IP Library › Granted Patent US 12,598,879
Granted Patent B2
US 12,598,879 · App. 17/993,212 · Granted Apr 7, 2026

Organic light emitting diode display device and method of driving the same

Inventors: So-Yi Lee (Paju-si, KR); Da-Hye Shim (Paju-si, KR); Boo-Heung Lee (Paju-si, KR)
Assignee: LG Display Co., Ltd.
H10K59/131G09G3/3266G09G3/3291H10D86/441H10D86/60H10K59/1213H10K59/1216G09G2310/0297
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Quick Facts
Patent No.
US 12,598,879
App. No.
17/993,212
Granted
Apr 7, 2026
Kind
B2
Abstract

An organic light emitting diode display device includes a plurality of pixels arranged in a matrix of a plurality of rows and a plurality of columns; a gate1 line connected to and supplying a gate1 voltage to the plurality of pixels of each of the plurality of rows; a gate2 line connected to and supplying a gate2 voltage of a present row to the plurality of pixels of a part of the plurality of columns; a gate2 extension line connected to and supplying the gate2 voltage of an adjacent row to the plurality of pixels of another part of the plurality of columns; and left and right data lines disposed in left and right portions of the plurality of pixels of each of the plurality of columns.

Claims (43)

1 . An organic light emitting diode display device, comprising:

a plurality of pixels arranged in a matrix of a plurality of rows and a plurality of columns;

a gate1 line connected to and supplying a gate1 voltage to the plurality of pixels of each of the plurality of rows;

a gate2 line connected to and supplying a gate2 voltage of a present row to the plurality of pixels of a part of the plurality of columns;

a gate2 extension line connected to and supplying the gate2 voltage of an adjacent row to the plurality of pixels of another part of the plurality of columns; and

left and right data lines disposed in left and right portions of the plurality of pixels of each of the plurality of columns,

wherein the plurality of rows include (n−1)th and nth rows,

wherein the gate2 line of the (n−1)th row supplies the gate2 voltage to a part of the plurality of pixels of the (n−1)th row, and the gate2 extension line of the (n−1)th row is connected to the gate2 line of the nth row and supplies the gate2 voltage to another part of the plurality of pixels of the (n−1)th row, and

wherein the gate2 line of the nth row supplies the gate2 voltage to a part of the plurality of pixels of the nth row, and the gate2 extension line of the nth row is connected to the gate2 line of the (n−1)th row and supplies the gate2 voltage to another part of the plurality of pixels of the nth row.

2 . The display device of claim 1 , wherein the gate2 line is connected to the plurality of pixels of odd columns of the plurality of columns, and

wherein the gate2 extension line is connected to the plurality of pixels of even columns of the plurality of columns.

3 . The display device of claim 1 , wherein the gate2 line is connected to the plurality of pixels of odd column pairs of the plurality of columns, and

wherein the gate2 extension line is connected to the plurality of pixels of even column pairs of the plurality of columns.

4 . The display device of claim 1 , wherein the left data line is connected to the plurality of pixels of odd rows of the plurality of rows, and

wherein the right data line is connected to the plurality of pixels of even rows of the plurality of rows.

5 . The display device of claim 4 , further comprising a mux unit connected to the left and right data lines,

wherein the mux unit includes a first mux transistor connected to the left data line of odd columns of the plurality of columns and the right data line of even columns of the plurality of columns and a second mux transistor connected to the right data line of the odd columns of the plurality of columns and the left data line of the even columns of the plurality of columns.

6 . The display device of claim 1 , wherein each of the plurality of pixels has a subpixel that includes a driving transistor, first to ninth transistors, a storage capacitor and a light emitting diode,

wherein the first, second, sixth and eighth transistors are switched according to the gate2 voltage, and the first transistor is connected between a gate electrode and a drain electrode of the driving transistor,

wherein the third, fourth and seventh transistors are switched according to an emission voltage, and

wherein the fifth and ninth transistors are switched according to the gate1 voltage.

7 . An organic light emitting diode display device, comprising:

a plurality of pixels arranged in a matrix of a plurality of rows and a plurality of columns;

a gate1 line connected to and supplying a gate1 voltage to the plurality of pixels of each of the plurality of rows;

a gate2 line connected to and supplying a gate2 voltage of a present row to the plurality of pixels of a part of the plurality of columns;

a gate2 extension line connected to and supplying the gate2 voltage of an adjacent row to the plurality of pixels of another part of the plurality of columns; and

left and right data lines disposed in left and right portions of the plurality of pixels of each of the plurality of columns,

wherein the plurality of rows include (n−1)th, nth and (n+1)th rows,

wherein the gate2 line of the (n−1)th row supplies the gate2 voltage to a part of the plurality of pixels of the (n−1)th row, and the gate2 extension line of the (n−1)th row is connected to the gate2 line of the nth row and supplies the gate2 voltage to another part of the plurality of pixels of the (n−1)th row, and

wherein the gate2 line of the nth row supplies the gate2 voltage to a part of the plurality of pixels of the nth row, and the gate2 extension line of the nth row is connected to the gate2 line of the (n+1)th row and supplies the gate2 voltage to another of the plurality of pixels of the nth row.

8 . A method of driving an organic light emitting diode display device, comprising:

initializing a plurality of pixels of a plurality of rows according to a gate1 voltage;

sampling the plurality of pixels of a part of a plurality of columns according to a gate2 voltage of a present row;

sampling the plurality of pixels of another part of the plurality of columns according to the gate2 voltage of an adjacent row; and

emitting the plurality of pixels according to an emission voltage,

wherein the plurality of rows include (n−1)th and nth rows,

wherein a gate2 line and a gate2 extension line are disposed to correspond to each of the (n−1)th and nth rows,

wherein the gate2 line of the (n−1)th row supplies the gate2 voltage to a part of the plurality of pixels of the (n−1)th row, and the gate2 extension line of the (n−1)th row is connected to the gate2 line of the nth row and supplies the gate2 voltage to another part of the plurality of pixels of the (n−1)th row, and

wherein the gate2 line of the nth row supplies the gate2 voltage to a part of the plurality of pixels of the nth row, and the gate2 extension line of the nth row is connected to the gate2 line of the (n−1)th row and supplies the gate2 voltage to another part of the plurality of pixels of the nth row.

9 . The method of claim 8 , wherein the gate2 voltage of the present row is supplied to the plurality of pixels of odd columns of the plurality of columns, and

wherein the gate2 voltage of the adjacent row is supplied to the plurality of pixels of even columns of the plurality of columns.

10 . The method of claim 8 , wherein the gate2 voltage of the present row is supplied to the plurality of pixels of odd column pairs of the plurality of columns, and

wherein the gate2 voltage of the adjacent row is supplied to the plurality of pixels of even column pairs of the plurality of columns.

Assignments (1)
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Nov 23, 2022
From: LEE, SO-YI; SHIM, DA-HYE; LEE, BOO-HEUNG
To: LG DISPLAY CO., LTD.
Reel/Frame 061867/0094 →
Priority Claims (1)
KR 10-2021-0190615 · Dec 29, 2021 · national
Continuity (1)
Related Publication 20230209931A1 · Jun 29, 2023
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