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Laser Diode Based on Organic Semiconductors

  • Magazine Article
  • TBMG-34801
Published 2019-07-01 by Tech Briefs Media Group in United States

Researchers have demonstrated that a long-elusive kind of laser diode based on organic semiconductors is indeed possible, paving the way for the further expansion of lasers in applications such as biosensing, displays, healthcare, and optical communications.


Video Graphics Modules

  • Magazine Article
  • TBMG-34536
Published 2019-06-01 by Tech Briefs Media Group in United States

WOLF Advanced Technology Stouffville, Ontario, Canada 905-852-1163


Self-Powered, Washable, Wearable Displays

  • Magazine Article
  • TBMG-34632
Published 2019-06-01 by Tech Briefs Media Group in United States

Clothing usually is formed with textiles and has to be both wearable and washable for daily use; however, smart clothing has had a problem with its power sources and moisture permeability, which causes the devices to malfunction. To solve this problem, a textile-based, wearable display module technology was developed that is washable and does not require an external power source.


Bendable Electronic Paper Displays a Range of Colors

  • Magazine Article
  • TBMG-34382
Published 2019-05-01 by Tech Briefs Media Group in United States

The combination of conductive polymers on nanostructures was demonstrated as suited to creating electronic displays as thin as paper. The “paper” is similar to the Kindle tablet. It does not light up like a standard display, but rather reflects the external light that illuminates it; therefore, it works very well where there is bright light such as sunlight, in contrast to standard LED displays that work best in darkness. At the same time, it needs only a tenth of the energy that a Kindle tablet uses, which itself uses much less energy than a tablet LED display.


Evaluation of Different ADAS Features in Vehicle Displays

University of Michigan-Abhishek Mosalikanti, Pranove Bandi, Sang-Hwan Kim
Published 2019-04-02 by SAE International in United States
The current study presents the results of an experiment on driver performance including reaction time, eye-attention movement, mental workload, and subjective preference when different features of Advanced Driver Assistance Systems (ADAS) warnings (Forward Collision Warning) are displayed, including different locations (HDD (Head-Down Display) vs HUD (Head-Up Display)), modality of warning (text vs. pictographic), and a new concept that provides a dynamic bird’s eye view for warnings.Sixteen drivers drove a high-fidelity driving simulator integrated with display prototypes of the features. Independent variables were displayed as modality, location, and dynamics of the warnings with driver performance as the dependent variable including driver reaction time to the warning, EORT (Eyes-Off-Road-Time) during braking after receiving the warning, workload and subject preference. The primary results were in line with previous research, validating previous claims of the superiority of HUD over HDD in warning delivery. It was also found that the text format of the warning yielded higher response rates along with lower workload, while most participants preferred the dynamic bird’s eye view layout.
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Automation Tool for Meter Cluster Display System

Calsonic Kansei Corp.-Masatoshi Arai
Published 2019-04-02 by SAE International in United States
Meter clusters display conventional warnings as well as complicated messages such as ADAS. The display systems of meter clusters are developed using model-based development methods, which include two kinds of models: GUI models and logic models. GUI models display pictures and messages according to the instructions of logic models' output, which are generally formulated using MATLAB/Simulink. Testing and validation of logic models are also performed using MATLAB/Simulink. GUI models are made using GUI tools and can be operated graphically. However, approximately nine million manual operations are necessary for each system. In this way, GUI tools are bound to cause human errors that are difficult to identify. In this study, an automatic layout tool is developed to improve the operation efficiency of the GUI model and reduce any human errors. The automatic layout tool for GUI model has three functions: an arrangement function, a localize function, and a check function. The localize function obtains the pictures and messages from the specifications according to the country information. The arrangement function decides the position of the pictures and…
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Touch Interactive Display Systems: Human Factors Considerations, System Design and Performance Guidelines

G-10TDS Touch Interactive Display Systems Committee
  • Aerospace Standard
  • ARP60494
  • Current
Published 2019-02-06 by SAE International in United States
This Aerospace Recommended Practice (ARP) addresses direct touch interactive electronic display systems installed in the cockpit/flight deck for use by pilots. Direct touch refers to interactivity where the display screen is the input surface. This entire direct interactive electronic display system is referred to as the touch system throughout this document and covers those items related to direct interactive touch on display devices. In cases where only the display and touch device are being considered, this is referred to as the touch screen. The ARP covers system design guidelines as well as the considerations and recommendations for system performance and human factors. This ARP is intended to cover systems installed in 14 CFR Part 23, 25, 27, and 29 aircraft. As an ARP this document collects what are considered good practices by developers, users, and regulators of touch systems. The state of touch technology and the application of that technology is still evolving. As a result, it is premature to develop quantitative guidance for some key touch characteristics. In addition to the recommendations, this document…
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CES 2019: Blueprint for future auto shows?

Automotive Engineering: February 2019

Lindsay Brooke, Terry Costlow, Paul Eisenstein, Bill Visnic
  • Magazine Article
  • 19AUTP02_02
Published 2019-02-01 by SAE International in United States

Mobility technology of every stripe was showcased at this year's techfest in Vegas.

The mammoth annual trade event formerly known as the Consumer Electronics Show has escalated into an automotive techfest, with OEMs and suppliers of every size and from every industry segment using the week-long event to showcase their advanced technologies. It's a mind-boggling, often unwieldy and grueling grind in Las Vegas for reporters, but CES is undeniably a must-attend event both for media and for all organizations working in autonomous and connected mobility.

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Securing Inter-Processor Communication in Automotive ECUs

Visteon Technical Services Center-Karthik Shanmugam
Published 2019-01-09 by SAE International in United States
Modern cars now come with sophisticated telemetry which often involve connecting to the internet over mobile telephone networks or Wi-Fi. The telemetry or cloud functions of the car is typically handled by a Telematics Control Unit or the Infotainment System. The microcontrollers (Host Processor) powering the ECUs are very powerful and often have operating systems such as Linux or QNX to drive the large displays or perform modem functionalities. These powerful microcontrollers take several seconds to startup and does not offer hard real-time performance - both of which are critical to handle the vehicle CAN network. Hence, it is common to include a less powerful microcontroller to the ECU to perform the management of the vehicle CAN network. These smaller microcontrollers (Vehicle Processor) can startup fast and provide hard real-time performance. The Host Processor and the Vehicle Processor are connected by the Inter-Processor Communication Link (IPCL) to exchange information between them. This communication link, while often overlooked regarding complexity and importance, must be included in security/threat analysis, as well. This was made obvious when the…
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Intel Study: Autonomous Vehicles Expected to be Common - in 50 Years

Autonomous Vehicle Engineering: January 2019

Paul Seredynski
  • Magazine Article
  • 19AVEP01_05
Published 2019-01-01 by SAE International in United States

New U.S. consumer survey sees most Americans “expect” AVs, though many currently fear the technology.

Smart phones appear set to expand their burgeoning role in the automotive industry. The MIPI Alliance, which created interface standards for cameras and displays, plans to have a high-speed automotive standard ready by the end of 2019.

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