LIGHT EMITTING DIODE DEVICE WITH MULTIPLE LIGHT EMITTING DIODES
First Claim
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1. An LED (light emitting diode) device, comprising:
- a substrate having a top surface;
a first LED and a second LED arranged on the top surface of the substrate, the first and second LEDs each having a light emitting surface away from the top surface of the substrate, a first wavelength of light emitted from the first LED being shorter than a second wavelength of light emitted from the second LED; and
a lens arranged over the light emitting surfaces of the first and second LEDs, the lens comprising a convergent part just located above the second LED and a divergent part just located above the first LED.
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Abstract
A light emitting diode (LED) device includes a substrate having a top surface, a first LED and a second LED arranged on the top surface of the substrate, and a lens arranged over the light emitting surface of the first and second LEDs. The first and second LEDs each have a light emitting surface away from the top surface of the substrate. A first wavelength of light emitted from the first LED is shorter than a second wavelength of light emitted from the second LED. The lens includes a convergent part located right above the second LED and a divergent part located right above the first LED.
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Citations
17 Claims
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1. An LED (light emitting diode) device, comprising:
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a substrate having a top surface; a first LED and a second LED arranged on the top surface of the substrate, the first and second LEDs each having a light emitting surface away from the top surface of the substrate, a first wavelength of light emitted from the first LED being shorter than a second wavelength of light emitted from the second LED; and a lens arranged over the light emitting surfaces of the first and second LEDs, the lens comprising a convergent part just located above the second LED and a divergent part just located above the first LED. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9)
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10. An LED device, comprising:
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a substrate having a top surface; a plurality of first LEDs and a second LED arranged on the top surface of the substrate, the first and second LEDs each having a light emitting surface away from the top surface of the substrate, light emitted from the first LED having a first wavelength which is in a range from 450 to 550 nm, and light emitted from the second LED having a second wavelength which is greater than 570 nm; a lens arranged over the light emitting surfaces of the first LEDs and the second LED, the lens comprising a convergent part located right above the second LED and a plurality of divergent parts each located right above a corresponding first LED. - View Dependent Claims (11, 12, 13, 14, 15, 16, 17)
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Specification