A visual task or status indicator comprises a tube having a riser region extending away from a base and an illumination output region distal to the riser region. The tube has the tube wall comprising an optical diffuser material. A waveguide, such as a polycarbonate strand or other optical fiber or a bundle of optical fibers, is enclosed within and extends through the riser region into the illumination output region of the tube. The waveguide is configured to emit light laterally in the illumination output region. A light source is coupled to the waveguide. The light source can have a plurality of output light modes, including various colors or intensities or patterns of colors and intensities. Control circuitry is connected to the light source to select the output light modes in response to a control signal. A plurality of indicators can be controlled from a central control hub.

A light emitting module includes a light source, a first lens configured to transmit light from the light source and including at least a portion that is elastically deformable, and an actuator configured to move the first lens in a direction along an optical axis of the first lens. The light source includes a contact portion with which the first lens comes into contact. The actuator is configured to move the first lens to change a state of the first lens relative to the contact portion of the light source.

A primary optical element, a primary optical assembly, an optical assembly, a vehicle lamp lighting device and a vehicle. The primary optical element comprises a primary optical element main body comprising a light guiding portion and a fusion light-emitting portion which are provided from rear to front, a front end surface of the fusion light-emitting portion is provided as a light-emitting surface, and the light guiding portion comprises a plurality of light guiding columns, the thickness of the fusion light-emitting portion in the up-down direction greater than the thickness of the light guiding portion in the up-down direction, and the fusion light-emitting portion able to fuse light transmitted by the plurality of light guiding columns to the fusion light-emitting portion, and then emit the light by means of the light-emitting surface. The primary optical assembly, the optical assembly, the vehicle lamp lighting device, and the vehicle comprise the optical assembly.

An optic for a light-emitting diode (LED) array comprises an arrangement of optical structures for providing down lighting distribution from the LED array and a waveguide edge for providing up-lighting distribution from the LED array. Luminaires are described comprising an LED array and the optic. An overhead light fixture includes a driver assembly and a light-emitting assembly. The light-emitting assembly is operably connected to the driver and configured for downward emission of light from a light source of the light-emitting assembly. The light fixture is configured to be mounted to a canopy sheet of an overhead canopy, with the driver assembly disposed above the canopy sheet and the light-emitting assembly disposed below the canopy sheet. A bezel is optionally disposed around a lens of the light-emitting assembly, for aesthetic reasons and/or for controlling a degree of lateral emission of light from the light fixture.

The present disclosure provides a meteor projection structure, which includes at least one polygonal reflecting wheel, at least one laser device, at least one light-permeable sheet and at least one motor. At least one side of the polygonal reflecting wheel is provided with a reflecting surface, a light emitted by the laser device is first reflected by the reflecting surface, and then emitted by the light-permeable sheet, wherein the light-permeable sheet intersects with an emergent light path; the motor is connected with the polygonal reflecting wheel through a transmission mechanism. A meteor lamp is further provided, which includes a housing and the meteor projection structure as described above. In the present disclosure, the motor drives the polygonal reflecting wheel to rotate; when a laser emitted by the laser device passes through the rotating polygonal reflecting wheel.

An AC power source LED light device for projecting moving images includes an LED light or LED bulb arranged to provide moving effects by moving at least one LED, an image forming element, a projection lens, or a projection assembly, or by controlling on/off of multiple LEDs to provide the appearance of movement.

The invention relates to a lighting arrangement with at least one LED lighting element (15) arranged on a support member (12). An optical element (16) is arranged spaced from the LED lighting element (15) in a first direction O. A holder (14) is provided to hold the optical element (16) in a position relative to the LED lighting element (15). The holder (14) comprises at least a first holding portion (24a) extending from the support member (12) into the first direction O and a second holding portion (24b) connected to the optical element (16). The second holding portion (24b) is arranged such that at least a part extends into the first direction O. The second holding portion (26b) is spaced from the first holding portion (24a) in a direction traverse to the first direction O. In the case of distortions due to temperature changes and a mismatch of the coefficient of thermal expansion, the lighting arrangement minimizes variations in the displacement of the optical element (16) relative to the LED lighting element (15).

An illumination system includes a lightguide having light extractors. A first light source is disposed at an end face of the lightguide. Light emitted by the first light source is extracted from the lightguide by the light extractors and exits the lightguide primarily along a first direction different than the length direction. A second light source is disposed along the length of the lightguide. Light emitted by the second light source enters the lightguide from a first side surface and exits the lightguide from a different second side surface along a second direction different than the first and length directions. Light emitted by the second light source has a first divergence in a first plane before entering the lightguide through the first side surface and a different second divergence in the first plane after exiting the lightguide from the second side surface.

The invention relates to a lighting arrangement with at least one LED lighting element (15) arranged on a support member (12). An optical element (16) is arranged spaced from the LED lighting element (15) in a first direction O. A holder (14) is provided to hold the optical element (16) in a position relative to the LED lighting element (15). The holder (14) comprises at least a first holding portion (24a) extending from the support member (12) into the first direction O and a second holding portion (24b) connected to the optical element (16). The second holding portion (24b) is arranged such that at least a part extends into the first direction O. The second holding portion (26b) is spaced from the first holding portion (24a) in a direction traverse to the first direction O. In the case of distortions due to temperature changes and a mismatch of the coefficient of thermal expansion, the lighting arrangement minimizes variations in the displacement of the optical element (16) relative to the LED lighting element (15).

The invention provides a light generating system (1000) comprising a LED module (100), a module support (200), and a connector element (300), wherein: the module support (200) comprises a first module support opening (230) for hosting at least part of a first connector element part (310); the LED module (100) comprises a LED support (120) and a plurality of LEDs (10) functionally coupled to the LED support (120), wherein the LED support (120) comprises a LED support opening (130) for hosting at least part of the first connector element part (310); and wherein the plurality of LEDs (10) are configured to generate light source light (11); the connector element (300) comprises the first connector element part (310), and wherein the first connector element part (310) comprises a first spring part (315); at least part of the first connector element part (310) penetrates through the first module support opening 230); and the LED support opening (130), the first connector element part (310), and the module support (200) are chosen such that in a functional coupling of the LED module (100) and the module support (200), at least part of the first connector element part (310) penetrates through the LED support opening (130), and the first spring part (315) exerts a force on the LED module (100) against the module support (200).