Hardware drives KOE LVDS TFT displays

Described as an easy-to-use display interface card, KARD has been designed by KOE to provide simple, straightforward evaluation of a display’s optical performance.

Industrial LCD manufacturer KOE (Kaohsiung Opto-Electronics) has been actively developing a series of value-added support tools to enable customers to assess and appraise the optical performance of LVDS-enabled medium-size TFT display modules. The KARD interface board allows optical performance characteristics such as contrast, brightness, colour saturation and viewing angle to be reviewed and tested within a design and development environment.

The fully embedded GPU on the KARD display interface board supports both HDMI and DisplayPort input interfaces and generates a video output signal via a 20-pin LVDS interface to drive TFT display modules with a display resolution of 640 x 480 pixels up to 1920 x 1080 pixels.

An additional on-screen display (OSD) control board, which connects to the KARD driver board via an OSD interface cable, features five micro push-button switches supporting power off, pulse width modulation (PWM) backlight brightness control, a HDMI/DisplayPort input signal selector, and display resolution configuration.

The KARD interface board is the size of a standard business card, measuring just 55 x 90 x 14.5mm. The KARD display interface board provides support for a range of KOE TFT display modules, from 5.7-inch up to and including 12.3-inch, which feature a 20-pin LVDS data interface.

KOE can support bespoke custom design requirements for the KARD including alternative data interfaces, display connections and touch functionality.

Benson Huang, KOE’s marketing manager, said: “We are very keen to ensure our customers have access to easy-to-use, cost-effective design support solutions when using KOE TFT display modules. We are proactively enhancing an expanding range of value-added services and solutions that include touchscreens, optical bonding, high brightness backlights and display interface boards.”

The KARD display interface board is now available from KOE’s worldwide sales channel and distribution partners.


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