A Light Emitting Diode, LED, based lighting device arranged for emitting a particular emitted light following a Planckian locus in a color space, the LED based lighting device comprises a first LED channel comprising a plurality of LEDs, wherein the first LED channel is tuned to emit light having a first chromaticity in the color space, a second LED channel comprising a plurality of LEDs, wherein the second LED channel is tuned to emit light having a second chromaticity in the color space, a controller for activating the first and the second LED channel such that LED based lighting device emits light having a color in between the first and the second chromaticity in the color space, wherein the LED based lighting device further comprises a third LED channel connected in between the at least two LED channels, wherein the third LED channel comprises one or more LEDs and wherein the third LED channel is tuned to emit light having a third chromaticity in the color space, wherein the third LED channel effectuates that at least one LED of the second LED channel is activated when the first channel is actuated, thereby ensuring that the emitted light follows the Planckian locus in the color space in between the first and the second chromaticity in the color space.

The embodiment of the present disclosure provides a lamp and a lighting control method thereof. The lighting control method includes: counting a lighting duration of N days before statistical date of a lamp, where N is an integer greater than 1 and less than 11; matching a to-be-executed dimming program from preset multiple dimming programs of the lamp according to a statistical result; and controlling an adaptive power supply of the lamp to switch to the to-be-executed dimming program, which improve the diversity of the lighting control of the lamp, increase the self-learning ability of the lamp, and reduce the maintenance cost of the lighting control of the lamp.

The embodiment of the present disclosure provides a lamp and a lighting control method thereof. The lighting control method includes: counting a lighting duration of N days before statistical date of a lamp, where N is an integer greater than 1 and less than 11; matching a to-be-executed dimming program from preset multiple dimming programs of the lamp according to a statistical result; and controlling an adaptive power supply of the lamp to switch to the to-be-executed dimming program, which improve the diversity of the lighting control of the lamp, increase the self-learning ability of the lamp, and reduce the maintenance cost of the lighting control of the lamp.

The present disclosure relates to a dimmable LED lamp illumination system. The dimmable LED lamp illumination system includes: a dimmer and an LED lamp. The dimmer is connected in series between a power input end and the LED lamp, and is used for loading a digital dimming signal onto a power signal, so as to generate a dimming power signal. The LED lamp receives the dimming power signal, demodulates the digital dimming signal, and adjusts the brightness of the LED lamp based on the demodulated digital dimming signal. By using the dimmable LED lamp illumination system of the present disclosure, the deployment of a dimming system is simpler, and the transmission of a digital dimming signal is more stable.

The present disclosure relates to a dimmable LED lamp illumination system. The dimmable LED lamp illumination system includes: a dimmer and an LED lamp. The dimmer is connected in series between a power input end and the LED lamp, and is used for loading a digital dimming signal onto a power signal, so as to generate a dimming power signal. The LED lamp receives the dimming power signal, demodulates the digital dimming signal, and adjusts the brightness of the LED lamp based on the demodulated digital dimming signal. By using the dimmable LED lamp illumination system of the present disclosure, the deployment of a dimming system is simpler, and the transmission of a digital dimming signal is more stable.

A lighting device may include a light source, a plurality of drive circuits, and a control circuit. The light source may include a plurality of emitter circuits that are configured to emit light. The light source may include a first emitter circuit that is configured to emit light at a first color (e.g., color temperature), a second emitter circuit is configured to emit light at a second color (e.g., color temperature), and a third emitter circuit is configured to emit light at a third color (e.g., color temperature). The first, second, and third colors (e.g., color temperatures) may be on a color curve, such as a color temperature curve like the black body locus. The control circuit may be configured to control the amount of power delivered to no more than two emitter circuits to emit light when controlling the light emitted by the light source to the target intensity.

A linear drive circuit and an LED light including the same. The linear drive circuit includes an AC-DC module, an LED module, a CCT and brightness control module, and a drive control module. The AC-DC module is connected to the LED module through a first unidirectional conductive element, and is configured to obtain an AC input voltage control signal, and convert the AC input voltage control signal into a corresponding DC voltage control signal. The CCT and brightness control module is connected to the LED module, and is configured to obtain a corresponding CCT control signal or a brightness control signal according to the DC voltage control signal, so as to adjust the CCT of each LED string in the LED module. The drive control module is configured to receive the brightness control signal, thereby adjusting the brightness of the LED module.

A makeup mirror display with multiple cameras and variable color temperature light source includes an adjustable makeup mirror, a makeup mirror display, at least two cameras, and at least one variable color temperature light source. The makeup mirror display is arranged at one end of the adjustable makeup mirror surface and includes at least one control button and a control circuit arranged therein. The at least two cameras are respectively arranged on a left side and a right side of the makeup mirror display and electrically connected with the makeup mirror display. The at least one variable color temperature light source is disposed on one side of the makeup mirror display and electrically connected with the makeup mirror display. Therefore, the user can perform makeup more efficiently and finish a more perfect makeup, so as to enhance the overall practicability and convenience.

A makeup mirror display with multiple cameras and variable color temperature light source includes an adjustable makeup mirror, a makeup mirror display, at least two cameras, and at least one variable color temperature light source. The makeup mirror display is arranged at one end of the adjustable makeup mirror surface and includes at least one control button and a control circuit arranged therein. The at least two cameras are respectively arranged on a left side and a right side of the makeup mirror display and electrically connected with the makeup mirror display. The at least one variable color temperature light source is disposed on one side of the makeup mirror display and electrically connected with the makeup mirror display. Therefore, the user can perform makeup more efficiently and finish a more perfect makeup, so as to enhance the overall practicability and convenience.

A lighting apparatus includes a rectifier, a 0-10V dimmer converter, a power circuit and a light source. The rectifier for receives an AC power from an AC input to generate a DC current. The TRIAC wall switch is selectively coupled to the AC input. The TRIAC wall switch is operated by a user with an first manual operation to suppress a portion of the AC power from the AC input corresponding to the first manual operation. The 0-10V dimmer converter is selectively coupled to a 0-10V dimmer. The 0-10V dimmer converts a dimmer voltage of the 0-10V dimmer to a dimmer signal corresponding to a second manual operation of the user. The power circuit is coupled to the 0-10V dimmer converter and the rectifier to convert the DC current to a set of driving current. The light source includes multiple LED modules.