導光体

WO2015167683(特表2017-514232)
(Ab)
"This disclosure provides systems, methods and apparatus related to touch and gesture recognition with an electronic interactive display. The interactive display has a front surface（前面）that includes a viewing area, a planar light guide（導光体）disposed proximate to（近接し）and behind the front surface, a light source, and at least one photo sensing element（感光素子）coupled with（結合）the first planar light guide. The planar light guide is configured to receive scattered light, the received scattered light resulting from interaction between light emitted by the light source and an object in optical contact with the front surface. The photo sensing element is configured to detect at least some of the received scattered light and to（＊toの繰り返し）output, to a processor, image data. The processor is configured to recognize, from the image data, one or both of a contact pressure and a rotational orientation of the object."

WO2013134017(特表2015-509655)
"17. A backlight assembly configured to provide backlight illumination for a display, comprising:
a light guide plate（導光板）having a surface from which the backlight illumination is provided to the display and having an edge into which light is launched（送り出され）to form the backlight illumination;
a plurality of light guides（導光体）having respective ends coupled to the edge of the light guide plate, wherein the light guides are configured to guide the light via total internal reflection."