You want to use a displays, but there is not enough space left? ELECTRONIC ASSEMBLY provides a solution with its EA DOG-series, a family of super slim displays with SPI and parallel interface. Because of the mechanic with pins the extremely slim displays with SPI can be mounted very cost-effective. Even together with back light these slim displays with SPI are hardly higher then seven millimeter.
The single supply with 3.3V for display and back light simplifies the use of these slim displays with SPI, too. The back lights are available in various colors.
