IP Library Granted Patent US 10,763,396
Granted Patent B2
US 10,763,396 · App. 16/086,828 · Granted Sep 1, 2020

Light-emitting module and display device comprising same

Inventors: Jürgen Moosburger (Lappersdorf, DE); Matthias Sabathil (Regensburg, DE); Frank Singer (Regenstauf, DE)
Assignee: OSRAM OLED GMBH
H01L33/24H01L27/153H01L33/502H05B45/00H05B45/58H01L25/0753H01L27/156H01L33/504H01L33/508
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Quick Facts
Patent No.
US 10,763,396
App. No.
16/086,828
Granted
Sep 1, 2020
Kind
B2
Abstract

A light-emitting module and a display device including the same are disclosed. In an embodiment a light-emitting module includes a plurality of emission regions configured to emit light, at least one first emission region and at least one second emission region of a first type configured to emit light of a first color locus and at least one first emission region and at least one second emission region of a second type configured to emit light of a second color locus and a control device for supplying the emission regions with current, wherein the emission regions are arranged on a common semiconductor chip, wherein the first color locus is different from the second color locus, wherein the first and second emission regions of the first type are adjacent to one another, and wherein the first and second emission regions of the second type are adjacent to one another.

Claims (42)

1. A light-emitting module comprising:

a plurality of emission regions configured to emit light;

at least one first emission region and at least one second emission region of a first type configured to emit light of a first color locus and at least one first emission region and at least one second emission region of a second type configured to emit light of a second color locus; and

a control device for supplying the emission regions with current,

wherein the emission regions are arranged on a common semiconductor chip,

wherein the first color locus is different from the second color locus,

wherein the first and second emission regions of the first type are adjacent to one another,

wherein the first and second emission regions of the second type are adjacent to one another,

wherein the control device is configured to operate all emission regions separately from one another,

wherein the control device is configured to redundantly operate the emission regions of the first type,

wherein the control device is configured to redundantly operate the emission regions of the second type, and

wherein the control device is configured to detect a defective emission region.

2. The light-emitting module according claim 1 , wherein the control device is configured to not operate the defective emission region.

3. The light-emitting module according to claim 1 , wherein the control device is configured to detect a defect of a first emission region of one type by operation of a second emission region of the same type.

4. The light-emitting module according to claim 1 , wherein the control device has a plurality of operating states.

5. The light-emitting module according to claim 4 , wherein the control device is configured to operate the first emission region and the second emission region of the same type in a first operating state when none of the emission regions is defective.

6. The light-emitting module according to claim 4 , wherein the control device is configured to not operate a first emission region in a second operating state when this emission region is defective, and wherein the control device is configured to operate a second emission region of the same type with a current, wherein the current is greater than a current, with which the second emission region of the same type is operated in a first operating state.

7. The light-emitting module according to claim 4 , wherein the control device is configured to operate a first emission region in a third operating state and to not operate a second emission region of the same type when the first and second emission regions are not defective.

8. The light-emitting module according to claim 4 , wherein the control device is configured to not operate a first emission region in a fourth operating state and to operate a second emission region of the same type when the first emission region is defective.

9. The light-emitting module according to claim 1 ,

wherein the light-emitting module comprises at least a first and a second emission region of a third type configured to emit light of a third color locus,

wherein the third color locus is different from the first and second color locus,

wherein the first and second emission regions of the third type are adjacent to one another, and

wherein the control device is configured to operate the emission regions of the third type in a redundant manner.

10. The light-emitting module according to claim 1 , wherein the light-emitting module comprises a plurality of semiconductor chips, wherein a number of emission regions of different types are arranged jointly on one of the semiconductor chips.

11. The light-emitting module according to claim 1 , wherein the light-emitting module comprises a plurality of semiconductor chips, wherein exclusively the emission regions of one type are arranged on one of the semiconductor chips.

12. The light-emitting module according to claim 1 , wherein the light-emitting module comprises a first emission region and two second emission regions of the same type which are adjacent to the first emission region.

13. The light-emitting module according to claim 1 , wherein the light-emitting module comprises a number of first emission regions of the same type which are associated with a common redundant second emission region of this type.

14. A display device comprising:

the light-emitting module according to claim 1 ,

wherein an image point comprises a first emission region and a second emission region of each type.

15. A light-emitting module comprising:

a plurality of emission regions configured to emit light;

at least one first emission region and at least one second emission region of a first type configured to emit light of a first color locus and at least one first emission region and at least one second emission region of a second type configured to emit light of a second color locus; and

a control device for supplying the emission regions with current,

wherein the emission regions are arranged on a common semiconductor chip,

wherein the first color locus is different from the second color locus,

wherein the first and second emission regions of the first type are adjacent to one another,

wherein the first and second emission regions of the second type are adjacent to one another,

wherein the control device is configured to operate all emission regions separately from one another,

wherein the control device is configured to redundantly operate the emission regions of the first type, and

wherein the control device is configured to redundantly operate the emission regions of the second type.

Assignments (2)
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Jan 3, 2020
From: OSRAM OPTO SEMICONDUCTORS GMBH
To: OSRAM OLED GMBH
Reel/Frame 051464/0504 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Nov 6, 2018
From: MOOSBURGER, JÜRGEN; SABATHIL, MATTHIAS; SINGER, FRANK
To: OSRAM OPTO SEMICONDUCTORS GMBH
Reel/Frame 047426/0204 →