LIFETIME OLED DISPLAY
First Claim
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1. A device comprising:
- a first plurality of sub-pixel stripes, each stripe comprising a first emissive layer having a first peak emission wavelength; and
a second plurality of sub-pixel stripes, each stripe comprising;
a second emissive layer having a second peak emission wavelength different from the first peak emission wavelength; and
a third emissive layer having a third peak emission wavelength different from the first peak emission wavelength, the third emissive layer being disposed over the second emissive layer;
wherein the number of emissive layers in the first sub-pixel stripe is different than the number of emissive layers in the second sub-pixel stripe.
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Abstract
Light emitting devices including sub-pixels having different numbers of emissive layers are provided. At least one sub-pixel of a first color may include a single emissive layer, and at least one sub-pixel of a second color may include multiple emissive layers disposed in a vertical stack. Light emitting devices in which different voltages are applied to each sub-pixel or group of sub-pixels are also provided. In some configurations, the voltage to be applied to a sub-pixel may be selected based upon the number of emissive layers in the sub-pixel.
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Citations
19 Claims
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1. A device comprising:
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a first plurality of sub-pixel stripes, each stripe comprising a first emissive layer having a first peak emission wavelength; and a second plurality of sub-pixel stripes, each stripe comprising; a second emissive layer having a second peak emission wavelength different from the first peak emission wavelength; and a third emissive layer having a third peak emission wavelength different from the first peak emission wavelength, the third emissive layer being disposed over the second emissive layer; wherein the number of emissive layers in the first sub-pixel stripe is different than the number of emissive layers in the second sub-pixel stripe. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10)
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11. A light-emitting device comprising:
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a first plurality of sub-pixels; a second plurality of sub-pixels distinct from the first plurality of sub-pixels; a first power source providing a first voltage to each of the first plurality of sub-pixels; and a second power source providing a second voltage, different from the first voltage, to each of the second plurality of sub-pixels. - View Dependent Claims (12, 13, 14, 15, 16, 17, 18, 19)
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Specification