Hamamatsu Photonics has introduced the C9303 colour sensor module that has been specifically designed for use with the power monitor of RGB-LEDs. The C9303 sensor module, which features high photosensitivity, helps to limit optical feedback of the backlight to ensure that clear, crisp images are displayed on TFT LCDs.
Designed with a built-in RGB colour sensor, the C9303 has typical photosensitivity of -14 V/mW (at 620 nm) for red, -20 V/mW (at 540 nm) for green, and -18 V/mW (at 460 nm) for blue. This sensitivity perfectly matches the wavelengths of RGB-LEDs that are used as backlights for TFT LCDs. Three channel current-to-voltage amplifiers allow the C9303 to simultaneously output a three channel RGB signal. The C9303 has a rise time of 22 ms and a 16 kHz cutoff frequency. It also has a low current consumption of typically 1,5 mA.
Further enhancing the C9303's use in TFT LCD applications is the package design. Its 47 x 5 x 4 mm (Lx Wx H) size and overall configuration make it ideal for mounting directly on the LED light source. In addition to the standard models, Hamamatsu can design custom modules that meet specific package and RGB gain requirements.
Hamamatsu is a leading manufacturer of devices for generation and measurement of infrared, visible and ultraviolet light. Its products include photodiodes, photomultiplier tubes, scientific light sources, infrared detectors, photoconductive cells, and imaging devices. The company's products are used throughout the world in scientific, industrial and commercial applications.
For more information contact Hamamatsu, 011 802 5505, [email protected]
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