Toshiba America Electronic Components, Inc. (TAEC) has announced new color active-matrix, thin film transistor (TFT) LCD modules for industrial applications with long-life, light-emitting diode (LED) backlight systems with a Mean Time Between Failure (MTBF) of 100,000 hours (approximately 11.4 years). Developed by Toshiba Mobile Display Co., Ltd. (TMD), the modules are designed to satisfy the requirements of a broad range of industrial applications, such as test and measurement equipment, medical equipment, mobile computing devices and more, utilizing the latest LED backlight technology.
Compared to CCFL (cold-cathode fluorescent lamp) backlit displays, the mercury-free LED-backlit displays feature superior characteristics such as lower electromagnetic noise and lower power consumption, and offer a wider adjustable luminance range. The new LED-backlit displays do not require the high-voltage and high-frequency circuits needed to control luminance in CCFL-backlit displays, thus enabling a higher level of flexibility in system design in terms of safety, electromagnetic interference (EMI) compensation, and system architecture.
The successful development of a backlight system with an MTBF of 100,000 hours fulfills typical product longevity requirements for industrial applications with frequent or continuous operation with minimal maintenance. The modules have been designed with a replaceable backlight structure to accommodate product longevity requirements encountered in some harsh industrial environments. TMD has also added LED driver circuitry into the electrical interface for the displays, to simplify design-in time and cost.