Display device and manufacturing method thereof
AssigneeJapan Display Inc.
InventorShiro SUMITA
Life of this patent
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Abstract
A display device includes: a pixel electrode formed in a display area; an organic layer formed on the pixel electrode and including a light emitting layer; a counter electrode formed on the organic layer; a sealing layer formed on the counter electrode; a drive circuit formed in a picture-frame area as an area outside the display area and controlling light emission of the light emitting layer; a first test electrode formed in the picture-frame area and electrically separated from the drive circuit; and a picture-frame insulating layer formed on the first test electrode.
Claims11
A display device comprising:
- a pixel electrode formed in a display area;
- an organic layer formed on the pixel electrode and including a light emitting layer;
- a counter electrode formed on the organic layer;
- a sealing layer formed on the counter electrode;
- a drive circuit formed in a picture-frame area as an area outside the display area and controlling light emission of the light emitting layer;
- a first test electrode formed in the picture-frame area and electrically separated from the drive circuit;
- and
- a picture-frame insulating layer formed on the first test electrode.
A manufacturing method of a display device including a pixel electrode formed in a display area, an organic layer formed on the pixel electrode and including a light emitting layer, a counter electrode formed on the organic layer, a sealing layer formed on the counter electrode, a drive circuit formed in a picture-frame area as an area outside the display area and controlling light emission of the light emitting layer, a first test electrode electrically separated from the drive circuit, and a picture-frame insulating layer formed on the first test electrode, the manufacturing method comprising the steps of:
- removing the sealing layer formed on an electrode on which the drive circuit is mounted;
- and
- confirming electrical continuity by bringing a tester into contact with the picture-frame insulating layer on the first test electrode.
Dependencies are inferred from the claim text.