Light emitting diodes (LEDs) with stacked multi-color pixels for displays
First Claim
Patent Images
1. A device comprising:
- a substrate having a device well; and
a color stacked light emitting diode (LED) pixel disposed on the substrate, the color stacked LED pixel including an LED pixel structure body, a base LED disposed over at least a portion of the LED pixel structure body, an intermediate LED disposed over the base LED, and a top LED disposed over the intermediate LED,wherein the LED pixel structure body serves as a cathode terminal for the base LED, and the LED pixel structure body is a fin body or a nanowire body.
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Accused Products
Abstract
A color stacked light emitting diode (LED) pixel is disclosed. The color stacked LED includes an LED pixel structure body, a base LED disposed on at least a portion of the LED pixel structure body, an intermediate LED disposed on the base LED, and a top LED disposed on the intermediate LED. The stacked LED may be an overlapping or a non-overlapping LED pixel. The LED pixel structure body may be a fin body or a nanowire body.
22 Citations
16 Claims
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1. A device comprising:
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a substrate having a device well; and a color stacked light emitting diode (LED) pixel disposed on the substrate, the color stacked LED pixel including an LED pixel structure body, a base LED disposed over at least a portion of the LED pixel structure body, an intermediate LED disposed over the base LED, and a top LED disposed over the intermediate LED, wherein the LED pixel structure body serves as a cathode terminal for the base LED, and the LED pixel structure body is a fin body or a nanowire body. - View Dependent Claims (2, 3, 4, 5, 6)
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7. A device comprising:
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a substrate having a device well; a color stacked light emitting diode (LED) pixel disposed on the substrate, the color stacked LED pixel including an LED pixel structure body, a base LED disposed over at least a portion of the LED pixel structure body, an intermediate LED disposed over the base LED, and a top LED disposed over the intermediate LED, wherein the base LED has a cathode terminal coupled to the device well and an anode terminal coupled to a first metal level, the intermediate LED has a cathode terminal coupled to a second metal level and an anode terminal coupled to the first metal level, and the top LED has a cathode terminal coupled to the second metal level and an anode terminal coupled to a third metal level. - View Dependent Claims (8)
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9. A method of forming a device, comprising:
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providing a substrate having a device well; and forming a color stacked light emitting diode (LED) pixel disposed on the substrate, the color stacked LED pixel comprises an LED pixel structure body, a base LED disposed over at least a portion of the LED pixel structure body, an intermediate LED disposed over the base LED, and a top LED disposed over the intermediate LED, wherein the LED pixel structure body serves as a cathode terminal for the base LED, and the LED pixel structure body is a fin body or a nanowire body. - View Dependent Claims (10, 11, 12, 13, 14)
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15. A method of forming a device, comprising:
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providing a substrate having a device well; and forming a color stacked light emitting diode (LED) pixel disposed on the substrate, the color stacked LED pixel comprises an LED pixel structure body, a base LED disposed over at least a portion of the LED pixel structure body, an intermediate LED disposed over the base LED, and a top LED disposed over the intermediate LED, wherein the base LED has a cathode terminal coupled to the device well and an anode terminal coupled to a first metal level, the intermediate LED has a cathode terminal coupled to a second metal level and an anode terminal coupled to the first metal level, and the top LED has a cathode terminal coupled to the second metal level and an anode terminal coupled to a third metal level. - View Dependent Claims (16)
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Specification