April 29, 2024

Grab the touch trend MTIC optical multi-touch came into being

With the release of the Windows 8 operating system, notebook computers have more different appearances after adding touch functions, and Intel's Ultrabook has also successfully combined notebook computers and tablet computers to seize this trend of touch. However, the projected-CapaciTIve (procap) touch technology, which is currently the main market, is not suitable for large-screen applications, and the cost is also very high. It cannot meet the price requirements of the mainstream computer market.

Nowadays, laptops, mobile phones or tablet computers are becoming thinner and lighter, and Microsoft and Intel are also vigorously promoting multi-touch on computers. However, Mark Tyndall, vice president of global strategy development at Dialog, pointed out that comparing the existing various touch technologies Each has its own advantages and disadvantages, but there is no technology that can meet the needs of mainstream PCs in the market that are thin, light, and low-cost.

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To this end, Dialog launched a more efficient DA8901 multi-touch integrated circuit (MulTI-Touch Integrated Circuit, MTIC), which can support 11-36-inch screens, can be used for PC, Ultrabook, All-in-One PC or even must be worn Industrial computer operated by glove. Mark Tyndall said that MTIC has three major advantages. The first is the requirement of being compatible with Windows 8 while supporting multi-touch, and it can support up to 40 touch points; the second is the ultra-thin panel industry that supports borderless applications. Design; The third is to meet the low-cost requirements. Since the ITO layer is not required, it not only reduces the cost, but also has no yield problems. In terms of Ultrabook, the cost can be reduced by about 40%.

Unlike the procap technology widely used in today's smart phones and tablet computers, MTIC uses Dialog's optical touch technology SmartWave, combined with FlatFrog PSD touch patent, can support any glass or plastic touch panel display type. By detecting changes in infrared rays in the touch panel, it can track multi-touch, gestures and force of sensing gloves, stylus pens and other objects. A single MTIC can directly drive up to 12 pairs of infrared LEDs / emitters .

The DA8901 is packaged in a 59 pin 5.7mm x 5.0mm QFN package and is suitable for mounting LED transceivers on a thin printed circuit board on the edge of the display. The thin design does not increase the thickness of the terminal device. DA8901 is expected to begin supply in the third quarter of 2013. Mark Tyndall said that the DA8901's target is expected to reach 40% market penetration within 2 years.

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