Whenever you want to upgrade your TV, It is very difficult for you to choose from a vast variety of displays available in the market. Nowadays, TV display technology undergoes many makeovers. You may think What is an LCD TV? What is OLED? In this article, I will clear all your doubts regarding LCD TV display technology and in coming or next article, I will explain about OLED, QLED, LED, 8K, and 4K.
Additiomnal Information
This article helps you choose the best-fit display TV as per your requirements. A few years ago, It was very easy to choose a TV display Because there were limited choices such as black and white or color TV. If you are a Techy person you can easily understand, But for a layman it is difficult. His mind blows when heard about OLED, QLED, Neon, LED, etc.
What is an LCD TV?
We are confussed for What is an LCD TV? LCD is Short for Liquid Crystal Display. It is a flat panel that can allow the passage of light or blocks the light. LCD uses crystal technology. LCD has three polarized glass panels that contain liquid crystals in between. It is like a sandwich. These panels are RGB. RGB stands for red, green, and blue. When an electric current passes through this, the crystals align, and the light passes through it and thus creating a colorful image.
More Detail
This technology is generally used in computer monitors, cell phones, digital cameras, TV, laptop display, tablet, and instruments. The CRT is replaced by LCD because LCD has a large resolution and good picture quality. LCD consumes less power as compared to CRT. It does not use a refresh rate. It supports VGA cables, HDMI, and DVI cables. there are many Advantages of an LCD that we see in coming section.
Advantages of an LCD
Following are the Advantages of an LCD
1. Space
LCD TV is very thinner compare to CRT technology which means it takes less space and that’s why it is also known as a flat panel display. If you are using LCD, you are left with much space on the table to keep other things like books, etc. LCD replaces the CRT.
2. Power Efficient
The main advantage of LCD TV is that it consumes less power as compared to CRT. As the size increases of LCD, its power consumption too. It takes 20-30 watts but CRT takes 60-70 watts.
3. Picture Quality
The LCD TV has a very good picture quality and brightness as compared to CRT. Its images do not flicker.
4. Screen Flicker
LCD has a high refresh rate as compared to CRT. A low refresh rate means more strain on the eyes, headaches, and many health issues. But LCD has a high refresh rate, so you can use it for long hours.
5. No Burn-in
Sometimes, you may see some particular area of your phone or any display get very strange colors like bright spread images or ghosty images. We mostly say it screen colors got damaged. This is burn-in. Well, LCDs do not have burn-in.
6. Affordable
LCD TV is affordable as compared to CRT monitors. You can invest in other parts of the computer or accessories that you have from buying LCD.
7. Multi functionality
You can use LCD for multiple tasks. If you want to use it as a computer display you can do it, You can use it as your TV display.
8. Longer Life
LCD has good quality as compared to CRT so it lasts for many years. Its life depends upon how frequently you are using it. Its life sometimes averages 15-20 years.
9. Available in a variety of sizes
LCD comes in many different sizes like laptops, TV, phone, and tablets. It allows small and low-profile designs that are not possible with other types of display.
10. No radiation
LCD is environment-friendly. It does not produce radiation. You can use it without any fear of health.
11. Anti-glare technology
LCD comes with anti-glare technology which means it has a low effect on your eyes. It protects your eyes from bright light.
12. Lightweight
LCD TV is very lightweight when compared with CRT monitors which are bulky and heavy to move.
13. No effect of Magnetic Field
It does not have any effect of the magnetic field.
Disadvantages of LCD
following are the Disadvantages of LCD
1. Limited viewing angles
It has limited viewing angles means if you see from the front, Its image looks good but if you try to see from the side of the LCD, You feel you are not clearly understanding what it is displaying. So it has limited viewing angles.
2. Black Image Quality
It is not as efficient to produce a black image as other technologies are doing.
3. Screen blur
One of the main Disadvantages of LCd is that Sometimes, Its screen starts blurring. You may feel uncomfortable seeing in blur display.
4. Expensive
LCD is expensive if you are going to buy a large screen. If you compare it with CRT, It is cost-effective.
5. Interfaces
LCD supports many interfaces, but it is unable to upgrade its interface with many new types of devices. Its digital interface is not standardized.
6. Limited Brightness
It has difficult to view in a bright room and it has less contrast as its display depends on external lights.
Features
- High resolution
- Superb colors.
- No screen burn-in
- Consumes less energy.
Applications of an LCD
- The LCDs are used in the aircraft for cockpit display.
- It is used in the calculator to display numbers and results.
- It is used in digital cameras for displaying photos.
- One of the main Applications of an LCD is that, It is used in Televisions at a large level.
- Computer monitors use LCD.
- Lab devices use LCD for display.
- It is also used in wristwatches for display.
- It is used in mobile phone displays and tablets.
- It is used in video games.
- It is used in digital wall clocks.
LCD comparison: Then and Now
- Modern LCDs are flat-panel displays and use slim transistors that make them popular and everyone loves their look and thinness. In past, LCD was slow and not efficient as now we have.
- Earlier its contrast and colors are not that good. It was using matrix technology that sometimes produces flicker images. Now, LCD is used in many areas not only in TV but also in Computer displays, phones, tablets, and calculators. Earlier it was limited to a few applications.
Additional Information
- It is good to know how to care for the LCD screen, Turn off the LCD to see how much dirt is left on the screen. Use a soft and dry cloth. Do not press harder, it may burn pixels.
- You need not change the refresh rate of the LCD.
- Most LCD TV comes with HDMI, DVI, and VGA cables.
- It has LCD conditioning which means it solves the problem of blur images or color distortion by flooding the screen with a different color. DEL supports this feature.
- Sometimes your LCD TV shows small white pixels that never go off. These are dead pixels. You need a professional to take help. These pixels are mostly red, green, blue, or yellow.
Final Words
LCD TV is very popular in several applications, as I mentioned above. It is slim and very attractive compared to CRT. It is like a sandwich that uses liquid to display an image on the screen. It uses RGB color combinations to form other colors. You can find a large variety of sizes and styles in it that are not possible in CRT. It has no flicker rate and its screen refresh rate is very fast so you feel no eye strain or headaches.
What is Next?
I am going to explain all types of different technologies used in TV. I completed LCD and next, I am going to write on LED. So stay tuned.
Thank you so much for reading my article. I hope this will help you.
You can find my other articles here.
Very good and keep it up