159 results about "Lens plate" patented technology

A lighting apparatus includes an Edison cap, a light housing, a light source plate and a lens module. The light housing includes a back cover. The Edison cap is attached to the back cover. Multiple LED module are mounted on the light source plate. A lens module is disposed above the light source plate. The lens plate includes multiple lens unit corresponding to the multiple LED modules on the light source plate.

A multi-aperture lens plate of a multi-beam generator for a charged particle multi-beam apparatus is described. The multi-aperture lens plate includes an aperture lens plate body, the aperture lens plate body comprising: an array of N beamlet openings, the array of N beamlet openings having beamlet openings, the array of N beamlet openings configured to generate N primary charged particle beamlets, wherein N is a number >=2; and a plurality of correction openings through the aperture lens plate body configured to locally influence a lens field of the beamlet openings, wherein the correction openings are different than the beamlet openings.

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.

To provide a light emitting device that enables observation of an object through an observation hole, capable of efficiently guiding light emitted from a light source to an observation axis and capable of being manufactured at low cost. [Solution] A light emitting device comprising: a housing having an observation hole penetrating in the thickness direction; a substrate arranged around the observation hole; a plurality of light sources mounted in a row on the substrate; and a lens plate having a plurality of lens portions arranged in a row in front of each of the plurality of light sources, wherein, when viewed from the direction in which the plurality of lens portions are arranged, the light incident surface of each of the lens portions provided on the surface of the lens plate has an inclined surface formed thereon that is inclined so as to direct the incident light toward the axis of the observation hole, and the inclined surfaces of the lens portions adjacent to each other in the direction in which the plurality of lens portions are arranged are continuously connected.

The utility model discloses an LED explosion-proof lamp which comprises a lamp body and a fixing piece, the lamp body is positioned and installed through the fixing piece, and the fixing piece comprises a surface-mounted hanging box wall fixing piece and a surface-mounted hanging box lamp fixing piece. The lamp body is composed of a rear cover, a power drive, a radiator, a light source plate, a lens plate and a glass panel. A plurality of lenses are formed on the lens plate to be correspondingly matched with the lamp beads on the light source plate; the lenses on the lens plate are convex lenses with the optical angle of 60 degrees; and an explosion-proof layer is arranged on the inner side of the radiator. On the basis of the explosion-proof layer, the sealing groove, remarkable heat dissipation, rust prevention and durability, a lens plate which is not concentrated enough in light and is prone to causing dazzling of people is improved, and the convex lenses on the lens plate are all designed into convex lenses with the optical angle being 60 degrees, so that the lighting effect of more condensation is achieved. A user has a better lighting effect, and meanwhile, the problem of dazzling of human eyes caused by insufficient concentration of light rays is not easy to occur.

The utility model discloses a lighting structure capable of controlling output of different light patterns, the lighting structure comprises a light-emitting assembly, a lens plate and a controller, the light-emitting assembly comprises one or more lamp bead groups, each lamp bead group comprises at least two and even number of lamp beads, and the lamp beads are arranged in a linear symmetry mode. A plurality of lens convex hulls of a single light type are formed on the side, opposite to the light-emitting assembly, of the lens plate, and the lens convex hulls and the lamp bead sets are arranged correspondingly. Furthermore, the same lens convex hull is covered with a plurality of lamp beads which are arranged in a linear symmetry mode, light emitted by each lamp bead has different lighting effects after penetrating through the lens convex hull, and then different types of light types can be output by controlling current of different lamp beads under the same lens convex hull through a controller. Thus, by optimizing the corresponding relation between the lamp beads and the lens convex hulls, the lighting device with the small size can achieve the lighting effect of the same light-emitting power of a device with the large size, the size requirement of the lighting device is reduced, and the manufacturing and transportation cost is reduced.

A lens plate has an array of convex lenses each having a top portion which forms a light input surface for facing a light source and a base which forms a light exit surface. Each convex lens has a height H and a diameter D at the base, wherein H / D>0.85. The lens plate for example has a height from the base of the convex lenses to the top portions in the range 1.5 mm to 5 mm.

The plant growth lamp comprises a radiator, a driving power source, an LED lamp panel and a lens board, the driving power source is used for driving the LED lamp panel, the LED lamp panel is covered with the lens board, the radiator comprises a power source installation part and a light source installation part, the driving power source is installed on the power source installation part, and the lens board is installed on the light source installation part. And the LED lamp panel is rotatably mounted on the light mounting part. The first LED lamp panel and the second LED lamp panel of the LED lamp panels are driven through the rotating mechanism, so that one end of the first LED lamp panel and one end of the second LED lamp panel can slide in the vertical direction, the distance between the LED lamp panels and the lens plate is flexibly adjusted, and accurate control over the irradiation angle is achieved.

The utility model relates to the technical field of illumination, in particular to a low-temperature-resistant storage and control integrated street lamp holder which comprises a shell, a lamp panel arranged on the lower surface of the shell, lamp beads arranged on the lamp panel, a charging and discharging circuit arranged on one side of the lamp panel, a layer of waterproof glue covered on the charging and discharging circuit, and a conjoined lens board arranged on the lower surface of the shell. Lenses on the conjoined lens plate correspond to the lamp beads in position, a sodium ion battery pack is arranged in the shell, the charging and discharging circuit is electrically connected with the sodium ion battery pack and the lamp beads, foaming heat preservation cotton wraps the sodium ion battery pack, and a thermal shrinkage film wraps the foaming heat preservation cotton. According to the utility model, short circuit can be avoided, heat preservation can be carried out on the sodium ion battery pack, the charge-discharge retention rate of the sodium ion battery pack is improved to more than 90%, the lighting time is prolonged, the illumination brightness is improved, water or steam can be prevented from entering between the lower cover and the plate of the conjoined lens, and the probability of short circuit is reduced; and the battery pack is always kept in a charging and discharging state under the conditions of unsaturated sunlight and inconvenient power supply in rural areas.

This utility model relates to the field of Linear Highbay lighting technology, and in particular to an optical angle adjustment device for a Linear Highbay lighting fixture. The device includes a housing with a wiring door, a power supply located at the bottom of the housing, a switch module on one side of the housing, a wiring compartment cover below the power supply with a PIR connector embedded in the cover, light source assemblies symmetrically arranged on both sides of the cover, and an angle adjustment assembly at the top of the housing. The light source assembly includes a light source plate and a lens plate. Multiple sets of LEDs are arranged at equal intervals at the bottom of the light source plate, and multiple sets of first and second optical packages are arranged at the bottom of the lens plate. These first and second optical packages are arranged alternately. In this utility model, the user can precisely adjust the illumination direction of the lamp according to the actual scene (such as shelf height, work area layout, etc.) to ensure that the light accurately covers the target area and avoids insufficient or excessive lighting.

The utility model discloses an inflatable soft light accessory for a film and television lamp. The inflatable soft light accessory comprises a supporting shell, a connector, a lens board and an airtight light-transmitting piece. The supporting shell is provided with a cavity with openings in the front end and the rear end. The interface is fixed on the rear side of the supporting shell and is communicated with the opening at the rear end of the cavity; the lens plate is arranged in the opening in the front end of the cavity in a covering mode. The airtight light-transmitting piece is fixed to the front side of the supporting shell and covers the opening in the front end of the cavity in a sealed mode, and the airtight light-transmitting piece is located on the front side of the lens plate and covers the lens plate. According to the inflatable soft light box / ball / barrel, the airtight light-transmitting part is arranged, so that the inflatable soft light box / ball / barrel can be in direct hard connection with the film and television lamp, a standard cover cannot be used, and meanwhile, the lens plate is arranged in a matched mode, so that light generated by the film and television lamp can enter the inflatable soft light box / ball / barrel after being processed by the airtight light-transmitting part and the lens plate, and the inflatable soft light box / ball / barrel can be better filled with the light; and meanwhile, the interface can be replaced, so that convenience is brought to use.

The present invention discloses a method and equipment for producing a light-emitting device. The method for producing a light-emitting device includes the following steps: 1. Placing a light-emitting board on a base. 2. Placing a lens board on the base so that the lens board is aligned with the interference fit area on the base. 3. Applying extrusion force to the lens board so that an interference fit is formed between the lens board and the base. The present invention completes the fully automatic connection between the lens board and the base by pressing to form an interference fit; on the one hand, this method can save the material and labor costs of the traditional screw connection method, and on the other hand, it can make the lens board cling to and squeeze the light-emitting board under the action of the friction force generated by the interference fit, while improving the light distribution effect of the lens board and the fit between the light-emitting board and the base. In addition, the present invention achieves a double sealing effect by filling sealant at the plug-in position of the lens board and the base, and filling sealant in the sealing groove formed between the lens board and the base.

The invention discloses an LED lamp which comprises a shell and a driving power supply, the shell comprises a base and a surface cover which are mutually covered, the LED lamp is characterized in that the driving power supply is installed on the base and used for driving an LED lamp panel, the surface cover is provided with the LED lamp panel, a lens plate is arranged in the light-emitting surface direction of the LED lamp panel in a covering mode, and the lens plate is arranged on the surface cover in a covering mode. And an air channel is formed between the LED lamp panel and the bottom plate of the surface cover. According to the LED lamp, the air channel is formed between the LED lamp panel and the bottom plate of the surface cover, the heat dissipation holes are further formed in the side wall of the surface cover, when the LED lamp is used for a long time, a large amount of heat is generated through the air channel, hot air can be discharged through the heat dissipation holes, the lamp is not prone to damage, and practicability is high.

The invention provides a medical lighting system with a regulation and control function, and relates to the field of medical lighting. A hoisting cylinder is fixedly arranged at the bottom of the mounting seat, and an adjusting column is movably arranged in the hoisting cylinder; a first angle adjusting assembly is fixedly arranged at the bottom end of the adjusting column, and a second angle adjusting assembly is fixedly arranged at the bottom of the first angle adjusting assembly. A lighting unit is fixedly arranged at the bottom of the second angle adjusting assembly, and an adjusting and controlling assembly is fixedly arranged on the outer side of the lighting unit. Energy-saving units are fixedly arranged on the two sides of the lighting unit, a control structure is fixedly arranged on the outer side of the lighting unit, and bacteria and viruses attached to the surface of the lens plate can be decomposed and killed through the lighting unit and the energy-saving units; meanwhile, the power generation plate can be used for generating power, the energy-saving effect is improved, and the problems that disinfection is difficult, and a hotbed for bacterium breeding is likely to be formed are solved.

A charged particle beam apparatus for irradiating or inspecting a sample is described. A charged particle beam apparatus includes a charged particle beam source for generating a primary charged particle beam and a multi-aperture lens plate having a plurality of apertures for forming four or more primary apertures. Two or more electrodes (e.g., each electrode having an opening) are provided with one opening for a primary charged particle beam or four or more primary sub-beams. The charged particle beam apparatus further comprises a collimator for deflecting a first primary beamlet, a second primary beamlet, a third primary beamlet, and a fourth primary beamlet of the four or more primary beamlets relative to each other. The charged particle beam apparatus further comprises an objective unit having three or more electrodes, each electrode having an opening for four or more primary beamlets. The charged particle beam apparatus further includes a platform for supporting the sample.

To provide a lighting module and a lighting device that irradiate one or more stereoscopic images.SOLUTION: A lighting device 101 includes: a substrate 11; a plurality of light sources 21, 22 disposed on the substrate; a resin layer 31 covering the light source on the substrate; a light blocking layer 51 having an opening portion 53 on the resin layer; and a lens plate 70 disposed on the light blocking layer. The lens plate includes a light transmitting portion 72, and a convex portion 71 arranged on one surface or the other surface of the light transmitting portion. The total area of the opening portions is 50% or less of the area of an emission surface through which light is emitted through the resin layer. The interval between the lens plate and the light blocking layer may be greater than the length of the opening portion.SELECTED DRAWING: Figure 2

This product is a lens plate for optical connectors used when optically connecting optical transmission paths such as optical fibers. Near the center of the front view of this product, multiple lenses are provided to expand or focus the beam from the optical transmission path to the mating connector that optically connects this product to. When in use, it is joined to a connector through which an optical fiber cable is inserted. An example of this state is shown in the "Reference diagram showing the state of use."

The lens plate has an array of convex lenses, each having a top forming a light input surface for facing the light source and a base forming a light output surface. Each convex lens has a height H and a diameter D at the base, where H / D>0.85. The lens plate has a height from base to apex of the convex lens that is, for example, in the range of 1.5 mm to 5 mm.

Systems and methods of reducing the Coulomb interaction effects in a charged particle beam apparatus are disclosed. The charged particle beam apparatus may comprise a charged particle source and a source conversion unit comprising an aperture-lens forming electrode plate configured to be at a first voltage, an aperture lens plate configured to be at a second voltage that is different from the first voltage for generating a first electric field, which enables the aperture-lens forming electrode plate and the aperture lens plate to form aperture lenses of an aperture lens array to respectively focus a plurality of beamlets of the charged particle beam, and an imaging lens configured to focus the plurality of beamlets on an image plane. The charged particle beam apparatus may comprise an objective lens configured to focus the plurality of beamlets onto a surface of the sample and form a plurality of probe spots thereon.

The utility model belongs to the technical field of chemical production, and particularly relates to a pair of chemical goggles which comprises a goggle frame, one end of the goggle frame is detachably connected with a butt-joint frame, and the inner wall of the goggle frame is fixedly connected with an inner clamping plate corresponding to the butt-joint frame. A lens plate is connected between the butt-joint frame and the inner clamping plate in a clamped mode, a sealing plate is fixedly connected to the connecting position of the butt-joint frame and the goggle frame, and an inner cavity of the storage box communicates with the blocking groove through the connecting pipe. A lens plate is clamped through a butt-joint frame and an inner clamping plate, the lens plate is wrapped by a sealing plate, the front end of the goggle frame is protected, a blocking groove formed in the inner wall of the butt-joint frame can block chemical liquid when the liquid on the lens plate flows downwards, and the flowing chemical liquid is discharged into a storage box through a connecting pipe; and when the lens plate blocks the chemical liquid, the chemical liquid can be prevented from generating secondary influence on a wearer.

The invention relates to a demonstration device of a microlens array, and belongs to an optical science popularization education instrument. According to the technical scheme, the demonstration device of the micro-lens array comprises a base, a rotating structure assembly, a lifting structure assembly, a micro-lens board and a miniature drawing board. An audience rotates the rotary structure assembly, and the micro lens board and the micro drawing board have similar periodic structures and are overlapped to form a Moire pattern. Therefore, the Moire magnification effect can be generated only by controlling the angle between the micro image-text board and the micro image-text board, and the micro image-text on the micro image-text board can be magnified and shrunk. The distance between the micro lens plate and the miniature drawing board is changed through the lifting structure assembly, the micro lens plate is composed of a tiny single lens, and according to the imaging principle of the single lens, when the object distance is smaller than the focal length, an upright and magnified virtual image is formed; when the object distance is between the double focal length and the double focal length, an inverted magnified real image is formed. According to the device, audiences can visually know the micro-lens imaging principle and the scientific principle and composition structure of the optical anti-counterfeiting technology, interactivity and interestingness are increased, and the situation that science and technology exhibition halls are lack of such demonstration devices is made up.

The novel LED wall lamp structure comprises a shell and a support, a power supply battery is fixed to the support, a lens structure is arranged at an opening of the shell, a through strip-shaped groove is formed in the edge of the support, a plurality of light source plates are arranged on the support, and first lamp beads are arranged on the light source plates. The lens structure comprises a lens plate, a concave cavity is formed in the side face of the lens plate, a rack groove is formed in the side wall of an inner cavity of the concave cavity, a pyramid refraction groove is formed in the top wall of the inner cavity of the concave cavity, and a crystal irradiation area is arranged on the side face of the lens plate. Light rays of the first lamp beads irradiate outwards from the crystal irradiation area after being refracted by the pyramid refraction grooves for multiple times and reflected and mixed by the rack grooves. The LED lamp is reasonable in structural arrangement, light rays of the first lamp beads on the light source plate can be repeatedly refracted in the pyramid refraction grooves when irradiated, and the light rays on the edges can be reflected and refracted through the tooth-shaped grooves, so that the light rays can be mixed more uniformly, irradiation dark areas can be reduced, and the LED lamp is attractive in overall appearance.

The utility model discloses a portable flashlight which comprises a shell, a light source plate and a rear cover. A battery bracket is arranged in the shell, and a battery body is arranged in the battery bracket; the light source plate is arranged in the battery support, and lamp beads are arranged on the surface of the light source plate at equal intervals. The light source at the top of the light source plate and the lamp beads on the surface of the light source plate are controlled by the switch to emit light, the flashlight can be used as a flashlight or a lighting side lamp, and the practicability is high; the elastic buckles on the surface of the lens plate penetrate through the empty grooves to be clamped into the buckle grooves in the battery support, so that the lens plate can be installed on the surface of the shell, and the light source plate and the lamp beads in the battery support are protected. An external USB charger penetrates through the USB charging port in the surface of the rear cover, so that current in the USB charger is transmitted to the interior of the battery body through the power line, and the battery body in the flashlight is always in an electrified state.

The utility model discloses an adjustable LED projection lamp which comprises a lamp shell, a light source plate arranged on the front end face, a light-emitting device arranged on the light source plate, a lens plate arranged outside the light source plate, and a lens arranged on the lens plate and corresponding to the light-emitting device. The inner end face gear is arranged on the side face of the lamp shell; the outer end face gear is meshed with the outer side of the inner end face gear; the end part of the mounting bracket is inserted into the mounting groove of the outer end face gear, and the outer end face gear, the mounting bracket, the inner end face gear and the lamp shell are detachably connected through bolts; and the control box comprises a front cover and a rear cover and is internally provided with a power supply controller. According to the utility model, the angle orientation and the projection distance of the lamp can be quickly and accurately adjusted and matched, and the lamp can be firmly positioned, so that the illumination requirements of different places, different heights and different distances of users can be met, and the performance of the lamp is stable by matching air convection with heat conduction fins for heat conduction and radiating in a radiation manner.

The utility model discloses an injection molding waterproof multicolor LED module of an optical lens, and belongs to the technical field of LED modules, the injection molding waterproof multicolor LED module of the optical lens comprises a lamp housing, a lighting assembly and a protective frame, the upper surface of the lamp housing is provided with two groups of clamping grooves, the bottom surface of the protective frame is fixedly connected with two groups of clamping blocks, the upper surface of the lamp housing is fixedly connected with a first sealing gasket, and the upper surface of the lamp housing is fixedly connected with a second sealing gasket. A second sealing gasket is fixedly connected to the bottom face of the protection frame, an optical lens plate is fixedly connected to the inner wall of the protection frame, two sets of limiting grooves are formed in the upper surface of the lamp shell, and through cooperation of clamping grooves, the limiting grooves, the protection frame, optical lenses, clamping blocks, limiting blocks, mounting holes, mounting screws and limiting holes, the optical lenses can be mounted on the lamp shell. According to the invention, the equipment is convenient to disassemble and assemble by a worker, the stability of the equipment can be greatly improved, and the arrangement of a first sealing gasket, a second sealing gasket and a heat dissipation plate not only enables the sealing effect of the equipment to be better, but also enables the equipment to dissipate heat, so that the service life of the equipment is greatly prolonged.

The utility model relates to a head lamp device, in particular to a head lamp irradiation angle adjusting structure which comprises a shell, a lamp panel detachably installed in the shell, five sets of LED lamps fixedly installed on the surface of the lamp panel and a knob, a magnet is fixedly installed in the knob and can rotate, and the magnetic pole of the magnet is changed by rotating the magnet. The circuit board is fixedly installed in the shell, the surface of the circuit board is electrically connected with a sensor, one end of the sensor is attached to one end of the magnet, the sensor controls the corresponding LED lamp to be turned on by recognizing the magnetic pole direction of the magnet, and when the magnet rotates, the sensor senses the magnetic pole direction change of the magnet, and different LED lamps are switched to be turned on; five sets of lens units are fixedly installed in the lens plate, the five sets of LED lamps are fixedly connected into the corresponding five sets of lens units, the lens units corresponding to the LED lamps are different, and light of the LED lamps is refracted to different directions.

A charged particle beam device for irradiating or inspecting a specimen is described. The charged particle beam device includes a charged particle beam source for generating a primary charged particle beam and a multi-aperture lens plate having a plurality of apertures for forming four or more primary. Two or more electrodes having one opening, e.g. having one opening each, for the primary charged particle beam or the four or more primary beamlets are provided. The charged particle beam device further includes a collimator for deflecting a first primary beamlet, a second primary beamlet, a third primary beamlet, and a fourth primary beamlet of the four or more primary beamlets with respect to each other. The charged particle beam device further includes an objective lens unit having three or more electrodes, each electrode having openings for the four or more primary beamlets.

The utility model provides a lamp capable of adjusting a beam angle, which belongs to the technical field of lamps, the lamp capable of adjusting the beam angle comprises a main body, a rotating rod, a lens plate, a light source plate and a light-transmitting plate, the rotating rod is rotatably connected to the main body, and one end of the rotating rod extends out of the main body; the lens plate is in transmission fit with the rotating rod; the light source plate is fixedly connected to the body and located on the rear side of the lens plate. The light-transmitting plate is fixedly connected to the body and located on the front side of the lens plate. The rotating rod rotates to drive the lens plate to move in the direction perpendicular to the axial direction of the rotating rod so as to adjust the overlap ratio of the spherical part on the lens plate and the lamp beads on the light source plate. The lamp capable of adjusting the beam angle is convenient to use, a user can rotate the rotating rod at any time to adjust the lens plate in the using process, various using scenes are met, and user experience is enhanced.

The utility model discloses a fixing support for installing a lamp, which comprises a support main body and is characterized in that the support main body comprises an adapter and an installing seat, the adapter is rotatably connected with the installing seat, the adapter is connected with the lamp through a fixing seat, the fixing seat is fixed on the lamp through a fastener, and the fixing seat is fixed on the lamp through a fastener. The mounting base is used for being connected to a fixed object. The LED lamp comprises a radiator, an LED lamp panel, a lens board and a driving power source, the driving power source is used for driving the LED lamp panel, an installation groove is formed in the front face of the radiator, the LED lamp panel is fixedly installed in the installation groove, the lens board covers the light-emitting face of the LED lamp, and the LED lamp further comprises a fixing base and the fixing support. The fixing seat is fixed on a radiator through a fastener, and the fixing support is connected with the fixing seat through a connector.