US 12,225,773 B2Granted

Organic light emitting diode display device having a storage electrode including a cutout portion and a protrusion portion

AssigneeSamsung Display Co., Ltd.

InventorChang Soo Pyon

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Abstract

An organic light emitting diode display device includes: a substrate; a scan line configured to transfer a scan signal; a data line and a driving voltage line configured to transfer a data voltage and a driving voltage, respectively; a switching transistor including a switching drain electrode configured to output the data voltage; a driving transistor including a driving gate electrode connected with the switching drain electrode; a storage capacitor including a first storage electrode connected with the driving gate electrode and a second storage electrode connected with the driving voltage line; and an organic light emitting diode connected with a driving drain electrode of the driving transistor. The storage capacitor includes: a connector in which an edge of the second storage electrode is offset from an edge of the first storage electrode in a direction toward the center of the second storage electrode, and a storage compensator facing the connector.

Claims15

Dependent claims

An organic light emitting diode display device, comprising:

a substrate;
a scan line on the substrate and configured to transfer a scan signal;
a data line and a driving voltage line crossing the scan line and configured to transfer a data voltage and a driving voltage, respectively;
a switching transistor connected with the scan line and the data line and comprising a switching drain electrode configured to output the data voltage;
a driving transistor comprising a driving gate electrode, the driving transistor being configured to receive the data voltage from the switching drain electrode;
a storage capacitor comprising a first storage electrode connected with the driving gate electrode and a second storage electrode connected with the driving voltage line;
and
an organic light emitting diode electrically connected with a driving drain electrode of the driving transistor,
wherein the first storage electrode comprises a first edge, a second edge, a third edge, and a fourth edge,
wherein the second storage electrode comprises a main portion, a first cutout portion, a second cutout portion, a first protruding portion, a second protruding portion, a third protruding portion, and a fourth protruding portion,
wherein the first edge and the third edge of the first storage electrode face each other,
wherein the second edge and the fourth edge of the first storage electrode face each other,
wherein the first edge of the first storage electrode corresponds to the first protruding portion, the second protruding portion, and the first cutout portion of the second storage electrode,
wherein the third edge of the first storage electrode corresponds to the third protruding portion, the fourth protruding portion, and the second cutout portion of the second storage electrode,
wherein the first protruding portion and the second protruding portion of the second storage electrode are located at sides of the first cutout portion,
wherein the third protruding portion and the fourth protruding portion of the second storage electrode are located at sides of the second cutout portion, and
wherein the second storage electrode overlaps the driving gate electrode in a plan view.

14 more elements

An organic light emitting diode display device, comprising:

a substrate;
a scan line on the substrate and configured to transfer a scan signal;
a data line and a driving voltage line crossing the scan line and configured to transfer a data voltage and a driving voltage, respectively;
a switching transistor connected with the scan line and the data line and comprising a switching drain electrode configured to output the data voltage;
a driving transistor comprising a driving gate electrode, the driving transistor being configured to receive the data voltage from the switching drain electrode;
a storage capacitor comprising a first storage electrode connected with the driving gate electrode and a second storage electrode connected with the driving voltage line;
and
an organic light emitting diode electrically connected with a driving drain electrode of the driving transistor,
wherein the first storage electrode comprises a first edge, a second edge, a third edge, and a fourth edge,
wherein the second storage electrode comprises a main portion, a first cutout portion, a second cutout portion, a first protruding portion, a second protruding portion, a third protruding portion, and a fourth protruding portion,
wherein the first edge and the third edge of the first storage electrode face each other,
wherein the second edge and the fourth edge of the first storage electrode face each other,
wherein the first edge of the first storage electrode corresponds to the first protruding portion, the second protruding portion, and the first cutout portion of the second storage electrode,
wherein the third edge of the first storage electrode corresponds to the third protruding portion, the fourth protruding portion, and the second cutout portion of the second storage electrode,
wherein the first protruding portion and the second protruding portion of the second storage electrode are located at sides of the first cutout portion,
wherein the third protruding portion and the fourth protruding portion of the second storage electrode are located at sides of the second cutout portion,
wherein the main portion, the second protruding portion, and the third protruding portion of the second storage electrode are continuously connected at a first side of the second storage electrode,
wherein the main portion, the first protruding portion, and the fourth protruding portion of the second storage electrode are continuously connected at a second side of the second storage electrode,
wherein the first side and the second side of the second storage electrode face each other,
wherein the first side and the second side of the second storage electrode are apart from and located outside of the second edge and the fourth edge of the first storage electrode by a main margin width,
wherein the first cutout portion has a first inside edge and the second cutout portion has a second inside edge, and
wherein the second inside edge of the second cutout portion of the second storage electrode is apart from and located inside of the third edge of the first storage electrode by a compensation margin width.

19 more elements

An organic light emitting diode display device, comprising:

a substrate;
a scan line on the substrate and configured to transfer a scan signal;
a data line and a driving voltage line crossing the scan line and configured to transfer a data voltage and a driving voltage, respectively:
a switching transistor connected with the scan line and the data line and comprising a switching drain electrode configured to output the data voltage:
a driving transistor comprising a driving gate electrode, the driving transistor being configured to receive the data voltage from the switching drain electrode:
a storage capacitor comprising a first storage electrode connected with the driving gate electrode and a second storage electrode connected with the driving voltage line;
and
an organic light emitting diode electrically connected with a driving drain electrode of the driving transistor,
wherein the first storage electrode comprises a first edge, a second edge, a third edge, and a fourth edge,
wherein the second storage electrode comprises a main portion, a first cutout portion, a second cutout portion, a first protruding portion, a second protruding portion, a third protruding portion, and a fourth protruding portion,
wherein the first edge and the third edge of the first storage electrode face each other,
wherein the second edge and the fourth edge of the first storage electrode face each other,
wherein the first edge of the first storage electrode corresponds to the first protruding portion, the second protruding portion, and the first cutout portion of the second storage electrode,
wherein the third edge of the first storage electrode corresponds to the third protruding portion, the fourth protruding portion, and the second cutout portion of the second storage electrode,
wherein the first protruding portion and the second protruding portion of the second storage electrode are located at sides of the first cutout portion,
wherein the third protruding portion and the fourth protruding portion of the second storage electrode are located at sides of the second cutout portion, and
wherein the first protruding portion, the second protruding portion, the third protruding portion, and the fourth protruding portion of the second storage electrode have respective portions located outside of the first edge and the third edge of the first storage electrode.

14 more elements

Dependencies are inferred from the claim text.

Facts

Application: 18/146,980Filed 27 Dec 2022 · continuation
Priority: KR 10-2014-014646827 Oct 2014
Published: US 2023/0137837 A14 May 2023
Granted: 11 Feb 2025
Term ends: Not estimatedThe source records don’t support an estimate.

Classification9 codes

H10K 59/1216
Characterised by the geometry or disposition of pixel elements: the pixel elements being capacitors
H10D 86/421
Characterised by multiple TFTs: having a particular composition, shape or crystalline structure of the active layer
H10D 86/423
Having a particular composition, shape or crystalline structure of the active layer: comprising semiconductor materials not belonging to the Group…
H10D 86/441
Characterised by multiple TFTs: interconnections, e.g. scanning lines

Family

Application14/857,690Parent of this division · filed 17 Sep 2015
Application16/453,390Parent of this continuation · filed 26 Jun 2019
US 10,388,712 B2Parent of this division · filed 20 Aug 2019
US 2023/0137837 A1Pre-grant publication · published 4 May 2023
US 11,765,938 B2Parent of this continuation
Application16/453,390Parent of this division
US 2016/0118452 A1Published application
US 2019/0319083 A1Published application
US 12,225,773 B2This patent

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

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