What is 4K?
Do you want to know more about 4K and how it can improve your viewing experience? Are you curious about what the resolution is and what benefits it has over other resolutions? In this blog post, we’ll be discussing the basics of 4K technology, as well as its advantages over other resolutions. Read on to learn more!
What is 4K?
4K technology is essentially a very high-definition screen resolution. This display technology, also known as UHD or 4K UHD, has become the standard resolution for all televisions available today and many computer monitors.
The best UHD TVs contain more than eight million pixels in their high-resolution displays, four times more than the Full HD panels in today's smart TVs.
You don't need to access 4K entertainment content to enjoy 4K resolution, as many of the best 4K TVs (and most of the ones on this list) feature impressive upscaling technologies that enhance content recorded in HD.
Another reason why 4K TVs have gained traction in recent years is the 4K support of gaming consoles such as PS4 Pro, Xbox One X, PS5, and Xbox Series X, as well as 4K Blu-ray players and streaming devices.
Is it worth it to buy a 4K TV in 2022?
The short answer is: yes! Even though 8K TVs are gaining a foothold in the home display market, they're still not widespread - most brands only offer a handful of 8K models - and they're obviously much, much more expensive.
On the other hand, 4K TVs are more affordable than ever, and there are plenty of offerings. The advent of 8K technology and the increase in TV screen size means that some of the best full-size 4K TVs are no longer the unaffordable, money-grubbing products they once were.
Sure, some (like Sony's A90J OLED) are still pricey, but today, the range of 4K displays is so vast that it's hard not to find a 4K TV that fits your budget and gives you a great TV experience.
What are the different types of 4K TVs?
There are many different types of displays, all of which work differently to achieve the same result. Each technology has its strengths and weaknesses. So here are some basics to consider when finding the right 4K TV for your needs:
LED TVs: Direct LED
These screens are lit by a series of LEDs (light-emitting diodes) placed directly behind the screen. This allows for local dimming - meaning that the directly adjacent light and dark areas can be seen better - and greatly improves contrast. LED TVs are also more energy efficient and offer a wider color gamut than CCFL TVs. Due to the extreme costs of mounting these LED arrays, cheaper TVs typically use Edge-Lit LED displays rather than Direct or Full-Array LED displays.
LED TVs: Edge LED
On these TVs, the backlight LEDs are placed on the edges of the screen. This arrangement results in radically thinner screens and higher contrast levels than CCFLs, but does not achieve the same picture quality as direct-illuminated LED TVs. They are, however, much cheaper, which is why most LED TVs in circulation use this technology.
OLED TVS
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The backlighting of OLED (organic light-emitting diodes) TVs is achieved by passing an electric current through a light-emitting film. This technique allows for much better colors and contrast, and the screens can be extremely thin and flexible. This technology is the Holy Grail, and LG, Sony, Philips, and Panasonic have used it in their flagship displays.
Quantum dot
Quantum dot is Samsung's big bet in LED TVs. The brand claims to be able to produce more colorful images than LG and Sony and even offers brighter panels. LG's Super UHD TVs all use a quantum dot variant called Nano Cell, while Hisense is producing a series of quantum dot TVs for the United States and China.
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