CN106448605B - GOA circuit, display screen and its cutting method - Google Patents

GOA circuit, display screen and its cutting method Download PDF

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Publication number
CN106448605B
CN106448605B CN201611047312.3A CN201611047312A CN106448605B CN 106448605 B CN106448605 B CN 106448605B CN 201611047312 A CN201611047312 A CN 201611047312A CN 106448605 B CN106448605 B CN 106448605B
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CN
China
Prior art keywords
hanging line
goa
grades
display screen
line
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CN201611047312.3A
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Chinese (zh)
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CN106448605A (en
Inventor
徐向阳
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深圳市华星光电技术有限公司
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Priority to CN201611047312.3A priority Critical patent/CN106448605B/en
Publication of CN106448605A publication Critical patent/CN106448605A/en
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Publication of CN106448605B publication Critical patent/CN106448605B/en

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    • GPHYSICS
    • G09EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09GARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G3/00Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
    • G09G3/20Control 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
    • G09G3/34Control 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
    • G09G3/36Control 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
    • G09G3/3611Control of matrices with row and column drivers

Abstract

The invention discloses a kind of GOA circuit, display screen and its cutting methods, wherein GOA circuit, for providing driving signal for a display screen, comprising: multiple cascade GOA units;First clock cable, second clock signal wire, third clock cable, the 4th clock cable and line trigger signal, in which: line trigger signal connects the initial signal input terminal of the 1st grade of GOA unit and the 2nd grade of GOA unit;4K+3 grades of GOA units and 4K+4 grades of input terminal are provided with the first hanging line, line trigger signal, which connects, is provided with the second hanging line, first hanging line and the second hanging line are correspondingly arranged, K is the integer more than or equal to 0, by the above-mentioned means, the present invention can be realized the bar shaped segmentation for carrying out arbitrary proportion to display screen.

Description

GOA circuit, display screen and its cutting method

Technical field

The present invention relates to field of liquid crystal display, more particularly to a kind of GOA circuit, display screen and its cutting method.

Background technique

Liquid crystal display (LCD, Liquid Crystal Display) is with it with frivolous, colour gamut is high, low in energy consumption etc. excellent Point is widely used in TV, Monitor, Note book, App etc. and shows product.

With the pursuit to display technology, the line-screen used on subway and bus at present is also gradually taken by liquid crystal display panel Generation, and it is all to be cut by large-sized TV and Monitor display screen through over-segmentation that these line-screens are most of.For GOA For panel, gate scanning circuit is produced in the TFT substrate of LCD, constitutes cascade circuit between Gate line, if wherein one go out Now abnormal, then gated sweep just will appear exception, thus the display of liquid crystal display panel be influenced whether after progress strip-cutting, and existing Fixation is generally to the cutting ratio of display screen in technology, therefore needs to carry out special designing to GOA circuit.

Summary of the invention

The present invention provides a kind of GOA circuit, display screen and its cutting method, can be realized and carries out arbitrary proportion to display screen Bar shaped segmentation.

One technical scheme adopted by the invention is that: a kind of GOA circuit is provided, for providing driving letter for a display screen Number, the GOA circuit includes: multiple cascade GOA units;First clock cable, second clock signal wire, third clock letter Number line, the 4th clock cable and line trigger signal, in which: the line trigger signal connects the 1st grade of GOA unit and the 2nd grade The initial signal input terminal of GOA unit;First clock cable, second clock signal wire, third clock cable and Four clock cables are separately connected 4K+1 grades of GOA units, 4K+2 grades of GOA units, 4K+3 grades of GOA units and 4K+4 The clock signal input terminal of grade GOA unit;The output end of the 4K+1 grades of GOA units connects the 4K+3 grades of GOA units Input terminal, the reset signal end of the 4K+1 grades of GOA units connects the output end of the 4K+3 grades of GOA units;It is described The output end of 4K+2 grades of GOA units connects the input terminal of the 4K+4 grades of GOA units, the 4K+2 grades of GOA units Reset signal end connects the output end of the 4K+4 grades of GOA units, in which: the 4K+3 grades of GOA units and the 4K+ 4 grades of input terminal is provided with the first hanging line, and the line trigger signal, which connects, is provided with the second hanging line, the first hanging line And the second hanging line is correspondingly arranged, K is the integer more than or equal to 0.

Wherein, the described first hanging line includes first end and second end, and the second hanging line includes third end and the 4th End, the first end of the first hanging line connect the 4K+3 grades of GOA units and 4K+4 grades of the input terminal, and described the Two ends respectively correspond the third end of the described second hanging line, and the 4th end of the second hanging line connects the line trigger signal.

Wherein, the described first hanging line and the second hanging line are correspondingly arranged in the arbitrary proportion segmentation of the display screen At line.

Wherein, the described first hanging line and the second hanging line same layer setting, and the second end of the first hanging line And the third end of the second hanging line is vacantly spaced setting.

Wherein, the described first hanging line and the second hanging line different layers setting, and the second of the first hanging line The least partially overlapped setting in third end of end and the second hanging line.

In order to solve the above technical problems, another technical solution used in the present invention is: providing a kind of display screen, including upper Any GOA circuit is stated, and the GOA circuit is respectively arranged at the display screen two sides, for mentioning for the display screen For driving signal.

In order to solve the above technical problems, another technical solution that the present invention uses is to provide a kind of display screen described above Cutting method, the cutting method comprises determining that the cut-off rule of the display screen, cuts to the display screen;It will face First hanging line of the GOA circuit of nearly cut place and the second hanging line being correspondingly arranged carry out soldering, to realize State the conducting of GOA circuit.

Wherein, the method further includes: when the described first hanging line and the described second hanging line same layer are arranged, mention For a conductive film;The conductive film is covered on the second end of the described first hanging line of same layer setting and described second is hanged Above the third end of ceases to be busy, and soldering is carried out to it.

Wherein, the method further includes: when the described first hanging line and second the partly overlapping for hanging line are set When setting;Laser welding processing is carried out to the part that overlaps.

Wherein, the described first hanging line and the second hanging line are conductive metal layer.

The beneficial effects of the present invention are: a kind of GOA circuit, display screen and its cutting method are provided, by display screen Two adjacent GOA units at any cut-off rule are correspondingly arranged hanging line, for after dicing welding corresponding hanging line Processing provides driving signal to realize the conducting of GOA circuit for the display screen after cutting, so that display screen may be implemented arbitrarily The bar shaped of ratio is divided.

Detailed description of the invention

Fig. 1 is the structural schematic diagram of GOA circuit first embodiment of the present invention;

Fig. 2 is the structural schematic diagram of GOA circuit second embodiment of the present invention;

Fig. 3 is the structural schematic diagram of GOA circuit third embodiment of the present invention;

Fig. 4 is the structural schematic diagram of one embodiment of the display screen of the invention;

Fig. 5 is the flow diagram of the cutting method first embodiment of the display screen of the invention;

Fig. 6 is the flow diagram of the cutting method second embodiment of the display screen of the invention;

Fig. 7 is the flow diagram of the cutting method third embodiment of the display screen of the invention.

Specific embodiment

Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete Site preparation description, it is clear that the described embodiments are merely a part of the embodiments of the present invention, instead of all the embodiments.It is based on Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other Embodiment shall fall within the protection scope of the present invention.

Referring to Fig. 1, Fig. 1 is the structural schematic diagram of GOA circuit first embodiment of the present invention.As shown in Figure 1, the GOA Circuit 10 is used to provide driving signal for a display screen, and the GOA circuit includes: multiple cascade GOA units, the first clock letter Number line CK1, second clock signal wire CK2, third clock cable CK3, the 4th clock cable CK4, line trigger signal STV with And low potential input line Vss.

In a particular embodiment, line trigger signal STV connects the initial signal of the 1st grade of GOA unit and the 2nd grade of GOA unit Input terminal is that the 1st grade of GOA unit and the 2nd grade of GOA unit input trigger signal.

First clock cable CK1, second clock signal wire CK2, third clock cable CK3, the 4th clock cable CK4 is separately connected 4K+1 grades of GOA units, 4K+2 grades of GOA units, 4K+3 grades of GOA units and 4K+4 grades of GOA units Clock signal input terminal.Wherein, the output end of 4K+1 grades of GOA units connects the input terminal of 4K+3 grades of GOA units, 4K The reset signal end of+1 grade of GOA unit connects the output end of 4K+3 grades of GOA units;The output end of 4K+2 grades of GOA units connects The input terminal of 4K+4 grades of GOA units is connect, the reset signal end of 4K+2 grades of GOA units connects the defeated of 4K+4 grades of GOA units Outlet.

Specifically, in the GOA circuit 10, except the input signal of the 1st grade of GOA unit and the 2nd grade of GOA unit is triggering letter Number line STV provides outer, and the input signal of remaining every level-one GOA unit provides for upper interval a line GOA unit.And remove last two-stage The reset signal of GOA unit is outer by line trigger signal STV offer, and the reset signal of remaining every level-one GOA unit is lower interval one The output of capable GOA unit provides.

Further, 4K+3 grades of GOA units and 4K+4 grades of input terminal are provided with the first hanging line 12, trigger signal The second hanging line 14 is provided on line STV, and the first hanging line 12 and the second hanging line 14 are correspondingly arranged, K is more than or equal to 0 Integer.

Further, the first hanging line 12 includes first end and second end, and the second hanging line includes third end and the 4th end. Wherein, the first end of the first hanging line 12 connects 4K+3 grades of GOA units and 4K+4 grades of input terminal, second end respectively correspond The third end of second hanging line 14, and the 4th end of the second hanging line 14 connects line trigger signal STV.

In a particular embodiment, the first hanging line 12 and the second hanging line 14 can be correspondingly arranged in any ratio of display screen At example cut-off rule.In an of the invention application scenarios, by the first above-mentioned hanging line 12 and the second hanging line 14 be correspondingly arranged with At the half cut-off rule of display screen.Specifically, the first hanging line 12 and the second hanging 14 same layer of line setting, and this first The hanging second end of line 12 and the third end of the second hanging line 14 are vacantly spaced setting.Wherein, the first hanging line 12 and Second hanging line 14 is identical conductive metal layer.

Further, in other embodiments, the first hanging line 12 and the setting of the second hanging line 14 or different layers, And first hanging line 12 second end and the second hanging line 14 the least partially overlapped setting in third end.Wherein, described first Hanging line 12 and the second hanging line 14 are different conductive metal layer.

Above embodiment is correspondingly arranged outstanding by the two adjacent GOA units at the one third cut-off rule of display screen Ceases to be busy, so that the bar shaped segmentation of one third may be implemented in display screen.

Referring to Fig. 2, Fig. 2 is the structural schematic diagram of GOA circuit second embodiment of the present invention.Such as Fig. 2, it is being embodied In example, including from the 1st grade, the 2nd grade ..., 4N+1 grades, 4N+2 grades, the GOA units of 4N+3 grades and 4N+4 grades, And place is different from the first embodiment and is that the first hanging line and the second hanging line are correspondingly arranged in display screen in the present embodiment Half cut-off rule at.

Further, the first hanging line 22 and the second hanging 24 same layer of line setting, and the second of the first hanging line 22 End and the third end of the second hanging line 24 are vacantly spaced setting.Wherein, the first hanging line 22 and the second hanging line 24 are Identical conductive metal layer.

Further, in other embodiments, the first hanging line 22 and the setting of the second hanging line 24 or different layers, And first hanging line 22 second end and the second hanging line 24 the least partially overlapped setting in third end.Wherein, described first Hanging line 22 and the second hanging line 24 are different conductive metal layer.

Above embodiment is correspondingly arranged outstanding by the two adjacent GOA units at the half cut-off rule of display screen Ceases to be busy, so that the bar shaped segmentation of half may be implemented in display screen.

Referring to Fig. 3, Fig. 3 is the structural schematic diagram of GOA circuit third embodiment of the present invention.Such as Fig. 3, implement with first Mode and second embodiment the difference is that, it is the half of display screen in the present embodiment, equal at one third cut-off rule It is correspondingly arranged on the first hanging line and the second hanging line.

Further, the first hanging line 32 and the second hanging 24 same layer of line setting, and the second of the first hanging line 32 End and the third end of the second hanging line 34 are vacantly spaced setting.Wherein, the first hanging line 32 and the second hanging line 34 are Identical conductive metal layer.

Further, in other embodiments, the first hanging line 32 and the setting of the second hanging line 34 or different layers, And first hanging line 32 second end and the second hanging line 34 the least partially overlapped setting in third end.Wherein, described first Hanging line 32 and the second hanging line 34 are different conductive metal layer.

Above embodiment passes through the two adjacent GOA units at the half of display screen and one third cut-off rule It is correspondingly arranged hanging line, so that display screen both may be implemented half segmentation or one third cutting may be implemented, is increased The segmentation selectivity of display screen.

It certainly, is only schematic example to the set-up mode of the display screen ration of division in above-mentioned implementation, in other embodiments In or 1/5th, seven/first-class arbitrary proportion cutting, the present invention is not specifically limited herein.

Referring to Fig. 4, Fig. 4 is the structural schematic diagram of one embodiment of the display screen of the invention.As shown, the display screen 40 Including the GOA circuit 10,20 and 30 any in above-described embodiment, and GOA circuit 10,20 and 30 be respectively arranged at it is aobvious The two sides of display screen 40, for providing driving signal for display screen 40.

Referring to Fig. 5, Fig. 5 is the flow diagram of the cutting method first embodiment of the display screen of the invention, it is described to cut Segmentation method the following steps are included:

S10 determines the cut-off rule of display screen, cuts to display screen.

Specifically, the cut-off rule of display screen can be arbitrary proportion setting in step slo.It specifically, can be aobvious Cut-off rule is respectively provided at the half of display screen, at one third or at the half of the display screen and at one third. Certainly in other embodiments, also can be set at 1/5th, 1/7th of display screen, the present invention does not do specific limit It is fixed.After determining cut-off rule, the first hanging line is arranged at cut-off rule two adjacent GOA units, correspondence is set on line trigger signal The second hanging line is set, to cut to the display screen.

First hanging line of the GOA circuit for closing on cut place and the second hanging line being correspondingly arranged are carried out weld by S11 Reason.

In step s 11, it when the first hanging line of the cut-off rule and GOA circuit for determining display screen and is correspondingly arranged Behind the position of second hanging line, the first hanging line and the second hanging line being correspondingly arranged are subjected to soldering, to realize GOA electricity The conducting on road, further provides driving signal for display screen.

Referring to Fig. 6, Fig. 6 is the flow diagram of the cutting method second embodiment of the display screen of the invention, it is described to cut Segmentation method the following steps are included:

S20 determines the cut-off rule of display screen, cuts to display screen.

Specifically, the cut-off rule of display screen can be arbitrary proportion setting in step S20.It specifically, can be aobvious Cut-off rule is respectively provided at the half of display screen, at one third or at the half of the display screen and at one third. Certainly in other embodiments, also can be set at 1/5th, 1/7th of display screen, the present invention does not do specific limit It is fixed.After determining cut-off rule, the first hanging line is arranged at cut-off rule two adjacent GOA units, correspondence is set on line trigger signal The second hanging line is set, to cut to the display screen.

S21 provides a conductive film when the first hanging line and the setting of the second hanging line same layer.

In the step s 21, at cut-off rule two adjacent GOA units are arranged corresponding on the first hanging line and line trigger signal Second hanging line is set and does same layer setting, i.e., the third end of the second end of the first hanging line and the second hanging line is vacantly spaced and is set It sets, and the first hanging line and the second hanging line are identical conductive metal layer.Further, a conductive film is provided, it is described Conductive film can include but is not limited to ITO (three indium oxide of tin dope), AZO (aluminium-doped zinc oxide) etc., and the present invention, which is not done, to be had Body limits.

Conductive film is covered on the second end of the first hanging line of same layer setting and the third end of the second hanging line by S22 Top, and soldering is carried out to it.

In a particular embodiment, conductive film is covered on to the second end and second of the first hanging line of same layer setting vacantly Above the third end of line, and progress soldering at conductive film, to realize the conducting of GOA circuit, display screen are covered to it Normal display.Wherein, the soldering includes but is not limited to laser welding.

Referring to Fig. 7, Fig. 7 is the flow diagram of the cutting method third embodiment of the display screen of the invention, it is described to cut Segmentation method the following steps are included:

S30 determines the cut-off rule of display screen, cuts to display screen.

Specifically, the cut-off rule of display screen can be arbitrary proportion setting in step s 30.It specifically, can be aobvious Cut-off rule is respectively provided at the half of display screen, at one third or at the half of the display screen and at one third. Certainly in other embodiments, also can be set at 1/5th, 1/7th of display screen, the present invention does not do specific limit It is fixed.After determining cut-off rule, the first hanging line is arranged at cut-off rule two adjacent GOA units, correspondence is set on line trigger signal The second hanging line is set, to cut to the display screen.

The setting that partly overlaps of S31, the first hanging line and the second hanging line.

In step S31, at cut-off rule two adjacent GOA units are arranged corresponding on the first hanging line and line trigger signal The second hanging line is arranged to partly overlap setting.

S32 carries out soldering to overlapping setting unit.

When be correspondingly arranged on the first hanging line and line trigger signal the second hanging line partly overlap be arranged when, it is overlapped Setting unit carries out soldering, to realize the conducting of GOA circuit, the normal display of display screen.Wherein, the soldering Including but not limited to laser welding.

In above embodiment, it is correspondingly arranged vacantly by the two adjacent GOA units at any cut-off rule of display screen Line, and soldering is carried out to it, so that the bar shaped that arbitrary proportion may be implemented in display screen is normally shown after dividing.

In conclusion it should be readily apparent to one skilled in the art that the present invention provides a kind of GOA circuit, display screen and its cutting Method is correspondingly arranged hanging line by the two adjacent GOA units at any cut-off rule of display screen, and carries out weld to it Reason, so that the bar shaped that arbitrary proportion may be implemented in display screen is normally shown after dividing.

Mode the above is only the implementation of the present invention is not intended to limit the scope of the invention, all to utilize this Equivalent structure or equivalent flow shift made by description of the invention and accompanying drawing content, it is relevant to be applied directly or indirectly in other Technical field is included within the scope of the present invention.

Claims (9)

1. a kind of GOA circuit, for providing driving signal for a display screen, which is characterized in that the GOA circuit includes:
Multiple cascade GOA units;
First clock cable, second clock signal wire, third clock cable, the 4th clock cable and trigger signal Line, in which:
The line trigger signal connects the initial signal input terminal of the 1st grade of GOA unit and the 2nd grade of GOA unit;
First clock cable, second clock signal wire, third clock cable and the 4th clock cable are separately connected 4K+1 grades of GOA units, the clock signal of 4K+2 grades of GOA units, 4K+3 grades of GOA units and 4K+4 grades of GOA units Input terminal;The output end of the 4K+1 grades of GOA units connects the input terminal of the 4K+3 grades of GOA units, the 4K+1 The reset signal end of grade GOA unit connects the output end of the 4K+3 grades of GOA units;The 4K+2 grades of GOA units it is defeated Outlet connects the input terminal of the 4K+4 grades of GOA units, the reset signal end connection of the 4K+2 grades of GOA units described the The output end of 4K+4 grades of GOA units, in which: the 4K+3 grades of GOA units and 4K+4 grades of the input terminal are provided with One hanging line, the second hanging line is provided on the line trigger signal, and the first hanging line and the second hanging line are corresponding Setting, K are the integer more than or equal to 0;
Wherein, the described first hanging line includes first end and second end, and the second hanging line includes third end and the 4th end, institute The first end for stating the first hanging line connects the 4K+3 grades of GOA units and 4K+4 grades of the input terminal, the second end The third end of the described second hanging line is respectively corresponded, the 4th end of the second hanging line connects the line trigger signal.
2. GOA circuit according to claim 1, which is characterized in that the first hanging line and the second hanging line pair It should be set at the arbitrary proportion cut-off rule of the display screen.
3. according to claim 1 to any GOA circuit in 2, which is characterized in that the first hanging line and described second Hanging line same layer setting, and the third end of the second end of the first hanging line and the second hanging line is vacantly spaced setting.
4. according to claim 1 to any GOA circuit in 2, which is characterized in that the first hanging line and described second Hanging line different layers setting, and the third end of the second end of the first hanging line and the second hanging line is least partially overlapped Setting.
5. a kind of display screen, which is characterized in that including the GOA circuit as described in any in Claims 1-4, and the GOA is electric Road is respectively arranged at the display screen two sides, for providing driving signal for the display screen.
6. a kind of cutting method of display screen as claimed in claim 5, which is characterized in that the cutting method includes:
The cut-off rule for determining the display screen cuts the display screen;
The the first hanging line for closing on the GOA circuit of cut place and the second hanging line being correspondingly arranged are subjected to soldering, To realize the conducting of the GOA circuit.
7. cutting method according to claim 6, which is characterized in that the method further includes:
When the described first hanging line and the described second hanging line same layer are arranged, a conductive film is provided;
By the conductive film be covered on the described first hanging line of same layer setting second end and the second hanging line the Above three ends, and soldering is carried out to it.
8. cutting method according to claim 6, which is characterized in that the method further includes:
When the described first hanging line and the second hanging line partly overlap be arranged when;
Soldering is carried out to the part that overlaps.
9. cutting method according to claim 6, which is characterized in that the first hanging line and the second hanging line are Conductive metal layer.
CN201611047312.3A 2016-11-22 2016-11-22 GOA circuit, display screen and its cutting method CN106448605B (en)

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Application Number Priority Date Filing Date Title
CN201611047312.3A CN106448605B (en) 2016-11-22 2016-11-22 GOA circuit, display screen and its cutting method

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Application Number Priority Date Filing Date Title
CN201611047312.3A CN106448605B (en) 2016-11-22 2016-11-22 GOA circuit, display screen and its cutting method

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CN106448605B true CN106448605B (en) 2019-07-12

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Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107991816A (en) * 2017-11-27 2018-05-04 深圳市华星光电技术有限公司 The manufacture method of liquid crystal display panel and bar shaped liquid crystal display panel
CN109064961B (en) * 2018-07-30 2020-04-28 深圳市华星光电技术有限公司 GOA circuit of display panel

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KR20070002188A (en) * 2005-06-30 2007-01-05 엘지.필립스 엘시디 주식회사 A liquid crystal display device and a method for driving the same
KR20070048345A (en) * 2005-11-04 2007-05-09 삼성전자주식회사 Liquid crystal display and driving method thereof
CN102063876A (en) * 2009-11-17 2011-05-18 华映视讯(吴江)有限公司 Driving method and device of TFT (Thin Film Transistor) LCD (Liquid Crystal Display)
CN104134416A (en) * 2013-04-30 2014-11-05 乐金显示有限公司 Gate shift register and display device using the same
CN106023923A (en) * 2016-07-13 2016-10-12 深圳市华星光电技术有限公司 GOA (Gate Driver On Array) circuit for controllable switching display between single screen and double screens and driving method thereof

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Publication number Priority date Publication date Assignee Title
CN1885379A (en) * 2005-06-23 2006-12-27 三星电子株式会社 Shift register for display device and display device comprising shift register
KR20070002188A (en) * 2005-06-30 2007-01-05 엘지.필립스 엘시디 주식회사 A liquid crystal display device and a method for driving the same
KR20070048345A (en) * 2005-11-04 2007-05-09 삼성전자주식회사 Liquid crystal display and driving method thereof
CN102063876A (en) * 2009-11-17 2011-05-18 华映视讯(吴江)有限公司 Driving method and device of TFT (Thin Film Transistor) LCD (Liquid Crystal Display)
CN104134416A (en) * 2013-04-30 2014-11-05 乐金显示有限公司 Gate shift register and display device using the same
CN106023923A (en) * 2016-07-13 2016-10-12 深圳市华星光电技术有限公司 GOA (Gate Driver On Array) circuit for controllable switching display between single screen and double screens and driving method thereof

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