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Display Technology, Journal of

Issue 4 • Date April 2011

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Displaying Results 1 - 17 of 17
  • [Front cover]

    Publication Year: 2011 , Page(s): C1
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  • Journal of Display Technology publication information

    Publication Year: 2011 , Page(s): C2
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  • Table of contents

    Publication Year: 2011 , Page(s): 165
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  • Blank page

    Publication Year: 2011 , Page(s): 166
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  • Visual Display Effectiveness at Mesopic Luminances

    Publication Year: 2011 , Page(s): 167 - 169
    Save to Project icon | Request Permissions | Click to expandQuick Abstract | PDF file iconPDF (225 KB) |  | HTML iconHTML  

    Visual displays used in nighttime driving and some other applications require low luminances. Visual performance under mesopic light levels is not well characterized using conventional photopic photometric quantities. Response times to flashed decrement targets against colored backgrounds on a computer monitor display were systematically shorter for blue than for red backgrounds. Responses were consistent with a unified system of photometry that models the relative contributions of rod and cone photoreceptors at mesopic light levels. The empirical data and unified photometric system can have practical application for the design of displays in low-light applications. View full abstract»

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  • A Single-Cell-Gap Transflective Display Using a Blue-Phase Liquid Crystal

    Publication Year: 2011 , Page(s): 170 - 173
    Cited by:  Papers (2)
    Save to Project icon | Request Permissions | Click to expandQuick Abstract | PDF file iconPDF (713 KB) |  | HTML iconHTML  

    A single-cell-gap transflective display using a blue-phase liquid crystal (BP-LC) is proposed. In order to balance the optical phase retardation between transmissive (T ) and reflective (R) regions, in-plane protrusion electrodes are formed in both T and R regions on the bottom substrate, and only in the T region on the top substrate. The device exhibits well-matched voltage dependent transmittance and reflectance curves, a low operating voltage, and a wide viewing angle. View full abstract»

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  • Multicolor Virtual Matrix LED Display Controlled by D-Type Flip-Flop Drivers

    Publication Year: 2011 , Page(s): 174 - 180
    Save to Project icon | Request Permissions | Click to expandQuick Abstract | PDF file iconPDF (1373 KB) |  | HTML iconHTML  

    Light-emitting diode (LED) displays are currently experiencing a growing interest in many applications such as publicity, mass shows, etc., because of their high performance in terms of component reliability, brightness, power efficacy, modularity and scalability. However, the complexity of the control architecture of the present designs, based on current drivers, is the biggest obstacle to a significant cost reduction and massive spreading of this technology. In this paper, a new control architecture based on D-type flip-flops registers (HC logic) is presented. This design reduces in a significant way the cost and complexity of the large LEDs displays. It works as a write only memory on the basis “it is seen what is saved”. This design is adequate for variable brightness screens on multicolor displays. View full abstract»

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  • Electroluminescence From Polar Nonlinear Optical Chromophore With Low Turn-On Voltage

    Publication Year: 2011 , Page(s): 181 - 185
    Save to Project icon | Request Permissions | Click to expandQuick Abstract | PDF file iconPDF (884 KB) |  | HTML iconHTML  

    Structure property relationships have been studied for polar and non-polar electro-luminescent molecules. The polar chromophore with a large red-shift shows a lower turn-on voltage than its non-polar counterparts. The I-V curves show characteristic diode behavior. The external quantum efficiency measurements for the polar molecule shows a four times higher quantum efficiency than the other molecules. View full abstract»

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  • 3D Images Using CSpace Display for Air Traffic Control Applications

    Publication Year: 2011 , Page(s): 186 - 192
    Cited by:  Papers (2)
    Save to Project icon | Request Permissions | Click to expandQuick Abstract | PDF file iconPDF (862 KB) |  | HTML iconHTML  

    We explore here the capabilities and performance issues encountered when using a novel static volume display, CSpace, for realizing moving images required to deliver real time three-dimensional (3D) visualization and manipulation for Air Traffic Controllers (ATC). The display uses a 19 mm ×18 mm × 100 mm 2% Erbium-doped sodium-ytterbium-fluoride (NYF) crystal as the image space, and a pair of digital micromirror devices (DMD) to address and render successive slices of the image within the crystal. Display-specific software and digital light processing (DLP) boards provide image data to and control the DMD devices respectively. The ability to render and display moving images quickly enough for applications such as air-traffic control is strongly dependent on several factors, including the speed of the software and hardware components. 3D images of aircraft in the sky and terrain were captured to explore how well the display performed as the time between successive images in a short motion sequence was systematically reduced, and to examine the key factors that control the performance of the display in presenting these images. View full abstract»

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  • Head-Mounted Display for Diving Computer Platform

    Publication Year: 2011 , Page(s): 193 - 199
    Cited by:  Papers (1)  |  Patents (3)
    Save to Project icon | Request Permissions | Click to expandQuick Abstract | PDF file iconPDF (664 KB) |  | HTML iconHTML  

    Dive Computers are usually integrated in a console or wrist worn. They display dive relevant data such as depth, time and decompression obligations. Continuous monitoring of these data is of the utmost importance for safety when diving. This paper describes a light weight, 300 m water resistant, graphical head-mounted matrix display (HMD), which is connected to a wrist worn diving computer and that gives an exact copy of the diving computer screen. Optical components are included to display a virtual image from a distance of 1.0 m. The monocular HMD only occludes a small peripheral area of the divers field of view thus causes relatively little optical interference. The unique design, which enables attachment to almost any diving mask on the market, furthermore allows outstanding pressure resistance and at the same time cost effective manufacturing. View full abstract»

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  • Explanation for Luminance Saturation of PDP Phosphor

    Publication Year: 2011 , Page(s): 200 - 207
    Save to Project icon | Request Permissions | Click to expandQuick Abstract | PDF file iconPDF (462 KB) |  | HTML iconHTML  

    Luminance saturation is primary determined by whether the decay time is on the order of microseconds ( μs) or milliseconds (ms), that is, whether or not electric dipole moment transitions are allowable. For prohibited or magnetic transitions, for which electric dipole moment transitions are not allowable (phosphors with ms-order decay times), there is no linear relationship between decay time and luminance saturation. In order to explain the luminance saturation of phosphor with ms-order decay time in plasma display panel we proposed non-radiative transitions as a cause of luminance saturation and derived simulation formulas based on them. The results from the simulation were in good agreement with those from the experiments. View full abstract»

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  • Crosstalk Evaluation in Stereoscopic Displays

    Publication Year: 2011 , Page(s): 208 - 214
    Cited by:  Papers (7)
    Save to Project icon | Request Permissions | Click to expandQuick Abstract | PDF file iconPDF (1045 KB) |  | HTML iconHTML  

    Substantial progress in liquid-crystal display and polarization film technology has enabled several types of stereoscopic displays. Despite all progress, some image distortions still exist in these 3-D displays, of which interocular crosstalk-light leakage of the image for one eye to the other eye-is probably the most annoying. The aim of the current research is to investigate how the two most important physical quantities, contrast and binocular disparity, influence crosstalk perception. Images consisting of a single character and varying in contrast and disparity were computer-generated to measure crosstalk visibility and acceptability thresholds for two stereoscopic displays; one display was based on active shutter glasses, and the other on passive glasses. Results show that, under the same experimental condition, there is no significant difference in crosstalk perception between both 3-D display technologies. Crosstalk annoyance increases with increasing contrast and disparity, i.e., less crosstalk is allowed for higher levels of contrast and disparity. Based on the experimental results, an analytical formula for predicting crosstalk perception is proposed. View full abstract»

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  • 2-D/3-D Switchable Display by Fresnel-Type LC Lens

    Publication Year: 2011 , Page(s): 215 - 219
    Cited by:  Papers (10)
    Save to Project icon | Request Permissions | Click to expandQuick Abstract | PDF file iconPDF (731 KB) |  | HTML iconHTML  

    We demonstrate a multi-electrode Fresnel-type 2-D/3-D switchable display with electrically controlled birefringence mode liquid crystal (LC) lenses. By applying a discontinuous nonuniform electric field, the display with this structure can form a Fresnel-type refractive-index distribution to generate 3-D images. Compared to a normal LC lens, the Fresnel-type LC lens can achieve faster switching speed for dynamic applications. It can also replace the high sag solid lens for 3-D applications with relatively small cell gap. Furthermore, a Fresnel lens with suitable refractive-index profile is proposed to reduce the crosstalk in the 3-D displays. View full abstract»

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  • Blank page

    Publication Year: 2011 , Page(s): 220
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  • Why we joined

    Publication Year: 2011 , Page(s): 221
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  • Journal of Display Technology information for authors

    Publication Year: 2011 , Page(s): C3
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  • Blank page [back cover]

    Publication Year: 2011 , Page(s): C4
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Aims & Scope

This publication covers the theory, design, fabrication, manufacturing and application of information displays and aspects of display technology.

Full Aims & Scope

Meet Our Editors

Editor-in-Chief
Arokia Nathan
University of Cambridge
Cambridge, U.K.