Electro-optical device
AssigneeSeiko Epson Corporation
InventorTakaaki HAYASHI
Life of this patent
Estimating the term…
Abstract
An electro-optical device includes a substrate, a plurality of unit circuits that includes a plurality of scanning lines, a plurality of data lines and electro-optical elements provided corresponding to intersecting regions of the scanning lines and the data lines and is formed in a display region of the substrate, a plurality of pixel circuits that includes electro-optical elements and is formed in the display region and a sealing member that seals the electro-optical elements of the plurality of pixel circuits formed in the display region and is attached to the substrate, wherein a test circuit is formed between an attaching region at which the sealing member is attach to the substrate and the display region.
Claims9
An electro-optical device, comprising:
- a substrate on which a plurality of pixel circuits are disposed;
- a sealing member that seals the plurality of pixel circuits, and that is attached to the substrate;
- a display region including the plurality of pixel circuits,
- each of the plurality of pixel circuits being electrically connected to a scanning line and a data line, each of the pixel circuit including an anode, a functional layer having a light-emitting layer, and a cathode;
- the electro-optical device including a test circuit connected to at least one of the scanning line and the data line, and an external terminal for testing connected to the test circuit;
- the test circuit being arranged between the display region and an attaching region in which the substrate and the sealing member are attached;
- and
- the external terminal for testing being arranged outside of the attaching region in which the sealing member and the substrate are attached.
Dependencies are inferred from the claim text.