The present invention relates to the technical field of LED lamp beads of headlamps, in particular to an LED light emitting structure and a headlamp thereof, wherein the LED light emitting structure includes an LED lamp bead set, the LED lamp bead set includes at least two LED lamp beads, each of the LED lamp beads includes a lens and an LED chip set, the lens is disposed above the LED chip set, the LED chip set includes at least two LED chips with at least one being a first LED chip and at least one being a second LED chip, and the first LED chip and the second LED chip are different in color temperature or color. When the LED chip with a certain color temperature or color is controlled by the present invention, the LED chips with corresponding color temperatures or colors in all the LED lamp beads will emit light, at the moment, the lens located above the LED chip with the color temperature or color and a reflective surface in the lens can be both used, which increases the utilization ratio of the lens, and then improves a lighting effect.

A LED light display having a plurality of LED bulb arrays and a louver panel defining a plurality of hole arrays. Each hole array can define openings that are sized and spaced to receive at least the distal end portions of the bulbs forming a single LED bulb array. The louver panel further has a plurality of shaped protrusions in the form of louvers that are configured to extend outwardly and forwardly from a front surface of the louver panel and are arranged in a plurality of columns and in a plurality of rows in regularly repeating patterns related to the pattern of the placement of a plurality of the plurality of hole arrays in the louver panel and are further configured to block at least a portion of the emission of light from the LED bulbs in both a horizontal and vertical direction.

A lighting device includes a light source including at least two types of light emitting elements with different color temperatures, an optical element including a plurality of liquid crystal cells and configured to control a distribution of light emitted from the light source, and a control unit configured to control the light source. The control unit controls the optical element to change from a first light distribution state to a second light distribution state different from the first light distribution state. The control unit controls the light source so that a color temperature of light emitted in a direction perpendicular to a surface of the optical element is the same in the first light distribution state and the second light distribution state.

A light-emitting member includes an optical fiber that receives first excitation light and first mixed light. The optical fiber includes a first wavelength converter that emits first fluorescence in response to the first excitation light, and emits second mixed light being a mixture of the first mixed light and the first fluorescence through a side surface. The light-emitting member includes a light-emitting portion that emits the second mixed light outside the light-emitting member. A plurality of component light beams of the first mixed light includes first component light with a first peak wavelength and second component light with a second peak wavelength longer than the first peak wavelength. An absolute value of a difference between a first fluorescence peak wavelength of the first fluorescence and the first peak wavelength is less than an absolute value of a difference between the first fluorescence peak wavelength and the second peak wavelength.

Lighting device for a vehicle, comprising a lighting module having at least one light source and one luminous surface which is illuminated by the light source, from which light emanates during operation of the lighting device, as well as a liquid crystal display which is arranged at least partially in front of the luminous surface in such a way that, during operation of the lighting device, at least one portion of the light emerging from the luminous surface enters an entrance surface of the liquid crystal display and emerges from an exit surface of the liquid crystal display, wherein the lighting device is configured to control the liquid crystal display, in a targeted manner, in order to allow portions of the light impinging on the entrance surface to pass through the liquid crystal display and not to allow other portions of the light impinging on the entrance surface to pass through the liquid crystal display.

A vehicular lighted exterior rearview mirror system includes a lighted exterior rearview mirror assembly for mounting at a side of a vehicle. A light module is disposed at the lighted exterior rearview mirror assembly. The light module includes at least three illumination sources linearly arranged at a circuit board. When the at least three illumination sources are individually actuated, light emitted by each individual illumination source is emitted outboard away from the side of the vehicle. When the at least three illumination sources are actuated responsive to a first input, the light module emits light in a first pattern. With the lighted exterior rearview mirror assembly mounted at the side of the vehicle, and when the at least three illumination sources are actuated responsive to a second input, the light module emits light in a second pattern that is different from the first pattern.

A LED lamp includes a case, a power source arranged inside the case, a heat sink connected to one end of the case, a light source connected to the heat sink and the power source, a lamp head connected to the case, and a rotating structure arranged between the case and the heat sink. The rotating structure includes a first and a second rotating components which respectively include a first rotating surface and a second rotating surface opposite to the first rotating surface. The acute angle between the first rotating surface and a side wall of the case is a, and the acute angle between the second rotating surface and the side wall of the case is b. The included angle a and the included angel b are respectively larger than or equal to 15 degrees and less than or equal to 75 degrees.

Within the scope of the present invention, a lighting device, in particular for lighting an interior, is specified, which comprises a lighting means 3, and a light distribution body 1 having a light coupling-in surface 11 and a translucent light exit region 12; wherein the light distribution body 1 is configured to emit a first part of the light emitted by the lighting means 3 and introduced into the light distribution body 1 via the light coupling-in surface 11 in a directed manner, and to scatter a second part of the introduced light by means of the light distribution body 1, so that the light exits diffusely substantially over the entire light exit region 12 of the light distribution body 1.

A lamp comprising: (a) a work light source configured to emit work light downward to illuminate a work surface; (b) a circadian stimulation (CS) light source having a light emitting surface for emitting CS light in at least a first mode normal to said work light, CS light in said first mode having a first EML and a first brightness sufficient to cause circadian entrainment in a user.

This disclosure relates to track lighting systems that can be permanently installed and luminaires having multiple LEDs to be used with the track lighting system. In various aspects, a luminaire includes a housing having a body which defines a recess having a ledge. The luminaire also includes a lens continuous with the body and extending away from the body. Additionally, the luminaire includes a circuit board housed within the recess, where the circuit board has a cluster of light-emitting diodes (LEDs) including three (3) LEDs disposed in an equilateral triangle on a front surface of the circuit board. The circuit board also a controller for controlling the cluster of LEDs and receiving instructions from an instructor. The circuit board abuts the ledge of the recess such that the cluster of LEDs are oriented towards the lens and emit light from the lens when the cluster of LEDs are powered.