 
 <prompt> Wetin dey replace for here? Based on di last question, write one context wey contain di answer. E fit be 1 - 20 sentences. Context: <response>: Alphanumeric LEDs dey available in 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 popular well well 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. 