White-emitting microcavity OLED device
First Claim
1. A white light emitting OLED apparatus comprising a microcavity OLED device and a light-integrating element, wherein the microcavity OLED device has a white light emitting organic EL element and the microcavity OLED device is configured to have angular-dependent narrow-band emission, and the light-integrating element integrates the angular-dependent narrow-band emission from different angles from the microcavity OLED device to form white light emission wherein the microcavity OLED device comprises:
- a) a substrate having a first surface and a second surface;
b) a metallic bottom electrode disposed over the first surface of the substrate;
c) a metallic top electrode spaced from the metallic bottom electrode;
d) a white light emitting organic EL element wherein the organic EL element comprises multiple light emitting layers disposed between the metallic top electrode and the metallic bottom electrode, wherein one of the metallic electrodes is semitransparent and the other one is substantially opaque and reflective; and
e) wherein the metallic electrodes form a microcavity structure that converts the white light emission into angular-dependent narrow-band light.
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Abstract
A white light emitting OLED apparatus includes a microcavity OLED device and a light-integrating element, wherein the microcavity OLED device has a white light emitting organic EL element and the microcavity OLED device is configured to have angular-dependent narrow-band emission, and the light-integrating element integrates the angular-dependent narrow-band emission from different angles from the microcavity OLED device to form white light emission.
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Citations
29 Claims
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1. A white light emitting OLED apparatus comprising a microcavity OLED device and a light-integrating element, wherein the microcavity OLED device has a white light emitting organic EL element and the microcavity OLED device is configured to have angular-dependent narrow-band emission, and the light-integrating element integrates the angular-dependent narrow-band emission from different angles from the microcavity OLED device to form white light emission wherein the microcavity OLED device comprises:
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a) a substrate having a first surface and a second surface; b) a metallic bottom electrode disposed over the first surface of the substrate; c) a metallic top electrode spaced from the metallic bottom electrode; d) a white light emitting organic EL element wherein the organic EL element comprises multiple light emitting layers disposed between the metallic top electrode and the metallic bottom electrode, wherein one of the metallic electrodes is semitransparent and the other one is substantially opaque and reflective; and e) wherein the metallic electrodes form a microcavity structure that converts the white light emission into angular-dependent narrow-band light. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27)
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28. A white light emitting OLED apparatus comprising a microcavity OLED device and a light-integrating element, wherein the light-integrating element comprises lens elements, and wherein the microcavity OLED device has a white light emitting organic EL element and the microcavity OLED device is configured to have angular-dependent narrow-band emission, and the light-integrating element integrates the angular-dependent narrow-band emission from different angles from the microcavity OLED device to form white light emission.
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29. A white light emitting OLED apparatus comprising a microcavity OLED device and a light-integrating element, wherein the microcavity OLED device has a white light emitting organic EL element and the microcavity OLED device is configured to have angular-dependent narrow-band emission, and the light-integrating element integrates the angular-dependent narrow-band emission from different angles from the microcavity OLED device to form white light emission wherein the microcavity OLED device comprises:
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a) a substrate having a first surface and a second surface; b) a metallic bottom electrode disposed over the first surface of the substrate; c) a metallic top electrode spaced from the metallic bottom electrode; d) a white light emitting organic EL element including a light-integrating element including a plastic layer having crystalline and amorphous regions having different refractive indexes disposed between the metallic top electrode and the metallic bottom electrode. wherein one of the metallic electrodes is semitransparent and the other one is substantially opaque and reflective; and e) wherein the metallic electrodes form a microcavity structure that converts the white light emission into angular-dependent narrow-band light.
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Specification