14results about How to "Uniform spot" patented technology

The present invention relates to an LED pulse light spot remover, comprising an LED light source module, a sensor module, an interaction module and a drive control module; the LED light source module is used to generate pulse light, and the light parameters of the pulse light are calculated based on the thermal relaxation of human tissue; the sensor module is used to obtain working data; the interaction module is used to receive control commands; the drive control module is used to control the LED light source module to work according to the working data and the control commands. The LED pulse light spot remover of the present invention has a small size, high luminous efficiency, uniform light spots and easy control of light parameters.

The utility model provides a light-emitting element and a light-emitting device. The light-emitting element comprises a substrate and an LED chip, and the orthographic projection of the LED chip on the first surface of the substrate and the first surface of the substrate are both square; an electrode is arranged at each of a pair of diagonal positions on the surface, deviating from the substrate, of the LED chip, and the electrodes are electrically connected with the substrate. The two electrodes, deviating from the surface of the substrate, of the LED chip are respectively arranged at one pair of diagonal positions, so that current is more uniformly injected into each region of the chip on the premise that the light-emitting area of the chip is not reduced; the luminous intensity on the surface of the chip is more uniformly distributed, and the illumination quality is improved; the light-emitting element can generate more uniform light spots; the lower voltage requirement can be met, the energy efficiency of the light-emitting element is improved, and the energy consumption is reduced; the temperature and brightness uniformity of the light-emitting element are improved, and the reliability and performance of the light-emitting element are enhanced.

The invention relates to a photo-thermal camouflage device and a manufacturing method thereof. The photo-thermal camouflage device comprises a semiconductor refrigeration substrate, RGB-LEDs are arranged in the semiconductor refrigeration substrate, the semiconductor refrigeration substrate further comprises a lower substrate, an upper substrate, electrodes and semiconductor particles, the lower substrate and the upper substrate are oppositely arranged, the electrodes are arranged on the lower substrate and the upper substrate, and the semiconductor particles are arranged on the electrodes. The semiconductor particles comprise P-type semiconductor particles and N-type semiconductor particles, the P-type semiconductor particles and the N-type semiconductor particles are alternately arranged between the lower substrate and the upper substrate and form a loop together with the electrode, and during working, external voltage is applied to the loop, so that the semiconductor particles are formed by the P-type semiconductor particles and the N-type semiconductor particles; the device is cooled and heated by adjusting the direction and magnitude of the current so as to change the infrared spectrum image of the device. According to the invention, the semiconductor refrigeration substrate and the RGB-LED are integrated by utilizing the advantages of no refrigerant, no vibration and no noise during working and simplicity and convenience in operation of a semiconductor refrigeration technology, so that the photo-thermal camouflage device with independently adjustable visible light and infrared light patterns is manufactured.

The utility model discloses a mirror front lamp which comprises a lamp barrel, a light emitting piece is arranged in the lamp barrel, and an opening is formed in one side of the lamp barrel. The reflecting cover is arranged at the opening of the lamp tube; the anti-dazzle lens is arranged in the lamp barrel and located between the light-emitting part and the reflecting cover; and the soft light lens is arranged in the lamp barrel and located between the anti-dazzle lens and the reflecting cover, and the soft light lens is in a crescent moon shape. In the installation process, one side of the soft light lens is installed far away from the mirror, when the mirror is used, the light emitting part emits light, the anti-dazzle lens conducts dodging treatment on the light, light spots obtained after refraction are more uniform and do not irritate eyes, and meanwhile after the light spots are softened through the soft light lens and refracted through the light reflecting cover, the light spots are more uniform and do not irritate the eyes. The light irradiated to one side of a human body does not affect the lighting effect and is anti-glare, and is softer and not dazzling, so that the use comfort of the mirror front lamp is improved.

The invention discloses a microscope dark field illumination system, which relates to the technical field of microscopes, and comprises a mounting sleeve detachably assembled on an objective lens and provided with a pressing piece; the LEDs are arranged on the mounting sleeve in a circumferential array shape; the TIR lens is arranged in the mounting sleeve and is used for adjusting the large-angle light of the LED into collimated parallel light; the free-form surface annular lens is arranged at the end part of the mounting sleeve, keeps a preset distance with the TIR lens, and is used for adjusting the light ray direction of the parallel light; wherein light spots refracted by the free-form surface annular lens form approximately circular light spots in the center of the objective table. The mounting sleeve of the dark field illumination system of the microscope is detachably assembled on the objective lens, so that the device is a dark field vertical illumination optical system which can be directly and externally mounted, the bright field objective lens is conveniently upgraded to the dark field objective lens without changing any original structure of the microscope, and the dark field illumination system is small in size, high in universality, convenient to assemble and disassemble and uniform in light spot.

The utility model discloses a lamp which comprises a shell, a light-transmitting piece, a main supporting frame and a light source device, the light source device comprises an installation substrate and a light-emitting body, the installation substrate is provided with an installation base face used for installing the light-emitting body, and the light-emitting body is configured to emit light rays; 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 shell is matched with the light transmitting piece in an avoiding mode, so that light spots formed by the lamp are larger, the uniformity is better, the lighting effect is improved, and the light sensation of the whole space is better.

The invention relates to the technical field of medical equipment, and discloses an endoscope head end with uniform light spots, the endoscope head end comprises a head end base, and a camera chip module, an LED light source, a PCB and a module line which are arranged in the head end base, the head end base is provided with an imaging channel and an instrument channel, the head end base is transparent, and the camera chip module, the LED light source, the PCB and the module line are arranged in the head end base. Light diffusion powder is dispersed in the head end base, the camera chip module, the LED light source, the PCB and the module line are integrally formed, and the camera chip module is located in the imaging channel. When the head end base is subjected to injection molding processing, the light diffusion powder is added into the raw materials, so that light emitted by the LED light source is fully diffused when passing through the head end base, the purpose of uniform light spots is achieved, and compared with the mode that the light spots are uniform by heightening an LED lamp, the process is simple, the efficiency is high, and the effect is good.

This utility model provides a novel flashlight device, comprising a base, a lamp body, and a main body. One side of the lamp body is connected to the base, and the other side is connected to the main body. A camping light panel is disposed on one side of the main body near the base, and a flashlight panel is disposed on the other side. A cat's-eye lens is disposed on the lower side of the flashlight panel. A die-cast aluminum part is disposed on the outer periphery of the main body, and the cat's-eye lens is located within the die-cast aluminum part. A microprism lens is disposed inside the lamp body, and the inner diameter of the microprism lens gradually decreases from the base to the main body. The novel flashlight device provided by this utility model has an optical system and heat dissipation structure that can simultaneously meet the requirements of a wide-range camping light and a professional flashlight. Its camping light spot is more uniform, its flashlight has a higher light output, and it has good heat dissipation.

A circuit board is installed on a heat dissipation base, LED lamp beads are installed on the circuit board, a high-condensation-rate spotlight lens is installed above the LED lamp beads, a lamp cover is installed on the high-condensation-rate spotlight lens, and the outer surface of the high-condensation-rate spotlight lens is a full reflective mirror face. And titanium dioxide coatings are coated on the outer surfaces of the radiating seat, the lamp cover and the full-reflective mirror surface. Heat generated by the LED lamp is utilized to activate the titanium dioxide coating to decompose indoor acetaldehyde and formaldehyde, and indoor air pollutants are converted into harmless compounds.

The present invention is applicable to the technical field of lamps and provides a scale armor structure, a reflective cup and a lens. The scale armor structure includes a curved surface and a plurality of connection points randomly arranged on the curved surface. Any one of the connection points is used as a reference point, and the connection points adjacent to the reference point are connected to the reference point to form grid lines. A plurality of grid lines and the curved surface constitute a grid curved surface. The scale armor curved surface enclosed by the plurality of grid lines is the minimum unit constituting the grid curved surface. The number of connection points connected to the reference point is limited to a range of 3-10, so that each scale armor curved surface can be ensured to have a polygonal configuration different from that of a traditional regular scale armor structure. The shape and position of a light spot formed after the light is reflected by the scale armor structure are random, and there is no regular repetition, that is, the scale armor structure can completely disperse the light. The reflective cup and lens using the scale armor structure have a good light mixing effect, and the light and the light spot are uniform.

The embodiment of the utility model provides a head-up display lighting device which at least comprises a light source module, a light guide module, a lens module and a diffusion module, and the light source module, the light guide module, the lens module and the diffusion module are arranged in sequence. The lens module is obtained by performing wedge angle processing on a plane part of a preset lens; the light source module is used for providing light; the light guide module is used for carrying out light mixing and light receiving treatment on the light rays and is used for improving the lighting effect of the LED; the lens module is used for deflecting the processed light to enable the deflected light to coincide with the imaging main light; and the diffusion module is used for converting the deflected light into an area light source and providing backlight for the display module, so that the head-up display lighting device provided by the utility model has the advantages that the size is reduced and the degree of freedom of the lighting device is improved while the visual brightness uniformity is not influenced.

A low beam brightening and uniform light spot LED headlamp module for an electric vehicle comprises a PCB and a lens assembly arranged on one side of the PCB, a low beam lamp bead, a high beam lamp bead and a low beam brightening lamp bead are arranged on the PCB, the lens assembly comprises a small lens, a large lens is formed on the small lens, and a first optical surface, a second optical surface and a third optical surface are formed on the large lens. The first optical surface, the second optical surface and the third optical surface have corresponding position relations with the low beam lamp bead, the high beam lamp bead and the low beam brightening lamp bead; on the basis that the low beam brightening lamp beads are additionally arranged in the LED headlamp module for the electric vehicle, the optical surface of the small lens is adjusted, so that light spots in the low beam state are more uniform, the whole light spots are decreased in a gradient mode, no obvious fall exists, and the whole brightness is basically not changed in the switching process of high beam and low beam; meanwhile, light spots in the low beam state are more uniform, and safe riding at night is better guaranteed; the high beam and the low beam of the LED headlamp module for the electric vehicle also meet the standard requirements.

The application relates to the technical field of laser micro-nano processing, and particularly provides a femtosecond laser processing system and method, wherein the femtosecond laser processing system comprises a laser emission module and a beam shaping module; the beam shaping module comprises a pulse separator, a spatial light modulator and a beam expander; the laser emission module, the pulse separator, the beam expander and the spatial light modulator are sequentially arranged; the laser emission module is used for emitting laser pulses; the laser pulses sequentially pass through the pulse separator and the beam expander and then reach the spatial light modulator; the pulse separator is used for splitting the laser pulses and introducing a pulse delay time between the split laser pulses; the beam expander is used for expanding the laser beam; and the spatial light modulator is used for shaping a Gaussian beam into a flat-top beam. The application has the effect of improving the processing quality of nanochannels on a grating surface.

The present invention is applicable to the field of lighting technology, and provides a lens and a lamp. The bottom of the lens of the present invention is provided with a groove, the bottom surface of the groove is a first reflection surface, the outer side surface of the groove is a refractive surface, and the side surface of the lens is a second reflection surface; the first reflection surface and the second reflection surface are both non-rotationally symmetrical curved surfaces; when the lens of the present invention is applied to lighting, its light distribution angle can reach 60°×60°, and the optical effects of this light distribution angle in two vertical directions are basically the same, so a uniform light spot can be generated, thereby effectively improving the lighting effect. The lamp of the present invention includes the above-mentioned lens, and a light source arranged in the groove corresponding to the lens, which can generate a uniform light spot and has a good lighting effect.