CN106710557A - Display device and driving method - Google Patents
Display device and driving method Download PDFInfo
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- CN106710557A CN106710557A CN201710092601.3A CN201710092601A CN106710557A CN 106710557 A CN106710557 A CN 106710557A CN 201710092601 A CN201710092601 A CN 201710092601A CN 106710557 A CN106710557 A CN 106710557A
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- 238000000034 method Methods 0.000 title claims abstract description 10
- 230000007704 transition Effects 0.000 claims description 11
- 238000010586 diagram Methods 0.000 description 6
- 238000005516 engineering process Methods 0.000 description 4
- 230000001934 delay Effects 0.000 description 3
- 239000004973 liquid crystal related substance Substances 0.000 description 2
- 239000000758 substrate Substances 0.000 description 2
- 241000270295 Serpentes Species 0.000 description 1
- WYTGDNHDOZPMIW-RCBQFDQVSA-N alstonine Natural products C1=CC2=C3C=CC=CC3=NC2=C2N1C[C@H]1[C@H](C)OC=C(C(=O)OC)[C@H]1C2 WYTGDNHDOZPMIW-RCBQFDQVSA-N 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 239000003990 capacitor Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000005622 photoelectricity Effects 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
Classifications
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G3/00—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
- G09G3/20—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters
- G09G3/34—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters by control of light from an independent source
- G09G3/36—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters by control of light from an independent source using liquid crystals
- G09G3/3611—Control of matrices with row and column drivers
- G09G3/3696—Generation of voltages supplied to electrode drivers
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G3/00—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
- G09G3/20—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters
- G09G3/34—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters by control of light from an independent source
- G09G3/36—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters by control of light from an independent source using liquid crystals
- G09G3/3611—Control of matrices with row and column drivers
- G09G3/3648—Control of matrices with row and column drivers using an active matrix
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Physics & Mathematics (AREA)
- Computer Hardware Design (AREA)
- General Physics & Mathematics (AREA)
- Theoretical Computer Science (AREA)
- Control Of Indicators Other Than Cathode Ray Tubes (AREA)
Abstract
The invention provides a display device and a driving method. The display device includes a plurality of pixel units, a plurality of gate lines, a plurality of data lines, a gate driver, a data driver, and a timing controller. The gate lines comprise a first gate line and a second gate line; the plurality of data lines comprise a first data line; the grid driver outputs a first scanning signal to the first grid line and outputs a second scanning signal to the second grid line; the timing controller is used for receiving a first data signal at a first position of the first data line, the first data signal is converted at a first time point, the timing controller is further used for receiving a second data signal at a second position of the first data line, the second data signal is converted at a second time point, the first time point and the second time point have a time difference, and the gate driver adjusts the second scanning signal according to the time difference.
Description
Technical field
The present invention is on a kind of display device and driving method, particularly a kind of display dress for improving show uniformity
Put and driving method.
Background technology
With the evolution of photoelectricity and semiconductor technology, flourishing for display has been driven.In all multi-displays, especially with
Liquid crystal display panel is because having the advantages that low power consumption, slim amount are light, color saturation is high, long lifespan and widely made
One of with, and then the main flow as modern displays.
Existing, liquid crystal display panel can include at least two substrates (can be referred to as array base palte and opposite substrate).One
As for, array base palte can be comprising a plurality of gate line and multiple pixel cells.This little pixel cell can be arranged in the form of an array, and
Multiple pixel cells of same horizontally-arranged (i.e. along the bearing of trend of gate line) can be controlled by because being coupled to same gate line
Same scanning signal.
In the ideal situation, each point voltage on same gate line should be identical, and causes to be located at same horizontally-arranged multiple
Pixel cell can synchronous start.However, in virtual condition, by each gate line actually can be considered by multiple series resistance institutes
Constitute, and plus the influence of coupled capacitor so that each scanning signal is sent to the end of gate line from the input of gate line
When can be influenceed by RC delays effect (RC Delay) so that be originally square wave scanning signal waveform on occur circle
Angling (rounded).As panel operation frequency is higher, it is shorter to represent effective charging interval, thus will be when effectively charging
It is interior pixel cell is charged to predetermined voltage level will be increasingly difficult, and then influence display uniformity.
The content of the invention
Therefore, the present invention provides a kind of display device and driving method, effective charging interval can be lifted, and then lift display
Uniformity.
One embodiment of the invention provides a kind of display device.Display device includes multiple pixel cells;A plurality of gate line, electricity
Property the plurality of pixel cell of connection, a plurality of gate line includes a first grid polar curve and a second gate line;A plurality of data lines,
Intersect with a plurality of gate line, a plurality of data lines includes one first data wire;One gate drivers, are used to export one
Scan signal is to the first grid polar curve and exports one second scanning signal to the second gate line;One data driver,
It is electrically connected with a plurality of data lines;And time schedule controller, it is used to receive the one of a first position of first data wire
First data-signal, first data-signal carries out transition in a first time point, and the time schedule controller is more used to receive
One second data-signal of one second place of first data wire, second data-signal is carried out in one second time point
Transition, the first time point and second time point have a time difference, wherein the gate drivers according to it is described when
Between difference adjustment second scanning signal.
One embodiment of the invention provides a kind of driving method, it is adaptable to a display device, comprising:Receive one first data wire
A first position one first data-signal, first data-signal carries out transition in a first time point;Receive described
One second data-signal of one second place of the first data wire, second data-signal is turned in one second time point
State, the first time point and second time point have a time difference;Postpone the one scan with according to the time difference
The output time of signal.
In sum, the display device of the embodiment of the present invention, it makes according to the RC delays (RCdelay) of data wire
Into delay adjust the output of scanning signal, effective charging interval can be lifted, and then lift the uniformity of display.
Hereinafter detailed features of the invention and advantage are described in detail in embodiments, its content is enough to make any this area
Technical staff understand technology contents of the invention and implement according to this, and according to content disclosed in this specification, claim
Protection domain and accompanying drawing, any those skilled in the art can be readily understood upon the purpose and advantage of correlation of the invention.
Brief description of the drawings
Fig. 1 is the schematic diagram of an embodiment of display device of the present invention.
Fig. 2 is data-signal in first position and the waveform diagram positioned at the second place.
Fig. 3 is the waveform diagram of the second scanning signal before adjusting and after adjustment.
Wherein, reference:
The pixel cell of 100 display device 102
The data driver of 104 gate drivers 106
110 time schedule controller P1, P2 positions
The data wire of 1021 gate line 1023
T1, T2 time point G1~G18 scanning signals
The Td time differences
Specific embodiment
Fig. 1 is the schematic diagram of an embodiment of display device of the present invention.Display device 100 includes multiple pixel cells
102nd, a plurality of gate line 1021, a plurality of data lines 1023, gate drivers 104, data driver 106 and time schedule controller 110.
A plurality of gate line 1021 is electrically connected with the plurality of pixel cell 1021, and a plurality of gate line 1021 includes first grid polar curve and the
Two gate lines;Wherein first grid polar curve, can be near data driver in a plurality of gate line 1021 for example
106 gate line;Second gate line, can be farthest away from data driver 106 in a plurality of gate line 1021 for example
Gate line.A plurality of data lines 1023 includes one first data wire L1;The first data wire L1 may be used to transmission one first and count
It is believed that number.Wherein data wire 1023, for example, can be electrically connected with pixel cell 102, be used to transmit out data letter
Number;Can also transmit clock signal, the wire of control signal or bus;Can also be a redundancy data line, its not with
The multiple pixel cell connection.Gate line 1021 and data wire 1023 can intersect vertically or non-perpendicular intersecting each other, or with one
Unspecified angle intersects, and gate line 1021 and data wire 1023 can be straight line or snake (serpentine line), herein
It is not limited.Gate drivers 104, are used to export multiple scanning signal G1~G18, the multiple scanning signal G1~G18 bags
Containing one first scanning signal, such as G1 gives the first grid polar curve and output one second scanning signal, such as G18, to described the
Two gate lines.Data driver 106 is electrically connected with a plurality of data lines 1023.
Fig. 2 is data-signal in first position and the waveform diagram positioned at the second place.Fig. 3 is before adjusting and after adjustment
Scanning signal waveform diagram.With reference to Fig. 1, Fig. 2 and Fig. 3, time schedule controller 110 is used to receive first data
One first data-signal of the one first position P1 of line L1, first data-signal carries out transition in a very first time T1 points,
The time schedule controller 110 is more used to one second data-signal of the second place P2 for receiving the first data wire L1, institute
State the second data-signal carries out transition in one second time T2 points, and the first time point T1 and second time point T2 have
One time difference Td, wherein gate drivers 104 adjust the time of the second scanning signal G18 according to the time difference Td.
In one embodiment, gate drivers 104 postpone the time of the second scanning signal G18 of output according to time difference Td.In an embodiment
In, the first position P1 correspondences first grid polar curve G1, the second place P2 correspondences second gate line G18.In an embodiment
In, first position P1 is close to an input of the first data wire L1 compared with second place P2.In one embodiment, first position P1 compared with
Second place P2 is near data driver 106.
Fig. 2 is refer to, the first data-signal starts to change into one by a first voltage level in the first time point T1
Two voltage levels.Wherein described second data-signal starts to change into institute by the first voltage level in second time point T2
State second voltage level.It is more than second voltage level in this first voltage level, but in one embodiment, first voltage level
Also second voltage level is smaller than, the present invention is not limited.
The present invention also provides a kind of driving method, and it is applied to a display device, comprising:Receive the one of the first data wire L1
One first data-signal of first position P1, first data-signal carries out transition in a first time point T1;Receive described
One second data-signal of one second place P2 of the first data wire L1, second data-signal enters in one second time point T2
Row transition, the first time point T1 and second time point T2 have a time difference Td;Prolong with according to the time difference Td
The output time of slow scan signal.
According to one embodiment of the invention, first data-signal starts by first voltage position in the first time point T1
Standard is converted into a second voltage level.
In sum, the display device of the embodiment of the present invention, it passes through to obtain data-signal due to RC delays (RC
Delay the time difference Td that) causes can be simultaneously lifted so that the charging interval extends adjusting scanning signal according to the time difference Td
Display quality.
Although technology contents of the invention are disclosed as above with preferred embodiment, it is not limited to the present invention,
Any those skilled in the art, a little change and modification are made spirit of the invention is not departed from, and should all be covered by this hair
In bright category, therefore protection scope of the present invention ought be defined depending on the appended claims protection domain person of defining.
Claims (10)
1. a kind of display device, it is characterised in that include:
Multiple pixel cells;
A plurality of gate line, is electrically connected with those pixel cells, and those gate lines include a first grid polar curve and a second gate line;
A plurality of data lines, is used to transmit one first data, and those data wires include one first data wire;
One gate drivers, are used to export one first scanning signal to the first grid polar curve and export one second scanning signal to this
Second gate line;
One data driver, is electrically connected with those data wires;And
Time schedule controller, is used to receive first data-signal of a first position of first data wire, first data
Signal carries out transition in a first time point, and the time schedule controller is more used to receive the one of a second place of first data wire
Second data-signal, second data-signal carries out transition in one second time point, the first time point and second time point
With a time difference, the wherein gate drivers export the time of second scanning signal according to time difference adjustment.
2. display device as claimed in claim 1, it is characterised in that first data-signal in the first time point start by
One first voltage level is converted into a second voltage level.
3. display device as claimed in claim 2, it is characterised in that second data-signal start in second time point by
The first voltage level changes into the second voltage level.
4. display device as claimed in claim 1, it is characterised in that the first position to should first grid line, this second
Position is to should second gate line.
5. display device as claimed in claim 4, it is characterised in that the gate drivers postpone output according to the time difference should
Second scanning signal.
6. display device as claimed in claim 1, it is characterised in that those data wires include a redundancy data line, its not with
Those pixel cells are connected.
7. display device as claimed in claim 1, it is characterised in that the first position is compared with the second place near first number
According to an input of line.
8. display device as claimed in claim 7, it is characterised in that driven near the data compared with the second place first position
Dynamic device.
9. a kind of driving method a, it is adaptable to display device, it is characterised in that include:
One first data-signal of a first position of one first data wire is received, first data-signal is in a first time point
Carry out transition;
One second data-signal of a second place of first data wire is received, second data-signal is in one second time point
Transition is carried out, the first time point and second time point have a time difference;And
Postpone the output time of scan signal according to the time difference.
10. driving method as claimed in claim 9, it is characterised in that first data-signal is in the first time point
One second voltage level is converted into by a first voltage level.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
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TW105144302A TWI601110B (en) | 2016-12-30 | 2016-12-30 | Display Device and Driving Method |
TW105144302 | 2016-12-30 |
Publications (1)
Publication Number | Publication Date |
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CN106710557A true CN106710557A (en) | 2017-05-24 |
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CN201710092601.3A Pending CN106710557A (en) | 2016-12-30 | 2017-02-21 | Display device and driving method |
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CN (1) | CN106710557A (en) |
TW (1) | TWI601110B (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2023206422A1 (en) * | 2022-04-29 | 2023-11-02 | 京东方科技集团股份有限公司 | Drive method and display device |
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CN1908750A (en) * | 2005-08-03 | 2007-02-07 | 三星电子株式会社 | Flat panel display and manufacturing method thereof |
CN102768817A (en) * | 2011-05-05 | 2012-11-07 | 群康科技(深圳)有限公司 | Display module and driving method thereof |
CN103198803A (en) * | 2013-03-27 | 2013-07-10 | 京东方科技集团股份有限公司 | Drive control unit, drive circuit and drive control method of display substrate |
CN104361878A (en) * | 2014-12-10 | 2015-02-18 | 京东方科技集团股份有限公司 | Display panel and driving method thereof as well as display device |
US20160284297A1 (en) * | 2015-03-26 | 2016-09-29 | Novatek Microelectronics Corp. | Source driver apparatus and operating method thereof |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR100917008B1 (en) * | 2003-06-10 | 2009-09-10 | 삼성전자주식회사 | Liquid crystal display device |
CN101661698B (en) * | 2008-08-26 | 2014-07-16 | 群创光电股份有限公司 | Image display system and constructing method of display panel |
TWI518654B (en) * | 2011-05-05 | 2016-01-21 | 群創光電股份有限公司 | Display module and driving method of the same |
-
2016
- 2016-12-30 TW TW105144302A patent/TWI601110B/en active
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2017
- 2017-02-21 CN CN201710092601.3A patent/CN106710557A/en active Pending
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1908750A (en) * | 2005-08-03 | 2007-02-07 | 三星电子株式会社 | Flat panel display and manufacturing method thereof |
CN102768817A (en) * | 2011-05-05 | 2012-11-07 | 群康科技(深圳)有限公司 | Display module and driving method thereof |
CN103198803A (en) * | 2013-03-27 | 2013-07-10 | 京东方科技集团股份有限公司 | Drive control unit, drive circuit and drive control method of display substrate |
CN104361878A (en) * | 2014-12-10 | 2015-02-18 | 京东方科技集团股份有限公司 | Display panel and driving method thereof as well as display device |
US20160284297A1 (en) * | 2015-03-26 | 2016-09-29 | Novatek Microelectronics Corp. | Source driver apparatus and operating method thereof |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
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WO2023206422A1 (en) * | 2022-04-29 | 2023-11-02 | 京东方科技集团股份有限公司 | Drive method and display device |
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Publication number | Publication date |
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TWI601110B (en) | 2017-10-01 |
TW201824230A (en) | 2018-07-01 |
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Application publication date: 20170524 |