In the world of projectors, the spotlight has always been on the "light source." One could even argue that the history of projector development can be seen as the evolution of its light sources. Currently, laser light sources are becoming increasingly popular, but new alternatives are emerging. Projectors featuring Philips HLD light sources have made a strong appearance this year. Recently, InASK Indies unveiled two HLD light source projectors in Shanghai, adding another powerful contender to the growing segment of new light source projectors.
The launch included two new lines from InASK Indie: a reflective ultra-short throw series aimed at the educational market and a high-brightness engineering series. Both models utilize Philips HLD light sources paired with 3-LCD projection technology. Reportedly, the sales of these projectors in the Shanghai region are being handled by Lijing. For Lijing, a company with six years of experience and a solid reputation in the industry, this collaboration with InASK Indie marks a strategic move to stay ahead in the competitive landscape.
First up is the reflective ultra-short throw series targeting the education sector. This series includes three models: the NX UT with 0 lumens and XGA resolution, the NW400 UT offering 4000 lumens with WXGA resolution, and the NU360 UT providing 3600 lumens with WUXGA resolution. Thanks to their ultra-short throw design, these projectors can project an 80-inch screen from just 50 cm away, meeting the specific needs of educational environments. Despite having similar pricing to competitors, these projectors use engineering-grade LCD panels, ensuring superior display quality. Additionally, they support ±3% vertical lens shift and ±2% horizontal shift, making installation more flexible.
The second line-up includes the DX520, DX620, DW500, DW600, DU450, and DU550. These projectors offer brightness levels ranging from 4500 to 6000 lumens with resolutions spanning XGA to WUXGA. For engineering projectors, optical zoom and lens shift capabilities are crucial. InASK Indie’s engineering projectors boast a full range of 1.6x optical zoom and vertical lens shift ranges of up to ±38%, along with horizontal shifts of ±8%. This allows users to project a 100-inch screen from distances between 2.2 to 3.5 meters.
The standout feature of these new products is undoubtedly the industry-leading HLD light source. HLD, or Philips ColorSpark High Lumen Density LED, was first introduced by Philips in 2015. Utilizing advanced chip and packaging technologies, it significantly enhances luminous energy density and heat dissipation, while larger-sized chips and multi-chip configurations boost overall light output. This innovation addresses the traditional LED brightness limitations, pushing it up to 3000-5000 lumens, earning HLD light sources the nickname "high-brightness LED."
The HLD light source module comprises an HLD module, independent blue and red LEDs, and an HLD driver. During the event, Philips Lighting's Digital Projection Division emphasized that the breakthrough in this technology lies in the use of an HLD stick, which dramatically improves light source focus—a key factor in achieving high brightness.
Beyond enhanced brightness, HLD excels in color performance. While laser light sources already perform well under the REC.709 color gamut standard, HLD surpasses them with even better results. Independent research firm Insight Media conducted a survey among 300 participants to evaluate the image quality of four unmarked projectors. Surprisingly, 68% of respondents favored the Philips ColorSpark HLD LED system projector for its superior contrast, image quality, and pleasing colors, compared to only 30% who preferred laser phosphor technology.
From a safety perspective, HLD light sources eliminate the need for special protective measures like those required for lasers, such as beam expansion and speckle processing. This simplifies product design and reduces manufacturing costs.
Philips announced that with ongoing advancements in HLD technology, brightness will increase by approximately 20% annually. As a result, InASK Indie plans to update its HLD-equipped products accordingly. It's foreseeable that within the next 2-3 years, HLD projectors will revolutionize the projector market.
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