Top emission AMOLED displays using two emissive layers
First Claim
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1. A full-color pixel arrangement for an OLED display comprising:
- a substrate; and
a plurality of pixels, each pixel comprising emissive regions of exactly two colors disposed laterally adjacent to one another over the substrate, each pixel of the plurality of pixels comprising;
a first sub-pixel configured to emit light of a first color, the first sub-pixel having a first optical path length; and
a second sub-pixel configured to emit light of a second color, the second sub-pixel having a second optical path length different than the first optical path length.
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Abstract
Full-color pixel arrangements for use in devices such as OLED displays are provided, in which multiple sub-pixels are configured to emit different colors of light, with each sub-pixel having a different optical path length than some or all of the other sub-pixels within the pixel.
100 Citations
20 Claims
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1. A full-color pixel arrangement for an OLED display comprising:
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a substrate; and a plurality of pixels, each pixel comprising emissive regions of exactly two colors disposed laterally adjacent to one another over the substrate, each pixel of the plurality of pixels comprising; a first sub-pixel configured to emit light of a first color, the first sub-pixel having a first optical path length; and a second sub-pixel configured to emit light of a second color, the second sub-pixel having a second optical path length different than the first optical path length. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19)
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20. A method of fabricating a full-color pixel in an emissive device, the method comprising:
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fabricating a transparent layer over a substrate, the transparent layer comprising a first region and a second region, at least one optical characteristic being different between the first and second regions; fabricating a first organic emissive stack comprising a first emissive region of a first color over the first region; and fabricating a second organic emissive stack comprising a second emissive region of a second color over the second region; wherein the pixel comprises emissive regions of not more than two colors.
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Specification