 
 <prompt> Wetin be di different types of light emitting diodes wey dey? Based on di question wey dey above, write a context wey contain di answer. E fit be 1 - 20 sentences. Context: <response>: ```Alphanumeric LEDs dey available for seven-segment, starburst and dot-matrix format. Seven-segment displays fit handle all numbers and small small letters. Starburst displays fit show all letters. Dot-matrix displays usually dey use 5x7 pixels per character. Seven-segment LED displays bin dey very common for the 1970s and 1980s, but as people dey use liquid crystal displays wey dey use less power and get better display options, e don reduce the popularity of numeric and alphanumeric LED displays.``` 