Nov 17.2022

The Revolution of Ultra-Thin LED Display: Technology and Applications

What is a paper-thin/ultra-thin LED screen?

The technology behind ultra-thin LED display

The applications and advantages of choosing an ultra-thin LED screen

Recommended Unilumin ultra-thin LED product (28mm ultra-thin design) with case studies


Ultra-thin light-emitting diode (LED) displays are set to change the way we consume digital content and interact with our surroundings. With incredibly thin screen sizes and displays that could be applied to just about anything, these cutting-edge screens present several exciting opportunities across industries, including medical devices, advertising, transportation, and gaming. In this article, we'll take an in-depth look at the technology behind ultra-thin LED displays and how they are used today.


What is a paper-thin/ultra-thin LED screen?


A paper-thin/ultra-thin LED screen is a type of display technology that can be bent, rolled, or shaped into any shape. Paper-thin led screens are extremely lightweight, with a thickness that can range from 0.1 mm to 1 mm. It may sound hard to believe, but these screens are thinner than the average piece of hard paper! In addition, ultra-thin led displays also use less power than LCDs and are highly durable.


With single-color LEDs and wireless connectivity via Bluetooth, paper-thin led screens are quickly becoming more common in multiple industries.


Whether working with a paper-thin screen at home or at your workplace, you'll probably find one product that perfectly suits your needs. For example, if you have a small retail business and would like to display prices to customers, an ultra-thin led screen can work perfectly in that setting. More on this in a short while.


The technology behind ultra-thin LED display


Ultra-thin LED displays consist of a substrate, an anode, a cathode, a conductive layer, and a light-emitting material. The substrate is typically glass or plastic. The cathode consists of a silver-coated electrode, while the anode consists of a transparent conductor such as indium tin oxide (ITO). Two layers of conductive ITO are on top of each other to achieve better electrical properties. A high voltage is applied between the two electrodes, which makes electrons flow through the light-emitting material, causing it to emit light.


In order to reduce thickness, manufacturers need to reduce the space needed for the conductors by working with new materials that are more flexible than those currently in use.


These new materials include carbon nanotubes, graphene, and metal nanowires.


This new material can be printed onto flexible substrates, making these screens rollable and foldable like paper.


In addition, because this new material is cheaper than current ones, it would also make manufacturing processes less expensive. Manufacturers could then create smaller displays at lower costs due to their improved production methods.


LED screens are thinner, brighter, and more energy efficient than LCDs. The average lifespan of LED display technology will continue to grow longer since LEDs do not burn out easily.


The applications and advantages of choosing an ultra-thin LED screen


Owing to their numerous advantages over traditional display screens, many companies are now opting for these ultra-thin displays.


Advantages of Ultra-thin LED screens


Here are the benefits of ultra-thin LED screens: 


  • * Lower energy consumption - Paper-thin LED displays do not need a backlit screen. Instead, a layer of light-emitting diode lights up when a current is passed through them. This reduces power consumption by as much as 85% compared to LCDs (Liquid Crystal Displays). They are thus suitable for battery-powered devices like smartphones.
  • * Highly versatile - Due to their small footprint and lower power consumption, they are highly suited for many devices, including mobile phones, laptops, and tablets. Even portable gaming consoles benefit from these screens.
  • * Versatility leads to reduced costs - As paper-thin led screens don't require any heating or cooling mechanism, they can be fitted into smaller spaces, leading to significant cost savings. Their compact size makes it easier to make space for extra components inside the device while reducing production costs because they can be mounted on flat surfaces, unlike bulky LCD panels.
  • * Superb image quality - Paper-thin LEDs like OLED (Organic Light Emitting Diode) have the advantage of producing deeper blacks and richer colors than regular LED screens because three individual light sources make each pixel. The result is a very high resolution, often dwarfing FullHD by up to 16 times.
  • * Fast response time - They respond to touch within 50 milliseconds, which is fast enough to do away with the trail effect. This makes these displays more suitable for use in HD applications like gaming or at home.


Applications of Ultra-thin LED screens


These displays also find application in communication devices such as televisions. Major television manufacturers such as Samsung, Sony, and Panasonic now offer ultra-thin TVs that produce sharper images with less motion blur than other televisions available in the market. Moreover, due to its low power requirements, this technology will also be suitable for future quantum computers where even the smallest form of heat could interfere with calculations.


Other applications include:


1. Commercial and professional displays where they are used in control rooms, broadcast rooms, and other areas where larger displays are needed;

2. Large format signage, advertising, and video walls;

3. Medical equipment such as patient monitors and medical imaging systems;

4. Sports scoreboards and digital clocks that take up less space than conventional ones;

5. DOOH makes advertisements interactive and engaging; DOOH is a preferred method among marketers to engage customers.

6. Outdoor lighting displays, for instance, are possible thanks to the low-heat generation and longevity of LED screens.

7. They can be found in places such as casinos, malls, and amusement parks.


Recommended Unilumin ultra-thin LED product (28mm ultra-thin design) with case studies


Unilumin's 28mm ultra-thin design is the world's smallest, lightest, and most energy-efficient display. With superior brightness to the competition and a full suite of features that can be customized for any application, this new LED technology is redefining the landscape for modern displays.


According to a paper published by John Rogers, the Flory-Founder Chair Professor of Materials Science and Engineering at the University of Illinois, organic LEDs, such as those used in Unilumin's 28mm ultra-thin design, are superior as they combine the aspects of inorganic LEDs and the ordinary OLEDs. This results in brighter, more robust, and more durable displays.


The process of cloning these two technologies into a single one involves interconnecting ultra-thin LED layers by film processing. The result is a high-resolution system, otherwise impossible to make by ordinary inorganic LED manufacturing processes.


A notable use case is in digital signage applications, where ultra-thin displays are used to replace static posters.




Overall, the ultra-thin LED display is a revolutionary technology that will change the way we use screens in our lives. With its many applications in medical, industrial, commercial, military, and other fields, this technology has the potential to improve our quality of life.