The stretched bar lcd display has shown many highlights in digital information display technology. It adopts ultra-narrow frame and high brightness design, combined with special-shaped laser cutting technology, such as round, square, triangle and long strip, to achieve a higher proportion of commercial and industrial screen display. It is widely used in security monitoring, command and dispatch center, bus and coach on-board scenes, exhibition center display system, multimedia teaching, supermarket shopping guide, school studio, video conferencing system, multi-functional exhibition hall, entertainment venues, restaurants, publicity display, brand store image display, subway high-speed rail, enterprise exhibition hall and other fields