CN104575426A - Driving method, driving system, display panel and display device - Google Patents
Driving method, driving system, display panel and display device Download PDFInfo
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- CN104575426A CN104575426A CN201510018735.1A CN201510018735A CN104575426A CN 104575426 A CN104575426 A CN 104575426A CN 201510018735 A CN201510018735 A CN 201510018735A CN 104575426 A CN104575426 A CN 104575426A
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- 238000000034 method Methods 0.000 title claims abstract description 26
- 238000001514 detection method Methods 0.000 claims description 20
- 238000001125 extrusion Methods 0.000 description 9
- 238000010586 diagram Methods 0.000 description 4
- 230000009286 beneficial effect Effects 0.000 description 3
- 208000032765 Device extrusion Diseases 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000005286 illumination Methods 0.000 description 2
- 239000004973 liquid crystal related substance Substances 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
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- 230000003321 amplification Effects 0.000 description 1
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Abstract
The invention provides a driving method, a driving system, a display panel and a display device. The driving method includes the steps that the brightness variable quantity of a pressed and deformed part of the display panel is detected; the display brightness of the stressed and deformed part of the display panel is adjusted according to the brightness variable quantity of the pressed and deformed part of the display panel, and the practical display brightness of the display panel is even. According to the driving method, the practical display brightness of the display panel cannot be affected by the pressed and deformed part any more, the practical display brightness of the display panel is more even, and therefore it is ensured that the display brightness of the display panel can be even under the condition that the display panel is pressed and deformed, and the image quality of the pressed and deformed display panel is ensured.
Description
Technical field
The present invention relates to display technique field, particularly, relate to a kind of driving method, drive system, display panel and display device.
Background technology
Liquid crystal display product (LCD:Liquid Crystal Display) has become the main product in current panel display apparatus because of features such as its volume are little, low in energy consumption, radiationless.Along with the development of lcd technology, the size of display screen is increasing, and image quality requires also more and more higher.
When LCDs be squeezed, local deform time; the brightness at distortion position can change (as brighten or dimmed) usually; by the brightness variable effect at display screen distortion position, be easy to cause the display brightness of display screen when showing uneven, thus affect picture quality.
Summary of the invention
The present invention is directed to the above-mentioned technical matters existed in prior art, a kind of driving method, drive system, display panel and display device are provided.This driving method can make the actual displayed brightness of display panel no longer by the impact at compressive deformation position, and make the actual displayed brightness of display panel become more even, thus display panel can also be guaranteed when extrusion, and its display brightness is homogeneous, and then ensure that the picture quality after display panel compressive deformation.
The invention provides a kind of driving method, comprising: the luminance delta at detection display panel compressive deformation position; According to the described luminance delta at described display panel compressive deformation position, the display brightness at described display panel compressive deformation position is adjusted, to make the actual displayed brightness uniformity of described display panel.
Preferably, described driving method specifically comprises:
Detect the pressure that described display panel compressive deformation position is subject to, and described pressure is converted to voltage signal;
The described luminance delta at described display panel compressive deformation position is calculated according to described voltage signal;
Adjust according to the display brightness of described luminance delta to described display panel compressive deformation position;
Described display panel compressive deformation position is driven to show according to the display brightness after adjustment.
Preferably, describedly to adjust according to the display brightness of described luminance delta to described display panel compressive deformation position; Drive described display panel compressive deformation position to show according to the display brightness after adjustment specifically to comprise:
Compensate driving the data-signal of described display panel compressive deformation position display according to described luminance delta; Export the data-signal after compensation to described display panel compressive deformation position to show.
The present invention also provides a kind of drive system, comprises detecting unit and adjustment unit, and described detecting unit is used for the luminance delta at detection display panel compressive deformation position; Described adjustment unit is used for the described luminance delta according to described display panel compressive deformation position, adjusts the display brightness at described display panel compressive deformation position.
Preferably, described detecting unit comprises detection module and modular converter, the pressure that described detection module is subject to for detecting described display panel compressive deformation position; Described modular converter is used for described pressure being converted to voltage signal and exporting to described adjustment unit.
Preferably, also comprise driver element, described adjustment unit comprises time-sequence control module, the described voltage signal that described time-sequence control module is used for exporting according to described modular converter calculates the described luminance delta at described display panel compressive deformation position, and adjust according to the display brightness of described luminance delta to described display panel compressive deformation position, also for the display brightness after adjustment is exported to described driver element;
Described driver element is used for driving described display panel compressive deformation position to show according to the display brightness after described adjustment.
Preferably, described time-sequence control module comprises calculating sub module, compensates submodule and data-signal output sub-module, and described data-signal output sub-module is used for outputting data signals; Described calculating sub module is for the described voltage signal that receives described modular converter and export and calculate the described luminance delta at described display panel compressive deformation position according to described voltage signal; Described compensation submodule is used for compensating the data-signal that described data-signal output sub-module exports according to described luminance delta;
Described driver element comprises data-driven module, and the data-signal after described compensation for receiving the data-signal after compensation, and is exported to described display panel compressive deformation position and shows by described data-driven module.
Preferably, described detecting unit is arranged on the region that the viewing area of described display panel and non-display area are bordered on, and described detection module adopts pressure transducer.
Preferably, described time-sequence control module adopts time schedule controller, and described data-driven module adopts data driving chip.
The present invention also provides a kind of display panel, comprises above-mentioned drive system.
The present invention also provides a kind of display device, comprises above-mentioned display panel.
Beneficial effect of the present invention: driving method provided by the present invention, by detecting the luminance delta at display panel compressive deformation position, and adjust according to the display brightness of this luminance delta to display panel compressive deformation position, the actual displayed brightness of display panel can be made no longer by the impact at compressive deformation position, and make the actual displayed brightness of display panel become more even, thus display panel can also be guaranteed when extrusion, and its display brightness is homogeneous, and then ensure that the picture quality after display panel compressive deformation.
Drive system provided by the present invention, by arranging detecting unit and adjustment unit, the luminance delta of this drive system to display panel compressive deformation position can be made accurately to detect, and adjust according to the display brightness of this luminance delta to display panel, thus display panel can also be guaranteed when extrusion, and its actual display brightness is homogeneous, and then ensure that the picture quality after display panel compressive deformation.
Display panel provided by the present invention, by adopting above-mentioned drive system, when this display panel extrusion, can guarantee the homogeneity of its actual display brightness, also ensures its picture quality simultaneously.Display device provided by the present invention, by adopting above-mentioned display panel, the homogeneity of actual displayed brightness when can guarantee this display device extrusion, also ensures its picture quality simultaneously.
Accompanying drawing explanation
Fig. 1 is the process flow diagram of driving method in the embodiment of the present invention 1;
Fig. 2 is the particular flow sheet of driving method in Fig. 1;
Fig. 3 is the theory diagram of drive system in the embodiment of the present invention 2;
Fig. 4 is the circuit theory diagrams of detecting unit in Fig. 3.
Description of reference numerals wherein:
1. detecting unit; 11. detection modules; 12. modular converters; 2. adjustment unit; 21. time-sequence control modules; 211. calculating sub module; 212. compensate submodule; 213. data-signal output sub-modules; 3. driver element; 31. data-driven modules.
Embodiment
For making those skilled in the art understand technical scheme of the present invention better, below in conjunction with the drawings and specific embodiments, a kind of driving method provided by the present invention, drive system, display panel and display device are described in further detail.
Embodiment 1:
The present embodiment provides a kind of driving method, as shown in Figure 1, comprising: step S1: the luminance delta at detection display panel compressive deformation position.Step S2: according to the luminance delta at display panel compressive deformation position, adjusts the display brightness at display panel compressive deformation position, to make the actual displayed brightness uniformity of display panel.
This driving method is by detecting the luminance delta at display panel compressive deformation position, and adjust according to the display brightness of this luminance delta to display panel compressive deformation position, the actual displayed brightness of display panel can be made no longer by the impact at compressive deformation position, and make the actual displayed brightness of display panel become more even, thus display panel can also be guaranteed when extrusion, and its display brightness is homogeneous, and then ensure that the picture quality after display panel compressive deformation.
Driving method in the present embodiment specifically comprises: as shown in Figure 2,
Step S101: the pressure that detection display panel compressive deformation position is subject to, and pressure is converted to voltage signal.
Step S102: the luminance delta calculating display panel compressive deformation position according to voltage signal.
In this step, according to the corresponding conversion relation (as certain funtcional relationship) of voltage signal (size as voltage signal) with luminance delta, the luminance delta at display panel compressive deformation position can be calculated.
Step S103: adjust according to the display brightness of luminance delta to display panel compressive deformation position.
Step S104: drive the display of display panel compressive deformation position according to the display brightness after adjustment.
Step S103 and step S104 specifically comprises: compensate driving the data-signal of display panel compressive deformation position display according to luminance delta; Export the data-signal after compensation to display panel compressive deformation position to show.Namely be by realizing the compensation of data-signal to the adjustment of the display brightness at display panel compressive deformation position.Because the backlight illumination of display panel when showing is certain, and backlight illumination cannot carry out the brightness adjustment of local usually, so the actual displayed brightness irregularities of the display panel caused by display panel compressive deformation position will be made up, can only by realizing driving the data-signal of display panel compressive deformation position display to compensate.By this driving method, the actual displayed brightness of display panel can be made to become even, improving picture quality.
The beneficial effect of embodiment 1: the driving method in embodiment 1, by detecting the luminance delta at display panel compressive deformation position, and adjust according to the display brightness of this luminance delta to display panel compressive deformation position, the actual displayed brightness of display panel can be made no longer by the impact at compressive deformation position, and make the actual displayed brightness of display panel become more even, thus display panel can also be guaranteed when extrusion, and its display brightness is homogeneous, and then ensure that the picture quality after display panel compressive deformation.
Embodiment 2:
The present embodiment provides a kind of drive system, and as shown in Figure 3, comprise detecting unit 1 and adjustment unit 2, detecting unit 1 is for the luminance delta at detection display panel compressive deformation position; Adjustment unit 2, for the luminance delta according to display panel compressive deformation position, adjusts the display brightness at display panel compressive deformation position.
The setting of detecting unit 1 and adjustment unit 2, the luminance delta of this drive system to display panel compressive deformation position can be made accurately to detect, and adjust according to the display brightness of this luminance delta to display panel, thus display panel can also be guaranteed when extrusion, and its display brightness is homogeneous, and then ensure that the picture quality after display panel compressive deformation.
Wherein, detecting unit 1 comprises detection module 11 and modular converter 12, the pressure that detection module 11 is subject to for detection display panel compressive deformation position; Modular converter 12 is for being converted to voltage signal by pressure and exporting to adjustment unit 2.
In the present embodiment, detecting unit 1 is arranged on the region that the viewing area of display panel and non-display area are bordered on, and so arranges, the setting of detecting unit 1 can not be impacted the display of display panel.Detection module 11 adopts pressure transducer.Be illustrated in figure 4 the circuit theory diagrams of detecting unit 1, pressure bridge Q wherein can the pressure that is subject to of detection display panel compressive deformation position, and this pressure is converted to voltage signal, this voltage signal exports from Vo end and exports to adjustment unit 2 after the amplification process of three amplifier instrument amplifier AD623.
It should be noted that, detection module 11 also can adopt other pressure sensing devices (as pressure unit etc.).
In the present embodiment, as shown in Figure 3, drive system also comprises driver element 3, adjustment unit 2 comprises time-sequence control module 21, time-sequence control module 21 calculates the luminance delta at display panel compressive deformation position for the voltage signal exported according to modular converter 12, and adjust according to the display brightness of luminance delta to display panel compressive deformation position, also for the display brightness after adjustment is exported to driver element 3.Driver element 3 is for driving the display of display panel compressive deformation position according to the display brightness after adjustment.
In the present embodiment, time-sequence control module 21 comprises calculating sub module 211, compensates submodule 212 and data-signal output sub-module 213.Data-signal output sub-module 213 is for outputting data signals.Calculating sub module 211 is for the voltage signal that receives modular converter 12 and export and calculate the luminance delta at display panel compressive deformation position according to voltage signal.Compensate submodule 212 for compensating the data-signal that data-signal output sub-module 213 exports according to luminance delta.Driver element 3 comprises data-driven module 31, and the data-signal after compensating for receiving the data-signal after compensation, and is exported to display panel compressive deformation position and shows by data-driven module 31.Setting like this, ensure that the homogeneity of display panel actual displayed brightness, thus ensure that picture quality.
In the present embodiment, time-sequence control module 21 adopts time schedule controller, and data-driven module 31 adopts data driving chip.
The beneficial effect of embodiment 2: the drive system in embodiment 2, by arranging detecting unit and adjustment unit, the luminance delta of this drive system to display panel compressive deformation position can be made accurately to detect, and adjust according to the display brightness of this luminance delta to display panel, thus display panel can also be guaranteed when extrusion, and its actual display brightness is homogeneous, and then ensure that the picture quality after display panel compressive deformation.
Embodiment 3:
The present embodiment provides a kind of display panel, comprises the drive system in embodiment 2.
By adopting the drive system in embodiment 2, when this display panel extrusion, the homogeneity of its actual display brightness can be guaranteed, also ensures its picture quality simultaneously.
Embodiment 4:
The present embodiment provides a kind of display device, comprises the display panel in embodiment 3.
By adopting the display panel in embodiment 3, the homogeneity of actual displayed brightness when can guarantee this display device extrusion, also ensures its picture quality simultaneously.
Be understandable that, the illustrative embodiments that above embodiment is only used to principle of the present invention is described and adopts, but the present invention is not limited thereto.For those skilled in the art, without departing from the spirit and substance in the present invention, can make various modification and improvement, these modification and improvement are also considered as protection scope of the present invention.
Claims (11)
1. a driving method, is characterized in that, comprising: the luminance delta at detection display panel compressive deformation position; According to the described luminance delta at described display panel compressive deformation position, the display brightness at described display panel compressive deformation position is adjusted, to make the actual displayed brightness uniformity of described display panel.
2. driving method according to claim 1, is characterized in that, described driving method specifically comprises:
Detect the pressure that described display panel compressive deformation position is subject to, and described pressure is converted to voltage signal;
The described luminance delta at described display panel compressive deformation position is calculated according to described voltage signal;
Adjust according to the display brightness of described luminance delta to described display panel compressive deformation position;
Described display panel compressive deformation position is driven to show according to the display brightness after adjustment.
3. driving method according to claim 2, is characterized in that, describedly adjusts according to the display brightness of described luminance delta to described display panel compressive deformation position; Drive described display panel compressive deformation position to show according to the display brightness after adjustment specifically to comprise:
Compensate driving the data-signal of described display panel compressive deformation position display according to described luminance delta; Export the data-signal after compensation to described display panel compressive deformation position to show.
4. a drive system, is characterized in that, comprises detecting unit and adjustment unit, and described detecting unit is used for the luminance delta at detection display panel compressive deformation position; Described adjustment unit is used for the described luminance delta according to described display panel compressive deformation position, adjusts the display brightness at described display panel compressive deformation position.
5. drive system according to claim 4, is characterized in that, described detecting unit comprises detection module and modular converter, the pressure that described detection module is subject to for detecting described display panel compressive deformation position; Described modular converter is used for described pressure being converted to voltage signal and exporting to described adjustment unit.
6. drive system according to claim 5, it is characterized in that, also comprise driver element, described adjustment unit comprises time-sequence control module, the described voltage signal that described time-sequence control module is used for exporting according to described modular converter calculates the described luminance delta at described display panel compressive deformation position, and adjust according to the display brightness of described luminance delta to described display panel compressive deformation position, also for the display brightness after adjustment is exported to described driver element;
Described driver element is used for driving described display panel compressive deformation position to show according to the display brightness after described adjustment.
7. drive system according to claim 6, is characterized in that, described time-sequence control module comprises calculating sub module, compensates submodule and data-signal output sub-module, and described data-signal output sub-module is used for outputting data signals; Described calculating sub module is for the described voltage signal that receives described modular converter and export and calculate the described luminance delta at described display panel compressive deformation position according to described voltage signal; Described compensation submodule is used for compensating the data-signal that described data-signal output sub-module exports according to described luminance delta;
Described driver element comprises data-driven module, and the data-signal after described compensation for receiving the data-signal after compensation, and is exported to described display panel compressive deformation position and shows by described data-driven module.
8. drive system according to claim 5, is characterized in that, described detecting unit is arranged on the region that the viewing area of described display panel and non-display area are bordered on, and described detection module adopts pressure transducer.
9. drive system according to claim 7, is characterized in that, described time-sequence control module adopts time schedule controller, and described data-driven module adopts data driving chip.
10. a display panel, is characterized in that, comprises the drive system described in claim 4-9 any one.
11. 1 kinds of display device, is characterized in that, comprise display panel according to claim 10.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510018735.1A CN104575426B (en) | 2015-01-14 | 2015-01-14 | Driving method, drive system, display panel and display device |
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| CN201510018735.1A CN104575426B (en) | 2015-01-14 | 2015-01-14 | Driving method, drive system, display panel and display device |
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| CN104575426A true CN104575426A (en) | 2015-04-29 |
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| CN107665657A (en) * | 2016-07-29 | 2018-02-06 | 乐金显示有限公司 | Can wound flexible display device |
| CN110095890A (en) * | 2019-05-05 | 2019-08-06 | 深圳市华星光电半导体显示技术有限公司 | Cleaning device and cleaning method |
| CN110610686A (en) * | 2019-09-26 | 2019-12-24 | 厦门天马微电子有限公司 | Display adjusting method and device, chip, display panel and display device |
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| CN107665657A (en) * | 2016-07-29 | 2018-02-06 | 乐金显示有限公司 | Can wound flexible display device |
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| CN104575426B (en) | 2017-06-06 |
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Granted publication date: 20170606 |