AC powered oled device
First Claim
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1. A light emitting device, comprising:
- a plurality of organic light emitting diode (OLED) modules electrically connected in series; and
an alternating current (AC) power source electrically connected to and providing an AC voltage to the plurality of OLED modules.
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Abstract
AC powered light emitting device comprises a plurality of organic light emitting diode (OLED) modules. The OLED modules are arranged into a series group where the individual OLED modules are electrically connected in series. The device is configured to be coupled to an AC power supply. A display is also provided. The display includes a plurality of OLED modules arranged to depict a shape selected from the group consisting of at least one letter, at least one number, at least one image, and a combination thereof.
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Citations
68 Claims
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1. A light emitting device, comprising:
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a plurality of organic light emitting diode (OLED) modules electrically connected in series; and
an alternating current (AC) power source electrically connected to and providing an AC voltage to the plurality of OLED modules.
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2. A light emitting device, comprising:
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a substrate; and
a plurality of organic light emitting diode (OLED) series groups provide on the substrate, each OLED series group comprising a plurality of OLED modules, the OLED modules of each OLED series group electrically connected in series, wherein the OLED modules are configured to emit light upon application of an AC voltage. - View Dependent Claims (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, 28, 29, 30, 31, 32, 33, 35, 39, 40, 41, 42, 43, 44, 45, 46, 47, 48, 49, 50, 51, 52, 53, 54)
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34. A method of operating a light emitting device, comprising:
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providing an AC square pulse waveform voltage to an at least one first conducting line and an at least one second conducting line, wherein the light emitting device comprises;
a plurality of organic light emitting diode modules electrically connected in series;
an alternating current power source electrically connected to the plurality of OLED modules;
a substrate;
a plurality of organic light emitting diode (OLED) series groups provided on the substrate, each OLED series group comprising a plurality of OLED modules, the OLED modules of each OLED series group electrically connected in series, the OLED modules being configured to emit light upon application of the AC square pulse waveform, the at least one first conducting line provided on the substrate, the at least one first conducting line electrically connected to a first end of each OLED series group; and
the at least one second conducting line provided on the substrate, the second conducting line electrically connected to a second end of each OLED series group opposite the first end.
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36. A method of operating a light emitting device, comprising:
- providing an AC square pulse waveform voltage to an at least one first conducting lines and an at least one second conducting lines;
wherein the light emitting device comprises;
a plurality of organic light emitting diode (OLED) modules electrically connected in series;
an alternating current (AC) power source electrically connected to the plurality of OLED modules;
a substrate;
a plurality of organic light emitting diode (OLED) series groups provided on the substrate, each OLED series group comprising a plurality of OLED modules, the OLED modules of each OLED series group electrically connected in series, the OLED modules being configured to emit light upon application of the AC square pulse waveform;
a plurality of circuit elements, each circuit element electrically connected in parallel with a respective one of the OLED modules, wherein each of the circuit elements is selected from the group consisting of a resistor, a diode, and a varistor;
the at least one first conducting line provided on the substrate, the at least one first conducting line electrically connected to a first end of each OLED series group; and
the at least one second conducting line provided on the substrate, the at least one second conducting line electrically connected to a second end of each OLED series group opposite the first end;
wherein each OLED module comprises a respective anode and cathode, the OLED modules of each OLED series group serially connected anode to cathode.
- providing an AC square pulse waveform voltage to an at least one first conducting lines and an at least one second conducting lines;
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37. A method of making a light emitting device comprising:
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providing a substrate;
forming a plurality of organic light emitting diode (OLED) series groups on the substrate, each OLED series group comprising a plurality of OLED modules, the OLED modules of each OLED series group electrically connected in series, wherein the OLED modules are configured to emit light upon application of an AC voltage.
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38. A method of making a light emitting device comprising:
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providing a substrate;
forming a first conducting material over the substrate;
forming a light emitting material over at least part of the first conducting material;
forming a second conducting material over at least part of the light emitting material; and
patterning the first conducting material, the light emitting material, and second conducting material to form a plurality of organic light emitting diode (OLED) modules, each OLED module having a first electrode formed from the patterned first conducting material, a light emitting layer formed from the light emitting material, and a second electrode formed from the patterned second conducting material, the first electrode and second electrodes of respective OLED modules being connected to electrically connect the OLED modules in series.
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55. A method of making a display comprising:
arranging a plurality of organic light emitting diode (OLED) modules to depict a shape selected from the group consisting of at least one letter, at least one number, at least one image, and combinations thereof. - View Dependent Claims (56, 57, 58, 59)
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60. A method of making a display comprising:
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providing a substrate; and
arranging a plurality of organic light emitting diode (OLED) modules to depict a shape selected from the group consisting of at least one letter, at least one number, at least one image, and combinations thereof.
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61. A method of making a light emitting device, wherein the light emitting device comprises a plurality of OLED modules, wherein the plurality of OLED modules further comprises at least first OLED module and a second OLED module, the method comprising;
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disposing a respective first electrode of each OLED module on a respective portion of a substrate;
wherein forming the first OLED module comprises;
disposing the first electrode of the first OLED module on a first portion of the substrate;
disposing a light emitting layer on a second portion of the substrate and a portion of the first electrode of the first OLED module, and disposing a second electrode over a third portion of the substrate, a portion of the light emitting layer, and a portion of the first electrode of the second OLED module;
wherein the second OLED module is disposed adjacent to the first OLED module. - View Dependent Claims (62, 63, 64)
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65. A method of making a light emitting device, wherein the light emitting device comprises a plurality of OLED modules, wherein the plurality of OLED modules further comprises at least a first OLED module and a second OLED module, the method comprising;
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disposing a respective first electrode of each OLED module on a respective portion of a substrate;
wherein forming the first OLED module comprises;
disposing the first electrode of the first OLED module on a first portion of the substrate;
disposing an interconnect on a portion of the first electrode of the first OLED module and a fourth portion of the substrate;
disposing a light emitting layer on a second portion of the substrate, a portion of the first electrode, and a portion of the interconnect, and disposing a second electrode over a third portion of the substrate, a portion of the light emitting layer, and a portion of the first electrode of the second OLED module;
wherein the second OLED module is disposed adjacent to the first OLED module. - View Dependent Claims (66, 67, 68)
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Specification