32results about How to "Comfortable light" patented technology

A lighting fixture for providing illumination comprising a housing, a printed circuit board, and a plurality LEDs connected to the printed circuit board. Optionally an emergency LED may also be included. A heat sink is connected to the housing and printed circuit board. Each of the plurality of the LEDs is mounted on the heat sink. A reflector is disposed inside the housing such that the light from the LEDs is mixed together and projected out of the illumination end of the housing by the surface of the reflector. The lighting fixture is received into a mounting flange assembly. A method for providing illumination using the above.

A light-emitting diode shelf includes a light guide panel, a reflector covering a first side of the light guide panel, a first diffuser covering a second side of the light guide panel, a second diffuser covering the reflector, a light-emitting diode strip at an edge of the light guide panel, and a base encompassing the light-emitting diode strip and attached to the light guide panel.

A light emitting diode (LED) package unit, including a substrate having a concave, a LED chip, at least two electrodes, at least two wires, a gel and a first wavelength-converting material. The LED chip, disposed in the concave, including a top-face, a bottom-face for jointing with the substrate, and at least two chip-electrodes. The LED chip emits light of a first wavelength. The electrodes are disposed on the substrate. The wires are respectively connecting one of the chip-electrode with one of the electrode. The gel is disposed to seal the LED chip and the wires. The first wavelength-converting material including Sr—Si—O—N:Eu is doped within the gel. The first wavelength-converting material absorbs light of the first wavelength and emits light of a second wavelength longer than the first wavelength.

The invention discloses a method for generating a shadow pattern through light source illumination. A light source device capable of generating semi-spherical light is arranged on the bottom face, light emitted by the light source device on the bottom face passes through a shadow transmission and scattering device to be irradiated to the target face to illuminate the target face, and the shadow pattern is formed on the target face. The shadow transmission and scattering device is provided with a surrounding type structure to converge the light emitted by the light source device, the surrounding type structure is a seamless cylinder made of metal, and the cross section of the seamless cylinder is in a circle shape or an oval shape or a regular polygon shape or a rectangle shape. The minimum distance between the light source device to the lateral wall of the seamless cylinder is D, the height of the seamless cylinder is H, the power of the light source device is P, and the adjustment constant is K, wherein P=(H / D)*K, the D is larger than or equal to 40 and smaller than or equal to 200, the H is larger than or equal to 400 and smaller than or equal to 4000, and the K is larger than or equal to 1.4 and smaller than or equal to 2.5. According to the method for generating the shadow pattern through light source illumination, the shadow pattern generated by shadow projection can be clear, and boundaries are not dim.

The invention discloses a method for generating light and shadow patterns by means of light source illumination. A light source device capable of generating light in a half spherical surface is arranged on a bottom surface, and the light emitted by the light source device on the bottom surface emits to a target face through a light and shadow transmission and scattering device, lightens the target face and forms the light and shadow patterns on the target face; the bottom surface is arranged in the center of one end of the light and shadow transmission and scattering device; the light and shadow transmission and scattering device is provided with a surrounding type structure so that the light emitted by the light source device can be converged and is provided with multiple transmission structures and scattering structures; the light source device comprises a naked light source emitting scattered light rays and a plurality of secondary light distribution light sources, collimating light rays are obtained after light distribution is carried out on the secondary light distribution light sources through a light distribution device, and the secondary light distribution light sources are arranged around the naked light source. The method is used for generating the light and shadow patterns by means of light source illumination. According to the method, the light and shadow patterns generated by light and shadow projection can be clear and no blurry boundaries exist.

A lighting device for illuminating a passenger compartment of a vehicle, having a primary light source, a light directing element, and a lens sealing the lighting device with respect to the passenger compartment of the vehicle, is distinguished in that a light guiding element is arranged between the primary light source and the lens, which element has irregularities that are arranged in a predetermined shape, in that a secondary light source is arranged such that light emitted by the secondary light source is coupled into the light guiding element, and in that the lens is designed to be touch-sensitive and / or proximity-sensitive.

The invention discloses a non-destructive full picking and bundling portable bearing device for toona sinensis. The non-destructive full picking and bundling portable bearing device for the toona sinensis comprises a lotus leaf-like non-destructive picking mechanism, a slow rebound bearing fixing mechanism, a funnel-shaped semi-closed glide tube, a toona sinensis glide alignment transmission mechanism, a toona sinensis bundling mechanism and a toona sinensis loader, wherein the lotus leaf-like non-destructive picking mechanism is arranged on the slow rebound bearing fixing mechanism; the funnel-shaped semi-closed glide tube is also disposed on the slow rebound bearing fixing mechanism; the toona sinensis glide alignment transmission mechanism, the toona sinensis bundling mechanism and thetoona sinensis loader are all arranged in the slow rebound bearing fixing mechanism; the toona sinensis glide alignment transmission mechanism is disposed on a feed inlet of the slow rebound bearing fixing mechanism; the toona sinensis bundling mechanism is arranged right below the rear end of the toona sinensis glide alignment transmission mechanism. The non-destructive full picking and bundlingportable bearing device for the toona sinensis belongs to the technical field of toona sinensis picking machinery. The non-destructive full picking and bundling portable bearing device for the toona sinensis has the advantages of doing no damage to toona sinensis buds and branches, realizing full picking of the toona sinensis, and realizing real-time neat bundling of the picked Toona sinensis.

The invention discloses a method for generating a shadow pattern through light source illumination. A light source device capable of generating hemispheric light is arranged on the bottom face. Light emitted by the light source device on the bottom face is emitted to a target face through a shadow transmitting and scattering device to illuminate the target face, and therefore the shadow pattern is formed on the target face. The shadow transmitting and scattering device is of a surrounded structure so that the light emitted by the light source device can be converged, and the shadow transmitting and scattering device is provided with a plurality of transmitting structures and a plurality of scattering structures. The transmitting structures are used for generating the shadow pattern and the scattering structures are used for illuminating the whole target face. According to the method for generating the shadow pattern through light source illumination, the shadow pattern generated through projection of the shadow can be made to be clear, a boundary is clear, it can be guaranteed that the face generating the shadow pattern has the enough illumination degree, and a person feels that the light is soft and comfortable.

The invention discloses an LED lamp device. The LED lamp device comprises a modulator tube, a light source device arranged on the modulator tube, and a cable connected with the light source device. The light source device is arranged at the top end of the modulator tube. Light emitted by the light source device is emitted to a target face through a shadow transmission and scattering device on the modulator tube and illuminates the target face, and a shadow pattern is formed on the target face. An elastic pipe fitting which is in a stretched state and extends in the axial direction of the modulator tube is arranged in the modulator tube. The cable penetrates through the elastic pipe fitting from bottom to top to be connected with the light source device. The LED lamp device is simple in structure and easy to manufacture, and when the LED lamp device is used, the produced shallow pattern can be clear and integral, and the boundary is not vague; meanwhile, the enough illumination degree is ensured for the face where the shadow pattern is formed, and people can feel that light rays are soft and comfortable.