Class / Patent application number | Description | Number of patent applications / Date published |
372500230 | Having lens | 25 |
20080205470 | MONOLITHIC LIGHTING DEVICE - A monolithic lighting device is disclosed. According to an embodiment of the present invention, the monolithic lighting device includes a monolithic lens, refracting a two-dimensional beam of light transferred from an outside and condensing the refracted beam into a one-dimensional beam. The monolithic lens has a first refraction surface, refracting the two-dimensional beam of light transferred from the outside to be diffused inside the monolithic lens, and a second refraction surface, converting the two-dimensional beam diffused in the first refraction surface into a one-dimensional beam by refracting the two-dimensional beam into a parallel beam to the outside if viewed from a side and condensing the refracted beam on a focal point at a distance outside if viewed from another side. | 08-28-2008 |
20080232420 | Light Emitting Diodes and Lasers Diodes with Color Converters - The present invention relates to a light emitting diode (LED) or a laser diode ( | 09-25-2008 |
20080273568 | Beam combiner for a multicolor laser display - A beam combiner is specified for a multicolor laser display having an optical light source ( | 11-06-2008 |
20090003400 | Light-emitting device - In a semiconductor light-emitting device, light from a laser diode is output to the outside after the luminance of the light being enhanced. It includes a support body provided with lead terminals, one or more laser diodes mounted on the support body, a cylindrical reflector fixed to the support body to surround the laser diode(s) and provided with a light reflection surface formed on an inner surface thereof, and a cap placed to cover an opening distal end face of the reflector and held at an opening distal end part of the reflector, the cap being provided at a central part thereof with a solid fluorescent member including a fluorescent substance that is excited by the light from the laser diode and emits light different in colors from light emitted by the laser diode. | 01-01-2009 |
20090010296 | Optical transceiver module and method for manufacturing same - An optical transceiver module and a method for manufacturing thereof, which are adopted for providing a reduced manufacturing cost and an improved signal quality, are achieved. The optical transceiver module | 01-08-2009 |
20090059990 | External Cavity semiconductor laser - An external cavity semiconductor laser is provided with a first input-output section | 03-05-2009 |
20090129421 | SEMICONDUCTOR LASER DIODE - In an edge emitting laser having a window region with a ridge-waveguide structure, particularly, in a short cavity type of a laser operated with a low current, there has been a problem of its operating current being increased due to current leakage of the window portion. To solve this problem, in the window region, between an n-type substrate and a p-type cladding layer, a semi-insulating semiconductor layer into which Ru is doped is inserted. Alternatively, a stacked structure of a Ru-doped layer and a Fe-doped layer is introduced. | 05-21-2009 |
20090268772 | Semiconductor laser apparatus - A wavelength variable laser smaller in size than the conventional one can be achieved by arranging a gain chip, an etalon filter and a fifth reflective mirror on an AlN submount and longitudinally integrating the gain chip in which a 45° mirror and a lens are integrated and the etalon filter. A laser cavity has a structure in which light passes through an active layer from a first reflective mirror realized by an end surface of the gain chip, is reflected by the 45° mirror at an angle of 90° and then passes through the lens. The light having passed through the lens is converted into parallel light, passes through the etalon filter and reaches the fifth reflective mirror and is then reflected. The reflected light returns through the same optical path and reaches the first reflective mirror realized by the end surface of the gain chip. | 10-29-2009 |
20100061418 | Mounting surface-emitting devices - An optical emitter assembly is described in which one or more optical devices each having an emitting aperture at a surface thereof can be mounted on a carrier such that the plane of the emitting apertures with respect to a well defined reference plane can be precisely controlled. This enables additional optical elements to be precisely axially and laterally positioned with respect to the centre of the emitting apertures, even when there are plural optical devices of differing thicknesses. The assembly may comprise a surface-emitting optical device having an emission surface providing an optical output aperture; a carrier having first and second opposing surfaces, the first surface being a reference surface on which the optical device is mounted by its emission surface and the second surface being a back surface, the carrier having an aperture extending between the reference and back surfaces, the optical device being positioned on the reference surface such that its optical output aperture is in overlying relation with the carrier aperture to direct optical radiation therethrough. | 03-11-2010 |
20100091811 | Low Cost InGaAlN Based Lasers - A method and structure for producing lasers having good optical wavefront characteristics, such as are needed for optical storage includes providing a laser wherein an output beam emerging from the laser front facet is essentially unobstructed by the edges of the semiconductor chip in order to prevent detrimental beam distortions. The semiconductor laser structure is epitaxially grown on a substrate with at least a lower cladding layer, an active layer, an upper cladding layer, and a contact layer. Dry etching through a lithographically defined mask produces a laser mesa of length l | 04-15-2010 |
20100150200 | NOVEL METHOD TO OPTIMIZE MICRO-OPTIC LENS IN LED FLASHLIGHT APPLICATION - A micro-optic lens is disclosed. The micro-optic lens includes a substrate; and a lens element on the substrate, wherein the lens element includes a flat surface and an annularly grooved surface including first facets and second facets, and wherein the first facets collimate a light effectively and the second facets are parallel to a light. The micro-optic lens can decrease the draft loss and collimate the emitted light beams to increase the light efficiency. Further, the present invention also provides a method for designing angles of micro-optic lenses. | 06-17-2010 |
20100226406 | SILICON OPTICAL PACKAGE WITH 45 DEGREE TURNING MIRROR - An optical package includes a sub-mount, an edge-emitting laser mounted on the sub-mount, a collimating ball lens mounted on the sub-mount adjacent to the edge-emitting laser, a mirror mounted on the sub-mount adjacent to the collimating ball lens. The sub-mount is made of a bottom wafer. A lid is bonded to the sub-mount to form the laser package. The lid is made of a middle wafer bonded to a top wafer. The middle wafer defines an opening that accommodates the edge-emitting laser, the collimating ball lens, and the mirror. The opening is defined by vertical sidewalls. The top wafer further includes a lens above the mirror. | 09-09-2010 |
20100246628 | SEMICONDUCTOR LIGHT-EMITTING DEVICE - Disclosed is a semiconductor light-emitting device including a package having a light outlet, a semiconductor laser diode disposed in the package and radiating a light having a first wavelength falling within a range of ultraviolet ray to visible light, and a visible-light-emitter containing a phosphor which absorbs a light radiated from the semiconductor laser diode and emits a visible light having a second wavelength differing from the first wavelength, the visible-light-emitter being disposed on an optical path of the laser diode and a peripheral edge of the visible-light-emitter being in contact with the package. | 09-30-2010 |
20100265983 | SURFACE EMITTING LASER MODULE AND VERTICAL ILLUMINATED PHOTODIODE MODULE - In order to provide a compact optical module permitting highly efficient optical coupling and having components thereof highly densely packaged, a light emitting diode that is included in the optical module and emits light in a vertical direction with respect to a principal surface of a semiconductor substrate is provided with a lens integrated into a light emitting region, and a retaining section integrated to surround the light emitting region. Accordingly, readiness in alignment of the light emitting diode and an optical fiber, which guides light emitted from the light emitting diode, with each other is upgraded. Eventually, the compact optical module permitting highly efficient optical coupling and having components thereof highly densely packaged can be provided. | 10-21-2010 |
20110206083 | SEMICONDUCTOR LASER APPARATUS - This invention relates to semiconductor laser apparatus with a structure for reducing the divergence angle of output light and for narrowing the spectral width. The semiconductor laser apparatus has at least a semiconductor laser array, a collimator lens, a path rotator, and an optical element with a reflecting function. The collimator lens collimates a plurality of laser beams from the semiconductor laser array, in a predetermined direction. The path rotator outputs each beam collimated in the predetermined direction, with a predetermined divergence angle in the predetermined direction in a state in which a transverse section of the beam is rotated by about 90°. The optical element is arranged at a position where at least a part of each beam from the path rotator arrives, and constitutes at least a part of an external resonator. This optical element reflects a part of each beam from the path rotator to return the reflected part of each beam to the active layer in the semiconductor laser array. | 08-25-2011 |
20120057613 | LASER ANNEALING METHOD AND LASER ANNEALING DEVICE - The energy distribution in the short-side direction of a rectangular laser beam applied to an amorphous semiconductor film (amorphous silicon film) is uniformized. It is possible to the energy distribution in the short-side direction of the rectangular laser beam by the use of a cylindrical lens array | 03-08-2012 |
20120128021 | LIGHT EMITTING DEVICE AND PACKAGE COMPONENT - A light emitting device includes a light emitting element mounting component, including a cubic package component formed of a silicon member covered with a insulating layer, and the package component including a bottom portion, a sidewall portion provided to stand upright on both ends of the bottom portion respectively, and a backwall portion provided to stand upright on an innermost part of the bottom portion, and the package component in which a cavity is provided in an inner side, and a light emitting element mounted on an inner side surface of the backwall portion of the package component, and including a light emitting surface on an upper end part, wherein a plurality of said light emitting element mounting components are stacked in a depth direction of the cavity to direct toward an identical direction. | 05-24-2012 |
20120147919 | SURFACE PROFILE INSPECTION DEVICE - A surface profile inspection device producing a sheet of light propagating in a linear region forming a plane from a laser beam emitted from a laser light source and irradiating the sheet of light to an object to be measured, and including an image capturing unit capturing an image of the object to be measured and a configuration data generating unit extracting a light section line defined by an irradiation of the sheet of light from image data of the captured image and generating surface profile data of the object to be measured. The laser light source includes a semiconductor laser emitting a laser beam from a light emitting layer formed in a linear direction along a boarder of a p-n junction. An attitude of the semiconductor laser is set to arrange the linear direction to be unparallel to a spread direction of the sheet of light. | 06-14-2012 |
20120177078 | SURFACE-EMITTING LASER DIODE MODULE HAVING IMPROVED FOCUSING PERFORMANCE - A surface-emitting laser diode module having improved focusing performance includes a main body, a first support member, a second support member, a laser diode chip, and a focusing lens. The first and the second support members are disposed on the main body. One end of the first and the second support members is exposed in a trough formed on the main body. The other ends of the first and the second support members protrude from the main body and form a respective soldering portion. The laser diode chip is disposed on the first support member exposed in the trough and connected electrically to the second support member. The focusing lens is arranged at the light exit aligning the laser diode chip. The thinner and lighter laser diode module can provide better focus for dot or line laser applications. | 07-12-2012 |
20120183007 | SURFACE-EMITTING SEMICONDUCTOR LASER DEVICE IN WHICH AN EDGE-EMITTING LASER IS INTEGRATED WITH A DIFFRACTIVE OR REFRACTIVE LENS ON THE SEMICONDUCTOR LASER DEVICE - A surface-emitting semiconductor laser device is provided that includes an edge-emitting laser formed in various layers of semiconductor material disposed on a semiconductor substrate, a polymer material disposed on the substrate laterally adjacent the layers in which the edge-emitting laser is formed, a diffractive or refractive lens formed in or on an upper surface of the polymer material, a side reflector formed on an angled side reflector facet of the polymer material generally facing an exit end facet of the laser, and a lower reflector disposed on the substrate beneath the polymer material. Laser light passes out of the exit end facet and propagates through the polymer material before being reflected by the side reflector toward the lower reflector. The laser light is then re-reflected by the lower reflector towards the lens, which directs the laser light out the device in a direction that is generally normal to the upper surface of the substrate. | 07-19-2012 |
20120294326 | Method for Producing a Laser Device - A method for producing a laser device comprising: a semiconductor laser ( | 11-22-2012 |
20130170515 | LASER PROCESSING APPARATUS AND LASER PROCESSING METHOD - A laser processing apparatus ( | 07-04-2013 |
20140146843 | PHOTOELECTRIC CONVERTING MODULE - A photoelectric converting module includes a circuit board, a locating frame fixed on the circuit board, and a photoelectric coupling element. The photoelectric coupling element includes a bottom surface. The bottom surface defines a groove. A shape of the groove coincides with that of the locating frame and a size of the groove is slightly greater than that of the locating frame. The groove receives the locating frame. | 05-29-2014 |
20140269805 | Light Coupling Device and Methods of Forming Same - An embodiment is a semiconductor device comprising an optical device over a first substrate, a vertical waveguide on a top surface of the optical device, the vertical waveguide having a first refractive index, and a capping layer over the vertical waveguide, the capping layer configured to be a lens for the vertical waveguide and the capping layer having a second refractive index. | 09-18-2014 |
20140348197 | SEMICONDUCTOR OPTICAL EMITTING DEVICE WITH LENS STRUCTURE FORMED IN A CAVITY OF A SUBSTRATE OF THE DEVICE - A semiconductor optical emitting device comprises an at least partially transparent substrate, an active semiconductor structure arranged on a first side of the substrate, and a lens structure formed at least partially within a cavity on a second side of the substrate. Light generated by the active semiconductor structure is emitted through the substrate and the lens structure. The cavity may comprise a bottom surface and a plurality of sidewalls, with the plurality of sidewalls extending upward from the bottom surface to an upper surface of the second side of the substrate, although numerous other cavity shapes are possible. The bottom surface may be convex or concave. The bottom surface and the plurality of sidewalls may form a portion of a sphere with a plane parallel to the upper surface of the second side of the substrate. | 11-27-2014 |