Abstract: The ceiling lamp includes a top plate, a ceiling shell, an air guide shell, a main shell and a lampshade. A first accommodation cavity is formed between the ceiling shell and the air guide shell. A second accommodation cavity is formed with the lampshade. An illuminant board is configured in the second accommodation cavity. A fan is configured coaxially on the axis of the air guide shell. An air passage connected with the fan is opened on the lampshade by invagination along the axial direction of the lampshade. At least one air hole is formed on air guide shell. A filter screen module is detachably configured in the air passage. The external air flow is discharged from the air hole through the fan by the filter module, or enters from the air hole and then discharges through the filter module after passing through the fan.

Abstract: The disclosure includes a convertible light device comprising a housing, a battery pack coupled to the housing, and an elongate flexible light source detachably coupled to the housing and electrically coupled to the battery pack, where the elongate flexible light source comprises a plurality of LEDs. In some embodiments, the convertible light device is configured to convert between a rope mode and a lantern mode. In the rope mode, the elongate flexible light source may be configured to extend from the housing and couple to an external anchor. In the lantern mode, the elongate flexible light source may be configured to wrap around the housing.

Abstract: An LED growth light and method for providing light to plants incorporating an LED arrangement, a growth light housing, and a power source. The LED arrangement includes LEDs arranged in individually powered columns to provide relatively uniform disbursement of the light to the plants. The housing includes an accessory rail to attach a variety of optional accessories and internal cooling fins to cool the housing to prevent damage to the power supply and/or to prevent overheating the plants. In addition, the housing includes a fan and end caps which permit the movement of air for the displacement of heat and reduce the intake of moisture or debris into the interior of the LED growth light.

Abstract: A mount includes a first linkage having a front face that extends in a first direction and faces in a second direction that is perpendicular to the first direction, a second linkage slidably connected to the first linkage, the second linkage comprising a body portion extending in the first direction and a neck portion disposed at an end of the body portion of the second linkage, a third linkage rotatably connected to the first linkage at a first end of the third linkage, a telescoping element slidably connected to the third linkage, the telescoping element comprising an abutment portion at an end of the telescoping element, and a housing attachment mechanism coupled to a first surface of the neck portion of the second linkage.

Abstract: A downlight apparatus includes a light source module, a cup housing, and a rotation structure. The cup housing has a surface rim and cup body. The surface rim defines a light opening. The surface rim covers an installation hole of an installation cavity. The multiple LED modules are disposed in the container space for emitting light out of the downlight apparatus from the light opening. The rotation structure selectively defines a first exterior diameter and a second exterior diameter. The first exterior diameter being larger than the second exterior diameter and an installation diameter of the installation hole. The second exterior diameter is smaller than the installation diameter.

Abstract: In some embodiments, optical systems with a reflector and a lens proximate a light output opening of the reflector provide light output with high spatial uniformity and high efficiency. The reflectors are shaped to provide substantially angularly uniform light output and the lens is configured to transform this angularly uniform light output into spatially uniform light output. The light output may be directed into a spatial light modulator, which modulates the light to project an image.

Abstract: The invention discloses a projection night light, comprising a shell, and a projection component and a lighting component arranged in the shell, wherein the projection component comprises a first lamp bead and an aurora cover covered on the first lamp bead; the lighting component comprises second lamp beads and a diffuser covered on the second lamp beads; the diffuser is in a ring shape and is arranged around the aurora cover; the center of the shell is provided with an opening; the aurora cover and the diffuser extend out of the shell from the opening. The lighting component of the projection night light of the invention is arranged around the projection component so that the light paths of the two will not affect each other, which allows the invention to have a variety of different ways of use: create atmosphere for users, decorate the room, assist sleep, etc.

Abstract: A luminaire head comprising: a first support comprising a plurality of light sources; a second support comprising a plurality of lens elements associated with the plurality of light sources; a moving means configured to move the second support with respect to the first support, such that the position of the plurality of lens elements geometrically projected on a surface of the first support is changed.

Abstract: The invention provides a metal-based support (100) for a lighting element (200), wherein the lighting element (200) comprises a light source support (300) and a light source (10) functionally coupled to the light source support (300), wherein the metal-based support (100) comprises a metal body (140) and a fixation element (400) for fixating the light source support (300) to the metal-based support (100), wherein at least part of the fixation element (400) is part of the metal body (140), wherein the fixation element (400) comprises a central part (410) which is configurable in a first configuration and in a second configuration, different from the first configuration, wherein a change from one configuration to the other can be effected by applying a force on the central part (410), wherein the fixation element (400) comprises two protruding elements (420) configured extending from the central part (410) in both configurations of the central part (410), wherein terminal parts (421) of the respective protrudin

Abstract: A laser point projecting device including a light source assembly that projects first and second positioning points respectively along two directions of a straight line. The laser point projecting device includes a housing part forming a sleeve around a body part. The body part and the housing part are displaceable relative to each other. The light source assembly is switched off when the body part is displaced to a first position along the direction of projecting the first positioning point; and the light source assembly is activated when the body part is displaced to a second position along the direction of projecting the second positioning point. The housing part has at least one opening at the end along the direction of projecting the first positioning point, and a hollow space formed between the end of the housing part close to the first positioning point and the body part.

Abstract: A lamp assembly installed to a ceiling fan includes a heat dissipation module and a lamp. The heat dissipation module has a heat dissipation body. The heat dissipation body is mounted to a connecting seat of the ceiling fan. The heat dissipation body includes a plurality of heat dissipation units on one side of the heat dissipation body adjacent to the connecting seat. The heat dissipation units have an axis. The heat dissipation units are sequentially arranged from inside to outside relative to the axis. The heat dissipation units each have at least one heat dissipation fin relative to the axis. The lamp is fixedly connected to another side of the heat dissipation body. The lamp assembly has a better heat dissipation effect and can be installed quickly.

Abstract: A light source module includes a light source, first and second lens elements, a reflector, and a first diffuser. The light source emits a beam focused by the first lens element on a first focal point. The reflector is disposed on a beam transmission path. The first lens element is between the light source and the reflector. The first diffuser is between the first lens element and the reflector and includes a first diffusion plate and a first drive mechanism. The first diffusion plate is at/near the first focal point. The beam is transmitted to the reflector by the first diffusion plate. The first drive mechanism is between the first diffusion plate and the first lens element, and moves/rotates the first diffusion plate. The second lens element has a second focal point, coinciding with the first focal point, at a light-incident side. The reflector is at the light-incident side.

Abstract: A portable lighting device includes a lighting assembly, a switch assembly, a control module, a power supply, a power recognition circuit, and a power conversion circuit. The control module is configured to control the lighting assembly to light up according to an indication of the switch assembly. The power supply is used for supplying power to the lighting assembly and includes a battery pack and an external power supply. The power conversion circuit is used for converting a power of the power supply into a power output adapted to the lighting assembly and the control module. The power recognition circuit is configured to selectively output the power of the battery pack or the power of the external power supply to the power conversion circuit.

Abstract: Disclosed herein is a multi-element flexible strap light which includes a plurality of light elements disposed on a flexible chassis. The flexible chassis may include a first flexible layer, a printed circuit board, and a second flexible layer. The flexible chassis may be further contained within a third flexible layer, such as a layer of polycarbonate plastic. Further disclosed is a multi-element flexible strap light system which includes a plurality of light elements disposed on a flexible chassis and a remote battery.

Abstract: A transparent roof assembly for a vehicle roof comprises a panel with a transparent area, a light source arranged to provide light into the panel and an out-coupling pattern arranged on the surface of the transparent area of the panel. The out-coupling pattern comprises dots of a light-redirecting material for out-coupling of light introduced into the panel and propagating in the panel, wherein the dots each have a representative diameter of 150 microns or less, preferably 80 microns or less and wherein a total dot surface area of the dots of the out-coupling pattern is smaller than 10% of a total surface area of the transparent area. Thus, the transparent area appears transparent during daytime looking from an interior of the vehicle to an exterior of the vehicle, while sufficient light is provided into the interior when the light source is switched on.

Abstract: An electronic device includes a substrate film having a first side and a second side, and a number of light sources configured to emit light. A plastic lightguide layer is molded onto the first side of the substrate film. The plastic lightguide layer being of optically at least translucent material to transmit light. The device also includes a masking layer provided on the outer surface of the plastic lightguide layer. The masking layer defines a window for letting the light emitted by the embedded light sources to pass through the masking layer towards the environment.

Abstract: A lighting assembly includes a light guide having opposite first and second major surfaces and at least one edge surface extending between the first and second major surfaces, a solid-state light source arranged to emit light into the edge surface of the light guide, and a plurality of integrated optical elements associated with the first major surface to redirect the light emitted by the solid-state light source. The lighting assembly may further include an air circulation device and a heat transfer system configured to transfer heat generated by the solid-state lighting source to a flow of air generated by the air circulation device. The solid-state light source may include light-emitting diodes, laser diodes, and/or organic light emitting diodes configured to produce multiple colors. Also provided is a habitat including the lighting assembly, and related methods.

Abstract: A luminaire includes a body, with first and second surfaces that define an elongate interior cavity between the first and second surfaces, the elongate interior cavity being sized to receive one or more elongate light sources; an elongate lens that is removably securable to the body to at least partially cover the elongate interior cavity; and at least one lens retainer disposed at a first end of the elongate interior cavity, where the lens retainer includes a frame including a first frame end and a second frame end, at least a first spring lever disposed between the first and second frame ends, where the at least first spring lever is biased towards a second end of the elongate interior cavity that is opposite the first end of the elongate interior cavity; where the elongate lens is snugly retainable on the body using the bias provided by the spring lever.

Abstract: Light emitted from laser light source is divided by prism into two light flux and light flux corresponding to light emitted from slope and slope. Light flux and light flux are diffused by diffusion plate and diffusion plate to become light flux and light flux. By overlapping light flux and light flux, a radiation distribution with a wide angle and high light intensity can be obtained.

Abstract: The invention concerns a timepiece (1), notably a diver's watch, comprising a case (2) provided with a case middle (3), a light source (6), an element (4) movable between several positions relative to the case (2), and movable means for assembling the movable element (4) on the middle part (3) of the case (2). More particularly, the movable element (4) includes a light guide (10) and an upper cover (9) comprising an index (5), the guide (10) being configured to receive a light beam (8) from the light source through an entry face (12), and to guide light rays (18) through an exit face (15) of the light guide (10) in order to illuminate the index (5), whatever the position of the movable element (4) relative to the case (2).