LIGHTING DEVICE FOR TOUCH- AND OBJECT-SENSITIVE DISPLAY Russian patent published in 2014 - IPC G02F1/13357 

Abstract RU 2532696 C2

FIELD: electricity.

SUBSTANCE: integrated vision and display system contains a layer generating display image; image detector is designed for visualisation of infrared radiation in the narrow range of angles in regard to display surface normal and it includes reflection of one or more objects at the display surface or close to it; radiator of the vision system is designed to radiate infrared radiation for the purpose of objects lighting; light waveguide passes visible and infrared radiation and has the opposite upper and/or lower surfaces designed to receive infrared radiation from the vision system radiator, to guide infrared radiation by TIR from the upper and lower surfaces and projection of infrared radiation to an object outside limits of the narrow range of angles in regard to display surface normal.

EFFECT: improving functionality and small size of the device.

14 cl, 14 dwg

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RU 2 532 696 C2

Authors

Pauehll Karlton

Masalkar Prafulla

Lardzh Timoti

Behtich Stiven

Dates

2014-11-10Published

2010-08-20Filed