern positioned between the third position and the fourth position are respectively configured to be electrically connected to ends of the data line positioned at the first position and the second position by a first connection bridge and a second connection bridge.

8. The organic light emitting diode display of claim 7 , wherein:
the first connection bridge and the second connection bridge are formed of tungsten.

9. The organic light emitting diode display of claim 7 , wherein a portion in which one end of the first connection bridge and one end of the data line are configured to be connected is at the cutout.

10. An organic light emitting diode display comprising:
a substrate;
a scan line and a data line that are insulated from one another and crossing each other on the substrate;
a first transistor on the substrate and connected to the scan line and the data line;
a second transistor connected to the first transistor;
a first electrode connected to the second transistor and having a cutout;
an organic emission layer on the first electrode; and
a second electrode on the organic emission layer,
wherein the cutout is at a position corresponding to the data line, and
wherein the cutout is concave from one edge of the first electrode to a center of the first electrode.

Assignees

• Samsung Display Co Ltd

Inventors

• Kim Yong Chul
• So Dong-Yoon
• Kim Tae Gon

Classifications

• H10K59/1213

  the pixel elements being TFTs · CPC title

• H10K59/123 Primary

  Connection of the pixel electrodes to the thin film transistors [TFT] · CPC title

• H01L2251/301

  Electricity · mapped topic

• H01L27/3211

  Electricity · mapped topic

• H01L2251/5392

  Electricity · mapped topic