58results about How to "Suitable lighting" patented technology

The invention discloses a light-emitting diode (LED) module, comprising an LED and a lens matched with the LED, wherein the lens has a concave light incoming surface and a convex light emitting surface, a first coordinate surface and a second coordinate surface vertically intersected are intersected with the light incoming surface and the light emitting surface of the lens, and at least part of continuous areas of the light emitting surface meet the following condition: the radius of curvature of any point of the part of continuous areas in the first coordinate surface is greater than the distance between the point and the LED, and is less than the radius of curvature of a corresponding point on the light incoming surface; and the radius curvature of any point of the above areas in the second coordinate surface is greater than the distance between the point and the LED and is larger than the radius of curvature of a corresponding point on the light incoming surface, thus the light emitting angle of light which is emitted by the LED and reflected by the lens in the first coordinate surface is larger than the light emitting angle thereof in the second coordinate surface. In the invention, the lens regulates light of the LED to generate an optical shape which has large illumination range along one direction and has small illumination range along the other direction, thus being suitable for illumination of special occasions such as roads and the like.

A lighting device is provided for projecting a pixelated lighting pattern to be viewed onto a surface facing said device is provided. The device comprises a plurality of independently controllable lighting units (1), each lighting unit comprising at least one light- emitting diode (3, 4, 5, 6), and a controller (7) for controlling the emission of light from said lighting units. A device according to the present invention allows ambient illumination of a surface and projection of images and patterns.

A semiconductor light emitting device having high reliability and excellent light distribution characteristics is provided. Specifically, a semiconductor light emitting device 1 is provided with an n-electrode 50, which is arranged on a light extraction surface on the side opposite to the surface whereupon a semiconductor stack 40 is mounted on a substrate 10. A plurality of convexes are arranged on a first convex region 80 and a second convex region 90 on the light extraction surface. The second convex region 90 adjoins to the interface between the n-electrode 50 and the semiconductor stack 40, between the first convex region 80 and the n-electrode 50. The base end of the first convex arranged in the first convex region 80 is positioned closer to alight emitting layer 42 than the interface between the n-electrode 50 and the semiconductor stack 40, and the base end of the second convex arranged in the second convex region 90 is positioned closer to the interface between the n-electrode 50 and the semiconductor stack 40 than the base end of the first convex.

The invention discloses a light emitting diode module, comprising a light emitting diode and a lens matched with the light emitting diode. The lens is provided with an optical shaft, a light incident surface and a light emergent surface, wherein the light incident surface and the light emergent surface are used for the incidence and the emergence of the light rays emitted by the light emitting diode, the light incident surface is concave inwards, the light emergent surface is convex outwards, the leans is symmetric respectively along a first plane and a second plane which are vertical to and intersected with the optical shaft, in the first plane, peak intensity of the light rays emitted from the lens is in a range deviating the optical shaft by 68-78 degrees, and in the second plane, the peak intensity of the light rays emitted from the leans is in a range deviating the optical shaft by 0-22 degrees. By using the lens to adjust the light rays of the light emitting diode, the light emitting diode module can generate an optical shape with a large illumination range along one direction and a small illumination range along the other direction, thereby being suitable to the illumination in special occasions such as roads and the like.

An illumination device includes: a light source unit; and an optical member having a plate-like shape and disposed in front of the light source unit, wherein the optical member includes a first refractive prism having a function of refracting light, and a reflective prism disposed on an outer side of the first refractive prism and having a function of reflecting light, wherein an optical axis of the light source unit is configured to pass through a region in which the first refractive prism is disposed, wherein the first refractive prism is configured to cause an incident light to travel to a side opposite to the optical axis, and wherein the reflective prism is configured to cause an incident light to travel to the optical axis side.

Provided is a sheet-form transparent molding for use for a transparent screen, satisfying both visibilities of a projected light and a transmitted light by anisotropically scattering and reflecting the projected light emitted from a light source. A sheet-form transparent molding according to the present invention comprises a transparent light scattering layer comprising a resin and bright flake-form microparticles.

A hydrostatic transmission includes a hydraulic pump, a top housing that houses the hydraulic pump, and a hydraulic motor. An endblock sub-assembly has a pump running face for interfacing with the hydraulic pump, and a motor connection portion for interfacing with a hydraulic motor. The enblock sub-assembly forms a porting manifold for communicating hydraulic fluid from the hydraulic pump to the hydraulic motor. The hydraulic motor includes an internal rotor set, and the hydraulic motor is secured to the endblock sub-assembly in a manner that permits rotation of the rotor set. The top housing is fixed to the endblock sub-assembly such that the housing and endblock sub-assembly form a reservoir for the hydraulic fluid. The motor connection portion of the endblock sub-assembly supports the hydraulic motor externally to the top housing. The hydrostatic transmission is suitable for incorporation into various light vehicle categories, including zero-turn radius vehicles.

A luminaire including a plurality of light-emitting light sources is provided. The luminaire can be produced with little manufacturing out-lay and, consequently, economically, which is suited for street and path lighting and reduces the glare for an observer. The luminaire comprises at least one reflector profile extending in the longitudinal direction and comprising a plurality of apertures and at least one reflector surface provided on the front of the reflector profile, the light sources being arranged in the area of the apertures at the back of the reflector profile. A reflector profile for a luminaire is also provided.