4K projection is coming! Everyone wants to play
Since the third quarter of 2017, the 4K projector market has started to gain momentum. Brands like Optoma, BenQ, Acer, and Sony have launched a wide range of 4K product lines, with entry-level home projectors priced below 200 million yuan, making 4K more accessible. This surge has significantly expanded the supply of 4K products in the market. However, at the beginning of 4K’s mass adoption, many users, including Dapingjun, are still pondering the best way to utilize 4K projection technology.
The core of 4K projection lies in its higher pixel count, which offers either sharper image details or larger screen sizes. Dapingjun outlines two main applications: one is using more pixels to enhance picture clarity without increasing the screen size, and the other is maintaining the same image quality while expanding the display area. These two approaches represent the current dual directions of 4K usage.
In the engineering market, high-brightness 4K projectors have emerged. For instance, NEC's two-color 4K laser projectors and Sony’s laser-based digital cinema projectors boast significant brightness improvements. Brightness is a critical factor in projection, as it determines the usability in different environments. Dapingjun believes that high brightness is ideal for brighter settings or large-screen displays, especially in fixed installations. NEC’s PH3501QL+ and PH2601QL+ models offer 35,000 and 26,000 lumens respectively, while Sony’s SRX-R810DS and SRX-R815DS systems reach up to 30,000 lumens. These high-brightness models can replace multiple older projectors, making them a strong choice for large-scale applications.
On the other hand, some 4K projectors don’t focus on brightness. For example, BenQ and Optoma’s 5,000-lumen entry-level engineering projectors, and Sony’s 7,500-lumen SRX-R810P, target high-image-quality applications rather than larger screens. Dapingjun sees these as suitable for virtual simulations, precision displays, and high-resolution imaging, representing another high-end application of 4K.
Home 4K faces more challenges. While some models, like Hisense’s 88-inch 4K laser TV, aim to improve display performance, others, such as the 140-inch model, are designed for large-screen experiences. However, most traditional home projectors still rely on 2,000–3,500 lumen brightness, which suits 100–120-inch screens. Dapingjun argues that this type of 4K is not yet fully justified due to limited content, high costs, and potential future alternatives.
Moreover, he points out that 4K projectors often use traditional light sources, which are not aligned with the industry’s shift toward solid-state or laser light sources. This makes them less future-proof compared to 2K models.
In summary, while 4K projectors offer new possibilities—whether for larger screens or finer details—they still face challenges in content availability and cost. The transition from 2K to 4K will be gradual, just like past resolution shifts. Lower-resolution products will continue to serve niche markets due to their affordability.
Dapingjun concludes that 4K will remain at the top of the projection industry’s hierarchy, while 2K and below will dominate for most consumers. The 4K ecosystem must develop sustainable economic and operational models before it can become mainstream.
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