Oled device having improved light output
First Claim
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1. An OLED device, comprising:
- a) a substrate;
b) an OLED having a first electrode formed over the substrate, a layer of organic light emitting material formed over the first electrode, and a second electrode formed over the layer of organic light emitting material to define a light emitting area, wherein the light emitted by the OLED experiences undesirable waveguiding in the device; and
c) a topographical feature located within the light emitting area for disrupting the waveguiding, whereby the light emitting efficiency of the light emitting area is improved.
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Abstract
An OLED device includes a substrate; an OLED having a first electrode formed over the substrate, a layer of organic light emitting material formed over the first electrode, and a second electrode formed over the layer of organic light emitting material to define a light emitting area, wherein the light emitted by the OLED experiences undesirable waveguiding in the device; and a topographical feature located within the light emitting area for disrupting the waveguiding, whereby the light emitting efficiency of the light emitting area is improved.
71 Citations
19 Claims
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1. An OLED device, comprising:
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a) a substrate;
b) an OLED having a first electrode formed over the substrate, a layer of organic light emitting material formed over the first electrode, and a second electrode formed over the layer of organic light emitting material to define a light emitting area, wherein the light emitted by the OLED experiences undesirable waveguiding in the device; and
c) a topographical feature located within the light emitting area for disrupting the waveguiding, whereby the light emitting efficiency of the light emitting area is improved. - 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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Specification