スプライシングスクリーンベゼルの分析
According to the characteristics of the splicing screen, each screen is not an absolute rectangle for the patchwork, Beloong will further analyze below.
What is a physical border?
The LCD splicing screen has flexible circuits connected to the LCD panel around the frame. In order to protect the circuit from damage caused by the actual installation and transportation process, which may cause abnormal display of the LCD screen, and avoid damage to the LCD panel, the manufacturer will A metal (or other material) frame is designed on the side of the screen, and the frame is a black opaque material that cannot display color content. This frame is called a physical frame.
What is optical black edge?
The optical black edge is the black edge formed by the LCD screen manufacturer's production process and technical scheme that cannot make the backlight completely reach the edge. The black edge is around the LCD panel and cannot be avoided. Different sizes and specifications of LCD screen optical, the size of the black border is different. Normally, it is more obvious after the screen is lit, about 1-2 rows of pixels.
So unfortunately, most of the products cannot be a rectangle in the absolute sense, that is, either the shape is not or the edge is not.