21 results about "Microscope light source" patented technology

1. The name of this design product: Multi-channel LED microscope light source module. 2. Purpose of this design product: used as a light source for fluorescence microscope illumination. 3. The key point of the design of this product lies in its shape. 4. The picture or photo that best illustrates the design points: Stereoscopic drawing 1.

The invention discloses an imaging analysis method adopting a dome microscope light source. Relates to the technical field of microscopes. The method comprises the following steps: inoculating cells into micropores of a cell culture plate; placing the cell culture plate below a dome microscope light source, focusing, moving the cell culture plate after the focusing is clear, and enabling the field of view of the dome microscope to be at the edge of the micropore of the cell culture plate; turning on a middle light source in the light source inner ring of the dome microscope, adjusting the brightness of the middle light source and the dome light source, and obtaining a clear cell culture plate edge image by automatically adjusting the brightness and automatically analyzing the collected image; and splicing a plurality of images to obtain a complete and clear image of the whole micropore. According to the invention, the problem of imaging shadow caused by the concave liquid surface effect in the traditional inverted microscopic imaging experiment is effectively solved. The light of the light source can better penetrate through the concave liquid surface and uniformly irradiate each part of the microwell plate, so that the imaging of the edge of the microwell does not have a shadow any more, and the quality and definition of the imaging are improved.

The application discloses a method and system for defining wafer defect detection recipe offline. The method is executed in the following steps in sequence by judging recipe mode trigger parameter perfecting process in an offline state: corner point marking is performed through interaction at a target chip unit, wafer mapping recipe and alignment recipe are corrected and updated; alignment is automatically performed based on the updated alignment recipe to establish a detection coordinate system; multi-point automatic focusing is performed on the wafer and focus point data is saved; light intensity and camera gain tuning is automatically performed on a target area and the result is written into the detection recipe; microscope light source parameters are automatically corrected. The above steps are realized by event-driven decoupling of the main process and the interactive interface. After completion, the recipe mode is restored to the normal mode and all parameters are saved persistently. The application realizes efficient offline definition of the recipe, does not occupy production time, guarantees the reproducibility and consistency of the recipe, and is compatible with various hardware configurations.

The article is a multi-channel LED microscope light source module and can be used, for example, as a light source for a fluorescence microscope.

This invention discloses an illumination device for solving the concave liquid surface effect in well plate imaging, belonging to the field of microscope light source technology. The device includes an inverted microscope illumination source and several annular light sources distributed in a dome-like pattern around it. The inverted microscope illumination source is composed of a central light source, a collimating lens, and a condenser lens in sequence. The annular light sources contain multiple LED beads, and the size of the rings matches the diameter of the microwells in a common cell culture plate, with adjustable angles. Through the synergistic effect of traditional vertical illumination and dome-shaped oblique illumination, this invention effectively improves the imaging quality of well plates, adapts to microwell plates of different diameters, is easy to operate, and highly practical, providing strong support for cell observation and other related work.

The invention discloses an illumination device and method for solving the concave liquid surface effect of pore plate imaging, and belongs to the technical field of microscope light sources, the device comprises an inverted microscopic illumination light source and a plurality of annular light sources which are distributed in a dome mode with the inverted microscopic illumination light source as the center, and the inverted microscopic illumination light source is composed of a middle light source, a collimating lens and a collecting lens in sequence; the annular light source comprises a plurality of LED lamp beads, the size of a ring is matched with the diameter of a micropore of the general cell culture plate, and the angle is adjustable. Through the synergistic effect of traditional vertical illumination and dome oblique illumination, the device can effectively improve the imaging quality of the pore plate, is suitable for microporous plates with different diameters, is simple and convenient to operate and high in practicability, and can provide powerful support for cell observation and other work.

The application discloses a physical-based Fourier ptychographic light source pose correction method. The low-resolution image obtained through the Fourier ptychographic light path is affected by the pose deviation of the LED lamp plate in the system, thereby affecting the reconstruction quality. The application firstly constructs a physical model of the bright field to dark field boundary of the captured image for the microscope used, collects a group of low-resolution images of empty slides, screens out transition images with bright-dark boundaries, and calculates the bright-dark field boundary information of the transition images and the unbiased transition images generated by the model to solve the full pose parameters (including the distance from the sample, two orthogonal lateral displacements, the in-plane rotation angle and two tilt angles) of the misaligned LED array. The illumination angle can be accurately corrected, thereby ensuring the accuracy and uniformity of the illumination effect. It is verified through experiments that the application achieves good correction effect in practical application and enhances the robustness of the Fourier ptychographic reconstruction system to the light source position deviation.

The invention discloses a quantitative phase microscopic device based on non-rotational symmetry light source illumination and an imaging method, and belongs to the technical field of optical imaging, the device comprises a cylindrical lens optical system, an electric rotation control unit, an image acquisition unit and a computer processing unit; the cylindrical lens optical system is arranged in the device shell and comprises an optical lens group for converting a microscope light source into an asymmetric illumination light beam and a lens cone for fixing the optical lens group; the electric rotation control unit drives the lens cone to rotate around the optical axis, and multi-direction asymmetric illumination is achieved. The image acquisition unit is used for acquiring a light intensity image modulated by the sample; and the computer processing unit is used for controlling rotation and acquisition and performing phase inversion and three-dimensional shape reconstruction on the image. The device is simple in structure, high in illumination efficiency, high in compatibility and suitable for high-precision quantitative phase imaging of transparent and semitransparent samples.

1. The name of this design product: Multi-channel LED microscope light source module. 2. Purpose of this design product: used as a light source for fluorescence microscope illumination. 3. The key point of the design of this product lies in its shape. 4. The picture or photo that best illustrates the key points of the design: Design 1 Stereoscopic Drawing 1. 5. Designate Design 1 as the base design.

The utility model discloses a microscope automatic focusing system. The microscope automatic focusing system comprises a microscope light source housing; the laser focusing sensor is fixedly arranged on the microscope light source shell; the objective lens mounting plate is arranged below the microscope light source shell; and the electric sliding table is arranged on the microscope light source shell, and the electric sliding table is used for driving the objective lens mounting plate to move so as to realize focusing of the objective lens. According to the utility model, the laser focusing sensor is additionally arranged on the light source shell of the microscope, the objective lens is arranged on the objective lens mounting plate, and then the whole microscope is arranged on the electric sliding table, so that when the objective lens is used for imaging, the laser focusing sensor can judge whether an image is clear or not, and if the image is clear, focusing is completed on a focusing surface; and if the image is not clear, the image is not on the focusing surface, and the electric sliding table adjusts the positions of the objective lens mounting plate and the objective lens to realize automatic focusing.

1. The name of this design product: Multi-channel LED microscope light source module. 2. Purpose of this design product: used as a light source for fluorescence microscope illumination. 3. The key point of the design of this product lies in its shape. 4. The picture or photo that best illustrates the design points: Stereoscopic drawing 1.

The utility model discloses a microscope light source automatic turn-off system, which comprises a light source body, an induction assembly, a timing assembly and a processing assembly, the induction assembly, the timing assembly and the light source body are all electrically connected with the processing assembly, and the light source body is in linkage fit with the induction assembly and the timing assembly through the processing assembly. The induction assembly comprises a magnetic attraction mounting seat and a magnetic attraction type distance sensor which are in magnetic attraction fit, the magnetic attraction type distance sensor is detachably fixed to the edge of the working platform right in front of the microscope through the magnetic attraction mounting seat and used for detecting the distance between a human body and the microscope, and whether a person uses the microscope or not is judged by detecting the distance between the human body; the lamp source is automatically turned off when people exceed the distance for a certain time, and the service life of the microscope lamp source is prolonged.

The utility model relates to the technical field of light sources of high-power microscopes, in particular to a multipurpose automatic light source of a high-power microscope, which comprises a multipurpose automatic light source main body, a top cover is arranged on the multipurpose automatic light source main body, a communicating hole is arranged at the upper end of the top cover, and the upper end of the top cover is connected with a microscope connecting seat with a circular ring structure. The microscope connecting base and the communicating hole are of a coaxial structure, a first collecting lens and a second collecting lens which are connected with each other are arranged in the top cover, and a first collecting lens groove and a second collecting lens groove which are perpendicular to each other are formed in the first collecting lens and the second collecting lens respectively. A light splitting piece inclined by 45 degrees is installed between the first light collecting lens groove and the second light collecting lens groove in a clamped mode. According to the multi-purpose automatic light source of the high-power microscope, double light source light paths are built in, and the illumination light paths are kept on the same axis through the beam splitter, so that any illumination mode can be freely controlled by software, the multi-purpose automatic light source can adapt to high-power microscopes of different brands, and the cleanliness detection efficiency is improved.

The application discloses a quantitative phase microscope device based on non-rotationally symmetric light source illumination and an imaging method, and belongs to the technical field of optical imaging. The device comprises a cylindrical lens optical system, an electric rotation control unit, an image acquisition unit and a computer processing unit. The cylindrical lens optical system is arranged in a device shell and comprises an optical lens group for converting a microscope light source into an asymmetric illumination light beam and a lens barrel for fixing the optical lens group. The electric rotation control unit drives the lens barrel to rotate around an optical axis to realize multi-directional asymmetric illumination. The image acquisition unit is used for acquiring a light intensity image modulated by a sample. The computer processing unit is used for controlling rotation and acquisition, and performing phase inversion and three-dimensional topography reconstruction on the image. The device has simple structure, high illumination efficiency and strong compatibility, and is suitable for high-precision quantitative phase imaging of transparent and semi-transparent samples.

1. The name of this design product: Multi-channel LED microscope light source module. 2. Purpose of this design product: used as a light source for fluorescence microscope illumination. 3. The key point of the design of this product lies in its shape. 4. The picture or photo that best illustrates the design points: Stereoscopic drawing 1.

A microscope includes a light source positioned at a light source plane of the microscope, a pattern projection component positioned at a light stop plane of the microscope, and an optical sensor positioned at an image plane of the microscope. The light source is configured to transmit light to an object plane of the microscope via the pattern projection component. The pattern projection component is configured to, when the light interacts with the pattern projection component, cause the light to carry a pattern. The pattern, when the light transmits from the pattern projection component to an object positioned at the object plane, is projected on a region of the object.

The invention relates to a method for a microscope to automatically follow a light source, and belongs to the technical field of operating microscope control. According to the third machine vision-based microscope light source automatic following method provided by the invention, through a target identification and motion control algorithm, microscope light source automatic following, illumination direction adaptive adjustment and motion error compensation are realized, and the stability and precision of illumination in an operation are improved. The core concept of'virtual intersection '(P1) is introduced, so that the control logic of the double-arm robot is fundamentally reconstructed. Moving targets of two mechanical arms needing to be independently controlled are unified and simplified into control over a single virtual point. One hand of a doctor is liberated, so that the doctor can be used for other auxiliary operations, and a higher guarantee is provided for success of an operation.

An imaging system and method includes a microscope for observing a sample. A light source is arranged to generate light along an optical path of the microscope. A lens array is positioned in the optical path of the microscope, the lens array having a plurality of lenses each with a lens optical axis, the lens optical axes positioned to each capture a separate field of view of the sample. At least one detector is configured to detect the separate fields of view from the lenses. The imaging system is configured to mosaic the detected separate fields of view from each lens to generate an image of the sample.

The utility model relates to the technical field of microscopes, and discloses a microscope light source heat dissipation mechanism which comprises a metal framework, an installation shell is installed outside the metal framework, an LED light source lamp is installed on the inner wall of the installation shell, a heat dissipation mechanism is installed outside the LED light source lamp, the heat dissipation mechanism comprises a plane portion, and the plane portion is provided with a light source. The LED light source lamp comprises a plane part, side face parts are arranged on the two sides of the plane part, mounting holes are formed in the outer portion of the plane part, notches are formed in the two sides of the plane part, one side of the plane part is tightly attached to a shell of the LED light source lamp, and the side face parts are tightly attached to the inner wall of the metal framework. According to the LED light source lamp, the plane part is tightly attached to the outer shell of the LED light source lamp, the side face part makes contact with the inner wall of the metal framework, the contact area can be effectively increased, and therefore the heat dissipation efficiency is improved, and the contact area of the side face part and the metal framework is larger than the contact area of the plane part and the outer shell of the LED light source lamp.

The embodiment of the invention provides a light source device and an automatic switching method of a microscope light source, and relates to the field of microscopes. The light source device comprises a base, a fluorescent light source module, a rotary switching assembly and a control system, the fluorescent light source module is arranged on the base, and the fluorescent light source module can generate fluorescent light with different wavelengths; the rotary switching assembly is arranged on the base, the rotary switching assembly is provided with a plurality of fluorescent channels, and the control system is in communication connection with the fluorescent light source module and the rotary switching assembly; the control system can be used for controlling the fluorescent light source module to generate fluorescent light, and the control system can be used for controlling the rotation switching assembly to rotate, so that the fluorescent light with different wavelengths generated by the fluorescent light source module can respectively correspond to different fluorescent channels, excitation observation is carried out on different fluorescent markers, and the problem of tedious manual switching operation is avoided. The embodiment of the invention also provides an automatic switching method of the microscope light source, which is realized through the light source device.

The utility model belongs to the technical field of optical microscopes, and discloses a display control device of a microscope light source, which comprises a light supplementing light source, a light supplementing angle adjusting assembly, a brightness adjusting assembly and a light source energy source. A light supplementing light source adopts a white light LED lamp bead combined with an inverted conical light cup, so that the light utilization rate is improved; the light supplementing angle adjusting assembly achieves multi-angle free steering of the light source through a rotating shaft and an adjusting handle, and the sample observation requirement is accurately met. The brightness adjusting assembly is based on the PWM principle, utilizes a metal film potentiometer and an IRF520 MOS, realizes 0-100% linear dimming on the premise of ensuring stable color temperature, and prevents the observation effect from being influenced by color temperature shift. The light source is powered by the battery compartment to ensure the use flexibility of the device. All the components operate cooperatively, light shadow and reflection interference are effectively eliminated, the microscopic image definition and color rendition degree are remarkably improved, and an efficient and convenient illumination solution is provided for scientific research, teaching and other scenes.