In the field of lighting technology and visual display, Backlighting and Lightbox are two common lighting methods, which have significant differences in function, application scene and design principle. This article will discuss the differences between backlights and light boxes, and their characteristics and advantages in practical applications.

Backlighting

A backlight is a light source located behind the object being photographed, opposite the position of the camera. Its main feature is to be able to produce the profile of the object to be photographed, and highlight its edge and shape, thus contributing to the formation of a clear image. Backlight is widely used in machine vision detection, quality control and object location.

Key features:

Creating contours and edges: backlighting can clearly outline an object by shining it from behind.

Detection of shape and defects: often used to detect the shape of the object contour, identify whether there is a defect or foreign body.

Flexible application: it can meet different requirements of detection requirements, applicable to a variety of industrial scenarios.

Application:

Industrial Vision Inspection: defect detection of precision components such as electronic component and semiconductor chips.

Quality Control: in manufacturing, used to check the appearance of products for quality and consistency.

Object Location: on an automated assembly line, to help a robot or vision system accurately locate objects.

Led light box display

Led light box display, is a display device with lighting equipment inside. The main body is usually made of high-quality aluminum alloy profiles, which have strong structure and good heat dissipation performance. Led light box display is mainly used to show pictures, posters or advertising content, widely used in commercial publicity, exhibition display and other fields.

Led Light Box Display Key features:

Uniform lighting: the internal lighting equipment can provide uniform light, to ensure that the display content clearly visible.

Strong structure: high-quality aluminum alloy material, with good compression and corrosion resistance.

Beautiful design: beautiful appearance, according to the needs of personalized design, enhance the display effect.

Led Light Box Display Applications:

Commercial promotion: such as shop windows, shopping malls advertising space, etc. , used to display product information and promotional activities.

Exhibition: In Museums, art museums and other places, for the display of pictures, paintings and other works of art.

Public transport: in the subway station, bus station and other public places, for the release of public service ads and information.

The difference between backlight and light box

Lighting:

A backlight is a light that shines from behind an object, highlighting the outline and edges of the object.

The light box provides uniform light through the internal lighting equipment, illuminating the entire display area.

Application:

Backlight is mainly used for machine vision detection, quality control and object positioning and other industrial fields.

Light box is widely used in commercial publicity, exhibitions and public transport and other public places.

How it works:

The design of backlight pays more attention to lighting effect and detection precision.

The design of led light box display pays more attention to aesthetics and practicability, in order to meet the needs of display.

To sum up, there are significant differences between backlight and led light box display in lighting mode, application scene and design principle. Understanding these differences will help us better select the appropriate lighting to meet the different display and detection needs.