CN100416646C - Pixel unit circuit structure of displaying board and driving method - Google Patents
Pixel unit circuit structure of displaying board and driving method Download PDFInfo
- Publication number
- CN100416646C CN100416646C CNB2005100807134A CN200510080713A CN100416646C CN 100416646 C CN100416646 C CN 100416646C CN B2005100807134 A CNB2005100807134 A CN B2005100807134A CN 200510080713 A CN200510080713 A CN 200510080713A CN 100416646 C CN100416646 C CN 100416646C
- Authority
- CN
- China
- Prior art keywords
- sweep trace
- mentioned
- couples
- correspondence
- transistor
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Images
Landscapes
- Liquid Crystal Display Device Control (AREA)
- Liquid Crystal (AREA)
Abstract
A display panel with number of data line and scan line, wherein scan line parallel arrangement along first direction, and data line parallel each other along second direction and interlacing configuration with scan line, on each scan line and data line intersection area set with pixel unit, and each scan line set with switching element, each switching element according to corresponded scan line transmitted scanning signal determining whether conducting public voltage to corresponded scan line coupled pixel unit. The present invention can effectively relieve public voltage load.
Description
Technical field
The present invention relates to a kind of display panel, and be particularly related to a kind of display panel that can reduce the load of common electric voltage.
Background technology
At the rapidly progress of multimedia society, benefit from the tremendous progress of semiconductor element or display equipment mostly.With regard to display, (Cathode Ray Tube CRT) because of having excellent display quality and its economy, monopolizes monitor market in recent years to cathode-ray tube (CRT) always.Yet, operate the environment of most terminating machine/display equipments on the table for the individual, or with the incision of the viewpoint of environmental protection, if predicted with the trend of saving the energy, cathode-ray tube (CRT) is because of still existing a lot of problems in space utilization and the energy resource consumption, and can't effectively provide solution for the demand of light, thin, short, little and low consumpting power.Therefore, have that high picture quality, space utilization efficient are good, the Thin Film Transistor-LCD (Thin Film Transistor LiquidCrystal Display is hereinafter to be referred as TFT-LCD) of low consumpting power, advantageous characteristic such as radiationless becomes the main flow in market gradually.
Fig. 1 is the inner structure circuit diagram of the display panel of a kind of TFT-LCD.Please refer to Fig. 1, in general, in the display panel of TFT-LCD, be provided with several sweep traces S1～Sm and data line D1～Dn.Wherein, sweep trace S1～Sm is arranged in parallel each other along first direction, and data line D1～Dn is then parallel each other along second direction, and is staggered with sweep trace, and first direction can be perpendicular to second direction usually.And, all be provided with pixel cell 110, thereby can form pixel unit array in the confluce of each bar sweep trace and data line.In the known pixel cell 110, all comprised transistor 112, its gate terminal couples the sweep trace of correspondence, and source terminal couples the data line of correspondence, and drain electrode end then couples common electric voltage Vcom by pixel element 114.In addition,, also storage capacitors 116 can be set usually, to stablize across voltage at pixel element 114 two ends at the two ends of pixel element 114.
When TFT-LCD wants image output, at first can produce sweep signal and arrive wherein sweep trace, with pixel cells 110 all on this sweep trace of activation.Produce video data then and send into the display panel from data line D1～Dn successively, to drive the pixel cell 110 that is enabled successively.Suppose that sweep signal sends into from sweep trace S3, then sweep trace S3 goes up all pixel cells 110 and can be enabled, and then, if data-signal is sent into from data line D3, then can send in the pixel cell 110 that is arranged on data line D3 and sweep trace S3 confluce.At this moment, data-signal can be from the source terminal conducting of transistor 112 to drain electrode end, and begins storage capacitors 114 chargings, and pixel element 114 can be lighted because of the voltage difference of the drain electrode end of transistor 112 and common electric voltage Vcom.
In TFT-LCD, above-mentioned pel array is formed on the substrate, and common electric voltage Vcom connects the monoblock substrate.When one of them pixel cell 110 in the pel array is driven, the load that common electric voltage Vcom will drive (Loading), it is not single pixel cell 110, but be equivalent to all pixel cells 110 on the entire pixel array, thereby cause the phenomenon of the driving force deficiency of common electric voltage Vcom easily.
Summary of the invention
Therefore, purpose of the present invention just provides a kind of display panel, can reduce the load of common electric voltage, to improve the driving force of common electric voltage.
A further object of the present invention provides a kind of display equipment, can reduce the load of common electric voltage, to improve the driving force of common electric voltage.
Another purpose of the present invention provides a kind of driving method of display panel, can improve the driving force of common electric voltage.
The invention provides a kind of display panel, it is provided with several data lines and sweep trace.Wherein, sweep trace is arranged in parallel with each other along first direction, and data line is then parallel to each other and be crisscross arranged with sweep trace along second direction.Confluce at each sweep trace and this data line be provided with pixel cell, and each sweep trace all is provided with on-off element.What deserves to be mentioned is that each on-off element all can be according to the sweep signal that sweep trace transmitted of correspondence, and the pixel cell whether decision is coupled the common electric voltage conducting to the sweep trace of correspondence.
Wherein, each on-off element comprises a transistor at least.This transistorized gate terminal can couple the sweep trace of correspondence, and its first source/drain electrode end couples common electric voltage, and its second source/drain electrode end then couples the pixel cell on the sweep trace of correspondence.
In an embodiment of the present invention, the first transistor, on-off element, pixel element and storage capacitors have been comprised in the above-mentioned pixel cell.Wherein, the gate terminal of the first transistor couples the wherein sweep trace in the display panel, to receive sweep signal.The source terminal of the first transistor then is the wherein data line that couples in the display panel.In addition, the drain electrode end of the first transistor couples a wherein end of pixel element.What deserves to be mentioned is that in the present invention's display panel, the other end of pixel element then is couple to common electric voltage by the on-off element that sweep trace coupled of correspondence.In addition, storage capacitors then is the two ends that are connected across pixel element.
In another embodiment of the present invention, the pixel cell in the present invention's the display panel has then comprised the first transistor and transistor seconds, and wherein the gate terminal of the first transistor is coupled on the sweep trace wherein in the display panel, to receive sweep signal.The source terminal of the first transistor then couples the data line wherein in the display panel.And the gate terminal of transistor seconds and source terminal then couple with the gate terminal and the drain electrode end of the first transistor respectively each other.The first and second above-mentioned transistors have just constituted well-known double-grid structure.In addition, the present invention has also comprised on-off element, pixel element and storage capacitors, wherein an end of pixel element couples the drain electrode end of transistor seconds, the other end then couples common electric voltage by the on-off element that sweep trace coupled of correspondence, and storage capacitors equally also is the two ends that are connected across pixel element.
In addition, the present invention also provides a kind of display equipment, has comprised control circuit, gate driver circuit, source electrode drive circuit and display panel.Wherein, gate driver circuit and source electrode drive circuit all couple control circuit, and gate driver circuit and source electrode drive circuit are coupled to display panel by multi-strip scanning line and data line respectively, to send sweep signal and video data respectively to display panel.And in display panel, then comprised a plurality of pixel cells and a plurality of on-off element.Wherein, the corresponding respectively confluce that is arranged at each sweep trace and data line of pixel cell.On-off element then is that correspondence is arranged on the sweep trace respectively.And each on-off element all can be according to the sweep signal that sweep trace transmitted of correspondence, and whether decision is with the pixel cell of common electric voltage conducting to the sweep trace of correspondence.
In addition, the present invention also provides a kind of driving method of display panel, and in display panel, has a plurality of pixel cells.Driving method provided by the present invention, as described below.At first need to provide common electric voltage, produce sweep signal then and come activation pixel cell successively, and common electric voltage delivered to the pixel cell that is enabled according to sweep signal.
In sum, in the pixel unit circuit structure of display panel provided by the present invention, owing to be provided with the on-off element of making by transistor, and, just determine the common electric voltage conducting to pixel element according to the sweep signal that each pixel cell received.Therefore, employed driving voltage in the present invention has more relaxed load.In addition, in driving method provided by the present invention,, therefore equally also can reduce the load of common electric voltage, thereby improve the driving force of common electric voltage because common electric voltage only need be supplied with the pixel cell that part is enabled.Owing in the pixel unit circuit structure in the present invention, can use double-grid structure, therefore also can reduce the influence that leakage current brings.
For above and other objects of the present invention, feature and advantage can be become apparent, the present invention's cited below particularly preferred embodiment, and conjunction with figs. are described in detail below.
Description of drawings
Fig. 1 is the inner structure circuit diagram of the display panel of a kind of TFT-LCD.
Fig. 2 is according to circuit block diagram within a kind of display equipment of one of the present invention preferred embodiment.
Fig. 3 is the internal circuit diagram according to a kind of pixel cell of one of the present invention preferred embodiment.
Fig. 4 is the internal circuit diagram according to a kind of pixel cell of another embodiment of the present invention.
Fig. 5 is the flow chart of steps according to the driving method of a kind of display panel of one of the present invention preferred embodiment.
The main element description of symbols
21,112,401,403: transistor
110,212: pixel cell
114,303,405: pixel element
116,305,407: storage capacitors
210: display panel
214: on-off element
232: control circuit
234: gate driver circuit
236: source electrode drive circuit
D1～Dn: data line
D1～Dm: sweep trace
Vcom: common electric voltage
S501, S503, S505: the steps flow chart of the driving method of display panel
Embodiment
Fig. 2 is according to circuit block diagram within a kind of display equipment of one of the present invention embodiment.Please refer to Fig. 2, in display equipment provided by the present invention, comprised display panel 210.And in display panel 210, be provided with sweep trace G1～Gm and data line D1～Dn.Wherein, sweep trace G1～Gm is arranged in parallel with each other along first direction, data line D1～Dn then along second direction parallel to each other and with sweep trace G1～Gm arrangement that intermeshes.In general, first direction is substantially perpendicular to second direction.And, all be provided with for example 212 pixel cell in each sweep trace and data line confluce.In the present invention, on each bar sweep trace for example 214 on-off circuit can be set all.And the sweep signal that each on-off circuit is transmitted on all can the sweep trace according to correspondence, and whether decision is with the pixel cell of common electric voltage Vcom conducting to the sweep trace of correspondence.
The structure of on-off element below only is described with on-off element 214.On-off element used in the present invention can comprise transistor 21 shown in on-off element 214.Wherein, first source of transistor 21/drain electrode end couples common electric voltage Vcom, second source/drain electrode end then couples the pixel cell on the sweep trace (Gm-1) of correspondence, its gate terminal then couples the sweep trace (Gm-1) of correspondence, so that transistor 21 can be according to the sweep signal that is transmitted on the sweep traces (Gm-1) of correspondence, and with the common electric voltage Vcom conducting pixel cell on the sweep trace (Gm-1) of correspondence extremely.
Please continue with reference to Fig. 2, in the present invention, also comprise control circuit 232, gate driver circuit 234 and source electrode drive circuit 236.Wherein control circuit 232 couples gate driver circuit 234 and source electrode drive circuit 236, produces sweep signal with control gate driver circuit 234, and sends into sweep trace G1～Gm successively, with the pixel cell on each bar sweep trace of activation.In addition, control circuit 232 also can be controlled source electrode drive circuit 236 and produce a plurality of video datas, drives the pixel cell that is enabled by data line D1～Dn then.
For asking the narration can be succinct, below be example only with pixel cell 212, the structure of the pixel cell that illustrates in the present invention to be used.
Fig. 3 is the internal circuit diagram according to a kind of pixel cell of one of the present invention embodiment.Please refer to Fig. 3, in pixel cell 212, comprised transistor 301, its gate terminal couples the sweep trace (Gm-1) of correspondence, to be used for receiving the sweep signal that gate driver circuit shown in Figure 2 234 is produced, the source terminal of transistor 301 has then coupled corresponding data line (D1).In addition, the drain electrode end of transistor 301 has then coupled an end of pixel element 303.In addition, at the two ends of pixel element 303, also across storage capacitors 305.As everyone knows, storage capacitors 305 can be divided into the first metal layer/insulation course/second metal level (Metal-Insulator-Metal, be called for short MIM), and two kinds of frameworks of the first metal layer/insulation course/indium tin oxide layer (Metal-Insulator-ITO is called for short MII).
In the present invention, what an end of pixel element 303 coupled is the drain electrode end of transistor 301, and the other end then is that the on-off element (214) that the sweep trace (Gm-1) that passes through to be coupled is coupled is coupled to common electric voltage Vcom.Once mentioned below that whether the conducting of on-off element 214, be decided by the sweep signal that is transmitted on the sweep trace (Gm-1) of correspondence.In other words, when sweep trace (Gm-1) go up to transmit, on-off element 214 was just with the pixel cell of common electric voltage Vcom conducting to the sweep trace Gm-1 as sweep signal.With pixel cell 212 is example, and when on-off element 214 conductings, common electric voltage Vcom just can be switched on to pixel element 203.
Fig. 4 is the internal circuit diagram according to a kind of pixel cell of another embodiment of the present invention.Please refer to Fig. 4, select among the embodiment at another, pixel cell also can utilize double-grid structure to realize.With pixel cell 212 is example, and it has comprised transistor 401 and 403.Wherein, the grid of transistor 401 couples sweep trace Gm-1, and its source terminal then couples data line D1.In addition, the drain electrode end of transistor 403 and gate terminal, source terminal and the gate terminal with transistor 401 couples mutually respectively.And the drain electrode end of transistor 403 then is an end that couples pixel element 405, and pixel element 405 is equivalent to the pixel 303 among Fig. 3.Similarly, in the present embodiment, also comprise storage capacitors 407 in the pixel cell 212, be connected across the two ends of pixel element 405.Same as shown in Figure 3, an end of pixel element 405 couples the drain electrode end of transistor 403, and the other end is coupled to common electric voltage Vcom by on-off element 214 equally.
Because the circuit structure of pixel cell shown in Figure 4 is double gated architecture.Therefore, present embodiment can reduce the influence that leakage current is caused pixel element 405 effectively.
In addition, above-mentioned transistor 401 and 403 can utilize low-temperature polysilicon film transistor to realize.
Fig. 5 is the flow chart of steps according to the driving method of a kind of display panel of one of the present invention preferred embodiment.Please refer to Fig. 5, driving method provided by the present invention goes for display panel for example shown in Figure 2 210.In driving method of the present invention, at first as described in the step S501, common electric voltage Vcom among for example Fig. 2 and Fig. 3 is provided, control circuit 232 shown in Figure 2 then can be as described in the step S503, control sluice and driving circuit 234 produce sweep signal, and send into successively and come its pixel cell that is coupled of activation in each sweep trace.With Fig. 2 is example, supposes that sweep signal is sent to sweep trace Gm-1, and then last all the set pixel cells of sweep trace Gm-1 all can be enabled.And in the present invention, owing to all be provided with on-off circuit (for example shown in Fig. 2) on each bar sweep trace, therefore will be as described in the step S505, when pixel cell was enabled, common electric voltage will be sent into the pixel cell that is enabled simultaneously according to sweep signal.
In addition, the present invention in common electric voltage is sent to the pixel cell that is enabled after, can be for example the control circuit 232 of Fig. 2 can produce a plurality of video datas by the control source electrode drive circuits, and respectively it is delivered in the data line pixel cell that is enabled with driving.
In sum, because in the present invention, common electric voltage is admitted to according to sweep signal in the corresponding pixel cell.That is to say that common electric voltage once only drives a pixel cell on the sweep trace.Therefore, the load of the common electric voltage among the present invention is equivalent to have only a sweep trace.Therefore, the present invention can alleviate the load of common electric voltage effectively, and and then has improved the driving force of common electric voltage.
Though the present invention discloses as above with preferred embodiment; right its is not in order to limit the present invention; any person of ordinary skill in the field; without departing from the spirit and scope of the present invention; when can doing a little change and improvement, so protection scope of the present invention is as the criterion when looking the claim person of defining.
Claims (8)
1. display panel is characterized in that comprising:
The multi-strip scanning line is along the first direction setting that is arranged in parallel with each other;
Many data lines, parallel to each other and be crisscross arranged along second direction with above-mentioned sweep trace;
A plurality of pixel cells are arranged at each above-mentioned sweep trace and each above-mentioned data line confluce; And
A plurality of on-off elements, corresponding respectively above-mentioned sweep trace and being provided with, and each above-mentioned on-off element is the sweep signal that sweep trace transmitted according to correspondence, and whether decision is with the common electric voltage conducting above-mentioned pixel cell on the sweep trace of correspondence extremely; Wherein, each above-mentioned on-off element is a transistor, and its gate terminal couples the sweep trace of correspondence, and its first source/drain electrode end couples this common electric voltage, and its second source/drain electrode end then couples the above-mentioned pixel cell on the sweep trace of correspondence.
2. display panel according to claim 1 is characterized in that each above-mentioned pixel cell comprises:
Transistor, its gate terminal couple in the above-mentioned sweep trace, and in order to receive sweep signal, the source terminal of this transistor then couples in the above-mentioned data line;
Pixel element, an end couples the drain electrode end of this transistor, and the other end then is coupled to this common electric voltage by the on-off element that sweep trace coupled of correspondence; And
Storage capacitors is connected across the two ends of this pixel element.
3. display panel according to claim 1 is characterized in that each above-mentioned pixel cell comprises:
The first transistor, its gate terminal couple in the above-mentioned sweep trace, and in order to receive this sweep signal, the source terminal of this first transistor then couples in the above-mentioned data line;
Transistor seconds, its gate terminal and source terminal couple each other with the gate terminal and the drain electrode end of this first transistor respectively;
Pixel element, an end couples the drain electrode end of this transistor seconds, and the other end then is coupled to this common electric voltage by the on-off element that sweep trace coupled of correspondence; And
Storage capacitors is connected across the two ends of this pixel element.
4. display equipment is characterized in that comprising:
Control circuit;
Gate driver circuit couples this control circuit, and sends a plurality of sweep signals by the multi-strip scanning line;
Source electrode drive circuit couples this control circuit, and sends a plurality of video datas by many data lines; And
Display panel is coupled to this gate driver circuit by above-mentioned sweep trace, and is coupled to this source electrode drive circuit by above-mentioned data line, and this display panel comprises:
A plurality of pixel cells, correspondence is arranged at the confluce of each above-mentioned sweep trace and each above-mentioned data line respectively; And
A plurality of on-off elements, corresponding respectively above-mentioned sweep trace and being provided with, and each above-mentioned on-off element is the sweep signal that sweep trace transmitted according to correspondence, and whether decision is with the common electric voltage conducting above-mentioned pixel cell on the sweep trace of correspondence extremely; Wherein, each above-mentioned switch is a transistor, and its gate terminal couples the sweep trace of correspondence, and its first source/drain electrode end couples this common electric voltage, and its second source/drain electrode end then couples the above-mentioned pixel cell on the sweep trace of correspondence.
5. display equipment according to claim 4 is characterized in that each above-mentioned pixel cell all comprises thin film transistor (TFT).
6. display equipment according to claim 4 is characterized in that each above-mentioned pixel cell all comprises low-temperature polysilicon film transistor.
7. the driving method of a display panel it is characterized in that this display panel has a plurality of pixel cells, and this driving method comprises the following steps:
Common electric voltage is provided;
Produce sweep signal and come the above-mentioned pixel cell of activation successively; And
According to this sweep signal this common electric voltage delivered to and to state pixel cell on being enabled; Wherein, one on-off circuit is set on each sweep trace, wherein comprises transistor as on-off element, its gate terminal couples the sweep trace of correspondence, its first source/drain electrode end couples this common electric voltage, and its second source/drain electrode end then couples the above-mentioned pixel cell on the sweep trace of correspondence.
8. the driving method of display panel according to claim 7 is characterized in that also comprising producing a plurality of video datas, and correspondence is delivered to and stated pixel cell on being enabled respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2005100807134A CN100416646C (en) | 2005-07-05 | 2005-07-05 | Pixel unit circuit structure of displaying board and driving method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2005100807134A CN100416646C (en) | 2005-07-05 | 2005-07-05 | Pixel unit circuit structure of displaying board and driving method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1892778A CN1892778A (en) | 2007-01-10 |
| CN100416646C true CN100416646C (en) | 2008-09-03 |
Family
ID=37597594
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2005100807134A Expired - Fee Related CN100416646C (en) | 2005-07-05 | 2005-07-05 | Pixel unit circuit structure of displaying board and driving method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN100416646C (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103137054B (en) * | 2011-11-30 | 2015-09-23 | 上海中航光电子有限公司 | Bigrid pixels across inversion driving method |
| CN105374334B (en) | 2015-12-11 | 2018-06-01 | 武汉华星光电技术有限公司 | Structure of liquid crystal display panel |
| CN105629609A (en) * | 2016-02-18 | 2016-06-01 | 深圳市华星光电技术有限公司 | Array substrate, liquid crystal display device and driving method of liquid crystal display device |
| TWI699748B (en) * | 2019-01-31 | 2020-07-21 | 友達光電股份有限公司 | Display apparatus |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005157157A (en) * | 2003-11-28 | 2005-06-16 | Toppoly Optoelectronics Corp | Residual video removing electric circuit |
| CN1637488A (en) * | 2003-12-23 | 2005-07-13 | Lg.菲利浦Lcd株式会社 | Liquid crystal display device and driving method thereof |
| CN1674081A (en) * | 2004-03-23 | 2005-09-28 | 株式会社日立显示器 | Liquid crystal display device |
-
2005
- 2005-07-05 CN CNB2005100807134A patent/CN100416646C/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005157157A (en) * | 2003-11-28 | 2005-06-16 | Toppoly Optoelectronics Corp | Residual video removing electric circuit |
| CN1637488A (en) * | 2003-12-23 | 2005-07-13 | Lg.菲利浦Lcd株式会社 | Liquid crystal display device and driving method thereof |
| CN1674081A (en) * | 2004-03-23 | 2005-09-28 | 株式会社日立显示器 | Liquid crystal display device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1892778A (en) | 2007-01-10 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US8427596B2 (en) | TFT-LCD array substrate and driving method thereof | |
| CN100498921C (en) | Driving method | |
| CN107705762A (en) | Shift register cell and its driving method, gate drive apparatus and display device | |
| US20180261180A1 (en) | Display panel, driving method thereof and display device | |
| US6933917B2 (en) | Method and circuit for LCD panel flicker reduction | |
| US11183102B2 (en) | Sub-pixel unit, display panel, and display apparatus and drive method therefor | |
| CN101329843B (en) | Liquid crystal display device and driving method thereof | |
| CN107450225B (en) | Display panel and display device | |
| CN203982749U (en) | Image element circuit and display device | |
| CN100416646C (en) | Pixel unit circuit structure of displaying board and driving method | |
| CN1987571A (en) | Display units, display panel, display devices, electronic devices and repair methods | |
| CN109584840B (en) | Driving method and device of display panel | |
| CN100388071C (en) | Driving method of liquid crystal display panel | |
| CN101295462A (en) | Electronic system having display panel | |
| CN203932065U (en) | Image element circuit and display unit | |
| CN111429831B (en) | Tiled display device | |
| US7505021B2 (en) | Capacitive load driving circuit and display panel driving circuit | |
| US11942035B2 (en) | Display panel, method for driving display panel, and display device | |
| CN203950535U (en) | Image element circuit and display device | |
| CN113568232B (en) | Pixel unit, array substrate, driving method, liquid crystal panel and liquid crystal display screen | |
| CN101359443A (en) | Display drive circuit of panel display and drive method of gate control lines | |
| US20210012740A1 (en) | Driving method and driving device of display panel, and display apparatus | |
| CN101285978B (en) | Pixel circuit, display panel and its drive method | |
| CN103093719A (en) | Drive circuit, drive method and display panel | |
| CN100403389C (en) | Latch, latch drive method, and flat display device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20080903 Termination date: 20130705 |