The size of LCD TVs is continuously expanding, and 32-inch models are becoming outdated. With the decline in LCD TV prices, it's no exaggeration to say that 55-inch or even 60-inch TVs have become the new standard for consumers. The author believes that demand for larger TVs will continue to grow. Why? Because the industry is moving toward bigger screens, driven by advancements in panel technology and decreasing costs.
China's panel industry has grown significantly, making it the largest in the world. As a result, LCD panel prices are gradually dropping, while screen sizes are increasing. This trend means that LCD TVs are being upgraded according to industry standards. The increase in size is more about production line upgrades than technological breakthroughs, so it’s not as technically challenging as developing OLED panels. In fact, the difference between a 32-inch and a 70-inch LCD panel is just the size of the substrate.
Meanwhile, projectors are also evolving and entering the home market. LED projectors now offer higher brightness at lower prices. By 2018, 1000-lumen projectors could be purchased for under 4,000 yuan, and within a couple of years, ultra-bright pico projectors might cost around 3,000 yuan. Such brightness allows for large screen sizes—up to 70 or 80 inches—especially when used at night.
This shift in projector technology is raising consumer expectations for larger screens. So, why don't people go for bigger sizes if they can afford them? Some argue that Chinese living rooms aren’t large enough, making bigger TVs unnecessary. But I believe that 80 inches is the key threshold for home use. Most families can comfortably fit a 70- to 80-inch screen, but 100- to 120-inch models would require more effort to install and transport, and they consume more energy.
For LCD TVs, a 100-inch model is not only harder to install but also more expensive to move. For projectors, achieving a 100-inch screen requires over 1500 ANSI lumens, which current LED micro projectors can’t match. Traditional or laser projectors may reach that brightness, but they are bulky, have shorter light source lifespans, and are costly—making them unsuitable for mass adoption.
In conclusion, 70 to 80 inches seems to be the tipping point for home applications. Larger sizes will likely remain in the high-end market, catering to specific users. However, 80-inch and above products still face challenges in both LCD and projector technologies, which limits their popularity. Therefore, 80 inches marks a clear boundary between mainstream and premium options.
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