CN108806624A - Show equipment and its driving circuit - Google Patents

Show equipment and its driving circuit Download PDF

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Publication number
CN108806624A
CN108806624A CN201810385349.XA CN201810385349A CN108806624A CN 108806624 A CN108806624 A CN 108806624A CN 201810385349 A CN201810385349 A CN 201810385349A CN 108806624 A CN108806624 A CN 108806624A
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China
Prior art keywords
driving
enable
circuit
those
driving units
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Granted
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CN201810385349.XA
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Chinese (zh)
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CN108806624B (en
Inventor
廖敏男
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Sitronix Technology Corp
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Sitronix Technology Corp
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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
    • G09G3/3685Details of drivers for data electrodes

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • Computer Hardware Design (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Control Of Indicators Other Than Cathode Ray Tubes (AREA)

Abstract

A kind of display equipment of present invention offer and its driving circuit, show that equipment includes a display panel and one drive circuit, driving circuit includes a source electrode drive circuit and an enable circuit, source electrode drive circuit is equipped with multiple driving units, those driving units couple the display panel and export a driving signal respectively to the display panel;The enable circuit couples those driving units and distinguishes an at least driving unit for enable those driving units in different time and export the driving signal.

Description

Show equipment and its driving circuit
Technical field
The invention relates to a kind of display equipment, especially a kind of display equipment reducing electromagnetic interference and its driving Circuit.
Background technology
Liquid crystal display (Liquid Crystal Display, LCD) device have external form is frivolous, small, Low emissivity and The advantages that low power consuming, therefore liquid crystal display has gradually replaced traditional CRT Displays (Cathode Ray Tube Display) device, and it is widely used in various electronic products.Liquid crystal display generally can include gate drive circuit With source electrode drive circuit and display panel, gate drive circuit is used to scan multiple row gate lines of display panel, works as gate line When being scanned by gate drive circuit, all pixels structure online positioned at gate can all be opened, at this time source electrode drive circuit Multiple driving units can be simultaneously to all pixels structure transmission driving signal positioned at scanned gate line, and is filled to dot structure Electricity drives dot structure, to show picture.So it is found that a few driving units of source electrode drive circuit are swept to being located at Retouch gate line all pixels structure transmission driving signal when, source electrode drive circuit extract larger current, so i.e. can cause compared with Big electromagnetic interference (Electro Magnetic Interference, EMI).Many solutions for reducing electromagnetic interference are proposed now Scheme, for example, State Intellectual Property Office of the People's Republic of China Authorization Notice No. CN101256753B, Taiwan Patent notification number I336463 and U.S.Patent & Trademark Office patent No. US6,937,233B2, however these solutions are not directed to a source electrode Electromagnetic interference caused by the running of multiple driving units in driving circuit is improved.
In view of the above problems, a kind of display equipment of present invention offer and its driving circuit, to improve a source drive electricity Electromagnetic interference caused by the running of multiple driving units in road.
Invention content
The purpose of the present invention is to provide a kind of display equipment and its driving circuit, reduces the more of source electrode drive circuit Electromagnetic interference caused by when a driving unit running.
The present invention discloses a kind of display equipment, and it includes a display panel, a source electrode drive circuit and an enable circuit, sources Pole driving circuit is equipped with multiple driving units, those driving units couple the display panel and one driving signal of output extremely should respectively Display panel.The enable circuit couples those driving units, and at least the one of different time difference enable those driving units Driving unit and export the driving signal.
The present invention discloses a kind of driving circuit of display equipment, and it includes a source electrode drive circuit and an enable circuits.Source Pole driving circuit is equipped with multiple driving units, those driving units couple the display panel and one driving signal of output extremely should respectively Display panel.The enable circuit couples those driving units, and at least the one of different time difference enable those driving units Driving unit and export the driving signal.
Description of the drawings
Fig. 1:It is the schematic diagram of the first embodiment of the display equipment of the present invention;
Fig. 2:It is the schematic diagram of the second embodiment of the display equipment of the present invention;
Fig. 3:It is the schematic diagram of an embodiment of the driving circuit of the present invention;
Fig. 4 A:It is the oscillogram of the first embodiment of the driving signal of the source electrode drive circuit of the present invention;And Fig. 4 B:It is this The oscillogram of the second embodiment of the driving signal of the source electrode drive circuit of invention.
【Figure number is to as directed】
10 display panels
12 gate lines
14 source electrode lines
20 gate drive circuits
30 source electrode drive circuits
32 driving units
34, DAC D/A conversion circuits
40 enable circuits
41 delay circuits
42 delay circuits
50 power circuits
321 driving units
322 driving units
323 driving units
324 driving units
325 driving units
326 driving units
327 driving units
328 driving units
DATA input pixel datas
DLY delay circuits
G0 gate signals
G1 gate signals
Gn gate signals
S0 source electrode signals
S1 source electrode signals
S2 source electrode signals
S3 source electrode signals
S4 source electrode signals
S5 source electrode signals
S6 source electrode signals
S7 source electrode signals
During TS1 enables
During TS2 stops enable
VP supplies power supply
Specific implementation mode
In order to make the present invention structure feature and it is reached the effect of have a better understanding and awareness, spy with preferably Embodiment and cooperation detailed description, are described as follows:
Some vocabulary has been used to censure specific component in specification and subsequent claim, it is so, affiliated Has usually intellectual in technical field, it is to be appreciated that manufacturer may call same group with different nouns Part, moreover, in a manner of this specification and subsequent claim be not using the difference of title as differentiation component, but with Difference of the component in overall technology is as the criterion distinguished.It is carried in specification and subsequent claim in the whole text And "comprising" be an open language, therefore should be construed to " including but not limited to ".Furthermore " coupling " word includes to appoint herein What direct and indirect connection means.Therefore, if it is described herein that a first device couples a second device, then first dress is represented The second device can be directly connected to by setting, or other permeable devices or other connection means are coupled indirectly to the second device.
To make your juror have a better understanding and awareness the feature of the present invention and the effect of being reached, careful assistant Illustrated with embodiment, is illustrated as after:
Referring to Fig. 1, its schematic diagram for the first embodiment of the display equipment of the present invention.As shown, display equipment Including a display panel 10, multiple gate lines 12 and the multiple source electrode lines 14 of display panel 10 are staggered to form multiple pixels, and are somebody's turn to do Can include a thin film transistor (TFT), a liquid crystal capacitance and a storage capacitors in a little pixels.The gate drive circuit of display panel 10 20 couple those gate lines 12, and export multiple gate signal G0, G1~Gn to those gate lines 12 and scan display panel 10.Those source electrode lines 14 of the coupling of source electrode drive circuit 30 of display panel 10, and the multiple driving signals of output (or interrogated for source electrode Number) S0, S1, S2, S3, S4, S5, S6, S7 drive display panel 10 to those source electrode lines 14.Furthermore show that equipment includes one Power circuit 50 generates a supply power supply VP to source electrode drive circuit 30, however, power circuit 50 can also be used as simultaneously The power supply of gate drive circuit 20;Alternatively, display equipment can supply source electrode drive circuit 30/ lock equipped with multiple power circuits Power supply needed for pole driving circuit 20, the present invention is not limited thereto.
Again refering to fig. 1, show that the driving circuit of equipment can be in addition to comprising aforementioned gate drive circuit 20, source drive electricity Road 30 and power circuit 50, also include an enable circuit 40, and enable circuit 40 couples source electrode drive circuit 30 and controls source electrode drive Dynamic circuit 30 exports those drivings signal S0~S7, and enable circuit 40 includes multiple delay circuit DLY, and 40 energy of enable circuit It is enough to generate or receive an enable signal Enable.Those delay circuits DLY can receive and postpone enable signal Enable, So enable signal Enable received according to the delay time delay respectively set those delay circuits DLY, wherein Those delay circuits DLY can have identical or different delay time.Source electrode drive circuit 30 can include that (being equipped with) is multiple Driving unit 32 and multiple D/A conversion circuits (Digital to Analog Converter, DAC) 34, those drivings The enable end of unit 32 is respectively coupled to cause enable circuit 40 to receive enable signal Enable, and is controlled by the enable not being delayed by Signal Enable and it is controlled by and is delayed by the enable signal Enable that circuit DLY lags.
In other words, it is respective to distinguish (timesharing) output because of enable (control) of enable circuit 40 for those driving units 32 The source electrode line 14 that driving signal S0~S7 is extremely coupled.Such as:The enable signal Enable control source drive electricity not being delayed by 30 output driving signal S0 of road and driving signal S4, and via control source electrode drive circuit 30 after the DLY delays of those delay circuits Output driving signal S1 and driving signal S5, in this way, in a delay time after source electrode drive circuit 30 output driving signal S0, S4 Output driving signal S1, S5 again afterwards.Those D/A conversion circuits 34 are respectively coupled to those driving units 32 and receive respectively One input pixel data DATA, and a pixel signal is exported respectively to those driving units 32, so, enable circuit 40 is according to cause Can signal Enable timesharing enable those driving units 32, so, those 32 timesharing of driving unit according to those pixel signals and Export those driving signals S0~S7, wherein enable signal Enable can be by the sequence controller (Timing of display equipment Controller, Tcon) or other control circuits produced by, or can be generated by the enable circuit 40.
Furthermore source electrode drive circuit 30 according to the supply power supply VP that power circuit 50 exports export those drivings signal S0~ S7, so, when those 32 timesharing of driving unit of source electrode drive circuit 30 export those drivings signal S0~S7, those drives Moving cell 32 is that timesharing completes to export those runnings for driving signal S0~S7 using supply power supply VP, in this way, power circuit 50 only needed to supply the power supply needed for the part driving unit 32 of those driving units 32 at same time point, and need not be in same a period of time Between the whole power supply needed for those driving units 32 of point supply.In other words, enable circuit 40 in different time difference enable those Driving unit 32 exports those drivings signal S0~S7, and the peak point current (Peak Current) for supplying power supply VP is caused to exist It is greatly reduced in unit interval (such as 1 second).Therefore, the present invention can reduce (those driving units of source electrode drive circuit 30 32) caused electromagnetic interference when operating.In addition, based on Fig. 1 embodiments, enable circuit 40 is in addition to being set to source drive electricity Outside road 30, it can also be set in source electrode drive circuit 30, and those driving units 32 are in addition to being set to source electrode drive circuit 30 It is interior, it can also be set to outside source electrode drive circuit 30.
Referring to Fig. 2, its schematic diagram for the second embodiment of the display equipment of the present invention.As shown, enable circuit 40 include multiple delay circuit DLY, and driving unit 321 is direct coupling (reception) enable signal Enable with driving unit 325, And without delay circuit DLY coupling enable signals Enable.One first delay circuit 41 coupling (reception) of enable circuit 40 Enable signal Enable and those driving units 322,326, the first delay circuit 41 export enable after one first delay time Signal Enable is to those driving units 322,326.One second delay circuit 42 of enable circuit 40 couples the first delay circuit 41 receive the enable signal Enable of the first delay circuit 41 output with those driving units 323,327, the second delay circuit 42, Second delay circuit 42 exported after one second delay time received enable signal Enable to those driving units 323, 327.So Fig. 1 embodiments and the difference of Fig. 2 embodiments are that the delay circuit DLY of Fig. 1 exports enable signal Enable respectively To single driving unit 32, and the delay circuit DLY of Fig. 2 exports enable signal Enable to multiple driving units 32 respectively, changes Yan Zhi, the first delay circuit 41 can couple an at least driving unit 322 for those driving units 32, and can prolong in first Output enable signal Enable couples an at least driving unit 322 to it after the slow time;And the second delay circuit 42 can be with coupling An at least driving unit 323 for those driving units 32 is connect, and enable signal Enable can be exported after the second delay time An at least driving unit 323 is coupled to it.
It is worth noting that, in the first figure embodiment and the second figure embodiment, those deferred telegrams of enable circuit 40 Road DLY (such as the first delay circuit 41 and second delay circuit 42) can be concatenated mutually so that rear class delay circuit DLY (the Two delay circuits 42) the enable signal Enable for postponing to postpone through prime delay circuit DLY (the first delay circuit 41) is can be used to, So that the enable signal Enable exported per level-one delay circuit DLY has different delay times (phase).However this Invention is not limited thereto, and in section Example of the present invention, has the different delays time through in the setting of enable circuit 40 Several delay circuit DLY, those delay circuits DLY need not mutually concatenate also exportable with different delay times (phase) Enable signal Enable.
Furthermore the driving unit 32 in embodiment can be an operational amplifier, and may include a differential portion and an output Portion, so, enable signal Enable, can also only enable other than the entire driving unit of the enable that above-described embodiment is right 32 The output section of driving unit 32, wherein differential portion can include the smaller circuit of operating currents such as differential circuit, and output section can be with The larger circuit of the electricity workflow such as packet gain stage or output stage, in other words, enable signal Enable can only control output section institute With the larger circuit of operating current, and control output section output driving signal, can equally reach reduction supply power supply VP Peak point current (Peak Current) effect.In addition, the present invention is not limited thereto, the Enable control drivings of enable signal are single Member 32 whether the method for output driving signal, for example, enable signal Enable can control 32 integrated circuit of driving unit Switch start, can be connected or block driving signal generation path, can also be connected or block the power supply of driving unit 32 Path decides whether output driving signal.
It is multiple referring to Fig.2, those driving units 32 are segmented into multiple driving groups, each driving group may include two with On several driving lists source, such as:Those driving units 321~324 are the first driving group, those driving units 325~328 For the second driving group.So the first delay circuit 41 of enable circuit 40 can couple each driving group (the first driving group Group drives group with second) an at least driving unit 322,326, and enable signal can be exported after the first delay time An at least driving unit 322,326 for each driving group that Enable is coupled to the first delay circuit 41, and enable first An at least driving unit 322,326 for each driving group that delay circuit 41 is coupled.Moreover, the second delay circuit 42 can be with At least driving unit 323,327 for coupling each driving group, receives the enable signal that the first delay circuit 41 is exported Enable, and received 42 couplings of the delay circuits of enable signal Enable to second can be exported after one second delay time An at least driving unit 323,327 for each driving group connect, and each driving that the second delay circuit of enable 42 is coupled An at least driving unit 323,327 for group.
Referring to Fig. 3, its schematic diagram for an embodiment of the driving circuit of the present invention.As shown, more through being arranged A power circuit 50, those power circuits 50 provide supply power supply VP to those driving units 32 respectively, so, implement in Fig. 3 On the basis of example, Fig. 1 can be changed to include those power circuits 50, institute with Fig. 2 embodiments from comprising single power supply circuit 50 With, those D/A conversion circuits 34 can also provide supply power supply VP by different power circuits 50 respectively, furthermore, those D/A conversion circuit 34 and those driving units 32 can be provided by identical power circuit 50 supply power supply VP or by Different power circuits 50 provides supply power supply VP.Furthermore the equivalent circuit of Fig. 1 and Fig. 2 display panels 10 can be as in Fig. 3 Circuit 11.
Fig. 4 A are please referred to, for the oscillogram of the first embodiment of the driving signal of the source electrode drive circuit of the present invention.Such as Shown in figure, TS1 starts from gate signal G0 and starts to scan gate line 12 during an enable, and TS1 can be set as lock during enable Any period between 1/10 period of the scan period of pole signal G0,2/10 period or 1/10 to 2/10, so, enable circuit 40 Can within 1/10 period before the scan period driving unit 32 of enable whole and export those drivings signal S0~S7.It is multiple Enable circuit 40 refering to Fig. 2 and Fig. 4 A, Fig. 2 is while two driving units of enable 321,325 and timesharing output driving signal S0, S4, only, enable circuit 40 the driving unit 32 of same time institute enable quantity need to consider display panel characteristic, Show the quality of picture, the output power of frequency of displaying frames and power circuit 50, such as:When the relatively low (example of frequency of displaying frames Such as:1Hz) and when display panel 10 lower for resolution ratio it can distinguish enable in different time in the embodiment using Fig. 4 A The driving unit 32 of negligible amounts, conversely, frequency of displaying frames it is higher and for resolution ratio higher display panel 10 when, then may be used In a fairly large number of a driving unit of different time difference enable 32.
It is multiple to stop scanning gate line 12 after being changed into low level from high levle refering to Fig. 2 and Fig. 4 A, gate signal G0, and cause Can circuit 40 be simultaneously stopped enable those driving units 321~324, so, those driving non-timesharing of signal S0, S1, S2, S3 It is changed into low level, but synchronizes and be changed into low level.However, those drivings of those driving units 32 output signal S0, S1, After after S2, S3 to the display panel, enable circuit 40 can be as shown in the embodiment of Fig. 4 B, TS2 points during one stops enable When stop enable those driving units 321~324, and control those driving signal S0, S1, S2, S3 timesharing and be changed into low standard Position, in this way, Fig. 4 B embodiments are applied to have preliminary filling driving (Pre-driver) mechanism and gradeization (Equalize) driving mechanism Driving circuit when can also reduce electromagnetic interference.
In summary, the present invention discloses a kind of display equipment, and it includes a display panel, a source electrode drive circuits and consistent Energy circuit, source electrode drive circuit are equipped with multiple driving units, those driving units couple the display panel and respectively one drive of output Signal is moved to the display panel.The enable circuit couples those driving units, and those drivings are single in the enable of different time difference Member an at least driving unit and export the driving signal.
The present invention discloses a kind of driving circuit of display equipment, and it includes a source electrode drive circuit and an enable circuits.Source Pole driving circuit is equipped with multiple driving units, those driving units couple the display panel and one driving signal of output extremely should respectively Display panel.The enable circuit couples those driving units, and at least the one of different time difference enable those driving units Driving unit and export the driving signal.
Above is only presently preferred embodiments of the present invention, are not used for limiting the scope of implementation of the present invention, Fan Yibenfa The equivalent changes and modifications carried out by shape, construction, feature and spirit described in bright right, should all be included in the present invention Right in.

Claims (20)

1. a kind of display equipment, which is characterized in that it includes:
One display panel;
One source electrode drive circuit, is equipped with multiple driving units, those driving units couple the display panel and respectively one drive of output Signal is moved to the display panel;And
One enable circuit couples those driving units, and at least one driving of those driving units of different time difference enable Unit and export the driving signal.
2. display equipment as described in claim 1, which is characterized in that wherein, which includes:
One first delay circuit receives an enable signal and couples an at least driving unit for those driving units, in one first At least driving unit that the enable signal to first delay circuit is coupled is exported after delay time;And
One second delay circuit couples an at least driving unit of first delay circuit and those driving units, this second prolongs Slow circuit receives the enable signal of first delay circuit output, and the enable received is exported after one second delay time At least driving unit that signal to second delay circuit is coupled.
3. display equipment as described in claim 1, which is characterized in that wherein, those driving units are divided into multiple driving groups, The enable circuit includes:
One first delay circuit receives an enable signal and couples an at least driving unit for each driving group, Yu Yi At least one drive for each driving group that the enable signal to first delay circuit is coupled is exported after one delay time Moving cell, and an at least driving unit for each driving group that enable first delay circuit is coupled;And
One second delay circuit couples an at least driving unit of first delay circuit and each driving group, and receiving should The enable signal that first delay circuit is exported, exported after one second delay time the enable signal that is received to this An at least driving unit for each driving group that two delay circuits are coupled, and enable second delay circuit is coupled This it is each driving group an at least driving unit.
4. display equipment as described in claim 1, which is characterized in that wherein, which exports in those driving units After those driving signals to the display panel, the enable circuit in different time stop respectively enable those driving units this extremely A few driving unit.
5. display equipment as described in claim 1, which is characterized in that it includes:
Multiple D/A conversion circuits are respectively coupled to those driving units, and receive an input pixel data respectively and difference A pixel signal is exported to those driving units.
6. display equipment as described in claim 1, which is characterized in that it includes:
One gate drive circuit exports multiple gate signals and scans multiple gate lines of the display panel respectively, enable electricity Those driving units of timesharing enable during Lu Yuyi enables.
7. display equipment as claimed in claim 6, which is characterized in that wherein, started from during the enable start to scan this it is each Gate line, and be 1/10 to 2/10 period of the scan cycle of the gate signal during the enable.
8. display equipment as described in claim 1, which is characterized in that it includes:
One gate drive circuit exports multiple gate signals and scans multiple gate lines of the display panel respectively, every in scanning After one gate line, which stops an at least driving unit for those driving units of enable in different time respectively.
9. display equipment as described in claim 1, which is characterized in that it includes:
One power circuit couples those driving units, and generates a supply power supply and be provided to those driving units.
10. display equipment as described in claim 1, which is characterized in that it includes:
Multiple power circuits couple those driving units, and generate multiple supply power supplys and be provided to those driving units.
11. a kind of driving circuit of display equipment, which is characterized in that it includes:
One source electrode drive circuit, is equipped with multiple driving units, those driving units couple a display panel and respectively one drive of output Signal is moved to the display panel;And
One enable circuit couples those driving units, and at least one driving of those driving units of different time difference enable Unit and export the driving signal.
12. driving circuit as claimed in claim 11, which is characterized in that wherein, which includes:
One first delay circuit receives an enable signal and couples an at least driving unit for those driving units, in one first At least driving unit that the enable signal to first delay circuit is coupled is exported after delay time;And
One second delay circuit couples an at least driving unit of first delay circuit and those driving units, this second prolongs Slow circuit receives the enable signal of first delay circuit output, and the enable received is exported after one second delay time At least driving unit that signal to second delay circuit is coupled.
13. driving circuit as claimed in claim 11, which is characterized in that wherein, those driving units are divided into multiple driving groups Group, the enable circuit include:
One first delay circuit receives an enable signal and couples an at least driving unit for each driving group, Yu Yi At least one drive for each driving group that the enable signal to first delay circuit is coupled is exported after one delay time Moving cell, and an at least driving unit for each driving group that enable first delay circuit is coupled;And
One second delay circuit couples an at least driving unit of first delay circuit and each driving group, and receiving should The enable signal that first delay circuit is exported, exported after one second delay time the enable signal that is received to this An at least driving unit for each driving group that two delay circuits are coupled, and enable second delay circuit is coupled This it is each driving group an at least driving unit.
14. driving circuit as claimed in claim 11, which is characterized in that wherein, the enable circuit is defeated in those driving units After going out those driving signals to the display panel, which stops being somebody's turn to do for those driving units of enable respectively in different time An at least driving unit.
15. driving circuit as claimed in claim 11, which is characterized in that it includes:
Multiple D/A conversion circuits are respectively coupled to those driving units, and receive an input pixel data respectively and difference A pixel signal is exported to those driving units.
16. driving circuit as claimed in claim 11, which is characterized in that it includes:
One gate drive circuit exports multiple gate signals and scans multiple gate lines of the display panel respectively, enable electricity Those driving units of timesharing enable during Lu Yuyi enables.
17. driving circuit as claimed in claim 16, which is characterized in that wherein, started from during the enable and start to scan this often One gate line, and be 1/10 to 2/10 period of the scan cycle of the gate signal during the enable.
18. driving circuit as claimed in claim 11, which is characterized in that it includes:
One gate drive circuit exports multiple gate signals and scans multiple gate lines of the display panel respectively, every in scanning After one gate line, which stops an at least driving unit for those driving units of enable in different time respectively.
19. driving circuit as claimed in claim 11, which is characterized in that it includes:
One power circuit couples those driving units, and generates a supply power supply and be provided to those driving units.
20. driving circuit as claimed in claim 11, which is characterized in that it includes:
Multiple power circuits couple those driving units, and generate multiple supply power supplys and be provided to those driving units.
CN201810385349.XA 2017-04-26 2018-04-26 Display device and driving circuit thereof Active CN108806624B (en)

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US201762490169P 2017-04-26 2017-04-26
US62/490,169 2017-04-26

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CN108806624B (en) 2021-08-06
TW201839748A (en) 2018-11-01

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