Abstract: The light fixture includes a frame, a substantially flat light emitting diode (LED) panel disposed within the frame, power circuitry disposed within at least one of a number of channels within the frame, and a central wire-way. The frame includes a bottom assembly and a top assembly coupled to the bottom assembly. The bottom assembly and the top assembly cooperate to form the channels within the frame. The bottom assembly has a back surface. The power circuitry is configured to electrically couple the substantially flat LED panel to an external AC power supply. The central wire-way is disposed adjacent the back surface of the bottom assembly and configured to route wiring to or from the power circuitry disposed within at least one of the channels within the frame.

Abstract: An LED panel light fixture and method for assembling the same includes (a) selecting a set of specifications of the LED panel light fixture, the set of specifications comprising a fixture/base specification comprising a form factor of the LED panel light fixture; and a top specification comprising a visual feature of a top in accordance with the top specification; (b) providing a knock-down kit having parts including the top in accordance with the top specification, a frame in accordance with the fixture/base specification, an optically transmissive panel assembly, a set of light emitting diodes (LEDs), and driving circuitry; and (c) assembling the LED panel light fixture using parts of the knock-down kit. An LED panel lighting fixture kit includes a top and a base. The base includes a mounting mechanism that is accessible before joining the top to the base, but not accessible after joining the top to the base.

Abstract: The light fixture includes a frame configured to define a channel, and a substantially flat light emitting diode (LED) panel disposed within the frame. Power circuitry is disposed within the first channel, the power circuitry being configured to electrically couple the substantially flat LED panel to an external AC power supply. The power circuitry is sized to be positioned within the first channel and has a length and a width, the length-to-width ratio being at least 5 to 1, and optionally at least 10 to 1. The power circuitry is configured to convert an AC input into a DC output suitable for powering the substantially flat light emitting diode (LED) panel. The substantially flat light emitting diode (LED) panel includes an optically transmissive panel, and an array of LEDs disposed adjacent to an edge of the optically transmissive panel and disposed adjacent at least one edge of the frame.

Abstract: The light fixture includes a light emitting panel assembly including a frame and a substantially flat light emitting diode (LED) panel disposed within the frame. The substantially flat light emitting diode (LED) panel has an array of light emitting diodes (LEDs). The light fixture further includes a power circuitry module, with a power circuit. The power circuitry module is disposed within the frame adjacent an edge of the frame, and is releasably attachable to the light emitting panel assembly. A decouplable source electrical connector electrically couples the power circuit to an AC power supply external to the light fixture, and a decouplable driver electrical connector electrically couples the power circuit to the array of light emitting diodes (LEDs). The source electrical connector and driver electrical connector may be configured to be decoupled as the power circuitry module is detached and separated from the light emitting panel assembly.

Abstract: Disclosed are a light-emitting device for digital control of color temperature modulation and its application. The light-emitting device is electrically connected to a wall switch and includes a DIP switch, first LEDs, second LEDs and a control module. The control module is electrically connected to the above components and contains a truth table. The truth table includes at least a first mode, second mode, third mode and a memory and automatically switch mode, and a digital switching is accomplished by correlating the DIP switch to the truth table. In the memory and automatically switch mode, the first to third mode color temperatures are sequentially switched and controlled by turning on or off the wall switch according to the truth table information. The light-emitting device may be applied to light fixtures or mirror products to improve the convenience of use.

Abstract: The light fixture includes a frame, an optically transmissive panel assembly, a set of light emitting diodes (LEDs), and driving circuitry. The frame has a frame length measured along a length axis and a frame width measured along a width axis, wherein the frame length is greater than the frame width. The optically transmissive panel assembly receives light from the set of light emitting diodes (LEDs) and emits light from an emission area in a patterned luminous intensity, using patterning optics adjacent a light guide plate. The driving circuitry is disposed within the frame and is operatively coupled to the set of LEDs and to a power supply external to the light fixture. The driving circuitry may include a first circuitry segment disposed within a first edge channel of the frame, and a second circuitry segment disposed within a second edge channel of the frame.

Abstract: An LED lighting device is disclosed. The LED lighting device uses a violet LED chip as a light source for exciting quantum dots. The quantum dots excited by the light of the violet LED chip are mixed with each other to form white light. So, the LED lighting device not just has the effects of providing a high luminous efficiency and preventing the blue light from damaging human eyes only, but also provides a better color rendering ability.

Abstract: The light fixture includes a frame configured to define a channel, and a substantially flat light emitting diode (LED) panel disposed within the frame. Power circuitry is disposed within the first channel, the power circuitry being configured to electrically couple the substantially flat LED panel to an external AC power supply. The power circuitry is sized to be positioned within the first channel and has a length and a width, the length-to-width ratio being at least 5 to 1, and optionally at least 10 to 1. The power circuitry is configured to convert an AC input into a DC output suitable for powering the substantially flat light emitting diode (LED) panel. The substantially flat light emitting diode (LED) panel includes an optically transmissive panel, and an array of LEDs disposed adjacent to an edge of the optically transmissive panel and disposed adjacent at least one edge of the frame.

Abstract: A flicker-free dimming circuit for non-point light source has a TRIAC module, an input module, a conversion module and an output module. The TRIAC module adjusts the voltage phase of an external power supply for the input module to export an input voltage, and the conversion module in a boost circuit structure is provided with a conversion coil and a converter to receive and raise the voltage value of the input voltage to a voltage value of an operating voltage and then supplies the operating voltage to the output module. The output module adopts a fly-back circuit structure and induces the operating voltage to form a driving voltage in a constant value and then outputs the driving voltage to a lamp with a relatively wide light source area. In this way, the panel lamp can meet high safety standards and enhance its product adaptability and competiveness.

Abstract: Disclosed is an LED lamp having a tube and two end covers. The end covers are connected to both sides of the tube for accommodating a power supply member or a power conversion member, and the end covers have a first penetrating hole for engaging a connecting member to hang or install the LED lamp. The LED lamp further includes at least one back plate having at least two first locking holes, and each end cover has at least one second locking hole corresponsive to the first locking holes. At least two latching members pass through the first locking hole and the second locking hole to connect the back plate and the end cover and the back plate is situated on a side of the tube, so that the back plate is connected closely with the end cover and will not be separated easily by external forces or collisions.

Abstract: An LED bracket includes a first metal sheet, a second metal sheet and a casing. The casing covers the first and second metal sheets and includes a receiving slot. The casing partially covers the first and second metal sheets. The first metal sheet has a first pin terminal and a first carrying end. The second metal sheet has a second pin terminal and a second carrying end. The non-bent first and second pin terminals are opposite to each other and extended outwardly from the casing. The first and second carrying ends are disposed in the receiving slot and respectively have at least one first support portion and at least one second support portion to enhance the strength of fixing the first and second metal sheets with the casing. The non-bent pins improve the degree of freedom of the design of the casing and the light emission efficiency of LEDs.

Abstract: A secondary-side bucking and current-stabilizing flyback power converter adopts a dual-stage isolated circuit architecture and outputs a constant output current to drive a low-power LED module, and its primary stage adopts a flyback circuit architecture with a primary regulated voltage, and its secondary stage adopts of a buck circuit architecture of the current stabilizer, so that after the primary stage converts the constant voltage, the current stabilizer senses the load effect of the output current at the LED module to regulate the output cycle and maintain the total output of the output current constant and reduce the ripple amplitude, so as to achieve a non-strobe output result and improve the illumination effect of the LED module.

Abstract: An LED spherical lamp includes a base, a power supply unit, a substrate and a cover. The power supply unit is installed inside the base, and the substrate has plural LED light emitting elements and is coupled to a side of the base, and the cover is fixed to the base for covering the substrate. The LED spherical lamp includes an electrical connector installed to the substrate and having a plurality of electrical terminals for electrically connecting the substrate to the power supply unit, and an engaging slot is concavely formed on a side of the electrical connector, such that the power supply unit drives the LED light emitting elements to achieve the lighting effect. The LED spherical lamp has the effects of simplifying the assembling and manufacturing procedure, assuring the electrical conduction of components, and facilitating the maintenance, repair, and replacement of the components.

Abstract: An axially symmetric LED light bulb includes a lamp shade, a substrate and a connecting seat. The substrate installed on the connecting seat includes plural LED light sources. The lamp shade has an edge connected to the connecting seat, and the substrate is covered inside the lamp shade. The lamp shade has an unequal thickness with a thicker top and thinner sides. The axially symmetric LED light bulb provides excellent light uniformity and wide-angle illumination.

Abstract: An automatically controlled directional speaker includes a sound amplifying device, an image capture device, a computing device, an azimuth control motor and an amplitude control unit. The image capture device is provided for detecting the status of surrounding environment to generate image information, and the computing device is communicatively coupled to the image capture device for determining whether there is at least one face information in the image information, and the azimuth control motor is coupled to the sound amplifying device for controlling the azimuth of an output sound of the sound amplifying device according to the face information, and the amplitude control unit is communicatively coupled to the sound amplifying device for controlling the volume of the output sound of the sound amplifying device according to the face information. The speaker may be combined with a lamp to form an LED lamp with broadcasting and illumination functions.

Abstract: An auto-sensing dimming lamp guides ambient light to a sensor installed in a lamp cover and at a base through a light pipe. The auto-sensing dimming lamp automatically adjusts a light emission status of LED light sources according to the ambient light by a processor installed at the base. The processor includes a pass filter unit and a modulation unit, and the pass filter unit receives a detected signal waveform of the sensor and a driving voltage waveform of the LED light sources.

Abstract: A self-excited TRIAC dimming circuit applied in a panel light includes a dimming module and at least one conversion module, and a power factor controller (PFC) is installed in the dimming module, and the conversion module is a self-excited electronic isolation transformer, and the TRIAC PFC is integrated with the circuit structure of a self-excited electronic transformer to improve the overall circuit stability, so that the panel light complies with a high safety standard to enhance product applicability and competitiveness.