CN106847216B - Display device and display driving method - Google Patents
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- CN106847216B CN106847216B CN201710122096.2A CN201710122096A CN106847216B CN 106847216 B CN106847216 B CN 106847216B CN 201710122096 A CN201710122096 A CN 201710122096A CN 106847216 B CN106847216 B CN 106847216B
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- 238000000034 method Methods 0.000 title claims abstract description 22
- 239000010409 thin film Substances 0.000 claims description 18
- 230000000694 effects Effects 0.000 claims description 3
- 239000004973 liquid crystal related substance Substances 0.000 abstract description 7
- 238000005516 engineering process Methods 0.000 abstract description 2
- 230000006870 function Effects 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 230000009471 action Effects 0.000 description 3
- 230000000007 visual effect Effects 0.000 description 3
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000002146 bilateral effect Effects 0.000 description 1
- 239000003990 capacitor Substances 0.000 description 1
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G3/00—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
- G09G3/20—Control 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
- G09G3/34—Control 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
- G09G3/36—Control 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
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G3/00—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
- G09G3/20—Control 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
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- Crystallography & Structural Chemistry (AREA)
- Control Of Indicators Other Than Cathode Ray Tubes (AREA)
Abstract
The invention relates to the liquid crystal display technology, and discloses a display device and a display driving method, wherein the display device comprises: the display panel comprises a plurality of first gate lines, a plurality of second gate lines and a plurality of source lines, wherein the first gate lines and the second gate lines are correspondingly arranged and are insulated and isolated from each other; the first gate driving module is used for providing a first gate driving signal for the first gate line; and a second gate driving module for providing a second gate driving signal to the second gate line, wherein the first gate driving module is turned on in both a first mode and a second mode, and the second gate driving module is turned on in the first mode and is not turned on in the second mode. The display device can reduce the size of the integrated gate drive circuit unit device, reduce the frame of the display device, reduce the power consumption of the integrated gate drive circuit and prolong the endurance time, thereby improving the user experience.
Description
Technical Field
Embodiments of the present invention relate to a liquid crystal display technology, and more particularly, to a display device and a display driving method.
Background
For better visual experience and longer endurance, liquid crystal display devices have more demands on narrow bezel and low power consumption. At present, the grid load of a large-size display panel is large, and the integrated grid drive circuit is mostly adopted for double-side charging.
However, in the liquid crystal display device in the prior art, the unit device of the integrated gate driving circuit is large, and the frame of the liquid crystal display device must meet the size requirement of the integrated gate driving circuit, so that a narrow frame cannot be designed for the liquid crystal display device. In addition, the power consumption of the integrated gate drive circuit in a bilateral opposite charging mode is also large, and the extension of the endurance time is not facilitated. These all affect the user experience.
Disclosure of Invention
In view of this, the embodiments of the present invention are directed to reducing the size of the integrated gate driving circuit unit device, reducing the frame of the display device, reducing the power consumption of the integrated gate driving circuit, prolonging the endurance time, and improving the user experience.
According to a first aspect of the present invention, there is provided a display device comprising: the display panel comprises a plurality of first gate lines, a plurality of second gate lines and a plurality of source lines, wherein the first gate lines and the second gate lines are correspondingly arranged and are insulated and isolated from each other; the first gate driving module is used for providing a first gate driving signal for the first gate line; the second gate driving module is used for providing a second gate driving signal for the second gate line; and a source driving module for providing a source driving signal to the source line, wherein the first gate driving module and the source driving module are both turned on in a first mode and a second mode, the second gate driving module is turned on in the first mode, and is not turned on in the second mode.
Preferably, the parameters of the thin film transistor and/or the capacitance in the first gate driving module are set according to the load of the first gate line; and the parameters of the thin film transistor and/or the capacitance in the second gate driving module are set according to the load of the second gate line.
Preferably, the parameters of the thin film transistors and/or the capacitance parameters in the first gate driving module and the second gate driving module are set according to the waveform of the first gate driving signal at the end of the first gate line close to the second gate line and the waveform of the second gate driving signal at the end of the second gate line close to the first gate line.
Preferably, the first gate line and the second gate line are equal in length.
Preferably, the first gate line and the second gate line are not equal in length.
Preferably, the length of the first gate line is three times the length of the second gate line.
Preferably, the display panel includes an LCD display panel, an LED display panel, and an OLED display panel.
According to a second aspect of the present invention, there is provided a display driving method applied to the display device provided according to the first aspect of the present invention, comprising: providing the first gate driving signal to the first gate line by using the first gate driving module, and providing the second gate driving signal to the second gate line by using the second gate driving module; and providing a source driving signal to the source line by using the source driving module, wherein in the first mode, the source driving module, the first gate driving module and the second gate driving module are turned on, and in the second mode, the source driving module and the first gate driving module are turned on, and the second gate driving module is turned off.
Preferably, the display driving method further includes: and adjusting the parameters of the thin film transistor and/or the capacitance in the first gate driving module according to the load of the first gate line, and adjusting the parameters of the thin film transistor and/or the capacitance in the second gate driving module according to the load of the second gate line, so that the display effects of the first gate line and the second gate line are consistent.
Preferably, the display driving method further includes: and adjusting parameters and/or capacitance parameters of the thin film transistors in the first gate driving module and the second gate driving module so that the waveform of the first gate driving signal at one end of the first gate line close to the second gate line is consistent with the waveform of the second gate driving signal at one end of the second gate line close to the first gate line.
In the embodiment of the invention, different gate driving modules are respectively used for driving the first gate line and the second gate line, so that the size of a single component in the gate driving module is reduced, the frame of the display device is reduced, the visual experience is improved, and meanwhile, the power consumption of the gate driving module is also reduced. In addition, one grid driving module can be turned off to enable one side of the display panel to display a black picture, so that electric energy is further saved on the premise of ensuring basic functions, and longer endurance time is achieved.
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The above and other objects, features and advantages of the present invention will become more apparent from the following description of the embodiments of the present invention with reference to the accompanying drawings.
Fig. 1 shows a schematic block diagram of a display device according to an embodiment of the present invention.
Fig. 2 illustrates a flowchart of a display driving method according to an embodiment of the present invention.
Detailed Description
The technical solution in the embodiments of the present disclosure will be clearly and completely described below with reference to the accompanying drawings. It is to be understood that the described embodiments are merely illustrative of some, and not restrictive, of the embodiments of the disclosure. All other embodiments, which can be derived by one of ordinary skill in the art from the embodiments disclosed herein without inventive faculty, are intended to be within the scope of the disclosure.
The flowcharts and block diagrams in the figures illustrate the possible architectures, functions, and operations of the methods, systems, and apparatuses according to the embodiments of the present invention, and the blocks in the flowcharts and block diagrams may represent modules, program segments, or code segments only, which are executable instructions for implementing specified logical functions. It should also be noted that the executable instructions that implement the specified logical functions may be recombined to create new modules and program segments. The blocks of the drawings, and the order of the blocks, are thus provided to better illustrate the processes and steps of the embodiments and should not be taken as limiting the invention itself.
The present invention may be embodied in various forms, some examples of which are described below.
Fig. 1 shows a schematic block diagram of a display apparatus according to an embodiment of the present invention, the display apparatus 100 including: a first gate driving module 101, a second gate driving module 102, a source driving module 103, and a display panel 104.
The display panel 104 includes a plurality of first gate lines 1041, a plurality of second gate lines 1042 and a plurality of source lines, wherein the plurality of first gate lines 1041 and the plurality of second gate lines 1042 are correspondingly disposed and isolated from each other.
The Display panel 104 may be an LCD (Liquid Crystal Display) Display panel, an LED (Light Emitting Diode) Display panel, or an OLED (Organic Light Emitting Diode) Display panel. The length of the first gate line 1041 may be equal to the length of the second gate line 1042, or may be greater than the length of the second gate line 1042. In some embodiments, the length of the first gate line 1041 is three times the length of the second gate line 1042. The number of gate lines and source lines is not limited, and fig. 1 is only an example, and the number of gate lines and source lines may be adjusted as needed. The lengths of the first gate line 1041 and the second gate line 1042 are not limited to the case shown in fig. 1, and the respective lengths of the first gate line 1041 and the second gate line 1042 can be adjusted according to the requirement.
The first gate driving module 101 is configured to provide a first gate driving signal to the first gate line 1041.
The parameters of the thin film transistor and/or the parameters of the capacitor in the first gate driving module 101 are set according to the load of the first gate line 1041. In some embodiments, the parameters of the thin film transistor and/or the capacitance in the first gate driving module 101 may also be set according to the waveform of the first gate driving signal at the end 1 of the first gate line 1041 close to the second gate line 1042 and the waveform of the second gate driving signal at the end 2 of the second gate line 1042 close to the first gate line 1041.
The second gate driving module 102 is used for providing a second gate driving signal to the second gate line 1042.
The tft parameter and/or the capacitance parameter of the second gate driving module 102 are set according to the load of the second gate line 1042. In some embodiments, the tft parameter and/or the capacitance parameter of the second gate driving module 102 may also be set according to a waveform of the first gate driving signal at an end 1 of the first gate line 1041 close to the second gate line 1042 and a waveform of the second gate driving signal at an end 2 of the second gate line 1042 close to the first gate line 1041.
The source driving module 103 is configured to provide source driving signals to the source lines.
The display device 100 has a plurality of display modes, the first gate driving module 101 and the source driving module 103 are turned on in both the first mode and the second mode, and the second gate driving module 102 is turned on only in the first mode and is not turned on in the second mode.
Fig. 2 illustrates a flowchart of a display driving method according to an embodiment of the present invention. The present display driving method can be applied to the display device 100 described with reference to fig. 1.
In step S01, the tft parameters and/or the capacitance parameters in the first gate driving module and the second gate driving module are set.
For example, the parameters of the thin film transistor and/or the capacitance in the first gate driving module may be adjusted according to the load of the first gate line, and the parameters of the thin film transistor and/or the capacitance in the second gate driving module may be adjusted according to the load of the second gate line, so that the display effects of the first gate line and the second gate line are the same. For another example, the parameters of the thin film transistors and/or the capacitance parameters of the first gate driving module and the second gate driving module may be adjusted, so that the waveform of the first gate driving signal at one end of the first gate line close to the second gate line is consistent with the waveform of the second gate driving signal at one end of the second gate line close to the first gate line. In some embodiments, the length of the first gate line may be greater than the length of the second gate line. For example, the length of the first gate line may be three times that of the second gate line, in which case the thin film transistor parameter and/or the capacitance parameter in the first gate driving module and the second gate driving module may be set according to the ratio.
In step S02, the display mode is determined. If the display mode is the first mode, S03 is executed, and if the display mode is the second mode, S04 is executed.
Different modules can be switched on or off according to different display modes. For example, in a first mode, the source driving module, the first gate driving module and the second gate driving module are turned on; and in a second mode, the source electrode driving module and the first grid electrode driving module are started, and the second grid electrode driving module is turned off.
In step S03, the first gate driving module provides a first gate driving signal to the first gate line, the second gate driving module provides a second gate driving signal to the second gate line, and the source driving module provides a source driving signal to the source line.
In step S04, a first gate driving module is used to provide a first gate driving signal to the first gate line, and a source driving module is used to provide a source driving signal to the plurality of source lines.
In the second mode, the second gate driving module may be directly turned off, and source driving signals provided by the source driving module to the plurality of source lines may be adjusted, so that the display device may display a complete image. Of course, only a partial image may be displayed without adjusting the source driving signal.
In the embodiment of the invention, different gate driving modules are respectively used for driving the first gate line and the second gate line, so that the size of a single component in the gate driving module is reduced, the frame of the display device is reduced, the visual experience is improved, and meanwhile, the power consumption of the gate driving module is also reduced. In addition, one grid driving module can be turned off to enable one side of the display panel to display a black picture, so that electric energy is further saved on the premise of ensuring basic functions, and longer endurance time is achieved.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.
Those of skill would further appreciate that the various illustrative components and algorithm steps described in connection with the embodiments disclosed herein may be implemented as electronic hardware, computer software, or combinations of both, and that the various illustrative components and steps have been described above generally in terms of their functionality in order to clearly illustrate this interchangeability of hardware and software. Whether such functionality is implemented as hardware or software depends upon the particular application and design constraints imposed on the implementation. Skilled artisans may implement the described functionality in varying ways for each particular application, but such implementation decisions should not be interpreted as causing a departure from the scope of the present disclosure.
The steps of a method or algorithm described in connection with the embodiments disclosed herein may be embodied in hardware, a software module executed by a processor, or a combination of the two. A software module may reside in Random Access Memory (RAM), memory, Read Only Memory (ROM), electrically programmable ROM, electrically erasable programmable ROM, registers, hard disk, a removable disk, a CD-ROM, or any other form of storage medium known in the art.
While embodiments in accordance with the invention have been described above, these embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments described. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and the practical application, to thereby enable others skilled in the art to best utilize the invention and various embodiments with various modifications as are suited to the particular use contemplated.
Claims (10)
1. A display device, comprising:
the display panel comprises a plurality of first gate lines, a plurality of second gate lines and a plurality of source lines, wherein the first gate lines and the second gate lines are correspondingly arranged and are insulated and isolated from each other;
the first gate driving module is used for providing a first gate driving signal for the first gate line;
the second gate driving module is used for providing a second gate driving signal for the second gate line;
a source driving module for providing a source driving signal to the source line; and
a mode selection module for determining a display mode,
the display modes of the display device at least comprise a first mode and a second mode, the first gate driving module and the source driving module are both started in the first mode and the second mode, the second gate driving module is started in the first mode, and the second gate driving module is not started in the second mode;
in a second mode, the source driving module outputs the adjusted source driving signal, the display area corresponding to the first gate driving module displays complete image data, and the display area corresponding to the second gate driving module is a black picture.
2. The display device according to claim 1, wherein the thin film transistor parameter and/or the capacitance parameter in the first gate driving module is set according to a load of the first gate line;
and the parameters of the thin film transistor and/or the capacitance in the second gate driving module are set according to the load of the second gate line.
3. The display device according to claim 1 or 2, wherein the parameters of the thin film transistors and/or the capacitance parameters in the first gate driving module and the second gate driving module are set according to the waveform of the first gate driving signal at the end of the first gate line close to the second gate line and the waveform of the second gate driving signal at the end of the second gate line close to the first gate line.
4. The display device according to claim 3, wherein the first gate line is equal in length to the second gate line.
5. The display device according to claim 3, wherein the first gate line is not equal in length to the second gate line.
6. The display device according to claim 5, wherein a length of the first gate line is three times a length of the second gate line.
7. The display device according to claim 3, wherein the display panel comprises an LCD display panel, an LED display panel, and an OLED display panel.
8. A display driving method applied to the display device according to any one of claims 1 to 7, comprising:
providing the first gate driving signal to the first gate line by using the first gate driving module, and providing the second gate driving signal to the second gate line by using the second gate driving module;
providing a source drive signal to the source line with the source drive module,
the display mode of the display device at least comprises a first mode and a second mode, and the display mode is determined and displayed;
in the first mode, the source electrode driving module, the first grid electrode driving module and the second grid electrode driving module are started; in the second mode, the source electrode driving module and the first grid electrode driving module are started, the second grid electrode driving module is turned off, the source electrode driving module outputs the adjusted source electrode driving signal, the display area corresponding to the first grid electrode driving module displays complete image data, and the display area corresponding to the second grid electrode driving module is a black picture.
9. The display driving method according to claim 8, further comprising:
and adjusting the parameters of the thin film transistor and/or the capacitance in the first gate driving module according to the load of the first gate line, and adjusting the parameters of the thin film transistor and/or the capacitance in the second gate driving module according to the load of the second gate line, so that the display effects of the first gate line and the second gate line are consistent.
10. The display driving method according to claim 8 or 9, further comprising:
and adjusting parameters and/or capacitance parameters of the thin film transistors in the first gate driving module and the second gate driving module so that the waveform of the first gate driving signal at one end of the first gate line close to the second gate line is consistent with the waveform of the second gate driving signal at one end of the second gate line close to the first gate line.
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104252079A (en) * | 2014-09-28 | 2014-12-31 | 京东方科技集团股份有限公司 | Array substrate, driving method thereof, display panel and display device |
| CN104700795A (en) * | 2013-12-10 | 2015-06-10 | 乐金显示有限公司 | Display device having partial panels and driving method thereof |
| CN106205449A (en) * | 2014-10-16 | 2016-12-07 | 三星显示有限公司 | Display device, the method for driving display floater and the driver for display device |
| CN106328077A (en) * | 2015-06-30 | 2017-01-11 | 乐金显示有限公司 | Display device and mobile terminal using the same |
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| TWI679624B (en) * | 2014-05-02 | 2019-12-11 | 日商半導體能源研究所股份有限公司 | Semiconductor device |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104700795A (en) * | 2013-12-10 | 2015-06-10 | 乐金显示有限公司 | Display device having partial panels and driving method thereof |
| CN104252079A (en) * | 2014-09-28 | 2014-12-31 | 京东方科技集团股份有限公司 | Array substrate, driving method thereof, display panel and display device |
| CN106205449A (en) * | 2014-10-16 | 2016-12-07 | 三星显示有限公司 | Display device, the method for driving display floater and the driver for display device |
| CN106328077A (en) * | 2015-06-30 | 2017-01-11 | 乐金显示有限公司 | Display device and mobile terminal using the same |
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