Semiconductor light emitting device and method for manufacturing same
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Abstract
There are provided a semiconductor light emitting device wherein the variation in tone in each device is small and the variation in tone due to deterioration with age is also small, and a method for manufacturing the same. The semiconductor light emitting device includes an active layer for emitting primary light having a first wavelength by current injection, and a light emitting layer excited by the primary light for emitting secondary light having a second wavelength different from said first wavelength, wherein the primary light and the secondary light are mixed to be outputted.
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Citations
28 Claims
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1-17. -17. (canceled)
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18. A method for manufacturing a semiconductor light emitting device, said method comprising:
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a semiconductor light emitting element forming on a first substrate step including a step of forming a semiconductor layers, which has an active layer for emitting primary light having a first wavelength by current injection;
a semiconductor laminate forming step including a step of forming on a second substrate a semiconductor layer, which includes a light emitting layer excited by said primary light for emitting secondary light having a second wavelength different from said first wavelength; and
a bonding step including a step of integrally bonding said semiconductor light emitting element to said semiconductor laminate. - View Dependent Claims (19, 20, 21, 22, 27)
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23. A method for manufacturing a semiconductor light emitting device, said method comprising the steps of:
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forming on a GaAs substrate an InbGacAl1−
b−
cP (0≦
b≦
1, 0≦
c≦
1, 0≦
b+c≦
1) light emitting layer, which is excited by blue light for emitting yellow light;
forming a buffer layer on said InbGacAl1−
b−
cP light emitting layer; and
forming on said buffer layer a ZnjCd1−
jSe (0≦
j≦
1) active layer, which emits said blue light by current injection.
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24-26. -26. (canceled)
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28-29. -29. (canceled)
Specification