Disclosed are a method for detecting a number of lamp beads, a controller, a lighting module and a storage medium. The method for detecting a number of lamp beads may include: acquiring a reference electrical parameter value of the lamp bank; controlling the plurality of lamp beads to turn on or turn off according to a preset rule, and acquiring a current electrical parameter value of the lamp bank; and determining the number of current lamp beads according to the reference electrical parameter value and the current electrical parameter value.

Disclosed are a method for detecting a number of lamp beads, a controller, a lighting module and a storage medium. The method for detecting a number of lamp beads may include: acquiring a reference electrical parameter value of the lamp bank; controlling the plurality of lamp beads to turn on or turn off according to a preset rule, and acquiring a current electrical parameter value of the lamp bank; and determining the number of current lamp beads according to the reference electrical parameter value and the current electrical parameter value.

A lighting device, wherein the effectivity is increased and allows maintaining a simple manufacturing process, comprises: a housing having a longitudinal direction, the housing comprising: reflective side walls extending in the longitudinal direction, a first cavity disposed between the reflective side walls, and an opening of the first cavity for the passage of light from the first cavity; LEDs, each having a light-emitting face and side faces, wherein the LEDs are arranged on interposers for providing electrical connection of the LEDs, wherein the LEDs are arranged in the first cavity such that the LEDs are at least partially arranged along the longitudinal direction of the housing; and a reflection element that covers a side of the interposers facing the opening, wherein the reflection element surrounds the LEDs on the side faces, and is configured as strip comprising through holes in which the LEDs are arranged.

A lighting device, wherein the effectivity is increased and allows maintaining a simple manufacturing process, comprises: a housing having a longitudinal direction, the housing comprising: reflective side walls extending in the longitudinal direction, a first cavity disposed between the reflective side walls, and an opening of the first cavity for the passage of light from the first cavity; LEDs, each having a light-emitting face and side faces, wherein the LEDs are arranged on interposers for providing electrical connection of the LEDs, wherein the LEDs are arranged in the first cavity such that the LEDs are at least partially arranged along the longitudinal direction of the housing; and a reflection element that covers a side of the interposers facing the opening, wherein the reflection element surrounds the LEDs on the side faces, and is configured as strip comprising through holes in which the LEDs are arranged.

Disclosed are illumination tent poles, tent frames and tents having one or more illumination tent poles. An illumination tent pole includes a tent pole, an elongated casing, a strip light source and a cover. The elongated casing is coupled to the tent pole or integrally formed with the tent pole. The elongated casing has an opening along a longitudinal direction of the elongated casing and facing away from the tent pole. The strip light source is disposed in the elongated casing along the longitudinal direction of the elongated casing. The strip light source emits a light when electrically connected to an electrical power source. The cover is coupled to the elongated casing and covers the opening of the elongated casing. The cover is made of a material that is at least partially transparent to the light emitted by the strip light source.

Disclosed are detection circuit and device of TRIAC dimmer and detection method. Detection circuit comprises line voltage sampling module, peak voltage sampling module, average voltage sampling module, judgment module, bleeder module, line voltage sampling module samples line voltage, outputs sampling voltage to peak voltage sampling module and average voltage sampling module; peak voltage sampling module outputs first comparison voltage to judgment module according to sampling voltage, average voltage sampling module outputs second comparison voltage to judgment module according to sampling voltage; judgment module compares first comparison voltage with second comparison voltage and outputs control signal according to comparison result to control connection or disconnection of bleeder module; bleeder module provides discharge current for TRIAC dimmer when being connected. According to invention, problem that detection result of TRIAC dimmer is unreliable can be effectively solved, and detection accuracy is improved.

Disclosed are detection circuit and device of TRIAC dimmer and detection method. Detection circuit comprises line voltage sampling module, peak voltage sampling module, average voltage sampling module, judgment module, bleeder module, line voltage sampling module samples line voltage, outputs sampling voltage to peak voltage sampling module and average voltage sampling module; peak voltage sampling module outputs first comparison voltage to judgment module according to sampling voltage, average voltage sampling module outputs second comparison voltage to judgment module according to sampling voltage; judgment module compares first comparison voltage with second comparison voltage and outputs control signal according to comparison result to control connection or disconnection of bleeder module; bleeder module provides discharge current for TRIAC dimmer when being connected. According to invention, problem that detection result of TRIAC dimmer is unreliable can be effectively solved, and detection accuracy is improved.

A light configured to be coupled to a surface, where the light includes a light source configured to emit light in three dimensions and a lens configured to direct a majority of the light emitted by the light source outwardly from the light source in directions along the surface. The light may be an anti collision light for an aircraft.

A flexible light emitting diode (LED) circuit having a first layer, the first layer including a conductive material configured to connect to an LED die, a second layer, the second layer including an electrically insulating material, and a third layer positioned between the first and second layer, the third layer having a first terminal extended electrically connecting tab that extends outward beyond the first layer and the second layer.

A flexible light emitting diode (LED) circuit having a first layer, the first layer including a conductive material configured to connect to an LED die, a second layer, the second layer including an electrically insulating material, and a third layer positioned between the first and second layer, the third layer having a first terminal extended electrically connecting tab that extends outward beyond the first layer and the second layer.