GRL Japan Approved as DisplayPort Authorized Test Center

June 21st, 2016 by Admin GRL

SANTA CLARA, Calif., June 21, 2016 – Granite River Labs (GRL), a global leader in engineering services and test solutions for high speed connectivity, is pleased to announce that its Shin Yokohama, Japan lab has been authorized by the Video Electronics Standards Association (VESA) to provide official DisplayPort™ logo certification testing services.  GRL Japan can now help DisplayPort adopters obtain the DisplayPort logo.

DisplayPort is a video interface standard administered by VESA that represents the new generation AV interface developed by the GPU/display industry. DisplayPort enables high display performance, robustness, versatility, the highest degree of system integration, and greater interoperability among various device types.  DisplayPort over USB-C™ enables 4K video, SuperSpeed USB, and up to 100W of power through a single, reversible USB Type-C connector, while offering the same performance and feature capability as a standard DisplayPort connection.GRL’s DisplayPort and USB-C industry contributions include:

In addition to official certification testing for DisplayPort silicon and system designs, GRL offers DisplayPort developers a wide range of services, solutions, and expertise:
  • Pre-certification and debugging support
  • Design services and consulting
  • IC characterization across Process, Voltage, and Temperature (PVT) and SERDES tuning
  • DisplayPort and DisplayPort over USB-C Electrical & Protocol Test Solutions

“GRL is pleased to support DisplayPort and DisplayPort over USB-C development in Japan,” said Miki Takahashi, GRL Vice President of Engineering and Managing Director, GRL Japan.  “GRL is a recognized leader in DisplayPort, especially in the emerging DisplayPort over USB-C ecosystem, and we have provided DisplayPort services world-wide since 2010.  We are proud to offer our technical expertise to adopters in Japan.”

“As we continue to expand the capabilities of the DisplayPort standard and add benefits for the end user, we are simultaneously increasing the value of device certification for our members,” said Bill Lempesis, Executive Director of VESA. “GRL is recognized for its technical leadership in support of the DisplayPort standard, and we are pleased to expand the certification options for members in Japan.”

For DisplayPort inquiries and testing submissions, contact Minoru Yokoyama, GRL Japan Business Development Manager.

About GRL
Granite River Labs (GRL) is a global leader providing Engineering Services and Test Solutions to help hardware engineers adopt high speed interfaces. A trusted partner of small up-and-coming hardware developers to some of the largest companies in the world, Granite River Labs combines recognized industry experts, high performance test equipment, and automated test solutions.

About VESA
The Video Electronics Standards Association (VESA) is an international, non-profit standards association representing a global network of more than 230 hardware, software, computer, display and component manufacturers committed to developing and promoting the electronics industry. DisplayPort utilizes a state-of-the-art digital protocol and provides an expandable foundation to enable astonishing digital display experiences. For more information on VESA, please visit For more information about DisplayPort, or the standard, please visit

Bill Altmann
Technical Marketing Manager
Phone: +1-408-627-7608