The SARK-110 has several sources for the display. Datasheets of the original displays are available at the bottom of this page.
The firmware supports the following display controllers:
It is possible to find other compatible displays, such as: 3.0 inch 37P TFT LCD Screen (16:9) (No Touch Panel) R61509V
The mechanical fitting of this display is a bit different: it does not have the metallic tabs for soldering to the board, but it does include double-side adhesive to bond it to the board.
The LCD flex cable can be soldered to the board using a solder iron with a fine tip, taken care not to overheat the plastic material of the cable.