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Plural layers

Subclass of:

313 - Electric lamp and discharge devices

313483000 - WITH LUMINESCENT SOLID OR LIQUID MATERIAL

313498000 - Solid-state type

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Class / Patent application numberDescriptionNumber of patent applications / Date published
313509000 With dielectric layer 41
313507000 With photosensitive layer 6
Entries
DocumentTitleDate
20090195155Light-Emitting Device and Method for Manufacturing the Same - The present invention provides an organic light-emitting element where a lower electrode, an organic compound layer and an upper electrode are laminated on a substrate, wherein the upper electrode of the organic EL element is formed by a laminate of at least a conductive first inorganic film, a conductive organic film and a conductive second inorganic film, in order to suppress the occurrence of dark spot, so that the occurrence of pinholes in the upper electrode leading to dark spots is suppressed. Here, pinholes refer to holes in the upper electrode that penetrate upper electrode from the organic compound layer underneath to the atmosphere above.08-06-2009
20080258618DISPLAY PANEL - A display panel for an organic light emitting display including a plurality of anode electrodes and a cathode electrode that is supplied with a predetermined voltage and includes a first portion facing the anode electrodes and a second portion receiving the predetermined voltage and having a different cross section than the first portion. A plurality of light emitting members is arranged between the anode electrodes and the cathode electrode, and a conductive line transmits the predetermined voltage and contacts the second portion of the cathode electrode.10-23-2008
20130043786WAVELENGTH CONVERSION STRUCTURE, MANUFACTURING METHOD THEREOF, AND LIGHT-EMITTING DEVICE COMPRISING THE WAVELENGTH CONVERSION STRUCTURE - A wavelength conversion structure comprises a first phosphor layer and a second phosphor layer formed on the first phosphor layer, wherein the first phosphor layer comprises a plurality of first phosphor particles, and the second phosphor layer comprises a plurality of second phosphor particles. The average particle size of the second phosphor particles is not equal to that of the first phosphor particles.02-21-2013
20100133999MULTICOLOR PACKAGE - An opto-electronic device package structure for multicolor light is disclosed. The package structure comprises a transparent carrier, a circuit layer on the transparent carrier, an opto-electronic device emitting the light of the first wavelength and is electrically connecting with the circuit layer on the transparent carrier, a first wavelength conversion structure on the lateral side of the opto-electronic device, a reflective layer on the first wavelength conversion structure, and a transparent material for package on the reflective layer and on the opto-electronic device.06-03-2010
20100270918INORGANIC ELECTROLUMINESCENCE DEVICE - An inorganic field emission device includes a first electrode, a second electrode spaced apart from the first electrode, and a light emitting layer disposed therebetween. A dielectric layer is disposed between the first electrode and the light emitting layer and/or between the second electrode and the light emitting layer. A field reinforcing layer is disposed between a dielectric layer and the light emitting layer and includes carbon nanotubes having a length of about 20 nanometers to about 1 micrometer.10-28-2010
20090302758ORGANIC LIGHT EMITTING DEVICE - To provide an organic light emitting device having high efficiency and high luminance by making a contrivance to suppress the leakage of an electron or of an exciton, an organic light emitting device of the present invention includes two hole transporting layers having tertiary amine compounds different from each other in structure.12-10-2009
20090009076DISPLAY APPARATUS AND IMAGING SYSTEM USING THE SAME - Provided is a display apparatus including multiple light emitting devices, in which each of the light emitting devices includes a reflective layer and a light emitting layer which are stacked, using interference between light directed from the light emitting layer to the reflective layer so as to be reflected by the reflective layer and light directed from the light emitting layer in the direction opposite to the reflective layer, and in which the multiple light emitting devices include a first light emitting device, a second light emitting device having a light emission color different from the first light emitting device, and a third light emitting device having the same emission spectrum as a spectrum in which light emission of the first light emitting device and light emission of the second light emitting device are mixed.01-08-2009
20110260605Light Emitting Display - A color light emitting display includes light-emitting devices of a plurality of red, green and blue pixels disposed in a matrix form. The light-emitting display takes out light from a side opposite to a substrate on which the light-emitting devices are formed. A wavelength of the light, of which an interference intensity to the light emitted from an emissive layer constituting a part of one of said light-emitting devices becomes a maximum value at 0 degree of a viewing angle, is λimax, a wavelength of the light becomes a minimum value in the interference intensity is λimin, a wavelength of the light becomes a maximum in a light intensity in relation to the light emitted from said emissive layer is λemax, and a relationship of λimax<λemax and λimin≧λemax+70 nm, is satisfied for at least one color among red, green and blue.10-27-2011
20110140598LIGHT-EMITTING DEVICE - It is an object of the present invention is to provide a light-emitting device in which high luminance can be obtained with low power consumption by improving the extraction efficiency. A light-emitting device of the invention comprises an insulating film, a plurality of first electrodes being in contact with the insulating film and formed on the insulating film to be in parallel, an electroluminescent layer formed over the plurality of first electrodes, and a plurality of second electrodes intersecting with the plurality of first electrodes and formed over the electroluminescent layer in parallel, wherein the insulating film contains nitrogen and silicon and the first electrodes contain a conductive transparent oxide material and silicon oxide.06-16-2011
20080284328Carbazole Derivative, and Light Emitting Element and Light Emitting Device Using the Carbazole Derivative - It is an object of the present invention to provide a material which is excellent in a hole injecting property and a hole transporting property, and to provide a light emitting element and a light emitting device using a material which is excellent in a hole injecting property and a hole transporting property. The present invention provides a carbazol derivative represented by a general formula (1). The carbazol derivative according to the present invention is excellent in the hole injecting property. By using the carbazol derivative according to the present invention as a hole injecting material for a hole injecting layer of a light emitting element, a driving voltage can be reduced. In addition, a lower driving voltage, improvement of the luminous efficiency, a longer life time, and higher reliability can be realized by applying the material to a light emitting element or a light emitting device.11-20-2008
20120112630LIGHTING DEVICE COMPRISING PHOTOLUMINESCENT PLATE - A lighting device including a photoluminescent plate may be provided that includes a light source and a photoluminescent plate disposed over the light source. The photoluminescent plate includes a base layer and a first phosphor layer. The base layer transmits light and has a first roughness on one surface thereof The first phosphor layer is disposed on the one surface of the base layer and includes a first phosphor.05-10-2012
20110298362Display Device - A display device with high-definition, in which display unevenness due to a voltage drop in a wiring or display unevenness due to a variation in characteristics of TFTs are suppressed. The display device of the invention comprises a first wiring for transmitting a video signal and a second wiring for supplying a current to a light emitting element. The first wiring and the second wiring extend parallel to each other, and are formed so as to overlap with each other at least partly with an insulating layer interposed therebetween.12-08-2011
20090206751Electro-luminescent device and method for manufacturing the same - An electro-luminescent device includes a transparent substrate, a black matrix on the transparent substrate defining a plurality of spaces, a plurality of color representing layers each arranged in respective ones of the spaces, an overcoat layer on the black matrix and the color representing layers, a plurality of first electrodes disposed on the overcoat layer in a first direction with respect to the color representing layers, a phosphor layer formed on the plurality of first electrodes, an insulating film on the phosphor layer, and a plurality of second electrodes disposed on the insulating film in a second direction perpendicular to the first direction.08-20-2009
20090160331ORGANIC EL DISPLAY - Provided is an organic EL display including a substrate, an insulating underlayer disposed over the substrate, a first electrode partially covering the insulating underlayer, a partition insulting layer disposed on the insulating underlayer and partially covering the first electrode, an organic layer including an emitting layer and disposed on an uncovered portion of the first electrode that is not covered with the insulating separator layer, and a second electrode disposed on the organic layer, wherein a surface of the organic layer that faces the substrate includes a first area and a second area interposed between the first area and a side surface of the insulating separator layer, and a distance between the substrate and the second area is shorter than a distance between the substrate and the first area.06-25-2009
20090153047ACTIVE MATRIX ELECTROLUMINESCENCE DEVICE AND METHOD FOR FABRICATING THE SAME - An active matrix electroluminescence device and a method for fabricating the same for enhancing electrical characteristics of a wire are disclosed. The method includes forming a wire on a non-emissive area of a substrate, and forming transistors on an emissive area of the substrate, forming an insulating layer on the substrate, the wire, and the transistors, and selectively removing the insulating layer, so as to expose the wire, forming a first electrode on the insulating layer in the emissive area, forming an electroluminous layer on the first electrode, and forming a second electrode on the electroluminous layer and the wire.06-18-2009
20100026180LIGHT-EMITTING DEVICE, IMAGE FORMING APPARATUS, DISPLAY DEVICE, AND ELECTRONIC APPARATUS - A light-emitting device includes: a substrate; a light reflection layer that is formed on the substrate and reflects light; a first electrode that is formed on the light reflection layer and transmits light; a light-emitting layer that is formed on the first electrode and emits light; a second electrode that is formed on the light-emitting layer and transmits a part of light from the light-emitting layer and reflects the rest of the light from the light-emitting layer; and a conductive transflective layer that is formed on the second electrode and that transmits a part of light from the second electrode and reflects the rest of the light from the second electrode. A work function of the second electrode is 4 eV (electron volts) or less. The conductive transflective layer is formed of a metal material having a higher optical reflectance than the second electrode.02-04-2010
20090096372Device for making objects visible under low or zero environmental illumination conditions - A device for making objects visible under low or zero environmental illumination conditions comprises a layer of luminescent paint applied to an exposed to the view surface of an object and an optically transparent material protective layer applied to the luminescent paint layer.04-16-2009
20090051284LED DEVICE HAVING IMPROVED LIGHT OUTPUT - An light-emitting diode device, including a substrate; and a reflective electrode and a semi-transparent electrode formed over the substrate and an unpatterned white light-emitting layer formed between the reflective electrode and the semi-transparent electrode, the reflective electrode, semi-transparent electrode, and unpatterned white-light-emitting layer forming an optical microcavity, and wherein either the reflective or semi-transparent electrodes is patterned to form a plurality of independently controllable light-emitting elements with at least one light-emitting element having no color filter. Color filters are formed over a side of the semi-transparent electrodes opposite the unpatterned white light-emitting layer in correspondence with the light-emitting elements, the color filters having at least two different colors.02-26-2009
20110198991LIGHT EMITTING DEVICE, METHOD OF MANUFACTURING THE SAME, LIGHT EMITTING DEVICE PACKAGE, AND ILLUMINATION SYSTEM - Disclosed are a light emitting device, a method of manufacturing the same, a light emitting device package, and an illumination system. The light emitting device includes a transmissive substrate, an ohmic layer on the transmissive substrate, a light emitting structure on the ohmic layer and including a first conductive semiconductor layer, a second conductive semiconductor layer, and an active layer between the first and second semiconductor layers, a electrode layer on a bottom surface of the transmissive substrate, and a conductive via electrically connecting the light emitting structure with the electrode layer through the transmissive substrate wherein an area of the transmissive substrate is increased toward an upper portion thereof from a lower portion.08-18-2011
20100033089DISPLAY DEVICE - A display device includes: a light emitting layer configured to emit light in accordance with current; a first pixel separation film configured to define a first opening for providing a light emitting region when the light emitting layer emits light; and a second pixel separation film laminated on the first pixel separation film and configured to define a second opening that is restricted so as not to gradually become wider as apart from a surface contacted with the first pixel separation film.02-11-2010
20090309493Organic light emitting display and its method of fabrication - An organic light emitting display is divided into a light emitting region and a non-light emitting region, the non-light emitting region of the organic light emitting display including: a first substrate; a first passivation layer and a second passivation layer sequentially arranged on the first substrate and having a step in an undercut shape; and an auxiliary electrode layer, an El common layer, and a second layer sequentially arranged throughout the non-light emitting region including the first and second passivation layers, the auxiliary electrode layer being shorted to the second layer in the step at the slope of the second passivation layer or shorted to the first passivation layer in the undercut shape arranged under the second passivation layer.12-17-2009
20110062864LIGHT EMITTING DEVICE AND DISPLAY - A light emitting device comprises: an LED chip having a quantum well structure and a light emitting layer made of a gallium nitride compound semiconductor; a first transparent material covering the LED chip; a second transparent material for protecting the LED chip and the first transparent material; and a phosphor for absorbing a part of the light from the LED chip and emitting a light having a wavelength different from the light from the LED chip; wherein the phosphor is included in second transparent material, and the light from the LED chip and the light from said phosphor are mixed to make a white light.03-17-2011
20100079067Organic EL Display Panel and Method for Manufacturing Thereof - An embodiment of the present invention is an organic EL display panel including a plurality of first electrodes, a confining wall which covers an edge part of the first electrode and sections the plurality of first electrodes into different pixels, a luminescent medium layer which has a plurality of layers including a luminescent layer and a second electrode formed on the luminescent medium layer, and an organic EL display panel also includes at least two layers which are included in the luminescent medium layer and which are formed into a stripe shape and are perpendicular to each other.04-01-2010
20090206752LIGHT-EMITTING DEVICE WITH IMPROVED BRIGHTNESS CONTROL AND NARROW FRAME AND ELECTRONIC APPARATUS WITH THE LIGHT-EMITTING DEVICE - The invention provides a light-emitting device and an electronic apparatus, which are capable of preventing reduction of the amount of current flowing through light-emitting elements and which have an excellent display characteristic. Cathode wiring lines connected to a cathode are provided to surround an effective area outside the effective area where a plurality of pixels having light-emitting elements are provided. First to third power source lines connected to pixel electrodes are provided between the cathode wiring lines and the effective area.08-20-2009
20090206750Method for the Production of an Electroluminescence Apparatus and an Electroluminescence Apparatus Produced According to Said Method - An electroluminescence apparatus (08-20-2009
20100090594ORGANIC LIGHT EMITTING DIODE DISPLAY AND METHOD FOR MANUFACTURING THE SAME - The present invention relates to an organic light emitting device and a manufacturing method thereof. The present invention discloses an organic light emitting device including: a plurality of scanning signal lines; a first and second contact assistant; a plurality of data lines crossing the scanning signal lines; a driving voltage line; and a first pixel, a second pixel, and a third pixel alternately arranged, wherein each pixel includes: a switching transistor, a driving transistor including an output terminal, a pixel electrode connected to the output terminal, the pixel electrode including at least two layers including a transflective electrode, an organic light emitting member arranged on the pixel electrode, and a common electrode arranged on the organic light emitting member, wherein the first pixel further includes a supplementary member arranged on the pixel electrode, and wherein the first and second contact assistants include the same material as the supplementary member.04-15-2010
20080211398FLAT PANEL OLED DEVICE HAVING DEFORMABLE SUBSTRATE - A flat panel OLED device including a transparent deformable substrate having first and second sides and defining a predetermined illumination region and a non-illumination region; a moisture-sensitive OLED disposed over the first side of the transparent substrate within the illumination region and means for applying electrical signals to the OLED which causes the OLED to produce light and heat; a protective layer disposed over the OLED; a flexible encapsulating foil disposed over the protective layer, but not attached thereto, and which dissipates the heat and sealingly connected to the substrate in the non-illumination region; and a rigid chassis structure operatively associated with the transparent deformable substrate for providing rigidity to the transparent deformable substrate.09-04-2008
20120194066LIGHT EMITTING DEVICE WITH TRANSLUCENT CERAMIC PLATE - A light emitting device comprising a light emitting component that emits light with a first peak wavelength, and at least one sintered ceramic plate over the light emitting component is described. The at least one sintered ceramic plate is capable of absorbing at least a portion of the light emitted from said light emitting component and emitting light of a second peak wavelength, and has a total light transmittance at the second peak wavelength of greater than about 40%. A method for improving the luminance intensity of a light emitting device comprising providing a light emitting component and positioning at least one translucent sintered ceramic plate described above over the light emitting component is also disclosed.08-02-2012
20090284148LIGHT SOURCE UNIT AND PROJECTOR - A projector comprises a light source unit 11-19-2009
20080297045LED DEVICE HAVING IMPROVED LIGHT OUTPUT - A light-emitting device, including a substrate and a first electrode formed over the substrate. A light-emitting layer is formed over the first electrode. A second electrode is formed over the light-emitting layer. At least one of the first and second electrodes is transparent. A light-scattering layer comprising electrically-conductive, light-scattering particles is located in physical and electrical contact with the first or second electrode. The light-scattering layer is formed on a side of the first or second electrode, and opposite the light-emitting layer.12-04-2008
20090167172SURFACE EMITTING-TYPE ELECTROLUMINESCENT DEVICE - A surface emitting-type electroluminescent device capable of being driven by a DC power source and excellent in durability is provided.07-02-2009
20080284329Led with Improve Light Emittance Profile - The present invention relates to a LED comprising at least one red light emitting and/or conversion layer, which emits light in the wavelength of ≧550 nm to ≦750 nm, preferably ≧630 nm to ≦700 nm, and/or at least one blue light emitting layer, which emits light in the wavelength of ≧400 nm to ≦550 nm, preferably ≧420 nm to ≦500 nm, and/or at least one green and/or yellow emitting luminescence material, which emits light in the wavelength ≧530 nm to ≦610 nm, whereby the at least one green and/or yellow emitting luminescence material is capable of absorbing light which is emitted by the at least one blue light emitting layer, characterized in that the red light emitting and/or conversion layer is made of a semiconductor material.11-20-2008
20080284330Light Emitting Module, and Method for Producing the Same - A light emitting module capable of flexibly accommodating a wide range of applications, and a production method capable of easily producing such a light emitting module. A 1.8 mm-thick glass substrate is used as a first substrate. A circuit pattern as shown in FIG. 11-20-2008
20080303434Compound and Organic Light Emitting Device Using the Same - Disclosed is a novel compound which is capable of significantly improving a lifespan, efficiency, and electrochemical and thermal stabilities of an organic light emitting device, the production of the compound, and an organic light emitting device in which the compound is contained in an organic compound layer.12-11-2008
20080238310OLED with improved light outcoupling - An OLED may include regions of a mineral having a refractive index less than that of the substrate, allowing for emitted light in a waveguide mode to be extracted into air. These regions can be placed adjacent to the emissive regions of an OLED in a direction parallel to the electrodes. The substrate may also be given a nonstandard shape to further improve the conversion of waveguide mode and/or glass mode light to air mode. The outcoupling efficiency of such a device may be up to two to three times the efficiency of a standard OLED.10-02-2008
20090146560White organic light emitting device - A white organic light emitting device (WOLED) includes electroluminescence (EL) red and blue light emitting layers disposed inside a cavity and a non-electroluminescence (NEL) green light emitting unit disposed outside the cavity or on a region inside the cavity where there are no combinations of electrons and holes. The green light emitting unit adjusts a green spectrum by resonating greenish blue light in the cavity, or is disposed on a path through which red and blue light output from the cavity travels and adapted to absorb the blue light and emit green light. A photoeluminescence (PL) light emitting layer may be a capping layer covering the cavity. The capping layer functions as an optical path control layer controlling an optical path. A white spectrum is obtained by combining blue light and red light generated by EL and green generated by PL. This WOLED can operate at a low voltage.06-11-2009
20090051282luminous body - The present invention relates to an inorganic composition mainly containing a compound semiconductor, wherein the inorganic composition contains iridium element. The invention also relates to a method of producing an inorganic composite for producing an luminescent material, wherein the method comprises subjecting an inorganic composition mainly containing a compound semiconductor to an explosion by gunpowder and/or explosive in a sealed vessel.02-26-2009
20090058290Organic EL display device - The present invention provides an organic EL display device which has a long lifetime. The organic EL display device includes a plurality of pixels each of which is constituted of a top-emission-type active matrix organic EL element. The top-emission-type active matrix organic EL element includes: a pixel electrode which is connected to an active element; a reflective layer arranged between the pixel electrode and an active element and is formed over a leveling layer; an organic light emission layer which is arranged on the pixel electrode; and a common electrode which is arranged on the organic light emission layer. The reflective layer includes: a first reflective layer which is made of high-melting-point metal; and a second reflective layer which is arranged on the first reflective layer and is made of alloy containing aluminum, an aluminum compound or aluminum silicide. The second reflective layer includes a planer pattern in which an outer periphery of the second reflective layer is surrounded by the first reflective layer. The pixel electrode covers the second reflective layer.03-05-2009
20090085478LED DEVICE HAVING IMPROVED LIGHT OUTPUT - A thin-film, white-light-emitting diode device includes a reflective, conductive thin-film structure and a semi-transparent, conductive thin-film structure. One or more thin-film layers are formed between the reflective and semi-transparent conductive thin-film structures to form two or more commonly-controlled microcavity structures. The thin-film layers emit white light in response to current provided by the conductive thin-film structure. Each of the two or more commonly-controlled microcavity structures has a different resonant frequency within one or more optical cavities and emits light with a smaller spectral range than the spectral range of the white-light-emitting thin-film layer(s). A combination of light emitted from the two or more commonly-controlled microcavity structures is white.04-02-2009
20090179563LIGHT-EMITTING APPARATUS AND ELECTRONIC APPARATUS - A light-emitting apparatus is disclosed, which includes light-emitting elements provided on a substrate that each have a light-emitting layer interposed between a first electrode having a light-transmitting performance and a second electrode having a transflective performance. A light-reflecting layer is further arranged on the light-emitting layer, and an optical resonator structure is configured to resonate a light emitted from the light-emitting layer. A plurality of light-emitting elements are provided, having different resonance wavelengths, and an optical length of the light-emitting elements is set to be longer than λ(m−φ/2π)/2.07-16-2009
20090160330SOLID-STATE ILLUMINATING APPARATUS - A solid-state illuminating apparatus for emitting white light with high CRI includes a substrate, a first lighting element, a second lighting element, a third lighting element. The first, second and third lighting elements are respectively placed in a first, a second, and a third receiving groove. The first lighting element includes a first solid-state lighting chip and a first filling layer encapsulating the first solid-state lighting chip therein. Similar to the first lighting element, the second lighting element includes a second solid-state lighting chip and a second filling layer, and the third lighting element includes a third solid-state lighting chip and a third filling layer. The first, second and third solid-state lighting chip are solid-state lighting chip with the same color light. At least two of the first, second, and third filling layer include two different phosphor materials respectively doped therein.06-25-2009
20090179564Electroluminescent device, method for manufacturing the same, and electronic apparatus - The invention provides a low-profile electroluminescent (EL) device, a method for manufacturing the same, and a low-profile electronic apparatus. The EL device can include first electrodes, EL layers disposed on the first electrodes, a second electrode to cover the EL layers, and a barrier layer in contact with the second electrode. At least the surface of the second electrode facing the barrier layer can be composed of an inorganic oxide. At least the surface of the barrier layer facing the second electrode can be composed of an inorganic compound.07-16-2009
20090128027ACTIVE MATRIX DISPLAY DEVICE - An active matrix display device includes a driving section provided on a substrate, an insulating film stacked on the driving section, and light-emitting elements arranged in a matrix on the insulating film, each of the light-emitting elements having a light-emitting layer between upper and lower electrodes, the active matrix display device being driven by the driving section provided for each of the light-emitting elements, the active matrix display device also includes an auxiliary wiring provided on the same layer as the lower electrode of the light-emitting element and adapted to adjust the electrical resistance of the upper electrode, and drive wirings disposed in the underlying layer of the auxiliary wiring via the insulating film and adapted to drive the light-emitting element, wherein the auxiliary or drive wiring is routed in a roundabout manner where the auxiliary and drive wirings overlap.05-21-2009
20110140597BLUE LIGHT-EMITTING DEVICE AND ORGANIC LIGHT EMITTING DISPLAY INCLUDING THE SAME - A blue light-emitting device, and an organic light-emitting display including the blue light-emitting device, has a non-resonance structure including a blue light-emitting layer between a reflective electrode and a transparent electrode, and thus has an excellent process margin, an excellent luminance characteristic even in a wide optical viewing angle, and a high color reproduction satisfying an sRGB blue standard.06-16-2011
20090212696Resonant cavity color conversion el device and organic el display device using the same - A resonant cavity color conversion EL element in which intensity of converted light from a color conversion layer is increased and an organic EL display device in which viewing angle dependence of the color tone is small and the manufacturing process is simple. The EL element includes at least a pair of electrodes; a functional layer includes a light-emitting layer and is sandwiched by the pair of electrodes; a color conversion layer that absorbs light emitted from the light-emitting layer and emits light with a different wavelength; and a pair of light reflective layers. Notably, the pair of light reflective layers are composed of a non-transparent reflective layer and a semi-transparent reflective layer that have a distance therebetween that is set at an optical distance to construct a microcavity that increases intensity of light with a specific wavelength emitted from the color conversion layer.08-27-2009
20090051283LED DEVICE HAVING IMPROVED CONTRAST - A light-emitting diode device, including a substrate; and a reflective electrode and a semi-transparent electrode formed over the substrate and an unpatterned white light-emitting layer formed between the reflective electrode and the semi-transparent electrode, the reflective electrode, semi-transparent electrode, and unpatterned white-light-emitting layer forming an optical microcavity, and wherein either the reflective or semi-transparent electrodes is patterned to form a plurality of independently controllable light-emitting elements with at least one light-emitting element having no color filter. Color filters are formed over a side of the semi-transparent electrodes opposite the unpatterned white light-emitting layer in correspondence with the light-emitting elements, the color filters having at least two different colors. Additionally, a reflected-light absorbing layer is located over all of the light-emitting elements.02-26-2009
20090085479Light-emitting element, lighting device, light-emitting device, and electronic device - A light-emitting element whose degree of deterioration with driving time is improved and of which emission colors are easily controlled. A light-emitting emitting element having a first electrode, a second electrode, and a layer containing an organic compound located between the first electrode and the second electrode, in which the layer containing the organic compound at least has, from the second electrode side, a light-emitting layer in which a first layer, a second layer, and a third layer are stacked, and a hole-transporting layer provided in contact with the third layer; the first layer contains a first organic compound and a second organic compound; the second layer contains a third organic compound and a fourth organic compound; and the third layer contains the first organic compound and a fifth organic compound.04-02-2009
20090051285Organic electroluminescence display device - An object of the present invention is to provide an organic electroluminescence (EL) display device having a high aperture ratio (ratio of light emitting area to pixel area) on both surfaces. The organic EL display device having a substrate includes on a surface of the substrate: a first organic EL element of a top emission type; a second organic EL element of a bottom emission type; a first circuit that drives the first organic EL element; and a second circuit that drives the second organic EL element. In the organic EL display device, the second circuit is arranged below the first organic EL element.02-26-2009
20090085480TRANSPARENT DRYING AGENT AND ORGANIC ELECTROLUMINESCENT DEVICE - A transparent drying agent includes a mixture of an alkoxide of the Group II, Group III or Group IV metal and a transparent organic polymer which is inert to and soluble with this metal alkoxide.04-02-2009
20090212695White and color photoexcitation light emitting sheet and method for the fabrication thereof - The present invention relates to a white and color photoexcitation light emitting sheet comprising a substrate, a light source formed on the substrate, and a white and color photoexcitation light emitting layer capable of converting a light emitted from the light source into a light having a different wavelength, where the white and color photoexcitation light emitting layer is fabricated by mixing a matrix polymer, white and color photoexcitation light emitting materials and a solvent, spinning the resulting mixture to prepare an ultrafine composite fiber layer of the matrix polymer/photoexcitation light emitting materials, and thermocompressing the ultrafine composite fiber layer; and a method for fabrication thereof. The white and color photoexcitation light emitting sheet according to the present invention has uniform brightness and color coordinates and exhibits high color reproducibility.08-27-2009
20090212694LED DEVICE HAVING IMPROVED LIGHT OUTPUT - A light-emitting diode device that includes a first group of sub-pixels each subpixel comprising a reflective electrode and a second electrode formed over a substrate with an unpatterned light-emitting layer formed between the reflective electrode and the second electrode, thus forming a first optical cavity having a first cavity length. Either the reflective or second electrode is patterned to form two or more independently-controllable, light-emitting sub-pixels. A second group of sub-pixels, each comprising a reflective electrode and a second electrode formed over the substrate. An unpatterned light-emitting layer is formed between the reflective electrode and the second electrode to comprise a second optical cavity having a second cavity length different from the first cavity length of the first optical cavity. Either the reflective or second electrode is patterned to form one or more independently-controllable, light-emitting sub-pixels.08-27-2009
20090212697LIGHT EMITTING DEVICE WITH TRANSLUCENT CERAMIC PLATE - A light emitting device comprising a light emitting component that emits light with a first peak wavelength, and at least one sintered ceramic plate over the light emitting component is described. The at least one sintered ceramic plate is capable of absorbing at least a portion of the light emitted from said light emitting component and emitting light of a second peak wavelength, and has a total light transmittance at the second peak wavelength of greater than about 40%. A method for improving the luminance intensity of a light emitting device comprising providing a light emitting component and positioning at least one translucent sintered ceramic plate described above over the light emitting component is also disclosed.08-27-2009
20100148664POLARIZER AND ORGANIC LIGHT EMITTING DISPLAY APPARATUS INCLUDING THE SAME - A polarizer and an organic light emitting display apparatus including the polarizer. According to an embodiment of the present invention, a polarizer includes a substrate and a plurality of electrode units separated from each other on the substrate and formed in a stripe pattern. Each of the electrode units includes a first surface facing the substrate and a second surface opposite the first surface, the first surface having a width smaller than a width of the second surface.06-17-2010
20100013388Electroluminescent Plate, Product Containing the Same, and Preparing Method Thereof - A case product comprises an EL plate and a plastic shell, wherein the EL plate comprising a substrate film, a transparent electrode layer, a light-emitting layer, an insulating layer, a back electrode layer, and an adhesive layer, wherein the substrate film, the transparent electrode layer, the light-emitting layer, the insulating layer, the back electrode layer, the protective layer and the adhesive layer are configured to be positioned next to each other in a predefined order. And a method of preparing a case product comprises: coating a substrate film with a transparent electrode layer, a light-emitting layer, an insulating layer, a back electrode layer, a protective layer and an adhesive layer; shaping the substrate film in a high-pressure mold; cutting the substrate film in a cutting mold to form an EL plate; molding the EL plate in an injection mold, and integrating the EL plate with a plastic shell.01-21-2010
20080211400Light Emitting Device Having Vertically Stacked Light Emitting Diodes - Disclosed is a light emitting device having vertically stacked light emitting diodes. It comprises a lower semiconductor layer of a first conductive type positioned on a substrate, a semiconductor layer of a second conductive type on the lower semiconductor layer of a first conductive type, and an upper semiconductor layer of a first conductive type on the semiconductor layer of a second conductive type. Furthermore, a lower active layer is interposed between the lower semiconductor layer of a first conductive type and the semiconductor layer of a second conductive type, and an upper active layer is interposed between the semiconductor layer of a second conductive type and the upper semiconductor layer of a first conductive type. Accordingly, there is provided a light emitting device having a structure in which a lower light emitting diode comprising the lower active layer and an upper light emitting diode comprising the upper active layer are vertically stacked. Therefore, light output per unit area of the light emitting device is enhanced as compared with a conventional light emitting device, and thus, a chip area of the light emitting device needed to obtain the same light output as the conventional light emitting device can be reduced.09-04-2008
20100277064TILED ELECTROLUMINESCENT DEVICE WITH FILLED GAPS - A tiled electroluminescent device that improves light-emission uniformity and reduces reflection from ambient light includes a first and a second electroluminescent device tile, a portion of the edge of the first device tile abutted with a portion of the edge of the second device tile leaving a gap between the first and second device tile edges, each device tile including a substrate, having an optical index and a level of transparency, and an electroluminescent diode for emitting light according to a distribution that is substantially Lambertian, whereby light is directed along an oblique angle to the surface of the substrate of the first tile and through the edge of the first device tile; and a filler located in the gap between the abutting edges of the first and second device tiles, the filler having an optical index and a level of transparency matched to the substrates.11-04-2010
20100244677OLED DEVICE CONTAINING A SILYL-FLUORANTHENE DERIVATIVE - The invention provides an OLED device including a cathode, an anode, and having therebetween a light-emitting layer, further includes, between the cathode and the light emitting layer: a) a first layer containing a silyl-fluoranthene compound including a fluoranthene nucleus having a silicon atom bonded to the 8- or 9-position, and wherein the silicon atom is further bonded to three independently selected substituents; and b) a second layer, located between the first layer and the cathode and contiguous to the first layer, and wherein: i) the second layer contains an alkali metal or an organic alkali metal compound; or ii) the second layer contains an azine compound. Embodiments of the invention can provide an OLED device with improved luminance and reduced drive voltage.09-30-2010
20100225230LIGHT EMITTING DIODE PACKAGE STRUCTURE AND MANUFACTURING METHOD THEREOF - A manufacturing method of a light emitting diode package structure is disclosed. First, a carrier and an LED chip are provided, wherein the LED chip is disposed on the carrier. Next, a first molding compound is provided on the LED chip, wherein the first molding compound is mixed up with a fluorescent material. Then, a first baking process to make the first molding compound in semi-cured state is performed. After that, a second molding compound is provided on the first molding compound.09-09-2010
20090072733ELECTROLUMINESCENCE ELEMENT AND LIGHTING APPARATUS - An electroluminescent element wherein an electrode 03-19-2009
20090115330Self-emitting element, display panel, display apparatus, and method of manufacturing self-emitting element - A display panel includes a light-emitting layer, a protective layer, a reflective layer, and a reflective surface. The protective layer is deposited on an emitting side of the light-emitting layer and forms an interface with an external medium. The protective layer has a thickness that allows the light emitted from the light-emitting layer to undergo total reflection at least once at the interface in an area of the light-emitting layer. The reflective layer is deposited on an opposite side of the protective layer with respect to the light-emitting layer. The reflective surface is at a periphery of the light-emitting layer and changes the direction of the light propagating inside the protective layer emitted from the light-emitting layer.05-07-2009
20090243483ORGANIC LIGHT-EMITTING DISPLAY APPARATUS AND METHOD OF MANUFACTURING THE SAME - An organic light-emitting display apparatus and a method of manufacturing the same, the apparatus including: a substrate; a first electrode formed on the substrate; an intermediate layer formed on the first electrode, including an organic emissive layer; a second electrode formed on the intermediate layer; and an insulating member interposed between the intermediate layer and the second electrode, on an edge of the first electrode.10-01-2009
20110025201IMAGE DISPLAY APPARATUS - An image display apparatus, which has a high contrast and can suppress the contrast variation and the effect of unwanted reflections regardless of the environment, comprises a luminescent layer; an excitation source which excites the luminescent layer; a front layer which obtains display light by transmitting light generated by the luminescent layer excited by the excitation source; and a periodic structure which is provided between the front layer and the luminescent layer and has a periodic refractive index distribution in a surface parallel to the front layer, wherein the periodic structure satisfies a relation of a following expression and the periodic interval of the periodic structure is 1 μm or greater and 3 μm or less.02-03-2011
20090066242Display device - A display device is provided that includes a first substrate, at least one inorganic insulating film on the first substrate, a light emitting unit on the first substrate (and including a first electrode, an organic film layer having a light emitting layer and a second electrode), a second substrate and a sealant for adhering the first substrate and the second substrate. A viscosity of the sealant may be approximately 80,000 cp to 150,000 cp.03-12-2009
20110025202 ELECTROLUMINESCENCE ELEMENT, DISPLAY DEVICE, AND LIGHTING DEVICE - The present invention provides an organic electroluminescence element, a display device, and a lighting device, which have high efficiency and long life and are stable in the color purity. The present invention is an organic electroluminescence element comprising: 02-03-2011
20090218941ORGANIC SEMICONDUCTOR LIGHT-EMITTING DEVICE AND DISPLAY DEVICE - A light-emitting element includes a light-emitting material layer having a light-emitting layer; an insulating layer opposed to the light-emitting material layer; a carrier injection layer for injecting a first carrier, sandwiched between the insulating layer and the light-emitting material layer; a first electrode that has a polarity corresponding to the first carrier, positioned at the interface of the light-emitting material layer and the carrier injection layer, and provided in part on the carrier injection layer, a second electrode that has a polarity opposite that of the first electrode and is provided on the light-emitting material layer, and an auxiliary electrode provided on the insulating layer.09-03-2009
20120133277Electroluminescence System With Transparent Electrodes - The electroluminescent system comprises an electroluminescent device (05-31-2012
20110068684ELECTROLUMINESCENT DISPLAY DEVICE - A color electroluminescent (EL) display device comprises a transparent substrate, and a transparent electrode arranged on the transparent substrate. The EL display also includes an electroluminescent layer arranged on the transparent electrode that comprises a plurality of pixel units. Each pixel unit comprises at least two regions comprising electroluminescent materials capable of emitting light of different colors. The EL display further comprises a plurality of opposing electrodes arranged on the electroluminescent layer. Each of the opposing electrodes cooperates with the transparent electrode to apply a voltage to one of the at least two regions of each pixel unit.03-24-2011
20090026944FIELD EMISSION CATHODE STRUCTURE AND METHOD OF MAKING THE SAME - A method for making a field emission cathode structure includes forming a ballast layer over a column metal layer, forming a dielectric layer over the ballast layer, forming a line metal layer over the dielectric layer, forming a trench in the line metal layer and the dielectric layer, the trench extending to the ballast layer, and forming a sidewall spacer and a sidewall blade adjacent a sidewall of the trench, where the sidewall spacer is between the dielectric layer and the sidewall blade, and where the conformal spacer is recessed as compared to the sidewall blade such that a gap is present between the sidewall blade and the line metal layer.01-29-2009
20100244681EL DEVICE, LIGHT-SENSITIVE MATERIAL FOR FORMING CONDUCTIVE FILM, AND CONDUCTIVE FILM - An EL device, comprising: 09-30-2010
20100244680EL DEVICE, LIGHT-SENSITIVE MATERIAL FOR FORMING CONDUCTIVE FILM, AND CONDUCTIVE FILM - An EL device (09-30-2010
20100244679LIGHT-EMITTING ELEMENT, LIGHT-EMITTING APPARATUS, DISPLAY APPARATUS, AND ELECTRONIC DEVICE - A light-emitting element includes a cathode, an anode, a red-light-emitting layer that is disposed between the cathode and the anode and emits red light, a blue-light-emitting layer that is disposed between the red-light-emitting layer and the cathode and emits blue light, a green-light-emitting layer that is disposed between the blue-light-emitting layer and the cathode and emits green light, and an intermediate layer that is disposed between and in contact with the red-light-emitting layer and the blue-light-emitting layer and functions so as to control the transfer of positive holes and electrons between the red-light-emitting layer and the blue-light-emitting layer, wherein the intermediate layer contains a first material and a second material different from the first material, the red-light-emitting layer contains a material of the same type as the first material, and each of the blue-light-emitting layer and the green-light-emitting layer contains a material of the same type as the second material.09-30-2010
20100244678HOUSING AND MANUFACTURING METHOD THEREOF - A housing comprises an exterior coating, a contact control coating formed on and bonded with the exterior coating, a light emitting coating formed on and bonded with the contact control coating, and a substrate molded on and bonded with the light emitting coating. The contact control coating and the light emitting coating are defined with electric contacts thereon. A method for manufacturing the housing includes providing a contact control coating; applying a light emitting coating onto the contact control coating; molding a substrate onto the light emitting coating; and defining electric contacts on the contact control coating and the light emitting coating.09-30-2010
20110043105CONTROLLING AN ELECTRONIC DEVICE USING CHIPLETS - An electronic apparatus including a common substrate, a plurality of controlled electronic devices disposed over the common substrate, and a wiring layer having a plurality of conductors formed on the common substrate. A plurality of chiplets are located over the common substrate, each chiplet having an independent substrate separate from the common substrate, each independent substrate having a bottom side opposing a top side with one or more connection pads formed on the bottom side of the chiplet, and each chiplet including circuitry for controlling functions of one or more of the controlled electronic devices. The chiplets are adhered to the common substrate with the bottom side of the chiplet closer to the common substrate than the top side of the chiplet, and each connection pad is electrically connected to one of the plurality of conductors.02-24-2011
20100090595REFLECTION PLATE, LIGHT-EMITTING DEVICE AND METHOD OF MANUFACTURING REFLECTION PLATE - A reflection plate allowing the prevention of the generation of stray light, a method of manufacturing the same, and a light-emitting device using such a reflection plate are provided. The reflection plate includes: a base having light transparency, and having a plurality of projections formed on a surface thereof; a reflecting mirror film arranged so as to be laid over a side surface of each of the projections in the base; and a light absorption layer arranged in a part or the whole of each of depressions on the surface of the base, the depressions being formed in spaces between the plurality of projections.04-15-2010
20100033090Light Emitting Element and Light Emitting Device - A light emitting element of the invention includes n pieces of light emitting layers (n is a natural number) between first and second electrodes. A first layer and a second layer are provided between the m02-11-2010
20120274202METHOD OF MANUFACTURING ORGANIC EL DEVICE AND ORGANIC EL DEVICE - Provided is a method of manufacturing an organic EL device, wherein a device which has a cathode, an anode facing the cathode, and an organic layer is disposed between the cathode and the anode is provided, a pulsed laser is transmitted through the cathode and is irradiated to the organic layer, and a conductive part having an electrical resistance value lower than that of the organic layer is formed in the organic layer.11-01-2012
20080252209MULTILAYER NANOCRYSTAL STRUCTURE AND METHOD FOR PRODUCING THE SAME - Disclosed herein is a multilayer nanocrystal structure comprising a nanocrystal alloy core comprising two or more nanocrystals and including an alloy interlayer formed at an interface between the two or more nanocrystals, and one or more layers of nanocrystal shells formed sequentially on the surface of the nanocrystal alloy core, wherein the nanocrystal shells each have different band gaps. The multilayer nanocrystal structure can be applied to various electronic devices owing to its advantages of high luminescence efficiency, superior optical stability, and superior chemical stability.10-16-2008
20120169222FIELD EMISSION DEVICE AND FIELD EMISSION DISPLAY - A field emission device includes an insulating substrate, a number of first electrode down-leads, a number of second electrode down-leads, and a number of electron emission units. The first electrode down-leads are set an angle relative to the second electrode down-leads to define a number of cells. Each electron emission unit is located in each cell and includes a first electrode, a second electrode, and a plurality of electron emitters. The second electrode extends surrounding the first electrode. The plurality of electron emitters located on and electrically connected to at least one of the first electrode and the second electrode. A field emission display is also provided.07-05-2012
20080203910Dual Light Emitting and Electrochromic Device - A combined electrochromic/electroluminescent device includes at least one pixel 08-28-2008
20100283387Organic-inorganic lighting device and a method for fabricating the same - An organic-inorganic lighting device and a method for fabricating the same is disclosed. Firstly, a conductive substrate is provided, and an inorganic conducting film layer and a seed layer are formed in turn on the conductive substrate. Next, an array of micro and nano zinc oxide wire is formed on the seed layer by using properties of the seed layer. Finally, an electrode layer is formed on the array of micro and nano zinc oxide wire. The invention solves the problem of low mobility of electrons in inorganic materials.11-11-2010
20100259166FLEXIBLE OLED DISPLAY WITH CHIPLETS - A flexible emissive device, includes a flexible rough substrate having a rough substrate surface and defining a display area; an organic low-temperature adhesion layer formed on the rough substrate surface, at least a portion of the organic low-temperature adhesion layer having a thickness greater than or equal to five microns; a plurality of chiplets distributed in the display area and adhering to the organic low-temperature adhesion layer, each chiplet having one or more connection pads; a plurality of patterned bottom electrodes formed over the organic low-temperature adhesion layer in the display area, each bottom electrode being electrically connected to only one connection pad of a corresponding chiplet; one or more layers of light-emitting material formed over the bottom electrode; and a top electrode formed over the one or more layers of light-emitting material; and a flexible encapsulating layer located over the top electrode and adhered to the rough substrate surface.10-14-2010
20110089823LIGHT EMITTING DEVICE - It is an object of the present invention to provide a light emitting device which is less affected by a malfunction caused in a light emitting element. It is another object of the invention to provide a light emitting device in which light emitting elements are connected in series. As to a light emitting device of the invention, groups of circuits each having a light emitting element and a limiter are connected in parallel. Here, a light emitting element and a limiter are connected in series. The number of the circuits may be at least two or more. Further, each circuit group includes at least one light emitting element.04-21-2011
20110080090LIGHT EMITTING DEVICE INCLUDING SEMICONDUCTOR NANOCRYSTALS - A light emitting device including semiconductor nanocrystals can have a unipolar construction. The semiconductor nanocrystals emit light during device operation. The size and chemical composition of the semiconductor nanocrystals can be chosen to provide desired emission characteristics. Devices that share a substrate and emit more than one color may be conveniently made.04-07-2011
20100207520LIGHT EMISSIVE DEVICE STRUCTURE AND A METHOD OF FABRICATING THE SAME - A light emissive device structure and a method for forming a light emissive device structure are provided. The structure comprises a transparent substrate; a transparent electrode formed on the transparent substrate; one or more light emitting layers formed on the first transparent electrode; a reflective electrode formed on the one or more light emitting layers; and a textured layer formed on the transparent substrate for enhancing light contrast of the device. Advantageously, the structure further comprises a gradient refractive index layer.08-19-2010
20080218072Semiconductor light-emitting device and method for manufacturing semiconductor light-emitting device - A semiconductor light-emitting device in which a light-emitting diode including a light-emitting layer is placed directly on the bottom of a cup-shaped case or placed above the case bottom with a submount disposed therebetween includes a transparent primary sealing member that seals a side region, located under the light-emitting layer, surrounding the light-emitting diode that is fixed in the case; a transparent secondary sealing member disposed on the primary sealing member; and a uniform deposition layer formed by depositing phosphor particles or light diffuser particles contained in a material for forming the secondary sealing member. The phosphor particles or the light diffuser particles are deposited on the upper surface of the light-emitting diode and the upper surface of the primary sealing member to form a uniform layer that is as thin as a one-particle to five-particle layer.09-11-2008
20080218071Light-Emitting Device, Method for Manufacturing the Same, and Electronic Apparatus - A light-emitting device includes a plurality of pixels constituting a screen, each of the pixels including four subpixels, which are a red subpixel, a green subpixel, a blue subpixel, and a remaining subpixel. The red subpixel has a light-emitting layer made of a white-light-emitting material and extending along the screen, and a color filter provided above the light-emitting layer to transmit red light, the white-light-emitting material emitting two-peak white light having an emission spectrum including a valley between a red peak residing in a wavelength range of red light and a blue peak residing in a wavelength range of blue light. The blue subpixel has a light-emitting layer made of the white-light-emitting material and extending along the screen, and a color filter provided above the light-emitting layer to transmit blue light. The remaining subpixel has a light-emitting layer made of the white-light-emitting material and extending along the screen. The green subpixel has a light-emitting layer made of a green-light-emitting material that emits green light and extending along the screen, and a color filter provided above the light-emitting layer to transmit green light.09-11-2008
20080218069ORGANIC LIGHT EMITTING DISPLAY DEVICE AND METHOD OF FABRICATING THE SAME - An organic light emitting display device and a method of fabricating the same capable of improving driving voltage and luminous efficiency. The OLED includes a substrate; a first electrode disposed on the substrate; an organic layer disposed on the first electrode and including an organic emission layer; and a second electrode disposed on the organic layer, and including a first metal layer and a second metal layer.09-11-2008
20080218070LIGHT-EMITTING DEVICE, METHOD FOR MANUFACTURING THE SAME, AND ELECTRONIC APPARATUS - A light-emitting device includes a plurality of pixels constituting a screen, each of the plurality of pixels including four subpixels, which are a red subpixel, a green subpixel, a blue subpixel, and a white subpixel. The red subpixel has a light-emitting layer formed of a red-light-emitting material that emits red light and extending along the screen, and a color filter provided above the light-emitting layer to transmit red light. The green subpixel has a light-emitting layer formed of a white-light-emitting material that emits white light and extending along the screen, and a color filter provided above the light-emitting layer to transmit green light. The blue subpixel has a light-emitting layer formed of a blue-light-emitting material that emits blue light and extending along the screen, and a color filter provided above the light-emitting layer to transmit blue light. The white subpixel has a light-emitting layer formed of the white-light-emitting material and extending along the screen.09-11-2008
20100026178ORGANIC LIGHT EMITTING DISPLAY AND FABRICATING METHOD THEREOF - An organic light emitting display according to an exemplary embodiment of the present invention includes a transistor arranged on an insulating substrate, a pixel electrode connected to the transistor and including a reflective film, an optical path controller arranged on the pixel electrode, an auxiliary electrode arranged on the pixel electrode and the optical path controller, an organic light emitting member arranged on the organic light emitting member, and a common electrode arranged on the organic light emitting member, wherein the optical path controller has a lower light absorption coefficient than the auxiliary electrode.02-04-2010
20100141134EL ELEMENT CONTAINING A SEMITRANSPARENT METAL FOIL AND PRODUCTION METHOD AND USE - The invention relates to foil element constructed from 06-10-2010
20090174326POLYMER MATERIAL AND POLYMER LIGHT-EMITTING DEVICE USING SAME - Disclosed is a polymer material containing a fluorescent or phosphorescent compound. When used in a light-emitting device, the polymer material enables to obtain a light-emitting device with excellent practicability which can be driven at low voltage and is excellent in luminous efficiency, color tones of emitted light and the like. Specifically disclosed is a polymer material characterized by containing a polymer (A) having a residue of a compound represented by the formula (1) below or the structure of (A), and a molecule (B) exhibiting fluorescence or phosphorescence in the visible region or the structure of (B).07-09-2009
20100237775LIGHT EMITTING DIODE PACKAGE STRUCTURE AND MANUFACTURING METHOD THEREOF - A method of fabricating a light emitting diode (LED) package structure is provided. A carrier and at least one LED chip having a light emitting surface and a plurality of side surfaces are provided. A first mask having at least one first opening is provided, and the first opening at least exposes the LED chip. A spray coating apparatus is provided above the first mask to perform a first spray coating process. The spray coating apparatus moves back and forth to spray a first phosphor solution over the LED chip so that the light-emitting surface and the side surfaces of the LED chip can be conformally covered by the sprayed first phosphor solution. The first phosphor solution is cured to form a first fluorescent layer by performing a curing process. A molding compound is formed to encapsulate the first fluorescent layer and a portion of the carrier.09-23-2010
20090200938FLEXIBLE ORGANIC LIGHT EMITTING DEVICES - A flexible organic light emitting device and a method of fabricating the same. The device comprises a flexible substrate comprising a plastic material; an organic emissive layer formed on the substrate; and a barrier layer for inhibiting oxygen and moisture permeation into the emissive layer. 08-13-2009
20120306361EL ELEMENT CONTAINING A SEMITRANSPARENT METAL FOIL AND PRODUCTION METHOD AND USE - The invention relates to foil element constructed from a) an at least partly transparent carrier foil, component A, which contains at least one cold-stretchable foil material which is provided with optional graphical representations, b) a semitransparent reflecting layer B, c) an at least partly transparent foil comprising at least one cold-stretchable foil material, component C, d) at least one electroluminescent element, component D, applied onto the at least partly transparent foil C, e) a protective layer, component EA, or a foil, component EB. The invention further relates to the use of the foil element as a decorative panel or a display element for vehicles, for forming safety-belt panels or warning-indication panels in vehicles, for forming warning-indication panels in buildings, and for forming housing elements for mobile electronic instruments or stationary electronic instruments, or for forming a small or household appliance or for forming a keyboard.12-06-2012
20090001885TANDEM OLED DEVICE - A tandem OLED device having two spaced electrodes comprising first and second light-emitting units disposed between the electrodes wherein each light emitting unit has at least one light emitting layer with an intermediate connector disposed between each of the light-emitting units. The intermediate connector includes an electron accepting organic layer in contact with the first light emitting unit and an n-type doped organic layer in contact with the electron accepting organic layer and the second light-emitting unit. The n-type doped organic layer includes an organic gallium complex. The devices exhibit improved stability and little change in color when current density is varied.01-01-2009
20120038268LED PACKAGE - A LED package includes a LED chip, a first phosphor layer, a second phosphor layer, a transparent adhesive and a lens. The lens includes an inner surface and an exterior surface. The first phosphor layer is mounted on the LED chip. The transparent adhesive is filled between the LED chip and the lens. The second phosphor layer is mounted on one of the inner surface and the exterior surface of the lens. Each of the first phosphor layer and the second phosphor layer is of one color.02-16-2012
20110050094ELECTROLUMINESCENCE SYSTEM WITH TRANSPARENT ELECTRODES - The electroluminescent system comprises an electroluminescent device (03-03-2011
20110156580LIGHT EMITTING DEVICE - There is provided a light emitting device which enables a color display with good color balance. A triplet compound is used for a light emitting layer of an EL element that emits red color, and a singlet compound is used for a light emitting layer of an EL element that emits green color and a light emitting layer of an EL element that emits blue color. Thus, an operation voltage of the EL element emitting red color may be made the same as the EL element emitting green color and the EL element emitting blue color. Accordingly, the color display with good color balance can be realized.06-30-2011
20110156579LIGHT EMITTING DEVICE, LIGHT EMITTING DEVICE PACKAGE, AND LIGHTING SYSTEM - Provided are a light emitting device, a light emitting device package, and a lighting system. The light emitting device includes a substrate, a light emitting structure on the substrate, the light emitting structure comprising a first conductive type semiconductor layer, a second conductive type semiconductor layer on the first conductive type semiconductor layer, and an active layer between the first and second conductive type semiconductor layers; a first electrode on the light emitting structure; and a patterned phosphor layer on the light emitting structure, wherein the patterned phosphor layer converts light generated from the light emitting structure into light having a wavelength longer than that of the light generated from the light emitting structure, and wherein the pattern of the phosphor layer exposes the first electrode.06-30-2011
20110156578ELECTRONIC DEVICE, ORGANIC LIGHT EMITTING DEVICE, AND PROTECTION MULTILAYER STRUCTURE - Provided is an electronic device including a substrate, a pixel located on the substrate and defined by a bank layer, and a multilayer protection film placed on the pixel and composed of multiple layers including at least one organic layer. The thickness of the first organic layer of the multiple layers forming the multilayer protection film satisfies T≧k×H×W where T represents the thickness of the first organic layer, H denotes the height of the bank layer, and k is a constant that is varied according to flowability or viscosity of the first organic layer.06-30-2011
20120056531ORGANIC ELECTROLUMINESCENT DISPLAY DEVICE - An organic electroluminescent display device including first to fourth pixel regions each including red, green and blue sub-pixel regions, each of the first to fourth pixel regions being divided into first and second column, and the first column being divided into first and second rows, wherein a red sub-pixel region and a green sub-pixel region are respectively arranged in the first and second rows, and a blue sub-pixel region is arranged in the second column; a red emitting layer formed in the red sub-pixel region; a green emitting layer formed in the green sub-pixel region; and a blue emitting layer formed in the blue sub-pixel region.03-08-2012
20120007500Electroluminescent Panel - [Problem to be solved] An object is to provide an EL display panel which can make a non-display area on the outermost circumference of the panel area unobtrusive without causing any deterioration of the material of EL devices.01-12-2012
20120013247DENDRIMER AND ORGANIC LIGHT-EMITTING DEVICE USING THE SAME - A dendrimer and an organic light-emitting device including an organic layer having the dendrimer.01-19-2012
20120013246DENDRIMER AND ORGANIC LIGHT-EMITTING DEVICE USING THE SAME - A dendrimer and an organic light-emitting device including an organic layer having the dendrimer.01-19-2012
20080303435LED DEVICE HAVING IMPROVED CONTRAST - A light-emitting diode (LED) device includes a reflective electrode and a transparent electrode having one or more light-emitting layers formed there-between. A contrast-enhancement element is located on a side of the transparent electrode opposite the light-emitting layer. The contrast-enhancement element has a first reflected-light absorbing layer and a second layer including transparent areas and reflective areas. The second layer is between the first reflected-light absorbing layer and the reflective electrode. A patterned light-scattering layer is located between the reflective areas of the second layer and the reflective electrode.12-11-2008
20100164378ELECTROLUMINESCENT DEVICE - An example embodiment there is provided an electroluminescent device comprising: an electroluminescent component, a first piezoelectric component, an alpha electrode and a first beta electrode, the electroluminescent component being located between the alpha electrode and the first piezoelectric component, the first beta electrode being in electrical contact with the alpha electrode and in electrical contact with the first piezoelectric component, the alpha electrode, first beta electrode, first piezoelectric component, and electroluminescent component being configured to generate a potential difference across the electroluminescent component responsive to a mechanical stress applied to the first piezoelectric component.07-01-2010
20120025699ORGANIC ELECTROLUMINESCENT DISPLAY DEVICE - An organic EL display device including organic EL light-emitting regions which includes a red-light emitting layer, a green-light emitting layer, and a blue-light emitting layer that are arranged on a main substrate includes: a first light-adjusting layer including a first portion and a second portion, the first portion selectively transmitting desired blue light, and the second portion absorbing visible light other than at least the desired blue light; and a second light-adjusting layer selectively absorbing light with a wavelength between desired red light and desired green light at an entire surface, in which the blue light-emitting layer is overlaid with the first portion, and a bank which is a non-light emitting portion is overlaid with the second portion. The first portion and the second portion may be integrally formed of a same material, and the second portion may absorb an entire range of visible light.02-02-2012
20090134791EL light-emitting sheet and EL light-emitting device - An EL light-emitting sheet is a sheet body formed by sealing a sheet-shaped EL light-emitting element with a substrate, a back electrode, an insulating layer, a light-emitting layer, and a transparent electrode stacked in this order, wherein an adhesive layer is formed in an outer side of the transparent electrode. If it is stuck by the adhesive layer at a desired position of the back of a sheet-shaped exhibit having a light-transmitting capability at least partially, when the EL light-emitting sheet does not light, only a design of a surface of the exhibit appears (FIG. 05-28-2009
20120126693LIGHTING DEVICE - A highly reliable lighting device is provided at low cost by using a simple structure and a simple process. A lighting device with improved convenience, which has a shape suitable for a purpose and can respond to diversified applications is provided. A light-emitting panel which includes a light-emitting element provided over a flexible substrate and including an electroluminescent (EL) layer (the panel is also referred to as an “EL film”) is put in a glass housing. The EL film is flexible and thus can be provided in a variety of forms in accordance with the shape of the glass housing.05-24-2012
20100237774Lighting Device - To reduce the thickness of a lighting device which uses an electroluminescent material and to simplify the structure of a lighting device which uses an electroluminescent material, in the lighting device of the present invention: a terminal electrically connecting a light-emitting element included in the lighting device to the outside is formed over the same surface of a substrate as the light-emitting element; and the terminal is formed at the center of the substrate while the light-emitting element is stacked. In addition, the lighting device has a structure in which the light-emitting element is not easily deteriorated.09-23-2010
20120161618ORGANIC LIGHT EMITTING DISPLAY PANEL AND METHOD OF MANUFACTURING ORGANIC LIGHT EMITTING DISPLAY PANEL - An organic light emitting display panel is disclosed. In one embodiment, the panel includes a pad portion includes: a protection film disposed on an encapsulation layer for encapsulating a pixel portion and extending to the pad portion, wherein the protection film has conductivity in an area corresponding to the pad portion.06-28-2012
20100207521LIGHT-EMITTING APPARATUS AND METHOD FOR MANUFACTURING SAME - A light-emitting apparatus including: a substrate; an LED chip mounted on a first surface of the substrate; a fluorescent material-containing layer containing a first fluorescent material, which fluorescent material-containing layer is provided above the first surface of the substrate so as to cover the LED chip; and a color-adjusting fluorescent layer that contains a second fluorescent material, which color-adjusting fluorescent material layer is formed in a layer provided on an outer side of the fluorescent material-containing layer in an emission direction, the color-adjusting fluorescent layer being formed in dots. Thus, the present invention provides a light-emitting apparatus and a method for manufacturing the same, each making it possible to carry out fine color adjustment so as to prevent a subtle color shift that occurs due to a factor such as a difference in concentration of a fluorescent material or the like.08-19-2010
20120133276MATERIALS AND STRUCTURES FOR ENHANCING THE PERFORMANCE OF ORGANIC LIGHT EMITTING DEVICES - A device is provided, having an anode, a cathode, and two adjacent organic layers disposed between the anode and the cathode. One organic layer is a phosphorescent emissive material. The other organic layer may comprise an aromatic hydrocarbon material, comprising an aromatic non-heterocyclic hydrocarbon core optionally substituted, and wherein the substituents are the same or different, and each is selected from the group consisting of alkyl, alkenyl, alkynyl, aryl, heteroalkyl, substituted aryl, substituted heteroaryl and heterocyclic groups. The second organic layer may comprise a material having a molecular dipole moment less than about 2.0 debyes, such that the device has an unmodified external quantum efficiency of at least about 3% and a lifetime of at least about 1000 hours at an initial luminance of about 100 to about 1000 cd/m05-31-2012
20120133275Flat Panel Display Device and Method of Manufacturing the Same - In a flat panel display device and a method of manufacturing the same, the flat panel display device is manufactured by forming a display unit on a substrate, forming a hydrophobic barrier layer for preventing a material of an organic layer from flowing around the display unit, and forming a thin film sealing layer by alternately stacking an inorganic layer and the organic layer on the display unit. Accordingly, formation of an edge tail of the organic layer is prevented, thereby preventing penetration of external moisture.05-31-2012
20120169221FIELD EMISSION DISPLAY - A field emission display includes an insulating substrate, a number of first electrode down-leads, a number of second electrode down-leads, and a number of pixel units. The first electrode down-leads are set an angle relative to the second electrode down-leads to define a number of cells. Each pixel unit is located in each cell and includes a cathode electrode, an electron emitter, an anode electrode, and a phosphor layer. The electron emitter is electrically connected to the cathode electrode. The anode electrode has a bearing surface inclined to the insulating substrate. The phosphor layer is located on the bearing surface.07-05-2012
20100052528Organic light emitting diode display, display device including the same, and associated methods - An organic light emitting diode (OLED) display, a display device including the same, and associated methods, the OLED display including a substrate member, an organic light emitting element on the substrate member, and a liquid crystal polymer layer on the organic light emitting element, wherein the liquid crystal polymer layer is configured to delay a phase of light passing therethrough.03-04-2010
20100264816DISPLAY DEVICE WITH POLYGONAL CHIPLETS - A display device includes a substrate having a display area; an adhesion layer formed on the substrate surface; a plurality of chiplets adhered to the substrate and distributed within the display area, each chiplet having one or more connection pads, wherein each chiplet has more than four sides; a plurality of pixels formed over the adhesion layer in the display area, each pixel having a bottom electrode electrically connected to a connection pad of one chiplet, one or more layers of light-emitting material formed over the bottom electrode, and a top electrode formed over the one or more layers of light-emitting material; and a cover located over the top electrode and adhered to the substrate.10-21-2010
20120256536PHOSPHINE OXIDE COMPOUND, ORGANIC ELECTROLUMINESCENCE ELEMENT, PRODUCTION METHOD AND USES THEREOF - A compound having a stable deposition rate suitable for forming an electron-transporting layer of an organic El element. The compound is represented by the following formula (1):10-11-2012
20120256537COMPOSITION AND LIGHT EMITTING ELEMENT USING THE COMPOSITION - A composition comprising (i) a crosslinkable polymer compound having a crosslinkable group and being capable of showing at least one of a light emitting property and charge transportability, and (ii) a crosslinkable low molecular weight compound having a crosslinkable group and being capable of showing at least one of a light emitting property and charge transportability.10-11-2012
20120187827Radiation-Emitting Device - A radiation-emitting device having comprising: a substrate (07-26-2012
20090021161ORGANIC ELECTROLUMINESCENT DEVICES INCORPORATING UV-ILLUMINATED FLUOROCARBON LAYERS - A simple and efficient method of increasing conductivity of the fluorocarbon film is disclosed. By illuminating the fluorocarbon film under ultraviolet light (UV-CFx), the film conductivity can be increased by five orders of magnitude. Devices using such a UV-treated, conductive fluorocarbon film as a buffer layer give much better performance in terms of lower operational voltage and enhanced operational stability. The improved smoothness and lowered hole injection barrier height with UV-CFx are responsible for the enhanced performance of electroluminescent devices.01-22-2009
20080297046Electrode, electronic device and method for manufacturing the same - Disclosed is an electrode having a transparent electrode layer, an opaque electrode layer formed on the transparent electrode layer and catalyst formed on an open surface on the transparent electrode layer, which open surface is not covered by the opaque electrode layer.12-04-2008
20100026179LIGHTING SYSTEM - It is an object of the present invention to provide a lighting system having favorable luminance uniformity in a light-emitting region when the lighting system has large area. According to one feature of the invention, a lighting system comprises a first electrode, a second electrode, a layer containing a light-emitting substance formed between the first electrode and the second electrode, an insulating layer which is formed over a substrate in a grid form and contains a fluorescence substance, and a wiring formed over the insulating layer. The insulating layer and the wiring are covered with the first electrode so that the first electrode and the wiring are in contact with each other.02-04-2010
20080252208OLED DEVICE WITH SHORT REDUCTION - In an OLED device having a substrate, a first electrode layer disposed over the substrate, an inorganic short reduction layer disposed over the first electrode layer, an organic electroluminescent medium disposed over the short reduction layer, and a second electrode layer over the electroluminescent medium, a feature is the inclusion of a mixture of ZnS, SiO10-16-2008
20080231180Light-Emitting Device With a Sealing Integrated Driver Circuit - The invention relates to light-emitting diodes (O-LED). In particular, it relates to the driver electronics needed for these devices. An organic electroluminescent device is provided, which has a hermetically closed very flat housing. To improve the functionality of an O-LED, considerably reduce the height of an O-LED module and allow a cost-effective mass production, the driver circuit and the electronic driver elements or the printed circuit board (PCH) with the electronic driver elements are incorporated into the cover plate of the device.09-25-2008
20110260606METHOD FOR MANUFACTURING DISPLAY AND DISPLAY - A display with: a plurality of lower electrodes formed over a substrate; an auxiliary electrode formed between the lower electrodes and having a film thickness which is less than a film thickness of the plurality of lower electrodes; an insulating film formed over the substrate and including openings that expose the lower electrodes and a connection hole that reaches the auxiliary electrode; a light-emitting functional layer formed on the lower electrodes exposed via the openings, the insulating film having a flat surface; and an upper electrode formed over the lower electrodes and connected to the auxiliary electrode via the connection hole.10-27-2011
20110273084LIGHT EMITTING DEVICE AND ELECTRONIC APPLIANCE USING THE SAME - A light emitting device comprises a pair of electrodes and a mixed layer provided between the pair of electrodes. The mixed layer contains an organic compound which contains no nitrogen atoms, i.e., an organic compound which dose not have an arylamine skeleton, and a metal oxide. As the organic compound, an aromatic hydrocarbon having an anthracene skeleton is preferably used. As such an aromatic hydrocarbon, t-BuDNA, DPAnth, DPPA, DNA, DMNA, t-BuDBA, and the like are listed. As the metal oxide, molybdenum oxide, vanadium oxide, ruthenium oxide, rhenium oxide, and the like are preferably used. Further, the mixed layer preferably shows absorbance per 1 μm of 1 or less or does not show a distinct absorption peak in a spectrum of 450 to 650 nm when an absorption spectrum is measured.11-10-2011
20110273083LIGHT-EMITTING DIODE DEVICE GENERATING LIGHT OF MULTI-WAVELENGTHS - The present invention relates to a method of manufacturing an LED device which emits light of multi-wavelengths. The invention also relates to a method of manufacturing LED devices which emit light of high quality from throughout the whole surface in a uniform manner. In particular, utilizing the manufacturing method of LED devices which emit light of multi-wavelengths makes it possible to produce LED devices of high quality in a simple and cost-efficient way, not by using adhesives, but by a sputtering or PLD method. In addition, since the characteristics of the desired emitted light can be controlled by controlling the amount and type of the phosphors during the manufacture of sputtering targets, high quality LED devices can be manufactured easily.11-10-2011
20080211399Organic electroluminescent display device and fabrication method thereof - An organic electroluminescent display device and fabrication method thereof is provided. The device includes a first substrate having at least one thin film transistor; an electroluminescent unit formed on the first substrate and electrically connect to the thin film transistor; a first protective layer formed on the electroluminescent unit; a second protective layer formed on the first protective layer; and a third protective layer formed on the second protective layer and in contact with the first protective layer. The device further comprises a second substrate sealed to the first substrate to form the electroluminescent unit between the first substrate and second substrate. In the device, the first protective layer comprising inorganic material, the second protective layer comprising organic material and the third protective layer comprising inorganic material are formed on the electroluminescent unit to reduce oxidation of electrodes by preventing infiltration of moisture.09-04-2008
20120019131Organic Optoelectronic Component - An organic, optoelectronic component (01-26-2012
20120086332MULTICOLOR LIGHT-EMITTING ORGANIC EL DISPLAY DEVICE AND METHOD OF MANUFACTURING MULTICOLOR LIGHT-EMITTING ORGANIC EL DISPLAY DEVICE - A multicolor light-emitting organic electroluminescent (EL) display device including a plurality of organic EL light-emitting regions including a red light-emitting layer, a green light-emitting layer, and a blue light-emitting layer on a main substrate includes: a magenta color filter, as a first light-adjusting layer, having predetermined transmission property for blue light and red light; and a second light-adjusting layer having predetermined absorption property for light with a wavelength intermediate between the red light and green light, wherein the magenta color filter is laid over the blue light-emitting layer, the red light-emitting layer, and a bank which is a non light-emitting region, and the second light-adjusting layer is laid over the blue light-emitting layer, the green light-emitting layer, the red light-emitting layer, and the bank which is the non light-emitting region.04-12-2012

Patent applications in class Plural layers

Patent applications in all subclasses Plural layers