CN104575366B - Scanning driving circuit structure and OLED (organic light-emitting display) - Google Patents
Scanning driving circuit structure and OLED (organic light-emitting display) Download PDFInfo
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- CN104575366B CN104575366B CN201310480982.4A CN201310480982A CN104575366B CN 104575366 B CN104575366 B CN 104575366B CN 201310480982 A CN201310480982 A CN 201310480982A CN 104575366 B CN104575366 B CN 104575366B
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Abstract
The invention discloses a scanning driving circuit structure and an OLED (organic light-emitting display). The scanning driving circuit structure comprises at least one scanning driver, wherein a scanning signal line is led out of each scanning driver, and at least one scanning amplifying circuit is in series connection with each scanning signal line. The scanning amplifying circuits are added in display areas, so that scanning signals required by pixel circuits in the OLED are enhanced, the scanning signal driving capacity of the scanning drivers in the OLED is significantly enhanced, and various display problems caused by signal delay of the scanning signals of the different display areas are solved. Besides, the circuit structure is simple to implement and low in cost.
Description
Technical field
The present invention relates to organic light emitting display technology, is a kind of scan drive circuit structure and organic light emission specifically
Display.
Background technology
Active matrix organic light-emitting diode (AMOLED) display device is active luminescent device.Compare present main flow
Flat panel display Thin Film Transistor-LCD (TFT-LCD), AMOLED have high-contrast, wide viewing angle, low-power consumption,
The advantages of thickness is thinner, is expected to become the flat panel display of future generation after LCD, is subject in current flat panel display
One of most technology of concern.
Fig. 1 is traditional AMOLED pixel-driving circuits, including switching transistor T1, storage capacitance Cst, driving transistor
T2, Organic Light Emitting Diode OLED, power supply Vdd and Vss, scan signal line Sn, data signal line Dm.
Fig. 2 is the electrical block diagram of traditional displayer, including data driver, scanner driver, as
Plain circuit 10, OLED circuits 20 etc..However as the increase of monitor resolution, the layout cabling needs of drive signal line Sn become
It is thinner, such resistance can become big, and its load can also become big, so the signal delay of drive signal line can become big, so need
Improve the driving force of scanner driver.
Fig. 3 is the electrical block diagram of follow-on displayer.The circuit employs bilateral turntable driving
Device, this mode can improve the driving force of scanner driver.However, with intelligence machine popularization and user require
Improve, the fineness more and more higher of display, the load for causing drive signal line Sn is further increased, bilateral scanner driver
Requirement of the display to the driving force of scanner driver can no longer be met.
The content of the invention
The technical problem to be solved in the present invention is to provide a kind of driving force that can strengthen drive signal line, such that it is able to
Meet scan drive circuit structure and OLED that higher resolution shows demand.
In order to solve above-mentioned technical problem, the invention provides a kind of scan drive circuit structure, including at least one sweeps
Retouch driver, on the scanner driver scan signal line led to, per scan signal line described in bar on be serially connected with least one
Scanning amplifying circuit.
Further, the scanning amplifying circuit is arranged at the viewing area of OLED.
Further, the total m row of the pixel, the scanning amplifying circuit is arranged at X row pixels, X row pixels
Image element circuit deviate from X row pixels Organic Light Emitting Diode OLED side；Wherein, the X and m are positive integer,
And 1<X<m.
Further, the image element circuit of other pixels of the image element circuit deviation side of X row pixel deviates from corresponding
OLED side, and offset direction is identical with the image element circuit offset direction of X row pixels.
Further, the distance of a pixel is deviateed between the image element circuit and corresponding OLED.
Further, every scan signal line is provided with two scanning amplifying circuits, is provided with two scannings
Image element circuit corresponding to the pixel of amplifying circuit is respectively offset from corresponding OLED different side, and offset direction phase
Instead.
Further, the scanning amplifying circuit includes input, output end and two supply terminals；The input
Connect the scan signal line on scanner driver respectively with output end；Two supply terminals connect respectively power supply VGH and VGL.
Further, the input and output end that the scanner driver has two, the scanning amplifying circuit connects respectively
Connect the scan signal line of two scanner drivers.
Further, the scanning amplifying circuit is made up of multiple thin film transistor (TFT) TFT.
The present invention also provides a kind of OLED for including above-mentioned scan drive circuit structure.
The present invention in viewing area by increasing scanning amplifying circuit so that in OLED needed for image element circuit
The scanning signal wanted is strengthened, and significantly improves the scanning signal driving force of the scanner driver of OLED,
So as to solve the various display problems caused by the signal delay because of different viewing area scanning signals.Also, the present invention's
Circuit structure realizes simple, low cost.
Description of the drawings
Fig. 1 is a kind of structure principle chart of organic light-emitting display device picture element circuit in prior art.
Fig. 2 is the structure principle chart of OLED scan drive circuit in prior art.
Fig. 3 is the structure principle chart of improved OLED scan drive circuit in prior art.
Fig. 4 is the structure principle chart of the OLED scan drive circuit of the present invention.
Fig. 5 is the embodiment schematic diagram of the connection of image element circuit and scanning amplifying circuit in the present invention.
Fig. 6 is the structure principle chart of the heretofore described scanning embodiment of amplifying circuit one.
Specific embodiment
Below in conjunction with the accompanying drawings the invention will be further described with specific embodiment, so that those skilled in the art can be with
It is better understood from the present invention and can be practiced, but illustrated embodiment is not as a limitation of the invention.
As shown in figure 4, the scan drive circuit structure of the present invention, it includes data driver, scanner driver, pixel electricity
Road 10, OLED circuits 20, scanning amplifying circuit and power supply Vdd and Vss.Data signal line 30 is led on data driver,
Scan signal line 40 is led on scanner driver, per scan signal line described in bar on be serially connected with least one scanning amplify electricity
Road.And scan the viewing area 50 that amplifying circuit is arranged at OLED.In the embodiment shown in fig. 4, turntable driving
Device has two, respectively positioned at the both sides of OLED viewing area, leads to respectively on two scanner drivers a plurality of
Scan signal line, every scan signal line is used for turntable driving one-row pixels.A scanning is provided with every scan signal line
Amplifying circuit, namely only add a column scan amplifying circuit.
As shown in Figure 4 embodiment, has m row pixels, and scans the X row pixels that amplifying circuit is arranged on viewing area
Place.The circuit space of X row pixels is occupied due to scanning amplifying circuit, is needed the image element circuit corresponding to X row pixels
Deviate to side, and the image element circuit of other pixels on image element circuit offset direction is deviateed in the same direction successively, and show
Show that the OLED LED positions in region are constant.That is, the image element circuit of X row pixels deviates from corresponding organic light emission
The side of diode OLED, the image element circuit of other pixels of the image element circuit deviation side of X row pixels deviates from corresponding
OLED side, and offset direction is identical with the image element circuit offset direction of X row pixels.Preferably, image element circuit deviates
It is the distance of a pixel between the distance of one pixel, i.e. image element circuit and corresponding OLED.Certainly, image element circuit with it is corresponding
The distance between OLED not limited to this, it is also possible to be less than the distance of a pixel（Such as 1/2nd pixels away from
From）, or more than the distance of a pixel（Such as distance of two pixels）.
The concrete offset direction of image element circuit can set as needed, when a column scan amplifying circuit is only added, can be with
The position of a pixel is deviateed in image element circuit on the left of scanning amplifying circuit scanner driver direction to the left, or will be swept
Retouch the position that a pixel is deviateed in the scanner driver direction to the right of the image element circuit on the right side of amplifying circuit.Real shown in Fig. 4
In applying example, the 1st arranges to the image element circuit of X row pixels the position for being deviated to the left a pixel successively, will X row pixels picture
Plain circuit is arranged at X-1 row pixels, and the image element circuit of X-1 row pixels is arranged at X-2 row pixels, with such
Push away, the image element circuit of the 2nd row pixel is arranged at the 1st row pixel, and the 1st row pixel（Including pixel 11, pixel 21 ..., pixel
n1）Image element circuit arrange to outside viewing area.The image element circuit position of scanning amplifying circuit right pixel is constant.In the same manner,
X can also be arranged to the image element circuit of m row pixels as needed the position for being deviated to the right a pixel successively, and scanned and put
The image element circuit position of big circuit left pixel is constant.
In the present invention, the OLED of each pixel is that the position of organic light emitting diode does not change；The picture of the n-th row pixel
Plain circuit still connects with the Organic Light Emitting Diode of the n-th row；Such as the 1st row image element circuit still with the 1st row organic
Optical diode connect, i.e., pixel 11 and OLED11 connection, pixel 21 and OLED21 connection ..., pixel n1 and OLEDn1 connection.
Above-mentioned deviation refers in pixel the position of image element circuit with corresponding OLED at a distance from when the distance left
Exactly during a pixel, the image element circuit of a certain pixel is located at the OLED lower sections of its side neighbor.As shown in figure 5, X
Scanning amplifying circuit is inserted in row pixel, the space of X row pixels is occupied due to scanning amplifying circuit, then X row pixel
Image element circuit need to the left（Can also be to the right in other embodiments）Deviate, under being arranged on the OLED of X-1 row pixels
Face.Accordingly, because the space of X-1 row pixels is due to being provided with the image element circuit of X row pixels, then X-1 row pixels
Image element circuit to be also accordingly deviated to the left, that is, arrange below the OLED of X-2 row pixels.The rest may be inferred, 1 to X-1 row pictures
The image element circuit of element is also deviated to the left respectively, wherein the image element circuit of the 1st row pixel is arranged on outside viewing area.
In addition, the present invention can also arrange two scanning amplifying circuits on every scan signal line, it is provided with two and sweeps
Retouch the image element circuit corresponding to the pixel of amplifying circuit to offset to different direction respectively.That is, the scanning amplifying circuit in left side
The image element circuit of corresponding pixel is moved to the left the position of a pixel, correspondingly, the pixel of other pixels on the left of the pixel
Circuit is moved to the left successively the position of a pixel；And the image element circuit of pixel moves right corresponding to the scanning amplifying circuit then of the right side
The position of a pixel is moved, correspondingly, the image element circuit of other pixels on the right side of the pixel moves right successively pixel
Position.Certainly, the distance between image element circuit and corresponding OLED not limited to this, it is also possible to be less than the distance of a pixel
（Such as distance of 1/2nd pixels）, or more than the distance of a pixel（Such as distance of two pixels）.According to this may be used
Analogize when viewing area adds more column scan amplifying circuits, the shift position of image element circuit.
As shown in fig. 6, scanning amplifying circuit includes input, output end and two supply terminals；Input and output
End connects respectively the scan signal line on scanner driver.Fig. 4 is referred to simultaneously, scans input and the left side of amplifying circuit
Signal Sn ' the connections that the scanner driver on the signal Sn connections that scanner driver is produced, output end and right side is produced.Two power supplys
Terminals connect respectively power supply VGH and VGL.
In the embodiment shown in fig. 6, scan amplifying circuit to be made up of eight thin film transistor (TFT) TFT.And in other embodiments
In, it would however also be possible to employ less TFT or more TFT is constituted, or can also adopt road known to those skilled in the art
Other amplification circuit structures.The effect of this scanning amplifying circuit is to be amplified scanning drive signal, can realize the effect
Amplifying circuit can apply to the present invention.
The OLED of the present invention, is that above-mentioned scan drive circuit is adopted in its circuit structure.
The present invention is carried out scanning signal using scanning amplifying circuit because increased scanning amplifying circuit in viewing area
Amplify, make the scanning signal required for image element circuit be strengthened, improve scanner driver in OLED and provide
Scanning signal driving force, it is various caused by the signal delay because of different viewing area scanning signals such that it is able to solve
Display problem.
Embodiment described above is only the preferred embodiment lifted to absolutely prove the present invention, the protection model of the present invention
Enclose not limited to this.Equivalent substitute or conversion that those skilled in the art are made on the basis of the present invention, in the present invention
Protection domain within.Protection scope of the present invention is defined by claims.
Claims (8)
1. a kind of scan drive circuit structure, including at least one scanner driver, leads to scanning on the scanner driver
Holding wire, every scan signal line is used for turntable driving one-row pixels, it is characterised in that concatenate on per scan signal line described in bar
There is at least one scanning amplifying circuit, the scanning amplifying circuit is arranged at the viewing area of OLED, the picture
The total m row of element, the scanning amplifying circuit is arranged at X row pixels, and the image element circuit of X row pixels deviates from X row pictures
The side of the Organic Light Emitting Diode OLED of element；Wherein, the X and m are positive integer, and 1<X<m.
2. scan drive circuit structure according to claim 1, it is characterised in that the image element circuit of X row pixels deviates
The image element circuit of other pixels of side deviates from the side of corresponding OLED, and the pixel of offset direction and X row pixels
Circuit offset direction is identical.
3. scan drive circuit structure according to claim 1 and 2, it is characterised in that the image element circuit with it is corresponding
Deviate the distance of a pixel between OLED.
4. scan drive circuit structure according to claim 1, it is characterised in that every scan signal line is provided with two
The scanning amplifying circuit, is provided with the image element circuit corresponding to the pixel of two scanning amplifying circuits and is respectively offset from institute
Corresponding OLED, and offset direction is contrary.
5. scan drive circuit structure according to claim 1, it is characterised in that the scanning amplifying circuit includes input
End, output end and two supply terminals；The input and output end connect respectively the scan signal line on scanner driver；
Two supply terminals connect respectively power supply VGH and VGL.
6. scan drive circuit structure according to claim 5, it is characterised in that the scanner driver has two, institute
The input and output end for stating scanning amplifying circuit connects respectively the scan signal line of two scanner drivers.
7. scan drive circuit structure according to claim 5, it is characterised in that the scanning amplifying circuit is by multiple thin
Film transistor TFT is constituted.
8. one kind includes the OLED of the scan drive circuit structure in claim 1 ~ 7 described in any one.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310480982.4A CN104575366B (en) | 2013-10-15 | 2013-10-15 | Scanning driving circuit structure and OLED (organic light-emitting display) |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310480982.4A CN104575366B (en) | 2013-10-15 | 2013-10-15 | Scanning driving circuit structure and OLED (organic light-emitting display) |
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| CN104575366A CN104575366A (en) | 2015-04-29 |
| CN104575366B true CN104575366B (en) | 2017-04-19 |
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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108877671B (en) | 2018-07-24 | 2020-08-25 | 京东方科技集团股份有限公司 | Pixel circuit, driving method thereof and display device |
| CN110517642A (en) * | 2019-08-14 | 2019-11-29 | 深圳市华星光电半导体显示技术有限公司 | A kind of array substrate and display panel |
| CN110992897B (en) * | 2019-12-31 | 2021-03-16 | 深圳市华星光电半导体显示技术有限公司 | Display panel driving method, display driving circuit and display panel |
| TWI775561B (en) | 2021-08-11 | 2022-08-21 | 友達光電股份有限公司 | Display device |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1942071A (en) * | 2005-09-30 | 2007-04-04 | 友达光电股份有限公司 | Display device, repairing structure for display device circuit and its production |
| CN101083052A (en) * | 2006-05-31 | 2007-12-05 | 株式会社半导体能源研究所 | Display device, driving method of display device, and electronic appliance |
| CN101206832A (en) * | 2006-12-15 | 2008-06-25 | 株式会社半导体能源研究所 | Semiconductor device and driving method thereof |
| CN101286306A (en) * | 2007-04-10 | 2008-10-15 | 株式会社日立显示器 | Liquid crystal display device |
| CN101568954A (en) * | 2007-01-31 | 2009-10-28 | 夏普株式会社 | Display device |
| CN102411905A (en) * | 2011-11-24 | 2012-04-11 | 四川长虹电器股份有限公司 | Control method of air-conditioner display screen display frequency |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4455215B2 (en) * | 2004-08-06 | 2010-04-21 | キヤノン株式会社 | Imaging device |
-
2013
- 2013-10-15 CN CN201310480982.4A patent/CN104575366B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1942071A (en) * | 2005-09-30 | 2007-04-04 | 友达光电股份有限公司 | Display device, repairing structure for display device circuit and its production |
| CN101083052A (en) * | 2006-05-31 | 2007-12-05 | 株式会社半导体能源研究所 | Display device, driving method of display device, and electronic appliance |
| CN101206832A (en) * | 2006-12-15 | 2008-06-25 | 株式会社半导体能源研究所 | Semiconductor device and driving method thereof |
| CN101568954A (en) * | 2007-01-31 | 2009-10-28 | 夏普株式会社 | Display device |
| CN101286306A (en) * | 2007-04-10 | 2008-10-15 | 株式会社日立显示器 | Liquid crystal display device |
| CN102411905A (en) * | 2011-11-24 | 2012-04-11 | 四川长虹电器股份有限公司 | Control method of air-conditioner display screen display frequency |
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