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| Number | Title | Issue Date |
| 7429757 | Semiconductor light emitting device capable of increasing its brightness A semiconductor light emitting device comprises a metallic support plate 1; a light-reflective reflector 3 mounted on the support plate 1 and formed with a hole 3a; a semiconductor light emitting element 2 mounted on the sup... | 09/30/2008 |
| 7425729 | LED backlight unit An LED backlight unit includes a light source; a board including a circuit pattern printed on an underside thereof, and having at least one mounting hole perforated therein where the light source is inserted; a metal chassis having an inside surface on which an unde... | 09/16/2008 |
| 7420222 | Light emitting diodes including transparent oxide layers Light emitting diodes include a substrate having first and second opposing faces and that is transparent to optical radiation in a predetermined wavelength range and that is patterned to define, in cross-section, a plurality of pedestals that extend into the substra... | 09/02/2008 |
| 7399994 | Transparent electrode A transparent electrode for use in a gallium nitride-based compound semiconductor light-emitting device having an emission wavelength of 440 nm or less, includes a metal layer disposed in contiguity to a p-type semiconductor layer and a current diffusion layer dispo... | 07/15/2008 |
| 7385228 | Semiconductor light-emitting element and light-emitting device A semiconductor light-emitting element has a laminated section which has an active layer made of a semiconductor, and first and second clad layers each being disposed to sandwich the active layer and made of a semiconductor, a pair of first high-reflection layers ea... | 06/10/2008 |
| 7375382 | Direct optical light guide An optical light guide has a substantially rigid light transmissive body having an input window, a distal end, a front side, and a rear side. The light transmissive body has a substantially smooth exterior surface on the front side and a substantially clear and soli... | 05/20/2008 |
| 7358599 | Optical semiconductor device having a lead frame and electronic equipment using same An optical semiconductor device 1a includes a lead frame 4 having an aperture 7, a submount 8 disposed on one surface of the lead frame 4 to close the aperture 7, a semiconductor optical element 3 which has an ... | 04/15/2008 |
| 7338823 | Side-emitting LED package and manufacturing method of the same The invention relates to a side-emitting LED package and a manufacturing method of the same. The invention provides a side-emitting LED package for emitting light from a light source sideward including a substrate with an electrode formed thereon. The package also i... | 03/04/2008 |
| 7335916 | Electrode structure, and semiconductor light-emitting device having the same A semiconductor light emitting device comprising: a transparent substrate; an electron injection layer of N-type GaN-based semiconductor; an active layer on the electron injection layer; a hole injection layer of P-type GaN-based semiconductor on the active layer; a... | 02/26/2008 |
| 7319248 | High brightness light emitting diode The present invention discloses a high brightness light emitting diode. The light emitting diode primarily includes a permanent substrate, a reflective mirror formed on said permanent substrate, an n-type cladding layer formed on said reflective mirror, and defining... | 01/15/2008 |
| 7319247 | Light emitting-diode chip and a method for producing same An LED chip comprising an electrically conductive and radioparent substrate, in which the epitaxial layer sequence (3) is provided on substantially the full area of its p-side (9) with a reflective, bondable p-contact layer (6). The substrate ( | 01/15/2008 |
| 7294866 | Flip-chip light-emitting device with micro-reflector A Flip-chip light-emitting device with integral micro-reflector. The flip-chip light-emitting device emits reflected light provided by a light-emitting layer. The micro-reflector reflects light that might otherwise be lost to internal refraction and absorption, so a... | 11/13/2007 |
| 7291865 | Light-emitting semiconductor device A flip-chip type of Group III nitride based compound semiconductor light-emitting device comprises a transparent conductive film 10 made of ITO on a p-type contact layer. On the transparent conductive film, an insulation protection film 20, a reflectio... | 11/06/2007 |
| 7279719 | Light emitting diode A counter reflecting surface is provided opposite to a light emitting element in its light emitting surface. A side reflecting member having an inclined reflecting surface is provided apart from and so as to surround the light emitting element. A phosphor layer is p... | 10/09/2007 |
| 7274044 | Light emitting device It is an object of the present invention to provide an active matrix light emitting device which can efficiently prevent a diffusion of impurities from a substrate to a transistor, as well as reducing a reflection of light in a process of extracting light toward the... | 09/25/2007 |
| 7265383 | Light emitting device The invention provides a light emitting device which is capable of displaying on both sides, has a small volume, and is capable of being used as a module. A light emitting element represented by an EL element and the like is used in a pixel portion, and two pixel po... | 09/04/2007 |
| 7250637 | Card type LED illumination source An LED illumination source comprises a heat dissipating substrate which includes a metal plate and at least two insulating layers thereon. LEI) bare chips are mounted on a surface of the substrate. An optical reflector with holes surrounds the LED bare chips. The op... | 07/31/2007 |
| 7238967 | Light emitting diode A light emitting diode comprising: a base substrate having a pair of electrodes; a reflection cup installed on the base substrate; a light emitting element arranged at a bottom of the reflection cup; and a resin sealant enclosing the light emitting element; wherein ... | 07/03/2007 |
| 7235878 | Direct cooling of LEDs A thermal management system is provided for semiconductor devices such as an LED array, wherein coolant directly cools the LED array. Preferably, the coolant may be selected, among other bases, based on its index of refraction relative to the index associated with t... | 06/26/2007 |
| 7235816 | Semiconductor light emitter A semiconductor light emitter includes a quantum well active layer which includes nitrogen and at least one other Group-V element, and barrier layers which are provided alongside the quantum well active layer, wherein the quantum well active layer and the barrier la... | 06/26/2007 |
| 7223619 | VCSEL with integrated lens A wafer-level device fabrication process forms standing structures around emitting areas of multiple VCSELs. The standing structures can be shaped to hold ball lenses or other optical elements for respective VCSELs or can include platforms on which optical elements ... | 05/29/2007 |
| 7217947 | Semiconductor light source and method of making A solid state light emitting device having a plurality of semiconductor finger members with side walls perpendicular to a substrate. Multiple quantum wells are formed on the side walls, and are also perpendicular to the substrate. Each multiple quantum well is sandw... | 05/15/2007 |
| 7141825 | Semiconductor light emitting device capable of suppressing silver migration of reflection film made of silver A luminous lamination structure includes a first layer made of n-type nitride semiconductor and a second layer made of p-type nitride semiconductor and disposed over the first layer wherein a luminous region is defined between the first and second layers. The second... | 11/28/2006 |
| 7138662 | Light-emitting device A light-emitting device including: a semiconductor light-emitting element using a substrate surface as a light-extracting surface; and a mount frame on which the semiconductor light-emitting element is mounted and which has a reflecting portion for reflecting light ... | 11/21/2006 |
| 7129528 | Electromagnetic radiation emitting semiconductor chip and procedure for its production Semiconductor chip which emits electromagnetic radiation, and method for fabricating it. To improve the light yield of semiconductor chips which emit electromagnetic radiation, a textured reflection surface (131) is integrated on the p-side of a semiconductor... | 10/31/2006 |
| 7109529 | Light-emitting semiconductor device using group III nitride compound A flip chip type of light-emitting semiconductor device using group III nitride compound includes a thick positive electrode. The positive electrode, which is made of at least one of silver (Ag), rhodium (Rh), ruthenium (Ru), platinum (Pt) and palladium (Pd), and an... | 09/19/2006 |
| 6700137 | Light emitting diode device A light emitting diode device has a reflector member having an approximately semispherical recess. A reflector surface is provided on an inner surface of the recess and a light emitting diode is provided in the recess. The light emitting diode is located ... | 03/02/2004 |
| 6670648 | Semiconductor light-emitting device having a reflective case A semiconductor light-emitting device has a semiconductor light-emitting element 3 mounted on an electrode 2 formed on a surface of an insulating substrate 1, and has a reflective case 5 provided on the insulating substrate 1 so as to reflect the light fr... | 12/30/2003 |
| 6666567 | Methods and apparatus for a light source with a raised LED structure A light source incorporates light emitting diodes (LEDs). The LEDs may be raised off the floor of the optical cavity to permit light to be emitted from the base of the LED. Additionally, a reflective protrusion may be placed beneath the raised LED to aid ... | 12/23/2003 |
| 6641287 | Reflective type light-emitting diode In a light source of a reflective type LED, a light-emitting element is mounted on the bottom surface of a concave reflecting mirror. Accordingly, light emitted horizontally from the light-emitting surface of the light-emitting element is also reflected b... | 11/04/2003 |
| 6638780 | Method for manufacturing light emitting diode devices A plurality of LEDs are mounted on a substrate aggregation, a transparent layer is formed on the substrate aggregation. The transparent layer between adjacent divisions is removed to form an individual transparent layer and to form a groove around the ind... | 10/28/2003 |
| 6627922 | Chip-type semiconductor light emitting device On a rectangle-shaped insulation substrate (1) on which a pair of electrodes (2) and (3) are provided, a light emitting element chip (4) having an n-side electrode (41) and a p-side electrode (42) connected to the pair of electrodes respectively is provid... | 09/30/2003 |
| 6617615 | Semiconductor light-emitting device Attempted is to provide a semiconductor light-emitting device capable of inexpensively coping with an encoder requiring high resolving power. Provided are a semiconductor light-emitting element, a light-transmissive resin mold part encapsulating the semic... | 09/09/2003 |
| 6614103 | Plastic packaging of LED arrays There is provided a flexible circuit module, including at least one rigid carrier, at least one solid state device mounted over a first side of the at least one rigid carrier, a flexible base supporting a second side of the at least one rigid carrier, a c... | 09/02/2003 |
| 6607286 | Lens and lens cap with sawtooth portion for light emitting diode A lens mounted to a light emitting diode package internally redirects light within the lens so that a majority of light is emitted from the lens approximately perpendicular to a package axis of the light emitting diode package. In one embodiment, the ligh... | 08/19/2003 |
| 6578989 | Optical device for an optical element and apparatus employing the device An optical device for an optical element to control a light path about emission light emitted from the optical element to external or incident light entered from external to the optical element, which includes a light reflecting member, a resin member cov... | 06/17/2003 |
| 6573653 | Chip semiconductor light-emitting device A chip light-emitting device includes a baseboard LED elements different in color of emission light are respectively mounted on two electrodes formed on a surface of the baseboard. A reflector has an aperture in an oval form as viewed in plan and placed o... | 06/03/2003 |
| 6573537 | Highly reflective ohmic contacts to III-nitride flip-chip LEDs An inverted III-nitride light-emitting device (LED) with highly reflective ohmic contacts includes n- and p-electrode metallizations that are opaque, highly reflective, and provide excellent current spreading. The n- and p-electrodes each absorb less than... | 06/03/2003 |
| 6552368 | Light emission device A light emission device includes a light emitter, a light reflection member, and a resin sealing the light emitter by covering the light reflection member and the light emitter, in which light deviated from a predetermined front region in the light emitte... | 04/22/2003 |
| 6548832 | Hybrid integrated circuit device In a light irradiation device in which a light emitting element is attached to a printed circuit board, the heat radiation properties are enhanced, and improvement of the light emitting efficiency and reduction of the size and weight are realized. A Cu pa... | 04/15/2003 |
