July 29, 2004 in Social Responsibility News

SAMSUNG Electronics Introduces New Interface Standard for Large-Screen LCD Drivers

SEOUL, Korea - July 29, 2004 : Samsung Electronics Co. Ltd., a leader in advanced
silicon technology solutions, today announced a new interface standard for display driver ICs
for large-screen TFT-LCD panels. Samsung's new current-mode interface of cascade
chip-on-glass (COG)/chip-on-film (COF) (CICC) standard uses a new technology for data transfer
where the LCD driver IC (the source driver) is interfaced with the timing controller




Today, electromagnetic interference (EMI) is a growing issue in the LCD panel industry.
EMI is caused by the increased size in LCD monitors and TVs, the rapid advancement
in high-resolution pictures, a continuous surge in display data size and a rising number
of data bus lines to accelerate the data transmission speeds.




To address EMI, Samsung's CICC standard operates on a lower current swing method
(DI=200uA, DV£10mV) and adopts a serialized, cascade data transfer method that
allows data to directly flow between adjacent LCD driver ICs.




“Samsung will apply this new CICC standard to its own products while expanding its
use as an industry standard,” said vice president Jin-tae Kim of Display Driver Development Team,
System LSI Division, Samsung Electronics. “We are convinced that the CICC standard will be
widely adopted as a next-generation interface standard for large-screen TFT-LCD driver IC,
with its features benefiting LCD Panel makers.”




The data bus line can be halved from 18 lines to 9 in a 6-bit LCD driver IC
using the CICC standard, minimizing EMI and reducing power consumption
by 20 percent. In addition, the chip size of the timing controller can be decreased,
while the driver board can be simplified with the 50 percent reduction of peripheral parts.



Conventional interfaces such as reduced swing differential signaling (RSDS) and
transistor-transistor logic (TTL) can only be used for source driver ICs in film type packages,
such as tape carrier package (TCP) or COF. CICC can be applied, on the other hand,
with COG where the chip is attached directly on the LCD glass, as well as the COF package.




Samsung presented the CICC technology at the Society for Information Display (SID)
2004 in May 2004.




About Samsung Electronics


Samsung Electronics Co. Ltd. is a global leader in semiconductor, telecommunication,
digital media and digital convergence technologies with 2003 parent company sales
of US$36.4 billion and net income of US$5.0 billion. Employing approximately 88,000 people
in 89 offices in 46 countries, the company consists of six main business units:
Corporate Technology Operations, Digital Appliance Business, Digital Media Business,
LCD Business, Semiconductor Business and Telecommunication Network Business.
Recognized as one of the fastest growing global brands, Samsung Electronics
is the world's largest producer of color monitors, color TVs, memory chips,
TFT-LCDs and VCRs. For more information, visit www.samsung.com .


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