Television Resolutions: From HD to 4K
TV technology has evolved significantly, marked by terms like HD, Full HD, UHD and 4K. These terms refer to screen resolution, a crucial factor in image quality. Understanding these resolutions is essential when purchasing a television or video projector, whether LED, OLED, LCD or Plasma.
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1. HD (High Definition)
- HDTV and HD Ready: HD resolution, with 1280 x 720 pixels, is often referred to as HD Ready. HDTVs, whether LCD HD or LED HD, provide adequate picture quality for standard viewing and DVD.
- HD LED TV: These TVs use diodes for bright backlighting, providing better brightness and dynamic contrast.
- Viewing Angle and Connections: HDTVs offer a wide viewing angle and various connection options, including HDMI, VGA and DVI.
2. Full HD (FHD)
- 1080p and Full HD: With a resolution of 1920 x 1080 pixels, Full HD, often called 1080p, is the standard for Blu-rays and video games.
- Full HD and HDR TV: Full HD TVs feature HDR technology, improving the dynamic range of colors, and are compatible with audio systems like Dolby.
- Smart TV and Applications: Many Full HD televisions and video projectors are Smart TVs, allowing access to streaming applications like Netflix via an internet connection, often Wi-Fi or Ethernet.
3. Ultra HD (UHD) and 4K
- UHD and 4K: UHD, with 3840 x 2160 pixels, and 4K, slightly higher, offer ultra high definition for remarkable image quality.
- OLED and QLED TVs: UHD and 4K TVs use technologies like OLED or QLED, offering exceptional contrast and precise colorimetry.
- Large Size and Curved Screen: These TVs, available in impressive sizes, offer flat or curved screen options for an immersive experience.
4. Additional Technologies and Features
- Processor and Fluidity: High-resolution televisions and Jedee's video projectors feature powerful processors for good image fluidity, crucial for fast-paced content such as sports and video games.
- Diagonal and PPI: Screen size, measured diagonally, and PPI are essential in assessing image sharpness.
- Remote control and DTT Tuner: These modern televisions include multifunction remote controls and a DTT HD tuner for receiving digital terrestrial television.
5. Purchase Considerations
- Choice of model: When purchasing a television or video projector, consider the resolution, screen size, type of technology (LED, OLED, etc.), connectivity (HDMI ports , USB), and smart features.
- Brands and Prices: TV brands like Samsung, Sony Bravia, Philips and LG and brands like Jedee's offer a wide range of video projectors in these categories, with options for all budgets.
- Durability and Power Consumption: Durability and power consumption are important, especially for large TVs and those equipped with technologies like OLED.
6. Conclusion
When it comes to television and projector resolutions, the transition from HD to 4K has revolutionized visual quality, offering sharper and more detailed images. Whether for a television or a video projector, choosing the right resolution is crucial for an optimal viewing experience, adapted to the latest innovations in entertainment and technology.
