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| Number | Title | Issue Date |
| 8058633 | Pulse width modulation signal generating device, image display apparatus including pulse width modulation signal generating device, and pulse width modulation signal generating method A pulse width modulation signal generating device which generates a pulse width modulation signal for modulating laser beam according to image data includes: a cycle signal output circuit which outputs a cycle signal having a cycle corresponding to a drawing rate fo... | 11/15/2011 |
| 7902533 | Light emitting device The invention has a monitoring portion which detects change of ambient temperature and degradation with time, provided with a plurality of monitoring pixels and a monitoring line. Each of the plurality of monitoring pixels has a light emitting element for monitoring... | 03/08/2011 |
| 7652274 | Optical device An optical device for use with an imaging device for taking photographic images of an object includes a light emitting element capable of emitting light, and a lens arranged so as to direct light from the light emitting element to illuminate the object. The light em... | 01/26/2010 |
| 7629601 | LED flasher A system and method for producing a flash of a desired intensity and duration utilizing devices of a lower intensity, such as light emitting diodes (LED's). The on period of the LED is lengthened so that the product of the LED's intensity and the on period is approx... | 12/08/2009 |
| 7442950 | Light emitting device The invention has a monitoring portion which detects change of ambient temperature and degradation with time, provided with a plurality of monitoring pixels and a monitoring line. Each of the plurality of monitoring pixels has a light emitting element for monitoring... | 10/28/2008 |
| 7439533 | Optical module and optical communication device An optical module includes a light emitting element, a connector part that supports one end of an optical fiber and optically couples the optical fiber to the light emitting element, and a monitoring light receiving element that has a characteristic to increase phot... | 10/21/2008 |
| 7417370 | OLED device having improved light output A bottom-emitting organic light-emitting diode (OLED) device, comprising: a transparent substrate; an optical isolation cavity formed over the substrate having a refractive index lower than the refractive index of the substrate; a transparent electrode formed over t... | 08/26/2008 |
| 7365368 | Surface-emitting type wafer and method for manufacturing the same, and burn-in method for surface-emitting type wafers To simplify the burn-in process and reduce its cost for a surface-emitting type wafer and its manufacturing method, and for a burn-in method for a surface-emitting type wafer. A surface-emitting type wafer includes a substrate 10 and a plurality of surface-em... | 04/29/2008 |
| 7355155 | Light emitting apparatus for medical applications A light emitting apparatus is disclosed for medical applications including photo-dynamic-therapy (PDT), photobiostimulation (photobiomodulation), photo-sterilization, and photo-curing. The light emitting apparatus comprises a plurality of semiconductor light emittin... | 04/08/2008 |
| 7323704 | Chip type led A chip type LED which is capable of laterally emitting light from the light emitting diode chip and having a relatively small thickness is provided. The chip type LED includes an insulating substrate 12, a light emitting diode chip 15 mounted on the up... | 01/29/2008 |
| 7319523 | Apparatus for a liquid chemical concentration analysis system An apparatus utilizes optical reflectivity (REF) to measure concentrations in liquids. The REF optical system is packaged in a compact and cost-effective form factor. An electronic circuit drives the optical system. The miniaturized REF sensor is situated in an opti... | 01/15/2008 |
| 7292519 | Optical head with lasers and mirrors in a recess formed in a substrate An integrated optical head records and reproduces information to and from optical discs of different types, including CD and DVD, with use of a single information recording/reproducing apparatus. The optical head has a plurality of semiconductor lasers of different ... | 11/06/2007 |
| 7268479 | Low cost lighting circuits manufactured from conductive loaded resin-based materials Lighting devices are formed of a conductive loaded resin-based material. The conductive loaded resin-based material comprises micron conductive powder(s), conductive fiber(s), or a combination of conductive powder and conductive fibers in a base resin host. The rati... | 09/11/2007 |
| 7268864 | Method for a liquid chemical concentration analysis system An apparatus utilizes optical reflectivity (REF) to measure concentrations in liquids. The REF optical system is packaged in a compact and cost-effective form factor. An electronic circuit drives the optical system. The miniaturized REF sensor is situated in an opti... | 09/11/2007 |
| 7196950 | Non-volatile semiconductor storage device performing ROM read operation upon power-on A power-on reset circuit has a power-on level detecting circuit which detects a power voltage to output a power-on reset signal and a delay circuit which delays the power-on reset signal output by the power-on level detecting circuit. Two chip address specifying pad... | 03/27/2007 |
| 7182496 | Multiple LED focused lighting device A multiple LED based lighting device for commercial indoor or outdoor architectural applications is disclosed. The lighting device uses multiple LEDs which are arranged in a symmetrical array in order to combine their light output. The LEDs are supported in a fixed ... | 02/27/2007 |
| 7183588 | Light emission device A light emission device. A lead frame comprises a first lead frame segment and a second lead frame segment. A light source is coupled to the first lead frame segment. A wire bond is coupled to the light source and coupled to the second lead frame segment. A transluc... | 02/27/2007 |
| 7177550 | On-axis laser receiver wavelength demultiplexer with integral immersion lensed detectors The present invention is directed to a laser communication receiver for wireless optical communication. A laser communication receiver includes a diffractive optical element to permit detectors at different spatial locations to detect different wavelengths of the op... | 02/13/2007 |
| 7154127 | Semiconductor light emitting device A semiconductor laminating portion including a light emitting layer forming portion having at least an n-type layer and a p-type layer is formed on a semiconductor substrate. A current blocking layer is partially formed on its surface. A current diffusing electrode ... | 12/26/2006 |
| 7154155 | Wing-shaped surface mount package for light emitting diodes A surface mounted LED package includes a pair of metal contact plates, an LED mounted to one (or both) metal contact plates, and glue encapsulating the LED and holding the LED and both metal contact plates together to form a LED package to be soldered to a motherboa... | 12/26/2006 |
| 7148515 | Light emitting device having integrated rectifier circuit in substrate A LED-based light emitting device having integrated rectifier circuit driven directly by an AC voltage and a related fabrication method is provided herein. The light emitting mainly contains a lower substrate and an upper substrate. The lower substrate has a built-i... | 12/12/2006 |
| 7115888 | LED driving semiconductor circuit and LED driving apparatus including the same A LED driving semiconductor circuit of the present invention includes a first input terminal connected to a light-emitting diode, a switching device block having a first FET and a first switching device, a reference voltage terminal which is connected to the first F... | 10/03/2006 |
| 7112825 | Semiconductor light emitting device A semiconductor laminating portion including a light emitting layer forming portion having at least an n-type layer and a p-type layer is formed on a semiconductor substrate. A current blocking layer is partially formed on its surface while a current diffusing elect... | 09/26/2006 |
| 7109051 | Method of integrating optical devices and electronic devices on an integrated circuit A method for integrating an optical device and an electronic device on a semiconductor substrate comprises forming openings within an active semiconductor layer in a first region of the semiconductor substrate, wherein the first region corresponds to an electronic d... | 09/19/2006 |
| 7109664 | LED light with blaze-like radiance effect This invention concerns a LED light which emits blaze-like radiance comprising a negative prop stand, with one end extending to a negative receiver which can connect to the negative power supply, a positive prop stand with one end extending to a positive receiver wh... | 09/19/2006 |
| 7095267 | MOSFET drive circuit, programmable power supply and semiconductor test apparatus In a programmable power supply used in a semiconductor test apparatus, high-speed switching of a large current in a current rage or an output relay is enabled. In a MOSFET drive circuit 22 of a switch portion 20 provided in a programmable power supply ... | 08/22/2006 |
| 7095334 | Strip LED light assembly for motor vehicle A light emitting diode (LED) warning signal light, the warning signal light comprising a plurality of light sources constructed and arranged with a reflector or cullminator, the LED light source being in electrical communication with a controller and a power supply,... | 08/22/2006 |
| 7064674 | Replaceable LED modules A modular warning signal light system comprising at least one support. The at least one support having at least one module receiving port. The module receiving ports constructed and arranged to removably receive the support engagement member of a module. Each module... | 06/20/2006 |
| 7046160 | LED warning light and communication system A light emitting diode (LED) warning signal light and communication device comprising a controller for generating a first observable light signal and a second non-observable light signal within said first light signal. The second light signal is formed of packets of... | 05/16/2006 |
| 7038593 | Strip LED light assembly for motor vehicle A light emitting diode (LED) warning signal light, the warning signal light comprising a plurality of light sources constructed and arranged with a reflector or cullminator, the LED light source being in electrical communication with a controller and a power supply,... | 05/02/2006 |
| 7015812 | Sound protecting headset with proximity collision avoidance protection A proximity warning system is disposed in a sound protecting earmuff-type headset or other means of providing acoustic ear protection. The ear protector prevents the user from hearing damage from high levels of ambient sound and would otherwise generally make the us... | 03/21/2006 |
| 7005646 | Stabilized scintillation detector for radiation spectroscopy and method In a preferred embodiment, a stabilized scintillation detector, including: an LED that periodically produces a light pulse; a beam splitter that impinges some of the light pulse on a photodetector and on a photomultiplier; a scintillator that receives radiation and ... | 02/28/2006 |
| 6979582 | Vertical-cavity surface emitting laser diode and method for producing the same The present invention provides a vertical-cavity surface emitting laser (VCSEL) diode and a method for producing the same. In this method, an n-type and a p-type ohmic contact electrodes are previously disposed, and then two pairs of distributed Bragger reflectors (... | 12/27/2005 |
| 6966668 | Wearable light device with optical sensor Wearable light device for providing additional light for activities in low light includes a wearable mount (20) including a light system (30) and power source (40). Light system (30) includes one or more arrays of light sources such as li... | 11/22/2005 |
| 6956322 | Semiconductor light emitting device with stacked light emitting elements A light emitting device which can be easily manufactured and can control the positions of light emission precisely, and an optical device. A first and second light emitting elements are formed on one face of a supporting base. The first light emitting element has an... | 10/18/2005 |
| 6947453 | Tunable diffractive device In a tunable optical source, a zone plate device 100 is used to provide frequency selective feedback to a laser diode 110. The zone plate device 100 is positioned to receive an output mode of the laser diode 110 and to return a frequency ... | 09/20/2005 |
| 6707021 | Transparent medium processing device The transparent medium processing device comprises: a light control section 2 for performing variable control for the status of the laser beam emitted from the light source section 1, and a light status measurement section 4 for measuring the st... | 03/16/2004 |
| 6628249 | Light emitting apparatus, method for driving the light emitting apparatus, and display apparatus including the light emitting apparatus A light emitting apparatus comprises a light emitting section for emitting light, a color of the light being changed with a value of a driving current, and a driving section for driving the light emitting section so that the light emitting section emits l... | 09/30/2003 |
| 6597018 | Semiconductor light emitter and flat panel display lighting system A flat panel display lighting system 20 includes: semiconductor light-emitting device 10; board 21; and light guide plate 22. The device 10 includes an inverted T-shaped substrate 1 having a base portion 1a, on which a pair of electrodes 2 and 3 are forme... | 07/22/2003 |
| 6483100 | Photonic device Silicon possesses an indirect band-gap, which limits its use in some photonic applications. A phonon generator is included in a silicon-based device, which promotes electron-hole recombination and so allows silicon to emit photons efficiently. Phonons may... | 11/19/2002 |
