US 8,410,482 B2Granted

Semiconductor device, light emitting apparatus and electronic device

AssigneeCasio Computer Co., Ltd.

InventorsKunihiro Matsuda, Hiroshi Matsumoto, Yukikazu Tanaka

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Abstract

Disclosed in a semiconductor device including a substrate, a first transistor, a second transistor, and a first source electrode and a first drain electrode of the first transistor are arranged along a first direction and a second source electrode and a second drain electrode of the second transistor are arranged in a reverse order of the first source electrode and the first drain electrode along the first direction, the first source electrode and the second source electrode are connected by a source connecting wiring, the first drain electrode and the second drain electrode are connected by a drain connecting wiring, a first gate electrode and a second gate electrode are connected by a gate connecting wiring and the source connecting wiring and the drain connecting wiring are provided at positions except a region overlapped with the first gate electrode, the second gate electrode and the gate connecting wiring.

Claims19

Dependent claims

A semiconductor device, comprising:

a substrate;
a first transistor which is provided on an upper surface of the substrate and which comprises a first source electrode, a first drain electrode and a first gate electrode;
a second transistor which is provided on the upper surface of the substrate and which comprises a second source electrode, a second drain electrode and a second gate electrode, wherein the second transistor is of a same conductive type as the first transistor;
a source connecting wiring which electrically connects the first source electrode and the second source electrode;
a drain connecting wiring which electrically connects the first drain electrode and the second drain electrode;
and
a gate connecting wiring which electrically connects the first gate electrode and the second gate electrode,
wherein the first source electrode and the first drain electrode are arranged along a first direction and the second source electrode and the second drain electrode are arranged along the first direction in a reverse order from an order of the first source electrode and the first drain electrode along the first direction,
wherein the source connecting wiring and the drain connecting wiring are provided at positions except a region overlapped with the first gate electrode, the second gate electrode and the gate connecting wiring, and
wherein one of the source connecting wiring and the drain connecting wiring includes a region which overlaps planarly with the other of the source connecting wiring and the drain connecting wiring via an insulation film.

7 more elements

A light emitting apparatus comprising a plurality of pixels arranged on a substrate, wherein each of the plurality of pixels comprises a light emitting device and a drive device which is connected to the light emitting device to drive the light emitting device, wherein the drive device comprises:

a first transistor which is provided on an upper surface of the substrate and which comprises a first source electrode, a first drain electrode and a first gate electrode;
a second transistor which is provided on the upper surface of the substrate and which comprises a second source electrode, a second drain electrode and a second gate electrode, wherein the second transistor is of a same conductive type as the first transistor;
a source connecting wiring which electrically connects the first source electrode and the second source electrode;
a drain connecting wiring which electrically connects the first drain electrode and the second drain electrode;
and
a gate connecting wiring which electrically connects the first gate electrode and the second gate electrode,
wherein the first source electrode and the first drain electrode are arranged along a first direction and the second source electrode and the second drain electrode are arranged along the first direction in a reverse order from an order of the first source electrode and the first drain electrode along the first direction,
wherein the source connecting wiring and the drain connecting wiring are provided at positions except a region overlapped with the first gate electrode, the second gate electrode and the gate connecting wiring, and
wherein one of the source connecting wiring and the drain connecting wiring includes a region which overlaps planarly with the other of the source connecting wiring and the drain connecting wiring via an insulation film.

6 more elements

An electronic device, comprising:

an electronic device main body;
and
a light emitting apparatus to which image data is supplied from the electronic device main body and which is driven according to the image data,
wherein the light emitting apparatus comprises a substrate and a plurality of pixels arranged on an upper surface of the substrate,
wherein each of the plurality of pixels comprises a light emitting device and a drive device which drives the light emitting device, the drive device comprising:
a first transistor which is provided on the upper surface of the substrate and which comprises a first source electrode, a first drain electrode and a first gate electrode;
a second transistor which is provided on the upper surface of the substrate and which comprises a second source electrode, a second drain electrode and a second gate electrode, wherein the second transistor is of a same conductive type as the first transistor;
a source connecting wiring which electrically connects the first source electrode and the second source electrode;
a drain connecting wiring which electrically connects the first drain electrode and the second drain electrode;
and
a gate connecting wiring which electrically connects the first gate electrode and the second gate electrode,
wherein the first source electrode and the first drain electrode are arranged along a first direction and the second source electrode and the second drain electrode are arranged along the first direction in a reverse order of an order of the first source electrode and the first drain electrode along the first direction,
wherein the source connecting wiring and the drain connecting wiring are provided at positions except a region overlapped with the first gate electrode, the second gate electrode and the gate connecting wiring, and
wherein one of the source connecting wiring and the drain connecting wiring includes a region which overlaps planarly with the other of the source connecting wiring and the drain connecting wiring via an insulation film.

11 more elements

Dependencies are inferred from the claim text.

Facts

Application: 13/075,411Filed 30 Mar 2011
Priority: JP 2010-08046031 Mar 2010
Published: US 2011/0241002 A16 Oct 2011
Granted: 2 Apr 2013
Term ends: Not estimatedThe source records don’t support an estimate.

Classification8 codes

H10K 59/1213
Characterised by the geometry or disposition of pixel elements: the pixel elements being TFTs
H10D 86/441
Characterised by multiple TFTs: interconnections, e.g. scanning lines
H10D 86/60
Characterised by multiple TFTs: wherein the TFTs are in active matrices
G09G 3/3233
Using an active matrix: with pixel circuitry controlling the current through the light-emitting element