IP Library Granted Patent US 8,537,299
Granted Patent B2
US 8,537,299 · App. 12/881,408 · Granted Sep 17, 2013

Liquid crystal display comprising first and second control thin film transistors and wherein first and second thin film transistors of adjacent rows within a same column are connected to a same column of data lines

Inventors: Xiangfei He (Beijing, CN); Zhilong Peng (Beijing, CN); Wei Wang (Beijing, CN)
Assignee: Beijing Boe Optoelectronics Technology Co., Ltd.
View Patent ↗
Loading inventors, assignments & file history…
Monitor This Case
Get email alerts when status or documents change.
Order Certified Copies
Most orders are placed with the USPTO same day — all within 24 business hours.
Order via The Patent Place →
Pre-filled with this patent's details
Quick Facts
Patent No.
US 8,537,299
App. No.
12/881,408
Granted
Sep 17, 2013
Kind
B2
Abstract

An array substrate comprises a plurality of pixel units defined by interacting of a plurality of gate lines along a row direction and a plurality of data lines along a column direction, and a pixel electrode formed within each of the pixel units. Each row of the pixel units are provide with a first gate line and a second gate line in the gate lines, and each of the pixel units is provides with a first thin film transistor and a second thin film transistor; the first thin film transistor is connected with the first gate line, and the second thin film transistor is connected with the second gate line; the first thin film transistor is connected with the data line at one side of the pixel unit, and the second thin film transistor is connected with the data line at the other side of the pixel unit, and the second thin film transistors of the pixel units in one row and the first thin film transistors of the pixel units in an adjacent row within the same columns are connected to the same column of the data lines.

Claims (36)

1. An array substrate, comprising a plurality of pixel units defined by interacting of a plurality of gate lines along a row direction and a plurality of data lines along a column direction, and a pixel electrode formed within each of the pixel units,

wherein each row of the pixel units are provided with a first gate line and a second gate line in the gate lines, and each of the pixel units is provided with a first thin film transistor and a second thin film transistor; the first thin film transistor is connected with the first gate line, and the second thin film transistor is connected with the second gate line; the first thin film transistor is connected with the data line at one side of the pixel unit, and the second thin film transistor is connected with the data line at the other side of the pixel unit, and the second thin film transistors of the pixel units in one row and the first thin film transistors of the pixel units in an adjacent row within the same columns are connected to the same column of the data lines,

wherein a gate driver is connected to the first gate line and the second gate line through a control device and controls the first gate line and the second gate line for each pixel unit to alternately turn on with a period of one frame by a control signal,

wherein the control device comprises:

a first control thin film transistor; and

a second control thin film transistor,

wherein source electrodes of the first control thin film transistor and the second control thin film transistor are connected to the gate driver through a periphery gate line; a gate electrode of the first control thin film transistor is connected with a first control signal line, and a gate electrode of the second control thin film transistor is connected with a second control signal line; a drain electrode of the first control thin film transistor is connected with the first gate line and a drain electrode of the second control thin film transistor is connected with the second gate line,

wherein the first control signal line and the second control signal line are connected with a timing controller, and the timing controller provides control signals with the first control signal line and the second control signal line with the period of one frame.

2. A driving device for an array substrate, wherein

the array substrate comprises a plurality of pixel units defined by interacting of a plurality of gate lines along a row direction and a plurality of data lines along a column direction, and a pixel electrode formed within each of the pixel units, wherein each row of the pixel units are provided with a first gate line and a second gate line in the gate lines, and each of the pixel units is provided with a first thin film transistor and a second thin film transistor; the first thin film transistor is connected with the first gate line, and the second thin film transistor is connected with the second gate line; the first thin film transistor is connected with the data line at one side of the pixel unit, and the second thin film transistor is connected with the data line at the other side of the pixel unit, and the second thin film transistors of the pixel units in one row and the first thin film transistors of the pixel units in an adjacent row within the same columns are connected to the same column of the data lines

the driving device comprising:

a gate driver; and

a data driver,

wherein the gate driver controls the first gate line and the second gate line for each pixel unit to alternately turn on with a period of one frame, the data driver inputs first polarity voltage signals to odd columns of the data lines and second polarity voltage signals to even columns of the data lines during display, and wherein the first polarity is opposite to the second polarity,

wherein the gate driver is connected to the first gate line and the second gate line through a control device and controls the first gate line and the second gate line for each pixel unit to alternately turn on with the period of one frame by a control signal,

wherein the control device comprises:

a first control thin film transistor; and

a second control thin film transistor,

wherein source electrodes of the first control thin film transistor and the second control thin film transistor are connected to the gate driver through a periphery gate line; a gate electrode of the first control thin film transistor is connected with a first control signal line, and a gate electrode of the second control thin film transistor is connected with a second control signal line; a drain electrode of the first control thin film transistor is connected with the first gate line and a drain electrode of the second control thin film transistor is connected with the second gate line,

wherein the first control signal line and the second control signal line are connected with a timing controller, and the timing controller provides control signals with the first control signal line and the second control signal line with the period of one frame.

3. The driving device as claimed in claim 2 , wherein the first polarity voltage signal is selected from a group consisting of a positive polarity voltage signal and a negative polarity voltage signal.

4. The driving device as claimed in claim 2 , wherein the gate driver comprises a first gate driver and a second gate driver, and

wherein the first gate driver controls the first gate line and the second gate driver controls the second gate line so that the first gate line and the second gate line for each pixel unit alternately turn on with the period of one frame.

5. A liquid crystal display, comprising:

an array substrate, comprising a plurality of pixel units defined by interacting of a plurality of gate lines along a row direction and a plurality of data lines along a column direction, and a pixel electrode formed within each of the pixel units, wherein each row of the pixel units are provided with a first gate line and a second gate line in the gate lines, and each of the pixel units is provided with a first thin film transistor and a second thin film transistor; the first thin film transistor is connected with the first gate line, and the second thin film transistor is connected with the second gate line; the first thin film transistor is connected with the data line at one side of the pixel unit, and the second thin film transistor is connected with the data line at the other side of the pixel unit, and the second thin film transistors of the pixel units in one row and the first thin film transistors of the pixel units in an adjacent row within the same columns are connected to the same column of the data lines; and

a driving device, comprising:

a gate driver; and

a data driver,

wherein the gate driver controls the first gate line and the second gate line for each pixel unit to alternately turn on with a period of one frame, and the data driver inputs first polarity voltage signals into odd columns of the data lines and second polarity voltage signals into even columns of the data lines during display; and wherein the first polarity is opposite to the second polarity,

wherein the gate driver is connected to the first gate line and the second gate line through a control device and controls the first gate line and the second gate line for each pixel unit to alternately turn on with the period of one frame by a control signal,

wherein the control device comprises:

a first control thin film transistor; and

a second control thin film transistor,

wherein source electrodes of the first control thin film transistor and the second control thin film transistor are connected to the gate driver through a periphery gate line; a gate electrode of the first control thin film transistor is connected with a first control signal line, and a gate electrode of the second control thin film transistor is connected with a second control signal line; a drain electrode of the first control thin film transistor is connected with the first gate line and a drain electrode of the second control thin film transistor is connected with the second gate line,

wherein the first control signal line and the second control signal line are connected with a timing controller, and the timing controller provides control signals with the first control signal line and the second control signal line with the period of one frame.

6. The liquid crystal display as claimed in claim 5 , wherein the first polarity voltage signal is selected from a group consisting of a positive polarity voltage signal and a negative polarity voltage signal.

Assignments (2)
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Sep 22, 2015
From: BEIJING BOE OPTOELECTRONICS TECHNOLOGY CO., LTD
To: BOE TECHNOLOGY GROUP CO., LTD.; BEIJING BOE OPTOELECTRONICS TECHNOLOGY CO. LTD
Reel/Frame 036644/0601 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Sep 14, 2010
From: HE, XIANGFEI; PENG, ZHILONG; WANG, WEI
To: BEIJING BOE OPTOELECTRONICS TECHNOLOGY CO., LTD.
Reel/Frame 024983/0900 →
Priority Claims (1)
CN 2009 1 0093183 · Sep 25, 2009 · national
Continuity (1)
Related Publication 20110075062A1 · Mar 31, 2011