Abstract: A display device comprises: a display module including a display panel; a control board for controlling the display module; and a power board for outputting direct current voltage to the display module. The power board changes the pulse frequency of a control signal so as to output direct current voltage adjusted according to changes in the load of the display panel.

Abstract: The present disclosure provides a pixel driving circuit, a manufacturing method thereof, and a display device. In the pixel driving circuit, a first terminal of a coupling sub-circuit is electrically connected to a control terminal of a driving sub-circuit; a second compensation sub-circuit is electrically connected to a first control terminal, a second terminal of the coupling sub-circuit and a first level signal input terminal, respectively; the pixel driving circuit is configured to control the connection or disconnection between the second terminal of the coupling sub-circuit and the first level signal input terminal under the control of the first control terminal.

Abstract: A display includes a plurality of pixels. The pixels include at least one emitter unit. The emitter units each include a primary emitter and a secondary emitter for generating light of the same color. The secondary emitter is associated with the primary emitter of the corresponding emitter unit. The primary emitters and the secondary emitters are based on at least one semiconductor material. The emitter units each include a correction circuit. The correction circuits are each configured to be able to switch the generation of light from the primary emitter to the associated secondary emitter in case of a defect of the associated primary emitter.

Abstract: A pixel circuit includes an OLED, a first transistor including a gate electrode connected to a first node and an electrode connected to a third node, a capacitor including a first electrode for receiving a power supply voltage and a second electrode connected to the first node, a third transistor including a gate electrode for receiving a first gate signal, a first electrode connected to the first node, and a second electrode connected to the third node, a fourth transistor including a gate electrode for receiving a second gate signal, a first electrode connected to the first node, and a second electrode and a second gate electrode for receiving a first initialization voltage, and a seventh transistor including a gate electrode for receiving a third gate signal, a first electrode for receiving a second initialization voltage, and a second electrode connected to an anode electrode of the OLED.

Abstract: A system that includes a plurality of serially connected light emitting diodes (LEDs), a latch circuit, and a controller including logic is disclosed. A first plurality of bits is transmitted from the controller to a first LED of the plurality of serially connected LEDs. The plurality of serially connected LEDs includes the first LED, coupled to the controller, and a last LED coupled to the latch circuit. The controller determines that the latch circuit is set. The latch circuit is set based on an output of the last LED after the transmitting the first plurality of bits. The number of active LEDs in the plurality of serially connected LEDs is identified, based on determining that the latch circuit is set.

Abstract: An LED tube lamp including an LED module and a power supply module is provided. The LED module is configured to emit light in response to a driving current. The power supply module is electrically connected to the LED module to provide the driving current based on an external driving signal. The power supply module includes a rectifying circuit, a filtering circuit, a driving circuit, a flicker suppression circuit, and an installation detection circuit. The flicker suppression circuit is electrically connected to the LED module, and configured to control a conduction state of a current path passing through the LED module. The installation detection circuit is electrically connected to the flicker suppression circuit, and configured to detect whether a foreign external impedance is electrically connected to the LED tube lamp. When the foreign external impedance is detected, the installation detection circuit disables the flicker suppression circuit to restrict current from flowing through the current path.

Abstract: The present disclosure relates to a display panel and a method for electrical-isolation of a light-emitting diode in the display panel. In one embodiment, a display panel includes an element region contained in each sub-pixel, wherein two or more light-emitting diodes are arranged in the element region; and two or more e-fuses respectively connected to the two or more light-emitting diodes, wherein at least one of the two or more e-fuses has blown; and two or more e-fuse transistors respectively connected to the two or more e-fuses.

Abstract: According to one embodiment, a lighting system can comprise a light source and a light switch. The light switch can comprise a binary switch, a wireless transmitter, a processor, and a memory coupled with and readable by the processor and storing therein a code identifying the light switch. A light driver can be coupled with the light source. The light driver can comprise a pairing switch, a wireless receiver, a processor, and a memory coupled with and readable by the processor and storing therein a set of instructions which, when executed by the processor, causes the processor to pair with the light switch by receiving, from the pairing button, a first input indicating a start of a pairing mode, initiating the pairing mode based on the first input, and determining whether a message is received from the light switch within a first predetermined period of time.

Abstract: An indoor power line transmission control system, includes: a transforming dimming controller (1), which is used to load, onto an electrical signal, a received dimming signal sent by a mobile terminal or input by a user in a touch-control manner, and send the electrical signal loaded with the dimming signal to a dimming driver (2); and the dimming driver, which is electrically connected with the transforming dimming controller and a dimming luminaire (3), and used to read the electrical signal loaded with the dimming signal, and adjust a gray scale of the dimming luminaire according to the read electrical signal. By replacing a normal switch with the transforming dimming controller and by using the dimming driver and transmitting the dimming signal to the dimming luminaire by means of a power line, flexibility of having no wiring, simple extension and smart dimming are realized and energy can be saved.

Abstract: Technologies are described for an emergency lighting system and methods of providing emergency light. The emergency lighting system has a luminaire comprising with least one light source and a wireless communicator module in electrical communication with an uninterrupted power supply. The wireless communicator module is configured to detect a power loss in the uninterrupted power supply and send a wireless signal notification of the power loss. The luminaire is configured to receive the wireless signal notification of the power loss and to supply power to the luminaire with a backup power source.

Abstract: A method of operating a flashlamp in a skin treatment system comprises the steps of charging capacitor, discharging the capacitor through a flashlamp, and interrupting the discharge of the capacitor through the flashlamp at a predetermined time based on at least one condition caused by the discharge of the capacitor through the flashlamp.

Abstract: A display device with high design flexibility is provided. The display device includes a display element, a touch sensor, and a transistor between two flexible substrates. An external electrode that supplies a signal to the display element and an external electrode that supplies a signal to the touch sensor are connected from the same surface of one of the substrates.

Abstract: In an example, a processing system for an integrated display device and capacitive sensing device includes driver circuitry and a driver module. The driver circuitry is configured for coupling to a plurality of source lines and a plurality of sensor electrodes, where each of the plurality of sensor electrodes comprises at least one common electrode configured for display updating and capacitive sensing. The driver module is coupled to the driver circuitry and configured to drive the plurality of sensor electrodes for capacitive sensing during a first non-display update period that occurs between first and second display line update periods of a display frame, where the non-display update period is at least as long as one of the first and second display line update periods. The driver module is further configured to operate each of the plurality of source lines to reduce display artifacts during the non-display update period.

Abstract: A DC-powered lighting device (100) for placement in an external fixture (102) (104), the DC-powered lighting device comprising a lighting unit (110), connector pins (112) configured to mechanically and electrically connect the DC-powered lighting device to the light fixture, a probing unit (118) connected to the connector pins and configured to determine whether electrical power is currently available via the connector pins and to provide a power-present signal indicative of the current availability of electrical power via the connector pins, a DC-power input unit (114) configured to receive DC power from a second external electrical power source, and to deliver the received DC power to the lighting unit and a switching unit (120) configured to allow the delivery of the DC power to the lighting unit in dependence on the power-present signal.

Abstract: A fuel cell charging system includes a fuel cell stack having a first operating direct current (DC) voltage between fuel check stack terminals, a high voltage system operating at a first DC operating voltage different than and generally higher than the first operating voltage of the fuel cell stack, a boost converter in electrical connection with the fuel cell stack and the high voltage system, and a stack charging component that applies a second DC operating voltage, generally of lower value than that of the first normal operating voltage, to the fuel cell stack. The boost converter transfer electrical power from the fuel cell stack to the high voltage system during fuel cell operation. Characteristically, the second DC operating voltage applied to the fuel cell stack terminals is typically lower in value than that of the first DC operating voltage of both the fuel cell stack and the HV electrical system and is stepped down from the first DC operating voltage of the HV electrical system.

Abstract: A radiation-emitting semiconductor device includes a housing body having a chip mounting area, a chip connection region, a radiation-emitting semiconductor chip, and a light-absorbing material, wherein the radiation-emitting semiconductor chip is fixed to the chip connection region, the chip connection region is covered with the light-absorbing material at selected locations at which the chip connection region is not covered by the radiation-emitting semiconductor chip, the radiation-emitting semiconductor chip is free of the light-absorbing material in selected locations, the housing body has a cavity in which the at least one radiation-emitting semiconductor chip is arranged, the chip mounting area is a surface of the housing body which abuts the cavity, and the chip mounting area is free of the light-absorbing material in selected locations remote from the chip connection region.

Abstract: A spotlight and a method of controlling the spotlight with an external device. The spotlight having a first light source including a center spotlight, a second light source including area lights, a power supply, a transceiver configured to communicate wirelessly with the external device, and a processor. The processor is operable to receive a first input from the external device specifying a first amount of power to be provided to the first light source, and receive a second input from the external device specifying a second amount of power to be provided to the second light source. The processor is also operable to control the power supply to provide the first amount of power to the first light source in response to the first input, and control the power supply to provide the second amount of power to the second light source in response to the second input.

Abstract: In a display system having pixels made up of electroluminescent devices (ELDs) of three or more basis colors, a control circuit receives for each pixel a specification of a desired color to be displayed on the pixel, and determines a required driving voltage or electrical current for ELDs of each basis color, the required driving voltage or electrical current being determined from values of driving voltages or electrical currents associated with predetermined colors within the spectral locus or the purple line of human vision.

Abstract: An emergency lighting system includes an input, a charging circuit, an auxiliary power supply, a plurality of lights, a driver, and a controller. The input is configured to receive a line voltage. The charging circuit is configured to receive the line voltage and output a charging voltage. The auxiliary power supply is configured to receive the charging voltage. The plurality of lights include a first group of lights and a second group of lights. The driver is configured to provide power to the plurality of lights. The controller is configured to monitor the line voltage, compare the line voltage to a threshold, control the driver to provide power to the first group of lights and the second group of lights when the input voltage is above the threshold, and provide power to the second group of lights when the input voltage is below the threshold.

Abstract: Provided is a compensation method of a cathode voltage drop of an OLED display device and a pixel driving circuit. The first pixel driving circuits having function of detecting the cathode voltage are arranged in a portion of sub pixels of the OLED display device and uses the first pixel driving circuits to detect the cathode voltages of these sub pixels. The cathode voltages inputted to all the sub pixels of the OLED display device are obtained by interpolation according to the detected cathode voltages of these detecting sub pixels. Then, the cathode voltage compensation look up table is obtained according to the cathode voltages of all the sub pixels of the OLED display device. Finally, the data signal voltage is compensated with the cathode voltage compensation look up table. The data signal voltage after compensation is used to drive the OLED display device to perform image display.

Abstract: An illumination device includes a light emitting diode (LED) module and a control circuit. The control substrate comprises at least one essential circuit component and at least one non-essential circuit component. The device also includes a multi-mode power supply configured to supply power to the LED module and the control circuit. The multi-mode power supply comprises: (i) a primary power supply component configured to supply power to the at least one essential circuit component, the LED module, and the at least one non-essential circuit component; and (ii) a secondary power supply component configured to supply power to only the at least one essential circuit component.

Abstract: A display having fused light-emitting diodes (LEDs) includes a display substrate and an array of pixel components disposed on the display substrate. Each pixel component comprises a light-emitting diode and an electrical fuse electrically connected in series with the light-emitting diode. The micro-transfer printable pixel components include an LED having first and second LED electrical contacts for providing power to the LED to cause the LED to emit light, a fuse having first and second fuse electrical contacts, the first fuse electrical contact electrically connected in series with the first LED electrical contact, a first electrode connected to the second fuse electrical contact, and a second electrode connected to the second LED electrical contact.

Abstract: The present invention relates to a system, method, and apparatus for powering intelligent lighting networks. The power for the intelligent lighting network is supplied by Power-over-Ethernet (PoE) switches and/or Mid-Spans, which are conditioned by a powered device to distribute power tuned specifically for each, at least one light emitting diode (LED) fixture. The Power-over-Ethernet switch and/or Mid-Span with associated router and wireless access point is used to communicate with and power a sensor network that collects data relevant to the intelligent lighting network. Optionally, the Power-over-Ethernet switch and/or Mid-Span is used to communicate with and power a network of sensors that collects data relevant to the space the intelligent lighting network is operating in or is used to communicate with and power a network of AC wall plugs that is turned on and off and various switches, relays, and PLCs, RFID systems, USB hubs, etc.

Abstract: The present invention relates to a system, method, and apparatus for powering intelligent lighting networks. The power for the intelligent lighting network is supplied by Power-over-Ethernet (PoE) switches and/or Mid-Spans, which are conditioned by a powered device to distribute power tuned specifically for each, at least one light emitting diode (LED) fixture. The Power-over-Ethernet switch and/or Mid-Span with associated router and wireless access point is used to communicate with and power a sensor network that collects data relevant to the intelligent lighting network. Optionally, the Power-over-Ethernet switch and/or Mid-Span is used to communicate with and power a network of sensors that collects data relevant to the space the intelligent lighting network is operating in or is used to communicate with and power a network of AC wall plugs that is turned on and off and various switches, relays, and PLCs, RFID systems, USB hubs, etc.

Abstract: The present invention relates to a system, method, and apparatus for powering intelligent lighting networks. The power for the intelligent lighting network is supplied by Power-over-Ethernet (PoE) switches and/or Mid-Spans, which are conditioned by a powered device to distribute power tuned specifically for each, at least one light emitting diode (LED) fixture. The Power-over-Ethernet switch and/or Mid-Span with associated router and wireless access point is used to communicate with and power a sensor network that collects data relevant to the intelligent lighting network. Optionally, the Power-over-Ethernet switch and/or Mid-Span is used to communicate with and power a network of sensors that collects data relevant to the space the intelligent lighting network is operating in or is used to communicate with and power a network of AC wall plugs that is turned on and off and various switches, relays, and PLCs, RFID systems, USB hubs, etc.

Abstract: The present invention relates to a system, method, and apparatus for powering intelligent lighting networks. The power for the intelligent lighting network is supplied by Power-over-Ethernet (PoE) switches and/or Mid-Spans, which are conditioned by a powered device to distribute power tuned specifically for each, at least one light emitting diode (LED) fixture. The Power-over-Ethernet switch and/or Mid-Span with associated router and wireless access point is used to communicate with, and power a sensor network that collects data relevant to the intelligent lighting network. Optionally, the Power-over-Ethernet switch and/or Mid-Span is used to communicate with, and power a network of sensors that collects data relevant to the space the intelligent lighting network is operating in, or is used to communicate with and power a network of AC wall plugs that is turned on and off, and various switches, relays, and PLCs, RFID systems, USB hubs, etc.

Abstract: Provided are a power supply circuit, a driving method for the same, and a display device. The power supply circuit comprises a first control sub-circuit, a second control sub-circuit, a voltage converting sub-circuit, a first output sub-circuit, and a second output sub-circuit; the first control sub-circuit controls the first voltage level terminal to be connected to the first node, the second control sub-circuit controls the second voltage level terminal to be connected to the second node, the voltage converting sub-circuit adjusts the voltage at the first node and the voltage at the second node, the first output sub-circuit outputs the voltage at the first node to the first output terminal, the second output sub-circuit outputs the voltage at the second node to the second output terminal. Structure of the power supply circuit can be simplified, and thereby manufacturing cost of the power supply circuit can be reduced.

Abstract: A digital linear voltage regulator includes a power stage (208), arranged in a hierarchical grouping of power stage units. The power stage (208) is configured to deliver power to a load (212). The digital linear voltage regulator further includes a mixed-signal controller (206), configured to control each power stage unit in the power stage (208) by conditionally adjust a number of active power stage units in the power stage (208) based on a comparison of a feedback voltage of the load (212) and a reference voltage; wherein the hierarchical grouping of power stage units comprises N levels; wherein the power stage (208) comprises a number of MN Nth level units, and an Nth level unit comprising a number of MN?1 (N?1)th level units; and wherein N is an integer greater than or equal to 3, and MN and MN?1 are integers greater than or equal to 1.

Abstract: A power over ethernet lighting system includes a plurality of nodes electrically connected to a power/communication bus. Each of the nodes includes a PoE interface, a micro-controller and a PoE driver electrically connected to a PoE luminaire. At least one of the nodes is an emergency management node that includes a rechargeable battery and a PoE battery charger. The system has a maintained mode in which the PoE luminaire of each of the nodes is powered by electricity from the power/communication bus, and has an emergency mode characterized by a power loss on the power/communication bus. A micro-controller of the emergency management node includes a charge control algorithm configured to determine a charge level of the battery based on a signal from a charge sensor, and configured to dynamically adjust an allocation of power to the PoE battery charger responsive to the charge level.

Abstract: A spotlight and a method of controlling the spotlight with an external device. The spotlight having a first light source including a center spotlight, a second light source including area lights, a power supply, a transceiver configured to communicate wirelessly with the external device, and a processor. The processor is operable to receive a first input from the external device specifying a first amount of power to be provided to the first light source, and receive a second input from the external device specifying a second amount of power to be provided to the second light source. The processor is also operable to control the power supply to provide the first amount of power to the first light source in response to the first input, and control the power supply to provide the second amount of power to the second light source in response to the second input.

Abstract: The present invention relates to a system, method, and apparatus for powering intelligent lighting networks. The power for the intelligent lighting network is supplied by Power-over-Ethernet (PoE) switches and/or Mid-Spans, which are conditioned by a powered device to distribute power tuned specifically for each, at least one light emitting diode (LED) fixture. The Power-over-Ethernet switch and/or Mid-Span with associated router and wireless access point can be used to communicate with, and power a sensor network that collects data relevant to the intelligent lighting network. Optionally, the Power-over-Ethernet switch and/or Mid-Span can be used to communicate with, and power a network of sensors that collects data relevant to the space the intelligent lighting network is operating in, or can be used to communicate with and power a network of AC wall plugs that can be turned on and off, and various switches, relays, and PLCs, RFID systems, USB hubs, etc.

Abstract: To provide a light-emitting device or an input/output device with little unevenness in display luminance or high reliability and to provide an input/output device with high detection sensitivity, a light-emitting device is configured to include a first substrate, a light-emitting element over the first substrate, a first conductive layer over the light-emitting element, a first insulating layer over the first conductive layer, a second conductive layer over the first insulating layer, and a second substrate over the second conductive layer. The light-emitting element includes a first electrode over the first substrate, a layer containing a light-emitting organic compound over the first electrode, and a second electrode over the layer containing a light-emitting organic compound. The second electrode is electrically connected to the first and second conductive layers. The first conductive layer and the second electrode transmit light emitted from the light-emitting element.

Abstract: In one example embodiment, a controller is coupled to a first inverter and a second inverter forming a parallel inverter scheme. The first inverter and the second inverter are configured to provide power to a load. The controller is configured to control the first inverter to operate according to a first operating state, while the second inverter is off, and turn off the first inverter before transition from the first operating state to a second operating state. The controller is further configured to control the second inverter to at least partially operate during the transition.

Abstract: The present invention relates to a system, method, and apparatus for powering intelligent lighting networks. The power for the intelligent lighting network is supplied by Power-over-Ethernet (PoE) switches and/or Mid-Spans, which are conditioned by a powered device to distribute power tuned specifically for each, at least one light emitting diode (LED) fixture. The Power-over-Ethernet switch and/or Mid-Span with associated router and wireless access point can be used to communicate with, and power a sensor network that collects data relevant to the intelligent lighting network. Optionally, the Power-over-Ethernet switch and/or Mid-Span can be used to communicate with, and power a network of sensors that collects data relevant to the space the intelligent lighting network is operating in, or can be used to communicate with and power a network of AC wall plugs that can be turned on and off, and various switches, relays, and PLCs, RFID systems, USB hubs, etc.

Abstract: The present invention overcomes image defects such as the brightness inclination or smears by reducing the line resistance of a power source bus line which supplies electricity to organic EL elements. A plurality of pixels which are arranged in a matrix array is connected to power source lines, and the plurality of power source lines are connected to a power source bus line. Both ends of the power source bus line are connected to a power source part via a FPC. By supplying electricity to both ends of the power source bus line from the power source part, the line resistance of the power source bus line can be reduced.

Abstract: A lighting fixture includes a light source, a housing coupled to the light source, communications circuitry, sensor circuitry, and control circuitry. The housing includes an opening through which light from the light source is provided. The control circuitry includes a memory storing instructions, which, when executed by the control circuitry cause the lighting fixture to transmit sensor data obtained from the sensor circuitry via the communications circuitry for persistent storage of the sensor data. By transmitting sensor data from the lighting fixture for persistent storage thereof, the sensor data may be used to characterize a space in which the lighting fixture is located.

Abstract: A touch panel, a touch display panel and a touch display device are provided. The touch panel includes a first substrate, a black matrix, and a transparent electrode layer. The first substrate has a display area and a mask area surrounding the display area. The black matrix is disposed on the mask area of the first substrate. The transparent electrode layer is disposed on the first substrate. The transparent electrode layer includes a first appearance electrode pattern disposed on the black matrix, and the first appearance electrode pattern includes two first edges and a first arc connected with the two first edges.

Abstract: A method of operating a flashlamp (2) in a skin treatment system (1) comprises the steps of establishing a conductive path between the flashlamp (2) and a charged capacitor (4) causing a free discharge within the flashlamp, and interrupting said conductive path so as to cut off the current through the lamp when the current density drops below a predetermined current density threshold level (Ix) or when the energy applied to the skin reaches a certain maximum (EM).

Abstract: Provided is a method for controlling operation of an incandescent bulb emulator. The method includes converting, via a converter, an input voltage to a predetermined DC voltage, and driving an LED load based upon the predetermined DC voltage. In certain embodiments, input voltage may include an AC input voltage and a DC input voltage. The method also compares, via a controller, an input current curve of the incandescent bulb emulator with an input current curve of a simulated incandescent bulb responsive to the driven LED load. A DC driving current through the LED load is adjusted based upon the comparing. Amount of power delivered to LED load may be limited through an EMI filter having a magnetic design to match input current characteristics of incandescent bulb. The adjustment continues such that input current curve of incandescent bulb emulator matches the input current curve of the simulated incandescent light bulb.

Abstract: The present invention is directed to a capacitive touch panel, which primarily includes a singular substrate, a mask layer formed on a border region of the singular substrate, a capacitive sensing layer comprising a plurality of first-axis conductor assemblies and a plurality of second-axis conductor assemblies, wherein the singular substrate, the mask layer and the capacitive sensing layer are integrally formed, and insulated auxiliary medium filled in gaps between the first-axis conductor assemblies and the second-axis conductor assemblies, wherein the refractive index of the auxiliary medium matches the refractive index of the capacitive sensing layer.

Abstract: Disclosed herein are an illumination unit and an illumination system. The illumination unit includes a first reflector, a second reflector, a light source module arranged between the first reflector and the second reflector, and a supporting member for supporting the second reflector. The supporting member includes first and second inclined surfaces arranged adjacent to each other at opposite sides of an inflection point. The supporting member has a distance of 15 to 50 mm between a first horizontal line horizontally passing through the inflection point and a second horizontal line horizontally passing through an end of the first inclined surface or an end of the second inclined surface. The supporting member includes projections having asymmetrical side surfaces opposing each other. The height ratio between the side surfaces of the supporting member is 1:1.01 to 80 or 1.01 to 80:1.

Abstract: A method of operating a lighting grid having lighting units the method including receiving an input signal from a sensor or a user interface by a first lighting unit, determining a control signal for controlling an LED driver and/or LED assembly of the first lighting unit based on the input signal, transmitting an output signal to a second lighting unit, the output signal being based on the input signal and enabling an identification of the first lighting unit, the sensor or the user interface, receiving the transmitted output signal from the first lighting unit by the second lighting unit, establishing an identification, based upon the received output signal, of the first lighting unit, the sensor or the user interface, and determining a further control signal for controlling an LED driver and/or LED assembly of the second lighting unit based on the output signal and the identification.

Abstract: The centralized lighting and air conditioning controller controls the light emission of lighting devices using brightness configuration values, and an environmental sensor transmits illuminance measurement values to the centralized lighting and air conditioning controller by wireless communication. The centralized lighting and air conditioning controller receives the illuminance measurement values, and based on the change in the illuminance measurement values and the change in the RSSI when the illuminance measurement values are received, acquires the degree of influence on the environmental sensor by the light from each of the lighting devices, and acquires the unknown or indeterminate position of the environmental sensor based on the degree of influence.

Abstract: A lighting fixture includes a light source, a housing coupled to the light source, communications circuitry, sensor circuitry, and control circuitry. The housing includes an opening through which light from the light source is provided. The control circuitry includes a memory storing instructions, which, when executed by the control circuitry cause the lighting fixture to transmit sensor data obtained from the sensor circuitry via the communications circuitry for persistent storage of the sensor data. By transmitting sensor data from the lighting fixture for persistent storage thereof, the sensor data may be used to characterize a space in which the lighting fixture is located.

Abstract: The present invention overcomes image defects such as the brightness inclination or smears by reducing the line resistance of a power source bus line which supplies electricity to organic EL elements. A plurality of pixels which are arranged in a matrix array is connected to power source lines, and the plurality of power source lines are connected to a power source bus line. Both ends of the power source bus line are connected to a power source part via a FPC. By supplying electricity to both ends of the power source bus line from the power source part, the line resistance of the power source bus line can be reduced.

Abstract: An illumination device includes a main light source block having a plurality of main light sources and a plurality of current limiters, and an auxiliary light source block having an auxiliary light source and a constant-current unit. A series circuit of the auxiliary light source and the constant-current unit is electrically connected in parallel with the main light source block, between first and second output terminals of a rectifier. A smoothing capacitor is electrically connected in parallel with a specific main light source among the plurality of main light sources. The specific main light source and a corresponding current limiter are electrically connected in parallel with the series circuit of the auxiliary light source and the constant-current unit.

Abstract: The present invention overcomes image defects such as the brightness inclination or smears by reducing the line resistance of a power source bus line which supplies electricity to organic EL elements. A plurality of pixels which are arranged in a matrix array is connected to power source lines, and the plurality of power source lines are connected to a power source bus line. Both ends of the power source bus line are connected to a power source part via a FPC. By supplying electricity to both ends of the power source bus line from the power source part, the line resistance of the power source bus line can be reduced.

Abstract: A universal module capable of being removably coupled to each of a plurality of distinct products for demonstrating a functionality is described. In the universal module an activation switch is operatively coupled to a DC power source. An external electrical connector is operatively coupled to the DC power source and the activation switch. An external electrical connector is configured to removably couple the universal module to an external circuit of one of the plurality of distinct products. The circuit has an integrated circuit that is operatively coupled to the DC power source, the activation switch and the external electrical connector. When the external electrical connector is coupled to the external circuit and the activation switch is activated, the integrated circuit outputs a voltage from the DC power source through the external electrical connector to enable a functionality of a coupled product for a predetermined period of time.

Abstract: Discussed is a display device including a wiring substrate having a first substrate layer and a second substrate layer, a conductive adhesive layer configured to cover the wiring substrate, and a plurality of semiconductor light emitting devices coupled to the conductive adhesive layer, and electrically connected to a first electrode and a second electrode, wherein the first electrode is disposed at the first substrate layer, and the second substrate layer includes one surface facing the conductive adhesive layer and the other surface covering the first electrode, and an auxiliary electrode electrically connected to the first electrode and the second electrode are disposed on one surface of the second substrate layer.

Abstract: Disclosed are a thin film transistor substrate and a method of repairing a signal line of the thin film transistor substrate. The thin-film transistor substrate includes: a scan line for transferring a scan signal; a light-emission control line for transferring a light-emission control signal; and a capacitor including a first electrode and a second electrode, wherein the second electrode may be provided with a plurality of divided regions, al plurality of bridges coupling the plurality of divided regions to each other, and a plurality of protrusions which overlap at least one of the scan line and the light-emission control line.