Patent application number | Description | Published |
20090072275 | SOLID-STATE IMAGING DEVICE AND METHOD FOR MANUFACTURING THEREOF AS WELL AS DRIVING METHOD OF SOLID-STATE IMAGING DEVICE - A solid-state imaging device with a structure such that an electrode for reading a signal charge is provided on one side of a light-receiving sensor portion constituting a pixel; a predetermined voltage signal V is applied to a light-shielding film formed to cover an image pickup area except the light-receiving sensor portion; a second-conductivity-type semiconductor area is formed in the center on the surface of a first-conductivity-type semiconductor area constituting a photo-electric conversion area of the light-receiving sensor portion; and areas containing a lower impurity concentration than that of the second-conductivity-type semiconductor area is formed on the surface of the first-conductivity-type semiconductor area at the end on the side of the electrode and at the opposite end on the side of a pixel-separation area. | 03-19-2009 |
20090075418 | SOLID-STATE IMAGING DEVICE AND METHOD FOR MANUFACTURING THEREOF AS WELL AS DRIVING METHOD OF SOLID-STATE IMAGING DEVICE - A solid-state imaging device with a structure such that an electrode for reading a signal charge is provided on one side of a light-receiving sensor portion constituting a pixel; a predetermined voltage signal V is applied to a light-shielding film formed to cover an image pickup area except the light-receiving sensor portion; a second-conductivity-type semiconductor area is formed in the center on the surface of a first-conductivity-type semiconductor area constituting a photo-electric conversion area of the light-receiving sensor portion; and areas containing a lower impurity concentration than that of the second-conductivity-type semiconductor area is formed on the surface of the first-conductivity-type semiconductor area at the end on the side of the electrode and at the opposite end on the side of a pixel-separation area. | 03-19-2009 |
20090078976 | SOLID-STATE IMAGING DEVICE AND METHOD FOR MANUFACTURING THEREOF AS WELL AS DRIVING METHOD OF SOLID-STATE IMAGING DEVICE - A solid-state imaging device with a structure such that an electrode for reading a signal charge is provided on one side of a light-receiving sensor portion constituting a pixel; a predetermined voltage signal V is applied to a light-shielding film formed to cover an image pickup area except the light-receiving sensor portion; a second-conductivity-type semiconductor area is formed in the center on the surface of a first-conductivity-type semiconductor area constituting a photo-electric conversion area of the light-receiving sensor portion; and areas containing a lower impurity concentration than that of the second-conductivity-type semiconductor area is formed on the surface of the first-conductivity-type semiconductor area at the end on the side of the electrode and at the opposite end on the side of a pixel-separation area. | 03-26-2009 |
20090078977 | SOLID-STATE IMAGING DEVICE AND METHOD FOR MANUFACTURING THEREOF AS WELL AS DRIVING METHOD OF SOLID-STATE IMAGING DEVICE - A solid-state imaging device with a structure such that an electrode for reading a signal charge is provided on one side of a light-receiving sensor portion constituting a pixel; a predetermined voltage signal V is applied to a light-shielding film formed to cover an image pickup area except the light-receiving sensor portion; a second-conductivity-type semiconductor area is formed in the center on the surface of a first-conductivity-type semiconductor area constituting a photo-electric conversion area of the light-receiving sensor portion; and areas containing a lower impurity concentration than that of the second-conductivity-type semiconductor area is formed on the surface of the first-conductivity-type semiconductor area at the end on the side of the electrode and at the opposite end on the side of a pixel-separation area. | 03-26-2009 |
20090294884 | SOLID-STATE IMAGING DEVICE AND METHOD FOR MANUFACTURING THE SAME - Channel stop sections formed by multiple times of impurity ion implanting processes. Four-layer impurity regions are formed across the depth of a semiconductor substrate (across the depth of the bulk), so that a P-type impurity region is formed deep in the semiconductor substrate; thus, incorrect movement of electric charges is prevented. Other four-layer impurity regions of another channel stop section are decreased in width step by step across the depth of the substrate, so that the reduction of a charge storage region of a light receiving section due to the dispersion of P-type impurity in the channel stop section is prevented in the depth of the substrate. | 12-03-2009 |
20110298024 | SOLID-STATE IMAGING DEVICE AND METHOD FOR MANUFACTURING THEREOF AS WELL AS DRIVING METHOD OF SOLID-STATE IMAGING DEVICE - A solid-state imaging device with a structure such that an electrode for reading a signal charge is provided on one side of a light-receiving sensor portion constituting a pixel; a predetermined voltage signal V is applied to a light-shielding film formed to cover an image pickup area except the light-receiving sensor portion; a second-conductivity-type semiconductor area is formed in the center on the surface of a first-conductivity-type semiconductor area constituting a photo-electric conversion area of the light-receiving sensor portion; and areas containing a lower impurity concentration than that of the second-conductivity-type semiconductor area is formed on the surface of the first-conductivity-type semiconductor area at the end on the side of the electrode and at the opposite end on the side of a pixel-separation area. | 12-08-2011 |
20120104533 | SOLID-STATE IMAGING DEVICE AND METHOD FOR MANUFACTURING THE SAME - Channel stop sections formed by multiple times of impurity ion implanting processes. Four-layer impurity regions are formed across the depth of a semiconductor substrate (across the depth of the bulk) so that a P-type impurity region is formed deep in the semiconductor substrate; thus, incorrect movement of electric charges is prevented. Other four-layer impurity regions of another channel stop section are decreased in width step by step across the depth of the substrate, so that the reduction of a charge storage region of a light receiving section due to the dispersion of P-type impurity in the channel stop section is prevented in the depth of the substrate. | 05-03-2012 |
20130214377 | SOLID-STATE IMAGING DEVICE WITH CHANNEL STOP REGION WITH MULTIPLE IMPURITY REGIONS IN DEPTH DIRECTION AND METHOD FOR MANUFACTURING THE SAME - Channel stop sections formed by multiple times of impurity ion implanting processes. Four-layer impurity regions are formed across the depth of a semiconductor substrate (across the depth of the bulk), so that a P-type impurity region is formed deep in the semiconductor substrate; thus, incorrect movement of electric charges is prevented. Other four-layer impurity regions of another channel stop section are decreased in width step by step across the depth of the substrate, so that the reduction of a charge storage region of a light receiving section due to the dispersion of P-type impurity in the channel stop section is prevented in the depth of the substrate. | 08-22-2013 |
20140299921 | SOLID-STATE IMAGING DEVICE WITH CHANNEL STOP REGION WITH MULTIPLE IMPURITY REGIONS IN DEPTH DIRECTION AND METHOD FOR MANUFACTURING THE SAME - Channel stop sections formed by multiple times of impurity ion implanting processes. Four-layer impurity regions are formed across the depth of a semiconductor substrate (across the depth of the bulk), so that a P-type impurity region is formed deep in the semiconductor substrate; thus, incorrect movement of electric charges is prevented. Other four-layer impurity regions of another channel stop section are decreased in width step by step across the depth of the substrate, so that the reduction of a charge storage region of a light receiving section due to the dispersion of P-type impurity in the channel stop section is prevented in the depth of the substrate. | 10-09-2014 |
Patent application number | Description | Published |
20080283986 | System-in-package type semiconductor device - A system-in-package type semiconductor device includes a plurality of semiconductor chips, a first semiconductor chip | 11-20-2008 |
20090077516 | Semiconductor integrated device and apparatus for designing the same - A semiconductor integrated device includes a plurality of power system circuit units, a first circuit unit | 03-19-2009 |
20090077517 | Semiconductor intergrated device and apparatus for designing the same - A semiconductor integrated device includes a plurality of power system circuit units, a first circuit unit | 03-19-2009 |
20110022376 | ESD ANALYSIS DEVICE AND ESD ANALYSIS PROGRAM USED FOR DESIGNING SEMICONDUCTOR DEVICE AND METHOD OF DESIGNING SEMICONDUCTOR DEVICE - An ESD (Electrostatic Discharge) analysis device includes: a circuit simulation unit; a border cell extraction unit; and a check unit. The circuit simulation unit executes a circuit simulation of design data of a semiconductor integrated circuit including a plurality of circuits of a plurality of power supply systems, to calculate potentials in a plurality of current paths between pads of different two of the plurality of power supply systems, when one of an ESD current and an ESD voltage is applied between the pads. The border cell extraction unit extracts border cells from circuits of the different two of the plurality of power supply systems, wherein the circuits are included in the plurality of circuits, the border cells input and/or output signals between the circuits. The check unit checks an ESD tolerance by calculating a potential difference between the border cells, based on the calculated potentials, the extracted border cells. | 01-27-2011 |
20110102962 | Semiconductor device with a plurality of power supply systems - A protection circuit that includes a first power supply system including a first power supply and a first ground, a second power supply system including a second power supply and a second ground, the second power supply system being connected to the first power supply system via a signal line through which signal transfer is performed between a circuit in the first power supply system and a circuit in the second power supply system, and a control circuit that, when coupled to an electro-static discharge (ESD) stress being applied to the first power supply system controls a switch, the switch being provided between the signal line and the first power supply. | 05-05-2011 |
20120307408 | SEMICONDUCTOR DEVICE WITH A PLURALITY OF POWER SUPPLY SYSTEMS - A protection circuit includes a first power supply system including a first power supply and a first ground, a second power supply system including a second power supply and a second ground, and a control circuit that, when coupled to an electro-static discharge (ESD) stress being applied to the first power supply system, controls a first switch. The first switch is provided between the signal line and the first ground. The control circuit includes a capacitance element, a resistance element in series with the capacitance element, and an inverter, an output of the inverter being connected between a gate of the first switch, an input of the inverter being connected to a connecting point between the capacitance element and the resistance element. | 12-06-2012 |
Patent application number | Description | Published |
20090161643 | RADIO COMMUNICATION SYSTEM, RADIO COMMUNICATION APPARATUS AND METHOD, AND PROGRAM - A radio communication system and apparatus is disclosed wherein setting necessary for communication with a desired radio communication apparatus with which a user wants to communicate can be performed with certainty by an operation system familiar to the user and a high security level can be assured for the communication which uses the setting. When a first radio communication apparatus receives a request for communication information necessary for communication through a radio network from a second radio communication apparatus through a radio circuit, it transmits identification information for the radio network and information regarding the security set in advance as communication information therein to the second radio communication apparatus through the radio circuit. The second radio communication apparatus sets the communication information to itself. The invention can be applied to a radio LAN for which a household electric appliance is used. | 06-25-2009 |
20090183567 | OPERATION DEVICE CONTROL APPARATUS, OPERATION DEVICE CONTROL METHOD, INFORMATION STORAGE MEDIUM, AND OPERATION DEVICE - To provide an operating device control device for obtaining information about a rotational angle of an operating device, while reducing the influence due to an individual difference and/or variation of a reference sensor signal in accordance with a sensor signal output from the gyro sensor mounted in the operating device. A control device of an operating device having a gyro sensor for detecting an angular velocity and outputting a sensor signal in accordance with the detected angular velocity, the control device obtains an output signal from signal output means for outputting an output signal in accordance with a difference between the sensor signal output from the gyro sensor and a predetermined reference signal, then estimates a reference sensor signal to be output by the gyro sensor when no angular velocity is detected, based on the output signal, and changes the predetermined reference signal according to the estimated reference sensor signal. | 07-23-2009 |
20110187660 | MOBILE TYPE IMAGE DISPLAY DEVICE, METHOD FOR CONTROLLING THE SAME AND INFORMATION MEMORY MEDIUM - Provide is a portable image display device which allows a user to perform many different operation inputs with ease. The portable image display device includes: a display screen having a substantially rectangular shape; and a plurality of touch sensors provided along at least two sides defining a circumference of the display screen, for each detecting a position touched by a finger of a user. The portable image display device changes an image displayed on the display screen in accordance with a combination of the positions of a plurality of the fingers which are respectively detected by the plurality of touch sensors. | 08-04-2011 |
20110317986 | RECEPTION METHOD, RECEPTION DEVICE, TRANSMISSION METHOD, TRANSMISSION DEVICE, TRANSMISSION/RECEPTION METHOD, TRANSMISSION/RECEPTION DEVICE - An electronic mail on which a control command is interpolated is transmitted through a public line, received by a modem section of a gate way, converted to a digital data, and supplied to the control section. A CPU of the control section stores the received electronic mail in a RAM, and extracts the control command contained in the electronic mail. The CPU supplies a control signal corresponding to the control command to an interface section. The interface section controls an IR transmission section to transmit a signal corresponding to the control signal supplied from the CPU or outputs a signal through a connection line, and controls a video deck. | 12-29-2011 |
20120095714 | INFORMATION PROCESSING DEVICE, INFORMATION PROCESSING METHOD, AND INFORMATION STORAGE MEDIUM - An information processing device acquires an output value in accordance with a state in which an operating device is held, acquires the output value in accordance with a predetermined first holding state of the operating device as a first reference value, acquires the output value in accordance with a predetermined second holding state of the operating device, different from the first holding state, as a second reference value, and calculates a state value indicative of the state in which the operating device is held, which is in accordance with the acquired output value, based on the first reference value and the second reference value. | 04-19-2012 |
20120200665 | APPARATUS AND METHOD FOR DISPLAYING PANORAMIC IMAGES - When there is a shooting location of another panoramic image in a shooting direction of a panoramic image to be displayed, a marker setting unit associates a marker, indicating the presence of the another panoramic image in the shooting direction, with the panoramic image to be displayed. A mapping processing unit maps the panoramic image to be displayed, which has been associated with markers for the other panoramic images, into a three-dimensional (3D) panoramic space as textures. A 3D image generator generates a 3D panoramic image when the 3D panoramic space is viewed in a specified line of sight, with the shooting location of the panoramic image to be displayed being set as a viewpoint position. An interface receives an instruction from a user concerning the displayed 3D panoramic image. | 08-09-2012 |
20130229484 | APPARATUS AND METHOD FOR DISPLAYING IMAGES - A control point detector detects controls points, with which moving images are associated with a region of a panoramic image, by detecting feature points between the panoramic image and a frame of part of the moving images. An alignment processing unit adjusts the alignment of the moving images relative to the panoramic image, based on the control points. A mapping processing unit maps the panoramic image and a still image frame of the moving images the alignment of which adjusted by the alignment processing unit, onto a three-dimensional (3D) panoramic space as textures. A 3D image generator generates a 3D panoramic image, when the three-dimensional panoramic image is viewed in a specified line of sight. When a moving image reproduction unit receives instructions to reproduce the moving images in the 3D panoramic image, the moving image reproduction unit reproduces the moving images. | 09-05-2013 |
20130229546 | APPARATUS AND METHOD FOR GENERATING IMAGES - A low dynamic range (LDR) image data storage stores LDR image sets each of which includes a plurality of LDR segmented images captured with a camera panned. Here each LDR image set is of a different exposure level, respectively. A high-dynamic-range (HDR) synthesizing unit combines and merges a plurality of LDR segmented images of different exposure levels so as to generate an HDR segmented image set including a plurality of HDR segmented images of different pan angles or tilt angles. A panoramic image synthesizing unit generates an HDR panoramic image by stitching together adjacent HDR segmented images. | 09-05-2013 |
20130278503 | GESTURE OPERATION INPUT PROCESSING APPARATUS AND GESTURE OPERATION INPUT PROCESSING METHOD - An instruction point extraction unit extracts an instruction point of a user from an image in which a gesture of the user made while the user is looking at a display is captured. A distance calculation unit obtains a distance to the instruction point in the depth direction. A gesture recognition parameter adjustment unit adjusts a parameter related to detection sensitivity in the depth direction when operation input by the gesture of the user is recognized, based on at least one of resolution of distance measurement in the depth direction and three-dimensional display performance of a display. A gesture recognition processing unit recognizes the operation input by the gesture of the user based on the adjusted parameter in reference to the distance to the instruction point in the depth direction calculated by the distance calculation unit. | 10-24-2013 |
20130278530 | TOUCH INPUT PROCESSOR, INFORMATION PROCESSOR, AND TOUCH INPUT CONTROL METHOD - A touch coordinate acquisition unit acquires the coordinate position of a touch point on a touch panel. An area determination unit determines whether or not the coordinate position of a touch point is present within an enlarging operation area provided in part of the touch panel. A drag determination unit determines if a touch point has been dragged. When the coordinate position of a touch point is present within the enlarging operation area and the touch point has been dragged, an operation mode switching unit switches the operation mode for touch inputs from a normal operation mode to an enlarging operation mode. When the operation mode is switched to the enlarging operation mode, a touch coordinate transformation unit transforms the coordinates of an actual touch point within the enlarging operation area into the coordinates of a virtual touch point for the whole area of the touch panel. | 10-24-2013 |
20130314402 | APPARATUS AND METHOD FOR DISPLAYING IMAGES - A mask region extraction unit extracts a region that is to be masked in a panoramic image. A mask processing unit generates the object image where the region to be masked in the panoramic image is masked. A positioning unit adjusts the direction of a spherical image to the shooting direction of the object image. A mapping processing unit maps the mask-processed object image and the spherical image onto a three-dimensional (3D) object space as textures. A 3D image generator generates a 3D panoramic image, when the 3D panoramic image is viewed in a specified line of sight in such a manner so as to regard the shooting location of the panoramic as a viewpoint position. | 11-28-2013 |
20140028593 | INPUT DEVICE CONTROL APPARATUS AND INPUT DEVICE CONTROL METHOD - A conversion unit converts output data detected by an input device based on any one type of conversion table among a plurality of types of conversion tables. An output unit transmits the output data thus converted to a main processor via an interface. A switching unit receives, from the main processor via the interface, a mode switching signal for switching detection sensitivity. The conversion unit switches the conversion table for reference based on the mode switching signal. The conversion table is a bit conversion table for reducing the number of bits of the output data. | 01-30-2014 |
20140240454 | IMAGE GENERATION APPARATUS AND IMAGE GENERATION METHOD - Methods and apparatus provide for generating a component image in which, with images picked up using a front side camera and a rear side camera built in portable equipment, posture information of the portable equipment is associated; combining a plurality of component images between which the posture of the portable equipment is different to generate a synthesis image; changing over an image pickup mode between a double-sided synthesis image pickup mode in which a synthesis image of one half circumference picked up by the front side camera and a synthesis image of one half circumference picked up by the rear side camera are connected to each other to pick up a synthesis image of a whole circumference and a single-sided synthesis image pickup mode in which a synthesis image of a whole circumference is picked up by each of the front side camera and the rear side camera. | 08-28-2014 |
20140267594 | IMAGE GENERATION APPARATUS AND IMAGE GENERATION METHOD - A characteristic point extraction unit extracts a characteristic point in an overlapping region of a plurality of component images picked up using a camera built in portable equipment and having pan angles or elevation angles different from each other. A self-position estimation unit estimates three-dimensional coordinate values of the characteristic point and three-dimensional coordinate values of a camera position, which are associated with each other, at the same time in two component images in which the camera positions are displaced from each other. A panoramic image generation unit adjusts, based on the estimated three-dimensional coordinate values of the camera position, the three-dimensional coordinate values of the characteristic point of the component image to correct the component image and combine a plurality of component images having pan angles or elevation angles different from each other to generate a synthesis image. | 09-18-2014 |
20140293002 | IMAGE GENERATION APPARATUS AND IMAGE GENERATION METHOD - A posture detection unit detects posture information of three axes of portable equipment using at least one of a three-axis gyro sensor, a three-axis acceleration sensor and a three-axis geomagnetic sensor built in the portable equipment. A pan angle-elevation angle calculation unit calculates a pan angle and an elevation angle of a camera built in the portable equipment based on the posture information detected by the posture detection unit. A component image generation unit generates a component image in which the pan angle and the elevation angle calculated by the pan angle-elevation angle calculation unit are associated with an image picked up using the camera built in the portable equipment. A panoramic image generation unit combines a plurality of component images having pan angles or elevation angles different from each other to generate a synthesis image. | 10-02-2014 |
20140300693 | IMAGE GENERATION APPARATUS AND IMAGE GENERATION METHOD - A region-of-interest setting portion sets, during image pickup, a region of interest in an image picked up using a camera built in portable equipment. A component image generation unit generates a component image in which, with the image picked up using the camera built in the portable equipment, posture information of the portable equipment and the region-of-interest information set by the region-of-interest setting portion are associated. A panoramic image generation unit combines a plurality of component images between which the posture of the portable equipment is different to generate a synthesis image. | 10-09-2014 |
20140375571 | SIGNAL PROCESSING DEVICE, TOUCH PANEL UNIT, INFORMATION PROCESSOR, AND SIGNAL PROCESSING METHOD - A sampling unit acquires a sample data series of a signal indicating a touch state quantity detected in a touch panel. A discrete Fourier transformation unit transforms the sample data series into the frequency domain. The frequency spectral analysis unit determines a frequency spectral distribution in accordance with the sample data transformed into the frequency domain. A peak detection unit detects a peak in a frequency band of a pulse in the frequency spectral distribution and finds the frequency of the detected peak so as to determine the pulse. | 12-25-2014 |
20150116453 | IMAGE CAPTURING DEVICE, AND IMAGE CAPTURING METHOD - A multiview imaging part includes a plurality of imaging units. An exposure setting section individually sets an exposure value in each of the plurality of imaging units. The exposure setting section sets, in each of the imaging units, an individual reference exposure value and relative exposure values. The relative exposure values are obtained by changing the reference exposure value in a given number of steps in such a manner that the relative exposure values are centered around the reference exposure value. A panoramic image storage section stores captured images having different exposure values captured by the imaging units whose exposure values have been set by the exposure setting section. An HDR synthesis section synthesizes the captured images having different exposure values so as to generate a captured image having an adjusted dynamic range. | 04-30-2015 |
Patent application number | Description | Published |
20080198386 | Vibration detection device - A vibration detection device includes: a light source emitting a laser beam; an interferometer including a first vibrating body and a second vibrating body both capable of reflecting the laser beam, the interferometer splitting the laser beam into beams traveling along first to third optical paths, and the interferometer causing interference between a first reflected beam reflected by the first vibrating body in the first optical path and a reference beam passing through the third optical path to form a first interference pattern, and causing interference between a second reflected beam reflected by the second vibrating body in the second optical path and the reference beam to form a second interference pattern; and a detection means quantizing the vibrations of the first and second vibrating bodies on the basis of the formed first and second interference patterns to detect the vibrations. | 08-21-2008 |
20080225274 | Vibration detection device - A vibration detection device includes: a light source emitting a laser beam; an interferometer including a vibrating body and a reflecting body both capable of reflecting the laser beam, a polarizing beam splitter splitting a laser beam emitted from the light source into beams traveling along first and second optical paths, a first ¼ wave plate arranged between the polarizing beam splitter and the vibrating body in the first optical path, and a second ¼ wave plate arranged between the polarizing beam splitter and the reflecting body in the second optical path, the interferometer causing interference between a reflected beam reflected by the vibrating body and a reference beam reflected by the reflecting body to form a interference pattern; and a detection means quantizing the vibration of the vibrating body on the basis of the formed interference pattern to detect the vibration. | 09-18-2008 |
20080273192 | Vibration detection device - A vibration detection device capable of improving detection sensitivity when optically performing vibration detection is provided. A vibration detection device includes: a light source emitting a laser beam; an interferometer including a vibrating body and a first reflection body both capable of reflecting the laser beam, and a second reflection body capable of at least partially reflecting the laser beam, the interferometer splitting the laser beam emitted from the light source into beams traveling along first and second optical paths, the interferometer causing interference between a reference beam reflected by the first reflection body in the first optical path and reflected beams multiply reflected between the vibrating body and the second reflection body in the second optical path to form interference patterns; and a detection means for detecting the vibration of the vibrating body on the basis of the formed interference patterns. | 11-06-2008 |
20090092163 | LASER DIODE AND METHOD OF MANUFACTURING THE SAME - Provided is a laser diode which realizes NFP with a stable and uniform shape. The laser diode includes, on a semiconductor substrate, an active layer, one or a plurality of strip-shaped current confinement structures confining a current which is injected into the active layer, and a stacked structure including one or a plurality of strip-shaped convex portions extending in an extending direction of the current confinement structure. | 04-09-2009 |
20090137078 | Semiconductro laser device - This semiconductor laser device has the same structure as the conventional broad-area type semiconductor laser device, except that both side regions of light emission areas of active and clad layers are two-dimensional-photonic-crystallized. The two-dimensional photonic crystal formed on both side regions of the light emission area is the crystal having the property that 780 nm laser light cannot be wave-guided in a resonator direction parallel to a striped ridge within the region. The light traveling in the direction can exist only in the light emission area sandwiched between two photonic crystal regions, which results in the light laterally confined by the photonic crystal region. The optical confinement of the region suppresses the loss in the light at both edges of the stripe serving as the boundary of the optical confinement, which reduces the curve of wave surface and uniforms the light intensity distributions of NFP and FFP. | 05-28-2009 |
20090161716 | Laser diode - A laser diode capable of effectively inhibiting effects of feedback light is provided. A laser diode includes a substrate, and a laminated structure including a first conductive semiconductor layer, an active layer having a light emitting region, and a second conductive semiconductor layer having a projecting part on the surface thereof, on the substrate, wherein a feedback light inhibition part is provided on a main-emitting-side end face, and effects of feedback light in the vicinity of lateral boundaries of the light emitting region are inhibited by the feedback light inhibition part. | 06-25-2009 |
20090262432 | LASER BEAM MULTIPLEXER - A laser beam multiplexer capable of easily multiplexing a plurality of laser beams is provided. A laser beam multiplexer includes a multiplexing element having a hollow portion with a sectional elliptical shape, in which the multiplexing element includes: a plurality of light-incident apertures guiding laser beams from outside toward one of two focal points of the hollow portion, a reflective layer arranged on a wall surface of the hollow portion, and multiplexing a plurality of incident laser beams while reflecting the plurality of laser beams, and a light-emitting aperture guiding laser beams multiplexed by the reflective layer toward outside. | 10-22-2009 |
20110182313 | LASER DIODE AND METHOD OF MANUFACTURING THE SAME - A laser diode which realizes NFP with a stable and uniform shape. The laser diode includes, on a semiconductor substrate, an active layer, one or a plurality of strip-shaped current confinement structures confining a current which is injected into the active layer, and a stacked structure including one or a plurality of strip-shaped convex portions extending in an extending direction of the current confinement structure. | 07-28-2011 |
20110206080 | LASER DIODE AND METHOD OF MANUFACTURING THE SAME - A laser diode which realizes NFP with a stable and uniform shape. The laser diode includes, on a semiconductor substrate, an active layer, one or a plurality of strip-shaped current confinement structures confining a current which is injected into the active layer, and a stacked structure including one or a plurality of strip-shaped convex portions extending in an extending direction of the current confinement structure. | 08-25-2011 |