Unit housing of modular lamp box

Abstract

The invention relates to a unit housing of a modular lamp box. The unit housing comprises an array cavity housing mounted with lamp strips and a face cover; the array cavity housing comprises a plurality of basin-shaped cavities, lamp holes, lamp grooves in the rear side of the array cavity housing, connecting grooves in the rear side of the array cavity housing, first screw base pillars on the rear side of the array cavity housing, second screw base pillars on the rear side of the array cavity housing, and housing connecting grooves and tongues, wherein the basin-shaped cavities are providedwith forward openings and mutually spliced in an array mode, and the lamp holes are located in the rear sides of the bottoms of the basin-shaped cavities and are in through in the front-rear direction; and the face cover comprises a face plate and a circle of face plate connecting grooves and tongues with step-stage structures, wherein the face plate connecting grooves and tongues are formed in the rear side part of the periphery of the face plate, and the face cover is mounted on the front side of the array cavity housing and is in straight-plug connection with the housing connecting groovesand tongues through the face plate connecting grooves and tongues. According to the unit housing, a point light source can be shaped and adjusted into face light emitting, and the unit housing has theadvantages of uniform light emitting, simple structure, convenient mounting and maintenance and the like.

Description

technical field [0001] The invention relates to the field of light boxes, in particular to a unit casing of a modular light box. Background technique [0002] As we all know, there are two types of mainstream advertising light box structures: one is a light box with a side-type backlight structure, which is mainly composed of a light guide plate and a light source. Due to the limitation of light guide distance, the light box with side-type backlight structure is suitable for products with small light-emitting area, such as small-sized decorative paintings, window displays, flat panel lighting, etc. However, the two sides of the light guide plate Or there are light sources around, so that there are dark areas caused by the light source body on both sides or around the light guide plate, and shadowless splicing cannot be realized. The other is a light box with a direct backlight structure, which is mainly composed of a panel, a light source and a box body. The panel is instal...

AI Technical Summary

Problems solved by technology

[0002] As we all know, there are two types of mainstream advertising light box structures: one is a light box with a side-type backlight structure, which is mainly composed of a light guide plate and a light source. Due to the limitation of light guide distance, the light box with side-type backlight structure is suitable for products with small light-emitting area, such as small-sized decorative paintings, window displays, flat panel lighting, etc. However, the two sides of the light guide plate Or there are light sources around, so that there are dark areas caused by the light source body on both sides or around the light guide plate, and shadowless splicing cannot be realized

The other is a light box with a direct backlight structure, which is mainly composed of a panel, a light source and a box body. The panel is installed on the front side of the box body, and the light source is installed on the back side of the box body. Therefore, the thickness of the light box of the direct-type backlight structure is much larger than that of the side-type backlight unit. Because it has the advantages of high brightness and strong controllability of the light source, the application of the direct-type backlight unit is extremely wide, such as Advertising light boxes, signboard light boxes, signboard light boxes and window light boxes, etc. However, the box of the direct-down backlight unit is surrounded by opaque box walls, and serious shadows will appear between the boxes after splicing. Unable to achieve shadowless splicing

It can be seen from the above that the current mainstream advertising light boxes are limited to small-format light boxes. Therefore, the existing large-format advertising in the field of outdoor advertising communication is still stagnant in the four mainstream outdoor carriers of inkjet advertising, three-sided advertising, LED display advertising and luminous character advertising.

Images