TAOS, Inc. Announces Industry's Smallest RGB Digital Color Light Sensors with Infrared-Blocking Filter

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Date Announced: 06 Oct 2008

New TAOS Digital Color Light Sensors Provide a Means for Deriving
Color Temperature and Chromaticity Coordinates to Manage LCD
Display Backlighting

Texas Advanced Optoelectronic Solutions, Inc. (TAOS) today
announced the industry's smallest RGB Digital Color Sensors. The
TCS3404 and TCS3414 Digital Color Light Sensors with integrated
red, green and blue (RGB) filters can derive the color chromaticity
and illuminance (intensity) of ambient light with 16-bits of
resolution for managing light-emitting diode (LED) and Cold Cathode
Fluorescent Lamp (CCFL) display backlighting. Applications that
will benefit from these capabilities include televisions, industrial
and commercial signage, architectural lighting, and
embedded display calibration.

The TCS3404 and TCS3414 devices can help white-color balance a
display panel or captured image in diverse lighting conditions and
manage RGB LED backlighting to maintain color consistency over an
extended period of time. They can also be used to automatically
adjust the display brightness of a backlight to extend the
battery life, increase lamp life, and provide optimum viewing in
diverse lighting conditions.

Both devices are packaged in a six-lead chipscale package, providing
a very small footprint that measures 2.095 mm by 1.875 mm with a
height of only 0.685 mm. Moreover, the chipscale package includes
an internal infrared-blocking filter that eliminates the error
resulting from the infrared spectral component of the light
source while measuring light intensity and color as the human
eye sees it without the need for an external filter. Additionally,
the patent pending in-package trim capability minimizes
device-to-device and system-to-system tolerance allowing very
precise repeatability to be attained.

The TCS3404 and TCS3414 automatically eliminate signal fluctuation
resulting from AC lighting flicker without an external capacitor.
Programmable analog gain and integration time support a dynamic
range of 1,000,000-to-1 in the TCS3404 and TCS3414. A
synchronization input provides precise external control of the
sensor's integration cycle allowing the internal conversion cycles
to be synchronized to a pulsed or pulse-width-modulated light source.
The synchronization mode can either be internally timed or
externally timed. The manual timing control feature can be used
to manually start and stop the integration time period. The device
can support free-running and serial-bus-controlled integration
modes.

"Today's announcement of the industry's smallest integrated RGB color
sensors with a digital interface underscores the continuing TAOS
commitment to provide world class leadership in three key
technologies: light sensing, color sensing and packaging," said Carlo Strippoli, Vice President of Marketing and Sales for TAOS.
"At TAOS, one of our goals is to combine these three technologies
in products that will further enable the optoelectronics market
to realize its full potential."

The TCS3404 and TCS3414 have a wide operating temperature range
of -40 degrees Celsius to 85 degrees Celsius and provide a
16-bit digital output iwth SMBus (TCS3404) at 100 KHz or I2C
)TCS3414) at 400 KHz. Pricing for the TCS3404 and TCS3414 is
$2.29 in quantities of 1,000 pieces. More information on these
devices and other TAOS products can be found at:
http://www.taosinc.com/product_detail.asp?cateid=4&proid=68.

Contact
Martha Jane Brounoff, Principal Brounoff Communications (Marketing Communications Representative for TAOS, Inc.) Phone: 315-682-1609 Fax: 315-682-7167 Cell: 315-289-5569 Email: broucomm@twcny.rr.com

E-mail:broucomm@twcny.rr.com

Web Site:www.taosinc.com

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