Abstract: A pluggable lamp includes a light-emitting tube body, a lamp head and a lamp seat provided at two ends of the light-emitting tube body. The light-emitting tube body includes a heat-dissipating member, a light-emitting plate and a light-transmitting cover. A first mounting groove is opened on one side of the heat-dissipating member. The light-emitting plate has a bottom side overlapped against a groove bottom of the first mounting groove. At least one lamp head pressing element is provided on one side of the lamp head facing the light-emitting tube body, and at least one lamp seat pressing element is provided on one side of the lamp seat facing the light-emitting tube body. The lamp head pressing element and the lamp seat pressing element abut against the top side of the light-emitting plate adjacent the lamp head and the top side of the light-emitting plate adjacent the lamp seat, respectively.

Abstract: An LED driving circuit, a light tube and an illumination device are provided. The LED driving circuit includes a first AC input end, a second AC input end, a driving module, a first protection unit, a first DC output end and a second DC output end. The first protection unit includes a voltage detection subunit and an abnormality cutoff subunit, and the voltage detection subunit is connected in parallel between two corresponding voltage nodes of the driving module, and the voltage detection subunit is configured to detect a voltage value of the driving module; and the abnormality cutoff subunit is connected in series between the second input end of the driving module and the second AC input end; the first protection unit is configured to cut off a circuit of the driving module when a voltage abnormality of the driving module is detected.

Abstract: A recessed lamp which includes a surface ring defining a light exit opening, a diffusing plate, and a light emitting assembly. The surface ring has an inner side surface, an outer side surface, and a protruding ring arranged on the inner side surface to surround the light exiting opening. The diffusing plate is positioned to abut against the inner side of the surface ring to cover the light exiting opening, and is fusion sealed to the surface ring. The light emitting assembly includes a plurality of LED lamp beads arranged on a substrate to emit light towards the light exiting opening.

Abstract: The present invention provides a lamp and a lamp mounting structure, wherein the lamp includes a lamp panel as a light source; two lateral supports arranged opposite to each other, wherein the lamp panel in use is fixed to a lamp supporting structure through the two lateral supports; and a locking mechanism for securing the lamp panel between the two lateral supports. The lamp disclosed herein has a better versatility.

Abstract: A collapse preventing lamp including a lamp panel and a lamp frame, wherein the lamp panel as a light source is installed in the lamp frame, and wherein a gap is defined between at least one side edge of the lamp panel and an edge of the lamp frame; and a baffle for shielding the gap is provided which is overlapped on the lamp frame, and the baffle is provided with an anti-collapse member for supporting a corresponding side edge of the lamp panel.

Abstract: A direct-lit panel light including a frame, a diffusion plate, a back plate and at least one light bar. The frame comprises a plurality of frame bars that are connected end-to-end, each frame bar having a first mounting surface and a second mounting surface; the diffusion plate is overlapped on the first mounting surface, the back plate is overlapped on the second mounting surface, and the center area of the back plate is fixed with the at least one light bar, and the edge area of the back plate is deformed and forms first convex ribs extending along peripheral sides of the back plate, and the first convex ribs abut against the diffusion plate and press it against the first mounting surface, and the first convex rib on each peripheral side of the back plate has a height gradually increasing from the middle thereof towards two ends thereof, respectively.

Abstract: The present disclosure provides an LED straight light including a light tube with two pins at both ends, an LED installed in the light tube and a driving circuit. The driving circuit includes a mains branch and a signal branch. The mains branch is coupled to the pins at one end of the light tube for transmitting power to the LED for power supply. The signal branch is coupled to the pins at the other end of the light tube for transmitting external driving signals to control the on/off of the mains branch. The LED straight light of the present disclosure is powered by two ends, one of the two ends supplies power to the LED through the mains branch, and the other end receives driving signals to control the on/off of the mains branch.

Abstract: The invention provides a dimmable lighting apparatus, comprising a lamp body, and a driving circuit and a light emitting circuit in the lamp body. The driving circuit is configured to drive the light emitting circuit to emit light, and the driving circuit includes an input sub-circuit coupled to a mains and a dimming sub-circuit coupled to an external dimmer, the input sub-circuit, and the light emitting circuit. In particular, the input sub-circuit is grounded in a pre-stage manner, and the dimming sub-circuit is grounded in a post-stage manner.

Abstract: The present invention provides a dimmable lighting apparatus, comprising a light emitting circuit and a driving circuit coupled with the light emitting circuit. The driving circuit comprises a rectifier module, a filtering module coupled between the light emitting circuit and the rectifier module, a constant current module coupled between the filtering module and the light emitting circuit, and a dimming module. In particular, the dimming module is configured to receive a driving signal supplied to the light emitting circuit from the constant current module, and feed the driving signal back to the constant current module to adjust an output power of the constant current module.

Abstract: The present disclosure provides an LED straight light including a light tube with two pins at both ends, an LED installed in the light tube and a driving circuit. The driving circuit includes a mains branch and a signal branch. The mains branch is coupled to the pins at one end of the light tube for transmitting power to the LED for power supply. The signal branch is coupled to the pins at the other end of the light tube for transmitting external driving signals to control the on/off of the mains branch. The LED straight light of the present disclosure is powered by two ends, one of the two ends supplies power to the LED through the mains branch, and the other end receives driving signals to control the on/off of the mains branch.

Abstract: The application discloses a direct-type panel lamp with adjustable light emitting function, which comprises a frame, a diffusion plate, a back plate and at least one light bar; a central area of the back plate is arched to form a chamber for accommodating the light bar; the diffusion plate has a light-transmitting function, which is disposed opposite to the back plate to close the chamber; the frame is formed by connecting a plurality of frame bars, with each frame bar being connected to corresponding edges of the diffusion plate and the back plate; for the same light bar, the LED beads comprise a plurality of first LED beads and a plurality of second LED beads, and wherein the first LED beads and the second LED beads are alternately arranged, and the brightness or color temperature of the first and second LED beads are different.

Abstract: A direct-type panel lamp with a driving box and a package structure, including a frame, a diffusion plate, a back plate, a driving box and a lamp strip. A central region of the back plate bulges to form a chamber for accommodating the lamp strip. The chamber includes a flat bottom wall and inclined side walls. The diffusion plate is arranged opposite to the back plate to close the chamber. The frame is formed by connecting a number of frame strips, each frame strip is connected with respective edges of the diffusion plate and the back plate. The driving box is configured to receive a driving module electrically connected to the lamp strip. The driving box includes a box body with an opening and a top cove buckled over the opening. The box body has a through hole for wire through which a connecting wire of the driving module passes.

Abstract: The present application discloses a direct-type panel lamp with uniform light, including a frame, a diffusion plate, a back plate, a reflective sheet and at least one lamp strip. A central region of the back plate bulges to form a chamber for accommodating the lamp strip. The chamber includes a flat bottom wall and inclined side walls. Each lamp strip is fixed on the bottom wall. The reflective sheet is located in the chamber and attached to the back plate. The reflective sheet is provided with cut-outs, and two side edges of each cut-out are attached to each other to adapt to a corner of the back plate. The cut-outs may prevent the folded edge from wrinkling or folding at the corners of the side walls, so that the reflective sheet is smoothly installed, avoiding causing light spots.

Abstract: The present invention discloses an LED lamp tube, comprising a driving circuit controlled by a switch when used, the driving circuit comprises: a dimming controller having a switch state monitoring port and a power supply port, and the power supply voltage is gradually formed after the switch is disconnected. When the switch is turned on again, if the supply voltage is between the first set value and the second set value, the output of the drive signal is the same as the signal when the switch is turned off, so that the current flowing through the LED light source remains unchanged. If the supply voltage is lower than the second set value, it outputs a dynamically changing driving signal, so that the current flowing through the LED light source gradually changes from the first extreme value to the second extreme value; and the power conversion unit is configured to receive the drive signal and provide energy to the LED light source.

Abstract: The present invention discloses a U-shape LED tube, comprising a U-shape tube body and light bars fixed inside the U-shape tube body. The U-shape tube body comprises two straight tube sections and one curved section, the curved section comprises two semicircle tubes, the two ends of the curved section are provided with shrinkage parts that are inserted in the straight tube sections, and the shrinkage parts are in fixed connection with the straight tube sections through ultrasonic welding. The curved section of the present invention is provided with shrinkage parts that are inserted in the straight tube sections, the outer diameters of the tubes of each part are consistent, achieving streamline aesthetic appearance; the shortcomings of tube body corrosion and light emission blockage due to fixing of light bar with adhesive glue in conventional LED tube are overcome through ultrasonic welding.

Abstract: Provided are an LED driving circuit and a tube lamp. A grounding terminal of a rectifying unit of the LED driving circuit is electrically connected to a first ground wire, and an input terminal of an impedance detection and protection unit is electrically connected to a second input terminal of a first filtering unit. The grounding terminal is electrically connected to the first ground wire. The impedance detection and protection unit is configured to detect an impedance between the second input terminal of the first filtering unit and the first ground wire, so as to control the second input terminal of the first filtering unit to connect to or disconnect from the first ground wire according to a magnitude of the detected impedance.

Abstract: The invention involves a kind of LED straight tube lamp and it falls into the field of lighting technology. The LED straight tube lamp includes a tube, lamp caps that come with contact pins and are located on both ends of the tube, a first rectifying unit and a second rectifying unit that are coupled with the pins on the two ends respectively, a filter unit, and a switch unit that's located between the rectifying unit and the filter unit. The switch unit has sampling end that is coupled with either or both pins. When the pin on either end of LED straight tube lamp is connected to a power supply, if the external impedance of the pin on the other end is equal to or higher than its set value, the switch unit will be disconnected; if it is lower than the set value, the switch unit will be closed.

Abstract: The present invention discloses a full voltage segmented linear constant-current LED drive circuit in an auto switchover mode comprising a minimum of two groups of LEDs in series connection in proper sequence and a voltage detection and control circuit used for detection of an input power voltage from a power source, a positive terminal of each group of LEDs is connected to the power source via a change-over switch, a negative terminal of each group of LEDs is grounded via a control switch; wherein, one group of LEDs comprises a minimum of two LED units in series connection in proper sequence, a negative terminal of each LED unit is grounded via a control switch; the change-over switch and control switch are connected to and controlled by the voltage detection and control circuit to change inter-group series parallel connection mode and ON/OFF of different LED units.

Abstract: The present invention discloses a full voltage segmented linear constant-current LED drive circuit in an auto switchover mode, comprising a minimum two groups of LEDs in parallel connection in proper sequence and a voltage detection and control circuit used for detection of power voltage; positive terminal of each group of LEDs is directly connected or indirectly connected to the power source via the change-over switch; negative terminal of each group of LEDs is grounded via corresponding control switch; wherein, one group of LEDs comprises a minimum two groups of LED units in series connection in proper sequence; negative terminal of each LED unit is grounded via corresponding control switch; the change-over switch and control switch are connected to and controlled by the voltage detection and control circuit to change inter-group parallel connection mode and ON/OFF of different LED units.