Projectors
This article discusses the projector contrast ratio, including influencing factors, measurement and improvement techniques, testing Epson 3LCD EB-X11 vs BenQ DLP MX514, C2Fine technology and dynamic contrast. The article also contains a video showing the difference between 600,000: 1 vs 15,000: 1 projector contrast ratio.
This article discusses the projector throw ratio and projection distance, including ultra short throw projectors, aspheric mirror-lens models, their key features, pros and cons. The article also contains a video showing the VAVA Ultimate Smart Short Throw 4K Laser Projector.
This article discusses the modern projector light sources, including UHP (Ultra High Efficiency) mercury and xenon lamps, semiconductor light sources (LED, laser LED and hybrid ), their pros and cons. The article also contains a video showing the difference in clarity of the bulb projector vs laser projector.
This article discusses the modern LCoS projectors, including their operation principle, Polarizing Beam Splitter (PBS), Silicon X-tal Reflective Display (SXRD), Direct Drive Image Light Amplifier (D-ILA) pros and cons. The article also contains a video showing the Sony SXRD (LCoS technology) VPL-VW870ES, VW570ES and VW270ES projectors.
This article discusses the modern 3LCD projectors, including their operation principle, Crystal Clear Fine (C2 Fine) technology, pros and cons, etc. The article also contains a video showing the operation principle of 3LCD technology in projectors.
This article discusses the modern DLP projectors, including 1-chip and 3-chip models, their operation principle, key features, Brilliant Color technology, pros and cons, etc. The article also contains a video showing a review of new BenQ HT3550 & HT5550 (BenQ Launch W2700 & W5700 for Europe) 4K DLP projectors, which use new Texas Instrument 0.47″ DMD chip that eliminates the grey borders, RGBRGB colour wheel with high quality control, factory calibration to D65 white point with report supplied, at least 95% DCI-P3 colour gamut coverage, dynamic iris, HDR support for both HDR10 & HLG, as well as motion-compensated frame interpolation. The article also contains a video showing the operation principle of TI DLP technology.
This article discusses the modern projectors, including 3-chip and 1-chip models, their key features, DLP, LCD and LCoS technologies, their pros and cons, Screen-Door, rainbow and posterization effects, etc. The article also contains a video showing the visualization of the rainbow effect (color artifacts along the contour of fast-moving objects) in 1-chip DLP projectors.