Abstract: According to one embodiment, an electronic apparatus includes a proximity sensor, a control module and an adjustment module. The proximity sensor is configured to emit light and to detect reflection of the emitted light. The control module is configured to control an operation of the electronic apparatus, based on an output signal of the proximity sensor. The adjustment module is configured to adjust an intensity of the emitted light by monitoring the output signal of the proximity sensor while varying the intensity of the emitted light, when an event indicating that a detection distance of the proximity sensor is to be adjusted has occurred.

Abstract: Methods, structures, devices and systems are disclosed for implementing compact (e.g., nanoscale) coaxial lasers with coaxial cavity geometries which can be used to construct various coaxial cavity lasers that can operate in single mode, at room-temperature, and produce continuous-wave lasing. The described laser systems can also operate at low-temperatures, and provide thresholdless lasing using a spectrally broadband semiconductor gain medium. The cavity of the compact lasers includes a central metal core and a hollow ring surrounding the central metal core, formed within a housing with an open terminal and a closed terminal. The open terminal is positioned to both receive pump light and output laser light, and the closed terminal includes a metal cap that encloses the central metal rod and one side of the hollow ring. The described nano cavities also include a ring-shaped gain medium section, and ring-shaped lower and upper plug sections.

Abstract: To determine a deterioration and maintain a high-quality image without unevenness of brightness by performing a precise correction, a detection scanning line for selecting a pixel which detects a deterioration of a pixel, a detection line for informing the outside of the display area of the property of a pixel selected for detecting the deterioration, a deterioration determination means for determining a deterioration amount based on a voltage corresponding to a current detected by the detection line, and a deterioration correction means (computation circuit) for reflecting the determination result of the deterioration determination means in image data supplied to the pixel, are provided.

Abstract: Optoelectronic devices (e.g., optical proximity sensors), methods for fabricating optoelectronic devices, and systems including optoelectronic devices, are described herein. An optoelectronic device includes a light detector die that includes a light detector sensor area. A light source die is attached to a portion of the light detector die that does not include the light detector sensor area. An opaque barrier is formed between the light detector sensor area and the light source die, and a light transmissive material encapsulates the light detector sensor area and the light source die. Rather than requiring a separate base substrate (e.g., a PCB substrate) to which are connected a light source die and a light detector die, the light source die is connected to the light detector die, such that the light detector die acts as the base for the finished optoelectronic device. This provides for cost reductions and reduces the total package footprint.

Abstract: A method for producing a photosensitive integrated circuit including producing circuit control transistors, producing, above the control transistors, and between at least one upper electrode and at least one lower electrode, at least one photodiode, by amorphous silicon layers into which photons from incident electromagnetic radiation are absorbed, producing at least one passivation layer, between the lower electrode and the control transistors, and producing, between the control transistors and the external surface of the integrated circuit, a reflective layer capable of reflecting photons not absorbed by the amorphous silicon layers.

Abstract: The invention relates to a plurality of light sources to power a variety of applications including microarray readers, microplate scanners, microfluidic analyzers, sensors, sequencers, Q-PCR and a host of other bioanalytical tools that drive today's commercial, academic and clinical biotech labs.

Abstract: There is provided a semiconductor laser device that enables flip-chip assembly by providing an embedding section around a mesa section, and has an improved emission lifetime. There is also provided a photoelectric converter and an optical information processing unit each having the semiconductor laser device. The semiconductor laser device includes: a mesa section including an active layer, and having a first electrode on a top surface; an embedding section covering the mesa section, and having a first connection aperture that reaches the first electrode; and a first wiring provided on the embedding section to be laid across the first connection aperture, the first wiring being electrically connected to the first electrode through the first connection aperture.

Abstract: A solid state light source module includes two solid state light sources, a light combining device for combining the lights from the two sources, a color wheel receiving the combined light and alternatingly outputting at least two primary color lights, a sync signal generator coupled to the color wheel for generating a periodic sync signal, and a controller for supplying a drive signal to each solid state light sources based on the sync signal. During at least one sub-period of the period, one of the two solid state light sources is turned on by its drive signal and the other one is kept in an inactive state by its drive signal.

Abstract: In one embodiment, a quantum dot based radiation source includes a housing having a wall defining a cavity therein, a plurality of quantum dots disposed on an inner surface of the wall of the housing, and a radiation excitation source in optical communication with the housing and configured to output radiation to excite the plurality of quantum dots to emit radiation in a desired wavelength range. The quantum dot based radiation source can be used in a calibration system or calibrator, for example to calibrate a detector.

Abstract: A reset circuit includes a power supply, a metal-oxide-semiconductor field-effect transistor (MOSFET) that has a gate, a drain, and a source, a capacitor, a Schmitt trigger; and an inverter. When a voltage of the power supply is applied to the gate and turns on the MOSFET, the power supply charges the capacitor. After a predetermined delay time, a voltage of the capacitor reaches a threshold voltage of the Schmitt trigger and turns on the Schmitt trigger, and the capacitor discharges through the Schmitt trigger to correspondingly generate a reset signal output by the inverter to reset an electronic device.

Abstract: This invention relates to a luminaire comprising an OLED device, where a light detecting function of the OLED device is employed for transmitting light setting commands to the luminaire from a remote position by means of a control light signal, which carries command information. The control light signal has a header portion, which can be recognized by the luminaire and makes it ready to receive a command, and a following control command portion.

Abstract: A light source unit includes a light source and a photodetector. The light source has an emission part for emitting light. The photodetector has a light receiving surface for receiving the light emitted from the emission part, and detects the light. The light source unit further includes a grating made of metal and disposed to extend along the light receiving surface. The grating includes a plurality of line-shaped portions that each extend in a direction intersecting the direction of travel of the light and that are located at positions different from each other along the direction of travel of the light.

Abstract: An illumination apparatus includes a light source unit having solid light-emitting elements and a sensor unit having a wave transmission portion for transmitting energy waves of specified frequency and a wave reception portion for receiving the energy waves reflected from an object. The sensor unit outputs a detection signal by detecting the object within a detection range based on the difference in frequency between the transmitted and received energy waves. The illumination apparatus further includes a control unit responsive to the detection signal from the sensor unit for performing a control operation to turn on the light source unit, and a power source unit for supplying electric power to the light source unit. The power source unit is arranged outside the detection range of the sensor unit. The sensor unit is provided on the opposite side to the direction of light irradiated from the light source unit.

Abstract: A tunable optical filter apparatus and method are disclosed. The apparatus may include a filter driver, a filter device, a detector device and a controller device. The filter driver generates a filter driver signal, including a dither signal. The controller device may be coupled to the detector device, the filter device and the filter driver. The controller device may receive the detector output signal and determine a ratio of the odd order harmonic signal to the even order harmonic signal with respect to the dither frequency. The controller device may also compare the ratio to a predetermined setpoint ratio and generate a control feedback signal for generating a new filter driver signal. The control feedback signal may be based on the comparison of the ratio of the odd order harmonic signal to the even order harmonic signal, to the predetermined setpoint ratio that corresponds to a desired filter operating frequency.

Abstract: In an image displaying apparatus, first and second detecting units detect quantities of light propagating through a light path at two different locations. A variation calculating unit calculates the variation in the light quantity in the light path based on the quantities of light detected by each of the first and second detecting units. A controlling unit controls the quantity of light propagated to the screen if the variation in the light quantity exceeds a predetermined value.

Abstract: 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 for drawing the image data by the laser beam; and a pulse width modulation circuit which receives supply of the image data and the cycle signal and modulates a pulse wave having a cycle determined by the cycle signal by changing duty ratio of the pulse wave based on the image data to produce the pulse width modulation signal.

Abstract: The present disclosure includes methods, devices, and systems for zinc oxide diodes for optical interconnections. One system includes a ZnO emitter confined within a circular geometry in an oxide layer on a silicon substrate. An optical waveguide is formed in the oxide layer and has an input coupled to the ZnO emitter. A detector is coupled to an output of the optical waveguide.

Abstract: A reflection-type photointerrupter of the present invention includes a substrate, a light emitting element and a light receiving element. The substrate includes a first surface, a second surface opposite the first surface, and a first and a second recesses that are open in the first surface side. The light emitting element is arranged in the first recess, while the light receiving element is arranged in the second recess. The light emitting element is capable of emitting light. The light receiving element is capable of receiving the light emitted from the light emitting element and reflected by an object to be detected.

Abstract: An optical device includes at least one surface emitting laser device having a dielectric film for causing a central portion of a light emitting region to have a comparatively higher reflectivity than a peripheral portion; a light receiving element disposed, with respect to a first direction, on one side to the surface emitting laser device; and a transparent member disposed in a path of light emitted from the surface emitting laser device and configured to reflect a portion of the light toward the light receiving element as monitoring light. The central portion has shape anisotropy in which a width measured on a line extending in the first direction and passing through the center of the light emitting region is smaller than a width measured on a line extending in a second direction, which is perpendicular to the first direction, and passing through the center of the light emitting region.

Abstract: LED transceiver front end circuitry and related methods are disclosed that use an LED or LEDs to transmit light in a transmit state and to receive incident light in a receive state while helping to reduce effects of power supply noise and ripple and device leakage currents on incident light measurements in applications where such conditions exist. In the disclosed embodiments and implementations, a controlled voltage is applied across an LED or LEDs or a reference voltage is applied to an LED chain or LED to help reduce the effects of power supply noise and ripple and device leakage currents on incident light measurements during a receive state of operation. Further, with respect to the LED chain, one or more resistors are coupled in parallel to the LEDs in the LED chain.

Abstract: In an exemplary embodiment, an apparatus includes a sensor integrated circuit (IC). The at least one integrated photodetector that is adapted to sense light, and an integrated analog-to-digital converter (ADC). The integrated analog-to-digital converter (ADC) is coupled to the at least one integrated photodetector, and is adapted to convert an output signal of one or more of the at least one integrated photodetector to one or more digital signals. The sensor integrated circuit (IC) further includes an integrated controller that is adapted to facilitate operation of the sensor integrated circuit (IC).

Abstract: Systems and methods for advanced monitoring and control using an LED driver in an optical processor are described. In an embodiment, a monitoring and control circuit may include a light-emitting diode (LED) driver including a control input, an output, and a node, wherein the output is coupled to an LED. The circuit may also include a multiplexer coupled to the node of the LED driver, an analog-to-digital converter coupled to the multiplexer, and a controller coupled to the analog-to-digital converter and to the control input of the LED driver, wherein the LED driver is coupled to drive the output with a first voltage supply that is independent from a second voltage supply that is coupled to drive the controller.

Abstract: In an exemplary embodiment, an apparatus includes a sensor integrated circuit (IC) that is adapted for ambient light sensing (ALS) and/or proximity detection. The sensor integrated circuit (IC) includes an integrated analog-to-digital converter (ADC) that is adapted to convert at least one signal related to ambient light sensing (ALS) and/or proximity detection to at least one digital signal, and an integrated light emitting diode (LED) driver that is adapted to drive at least one LED. The sensor IC also includes an integrated power management unit (PMU) that is adapted to reduce power dissipation of the sensor IC by running at a low duty cycle the integrated LED driver and the integrated ADC.

Abstract: A reflection sensing system comprises a body, an illuming module and a detecting module. The body is made by low temperature co-fired ceramic (LTCC) technology or other plasticity colloids and disposed a plurality of electronic connecting points. The illuming module includes a first accommodating space and a light emitted diode (LED), and the detecting module includes a light detector. The first accommodating space is disposed on the body and having a first open at one side. The cross-section of the first accommodating space is parabolic. The LED is disposed at the site of the focus of the first accommodating space, connected to the electronic connecting points and facing to the first open. The light detector is disposed on the body, connected to the electronic connecting points and providing sensing signals after receiving light.

Abstract: A detecting device is provided, which collocates with an electronic device to constitute a diagnostic system. The detecting device comprises a main-body, a carrier, an image sensor, a controller and a transmission interface. The carrier is disposed within the main-body for carrying a specimen. The image sensor is disposed within the main-body for detecting the specimen and generating a sensor signal. The controller is electrically connected with the image sensor for processing the sensor signal into an image signal. The transmission interface is electrically connected with the controller and the image signal is transmitted to the electronic device via the transmission interface.

Abstract: An optical-lever cantilever displacement detecting mechanism includes a support member, a cantilever cantilevered by the support member, a light source to emit a light beam, and an optical sensor to sense the light beam. The cantilever has a probe at its tip. The support member has a reflecting portion extending to face the cantilever with a space. The reflecting portion has a light transmitting portion to allow the light beam to pass therethrough. The cantilever and reflecting portion have reflecting surfaces on sides facing each other, respectively. The light beam emitted from the source undergoes repeated reflections by the reflecting surfaces of the cantilever and reflecting portion including reflections by the reflecting surface of the cantilever, passes through the light transmitting portion, and strikes the sensor. The sensor outputs a signal representing a change of the entry position of the light beam caused by a displacement of the cantilever.

Abstract: An intelligent light source for use with the test of a digital camera module provides a plurality of shapes of light. A fast light pulse is created with turn-on and turn-off transitions less than or equal to one microsecond. Other waveform shapes comprise a ramp and a sinusoid, and all shapes can be made to occur once or repetitively. The magnitude of the light has a range from 0.01 LUX to 1000 LUX, and the ramp has a ramp time that has a range from microseconds to 100 ms. The light comprises of a plurality of colors created by serial connected strings of LED devices, where the LED devices in a string emit the same color. The light emanating from the light source is calibrated using a photo diode and the control of a tester by adjusting offset voltages of a DAC controlling a current through the LED strings.

Abstract: An optoelectronic device for emitting electromagnetic radiation with a controllable emission intensity comprises, at least one optoelectronic component (100) which is adapted for generating, in operation, electromagnetic radiation (90), a first electronic element (200) and a second electronic element (300). The first electronic element (200) is adapted for controlling the emission intensity of the electromagnetic radiation (90), generated by the optoelectronic component (100), within a first intensity range, and the second electronic element (300) is adapted for controlling the emission intensity of the electromagnetic radiation (90), generated by the optoelectronic component (100), within a second intensity range.

Abstract: A semiconductor light-emitting device includes: a light-emitting semiconductor element arranged on a lead frame; a transparent resin mold covering the light-emitting semiconductor element and the lead frame except a terminal portion of the lead frame; and a reflective surface formed on a bent portion of part of the lead frame. The terminal portion of the lead frame has a terminal structure, which can serve as a combination of a top-view type and a side-view type.

Abstract: The invention discloses an anesthetic sensing optical microfluidic chip system. The anesthetic sensing optical microfluidic chip system includes a biochip, a light source, and a detector. The biochip includes a substrate, a micro-channel, and a molecularly imprinted biosensor. The micro-channel is bonded beyond the substrate. The molecularly imprinted biosensor is disposed in the micro-channel, and a surface of the molecularly imprinted biosensor has a plurality of imprinted sites. When a sample including a plurality of anesthetic molecules is injected into the micro-channel and flowing through the surface of the molecularly imprinted biosensor, some of the anesthetic molecules are captured by the imprinted sites. The light source emits a sensing light to the plastic biochip, and the detector receives the sensing light passing through the imprinted sites on the surface of the molecularly imprinted biosensor and generates a detecting result based on the received sensing light.

Abstract: Various embodiments of a package-on-package optical sensor comprising three distinct different packages are disclosed. The three different packages are combined to form the optical proximity sensor, where the first package is a light emitter package, the second package is a light detector package, and the third package is an integrated circuit package. First and second infrared light pass components are molded or casted atop the light emitter package and the light detector package after they have been mounted atop the integrated circuit package. An infrared light cut component is then molded or casted between and over portions of the light emitter package and the light detector package.

Abstract: A flip-chip type image-capturing module includes a light-transmitting substrate unit, an image-capturing unit, a light-emitting unit, and a light beam guiding unit. The image-capturing unit has an image-capturing element electrically disposed on a bottom surface of the light-transmitting substrate unit by a plurality of conductive elements. The image-capturing element has an image-sensing area formed on a top surface thereof and facing the light-transmitting substrate unit. The light-emitting unit has a light-emitting element electrically disposed on the light-transmitting substrate unit. The light beam guiding unit is disposed on the top surface of the light-transmitting substrate unit, and an object is disposed on the light beam guiding unit. The light beam guiding unit has a light beam guiding structure for guiding light beams generated by the light-emitting element to a bottom portion of the object and the image-sensing area of the image-capturing element in sequence.

Abstract: 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, a constant current source, a switch, and a detecting circuit, and one electrode of the light emitting element for monitoring is connected to the monitoring line through the switch. The detecting circuit controls on and off of the switch, and specifically in the case where both electrodes of the light emitting element for monitoring are short-circuited, the switch is turned off. The invention having the aforementioned configuration generates no potential change of the power supply line of the pixel portion when both electrodes of a light emitting element for monitoring are short-circuited.

Abstract: A battery charger for an electronic device, including a cable that connects to a source of power at one end, and to an electronic device at the other end, a light emitter connected to the cable, and a sensor connected to the cable and to the light emitter, for activating the light emitter when the sensor detects one or more vicinity light requirements indicating a need for light in the environment of the sensor.

Abstract: A luminance compensation device for a backlight module and a method thereof are provided herein. In the present invention, a light sensor unit is utilized to sense a light intensity of the backlight module. A difference parameter based on the sensed light intensity and a preset luminance is calculated. Then, a gamma curve, a video data, or light intensity of the backlight module is adjusted according to the difference parameter. As a result, the level of display quality affected by the temperature or the aging of the backlight module can be reduced.

Abstract: In one embodiment, a quantum dot based radiation source includes a housing having a wall defining a cavity therein, a plurality of quantum dots disposed on an inner surface of the wall of the housing, and a radiation excitation source in optical communication with the housing and configured to output radiation to excite the plurality of quantum dots to emit radiation in a desired wavelength range. The quantum dot based radiation source can be used in a calibration system or calibrator, for example to calibrate a detector.

Abstract: Sensors and techniques for an automated data acquisition and notification system having a plurality of receptacles adapted to store items. In each of the plurality of receptacles, at least one sensor is operated to detect a presence of an item in that receptacle. Light is emitted from a planar surface within the receptacle to a space within the receptacle opposite the planar surface. While that light is emitted light incident on the planar surface is detected. A determination is made whether an amount of light that is detected is significant to indicate a presence of the item.

Abstract: Disclosed herein is a lighting unit (10) including one or more light sources (12) configured to emit light and one or more photosensors (16) supported by a substantially transparent structure (18). Light emitted by the one or more light sources (12)and incident upon the structure (18) is substantially transmitted therethrough with a portion of light emitted by the one or more light sources (12) incident upon the one or more photosensors (16) for detection thereof. In some embodiments, the one or more photosensors (16) are configured as substantially transparent photosensors.

Abstract: A deformable mirror device includes a flexible member formed so as to be deformable and having a mirror surface formed on its front surface, and a pressure generating section configured so that a direction of generation of a pressure to be applied to the flexible member is variable.

Abstract: A detector apparatus and method for detecting radiation emitted from a target comprising: a first transmissive polariser (302) for polarising radiation incident on the target; a second transmissive polariser (304) for polarising the radiation emitted from the target (303) and absorbing any remaining light polarised by the first polariser; and at least one reflective polariser (306) arranged between the first and second transmissive polarisers.

Abstract: An exemplary apparatus for securing a solid-state light source on a base includes a laser emitter, an adjustment member, a photo sensor, and a drive member. The solid-state light source has a light source surface and a central axis. The base has a supporting surface, which includes plane regions. The laser emitter is configured for generating a laser beam to an imaginary reference surface. The adjustment member is configured for adjusting an orientation of the base to have a selected plane coaxial with the imaginary reference surface and reflect the laser beam. The photo sensor is configured for sensing an intensity of the laser beam. The drive member is configured for moving the solid-state light source toward until the light source surface of the solid-state light source is attached to the selected plane region immediately with the central axis thereof being coaxial with the imaginary normal.

Abstract: Provided are an apparatus and method for driving LEDs. The apparatus comprise a plurality of red, green, and blue light emitting diodes connected, respectively; switching units turned on or off by an inputted pulse to turn on or off the red, green and blue light emitting diodes, respectively; and a control unit outputting respective pulses to sequentially delay a turn-on or turn-off time between the switching units.

Abstract: An optoelectronic transmission system has a photoemitter semiconductor component and a photodetector semiconductor component. The photoemitter semiconductor component has a radiation source for converting a first electrical signal into a first electromagnetic radiation and a first polarization filter having a first polarization direction for filtering the first electromagnetic radiation. The photodetector semiconductor component has a second polarization filter having a second polarization direction for filtering a second electromagnetic radiation and a sensor element for converting a second electromagnetic radiation which has been polarized by the polarization filter into a second electrical signal. In this case, the first polarization direction of the first polarization filter is identical to the second polarization direction of the second polarization filter.

Abstract: Embodiments of the present invention provide apparatus and method for inspecting a substrate. Particularly, embodiments of the present invention provide apparatus and method for detecting pinholes in one or more light absorbing films deposited on a substrate. One embodiment of the present invention provides an inspection station comprising an illumination assembly having a first light source providing light of wavelengths in a first spectrum and a second light source providing light of wavelengths in a second spectrum, wherein light in the first spectrum and second spectrum can be absorbed by light absorbing films on the substrate.

Abstract: The invention relates to a plurality of light sources to power a variety of applications including microarray readers, microplate scanners, microfluidic analyzers, sensors, sequencers, Q-PCR and a host of other bioanalytical tools that drive today's commercial, academic and clinical biotech labs.

Abstract: The invention relates to an optical sensor module (1) for a measuring device. Said module comprises at least one optical sensor (2) including a diode laser (3) having a laser cavity for generating a measuring beam, the diode laser being attached to a substrate (12), converging means (5) (such as a lens). During measuring, such converging means (5) converges the measuring beam in an action plane and converges in the laser cavity the measuring beam radiation that has been back-scattered by an object to generate a self-mixing effect and means for measuring the self-mixing effect. Later means comprise a photo diode (4) and an associated signal processing circuitry. According to an essential aspect of the invention, that the diode laser (3) is configured to emit laser radiation of a wavelength for which the substrate (12) being attached to the diode laser (3) is transparent. This configuration leads to an essentially simple (and therefore cheap) sensor module.

Abstract: An illuminating device includes: an LED device configured to irradiate light; a temperature detecting unit configured to detect a change in temperature of the LED device; and a unit configured to linearly change a drive current supplied to the LED device according to the change in temperature of the LED device.

Abstract: Enclosure door status may be detected. Light may be transmitted from a first component. The light may be received at a second component when a door is in a substantially closed position. The door may be mounted on a structure wherein an angle of incidence between the light transmitted from the first component and the second component increases proportionally to an angle of incidence between the door and the structure. The door may be determined to be in an open position when a light intensity received at the second component is less than a predetermined light intensity value that corresponds to a predetermined angle of incidence between the door and the structure. The first component may comprise a low divergence light emitting diode (LED) transmitter that may be configured to transmit light at a wavelength of approximately 950 nm. The second component may comprise a low profile silicon photodiode.

Abstract: An embodiment relates to a sensor integrated on a semiconductor substrate and comprising at least one first and second photodiode including at least one first and one second p-n junction made in such a semiconductor substrate as well as at least one first and one second antireflection coating made on top of such a first and second photodiode. At least one antireflection coating of such a first and second photodiode comprises at least one first and one second different antireflection layer to make a double layer antireflection coating suitable for obtaining for the corresponding photodiode a responsivity peak at a predetermined wavelength of an optical signal incident on the sensor. An embodiment also refers to an integration process of such a sensor, as well as to an ambient light sensor made with such a sensor.

Abstract: According to one embodiment, a stamper has a data area and servo area, and has concentric or spiral grooves formed in the data area.