Dynamic Evaluation Light Source "VLB-3020LWTB-90DB31"
Independent surface light source for 2 screens
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
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basic information
【Specifications (Excerpt)】 ■Model: VLB-3020LWTB-90DB31 ■Luminance Range [cd/m2] ・High Luminance Side: 2000 - 11000 ・Low Luminance Side: 0.3 - 2.0 ■Luminance Area (WxH) [mm]: 300 x 200 ■Luminance Uniformity [%]: 10% or less ■Correlated Color Temperature [K]: 3100 ± 100 ■Light Source: LED ■Lighting Method: DC lighting method (non-flicker) ■Functions ・Luminance adjustment ・LED off function ・External communication control, etc. *For more details, please refer to the PDF document or feel free to contact us.
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Applications/Examples of results
For the evaluation of dynamic range of smartphones, digital cameras, video cameras, surveillance cameras, etc. *For more details, please refer to the PDF document or feel free to contact us.
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Company information
For more than half a century, Tsubosaka Electric has specialized in the development and manufacturing of precision inspection equipment for cameras, serving clients both in Japan and internationally. Our measuring instruments have played a vital role in enhancing camera quality since the days of film cameras, supporting camera manufacturers in their production and inspection processes. We offer a comprehensive lineup of inspection and measurement solutions, including: evaluation stable light sources (luminance boxes), shutter testers, electronic collimators, aperture area meters, lens testers, and strobe testers, etc. From hardware design to software development, our products are developed entirely in-house to ensure seamless integration and top-tier performance. Recognized for our manufacturing excellence, we are ISO 9001 certified and trusted by major camera manufacturers worldwide. Our expertise also extends beyond the camera industry, and we also can develop optical measuring instrument for advanced medical devices and autonomous driving where they use proprietary optical sensing technology. Additionally, our contrast testers used to measure the contrast values of resist inks in LCD color filters that are contributing to the advancement of high-definition and high-contrast TVs and monitors across the globe. At Tsubosaka Electric, we pride ourselves on flexibility and innovation. We offer a wide range of customizable measurement solutions and are happy to accommodate special orders tailored to your specific requirements. Please feel free to consult with us.
![[Demo unit available for loan] PWM lighting method LED lighting, various ring types](https://image.mono.ipros.com/public/product/image/5ab/2000498637/IPROS76906912104758382687.jpeg?w=280&h=280)
![Various small controllers for LED lighting [PWM/constant current/low voltage]](https://image.mono.ipros.com/public/product/image/c78/2000500240/IPROS15921739329739397088.jpeg?w=280&h=280)
