Title:
DISPLAY DIVICE
Document Type and Number:
Japanese Patent JP2023136831
Kind Code:
A
Abstract:
To provide a display device comprising a structure improved for supplying a voltage to an upper electrode of a display element.SOLUTION: A display device according to an embodiment, comprises: a substrate; a circuit layer that contains a pixel circuit arranged in a display region containing a pixel and a metal power supply wire arranged in a peripheral region; an insulation layer that covers the circuit layer; a lower electrode that is arranged to an upper direction of the insulation layer in the display region, and to which a voltage is supplied from the pixel circuit; a rib that includes an open overlapped with the lower electrode; a barrier wall that is arranged to the upper direction of the rib in the display region; an upper electrode that is opposite to the lower electrode and is connected to the barrier wall; an organic layer that is arranged between the lower electrode and the upper electrode, and emits a light in accordance with a potential difference of the lower electrode and the upper electrode; and a conductive layer that is arranged in the peripheral region and is connected to the barrier wall. The barrier wall and the conductive layer include a metal lower part, and an upper part projected from a side surface of the lower part. In a first contact part positioned in the peripheral region, the lower part of the conductive layer and the power supply line are contacted.SELECTED DRAWING: Figure 9
Inventors:
TABATA HIROSHI
Application Number:
JP2022042744A
Publication Date:
September 29, 2023
Filing Date:
March 17, 2022
Export Citation:
Assignee:
JAPAN DISPLAY INC
International Classes:
H05B33/02; G09F9/30; H05B33/04; H05B33/12; H05B33/22; H10K50/10; H10K59/10
Attorney, Agent or Firm:
Suzue International Patent Office