With the wide application of information technology in retail enterprises, the demand for management functions of small and medium-sized supermarkets has increased and the requirements of users have risen. The popularity of information technology has become more and more urgent.
The scope of use of POS machines has gradually spread and has become a supermarket and a shopping mall. Standard configuration of merchants such as convenience stores. The popularity of mobile payment methods has further expanded the market demand for POS devices. The LCD screen serves as the information display carrier for the POS machine, and has a broad market space. At the end of 2015, China's POS machines were approximately 22.82 million units. Assuming that POS machines added and replaced each year are 5% of the number of POS machines at the end of 2015, the number of new and replaced POS machines is approximately 1.14 million units per year. According to the same assumption, the number of POS machines added and replaced in each of the 14 countries is 870,000. If the ratio of the LCD screen to the POS is 1: 1, the market demand for LCD in the future POS market is about 2 million pieces per year.