Television is an important device for our home entertainment, and with the development of technology, the screen technology of TV is also constantly evolving. Two of the most popular high-end screen technologies on the market right now are:QLED and OLED, so what's the difference between them? Which technology is better?
In fact, QLED and OLED have their own advantages and disadvantages, if you pursue high brightness, high color gamut, and long life TV, then QLED may be more suitable for you; If you're looking for a TV with high contrast, wide viewing angles, and low thinness, then OLED may be more suitable for you.
This article will introduce you to the basic principles of QLED and OLED, as well as the advantages and disadvantages of each, to help you make a more informed choice.
QLED is an abbreviation for quantum dot light emitting diode, which means quantum dot light-emitting diode in Chinese. QLED is actually a liquid crystal display technology, which adds a layer of quantum dot film made of nano-scale semiconductor materials to the traditional LED backlight layer, which can convert the backlight into purer red, green, and blue primary colors, thereby improving the saturation and accuracy of the color. The main advantages of QLED are as follows:
High brightness:QLED can achieve very high brightness due to the use of an external LED backlight, even exceeding 1000 nits, which is a great advantage for HDR content or in bright environments.
Wide color gamutDue to the use of quantum dot film, QLED can cover a wider color gamut space, such as 100% of the DCI-P3 color gamut, which means that more color details and levels can be displayed, making the picture richer and more realistic.
Long life:Due to the use of mature LCD panel and backlight technology, QLED can ensure a long service life, which can generally reach more than 60,000 hours, which is equivalent to more than 20 years of use for 8 hours a day.
The main disadvantages of QLED are as follows:
Low contrast:Due to the use of external LED backlight, QLED cannot achieve pixel-level light control, so when displaying black or dark parts, there will be halo or gray shadow, resulting in reduced contrast and distortion of the picture.
Narrow viewing angles:Due to the use of liquid crystal panels, QLED will be affected by the direction of the arrangement of liquid crystal molecules, so at a certain angle, there will be color distortion or brightness attenuation, resulting in a narrowing of the viewing angle and a decrease in experience.
High cost:QLED due to the use of quantum dot film, it will increase the difficulty and cost of production, so compared with ordinary LED LCD TV, QLED's ** will be higher, generally more than 10,000.
OLED is the abbreviation of Organic Light Emitting Diode, which means organic light-emitting diode in Chinese. OLED is a self-illuminating display technology, which is composed of one or more layers of organic materials, and each pixel can emit light autonomously without the need for an external backlight, thus achieving higher contrast and lower power consumption. The main advantages of OLED are as follows:
High contrast:Due to the use of the principle of self-illumination, OLED can achieve complete black, that is, each pixel can be completely turned off, so when displaying black or dark parts, there will not be any halo or gray shadow, resulting in infinite contrast and a clearer and more realistic picture.
Wide viewing angle:Due to the use of the principle of self-luminescence, OLED is not affected by the direction of the arrangement of liquid crystal molecules, so at any angle, it can maintain the consistency of color and brightness, resulting in an angle of view of nearly 180 degrees, ** a better experience.
Low thinness:OLEDThe principle of self-illumination is used,No external backlight is required,So it can greatly reduce the thickness of the screen,It can even be curved or curled,Make the TV thinner and more flexible。
The main disadvantages of OLED are as follows:
Low brightness:OLEDThe principle of self-illumination,The brightness of each pixel is limited by current,So compared to QLED,OLEDThe brightness will be lower,Generally around 500nits,This is**HDR content or in a bright environment**TV has certain disadvantages。
Narrow color gamut:OLED due to the use of the principle of self-illumination, the color of each pixel is limited by the material, so compared with QLED, the color gamut of OLED will be narrower, generally around 90% of the DCI-P3 color gamut, which means that some extreme color details and levels cannot be displayed, making the picture more bland and monotonous.
Short lifespan:Due to the use of the principle of self-illumination, the life of each pixel is affected by aging, so compared with QLED, the life of OLED will be shorter, generally about 30,000 hours, which is equivalent to 8 hours a day and can be used for about 10 years. Moreover, because the aging rate of pixels of different colors is different, it will lead to color shift or screen burning in the picture, which will affect the image quality.
To sum up, QLED and OLED have their own advantages and disadvantages, there is no absolute good and bad, only suitable and unsuitable. If you pursue a TV with high brightness, high color gamut, and long life, then QLED may be more suitable for you; If you're looking for a TV with high contrast, wide viewing angles, and low thinness, then OLED may be more suitable for you.
Of course, you also have to consider your budget and personal preferences, as well as the environment and content of your TV, in order to make the most suitable choice.
The above is the sharing article I wrote for you about which is good QLED or OLED, I hope you like it. If you have other ideas, you can also leave a message in the comment area and share them with me. Thank you for reading.