LED lighting device with mint, amber and yellow colored light-emitting diodes

1. An LED lighting device, comprising:

a plurality of light-emitting diodes belonging to different wavelength groups,

wherein the plurality of light-emitting diodes comprises one or a plurality of sets comprising in each case one mint-colored light-emitting diode, one amber-colored light-emitting diode and a plurality of yellow light-emitting diodes, wherein the yellow light-emitting diodes belong to different wavelength groups,

wherein the LED lighting device is designed, at a relatively low temperature, to operate only the yellow light-emitting diode from the wavelength group with the highest dominant wavelength and, as the temperature rises, to switch in progressively the yellow light-emitting diodes from the wavelength groups with the lower dominant wavelengths.

2. The LED lighting device as claimed in claim 1 , wherein the number of yellow light-emitting diodes corresponds at least approximately to a number of the mint-colored light-emitting diodes and amber-colored light-emitting diodes.

3. The LED lighting device as claimed in claim 1 , wherein the number of yellow light-emitting diodes corresponds at least approximately to one quarter of the light-emitting diodes.

4. The LED lighting device as claimed in claim 3 , wherein the number of mint-colored light-emitting diodes and the number of amber-colored light-emitting diodes at least approximately correspond to one another and of them at least approximately every sixth mint-colored light-emitting diode and every third amber-colored light-emitting diode is replaced by a yellow light-emitting diode.

5. The LED lighting device as claimed in claim 1 , wherein the LED lighting device is dimmable by reduction of an operating current of the mint-colored light-emitting diodes and of the amber-colored light-emitting diodes.

6. The LED lighting device as claimed in claim 1 , wherein the LED lighting device comprises at least one blue light-emitting diode and is designed to switch off the at least one blue light-emitting diode upon a temperature threshold value being reached, wherein the temperature threshold value lies below a typical operating temperature of the at least on blue light-emitting diode.

7. The LED lighting device as claimed in claim 1 , wherein the LED lighting device is a retrofit lamp.

8. The LED lighting device as claimed in claim 1 , wherein

the at least one mint-colored light-emitting diode comprises an InGaN chip,

the at least one amber-colored light-emitting diode comprises an InGaAlP chip, and

the at least one yellow light-emitting diode comprises an InGaAlP chip.

9. The LED lighting device as claimed in claim 1 , wherein all light-emitting diodes comprise LED chips of the same basic type.

10. The LED lighting device as claimed in claim 1 , wherein the LED lighting device is or comprises a “chip-on-board” module.

11. The LED lighting device as claimed in claim 1 , wherein the LED lighting device is an incandescent lamp or halogen lamp retrofit lamp.

12. The LED lighting device as claimed in claim 9 , wherein the LED chips are INGaN chips.

13. An LED lighting device, comprising:

a plurality of light-emitting diodes belonging to different wavelength groups,

wherein the plurality of light-emitting diodes comprise at least one mint-colored light-emitting diode, at least one amber-colored light-emitting diode and a plurality of yellow light-emitting diodes,

wherein the yellow light-emitting diodes belong to different wavelength groups,

wherein the LED lighting device is designed, at a relatively low operating temperature, to operate only the yellow light-emitting diode from the wavelength group with the highest dominant wavelength and, as the operating temperature rises, to switch in progressively the yellow light-emitting diodes from the wavelength groups with the lower dominant wavelengths.

14. The LED lighting device as claimed in claim 13 , wherein the operating temperature is junction temperature.

15. An LED lighting device comprising:

a plurality of light-emitting diodes belonging to different wavelength groups,

wherein the plurality of light-emitting diodes comprise at least one set, each set comprising at least one mint-colored light-emitting diode, at least one amber-colored light-emitting diode and a plurality of yellow light-emitting diodes,

wherein the yellow light-emitting diodes belong to different wavelength groups,

wherein the LED lighting device is designed, at a relatively low temperature, to operate only the yellow light-emitting diodes from those wavelength groups with the highest dominant wavelength and, as the temperature rises, to switch in progressively the yellow light-emitting diodes from the wavelength groups with those lower dominant wavelengths.