国产日韩欧美高清在线一区,久久精品久久久久久免费,聊斋一级特黄大片一女久久,国产成人精品在线一二三

COB (Chip-on-Board) products are one of the traditional structures of LCD display modules;

It contains PCBA (LCD driving chip on PCB), and generally includes PCBA, LCD, iron frame plus rubber or zeraite paper or PIN connection, back light writing, can be displayed in the current segment, character, dot matrix graphics class