Display device and mother board for display device

• Main Authors: TAKASAKI RYOTA, TABATAKE HIROSHI, YANAGISAWA SYOU, IWAHASHI NAOYA, HARADA KAZUYUKI
• Format: Patent
• Language: Chinese; English
• Published: 11.06.2024
• Subjects: ELECTRICITY

The invention relates to a display device and a mother board for the display device. According to one embodiment, a display device includes: an organic insulating layer disposed across a display region and a peripheral region; a lower electrode disposed over the organic insulating layer in the display area; a rib portion formed of an inorganic insulating material and overlapping a peripheral portion of the lower electrode; a partition wall having a lower portion disposed on the rib and formed of a conductive material, and an upper portion disposed on the lower portion and protruding from a side surface of the lower portion; an organic layer disposed on the lower electrode and including a light emitting layer; an upper electrode covering the organic layer and in contact with a lower portion of the partition wall; the organic insulating layer has a first opening that exposes the terminal electrode, the rib portion extends toward the peripheral region and has a second opening that exposes the terminal electrode,