CN102592567A - Display device with optical compensation function and compensation method thereof - Google Patents
Display device with optical compensation function and compensation method thereof Download PDFInfo
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- CN102592567A CN102592567A CN2012100677272A CN201210067727A CN102592567A CN 102592567 A CN102592567 A CN 102592567A CN 2012100677272 A CN2012100677272 A CN 2012100677272A CN 201210067727 A CN201210067727 A CN 201210067727A CN 102592567 A CN102592567 A CN 102592567A
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Abstract
A display device with optical compensation function comprises a panel, a source electrode driving unit, a grid electrode driving unit and a control unit, wherein the panel comprises a plurality of display areas. The source driving unit is electrically coupled to the panel and used for generating a source driving signal to drive the panel. The gate driving unit is electrically coupled to the panel and used for generating a gate driving signal to drive the panel. The control unit is electrically coupled to the source driving unit and the gate driving unit, and is configured to receive a data input signal, and obtain a plurality of corresponding compensation data according to a distance between the display area and the gate driving unit or according to a degree of a feed-through effect between the gate driving signal and the source driving signal, so as to provide a control signal to the source driving unit. An optical compensation method for a display device is also disclosed.
Description
Technical field
The invention relates to a kind of display device, and particularly relevant for a kind of display device and compensation method thereof with optical compensation function.
Background technology
Along with the progress that shows science and technology, size of display panels increases day by day, makes the design complexities of driving circuit also promote thereupon.In known display panel; The electric capacity ghost effect of part on signal transmits near gate driver circuit is less; Therefore; Gate drive signal makes gate drive signal have stronger feedthrough (feed-through) effect because of the RC late effect slightly causes less decay, thereby it is accurate to have influence on source drive voltage of signals position.Yet; The electric capacity ghost effect of part on signal transmits away from gate driver circuit in the display panel is bigger; Therefore; Gate drive signal makes source drive voltage of signals position standard more not receive the feedthrough effects of gate drive signal because of the RC late effect comparatively seriously causes bigger decay.
Hence one can see that, and along with the increase of size of display panels, the source drive signal of zones of different receives the feedthrough effects of gate drive signal in various degree in the panel, makes that zones of different manifests different optical characteristics respectively in the display panel.
Therefore, known technology still has above-mentioned shortcomings and deficiencies part and needs to solve so far.
Summary of the invention
One of content of the present invention aspect is to provide a kind of display device of tool optical compensation function, comprises panel, source drive unit, drive element of the grid and control module, and wherein panel comprises a plurality of viewing areas.Source drive unit electric property coupling panel drives panel in order to produce the source drive signal.Drive element of the grid electric property coupling panel drives panel in order to produce gate drive signal.Control module electric property coupling source drive unit and drive element of the grid in order to receiving data input signal, and obtain corresponding a plurality of offset datas according to viewing area and the distance between the drive element of the grid, with the data that afford redress to the source drive unit.
This control module comprises a storage unit, in order to store those offset datas.
Those offset data systems store with a question blank pattern.
This control module more comprises a FPGA grid array, in order to receive a data actuating signal and a clock pulse signal.
This control module is divided into a plurality of signal spacings according to the division of those viewing areas with this data input signal and this data actuating signal.
This this clock signal of FPGA grid array counting, and produce a querying command to this storage unit, to obtain those corresponding offset datas.
Another aspect of content of the present invention is to provide a kind of display device of tool optical compensation function, comprises panel, source drive unit, drive element of the grid and control module, and wherein panel comprises a plurality of viewing areas.Source drive unit electric property coupling panel drives panel in order to produce the source drive signal.Drive element of the grid electric property coupling panel drives panel in order to produce gate drive signal.Control module electric property coupling source drive unit and drive element of the grid; In order to receive data input signal; And obtain corresponding a plurality of offset datas according to the degree of feedthrough effect between gate drive signal and the source drive signal, data are given the source drive unit to afford redress.
This control module comprises a storage unit, in order to store those offset datas.
Those offset data systems store with a question blank pattern.
This control module more comprises a FPGA grid array, in order to receive a data actuating signal and a clock pulse signal.
This control module is divided into a plurality of signal spacings according to the division of those viewing areas with this data input signal and this data actuating signal.
This this clock signal of FPGA grid array counting, and produce a querying command to this storage unit, to obtain those corresponding offset datas.
The another aspect of summary of the invention of the present invention is to provide a kind of optical compensation method of display device, comprises the following operations step.At first, optic test is carried out in a plurality of viewing areas in the counter plate, to obtain the required a plurality of offset datas in corresponding viewing area.Subsequently, receive data input signal, clock signal and data actuating signal.Then, data input signal and data actuating signal are divided into a plurality of signal spacings.Thereafter, whether the counting clock signal arrives to judge the signal spacing.When the signal spacing arrives, obtain the offset data corresponding with the signal spacing.Then, the output offset data is to carry out optical compensation to the viewing area.
Division is drawn according to the size of this viewing area or the distance between those viewing areas and the drive element of the grid by those viewing areas system.
Those signal spacings are to adjust according to the quantity of those viewing areas.
Therefore, the described technology contents of the foregoing description of summary of the invention according to the present invention can carry out optic test through a plurality of zones of counter plate, to obtain corresponding offset data.Subsequently; Viewing area according to panel compensates tabling look-up and obtaining of data; Produce the accurate control signal in corresponding differential wave position,, improve of the influence of the feedthrough effect of gate drive signal the source drive signal with the voltage level of compensating source electrode drive signal; Make panel evenly to show, and have consistent optical characteristics.
Description of drawings
For letting above-mentioned and other purposes of the present invention, characteristic, advantage and the embodiment can be more obviously understandable, appended graphic explanation be following:
Fig. 1 is the circuit box synoptic diagram according to the display device of the tool optical compensation function of a kind of embodiment of content of the present invention.
Fig. 2 is the signal sequence synoptic diagram according to the display device of a kind of tool optical compensation function of the embodiment of content of the present invention.
Fig. 3 is the drive signal sequential synoptic diagram according to the display device of a kind of tool optical compensation function of the embodiment of content of the present invention.
Fig. 4 is the schematic flow sheet according to the optical compensation method of the display device of a kind of embodiment of content of the present invention.
Description of reference numerals
100: display device
110: panel
111～11n: viewing area
120: the source drive unit
130: drive element of the grid
140: control module
141: storage unit
142: the FPGA grid array
410～470: operation steps
Embodiment
Below will be with graphic and be described in detail the spirit that clearly demonstrates content of the present invention; Any those skilled in the art are after the preferred embodiment of understanding content of the present invention; When can be by the technology of content of the present invention institute teaching, change and modification, it does not break away from the spirit and the scope of content of the present invention.
Fig. 1 is the circuit box synoptic diagram according to the display device 100 of the tool optical compensation function of a kind of embodiment of content of the present invention.Display device 100 can comprise panel 110, source drive unit 120, drive element of the grid 130 and control module 140.Panel 110 can comprise a plurality of viewing areas, and (for example: 111～viewing area, viewing area 11n), wherein the viewing area can be divided according to the distance between viewing area and the drive element of the grid 130.For example, nearest part can be divided into viewing area 111 in the panel 110 and between the drive element of the grid 130.Otherwise the part of furthest can be divided into viewing area 11n in the panel 110 and between the drive element of the grid 130.
In the embodiment of content of the present invention, control module 140 can comprise storage unit 141, in order to store offset data.What need explanation is; Above-mentioned offset data is to be stored in the storage unit 141 with question blank (Look up table) pattern; And storage unit 141 can comprise electronics and can smear and wipe away ROM (Electrically erasable PROM; EEPROM), and burning mode capable of using offset data is write electronics can smear and wipe away in the ROM.
In the embodiment of content of the present invention; Control module 140 more can comprise the FPGA grid array (Programmable logic gate array, FPGA) 142, in order to receive data actuating signal (data enable signal; DE) with clock signal (clock signal; CLK), and control module 140 can be according to the division of the viewing area of panel 110, divides into a plurality of signal spacings with data input signal is corresponding with data actuating signal.For example, when panel 110 was divided into 111～viewing area, viewing area 11n, control module 140 can be divided into n signal spacing with data input signal is corresponding with data actuating signal.
For instance, when panel 110 resolutions are W*M, and panel 110 foundations are when being divided into n viewing area with the distance of drive element of the grid 130, and the number of times that can obtain the corresponding clock pulse counting in each signal spacing is W/n=K.Therefore, whether FPGA grid array 142 count enable clock signals arrive to judge each signal spacing.When clock pulse count down to K time, represent that first signal spacing arrives, FPGA grid array 142 produces the first corresponding querying command and gives storage unit 141, to obtain the offset data of viewing area 111.When clock pulse count down to 2*K time, the expression secondary signal is interval to be arrived, and FPGA grid array 142 produces the second corresponding querying command and gives storage unit 141, to obtain the offset data of viewing area 112.The rest may be inferred, when clock pulse count down to n*K time, representes that the n signal spacing arrives, and FPGA grid array 142 produces corresponding n querying command and gives storage unit 141, to obtain the offset data of viewing area 11n.
Fig. 2 is the signal sequence synoptic diagram according to the display device 100 of a kind of tool optical compensation function of the embodiment of content of the present invention.For instance, the panel 110 of display device 100 (for example: 111～viewing area, viewing area 11n) can be divided into n viewing area.Control module 140 can receive data input signal, clock signal and data actuating signal, and control module 140 (for example: signal spacing T1～signal spacing Tn) is divided into n signal spacing according to the division of the viewing area of panel 110 with data input signal and data actuating signal.Whether when data actuating signal was drawn high (pull high), the data input signal that control module 140 is received was regarded as useful signal, and FPGA grid array 142 begins to count clock signal, arrive to judge the signal spacing.When signal spacing T1 arrived, FPGA grid array 142 produced the first corresponding querying command and gives storage unit 141, to obtain the offset data of corresponding viewing area 111.When signal spacing T2 arrived, FPGA grid array 142 produced the second corresponding querying command and gives storage unit 141, to obtain the offset data of corresponding viewing area 112.In like manner, when signal spacing T3～Tn arrived in regular turn, FPGA grid array 142 produced corresponding query order～the n querying command in regular turn and gives storage unit 141, to obtain the offset data of corresponding viewing area 113～11n.Subsequently, data actuating signal drags down (pull low), transmits with the line data (line data) that finish this.Then, after preset interval time, data actuating signal is drawn high once more, to carry out the transmission of next line data.
In the present embodiment, data input signal has the identical accurate L32-L32 in differential wave position in each signal spacing, makes control module 140 exportable control signal with the accurate L32-L32 in differential wave position when not compensating as yet give source drive unit 120.What need explanation is, the accurate L32-L32 in differential wave position system expression positive polarity be+L32 and negative polarity be-and the voltage amplitude of L32.Therefore, source drive unit 120 can correspondingly produce the accurate source drive signal in tool specific voltage position after receiving above-mentioned control signal, makes the viewing area of panel 110 can show specific illumination (Lux).
Control module 140 can produce corresponding querying command in each signal spacing; To obtain the offset data of corresponding each viewing area; Make control module 140 can be corresponding viewing area 111 produce the control signal of the differential wave accurate L31-L33 in position, corresponding viewing area 112 produce control signal that the control signal of the differential wave accurate L32-L32 in position, corresponding viewing area 113 produce the differential wave accurate L33-L31 in position ... and corresponding viewing area 11n produces the accurate control signal in differential wave position and gives source drive unit 120, makes that 111～viewing area, the viewing area 11n in the panel 110 all has identical optical characteristics (for example: have consistent illumination).
Fig. 3 is the drive signal sequential synoptic diagram according to the display device 100 of a kind of tool optical compensation function of the embodiment of content of the present invention.In the present embodiment, can with panel 100 foundations and drive element of the grid 130 apart from distance be divided into closely, in, three viewing areas such as far away (for example: 111～viewing area, viewing area 113).In viewing area 111, nearest because of between itself and the drive element of the grid 130, so the source drive signal can be by the feedthrough effects of very strong gate drive signal make that source drive voltage of signals position is accurate to produce skew.So in the present embodiment, control module 140 can be tabled look-up according to corresponding display 111, with the differential wave position of original control signal accurate by L32-L32 for being adjusted into L31-L33, in order to the voltage level of compensating source electrode drive signal.In like manner; Distance between viewing area 112 and the drive element of the grid 130 is far away; Therefore the source drive signal receives the feedthrough effects of gate drive signal less, so the source drive signal need not carry out the compensation of voltage level, and keeps that the differential wave position of control signal is accurate to be L32-L32.In the present embodiment, the furthest between viewing area 113 and the drive element of the grid 130, so the source drive signal more do not receive the feedthrough effects of gate drive signal, source drive voltage of signals position will definitely need adjustment.At this moment, control module 140 can be tabled look-up according to corresponding display 113, is adjusted into L33-L31 with the differential wave position standard with original control signal by L32-L32, in order to the voltage level of compensating source electrode drive signal.This shows, through above-mentioned corresponding viewing area table look-up with signal compensation after, all viewing areas in the panel 110 can have identical optical characteristics (for example: have consistent illumination).
Fig. 4 is the schematic flow sheet according to the optical compensation method of the display device of a kind of embodiment of content of the present invention.In this embodiment, display device 100 as shown in Figure 1 capable of using is reached the purpose of optical compensation, and its circuit structure is same as the previously described embodiments or similar, repeats no more in this.At first, in step 410, but a plurality of viewing areas are (for example: 111～viewing area, viewing area 11n) carry out optic test, to obtain the required a plurality of offset datas in corresponding viewing area in the counter plate 110.Subsequently, in step 420, control module 140 capable of using receives data input signal, clock signal and data actuating signal.Then, in step 430, control module 140 can (for example: n signal spacing) be divided into a plurality of signal spacings with data input signal and data actuating signal.Thereafter, in step 440, whether control module 140 count enable clock signals arrive to judge the signal spacing.When the signal spacing arrived, control module 140 can produce corresponding querying command, so that the question blank of setting up is in advance inquired about, shown in step 450.Subsequently, in step 460, control module 140 can obtain the corresponding offset data in signal spacing.Then, in step 470, control module 140 exportable offset datas are to carry out optical compensation to the viewing area.
What need explanation is, the viewing area can be divided according to the size of viewing area or the distance between viewing area and the drive element of the grid 120.For instance, when the X of panel 110 shaft size is 200 centimeters, can panel 110 (for example: 111～viewing area, viewing area 11n), make that the X shaft size of each viewing area is 200 centimeters/n be divided into n viewing area according to the X shaft size of panel 110.In the horizontal resolution of panel 110 is an embodiment of 1920; Can in regular turn panel 110 (for example: 111～viewing area, viewing area 11n), make that the horizontal resolution of each viewing area is 1920/n be divided into n viewing area according to the distance distance between panel 110 and the drive element of the grid 120.In addition, in the present embodiment, the mode of operation of display device 100 is also same or similar with the embodiment of Fig. 1～shown in Figure 3, repeats no more in this.
In the embodiment of content of the present invention, the signal spacing is to adjust according to the quantity of viewing area.That is when panel 110 was divided into n viewing area, data input signal and data actuating signal also were divided into n signal spacing, (for example: first querying command～n querying command) to produce corresponding querying command.
Compared to the convention practice, in content the foregoing description of the present invention, can carry out optic test, to obtain corresponding offset data through a plurality of zones of counter plate.Subsequently; Viewing area according to panel compensates tabling look-up and obtaining of data; Produce the control signal of corresponding differential signal level,, improve of the influence of the feedthrough effect of gate drive signal the source drive signal with the voltage level of compensating source electrode drive signal; Make panel evenly to show, and have consistent optical characteristics.
Mentioned step in content of the present invention except that chatting bright its order person especially, all can be adjusted order before and after it according to actual needs, in addition can be simultaneously or part carry out simultaneously, and do not exceed with above-mentioned.
Though the present invention with embodiment openly as above; Right its is not in order to limit the present invention; Any those skilled in the art are not breaking away from the spirit and scope of the present invention, and when can doing various changes and retouching, so protection scope of the present invention is as the criterion with claims.
Claims (15)
1. the display device of a tool optical compensation function comprises:
One panel comprises a plurality of viewing areas;
The one source pole driver element, this panel of electric property coupling is in order to produce this panel of one source pole drive;
One drive element of the grid, this panel of electric property coupling drives this panel in order to produce a gate drive signal; And
One control module; This source drive unit of electric property coupling and this drive element of the grid; In order to receiving a data input signal, and obtain corresponding a plurality of offset datas with the distance between this drive element of the grid, and provide those offset datas to this source drive unit according to those viewing areas.
2. the display device of tool optical compensation function as claimed in claim 1 is characterized in that, this control module comprises a storage unit, in order to store those offset datas.
3. the display device of tool optical compensation function as claimed in claim 2 is characterized in that, those offset data systems store with a question blank pattern.
4. the display device of tool optical compensation function as claimed in claim 2 is characterized in that, this control module more comprises a FPGA grid array, in order to receive a data actuating signal and a clock pulse signal.
5. the display device of tool optical compensation function as claimed in claim 4 is characterized in that, this control module is divided into a plurality of signal spacings according to the division of those viewing areas with this data input signal and this data actuating signal.
6. the display device of tool optical compensation function as claimed in claim 4 is characterized in that, this this clock signal of FPGA grid array counting, and produce a querying command to this storage unit, to obtain those corresponding offset datas.
7. the display device of a tool optical compensation function comprises:
One panel comprises a plurality of viewing areas;
The one source pole driver element, this panel of electric property coupling is in order to produce this panel of one source pole drive;
One drive element of the grid, this panel of electric property coupling drives this panel in order to produce a gate drive signal; And
One control module; This source drive unit of electric property coupling and this drive element of the grid; In order to receive a data input signal; And obtain corresponding a plurality of offset datas, and provide those offset datas to this source drive unit according to the degree of a feedthrough effect between this gate drive signal and this source drive signal.
8. the display device of tool optical compensation function as claimed in claim 7 is characterized in that, this control module comprises a storage unit, in order to store those offset datas.
9. the display device of tool optical compensation function as claimed in claim 8 is characterized in that, those offset data systems store with a question blank pattern.
10. the display device of tool optical compensation function as claimed in claim 8 is characterized in that, this control module more comprises a FPGA grid array, in order to receive a data actuating signal and a clock pulse signal.
11. the display device of tool optical compensation function as claimed in claim 10 is characterized in that, this control module is divided into a plurality of signal spacings according to the division of those viewing areas with this data input signal and this data actuating signal.
12. the display device of tool optical compensation function as claimed in claim 10 is characterized in that, this this clock signal of FPGA grid array counting, and produce a querying command to this storage unit, to obtain those corresponding offset datas.
13. the optical compensation method of a display device comprises:
An optic test is carried out in a plurality of viewing areas in one panel, to obtain a plurality of offset datas of corresponding those viewing areas;
Receive a data input signal, a clock pulse signal and a data actuating signal;
This data input signal and this data actuating signal are divided into a plurality of signal spacings;
Count this clock signal, whether arrive to judge those signal spacings;
When those signal spacings arrive, obtain those offset datas corresponding with those signal spacings; And
Export those offset datas, so that optical compensation is carried out in those viewing areas.
14. the optical compensation method of display device as claimed in claim 13 is characterized in that, division is drawn according to the size of this viewing area or the distance between those viewing areas and the drive element of the grid by those viewing areas system.
15. the optical compensation method of display device as claimed in claim 13 is characterized in that, those signal spacings are to adjust according to the quantity of those viewing areas.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| TW100146514A TWI444962B (en) | 2011-12-15 | 2011-12-15 | Display apparatus having optical compensating function and compensating method therof |
| TW100146514 | 2011-12-15 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102592567A true CN102592567A (en) | 2012-07-18 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012100677272A Pending CN102592567A (en) | 2011-12-15 | 2012-03-12 | Display device with optical compensation function and compensation method thereof |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN102592567A (en) |
| TW (1) | TWI444962B (en) |
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| WO2015188605A1 (en) * | 2014-06-12 | 2015-12-17 | 京东方科技集团股份有限公司 | Optical compensation device of display panel, display panel, and optical compensation method for display panel |
| CN105388646A (en) * | 2015-12-14 | 2016-03-09 | 深圳市华星光电技术有限公司 | Liquid crystal display screen and color cast compensation method of same |
| CN107945764A (en) * | 2018-01-08 | 2018-04-20 | 惠科股份有限公司 | The driving method of the drive circuit of display panel, display device and display panel |
| CN109979411A (en) * | 2019-04-29 | 2019-07-05 | 上海天马有机发光显示技术有限公司 | The method for burn-recording and powering method of a kind of display panel, display panel |
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| US20060114205A1 (en) * | 2004-11-17 | 2006-06-01 | Vastview Technology Inc. | Driving system of a display panel |
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| WO2015188605A1 (en) * | 2014-06-12 | 2015-12-17 | 京东方科技集团股份有限公司 | Optical compensation device of display panel, display panel, and optical compensation method for display panel |
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| CN107945764A (en) * | 2018-01-08 | 2018-04-20 | 惠科股份有限公司 | The driving method of the drive circuit of display panel, display device and display panel |
| WO2019134350A1 (en) * | 2018-01-08 | 2019-07-11 | 惠科股份有限公司 | Drive circuit for display panel, display device, drive method, and computer storage medium |
| US11100879B2 (en) | 2018-01-08 | 2021-08-24 | HKC Corporation Limited | Driving circuit of display panel, display apparatus, driving method, and computer storage medium |
| CN109979411A (en) * | 2019-04-29 | 2019-07-05 | 上海天马有机发光显示技术有限公司 | The method for burn-recording and powering method of a kind of display panel, display panel |
Also Published As
| Publication number | Publication date |
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| TWI444962B (en) | 2014-07-11 |
| TW201324480A (en) | 2013-06-16 |
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Application publication date: 20120718 |