sábado , febrero 24 2018
Home / Actualidad / Instrumentación / ROHM Introduces New Brightness (Color) Sensor Optimized for Smartphones Industryleading* infrared cutoff function provides greater enclosure design flexibility

ROHM Introduces New Brightness (Color) Sensor Optimized for Smartphones Industryleading* infrared cutoff function provides greater enclosure design flexibility

ROHM has recently announced the development of a color sensor for display-equipped devices such as smartphones and tablets capable of detecting the color temperature, brightness, and RGB components of ambient light.

The BH1745NUC leverages original infrared removal technology and computing methods to achieve the industry’s highest* infrared cutoff characteristics, reducing the effects of infrared rays by over 10x compared with conventional products. This enables compatibility with dark (low permeability) optical windows – unlike conventional color sensors that cannot provide accurate detection due to the effects of infrared interference when dark windows are used.

In recent years a greater number of smartphones, tablets, and other display-equipped devices have begun to integrate color sensors in order to analyze the RGB components of ambient light for display image adjustment or perform backlight dimming based on the surrounding brightness levels.

However, the design trend in many smartphones and portable devices is to adopt dark optical windows, which although are more stylish make it difficult to precisely detect colors, since less visible light gets through and the light that does permeate gets mixed in with IR rays.

In response, ROHM takes advantage of optical sensor expertise cultivated over many years, including original infrared removal technology and proprietary computing methods, to develop a color sensor that provides unmatched performance – even with dark optical windows.

Key Features

Compatibility with dark optical windows provides greater design flexibility. Industry-leading infrared cutoff characteristics reduce the effects of IR rays by more than 10x compared with conventional products. This provides greater design freedom by enabling support for even dark optical windows. ROHM’s new color sensor is capable of filtering only the spectrum of visible light in order to perform more accurate brightness and color temperature calculations based on ambient conditions.



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