Thames Television (Break Bumpers)

Bumper (September 4, 1989-December 31, 1992)
Visuals: On a black background, a light blue triangle can be seen without text at all, which fades via a mixed-line effect.

Variant: Starting on September 3, 1990, the triangle was coloured in dark blue to match the new logo.

Technique: Computer animation.

Audio: None.

Availability: Seen on Thames Television advertisements.