Active matrix organic light emitting device
First Claim
Patent Images
1. An active matrix organic light emitting device, comprising:
- a plurality of emission layers stacked on an insulating substrate;
one or more first electrodes formed between respective inner facing surfaces of two adjacent emission layers among the plurality of emission layers, the one or more first electrodes being electrically connected to both of the two adjacent emission layers; and
a plurality of second electrodes each formed on respective outer surfaces of the two adjacent emission layers;
wherein the plurality of second electrodes are connected to each other.
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Abstract
An active matrix organic light emitting device having a structure where a plurality of emission layers having each separate current path are stacked. In the active matrix organic light emitting device of the present invention, a plurality of emission layers are stacked on an insulating substrate. A thin film transistor is formed on the insulating substrate and is connected in common with a number of electrode layers to independently drive the plurality of emission layers.
17 Citations
28 Claims
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1. An active matrix organic light emitting device, comprising:
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a plurality of emission layers stacked on an insulating substrate; one or more first electrodes formed between respective inner facing surfaces of two adjacent emission layers among the plurality of emission layers, the one or more first electrodes being electrically connected to both of the two adjacent emission layers; and a plurality of second electrodes each formed on respective outer surfaces of the two adjacent emission layers; wherein the plurality of second electrodes are connected to each other. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8)
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9. An active matrix organic light emitting device comprising:
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a plurality of emission layers stacked on an insulating substrate; one or more first electrodes formed between respective facing surfaces of two adjacent emission layers among the plurality of emission layers; and a plurality of second electrodes formed on respective outer surfaces of the two adjacent emission layers; wherein each one of the plurality of emission layers has a separate current path and wherein the plurality of second electrodes are connected to each other, and wherein the one or more first electrodes are electrically connected to both of the two adjacent emission layers. - View Dependent Claims (10, 11, 12, 13, 14, 15)
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16. An active matrix organic light emitting device comprising:
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a plurality of emission layers stacked on an insulating substrate; one or more first electrodes formed between inner facing surfaces of two adjacent emission layers of the plurality of emission layers; a plurality of second electrodes formed on respective outer surfaces of the two adjacent emission layers; and a thin film transistor formed on the insulating substrate, wherein the thin film transistor is connected in common to the plurality of second electrodes to drive the plurality of emission layers independently, and wherein the one or more first electrodes are electrically connected to both of the two adjacent emission layers. - View Dependent Claims (17, 18, 19)
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20. An active matrix organic light emitting device comprising:
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a thin film transistor formed on an insulating substrate; a first insulating layer formed on the insulating substrate covering the thin film transistor, and having a first contact hole exposing a portion of the thin film transistor; a first electrode connected to the thin film transistor through the first contact hole; a second insulating layer having a first opening exposing a portion of the first electrode; a first emission layer formed on the first electrode within the first opening; a second electrode formed on an entire surface of the substrate and having an isolation pattern; a third insulating layer formed on the second insulating layer and having a second opening exposing a portion of the second electrode corresponding to the first opening, and a second contact hole exposing a portion of the first electrode corresponding to the isolation pattern; a second emission layer formed on the exposed portion of the second electrode; and a third electrode formed on the third insulating layer and connected to the first electrode through the second contact hole. - View Dependent Claims (21, 22, 23, 24)
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25. An active matrix organic light emitting device comprising:
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a plurality of emission layers stacked on an insulating substrate; one or more first electrodes formed between respective inner facing surfaces of two adjacent emission layers among the plurality of emission layers, the one or more first electrodes being electrically connected to both of the two adjacent emission layers; a plurality of second electrodes each formed on respective outer surfaces of the two adjacent emission layers; and an insulating layer formed between adjacent ones of the plurality of second electrodes; wherein the plurality of first electrodes are connected to each other and receive a first voltage, and the plurality of second electrodes are connected to each other and receive a second voltage, such that ones of the plurality of emission layers connected between the first electrode and the second electrode each have separate current paths. - View Dependent Claims (26, 27, 28)
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Specification