Customers enter a Family Dollar store on Plaza Boulevard, in Kinston, N.C. Thereâs now a bidding war for Family Dollar, with Dollar General offering about $9.7 billion for the discounter in an effort to trump Dollar Treeâs bid of $8.5 billion. There's now a bidding war for Family Dollar, with Dollar General offering about $9.7 billion for the discounter in an effort to trump Dollar Tree's bid.
And in Indirect Incidence, both the IR LED and Photo diode are placed in parallel (side by side), facing both in same direction. In that fashion, when a object is kept in front of IR pair, the IR light gets reflected by the object and gets absorbed by photodiode.
LCD (liquid crystal display) is a display technology. LED (light emitting diode) is an illumination technology. There is a break down here in understanding of terminology (You said it perfectly however). LED is a light emitting diode - ie: a type of light bulb. And LCD is a liquid crystal display. It does not emit light by itself. It is always backlit from an independent light source.