3771results about "Refractors" patented technology

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.

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.

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.

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.

Apparatus, system, and method embodiments are disclosed for illuminating clothing, fashion accessories, and other items using diffusion and reflection of light from a light source. A fashion accessory can include a diffusion layer to provide a unique visual appearance from the light source based on the diffusion layer's manipulation of photon wavelength. The diffusion layer can reside under an exterior shell of the fashion accessory and diffuse light from the light source, providing a unique design aspect to the fashion accessory. The fashion accessory can further include a light refraction chamber to direct light in a visually appealing way, providing variations in quality and texture of the light that an observer sees. Additional layers of material over the exterior shell can provide additional variations in quality and texture of the observed light.

A lighting apparatus includes a plastic cover, a trumpet housing and a light source plate. The plastic cover has an edge portion, a light passing cover and a connection column. The trumpet housing has a widened section and a neck portion. A top end of the neck portion is coupled to a bottom end of the widened section. A diameter of the widened section increases through a tapered transition from the bottom end of the widened section to a top end of the widened section. A light source plate is mounted with a LED module on a front surface. The light source plate is fixed to an inner structure of trumpet housing. The connection column engages the front surface of the light source plate. The edge portion of the plastic engages the top end of the widen section of the trumpet housing.

The application discloses a bar lamp, which comprises a bar lamp holder, a center line of a vertical irradiation surface is arranged in a plane vertical to the length direction of the bar lamp holder, two light source mounting seats are arranged on the bar lamp holder and are oppositely arranged and located on two sides of the center line, two rows of light sources are arranged on the two light source mounting seats respectively, the light emission directions of the two rows of light sources are all towards the irradiation surface, and the two light axes intersect at the center line or in the vicinity of the center line, two lenses are arranged on one light source mounting seat and are located in the light emission direction of the corresponding light source, and each lens comprises a light inlet surface and a light outlet surface, the light source mounting seat on the opposite side of the light source is shielded to reduce glare, the setting of the light shield cover is reduced on one hand to improve the light emission efficiency, and better anti-glare effect is achieved on the other hand.

A lighting apparatus includes a driver housing, and first and second light wings each coupled to two sides of the driver housing. Each light wing includes a lens plate, an LED module for emitting light through the lens plate and out a light opening, a lens entrance for receiving the lens into the light wing, and a lens cover for concealing the lens entrance. The first and second light wings are adjustable with respect to the driver housing.

A vehicle lamp includes at least one light source; and at least one optical member disposed in front of the light source to allow light emitted from the light source to be irradiated therethrough in a forward direction to form a beam pattern. The optical member includes a plurality of facets arranged in a predetermined direction to constitute a light emission surface of the optical member, and the light is emitted from the light emission surface in the forward direction. A center line vertically extends in a perpendicular manner to an optical axis of the optical member. Positions of facets belonging to at least one of both opposing areas with respect to the center line among the plurality of facets shift rearward as they go away from the center line to a side, such that a step formed between adjacent facets is directed rearward.

A light diffusion plate suitable for a display device comprises a first transparent layer and a diffusion layer, the diffusion layer comprises a plurality of first diffusion particles dispersed therein, the diffusion layer is located above the first transparent layer, the first transparent layer is arranged between a light-emitting element of the display device and the diffusion layer, and the refractive index of the first transparent layer is larger than that of the diffusion layer. The invention also provides a display device and a backlight module of a head-up display device.

A lens cover includes a main body and a parylene coating. The main body includes a base substrate and a plurality of optical lens elements. The base substrate is substantially planar and defines an outer perimeter. The plurality of optical lens elements is that extend from the base substrate and cooperates with the base substrate to provide an exterior surface and an interior surface of the lens cover. Each optical lens element of the plurality of optical lens elements are configured for alignment with a light emitting diode. The parylene coating is provided over the exterior surface and the interior surface. The plurality of optical lens elements protrude from the base substrate at the exterior surface. The lens cover is formed as a unitary one-piece construction such that the exterior surface extends continuously between the base substrate and each optical lens element to form a fluid impervious barrier therebetween.

The utility model discloses an alloy buckle type screw-free UFO mining lamp, and relates to the technical field of mining lamps, the alloy buckle type screw-free UFO mining lamp comprises a shell and a lighting mounting mechanism, and the lighting mounting mechanism is arranged on the inner side of the shell; through the arrangement of the illumination mounting mechanism, the lens disc and the shell are fixedly clamped through a fixing buckle, the mounting convenience of the lens disc is improved, meanwhile, a pressing buckle spring is deformed during buckling, and when the stroke reaches the maximum deformation stress point, the pressing buckle spring can provide an inward recovery force, so that the lens disc is prevented from being damaged. The light emitted by the lamp panel is subjected to angle refraction through the optical light guide groove, the irradiation angle of the lamp panel is changed, and when the angle of the UFO mining lamp needs to be changed, only the fixing buckle needs to be opened to rotate the angle of the lens disc, and then the UFO mining lamp can be installed through the fixing buckle and the lens disc. And different angles of the UFO mining lamp can be adjusted by fixing the lamp holder, so that the use convenience of the UFO mining lamp is improved.

The invention discloses an illumination device, an illumination adjusting method and wafer detection equipment. The device comprises an illumination light source, an illumination adjusting device and a wafer detection device, wherein the illumination light source comprises a light-emitting surface for exporting illumination light to the outside; the light-emitting surface adjusting part is used for adjusting the position of the light-emitting surface; the objective lens group comprises a plurality of objective lenses which are different in multiplying power and can be mutually switched, calibration data are pre-stored in the controller and comprise pupil plane size information, pupil plane position information and light-emitting surface position information of the objective lenses different in multiplying power, and the controller is used for adjusting the position of the light-emitting surface by the light-emitting surface adjusting part according to the multiplying power information of the objective lenses and the calibration data. According to the invention, rapid and automatic matching between the illumination system and pupil planes of objective lenses with different multiplying powers is realized, and uneven illumination and stray light caused by mismatching of the pupil planes are effectively eliminated.

The present application relates to a kind of multi-angle annular uniform illumination device and design method, device includes camera, imaging lens, displacement mechanism, motor, annular light source mounting base, angle adjusting mechanism, LED light source mounting base, dimming LED light source.Design method includes: according to actual application scene, determine the key parameters such as working distance and illumination area of light source;According to the preset result parameter, calculate the non-spherical plane-convex dimming lens generatrix, construct three-dimensional dimming lens;Dimming lens and LED are combined as dimming LED light source;Several dimming LED light sources are arranged at the same azimuth on annular light source mounting base, and the illumination of the center-symmetric dimming LED light source is superimposed and compensated to form annular uniform illumination light source;Increase displacement mechanism, angle adjusting mechanism to realize the working distance adjustable multi-angle adjustable annular light source.The present application has the advantages of small light source divergence angle, high illumination uniformity and strong adaptability to detection elements, which can reduce the interference of strong light in defect detection.

The spreadlight lens of the court lamp comprises a lens substrate applied to a lamp, a plurality of lenses are arranged on the lens substrate in a protruding mode, the two ends of each lens are the incident end and the emergent end respectively, and the emergent end is divided into a first light-transmitting body and a second light-transmitting body from top to bottom. Wherein the back face of the first light-transmitting body sinks inwards to form a light inlet cavity used for containing a light source, a reflecting groove is formed in the back face of the first light-transmitting body, a reflecting face is arranged on the side wall, close to the light inlet cavity, of the reflecting groove, and the reflecting face is used for reflecting light rays projected to the reflecting face through the light inlet cavity. The convex light-transmitting bodies are arranged on the lens, light rays emitted by a light source can enter the convex light-transmitting bodies to be refracted and diffused to be more uniform, meanwhile, the reflecting surfaces are arranged in the convex light-transmitting bodies, total reflection of the light rays entering the light-transmitting bodies can be achieved, light waste is reduced, and glare is reduced.

A light fixture is provided, comprising a light fixture housing with a housing sidewall extending circumferentially around a movable lens. The light fixture housing forms an inner space that includes at least one light source for emitting light through the movable lens. The movable lens is arranged on a light output side of the light fixture housing and is movable along the housing sidewall relative to the at least one light source. A sealing element is positioned between the housing sidewall and the movable lens, in order to seal the inner space from the exterior environment outside the light fixture. The movable lens defines a cavity in the housing on the light output side. This cavity is at least partially bounded by the movable lens and the sealing element on its inner side, while remaining open to the exterior on the light output side.

A device includes a LED die having a peak emission at a blue or shorter wavelength, a LED die having a peak emission at a red, orange, yellow, green, or cyan wavelength, and a homogenous light conversion material positioned to receive light emitted from the LED dies. The light conversion material including: (i) a first phosphor compound having a peak emission at a green wavelength; (ii) a second phosphor compound having a peak emission at an orange wavelength; and (iii) a third phosphor compound having a peak emission at a red, orange, yellow, green, or cyan wavelength. The device is a packaged LED device and a relative concentration of the phosphor compounds and a relative luminosity of the LED dies are selected so the device emits white light satisfying a preference P1 and a fidelity F3 according to a TM-30 standard for color rendering.

The utility model discloses a Baullouin mirror lamp panel with replaceable display in the field of lighting lamps, which comprises a partition plate arranged in a hollow frame, the interior of the frame is divided into an upper groove body and a lower groove body, the top of the upper groove body is detachably provided with a semitransparent mirror, the bottom of the upper groove body is provided with a single-sided mirror, and the single-sided mirror is separated from the semitransparent mirror through a hollow gasket. The inner side of the gasket is provided with a light guide plate which is detachably installed, decorative patterns are printed on the light guide plate, the bottom of the light guide plate is provided with protruding insertion rods used for being inserted into the single-face mirror for fixation, the face, close to the light guide plate, of the single-face mirror is provided with insertion grooves corresponding to the insertion rods in number and position, and the inner wall of the gasket is provided with an LED lamp strip used for projecting light rays to the light guide plate. The light guide plate is mounted and fixed in the upper groove body in a detachable connection manner, and decorative patterns are printed on the light guide plate, so that a user can flexibly replace the light guide plate with different decorative patterns according to different use environments, and finally, different pattern visual effects are displayed in the deep llouin mirror lamp panel.

A solar wall lamp comprises a lamp bottom shell, a photovoltaic panel, a photovoltaic base and a lamp single lens, the lamp bottom shell and the lamp single lens are connected together in a clamped mode, the photovoltaic panel is arranged on the photovoltaic base plate, two battery bins are arranged on the back face of the lamp bottom shell, a detachable battery cover is arranged on each battery bin, and the lamp single lens is arranged on the photovoltaic base plate. Two circles of vertical walls are annularly arranged on the peripheral edge of the side, opposite to the battery cover, of the battery bin, a circle of containing groove is formed between the two vertical walls, the side wall of the battery cover is buckled to the vertical wall on the outer side, a circle of vertical wall arranged in the containing groove is annularly arranged in the battery cover, and a circle of first waterproof sealing ring is arranged between the side wall of the battery cover and the fixing wall. A circle of waterproof groove is annularly formed in the peripheral edge of the side, opposite to the lamp single lens, of the lamp base, a circle of second waterproof sealing ring is arranged in the waterproof groove, the side wall of the lamp single lens is buckled in the waterproof groove, the four corners of the frame of the photovoltaic base are each provided with a buckling position used for fixing a photovoltaic panel, and the photovoltaic lamp is convenient to disassemble and maintain.

The present disclosure generally relates to lighting modules, and more specifically, to a configurable linear lighting module for use within a suspended ceiling grid assembly. The configurable linear lighting module is easy to install and comprises a novel linear support element with internal and external support features which is provided with integrated or removable optical assemblies to deliver lighting distributions tailored to optimally illuminate the surface ceiling panels as well as floors, walls and work surfaces below. When installed within a configured ceiling grid assembly the configurable linear lighting module provides novel support features for ceiling panels to be held in-line, above, below or tilted relative to the existing ceiling grid plane. A wide range of useful lighting distributions are achieved by configuring the optical elements and LED light sources supported and aligned by the linear support element. By selectively applying electrical power to individual light source channels it is further possible to electrically control lighting distributions. As such the configurable linear lighting module provides both aesthetically pleasing features and useful lighting distributions. Furthermore, illustrated embodiments of ceiling grid assemblies comprising one or more of the configurable linear lighting modules demonstrate how both appearance and lighting distributions can be controlled to meet aesthetic and lighting design requirements.

The utility model belongs to the technical field of lamps, solves the problem that the glare phenomenon of an LED lamp strip in the prior art causes different degrees of damage to vision, and provides an anti-glare polarized light optical lamp strip and a lighting device. Comprising a dimming part, a light source, a shell and an anti-dazzle layer, the dimming part and the anti-dazzle layer are sequentially installed in an inner cavity of the shell in the height direction of the shell, the light source is installed in the dimming part, the anti-dazzle layer is located on the light emitting direction side of the dimming part, and the dimming part is fixed in the shell in an abutting and clamping mode. And the edge of the anti-dazzle layer is matched with the second clamping part, so that the anti-dazzle layer is clamped in the shell. According to the utility model, the anti-dazzle layer is arranged in the light emitting direction of the lamp strip shell, so that the dazzle influence of a light source on the environment is weakened; meanwhile, the dimming piece is directly arranged between the anti-dazzle layer and the light source, the light source is subjected to secondary optical adjustment by combining the small angle of the light source with the light transmitting piece in a specific shape, various small-angle polarization control is achieved, and the small angle of the light source is achieved.

The present disclosure relates to the technical field of lighting fixtures, specifically a solar-powered waterproof decorative lamp, comprising: a lower shell; an upper shell, joined with the lower shell; a sealing ring, arranged between the lower shell and the upper shell for sealing the lower shell and the upper shell; an electronic assembly, arranged between the lower shell and the upper shell for providing a light source and power supply for the decorative lamp; and a photovoltaic power generation assembly, installed on top of the upper shell for providing solar charging to the electronic assembly.

A light source device includes: a plurality of light emitting parts, each having an upper surface that includes a light emitting surface; an optical lens located above the light emitting surfaces of the light emitting parts, the optical lens having: a first surface including a first incident region, and a second surface including a second incident region; and a light converging member located between the light emitting parts and the optical lens, the light converging member including: a light entering portion, corresponding to a first of the plurality of light emitting parts and covering the light emitting surface of the first light emitting part, and a light emission portion, corresponding to the light entering portion. The light converging member includes a first light-reflective member and a unit light converging portion having the light entering portion and the light emission portion.

A recessed LED downlight with surface mount installation on a junction box may comprise a light housing, a light engine housing, and a trim plate. The light housing may be a hat shape and comprise a brim portion and a hat body portion. The light engine housing may be installed inside the hat body portion. The brim portion may include fitting holes that are sized to receive one or more fixing members for connection with the junction box. The trim plate may be installed to the light housing in a removable manner, and the trim plate may cover the brim portion to shield the fitting holes.

The utility model discloses a flexible blocking comprehensive management and control system, which comprises two equipment main bodies, the two equipment main bodies are symmetrically arranged on the two sides of a road respectively, and the two equipment main bodies are provided with warning units which are matched for use and are used for providing multidirectional video monitoring, flashing light, light curtain wall and sound multidimensional warning. The flexible blocking system solves the problems that an existing flexible blocking system is single and cannot comprehensively monitor road surface conditions and grasp road condition information, the device bodies are arranged on the two sides of a road respectively for warning, the flexible blocking system can adapt to accident roads of various widths, the two device bodies guarantee warning signal coverage of the left side range and the right side range respectively, and the warning effect is good. Therefore, road surface conditions can be monitored comprehensively and road surface information can be mastered. And through multi-dimensional stimulation factors such as multi-directional video monitoring, a flashing lamp, a light curtain wall and a sound lamp, emergency risk avoiding safety induction is accurately provided for a driver and passengers.