Organic light-emitting diode display device

Patent metadata

Field	Value
Publication number	US-2017194414-A1
Application number	US-201615395042-A
Country	US
Kind code	A1
Filing date	Dec 30, 2016
Priority date	Dec 30, 2015
Publication date	Jul 6, 2017
Grant date	—

Abstract

Provided is an organic light-emitting display device. An organic light-emitting display device (OLED) includes: a substrate including at least three pixel regions arranged in a horizontal direction, a first electrode in each pixel region on the substrate, a bank surrounding each pixel region, and a power line in the horizontal portion at a lower side of each pixel region on the substrate, the power line being configured to supply a driving voltage to each pixel region.

First claim

What is claimed is:

1 . An organic light-emitting display device (OLED), comprising:
a substrate including at least three pixel regions arranged in a horizontal direction; a first electrode in each pixel region on the substrate; a bank surrounding each pixel region; and a power line in the horizontal portion at a lower side of each pixel region on the substrate, the power line being configured to supply a driving voltage to each pixel region.

2 . The OLED of claim 1 , wherein the bank has a same width at boundary portions among the at least three pixel regions.

3 . The OLED of claim 1 , wherein the driving voltage is supplied from both ends of the power line.

4 . The OLED of claim 1 , further comprising:
a gate line in the horizontal direction on the substrate; and a data line crossing the gate line, wherein the power line and the gate line are at a same layer and are formed of a same material.

5 . The OLED of claim 1 , further comprising an auxiliary electrode spaced apart from the first electrode and electrically connected with the power line.

6 . The OLED of claim 5 , further comprising:
a gate insulating layer on the gate line and the power line; and a planarization layer on the gate insulating layer, wherein the data line is between the gate insulating layer and the planarization layer, and wherein the first electrode is on the planarization layer.

7 . The OLED of claim 6 , wherein:
the gate insulating layer and the planarization layer include a contact hole exposing a portion of the power line; and the power line is connected to the auxiliary electrode through the contact hole.

8 . The OLED of claim 1 , further comprising an organic light-emitting layer on the first electrode.

9 . The OLED of claim 8 , wherein the organic light-emitting layer is laminated using a soluble process.

10 . An organic light-emitting display device (OLED), comprising:
a substrate including:
a plurality of gate lines and data lines crossing each other; and
at least three pixel regions arranged in a horizontal direction at crossing portions of the gate and data lines;
a first electrode in each pixel region on the substrate; a bank surrounding each pixel region; and a power line in parallel with the gate line, the power line being configured to supply a driving voltage to each pixel region.

11 . The OLED of claim 10 , wherein the bank has a same width at boundary portions among the at least three pixel regions.

12 . The OLED of claim 10 , wherein the driving voltage is supplied from both ends of the power line.

13 . The OLED of claim 10 , wherein the power line and the gate line are at a same layer and are formed of a same material.

14 . The OLED of claim 10 , further comprising an auxiliary electrode spaced apart from the first electrode and electrically connected with the power line.

15 . The OLED of claim 14 , further comprising:
a gate insulating layer on the gate line and the power line; and a planarization layer on the gate insulating layer, wherein the data line is between the gate insulating layer and the planarization layer, and wherein the first electrode is on the planarization layer.

16 . The OLED of claim 15 , wherein:
the gate insulating layer and the planarization layer include a contact hole exposing a portion of the power line; and the power line is connected to the auxiliary electrode through the contact hole.

17 . The OLED of claim 10 , further comprising an organic light-emitting layer on the first electrode.

18 . The OLED of claim 17 , wherein the organic light-emitting layer is laminated using a soluble process.

19 . An organic light-emitting display device (OLED), comprising:
a substrate including pixel regions emitting a same color on each column line; a first electrode in each pixel region on the substrate; a bank surrounding each pixel group including neighboring pixel regions on each column line; and an organic light-emitting layer on the first electrode and corresponding to each pixel group.

20 . The OLED of claim 19 , further comprising:
a data line in a column direction; a gate line in a row direction; and a power line in parallel with the gate line.

21 . The OLED of claim 20 , wherein the bank has a same width at boundary portions among pixel regions emitting different colors on a row line.

22 . The OLED of claim 20 , further comprising an auxiliary electrode spaced apart from the first electrode and electrically connected with the power line.

23 . The OLED of claim 19 , further comprising:
a data line in a column direction; a gate line in a row direction; and a power line in parallel with the data line.

24 . The OLED of claim 19 , further comprising an insulation pattern between neighboring pixel regions within each pixel group, the insulation pattern covering edge portions of the neighboring pixel regions within each pixel group.

25 . The OLED of claim 19 , wherein the organic light-emitting layer is laminated using a soluble process.

26 . An organic light-emitting display device (OLED), comprising:
a substrate including pixel regions emitting a same color on each column line; a first electrode in each pixel region on the substrate; a bank between neighboring pixel regions on each column line, the bank including:
a first part; and
second parts at each side of the first part and each having a thickness less than that of the first part; and
an organic light-emitting layer on the first electrode and the second parts.

27 . The OLED of claim 26 , further comprising:
a data line in a column direction; a gate line in a row direction; and a power line parallel with the gate line.

28 . The OLED of claim 27 , wherein the bank has a same width at boundary portions among pixel regions emitting different colors on a row line.

29 . The OLED of claim 27 , further comprising an auxiliary electrode spaced apart from the first electrode and electrically connected with the power line.

30 . The OLED of claim 26 , further comprising:
a data line in a column direction; a gate line in a row direction; and a power line parallel with the data line.

31 . The OLED of claim 26 , wherein the organic light-emitting layer is laminated using a soluble process.

Assignees

• Lg Display Co Ltd

Inventors

• Lee A-Ryoung
• Yang Ki-Soub
• Shim Da-Hye

Classifications

• H01L27/3211

  Electricity · mapped topic

• H01L27/3246

  Electricity · mapped topic

• H01L51/0003

  Electricity · mapped topic

• H01L51/5012

  Electricity · mapped topic

• H01L27/3276 Primary

  Electricity · mapped topic