We provide display quality analysis in accordance with the DFF automotive OEM workgroup Black MURA standard.
The black display unevenness (MURA) of automotive displays can be quantified, allowing for judgment inspections. In accordance with the Black MURA standards, the following tasks can be performed: 1. Comparison of the four corners at the center, 2. Resolution calculation, 3. Focus degree calculation, 4. Evaluation of uniformity and gradient characteristics. The measurement data (tristimulus values, chromaticity, etc.) obtained from the dedicated Black MURA menu is compatible with the measurement programs of the UA-10 series and UA-200 series, enabling display and detailed data verification within the measurement programs.
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basic information
- Uniformity and Gradient Characteristic Evaluation - Trimming the measurement area - Calculation of uniformity, gradient characteristics, and homogeneity - OK/NG judgment based on threshold comparison ❶ Luminance White Image ❷ Luminance Black Image ❸ Luminance Homogeneity White Image ❹ Luminance Homogeneity Black Image ❺ Gradient Absolute Value White Image ❻ Gradient Absolute Value Black Image ❼ Gradient Relative Value White Image/White Luminance Average ❽ Gradient Relative Value White Image/Black Luminance Average ❾ Gradient Relative Value Black Image/White Luminance Average ❿ Gradient Relative Value Black Image/Black Luminance Average - Capability to save measurement images in BMP and CSV formats - Ability to save report CSVs for [Central Four Corners]/[Resolution Calculation], [Focus Degree Quantification], and [Uniformity and Gradient Characteristic Evaluation] results
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Applications/Examples of results
Evaluation of unevenness in automotive displays (navigation panel).
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Company information
We, Techno Optics, pursue the infinite possibilities of "light" and provide optical measurement instruments for industries such as LED, FPD, automotive, and lighting as an integrated precision equipment company encompassing planning, development, and maintenance services. In recent years, we take pride in contributing to the business development of our customers with optical measurement instruments used for image evaluation in the rapidly growing smartphone market. Moving forward, we will continue to listen to our customers' voices and keep in mind the resolution of their challenges with our optical technology solutions, striving to accelerate new technology development and enhance after-sales service. Additionally, we at Techno Optics prioritize compliance, respect social ethics, reduce environmental impact, and engage in high-quality CSR activities to provide safe and high-quality products and services, and we look forward to your continued support.