Tsubosaka Electric Co., Ltd. Product Lineup

In the textile industry, evaluating dye fastness is crucial to ensure product quality. It is particularly important to accurately measure color changes under various conditions, such as lightfastness and washfastness. Traditional measurement methods could be affected by changes in temperature and humidity in the measurement environment. Our silicone-coated integrating sphere and white standard plate are resistant to water and temperature changes, enabling measurements in a constant temperature and humidity environment, which allows for a more accurate evaluation of dye fastness. 【Application Scenarios】 - Dye fastness testing - Lightfastness testing - Washfastness testing 【Benefits of Implementation】 - Stable measurements in a constant temperature and humidity environment - Accurate evaluation of dye fastness - Improvement in product quality

• Testing Equipment and Devices
• Thermostatic chamber
• Other lighting equipment

In the display industry, accurate measurement is required for product color evaluation. Especially in environments susceptible to the effects of temperature and humidity, stable performance is crucial. Inadequate measurements can lead to errors in product color reproduction and delays in quality assessment. Our silicone-coated integrating sphere and white standard plate are resistant to water and temperature changes, making them suitable for use in constant temperature and humidity environments. This enables stable color evaluation and contributes to the improvement of product quality. 【Usage Scenarios】 - Color evaluation of displays - Measurement in constant temperature and humidity environments - Quality control 【Benefits of Implementation】 - Stable color evaluation - Long-term performance maintenance - Cost reduction

• Testing Equipment and Devices
• Thermostatic chamber
• Other lighting equipment

In sensitivity testing within the camera industry, stable light levels and uniform illumination are required. Particularly in tests conducted in environments susceptible to changes in temperature and humidity, it is crucial to ensure the reliability of measurement results. Traditional integrating spheres are vulnerable to temperature changes and humidity, which can affect test results. Our silicone-coated integrating sphere and white standard plate are coated with a highly reflective white silicone that is resistant to water and temperature changes, providing a stable measurement environment. 【Usage Scenarios】 - Camera sensitivity testing - Lens light measurement - Evaluation of various optical components 【Benefits of Implementation】 - Stable measurements in a constant temperature and humidity environment - Long-term use due to high durability - Cost-effective implementation compared to barium sulfate-coated products

• Testing Equipment and Devices
• Thermostatic chamber
• Other lighting equipment

In the lighting industry, accurate light measurement is required for luminous flux measurement. Especially in environments that are susceptible to temperature changes and humidity, the stability of the measuring instrument is crucial. Conventional integrating spheres are weak against temperature and humidity changes, which can affect measurement results. Our silicone-coated integrating sphere and white standard plate are resistant to water and temperature changes, making them suitable for use in constant temperature and humidity environments. 【Usage Scenarios】 - Measurement of luminous flux of lighting fixtures - Measurement of luminous flux of LEDs - Measurement of luminous flux of various light sources 【Benefits of Implementation】 - Achieving stable measurement results - Capability for measurement in constant temperature and humidity environments - Simplification of management

• Testing Equipment and Devices
• Thermostatic chamber
• Other lighting equipment

In the electronics industry, color reproduction of products is a crucial factor that influences customer satisfaction. Particularly for devices such as displays and cameras, accurate color representation is required. However, in environments susceptible to temperature changes and humidity, measurement results can be affected by errors, making accurate color evaluation difficult. Our silicone-coated integrating sphere and white standard plate are resistant to water and temperature changes, allowing for use in constant temperature and humidity environments. This enables stable measurement results and contributes to the improvement of product color reproduction. 【Usage Scenarios】 - Color evaluation of displays - Color calibration of cameras - Evaluation of various sensors - Research and development 【Benefits of Implementation】 - Stable measurements in constant temperature and humidity environments - Improved product quality through accurate color evaluation - Cost reduction

• Testing Equipment and Devices
• Thermostatic chamber
• Other lighting equipment

In the automotive industry, durability evaluation under various environmental conditions is essential to ensure product quality and safety. Particularly for components exposed to high temperature and humidity or temperature fluctuations, maintaining performance is crucial. Conventional integrating spheres are sensitive to temperature changes and humidity, which limits their evaluation capabilities. Our silicone-coated integrating sphere and white standard plate are coated with high-reflectivity white silicone that is resistant to water and temperature changes, enabling durability evaluation in harsh environments. 【Application Scenarios】 - Lightfastness testing of automotive parts - Brightness measurement of in-vehicle displays - Luminous intensity measurement of headlights 【Benefits of Implementation】 - Stable measurements in constant temperature and humidity environments - Realization of long-term performance evaluation - Reduction of testing costs

• Testing Equipment and Devices
• Thermostatic chamber
• Other lighting equipment

In the aviation industry, ensuring safety is paramount, and the visibility of the cockpit and instruments is extremely important. When it is difficult to evaluate visibility under sunlight, challenges arise in the assessment. Our pseudo-sunlight lighting reproduces an environment close to natural sunlight indoors, enabling visibility evaluation. 【Application Scenarios】 - Visibility evaluation of instruments in the cockpit - Scratch inspection of aircraft interior components - Evaluation of paint colors 【Benefits of Implementation】 - Provides a stable evaluation environment unaffected by weather - Reduces evaluation time - Improves evaluation accuracy

• Optical Experimental Parts

With the multi-wavelength LED and high color rendering LED, it is possible to emit light at any spectrum by combining the luminous intensity of each LED. Additionally, the radiation energy intensity of the visible spectrum wavelengths can be adjusted and programmed using the included PC software.

• Other lighting equipment

The "VLB-3020LWTB-90DB31" is a light source with two brightness surfaces. It complies with JEITA TTR4605C. - Combines high brightness and low brightness into one unit - Achieves a maximum brightness difference of 90dB

• Lighting for image processing

【Features】 - Reproduces any brightness - High brightness uniformity of 95% - Energy available up to the near-infrared range *For more details, please refer to the PDF document or feel free to contact us.

• Other machine elements

This is a luminance meter primarily used to measure the wavelength of infrared light sources. Measurements are taken by placing the light-receiving part on the surface of light source. The backlight display and measurement result hold function improve work efficiency. It also supports external communication and allows for data output (USB compliant). Additionally, it can be powered by either two AA batteries for portability or an AC adapter. It is a compact and lightweight measuring device weighing approximately 300g. It can be used for auto-calibration (self-calibration) with our company's light source box. Furthermore, it has the capability to correct differences compared to other companies' luminance meters.

• Lighting for image processing
• Other measurement, recording and measuring instruments

Currently, the near-infrared (including SWIR) region is being used not only for single-wavelength camera inspections such as surveillance cameras, liquid level detection, and non-destructive testing, but also for image processing combined with the visible range and cameras that utilize a wide wavelength band, such as hyperspectral cameras. Our company is developing measuring instruments for near-infrared lenses targeting up to 2000nm. We will repurpose the product technology established in the visible range. The following products are scheduled to be exhibited at OPIE: "Measurement of the focal position from the lens flange surface" "Measurement of the lens aperture from the light intensity ratio" "Measurement of the peripheral light intensity ratio" "A programmable light source that can illuminate at a specific wavelength or across a wide band" 【Exhibition Name】OPIE'25 【Date】April 23 (Wed) - 25 (Fri), 2025, 10:00 - 17:00 【Location】Pacifico Yokohama 【Booth Number】O-04 【URL】https://www.opie.jp/

• Optical Measuring Instruments

This device measures the aperture diameter area of cameras and interchangeable lenses. - Aperture diameter at the time of synchronizing contacts - Maximum aperture diameter at the time of shutter release - Open aperture diameter - Aperture diameter at the start timing of aperture operation synchronization It displays the amount of aperture error (●EV) compared to the reference diameter as measurement results. The SENS sensitivity, which can be calibrated and registered using a standard lens or reference camera, has four series and supports measurements for zoom lenses and others. The measurement unit can be installed both vertically and horizontally (the angle position of the display unit can be adjusted). It allows posture difference measurements with two types of optical axes depending on the installation method. Equipped with a communication interface (RS-232C). It enables external output of measurement data and external control of the tester.

• lens
• Other measurement, recording and measuring instruments
• lens

This series is a light source device that uses near-infrared LEDs. We offer light source that is ideal for high diffuse light or evaluations such as with cameras, as well as a lighting type for illuminating objects. By incorporating a microcontroller, it can support external communication control. Applicable models: VLB-4IR series SOL-300IR series Multiple selectable wavelengths are available, and we also accommodate custom requests. Products in the SWIR range are also available.

• Other lighting equipment

This series is a light source device that uses near-infrared LEDs. We offer a light source that is ideal for high diffuse light or evaluations with cameras, as well as a lighting type for illuminating objects. By incorporating a microcontroller, it can support external communication control. Applicable models: VLB-4IR series SOL-300IR series Multiple selectable wavelengths are available, and we also accommodate custom requests. Products in the SWIR range are also available.

• Other lighting equipment

This is a system that can measure the MTF, which shows the spatial resolution characteristics of a camera, in real-time and simultaneously from multiple directions. It analyzes the input edge images and is suitable for evaluating the resolution characteristics of the entire imaging system, from the lens to the camera's signal processing. It also supports high-resolution images such as 8K and 4K.

• Other inspection equipment and devices

This is a diffusion surface light source that guarantees brightness (luminance), uniformity within the emission surface, and color tone (color temperature). The "Model: LSB-1010 series" allows for significant variations in luminance and color temperature, with high adjustment resolution. The "Model: VLB-10, 1411, 3020 series" has a compact housing size and can accommodate large emission surfaces. These can be used for development research purposes, production lines, and equipment integration. Regarding wavelength, there are high color rendering white LEDs with smooth spectral changes, and models that support near-ultraviolet and near-infrared up to 2000nm are also available.

• Lighting for image processing

The world's first! ※1 A near-infrared light source with adjustable intensity The variable intensity range is up to 65,000 times Equipped with a user-friendly keypad and color LCD ※1 Based on our research as of October 1, 2022

• Other lighting equipment

This is an exposure device that uses a 2kW ultra-high pressure mercury lamp. It can be controlled from dedicated PC software, and it is also capable of adjusting the mask flatness and the gap with the glass. This is the exposure printing equipment with the guaranteed parallelism. 2kW extra-high pressure mercury lamp is equipped. It can be controlled with the designated PC software and the shutter controller. It can adjust a gap to the glass and flatten the photomask. It can expose lights with sophisticated patterns. We can customize the size of photomask or other features.

• Other processing machines

This is a spectral reproduction light source using four types of white LEDs with different color temperatures and 26 types of monochromatic LEDs. It has built-in spectral properties, allowing for the measurement of current brightness, color, and spectrum, and it is also capable of reproducing spectra from data created in CSV format.

• Other lighting equipment

Measuring the illuminance of the image plane for various lenses Data acquisition via PC Custom-made lenses for your applications, ranging from DSLR camera lenses to lenses for mobile phones and smartphones.

• Image Processing Equipment
• Microscope
• lens

The "UVL-3" is a tabletop UV exposure device. It allows for easy exposure curing primarily in photolithography processes using glass substrates and the like. Equipped with a color LCD and a directional pad, it accurately controls the exposure time. 【Features】 ■ A simple exposure curing device for photolithography processes ■ Space-saving design as it is a tabletop and integrated unit ■ Equipped with a microcontroller for precise control of exposure time *For more details, please refer to the PDF document or feel free to contact us.

• Ultraviolet irradiation equipment
• Other lighting equipment

This device is a luminance meter primarily used to measure the brightness of surface. Measurements are taken by placing the light-receiving part against the lighting surface. Luminance measurement and unit switching can be externally controlled via UART through a virtual COM port. As a standard model, the delivery time is within one week. The backlight display and measurement result hold function improve work efficiency. It also supports external communication and data output (USB compliant). Additionally, it can be powered by batteries (two AA batteries) for portability or an AC adapter. It is a compact and lightweight measuring instrument weighing about 300 grams. It can be used with our luminance box for auto-calibration (self-calibration). Furthermore, it has the capability to correct differences compared to other manufacturers' luminance meters.

• Lighting for image processing
• Other measurement, recording and measuring instruments

The "VLB-10FBW2-CRI" is a viewer light source that uses ultra-high color rendering LEDs with a switchable Ra97 in two colors. External control can be performed via UART through a virtual COM port for functions such as turning off and adjusting brightness. It emits a consistently stable brightness through automatic correction with an internal sensor. It can be easily controlled with dedicated PC control software. Additionally, connecting to a luminance meter (sold separately) allows for easy luminance registration. 【Features】 ■ Switchable between two color temperatures ■ Constantly stable brightness values due to brightness FB control function ■ Brightness switching and registration settings available ■ Supports low brightness ■ Uses high color rendering LEDs with Ra = 97 *For more details, please refer to the PDF document or feel free to contact us.

• Other lighting equipment

The "1-axis vibration table V100" is a compact vibration table suitable for evaluating the vibrations of cameras and sensors. It was initially developed and launched for use in evaluating hand-shake in consumer digital cameras. Despite being a single-axis device, its small size allows developers to conduct simple tests on their desks. The load capacity is 1000g for the V100 and 500g for the V50. 【Features (excerpt)】 ■ Easy to change settings ■ Reproduces vibrations in one axis ■ Supports various vibration conditions with a single unit ■ Switch operation that can be used intuitively ■ Simple structure and compact housing *For more details, please refer to the PDF document or feel free to contact us.

• Vibration Testing

Pseudo sunlight lighting that ensures color reproduction close to sunlight. We will recreate the environment evaluated through fieldwork indoors. We offer lighting that can reproduce 100,000 lux and lighting with adjustable color temperatures, which can be used for visibility assessments in strong sunlight, product scratch inspections, and comparisons with paint color master samples. Additionally, we have equipment that can recreate environments of 5000K / over 2500 lux for evaluating photographic paper. We can customize the equipment according to the irradiation target, including the addition of near-infrared energy and changes to the light-emitting mechanism. We also have rental units available for some models, so please feel free to consult with us.

• Optical Experimental Parts

Using the luminance meter: LC-5 and the luminance box: LSB-1010FBW-CRI as examples, I will explain the auto-calibration function.

• Other lighting equipment

Enter any brightness value into the brightness box. It was measured with an external light meter to express its accuracy.

• Other lighting equipment

This series is a light source device that uses near-infrared LEDs. We offer a surface light source type that is ideal for high diffuse light or evaluations with cameras, as well as a lighting type for illuminating objects. By incorporating a microcontroller, it can support external communication control. Applicable models: VLB-4IR series SOL-300IR series We provide multiple selectable wavelengths and can accommodate custom requests. Products in the SWIR range are also available.

• Other lighting equipment

This series is a light source device that uses near-infrared LEDs. We offer a surface light source type that is ideal for high diffusion light or evaluations such as with cameras, as well as a lighting type for illuminating objects. By incorporating a microcontroller, it can support external communication control. Applicable models: VLB-4IR series SOL-300IR series Multiple selectable wavelengths are available, and we also accommodate custom requests. Products in the SWIR range are also available.

• Other lighting equipment

The "SOL-900-06IR85/94" is a lighting system that boasts near-infrared intensity at the level of 100,000 lx in the visible spectrum. It only emits energy in the near-infrared range. By overlapping with separately sold visible lighting in the irradiation area, it reproduces the visible + NIR range. External control via serial communication is also possible. 【Features】 - Combines with visible lighting to approximate sunlight - Reproduces the visible + NIR range by overlapping the visible and irradiation areas - Emits at an intensity equivalent to 100,000 lx in the visible spectrum - External control via serial communication is possible *For more details, please refer to the PDF document or feel free to contact us.

• Other lighting equipment
• Other inspection equipment and devices
• LED lighting

The "SOL-900-06IR85/94" is a lighting system that boasts near-infrared intensity in the visible range of 100,000 lx. It emits energy only in the near-infrared region. By overlapping the irradiation area with separately sold visible lighting, it reproduces the visible + NIR range. External control via serial communication is also possible. 【Features】 - Combines with visible lighting to approximate sunlight - Reproduces the visible + NIR range by overlapping the visible and irradiation areas - Emits at an intensity equivalent to 100,000 lx in the visible range - External control via serial communication is possible *For more details, please refer to the PDF document or feel free to contact us.

• Other lighting equipment
• Other inspection equipment and devices
• LED lighting

We have prepared the optical data for the LED surface light source LSB-1010FBW-CRI. 1: Spectral data at 8 brightness points (CSV format, 1nm pitch) 2: Radiant intensity, PPFD, and illuminance data at 8 brightness points Due to the size of the spectral data, please contact us via the inquiry form if you are interested.

• Other lighting equipment
• LED Module

The "LSB-1010FB-CRI" is a culmination of the technology we have developed so far and can be considered a standard brightness box. In addition to the high uniformity of brightness and high color rendering required for brightness boxes, it is also equipped with a user interface that allows for more intuitive operation. 【Features】 ■ Uses high color rendering LEDs Ra=97 ■ DC lighting with no flicker for high uniformity across the surface ■ Allows for arbitrary frequency lighting using pulse mode, reproducing lighting environments affected by voltage flicker ■ Brightness adjustment is possible ■ Two color temperature settings are available ■ Automatic brightness calibration ■ Numerous options and custom settings available *For more details, please contact us or download the PDF materials.

• Sensors
• Lighting for image processing

We would like to introduce the "Pseudo Sunlight Lighting" that Kosaka Electric handles, which is compatible with a wide range and high illuminance. It can accommodate distances further away, over a wider area, and with higher illuminance than our lighting device "SOL Series," which uses high color rendering LEDs. We manufacture custom lighting systems according to the irradiation distance, irradiation range, and required illuminance, and we also have a track record in the visible and near-infrared light spectrum. Please feel free to consult us when needed! 【Examples of Achievements】 This is used when you want to quantitatively reproduce the lighting environment under sunlight indoors. Examples: External light testing for installed devices like ATMs / Large chart irradiation / Automotive evaluation 【Specification Example-1】 ■ Irradiation Distance: 3 [m] ■ Irradiation Range: 0.5×0.5 [m] ■ Required Illuminance: 120,000 [lux] ■ Color Temperature: Around 6000K, 1 color *For other specification examples and details, please refer to the PDF document or feel free to contact us.

• Other lighting equipment
• Other lighting equipment

The "LSB-1010WCRI" is a light source box that can accommodate various inspection environments with its auxiliary functions such as pulse lighting, all in one unit. Recommended for those who develop and manage high-quality products in a short period. It widely supports customizations such as "expanding brightness range," "changing diffusion plates," "changing housing colors," and "creating control PC software." 【Features】 ■ Luminance change range: 16.5EV, equivalent to 92,000 times → 102dB ■ High luminance uniformity: 95% ■ Luminance feedback ■ Direct setting of any luminance ■ Uses high color rendering LED Ra=97 *For more details, please refer to the PDF materials or feel free to contact us.

• Other machine elements

The "LMx Series" is a product capable of measuring transmittance and reflectance. It is also possible to measure angular characteristics by varying multiple points or angles on the sample. If you want to obtain a large amount of data while changing the measurement points, the measurement labor can be significantly reduced. In addition, we offer a wide variety of light sources, including "color temperature," "luminance/illuminance," and "spectrum." Please contact us when you need assistance. 【Features】 ■ Systematization of measurement by combining a our luminance meter and light source ■ Custom manufacturing according to the measurement target ■ Measurement and display of transmittance and reflectance ■ Automation of multi-point measurements through an electric mechanism *For more details, please feel free to contact us.

• Optical Measuring Instruments
• Other measurement, recording and measuring instruments

The "ToF Evaluation System" consists of a near-infrared light source, a chart stand, a movable stage, and a dark room. The near-infrared lighting is independently controlled by wavelength and can be adjusted to your desired intensity balance. With four lamps (two each for 850nm and 940nm), it can provide IR irradiation equivalent to 100,000 Ix, achieving reduced irradiation unevenness through multiple lamps. 【Features】 ■ Supports reflectance at 850, 905, 940, and 1550nm ■ Available in sizes A4, A3, 300, 500, 600, and 1000 (only checkerboard pattern available up to size 900) ■ Achieves reduced irradiation unevenness through multiple lamps ■ Near-infrared lighting is independently controlled by wavelength ■ Can be adjusted to your desired intensity balance *For more details, please refer to the PDF document or feel free to contact us.

• Optical Measuring Instruments
• others

We would like to introduce our product, the "Dynamic Range Evaluation Light Source LSB-0303HDR-2415." The brightness difference is up to 150dB. Each brightness surface can be independently adjusted, and it supports a 16:9 aspect ratio size. Additionally, it uses Ra-95 LEDs that approximate sunlight, with a maximum brightness of 145,000 cd/m² on the high brightness side. 【Features】 ■ Brightness difference up to 150dB ■ Maximum brightness of 145,000 cd/m² on the high brightness side ■ Uses Ra-95 LEDs that approximate sunlight ■ Supports 16:9 aspect ratio size ■ Each brightness surface can be independently adjusted *For more details, please refer to the PDF document or feel free to contact us.

• Optical Measuring Instruments
• Spectroscopic Analysis Equipment
• others

The effective white surface is a white standard plate measuring 45cm x 35cm. It is coated with silicone, making it more cost-effective compared to barium sulfate coatings, and it is also suitable for temperature testing.

• Other optical parts

This is a product that encompasses the electric stage and its control. With the included PC software, you can teach the stop position, store positions, and recall them. We offer options such as additional axes and DLL provision. By combining this device with light sources and measuring instruments, it can be used for image sensor evaluation, FPD evaluation, and more.

• Other optical parts
• Other laboratory equipment and containers

【New Information】 In October 2020, we changed the model to improve operability! - Adoption of color LCD - Adoption of directional keys The 'LSB-1010FB-CRI' is a culmination of the technology we have developed so far and can be considered a standard brightness box. In addition to the high uniformity of brightness and high color rendering required for brightness boxes, it is also equipped with a user interface that allows for more intuitive operation. 【Features】 ■ Uses high color rendering LEDs Ra=97 ■ DC lighting with no flicker for high uniformity across the surface ■ Uses pulse mode for arbitrary frequency lighting and reproduction of illumination environments affected by voltage flicker ■ Brightness adjustment is possible ■ Two systems for color temperature settings are available ■ Automatic brightness calibration ■ Numerous options and custom settings available *For more details, please contact us or download the PDF materials.

• Sensors
• Lighting for image processing

This is an optical component painted with high-reflective white silicone instead of the usual barium sulfate coating. It is resistant to water and temperature changes, making it suitable for use in constant temperature and humidity evaluations. It can be handled similarly to general painted items, making management easy. Additionally, the painting costs have been reduced, allowing it to be obtained at about half the price compared to barium sulfate coated products. For the integrating sphere components, individual hemispherical parts are also available for sale. It has a price advantage over barium sulfate as well.

• Testing Equipment and Devices
• Thermostatic chamber
• Other lighting equipment

The materials used during the seminar are available for download. We will introduce the brightness box LSB-1010FBW-CRI, along with the higher model LSB-111WCRI and the compact VLB-10FBW2-CRI, using actual devices. The latter half of the video shows the operation of the actual devices.

• Other lighting equipment

For those using a luminance box for the first time and those considering it in the future, we have released a video explaining luminance, luminance uniformity, color temperature, and spectral characteristics.

• Other lighting equipment