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The Thin-film Micromirror Array (TMA) is a new reflective type spatial light modulator fabricated with the optical microelectromechanical system (MEMS) technology. A working projector prototype of 5,400 true ANSI lumen was presented at the Asian Display 1998 with three VGA format TMA modules and a 1 kW Xenon lamp. The prototype showed the optical efficiency of 22%, which was the highest optical efficiency among all the reflective and transmissive light modulators in the world. For the commercial projectors, XGA f mat TMA is under development. The size of a micromirror of VGA format TMA is 97 μm by 97 μm while the size of eaxh micromirror of XGA format TMA is 50 μm by 50 μm. Efforts have been made to maintain the optical efficiency of the XGA TMA projector same as that of the VGA TMA projector. TMA projector prototype is brighter than any competing technology projectors in the world at the same lamp power, at least three times or more. The simplicity of the underlying principle and the highest optical efficiency of TMA enables high-brightness and cost competitive projection displays which has been a dream in the past.

This paper describes the development of techniques in Geographic Information Systems to support the visualization of “meta-information” — qualifiers of incoming data that significantly influence a user's perception of that data (e.g., uncertainty, recency, source). We present a brief literature review and discuss specific issues with the representation of meta-information.

— The thin-film micromirror array (TMA) is a new reflective-type spatial light modulator fabricated with microelectromechanical systems (MEMS) technology. Micromachined thin-film piezoelectric actuators are used to control the tilt angle of each micromirror, which defines the gray scale of the matching screen pixel. A working projector prototype of 5400 true ANSI lumens was presented at Asian Display '98 with three VGA-format TMAchips and a 1-kW xenon lamp. The prototype showed a light-transmitting efficiency of 22%. An XGA-format TMA was developed for commercial purposes. The size of each micromirror of the XGA-format TMA is reduced to half the size of the micromirror of a VGA-format TMA. Efforts have been made to maintain the light-transmitting efficiency of the XGA TMA projector over 21%, as well as to improve the uniformity.

Instrumentation and control engineers go to great lengths to ensure availability and operability of control and information display systems for process system operation, especially for safety systems. It is critically important to maintain equipment performance within the bounds of safe operation. The most crucial safety components in your facility are the human beings controlling, maintaining, monitoring, and managing the process and equipment. Have you ever given much thought to the control systems operated by humans in your facility?

This article describes an accurate method to obtain the tone reproduction curve of display devices without using a measurement device. It is an improvement of an existing technique based on human observation, solving its problem of numerical instability and resulting in functions in log - log scale which correspond better to the nature of display devices. We demonstrate the efficiency of our technique on different monitor technologies, comparing it with direct measurements using a spectrophotometer Contract grant sponsor: European Union (Real Reflect Project); Contract grant number: IST-2001-34744. Contract grant sponsor: Spanish Government; Contract grant number: TIC2001-2416-C03-01. Contract grant sponsor: Research Promotion Foundation (Cyprus IPE Project); Contract grant number: PLHRO/1104/21

Different quality metrics have been proposed in the literature to evaluate how well a visualization represents the underlying data. In this paper, we present a new information-theoretic framework that quantifies the information transfer between the source data set and the rendered image. This approach is based on the definition of an observation channel whose input and output are given by the intensity values of the volumetric data set and the pixel colors, respectively. From this channel, the mutual information, a measure of information transfer or correlation between the input and the output, is used as a metric to evaluate the visualization quality. The usefulness of the proposed observation channel is illustrated with three fundamental visualization applications: selection of informative viewpoints, transfer function design, and light positioning This work has been funded in part by grants from the Spanish Government (Nr. TIN2010-21089-C03-01) and from the Catalan Government (Nr. 2009-SGR-643). This work has also been supported by SUR of DEC of Generalitat de Catalunya (Catalan Government).

This paper gives a comparative overview of information display systems for automobiles. It first discusses the requires that an automobile places upon display technology. It then discusses the advantages of electronic displays such as LED, vacuum fluorescent, twisted nematic LCD, and larger passive matrix and active matrix LCD. The paper notes that the coming wave of mobile computing with multimedia products will hasten the need for reconfigurable, full color displays in greater array sizes.

This paper looks at automotive display requirements, with an emphasis on the European situation. It also reviews candidate display technologies.

In this paper a type of dc-ac inverter for driving cold cathode fluorescent lamps is proposed and its characteristics are examined. The proposed inverter uses a piezoceramic transformer (PCT) as a variable gain device whose gain is controlled by driving frequency. Using the prototype model, a 20% to 100% brightness control range and better than 80% of the maximum total efficiency have been achieved. Since the PCT is a non-wound wire-type transformer, it shows superior insulation characteristics, and a thinner device is availbale even in a high voltage application. The PCT may be successfully used in the growing applications in the field of mobile information display systems by using the proposed driving system. © 1998 Scripta Technica, Electron Comm Jpn Pt 2, 81(6): 35–42, 1998