Displays used for defense and security can often be a critical component in analysis where image data needs to be
converted to actionable information with accuracy and speed. In situations where complex and/or time-critical image
data are being processed, 3D displays have been historically used to maximize accuracy, comprehension and efficiency
in the analysis process, and could be used more widely today. While the ideal 3D display technology does not yet exist,
viable 3D display products have become available in recent years for many applications. These new products are driven
by advancements in display technology at large. This paper will provide a brief overview of 3D perception and imaging,
an overview of current 3D display technology and a discussion of current and potential near term applications for 3D
displays.
A novel stereoscopic/3D desktop monitor has been developed that combines the output of two active matrix LCDs (AMLCDs) into a stereo image through use of a unique beamsplitter design. This approach, called the StereoMirror, creates a stereo/3D monitor that retains the full resolution, response time and chromaticity of the component displays. The resultant flicker-free image, when viewed with passive polarizing glasses, provides an unprecedented level of viewing comfort in stereo. The monitor also is bright enough to use in normal office lighting. The display has excellent optical isolation of the two stereo channels and a wide viewing angle suitable for multi-viewer use. This paper describes the architecture of the system and the principal of conservation of polarization that results in the full-definition stereo image. Optical performance results are also described. Practical considerations will be discussed, including system interface requirements, conversion between stereo/3D and monoscopic viewing and comparison to other stereo display approaches. The higher level of performance provided by the StereoMirror allows for stereo viewing to be viable in new imaging markets as well as permitting a more effective use of stereo in existing markets. These applications are discussed.
Experimental and theoretical results are presented on the lifetime of organic light emitting diodes (OLEDs) for active matrix display applications. DC aging tests on the OLEDs show that the driving voltage increases under forward bias and then reverse its trend when the bias polarity is reversed, which reproduce our previous test under AC conditions. Furthermore, the voltage seems to be able to relax slowly toward its initial value when the device bias is reset to zero after a long forward bias stress. The mobile ions are proposed to be the origin of the observed voltage shifts. By solving a system of transient equations governing the mobile ion motion under an external field, we obtained the transient mobile ion distributions and their contribution to the driving voltage. Several cases were studied. We found that the mobile ion model with reasonable assumptions could very well explain the experimental results. Furthermore, by comparison between the data and simulation, the possibility of the initial mobile ion sources can be narrowed.
Larry Arbuthnot, Fu-Lung Hsueh, James Hsu, Steven Connor, Roger Stewart, Alfred Ipri, Thomas Keyser, Sam Schlesinger, Gerry Becker, Dan Kagey, Tin Nguyen, Steven Wald, Ken Ping, Martin Aguilera, Patrick Green, Bill Sproull, Christopher King
Using a 12 by 12 micrometers pixel cell and 1.0 micrometers deign rules, a 0.7-inch diagonal 1280 by 1024 active matrix electroluminescent (AMEL) display has been designed and demonstrated using a silicon-on-insulator based CMOS technology. The display accepts data at 100 MHz via eight data inputs and provides five bits of gray scale. A total of 24 connections are used for all display functions. Architecture, theory of operation, and detailed specification for this new 2000 line-per-inch display will be discussed. The display is the same size as Planar's previously developed AMEL 640 by 480 arrays, thus providing over tour times the number of pixels in the same footprints as the prior design. The display provides workstation resolution in an extremely compact format and offers the same environmental robustness and optical performance as previously demonstrated in 1000 line-per-inch AMEL displays.
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