Reduced reflectance display devices containing a thin-layer metal-organic mixed layer (MOML)
First Claim
Patent Images
1. A display device comprising:
- an anode;
a cathode;
a luminescent region disposed between said anode and said cathode;
the luminescent region optionally comprising an organic electroluminescent material; and
a light-reflection-reduction metal-organic mixed layer (MOML) comprising i) a metal containing material, and ii) an organic material, wherein said metal-organic mixed layer has a thickness of from about 5 nm to about 170 nm.
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Abstract
A display device comprising a thin metal-organic mixed layer (MOML) comprising a metal (containing material) and an organic material, and having a thickness of less than 175 nm. A thin metal-organic mixed layer may be of a single or multi-layer configuration. The percent reflectance of a device may be controlled by varying the thickness of the MOML(s) and the metal component and concentration thereof in the MOML(s).
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Citations
37 Claims
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1. A display device comprising:
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an anode;
a cathode;
a luminescent region disposed between said anode and said cathode;
the luminescent region optionally comprising an organic electroluminescent material; and
a light-reflection-reduction metal-organic mixed layer (MOML) comprising i) a metal containing material, and ii) an organic material, wherein said metal-organic mixed layer has a thickness of from about 5 nm to about 170 nm. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14)
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15. A display device comprising:
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a first electrode;
a second electrode;
a luminescent region disposed between said first and second electrodes;
the luminescent region optionally comprising an organic electroluminescent material; and
a light-reflection-reduction region comprising a plurality of metal-organic mixed layers, each metal-organic mixed layer comprising a metal and an organic material, wherein said light-reflection-reduction region has a thickness of from about 10 nm to about 175 nm. - View Dependent Claims (16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26)
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27. A display device comprising:
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(i) an anode;
(ii) a luminescent region disposed on said anode;
the luminescent region optionally comprising an organic electroluminescent material;
(iii) an optional layer comprising an electron injecting material disposed on said luminescent region;
(iv) a single-layer metal-organic mixed layer (MOML) disposed on one of (i) said optional electron injection material; and
(ii) said luminescent region; and
comprising a Ag containing material and an organic material, wherein said Ag containing material is present in an amount of from about 5 to about 30 percent by volume of the MOML, and said MOML has a thickness of one of i) from about 10 nm to about 60 nm, and ii) from about 100 nm to about 160 nm; and
,(v) a cathode. - View Dependent Claims (28, 29, 30, 31, 32, 33, 34, 35, 36, 37)
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Specification
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Current AssigneeLG Display Co., Ltd.
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Original AssigneeXerox Corporation (Xerox Holdings Corp.)
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InventorsAziz, Hany, Coggan, Jennifer A., Stefanovic, Nemanja, Popovic, Zoran D.
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Granted Patent
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Time in Patent OfficeDays
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Field of Search
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US Class Current313/503
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CPC Class CodesH10K 2102/351 ThicknessH10K 50/14 Carrier transporting layersH10K 50/17 Carrier injection layersH10K 50/171 Electron injection layersH10K 50/826 Multilayers, e.g. opaque mu...H10K 50/865 comprising light absorbing ...H10K 59/80523 Multilayers, e.g. opaque mu...H10K 59/8792 comprising light absorbing ...
