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Organic Electroluminescence patents

      

This page is updated frequently with new Organic Electroluminescence-related patent applications.




 Organic electroluminescence device and manufacturing method thereof patent thumbnailOrganic electroluminescence device and manufacturing method thereof
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 the hole transport layer (22) are less than or equal to 14 nm.
Pioneer Corporation


 Method for repairing bank, organic el display device, and  manufacturing same patent thumbnailMethod for repairing bank, organic el display device, and manufacturing same
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 when a bank having a defect portion is present, repairing the bank by applying a repair material containing a gas adsorbent to the defect portion and curing the repair material; and after curing the repair material, baking the repair material by irradiating the repair material with infrared laser light..
Joled Inc.


 An electron transport material and an organic electroluminescence device comprising the same patent thumbnailAn electron transport material and an organic electroluminescence device comprising the same
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..
Rohm And Haas Electronic Materials Korea Ltd.


 Material for organic electroluminescence device and use thereof patent thumbnailMaterial for organic electroluminescence device and use thereof
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 patent thumbnailInk composition, organic electroluminescence element, and electronic apparatus
Where one or more of ar1 to ar4 are a heterocyclic group represented by a formula (b1′).. .

 Organic electroluminescence module and smart device patent thumbnailOrganic electroluminescence module and smart device
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 an electrical connecting unit laminated on the organic el panel, wherein the electrical connecting unit has a flexible substrate and a capacitive sensing circuit provided on the flexible substrate and having a land, the electrical connecting unit is provided on a light-emitting surface side of the organic el panel, the electrical connecting unit has a light-permeable part and a bent part formed by making two or more cuts in at least one side of the light-permeable part, and the land constituting the sensing circuit and the connecting electrode of the organic el panel are electrically connected to each other at the bent part..
Konica Minolta, Inc.


 Composition, compound, material for organic electroluminescence element, ink composition, organic electroluminescence element, and electronic device patent thumbnailComposition, compound, material for organic electroluminescence element, ink composition, organic electroluminescence element, and electronic device
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 are provided. The compound includes a nitrogen-containing hetero aromatic hydrocarbon group which has a substituent with a specific structure.
Idemitsu Kosan Co., Ltd.


 Organic electroluminescent element and electronic device patent thumbnailOrganic electroluminescent element and electronic device
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.. .
Idemitsu Kosan Co., Ltd.


 Truxene derivative and organic electroluminescence device including the same patent thumbnailTruxene derivative and organic electroluminescence device including the same
A layer including the truxene derivative in the organic electroluminescent device may have a decreased number or concentration of convex-concavo () shapes, and performance limitations caused by non-uniformity in each layer of the organic electroluminescent device (for example, short circuiting or uneven light emission due to non-uniformity in an applied electric field) may be thereby prevented or reduced.. .

 Organic electroluminescence display device and  manufacturing organic electroluminescence display device patent thumbnailOrganic electroluminescence display device and manufacturing organic electroluminescence display device
The organic electroluminescence display device of an embodiment of the present invention includes a substrate, a plurality of pixels formed on the substrate, and a sealing film that covers the plurality of pixels. The sealing film includes a first barrier layer, a base layer covering the top surface of the first barrier layer, an inter layer locally formed on the top surface of the base layer, and a second barrier layer covering the top surface of the base layer and the top surface of the inter layer.
Japan Display Inc.


Organic electroluminescence display device and manufacturing organic electroluminescence display device

The organic electroluminescence display device of an embodiment of the present invention includes a substrate, a plurality of pixels formed on the substrate, and a sealing film that covers the plurality of pixels. The sealing film includes a first barrier layer, a base layer covering the top surface of the first barrier layer, an inter layer locally formed on the top surface of the base layer, and a second barrier layer covering the top surface of the base layer and the top surface of the inter layer.
Japan Display Inc.

Organic el element and organic el display panel

An organic electroluminescence (el) element including an anode, a light-emitting layer above the anode, a first functional layer on and in contact with the light-emitting layer, a second functional layer on and in contact with the first functional layer, and a cathode above the second functional layer. A lowest unoccupied molecular orbital (lumo) level of the first functional layer is lower than at least one of a lumo level of the second functional layer and a fermi level of a metal material included in the second functional layer..
Japan Display Inc.

Compound, material for organic electroluminescence element, ink composition, organic electroluminescence element, and electronic device

Provided are a compound that is represented by the following general formulae (1) and (2), and has a nitrogen-containing heteroaromatic group substituted with a substituent having a particular structure containing 11 or more benzene rings in one molecule, a material for an organic electroluminescence device containing the compound, an ink composition containing a solvent and the compound, an organic electroluminescence device containing the compound, and an electronic equipment having the organic electroluminescence device mounted thereon.. .
Idemitsu Kosan Co., Ltd.

Vehicular lamp

A vehicular lamp includes a plurality of organic electroluminescence elements; and a flexible printed circuit board to which the plurality of organic electroluminescence elements are connected, the flexible printed circuit board having lines through which each of the organic electroluminescence elements is supplied with electric power independently.. .
Koito Manufacturing Co., Ltd.

Organic el element

An organic electroluminescence (el) element including an anode, a cathode opposing the anode, a light-emitting layer between the anode and the cathode, a hole transport layer in contact with the light-emitting layer, between the light-emitting layer and the anode, and an electron transport layer in contact with the light-emitting layer, between the light-emitting layer and the cathode. A difference between a lowest unoccupied molecular orbital (lumo) level of an organic material included in the light-emitting layer and a lumo level of an organic material included in the electron transport layer is greater than a difference between a highest occupied molecular orbital (homo) level of an organic material included in the hole transport layer and a homo level of the organic material included in the light-emitting layer..
Japan Display Inc.

Compound, material for organic electroluminescent elements, organic electroluminescent element and electronic device

A high-performance organic electroluminescence device and an electronic equipment provided with the organic electroluminescence device are provided. Also, a compound for achieving the organic electroluminescence device and the electronic equipment is provided.
Idemitsu Kosan Co., Ltd.

Organic electroluminescence module and information device

An object of the invention is to provide an organic electroluminescence module having light-emitting units capable of keeping power consumption low and to provide an information device having such a module. The organic electroluminescence module of the invention includes a plurality of light-emitting units that are electrically connected to one another and each have a light-emitting region corresponding to a design to be displayed by light emission..
Konica Minolta, Inc.

Light extraction layered body, organic electroluminescence element, and manufacturing same

A light extraction layered body, characterized in being flexible enough to exhibit no cracking when a flex test is performed by inducing ten cycles of bending at a flex radius of 5 mm and a bend angle of 180° in a layered body in which a light extraction layer is provided on one main surface of a transparent substrate that measures 3 μm to 50 μm in thickness, and when subsequently a 500×500 μm surface region is observed in the light extraction layer using a light diffraction microscope.. .
Konica Minolta, Inc.

Organic electroluminescence device

An organic electroluminescence device 1 of the present invention includes a support substrate 2, an organic electroluminescence element 3 provided on the support substrate 2, a moisture absorbing layer 41 which is provided on the organic electroluminescence element 3 and which contains a boron compound, and a moisture barrier layer 51 which is provided on the moisture absorbing layer 41 and which contains a nitrogen compound. In this organic electroluminescence device, a moisture barrier layer and a moisture absorbing layer are hardly peeled off..
Nitto Denko Corporation

Organic el device

An organic electroluminescence (el) device whose organic el layer is less likely exposed to moisture. The organic el device includes an organic el layer; and a hygroscopic layer disposed with respect to at least one main surface of the organic el layer.
Panasonic Corporation

Organic electroluminescence element, display device, illumination device, and light-emitting composition

An organic electroluminescent element includes an organic layer including a compound having an electron donor moiety and an electron acceptor moiety in a single molecule. The compound satisfies the following expression: (Δeh+Δel)≧2.0 ev.
Konica Minolta, Inc.

Compounds for organic electroluminescence device

Wherein ar, x1 to x4, m, and r1 to r3 are the same definition as described in the present invention.. .

Compound, material for organic electroluminescence element, organic electroluminescence element, and electronic apparatus

In the formula (1), n is 1 or 2. Ar1 is represented by a formula (2) below.

Organic electroluminescence device with separating foil

The invention relates to oleds (1) having a substrate (2), a first electrode layer (3), a layer of organic electroluminescence material (4), a second electrode layer (5), a cover layer (6), moisture-absorbing means (9) and a separating foil (10) of resilient material. According to the invention, said foil (10) is positioned between the second electrode layer (5) and the moisture-absorbing means (9).
Koninklijke Philips N.v.

Ink composition, organic electroluminescence element, and electronic apparatus

Where one or more of ar1 to ar4 are a heterocyclic group represented by a formula (b1′).. .

Organic electroluminescence display device

An organic el display device includes: a display area and an inspection area. The display area includes a plurality of first electrodes each provided in the pixel, a light-emitting organic layer formed in the light-emitting areas and formed of a plurality of organic material layers including a light-emitting layer, and a second electrode formed to cover the display area.
Japan Display Inc.

Organic electroluminescence panel, manufacturing the same, organic electroluminescence module, and information device

An object of the present invention is to provide an organic el panel having a display pattern that allows low power consumption, high emission uniformity, and high emission luminance ratio and makes it possible to reduce the manufacturing process time and provide high productivity, a method for manufacturing the organic el panel, an organic el module, and an information device. The organic el panel of the present invention includes an organic el device including an organic el element having a pattern a including at least a light-emitting part and a non-light-emitting part; and at least one auxiliary member, wherein the organic el element has an emission luminance ratio of the light-emitting part to the non-light-emitting part of 5:1 to 50:1, and the at least one auxiliary member has a pattern b being geometrically similar to the pattern a and including a light-transmitting part and a light-blocking part..
Konica Minolta, Inc.

Organic electroluminescence module, smart device, and illumination device

An object of the present invention is to provide an organic el device that includes an electrode having a light-emitting function and a touch sensing function, an organic electroluminescent module that includes a specific controlling circuit and can contribute to reduction in sizes and thickness and simplified production steps of the device, and a smart device and an illumination device each including the organic electroluminescent module. The organic electroluminescent module of the present invention has a touch sensing function and includes a touch sensing circuit unit and a light-emitting device driving circuit unit including a light-emitting device driving circuit section for driving an organic electroluminescent panel.
Konica Minolta, Inc.

Organic electroluminescence module, smart device, and lighting device

An object of the present invention is to provide an organic el device that includes an electrode having a light-emitting function and a touch sensing function, an organic electroluminescent module that includes a specific controlling circuit and can contribute to reduction in sizes and thickness and simplified production steps of the device, and a smart device and an illumination device each including the organic electroluminescent module. The organic electroluminescent module of the present invention has a touch sensing function and includes a capacitive touch sensing circuit unit and a light-emitting device driving circuit unit including a light-emitting device driving circuit section for driving an organic electroluminescent panel.
Konica Minolta, Inc.

Pixel structure and manufacturing method thereof, array substrate, display device

A pixel structure and a manufacturing method thereof, an array substrate and a display device are disclosed, which relate to display technology and solve the problem of low light extraction rate of the existing array substrate. The pixel structure comprises a display area and a transparent area, and further comprises a pixel circuit which includes an organic electroluminescence device and at least one storage capacitor.
Boe Technology Group Co., Ltd.

Indenotriphenylene-based iridium complexes for organic electroluminescence device

Wherein a ring represents an imidazole, a pyridine, a quinoline and an isoquinoline, x1-x2 represents a bidentate ligand, and m, n and r1 to r4 are the same definition as described in the present invention.. .

Benzofuroindole derivative and organic electroluminescence device

According to the present invention, there are provided a benzofuroindole derivative represented by the following general formula (1); and an organic el device comprising a pair of electrodes and at least one organic layer sandwiched therebetween, wherein the above derivative is used as a constituent material for the at least one organic layer. The benzofuroindole derivative of the present invention is useful as a constituent material for a hole injection layer, a hole transport layer, an electron blocking layer or a luminous layer of an organic el device.
Hodogaya Chemical Co., Ltd.

Aromatic amine derivative and electroluminescence device using the same

Provided are a novel aromatic amine derivative having a specific structure and an organic electroluminescence device in which an organic thin layer comprising a single layer or plural layers including a light emitting layer is interposed between a cathode and an anode, wherein at leas one layer of the above organic thin layer contains the aromatic amine derivative described above in the form of a single component or a mixed component. Thus, the organic electroluminescence device is less liable to be crystallized in molecules, improved in a yield in producing the organic electroluminescence device and extended in a lifetime..
Idemitsu Kosan Co., Ltd.

Display apparatus

Provided is a display apparatus and a method of manufacture. The display apparatus includes a first substrate with a plurality of organic electroluminescence devices, a second substrate with a color filter, the second substrate facing the first substrate, and an adhesive layer disposed between the first substrate and the second substrate so as to cover the plurality of organic electroluminescence devices, the adhesive layer being made of a material selected from the group consisting of a phenol resin, a melanin resin, an unsaturated polyester resin, an epoxy resin, a silicon resin and a polyurethane resin..
Joled Inc.

Display apparatus

Provided is a display apparatus and a method of manufacture. The display apparatus includes a first substrate with a plurality of organic electroluminescence devices, a second substrate with a color filter, the second substrate facing the first substrate, and an adhesive layer disposed between the first substrate and the second substrate so as to cover the plurality of organic electroluminescence devices, the adhesive layer being made of a material selected from the group consisting of a phenol resin, a melanin resin, an unsaturated polyester resin, an epoxy resin, a silicon resin and a polyurethane resin..
Joled Inc.

Compound, material for organic electroluminescent elements, ink composition, organic electroluminescent element and electronic device

Provided are an organic electroluminescence device having improved performance and an electronic equipment containing the device, and also provided are a compound, a material for organic electroluminescence devices and an ink composition that enable the device and the equipment. The organic electroluminescence device contains a cathode, an anode, and one or more organic tin film layers containing a light emitting layer between the cathode and the anode, wherein at least one layer of the one or more organic thin film layers contains a compound represented by the formula (1) wherein cz1 is a group represented by the formula (cz-1), cz2 is a group represented by the formula (cz-2), a is a residue of a substituted or unsubstituted, nitrogen-containing aromatic hetero ring having 6 to 30 ring atoms, l1 and l2 each independently represent a substituted or unsubstituted arylene group having 6 to 60 ring carbon atoms, and n1 and n2 each are independently an integer of 0 to 4..
Idemitsu Kosan Co., Ltd.

Blue organic el element, organic el display panel, and manufacturing blue organic el element

An organic electroluminescence (el) element emitting blue light from a light emitting surface and including: a first electrode; an organic light-emitting layer disposed on the first electrode and/or closer to the light emitting surface than the first electrode; and a second electrode disposed on the organic light-emitting layer and/or closer to the light emitting surface than the organic light-emitting layer. In the organic el element emitting blue light, the organic light-emitting layer contains an organic light-emitting material emitting, through photoluminescence, blue light that has a cie y coordinate no greater than 0.13 such that a luminance drop due to film shape is suppressed to 10% or smaller..
Japan Display Inc.

Condensed fluoranthene compound, material for organic electroluminescent element using this compound, organic electroluminescent element using this material, and electronic device

A fused fluoranthene compound which includes an indeno[3,2-b]fluoranthene skeleton having a hetero atom is a novel compound, which is useful as a material for organic electroluminescence devices for use in an organic electroluminescence device and an electronic equipment.. .
Idemitsu Kosan Co., Ltd.

Organic electroluminescence element

Provided is an organic electroluminescent element including a film substrate having thereon: at least one gas barrier layer, a light scatter layer, at least one smooth layer, and a light-emitting unit containing an organic functional layer interposed between a pair of electrodes, laminated in this order, wherein the light scatter layer contains a binder and light scatter particles having an average particle size of 0.2 μm or more to less than 1 μm; and the smooth layer contains an oxide or a nitride of silicone or niobium as a main component.. .
Konica Minolta, Inc

Organic electroluminescence device and electronic apparatus

A organic electroluminescence device includes: a plurality of pixels each including an organic layer and a second electrode in this order on a first electrode having light reflectivity, and each configured to emit light of one wavelength out of two or more different wavelengths, the organic layer including an organic electroluminescence layer; and a black matrix layer provided on light emission side of the second electrode, and having first apertures for the respective pixels. The black matrix layer has inclined surfaces inside the respective first apertures, and inclination angles of the inclined surfaces are set, based on emission wavelengths of the pixels..
Sony Corporation

Novel solution processable red-emitting iridium (iii) complex and organic electroluminescence device including the same

The present invention relates to a novel solution processable red-emitting iridium (iii) complex. In the iridium (iii) complex, a quinoline-thiophene derivative is introduced as a main ligand and a picolinic acid derivative substituted with a halogen, a substituent having electron transporting properties or a substituent having hole transporting properties is introduced as an ancillary ligand at the para-position relative to the nitrogen atom of picolinic acid.
Pusan National University Industry-university Cooperation Foundation

Vapor deposition device, vapor deposition method, and organic electroluminescence element manufacturing method

The present invention relates to a vapor deposition device for forming a film on a substrate, including: a vapor deposition chamber; a vapor deposition unit including a vapor deposition mask provided with an opening for pattern formation; and a transport mechanism that is configured to transfer at least one of the substrate and the vapor deposition unit relative to the other in a first direction perpendicular to the normal direction of the vapor deposition mask and that is configured to cause the substrate to rest temporarily at a resting position relative to the vapor deposition unit. The substrate includes a vapor-deposition-target region, and the region does not overlap the opening of the vapor deposition mask when the substrate is at the resting position.
Sharp Kabushiki Kaisha

Oled display device, non-contact ic card and flexible display device

The present disclosure relates to the field of organic electroluminescence and provides an oled display device, a non-contact ic card and a flexible display device. The oled display device includes a substrate, an encapsulation structure arranged above the substrate, and an oled arranged between the substrate and the encapsulation structure.
Boe Technology Group Co., Ltd.

Organic electroluminescence device and electronic device

An organic electroluminescence device includes an anode, an emitting layer and a cathode, in which the emitting layer includes a first compound, a second compound and a third compound. The first compound is a delayed fluorescent compound.
Idemitsu Kosan Co., Ltd.

Organic electroluminescent materials and devices

Indolocarbazole materials with substitution attached at specific positions and methods to synthesize the same are disclosed. The materials are used as hosts for improving performance of organic electroluminescence devices..
Universal Display Corporation

Organic electroluminescence display device

The organic electroluminescence display device has a circuit board, an element layer which contains an organic electrode luminescence film and a positive electrode and a negative electrode sandwiching the organic electroluminescence film and which is formed on the circuit board, and a sealing film sealing the element layer. The sealing film contains an inorganic layer covering the element layer and an organic layer formed between a part of the element layer and a part of the inorganic layer.
Japan Display Inc.

Aromatic amine derivative and organic electroluminescent device using the same

Provided are: an aromatic amine derivative in which a terminal substituent such as a dibenzofuran ring or a dibenzothiophene ring is bonded to a nitrogen atom directly or through an arylene group or the like; an organic electroluminescence device including an organic thin film layer formed of one or more layers including a light emitting layer and interposed between a cathode and an anode in which a layer of the organic thin film layer contains the aromatic amine derivative by itself or as a component of a mixture, and the device has a long lifetime and high luminous efficiency; and an aromatic amine derivative for realizing the device.. .
Idemitsu Kosan Co., Ltd.

Novel compound and organic electroluminescence device obtained by using same

A compound represented by the following formula (1). In the formula (1), at least one of ar1 to ar4 is a group represented by the following formula (2).
Idemitsu Kosan Co., Ltd.

Organic electroluminescence display device

Provided is an organic electroluminescence display device. The organic electroluminescence display device includes a bank that is provided so as to surround a central portion of a pixel electrode, an organic electroluminescence layer that is provided on the pixel electrode, a common electrode that is formed so as to extend from the organic electroluminescence layer to the bank, a color filter layer that overlaps the organic electro luminescence layer, a black matrix layer that overlaps the bank, a spacer that is provided on the black matrix layer, and a wiring that is provided on the black matrix layer so as to be placed on the spacer.
Japan Display Inc.

Amine compound and organic electroluminescent element

An organic electroluminescence device having good emission efficiency is provided. The organic electroluminescence device includes an amine compound which includes a benzofluorene structure and an aryl group and/or a heteroaryl group, wherein the benzofluorene structure has a specific substituent at 9-position of the fluorene ring..
Idemitsu Kosan Co., Ltd.

Biscarbazole derivative and organic electroluminescent element using same

And an organic electroluminescence device in which a plurality of organic thin-film layers including a light emitting layer are disposed between a cathode and an anode, and at least one of the organic thin-film layers include the biscarbazole derivative. The organic electroluminescence device exhibits high emission efficiency and has a long lifetime.



Organic Electroluminescence topics:
  • Organic Electroluminescence
  • Carbon Atoms
  • Semiconductor
  • Semiconductor Material
  • Alkyl Group
  • Display Panel
  • Binding Energy
  • Lighting Apparatus
  • Amine Unit
  • Ion Source
  • Shadow Mask
  • Hydrocarbon
  • Polysilazane
  • Carbon Dioxide
  • Optical Storage


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    This listing is a sample listing of patent applications related to Organic Electroluminescence for is only meant as a recent sample of applications filed, not a comprehensive history. There may be associated servicemarks and trademarks related to these patents. Please check with patent attorney if you need further assistance or plan to use for business purposes. This patent data is also published to the public by the USPTO and available for free on their website. Note that there may be alternative spellings for Organic Electroluminescence with additional patents listed. Browse our RSS directory or Search for other possible listings.


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