A multifunctional solar landscape fountain device is disclosed, including a first base, a column, and a colorful floating ball component. The column is fixedly mounted on a top of the first base, and a power supply module is provided in the first base. The colorful floating ball component includes a second base, an overflow tank, a crystal ball, several colorful LED lights, and an outlet eccentric nozzle. By use of the PLC control electrical box to control the colorful LED lights for working, to achieve the landscape effect of suspended rolling with light irradiation, reducing the water spray evaporation, thereby improving the viewing effect.

An optical module includes a light source that outputs light, and a micro lens array (MLA) module provided on a front side of the light source, and to which the light is input. The MLA module includes an input lens array, to which the light is input, and includes a plurality of input lenses. An output lens array provided on a front side of the input lens array, that outputs the light input from the input lens array includes a plurality of output lenses, where optical axes of the plurality of output lenses extend in a forward/rearward direction and cross centers of the plurality of input lenses.

A decorative automotive component includes a structure having a textured surface with a plurality of light-reflecting facets. The textured surface is selectively metallized, such as via electroplating, such that a plurality of openings are defined through the metal material and which expose the underlying substrate. A first light source, hidden from view, is disposed above the textured surface and directs light onto the reflective textured surface, such that light is reflected outwardly therefrom. A second light source is disposed within the structure and below the substrate, and directs light through substrate and directly into and through openings, such that the openings are illuminated and visible. The light sources can be activated individually or at the same time to combine the lighting effect.

A household lighting lamp and a control method for a household lighting lamp. The household lighting lamp comprises a lamp holder, a main light-emitting component, and a secondary light-emitting component; the front side of the lamp holder is a front panel, and the rear side of the lamp holder is a mounting part; the main light-emitting component is disposed in front of the lamp holder, the secondary light-emitting component is disposed behind and/or at the side of the lamp holder, and the main light-emitting component and secondary light-emitting component are electrically connected to a control circuit. The illumination of the lighting lamp can be conveniently adjusted, and the light sensation of the lamp is comfortable and can be adapted to requirements of a user in different scenarios.

A reflective element includes multiple reflective cavities and multiple spacers. Each reflective cavity has an upper opening, a lower opening, and a peripheral wall. A peripheral-wall bottom edge of the peripheral wall is disposed on a substrate of a light board, and the lower opening of the reflective cavity corresponds to one light emitting component. Each spacer includes a bottom surface, a first inclined surface, and a second inclined surface. The bottom surface is connected to the first inclined surface and the second inclined surface, and the bottom surface is disposed on the substrate and flush with the peripheral-wall bottom edge. The first inclined surface and the second inclined surface respectively serve as the side walls of adjacent two of the reflective cavities, and some of the spacers have a height difference between a top edge of the first inclined surface and a top edge of the second inclined surface.

An optical system includes a light source, a lens, and a light effect ring. The lens has first and second surfaces and receives a first light beam from the light source at the first surface and emits a second light beam from the second surface. The light effect ring includes a first plurality of light emitters emitting second light beams that obliquely illuminate the first surface of the lens and a second plurality of emitters that emit third light beams through the lens. The light effect ring may include a plurality of segments that move into and out of the first light beam, where each segment includes a first subset of the first plurality of light emitters and a second subset of the second plurality of emitters.

A zoom optical system includes a light source and focus, zoom, and fixed lens groups. The light source illuminates an object in or adjacent to an object plane. The focus lens group has a first positive optical power and moves to focus an object. The focus lens group has four lenses of positive, positive, positive, and negative optical power. The zoom lens group has a negative optical power and moves relative to the object plane and the focus lens group to control a beam angle while the focus lens group remains fixed relative to the object plane. The zoom lens group comprises two negative power lenses. The fixed lens group has a second positive optical power, remains in a fixed position relative to the object plane, and projects an image of the object. The fixed lens group has three lenses, comprising negative, positive, and positive optical powers.

An illuminated keyboard includes a metal plate, an illuminated module, and an insulating heat-pressing sheet. The metal plate has an upper surface and a lower surface opposite to each other. The illuminated module includes a circuit structure and a plurality of illuminated elements, wherein the circuit structure has an upper surface and a lower surface opposite to each other, a substrate and a circuit formed on the substrate. The plurality of illuminated elements is electrically connected to the circuit. The insulating heat-pressing sheet is placed between the circuit structure and the metal plate, wherein the circuit structure is attached to either the upper surface or the lower surface of the metal plate through the insulating heat-pressing sheet.

An optical member includes: a plurality of light controllers, each including: a first surface, a convex surface that is located opposite to the first surface and is curved in a direction away from the first surface, and a concave surface that opens at the first surface and is curved from the first surface toward the convex surface. A radius of curvature of the concave surface is less than a radius of curvature of the convex surface. In a plan view, a center of the concave surface coincides with a center of the convex surface. A first distance from the first surface to a topmost portion of the convex surface is 4.5 times or more a second distance from the first surface to a deepest portion of the concave surface.

A rotary folding lamp includes a support assembly, a light emitting assembly, a rotation assembly, a folding assembly and a control component, the light emitting assembly includes a first light emitting part and a second light emitting part which is foldably connected to the first light emitting part, the rotation assembly is arranged between the first light emitting part and the support assembly to allow the first light emitting part to rotate with respect to the support assembly, the folding assembly is arranged between the support assembly and the rotation assembly to allow the first light emitting part to be folded onto the support assembly.