The is a 22-inch LED TV, and a ".bin" file associated with it typically refers to the EEPROM or flash memory firmware used by technicians to repair the TV's mainboard.
Official firmware for LG TVs is typically provided in a compressed format (like a ZIP file) which, when extracted, contains the necessary binary data for the update. Download 22LN4050 bin
If the TV is still functional and you have an official update file: The is a 22-inch LED TV, and a "