IP Library Granted Patent US 11,334,098
Granted Patent B2
US 11,334,098 · App. 16/636,589 · Granted May 17, 2022

Light-emitting component, lamp and use of a lamp and a light-emitting component

Inventors: Sebastian Stigler (Scharmassing, DE); Uli Hiller (Bad Abbach, DE); Martin Moritz (Regensburg, DE)
Assignee: OSRAM OLED GMBH
G05D25/02B60Q3/43H05B45/20
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Quick Facts
Patent No.
US 11,334,098
App. No.
16/636,589
Granted
May 17, 2022
Kind
B2
Abstract

A light-emitting component is disclosed. In an embodiment a light-emitting component includes at least four light sources configured to emit light of different wavelength ranges in pairs and a control device configured to operate the light sources independently of one another in such a way that light from at least two of the light sources is mixed to form a mixed light and adjust an m v,mel,D65 value of the mixed light, wherein the at least four light sources include a first light source configured to emit electromagnetic radiation with a dominant wavelength of at most 450 nm, a second light source configured to emit electromagnetic radiation with a dominant wavelength of at least 480 nm and at most 520 nm or a dominant wavelength of at least 455 nm and at most 470 nm, a third light source configured to emit electromagnetic radiation in a spectral range of green light, and a fourth light source configured to emit electromagnetic radiation in a spectral range of yellow and/or amber light.

Claims (24)

1. A light-emitting component comprising:

at least four light sources configured to emit light of different wavelength ranges in pairs; and

a control device configured to:

operate the light sources independently of one another in such a way that light from at least two of the light sources is mixed to form a mixed light; and

adjust an m v,mel,D65 value of the mixed light,

wherein the at least four light sources comprise a first light source configured to emit electromagnetic radiation with a dominant wavelength of at most 450 nm, a second light source configured to emit electromagnetic radiation with a dominant wavelength of at least 480 nm and at most 520 nm or a dominant wavelength of at least 455 nm and at most 470 nm, a third light source configured to emit electromagnetic radiation in a spectral range of green light, and a fourth light source configured to emit electromagnetic radiation in a spectral range of yellow and/or amber light.

2. The light-emitting component according to claim 1 , wherein the control device is configured to vary the m v,mel,D65 value of the mixed light in a predefinable range, wherein a color temperature of the mixed light at different m v,mel,D65 values from the predefinable range varies by at most 20% about an average value.

3. The light-emitting component according to claim 1 , wherein, in order to produce mixed light with a higher m v,mel,D65 value, the first light source is operated with a lower power in comparison to the second light source than for a lower m v,mel,D65 value.

4. The light-emitting component according to claim 3 , wherein the first light source is not operated and the second light source is operated in order to produce mixed light with the higher m v,mel,D65 value, and the second light source is not operated and the first light source is operated in order to produce mixed light with the lower m v,mel,D65 value.

5. The light-emitting component according to claim 1 , wherein, in order to produce mixed light with a higher m v,mel,D65 value, the third light source is operated with a lower power in comparison to the second light source than for a lower m v,mel,D65 value.

6. The light-emitting component according to claim 5 , wherein the third light source is not operated and the second light source is operated in order to produce mixed light with the higher m v,mel,D65 value, and the second light source is not operated and the third light source is operated in order to produce mixed light with the lower m v,mel,D65 value.

7. The light-emitting component according to claim 1 , wherein a luminous flux of the mixed light is at least 500 lm.

8. A lamp comprising:

at least one light-emitting component according to claim 1 ,

wherein the lamp is configured to emit light having a luminous flux of at least 500 lm.

9. The lamp according to claim 8 , wherein the lamp is configured for general lighting or for lighting the interior of a means of transport.

10. The lamp according to claim 9 , wherein the means of transport is a motor vehicle, a bus, a railway wagon, an aircraft, a boat, a submarine, or a helicopter.

11. A light-emitting component comprising:

at least four light sources configured to emit light of different wavelength ranges in pairs; and

a control device configured to:

operate the light sources independently of one another in such a way that the light from at least two of the light sources is mixed to form a mixed light;

adjust an m v,mel,D65 value of the mixed light; and

vary the m v,mel,D65 value of the mixed light in a predefinable range,

wherein a color temperature of the mixed light at different m v,mel,D65 values from the predefinable range varies by at most 20% about an average value.

Assignments (2)
MERGER Recorded Feb 17, 2026
From: OSRAM OLED GMBH
To: AMS-OSRAM INTERNATIONAL GMBH
Reel/Frame 074881/0104 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded May 5, 2020
From: STIGLER, SEBASTIAN; HILLER, ULI; MORITZ, MARTIN
To: OSRAM OLED GMBH
Reel/Frame 052572/0128 →