Smartphones, laptops, and TVs are an inseparable part of our lives. But what makes them smooth, responsive, vibrant, and of the highest visibility? The answer lies in the OLED display. This innovative screen technology is shaping the display industry.
So, let’s look at how this remarkable display is changing perceptions of visual content.
What is an OLED Display?
OLED, or organic light-emitting diode, is a display technology that uses organic compounds to emit light and create images. OLED displays are considered some of the best display panels available today. Currently, smartphones and laptops with these displays have become increasingly prevalent.
They are available in two types: PMOLED and AMOLED. Passive matrix OLED, or PMOLED displays, are used in graphic displays and utilize a simple pixel matrix to regulate each pixel separately. On the other hand, active matrix OLED, or AMOLED displays, are used in smartphones and utilize a TFT (thin-film transistor) backplane to regulate each pixel individually.
How does an OLED Display Work?
OLED screens work by using organic compounds—carbon and hydrogen—that emit light when an electrical current is applied to them. These displays consist of thin films of organic materials sandwiched between two conductors known as anodes and cathodes. When a current passes through these anodes and cathodes, they emit light, creating images on the display.
In an OLED screen, each pixel emits its light which allows for precise control and accurate reproduction of color. This feature contributes to the high contrast levels, deep blacks, and vibrant colors that OLED screens are known for.
7 Benefits of OLED Display
OLED screens offer several benefits. Take a look at the seven key advantages it offers:
- These displays offer high contrast levels, deep blacks, vibrant colors, and excellent color accuracy.
- They are thin and lightweight, making them ideal for slim and portable devices.
- These screens provide wide viewing angles, ensuring clear visibility from different angles.
- OLED screens are energy-efficient because they do not require a separate backlight.
- These screens have fast response times, resulting in smooth and responsive visuals.
- They can reproduce a wide range of colors, resulting in vibrant and lifelike images.
- They offer a high contrast ratio, enhancing the visibility of details in both bright and dark scenes.
How Many Colors Can OLED Display Produce?
OLED screens can produce a wide range of colors. Each pixel in an OLED display is composed of three self-illuminated sub-pixels: red, green, and blue. By combining different intensities of these sub-pixels, OLED screens can create a vast spectrum of colors.
One example is the Newhaven Display. Its full-color OLED glass displays offer an array of color options, such as small OLEDs that deliver 65k colors, whereas large OLEDs offer 262k colors. The reproduction of OLEDs is accurate and vibrant, resulting in rich and lifelike images. This ability to produce a wide range of colors makes OLED screens popular for various devices, including TVs, laptops, smartphones, and wearable devices.
Novel Innovations in OLED displays
The advancements in OLED screens are making them more prevalent in the display industry. Some advances include:
● Flexible OLED Displays
With these advancements, OLED screens have become more flexible, allowing bending, curving, and flexing of the screen. Unlike traditional CRT displays, flexible OLED displays are made with flexible substrates that enable them to be bent or curved without damaging the display. Companies like Samsung and LG have been experimenting with flexible OLED displays for quite some time. Recently, on January 10, 2024, LG Display showcased its 57-inch P2P LCD and 32-inch Slidable OLED at CES 2024, showcasing its innovative designs and high-definition picture quality. The displays, part of LG’s vision for future automobiles, were awarded for their reliability and durability.
● Micro OLED Display
The micro OLED screen has emerged as a promising advancement in display technology. They offer higher pixel density, improved brightness, contrast ratios, and energy efficiency. They find applications in various fields, including sports optics and medical equipment. Micro OLED displays in Raspberry Pi are used as main screens or peripherals to show specific information. As micro OLED is still evolving, its popularity is already at its peak.
Is the future of OLED displays eco-friendly?
The future of OLED displays holds several exciting possibilities. OLED technology continues to dominate the market with its superior image quality, vibrant colors, and thin design. Along with that, ongoing developments aim to enhance its capabilities further. But have you imagined the eco-friendly aspect of these displays? On February 26, 2024, LG received eco-friendly certifications for its OLED TV and transparent OLED displays. The company has reduced plastic usage and increased the use of recycled materials, resulting in a significant reduction in plastic content. Transparent OLED obtained the Eco-Product Certification Mark from SGS, marking the first eco-friendly certification for Transparent OLED. LG Display’s efforts to develop eco-friendly products have led to reductions in material and component usage, greenhouse gas emissions, energy consumption during manufacturing, and waste reduction in disposal stages.