Solution for reading QR code on FPD screen panel by industrial scanner
The full name of FPD is Flat Panel Display. Flat-panel display has become the mainstream of TV, but there is no strict definition in the Internet at present. Generally, this kind of display is thinner and looks like a flat panel. There are many types of flat-panel displays. According to the display medium and working principle, there are Liquid crystal display, plasma display, electroluminescence display, organic electroluminescence display, field emission display, projection display, etc.
FPD is a TV with a flat screen. It is a type of TV compared to the huge body of a traditional picture tube TV. In order to manage products, many FPD screen panel manufacturers will laser engrave QR codes for FPD screen panels for traceability management.
Detection content: Vericode code and DPM code on the surface of LCD panel.
Solution
Due to the reflection of the material of the LCD panel and the small size of the two-dimensional code printed by the laser, our company adopts the VCR code reading system, which is compatible with Vericode code and DPM code, and is equipped with a special dongle. The code reading time is less than 500ms, and the parameters are switched in turn. system to achieve stable reading of barcodes.