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Chrontel Announces DisplayPort Receiver with TCON IC Essential Function for Huge Notebook Market Will Begin Displacing LVDS
Developed as a replacement for the widely used LVDS standard, DisplayPort
handles video data transmissions between a computer’s CPU or graphics controller, across the hinge
to the LCD screen in a notebook or netbook computer. As screen resolutions increase, DisplayPort
offers performance capabilities that LVDS cannot match. The new Chrontel CH7507 satisfies DisplayPort
specification version 1.1a, and supports 1440x900 display resolutions with 8-bit color depth,
and 1680x1050 resolutions with 6-bit color depth, all at 60Hz refresh rates. And unlike LVDS,
DisplayPort can operate at voltages below 2.5v, reducing power consumption.
The CH7507 combines a reduced swing differential signaling (RSDS)
capability to interface directly with the video data transmitter, with a TCON to drive the
source and gate LCD pixel array. The device integrates gamma correction and pixel dithering
for improved display quality. Power consumption is optimized using the chip’s dynamic refresh
rate switching capability. The CH7507 supports data rates up to 2.7Gb/s. The device integrates
a brightness control function that manages LCD backlight modules. And specific ON/OFF sequences
for different LCD panels can also be controlled through the CH7507’s register map or programmed
through the AUX channel by the transmitter.
"A single video standard makes enormous sense for computer OEMs," said Dr. David Soo, Chrontel
President and CEO. "It simplifies design and reduces cost. Our new CH7507 is an embedded
DisplayPort device that meets the needs of Chrontel’s extended account base, which currently
uses our popular LVDS devices. The market for these devices is huge—every notebook and netbook
computer must use either an LVDS or embedded DisplayPort Receiver IC." Conceived as a unified video interface protocol for transmitting video signals, DisplayPort supports video transmission within a computer, and video interface to external monitors and consumer electronics. DisplayPort is increasingly displacing LVDS within notebooks, and displacing VGA, DVI and even HDMI for video interface to external displays. Market research firm Instat forecasts DisplayPort-enabled product shipments will exceed 600 million units annually by 2012. Pricing and Availability Chrontel CH7507 samples are currently available, and production volumes will
be available in DATE. The low-power CH7507 devices are available in a 64-pin QFN package, and consume
just 180mW. The CH7507 is priced at $1.60/ea. in 10,000 piece quantities.
Additional information about all Chrontel products can be found on the web at About Chrontel, Inc. Founded in 1986, privately held Chrontel is a leading supplier of video
interface ICs and technologies to computer manufacturers worldwide. The company's innovations include
the world's first VGA-to-TV encoder. Chrontel video display chips are incorporated into reference designs
offered by many microprocessor and graphics processor vendors. The company currently offers the industry's
most complete product line of video interface ICs for notebook and desktop computers, and its components
can be found in PCs sold by dozens of leading manufacturers. Additional information about Chrontel can be
found on its website: www.chrontel.com . #### All trademarks and registration marks are the properties of their respective owners. |
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Media Contact: Chrontel, Inc. |
Sales Contact: Chrontel, Inc.
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