Granted Patent B2

US 12,482,415 · App. 18/080,792 · Granted Nov 25, 2025

Inventors: Hajime Kimura (Kanagawa, JP); Tatsunori Inoue (Kanagawa, JP)

Assignee: Semiconductor Energy Laboratory Co., Ltd.

G09G3/3233G09G2300/0426G09G2300/0871G09G2310/08

Abstract

Claims (33)

1 . A display apparatus comprising:

a pixel comprising a first switch, a second switch, a driving transistor, a first capacitor, and a light-emitting device; and

a circuit comprising a third switch, a fourth switch, a fifth switch, a second capacitor, and a driver circuit,

wherein the circuit is configured to transmit an image data signal to a wiring,

wherein a first terminal of the first switch is electrically connected to a first terminal of the first capacitor, one of a source and a drain of the driving transistor, and the light-emitting device,

wherein a second terminal of the first switch is electrically connected to the wiring,

wherein a first terminal of the second switch is electrically connected to a first gate of the driving transistor and a second terminal of the first capacitor,

wherein a first terminal of the third switch is electrically connected to the wiring,

wherein a first terminal of the second capacitor is directly connected to the first terminal of the third switch,

wherein a first terminal of the fourth switch is directly connected to a second terminal of the second capacitor,

wherein the first terminal of the fourth switch is electrically connected to a first terminal of the fifth switch, and

wherein a second terminal of the fifth switch is electrically connected to the driver circuit.

2 . The display apparatus according to claim 1 ,

wherein the first switch comprises a first transistor,

wherein the second switch comprises a second transistor,

wherein the first terminal of the first switch is one of a source and a drain of the first transistor,

wherein the second terminal of the first switch is the other of the source and the drain of the first transistor, and

wherein the first terminal of the second switch is one of a source and a drain of the second transistor.

3 . The display apparatus according to claim 1 ,

wherein the third switch comprises a third transistor,

wherein the fourth switch comprises a fourth transistor,

wherein the fifth switch comprises a fifth transistor,

wherein the first terminal of the third switch is one of a source and a drain of the third transistor,

wherein the first terminal of the fourth switch is one of a source and a drain of the fourth transistor,

wherein the first terminal of the fifth switch is one of a source and a drain of the fifth transistor, and

wherein the second terminal of the fifth switch is the other of the source and the drain of the fifth transistor.

4 . The display apparatus according to claim 1 ,

wherein the pixel further comprises a sixth switch, a seventh switch, and a third capacitor,

wherein a first terminal of the sixth switch is electrically connected to the first terminal of the first switch and a first terminal of the third capacitor,

wherein a second terminal of the sixth switch is electrically connected to the first gate of the driving transistor, and

wherein a first terminal of the seventh switch is electrically connected to a second gate of the driving transistor and a second terminal the third capacitor.

5 . The display apparatus according to claim 1 , wherein the driver circuit is configured to transmit the image data signal to the circuit.

6 . The display apparatus according to claim 1 , wherein the light-emitting device comprises an organic EL device.

Assignments (1)

Priority Claims (1)

Continuity (1)

References Cited (41)