A picture with lights hanging on the wall is called a luminous picture. According to relevant data, the luminous picture, ultra-bright LED or other slender light sources such as CCFL and EEFL are used as light source devices, and the light guide plate with light-transmitting layer is used to diffuse light evenly, so that the lighting mode of line light source is changed into the lighting mode of surface light source, and the basic function of picture frame is changed by using light-transmitting drawing paper as a whole, which plays the role of decoration and lighting.