79171116
Apr 6, 2015
Jan 31, 2017
Electronic machines, apparatus and their parts, namely, light diffusion sheets sold as an integral part of a liquid crystal display for providing uniform brightness of liquid crystal display for back lights; liquid crystal displays for computers; organic EL display devices, namely, organic electroluminescent display panels; back light units of liquid crystal display devices; light emitting diodes (LEDs) ; light guide plates; light guide films and light guide sheets for use in the back light units of liquid crystal display devices
Electrical and Scientific Apparatus