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7357991 |
Soluble compound and organic electroluminescent devices
A novel soluble compound which is a distyrylarylene derivative having a soluble substituent and a specific central group and having a solubility of 0.5% by weight or greater at 20° C. in an...
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7303827 |
Light-emitting phosphor particles and electroluminescent devices employing same
Phosphor particles having coatings comprising certain light emitting small molecules and light-emitting devices employing these phosphor particles and light-emitting small molecules are provided....
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7285315 |
Closure in synthetic material for containers
The present invention relates to a closure which is made of synthetic material with characteristics similar to or even better than those of cork and which can therefore be used in all applications...
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7270772 |
Benzopyran colorants, method of manufacture, and method of use
A compound of Formula (I)
wherein X is hydrogen or a radical of Formula (II), R 1 independently at each occurrence is a C 1 –C 20 aliphatic radical, a C 3 –C 10 cycloaliphatic radical,...
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7258932 |
Polymeric fluorescent substrate and polymer light-emitting device using the same
A polymeric fluorescent substance exhibiting visible fluorescence in the solid state, having polystyrene reduced number average molecular weight of 1×10 3 to 1×10 8 , and comprising one or more...
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7258815 |
Use of brighteners for the preparation of coating slips
The use of optical brighteners of the formula (II):
in which
Y denotes a radical of the formula
and the other substituents have the meaning stated in the description, for brightening...
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7255936 |
Polymeric fluorescent substance and polymer light-emitting device using the same
Provided is a polymeric fluorescent substance comprising a copolymer which has a substituent containing a specific aromatic amine structure below in the side chain,
wherein X 1 is a divalent...
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7250226 |
Phosphorescent compound, a phosphorescent composition and an organic light-emitting device
An organic polymeric phosphorescent compound and an organic light-emitting device employing the organic polymeric phosphorescent compound. The phosphorescent compound is a neutral organic polymeric...
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7238301 |
Cross-linked encapsulated phosphorescent molecules
There is provided herein cross-linked, phosphorescent micro- and nano-particles and applications of those particles. The invention uses halogen-containing polymers and co-polymers (HCPs) as an...
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7235194 |
Two-photon or higher-order absorbing optical materials for generation of reactive species
Disclosed are highly efficient multiphoton absorbing compounds and methods of their use. The compounds generally include a bridge of pi-conjugated bonds connecting electron donating groups or...
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7201976 |
Organic electroluminescence material and electroluminescence device using the same
An organic electroluminescence material of the present invention includes, in order to provide an durable organic EL device emitting light of high brightness, a compound shown by the general...
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7192657 |
Ethynyl containing electron transport dyes and compositions
Compounds, compositions, organic electronic devices, and methods for preparing organic electronic devices are described. The compounds of the invention contain at least two carbon-carbon triple...
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7192471 |
Aryl-ureido benzoxazinone compounds
Fluorescent pigment compounds comprising aryl-ureido benzoxazinone compounds of the general formula (I):
wherein R 1 is an substituted or unsubstituted aryl group, R 2 and R 3 are each...
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7157154 |
Polymer and polymeric luminescent element comprising the same
A polymer characterized by comprising repeating units represented by the following formula (1) and having a number-average molecular weight, in terms of polystyrene, of 10 3 to 10 8 .
(In the...
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7150839 |
Fluorescent agents
Composition comprising a fluorescent material comprising the mixture of one or more metal salts selected from the group consisting of metal oxides and metal hydroxides; one or more carbohydrate(s)...
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7144449 |
Print ink containing a plurality of fluorescent coloring materials and inkjet recording method
The present invention provides a fluorescence ink having a high fluorescence intensity, and an ink jet recording method using the same. The ink contains a first fluorescent coloring material that...
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7135242 |
Electroluminescent polymer, bisfluorenylsilane compound and organic electroluminescent element
An electroluminescent polymer which has repeating units represented by formula (1) is obtained by polymerizing a bisfluorenylsilane compound which has specified substituent groups.
In spite of...
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7135241 |
Light-emitting block copolymers composition, process and use
Generally, and in one form, the present invention is a composition of light-emitting block copolymer. In another form, the present invention is a process producing a light-emitting block copolymers...
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7129506 |
Optically detectable security feature
An optically detectable security marker for emitting light at a pre-selected wavelength. The marker comprises a rare earth dopant and a carrier incorporating the rare earth dopant. The interaction...
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7115430 |
Light emitting layers for LED devices based on high Tg polymer matrix compositions
A light emitting device includes: (a) a light emitting layer including an electroluminescent organic material dispersed in a matrix, wherein the matrix contains a non-electroluminescent organic...
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7108924 |
Polymer compound and electroluminescent element
There is provided a polymer compound in which a metal complex is bonded to a main chain of a polymer via a substituent for imparting a given distance therebetween. Specifically, a polymer compound...
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7108742 |
Ink compositions containing lanthanide complexes
The invention relates to an ink composition containing (a) a compound of formula (I), L m −Ln 3+ (Ch − ) n (I), wherein Ln represents a lanthanide, CH − is a negatively charged ligand...
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7097919 |
Polymeric fluorescent substance, process for producing the same, and organic electroluminescent element
A polymeric fluorescent substance has a prolonged service life and high luminescence brightness. The substance also has excellent thermal stability and good practicality. The polymeric fluorescent...
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7097917 |
Compounds for use in organic EL devices and organic EL devices
A compound for use in organic EL devices comprising
X n —Y
wherein X is a...
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7060372 |
Polymers having attached luminescent metal complexes and devices made with such polymers
The present invention is generally directed to a polymeric metal complex comprising a polymeric material having a plurality of a first-type functional groups, wherein at least a portion of the...
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7041235 |
Fluorescent diketopyrrolopyrrole analogues
The present invention relates to fluorescent diketopyrrolopyrrole analogues of the general formula (I), wherein A 1 and A 2 are C 1 –C 18 alkyl, C 2 –C 18 alkenyl, C 2 –C 18 alkynyl, C 5...
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7033680 |
Electroluminescent element
An electroluminescent device comprising electrodes consisting of a pair of an anode and a cathode, at least one of the electrodes being either transparent or translucent, and an organic layer...
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7008556 |
Process for preparing crosslinked polymer blends that include a luminescent polymer
A process comprising a) providing a polymer blend comprising a luminescent polymer and a second polymer, where at least one of the polymers is crosslinkable, and b) crosslinking the crosslinkable...
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7001678 |
Crosslinked polymer blends that include a luminescent polymer, and devices incorporating same
Crosslinked polymer blends that include a luminescent polymer. Also featured are devices incorporating these blends.
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6994921 |
Polymeric fluorescent substance and polymer light emitting device
A polymeric fluorescent substance exhibiting strong visible fluorescence in solid state. The substance has a polystyrene reduced number-average molecular weight of 1×10 3 to 1×10 8 , and...
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6965193 |
Red phosphors for use in high CRI fluorescent lamps
Novel red emitting phosphors for use in fluorescent lamps resulting in superior color rendering index values compared to conventional red phosphors. Also disclosed is a fluorescent lamp including a...
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6964993 |
Paper coating slip containing polyvinyl alcohol as a protective colloid
A paper coating slip contains a polymer dispersed with polyvinyl alcohol as protective colloid in water (abbreviated to PVA-dispersed polymer).
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6962758 |
Organic light-emitting device using iptycene derivatives
An organic light-emitting device (OLED) in which an iptycene derivative is used as the emissive layer and/or one or more of the charge transport layers, or as a host material for one or more of...
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6962757 |
Electroluminescence in light emitting polymers featuring deaggregated polymers
In general terms, the present invention includes a light emitting polymeric material the light emitting polymeric material capable of producing electroluminescence upon being provided with a flow...
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6949205 |
Fluorescent composition for marking non-porous objects
A composition for a fluorescent marking paste or paint that is non-toxic, water soluble, clear drying and safe for nonporous surfaces is disclosed. The invention is composed of a generic white...
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6942931 |
White electroluminescent polymer and organic electroluminescent device using the same
A white electroluminescent polymer having a 3,3′-bicarbazyl group incorporated into a polymeric main chain of polyarylene, represented by the Formula 1:
in which Ar is an aromatic group...
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6936355 |
Organic photoluminescent polymers with improved stability
A luminescent polymer, suitable for use in an active layer of an organic light-emitting device, organic solid state lasers, a photovoltaic cell or an electrochromic display and exhibiting good...
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6926973 |
Copolymer, polymer composition and polymer light-emitting device
A copolymer has a polystyrene reduced number average molecular weight of 10 3 -10 8 , and includes repeating units represented by formulas (1), (2), and (3),
—Ar 1 — (3)
The copolymer...
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6885038 |
Light-emitting polymers and polymer light-emitting diodes
Disclosed are compounds according to formula (I),
wherein R′ and R″ are selected from the group consisting of R′=SiR 1 R 2 R 3 and R″=H; R′=SiR 1 R 2 R 3 and R″=SiR 4 R 5 R 6 ;...
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6878312 |
Composition, film manufacturing method, as well as functional device and manufacturing method therefore
A composition, which can be used in an ink jet printing method, can use either a non-polar or a weakly polar material as a functional material, prevents clogging at dispensing time, achieves stable...
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6869695 |
White light emitting OLEDs from combined monomer and aggregate emission
The present invention relates to efficient organic light emitting devices (OLEDs). More specifically, the present invention relates to white-emitting OLEDs, or WOLEDs. The devices of the present...
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6866795 |
Ultraviolet-absorbing film containing a fluorescent brightening agent
An ultraviolet-absorbing film comprising a fluorescent brightening agent and having a transmission of the rays of 410 nm or less of 90% or less, wherein the fluorescent brightening agent is...
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6864329 |
Hybrid organic-inorganic light emitting polymers
Provided herein is an inorganic-organic hybrid conjugated polymer having opto-electronic function and a process to make the same. The disclosed polymer contains inorganic or organic bulky groups in...
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6861012 |
Latent inkjet formulation and method
A latent or “invisible ink” security marking formulation is provided using a phosphor with distinct emissions characteristics including visible emission due to excitation at a particular...
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6852429 |
Organic electroluminescent device based on pyrene derivatives
A pyrene based compound and its use in an organic light emitting device (OLED) according to the following formula:
In the above formula, Z 1 represents a hydrogen atom, deuterium atom, oxygen...
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6849347 |
Light-emitting element using the polymer and process for producing the same
A light-emitting element comprising a polymer represented by the formula (1) or formula (2):
-(EUG) k -(PMG) m -(NRG) n - ( 1...
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6846580 |
Organic luminous material and organic light-emitting device
An organic EL device employing polymer material includes a structure in which a luminous layer formed of a polymer indicated by
is put between a lower electrode and an upper electrode. Where,...
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6846350 |
Red luminous ink composition
Disclosed is a red luminous ink composition comprising a europium complex represented by the formula:
wherein R 1 is a hydrogen atom or a substituent selected from the group consisting of an...
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6843937 |
Composition for an organic EL element and method of manufacturing the organic EL element
A composition for an organic EL element which can form a high precision pattern in a simple manner and in a short time and a method of manufacturing the organic EL element are disclosed. By using...
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6838019 |
Phosphorescent material and electroluminescent device using thereof
A phosphorescent light emitting material, the material is a complex compound comprises a beta-diketonate ligand, a sulfoxide ligand and a triple charge rare earth group metal ion, the...
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