Open AccessBook
Projection displays
TLDR
Projection is a technology for generating large, high resolution images at a price point end users can afford as mentioned in this paper, which allows it to be used in a wide variety of large-screen markets such as television and cinema.Abstract:
Projection is a technology for generating large, high resolution images at a price point end users can afford. This allows it to be used in a wide variety of large-screen markets such as television and cinema. In addition, there are emerging small screen markets where a pocketable miniaturized projector can display images from mobile information devices such as smart phones or portable media players.Fully revised, this second edition of [start italics]Projection Displays[end italics] provides up-to-date coverage of the optical and mechanical systems in electronic projection displays. It takes into account major new developments in the many technologies needed to manufacture a projector display system. It presents a comprehensive review of projector architectures, systems, components and devices. Key new and updated features include: new material on light sources for projection displays; updated information on the human factors of projection displays including color gamuts, resolution and speckle; coverage of new image generating systems including LCOS and scanned laser systems; up to date information on front and rear projection screens; practical examples of projection display applications; models for predicting the performance of optical and mechanical systems This book is aimed at practicing engineers and researchers involved in the research, development, design and manufacture of projection displays. It includes key aspects from the many technologies contributing to projection systems such as illumination sources, optical design, electronics, semiconductor design, microdisplay systems and mechanical engineering. The book will also be of interest to graduate students taking courses in display technology and imaging science, as well as students of the many other engineering, physics and optics disciplines that lead into the field of projection displays.read more
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Patent
Systems and methods for high-throughput recording of holographic gratings in waveguide cells
Jonathan David Waldern,Alastair John Grant,Milan Momcilo Popovich,Morad Ratson,Sean Michael Williams +4 more
TL;DR: In this article, a holographic recording system including at least one laser source configured to emit recording beams and a movable platform configured to move between a first position and a second position is described.
Patent
Method for reducing speckle effect in a laser scanning display
TL;DR: In this article, a depolarization of the phase-coherent light using the depolarizer was used to reduce the speckle effect in scanning display systems that employ polarized phase coherent light.
Patent
Displaying apparatus including optical image projection system and two plate-shaped optical propagation systems
TL;DR: In this article, a display apparatus includes an optical image projection system, first optical propagation system, and second optical propagating system, which projects the image light to infinity and deflects a portion of it.
Patent
Integration rod assemblies for image projectors
TL;DR: In this article, integrating rod modules are disclosed comprising a plurality of single and/or solid integrating rods that are mated together by straps, and the straps may be reinforced by braces that may allow the integrating rod module to be set within a projection display system at an angle substantially different from horizontal.
Patent
Improved optical system for image projectors
TL;DR: In this paper, a projector system consisting of a laser light source, a collimating lens, a fly-eye lens, an integrating rod and a first modulator is described, where the light from a laser source/fiber illuminates a collimator to substantially collimate the light and then is transmitted through a fly's eye lens.