Organic light-emitting device

Patent metadata

Field	Value
Publication number	US-9865671-B2
Application number	US-201615255156-A
Country	US
Kind code	B2
Filing date	Sep 2, 2016
Priority date	Sep 3, 2015
Publication date	Jan 9, 2018
Grant date	Jan 9, 2018

Abstract

An organic light-emitting device includes a first substrate, a light-emitting structure layer, a first electrode layer, a second electrode layer, a second substrate, first conduction members, a second conduction member and protection structures. The light-emitting structure layer is disposed on the first substrate. The first electrode layer is disposed on the light-emitting structure layer and includes pad-like patterns. The second electrode layer is disposed between the light-emitting structure layer and the first substrate. The second substrate is adhered on the first electrode layer and includes a first circuit and a second circuit. The first circuit includes a continuous pattern and contact portions. The first conduction members are connected between the first circuit and the first electrode layer. The second conduction member is connected between the second circuit and the second electrode layer. The protection structures respectively form open circuits or close circuits between the contact portions and the continuous pattern.

First claim

What is claimed is:

1. An organic light-emitting device, comprising:
a first substrate;
a light-emitting structure layer, disposed on the first substrate;
a first electrode layer, disposed on the light-emitting structure layer, and comprising a plurality pad-like patterns, wherein the pad-like patterns are separated from each other;
a second electrode layer, disposed between the light-emitting structure layer and the first substrate;
a second substrate, adhered on the first electrode layer, and comprising a first circuit and a second circuit, wherein the first circuit and the second circuit are electrically independent to each other, and the first circuit comprises a continuous pattern and a plurality of contact portions, the contact portions and the continuous pattern are separated by a plurality of openings;
a plurality of first conduction members, connected between the first circuit and the first electrode layer;
a second conduction member, connected between the second circuit and the second electrode layer; and
a plurality of protection structures, respectively forming open circuits or close circuits between the contact portions and the continuous pattern.

2. The organic light-emitting device as claimed in claim 1 , wherein the first circuit and the second circuit are formed by a first conductive layer and a second conductive layer, the first conductive layer is exposed on a surface of the second substrate, the first conductive layer is located between the second conductive layer and the first conduction members, and the second conductive layer constructs the contact portions and the continuous pattern.

3. The organic light-emitting device as claimed in claim 2 , wherein the first conductive layer constructs a plurality of first conductive patterns and a second conductive pattern, each of the first conductive patterns is connected to one of the pad-like patterns through one of the first conduction members, and the second conductive pattern is connected to the second electrode layer through the second conduction member.

4. The organic light-emitting device as claimed in claim 3 , wherein an orthogonal projection area of each of the first conductive patterns is overlapped with an orthogonal projection area of one of the pad-like patterns.

5. The organic light-emitting device as claimed in claim 3 , wherein an orthogonal projection area of each of the openings is located within an orthogonal projection area of one of the first conductive patterns in the first conductive layer.

6. The organic light-emitting device as claimed in claim 2 , wherein the second conductive layer further constructs the protection structures, and each of the protection structures is connected between one of the contact portions and the continuous pattern.

7. The organic light-emitting device as claimed in claim 6 , wherein a temperature tolerance of the protection structures is smaller than that of the continuous pattern, the contact portions, the first conductive patterns, the first conduction members and the pad-like patterns.

8. The organic light-emitting device as claimed in claim 6 , wherein each of the protection structures has a variant line width and the line width is decreased from an end portion towards a center.

9. The organic light-emitting device as claimed in claim 6 , wherein each of the protection structures has a zigzag shape.

10. The organic light-emitting device as claimed in claim 1 , wherein the protection structures are externally attached to a surface of the second substrate, and the protection structures and the first substrate are located at two opposite sides of the second substrate.

11. The organic light-emitting device as claimed in claim 10 , wherein each of the protection structures comprises a fuse.

12. The organic light-emitting device as claimed in claim 11 , wherein an amount of the pad-like patterns is N, and when a driving current of the organic light-emitting device is X, and a current flowing through the fuse is smaller than or equal to X/N, the fuse forms a close circuit, and when the current flowing through the fuse is greater than X/N and smaller than X, the fuse forms an open circuit.

13. The organic light-emitting device as claimed in claim 1 , wherein the protection structures respectively have a variable resistance value, and the variable resistance value is increased as a temperature of the protection structures is increased.

14. The organic light-emitting device as claimed in claim 1 , further comprising:
a sealing layer, disposed between the first substrate and the second substrate, wherein the first conduction members and the second conduction member all penetrate through the sealing layer.

15. The organic light-emitting device as claimed in claim 1 , further comprising:
at least one transmission line, disposed between the light-emitting structure layer and the second electrode layer.

16. The organic light-emitting device as claimed in claim 15 , wherein the at least one transmission line is connected into a grid.

17. The organic light-emitting device as claimed in claim 16 , wherein the at least one transmission line comprises a plurality of first direction transmission lines and a plurality of second direction transmission lines, an extending direction of the first direction transmission lines is different to an extending direction of the second direction transmission lines, and the first direction transmission lines and the second direction transmission lines are arranged in different intervals.

18. The organic light-emitting device as claimed in claim 17 , wherein at least one of the first direction transmission lines and the second direction transmission lines is arranged in a variant interval.

19. The organic light-emitting device as claimed in claim 15 , further comprising:
an insulation structure, disposed between the at least one transmission line and the light-emitting structure layer, and disposed along with a contour of the at least one transmission line.

20. The organic light-emitting device as claimed in claim 15 , further comprising:
an auxiliary conductive layer, disposed between the second electrode layer and the light-emitting structure layer, and covering the at least one transmission line.

21. The organic light-emitting device as claimed in claim 1 , further comprising:
a connection electrode, disposed on the second electrode layer, and located outside an orthogonal projection area of the light-emitting structure layer.

22. The organic light-emitting device as claimed in claim 1 , wherein an orthogonal projection area of the light-emitting structure layer and an orthogonal projection area of the first electrode layer are both located within an orthogonal projection area of the second electrode layer.

23. A repairing process for an organic light-emitting device, comprising:
determining a target point on the organic light-emitting device, wherein the organic light-emitting device, comprising:
a first substrate;
a light-emitting structure layer, disposed on the first substrate;
a first electrode layer, disposed on the light-emitting structure layer, and comprising a plurality pad-like patterns, wherein the pad-like patterns are separated from each other;
a second electrode layer, disposed between the light-emitting structure layer and the first substrate;
a second substrate, adhered on the first electrode layer, and comprising a first circuit and a second circuit, wherein the first circuit and the sec

Assignees

• Ind Tech Res Inst

Inventors

• Yen Hsi-Hsuan
• Yeh Wen-Yung
• Hu Je-Ping
• Chung Yuan-Shan
• Lai Chih-Ming
• Lin Hsuan-Yu
• LIU Wen-hong
• Chen Hsin-Chu
• Liu Chun-Ting

Classifications

• H10W20/493

  Fuses, i.e. interconnections changeable from conductive to non-conductive · CPC title

• H01L23/5256

  Electricity · mapped topic

• H01L27/3276 Primary

  Electricity · mapped topic

• H01L27/3288

  Electricity · mapped topic

• H01L2251/568

  Electricity · mapped topic