US 12,706,013 B2Granted

Flip-flop circuit, driver circuit, display panel, display device, input/output device, and data processing device

AssigneeSemiconductor Energy Laboratory Co., Ltd.

InventorsKouhei Toyotaka, Kazunori Watanabe, Susumu Kawashima, Daisuke Kubota, Tetsuji Ishitani, Akio Yamashita

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Abstract

A flip-flop circuit is provided. A driver circuit is provided. The flip-flop circuit includes first to fifth input terminals and first to third output terminals, the first input terminal is supplied with a first trigger signal, the second input terminal is supplied with a second trigger signal, the third input terminal is supplied with a batch selection signal, the fourth input terminal is supplied with a first pulse width modulation signal, and the fifth input terminal is supplied with a second pulse width modulation signal. The first output terminal supplies a first selection signal in response to the first pulse width modulation signal in a period from supply of the first trigger signal to supply of the second trigger signal, the first output terminal supplies the first selection signal in a period during which the batch selection signal is supplied, the second output terminal supplies a second selection signal in response to the second pulse width modulation signal in the period from the supply of the first trigger signal to the supply of the second trigger signal, and the third output terminal supplies a third trigger signal.

Claims4

Dependent claims

A semiconductor device comprising:

a pixel;
and
a driver circuit comprising circuits,
wherein the pixel comprises a first transistor, a second transistor, a third transistor, a fourth transistor, a fifth transistor, a capacitor, and a light-emitting element,
wherein one of the circuits comprises a sixth transistor, a seventh transistor, an eighth transistor, and a ninth transistor,
wherein one of a source and a drain of the first transistor is electrically connected to a first wiring,
wherein the other of the source and the drain of the first transistor is electrically connected to a gate of the fifth transistor,
wherein a gate of the first transistor is electrically connected to a second wiring,
wherein one of a source and a drain of the second transistor is electrically connected to a third wiring,
wherein the other of the source and the drain of the second transistor is electrically connected to a first electrode of the capacitor,
wherein a gate of the second transistor is electrically connected to a fourth wiring,
wherein one of a source and a drain of the third transistor is electrically connected to a conductive film,
wherein the other of the source and the drain of the third transistor is electrically connected to one of a source and a drain of the fifth transistor,
wherein a gate of the third transistor is electrically connected to the fourth wiring,
wherein one of a source and a drain of the fourth transistor is electrically connected to the one of the source and the drain of the fifth transistor,
wherein the other of the source and the drain of the fourth transistor is electrically connected to the light-emitting element,
wherein a gate of the fourth transistor is electrically connected to a fifth wiring,
wherein the other of the source and the drain of the fifth transistor is electrically connected to a sixth wiring,
wherein a second electrode of the capacitor is electrically connected to a gate of the fifth transistor,
wherein one of a source and a drain of the sixth transistor is electrically connected to the fourth wiring,
wherein the other of the source and the drain of the sixth transistor is electrically connected to a seventh wiring,
wherein one of a source and a drain of the seventh transistor is electrically connected to the fourth wiring,
wherein the other of the source and the drain of the seventh transistor is electrically connected to an eighth wiring,
wherein one of a source and a drain of the eighth transistor is electrically connected to a gate of the sixth transistor,
wherein the other of the source and the drain of the eighth transistor is electrically connected to one of a source and a drain of the ninth transistor, and
wherein the other of the source and the drain of the ninth transistor is electrically connected to a ninth wiring.

23 more elements

A semiconductor device comprising:

a pixel;
and
a driver circuit,
wherein the pixel comprises a first transistor, a second transistor, a third transistor, a fourth transistor, a fifth transistor, a capacitor, and a light-emitting element,
wherein the driver circuit comprises a sixth transistor, a seventh transistor, an eighth transistor, and a ninth transistor,
wherein one of a source and a drain of the first transistor is electrically connected to a first wiring,
wherein the other of the source and the drain of the first transistor is electrically connected to a gate of the fifth transistor,
wherein a gate of the first transistor is electrically connected to a second wiring,
wherein one of a source and a drain of the second transistor is electrically connected to a third wiring,
wherein the other of the source and the drain of the second transistor is electrically connected to a first electrode of the capacitor,
wherein a gate of the second transistor is electrically connected to a fourth wiring,
wherein one of a source and a drain of the third transistor is electrically connected to a conductive film,
wherein the other of the source and the drain of the third transistor is electrically connected to one of a source and a drain of the fifth transistor,
wherein a gate of the third transistor is electrically connected to the fourth wiring,
wherein one of a source and a drain of the fourth transistor is electrically connected to the one of the source and the drain of the fifth transistor,
wherein the other of the source and the drain of the fourth transistor is electrically connected to the light-emitting element,
wherein a gate of the fourth transistor is electrically connected to a fifth wiring,
wherein the other of the source and the drain of the fifth transistor is electrically connected to a sixth wiring,
wherein a second electrode of the capacitor is electrically connected to a gate of the fifth transistor,
wherein one of a source and a drain of the sixth transistor is electrically connected to the fourth wiring,
wherein one of a source and a drain of the seventh transistor is electrically connected to the fourth wiring,
wherein one of a source and a drain of the eighth transistor is electrically connected to a gate of the sixth transistor,
wherein the other of the source and the drain of the eighth transistor is electrically connected to one of a source and a drain of the ninth transistor, and
wherein a first potential is supplied to a gate of the eighth transistor.

21 more elements

A semiconductor device comprising:

a pixel;
and
a driver circuit,
wherein the pixel comprises a first transistor, a second transistor, a third transistor, a fourth transistor, a fifth transistor, a capacitor, and a light-emitting element,
wherein the driver circuit comprises a sixth transistor, a seventh transistor, an eighth transistor, and a ninth transistor,
wherein one of a source and a drain of the first transistor is electrically connected to a first wiring,
wherein the other of the source and the drain of the first transistor is electrically connected to a gate of the fifth transistor,
wherein a gate of the first transistor is electrically connected to a second wiring,
wherein one of a source and a drain of the second transistor is electrically connected to a third wiring,
wherein the other of the source and the drain of the second transistor is electrically connected to a first electrode of the capacitor,
wherein a gate of the second transistor is electrically connected to a fourth wiring,
wherein one of a source and a drain of the third transistor is electrically connected to a conductive film,
wherein the other of the source and the drain of the third transistor is electrically connected to one of a source and a drain of the fifth transistor,
wherein a gate of the third transistor is electrically connected to the fourth wiring,
wherein one of a source and a drain of the fourth transistor is electrically connected to the one of the source and the drain of the fifth transistor,
wherein the other of the source and the drain of the fourth transistor is electrically connected to the light-emitting element,
wherein a gate of the fourth transistor is electrically connected to a fifth wiring,
wherein the other of the source and the drain of the fifth transistor is electrically connected to a sixth wiring,
wherein a second electrode of the capacitor is electrically connected to a gate of the fifth transistor,
wherein one of a source and a drain of the sixth transistor is electrically connected to the fourth wiring,
wherein one of a source and a drain of the seventh transistor is electrically connected to the fourth wiring,
wherein one of a source and a drain of the eighth transistor is electrically connected to a gate of the sixth transistor,
wherein the other of the source and the drain of the eighth transistor is electrically connected to one of a source and a drain of the ninth transistor, and
wherein the driver circuit is configured to supply a signal to the fourth wiring.

21 more elements

A semiconductor device comprising:

a pixel;
and
a driver circuit,
wherein the pixel comprises a first transistor, a second transistor, a third transistor, a fourth transistor, a fifth transistor, a capacitor, and a light-emitting element,
wherein the driver circuit comprises a sixth transistor, a seventh transistor, an eighth transistor, and a ninth transistor,
wherein one of a source and a drain of the first transistor is electrically connected to a first wiring,
wherein the other of the source and the drain of the first transistor is electrically connected to a gate of the fifth transistor,
wherein a gate of the first transistor is electrically connected to a second wiring,
wherein one of a source and a drain of the second transistor is electrically connected to a third wiring,
wherein the other of the source and the drain of the second transistor is electrically connected to a first electrode of the capacitor,
wherein a gate of the second transistor is electrically connected to a fourth wiring,
wherein one of a source and a drain of the third transistor is electrically connected to a conductive film,
wherein the other of the source and the drain of the third transistor is electrically connected to one of a source and a drain of the fifth transistor,
wherein a gate of the third transistor is electrically connected to the fourth wiring,
wherein one of a source and a drain of the fourth transistor is electrically connected to the one of the source and the drain of the fifth transistor,
wherein the other of the source and the drain of the fourth transistor is electrically connected to the light-emitting element,
wherein a gate of the fourth transistor is electrically connected to a fifth wiring,
wherein the other of the source and the drain of the fifth transistor is electrically connected to a sixth wiring,
wherein a second electrode of the capacitor is electrically connected to a gate of the fifth transistor,
wherein one of a source and a drain of the sixth transistor is electrically connected to the fourth wiring,
wherein one of a source and a drain of the seventh transistor is electrically connected to the fourth wiring,
wherein one of a source and a drain of the eighth transistor is electrically connected to a gate of the sixth transistor,
wherein the other of the source and the drain of the eighth transistor is electrically connected to one of a source and a drain of the ninth transistor,
wherein a first potential is supplied to a gate of the eighth transistor, and
wherein the driver circuit is configured to supply a signal to the fourth wiring.

22 more elements

Dependencies are inferred from the claim text.

Facts

Application: 18/966,199Filed 3 Dec 2024 · continuation
Priority: JP 2018-17715621 Sep 2018
Published: US 2025/0095530 A120 Mar 2025
Granted: 11 Aug 2026
Term ends: Not estimatedThe source records don’t support an estimate.

Classification19 codes

G09G 3/20
Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes: for presentation of an…
G09G 3/3677
Details of drivers for scan electrodes: suitable for active matrices only
G02F 1/133
Based on liquid crystals, e.g. single liquid crystal display cells: constructional arrangements; Operation of liquid crystal cells; Circuit…
G11C 19/28
Digital stores in which the information is moved stepwise, e.g. shift registers: using semiconductor elements

Family

Application17/269,736Parent of this continuation · filed 9 Sep 2019
PCT/IB2019/057561Parent of this continuation · filed 9 Sep 2019
Application18/096,117Parent of this continuation · filed 12 Jan 2023
US 11,562,675 B2Parent of this continuation · filed 24 Jan 2023
US 2025/0095530 A1Pre-grant publication · published 20 Mar 2025
US 12,243,459 B2Parent of this continuation
US 2021/0183294 A1Published application
US 2023/0154369 A1Published application
US 12,706,013 B2This patent

From the US filing history. Foreign family members aren’t listed.