Light-emitting element with multiple light-emitting stacked layers
First Claim
1. A light-emitting element, comprising:
- a first active layer, generating a first light comprising a first dominant wavelength, wherein the first active layer comprises a first quantum well comprising a first quantum-well band gap and a second quantum well comprising a second quantum-well band gap, and the first quantum well and the second quantum well are alternately stacked to form the first active layer, wherein a difference between the first quantum-well band gap and the second quantum-well band gap is between 0.06 eV and 0.1 eV, and each of the first quantum-well and the second quantum-well is devoid of a barrier; and
a second active layer on the first active layer, generating a second light comprising a second dominant wavelength;
wherein a difference between the first dominant wavelength and the second dominant wavelength is 150 nm to 220 nm.
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Abstract
A light-emitting element, comprises: a first active layer, generating a first light comprising a first dominant wavelength, wherein the first active layer comprises a first quantum well comprising a first quantum-well band gap and a second quantum well comprising a second quantum-well band gap, and the first quantum well and the second quantum well are alternately stacked to form the first active layer, wherein a difference between the first quantum-well band gap and the second quantum-well band gap is between 0.06eV and 0.1eV, and each of the first quantum-well and the second quantum-well is devoid of a barrier; and a second active layer on the first active layer, generating a second light comprising a second dominant wavelength; wherein a difference between the first dominant wavelength and the second dominant wavelength is 150nm to 220nm.
12 Citations
18 Claims
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1. A light-emitting element, comprising:
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a first active layer, generating a first light comprising a first dominant wavelength, wherein the first active layer comprises a first quantum well comprising a first quantum-well band gap and a second quantum well comprising a second quantum-well band gap, and the first quantum well and the second quantum well are alternately stacked to form the first active layer, wherein a difference between the first quantum-well band gap and the second quantum-well band gap is between 0.06 eV and 0.1 eV, and each of the first quantum-well and the second quantum-well is devoid of a barrier; and a second active layer on the first active layer, generating a second light comprising a second dominant wavelength; wherein a difference between the first dominant wavelength and the second dominant wavelength is 150 nm to 220 nm. - View Dependent Claims (2, 3, 4)
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5. A light-emitting element, comprising:
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a first active layer, comprising a first band gap, wherein the first active layer comprises a first quantum well comprising a first quantum-well band gap and a second quantum well comprising a second quantum-well band gap, and the first quantum well and the second quantum well are alternately stacked to form the first active layer, wherein a difference between the first quantum-well band gap and the second quantum-well band gap is between 0.06 eV and 0.1 eV; and a second active layer on the first active layer, comprising a second band gap; wherein a difference between the first band gap and the second band gap is between 0.3 eV and 0.5 eV. - View Dependent Claims (6, 7, 8, 9, 10, 11, 12, 13, 14, 15)
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16. A light-emitting element, comprising:
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a first active layer, generating an invisible light, wherein the first active layer comprises a first quantum well comprising a first quantum-well band gap and a second quantum well comprising a second quantum-well band gap, and the first quantum well and the second quantum well are alternately stacked to form the first active layer, wherein a difference between the first quantum-well band gap and the second quantum-well band gap is between 0.06 eV and 0.1 eV, and each of the first quantum-well and the second quantum-well is devoid of a barrier; and a second active layer on the first active layer, generating a visible light. - View Dependent Claims (17, 18)
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Specification