Product category: Optical Filters, Lenses, Gratings etc
News Release from: Bookham | Subject: ColorLoc filter wheels
Edited by the Electronicstalk Editorial Team on 18 November 2004
Filter wheels show their true colours
ColorLoc filter wheels and optical components are key components of projection display systems and are currently going through customer qualification
Bookham has released the ColorLoc family of colour wheels and optics at the Flat Information Display (FID) Conference in San Francisco, California. ColorLoc filter wheels and optical components are key components of projection display systems and are currently going through customer qualification.
This article was originally published on Electronicstalk on 18 November 2004 at 8.00am (UK)
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They offer manufacturers of projection display systems significantly improved performance and economics compared to currently available technology.
ColorLoc colour wheels feature improved colour control and higher transmittance giving greater light output, and hence brighter displays.
Tighter thin film tolerances in ColorLoc also reduce light-engine (LE) tuning times, lowering total manufacturing cost for these projection displays.
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The result is better colour purity closer to primary colours, less colour saturation, and a brighter and purer colour display.
ColorLoc filter wheels are manufactured using Bookham's proprietary advanced energetic deposition (AED) process and custom automated assembly systems.
Projection system manufacturers gain from lower costs, consistency of supply and product repeatability, and reliable and consistent filter characteristics.
Colour wheels can be used with the Texas Instruments Digital Light Processor (DLP).
The colour wheel typically separates white light from the source lamp into red, blue, and green primary colours.
Newer applications may have four or more colours.
This combination of colour wheel, white light and DLP is used for both rear-projection televisions (RPTVs) and front projectors.
'The demand for improved electronic display performance continues to increase as advanced optical technologies improve resolution and true colours', says Bruce Kuhlmann, Bookham Global Director of Sales - Display Products.
'Bookham is taking its industry-leading thin film filter coating technology and advanced robotic assembly production skills to create enhanced colour wheels and optical products for this growing marketplace to satisfy the needs expressed by the designers of projection displays'.
The AED thin film deposition technology used in ColorLoc colour wheels, IR/UV trimmer filters and colour filters is based on many hundreds of man-years of research, development and manufacturing in thin film filters.
This technology produces precision optical filters with negligible defects and with higher throughput, tighter wavelength control, and lower cost than competing technologies.
AED has enabled Bookham to have a leading market share position for telecommunications wavelength division multiplexing (WDM) filters.
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