The light-emitting semiconductor material determines the LED's color, so the number of colors is infinite. As indicated by its full name â Light Emitting Diode â an LED is a diode that emits light. A diode is a device that allows current to flow in only one direction. Almost any two conductive materials will form a diode when placed in contact with each other â with a single p-n semiconductor junction between them.
For other uses, see Texas Longhorn (disambiguation) and Longhorn (disambiguation). The Texas Longhorn is a breed of cattle known for its characteristic horns, which can extend to over 1.8 m (5.9 ft) tip to tip for bulls, and 2.1 m (6.9 ft) tip to tip for steers and exceptional cows.
Texas Longhorns are: A college football team of the Texas A&M UniversityA breed of bovine with varied colour patterns and long horns that are the descendants of the original â¦ Spanish cattle that first came to the Americas in the late 13th century, and are tough and durable cattle that can survive in the hot and dry or hot and humid conditions of the South.