Abstract: A lighting apparatus includes an LED driving circuit, an impedance switching circuit and a detection circuit. The lighting apparatus is coupled to a wall switch for connecting to a main power. The LED driving circuit is coupled to the wall switch and an LED lamp. The LED driving circuit includes a sampling terminal. The LED driving circuit is configured to output different driving currents to the LED lamp and perform constant current driving of the LED lamp based on different sampling resistances connected to the sampling terminal. The impedance switching circuit is coupled to the sampling terminal of the LED driving circuit. The impedance switching circuit is configured to output sampling resistances of different impedances to the sampling terminal of the LED driving circuit in response to different impedance switching signals.

Abstract: A lighting apparatus includes a flexible light strip, a base column, a central column, an extending bracket and a joint part. The flexible light strip is bendable along a longitudinal axis of the flexible light strip to conform to various curvatures. A first end of the extending bracket is fixed on the central column and a second end of the extending bracket engages the flexible light strip to conform to a required varying curvatures of the light strip. The joint part connect the base column and the central column. A thickness of the joint part is larger than ? of a diameter of the central column.

Abstract: A lighting apparatus includes a light source plate, multiple types of LED modules, a switch connector, a manual switch, a controller and a main housing. The multiple types of LED modules respectively emit lights of different parameters. The switch module is used for holding a state among multiple candidate states. The switch connector is disposed at least partially on a back side of the light source plate. The manual switch is coupled to the switch module via the switch connector to change the state. The controller is coupled to the switch module for determining a set of driving currents supplied to the multiple types of LED modules to emit a mixed light of a required parameter corresponding to the state of the switch module.a main housing for holding the light source plate. The main housing has a lateral wall.

Abstract: A lighting apparatus includes a light source plate, a driver, an antenna base and an antenna module. The driver includes a wireless circuit. The antenna base unit includes a first plastic unit, a metal contact and a metal path. The antenna base is coupled to the light source plate. The metal contact is electrically coupled to the wireless circuit of the driver. The antenna module includes a metal antenna and a second plastic unit. The second plastic unit and the first plastic unit are two separate components. When the second plastic unit is coupled to the first plastic unit, the metal antenna is electrically coupled to the metal contact of the antenna base for receiving a wireless signal to the wireless circuit of the driver.

Abstract: A lighting apparatus includes a first LED module, a second LED module, a wireless module and a power module. The first LED module has a first light parameter. The second LED module has a second light parameter. The first light parameter is different from the second light parameter. The wireless module receives an external command and converts the external command to a driving control signal. The power module converts an AC power source to a first DC power and a second DC power. The first DC power has a first driving current and a second driving current respectively supplied to the first LED module and the second LED module. The power module adjusts a power ratio between the first driving current and the second driving current according to the driving control signal.

Abstract: A lighting apparatus includes a substrate plate, multiple LED chips, multiple chip wires, a first wrapping layer and a terminal pin. The substrate plate includes a polyester thermal conductive material. The substrate plate is flexible when an external force is applied to the substrate plate. The transmittance of the substrate plate is more than 40%. Multiple LED chips are disposed on a front side of the substrate plate. Multiple chip wires are used for electrically connecting the multiple LED chips. The first wrapping layer is attached to the front side of the substrate plate for enclosing the multiple LED chips and the multiple chip wires. The terminal pin disposed at a peripheral side of the substrate plate for conducting a driving current to the multiple LED chips.

Abstract: A screw pair including inner walls of screw holes in a working nut and a pre-tightening nut with sensor groups including a plurality of displacement sensors capable of measuring a value of a gap between an inner and outer wall of a screw in a diameter direction of the screw hole, the group includes four displacement sensors evenly distributed in a circumferential direction of the screw hole, every two displacement sensors are paired and symmetrical about a center axis, and projections of a plurality of sensor groups in an axial direction overlap the screw; and an adaptive excitation coil is mounted to each displacement sensor, which is capable of attracting the screw in a measurement direction of the adaptive displacement sensor, and a magnetic force of the coil attached is adjustable to change the value of the gap, so that axes of the screw, working nut, and pre-tightening nut coincide.

Abstract: A lighting apparatus includes a first lead terminal, a second lead terminal, a substrate, multiple semiconductor light chips and a molding module. The substrate has wiring layer. The wiring layer is composed one or multiple metal wires, metal strips or other electrical conductive patterns on the substrate. The multiple semiconductor light chips are mounted on a bridge part of the substrate. The first lead terminal and the second lead terminal are attached on opposite sides of the bridge part. The multiple semiconductor light chips are electrically connected to the first lead terminal and the second lead terminal via the wiring layer. The molding module is mixed with fluorescent material enclosing the bridge part of the substrate and the multiple semiconductor light chips.

Abstract: A lighting apparatus includes a control circuit, a light source, a reset sensor and a reset circuit. The control circuit operates according to a default setting when the control circuit is started. The light source is controlled by the control circuit. The reset sensor detects a status variation. The status variation is caused by an external device outside the lighting apparatus. The reset circuit is coupled to the reset sensor for generating a reset signal to the control circuit to reset the control circuit when the status variation satisfies a predetermined triggering condition.

Abstract: A light bulb apparatus includes a bracket, a flexible light strip, a bulb shell, a central base and a driver. The bracket includes a central bar and multiple top hooks. The multiple top hooks have first ends connected to the central bar. The flexible light strip has multiple first bending points fixed to second ends of the multiple top hooks for expanding the flexible light strip. a bulb shell. A driver for converting an external power source to a driving current. The central base encloses a part of two wires. The central base exposes first electrodes of the two wires for connecting to the flexible light strip. The central base exposes second electrodes of the two wires for receiving the driving current. The central base and the bulb shell form a closed space for holding the flexible light strip and the bracket.

Abstract: A lighting apparatus includes rectifier, current source and multiple LED module. The rectifier converts an alternative current source to a direct current. The current source receives the direct current to generate a first driving current, a second driving current and a third driving current according to a control command received from a serial communication channel. Each LED module of the multiple LED modules has a package frame and a LED chip. At least three different fluorescent powders are filled in the package frame so that each LED module emits a first light, a second light and a third light from three light areas above the LED chip.

Abstract: A lighting apparatus includes a control circuit, a light source, a reset sensor and a reset circuit. The control circuit operates according to a default setting when the control circuit is started. The light source is controlled by the control circuit. The reset sensor detects a status variation. The status variation is caused by an external device outside the lighting apparatus. The reset circuit is coupled to the reset sensor for generating a reset signal to the control circuit to reset the control circuit when the status variation satisfies a predetermined triggering condition.

Abstract: A lighting apparatus includes a first light source, a second light source, a current controller, a current source and a signal converter. The light source set has a first light source and a second light source. The current source is controlled by the current controller for generating a first driving current to the first light source and for generating a second driving current to the second light source. The signal converter for converting a first type control signal to a second type control signal. The first type control signal indicates a light parameter to be produced by the light source set and the second light source. The second type control signal includes a clock signal and a data signal supplied to the current controller to determine the first driving current and the second driving current.

Abstract: A lighting apparatus includes a light source, a bridge circuit, a voltage node, a filter circuit, a dimmer check circuit and a control circuit. The light source includes a LED module. The bridge circuit generates a DC power at a voltage node by converting an AC power. The filter circuit is connected to the voltage node for converting the DC power to a driving current to the LED module. The dimmer check circuit is coupled to the voltage node for generating a dimmer check signal by detecting whether a wall dimmer is electrically coupled to the lighting apparatus. The control circuit adjusts a setting of the filter circuit according to the dimmer check signal.

Abstract: A lighting apparatus includes an AC-DC converter, multiple LED modules, a mixing unit, a controller and a power supply. The AC-DC converter converts an AC power source to a DC output. The multiple LED modules have different light parameters. The mixing unit is coupled to the multiple LED modules for mixing a mixed light parameter according to a control signal by supplying driving currents to the multiple LED modules corresponding to the mixed light parameter. The mixing unit receives the DC output to generate the driving currents. The controller generates the control signal. The power supply receives the DC output to generate a working power to the controller. When the AC-DC converter is turned off, a releasing power of the mixing unit is moved to the power supply to align turn-off timings of the power supply and the mixing unit.

Abstract: A screw pair including inner walls of screw holes in a working nut and a pre-tightening nut with sensor groups including a plurality of displacement sensors capable of measuring a value of a gap between an inner and outer wall of a screw in a diameter direction of the screw hole, the group includes four displacement sensors evenly distributed in a circumferential direction of the screw hole, every two displacement sensors are paired and symmetrical about a center axis, and projections of a plurality of sensor groups in an axial direction overlap the screw; and an adaptive excitation coil is mounted to each displacement sensor, which is capable of attracting the screw in a measurement direction of the adaptive displacement sensor, and a magnetic force of the coil attached is adjustable to change the value of the gap, so that axes of the screw, working nut, and pre-tightening nut coincide.

Abstract: A lighting apparatus includes a light source, a bridge circuit, a voltage node, a filter circuit, a dimmer check circuit and a control circuit. The light source includes a LED module. The bridge circuit generates a DC power at a voltage node by converting an AC power. The filter circuit is connected to the voltage node for converting the DC power to a driving current to the LED module. The dimmer check circuit is coupled to the voltage node for generating a dimmer check signal by detecting whether a wall dimmer is electrically coupled to the lighting apparatus. The control circuit adjusts a setting of the filter circuit according to the dimmer check signal.

Abstract: The lighting device includes at least one filament module, a base, at least one pillar, and a base. The filament module includes more than two filaments. Each filament includes a substrate, multiple LED chips, a phosphor film, a top extended electrode, and a bottom extended electrode. Multiple LED chips are mounted on the substrate. The phosphor film covers the substrate and multiple LED chips. The top extended electrode and bottom extended electrode are connected to two ends of the substrate respectively. At least part of top extended electrode and bottom extended electrode are not covered by the phosphor film, and each top extended electrode of the filaments is fixed together.

Abstract: A lighting apparatus includes an AC-DC converter, multiple LED modules, a mixing unit, a controller and a power supply. The AC-DC converter converts an AC power source to a DC output. The multiple LED modules have different light parameters. The mixing unit is coupled to the multiple LED modules for mixing a mixed light parameter according to a control signal by supplying driving currents to the multiple LED modules corresponding to the mixed light parameter. The mixing unit receives the DC output to generate the driving currents. The controller generates the control signal. The power supply receives the DC output to generate a working power to the controller. When the AC-DC converter is turned off, a releasing power of the mixing unit is moved to the power supply to align turn-off timings of the power supply and the mixing unit.

Abstract: A light bulb apparatus includes a light bulb shell, a bulb head, and a heat sink cup. The heat sink cup has a first end connected to the light bulb shell, and a second end connected to the bulb head. The light bulb apparatus includes a flexible filament and a central support. The flexible filament has a first terminal and a second terminal, and the central support provides a first electrode electrically connected to the first terminal, and provides a second electrode for electrically connected to the second terminal. The light bulb apparatus includes an expanding structure and a driver module. The expanding structure is mechanically coupled to the central support, and includes a plurality of holding portions for holding the flexible filament. The driver module is electrically connected to the bulb head and the central support for providing electrical power to the flexible filament.