CN100411005C - Control circuit with static electricity prevention function and liquid crystal display device - Google Patents
Control circuit with static electricity prevention function and liquid crystal display device Download PDFInfo
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- CN100411005C CN100411005C CNB2006101412184A CN200610141218A CN100411005C CN 100411005 C CN100411005 C CN 100411005C CN B2006101412184 A CNB2006101412184 A CN B2006101412184A CN 200610141218 A CN200610141218 A CN 200610141218A CN 100411005 C CN100411005 C CN 100411005C
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Abstract
The disclosed control circuit with electrostatic protection function comprises: some shift registers, some buses coupled with registers, a share terminal, a group of static protection elements coupled and with one group bus for protection, and a group of discharge paths coupled with last elements and the share terminal.
Description
Technical field
The present invention relates to a kind of control circuit, particularly relate to the control circuit that has electrostatic defending on a kind of LCD with electrostatic defending.
Background technology
Please refer to Fig. 1.Fig. 1 is the synoptic diagram of a LCD 100.LCD 100 comprises a glass substrate 110, a liquid crystal layer 120 and a glass substrate 130.Glass substrate 110 comprises colored filter (color filter).Glass substrate 130 comprise thin film transistor (TFT) (thin film transistor, TFT).
Please refer to Fig. 2.Fig. 2 is the synoptic diagram of glass substrate 130.As shown in the figure, glass substrate 130 comprises many horizontal gate lines and many, and source electrode line is staggered and form a plurality of pixel regions longitudinally, as pixel region 210.For instance, pixel region 210 comprises a thin film transistor (TFT) Q1 and a storage capacitors C1, and the grid of thin film transistor (TFT) Q1 is coupled to contiguous gate line, and its source electrode is coupled to contiguous source electrode line, and its drain electrode is coupled to storage capacitors C1.The end of storage capacitors C1 is coupled to the drain electrode of thin film transistor (TFT) Q1, and the other end is coupled to a common ends VCOM.And the storage capacitors of all pixel regions, its other end all is coupled to common ends VCOM, makes all storage capacitors that common voltage level is arranged in this way.
Please refer to Fig. 3.Fig. 3 is the synoptic diagram with glass substrate 330 of electrostatic defending.Because the gate line of glass substrate 330 and the edge that source electrode line all is coupled to glass substrate 330, in order to accept outside grid signal and source electrode signal, so produce electrostatic discharge event easily (electrostaticdischarge ESD), and breaks thin film transistor (TFT) at the face plate edge place.Therefore, just place electrostatic protection element near glass substrate 330 edges at gate line and source electrode line.As shown in the figure, electrostatic protection element E1 is coupled to article one gate line, and electrostatic protection element E2 is coupled to the second gate line, and the rest may be inferred.And the other end of all electrostatic protection elements all is coupled to a common ends VA, and this is short-circuited conducting band (short ring).In this way, strengthen the ability of electrostatic defending, with faster dissipation static discharge current.
Yet another kind of glass substrate but can't be in the above described manner, the infringement that prevents static discharge current fully and caused.Please refer to Fig. 4.Fig. 4 is the synoptic diagram of glass substrate 400.Glass substrate 400 comprises a picture element module 410, a shift register module 420, a bus module 430.Picture element module 410 comprises a plurality of pixel regions and an electrostatic defending module 412.Picture element module 410 can be simulated in the design of Fig. 2 and Fig. 3, and also source electrode line is staggered longitudinally constitutes a plurality of pixel regions by many horizontal gate lines and many, shown in pixel region 411.Electrostatic defending module 412 comprises a plurality of electrostatic protection element E5～En, with a common ends VA.Shift register module 420 comprises a plurality of shift register S1～Sn, and each shift register all has corresponding gate line.First shift register S1 is in order to receive beginning signal ST, and then send the grid signal and give article one gate line, shift register S2 afterwards sends the grid signal in regular turn according to article one grid signal, and the rest may be inferred until Sn exports the scanning that n bar grid signal is finished a page to corresponding gate line.Bus module 430 comprises bus B 1, B2, B3, in order to provide bias voltage VSS, clock signal XCK and CK to shift register module 420.As seen from the figure, glass substrate 400 has had more shift register module 420 and bus module 430 with different being in glass substrate 400 of glass substrate 130.But design for the no relevant electrostatic defending of shift register module 420 and bus module 430.Though shift register module 420 itself has the ability of electrostatic defending, bus module 430 does not but have.And the bias voltage VSS that bus module 430 is received, clock signal XCK and CK all come in from glass substrate 400 outside transmission, therefore bus module 430 need be coupled to the edge of glass substrate 400, the easier situation that is subjected to the influence of electrostatic discharge event and produces short circuit or open circuit, make when making glass substrate 400, easily failure.
Summary of the invention
Therefore, fundamental purpose of the present invention promptly is to propose a kind of control circuit with antistatic protection function, to solve the above problems.
The invention provides a kind of control circuit of tool electrostatic defending, comprise a plurality of shift registers; A plurality of buses are coupled to this a plurality of shift registers; One common ends; One group of electrostatic protection element is coupled to one group of bus of these a plurality of buses, is not damaged by electrostatic induced current in order to these a plurality of buses of protection; And one group of discharge path, be coupled to this group electrostatic protection element and this common ends, in order to provide discharge path to electrostatic induced current; Wherein this common ends is in order to discharge the electrostatic induced current that is transmitted via this group discharge path, wherein this group electrostatic protection element comprises: one first electrostatic protection element, be coupled to one first bus of these a plurality of buses, this group discharge path comprises one first discharge path, is coupled to this first electrostatic protection element and this common ends; And one second electrostatic protection element, being coupled to this first bus, this group discharge path also comprises one second discharge path, is coupled to this second electrostatic protection element and this common ends.
The present invention also provides a kind of control circuit with electrostatic defending, comprises: a plurality of shift registers; A plurality of buses are coupled to this a plurality of shift registers; One common ends; One group of electrostatic protection element is coupled to one group of bus of these a plurality of buses, is not damaged by electrostatic induced current in order to these a plurality of buses of protection; And one group of discharge path, be coupled to this group electrostatic protection element and this common ends, in order to provide discharge path to electrostatic induced current, wherein this group electrostatic protection element comprises: a plurality of first electrostatic protection elements, be coupled to this a plurality of buses, this group discharge path comprises one first discharge path, is coupled to this a plurality of first electrostatic protection elements and this common ends; And a plurality of second electrostatic protection elements, being coupled to this a plurality of buses, this group discharge path also comprises one second discharge path, is coupled to this a plurality of second electrostatic protection elements and this common ends.
The present invention also provides a kind of LCD of tool electrostatic defending control circuit, comprises one first glass substrate, comprises a plurality of control circuits; A plurality of buses are coupled to this a plurality of control circuits; One common ends; One group of electrostatic protection element is coupled to one group of bus of these a plurality of buses, is not damaged by electrostatic induced current in order to these a plurality of control circuits of protection; And one group of discharge path, be coupled to this group electrostatic protection element and this common ends, in order to provide discharge path to electrostatic induced current; Wherein this common ends is in order to discharge the electrostatic induced current that is transmitted via this group discharge path; One second glass substrate; An and liquid crystal layer, this liquid crystal layer is between this first glass substrate and this second glass substrate, wherein this group electrostatic protection element comprises: one first electrostatic protection element, be coupled to one first bus of these a plurality of buses, this group discharge path comprises one first discharge path, is coupled to this first electrostatic protection element and this common ends; And one second electrostatic protection element, being coupled to this first bus, this group discharge path also comprises one second discharge path, is coupled to this second electrostatic protection element and this common ends.
The present invention also provides a kind of LCD with electrostatic defending control circuit, comprises: one first glass substrate comprises: a plurality of control circuits; A plurality of buses are coupled to this a plurality of control circuits; One common ends; One group of electrostatic protection element is coupled to one group of bus of these a plurality of buses, is not damaged by electrostatic induced current in order to these a plurality of buses of protection; And one group of discharge path, be coupled to this group electrostatic protection element and this common ends, in order to provide discharge path to electrostatic induced current; Wherein this common ends is in order to discharge the electrostatic induced current that is transmitted via this group discharge path; One second glass substrate; An and liquid crystal layer, this liquid crystal layer is between this first glass substrate and this second glass substrate, wherein this group electrostatic protection element comprises: a plurality of first electrostatic protection elements, be coupled to this a plurality of buses, this group discharge path comprises one first discharge path, is coupled to this a plurality of first electrostatic protection elements and this common ends; And a plurality of second electrostatic protection elements, being coupled to this a plurality of buses, this group discharge path also comprises one second discharge path, is coupled to this a plurality of second electrostatic protection elements and this common ends.
Description of drawings
Fig. 1 is the synoptic diagram of a LCD.
Fig. 2 is the synoptic diagram of glass substrate.
Fig. 3 is the synoptic diagram of the glass substrate of prior art.
Fig. 4 is the synoptic diagram of the glass substrate of prior art.
Fig. 5 is the synoptic diagram with control circuit of electrostatic defending of the present invention.
Fig. 6 has the synoptic diagram of the glass substrate of electrostatic defending for the present invention.
Fig. 7 has the synoptic diagram of the control circuit of electrostatic defending for of the present invention another.
Fig. 8 has the synoptic diagram of the glass substrate of electrostatic defending for of the present invention another.
Fig. 9 is the synoptic diagram of electrostatic protection element of the present invention.
The reference numeral explanation
100 LCD
110130330400600800 glass substrates
120 liquid crystal layers
210411811 pixel regions
The Q1 thin film transistor (TFT)
The C1 storage capacitors
VCOM VA Vx common ends
The E1-En electrostatic protection element
410610810 picture element modules
420520720 shift register modules
430510710 bus modules
412530540612730740812 electrostatic defending modules
S1～Sn shift register
ST begins signal
The B1-B9 bus
The VSS bias voltage
XCK CK clock signal
The P1P2P3P4 discharge path
500700 control circuits
501502701 electrostatic discharge events
Embodiment
Please refer to Fig. 5.Fig. 5 is the synoptic diagram with control circuit 500 of electrostatic defending of the present invention.As shown in the figure, the control circuit 500 with electrostatic defending comprises a bus module 510, a shift register module 520, two electrostatic defending modules 530 and 540, two discharge path P1 and P2, a common ends Vx.Bus module 510 comprises bus B 4, B5, B6, respectively in order to provide bias voltage VSS, clock signal XCK and CK to shift register module 520.Shift register module 520 comprises a plurality of shift register S1～Sn, and each shift register all has corresponding gate line.First shift register S1 is in order to receive beginning signal ST, and then send the grid signal and give article one gate line, shift register S2 afterwards sends the grid signal in regular turn according to article one grid signal, and the rest may be inferred until Sn exports the scanning that n bar grid signal is finished a page to corresponding gate line.Electrostatic defending module 530 comprises three electrostatic protection element E7, E8, E9, is coupled to bus B 4, B5, B6 respectively, avoids the infringement of electrostatic discharge event in order to protection bus B 4～B6.Electrostatic defending module 540 comprises three electrostatic protection element E10, E11, E12, is coupled to bus B 4, B5, B6 respectively and keeps a fixed range with protection module 530, avoids the infringement of electrostatic discharge event in order to protection bus B 4～B6.Discharge path P1 and P2 are coupled to electrostatic defending module 530 and 540 respectively, in order to the path of static discharge current circulation to be provided.Common ends Vx is coupled to discharge path P1 and P2, dissipates in order to the static discharge current that will be circulated.For instance, under general state, electrostatic defending module 530 is an off state, and for bus B 4, electrostatic protection element E7 also presents off state, therefore, can not influence the normal operation of bus B 4.And when an electrostatic discharge event 501 betided bus B 4 upper ends, electrostatic protection element E7 conducting to discharge path P1, again via common ends Vx, discharged this static discharge current with the static discharge current conducting, protected bus B 4 with this.For example when electrostatic discharge event 502 betides bus B 4 lower ends, electrostatic protection element E10 conducting to discharge path P2, again via common ends Vx, discharges this static discharge current with the static discharge current conducting, protects bus B 4 with this again.And putting of electrostatic defending module 530 and 540 positions in fact is not upper end or the lower end that definitely is positioned at bus module, and the consideration during according to configuration is put.And the electrostatic defending module also is not limited only to two groups, or can be many groups, is that the consideration during according to configuration is designed.
Please refer to Fig. 6.Fig. 6 has the synoptic diagram of the glass substrate 600 of electrostatic defending for the present invention.Glass substrate 600 comprises a picture element module 610, one control circuits 500.Picture element module 610 comprises a plurality of pixel regions and an electrostatic defending module 612.Picture element module 610 can be simulated in the design of picture element module 410, and also source electrode line is staggered longitudinally constitutes a plurality of pixel regions by many horizontal gate lines and many, shown in pixel region 611.Electrostatic defending module 612 comprises a plurality of electrostatic protection element E13～En, with a common ends VA.And the common ends Vx in the control circuit 500; just can couple with the common ends VCOM of picture element module 610; perhaps the common ends VA with electrostatic defending module 612 couples; make when electrostatic discharge event betides bus module 510; static discharge current can be via electrostatic defending module 530 or 540, and flow through respectively discharge path P1 or P2 flow to common ends Vx again; dissipate via common ends VCOM or VA at last, to reach the purpose of protection bus module 510.
Please refer to Fig. 7.Fig. 7 has the synoptic diagram of the control circuit 700 of electrostatic defending for of the present invention another.As shown in the figure, the control circuit 700 with electrostatic defending comprises a bus module 710, a shift register module 720, two electrostatic defending modules 730 and 740, two electrostatic protection element E21 and E22, two discharge path P3 and P4, a common ends Vx.Bus module 710 comprises bus B 7, B8, B9, respectively in order to provide bias voltage VSS, clock signal XCK and CK to shift register module 720.Shift register module 720 comprises a plurality of shift register S1～Sn, and each shift register all has corresponding gate line.First shift register S1 is in order to receive beginning signal ST, and then send the grid signal and give article one gate line, shift register S2 afterwards sends the grid signal in regular turn according to article one grid signal, and the rest may be inferred until Sn exports the scanning that n bar grid signal is finished a page to corresponding gate line.Electrostatic defending module 730 comprises three electrostatic protection element E15, E16, E17, is coupled to the upper end of bus B 7, B8, B9 respectively, avoids the infringement of electrostatic discharge event in order to protection bus B 7～B9.Electrostatic defending module 740 comprises three electrostatic protection element E18, E19, E20, is coupled to the lower end of bus B 7, B8, B9 respectively, avoids the infringement of electrostatic discharge event in order to protection bus B 7～B9.Discharge path P3 and P4 are coupled to electrostatic defending module 730 and 740 respectively, in order to the path of static discharge current circulation to be provided.Common ends Vx is coupled to discharge path P3 and P4 respectively via electrostatic protection element E22 and E21, dissipates in order to the static discharge current that will be circulated.Control circuit 700 is similar to control circuit 500, and difference only is control circuit 700 between discharge path P3, P4 and common ends Vx, many two electrostatic protection element E21 and E22.Its purpose is as if the point of crossing A that betides when electrostatic discharge event 701 among Fig. 7, A punches with the point of crossing, make discharge path P3 and bus B 8 short circuits, if discharge path P3 directly is coupled to common ends Vx, because common ends Vx provides a fixing voltage level, and can the clock signal XCK on the bus B 8 be held, cause misoperation.But if between discharge path P3 and common ends Vx, add an electrostatic protection element E21, then after point of crossing A is punched, though bus B 8 is short circuit with discharge path P3, but because of the relation of electrostatic protection element E21 is arranged, bus B 8 can directly not be coupled to common ends Vx, and under general state, electrostatic protection element E21 is an off state, therefore, under general state bus B 8 still can normal operation with transmission clock signal XCK.Same situation also is applicable to when electrostatic discharge event 701 betides point of crossing B, C, D, also can be by electrostatic protection element E21 and E22, and allow bus B 7～B9 still can normal operation.In addition, point of crossing A～D only represents that discharge path has with bus and intersects, under normal condition, there is no the relation of coupling, for instance, when configuration, bus B 8 is that vertical cabling is in the ground floor routing layer, and discharge path P3 is that horizontal cabling is in second layer routing layer, because so layer is not different no actual coupling, when electrostatic discharge event betides the point of crossing A of bus B 8, if point of crossing A is punched, then still can cause the bus B 8 of ground floor routing layer and the short circuit of the discharge path P3 of second layer routing layer.And putting of electrostatic defending module 730 and 740 positions in fact is not upper end or the lower end that definitely is positioned at bus module, is that the consideration during according to configuration is put.And the electrostatic defending module also is not limited only to two groups, or can be many groups, and the consideration during also according to configuration is designed.
Please refer to Fig. 8.Fig. 8 has the synoptic diagram of the glass substrate 800 of electrostatic defending for the present invention.Glass substrate 800 comprises a picture element module 810, a control circuit 700.Picture element module 810 comprises a plurality of pixel regions, an electrostatic defending module 812.Picture element module 810 can be simulated in the design of picture element module 410, and also source electrode line is staggered longitudinally constitutes a plurality of pixel regions by many horizontal gate lines and many, shown in pixel region 811.Electrostatic defending module 812 comprises a plurality of electrostatic protection element E23～En, with a common ends VA.And the common ends Vx in the control circuit 700; just can couple with the common ends VCOM of picture element module 810; perhaps the common ends VA with electrostatic defending module 812 couples, and makes that static discharge current can be via electrostatic defending module 730 or 740 when electrostatic discharge event betides bus module 710; discharge path P3 or P4 flow through respectively; via electrostatic protection element E22 and E21, flow to common ends Vx again, dissipate via common ends VCOM or VA at last; with this, realize protecting the purpose of bus module 710.
Please refer to Fig. 9.Fig. 9 is the synoptic diagram of electrostatic protection element 900 of the present invention.Electrostatic protection element 900 can be formed by diode D1 and back-to-back the coupling of D2, but the element that perhaps avoids electrostatic discharge events by other protection circuit elements is constituted.
In sum, via the design of tool electrostatic discharge protection circuit of the present invention, when producing glass substrate, just can resist electrostatic discharge event effectively, make and can avoid the related signal cabling of control circuit on the glass substrate infringement of electrostatic discharge event, and then improve the qualification rate of producing.Yet the electrostatic discharge protection circuit that the present invention is designed, be not only to limit to be applied on glass substrate and the LCD, other circuit design all can be utilized spirit of the present invention, with electrostatic protection element, discharge path, common ends etc., realize the purpose of electrostatic defending.
The above only is preferred embodiment of the present invention, and all equalizations of doing according to claim of the present invention change and modify, and all should belong to covering scope of the present invention.
Claims (18)
1. control circuit with electrostatic defending comprises:
A plurality of shift registers;
A plurality of buses are coupled to this a plurality of shift registers;
One common ends;
One group of electrostatic protection element is coupled to one group of bus of these a plurality of buses, is not damaged by electrostatic induced current in order to these a plurality of buses of protection; And
One group of discharge path is coupled to this group electrostatic protection element and this common ends, in order to providing discharge path to electrostatic induced current,
Wherein this group electrostatic protection element comprises:
One first electrostatic protection element is coupled to one first bus of these a plurality of buses, and this group discharge path comprises one first discharge path, is coupled to this first electrostatic protection element and this common ends; And
One second electrostatic protection element is coupled to this first bus, and this group discharge path also comprises one second discharge path, is coupled to this second electrostatic protection element and this common ends.
2. control circuit as claimed in claim 1 also comprises one the 3rd electrostatic protection element, is coupled between this second discharge path and this common ends.
3. control circuit as claimed in claim 1 also comprises one the 4th electrostatic protection element, is coupled between this first discharge path and this common ends.
4. control circuit as claimed in claim 1, wherein this group electrostatic protection element diode that is one group of mutual reverse parallel connection.
5. control circuit with electrostatic defending comprises:
A plurality of shift registers;
A plurality of buses are coupled to this a plurality of shift registers;
One common ends;
One group of electrostatic protection element is coupled to one group of bus of these a plurality of buses, is not damaged by electrostatic induced current in order to these a plurality of buses of protection; And
One group of discharge path is coupled to this group electrostatic protection element and this common ends, in order to providing discharge path to electrostatic induced current,
Wherein this group electrostatic protection element comprises:
A plurality of first electrostatic protection elements are coupled to this a plurality of buses, and this group discharge path comprises one first discharge path, are coupled to this a plurality of first electrostatic protection elements and this common ends; And
A plurality of second electrostatic protection elements are coupled to this a plurality of buses, and this group discharge path also comprises one second discharge path, are coupled to this a plurality of second electrostatic protection elements and this common ends.
6. control circuit as claimed in claim 5 also comprises one the 3rd electrostatic protection element, is coupled between this second discharge path and this common ends.
7. control circuit as claimed in claim 5 also comprises one the 4th electrostatic protection element, is coupled between this first discharge path and this common ends.
8. control circuit as claimed in claim 5, wherein this group electrostatic protection element diode that is one group of mutual reverse parallel connection.
9. LCD with electrostatic defending control circuit comprises:
One first glass substrate comprises:
A plurality of control circuits;
A plurality of buses are coupled to this a plurality of control circuits;
One common ends;
One group of electrostatic protection element is coupled to one group of bus of these a plurality of buses, is not damaged by electrostatic induced current in order to these a plurality of buses of protection; And
One group of discharge path is coupled to this group electrostatic protection element and this common ends, in order to provide discharge path to electrostatic induced current;
Wherein this common ends is in order to discharge the electrostatic induced current that is transmitted via this group discharge path;
One second glass substrate; And
One liquid crystal layer, this liquid crystal layer between this first glass substrate and this second glass substrate,
Wherein this group electrostatic protection element comprises:
One first electrostatic protection element is coupled to one first bus of these a plurality of buses, and this group discharge path comprises one first discharge path, is coupled to this first electrostatic protection element and this common ends; And
One second electrostatic protection element is coupled to this first bus, and this group discharge path also comprises one second discharge path, is coupled to this second electrostatic protection element and this common ends.
10. LCD as claimed in claim 9, wherein this first glass substrate also comprises one the 3rd electrostatic protection element, is coupled between this second discharge path and this common ends.
11. LCD as claimed in claim 9, wherein this first glass substrate also comprises one the 4th electrostatic protection element, is coupled between this first discharge path and this common ends.
12. LCD as claimed in claim 9, wherein these a plurality of control circuits are a plurality of shift registers.
13. LCD as claimed in claim 9, wherein this group electrostatic protection element diode that is one group of mutual reverse parallel connection.
14. the LCD with electrostatic defending control circuit comprises:
One first glass substrate comprises:
A plurality of control circuits;
A plurality of buses are coupled to this a plurality of control circuits;
One common ends;
One group of electrostatic protection element is coupled to one group of bus of these a plurality of buses, is not damaged by electrostatic induced current in order to these a plurality of buses of protection; And
One group of discharge path is coupled to this group electrostatic protection element and this common ends, in order to provide discharge path to electrostatic induced current;
Wherein this common ends is in order to discharge the electrostatic induced current that is transmitted via this group discharge path;
One second glass substrate; And
One liquid crystal layer, this liquid crystal layer between this first glass substrate and this second glass substrate,
Wherein this group electrostatic protection element comprises:
A plurality of first electrostatic protection elements are coupled to this a plurality of buses, and this group discharge path comprises one first discharge path, are coupled to this a plurality of first electrostatic protection elements and this common ends; And
A plurality of second electrostatic protection elements are coupled to this a plurality of buses, and this group discharge path also comprises one second discharge path, are coupled to this a plurality of second electrostatic protection elements and this common ends.
15. LCD as claimed in claim 14, wherein this first glass substrate also comprises one the 3rd electrostatic protection element, is coupled between this second discharge path and this common ends.
16. LCD as claimed in claim 14, wherein this first glass substrate also comprises one the 4th electrostatic protection element, is coupled between this first discharge path and this common ends.
17. LCD as claimed in claim 14, wherein these a plurality of control circuits are a plurality of shift registers.
18. LCD as claimed in claim 14, wherein this group electrostatic protection element diode that is one group of mutual reverse parallel connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2006101412184A CN100411005C (en) | 2006-09-28 | 2006-09-28 | Control circuit with static electricity prevention function and liquid crystal display device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2006101412184A CN100411005C (en) | 2006-09-28 | 2006-09-28 | Control circuit with static electricity prevention function and liquid crystal display device |
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| CN1928640A CN1928640A (en) | 2007-03-14 |
| CN100411005C true CN100411005C (en) | 2008-08-13 |
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| CNB2006101412184A Active CN100411005C (en) | 2006-09-28 | 2006-09-28 | Control circuit with static electricity prevention function and liquid crystal display device |
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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN101887707A (en) * | 2010-06-24 | 2010-11-17 | 华为终端有限公司 | LCD electrostatic protection method and LCD |
| CN103268747B (en) * | 2012-12-26 | 2016-01-06 | 上海中航光电子有限公司 | A kind of amorphous silicon gate driver circuit |
| CN106710541A (en) * | 2015-11-17 | 2017-05-24 | 南京瀚宇彩欣科技有限责任公司 | Liquid crystal display device |
| CN105448224B (en) * | 2015-12-31 | 2018-05-25 | 上海中航光电子有限公司 | Display panel and display device |
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| US6097509A (en) * | 1996-11-27 | 2000-08-01 | Rohm Co., Ltd. | Image sensor |
| US6333661B1 (en) * | 1998-09-25 | 2001-12-25 | Kabushiki Kaisha Toshiba | Insulated-gate transistor signal input device |
| JP2003308050A (en) * | 2002-04-16 | 2003-10-31 | Seiko Epson Corp | Driving circuit and electro-optical panel |
| CN1564060A (en) * | 2004-03-15 | 2005-01-12 | 友达光电股份有限公司 | LCD panel protective circuit and LCD |
| US20050127369A1 (en) * | 2003-12-15 | 2005-06-16 | Seiko Epson Corporation | Electro-optical device, driving circuit, and electronic apparatus |
| CN1728216A (en) * | 2004-07-26 | 2006-02-01 | 精工爱普生株式会社 | Driving circuit for electro-optical panel and driving method thereof, electro-optical device, and electronic apparatus having electro-optical device |
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|---|---|---|---|---|
| US6097509A (en) * | 1996-11-27 | 2000-08-01 | Rohm Co., Ltd. | Image sensor |
| US6333661B1 (en) * | 1998-09-25 | 2001-12-25 | Kabushiki Kaisha Toshiba | Insulated-gate transistor signal input device |
| JP2003308050A (en) * | 2002-04-16 | 2003-10-31 | Seiko Epson Corp | Driving circuit and electro-optical panel |
| US20050127369A1 (en) * | 2003-12-15 | 2005-06-16 | Seiko Epson Corporation | Electro-optical device, driving circuit, and electronic apparatus |
| CN1564060A (en) * | 2004-03-15 | 2005-01-12 | 友达光电股份有限公司 | LCD panel protective circuit and LCD |
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