F3Patch lamp bead
LED Beads
Keyword:
When electrons and holes are combined, they can emit visible light, so they can be used to make light-emitting diodes. It can be used as an indicator in the circuit and instrument, or form a text or digital display. Gallium arsenide diode emits red light, gallium phosphide diode emits green light, silicon carbide diode emits yellow light, and gallium nitride diode emits blue light. It can be divided into organic light-emitting diode OLED and inorganic light-emitting diode LED due to its chemical properties.
LED was initially used for indicative lighting of instruments and meters, and then extended to traffic lights. Then to landscape lighting, vehicle lighting, mobile phone keyboard and backlight. Later, a new technology of micro-LED was developed, which greatly reduced the size of the original light-emitting diode, and used the red, blue and green micro-LED which can independently emit light to form a display array for display technology. Miniature light-emitting diodes have the characteristics of self-luminescent display, which is more efficient than organic light emitting diodes (Organic Light Emitting Diode OLEDs) with self-luminescent display, longer service life, and relatively stable materials that are not easily affected by the environment.
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