OLED vs QLED vs UHD: Difference and Comparison

Key Takeaways

1. OLED TVs have the best viewing angles, contrast, and response time of the three technologies.
2. QLED TVs are brighter and more color vibrant than OLEDs, but not as good contrast.
3. UHD refers to 4K resolution, which can apply to either OLED or QLED TVs.

What is OLED?

The full form of OLED is Organic Light-Emitting Diode. It is a display technology that can be used in electronic devices such as smartphones, televisions, and monitors. Each pixel in an OLED display emits its own light so the users can see vibrant and accurate colors.

Users also get wide viewing angles, so the image quality remains the same from any angle. It is a great option for gaming as well. This display technology is thin, so it also allows the device to be thin and stylish. 

These displays consume less power while watching darker content. Pixels can be turned off to witness true black color. Similarly, watching bright content will consume more power.

What is QLED?

QLED means Quantum Dot Light-Emitting Diode. These displays use quantum dots to radiate different colors of light when stimulated by a backlight source. High Dynamic Range or HDR content can be seen here effectively. 

It is popular for its features, and its common usage can be witnessed on televisions. It stands as an alternative to an OLED display.

Users will get wide viewing angles with these displays with accurate color. QLED TVs come in various sizes and designs to choose from to suit different preferences. They offer the option of flat-screen as well as curved-screen.

What is UHD?

Ultra High Definition, or UHD, is a display resolution standard. It is a higher resolution than HD or high-definition displays. Commonly it is used for televisions and monitors. Another name for this resolution is 4K because it is almost four times more pixels than a full HD display.

Fine details, sharp images, texture, everything comes together and offers an immersive viewing experience. These displays are made to support UHD content such as movies, gaming, shows, streaming services, and more.

Being a resolution standard, UHD utilizes various display technologies, such as LCD, OLED, and QLED. UHD displays have upscaling technology that can improve the image quality of low-resolution content.

Difference Between OLED and QLED and UHD

1. While both OLED and QLED are display technology, UHD is the resolution of the displays.
2. OLED panels are thinner, while QLED panels are thicker as they need backlighting. On the other hand, UHD is a resolution, so it does not have a design. It uses displays like OLED and QLED to illustrate the content.
3. QLED offers color accuracy and brightness but may not achieve the same level of true black and contrast as OLED. UHD is a higher resolution and provides increased clarity and detailed images.
4. OLED uses organic compounds to emit light, QLED has quantum dots to enhance performance, and UHD is the resolution of the display.
5. OLED has burn-in issues, but QLED and UHD are not susceptible to it.

Comparison Between OLED and QLED and UHD

Parameter of Comparison	OLED	QLED	UHD
Full form	It stands for Organic Light-Emitting Diode.	It stands for Quantum Dot Light-Emitting Diode.	It stands for Ultra High Definition.
Technology	It uses organic compounds as its technology.	It uses quantum dots technology.	It is a display resolution.
Design	It has a sleek, thin design.	Comparatively, it has a thicker design.	It is a display resolution and uses LCD, OLED, QLED, etc.
Power Efficiency	It consumes less power while viewing dark content.	It consumes less power while viewing bright content.	It is a display resolution.
Burn-in issues	It is susceptible to burn-in problems.	It does not bear this issue.	It does not bear this issue.

References

1. https://opg.optica.org/abstract.cfm?uri=opn-28-11-34 
2. https://sid.onlinelibrary.wiley.com/doi/abs/10.1002/j.2637-496X.2017.tb00980.x 
3. https://opg.optica.org/abstract.cfm?uri=oe-28-17-24731

Last Updated : 14 October, 2023