127 results about "Lens plate" patented technology

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 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.

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.

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.

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 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 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.

A method for inspecting a specimen with four or more primary beamlets is described. The method includes generating a primary charged particle beam with a charged particle source and generating the four or more primary beamlets with a multi-aperture lens plate and two or more electrodes. A first, second, third, and fourth primary beamlet of the four or more primary beamlets are deflected with respect to each other with a collimator. An alignment system is controlled upstream of the collimator to minimize a measured current or maximize a signal from signal beamlets. The four or more primary beamlets are scanned over a surface of the specimen with a scanning deflector assembly. The four or more primary beamlets are focused on the specimen with an objective lens unit to generate four or more signal beamlets. The four or more signal beamlets are guided on detection surfaces.

The application relates to a self-loop coupling light module, which comprises a PCB board and a lens arranged above the PCB board, a plurality of lasers and a plurality of photodiodes are arranged on the PCB board, and each laser corresponds to each photodiode; a hole is arranged on the lens, one surface of the hole is a light surface, part of light emitted by the laser is reflected to the photodiode by the light surface, and the other part of light passes through the light surface and enters a fiber band, and the light emitted by the laser farthest from the photodiode is reflected by the light surface and is shot into the photodiode farthest from the laser to realize self-loop coupling. A self-loop coupling method of the self-loop coupling light module is also provided. In the coupling, the light emitted by the laser farthest from the photodiode is bent by the cubic hole and is concentrated into the photodiode farthest from the laser by the newly-added converging lens to realize self-loop coupling, and a light power meter is no longer needed, and an external fiber band is also no longer needed.

The utility model discloses a lamp capable of emitting light in various modes, which comprises a lens board and a lamp board arranged on the back face of the lens board, a first spiral lens and a second spiral lens are concentrically arranged on the end face of the lens board, and the first spiral lens and the second spiral lens are arranged adjacently in the radial direction. The surface of the first spiral lens and the surface of the second spiral lens are arc surfaces, the light distribution curve angles of the first spiral lens and the second spiral lens are different, and a plurality of LED lamp beads are arranged on the lamp panel along the center of the section of the first spiral lens and the center of the section of the second spiral lens. Light emitted by the LED lamp beads is concentrated through the two adjacent spiral lenses, the light can be refracted twice between the two spiral lenses, the angle can be changed, the brightness is high, energy is saved, and multiple light emitting modes can be formed through combination.

A charged particle beam device for irradiating or inspecting a sample is described. The charged particle beam device comprises 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 primaries. Two or more electrodes (e.g. each electrode having one opening) with one opening for the primary charged particle beam or the four or more primary beamlets are provided. The charged particle beam device 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 device further comprises an objective lens unit having three or more electrodes, each electrode having an opening for the four or more primary beamlets. The charged particle beam device further comprises a stage for supporting the sample.

An LED lamp includes a heat dissipation base provided with a first mounting groove and a second mounting groove; an LED lamp panel received in the first mounting groove and including a plurality of light-emitting elements; a lens plate covering the LED lamp panel; a driving power supply electrically connected to the LED lamp panel and configured to supply power to the plurality of light-emitting elements; and an angle controller fixed in the second mounting groove, the angle controller being electrically connected to the LED lamp panel and the driving power supply and configured to control the light-emitting elements corresponding to different areas of the lens plate to emit light.

The LED lamp comprises a shell and a driving power source, the shell comprises a base and a face cover which are covered with each other, a first installation face and a second installation face which are not parallel to each other are arranged on the face cover, a first LED lamp panel is arranged on the first installation face, a second LED lamp panel is arranged on the second installation face, and the driving power source is arranged on the base. The driving power supply is used for driving the first LED lamp panel and the second LED lamp panel, the LED lamp further comprises a control device electrically connected between the LED lamp panels and the driving power supply, a lens board covers the light-emitting surfaces of the first LED lamp panel and the second LED lamp panel, the first LED lamp panel comprises a first circuit board and a first light-emitting element, and the second LED lamp panel comprises a second circuit board and a second light-emitting element. The second LED lamp panel comprises a second circuit board and a second light-emitting element; and the control device is used for switching the light-emitting elements corresponding to different positions of the lens plate to emit light. Whether the light-emitting elements of the first LED lamp panel and / or the second LED lamp panel emit light or not can be flexibly switched, and the application range is wider.

The utility model belongs to the technical field of lighting equipment, and particularly relates to an LED table lamp. A lamp holder of the LED table lamp comprises a shell, an LED light source and a lens component, the LED light source is arranged in a containing space of the shell, the lens component comprises a first lens plate and a second lens plate which are connected, the cross sections of the first lens plate and the second lens plate are in an L shape, the second lens plate is installed at a light outlet of the shell, and the first lens plate extends into the containing space. The first lens plate is provided with a light-out side face and a wavy light-in side face, the light-in side face comprises a plurality of first curved surface parts, the light-out side face comprises a plurality of second curved surface parts, the first curved surface parts and the second curved surface parts are arranged in a one-to-one correspondence mode, and the first curved surface parts are arranged in a sunken mode. The first side face and the second side face are located on the two sides of the bottom cambered surface respectively and are arranged in a gradually-expanding mode, and the second curved surface part is arranged to be a cambered surface in a protruding mode. According to the technical scheme, the problems that a table lamp for local illumination in the market is limited in table top illumination range and uneven in illumination are solved.

The invention relates to the technical field of visual sensors, and discloses an intelligent compound eye visual sensor and a control method thereof.The intelligent compound eye visual sensor comprises an annular shell, a plurality of sub-visual modules evenly and annularly distributed in the annular shell and a lens visual angle adjusting module rotationally arranged on the annular shell; the lens visual angle adjusting module comprises an annular lens plate and a plurality of deflection lenses rotationally arranged on the annular lens plate, and the deflection lenses are used for deflecting the observation direction of the sub-vision module. Visual recognition is completed through the small-size compound eye recognition structure, the industrial robot is installed on the industrial robot, the stroke range of the industrial robot cannot be affected, meanwhile, the observation visual angle can be greatly avoided through recognition completed through the compound eye structure, and the whole sensor achieves comprehensive and clear observation; a more accurate front effect can be achieved on visual identification control of the industrial robot, and a comprehensive protection effect can also be achieved on the sub-visual modules.