On November 20th, Miji Technology, a domestic manufacturer of laser non-screen TVs, secured lead round C financing from Baidu, drawing significant attention in the domestic market. Just three days later, Hisense launched a range of 4K laser televisions, further boosting demand for laser TVs as a potential replacement for traditional LCD models. A laser TV, also known as a laser projector, uses a reflective ultra-short-focus projection system with a laser light source. It consists of two main components: the projector and a specialized light-resistant screen. The term "television" is used because it employs a laser light source, offering superior performance compared to traditional projectors, including high brightness, an anti-light screen, and the ability to be placed directly on a TV stand.
However, due to its high cost, laser TV remains a niche product, more suited for home theater enthusiasts than mainstream consumers. The question arises: Is the industry truly focused on laser TV projectors or actual television sets? In essence, laser TV is just a modified projector with a laser light source and a special screen, reviving the projector industry. While some manufacturers and media promote the idea that laser TVs could one day replace LCD TVs, current models are still conceptual, limited in scope, and expensive.
Laser TVs are not simply projectors but integrated systems that include projection technology, light-resistant screens, sound systems, and smart features. However, they cannot be equated directly with traditional TVs. Their value lies in providing a large-screen experience, but achieving this requires expensive anti-light curtains, making them unaffordable for most consumers. The high cost of maintaining excellent daytime visibility is offset by the price of these specialized screens, which can reach several thousand to tens of thousands of yuan.
Technically, laser TVs face challenges, such as scanning deflection issues. Similar to CRT technology, the laser beam scans the entire image line by line, requiring high-speed rotation of components like prism wheels. This leads to noise, lubrication problems, and increased costs, making mass-market adoption difficult. Additionally, many laser projectors lack smart systems, limiting their ability to support features like voice recognition or facial detection, which are standard in modern smart TVs.
Resolution is another concern. Many so-called 4K laser TVs use 1080P lenses, falling short of true 4K capabilities. Even when using 4K chips, the overall image quality may not match that of LCD TVs. Moreover, the cost of integrating 4K technology into laser TVs would push prices even higher, making them inaccessible to the average consumer.
In terms of viewing distance, laser TVs require specific room setups. For example, a 150-inch screen needs at least 3-5 meters of space to provide a comfortable viewing experience. Most households do not have such large living areas, making these products impractical for everyday use. Industry experts warn that large screens may not always enhance the viewing experience, as the human eye has limitations in perceiving details from close distances.
Another challenge is brightness. Although many laser TVs claim high ANSI lumens, the actual brightness after projection often falls short. Manufacturers sometimes exaggerate these numbers, leading to misleading claims about performance. Real-world conditions, such as ambient light and screen size, significantly affect the final display quality.
Color accuracy is also an issue. Most laser TVs use blue lasers combined with yellow fluorescent wheels to produce white light, resulting in poor color reproduction. True trichromatic laser systems (red, green, blue) offer better results but are prohibitively expensive and complex to implement. As a result, most consumer-grade laser TVs use two-color systems, which improve color quality but still fall short of traditional TVs.
Despite these challenges, some high-end models, like Hisense’s dual-color laser TVs, offer impressive brightness and resolution, though at a steep price. These models remain out of reach for most consumers, highlighting the current limitations of the technology.
Overall, laser TVs are still in their early stages, with significant technical and economic hurdles to overcome. While they show promise for luxury homes and specialized applications, they are not yet ready for widespread adoption. The dream of a laser TV in every living room remains distant, but the technology continues to evolve, offering glimpses of what the future might hold.
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