8. แอ A transparent layer that removes electrons when a current is applied.
Organic Layers: These include the emissive layer (which emits light) and the conductive layer (which transports electrons).
Cathode: A reflective layer that injects electrons into the organic layers.
When voltage is applied, electrons flow from the cathode to the anode, passing through the organic layers. This process excites the organic molecules, causing them to emit light. By controlling the intensity of the light emitted by each pixel, OLED displays can produce a wide range of colors and shades.
Types of OLED Displays
At Lynnhan.com, we offer a variety of OLED displays to meet different needs. Here are the most common types:
Passive-Matrix OLED (PMOLED) PMOLED displays are simpler in design and are typically used in smaller devices like smartwatches and MP3 players. They are cost-effective but have limitations in terms of resolution and screen size.
Active-Matrix OLED (AMOLED) AMOLED displays are more advanced and are commonly used in smartphones, tablets, and TVs. They use a thin-film transistor (TFT) backplane to control each pixel individually, resulting in higher resolution, faster response times, and better energy efficiency.
Flexible OLED Flexible OLED displays are made using plastic substrates instead of glass, allowing them to bend or fold. These displays are used in innovative applications like foldable smartphones and curved TVs.
Transparent OLED Transparent OLED displays allow light to pass through the screen, making them ideal for augmented reality (AR) applications, retail displays, and smart windows.
Top-Emitting OLED These displays emit light from the top of the structure, making them more efficient and suitable for high-resolution applications like microdisplays.
Benefits of OLED Displays
OLED displays offer several advantages over traditional display technologies like LED and LCD. Here are some of the key benefits:
Perfect Blacks and Infinite Contrast Since each pixel emits its own light, OLED displays can completely turn off individual pixels to achieve true blacks. This results in an infinite contrast ratio, providing a more immersive viewing experience.