The parameters of LCD (Liquid Crystal Display) TVs encompass a range of specifications that determine their performance and capabilities. These include screen size, resolution, refresh rate, contrast ratio, viewing angles, and energy efficiency.

LCD TVs are characterized by their flat-panel design, which allows for a sleek and space-saving form factor. The screen size is typically measured diagonally in inches, with common sizes ranging from 32 to 75 inches. Resolution is a critical parameter, with higher resolutions like 1080p (Full HD), 1440p (Ultra HD), and 4K offering more detailed images. The refresh rate, measured in hertz (Hz), determines how many times the image on the screen is refreshed per second, with higher rates like 60Hz or 120Hz providing smoother motion. Contrast ratio measures the difference between the brightest and darkest parts of the image, with higher ratios like 5000:1 or 10000:1 indicating better image quality. Viewing angles refer to the range of angles from which the screen can be viewed without color distortion, with wider angles being preferable. Lastly, energy efficiency is an important consideration, with newer models often featuring LED (Light Emitting Diode) backlighting, which is more energy-efficient than traditional CCFL (Cold Cathode Fluorescent Lamp) backlighting.

The parameters of LCD TVs are crucial for determining their suitability for various applications. For instance, a high-resolution 4K LCD TV is ideal for watching movies and sports, as it provides a clear and detailed image. A high refresh rate is beneficial for gaming, as it reduces motion blur and input lag. A high contrast ratio is important for viewing in well-lit rooms, as it ensures that the image remains clear and vibrant. Additionally, energy efficiency is a key factor for consumers looking to reduce their electricity bills and environmental impact.

According to a report by Statista, the global LCD TV market size was valued at approximately $70 billion in 2020 and is expected to grow at a compound annual growth rate (CAGR) of around 4% from 2021 to 2025. This growth is driven by the increasing demand for high-resolution and energy-efficient TVs, as well as the rising popularity of smart TVs, which offer a range of features like streaming services and internet connectivity. The emphasis on these parameters reflects the evolving consumer preferences and technological advancements in the LCD TV industry.