12.1-inch G+G Structure Projected Capacitive Touch Panel for Kitchen Appliance
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Dr Pan: Welcome to DISPLAY Museum. I am Dr Pan, the curator of Museum.
Greg: Hello, Dr Pan. I am Greg. There are so many structures for projected capacitive touch screen. May I ask what G+G structure is?
Dr Pan: Hello, Greg. G+G means cover glass+glass sensor.
Dr Pan: It is going to need one glass sensor to achieve the touch function.
Dr Pan: There are two types of G+G structures: SITO and DITO.
Dr Pan: Let us look at the structure SITO “One-sheet two-ITO laminated structure”.
Dr Pan: From top to bottom, Cover glass, OCA, ITO1 and ITO2, and sensor glass.
Dr Pan: Another structure DITO “Two-sheet two-ITO laminated structure”.
Dr Pan: From top to bottom, Cover glass, OCA, ITO1, sensor glass and ITO2.
Dr Pan: Advantage: highly accurate, high transmission, multi-touch, good at hand writing, high strength, high reliability, long serving time, suitable for all sizes.
Dr Pan: Disadvantage: thicker, sensor glass is easy to be broken when it is hit, long and expensive R&D, cover glass is difficult to be replaced.
Dr Pan: Notice: SITO is more reliable than DITO in a harsh environment, but more expensive.
Greg: Dr Pan, is it the most common used since I can see it all the time? And why?
Dr Pan: Yes, it is. What are the most important features for people nowadays? Multi-touch, high-transmission, high reliability.
Dr Pan: So G+G structure is the winner.
Greg: Thank you, Dr Pan. Now I got it.
Dr Pan: Welcome to contact us if you have any question.
