Decryption good reason brightness slim light box slim light is not bright enough, looks very dark, the brightness of the screen is not enough reason? In figure out this problem, we need to figure out a local bright enough? Partial or overall brightness is not bright enough to two situations: first, some light, some dark, indicating that the reason the light guide plate, to replace the light guide plate; because there are many different kinds of acrylic light guide plate material and PS material, currently used? Acrylic laser light guide made the second effect is even partly bright, partially lit, indicating that the problem of the light source, the light source is broken, you want to replace the light source. Overall two cases does not shine? First, as a whole are off, there are two reasons for this phenomenon, a light guide plate and the light source is the problem, either because the quality of the light guide plate, either because the quality of the light source is not enough. Second, it may be the problem of the screen, a lot of people confuse with pictures and light boxes, boxes with pictures instead of film, because film is translucent light boxes, and photo is opaque, so the use of pictures will then screen is not bright enough. Aluminum Material: (1) Border: 4cm silver-sided open type aluminum; (2) the light guide plate: nano acrylic material; (3) Lighting: electronic ballast, T4 aluminum tube 2227414071 Website : http: //www.4006815557.com Tel: 4001-811-577