Light-emitting device and electronic apparatus
AssigneeSeiko Epson Corporation
InventorHitoshi OTA
Life of this patent
Estimating the term…
Abstract
A light-emitting device includes a data signal supply circuit, a first switching element including a first end electrically coupled to the data signal supply circuit, and a second end, a first capacitor electrically coupled to the second end of the first switching element and configured to hold an electric charge according to a gradation voltage, a second switching element including a first end electrically coupled to the second end of the first switching element, and a second end, a pixel circuit including a light-emitting element and a transistor, and a data line electrically coupled to the pixel circuit. The first capacitor is disposed to overlap the transistor in plan view.
Claims15
A light-emitting device comprising:
- a data signal supply circuit;
- a first switching element including a first end electrically coupled to the data signal supply circuit, and a second end;
- a first capacitor electrically coupled to the second end of the first switching element and configured to hold an electric charge according to a gradation voltage;
- a second switching element including a first end electrically coupled to the second end of the first switching element, and a second end;
- a pixel circuit including a light-emitting element and a transistor;
- and
- a data line electrically coupled to the pixel circuit, wherein
- the transistor supplies a current to the light-emitting element according to the gradation voltage supplied via the data line, and
- the first capacitor is disposed to overlap the transistor in plan view.
A light-emitting device comprising:
- a data signal supply circuit;
- a first switching element including a first end electrically coupled to the data signal supply circuit, and a second end;
- a first capacitor electrically coupled to the second end of the first switching element;
- a second switching element including a first end electrically coupled to the second end of the first switching element, and a second end;
- a second capacitor including a first end electrically coupled to the second end of the second switching element, and a second end;
- a pixel circuit including a light-emitting element and a transistor;
- and
- a data line electrically coupled to the second end of the second capacitor and the pixel circuit, wherein
- the first capacitor is disposed to overlap the transistor in plan view.
A light-emitting device comprising:
- a data signal supply circuit;
- a first switching element including a first end electrically coupled to the data signal supply circuit, and a second end;
- a first capacitor electrically coupled to the second end of the first switching element;
- a second switching element including a first end electrically coupled to the second end of the first switching element, and a second end;
- a pixel circuit including a light-emitting element and a transistor;
- and
- a data line electrically coupled to the second end of the second switching element and the pixel circuit, wherein
- the first capacitor is disposed to overlap the transistor in plan view.
Dependencies are inferred from the claim text.