Abstract: The present application provides a method for detecting a broken fanout wire of a display substrate, and a display substrate, and belongs to the field of display technology. In the method for detecting a broken fanout wire, the display substrate includes a base substrate having first and second surfaces opposite to each other, and a plurality of connection structures disposed at intervals on the first surface; and each connection structure includes first and second pads and a fanout wire electrically connecting the first pad to the second pad. The method for detecting a broken fanout wire includes: forming at least one detection unit, which includes: connecting at least two connection structures in series through a connecting part; and measuring a head and an end of the detection unit to obtain resistance of the detection unit, and determining whether there is a broken fanout wire in the detection unit.

Abstract: A modular vehicle accessory mounting system which includes one or more extruded rails designed to attach along a edge of the installation vehicle, one or more modular accessory modules that attach to the extruded rail as well as one or more communication modules that provide power to the accessory modules and serves as a communication bridge between the system and the vehicle or outside world. Generally speaking, these components may be structured to provide a low-profile mounting system for auxiliary illumination and other accessories along the edges of vehicles.

Abstract: A display substrate and a display panel are disclosed. The display substrate includes a base substrate having an active area and a peripheral area surrounding the active area; a plurality of sub-pixels, in the active area; a plurality of first pins and a plurality of second pins located in the peripheral area; a plurality of first array test pins located between the plurality of first pins and the plurality of second pins and respectively electrically coupled to a plurality of array test signal lines; and a plurality of second array test pins located between the plurality of first pins and the plurality of second pins and extending in a direction along a boundary of the active area, wherein the plurality of first array test pins are located on at least one side of the plurality of second array test pins in the direction along the boundary of the active area.

Abstract: A load regulation device for controlling the amount of power delivered to an electrical load may be able to calibrate the magnitude of an output voltage of the load regulation device in order to control the magnitude of a load voltage across the electrical load to a predetermined level. The load regulation device may receive the feedback from a calibration device adapted to be coupled to load wiring near the electrical load. The feedback may indicate when the magnitude of the load voltage across the electrical load has reached a predetermined level. The load regulation device may gradually adjust the magnitude of the output voltage, receive the feedback from the calibration device, and then use the feedback to determine the magnitude of the output voltage corresponding to when the magnitude of the load voltage across the electrical load has reached the predetermined level.

Abstract: A testing device for testing a display module may include touch test pads electrically connected to touch pads of a display module, a first power test pad and a second power test pad electrically connected to a first power pad and a second power pad of the display module, a voltage generator providing a first test power voltage and a second power test voltage to the first power test pad and second power test pad, and a capacitance measurement circuit measuring capacitance between the first power test pad and second power test pad.

Abstract: A system may include a light source. A converter may be configured to convert an AC voltage to a DC operating voltage during normal operation. A power backup device may be coupled to the converter. A current source may have a first terminal configured to receive the DC operating voltage during regular operation and a second terminal configured to provide a pulse-width modulated (PWM) signal to an anode end of the light source. A switching device may have a first connecting terminal coupled to the anode end of the light source, a second connecting terminal coupled to the power backup device, and a control terminal coupled to the converter. The switching device may be configured to open a switch between the first connecting terminal and the second connecting terminal during normal operation and close the switch upon detecting an interruption of the DC operating voltage at the control terminal.

Abstract: A lighting device, such as a light-emitting diode (LED) light source, may operate in an interim operable state to avoid and/or prevent undesirable characteristics in the light emitted by the lighting device (e.g., strobing and/or flickering of a brightness of the light and/or shifting or change of a color of the light). When operating in a normal state, the control circuit may determine if a measured value of a first operational characteristic (e.g., a forward voltage of an emitter of the lighting device) is outside of a range and operate in the interim operable state if the measured value of the first operational characteristic is outside of the range. When operating in the interim operable state, the control circuit may adjust a drive current for the emitter in response to a measured value of a second operational characteristic (e.g., a forward voltage of a detector of the lighting device).

Abstract: The present disclosure provides an active-matrix organic light-emitting diode (AMOLED) display panel and a display device. The AMOLED display panel includes a plurality of first pixel units and a plurality of second pixel units. The first pixel unit includes a first sub-pixel and a second sub-pixel. The present disclosure is achieved by the first sub-pixel and the second sub-pixel in the first pixel unit to share one of the data lines, and by another first sub-pixel and a third sub-pixel in the second pixel unit to share one of the data lines, such that a quantity of data lines and a quantity of fan-out wires are reduced, so as to reduce a size of a lower bezel.

Abstract: A controller for controlling a battery-powered luminaire in a lighting network comprises: a network interface for communicating with the lighting network; and control logic for controlling at least one illumination source of the battery-powered luminaire; wherein the control logic is configured to: detect a failure of at least one mains-powered luminaire in the lighting network, determine that the mains-powered luminaire was emitting or had been instructed to emit a visual alert when the failure occurred, and control the at least one illumination source of the battery-powered luminaire to emit a version of that visual alert in response, the failure being detected based on a loss of communication, within the lighting network, with the mains-powered luminaire.

Abstract: A voltage adjustment method, a voltage adjustment device and a display device are provided. The voltage adjustment method is applied to a display device, and includes: determining an offset reference voltage, the offset reference voltage is smaller than or equal to a voltage obtained by subtracting a minimum gamma voltage of the display device from a minimum initial pixel voltage among initial pixel voltages of all pixels on a display screen of a current frame of the display device; decreasing a common voltage of the display device by the offset reference voltage; and decreasing an initial pixel voltage of each pixel on the display screen of the current frame of the display device by the offset reference voltage.

Abstract: Embodiments relate to functional test methods useful for fabricating products containing Light Emitting Diode (LED) structures. In particular, LED arrays are functionally tested by injecting current via a displacement current coupling device using a field plate comprising of an electrode and insulator placed in close proximity to the LED array. A controlled voltage waveform is then applied to the field plate electrode to excite the LED devices in parallel for high-throughput. A camera records the individual light emission resulting from the electrical excitation to yield a function test of a plurality of LED devices. Changing the voltage conditions can excite the LEDs at differing current density levels to functionally measure external quantum efficiency and other important device functional parameters.

Abstract: A device may perform a testing operation on a device under test. The device may obtain test result data based on performing the testing operation on the device under test. The device may identify a user device that is to receive the test result data associated with the device under test from the device and via a network. The device may be in communication with a set of user devices via the network. The set of user devices may include the user device. The user device may control operation of the device. The device may determine network condition information associated with the user device and the network. The device may provide, using a technique that is based on the network condition information, the test result data to the user device. The user device may receive the test result data based on controlling operation of the device.

Abstract: A display apparatus includes a substrate having a display area and a peripheral area, wirings over the peripheral area that extend in a first through third areas, an interval between the wirings in the second area is greater than an interval between the wirings in each of the first and third areas, an insulating layer covering the wirings and having a first uneven surface corresponding to the wirings, a first conductive layer over the insulating layer and including a second uneven surface corresponding to the first uneven surface, a flat planarization layer over the first conductive layer and exposing at least a portion of the first conductive layer, a second conductive layer electrically connected to the first conductive layer, at least a portion of the second conductive layer is over the planarization layer, and a polarization plate on the second conductive layer.

Abstract: An imaging apparatus includes an image sensor and an image processor. The image sensor has at least one type of color filter and a specific filter disposed thereon in a manner corresponding to each pixel on a light receiving surface. The specific filter transmits light in a particular wavelength range in which spectral irradiance of sunlight is lower than that in wavelength ranges adjacent to either side of the particular wavelength range. The image processor detects an emission state of a particular light source based on a signal component of an image signal generated by pixels having the specific filters thereon. The particular light source is different from the sunlight.

Abstract: A wireless lighting system for an aircraft evacuation system. The wireless lighting system includes a wireless controller disposed in the aircraft having at least a transmitter configured to communicate an activation under an aircraft evacuation event when the aircraft evacuation system is deployed, and a first light source disposed on the aircraft evacuation system, the first light source configured to provide illumination to the aircraft evacuation system. The wireless lighting system also includes a first energy storage device disposed on the aircraft evacuation system and a first wireless receiver disposed on the aircraft evacuation system and configured to receive the activation signal from the wireless controller. The first wireless receiver is operably connected to the first energy storage device and the first light source and configured to activate the first light source based on the activation signal.

Abstract: A display device includes a display panel including pixels, a degradation compensator configured to divide the display panel into one or more unit blocks initially including reference pixels, to calculate a stress data using the unit blocks, and to compensate an image data to generate a compensation data based on an accumulate stress data including an accumulation of the stress data, a data driver configured to generate a data signal based on the compensation data provided from the degradation compensator, and to provide the data signal to the pixels, a scan driver configured to provide a scan signal to the pixels, and a timing controller configured to control the data driver and the scan driver, wherein the degradation compensator is configured to generate the accumulate stress data including the stress data of adjacent pixels that are adjacent to the reference pixels by moving the unit blocks in a moving path.

Abstract: An evacuation slide including a sliding face having a top end portion adapted to be positioned adjacent to an exit of a region to be evacuated, and a bottom end portion adapted to be positioned adjacent to an escape route leading away from the region to be evacuated and being arranged at a lower height than the region to be evacuated. A light signal generating device is adapted to generate a light signal which illuminates the bottom end portion of the sliding face.

Abstract: A repairing method of an organic light emitting diode display, including: a repairability checking step for applying a first positive bias to a pixel including a driving transistor and an organic light emitting diode based on the organic light emitting diode; and a stress applying step for applying a second positive bias that is greater than the first positive bias to the organic light emitting diode.

Abstract: Various embodiments relate to systems and methods for controlling one or more LED-based lighting sources that are coupled to a logic module by a ribbon cable. The ribbon cable allows some or all of the processing components (e.g., processors and drivers) to be decoupled from the LED-based lighting source(s). The processing components can instead be housed within the logic module, which is able to simultaneously control the LED-based lighting source(s). Together with color models established for each LED board, the logic module acts as a platform for modularity and is able to more precisely control the color channels of each LED-based lighting source using the color models established for those LED-based lighting source(s). Techniques are also described herein that allow the logic module to utilize data stored within an erasable programmable read-only memory (EPROM) that describes the color characteristics of an LED-based lighting source.

Abstract: A method for performing self-diagnosis in a light fixture. The method includes receiving data corresponding to a plurality of environmental conditions from one or more sensors. The one or more sensors are positioned in a sensor cavity of a light fixture wherein a plurality of conduits provide a sealed path between a plurality of LED modules of the light fixture and the sensor cavity such that the LED modules, the conduits and the sensor cavity exhibit a plurality of environmental conditions. The method also includes analyzing the data to determine if at least one of the plurality of environmental conditions has undergone one or more of the following changes: a change so that a value of the at least one environmental condition exceeds a threshold level, a threshold change compared to a corresponding constant level, or a rate of change that is greater than a threshold value.

Abstract: In some embodiments, apparatuses and methods are provided herein useful to presenting a virtual representation of a user's environment based on activity in the user's environment. In some embodiments, a system comprises one or more sensors, wherein the one or more sensors are located about the user's environment and configured to detect the activity within the user's environment and transmit, to a control circuit, indications of the activity, the control circuit configured to receive, from the one or more sensors, the indications of the activity within the user's environment, generate the virtual representation of the user's environment, and render, based on the indications of the activity, the virtual representation of the user's environment to include representations of the activity within the user's environment, and a display device, the display device configured to present the virtual representation of the user's environment including the representations of the activity within the user's environment.

Abstract: A method comprising: providing a light source in the form of a luminaire or lamp operable to emit light into an environment, the light source being activated from a time at which the light source is first deployed into said environment to enable the light to be controlled via a first communication channel, but having a capability for the light to be controlled via a second communication channel being electronically deactivated at the time of deployment; then after the time of deployment of the light source into the environment, receiving a request to upgrade the light source; and in response to this request, sending activation data to the light source or a user of the light source, thereby enabling the capability for the light to be controlled via the second communication channel to be electronically activated.

Abstract: A luminaire includes a microcontroller and program logic that calculates the operational age of a light engine that includes a plurality of light emitting diodes connected in series. The program logic uses changes in transition voltage to calculate the operational age of a light engine. Changes in forward voltage across the light engine are used to detect sudden catastrophic failure of individual light emitting diodes. In response to the sudden catastrophic failure of one of the light emitting diodes, the program logic adjusts the power provided to the light engine based on the calculated operational age of the light engine. For example, the operational age of the light engine may be compared with a warrantied lifespan, and the power may be adjusted to increase the likelihood of compliance with the warranty.

Abstract: A device for providing power to a light arrangement (1) having a current conducting state and a current blocking state.

Abstract: A lighting circuit for blinking a light-emitting unit having plural light sources is equipped with an abnormality detection unit which generates abnormality information when detecting an abnormality in even one of the plural light sources, and a holding circuit which holds the abnormality information during a period when the lighting circuit is supplied with a blinking signal. The lighting circuit supplies a drive current(s) to the plural light sources according to the blinking signal and stops supplying a drive current(s) to all of the plural light sources according to the abnormality information being held by the holding circuit.

Abstract: A display panel is discussed. The display panel according to an embodiment includes driver integrated circuits (ICs); data lines disposed in an active region; input pads disposed in a pad region; output pads disposed in a first inspection circuit included in the pad region, the output pads receiving first signals from the input pads; and a first switching circuit disposed in the first inspection circuit and connected to the output pads. The first switching circuit is configured to supply the first signals to the data lines. The display panel further includes first signal lines configured to supply the first signals to the output pads; a second switching circuit disposed in a second inspection circuit and connected to the data lines in the active region; and a second signal line configured to supply second signals to the second switching circuit.

Abstract: The present patent application is related to the field of display devices, and provides a display device with panel test circuit the attenuation of data voltage signal could be reduced in the programs of testing pixel array. The display device comprises a plurality of first and second type of bonding pads located on the substrate and around periphery of the pixel array, and the panel test circuit has transistors, the transistors are disposed on the substrate and around periphery of the pixel array, a plurality of data lines of the pixel array are electrically connected with the second type of bonding pads one-to-one, and data detection signal applied to the first type of bonding pads is transmitted to the second type of bonding pads through the panel test circuit.

Abstract: To provide an electronic device that can detect an abnormality in an element with a simple configuration. An electronic device 1 includes: a first element string group 21 formed by at least one element string 211 to 21m connected in parallel, the element string 211 to 21m being formed by at least one element connected in series; a second element string group 22 formed by the element string 221 to 22n being at least one in number and connected in parallel; and an abnormality detecting unit 4 that detects an abnormality in the element string 211 to 21m and 221 to 22n forming at least one of the first element string group 21 and the second element string group 22, based on whether or not a first current I21 being the sum of current flowing through the element string 211 to 21m forming the first element string group 21 and a second current I22 being the sum of current flowing through the element string 221 to 22n forming the second element string group 22 satisfy a prescribed relationship.

Abstract: A method for operating an optoelectronic assembly which includes at least one component string having at least one section, wherein the section includes at least one light emitting diode element, is provided. According to the method, the component string is supplied with electrical energy, the supply of the component string with electrical energy is interrupted, a total voltage is detected, which is present between an input and an output of the section of the component string, the total voltage is compared with a sum of threshold voltages of all the light emitting diode elements. It is identified that the section has no short circuit if the total voltage is equal or at least approximately equal to the sum of the threshold voltages, and/or it is identified that the section has a short circuit if the total voltage is less than the sum of the threshold voltages.

Abstract: A method for operating an optoelectronic assembly which includes at least one component string having at least one section, wherein the section includes at least one light emitting diode element, is provided. According to the method, the component string is supplied with electrical energy, the supply of the component string with electrical energy is interrupted, a total voltage is detected, which is present between an input and an output of the section of the component string, the total voltage is compared with a sum of threshold voltages of all the light emitting diode elements. It is identified that the section has no short circuit if the total voltage is equal or at least approximately equal to the sum of the threshold voltages, and/or it is identified that the section has a short circuit if the total voltage is less than the sum of the threshold voltages.

Abstract: A self-healing overtemp circuit is described and illustrated comprising a temperature sensing circuit, a voltage sensing circuit, and optionally, a current sensing circuit. The self-healing overtemp circuit is designed to ramp down power in an LED lighting system (or other electrical circuit) in response to a sensed or impending thermal runaway (and optionally, overcurrent) event. Said thermal runaway and overcurrent events may be a result of failure of one or more components (e.g., driver, active cooling means) of the lighting system. The self-healing overtemp circuit further comprises means of restoring power to said LEDs in a manner that avoids (i) a perceivably bright flash of light or (ii) increased risk of component failure.

Abstract: In various embodiments, an optoelectronic assembly may include at least one organic light emitting diode including a first light emitting diode element and a second light emitting diode element, and an electronic circuit. The first light emitting diode element and the second light emitting diode element are electrically connected in parallel and are deposited monolithically on a common substrate, and the electronic circuit is designed to compare an electric current through the first light emitting diode element that flows during operation with an electric current through the second light emitting diode element that flows during operation and, depending on the comparison, to detect a short circuit of the first light emitting diode element or of the second light emitting diode element and to initiate an electrical switching off of one of the light emitting diode elements and/or of the assembly.

Abstract: A light sensor assembly includes a base configured to be fixedly mounted to a housing of a light fixture. The base holds contacts configured to be electrically connected to terminals of the light fixture. A photocell module is provided on the base and includes a photocell electrically connected to the contacts. A sensor lid is coupled to the base. The sensor lid has a lightpipe directing light from an exterior of the sensor lid to the photocell. The sensor lid is variably positionable at different angular positions relative to the base to change an orientation of the lightpipe relative to the photocell.

Abstract: According to one embodiment, a diagnostic device (8) for identifying a defect in an LED light string includes a probe (18) and a polarity selector switch (16). The LED light string includes a conductor provided within an insulation layer. The probe (18) is configured to penetrate the insulation layer and contact the conductor of an LED light string. The polarity selector switch (16) is electrically coupled to the probe (18) and configured to control the polarity of an electrical waveform provided to the probe (18).

Abstract: A system and method of testing High Brightness LED (HBLED) is provided, and more particularly, a system and method of Controlled Energy Testing of HBLED with improved accuracy and repeatability is provided. In one embodiment, the system includes a programmable constant power source for providing a constant power to a Device Under Test (DUT), in this case, an HBLED, wherein the programmable constant power source adjusts an output voltage or an output current to ensure that a given amount of power is supplied to the HBLED for a predetermined amount of time and to provide precise control of a junction temperature of the HBLED for the duration of the test sequences; a Parametric Measurement Unit (PMU) including a processor for executing a plurality of HBLED test sequences, and a spectrometer for measuring a set of HBLED parameters including power and color (wavelength) of an optical output of the HBLED; and a controller for coordinating timing of acquiring the set of measured HBLED parameters.

Abstract: A detection apparatus for light-emitting diode chip comprising a substrate with the function of photoelectric conversion and a probing device is disclosed. The substrate is designed to bear at least one light-emitting diode chip. The probing device comprises a power supply and at least two conductive elements. The two ends of the conductive elements are respectively electrically connected to the light-emitting diode chip and the power supply to enable the light-emitting diode chip to emit light beams. Some of the light beams are emitted from the light-emitting diode chip toward the substrate such that the light beams emitted by the light-emitting diode chip are converted into an electric signal by the substrate.

Abstract: The subject matter included in this disclosure can be embodied in a method that includes receiving information representative of a location and status of a streetlight included in a network of streetlights, and detecting, using a computing device, a fault condition of the streetlight, based on the status information. The method also includes determining, using the computing device, a corrective action to resolve the fault condition, and transmitting information related to the corrective action, including instructions for a human personnel to follow, for resolving the fault condition.

Abstract: The disclosure provides a system and method for multi-functional online testing of semiconductor light-emitting devices or modules. The system includes an electrical characteristic generating and testing equipment, one or more optical characteristic detecting and controlling equipments, an optical signal processing and analyzing equipment, one or more thermal characteristic detecting equipments, a central monitoring and processing computer, a multi-channel integrated drive controlling equipment, one or more multi-stress accelerated degradation controlling equipments, and one or more load boards. The present disclosure enables in-situ online monitoring and testing under accelerated degradation in a multi-stress accelerated degradation environment.

Abstract: A backlight module is disclosed. The backlight module comprises a circuit board, at least one light source disposed on the circuit board, and a positive probe-point and a negative probe-point, both provided on the circuit board. The positive and negative probe-points are electrically connected to the light source, and the positive probe-point and the negative probe-point are electrically connected with a current dividing element so that the light source is connected in parallel with the current dividing element. The positive probe-point and the negative probe-point are also collectively configured to detect an electrostatic damage of the backlight module.

Abstract: A method of performing a hot test of a packaged phosphor converted light-emitting diode (pc-LED) includes selectively heating portions of the phosphor layer using a laser to provide a predetermined temperature gradient in the phosphor layer. The selective heating can directly heat the silicone in a silicone-based phosphor layer, or directly heat the active ion(s) of the phosphor in a Lumiramic™-based phosphor or even the active ion(s) of a silicone-based phosphor layer. A current is applied to the InGaN film to establish a predetermined temperature at the InGaN film junction, the film junction being adjacent to the phosphor layer. Photometric measurements are performed on the LED after the selective heating and during the applied electroluminescent current. This method quickly establishes the temperatures and temperature gradients in the LED consistent with those of an operating, product-level LED, thereby ensuring accurate binning of the LED.

Abstract: An exemplary embodiment of the present invention discloses a voltage generation circuit of a display apparatus, including at least one resistor, a memory configured to store a resistance value set signal, a controller changing a resistance value of the resistor referring to the resistance value set stored in the memory, and a voltage generator connected to one end of the resistor and is configured to receive an input current corresponding to the resistance value of the resistor and generate a gate-on voltage corresponding to the input current.

Abstract: An apparatus for checking a rear lamp includes a sensor and a controller. The sensor is disposed in at least one rear lamp and configured to obtain a first signal generated from the outside. The controller is configured to turn on the at least one rear lamp according to the first signal.

Abstract: This disclosure provides systems, methods and apparatus for measuring capacitance of a display unit, such as an interferometric modulator (IMOD). In one example, a circuit may include an operational amplifier (op-amp), a voltage controlled current source, and feedback from an output of the op-amp as an input to the voltage controlled current source. An output of the voltage controlled current source may be provided to a display unit as well as an input of the op-amp. A second input of the op-amp may be provided a ramping reference voltage.

Abstract: A diagnostic circuit for inspecting a light-emitting device having light-emitting elements. The diagnostic circuit includes a power source module, a buffer module, and an abnormality detection module. The buffer module includes a plurality of buffers. Each buffer has a buffer input terminal and a buffer output terminal. The buffer input terminal receives a first power source signal from the power source module, and the buffer output terminal outputs a second power source signal to one of the light-emitting elements. The abnormality detection module includes a plurality of comparators. Each comparator has a pair of detection input terminals and a detection output terminal. The detection input terminals is configured to receive the first and second power source signals. The detection output terminal outputs a comparison signal to generate a diagnostic result.

Abstract: Provided is an apparatus for sensing a failure that may apply, using a current control unit, a current to at least one first light emitting diode (LED) string and at least one second LED string that may be connected in parallel with each other, and as a result of sensing whether a failure occurs with respect to each of the at least one first LED string and the at least one second LED string, when a failure is sensed with respect to at least one of the at least one first LED string and the at least one second LED string, may transmit failure information to the current control unit, thereby blocking the entire current that may be applied to the at least one first LED string and the at least one second LED string, using the current control unit.

Abstract: The present invention is directed, in part, to an apparatus and methods thereof that effectively allow the testing, detection and identification of non-functioning light bulbs used in typical string lighting assemblies set up in series. The invention creates a circuit that determines whether there is a damaged bulb in holiday or occasion lighting assemblies by employing use of a power source, such as for example, a 9-volt battery, two wire leads and two terminals that create an electrical circuit when the terminals are attached to the lighting assembly wiring by means of the terminals. When the test kit is attached and the bulbs fail to illuminate, a user is thereby informed that a bulb within that series is damaged or otherwise non-functional. By further narrowing the number of bulbs tested, the kit allows the user to identify the damaged bulb and replace the bulb quickly and easily.

Abstract: A panel for a display device includes a display unit, an electrostatic protection wire, a wire being connected to the display pixels, an electrostatic protection circuit, and an electrostatic protection circuit control line. The display unit includes a plurality of display pixels. The electrostatic protection wire is connected to a test pad, the test pad being provided to receive a test signal. The electrostatic protection circuit connects the electrostatic protection wire and the wire connected to the display pixels. The electrostatic protection circuit includes a back-gate-type transistor that has a gate electrode, a drain electrode being short-circuited with the gate electrode, and a back-gate electrode. The electrostatic protection circuit control line includes a first end and a second end, the first end being connected to the back-gate electrode of the back-gate-type transistor.

Abstract: An assembly for evaluating the state of an electronic unit used for illumination purposes which is designed to detect a plurality of physical parameters that represent the current state of the electronic unit, to compare the detected physical parameters according to possibly mathematical evaluation or analysis alone or in combination with predefined reference values or reference spaces (I, II), and to create information describing the state of the electronic unit to be evaluated on the basis of the comparisons.

Abstract: A combination lighting tester tool. The combination lighting tester tool includes at least three independent testing tools for identifying and diagnosing a problem in a lighting system. For example, the tester includes a lamp testing function in which a high voltage test signal is generated and transmitted using an antenna. When the test signal is in proximity to a gas filled lamp, the voltage is of sufficient magnitude to ionize the gas inside the lamp, causing the lamp to illuminate. The tester also includes a ballast testing function in which the power lines or wires connecting a ballast to a lamp or lighting fixture are tested, and a filament tester for testing the filaments in a lamp for continuity or resistance. The tester also includes a worklight for illuminating an area under test and one or more display devices (e.g., LEDs, an LCD display, or the like) which provide an indication of, for example, a test being performed or a result of a test.

Abstract: A printed circuit board assembly includes a printed circuit board, a connector mounted on the printed circuit board and including at least one terminal electrically connected to an external device, and at least one electronic component mounted on the printed circuit board and electrically connected to the at least one terminal of the connector. The connector includes at least one test point electrically connected to the terminal and configured to make contact with a test probe.