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October 12, 2005 in Social Responsibility News

SAMSUNG Electronics Develops World’s Largest (32”) LCD Panel Without a Color Filter

Seoul, Korea, October 12, 2005 : Samsung Electronics,
the leading manufacturer of LCD panels, announced development of the largest
thin-film transistor liquid crystal display (TFT LCD) panel that does
not require the use of a color filter. The new filter-less 32-inch TFT-LCD
for TV applications will be unveiled at FPD (Flat Panel Display) International
2005, which opens in Yokohama, Japan on October 19.

Samsung’s new LCD panel employs a sequential color processing method that
rapidly determines accurate color tones based on how long red, green and
blue lights are emitted from the LED backlight. Pixels are not spatially
arranged throughout the LCD, eliminating the need for a color filter.
Conventional LCDs require both a cold cathode fluorescent (CCFL) backlight
and a color filter to separate the white light emitted by the backlight
into red, green and blue (RGB) sub-pixels.

Seongsik Shin, vice president of the Samsung Electronics LCD R&D Center
said, “With the independent development of the color filter-less LCD,
Samsung is able to produce the highest quality LCD panels at a lower cost.
This further improves our market leadership position for high-definition
LCD TVs of 32”, 40” and 46” industry-standard screen sizes.” He added,
“The new technology will reduce the investment cost for new facilities,
shorten production process times and increase production yields, boosting
Samsung’s performance and cost competitiveness in the LCD TV market.”

To achieve the “sequential” display, Samsung Electronics’ LCD R&D
team used a novel RGB-emitting LED backlight. By combining the RGB light
emissions from the backlight in precise sequences, the new LCD panel provides
color saturation that is 110% of the NTSC standard, while the aperture
ratio is an exceptionally high 78% for television with brightness at 500nit.
Moreover, the new display panel consumes only 82 watts, just 60% of the
power needed by a conventional 500nit CCFL backlight. In addition, its
response time is 5ms or faster, making it ideally suited for multimedia
and video applications where accurate color reproduction is required.
Samsung developed its first LED backlight unit (BLU) in 2004 and completed
low-power 40” and 46” versions using this BLU the same year. The breakthrough
development of a 32” LCD without color filter reasserts the company’s
leadership in the LCD industry.
Mass production of 32-inch panels without color filters is scheduled
to begin in the second half of 2006.




Color Saturation

110% (NTSC)

Response Time


Power Consumption




Aperture Ratio


Contrast Ratio


About Samsung Electronics

Samsung Electronics Co., Ltd. is a global leader in semiconductor,
telecommunication, digital media and digital convergence technologies
with 2004 parent company sales of US$55.2 billion and net income of US$10.3
billion. Employing approximately 123,000 people in 93 offices in 48 countries,
the company consists of five main business units: Digital Appliance Business,
Digital Media Business, LCD Business, Semiconductor Business and Telecommunication
Network Business. Recognized as one of the fastest growing brands, Samsung
Electronics is the world's largest producer of color monitors, color TVs,
memory chips and TFT-LCDs. For more information, please visit www.samsung.com

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