| Touch LCD emerges in 1970's with a fast | | | | pressing. Then, although the industrial touch LCD has |
| development nowadays. It is touch-sensitive instead of | | | | excellent performance even under high temperature, |
| using a pointing device. You can easily operate with | | | | you should use the common touch LCD in a proper |
| your finger pointing to the options on the screen. Touch | | | | environment to extend its life span. Besides, to keep |
| LCD has various applications. It can be used in a | | | | the screen clean will also help to improve the |
| restaurant, which will make order much easier and | | | | sensitivity. Most of electronic products will tend to |
| faster, while its application also can be found in ATM | | | | attract dust particles because of the static electricity, |
| on the street. The extensive utilization of it shows up | | | | therefore, if you do not have the habit of cleaning the |
| the benefits of touch LCD to us. | | | | screen constantly, touch LCD may become slow in |
| There are three kinds of technologies of the touch | | | | reaction. The best way of cleaning is to dip a piece of |
| screen: capacitive system, surface acoustic system | | | | soft cloth in the diluted isopropyl alcohol which is made |
| and resistive system. Capacitive type has 90% light | | | | of water with at most 50% isopropyl alcohol. Next, |
| throughout and gives a much clearer picture, which you | | | | wipe the screen gently (notice: do not press hard). |
| should input with a conductive object, such as finger. | | | | Other cleaners, especially those that contain ammonia, |
| Surface acoustic wave one has no metallic layers on | | | | such as glass cleaners, are forbidden, which will |
| the display surface with a 100% light throughout, which | | | | damage your LCD. At the same time, you should also |
| can show the clearer pictures. The resistive type is | | | | avoiding using paper towels which may also scratch |
| oldest one and the performance is also not as good | | | | the LCD. |
| as the capacitive type and surface acoustic wave | | | | With the continuous applications of touch LCD in |
| type, containing a piece of common glass over the | | | | computer, watch, ATM, video and music player, |
| screen covered by a resistive metallic layer. | | | | medical facilities and many other fields, it gives us more |
| Touch LCD is sensitive, so it should also be protected | | | | convenience in operating these devices. As a very |
| and cleaned carefully. Here are some tips for you to | | | | important kind of technology, it is really worthy of being |
| refer to. One of the most important things is that you | | | | praised. |
| should protect the touch screen from scratching and | | | | |