Patent ID: 9322869
Filing Date: 2016-04-26
CPC Classification: G01R,G09G

Claim Text:
1. An apparatus, comprising: an array of image forming display elements arranged across a viewing region of a display, each of the image forming display elements having an associated image forming display element pixel circuit capable of controlling the state of its respective image forming display element; a dummy display element positioned outside of the viewing region, the dummy display element having a dummy display element pixel circuit that is substantially similar to each of the image forming display element pixel circuits, the dummy display element pixel circuit capable of controlling the state of the dummy display element and to allow the testing of a plurality of thin-film transistors (TFTs) included in the dummy display element pixel circuit; a drive bus capable of outputting drive and control signals to the image forming display elements and to the dummy display element; a test bus capable of outputting test signals to the dummy display element pixel circuit; and a set of switches capable of: