IP Library Granted Patent US 10,651,356
Granted Patent B2
US 10,651,356 · App. 15/663,984 · Granted May 12, 2020

Light-emitting component

Inventor: Siegfried Herrmann (Neukirchen, DE)
Assignee: OSRAM OLED GmbH
H01L33/60H01L25/0753H01L33/62F21Y2115/10H01L33/38H01L2224/48091
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Quick Facts
Patent No.
US 10,651,356
App. No.
15/663,984
Granted
May 12, 2020
Kind
B2
Abstract

A light-emitting component includes at least two radiation-emitting semiconductor chips of a first type configured to emit electromagnetic radiation during operation, and a light exit surface at a light exit side of the light-emitting component, wherein each of the radiation-emitting semiconductor chips of the first type includes a semiconductor layer sequence with a stacking direction, the stacking direction of each radiation-emitting semiconductor chip of the first type is parallel to the light exit surface of the component, and all the semiconductor chips of the first type are arranged directly below the light exit surface.

Claims (29)

1. A light-emitting component comprising:

at least two radiation-emitting semiconductor chips of a first type configured to emit electromagnetic radiation during operation,

a light exit surface at a light exit side of the light-emitting component, and

at least one radiation-emitting semiconductor chip of a second type, wherein

the radiation-emitting semiconductor chips of the first type are arranged between the at least one radiation-emitting semiconductor chip of the second type and the light exit surface,

each radiation-emitting semiconductor chip of the second type is covered by a radiation emitting semiconductor chip of the first type on a side facing the light exit surface,

each of the radiation-emitting semiconductor chips of the first and second types comprises a semiconductor layer sequence with a stacking direction,

the stacking direction of each radiation-emitting semiconductor chip of the first and second types is parallel to the light exit surface of the component, and

all the semiconductor chips of the first type are arranged directly below the light exit surface.

2. The light-emitting component according to claim 1 , wherein the stacking directions of the semiconductor chips of the first type are parallel to each other.

3. The light-emitting component according to claim 1 , wherein, in each radiation-emitting semiconductor chip of the first type, a first side surface is parallel to the light exit surface and a main extension plane of the semiconductor layer sequence is perpendicular to the light exit surface.

4. The light-emitting component according to claim 1 , wherein contact pads of each radiation-emitting semiconductor chip of the first type are freely accessible on a side of the component facing away from the light exit side.

5. The light-emitting component according to claim 1 , wherein

the at least one radiation-emitting semiconductor chip of the second type has a semiconductor layer sequence with a stacking direction,

said stacking direction is transverse or perpendicular relative to the light exit surface of the component, and

the radiation-emitting semiconductor chip of the second type is partially covered by the radiation-emitting semiconductor chips of the first type on its side facing the light exit surface.

6. A light-emitting component comprising:

at least two radiation-emitting semiconductor chips of a first type configured to emit electromagnetic radiation during operation,

at least one radiation-emitting semiconductor chip of a second type configured to emit electromagnetic radiation during operation, and

a light exit surface at a light exit side of the light-emitting component, wherein

each of the radiation-emitting semiconductor chips of the first type comprises a semiconductor layer sequence with a stacking direction,

each of the radiation-emitting semiconductor chips of the second type comprises a second semiconductor layer sequence having a second stacking direction,

the stacking direction of each radiation-emitting semiconductor chip of the first type is parallel to the light exit surface of the component,

all the semiconductor chips of the first type are arranged directly below the light exit surface,

the radiation-emitting semiconductor chips of the first type are arranged between the at least one radiation-emitting semiconductor chip of the second type and the light exit surface, and

the second stacking direction is transverse or perpendicular to the light exit surface of the component, and the radiation-emitting semiconductor chip of the second type is partly covered by the radiation-emitting semiconductor chips of the first type on its side facing the light exit surface.

7. The light-emitting component according to claim 6 , wherein the stacking directions of the semiconductor chips of the first type are parallel to each other.

8. The light-emitting component according to claim 6 , wherein each radiation-emitting semiconductor chip of the first type has a first side surface thereof extending parallel to the light exit surface and a main extension plane of the semiconductor layer sequence extending perpendicular to the light exit surface.

9. The light-emitting component according to claim 6 , wherein contact pads of each radiation-emitting semiconductor chip of the first type are freely accessible on a side of the component facing away from the light exit side.

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 Oct 11, 2017
From: HERRMANN, SIEGFRIED
To: OSRAM OPTO SEMICONDUCTORS GMBH
Reel/Frame 043838/0780 →
Priority Claims (1)
DE 10 2016 114 277 · Aug 2, 2016 · national
Continuity (1)
Related Publication 20180040787A1 · Feb 8, 2018