OLED screens: what are their advantages and disadvantages?

OLED stands for Organic Light Emitting Diode.

The Organic Light-Emitting Diode is also known as the Organic Chemiluminescent Diode or the Organic Laser Display.

One of the key benefits of Organic LED technology is its vibrant color and energy efficiency. This type of display has a unique feature of self-illumination, achieved through a thin layer of organic materials on a glass substrate. The organic materials emit light when an electrical current is applied, resulting in a wide viewing angle and reduced power consumption without the need for a backlight. Additionally, its flexibility allows for various design possibilities, such as curved screens and embedded fingerprint recognition.

What is OLED and how does it work?

OLED, a current mode organic light-emitting device, operates by injecting carriers and emitting light. When an electric field is applied, the anode produces holes and the cathode produces electrons, which then move through their respective transport layers before meeting in the light-emitting layer. This results in energy excitons that excite luminescent molecules and produce visible light.

OLED's advantages and disadvantages

The OLED technology combines many advantages and problems in one, such as thin and short products, delicate and sensitive, more vivid colors, and power efficiency.

OLEDs (organic light-emitting diodes) are entering the mainstream market for LCD flat panel displays, and they have many advantages over LCD displays:

Wide viewing angle above 170°, self-luminous.

Reaction time is fast (microsecond reaction time x 1 s), no residual effect of ordinary LCD displays

Brightness (100-14000 CD/m2)

Luminous efficiency (16-38 lumens)

Power consumption is low and the operating voltage is low (3-9V DC).

Printed in full color

The panel design thickness is thin (2 mm)

Flexible panels can be made in large sizes

A wide range of temperatures is available

It has a simple process and a low cost potential (30-40% of TFT-LCDs).

Economic benefits can be achieved with a small investment amount

The display made by combining the characteristics of the above organic light-emitting diode will not have the problem that the LCD cannot be clearly seen from the side; There will be no LCD shadows and screen jumping; Not only cheap, but also saves electricity; In comparison to LCD, color and contrast are more vibrant; Full-color panels less than 2 mm thick can only be achieved with organic light-emitting diodes.