CN101944336B - Display device and image adjusting method - Google Patents
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- CN101944336B CN101944336B CN200910151877XA CN200910151877A CN101944336B CN 101944336 B CN101944336 B CN 101944336B CN 200910151877X A CN200910151877X A CN 200910151877XA CN 200910151877 A CN200910151877 A CN 200910151877A CN 101944336 B CN101944336 B CN 101944336B
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Abstract
The invention relates to a display device and an image adjusting method. The display device comprises at least one data line, at least one scanning line and at least one pixel unit. The pixel unit is arranged in a crossed area of the data line and the scanning line, wherein the scanning line is about vertical to the data line, but does not contact the data line. The pixel unit has a first display area and a second display area, and by controlling a display image gray scale value of the first display area and the second display area respectively, the pixel unit has a front view gamma curve, a first side-looking gamma curve envelope and a second side-looking gamma curve envelope. Moreover, the invention also discloses an image adjusting method.
Description
Technical field
The present invention relates to a kind of display device and image regulating method.
Background technology
Generally speaking, the display frame of liquid crystal indicator that human eye is seen is made up of a plurality of pixel cell usually, and wherein each pixel cell can be redness, green or blue pixel unit.In addition, the pixel cell of liquid crystal indicator has corresponding a plurality of liquid crystal molecule, and liquid crystal molecule rotates according to different driving voltages or tilts, and makes light pass through the penetrance difference of each pixel cell, and then produces different GTGs.
When the user when different visual angles is watched liquid crystal indicator; Can perceive colour cast (color shift) problem; The user with face, when the different visual angles of side-looking is observed a pixel cell; The brightness of understanding the sensation side-looking is different from the brightness of facing, and this phenomenon is more obvious when liquid crystal indicator shows the centre GTG.And multiregional vertical align (MVA) is for improving this problem; One of employed method presents two zones in clear zone and dark space for making each pixel cell, promptly uses one to show that the dark space of low GTG cooperates one to show that the clear zone of high gray reaches the effect that makes pixel cell integral body show GTG in the middle of.Because it is comparatively not obvious during GTG that colour cast shows in the middle of non-at pixel cell, and GTG come slightly in the middle of the color offset phenomenon that bright dark space produced that pixel cell shows one high and one low GTG also can be than direct demonstration one.
As shown in Figure 1, wherein a kind of practice of multiregional vertical align is on substrate 11, to form or raised line 12 is set, so that liquid crystal molecule wherein 13 has a pre-dumping direction, that is to say that liquid crystal molecule 13 wherein can not arrange or rotate with same direction.
Please refer again to shown in Figure 2ly, it is the depression angle synoptic diagram of Fig. 1.Fig. 2 is the example explanation with the four-range vertical orientation, and it has different pre-dumping directions to divide into four field of liquid crystals (domain) through raised line 12 liquid crystal molecule 13.In addition, a pixel cell 1 can have the two or more sub-electrodes (not illustrating) that apply different voltages, makes pixel cell 1 can show a clear zone image and a dark space image.
According to above-mentioned aspect, the GTG value that under this structure, is appeared and the relation curve of penetrance are then as shown in Figure 3.Fig. 3 demonstration is faced a gamma curve C11 and a side-looking gamma curve C12 according to above-mentioned aspect resulting.Wherein side-looking gamma curve C12 is made up of the curve of raw video GTG clear zone GTG and dark space GTG.
Yet, being not quite similar according to the needed side-looking effect in different application scenarios, some occasion needs side-looking and faces identical effect, and some occasion possibly reduce the effect of side-looking.Therefore, how to provide a kind of and facing under the constant prerequisite of gamma curve, and can in scope to a certain degree, adjust the display device and the image regulating method of side-looking gamma curve, real one of the current important topic that belongs to.
Summary of the invention
Because above-mentioned problem, the object of the invention is to provide a kind of facing under the constant prerequisite of gamma curve, and can adjust the display device and the image regulating method of side-looking gamma curve.
For reaching above-mentioned purpose, the present invention provides a kind of display device, and it comprises at least one data line, at least one sweep trace and at least one pixel cell.Sweep trace is vertical approximately with data line, and does not contact.Pixel cell is arranged at an interlaced area of data line and sweep trace, and has one first viewing area and one second viewing area.And through controlling a show image GTG value of first viewing area and second viewing area respectively; Make pixel cell have the gamma curve of facing, one first side-looking gamma curve package and one second side-looking gamma curve package; Wherein said pixel cell has one first display mode and one second display mode; The said pixel cell that operates in said first display mode has said gamma curve and the said first side-looking gamma curve package faced, and the said pixel cell that operates in said second display mode has said gamma curve and the said second side-looking gamma curve package faced.
For reaching above-mentioned purpose, the present invention provides a kind of image regulating method, and it is applied to a display device.Display device has at least one data line, at least one sweep trace and at least one pixel cell.Pixel cell has one first viewing area and one second viewing area, and pixel cell has the gamma curve of facing, one first side-looking gamma curve package and one second side-looking gamma curve package.Image regulating method comprises the following steps: selected one first gray-scale areas; Switching pixel cell operates in the first side-looking gamma curve package or operates in the second side-looking gamma curve package; And in the first side-looking gamma curve package or in the second side-looking gamma curve package adjustment one first gamma curve corresponding to the curve in the scope of first gray-scale areas; To produce one second gamma curve; Wherein said pixel cell has one first display mode and one second display mode; The said pixel cell that operates in said first display mode has said gamma curve and the said first side-looking gamma curve package faced, and the said pixel cell that operates in said second display mode has said gamma curve and the said second side-looking gamma curve package faced.
Hold the above; Because of foundation display device of the present invention and image regulating method; Through controlling a show image GTG value of first viewing area and second viewing area respectively, make pixel cell have the gamma curve of facing, one first side-looking gamma curve package and one second side-looking gamma curve package.Display device of the present invention is being faced under the constant prerequisite of gamma curve, and can in scope to a certain degree, adjust a plurality of side-looking gamma curve, with the show image of side-looking effect of adjustment display device.
Description of drawings
Fig. 1 is for showing the synoptic diagram of known display device;
Fig. 2 is the synoptic diagram of a depression angle of displayed map 1;
Fig. 3 is the GTG value of the known display device of demonstration and the graph of relation of penetrance;
Fig. 4 is the synoptic diagram of the display device of the demonstration preferred embodiment of the present invention;
Fig. 5 is the synoptic diagram of the pixel cell of the display device of the demonstration preferred embodiment of the present invention;
Fig. 6 is the GTG value of the pixel cell of the display device of the demonstration preferred embodiment of the present invention and the graph of relation of penetrance;
Fig. 7 is the GTG value of the pixel cell of the display device of the demonstration preferred embodiment of the present invention and another graph of relation of penetrance;
Fig. 8 A and Fig. 8 B are the permutation and combination figure of liquid crystal molecule in the adjacent pixel unit of the display device of the demonstration preferred embodiment of the present invention;
Fig. 9 is the synoptic diagram of the display device of the demonstration preferred embodiment of the present invention;
Figure 10 is the process flow diagram of the image regulating method of the demonstration preferred embodiment of the present invention;
Figure 11 is the GTG distributed number figure of the image data of the display device of the demonstration preferred embodiment of the present invention;
Figure 12 A and Figure 12 B are the synoptic diagram of a side-looking gamma curve of the display device of the demonstration preferred embodiment of the present invention;
Figure 13 A and Figure 13 B are the synoptic diagram of the side-looking gamma curve of display device on the space of the demonstration preferred embodiment of the present invention;
Figure 14 and Figure 15 are another GTG distributed number figure of the image data of the display device of the demonstration preferred embodiment of the present invention; And
Figure 16 A and Figure 16 B are the synoptic diagram of a side-looking gamma curve of the display device of the demonstration preferred embodiment of the present invention.
[main element symbol description]
1,21: pixel cell
11: substrate
12: raised line
13,213,213a, 213b: liquid crystal molecule
2: display device
211: the first viewing areas
212: the second viewing areas
3: the display mode handover module
31: the first storage unit
32: the second storage unit
A: first gray-scale areas
B: zone
C: second gray-scale areas
C
1: control signal
C
2: switching signal
C11, C21: face gamma curve
C12: side-looking gamma curve
C22: the first side-looking gamma curve package
C22a: the first side-looking gamma curve upper limit
C22b: the first side-looking gamma curve lower limit
C23: the second side-looking gamma curve package
C23a: the second side-looking gamma curve upper limit
C23b: the second side-looking gamma curve lower limit
C31: the first side-looking gamma curve
C32: the second side-looking gamma curve
C33: the 3rd side-looking gamma curve
D
11～D
1m: data line
S
11～S
1n: sweep trace
W11～W14: step
Embodiment
Below will display device and image regulating method according to the preferred embodiment of the present invention be described with reference to correlative type.
Please with reference to shown in Figure 4, the display device 2 of the preferred embodiment of the present invention comprises at least one data line, at least one sweep trace and at least one pixel cell.In present embodiment, display device 2 is to comprise a plurality of data line D
11～D
1m, a plurality of sweep trace S
11～S
1nAnd a plurality of pixel cells 21 are the example explanation.Wherein, m and n are the positive integer greater than 1.
Sweep trace S
11～S
1nWith data line D
11～D
1mFor being crisscross arranged, and form a plurality of interlaced area, and each pixel cell 21 is arranged at corresponding interlaced area.On implementing, sweep trace S
11～S
1nWith data line D
11～D
1mThere is not substantial contact, and sweep trace S
11～S
1nWith data line D
11～D
1mBe vertical approximately.
Please with reference to shown in Figure 5, pixel cell 21 can be respectively a red pixel unit, a green pixel unit or a blue pixel unit.Pixel cell 21 has one first viewing area 211 and one second viewing area 212, and respectively through control one of which show image GTG value, and make a corresponding respectively clear zone image and the dark space image of showing in first viewing area 211 and second viewing area 212.In present embodiment, display device 2 has a plurality of liquid crystal molecules 213, and wherein, the liquid crystal molecule 213a of part is positioned at and 211 corresponding positions, first viewing area, and the liquid crystal molecule 213b of part is positioned at and 212 corresponding positions, second viewing area.
In the present embodiment, have one first with first viewing area, 211 corresponding liquid crystal molecule 213a and swing to, swing to and have one second with second viewing area, 212 corresponding liquid crystal molecule 213b.Because liquid crystal molecule 213a is different with swinging to of liquid crystal molecule 213b; Therefore; It is identical that pixel cell 21 possibly appear at positive apparent brightness, but the different situation of side-looking brightness, again via the GTG of adjusting first viewing area 211 and second viewing area 212; Promptly maybe be under the constant situation of the whole positive apparent brightnesses of pixel cell 21, the brightness of adjustment pixel cell 21 under certain side-looking angle.
In the present embodiment, first swing to finger and data line D
11～D
1mBearing of trend be vertical direction approximately, and second swing to and refer to and sweep trace S
11～S
1nBearing of trend be vertical direction approximately.
In addition, pixel cell 21 has one first display mode and one second display mode.When pixel cell 21 operated in first display mode, first viewing area 211 showed a dark space image, and second viewing area 212 shows a clear zone image.When pixel cell 21 operates in second display mode, first viewing area, 211 demonstration clear zone images, and second viewing area, 212 demonstration dark space images.
Below, when pixels illustrated unit 21 was operated in first pattern, the relation curve of its GTG value and penetrance was the example explanation at this with the red pixel unit.Please with reference to shown in Figure 6, when pixel cell 21 operated in first pattern, pixel cell 21 had the gamma curve of facing C21 and one first side-looking gamma curve package C22.In this, the first side-looking gamma curve package C22 has one first side-looking gamma curve upper limit C22a and one first side-looking gamma curve lower limit C22b.In implementing, when the spacing of the first side-looking gamma curve upper limit C22a and the first side-looking gamma curve lower limit C22b is big more, when then being shown in the side-looking angle, the adjustable scope of side-looking gamma curve of display device 2 is bigger.
Below, will specify the first side-looking gamma curve upper limit C22a and the first side-looking gamma curve lower limit C22b.Pixel cell 21 can be through controlling first viewing area 211 and second viewing area 212 respectively in identical time or different time showing clear zone image or show the dark space image, and make pixel cell 21 show arbitrary GTG.In addition, this GTG can pass through the bright darkness of adjustment clear zone image or dark space image, and produces multiple combination to form this GTG.In this combination; A penetration value and a minimal penetration rate value with a maximum; Each GTG (0 rank～255 rank) and corresponding maximum penetration rate value thereof are described out in regular turn; To form the first side-looking gamma curve upper limit C22a, each GTG and corresponding minimal penetration rate value thereof are described out in regular turn, to form the first side-looking gamma curve lower limit C22b.Wherein, the first side-looking gamma curve upper limit C22a and the first side-looking gamma curve lower limit C22b scope of being surrounded promptly is called the first side-looking gamma curve package C22.
Compared to known technology, can find out obviously that by Fig. 6 the first side-looking gamma curve upper limit C22a of present embodiment and the first side-looking gamma curve lower limit C22b have bigger spacing when high gray zone.Therefore, when the side-looking angle, the display device 2 of present embodiment has bigger image setting range in the high gray zone.
Below, in the time of will putting off until some time later bright pixel cell 21 and operate in second pattern, the relation curve of its GTG value and penetrance.Please be simultaneously with reference to shown in Figure 7, when pixel cell 21 operated in second pattern, pixel cell 21 had the gamma curve of facing C21 and one second side-looking gamma curve package C23.In this, the second side-looking gamma curve package C23 has one second side-looking gamma curve upper limit C23a and one second side-looking gamma curve lower limit C23b.In implementing, when the spacing of the second side-looking gamma curve upper limit C23a and the second side-looking gamma curve lower limit C23b is big more, when then being shown in the side-looking angle, the adjustable scope of side-looking gamma curve of display device 2 is bigger.
Below, will specify the second side-looking gamma curve upper limit C23a and the second side-looking gamma curve lower limit C23b.Pixel cell 21 can be through controlling first viewing area 211 and second viewing area 212 respectively in identical time or different time showing clear zone image or show the dark space image, and make pixel cell 21 show arbitrary GTG.In addition, this GTG can pass through the bright darkness of adjustment clear zone image or dark space image, and produces multiple combination to form this GTG.In this combination; A penetration value and a minimal penetration rate value with a maximum; Each GTG (0 rank～255 rank) and corresponding maximum penetration rate value thereof are described out in regular turn; To form the second side-looking gamma curve upper limit C23a, each GTG and corresponding minimal penetration rate value thereof are described out in regular turn, to form the second side-looking gamma curve lower limit C23b.Wherein, the second side-looking gamma curve upper limit C23a and the second side-looking gamma curve lower limit C23b scope of being surrounded promptly is called the second side-looking gamma curve package C23.
Compared to known technology, can find out obviously that by Fig. 7 the second side-looking gamma curve upper limit C23a of present embodiment and the second side-looking gamma curve lower limit C23b have bigger spacing when one hangs down gray-scale areas.Therefore, when the side-looking angle, the display device 2 of present embodiment has bigger image setting range in low gray-scale areas.
In addition, in present embodiment, each the adjacent pixel cell 21 and the permutation and combination of corresponding liquid crystal molecule thereof can be shown in Fig. 8 A and Fig. 8 B, but it is not for restrictive.
Please with reference to shown in Figure 9, the display device 2 of the preferred embodiment of the present invention also comprises a display mode handover module 3.In present embodiment, display device 2 can be a vertical alignment liquid crystal display device or a multiregional vertical align type liquid-crystal apparatus.
Display mode handover module 3 is electrically connected with pixel cell 21; Display mode handover module 3 has one first storage unit 31 and one second storage unit 32; The parameter of first display mode of first storage unit, 31 storage pixel unit 21 wherein, the parameter of second display mode of second storage unit, 32 storage pixel unit 21.
When display mode handover module 3 receives a control signal C
1The time, display mode handover module 3 is according to control signal C
1Read the parameter of first storage unit 31 or second storage unit 32, switch signal C to export one
2 Switching pixel cell 21 is first display mode or second display mode.
When user's desire is adjusted the low gray-scale areas that display frame showed of display device 2, then can pixel cell 21 be switched to second display mode through display mode handover module 3.When the high gray that display frame showed of user's desire adjustment display device 2 is regional, then can pixel cell 21 be switched to first display mode through display mode handover module 3.
Please with reference to shown in Figure 10, the image regulating method of the preferred embodiment of the present invention can be applicable to display device as shown in Figure 92.The image regulating method of present embodiment comprises that step W11 is to step W14.
Step W11 is the GTG distributed number figure of an image data of statistics display device 2.Step W12 is selected one first gray-scale areas.Step W13 operates in the first side-looking gamma curve package C22 or operates in the second side-looking gamma curve package C23 for switching pixel cell 21.Step W14 adjusts one first gamma curve corresponding to the curve in the scope of first gray-scale areas, to produce one second gamma curve in the first side-looking gamma curve package C22 or in the second side-looking gamma curve package C23.
Above-mentioned image regulating method can make the side-looking gamma curve of side-looking angle have bigger setting range the facing under the constant prerequisite of gamma curve of display device 2.By this, display device 2 can be adjusted into image the side-looking gamma curve preferable image quality or be adjusted into relatively poor image quality according to actual demand, and wherein relatively poor image quality can reduce the probability that image data is peeped.Below, the practical operation of the image regulating method of present embodiment will be described with three embodiment.
First embodiment
For the display frame of prevention display device is peeped, in first embodiment, can be through the rate of curve of adjustment side-looking gamma curve, reducing display device, and then reduce the probability that the image data in the display frame is peeped in the contrast at side-looking angle.Please with reference to shown in Figure 11, it is the GTG distributed number figure of the image data of display device 2.In present embodiment, the zone of concentrating with the GTG quantity of selected image data is the first gray-scale areas A explanation.
Hold the above,, therefore, pixel cell 21 is switched to second display mode, and make pixel cell 21 can in the second side-looking gamma curve package C23, adjust its side-looking gamma curve because the first gray-scale areas A is arranged in low grey-scale range.Please refer again to shown in Figure 12 A, the display device 2 of present embodiment shows according to one first side-looking gamma curve C31, and the first side-looking gamma curve C31 is between the second side-looking gamma curve upper limit C23a and the second side-looking gamma curve lower limit C23b.
To reduce image quality is example, shown in Figure 12 B, in the first gray-scale areas A, adjusts the rate of curve of the first side-looking gamma curve C31, and produces one second side-looking gamma curve C32.Wherein, the rate of curve of the second side-looking gamma curve C32 in the first gray-scale areas A be less than the rate of curve of the first side-looking gamma curve C31 in the first gray-scale areas A, and optimal state to be the rate of curve of the second side-looking gamma curve C32 level off to zero.By this, can reduce the contrast of display device 2, and image quality is reduced, to reduce the probability that image data is peeped in the side-looking angle.Simultaneously, those skilled in the art also can add in the display frame of display device 2 and disturb font or warning poster, to disturb or to warn and desire to peep data person.
Second embodiment
For the display frame of prevention display device is peeped; Except the mode of the foregoing description; Second embodiment also can divide into a plurality of zones with display frame, and along with the time changes and adjusts each regional side-looking gamma curve, and make display frame form the effect of mosaic.
In second embodiment, its described first side-looking gamma curve C31 can be GTG value and the relation curve of penetrance of the display frame of display device 2, or can be the GTG value of part display frame and the relation curve of penetrance.
Please with reference to shown in Figure 13 A, on the space, can a plurality of zones be divided in display frame, wherein each regional area can be overlapped.In present embodiment, be the example explanation display frame is divided into 16 zones, wherein, each zone has at least one pixel cell, and shows according to a corresponding side-looking gamma curve.For example, area B shows according to the first side-looking gamma curve C31.In other words, each zone shows according to a side-looking gamma curve respectively, and this side-looking gamma curve can be identical or different.
Yet in present embodiment, and non-limiting each zone all needed to show according to fixing side-looking gamma curve in each time.Shown in Figure 13 A, in a very first time, area B shows according to the first side-looking gamma curve C31.In one second time, the corresponding side-looking gamma curve in each zone can be shown in Figure 13 B, and wherein area B shows according to the second side-looking gamma curve C32.Be noted that the numbering of the different side-looking gamma curve of digitized representation in each zone among Figure 13 A and Figure 13 B at this.
More than, be that a plurality of zones are divided in display frame, to control respectively, below be to control to first viewing area and second viewing area of each pixel cell.Below, will describe with first viewing area of arbitrary pixel cell and the control method of second viewing area.In a very first time, first viewing area shows that according to one first side-looking gamma curve C31 second viewing area shows according to one second side-looking gamma curve C32.In one second time, first viewing area shows that according to one the 3rd side-looking gamma curve second viewing area shows according to one the 4th side-looking gamma curve.In present embodiment, the first side-looking gamma curve can be identical with the 4th side-looking gamma curve, and the second side-looking gamma curve can be identical with the 3rd side-looking gamma curve.
Certainly, also can mix and control, to reach more polynary control combination effect with the above-mentioned notion of controlling respectively with the zone and with the notion that the viewing area is controlled respectively.
The 3rd embodiment
In a gray-scale areas; When the rate of curve of side-looking gamma curve is adjustable when being limited in scope; Then can and cooperate the actuation techniques of dynamic backlight, this gray-scale areas is converted to another gray-scale areas, to improve the adjustable scope of side-looking gamma curve via mapping (mapping) technology.Please with reference to shown in Figure 14, it is the GTG distributed number figure of another image data of display device 2, and its GTG quantity concentrates on the second gray-scale areas C.
Please more simultaneously with reference to shown in Figure 15, Figure 16 A and Figure 16 B; The first side-looking gamma curve C31 is separated less between the side-looking gamma curve bound of the second gray-scale areas C; Therefore, when pixel cell showed in the second gray-scale areas C district, its adjustable side-looking brightness range was also less.Therefore, in present embodiment, the first side-looking gamma curve C31 of the second gray-scale areas C is mapped to one the 3rd side-looking gamma curve C33 of one first gray-scale areas A.At this moment, the 3rd side-looking gamma curve C33 at a distance from bigger, makes that adjustable side-looking brightness range is also bigger between the bound in the first gray-scale areas A district.Like Figure 16 B, in the first gray-scale areas A, the 3rd side-looking gamma curve C33 can in identical face gamma curve C21 constant under, its slope is adjusted into levels off to zero.By this, can reduce the contrast of display device, and image quality is reduced, to reduce the probability that image data is peeped in the side-looking angle.
Simultaneously, adjust a backlight illumination of display device according to the ratio that maps to the first gray-scale areas A by the second gray-scale areas C.When the GTG value of the second gray-scale areas C GTG value greater than the first gray-scale areas A, then reduce the backlight illumination of display device, not show that GTG changes influenced because of shadow to make the overall image display brightness.Relatively, when the GTG value of the second gray-scale areas C GTG value, then improve the backlight illumination of display device less than the first gray-scale areas A.
In sum; According to display device of the present invention and image regulating method; Its first viewing area through pixel cell has and is vertical first approximately with the bearing of trend of data line and swings to; Second viewing area has and is vertical second approximately with the bearing of trend of sweep trace and swings to, and makes a pixel cell have the viewing area of two side-looking gamma curve characteristics.Display device of the present invention is being faced under the constant prerequisite of gamma curve, and can in scope to a certain degree, adjust a plurality of side-looking gamma curve, with the show image of side-looking effect of adjustment display device.Therefore, except being beneficial to the reduction contrast, outside being peeped with the display frame of prevention display device, can also improve contrast, to increase the visible angle of display device.
The above is merely exemplary, but not in order to limit.Can carry out various equivalent modifications or change and not break away from spirit of the present invention and category the present invention, these equivalent modifications or change all should be included in the scope of appended claim.
Claims (18)
1. image regulating method; Be applied to a display device; It has at least one data line, at least one sweep trace and at least one pixel cell; Said pixel cell has one first viewing area and one second viewing area, and said pixel cell has the gamma curve of facing, one first side-looking gamma curve package and one second side-looking gamma curve package, and said image regulating method comprises the following steps:
Selected one first gray-scale areas;
Switching said pixel cell operates in the said first side-looking gamma curve package or operates in the said second side-looking gamma curve package; And
In the said first side-looking gamma curve package or in the said second side-looking gamma curve package adjustment one first gamma curve corresponding to the curve in the scope of said first gray-scale areas, producing one second gamma curve,
Wherein said pixel cell has one first display mode and one second display mode; The said pixel cell that operates in said first display mode has said gamma curve and the said first side-looking gamma curve package faced, and the said pixel cell that operates in said second display mode has said gamma curve and the said second side-looking gamma curve package faced.
2. image regulating method as claimed in claim 1, wherein said first display mode are that said first viewing area shows a dark space image, and said second viewing area shows a clear zone image.
3. image regulating method as claimed in claim 1, wherein said second display mode are that said first viewing area shows a clear zone image, and said second viewing area shows a dark space image.
4. image regulating method as claimed in claim 1, wherein said second gamma curve is little corresponding to the rate of curve of said first gray-scale areas corresponding to more said first gamma curve of the rate of curve of said first gray-scale areas.
5. image regulating method as claimed in claim 4, wherein said second gamma curve levels off to zero corresponding to the rate of curve of said first gray-scale areas.
6. image regulating method as claimed in claim 1, wherein said first gamma curve are a gamma curve of a display frame of said display device.
7. image regulating method as claimed in claim 1, wherein said first gamma curve are a gamma curve of said pixel cell.
8. image regulating method as claimed in claim 1, wherein said first gray-scale areas is got by the mapping of one second gray-scale areas.
9. image regulating method as claimed in claim 8 also comprises a backlight illumination of adjusting said display device according to the ratio that maps to said first gray-scale areas by said second gray-scale areas.
10. display device comprises:
At least one data line;
At least one sweep trace is vertical approximately with said data line, and does not contact; And
At least one pixel cell; Be arranged at an interlaced area of said data line and said sweep trace; And have one first viewing area and one second viewing area; And, make said pixel cell have the gamma curve of facing, one first side-looking gamma curve package and one second side-looking gamma curve package through controlling a show image GTG value of said first viewing area and said second viewing area respectively
Wherein said pixel cell has one first display mode and one second display mode; The said pixel cell that operates in said first display mode has said gamma curve and the said first side-looking gamma curve package faced, and the said pixel cell that operates in said second display mode has said gamma curve and the said second side-looking gamma curve package faced.
11. display device as claimed in claim 10; Wherein having one first with the corresponding a plurality of liquid crystal molecules in said first viewing area swings to; Have one second with the corresponding a plurality of liquid crystal molecules in said second viewing area and swing to, said first swings to and said second swings to and be different direction.
12. display device as claimed in claim 11; Wherein have and be vertical said first approximately with the bearing of trend of said data line and swing to, have with the corresponding said a plurality of liquid crystal molecules in said second viewing area and be vertical said second approximately with the bearing of trend of said sweep trace and swing to the corresponding said a plurality of liquid crystal molecules in said first viewing area.
Show a dark space image 13. display device as claimed in claim 10, wherein said first display mode are said first viewing area, said second viewing area shows a clear zone image.
Show a clear zone image 14. display device as claimed in claim 10, wherein said second display mode are said first viewing area, said second viewing area shows a dark space image.
15. display device as claimed in claim 10 also comprises:
One display mode handover module, switching said pixel cell according to a control signal is said first display mode or said second display mode.
16. display device as claimed in claim 10, wherein in a very first time, said pixel cell shows according to the said first side-looking gamma curve, shows in the said second side-looking gamma curve of one second basis of time.
17. display device as claimed in claim 10; Wherein in a very first time; Said first viewing area shows that according to one first side-looking gamma curve said second viewing area shows according to one second side-looking gamma curve, in one second time; Said first viewing area shows that according to one the 3rd side-looking gamma curve said second viewing area shows according to one the 4th side-looking gamma curve.
18. display device as claimed in claim 17, the wherein said first side-looking gamma curve is identical with said the 4th side-looking gamma curve, and the said second side-looking gamma curve is identical with said the 3rd side-looking gamma curve.
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| CN200910151877XA CN101944336B (en) | 2009-07-03 | 2009-07-03 | Display device and image adjusting method |
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| CN200910151877XA CN101944336B (en) | 2009-07-03 | 2009-07-03 | Display device and image adjusting method |
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| CN101944336B true CN101944336B (en) | 2012-11-21 |
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| CN200910151877XA Expired - Fee Related CN101944336B (en) | 2009-07-03 | 2009-07-03 | Display device and image adjusting method |
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| CN104517576B (en) * | 2014-12-30 | 2016-07-06 | 深圳市华星光电技术有限公司 | A kind of driving method of display panels |
| CN114170976A (en) * | 2021-12-13 | 2022-03-11 | Oppo广东移动通信有限公司 | Display brightness adjusting method and device, electronic equipment and computer readable storage medium |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN1694152A (en) * | 2004-04-30 | 2005-11-09 | 富士通显示技术株式会社 | Liquid crystal display device with improved viewing angle characteristics |
| CN1811891A (en) * | 2005-01-25 | 2006-08-02 | 三星电子株式会社 | Display device and apparatus and method of driving same |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN1694152A (en) * | 2004-04-30 | 2005-11-09 | 富士通显示技术株式会社 | Liquid crystal display device with improved viewing angle characteristics |
| CN1811891A (en) * | 2005-01-25 | 2006-08-02 | 三星电子株式会社 | Display device and apparatus and method of driving same |
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