Final answer:
The short film by Pixar about a lamp is called 'Luxo Jr.' which also became the company's iconic logo.
Step-by-step explanation:
The short movie that Pixar made about a lamp is called Luxo Jr. This character is a small, animated desk lamp and not only starred in the short film but also later became the iconic logo for Pixar Animation Studios. Luxo Jr. was a groundbreaking work at the time of its release in 1986, showcasing the potential of computer animation in film. It was directed by John Lasseter and produced by Pixar. In the short, the lamp interacts with a ball, showcasing personality and emotion through its movements, without any spoken dialogue, which became a hallmark of Pixar's storytelling style.