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| Number | Title | Issue Date |
| 8147714 | Fluorescent organic nanoparticles and a process for producing fluorescent organic nanoparticles Fluorescent organic nanoparticles and a process for producing fluorescent organic nanoparticles having a size of less than about 500 nanometers comprising a polymeric matrix comprising one or more crosslinked polymer resins, and comprising one or more fluorescent dy... | 04/03/2012 |
| 8052892 | 2,5-linked polyfluorenes for optoelectronic devices Polyfluorene polymers and copolymers having substantial amounts (10-100%) of fluorenes coupled at the 2 and 5 positions of fluorene are useful as active layers in OLED devices where triplet energies >2.10 eV are required. ... | 11/08/2011 |
| 7968004 | 2,5-linked polyfluorenes for optoelectronic devices Polyfluorene polymers and copolymers having substantial amounts (10-100%) of fluorenes coupled at the 2 and 5 positions of fluorene are useful as active layers in OLED devices where triplet energies >2.10 eV are required. ... | 06/28/2011 |
| 7943062 | Emissive polymers and devices incorporating these polymers The present invention relates to a class of luminescent and conductive polymer compositions having chromophores, and particularly solid films of these compositions exhibiting increased luminescent lifetimes, quantum yields and amplified emissions. These desirable pr... | 05/17/2011 |
| 7736534 | Phosphorescent compositions and organic light emitting devices containing them Compositions of a mixture of (A) a polymerizable compound, which undergoes polymerization on exposure to heat or to actinic radiation, having the general formula wherein Q is an organic charge trans... | 06/15/2010 |
| 7731866 | 2,5-linked polyfluorenes for optoelectronic devices Polyfluorene polymers and copolymers having substantial amounts (10-100%) of fluorenes coupled at the 2 and 5 positions of fluorene are useful as active layers in OLED devices where triplet energies >2.10 eV are required. ... | 06/08/2010 |
| 7718087 | Organic iridium compositions and their use in electronic devices The present invention provides compositions comprising at least one novel polymeric organic iridium compound which comprises at least one cyclometallated ligand and at least one ketopyrrole ligand. The polymeric organic iridium compositions of the present invention ... | 05/18/2010 |
| 7695640 | Organic iridium compositions and their use in electronic devices The present invention provides novel polymer compositions comprising a polymeric component and a novel organic iridium compound comprising at least one cyclometallated ligand and at least one ketopyrrole ligand. The organic iridium compounds used in the polymer comp... | 04/13/2010 |
| 7662309 | Emissive polymers and devices incorporating these polymers The present invention relates to a class of luminescent and conductive polymer compositions having chromophores, and particularly solid films of these compositions exhibiting increased luminescent lifetimes, quantum yields and amplified emissions. These desirable pr... | 02/16/2010 |
| 7625501 | Color-converting photoluminescent film An improved color-converting photoluminescent film that provides visible light emission in the red to green portion of the visible spectrum when excited by blue light. The color-converted photoluminescent film of the invention is patternable and has improved luminou... | 12/01/2009 |
| 7497972 | Plastic molded body containing a fluorescent dye The invention relates to a moulding composed of a plastics matrix composed of a transparent plastic, comprising a soluble fluorescent dye and a scattering agent whose refractive-index difference from the plastics matrix is +/− from 0.003 to 0.2, characterized in t... | 03/03/2009 |
| 7462298 | Water dispersible polyanilines made with polymeric acid colloids for electronics applications Compositions are provided comprising aqueous dispersions of polyaniline and colloid-forming polymeric acids. Films from invention compositions are useful as buffer layers, in organic electronic devices including electroluminescent devices, such as organic light emit... | 12/09/2008 |
| 7429291 | 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 emits fluorescence at a predetermined fluorescence wavelength to be us... | 09/30/2008 |
| 7416791 | Osmium complexes and related organic light-emitting devices Osmium complexes having the formula [Os(II) (N—N)2L—L]2+ 2A− (or A2−), or [Os(II) N—N(L—L)2]2+ 2A− (or A2−), where N—N is a bipyridine or phenanthroline ligand,... | 08/26/2008 |
| 7396598 | Light emitting material and organic light-emitting device A polymer light emitting material, wherein the material has a light emitting mechanism based on transition from an excited triplet state to a ground state or transition through an excited triplet state to a ground state of an electron energy level, and the material ... | 07/08/2008 |
| 7371336 | Water dispersible polyanilines made with polymeric acid colloids for electronics applications Compositions are provided including aqueous dispersions of at least one polyaniline and at least one colloid-forming polymeric. New compositions are useful in electronically conductive and semi-conductive layers in electronic devices and other applications. Also pro... | 05/13/2008 |
| 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 organic solvent; and an organic electroluminescence device having an organi... | 04/15/2008 |
| 7309881 | Wavelength-converting LED A wavelength-converting LED can include a light-emitting section in which an exciting element emits a blue or ultraviolet light. A fluorescent material that has a mean particle diameter D50 ranging from 5 μm to 20 μm and that can convert at least part o... | 12/18/2007 |
| 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. Also provided are light-emitting devices employing a layer of phosphor... | 12/04/2007 |
| 7291288 | Artificial stone and formation therefor To provide a further improvement of luminescence performance such as an extension of a continuation time of a light accumulation luminescence or a luminescence by ultraviolet rays, by a control of the structure of the artificial stone. A noctilucent/luminescent arti... | 11/06/2007 |
| 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 in which a cork closure is normally used. In particular, the closure ... | 10/23/2007 |
| 7281861 | Methods and apparatus for optical component identification Methods, apparatuses, and systems for obtaining identification information about fiber optic components and optical assemblies in a non-invasive manner. The present invention includes optical subassemblies (“OSAs”), and optical assemblies incorporating the OSAs ... | 10/16/2007 |
| 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), R1 independently at each occurrence is a C1–C20 aliphatic radical, a C3–C10 | 09/18/2007 |
| 7264880 | Fluorescent articles having multiple film layers Articles are provided which have fluorescent properties and which are suitable for use in making retroreflective articles such as safety and informational signage. The articles have at least two film layers, each film layer including a colorant dye. The multiple fil... | 09/04/2007 |
| 7262551 | Electroluminescent device with improved light output The invention relates to an electroluminescent device comprising a substrate (1) and a laminated body composed of a first electrode (3), an electroluminescent layer (4) and a second electrode (5). The light output out of the electrolumine... | 08/28/2007 |
| 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 1×103 to 1×108, and comprising one or more repeating units of following formula (1), | 08/21/2007 |
| 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 m... | 08/21/2007 |
| 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 X1 is a divalent hydrocarbon... | 08/14/2007 |
| 7252786 | Long lasting thermoformable phosphorescent acrylic resin for casting, molding, coatings, and adhesives Thermoformable, Long Lasting Phosphorescent Acrylic Resin for Castings, Adhesives, Moldings, Coatings and Liquid Inlays are manufactured from thermosetting acrylic syrup, promoters, additives, fillers and phosphorescent pigments and are used to manufacture thermofor... | 08/07/2007 |
| 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 phosphorescent compound emitting phosphorescence and used in an orga... | 07/31/2007 |
| 7241512 | Electroluminescent materials and methods of manufacture and use Light emitting polymers can include a plurality of arylene monomeric units and a plurality of soft segment units independently selected from soft segment end caps; soft segment side chains coupled to a portion, but not all, of the arylene monomeric units; internal s... | 07/10/2007 |
| 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 encapsulation matrix for organic and organometallic phosphorescent compou... | 07/03/2007 |
| 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 electron accepting groups. The bridge may be substituted with a variety of... | 06/26/2007 |
| 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 formula (A-I) or (B-I) (as explained in the specification) wherein, A1... | 04/10/2007 |
| 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 bonds and a heteroaromatic ring having at least one —C═N— unit. Th... | 03/20/2007 |
| 7192471 | Aryl-ureido benzoxazinone compounds Fluorescent pigment compounds comprising aryl-ureido benzoxazinone compounds of the general formula (I): wherein R1 is an substituted or unsubstituted aryl group, R2 and R3 are ea... | 03/20/2007 |
| 7169874 | High refractive index polymeric siloxysilane compositions Optically transparent, relatively high refractive index polymeric compositions and ophthalmic devices such as intraocular lenses, contact lenses and corneal inlays made therefrom are described herein. The preferred polymeric compositions are produced through the pol... | 01/30/2007 |
| 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 103 to 108. (In the f... | 01/02/2007 |
| 7157029 | Method for producing molding compound resin tablet for wavelength conversion, and method for manufacturing white light emitting diode by using the production method Disclosed herein is a method for producing a molding compound resin tablet for wavelength conversion. The method comprises the steps of wet-dispersing a phosphor powder in a translucent liquid resin to form a molding compound resin body in which the phosphor powder ... | 01/02/2007 |
| 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) selected from the group consisting of sugar and starch; and one or mo... | 12/19/2006 |