山下電装 List of Products and Services

The "YSS-T50A" is a high-performance solar simulator that uses two light sources (xenon lamp and halogen lamp) and has a spectrum that closely approximates sunlight without spikes in the infrared range. The standard spectral match is within ±10%. If you require a spectral match within 5% and grade MS (JIS C8942), it can be custom-made. 【Features】 ■ High spectral match accuracy ■ The irradiated spectrum does not change when adjusting illuminance ■ Easy maintenance during lamp replacement *For more details, please contact us or download the catalog.

• Light source/lighting
• Other measurement and measuring equipment

This product is a long-pulse solar simulator with a maximum light pulse width of 1 second. It is an ideal light source for high-precision evaluation and calibration of solar cell modules. Due to its long light pulse, it is suitable for measuring many solar cell modules. 【Features】 ■ Long light pulse width of up to 1 second ■ Grade AAA ■ Excellent illuminance distribution, adjustable within ±1% of illuminance distribution *For more details, please contact us or download the catalog.

• Light source/lighting
• Other measurement and measuring equipment

This product is a solar simulator for module evaluation that emits highly parallel light upward. It is suitable for measuring solar cell modules that could not be measured with conventional solar simulators using diffused light. (Related patent application filed) 【Features】 ■ Emits highly parallel light ■ Ideal for measuring solar cell modules *For more details, please contact us or download the catalog.

• Light source/lighting
• Other measurement and measuring equipment

This product is a solar simulator that performs IV measurements through short pulse emission. It is a light source suitable for production lines. Thanks to its unique optical system, the spectral match from the ultraviolet to the visible light range is particularly high, and there is almost no spectral error depending on the irradiation area. The long-life lamp and easy maintenance during lamp replacement significantly reduce running costs. 【Features】 ■ Emission interval as short as 500 msec ■ Ideal product for production lines *For more details, please contact us or download the catalog.

• Light source/lighting
• Other measurement and measuring equipment

This product is a solar simulator with a structure that is optimal for introduction on production lines. It will be manufactured to specifications suitable for each solar cell module. It is also an ideal light source for research and development evaluations that require high-precision measurements. Thanks to its unique optical system, the spectral matching in the ultraviolet to visible light range is particularly high, and there is almost no spectral error depending on the irradiation location. 【Features】 ■ AAA grade performance ■ Good spectral matching and distribution ■ Significant reduction in running costs ■ Short emission intervals ■ High light reproducibility *For more details, please contact us or download the catalog.

• Light source/lighting

This catalog is the product catalog of Yamashita Densou Co., Ltd., which mainly develops light source equipment such as solar simulators that produce light similar to natural sunlight and ultraviolet irradiation devices that emit ultraviolet light. It includes various solar simulators, such as the "Middle Pulse Solar Simulator" and the "Multi-Flash Solar Simulator," which have structures optimal for implementation in production lines. [Contents] ■ Solar Simulator for Module Evaluation - Product Overview *For more details, please contact us or download the catalog.

• Light source/lighting

This product can achieve high irradiation intensity through a concentrating lens and is also compatible with variable illuminance. By utilizing a concentrating lens unit, it is possible to use both concentration and 1SUN with a single device. It is ideal for research and development and evaluation of concentrating solar cells. Additionally, the irradiation intensity can be customized to your specifications. 【Features】 ■ Irradiation intensity can be customized to your specifications ■ Continuous variable irradiation intensity, finely adjustable ■ Combination use of concentrating and 1SUN is possible ■ High solar type with parallel light can also be manufactured ■ High spectral match with the reference sunlight for concentration *For more details, please contact us or download the catalog.

• Light source/lighting

Using a high-pressure xenon lamp as the light source, we irradiate the measurement sample with light at an illuminance of 1 SUN, approximating the spectral distribution of sunlight (AM1.5G). We support research and development of solar cells with light that closely resembles sunlight. With advanced optical technology, we meet our customers' needs. We offer various solar simulators tailored to different applications. 【Features】 ■ Spectral matching accuracy within ±5% to ±15% ■ Excellent irradiance distribution and light stability ■ Superior maintainability with high reproducibility of performance before and after lamp replacement *For more details, please contact us or download the catalog.

• Light source/lighting

This product is the optimal light source for evaluating various types of solar cell modules. We provide highly accurate and reliable data for research purposes and evaluation on manufacturing lines. Thanks to our unique optical system, the spectral matching from the ultraviolet to visible light range is particularly high, with almost no spectral deviation at the irradiation points. 【Features】 ■ High spectral matching ■ AAA-grade device performance ■ Good maintainability ■ Reduced running costs ■ High light reproducibility *For more details, please contact us or download the catalog.

• Light source/lighting

This product is a high-performance solar simulator that uses two light sources (xenon lamp and halogen lamp) to achieve a spectrum closely resembling sunlight without spikes in the infrared region. It boasts an extremely high spectral matching accuracy. There is no change in the irradiation spectrum during illuminance adjustment. Additionally, maintenance during lamp replacement is easy, and high light reproducibility is maintained even after lamp replacement. 【Features】 ■ Grade AAA according to JIS C8912, C8933, C8942, IEC/EN.60904-9, ASTM-E927 standards ■ The spectral matching accuracy of standard products is within ±10% ■ For a spectral matching accuracy within 5% and grade MS (JIS C8942), custom production is available upon request. *For more details, please contact us or download the catalog.

• Light source/lighting

We provide the optimal light source for evaluating various types of solar cell modules. It can be used for high-precision and reliable measurements as a module tester for research and development purposes as well as production lines! 【Product Lineup】 ● Middle Pulse Solar Simulator ● Multi-Flash Solar Simulator ● High Parallel Light Solar Simulator for Module Evaluation ● Long Pulse Solar Simulator ● For more details, please contact us or refer to the catalog.

• Ultraviolet irradiation equipment

The focusing lens allows for irradiation at high intensity and is also compatible with variable illuminance. The irradiation intensity can be customized according to your preferences.

• Solar power generator
• Other lighting equipment

It is a high-performance solar simulator that uses two light sources (a xenon lamp and a halogen lamp) to achieve a spectrum closely resembling sunlight, eliminating spikes in the infrared region.

• Solar power generator
• Other lighting equipment

Energy-saving, long-life lamps reduce running costs, have good maintainability, and are optimal module evaluation devices for production lines.

• Solar power generator
• Other lighting equipment

Using a high-pressure xenon lamp as the light source, we irradiate the sample with light at an illuminance of 1 SUN, approximating the spectral distribution of sunlight received on the ground (AM1.5G).

• Solar power generator
• Other lighting equipment

Using a high-pressure xenon lamp as the light source, we irradiate the measurement sample with light at an illuminance of 1 SUN, with a spectral distribution approximating sunlight received on the ground (AM1.5G).

• 3D Printer
• Microscope
• Other optical parts

【Features】 ○ A light source device that uses a mercury-xenon lamp as the light source, and by employing a UV cold mirror and optical integrator, selectively irradiates only uniform polarized light with excellent consistency. ○ Emits polarized light with a extinction ratio of 50:1 or higher. ○ By attaching a high-transmittance interference filter, it is possible to select the irradiation wavelength. ○ Capable of accommodating desired irradiation area and intensity.

• Ultraviolet irradiation equipment

【Features】 ○ The lamp uses a high-output mercury xenon lamp, and since infrared rays are cut, it does not cause harm to the irradiated object from infrared radiation. ○ The optical axis adjustment for lamp replacement can be performed externally without lighting the lamp. ○ The elliptical mirror uses a UV multilayer film coating, which minimizes infrared radiation. ○ By using a wavelength selection filter (optional), it is possible to select the irradiation wavelength. ○ By using a uniform exposure lens unit (optional), it can be converted into a UV exposure light source.

• Ultraviolet irradiation equipment

It is optimal as a module tester for solar cell module production lines. With energy-saving, long-life lamps, it reduces running costs and offers good maintainability, making it an ideal module evaluation device for production lines.

• Other processing machines
• Microscope
• Optical Experimental Parts

A concentrated solar simulator that can achieve high irradiation intensity using a concentrating lens and is also capable of variable illuminance.

• Ultraviolet irradiation equipment

A solar simulator with excellent illuminance distribution and stability for calibration and evaluation of solar cell modules.

• Ultraviolet irradiation equipment
• Image Processing Equipment

A high-performance solar simulator that uses two light sources (xenon lamp and halogen lamp) and has a spectrum closely resembling sunlight with the infrared spikes eliminated.

• Ultraviolet irradiation equipment

A solar simulator that maintains a constant temperature for the measurement samples in the temperature-controlled chamber, allowing for more precise research and development.

• Image Processing Equipment
• Thermostatic chamber

A device that applies the principles of the ancient magic mirror to instantly inspect the surface condition of a mirror-like planar substrate with ultra-high sensitivity.

• Image Processing Equipment
• Defect Inspection Equipment