Semiconductor light emitting diode producing visible light
First Claim
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1. A light emitting diode (LED) device producing visible light comprising:
- a blue LED including semiconductor crystal layers for emitting blue light;
a green LED including semiconductor crystal layers for emitting green light; and
a red LED including semiconductor crystal layers for emitting red light, the blue, green, and red LEDs being Laminated and united serially in a stack.
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Abstract
A method of fabricating a light emitting diode (LED) device producing visible light includes growing layers of an LED emitting blue light to form a blue LED; growing layers of an LED emitting green light to form a green LED; growing layers of an LED emitting red light to form a red LED; and uniting the three LEDs directly to each other by annealing. Therefore, an LED device that can emit light of all three colors from the same region of the LED device with variable light intensity is obtained.
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Citations
25 Claims
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1. A light emitting diode (LED) device producing visible light comprising:
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a blue LED including semiconductor crystal layers for emitting blue light; a green LED including semiconductor crystal layers for emitting green light; and a red LED including semiconductor crystal layers for emitting red light, the blue, green, and red LEDs being Laminated and united serially in a stack. - View Dependent Claims (3, 4, 5, 10, 12, 13, 14, 19, 20, 21)
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2. A light emitting diode (LED) device producing visible light comprising:
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a blue LED including semiconductor crystal layers for emitting blue light; and a green and red LED including semiconductor crystal layers for, respectively, emitting green and red light, the blue LED and the green and red LED being laminated and united serially in a stack. - View Dependent Claims (6, 7, 8, 9, 11, 15, 16, 17, 18, 22, 23, 24, 25)
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Specification