After having the same light bulb for over 20 years, WALL•E had to replace it for it when it went out, which can be seen in the trailer for WALL•E, replacing the standard bulb with a compact fluorescent. Luxo, Jr. has been seen in every Pixar feature film and short film since Toy Story, during the film's introduction and at the end of the credits as the I of the Pixar logo.
Luxo, Jr.'s most recent (temporary) upgrade was that of a laser for the teaser, and regular trailers of Cars 2.
- A picture from Luxo, Jr. can be seen on the wall in Tin Toy.
- Luxo, Jr. appears as a constellation in outer space in the opening scene for Toy Story 2 right before Buzz Lightyear appears.
- A Luxo, Jr. lamp can be seen in the bike shop in Red's Dream.
- A red version of Luxo, Jr. is seen on Andy's desk in Toy Story, Toy Story Treats, Toy Story 2, and Toy Story 3.
- A red version of Luxo, Jr. is seen in Bonnie's room in Hawaiian Vacation.
- The Luxo, Jr. can be seen twice on the credits of Cars 2: The first over looking the Pixar Studios building on a map, and the second in an advertisement for "Air Luxo."
- The Luxo, Jr. also appears in one of the icons in Icon Pop Brand by Alegrium. It appears in Level 2.
- Luxo, Jr. appears as a playable character in LEGO The Incredibles (Video Game) under the name "Junior".
- The inspiration for the design and size of Luxo, Jr. came from Spencer Porter, son of Tom Porter, who had brought his son to work one day and John Lasseter was inspired by how much larger Spencer's head was compared to the rest of his body, plus the size of his eyes compared to the rest of his head.
- The animation of the Pixar Logo lamp was done by Pete Docter.