Organic light emitting diode display device and organic light emitting diode thereof

Patent metadata

Field	Value
Publication number	US-2017084875-A1
Application number	US-201615274827-A
Country	US
Kind code	A1
Filing date	Sep 23, 2016
Priority date	Sep 23, 2015
Publication date	Mar 23, 2017
Grant date	—

Abstract

There is provided an organic light emitting diode display device. The organic light emitting diode display device includes a substrate divided into an emission area and a non-emission area, an overcoating layer disposed on the substrate and including a plurality of micro lenses, a plurality of first electrode patterns disposed on the overcoating layer and spaced away from each other in the emission area, an organic emission layer disposed on the plurality of first electrodes, and a second electrode disposed on the organic emission layer.

First claim

What is claimed is:

1 . An organic light emitting diode display device comprising:
a substrate; an overcoating layer disposed on the substrate and including a plurality of micro lenses, each of the plurality of micro lenses including a recess; a first electrode pattern disposed on the overcoating layer and having at least one opening corresponding to the recess; an organic emission layer disposed on the substrate; and a second electrode disposed on the organic emission layer, the organic emission layer being disposed between the first electrode pattern and the second electrode.

2 . The organic light emitting diode display device according to claim 1 ,
wherein the organic light emitting diode display device has a first area, a second area and a third area, and each of the plurality of micro lenses further includes a protrusion and a slope, and wherein the first area corresponds to the recess, the second area corresponds to the slope, and the third area corresponds to the protrusion.

3 . The organic light emitting diode display device according to claim 2 , wherein the thickness of the organic emission layer in a direction perpendicular to the slope in the second area is smaller than the thickness of the organic emission layer disposed in the first area and the third area.

4 . The organic light emitting diode display device according to claim 2 , wherein the first electrode pattern is disposed in the second area and the third area of the organic light emitting diode display device.

5 . The organic light emitting diode display device according to claim 2 , wherein the second area and the third area are emission areas and the first area is non-emission area.

6 . The organic light emitting diode display device according to claim 1 , wherein the organic emission layer is disposed in contact with the overcoating layer in an area corresponding to the recess.

7 . The organic light emitting diode display device according to claim 1 , wherein each of the plurality of micro lenses further includes a protrusion and a slope, and the first electrode pattern is disposed in an area corresponding to the protrusion.

8 . The organic light emitting diode display device according to claim 7 , wherein the area corresponding to the protrusion is an emission area, and an area corresponding to the slope and the recess is a non-emission area.

9 . The organic light emitting diode display device according to claim 7 , wherein the organic emission layer of the organic light emitting diode is disposed in contact with the overcoating layer in an area corresponding to the recess and the slope.

10 . The organic light emitting diode display device according to claim 1 , wherein the overcoating layer is exposed at the at least one opening.

11 . The organic light emitting diode display device according to claim 1 , wherein the first electrode pattern includes at least two convex portions spaced apart from each other by the at least one opening.

12 . An organic light emitting diode, comprising:
a first electrode pattern having at least one opening; an organic emission layer disposed on the first electrode pattern; and a second electrode disposed on the organic emission layer, the organic emission layer being disposed between the first electrode pattern and the second electrode.

13 . An organic light emitting diode according to claim 12 , further comprising an overcoating layer disposed on the first electrode pattern and including a plurality of micro lenses, each of the plurality of micro lenses including a recess corresponding to the at least one opening.

14 . The organic light emitting diode according to claim 13 , wherein:
each of the plurality of micro lenses further includes a protrusion and a slope, a thickness of the the organic emission layer in an area corresponding to the slope, and perpendicular to the slope, is smaller than the thickness of the organic emission layer in an area corresponding to the protrusion and the recess.

15 . The organic light emitting diode according to claim 14 , wherein the first electrode pattern is disposed in an area corresponding to the protrusion and the slope.

16 . The organic light emitting diode according to claim 13 , wherein the organic emission layer is disposed in contact with the overcoating layer in an area corresponding to the recess.

17 . The organic light emitting diode according to claim 13 , wherein each of the plurality of micro lenses further includes a protrusion and a slope, and the first electrode pattern is disposed in an area corresponding to the protrusion.

18 . The organic light emitting diode according to claim 17 , wherein the organic emission layer is disposed in contact with the overcoating layer in an area corresponding to the recess and the slope.

19 . The organic light emitting diode according to claim 13 , wherein the overcoating layer is exposed at the at least one opening.

20 . The organic light emitting diode according to claim 12 , wherein the first electrode pattern includes at least two convex portions spaced away from each other by the at least one opening.

Assignees

• Lg Display Co Ltd

Inventors

• Joung Seungryong
• Han Changwook
• Lee Kangju
• Choi Hongseok
• Park Hansun
• Ahn Soyeon
• Jeon Seongsu
• Koo Wonhoe
• Park Jeaho

Classifications

• H10K59/879 Primary

  comprising refractive means, e.g. lenses · CPC title

• H10K59/80515

  characterised by their shape · CPC title

• H10K59/12

  Active-matrix OLED [AMOLED] displays · CPC title

• H10K59/124 Primary

  Insulating layers formed between TFT elements and OLED elements · CPC title

• H01L27/3244

  Electricity · mapped topic