Abstract: Machine learning-based methods are disclosed to intelligently generate dynamic workflows, such as dynamic call lists and priority levels of alarm notifications. To generate a dynamic call list based on an alarm notification, the system may identify electronic devices present in an area using emitted passive electromagnetic signals (e.g., RF signals such as Bluetooth, WiFi, and/or cellular). The identification of the electronic devices may be associated with known and/or unknown individuals on the premises. The RF signal data may be processed using at least one ML model to determine the severity of the alarm. Based on the processed data, the system may assign a priority level to the alarm, where the priority level may range from level 0 (no action) to level 4 (dispatch law enforcement immediately). The disclosed methods use trained machine learning models to generate a dynamic call list and identify false alarms with increased accuracy.

Abstract: A transient boost controller for controlling a transient boost circuit of a voltage regulator includes a feedback circuit and a processing circuit. The feedback circuit obtains a first feedback signal and a second feedback signal sensed from an output capacitor of the voltage regulator, wherein the first feedback signal is derived from a voltage signal at a first plate of the output capacitor, and the second feedback signal is derived from a voltage signal at a second plate of the output capacitor. The processing circuit generates a detection result according to the first feedback signal and the second feedback signal, and outputs the detection result for controlling the transient boost circuit of the voltage regulator.

Abstract: A method includes receiving a plurality of digital feedback signals from a voltage converter, controlling the voltage converter based upon a user desired brightness level and the plurality of digital feedback signals, the voltage converter receiving input from a DC voltage bus and providing output to drive a lighting load, and receiving a plurality of feedback signals from a power factor correction circuit that receives a rectified mains voltage and provides output to the DC voltage bus, and based thereupon operating the power factor correction circuit in transition mode or discontinuous mode based upon the user desired brightness level and a threshold brightness. The plurality of feedback signals include an input sense signal that is a function of the rectified mains voltage as drawn by the power factor correction circuit and an output sense signal that is a function of the output provided to the DC voltage bus.

Abstract: A hybrid light tower includes an engine, a generator configured to be driven by the engine, a battery pack, a mast, and a light assembly including a plurality of light emitting diodes. The generator is configured to produce a first DC power. The battery pack is directly electrically coupled to the generator to receive the first DC power from the generator to charge the battery pack. The light assembly is coupled to the mast and the light emitting diodes electrically coupled to the battery pack to receive a second DC power from the battery pack.

Abstract: A method includes receiving, via a wireless communication interface of a provisioning device, wireless advertisements from lighting system elements. The method further includes determining, via the provisioning device, signal strengths to the lighting system elements based on the wireless advertisements or reported signal levels between the lighting system elements. The method further includes forming a lighting control group by the following steps. First, iteratively transmitting, via the provisioning device, a flashing command to each lighting system element to cause a light source on a lighting system element to flash in order of the determined signal strengths from highest to lowest. Second, determining whether the lighting system element with the light source flashing is being added to the lighting control group. Third, assigning, via the provisioning device, some or all of the lighting system elements to the lighting control group based on the determination.

Abstract: A gas accumulation and combustion control device combining a sorption system, a ventilation system, a control system, and sensor system, with the sensor system configured to detect gas contaminants, transmit a gas detection signal to the control system, the control system configured to adjust the ventilation system based on the gas detection signal, the ventilation system configured to draw the contaminated air in from the atmosphere and lead it toward the sorption system, which in turn is configured to adsorb or absorb the gas contaminants.

Abstract: A scooter, including a main body, a front wheel, a first rear wheel, a second rear wheel, a drive part and a controller. The front wheel is rotatably arranged at a front part of the main body. The first rear wheel and the second rear wheel are spaced apart and rotatably arranged at a rear part of the main body. One drive part is provided, which is connected to the first rear wheel, and is configured to merely drive the first rear wheel to rotate, so as to driving the main body to move. The controller is electrically connected to the drive part to adjust a rotation speed of the drive part, so as to adjust a rotation speed of the first rear wheel.

Abstract: Insects are grown then harvested, mixed with ingredients, and then used to produce products. Insect are grown within an interior of an enclosure and heat is removed therefrom by providing a refrigerant vapor, condensing the refrigerant vapor to produce a liquid refrigerant, and evaporating the liquid refrigerant by transferring the heat from the interior of the enclosure to the liquid refrigerant. Insects eat feedstock and excrete insect frass which is then collected for use as a fertilizer. Also described is insect breeding and insect lipid extraction. Cannabis plants may be grown together with the insects.

Abstract: The invention relates to an emergency lighting system (100), comprising a DC bus (103), at least one driver (101) for emergency lighting means that is connected to the DC bus (103), wherein the at least one driver (101) is further connected to a local battery (102), at least one central battery (105), a bus manager (104) connected to the at least one central battery (105), wherein the bus manager (104) further comprises output terminals for connecting the bus manager (104) to the DC bus (103). The bus manager (104) comprises a communication interface (104a) for communicating with the at least one driver (101), wherein the bus manager (104) is configured to receive an energy supply information from the at least one driver (101) and/or from the central battery (105), wherein the bus manager (104) is configured to control the at least one driver (101) to receive a power supply from the local battery (102) or from the central battery (105) based on the energy supply information.

Abstract: In certain embodiments a light therapy system (e.g., phototherapy device), such as for treatment of Alzheimer's disease, depression, dementia, short-term memory, or for improved learning, improved athletic performance or improved cognitive performance, is provided where the light system comprises a blue light source that operates at a frequency in the range from 20 to 50 Hz (preferably around 40 Hz), whereby the system enables retinal ganglion cells of a human to be exposed in order to stimulate brain waves (gamma oscillations in the human's brain).

Abstract: An LED lamp and method are provided for autonomously changing the output brightness and color temperature of a plurality of LED strings to follow a first dimcurve in temporal synchronization with at least one other LED lamp. Synchronization is achieved based on a time of day determined using a clock signal. The output brightness and color temperature can transition from the first dimcurve to a second dimcurve over a predetermined number of scenes. The number of scenes is a function of a difference between the first dimcurve and the second dimcurve in at least one of the output brightness and the color temperature.

Abstract: A device includes a voltage regulator, circuits, and a current bus. Each of the circuits includes at least one LED driver. The voltage regulator supplies electrical energy to a plurality of LED groups. Each of the circuits includes a voltage measuring circuit for detecting voltage drops across the LED drivers. The LED drivers set the currents through the LED groups. Each of the circuits includes a local controller. The local controller withdraws a current from the control bus in dependence on the detected voltage drops of the LED drivers included in the circuit. A bias current source injects a bias current into the control bus. The control bus sums the currents in the current bus. The output of the regulator is controlled based on the summed current.

Abstract: A computer-implemented method for controlling two light modules, comprising the following steps: supplying a first light module with a first electric power and a second light module with a second electric power; determining a first temperature of the first light module and a second temperature of the second light module; and adjusting the first and second electric power as a function of the first and second temperature.

Abstract: A method of controlling a multicolor LED lighting device is discloses. The LED lighting device comprises at least two series-connected LED light sources with different color metric values and supplied with a current, each LED light source is controlled by a respective switch operating according to a duty cycle. The method adapts an operating current amplitude supplied to the multicolor LED lighting device based on a color point that is required by a user. The method comprises the steps of receiving a designated color metric value for the LED lighting device; determining an operating current amplitude for the LED lighting device based on a current profile over a range of color metric values and the designated color metric value, and setting the current supplied to the LED light sources to the determined operating current amplitude.

Abstract: According to an embodiment of the present disclosure, a display device includes a liquid crystal display panel; and a backlight unit configured to supply light to the liquid crystal display panel, wherein the backlight unit includes a light source array including a plurality of blocks each including a plurality of light sources, and a light source driver configured to control the plurality of blocks, the plurality of blocks are divided into a plurality of groups, and blocks belonging to a same group are arranged consecutively in a vertical direction.

Abstract: The present disclosure provides methods for generating tunable white light. The methods include using a plurality of LED strings to generate light with color points that fall within white, red, and cyan color ranges, with each LED string being driven with a separately controllable drive current in order to tune the generated light output.

Abstract: A display device is provided. The display device includes a display panel, a scaler integrated circuit, and a backlight device. The backlight device includes N light zones for providing a backlight to the display panel, wherein N is a positive integer. The backlight device lights each of the N light zones in a time-sharing manner in each of a plurality of scan periods. Each of the scan periods has a time length greater than or equal to a time length of a video active data period of the display panel. A continuous lighting time length of each of the N light zones is less than or equal to a quotient of the time length of the video active data period divided by N.

Abstract: Disclosed is a lamp control device. The lamp control device may include: a lamp having an LED channel; a channel resistor corresponding to the LED channel; and a controller configured to boost a channel resistor voltage applied to the channel resistor, and retain a channel current of the LED channel as a target current, using the boosted channel resistor voltage.

Abstract: A method of driving a plurality of LED-based light sources to provide accurate white points and saturated color points. The method includes receiving or setting a selectable target chromaticity; determining that the selectable target chromaticity is between two vertices of the global common gamut; defining an inner region within the global common gamut; calculating a first directed distance between the selectable target chromaticity and the transition boundary of the inner region and a second directed distance between the selectable target chromaticity and a straight side of the global common gamut; and modifying the selectable target chromaticity to a modified target chromaticity within a light fixture gamut based at least in part on the calculated first and second directed distances; or generating an activation signal for driving the plurality of light sources based on the selectable target chromaticity based at least in part on the calculated first and second directed distances.

Abstract: A system for emitting device for emitting emitted light, including (a) a first light emitter comprising a first LED and having only blue phosphor; (b) a second light emitter comprising a second LED and having only green phosphor; (c) a third light emitter comprising a third LED and having only red phosphor; wherein said first, second and third LEDs are blue LEDs, wherein said first and third LEDs having a peak wavelength of about 450 nm to about 455 nm; and (d) a control circuit configured to independently control said first, second and third light emitters to vary said emitted light, said emitted light falls within a 7-step MacAdam ellipse around any point on the black body locus having a correlated color temperature (CCT) between 2500K and 5500K, with each LED string being driven with a separately controllable drive current in order to tune the generated light output.

Abstract: A light bulb apparatus includes a bulb shell, an antenna, a driver, a light source plate and a bulb cap. The light source plate has a first layer and a second layer. The LED module is disposed on the first layer. The second layer includes a metal portion. The metal portion carries heat generated by the LED module for heat dissipation. The antenna is disposed upon the first layer. A bulb cap is connected to an external power. The driver is electrically connected to the antenna for receiving a wireless signal. The driver converts the external power to a driving current supplied to the LED module.

Abstract: In an LED driving device, a DC-DC controller performs control such that the voltage at an LED terminal remains equal to a reference voltage, and a reference voltage generator generates the reference voltage such that it decreases as the set value of the LED current set by an LED current setter decreases.

Abstract: A current control module is employed to protect a conductive feature of a printed circuit board (PCB) from an overcurrent event by comparing a reference voltage output from a compensation circuit connected to a reference power supply to a voltage output from a conductive feature connected to a power supply which is different from the reference power supply. The reference output voltage is representative of an anticipated voltage output from the conductive feature. The current control module is configured to initiate regulation of power to the conductive feature when the voltage output from the conductive feature exceeds the reference voltage output.

Abstract: A rectifying arrangement for an LED driver comprising a rectifying circuit and a clamping arrangement provides a low-impedance path between input terminals of the rectifying circuit in response to an abnormal operation of the rectifying arrangement, such as an open circuit of one rectifying branch of the rectifying arrangement. The low-impedance path is maintained for a plurality of cycles of an AC power supply provided to the rectifying circuit, and can be maintained on a (semi-)permanent basis.

Abstract: A synchronous control system is provided. A transmission device 1 includes a reception unit 11 that receives a control signal for a lighting device in a live event site and a transmission unit 13 that transmits, to a reception device in a live viewing site, the control signal to which an output time is appended. The output time is obtained by adding a predetermined period of time to a receipt time at which the control signal is received. A reception device 2 includes a reception unit 21 that receives the control signal to which the output time is appended, and an output control unit 13 that outputs the control signal to a lighting device 6 in the live viewing site at the output time, and allows the control of the lighting device 6 to synchronize with at least one of video and audio to be played in the live viewing site.

Abstract: Disclosed is a lighting device with low-power consumption, including: a rectification circuit, a supply circuit of intelligent module, an intelligent module, a silicon controlled dimming circuit, a white light driving circuit, a white light lamp panel, a RGB driving circuit, and a RGB lamp panel. The above lighting device with low-power consumption can provide maintenance current through the silicon controlled dimming circuit. During operation of the white light driving circuit, the silicon controlled dimming circuit keeps working consistently. When the lighting function is turned off, the silicon controlled dimming circuit turns off the output and enters a standby state.

Abstract: A color temperature switching scheme for an LED lighting device is disclosed. The color temperature switching scheme comprises a plurality of different color temperature performances correspondingly generated by a plurality of different paired combinations of a first electric power allocated to a first LED load emitting a light with a first color temperature and a second electric power allocated to a second LED load emitting a light with a second color temperature such that a mingled color temperature between the first color temperature and the second color temperature can be generated thru a light diffuser. For tuning the mingled color temperature of the LED lighting device a reverse yet complementary power adjustment process for distributing a total electric power T between the first LED circuit and the second LED circuit is required such that a total light intensity remains unchanged while the mingled color temperature is being adjusted.

Abstract: A load sensing circuit includes a load coupled to a load source having a load voltage that causes a load signal to flow through the load. A regulated sink circuit is coupled in series to a sink source and the load, and provides a sink voltage. A comparison circuit a reference signal that establishes a reference value of a second electrical characteristic at a reference input; a sense input is coupled to the load and to the regulated sink circuit. The regulated sink circuit regulates the first electrical characteristic of the load signal, based on a regulation signal, so that a sense value of the second electrical characteristic present at the sense input matches the reference value of the second electrical characteristic. A comparison signal is generated at an output of the comparison circuit, and indicates a difference between the sense value of the second electrical characteristic and the reference value of the second electrical characteristic.

Abstract: A method for controlling an electronic device with a remote control includes detecting a motion of the remote control and determining a command associated with the detected motion. The determined command is sent from the remote control to the electronic device. A corresponding remote control includes a motion detector for detecting a motion of the remote control, a device for determining a command associated with the detected motion, and a transmitter for sending the determined command to the electronic device.

Abstract: A network configuration method includes: obtaining, by a first application of a mobile device, label information of an internet of things device to be network-configured; obtaining, by the first application, information about a second application that is for configuring a network for the internet of things device; sending, by the first application, a first message to a first service of the mobile device, wherein the first message indicates to start the first service and comprises the information about the second application; discovering, by the first service, the internet of things device to be network-configured; sending, by the first service, a second message to a second service of the mobile device, wherein the second message indicates to start the second application and comprises the information about the second application; and starting, by the second service, the second application based on the second message.

Abstract: Provided are a display device and an operating method thereof. The display device includes a liquid crystal display panel, a backlight unit including a plurality of light sources for supplying light to the liquid crystal display panel and driven in a state of being divided into a plurality of blocks corresponding to the number of the light sources, and a backlight dimming controller configured to calculate dimming values of the plurality of blocks. The backlight dimming controller is configured to divide each of the plurality of blocks into a plurality of unit blocks and control brightness of an output image differently for each of the unit blocks.

Abstract: A method supplies a lighting device with electrical energy, wherein the lighting device includes at least two integrated circuits with at least one LED group by a current source associated with this LED group. The method includes generating a supply voltage by a voltage regulator, adjusting a LED group current passing the LED groups by one of the respective current sources , detecting the voltage drops across the current sources, selecting one voltage drop of each integrated circuit as a characteristic voltage drop, generating a control value of the respective integrated circuit, according to the characteristic voltage drop, reducing the control voltage when the control voltage is greater than a control value of the respective integrated circuit, and controlling the output voltage in accordance with the control voltage and/or in accordance with a control bus voltage derived from the control voltage.

Abstract: A lighting device for generating a white mixed light having controllable spectral characteristics is provided. The lighting device comprises a number of white light sources for each making a contribution to the white mixed light by generating a white light with a respective spectral expression in each case that can be quantitatively characterized, so that the white lights generated by the white light sources can form corner points of a target range for the resulting mixed light in a spectral light parameter space. The lighting device further comprises control electronics for controlling proportional contributions of the white light sources so that the position corresponding to the resulting mixed white light can be varied within the target area spanned on the corner points in the spectral light parameter space.

Abstract: An endoscope processor that is able to promptly adjust functions. The endoscope processor includes a processor executing program code to perform: displaying, by processor, on a touch panel a setting region where an on-off switch accepting switching between an on state and an off state of a function of an endoscope is combined with an adjustment switch accepting adjustment of a level of the function; accepting, by the processor, operations performed on the on-off switch and the adjustment switch that are displayed; and changing, by the processor, an operating state of the function based on an accepted operation.

Abstract: A disinfecting tracking network for creating healthier environments. The system and methods for tracking and utilizing this information to build and maintain healthier environments with a laboratory approach to data inputs. This system is a cloud based system with IOT interface and APIs to enable broad reaching inputs for analysis. This system creates a safer ecosystem and cross statistic sharing of performance parameters.

Abstract: A lighting system including monitoring of input power and output power parameters to a set of lighting loads to detect power faults and/or anomalies. The set of sensing circuits include primary side and secondary side sensing circuits that communicate with a set of monitoring circuits to process the information supplied by the sensing circuits. If a fault and/or anomaly is sensed or detected, a signal is transmitted to provide an alert.

Abstract: The present disclosure provides methods for generating white light. The methods use a plurality of LED strings to generate light with color points that fall within blue, yellow/green, red, and cyan color ranges, with each LED string being driven with a separately controllable drive current in order to tune the generated light output.

Abstract: The invention provides a light generating device (1000), wherein: (I) the light generating device (1000) comprises: (a) a first light source (110) configured to generate first light source light (111) having a first light source light spectral power distribution, wherein the first light source (110) comprises a first laser light source (10) configured to generate first laser light source light (11); (b) a first luminescent material (210) configured to convert at least part of the first light source light (111) into first luminescent material light (211) having a first luminescent material spectral power distribution having an emission at one or more wavelengths selected from the wavelength range of 590-780 nm, wherein the first luminescent material (210) is configured in an optical resonator (230); (II) the first light source (110) and the first luminescent material (210) are configured to generate first luminescent material laser light (1211) having a first luminescent material laser light spectral power dis

Abstract: An illuminator includes: a light emitter including a light-emitting diode; a temperature sensor configured to detect a current temperature of the light emitter; and an illumination controller configured to adjust a drive voltage being supplied to the light emitter in accordance with the current temperature. The illumination controller includes a reference temperature storage in which a reference temperature is stored in advance and is configured to adjust the drive voltage by detecting the current temperature from the temperature sensor on a constant time cycle and comparing the current temperature with the reference temperature.

Abstract: An LED dimming device with a high refresh rate and smooth dimming includes a constant current source circuit and an LED dimming circuit that are sequentially connected in series. The LED dimming circuit includes an LED and a first electronic switch. A positive electrode of the LED is connected to an output end of the constant current source circuit. The first electronic switch is connected in parallel at both ends of the LED. The LED dimming device further includes an energy release circuit and a first control circuit. The energy release circuit is connected in series with the first electronic switch to release excess energy in the constant current source circuit. The first control circuit is connected to the first electronic switch to control turning on or off of the first electronic switch.

Abstract: A gaming machine includes a cabinet, a display device, a lighting assembly including at least one light-emitting device, game-logic circuitry that conducts one or more casino wagering games and generates graphical data, and a display controller communicatively coupled to the display device and the lighting assembly. The graphical data includes display data and lighting data as pixel values. The display controller causes the display device to present display content associated with the one or more casino wagering games. The display controller receives the graphical data from the game-logic circuitry, extracts the lighting data and the display data from the graphical data, converts the lighting data from pixel values to lighting control parameters accepted by the lighting assembly, causes the display device to present the display content based on the display data, and causes the lighting assembly to emit light based on the lighting control parameters of the lighting data.

Abstract: A display may include illumination optics, a ferroelectric liquid crystal on silicon (fLCOS) panel, and a waveguide. The illumination optics may include a red, green, and blue light sources. The fLCOS panel may produce image light by modulating a series of image frames onto illumination light. Control circuitry may control the illumination optics to produce the illumination light for each image frame in the series of image frames according to a green-heavy illumination sequence that includes first, second, and third time periods. The green light source may be active during each of the first, second, and third time periods. This may allow the green light source to be driven with a lower current density than the other light sources without significantly reducing image quality at an eye box. The lower current density may match the peak efficiency of the green light source, thereby minimizing power consumption by the display.

Abstract: Disclosed are a charge pump control circuit, a display panel and a display device. In particular, the charge pump control circuit includes: a first sampling identification module, in particular, a sampling terminal of a first sampling identification module is connected to the series branch circuit, the first sampling identification module is configured to sample the input voltage of the series branch circuit, and in a determination that the series branch circuit is in a heavy load working condition according to the input voltage of the series branch circuit, a first switching signal is output; in a determination that the series branch circuit is in a light load working condition according to the input voltage of the series branch circuit, a second switching signal is output.

Abstract: Disclosed in the embodiments of the present disclosure are a display panel and a display device. The display panel includes: a display area and a peripheral area surrounding the display area, the display area includes a first display area and a second display area; a plurality of virtual pixel circuits and a plurality of drive pixel circuits, the plurality of virtual pixel circuits are arranged in the peripheral area, and the plurality of drive pixel circuits are arranged in the second display area; the plurality of first light emitting devices are arranged in the first display area, and the plurality of second light emitting devices are arranged in the second display area; the virtual pixel circuit is electrically connected with the first light emitting device, and the drive pixel circuit is electrically connected with the second light emitting device.

Abstract: A lighting device comprising: a first LED having a wavelength of maximum emission intensity from 620 nm to 640 nm; a second LED having a wavelength of maximum emission intensity from 500 nm to 565 nm; a third LED having a wavelength of maximum emission intensity from 430 nm to 480 nm; and a fourth LED for generating light comprising a CCT in a range from 1800K to 5000K. The first LED comprises a Phosphor-Converted LED comprising a first LED chip having a maximum emission intensity wavelength from 400 nm to 480 nm, and a narrowband red phosphor with a FWHM less than 55 nm. Light generated by the device comprises a combination of light generated by the first, second, third, and fourth LEDs and a CCT of light generated by the device is tunable by independently controlling power to the first, second, third, and fourth LEDs.

Abstract: An intelligent dimming RGB LED spotlight comprises an outer shell, a lamp base and a lampshade. A drive board connects to the lamp base and a light source board. The light source board is provided with dense ordinary-color-temperature lamp beads and RGB color-changing lamp beads, and is connected above to the lampshade corresponding to the RGB color-changing lamp beads. A method for achieving the intelligent dimming RGB LED spotlight includes the lampshade scattering the light emitted by the RGB color-changing lamp beads, so as to reduce the light intensity and make the light-emitting area larger and the emitted light more uniform, while it does not block the light emitted by the ordinary-color-temperature lamp beads, which makes the generated light spot have balanced illumination and a uniform and high-purity color in the color-changing process of a variety of colors, able to achieve the effect of AA level of GB illumination.

Abstract: A platform for design of a lighting installation generally includes an automated search engine for retrieving and storing a plurality of lighting objects in a lighting object library and a lighting design environment providing a visual representation of a lighting space containing lighting space objects and lighting objects. The visual representation is based on properties of the lighting space objects and lighting objects obtained from the lighting object library. A plurality of aesthetic filters is configured to permit a designer in a design environment to adjust parameters of the plurality of lighting objects handled in the design environment to provide a desired collective lighting effect using the plurality of lighting objects.

Abstract: The present invention relates to torque application tools, such as a torque screwdriver and ratchet tools, with one or more light indicators disposed in a ring shape around the tool. The light indicators are adapted to indicate amounts of torque values and/or angle values as the tool is used to tighten or install a work piece. For example, the light indicators may flash at a first flashing rate, when about 40% of a target torque or angle value is applied; flash at a second flashing rate (greater or faster than the first flashing rate) when about 60% of the target torque or angle value is applied; and illuminate at a solid state when about 80% of the target torque or angle value is applied.

Abstract: Apparatus and methods for controlling correlated color temperature (CCT) and lighting intensity in lighting fixtures are described. The CCT and intensity may be controlled independently over conventional AC wiring using a conventional dimmer. A lighting controller that resembles a conventional dimmer and that can be installed in place of a dimmer may be used instead of a conventional dimmer to access more control functionalities, still using conventional AC wiring. Wireless communication with the lighting fixture and/or lighting controller are possible.

Abstract: The present invention provides a calibration device for an optical detector comprising a light emitting diode 1, and an electronic circuit 3 for driving the light emitting diode 1, wherein the electronic circuit 3 is a constant current generator configured to supply a constant driving current to the light emitting diode 1 in the range of 0.5 to 25 ?A. Furthermore, the present invention provides a setting device for setting at least one calibration point for a calibration device as described above. The setting device comprises a light detector 51 configured to output a signal representing the light emission intensity of a calibration device under examination, a controller 53 for controlling the constant driving current of the calibration device under examination, and a calibration point setting means 55 for setting at least one calibration point for the calibration device under examination.