Every TV Type Explained | OLED, mini-LED, QLED, LCD, LED, QD-OLED & More

Summary

In this video, Caleb Dennison offers a comprehensive guide to various TV technologies, from CRT to the latest micro LED. He explains the evolution of flat screens, the rise of LCD and LED, and the advent of OLED. Caleb also touches on the premium qled and mini LED qled TVs, comparing their performance to OLED. He predicts the future of TV tech, including the emergence of MLA OLED, QD OLED, and the potential of emissive quantum dot displays. The video is designed to inform and entertain viewers, providing a clear understanding of TV technology options.

Takeaways

• 📺 The video script provides an overview of different TV technologies, including CRT, rear projection, plasma, LCD, LED, OLED, QLED, Mini LED, and Micro LED.
• 🔬 CRT TVs, also known as tube TVs, were the first and used cathode ray tubes to create images but were heavy and phased out around the year 2000.
• 🎥 Rear projection TVs were large and used three color light cannons to project images but suffered from alignment issues and poor brightness and contrast.
• 🌌 Plasma TVs introduced flat screens and used gas to create light but were eventually outperformed by other technologies and phased out.
• 📱 LCD TVs became popular for their light weight and ease of mounting, initially using compact fluorescent light bulbs for backlighting.
• 💡 LED TVs improved upon LCDs by using LEDs for backlighting, allowing for thinner designs and brighter displays.
• 🍇 OLED TVs use organic compounds that emit light when electrified, offering excellent contrast and color accuracy but can be expensive.
• 🔵 QLED TVs are a Samsung innovation that uses quantum dots to enhance the LED backlight, aiming to compete with OLED in terms of color and brightness.
• 📊 Mini LED TVs are a refinement of LED TVs with smaller and more numerous backlights to improve contrast and reduce blooming effects.
• 🔍 Micro LED is an emerging technology that offers brilliant brightness and contrast as an emissive display, but it's currently expensive and primarily available in large formats.
• 🌟 The video suggests that while TVs continue to evolve, the current market leaders are OLED for premium emissive displays and Mini LED QLED for the best backlit options.

Q & A

What was the first type of TV mentioned in the script, and how long was it the dominant technology?

The first type of TV mentioned was the CRT TV, also known as the tube TV. It was the dominant technology for a little over 65 years, starting from its creation in 1934 by Telefunken in Germany.

What was the main issue with rear projection TVs, and why were they considered a 'huge pain'?

Rear projection TVs had issues with maintaining the alignment of the three color light cannons, or convergence, which could result in a blurry, rainbow-looking image. They were also not especially bright and had poor contrast, making them a 'huge pain' to use.

How do plasma TVs create their image, and what was considered futuristic about them?

Plasma TVs create their image by using tiny pixel pockets of gas in the screen. When electricity is applied, the gas turns into plasma and lights up phosphors. They were considered futuristic because they represented a significant shift to flat screens and offered a new, advanced technology at the time.

What is the difference between an emissive display and a transmissive display?

An emissive display is a screen where each pixel lights up individually, such as in OLED TVs. A transmissive display requires a backlight or light system at the back of the TV to shine through layers to light up pixels, like in LCD and LED TVs.

Why did LCD TVs initially become popular despite their inability to produce deep blacks?

LCD TVs became popular because they were lighter, easier to move around, and easier to mount on walls compared to plasma TVs. Their cool factor and brighter images overshadowed their inability to produce deep blacks.

What is a mini LED TV, and how does it improve upon standard LED TVs?

A mini LED TV is an LCD TV with a backlight that uses much smaller and more numerous LEDs to create a more refined backlighting system. This allows for better black levels, reduced blooming and halo effects, and improved overall picture quality compared to standard LED TVs.

What is the main advantage of OLED TVs, and why are they considered superior to LED and QLED TVs in certain aspects?

The main advantage of OLED TVs is that they are emissive displays, meaning they do not require a backlight and can produce perfect blacks. They also offer excellent color accuracy, saturation, and can get sufficiently bright for most situations, making them superior in contrast and color performance compared to LED and QLED TVs.

What is QLED technology, and how does it differ from OLED?

QLED technology uses quantum dots, tiny nanoparticles that glow efficiently when light is shone on them, to enhance the LED backlight's capabilities. QLED TVs are brighter and more colorful than standard LEDs but still suffer from backlight blooming and halo effects, unlike OLED TVs which have better black levels and contrast.

What are the three types of OLED TVs mentioned in the script, and how do they differ?

The three types of OLED TVs mentioned are standard OLED, MLA OLED, and QD OLED. Standard OLED is the original technology known for its excellent contrast and color accuracy. MLA OLED and QD OLED are newer, brighter versions that come at a premium, with QD OLED being the latest and potentially offering the best performance.

What is micro LED technology, and why is it not yet widely available for consumer purchase?

Micro LED technology is an emissive display that does not require a backlight, similar to OLED, but with the ability to get incredibly bright. It is not yet widely available because it is very expensive and challenging to produce at 4K resolution for normal screen sizes.

What is the potential future for emissive quantum dot displays, and what challenges do they face?

Emissive quantum dot displays have the potential to become a new type of emissive display technology, offering high performance. However, they face challenges in proving their performance and reducing costs, which are necessary for mainstream adoption.