by | Sep 15, 2021 | General | 76 comments

IMD LED  display (Also called Mini LED Display)  is one of the latest fine pitch led package technology. In the field of LED display, with the development of upstream packaging technology, there gradually form two different LED display panel preparation technologies, SMD and COB. We can use these two technologies to produce small-spacing mini LED display screens. And we will share some information about these two technologies with you.

IMD LED

The technical definition of IMD

The matrix-integrated package scheme of IMD (Integrated Matrix Devices) is to package two, four, six, or more groups of RGB diodes in a small unit, also known as “N in 1”. A typical IMD model is produced in the form of 2*2, or 4-in-1. Each 4-in-1 package includes 4 SMDs; each SMD includes the three chips (Red, Green, and Blue). IMD is an intermediate product between SMD and COB and has the combined advantages of both. NationStar IMD09 is the major 4-in-1 model used in the market for the production of 0.9mm fine-pitch LED displays. It officially entered mass production in

4-in-1 Mini LED Diodes

Mini LED : 4 SMD Packed in one 

imd-led-screen VISIONPI copy
MINI LED VS SMD

Figure 1: IMD Mini LED vs SMD

COB LED with no extra layer and bonding wires required copy

Figure 2: IMD mini LED vs COB

Advantages:

Higher reliability. Compared with traditional SMD, IMD has better anti-collision performance and higher SMT efficiency. Compared with COB.

Higher color consistency. IMD combines the advantages of traditional SMD and COB and has properly addressed issues in damage protection, black consistency, seamless splicing, light leakage

Lower maintenance costs, especially when there is only a single diode to be repaired. , and maintenance. It features a higher contrast ratio, higher integration, easier maintenance, and lower cost, which makes it an ideal product for the evolution of finer pitches.

Lower Manufacturing Cost. Traditional SMT 1010 machines can still be used for the production of IMD with a similar manufacturing process. By keeping the SMT process, LED display manufacturers can move to IMD display production faster, due to the existing mature SMT supply chain.

Disadvantages:

With the continuous narrowing of pixel pitch, IMD faces the same problem as SMD-there will always be a physical limit, leaving limited room for IMD product growth.

Without further subdivision of bins by chip suppliers, IMD’s bin-selection process becomes more difficult as it has multiple RGB chips per package. The uniformity and consistency of RGB chips in each package may not be as high as LED displays made of individual SMDs.

advantages and disadvantages of IMD

Mini LED Display: Fixed Installation

Dimension: 500*500*74.3mm

Pixel Pitch Indoor: Mini LED 1.95mm, 2.6mm

Applications: XR studios, TV stations, exhibitions,conferences, etc.

MINI LED RENTAL LED DISPLAY copy

4 in 1 Mini LED

imd rental led display p1.9

Mini LED Rental Display P1.9 2.6

Key Features:

● Unique Mini 4in1 LED,can bear 13kg impact force per pixel.

● High contrast ratio to 10000:1.

● Reduce more effect during camera shooting.

● High brightness up to 1500nits.

● High refreshment up to 7680Hz.

 Intelligent module.

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