Assertion: early led | /r/ObjectUse | used as indicator lamps
Facets:
value: often
type: TEMPORAL
value: for electronic devices
type: PURPOSE
Source sentences:
text: Early LEDs were often used as indicator lamps, replacing small incandescent bulbs, and in seven-segment displays.
text: Early LEDs were often used as indicator lamps for electronic devices, replacing small incandescent bulbs.
text: Early LEDs were often used as indicator lamps for electronic devices, replacing small incandescent bulbs.
text: Early LEDs were often used as indicator lamps for electronic devices, replacing small incandescent bulbs.