Author's note: In the two-day international portable technology series, the author heard the speakers mentioned the concept of “multi-touch†and “capacitive touch†more than once. Apple's iPhone series drove the entire capacitive touch. In the screen market, multi-touch solutions are required from small screens to large screens. At the same time, as customers demand the accuracy, accuracy, breadth of gesture recognition, and the needs of various gesture changes, resistive touch technology is going downhill, and the rise of capacitive touch technology, it is reported that At present, nearly 70% to 80% of world-class mobile phone companies use capacitive touch screens, and the market is also 70% to 80%. Let's share with you the current status and development trend of the latest touch technology market presented at the 2010 Mobile Handheld Display Technology Conference.
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How to design touch screen products?
The iPhone has driven the entire capacitive touch screen market, requiring multi-touch solutions from small screens to large screens. So how do you make the size of capacitive multi-touch technology product? Wu Jianhong, senior manager of Cypress Business Development Department, discussed the above issues with the audience at the 2010 Mobile Display Technology Conference held recently.
How to make a concept a real product? The most important thing is to look at the R&D cycle and needs. Also find a touch screen supplier to integrate the touch screen into the middle of the product. At the same time, be sure to spend more time on debugging. The next step is the manufacturing process, and it seems that the technology of capacitive touch screens has become more and more mature. 
Next, consider the size of the screen. If it is a mobile phone, it may be a 3.5-inch or 2.8-inch screen, which is relatively simple. If you want to make a product like the iPhone, the screen may be 6 inches, or a notebook 11 inches. The size of different screens may vary. At the same time, we must also consider the accuracy, which is how accurate the phone is to press this point. There is also resolution, how fast the hand moves. What is the OS part like? Is it more? Be aware of this issue when developing your product. The most important thing is the UI, how to design a very beautiful UI, here may be Windows, as well as mobile screen, glass, or what material. All multi-touch is set at the beginning.
How do you determine the system from the beginning to the time this product is made? How is the system parameter determined, or what is the material used by the touch screen? OLED? TFT? These have an impact on the product. There is also an interactive part, how to design the entire mobile phone, how much position to stay next to the screen to go to the line, such a mobile phone, a location to have a touch, another location must have a touch. According to the above, the following is still to run at the same time, all the design parts may have to be considered. These should be fixed when setting the product. There is also how to work with the IC plus software part.
The current and future of touch technology
The iPhone's revolutionary user interface has led to a significant increase in small-capacity capacitive touch screens. Some people say that the large-size market will be good in the second half of the year, but it should be conservative, because yield is a big challenge for large-capacity capacitive touch screens.
At the same time, Android has also entered this field. Android open is more conducive to some designers to launch more creative multi-touch handheld products. That brings another question, how to make a product that can compete with Apple's iPhone?
The company's leaders said why we worked hard to make a product without an iPhone. Is there a way for suppliers to continually optimize their customer experience? Increase the company's brand image? Some customers will ask how to reduce costs, because the cost of capacitive touch is relatively high, and how to do some standardized design? Finally, the patent issue, in the event of a patent dispute, will Apple sue? These are the needs of the customer, but as a product, it is impossible to meet all the requirements.
The choice of the program is like an iceberg. The average customer sees the price. He needs a variety of supply chains. He also needs to have good functions. To be thin, it is best not to exceed 10mm, but he can't see it. It is the impact of the noise, temperature and humidity of these LCDs, as well as the optimization of the overall performance, so the consideration of the solution must be comprehensive.
Obviously, multi-touch must be a technology trend. In addition to the standard, some other application gestures will be developed and used. In addition, there is a demand trend for medium and large size screens.
Another point is the most crucial, that is "KISS". What is "KISS"? English is "Keep it simple, stupid!", Chinese is not stupid, the simpler the better! The whole thing is very simple, it is the need of humanity, not the various things that we have come up with at home. We have learned computer input methods at school, which is something we need to learn. But when you get back home, look at your computer and ask her to enter and see, she can't, so I have to buy a touch. Therefore, the development direction of the entire touch is absolutely in the simplest direction, and it is definitely not complicated.
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