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The Readability of Various Color Vacuum Fluorescent Displays Under High Brightness Ambient Conditions
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English
Abstract
The evaluation was made on phosphors of seven different colors in current use under high brightness ambient conditions. As the result, the use of an appropriate filter (e.g. Neutral Density Filter of 3.4% transmittance) allows the 3-digit numbers in the display of about 400cd/m2 to be read correctly under an ambient illuminance of 50,000 lx, regardless of colors used. On the contrary, when a filter of high transmittance, such as Neutral Density Filter of 10%, is used, the required display luminance in the same ambient differs depending on phosphors; 300cd/m2 for reddish orange to 1,600cd/m2 for greenish yellow.
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Citation
Mizohata, T., "The Readability of Various Color Vacuum Fluorescent Displays Under High Brightness Ambient Conditions," SAE Technical Paper 890284, 1989, https://doi.org/10.4271/890284.Also In
Automotive Information Systems and Electronic Displays-Recent Developments
Number: SP-0770; Published: 1989-02-01
Number: SP-0770; Published: 1989-02-01
References
- Yamaguchi T. Kishino T. “Visual Recognition of Vacuum Fluorescent Displays under Sunlight Conditions” SAE Technical Paper, 820013 February 1982
- Kimura K. et al “Visibility Requirements for Automobile CRT Displays - Colors, Contrast, and Luminance” SAE Technical Paper, 880218 February 1988
- Ishii I. “Comparison of Visual Recognition Time of Analogue and Digital Displays in Automobiles” SAE Technical Paper, 800354 February 1980