Class / Patent application number | Description | Number of patent applications / Date published |
362552000 | With intensity control | 18 |
20080278963 | LIGHT SOURCE DEVICE AND ENDOSCOPE DEVICE - A light source device includes a light source, a diaphragm blade for adjusting light quantity of illumination light supplied from the light source, a diaphragm driving part for driving the diaphragm blade to perform opening/closing operation, and a diaphragm control circuit part for setting diaphragm drive instruction voltage to be supplied to the diaphragm driving part and control an opening/closing amount of the diaphragm blade. In the diaphragm control circuit part, a fully-opened voltage and a fully-closed voltage at the time the diaphragm blade is fixed at a fully-opened position and a fully-closed position are read, based on the voltages, adjustment data for adjusting the diaphragm drive instruction voltage and the opening/closing positions of the diaphragm blade is set, and based on the adjustment data, a control range of the diaphragm drive instruction voltage is regulated. | 11-13-2008 |
20090231877 | THIN LIGHT BAR AND METHOD OF MANUFACTURING - Various embodiments disclosed herein comprise a display device comprising a plurality of spatial light modulators and an illumination apparatus. The illumination apparatus comprising a light bar that guides light along a length thereof and turning microstructure disposed on top or bottom of the light bar. The turning microstructure directs the light out a side of the light bar. The illumination apparatus further comprises a light guide panel disposed with respect to the side of the light bar such that the light from the light bar is coupled to the light guide panel. The light guide panel is configured to direct the light coupled therein out of the light guide panel. The plurality of light modulators disposed with respect to the light guide panel to receive the light directed out of the light guide panel. | 09-17-2009 |
20110032724 | LIGHT EMITTING DEVICE AND METHOD FOR MANUFACTURING SAME, LIGHTING FIXTURE, AND LIGHTING SYSTEM - A light emitting device includes: a light emitting element; a substrate including a groove-like light guide extending along a first direction, emission light emitted from the light emitting element and introduced into the light guide being reflected by an inner wall surface of the light guide, spreading along the first direction, and being turned into upward light directed upward above the substrate; and a lens provided above the light guide and configured to collect the upward light and control light distribution characteristic in a plane generally perpendicular to the first direction. | 02-10-2011 |
20110096563 | METHOD, DEVICE, AND SYSTEM FOR CONTROLLING ENCIRCLED FLUX - A light module, a fiber optic connector, and a system that each include a screw in communication with an optical fiber that is movable such that the optical fiber may be deformed to a desired level in order to control encircled flux by extinguishing undesired modes of light launched through the optical fiber. | 04-28-2011 |
20120140511 | Method and system for correcting an optical beam - Embodiments of the present invention provide a system and method for shaping an annular focal spot pattern to allow for more efficient optical coupling to a small gauge optical fiber. An embodiment of the present invention can include an illumination source operable to transmit an optical beam along an optical path, an optical fiber, and a correcting element positioned in the optical path between the illumination source and the optical fiber, the correcting element configured to reshape the optical beam to increase an amount of light received by the optical fiber. | 06-07-2012 |
20120212971 | LIGHTING DEVICE - A lighting device comprising a plurality of light emitting elements ( | 08-23-2012 |
20120275178 | LIGHT-COUPLING OPTICAL SYSTEMS AND METHODS EMPLOYING LIGHT-DIFFUSING OPTICAL FIBERT - Light-coupling systems and methods that employ light-diffusing optical fiber are disclosed. The systems include a light source and a light-diffusing optical fiber optically coupled thereto. The light-diffusing optical fiber has a core, a cladding and a length. At least a portion of the core comprises randomly arranged voids configured to provide substantially spatially continuous light emission from the core and out of the cladding along at least a portion of the length. A portion of the light-diffusing optical is embedded in an index-matching layer disposed adjacent a lower surface of a transparent sheet. Light emitted by the light-diffusing optical fiber is trapped within the transparent sheet and index-matching layer by total internal reflection and is scattered out of the upper surface of the transparent sheet by at least one scattering feature thereon. | 11-01-2012 |
20120327680 | REFLECTOR SIGNAL LAMP HAVING A HIDDEN LIGHT SOURCE - A signal lamp for a front and rear lighting of a vehicle includes at least one light source for emitting light, wherein the at least one light source is hidden from view; a reflector for reflecting the light emitted by the at least one light source away from the vehicle; and at least one light guide disposed between the reflector and a cover of the signal lamp, the at least one light guide having a first end and a second end, wherein the first end is disposed adjacent the at least one light source and the second end is located adjacent a focus point of the reflector. | 12-27-2012 |
20130229822 | BACKLIGHT MODULE HAVING OPTCIAL FIBER - A backlight module includes a back cover, a light source located on the back cover, an optical fiber located on the back cover and over the light source and having a light-incident hole facing the light source and a plurality of light-emergent windows opposite to the light-incident hole. A plurality of light shutters correspondingly covers the light-emergent windows. A controlling device is provided for controlling the open and close of the light shutters. Light emitted from the light source and entering the optical fiber is permitted to leave the optical fiber from the light-emergent windows whose light shutters are opened. The light is not permitted to leave the optical fiber from the light-emergent windows whose light shutters are closed. | 09-05-2013 |
20130242595 | SOLID STATE LIGHT SOURCE WITH HYBRID OPTICAL AND ELECTRICAL INTENSITY CONTROL - A solid state illumination system is provided as a replacement for conventional arc light, metal halide and Xenon light sources for applications in microscopy, fluorescence microscopy, and endoscopy. The illumination system includes hybrid optical and electrical control of output intensity in which the light output of one or more of the light sources is attenuated optically such that it is not necessary to reduce the electrical drive power/current of the LEDs at a level where the spectral power distribution is variable. One or more fixed, selectable, or variable neutral density filters is interposed in the output beam of one or more sources to achieve optical attenuation of the light output. The hybrid optical and electrical control of output intensity allows greater dynamic range of intensity to be achieved than could be achieved with electrical control of the LEDs alone while maintaining the desired spectral power distribution. | 09-19-2013 |
20130335992 | SOLID STATE LIGHT SOURCE FOR PHOTOCURING - A compact passively-cooled solid state illumination system is provided as a replacement for conventional arc light, metal halide and Xenon white-light sources for photocuring applications. The solid state illumination system utilizes LED modules to generate high intensity light output suitable for photocuring. The light output is continuous in the visible spectrum from 380 nm to 530 nm and is suitable for photocuring using a wide range of photoinitiators. A touchscreen interface allows programming of spectral output, intensity and duration. Output can be initiated using the touchscreen interface and/or a foot pedal. | 12-19-2013 |
20140016345 | ILLUMINATION SYSTEM - An illumination system includes a light source device configured by an excitation light source, a light guiding member and a wavelength converter that are connected in order, and an operation check device. The system further includes: a connector configured to directly and physically connect the operation check device to a light signal emitting end which includes the wavelength converter; a detector configured to detect a light signal emitted from the light signal emitting end when the light signal emitting end and the operation check device are connected by the connector; and an operation determiner configured to determine the operations of the excitation light source, the light guiding member, and the wavelength converter by a detection result in the detector. | 01-16-2014 |
20140169022 | FIXING DEVICE AND DISPLAY HAVING THE FIXING DEVICE - The fixing device of the present invention comprises a base, at least one light guide pillar, and at least one light-blocking element. The base comprises at least one through hole, which obliquely penetrates the base. The at least one light guide pillar is disposed on the base. The at least one light-blocking element corresponds to the at least one through hole; therefore, when the at least one light-blocking element passes through the at least one through hole, the base and the light guide pillar are fixed by the at least one light-blocking element. | 06-19-2014 |
20140218955 | ILLUMINATED MOLDINGS WITH INTEGRATED CONTROL - Illuminated moldings with integrated control are provided. The illuminated moldings with integrated control use low voltages, are energy efficient and easy to install and use. The illuminated moldings with integrated control may be attached to various surfaces of different objects. The illuminated molding is insulated and does not carry electricity, and can be placed under water with never a risk of shock even if something damages or cuts the molding. Further, the illuminated moldings with an integrated control allow a user to control various illumination characteristics and effects such as the turn on or turn off time, the color, the brightness, the transition between various operation modes. The integrated control may be wired or wireless. | 08-07-2014 |
20140241003 | MOUNTING DEVICE FOR A SANITARY ELEMENT - A mounting device ( | 08-28-2014 |
20150062954 | PHOSPHOR PRINTING ON LIGHT DIFFUSING FIBER BASED TEXTILE - A luminary fabric, useful for a variety of applications including signage, has at least one light-diffusing optical fiber woven, knitted, crocheted or otherwise integrated into the fabric. The light-diffusing optical fiber is coupled to at least one light source such as a laser or a light emitting diode. At least one coating is applied over at least a section of the outer surface of the optical fiber along its length. The coating contains at least one luminophore that absorbs energy from the light source and luminesces at a different higher wavelength. Multiple coatings containing one or more luminophores, one or more pigments, and/or one or more dyes may be employed to provide a variety of interesting visual effects. | 03-05-2015 |
20150377435 | ILLUMINATION APPARATUS USING SUNLIGHT - An illumination apparatus includes a sunlight guide member, a light emitting device, a wavelength converting element, a fiber-optic light guide connecting the light emitting device and the wavelength converting element, and a lighting control system for controlling the light emitting diode. The sunlight guide member is provided to guide outdoor sunlight to an indoor area. The light emitting device is provided for generating light having a first wavelength range along a beam path. The wavelength converting element is disposed in the beam path and physically separated from the light emitting device. The wavelength converting element converts the light emitted by the light emitting device with the first wavelength range into light having a second wavelength range. The lighting control system is configured to detect an intensity of the outdoor sunlight and to control radiance of the light emitting device according to the detected intensity of the outdoor sunlight. | 12-31-2015 |
20160103261 | OPTICAL FIBER ILLUMINATION SYSTEMS PRODUCING COLOR MOVEMENT - An illumination system configured to produce color movement along the length of an optical fiber. The system can include a light-diffusing optical fiber having a first input end and a second input end, a glass core, a cladding surrounding the glass core, and an outer surface. Nano-sized structures are situated within the glass core or at the core-cladding boundary in order to scatter light. A first light source is optically coupled to the first input end, and a second light source is optically coupled to the second input end. A color variation forms within the optical fiber at the junction of the light emitted from each end of the fiber, and adjusting the intensity of light emitted from one or more of the first light source and the second light source causes the location of the color variation to move along the length of the optical fiber. | 04-14-2016 |