

A new line of sunlight-readable displays is built specifically for use in outdoor applications. Engineers can choose a traditional passive backlit option, a transflective display that reflects ambient light out of the display, and a hybrid solution that consists of both transflective and passive elements. The rugged displays are specified for use in applications sensitive to ambient light, such as marine displays, outdoor kiosks, as well as GPS positioning displays and other handheld portable devices. Many ambient light issues can often be resolved via LCD backlight brightness. Although suitable for certain applications, backlighting can create power consumption and heat dissipation issues for others. Transflective panels reflect ambient light entirely to augment the display’s performance in direct sunlight. The hybrid solution relies on passive elements to enhance the display’s transmissive and/or reflective brightness. Sunlight readability of the display can be enhanced using optical management films, polarizers, and diffusers. Various coatings, such as contrast enhancement, index matched, and antireflective, can also be applied to improve readability. The hybrid technology is not only designed to improve readability, it is built to reduce PC board space, minimize power-consumption and thermal-management issues often seen in backlighting solutions, and avoid limited transmissive luminance and size constraints of transflective panels.
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