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Single-chip solution drives cholesteric display

Posted: 24 May 2007 ?? ?Print Version ?Bookmark and Share

Keywords:cholesteric display? single-chip integrated driver? bistable display driver?

Solomon Systech Ltd has updated its bistable display driver controller product family of ICs with the introduction of the SSD1615 chip.

SSD1615 is claimed to be the first single-chip integrated driver with controller tailored for cholesteric display. The driver offers a highly compact and competitive solution to enable the cholesteric display to be applied in flash memory drives, handheld devices, electronic shelf labels and more.

The cholesteric display is a non-traditional display technology in which the image is retained on the display even after the panel power supply is removed. It offers paper-like readability, with features such as high contrast, a wide viewing angle, reflectivity and readability under sunlight. Moreover, its bistability characteristic saves on system power, since the image remains on the display even without power.

SSD1615 supports a 132 x 64 bistable display. With a built-in DC/DC converter, the IC is capable of boosting a low voltage supply to 35V for driving panels. It features built-in panel driving waveforms to free the user from handling complicated waveforms. The driver has an internal temperature sensor and a programmable temperature compensation scheme to ensure that the panel is driven with optimal results.

The product features embedded driving waveforms for cholesteric display and an on-chip, 132 x 64 bit graphic display RAM. The chip has an internal temperature sensor with programmable temperature compensation scheme.

It also has a programmable multiplex ratio and 8bit 8080/6800 parallel and/or 3 and 4-wire SPI/I?C MCU interface. The product is available in COG and COF packages.




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