NDLI: JVC D-ILA high resolution, high contrast projectors and applications

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JVC D-ILA high resolution, high contrast projectors and applications

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JVC D-ILA high resolution, high contrast projectors and applications

Content Provider	ACM Digital Library
Author	Sterling, Rod
Abstract	The development of the fifth generation D-ILA LCOS technology for 4K x 2.4K projection is reviewed along with a new projector optical engine that greatly increases system contrast ratio. The new 4K D-ILA incorporates a device aperture diagonal reduction from 1.70 inches to 1.27 inches and total pixel increases from 3840x2048 to 4096 x 2400 (~10 Megapixels). The highest resolution, aperture fill factor, and pixel density of any current projection display technology are achieved. The resolution of 4096 x 2400 is compatible with Digital Cinema standards. It also permits 4x enlarged WUXGA images for design and CAD applications. Also reviewed are JVC award winning Reference Series projectors, the RS1X and RS2, with very high contrast ratios exceeding 30,000:1 native dynamic range. D-ILA LCOS technology combines a nematic liquid crystal layer and a single crystal silicon CMOS backplane addressing circuit in a reflective mode display image modulator. D-ILA devices and projectors have been mass produced since 1998 starting with SXGA+ front projectors with the world's first demonstration of 4K x 2K projection in 2001, and an 8K x 4K dual projector system in 2005. To achieve a device contrast ratios of up to 40,000:1, the D-ILA homeotropic liquid crystal was optimized along with the surface flatness and specularity of the CMOS backplane. The new wire grid polarizer optical engine reduces scattered light to increase contrast ratio without a dynamic iris and the color management system increases the color gamut from a compact xenon arc lamp. The compact system and 3500 lumen output allows application in many venues. (Fig. 1).
Starting Page	1
Ending Page	6
Page Count	6
File Format	PDF
ISBN	9781605582122
DOI	10.1145/1394669.1394684
Language	English
Publisher	Association for Computing Machinery (ACM)
Publisher Date	2008-08-09
Publisher Place	New York
Access Restriction	Subscribed
Content Type	Text
Resource Type	Article

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