![]() ![]() LGF is a better alternative to polycarbonate and other light guides because it is more cost efficient and does not degrade over time. Another key feature is that it allows segmentation of light to avoid light leakage between specific areas or colors. This allows light to be transmitted through tight areas, resulting in uniform distribution of light regardless of the distance from the LED’s. A benefit of Light Guide Film is that it is ultra-thin and can be placed directly over metal domes. The pattern of the white refracting printed dots or etched patterns can be easily customized to any design. When side firing LEDs are positioned at the edge of the Light Guide Film, the light is internally transmitted along the LGF until it reaches the area where there are white refracting printed dots. The film, which is thinner than a paper, directs the light to a target enabling the user of the device to identify the illuminated keys on the keypad. The technology works by directing the light from LEDs into thin plastic films The film directs the radiant light to a desired precise location on the surface. The films can be used on switches, keypads, and keyboards among other surfaces that need to be illuminated. It can be used in any device that needs back lighting. The technology is used in many industries from medical to safety and industrial controls. The technology converts a thin plastic film as thin as 0.003 inches into a light director. Unlike the preceding technologies, Light Guide Film Technology is exceedingly precise. Considering the environment and the context in which the user needs to operate the instrument should be thought about before designing your interface. This technology adds a significant value as a part of a membrane switch, as it makes it possible to use them in a wide variety of lighting conditions. Light Guide film directs the light from the LED’s onto the interface to enable the user to view the printed icons. This allows a variety of options when designing the user interface. Icons printed on the overlay can be opaque, transparent, or dead-front. They can even signal where a user needs to press to send a command. Lighting is a visual indicator that commands have been received and accepted. Membrane switches are used in human interface design and allow communications and commands to be sent from the user to the instrument. This allows the interface to have a very low profile. Membrane Switches differ from mechanical switches in that physical switches are made of copper wires and plastic buttons, while membrane switches are electronic circuits printed on PET or PC. Light Guide Film Technology inside of Membrane Switches ![]() The lighting can be attained by a printed circuit with LEDs directly under the light guide film or from LEDs within the instrument itself. This uniformly illuminates the background when lighting is applied to the film. Light guide film is placed under a graphic overlay and applied to instrument surfaces. Light Guide Film Technology has not only presented efficiency to the back lighting industry but also sleekness, and compliance with the demands of the market. ![]() This was selected as an option to fill this gap in the market. The results were Light Guide Film Technology. Innovators investigated advanced back lighting solutions. ![]() The backlighting technology must conform. Today, wearable technology and user interfaces are increasingly made smaller, lighter, and slimmer. Well designed Light Guides provide uniform illumination for a variety of custom applications. To enhance the lighting effects of your product, we design Light Guides to evenly distribute light from top firing or side-firing LED’s. ![]()
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