IP Library Granted Patent US 8,552,652
Granted Patent B2
US 8,552,652 · App. 13/316,071 · Granted Oct 8, 2013

Lighting device, manufacturing method thereof, and electronic apparatus

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Quick Facts
Patent No.
US 8,552,652
App. No.
13/316,071
Granted
Oct 8, 2013
Kind
B2
Abstract

A lighting unit includes, a plurality of light emitting elements which has a first substrate, a supporting electrode, light emitting functional layers, first electrodes, and a second electrode; a plurality of fuse units,; an insulating first partitioning wall which separates each of the light emitting functional layers from each other, and each of the first electrodes from each other; and an insulating second partitioning wall which separates each of fuse units from each other. One of the plurality of fuse units electrically connects one of the first electrodes and the supporting electrode.

Claims (34)

1. A lighting device having a plurality of light emitting elements, the lighting device comprising:

a first substrate;

a supporting electrode to which a first source electric potential is supplied;

a plurality of light emitting functional layers;

a plurality of first electrodes;

a second electrode to which a second source electric potential is supplied;

a plurality of fuse units, one of the plurality of fuse units electrically connecting one of the first electrodes and the supporting electrode;

an insulating first partitioning wall which separates each of the plurality of light emitting functional layers from each other, and separates each of the plurality of first electrodes from each of the plurality of light emitting elements; and

an insulating second partitioning wall which separates each of the plurality of fuse units.

2. The lighting device according to claim 1 ,

wherein each of the plurality of fuse units is formed on the supporting electrode in a one-to-one correspondence with each of the plurality of first electrodes.

3. The lighting device according to claim 2 ,

wherein all of the plurality of fuse units are overlapped with one of the plurality of light emitting functional layers when seen from a direction which is perpendicular to the first substrate.

4. An electronic apparatus according to claim 3 , comprising the lighting device.

5. An electronic apparatus according to claim 2 , comprising the lighting device.

6. The lighting device according to claim 1 ,

wherein each of the plurality of fuse units is formed on the supporting electrode corresponding to two or more light emitting elements of the plurality of light emitting elements.

7. An electronic apparatus according to claim 6 , comprising the lighting device.

8. The lighting device according to claim 1 ,

wherein the plurality of fuse units, the supporting electrode, and the plurality of first electrodes are formed of the same material.

9. An electronic apparatus according to claim 8 , comprising the lighting device.

10. The lighting device according to claim 1 ,

wherein the first substrate, the supporting electrode, the second partitioning wall, and the plurality of first electrodes are formed of a light transmissive material.

11. The lighting device according to claim 10 ,

wherein the plurality of fuse units is formed of the light transmissive material.

12. An electronic apparatus according to claim 11 , comprising the lighting device.

13. An electronic apparatus according to claim 10 , comprising the lighting device.

14. The lighting device according to claim 1 ,

wherein the first substrate and the second electrode are formed of the light transmissive material.

15. An electronic apparatus according to claim 14 , comprising the lighting device.

16. The lighting device according to claim 1 ,

wherein the plurality of light emitting elements is connected to the supporting electrode in parallel.

17. An electronic apparatus according to claim 16 , comprising the lighting device.

18. An electronic apparatus according to claim 1 , comprising a lighting device.

Assignments (2)
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Dec 31, 2018
From: SEIKO EPSON CORPORATION
To: EL TECHNOLOGY FUSION GODO KAISHA
Reel/Frame 047998/0879 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Dec 9, 2011
From: KASAI, TOSHIYUKI
To: SEIKO EPSON CORPORATION
Reel/Frame 027391/0783 →