Backlight unit of spliced module lamp box

• Main Authors: LUO YANCHAO, YAO SHUYING
• Format: Patent
• Language: Chinese; English
• Published: 26.07.2019
• Subjects: ADVERTISING; CRYPTOGRAPHY; DISPLAY; DISPLAYING; EDUCATION; LABELS OR NAME-PLATES; PHYSICS; SEALS; SIGNS

The invention relates to a backlight unit of a spliced module lamp box. The backlight unit is composed of an array lamp hole module, a lens module, a face mask and a light source module; the array lamp hole module comprises a base plate, lamp holes formed in the base plate, connecting blocks on the base plate, fences on the back side of the base plate, first screw base columns on the back side ofthe base plate and second screw base columns on the base plate; the lens module comprises lenses corresponding to the lamp holes in the base plate and lens connecting blocks connected between the lenses, the lens module is installed on the front side of the base plate, lens incident light openings in the back sides of the lenses are meshed with the lamp holes in the base plate; the face mask is installed on the front side of the array lamp hole module, and face-mask connecting tongues and grooves are in straight inserting connection with the connecting blocks on the base plate; the light source module is installed on