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44 results about "Transmission illumination" patented technology

Polarizing film inspection device and polarizing film inspection method using the inspection device

A polarizing film inspection device includes a jig on which a display device including a polarizing film and a display panel is seated, a polarizing filter disposed on an upper portion of an edge of the polarizing film and having a polarization angle different from a polarization angle of the polarizing film, a transmission lighting disposed on a lower portion of the edge of the polarizing film and emitting light toward the edge of the polarizing film, a camera disposed on an upper portion of the polarizing filter, and a control unit which determines whether the polarizing film is defective by analyzing an image captured by the camera.
Owner:SAMSUNG DISPLAY CO LTD

Laser processing apparatus and laser processing method

PendingJP2026011353ALaser beam welding apparatusLaser processingTransmission illumination
To provide a laser beam machining apparatus and a laser beam machining method capable of machining a workpiece by accurately irradiating a target position with a laser beam even when adjusting an irradiation position of the laser beam using a machining mark formed by irradiation of the laser beam.SOLUTION: In the laser processing device 100, the control unit 60 controls the camera 20 to image the transmitted illumination light 51, which is the illumination light that has passed through the through-hole 43 of the processing mark 41, in a state in which the processing mark 41 is irradiated with the visible ray as the illumination light from the transmission layer 40b side by the illumination unit 50.SELECTED DRAWING: Figure 6
Owner:TORAY ENG CO LTD

Display device and head-up display device

ActiveCN223377553UVehicle componentsOptical elementsTransmission illuminationVisual observation
The utility model provides a display device and a head-up display device which can restrain reduction of visual observability. A display device includes: a light source that emits illumination light; a second lenticular lens (15) that transmits the illumination light; a display panel having a display light emission region that receives the illumination light transmitted through the second biconvex lens (15) and emits display light; and a second lens housing case (22) which has an opening (28) through which the illumination light passes, and which surrounds the outer peripheral side of the second biconvex lens (15). The opening (28) has an inclined surface (28a) that is formed on the opening end surface of the opening (28), is inclined with respect to the center of the optical axis of the illumination light, and reflects light (L1, L2), which is a part of the incident illumination light, so as to reach the outside of the display light emission region.
Owner:NIPPON SEIKI CO LTD

Detection system and detection method for casting shell

PendingCN121632251AMeasurement apparatus componentsTransmission illuminationMechanical engineering
The invention relates to a detection system and a detection method for a casting shell. The detection system comprises: a base; the rotating device is arranged on the base and used for fixing the shell and driving the shell to rotate around a first axial direction; the weighing device is arranged on the rotating device and is used for weighing the weight of the shell; the transmission lighting device is arranged on the rotating device, and the light emitting direction of the transmission lighting device is configured to face the interior of the shell; the image acquisition device is arranged on one side of the rotating device; the lifting driving device is connected with the image acquisition device and used for driving the image acquisition device to move in the direction parallel to the first axial direction. The weighing device obtains the weight of the shell, and the shell with unqualified weight is excluded; the rotating device drives the shell to rotate, the light path of the transmission illumination device points to the interior of the shell, and the lifting driving device drives the image acquisition device to move and acquires the optical image of the shell, so that the crack and thickness defect detection is realized, the automatic detection process is realized, and the detection efficiency and quality are improved.
Owner:WUHAN POWER3D TECH

Single-camera partitioned optical microscopic imaging device

The invention discloses a single-camera partitioned optical microscopic imaging device which comprises a bottom plate, a support is mounted at the top of the rear side of the bottom plate, and a mounting plate is mounted on the front side of the support; the sample table is mounted on one side of the top of the bottom plate and is used for clamping a sample; the transmission illumination assembly is mounted on the other side of the top of the bottom plate and is used for providing uniform illumination for the sample; and the microscopic imaging assembly is mounted at the bottom of the front side of the mounting plate. According to the invention, through the arrangement of the image separation assembly, the intermediate image of the sample can be separated into microscopic images of a plurality of channels, and the microscopic images can be imaged on the target surface of the camera in real time after being transmitted through different paths, so that a single camera can carry out multi-channel imaging without considering whether a plurality of cameras are aligned or not; according to the optical microscopic imaging device, the problem of difference of time resolutions of a plurality of cameras does not exist, the optical path of the optical microscopic imaging device is relatively simple in the propagation process, some very rapid dynamic events can be synchronously captured, and the use effect is good.
Owner:RUIGUANG KAIQI (ZHENJIANG) OPTOELECTRONICS TECH CO LTD

Glare mitigation module for a head-up display system

ActiveUS12345897B2Diffraction gratingsVehicle componentsTransmission illuminationLight diffraction
A glare mitigation module for a head-up display system is configured to transmit display light emitted from an illumination device therethrough. The glare mitigation module comprises an input surface through which the display light from the illumination device enters the glare mitigation module and an output surface through which the display light from the illumination device exits the glare mitigation module in a display direction. The glare mitigation module further comprises a diffractive optical element comprising a plurality of layers stacked successively between the input and output surfaces, with the plurality of layers arranged to transmit the display light of the illumination device therethrough and to diffract an external light that enters the glare mitigation module through the output surface. The diffractive optical element is arranged to diffract the external light in a diffracted direction away from eyes of an occupant.
Owner:GM GLOBAL TECHNOLOGY OPERATIONS LLC

Vehicle exterior part

PendingJP2026001978AVehicle headlampsLighting and heating apparatusTransmission illuminationIrradiation
To provide an exterior part for a vehicle capable of making a pattern and a character displayed by transmitting irradiation light clearly visible by an outside person.SOLUTION: And a light absorbing film 5 provided on a back side 2a of the base material 2 facing rearward and having an opening 2b that exposes at least a part of the back side 2b, wherein the back side 5a of the base material 2 has a fixed side 2b to which the light absorbing film 5 is fixed and an exposed side 2c exposed at the opening 5a, and the exposed side 2d is rougher than the fixed side 2d. 2c.SELECTED DRAWING: Figure 2
Owner:FALTEC CO LTD

Image measuring apparatus and setting support device for image measuring apparatus

PendingCN121175527AImage enhancementImage analysisTransmission illuminationImaging condition
[Problem] To facilitate setting of measurement conditions. [Solution] An image measurement device (1) is provided with: an epiillumination unit (13a) and a transmission illumination unit (13b); a measurement setting unit (113) for setting, as a measurement element, at least one of a plurality of measurement positions and one or more measurement items represented by the workpiece included in the image generated by the imaging unit (15); an automatic adjustment unit (117) for automatically adjusting, for each measurement position, a plurality of types of measurement conditions including an imaging condition of the measurement element set by the measurement setting unit (113) by the imaging unit (15); and a measurement unit (110A) for extracting an edge from the image generated by the imaging unit (15) on the basis of the measurement element set by the measurement setting unit (113) and the measurement condition automatically adjusted by the automatic adjustment unit (117), and performing measurement of the measurement element by using the edge.
Owner:KEYENCE CORP

Household appliance having housing and door unit

PendingCN121993016ADomestic stoves or rangesDoors for stoves/rangesHome useTransmission illumination
The invention relates to a household appliance having a housing and a door unit. A control unit and an accommodating container are arranged in the shell. A device opening is provided in the housing through which the receiving container can be accessed. The door unit is arranged on the household appliance in such a way that the appliance opening can be closed. The door unit includes a front door assembly and a rear door assembly. The front door assembly includes a first frame element. A window element is arranged between the front door assembly and the rear door assembly. The front door assembly at least partially overlaps the window element. The door unit includes a lighting unit disposed between the front door assembly and the rear door assembly within the door unit. The first frame element is at least partially light-transmissive and has a mask which has an opening and is arranged on the first frame element such that a first region of the first frame element is non-light-transmissive and a second region of the first frame element is light-transmissive. In an on state of the illumination unit, it transmits and illuminates the opening of the mask. The masked first frame element is arranged on the door unit in an edge region of the window element so as to at least partially overlap the window element.
Owner:BSH HAUSGERATE GMBH

Image measuring apparatus and setting support device for image measuring apparatus

PendingCN121152951AImage enhancementImage analysisTransmission illuminationComputer graphics (images)
[Problem] To enable a user to easily perform a desired measurement even if the user does not have professional knowledge of CAD or a measurement instrument. [Solution] An image measurement device (1) is provided with: an epiillumination unit (13a) and a transmission illumination unit (13b); a drawing introduction unit (111) for selectively introducing drawing data in accordance with an introduction instruction; a display screen generation unit (115) for generating a display screen on which a workpiece shape included in the drawing data introduced by the drawing introduction unit (111) and a workpiece representation included in the image generated by the imaging unit (15) are displayed so as to be visually associated with each other; and an association unit for associating the measurement setting data or the measurement result with a workpiece representation visually associated with the workpiece shape included in the drawing data on the display screen generated by the display screen generation unit (115).
Owner:KEYENCE CORP

A multi-parameter synchronous measurement integrated microscopic measurement system and a measurement method thereof

ActiveCN121275641BMaterial analysis by optical meansUsing optical meansTransmission illuminationReflection illumination
The application discloses a kind of comprehensive microscopic measurement system and its measurement method of multi-parameter synchronous measurement, solve the measurement mode single of existing microscopic measurement system, cannot realize the demand of in-situ measurement multiple optical parameters problem, specifically including objective table, transmission illumination module, imaging module and reflection illumination module;Objective table is used to carry the sample piece to be measured;Transmission illumination module is set below objective table, to emit transmission measurement light to the sample piece to be measured on objective table;Reflection illumination module is set in the side of objective table, for emitting reflection measurement light;Imaging module is set above objective table, for receiving transmission measurement light or reflection measurement light, to measure corresponding parameter.The comprehensive microscopic measurement system and its measurement method can realize the imaging of light-transmitting / non-light-transmitting sample piece, three-dimensional topography, phase modulation quantity, polarization modulation quantity and other physical measurements, meet multiple measurement requirements, significantly improve measurement efficiency and multifunctionality.
Owner:XIAN INST OF OPTICS & PRECISION MECHANICS CHINESE ACAD OF SCI

Image measurement device and setting assistance device for image measurement device

PCT designated stageWO2025220531A1Image enhancementImage analysisGraphicsTransmission illumination
[Problem] To easily perform a desired measurement even if a user does not have expert knowledge of CAD or a measurement apparatus. [Solution] This image measurement device 1 comprises: an epi-illumination unit 13a and a transmission illumination unit 13b; a drawing acquisition unit 111 for selectively acquiring drawing data in response to an acquisition instruction; a display screen generation unit 115 for generating a display screen on which a workpiece shape included in the drawing data acquired by the drawing acquisition unit 111 and a workpiece image included in the image generated by an imaging unit 15 are visually associated with each other and displayed; and an association unit for associating measurement setting data or a measurement result with the workpiece image visually associated with the workpiece shape included in the drawing data in the display screen generated by the display screen generation unit 115.
Owner:KEYENCE CORP

Image measuring device and setting support device for image measuring device

PCT designated stageWO2025220532A1Image enhancementImage analysisImaging conditionTransmission illumination
[Problem] To facilitate setting of measurement conditions. [Solution] An image measuring device 1 comprises: an epi-illumination unit 13a and a transillumination unit 13b; a measurement setting unit 113 that sets, as measurement elements, at least one of a plurality of measurement positions or one or more measurement items for a workpiece image included in an image generated by an imaging unit 15; an automatic adjusting unit 117 that automatically adjusts, for each measurement position, a plurality of types of measurement conditions including an imaging condition of the imaging unit 15 with respect to the measurement elements set by the measurement setting unit 113; and a measuring unit 110A that extracts edges from the image generated by the imaging unit 15 on the basis of the measurement elements set by the measurement setting unit 113 and the measurement condition automatically adjusted by the automatic adjusting unit 117, and performs measurement of the measurement elements using the edges.
Owner:KEYENCE CORP

Perovskite solar cell surface defect automatic detection and repair system and method

The invention relates to the technical field of automatic detection, in particular to a perovskite solar cell surface defect automatic detection and repair system and method. The backlight source is arranged on the base to provide transmission illumination, the linear array camera module is driven by the guide rail scanning mechanism to perform linear scanning, and the transmission illumination panoramic image of the surface of the battery is obtained; then, the pinhole position is positioned through an identification module, area data are obtained, and then the depth of the pinhole is accurately measured through a white light interference thickness gauge; and finally, according to the obtained three-dimensional data, the use amount of a solution needing to be repaired is calculated, an injection pump is driven by an execution mechanism to conduct quantitative liquid injection, and meanwhile, a laser annealing head is matched for conducting synchronous annealing treatment on an injection area. Precise positioning of a pinhole is realized through transmission illumination, defect depth information is obtained by adopting a white light interference principle, and quantitative repair is performed based on three-dimensional data, so that the repair process is controllable, measurable and repeatable, and the yield of batteries is effectively improved.
Owner:SHENZHEN PLATING LIANGHENG TECH CO LTD

Polarizing film inspection device, polarizing film inspection method, and electronic device

The invention discloses a polarizing film inspection apparatus, a polarizing film inspection method, and an electronic device. The polarizing film inspection apparatus includes: a jig on which a display device including a polarizing film and a display panel is placed; a polarizing filter disposed at an upper portion of an edge of the polarizing film and having a polarization angle different from a polarization angle of the polarizing film; a transmissive illumination part disposed at a lower portion of an edge of the polarizing film and emitting light toward the edge of the polarizing film; the camera is arranged at the upper part of the polarization filter; and a control unit that determines whether or not the polarizing film is defective by analyzing the image captured by the camera.
Owner:SAMSUNG DISPLAY CO LTD

Image measuring device and setting support device for image measuring device

PCT designated stageWO2025220530A1Using optical meansTransmission illuminationMeasuring instrument
[Problem] To enable a user to perform desired measurements easily, even if the user does not have specialist knowledge of CAD or measuring instruments. [Solution] An image measuring device 1 comprises: an epi-illumination unit 13a and a transillumination unit 13b; a drawing accepting unit 112 that accepts drawing data; a matching unit 114 that matches a workpiece shape included in the drawing data accepted by the drawing accepting unit 112 with a workpiece image included in an image generated by an imaging unit 15; a measurement setting unit 113 that accepts instructions of measurement positions or measurement items of the workpiece shape after the workpiece shape included in the drawing data and the workpiece image included in the image have been matched by the matching unit 114, and that reflects the instruction as a measurement position or a measurement item for the workpiece image; and an automatic adjusting unit 117 that, for each measurement element corresponding to each measurement position or measurement item for which an instruction was accepted by the measurement setting unit 113, automatically adjusts a measurement condition for extracting the measurement element.
Owner:KEYENCE CORP

Laryngoscope with enhanced lighting capabilities

PCT designated stageWO2026178083A1Transmission illuminationLaryngoscope handle
A laryngoscope, comprising a blade, a handle attachment fitting, a light transmitter, and a light distributor is described. The blade has a dorsal surface, a ventral surface, an opaque proximal portion, a distal portion, and a blade length extending between a proximal end and a distal end. The handle attachment fitting is connected to the ventral surface. The handle attachment fitting is configured to engage the ventral surface to a laryngoscope handle. The light transmitter is housed within the blade. The light transmitter is configured to emit light from the blade so as to transilluminate at least a portion of the distal portion of the blade. The light distributor is within the blade and is configured to guide light emitted by the light transmitter from the distal portion of the blade to a target tissue.
Owner:ADROIT SURGICAL LLC

Light shielding device for microscope and microscope comprising the same

ActiveUS12416795B2Optical filtersMicroscopesTransmission illuminationFluorescence
The disclosure relates to a light shielding device for a microscope and a microscope including the same. In the microscope, transmitting illumination light from a transmitting illumination light source is irradiated from above a stage to a specimen on the stage and fluorescent illumination light from a fluorescent illumination light source is irradiated from below the stage to the specimen on the stage. The light shielding device may be mounted to a lower end portion of a condenser of the microscope to at least partially block ambient light entering an objective of the microscope. The light shielding device may include a light shield and a mounting mechanism configured to mount the light shield below the lower end portion of the condenser in a manually removable manner, and / or the light shield includes a through hole and a light shielding portion surrounding the through hole.
Owner:CARL ZEISS MICROSCOPY GMBH

Virtual image display device

ActiveCN115917399BProjectorsVehicle componentsTransmission illuminationDiffuse illumination
The virtual image display device of the present application is provided with: an illumination unit (40) that emits white illumination light; an image forming unit (20) that forms an image by transmitting the illumination light and emits display light of the image; and a condensing unit (30) that condenses the illumination light to the image forming unit (20). The image forming unit (20) has a plurality of pixel regions (212) arranged. The condensing unit (30) has: a front-stage lens portion (312) in which a plurality of front-stage lens portions are arranged to form a wave surface-shaped diffusion surface (313) that diffuses illumination light that has independently entered each pixel region (212) in an angle space in which the illumination light is independently condensed, and a rear-stage lens portion (322) in which a plurality of rear-stage lens portions are arranged to intermittently form a refracting surface portion in a direction orthogonal to a respective optical axis (A1), the refracting surface portion refracting the illumination light that has independently entered each pixel region (212) in an angle space in which the illumination light is independently condensed.
Owner:DENSO CORP

Microscope system

To appropriately and quickly find an object portion in a visual field of a microscope.SOLUTION: A microscope system 1 comprises: a first optical system that includes a transmitted light source 121 and enables observation of an object from an eyepiece 111 by a transmitted bright-field microscopy; a second optical system that shares at least part of the optical system with the first optical system and enables observation different from the observation of the object from the eyepiece 111; a camera 300 that acquires a digital image at least the different observation through the second optical system; a processor 500 that performs object detection on the digital image acquired by the camera 300 through the second optical system and outputs auxiliary information including information on a result of the object detection; and an AR display 400 that superimposes the auxiliary information on an optical image by the transmitted bright-field microscopy, which is formed on an optical axis of the first optical system.SELECTED DRAWING: Figure 1
Owner:EVIDENT CORP

Image measuring apparatus and setting support device for image measuring apparatus

PendingCN121175528AImage enhancementGeometric CADTransmission illuminationMeasuring instrument
[Problem] To enable a user to easily perform a desired measurement even if the user does not have professional knowledge of CAD or a measurement instrument. [Solution] An image measurement device (1) is provided with: an epiillumination unit (13a) and a transmission illumination unit (13b); a drawing receiving unit (112) that receives drawing data; a matching unit (114) that matches the workpiece shape included in the drawing data received by the drawing receiving unit (112) with the workpiece characterization included in the image generated by the imaging unit (15); a measurement setting unit (113) that, after the matching unit (114) matches the workpiece shape included in the drawing data and the workpiece characterization included in the image, receives an instruction of a measurement position or a measurement item in the workpiece shape, and reflects the measurement position or the measurement item as a measurement position or a measurement item for the workpiece characterization; and an automatic adjustment unit (117) that automatically adjusts, for each measurement element, a measurement condition for extracting each measurement element corresponding to each measurement position or measurement item indicated by the measurement setting unit (113).
Owner:KEYENCE CORP

Mechanism for accurately aligning reflected light and transmitted light in mask plate detection

The utility model discloses a mechanism for accurately aligning reflection light and transmission light in mask plate detection, which belongs to the technical field of mask plate detection and comprises a driving structure, a reflection optical system and a transmission illumination module. And the driving structure is used for synchronously driving the reflection optical system and the transmission illumination module. The reflection optical system and the transmission illumination module are synchronously driven by adopting the driving structure, and the reflection center and the transmission center of the reflection optical system and the transmission illumination module can be accurately aligned by utilizing a mechanical structure hard connection method.
Owner:SHENZHEN CHUANGSHI MICRO-TERMINAL INTELLIGENCE CO LTD

Thyroid mini-nodule detection device and method based on industrial camera

The invention belongs to the technical field of biomedical detection, and particularly discloses a thyroid mini-nodule detection device based on an industrial camera, which comprises a sample standardization mold, a detection platform and a control module, the sample standardization mold comprises a sample pressing groove, a clamping frame arranged outside the sample pressing groove in a sleeving mode and a sample pressing piece arranged on the sample pressing groove. According to the thyroid mini-nodule detection device based on the industrial camera, physical form standardization of thyroid tissue samples is achieved, and imaging distortion caused by uneven thickness is effectively eliminated. The special imaging platform optimizes the transmission illumination mode of the biological tissue, and improves the gray scale contrast of the nodule area and the normal tissue to a recognizable range. The automatic control system ensures that image acquisition parameters are accurately matched with sample characteristics, and error sources introduced by manual operation are reduced. The whole device forms a complete detection closed loop from sample preparation to result output, and the detection efficiency and accuracy of the tiny nodules are remarkably improved.
Owner:INST OF ENERGY HEFEI COMPREHENSIVE NAT SCI CENT (ANHUI ENERGY LAB)

Image measurement apparatus and setting support device for image measurement apparatus

PendingUS20260051075A1Image enhancementImage analysisImaging conditionTransmission illumination
To facilitate setting of measurement conditions. An image measurement apparatus includes an epi-illumination section and a transmitted illumination section, a measurement setting section that sets, as a measurement element, at least one of a plurality of measurement positions or one or more measurement items for a workpiece representation included in an image generated by the imaging section, an automatic adjustment section that automatically adjusts, for every measurement position, a plurality of types of measurement conditions including an imaging condition of the imaging section for the measurement element set by the measurement setting section, and a measurement section that extracts an edge from the image generated by the imaging section on the basis of the measurement element set by the measurement setting section and the measurement condition automatically adjusted by the automatic adjustment section, and executes measurement of the measurement element by using the edge.
Owner:KEYENCE CORP

Reading device, reading method, program, inspection device, and printing system

PendingUS20260097602A1Material analysis by optical meansOther printing apparatusTransmission illuminationRadiology
Provided are a reading device, a reading method, a program, an inspection device, and a printing system that can acquire preferred read data of a printed image for inspection or the like using the read data of the printed image. A reading device includes an image sensor, an imaging lens, a transmitted illumination device including a transmitted bright-field illumination device and a transmitted dark-field illumination device, and a transmitted illumination condition setting unit that sets transmitted illumination conditions according to a process performed on read data, and controls each of the transmitted bright-field illumination device and the transmitted dark-field illumination device according to transmitted illumination conditions.
Owner:FUJIFILM CORP

Needle guide devices and related methods

PendingUS20250262002A1DiagnosticsSurgical needlesTransmission illuminationNeedle guidance
A trans-illuminating needle guide device for guiding a needle into and illuminating an arteriovenous (AV) fistula in a subject includes: a housing comprising a base, a needle guide insert having a pair of opposing side walls defining a first angled slot, a second angled slot, and a plurality of grooves, a needle guide having a guide channel configured to receive the needle, a first deflectable plate configured to be received by the first angled slot and the plurality of grooves, and a second deflectable plate configured to be received by the second angled slot, a first plurality of light emitting diodes (LEDs) disposed within the housing and configured to emit light of a first wavelength, and a second plurality of LEDs disposed within the housing and configured to emit light of a second wavelength, the second wavelength differing from the first wavelength.
Owner:MAYO FOUNDATION FOR MEDICAL EDUCATION & RESEARCH