Understanding the difference between LCD, LED and Plasma TVs
TV model | Description | Pros | Cons |
LCD (Liquid Crystal Display) | LCD TVs are one of the most popular TVs on the market, today. The screen is lit from behind with florescent lights, similar to those found in ceiling fixtures.Offers wide-viewing angles, and provides good quality viewing in well-lit areas. | Varied price range, sizes and features.Thin, light and can be installed almost anywhere.LCD TVs are more energy efficient that plasma TVs.Offers wide-viewing angles, and provides good quality viewing in well-lit areas. | Poor motion quality – leaves rapid movement breadcrumbs on the screen.Picture quality varies depending on the screen. |
LED (Light-emitting Diode) | LED TVs are lit from the sides with LED strips, resulting in better image quality, colour and slimmer designs. Some of the most eco-friendly TVs on the market. | Varied price range, sizes and features.Thin, light and can be installed almost anywhere.LED TVs are more energy efficient that plasma and LCD TVs.Offers wide-viewing angles, and provides good quality viewing in well-lit areas. | Poor motion quality – leaves rapid movement breadcrumbs on the screen.Picture quality varies depending on the screen. |
Plasma | Delivers the most realistic colours, without ghosting or blurring with rapid movement.Plasma TVs have three individually lit plasma chambers for each pixel – red, green and blue. | Excellent black levels, as each cell is produced individually.Wide-angle viewing range is much better than LCD and LED.Fast scene change response time. | Lacks peak of brightness, because the black levels are already so deep.Prone to plasma flicker.High power consumption. |
Understanding the uses of various TV sockets:
- RI Input: Aerial socket.
- HDMI: High Definition Video and Audio input – used to connect HD equipment e.g. blu-ray players or gaming consoles.
- SCART input: used to connect DVD recorders and players.
- VGA input: Analogue VGA input to connect your PC to the TV, should it not have an HDMI input.
- Digital Audio outputs: used to connect an external surround sound system
- USB ports: used to view photos and videos on the TV. Can be used to connect external hard drives, too.
- Ethernet ports: used as a Wi-Fi connection substitute, allowing you to stream content straight to the TV.
Different TV sizes
Breakdown of the best viewing distances, depending on the screen size and viewing distance.
Viewing Distance |
Screen Size |
Over 3 metres |
Over 56 inches |
2.5 – 3 metres |
46 – 55 inches |
2 – 2.5 metres |
40 – 45 inches |
1.5 – 2 metres |
32 – 39 inches |
Less than 1.5 metres |
Up to 32 inches |
More things to consider before buying a TV:
- Price vs. Your budget
- Features
- Audio and Picture Quality
- Connectivity
- Remote control and ease of use
- Accessories
- Warranty
With the multitude of TV brands and designs available on the market, these guidelines will help you with making an informed purchase, and a smart investment.