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LCD driver adds support for metal oxide panel technology

Posted: 29 Jul 2013 ?? ?Print Version ?Bookmark and Share

Keywords:Solomon Systech? metal oxide? HD smartphone? display driver?

Solomon Systech recently launched a liquid crystal display driver supporting high-definition Metal Oxide panel technology. The SSD2080M is an ideal solution for HD smartphone applications.

SSD2080M is a solution for high-definition metal oxide panels. Apart from allowing the use of fewer mask layers in panel production compared to LTPS/AMOLED, the SSD2080M features "Frame Skipping" technology, which reduces the power consumption of metal oxide panels. The average frame frequency of an operating a-Si panel is 60Hz for ordinary application. The SSD2080M can drive the average frame frequency of a metal oxide panel to as low as 1Hz without sacrificing the display quality. In the case of driving an average frame frequency of 30Hz, SSD2080M enabled metal oxide panel can reduce the average display power consumption by 25 per cent. This function on metal oxide panel is extremely important for high-end smartphones with high power consumption applications. The driver also has a small amplitude interface (MIPI-DSI) to transfer mass data at a high speed and to support low-power operation.

With the SSD2080M, images are displayed by the newly developed Display Enhancement Engine, enabling enhancement of colour (saturation), contrast, sharpness and sunlight readability; while the colour correction function makes the images as vivid and clear as those adopting high cost AMOLED and LTPS displays. The high electronic mobility of metal oxide also helps reduce TFT cell size, thereby increases the light transmission rate, making the display looks much brighter and sharper.

Solomon Systech's latest offering also comes in a competitive die size. Not only that it integrates the advanced GIP circuit to reduce the number of gate control signal, it also operates with a 4 lane MIPI-DSI that requires only 4 pairs of data lane and 1 pair of clock lane to achieve high speed data transfer of 2.2Gbit/s/4 channels, which largely reduces pin count from the controller.

The compact design of SSD2080M together with the high electronic mobility feature of metal oxide panels enable modules with narrow bezel design (~1mm), which helps to maximise the display area of the screen. This makes a perfect match with the current trend of smartphone design.

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