In this new era of technology, people often wonder what to choose between LCD and LED TVs.
Televisions are the most common source of entertainment around the world. According to a survey a single person spends 60 days a year watching TV.
So you should be concerned about your health after reading this. I’m going to show you comparison between LCD, LED, QLED, and OLED. You will get to know which one is the best in picture quality as well as for your health.
LED TVs are nothing more than LCD TV with LED technology. It uses an LED backlight. Let’s find out more interesting facts about the LCD and LED.
LCD – Liquid Crystal Display Vs LED – Light Emitting Diode
LCD TV uses cold cathode fluorescent lamps (CCFLs) for the backlight whereas LED TV uses full-array LEDs backlight to display a better picture quality than CCFL LCD TVs could ever do.
LED TV: Light Emitting Diode LED TV uses a fully-array LED backlight. LED, a p-n junction diode that emits light when activated. It is a two-lead semiconductor light source.
Earlier, it was introduced in the market to compete with the LCD and has successfully made its name in the digital electronic world through it’s loaded features and advanced picture viewing quality.
FUNCTIONS OF LED TV
LED TV is an energy-efficient device and televisions are highly recommended sources of entertainment around the world.
LED TV runs on black blacklight. It ejects RGB which displays it on the screen of the television.
All Television Brands are offering LED TVs with highly advanced features and technology.
LED TV is less expensive than the other two devices OLED & QLED TV.
QLED: Quantum Dot Light-Emitting Display.
Samsung introduced the QLED technology. Samsung has its own technology and panels which are used in QLED TV screens. It is the same technology that other brands use which is being provided by Samsung.
FUNCTIONS OF QLED TV
Generally, QLED is the LCD led panel which used in QLED. The backlight in QLED is produced by LED lights which are RGB and in front, there is an LCD display.
The Quantum Dot is a special microscopic layer fixed in front of the LCD panel. The microscopic layer consists of very small-sized molecules.
Molecules that emit blue lights as rays on the LCD panels, LCD panel turns it into amazing colors and picture quality becomes exciting to watch. It enhances the picture quality
QLED TV is quite an expensive device. It cost around INR 65,000-1,25,000.

- OLED: ORGANIC LIGHT DIODE EMITTING. LG introduced the OLED technology globally. Other brands make the use of the same OLED which is provided only by LG.
- Panasonic and Sony are one of the companies that use the same panel provided by LG for their brand of OLED TV.
FUNCTIONS OF OLED TV
An OLED has self-illuminating pixels in the background of the tv screen which ejects RGB lights on the display panel and that’s how you watch the pictures on the TV screen.

Generally, OLED TVs are thin and Lighter in weight. It makes it easy to fix as there are no backlights.
The panel of OLED TV consist of pitch black or dark black, so when the screen needs to produce black background pictures, all the pixel goes off and no lights are produced so that the screen can reflect black color.
That’s why the black levels or black background displayed on the OLED TV screens. It look very contrasting compared to the other devices.
The only disadvantage of OLED is that it’s the most expensive among other technologies.