LED display with wavelength conversion layer
First Claim
Patent Images
1. A display panel comprising:
- a display substrate including an array of pixels;
a first pixel of the array of pixels that includes a first subpixel designed for a first color emission spectrum, and a second subpixel designed for a second color emission spectrum different from the first color emission spectrum;
a first vertical light emitting diode (LED) mounted on a first bottom electrode within the first subpixel;
a second vertical LED mounted on a second bottom electrode within the second subpixel;
a sidewall passivation material that laterally surrounds the first and second vertical LEDs;
a top electrode layer that spans over the sidewall passivation layer material and the first and second vertical LEDs, and is in electrical contact with the first and second vertical LEDs;
a first wavelength conversion layer comprising phosphor particles over the top electrode layer and the first vertical LED, wherein the first wavelength conversion layer is not over the second vertical LED.
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Abstract
A display and method of manufacture are described. The display may include a substrate including an array of pixels with each pixel including multiple subpixels, and each subpixel within a pixel is designed for a different color emission spectrum. An array of micro LED device pairs are mounted within each subpixel to provide redundancy. An array of wavelength conversion layers comprising phosphor particles are formed over the array of micro LED device pairs for tunable color emission spectrum.
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Citations
18 Claims
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1. A display panel comprising:
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a display substrate including an array of pixels; a first pixel of the array of pixels that includes a first subpixel designed for a first color emission spectrum, and a second subpixel designed for a second color emission spectrum different from the first color emission spectrum; a first vertical light emitting diode (LED) mounted on a first bottom electrode within the first subpixel; a second vertical LED mounted on a second bottom electrode within the second subpixel; a sidewall passivation material that laterally surrounds the first and second vertical LEDs; a top electrode layer that spans over the sidewall passivation layer material and the first and second vertical LEDs, and is in electrical contact with the first and second vertical LEDs; a first wavelength conversion layer comprising phosphor particles over the top electrode layer and the first vertical LED, wherein the first wavelength conversion layer is not over the second vertical LED. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18)
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Specification