5835results about "Refractors" patented technology

The invention discloses a lamp and a method for improving the lighting effect of the lamp, the lamp comprises a shell, a light-transmitting piece, a main supporting frame and a light source device, the light source device comprises a mounting substrate and a light emitting body, the mounting substrate is provided with a mounting base surface used for mounting the light emitting body, and the light emitting body is configured to emit light; the position of the light source device is lifted to the mounting base surface to approach to the upper edge of the shell from bottom to top or upwards exceed the upper edge of the shell, so that the upper edge of the shell is prevented from interfering with lateral light rays emitted by the light source device from the light transmitting part; according to the lamp, light rays of a single light source are laterally diffused, the light spots formed by the lamp are larger and are better in uniformity by being matched with avoiding matching of the shell and the light-transmitting piece, so that the lighting effect is improved, and the light sensation of the whole space is better; according to the method for improving the lighting effect of the lamp, the lighting effect is improved by lifting the light-emitting body, so that the mounting base surface of the light-emitting body is upwards close to the upper edge of the shell or upwards exceeds the upper edge of the shell, and lateral light rays can avoid the shell to be spread outwards.

A vehicle marker lighting device includes a light source. The light source has an elongate light pipe with a first end operatively coupled to the light source and a second end having a metalized surface. The light pipe further has a plurality of prism optics extending into an outside surface of the elongate body. An inner lens is operatively coupled to the light pipe to receive light reflected from the plurality of prism optics and to output the light beam.

An electronic module can include a housing defining a housing cavity with a first opening and a second opening; an LED lamp board positioned within the housing cavity, the LED lamp board configured to emit light through the first opening; a first electrical terminal positioned within the second opening; and a first mounting plate positioned within the housing cavity, the first electrical terminal coupled to the first mounting plate, the first mounting plate configured to couple to a second mounting plate by engaging at least one claw with at least one radial lug to connect the first electrical terminal in electrical communication with a second electrical terminal coupled to the second mounting plate.

The lighting device may include a housing configured to be installed within a building structure and to at least partially enclose a lighting device assembly. The housing may include a lower plate and a trim portion that defines an aperture that extends in a plane and is circular-shaped. The aperture may be configured to enable the light emitted by the emitter assembly to be transmitted out of the housing. The trim portion may be located within a fixture opening in the lower plate. The trim portion may include a body and a lens. The lens may be configured to cover the lens opening of the body of the trim portion. The lens may be arranged at an angle with respect to the plane of the aperture of the trim portion.

The embodiment of the invention provides a lens, a projection device, a vehicle lamp device and a vehicle, and belongs to the technical field of optics. The lens comprises at least five lenses arranged from an image side to an object side. The image side face of the lens closest to the image side in the lens is a concave face, the number of the lenses with the positive focal power in the lens is at least three, and the number of the lenses with the negative focal power in the lens is at least one. Wherein when the number of the lens with the negative focal power is one, the lens with the negative focal power is arranged between the lens, closest to the image side, in the lenses and the lens, closest to the object side, in the lenses. According to the lens provided by the embodiment of the invention, a relatively large field angle can be realized under the condition that Fno is less than or equal to 1.0, so that the lens can have the characteristics of a large aperture and a large field angle at the same time.

Disclosed are a lens unit, an optical lens, an illumination module, a vehicle light, and a vehicle. The lens unit comprises a light incident portion (1) having first unidirectional collimation and a light emergent portion (2) having second unidirectional collimation, so as to form an asymmetric light shape. The lens unit can meet the requirement of the anisotropy of the illumination light shape of the vehicle light so as to form the asymmetric light shape, thereby meeting the requirement for a narrow and long model.

A lamp for the vehicle includes a plurality of light sources arranged in a vertical direction; and a plurality of light guiding lenses respectively disposed in front of the plurality of light sources and arranged in an arrangement direction of the plurality of light sources. Each of the plurality of light guiding lenses includes: a light receiving portion to which light emitted from a corresponding light source is incident; a light emission portion disposed in front of the light receiving portion to emit the light incident from the light receiving portion; and a shield portion including an edge portion disposed at a rear focus of the light emission portion. The edge portion is configured to obstruct a portion of the light from being directed to the light emission portion, and edge portions of at least two of the plurality of light guiding lenses have different orientation angles.

The invention relates to the technical field of lighting lamps, in particular to a rhythm sky lamp. The rhythm sky lamp comprises a shell body, a blue sky module, a lighting module and a control module. A first cavity and a second cavity which are independent from each other are formed in the shell body, and the blue sky module is arranged in the first cavity; the blue sky module comprises a mixed light source and a scattering light guide plate, the mixed light source faces the side face of the scattering light guide plate, the light-emitting face of the scattering light guide plate faces the first cavity, and the mixed light source is suitable for irradiating light of different colors to the scattering light guide plate. The lighting module is rotationally arranged in the second cavity, and the light path of the lighting module deviates from the first cavity. The control module is connected with the blue sky module and the illumination module. By adopting the method, the sky effects of multiple time periods can be presented according to the rhythm time efficiency, and the diversity and authenticity of the sky effect simulated by the rhythm sky lamp are improved.

The utility model discloses a crystal light-emitting interior trim part which comprises an interior trim outer plate, a light-transmitting membrane with patterns, a light uniformizing plate, a light gathering plate and a circuit board with lamp beads. The interior trim outer plate is of a light-transmitting structure, and a diamond cutting face structure is arranged on the surface or inside the interior trim outer plate. The interior outer plate, the light-transmitting membrane, the light uniformizing plate, the light gathering plate and the circuit board with the lamp beads are sequentially connected in a clamped mode from outside to inside, and the interior outer plate and the light gathering plate are welded in the lateral direction or the vertical direction to be reinforced and fixed. According to the utility model, the combination of the interior decoration type crystal effect decorating part and the atmosphere lamp realizes the crystal light effect. The effect of the interior atmosphere lamp is enriched, and besides the crystal effect of the surface, the texture of lamplight is also enriched through the application of the light-transmitting film.

The utility model provides a lamp which comprises a first lamp body and a second lamp body, the second lamp body and the first lamp body are coaxially arranged, the second lamp body can rotate around a shaft, and the interior of the first lamp body and the interior of the second lamp body jointly form a communicated inner cavity. The light source assembly is located in the inner cavity and fixed to the first lamp body, and the light source assembly comprises light-emitting pieces with more than two colors; and the focusing piece can rotate and is fixed to the second lamp body, and the second lamp body is configured to drive the focusing piece to rotate and move along the axis relative to the light source assembly when rotating relative to the first lamp body. The focusing piece moves in the common axial direction of the two lamp bodies, so that the distance between the second optical piece and the first optical piece is adjusted, and the focusing process is achieved. Moreover, by adopting a light source secondary light mixing mode, bad light spots in the primary light mixing process are reduced, the light emitting effect is improved, and meanwhile, angle adjustment of the illumination direction can be achieved in cooperation with the focusing process.

The invention provides a light generating system (1000) comprising a first light generating device (110), a second light generating device (120), a first diffuser (410), and a second diffuser (420); wherein: (A) the first light generating device (110) configured to generate first device light (111) having a first wavelength in the visible wavelength range; wherein the first light generating device (110) is configured upstream of the first diffuser (410) and upstream of the second diffuser (420); (B) the second light generating device (120) configured to generate second device light (121) having a second wavelength in the UV wavelength range; wherein the second light generating device (120) is configured downstream of the first diffuser (410) and upstream of the second diffuser (420); (C) the first diffuser (410) and the second diffuser (420) are (i) transmissive for the first device light (111) and (ii) diffusive for the first device light (111); (D) the second diffuser (420) is transmissive for the second device light (121); (E) the first diffuser (410) has a first UV reflection R21 for the second device light (121); the second diffuser (420) has a second UV reflection R22 for the second device light (121), wherein R21 is larger than R22; and (F) the light generating system (1000) is configured to generate system light (1001) comprising one or more of the first device light (111) and the second device light (121).

An optical device (201) comprises a center portion (203) and a reflector portion (204) surrounding the center portion and comprising a reflector surface (205) configured to provide total internal reflection. The center portion comprises a first lens section (206) and a second lens section (207) after the first lens section in a propagation direction of light. A projection of a light ingress surface (208) of the first lens section on a geometric plane (xy) perpendicular to a geometric line (z) through center of mass points of the first and second lens sections is smaller than a corresponding projection of a light ingress surface (210) of the second lens section on the geometric plane. As there are the two successive lens sections, a desired collimation effect can be achieved even if the lens sections are sufficiently thin from the viewpoint of manufacturing.

A portable illuminated sign is disclosed. The sign includes a sign portion, the sign portion comprising indicia, and an internal light source comprising one or more LEDs in edge-lighting relationship with a diffuser panel underlying a visible area of the indicia to be illuminated; and a handle affixed to the sign portion, the handle comprising a power source for the internal light source.

The present invention relates to a vehicle lamp, and more particularly, to a vehicle lamp capable of forming an optimal light beam pattern even when an optical system is provided in an inclined manner. A vehicle lamp according to an embodiment of the present invention may include: a light source unit; and an optical portion transmitting at least a portion of light incident from the light source portion and forming a predetermined beam pattern, in which the optical portion may include: an incident lens portion including a plurality of incident lenses; and an emission lens section including a plurality of emission lenses corresponding to each of the plurality of incidence lenses, in which each of the plurality of incidence lenses and the plurality of emission lenses may be arranged such that a plurality of lens rows formed to extend in a left-right direction are arranged in an up-down direction, each of the plurality of lens rows may be formed obliquely with respect to a horizontal line such that one side is located on the upper side than the other side.

A rearview mirror assembly that includes a housing and a printed circuit board (PCB) located in the housing. The rearview mirror assembly further includes a monitoring system that includes an image capturing module, an illumination source connected to the PCB, and an optical element aligned with the illumination source. The optical element is configured to redirect an illumination from the illumination source toward an occupant position in an automobile.

A modular construction system light matrix comprising a housing having side walls, an end wall and a front edge encircling a front opening of said housing. The light matrix has an array of light emitting elements. The light matrix has a compartment grid, arranged in said housing and having compartment grid walls extending towards said front opening of the housing, one compartment for each light emitting element. The light matrix has a light diffusing element arranged at said opening of the housing having a plurality of diffuser tiles, each diffuser tile covering a compartment of the compartment grid. The diffusing element comprises a diffuser grid providing a barrier between mutually facing sidewalls of the diffuser tiles. The diffuser grid is formed in a different material from the diffuser tiles. A lower side of the diffuser grid adapted to abut an upper side of the compartment grid.

A light-emitting device includes: a base member having an outer lateral surface, an upper surface meeting the outer lateral surface, and a recess on an upper surface side; a light-emitting element disposed in the recess; a lens disposed on the upper surface of the base member and including a lens portion and a flange portion; and a reflective member disposed in contact with the upper surface of the base member and a lateral surface of the flange portion.

A lamp for a vehicle including a lamp housing part configured to accommodate a light source, an outer lens part coupled to a first side of the lamp housing part, a vibration part fixed to the outer lens part, and a button part configured to be movable in a first direction toward the outer lens part and a second direction away from the outer lens part, the vibration part including a first module and a second module configured to face the first module, the first module including a first magnet, and the second module including a second magnet, a second magnet fixing portion, and a coil member provided at a second module side of the second magnet and accommodated in the second magnet fixing portion, and a first side of the button part being connected to one of the first module side or the second module side.

A vehicle lamp includes a plurality of lamp modules, and each of the plurality of lamp modules includes: a light source unit that includes at least one light source and generates light; an optical path adjustment unit that adjusts a path of the light emitted from the light source unit; and an optical unit that transmits at least some of the light emitted from the optical path adjustment unit to form a predetermined beam pattern. The optical unit is tilted in at least one direction such that a first side thereof is disposed further forward than a second side thereof.

The present embodiment relates to a light-emitting module comprising: a substrate; a light source which is arranged on the substrate and emits laser light; a holder arranged on the substrate; a diffuser lens arranged in the holder and over the light source; and a diffuser ring for supporting the diffuser lens, wherein the diffuser lens comprises a plurality of microlenses, and the holder comprises an opening formed above the diffuser lens and a stopping protrusion for inhibiting the diffuser lens from being separated through the opening.

A lens with microstructures comprises a first refraction area and a second refraction area, the first refraction area is provided with a first light-emitting surface, the second refraction area is provided with a second light-emitting surface, the first light-emitting surface and the second light-emitting surface adopt different structural designs, the first light-emitting surface is provided with a plurality of first microstructures, and the second light-emitting surface is provided with a plurality of second microstructures. The plurality of first microstructures are arranged in a matrix on the first light-emitting surface, each first microstructure is provided with a first micro-surface, and the first micro-surface is a plane, a concave surface or a convex surface with a curvature radius different from that of the first light-emitting surface. On the premise of ensuring that the light pattern has the obvious cut-off line, the light color of the first refraction area is fully mixed, the edge of the light pattern is more fuzzy, and the edge of the light pattern has no obvious yellow light, so that long-time driving is more comfortable, fatigue of long-distance driving is avoided, the obvious cut-off line can prevent the eyes of a driver of an opposite coming vehicle from being directly irradiated during normal driving, and the driving safety is improved. And driving at night is safer.

Projection device (10) for a motor vehicle headlight, wherein the projection device (10) comprises the following:a light entry micro-optics array (100), comprising micro entrance optics,a light emitting micro-optics array (200), comprising micro exit optics,a substrate layer (300), on which the at least one light entry micro-optics array (100) is arranged on a first side (310) of the substrate layer (300) and the at least one light emitting micro-optics array (200) is arranged on a second side (320), wherein respectively a micro entrance optic (110) and respectively precisely one associated micro exit optic (210) form a micro-optics pair (400), wherein the light entry surface (111) of the micro entrance optic (110) and the first side (310) form a first marginal edge (410a) in a common surface section line, and wherein the light emitting surface (211) of the micro exit optic (210) and the second side (320) form a second marginal edge (410b) in a common surface section line, wherein the substrate layer (300) is made of translucent glass, wherein between adjacent micro-optics pairs (400), an interference structure (500) is arranged by means of a laser processing method in order to prevent light rays injected into one micro-optics pair (400) from crossing into an adjacent micro-optics pair (400), wherein the interference structure (500) extends substantially from the first marginal edge (410a) to the second marginal edge (410b) for each micro-optics pair (400).

The invention provides an automatic illumination adjusting method and system based on seed and seedling cultivation, and relates to the technical field of illumination control and intelligent agriculture, the method comprises the following steps: firstly, collecting seedling chlorophyll fluorescence parameters to construct a light stress index, and accurately identifying a light inhibition risk; then calculating a physiologically permissible light intensity threshold adaptive to the dark response capability of the plant by combining the environment temperature and the CO2 concentration; positioning a shielded weak light area by using three-dimensional point cloud voxelization and a ray tracing technology, and calculating a shadow compensation gain coefficient; and finally, generating a control matrix in combination with a dynamic left-rotation light strategy, and driving an independent addressing LED array and a variable-angle lens to execute local precise light supplement and light vector adjustment. Through physiological feedback and spatial light field reconstruction, the problem that traditional illumination control neglects individual tolerance difference and canopy shielding is solved, photooxidation damage is effectively prevented, and the growth uniformity and the light energy utilization rate of seedling groups are remarkably improved.

The invention discloses an LED dimming system and method, and the system comprises a white light LED which is used for emitting a spectrum in a 400-650 nm wave band; at least three red light LEDs of blue light excitation fluorescent powder respectively emit red light with different central wavelengths, the central wavelength of the first red light LED is 660nm + / -2nm, the half-peak width is less than or equal to 15nm, and an I < n > GaA < l > P material vertical cavity surface emission structure is adopted; the central wavelength of the second red light LED is 730nm + / -3nm, the half-peak width is less than or equal to 20nm, and the second red light LED adopts an A < l > GaAs material quantum well structure; the center wavelength of the third red light LED is 780nm + / -5nm, the half-peak width is less than or equal to 25nm, and a GaAsP material gradient refractive index waveguide structure is adopted; the driving control module comprises three independent constant-current driving units which are used for respectively controlling the current and PWM duty ratio of each red light LED; the optical mixing module is composed of a two-stage integral rod and a micro lens array and is used for realizing uniform mixing of spectrums.

A lighting device for a dynamic securement on tactical equipment and corresponding methods are disclosed. The lighting device may include a housing with a channel defined by first and second opposed surfaces of the housing, where the channel is configured to receive a mounting member therein. The lighting device may further include one or more fasteners extending from the first surface and / or the second surface and configured to bias against the mounting member to secure the mounting member in the channel. Lighting device may further include an optical assembly secured to the housing and comprising a light source. Additional devices and methods are also provided.

To reduce the number of installed lighting devices that can achieve almost uniform illumination intensity in a wide range.SOLUTION: A lighting device includes a light source and a multi-lens plate. In the multi-lens plate, a plurality of lens parts are two-dimensionally arranged on a virtual light incident surface or a virtual light emission surface. The lens parts respectively include inclined planes surrounding the centers of the lens parts. In the steepest inclined plane of the inclined planes, the angle of the virtual light incident surface or the virtual light emission surface to a normal line is 35-60°. In the light emitted from the multi-lens plate, a maximum value of light intensity is obtained in an oblique direction from an optical axis direction in each cross section in an x-direction and a y-direction orthogonal to the optical axis direction.SELECTED DRAWING: Figure 3

The utility model relates to a multifunctional operation vehicle and a multifunctional garden vehicle. The multifunctional garden vehicle comprises a vehicle frame, a garden operation component and a front lamp assembly. The front lamp assembly comprises a light condensation part and a lighting lamp bead, and the light condensation part generates a light condensation effect on light of the lighting lamp bead so that the illuminance of the position 10 m in front of the vehicle can range from 10 lux to 60 lux. The light gathering part is arranged in the front lamp assembly to gather the light emitted by the illuminating lamp beads, so that the light of the illuminating lamp beads irradiates forwards in the form of parallel light or nearly parallel light, and the position 10 meters in front of a vehicle has illumination meeting operation requirements.

An electronic device includes a light sensing system and an at least partially translucent housing member positioned over at least the light sensing system. The housing member has an interior surface and an at least partially translucent exterior surface, wherein the interior surface includes multiple facets configured to direct light impinging on a translucent portion of the exterior surface toward the light sensing system. The facets are configured to create a prismatic effect, such as the effect produced by a Fresnel lens, that directs light toward the light sensing system. The light sensing system optionally includes a light sensor and / or a light guide. Where the electronic device is a lighting control device, the electronic device further includes a processor coupled to the light sensing system and operable to generate lighting control signals responsive to receipt of light sensing signals from the light sensing system.