Patent ID: 7929038
Filing Date: 2011-04-19
Classification: G09G,H01L

Abstract:
1. A current drive type apparatus, comprising: a substrate having a display area and a peripheral area; a current drive type device; a device control circuit configured to control current passing through the current drive type device and being arranged in the display area; a column control circuit configured to control the device control circuit, column by column, and being arranged in the peripheral area; and a common interconnecting line being disposed in the peripheral area so as to surround the display area, wherein the current drive type device is disposed between a lower first electrode and an upper second electrode, the first electrode being electrically connected to the device control circuit, and the second electrode being electrically connected to the common interconnecting line through a contact hole, and wherein the column control circuit is divided into two circuits, one of which is disposed between the contact hole and the display area and the other of which is disposed in an outside area outside of the area between the contact hole and the display area.