Organic Electroluminescence

Organic Electroluminescence-related patent applications - as published by the U.S. Patent and Trademark Office (USPTO).

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NEW Organic electroluminescence device
May 25, 2017 - N°20170149007

Δst(h)=egs(h)−eg77k(h)<0. 3 (ev)  (2)
NEW Ink composition, organic electroluminescence element, and electronic apparatus
May 25, 2017 - N°20170148993

The component (c) is a solvent represented by the following formula (c1) and having a boiling point of 110° c. Or higher and a solubility of 1 wt % or less in water.
Organic electroluminescence device
Japan Display Inc.
May 18, 2017 - N°20170141340

In an organic el device, the light emission efficiency by a tadf mechanism is to be improved with an emissive layer structure that can be easily formed. An oled has at least an emissive layer between an upper electrode and a lower electrode. The emissive layer includes: a host layer including a host material; an assistant dopant layer which is ...
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Manufacturing method of display device and display device
Japan Display Inc.
May 11, 2017 - N°20170133594

A manufacturing method of a display device includes: forming, in a resin layer including a display area where a plurality of lower electrodes is formed and a peripheral area surrounding the display area, a band-like groove which divides the resin layer in a form of surrounding the display area; forming an organic electroluminescence layer including a light emitting layer, on ...
Organic electroluminescence display device
Japan Display Inc.
May 04, 2017 - N°20170125727

An organic electroluminescence display device includes: a lower electrode that is made of a conductive inorganic material and formed in each of pixels arranged in a matrix in a display area a light-emitting organic layer that is in contact with the lower electrode and made of a plurality of different organic material layers including a light emitting layer emitting light; ...
Multi-component host material and an organic electroluminescence device comprising the same
Rohm And Haas Electronic Materials Korea Ltd.
May 04, 2017 - N°20170125699

The present invention relates to a multi-component host material and an organic electroluminescent device comprising the same. By comprising a specific combination of the multi-component host compounds, the organic electroluminescent device according to the present invention can provide high luminous efficiency and excellent lifespan characteristics.
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Organic Electroluminescence Patent Applications
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Novel spiro organic compound
Nanjing Topto Materials Co., Ltd.
May 04, 2017 - N°20170125684

The present invention provides a spiro compound of general formula 1, and use thereof in the fields of electronic materials, fine chemistry, and medical science. Further, the present invention also provides an organic electroluminescence device fabricated by using the spiro compound of general formula 1. When used in an organic electroluminescence device, the compound of general formula 1 provided in the present invention ...
Novel organic compound, material comprising the same for organic electroluminescence devices, and organic electroluminescence device ...
Nanjing Topto Materials Co., Ltd.
May 04, 2017 - N°20170125678

The present invention provides a novel organic compound, a material comprising the same for organic electroluminescence devices, and an organic electroluminescence device comprising the material. The organic compound provided in the present invention is useful in organic electroluminescence devices as a hole injection layer material, a hole transport layer material, an electron blocking layer material, and an emission layer material ...
Novel organic compound, material comprising the same for organic electroluminescence devices, and organic electroluminescence device ...
Nanjing Topto Materials Co., Ltd.
May 04, 2017 - N°20170125677

The present invention provides a novel organic compound of general formula 1, a material comprising the same for organic electroluminescence devices, and an organic electroluminescence device comprising the material. The organic compound of the present invention is useful in organic electroluminescence devices as a hole injection layer substance, a hole transport layer substance, an electron blocking layer substance, and an emission ...
Organic electroluminescence element
Idemitsu Kosan Co., Ltd.
April 06, 2017 - N°20170098785

An organic electroluminescence element comprising: an anode layer, a cathode layer, and an organic luminescence layer therebetween, the organic luminescence layer having a carbazole derivative with a glass-transition temperature of 110° c. Or higher, and a phosphorescent dopant. This structure makes it possible to provide an organic electroluminescence element which can make use of the triplet exciton state of the ...
Multi-component host material and an organic electroluminescence device comprising the same
Rohm And Haas Electronic Materials Korea Ltd.
April 06, 2017 - N°20170098784

The present invention relates to a multi-component host material and an organic electroluminescent device comprising the same. By comprising a specific combination of the multi-component host compounds, the organic electroluminescent device according to the present invention can provide high luminous efficiency and excellent lifespan characteristics.
Material for organic electroluminescence device and organic electroluminescence device using the same
Idemitsu Kosan Co., Ltd.
March 30, 2017 - N°20170092877

Provided are an organic electroluminescence device, which shows high luminous efficiency, is free of any pixel defect, and has a long lifetime, and a material for an organic electroluminescence device for realizing the device. The material for an organic electroluminescence device is a compound having a π-conjugated heteroacene skeleton crosslinked with a carbon atom, nitrogen atom, oxygen atom, ...
Organic compound for organic electroluminescence device and using the same
Idemitsu Kosan Co., Ltd.
March 23, 2017 - N°20170084842

The present invention generally discloses an organic compound and organic electroluminescence (herein referred to as organic el) device using the organic compound. More specifically, the present invention relates to an organic el device employing the organic compound as fluorescent emitting layer which can display long lifetime, high efficiency and emitting fluorescent blue light and green light.
Organic Electroluminescence Patent Pack
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Organic Electroluminescence Patent Applications
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  • 140+ full patent PDF documents of Organic Electroluminescence-related inventions.
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Organic electroluminescence device and manufacturing method thereof
Pioneer Corporation
March 16, 2017 - N°20170077462

In an organic electroluminescence device (100), a hole transport layer (22) is formed of a cured resin obtained by a ring opening polymerization of a polymerizable compound (a) containing a ring opening polymerizable group in the presence of a polymerization initiator (b). In addition, both of a maximum peak height rp and a maximum valley depth rv in an upper surface of ...
Method for repairing bank, organic el display device, and method for manufacturing same
Joled Inc.
March 16, 2017 - N°20170077460

A bank repair method for repairing a defect portion of a bank in a process of manufacturing an organic electroluminescence (el) display device including a substrate, banks formed over the substrate, and light-emitting layers formed in concave spaces defined by the banks. The bank repair method includes: examining whether or not a bank having a defect portion is present; and ...
An electron transport material and an organic electroluminescence device comprising the same
Rohm And Haas Electronic Materials Korea Ltd.
March 16, 2017 - N°20170077415

The present invention relates to an organic electroluminescent device comprising an electron transport material which comprises a compound having a specific structure. The organic electroluminescent device comprising the electron transport material of the present invention provides low driving voltage, high luminous efficiency, excellent lifespan characteristics, and excellent color coordination to efficiently emit blue light.
Material for organic electroluminescence device and use thereof
Rohm And Haas Electronic Materials Korea Ltd.
March 16, 2017 - N°20170077410

Wherein b represents a fused ring hydrocarbon units with two to three rings, m represents an integer of 0 to 10, r1, g, rs, x and y are the same definition as described in the present invention.
Ink composition, organic electroluminescence element, and electronic apparatus
Rohm And Haas Electronic Materials Korea Ltd.
March 16, 2017 - N°20170073528

Where one or more of ar1 to ar4 are a heterocyclic group represented by a formula (b1′).
Organic electroluminescence module and smart device
Konica Minolta, Inc.
March 02, 2017 - N°20170063374

An object of the present invention is to provide an organic el module that achieves a reduction in size and thickness, that has a high touch-sensing accuracy, and that is applicable to smart devices, and a smart device equipped with the same. The organic el module of the present invention includes: an organic el panel having a connecting electrode; and ...
Composition, compound, material for organic electroluminescence element, ink composition, organic electroluminescence element, and electronic device
Idemitsu Kosan Co., Ltd.
March 02, 2017 - N°20170062733

A composition or a compound suitable for use in forming the layer of organic el device by a coating method, a material for organic electroluminescence devices including the composition or the compound, an ink composition including the composition or the compound, an organic electroluminescence device employing the composition or the compound, and an electronic device including the organic electroluminescence device ...
Organic electroluminescent element and electronic device
Idemitsu Kosan Co., Ltd.
March 02, 2017 - N°20170062731

An organic electroluminescence device includes: an anode; an emitting layer; and a cathode, the emitting layer containing a first material, a second material and a third material, the first material being a fluorescent material, the second material being a delayed fluorescent material, the third material having a singlet energy larger than a singlet energy of the second material.