LEDs developed to be integrated into computer chips.
Islamabad -- The advance could cut production costs and reduce the size of microelectronics for sensing and communication. Light-Emitting Diodes (LEDs) can do way more than illuminate your living room. These light sources are useful microelectronics too.Smartphones, for example, can use an LED proximity sensor to determine if you're holding the phone next to your face (in which case the screen turns off). The LED sends a pulse of light toward your face, and a timer in the phone measures how long it takes that light to reflect back to the phone, a proxy for how close the phone is to your face. LEDs are also handy for distance measurement in autofocus cameras and gesture recognition.One problem with LEDs...
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