OLED display technology has become an indispensable part of modern life. We are all exposed to this technology when using mobile phones, TVs, display screens and other devices. So, what is OLED? What are its advantages? Today I will share with you some knowledge and technology about OLED, so that everyone can have a deeper understanding of this technology.

 

1. What is OLED?

 

OLED (Organic Light-Emitting Diode), or organic light-emitting diode, is a new type of display technology. Compared with traditional liquid crystal display technology, OLED does not require a backlight and can emit light directly, so it can achieve higher contrast and deeper blacks. In addition, OLED has faster response speed, lower power consumption, and is also thinner, lighter and more portable.

 

2. Types and advantages of OLED

 

OLED can be divided into two types: Passive-Matrix OLED (PMOLED) and Active-Matrix OLED (AMOLED).

PMOLED is a relatively simple and low-price technology suitable for some small-sized, low-resolution display devices. Since PMOLED requires additional drive circuits to control each pixel, as the screen size and resolution increase, the difficulty of controlling a single pixel will also increase. Therefore, with the demand for large screens and high resolution, AMOLED has become more The ideal choice is also the mainstream technology on the market.

AMOLED has higher resolution, more adequate color performance and response speed. Through thin film transistor (TFT) and capacitor control, AMOLED can achieve higher flexibility and plasticity, and can produce irregular-shaped display devices and even wearable devices. In addition, AMOLED can achieve a more power-saving display effect and also plays a very important role in improving battery life.

In AMOLED, there is another method that is widely used: Super-AMOLED. Super AMOLED is a comprehensive display solution that combines AMOLED and touch screen technology. Since Super-AMOLED directly integrates touch technology into the OLED chip, it does not require an additional touch layer and will not block the screen display effect due to air or flowing objects blocking the light. It can achieve clear and realistic effects. The power consumption is also relatively low.

3. Development of OLED technology

 

Since the advent of OLED technology, its development has entered a process of accelerating year by year.

In the early development of OLED, the application of OLED was limited due to the lack of support from effective control panel technology. In addition, problems such as high cost, short lifespan, and frequent screen burns have also slowed down the scale development of OLED technology.

However, with the continuous improvement of manufacturing technology and materials in recent years, OLED displays have become standard equipment in many devices such as TVs, smartphones, tablets, and electronic watches.

One of the current important trends in OLED is the development towards high resolution, large screen, high brightness, long life cycle and high efficiency. Among them, flexibility and plasticity have also become new directions for development. It is conceivable that in the future, we will see more unprecedented screen forms that meet people's needs.

 

4. Application of OLED

 

OLED has been widely used in televisions, smartphones, e-books, tablets, electronic watches, car dashboards and many other devices. Below, I will introduce the application of OLED in these fields in detail.

1. TV

OLED TVs have very high color reproduction and contrast, allowing for clearer and more vivid images. In addition, OLED TVs have faster response times, can achieve smoother pictures, and are less prone to image afterimages and smearing. Because there is no backlight effect when it is turned off, OLED TVs can achieve perfect pure black, and the picture is more realistic, and can better restore the vivid intentions and emotional expressions of the film's author.

2. Smartphone

OLED displays are widely used in smartphones. Because OLED can achieve high contrast and high brightness, the mobile phone screen can display clearly even under outdoor light conditions. In addition, OLED can also implement a night mode that facilitates reading and an automatic brightness adjustment function that consumes less energy, which is very important for the smartphone experience.

3. e-books

OLED e-books have higher contrast and reading experience. Because OLED displays can achieve more realistic display colors, they can make e-book reading more convenient and enjoyable. In addition, the low power consumption of OLED can make the use of e-books longer and make readers' use experience more comfortable.

4. Tablet

On tablets, OLED displays have higher color vividness and brightness, allowing for more detailed and realistic image presentation. In addition, the contrast and response speed have also been further improved, enabling faster screen switching and giving users a smoother use experience.

5. Electronic watches

The most notable features of OLED electronic watches are ultra-thin design and low power consumption. These features allow OLED electronic surfaces to be used for longer periods of time while offering high levels of comfort and flexibility.

6. Car dashboard

In modern cars, OLED technology is also widely used in dashboards. OLED can achieve more vivid and high-contrast display effects. At the same time, due to its low power consumption characteristics, it can achieve energy-saving optimization of the entire automotive system.

 

5. Summary

 

OLED display technology is one of the development directions of future display technology and has many advantages. In the future, with the continuous development and application of OLED display technology, the screen's fineness, color expression, adaptability, stability and other aspects will continue to improve, bringing a richer, more convenient and high-quality display experience to people's lives. .