CN104299576A - Display driving method and device and displayer - Google Patents
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Abstract
The invention relates to the field of liquid crystal display drive and discloses a display driving method and device and a displayer. The method is characterized by obtaining color data of the three primary colors of red R, green G and blue B in each frame of color image; and according to the color data, driving a backlight module according to first-stage subframe color sequences corresponding to each frame of color image so as to display the color image. Resolution and light transmittance of the display are effectively improved.
Description
Technical field
The present invention relates to liquid crystal driving field, particularly relate to a kind of display drive method, device and display.
Background technology
Along with the development of optoelectronic semiconductor technology, in modern people's daily life, producing, liquid crystal display becomes conventional display device.Liquid crystal display comprises display panels and backlight module.Because display panels itself does not have a function of luminescence, therefore configure backlight module and backlight needed for display panels is provided, and then make display panels reach the function of display.
Be illustrated in figure 1 the structural representation of conventional liquid crystal, liquid crystal display comprises backlight module 110 and liquid crystal panel 120, and liquid crystal panel 120 comprises colored filter 121 and electrode glass 122.The backlight that backlight module 103 provides is a white light.Backlight is sent to the colored filter 121 on each location of pixels through electrode glass 122, to show the color of each pixel.Generally speaking, a location of pixels can be arranged red R, green G and blue B tri-colored filters, adopt spacing color mixed, by fully close at conplane correspondence position for three kinds of primary lights, as long as three primary colours luminous points are enough little and fully near, human eye is leaving the color had after three kinds of primary lights mixing will be felt in a distance.
But, the mode using colored filter display frame not only comparatively Expenses Cost, and the display brightness of each pixel can be made dimmed because colored filter transmittance is low.
Summary of the invention
The invention provides a kind of display drive method, device and display, solve conventional liquid crystal high cost, technical matters that colored filter causes transmittance low.
The object of the invention is to be achieved through the following technical solutions:
A kind of display drive method, comprising:
Obtain the color data of red R in every color image frame, green G, blue B three primary colours;
According to described color data, backlight module is driven respectively, with color display, wherein according to the one-level sub-frame color sequence that every color image frame is corresponding, backlight color corresponding to adjacent three one-level subframes is different, and described every color image frame is made up of four one-level subframes.
A kind of display drive apparatus, described device comprises:
Acquisition module, for obtaining the color data of red R in every color image frame, green G, blue B three primary colours;
Backlight drive module, for the described color data obtained according to described acquisition module, backlight module is driven respectively according to the one-level sub-frame color sequence that every color image frame is corresponding, with color display, wherein, backlight color corresponding to adjacent three one-level subframes is different, and described every color image frame is made up of four one-level subframes.
A kind of display, described display comprises backlight module, liquid crystal panel and display drive apparatus, wherein,
Described backlight module comprises red, green, blue three groups of backlights;
Described display drive apparatus is for obtaining the color data of red R in every color image frame, green G, blue B three primary colours; According to described color data, backlight module is driven respectively according to the one-level sub-frame color sequence that every color image frame is corresponding, with color display on described liquid crystal panel, wherein, backlight color corresponding to adjacent three one-level subframes is different, and described every color image frame is made up of four one-level subframes.
By display drive method provided by the invention, device and display, obtain the color data of red R in every color image frame, green G, blue B three primary colours, according to described color data, drive backlight module, with color display according to the one-level sub-frame color sequence that every color image frame is corresponding respectively.Effectively improve resolution and the transmittance of display.
Accompanying drawing explanation
In order to be illustrated more clearly in the embodiment of the present invention or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment below, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is the structural representation of conventional liquid crystal;
A kind of electrical block diagram of liquid crystal display of Fig. 2 for providing in the embodiment of the present invention;
A kind of display drive method process flow diagram of Fig. 3 for providing in the embodiment of the present invention one;
A kind of schematic diagram of display drive method of Fig. 4 for providing in the embodiment of the present invention one;
The another kind of display drive method process flow diagram of Fig. 5 for providing in the embodiment of the present invention two;
The schematic diagram of liquid crystal panel a kind of Region dividing of Fig. 6 A for providing in the embodiment of the present invention two;
Fig. 6 B is the schematic diagram of the another kind of Region dividing of the liquid crystal panel that provides in the embodiment of the present invention two;
A kind of schematic diagram of display drive method of Fig. 7 A for providing in the embodiment of the present invention two;
The schematic diagram of another kind of display drive method of Fig. 7 B for providing in the embodiment of the present invention two;
A kind of display drive apparatus structural representation of Fig. 8 for providing in the embodiment of the present invention three;
A kind of structural representation of liquid crystal display of Fig. 9 for providing in the embodiment of the present invention four.
Embodiment
For enabling above-mentioned purpose of the present invention, feature and advantage become apparent more, and below in conjunction with the drawings and specific embodiments, the present invention is further detailed explanation.
As shown in Figure 2, be the electrical block diagram of liquid crystal display, liquid crystal display comprises backlight module 210 and liquid crystal panel 220, the red, green, blue that backlight module 210 provides three groups of backlights.Drive unit 230 receives coloured image, and control liquid crystal panel 120 and backlight module 210, with color display, in Fig. 2, backlight module 210 can be side entrance back module or direct-injection type backlight module, liquid crystal panel 220 can be high speed TN liquid crystal display, OCB liquid crystal display, PDLC liquid crystal display, FLC liquid crystal display or AFLC liquid crystal display etc.Drive unit 230 comprises control signal circuit for generating, gray scale takes out circuit and row, column drive circuit, after a new frame image signal starts, control signal circuit for generating is under the coordination of system synchronization clock signal, by the R of a color image frame, G, B three-channel parallel digital signal processes by display requirement, one two field picture is divided into multiple one-level subframe shown according to certain color sequences, R is lighted to drive backlight module, G, B tri-groups of backlights, circuit is taken out by R by gray scale, G, grey scale signal in B gives row, column drive circuit, OK, column drive circuit completes "ON" and the "Off" action of each pixel place liquid crystal according to synchronizing clock signals, utilize the visual persistence phenomenon of human eye, thus complete the display of coloured image, such as: in a two field picture, comprise four one-level subframes according to the display of GRBG order, certain pixel request display magenta, control this pixel place liquid crystal "Off" when display first one-level subframe G and the 4th one-level subframe G, the "ON" when display second one-level subframe R and the 3rd one-level subframe B, backlight module 210 how is controlled because the present invention introduces drive unit 230, and go, column drive circuit completes "ON" and the "Off" action of each pixel place liquid crystal according to synchronizing clock signals, to realize different colors in each pixel, relatively easy understand and realization, do not belong to emphasis of the present invention, do not repeat them here.A kind of display drive method will be introduced in detail below, as follows:
Embodiment one
Provide a kind of display drive method in the embodiment of the present invention one, control backlight module 210 for drive unit 230 and introduce this display drive method, as shown in Figure 3, the method comprises the steps:
Step 301, obtain the color data of three primary colours in every color image frame;
Wherein, take three primary colours as R, G, B be example, obtain R, G, B color data of every color image frame, this color data is R, G, B color component data of each pixel color.
Step 302, according to described color data, drive backlight module, with color display according to one-level sub-frame color sequence corresponding to every color image frame respectively;
Wherein, backlight color corresponding to adjacent three one-level subframes is different, described every color image frame is made up of four one-level subframes, the frequency of each one-level subframe is four times of every frame rate, such as: be RGB colour gamut for three primary colours, described one-level sub-frame color sequence is the one in BGRB, GRBG or RBGR three, and every frame rate is 60Hz, the frequency of each one-level subframe is then 240Hz, is equivalent to refresh rate and improves 4 times.A kind of display drive method is provided for illustrating intuitively in the embodiment of the present invention one, the principle of this display drive method is described in Fig. 4, corresponding N color image frame can by B, G, R, B tetra-one-level subframes are synthesized successively, N+1 color image frame can by G, R, B, G tetra-one-level subframes are synthesized successively, N+2 color image frame can by R, B, G, R tetra-one-level subframes are synthesized successively, N+3 color image frame can by B, G, R, B tetra-one-level subframes are synthesized successively, three adjacent one-level subframes can be BGR or GRB or RBG, the backlight of visible three adjacent one-level subframes is different.
The display drive method provided in the embodiment of the present invention one, by obtaining the color data of three primary colours in every color image frame, according to described color data, drive backlight module, with color display according to the one-level sub-frame color sequence that every color image frame is corresponding respectively.Contrast, three red, green, blue sub-pixels show as a pixel by traditional liquid crystal display, and the display drive method that the embodiment of the present invention provides, achieve and each sub-pixel is shown as independent pixel, effectively improve the resolution of liquid crystal display, in addition, eliminate the colored filter in traditional liquid crystal device, effectively improve the transmittance of liquid crystal display.
In addition, during according to the one-level sub-frame color sequence driving backlight module that every color image frame is corresponding, because the random jumping of human eye is looked, or mobile object in tracking picture, make object one-level sub-frame color sequence not drop on retina same point, object edge produces the phenomenon (rainbow effect) of colour field separation to cause human eye visually just can feel.In the embodiment of the present invention one, different by the backlight color limiting adjacent three one-level subframes corresponding, upset the color DISPLAY ORDER between every frame signal, effectively reduce the impact that colour field is separated.
In the embodiment of the present invention one, for Fig. 4, every three frames form a circulation BGRB, GRBG, RBGR, 4 BGR are included in 3 frames, because picture frame frequency is 60Hz, then BGR refreshing frequency becomes 80Hz, the refreshing frequency of BGR three primary colours is increased, contribute to reducing rainbow effect, simultaneously, because primary colours a kind of in each one-level subframe occur twice, so backlight illumination corresponding to these primary colours can reduce half, effectively improve the response speed of these primary colours, such as: in the BGRB of a frame sequence, B is lit twice in two one-level subframes, then the backlight illumination of B can be reduced to half in the frame.
Embodiment two
The embodiment of the present invention two is improved on the basis of embodiment one, further obviates colour field and is separated the impact brought.Provide another kind of display drive method in the embodiment of the present invention two, as shown in Figure 5, the method comprises the steps:
Step 501, obtain the color data of three primary colours in every color image frame;
Step 502, according to described color data, respectively according to the secondary sub-frame color sequence that one-level subframe each in every color image frame is corresponding, drive the backlight module that first area, second area and the 3rd region are corresponding successively, with color display.
Wherein, the backlight module in the present embodiment is divided into 9N sub regions in advance, and every 3N sub regions forms first area, second area and the 3rd region respectively, and the dividing mode in region comprises following two kinds:
The first: be positioned at the capable subregion of 3M+1 and form described first area, be positioned at the capable subregion of 3M+2 and form described second area, be positioned at described 3rd region of subregion composition that 3M+3 is capable, M is integer; Such as the 1st, 4,7,10 ... 3M+1 forms first area, and the 2nd, 5,8,11 ... 3M+2 forms second area, and the 3rd, 6,9,12 ... 3M+3 forms the 3rd region.
The second: 3 groups of mutual non-conterminous N number of subregions form described first area, described second area and described 3rd region respectively.
If the resolution of liquid crystal panel 220 is 1920 × 1080, and picture be divided into 12 × 6(equal 9 × 8, N=8) sub regions, so each subregion has the individual pixel of (1920/12=160) × (1080/6=180).As shown in Figure 6 A and 6 B, liquid crystal panel 220 is divided into 12 × 6 regions,
Wherein, Fig. 6 A is the schematic diagram divided according to first kind of way, 24 sub regions composition first area (showing the region of B in figure) of the 1st row and the 4th row, 24 sub regions composition second area (showing the region of G in figure) of the 2nd row and the 5th row, 24 sub regions composition the 3rd region (showing the region of R in figure) of the 3rd row and the 6th row.Fig. 6 B be according to the second way divide schematic diagram, 3 groups mutually non-conterminous 24 sub regions form described first area (showing the region of B in figure), described second area (showing the region of G in figure) and described 3rd region (showing the region of R in figure) respectively.
Step 502 is in the backlight module process driving first area, second area and the 3rd region corresponding successively, the color that each region is lit in continuous three one-level subframes is different, described one-level subframe is made up of three described secondary subframes, drives the backlight that in described first area, described second area and described 3rd region three corresponding in described secondary subframe.Described secondary sub-frame color sequence can for three primary colours combination in one, such as: the one in BGR, GRB or RBG three.
As shown in Figure 7 A, for the situation of three secondary subframe synthesis one-level subframes according to the first region partitioning method, in figure, grey represents black, this region backlight is not lighted, secondary sub-frame color sequence corresponding to first one-level subframe is BGR, then secondary subframe-1 drives and lights first area for blue, secondary subframe-2 drives lights second area for green, secondary subframe-3 drives lights the 3rd region for red, because human eye vision persists phenomenon, three secondary subframes look and are shown as an one-level subframe.The color be lit in continuous three one-level subframes due to each region is different, correspondingly, secondary sub-frame color sequence corresponding to second one-level subframe is GRB, then secondary subframe-1 drives and lights first area for green, secondary subframe-2 drives lights second area for red, and secondary subframe-3 drives lights the 3rd region for blue; Secondary sub-frame color sequence corresponding to the 3rd one-level subframe is RBG, then secondary subframe-1 drives and lights first area for red, and secondary subframe-2 drives lights second area for blue, and secondary subframe-3 drives lights the 3rd region for green; Secondary sub-frame color sequence corresponding to the 4th one-level subframe is BGR, then secondary subframe-1 drives and lights first area for blue, secondary subframe-2 drives lights second area for green, secondary subframe-3 drives lights the 3rd region for red, so far a color image frame display is complete, every color image frame display mode is similar later, does not repeat them here.
As shown in Figure 7 B, for the situation of three secondary subframe synthesis one-level subframes according to the second region partitioning method, in figure, grey represents black, this region backlight is not lighted, secondary sub-frame color sequence corresponding to first one-level subframe is BGR, then secondary subframe-1 drives and lights first area for blue, secondary subframe-2 drives lights second area for green, secondary subframe-3 drives lights the 3rd region for red, because human eye vision persists phenomenon, three secondary subframes look and are shown as an one-level subframe.The color be lit in continuous three one-level subframes due to each region is different, correspondingly, secondary sub-frame color sequence corresponding to second one-level subframe is GRB, then secondary subframe-1 drives and lights first area for green, secondary subframe-2 drives lights second area for red, and secondary subframe-3 drives lights the 3rd region for blue; Secondary sub-frame color sequence corresponding to the 3rd one-level subframe is RBG, then secondary subframe-1 drives and lights first area for red, and secondary subframe-2 drives lights second area for blue, and secondary subframe-3 drives lights the 3rd region for green; Secondary sub-frame color sequence corresponding to the 4th one-level subframe is BGR, then secondary subframe-1 drives and lights first area for blue, secondary subframe-2 drives lights second area for green, secondary subframe-3 drives lights the 3rd region for red, so far a color image frame display is complete, every color image frame display mode is similar later, does not repeat them here.
Impact is separated in order to reduce colour field further, the color that each region of step 502 is lit in continuous three one-level subframes is different, described one-level subframe is made up of three described secondary subframes, every frame is made up of 12 secondary subframes, then the frequency of secondary subframe is 12 times of every frame rate, and the refresh rate being equivalent to each region improves 12 times, correspondingly, the backlight that in display unit described in each secondary sub-frame drive, a region is corresponding, other region is black.Described secondary sub-frame color sequence is the one in three primary colours combination, such as, one in BGR, GRB or RBG three.
The display drive method provided in the embodiment of the present invention two, by obtaining the color data of three primary colours in every color image frame, according to described color data, respectively according to the secondary sub-frame color sequence that one-level subframe each in every color image frame is corresponding, drive the backlight module that first area, second area and the 3rd region are corresponding successively, with color display.On the transmittance basis that effectively improve liquid crystal display, reduce further the impact that colour field is separated.
Embodiment three
The embodiment of the present invention three provides a kind of display drive apparatus, and as shown in Figure 8, described device comprises:
Acquisition module 810, for obtaining the color data of red R in every color image frame, green G, blue B three primary colours;
Backlight drive module 820, for the described color data obtained according to described acquisition module 810, backlight module is driven respectively according to the one-level sub-frame color sequence that every color image frame is corresponding, with color display, wherein, backlight color corresponding to adjacent three one-level subframes is different, and described every color image frame is made up of four one-level subframes.
Correspondingly, described device can also comprise memory module 830, and for storing described one-level sub-frame color sequence, described one-level sub-frame color sequence is the one in BGRB, GRBG or RBGR three.
When described backlight module is divided into 9N sub regions, the described color data of described backlight drive module 820 specifically for obtaining according to described acquisition module 810, respectively according to the secondary sub-frame color sequence that one-level subframe each in every color image frame is corresponding, drive first area successively, backlight module corresponding to second area and the 3rd region, wherein, described first area, described second area and described 3rd region comprise 3N sub regions respectively, described first area, the building form in described second area and described 3rd region comprises: be positioned at the capable subregion of 3M+1 and form described first area, be positioned at the capable subregion of 3M+2 and form described second area, be positioned at described 3rd region of subregion composition that 3M+3 is capable, M is integer, or 3 groups of mutual non-conterminous N number of subregions form described first area, described second area and described 3rd region respectively, the color that each region is lit in continuous three one-level subframes is different, described one-level subframe is made up of three described secondary subframes, drives the backlight that in described first area, described second area and described 3rd region three corresponding in described secondary subframe.
Correspondingly, described memory module 830 is for storing described secondary sub-frame color sequence, and described secondary sub-frame color sequence is the one in BGR, GRB or RBG three.
Embodiment four
The embodiment of the present invention four provides a kind of display, and as shown in Figure 8, described display comprises backlight module 910, liquid crystal panel 920 and display drive apparatus 930, wherein,
Described backlight module 910 comprises red, green, blue three groups of backlights;
Described display drive apparatus 930 is for obtaining the color data of red R in every color image frame, green G, blue B three primary colours; According to described color data, backlight module is driven respectively according to the one-level sub-frame color sequence that every color image frame is corresponding, with color display on described liquid crystal panel 920, wherein, backlight color corresponding to adjacent three one-level subframes is different, and described every color image frame is made up of four one-level subframes.
Wherein, described backlight module can be divided into 9N sub regions, described first area, described second area and described 3rd region comprise 3N sub regions respectively, the building form in described first area, described second area and described 3rd region comprises: be positioned at the capable subregion of 3M+1 and form described first area, be positioned at the capable subregion of 3M+2 and form described second area, be positioned at described 3rd region of subregion composition that 3M+3 is capable, M is integer; Or 3 groups of mutual non-conterminous N number of subregions form described first area, described second area and described 3rd region respectively; Correspondingly, described display drive apparatus 930 is specifically for obtaining the color data of red R in every color image frame, green G, blue B three primary colours; According to the described color data that described acquisition module obtains, respectively according to the secondary sub-frame color sequence that one-level subframe each in every color image frame is corresponding, drive the backlight module that first area, second area and the 3rd region are corresponding successively, wherein, the color that each region is lit in continuous three one-level subframes is different, described one-level subframe is made up of three described secondary subframes, drives the backlight that in described first area, described second area and described 3rd region three corresponding in described secondary subframe.
Through the above description of the embodiments, those skilled in the art can be well understood to the mode that the present invention can add required hardware platform by software and realize, can certainly all be implemented by hardware, but in a lot of situation, the former is better embodiment.Based on such understanding, what technical scheme of the present invention contributed to background technology can embody with the form of software product in whole or in part, this computer software product can be stored in storage medium, as ROM/RAM, magnetic disc, CD etc., comprising some instructions in order to make a computer equipment (can be personal computer, server, or the network equipment etc.) perform the method described in some part of each embodiment of the present invention or embodiment.
Above to invention has been detailed introduction, applying specific case herein and setting forth principle of the present invention and embodiment, the explanation of above embodiment just understands method of the present invention and core concept thereof for helping; Meanwhile, for one of ordinary skill in the art, according to thought of the present invention, all will change in specific embodiments and applications, in sum, this description should not be construed as limitation of the present invention.
Claims (10)
1. a display drive method, is characterized in that, comprising:
Obtain the color data of red R in every color image frame, green G, blue B three primary colours;
According to described color data, backlight module is driven respectively, with color display, wherein according to the one-level sub-frame color sequence that every color image frame is corresponding, backlight color corresponding to adjacent three one-level subframes is different, and described every color image frame is made up of four one-level subframes.
2. method according to claim 1, is characterized in that, described one-level sub-frame color sequence is the one in BGRB, GRBG or RBGR three.
3. method according to claim 1, is characterized in that, described backlight module is divided into 9N sub regions, and every 3N sub regions forms first area, second area and the 3rd region respectively, and building form comprises:
Be positioned at the capable subregion of 3M+1 and form described first area, be positioned at the capable subregion of 3M+2 and form described second area, be positioned at described 3rd region of subregion composition that 3M+3 is capable, M is integer; Or 3 groups of mutual non-conterminous N number of subregions form described first area, described second area and described 3rd region respectively;
Described according to described color data, drive described backlight module according to the one-level sub-frame color sequence that every color image frame is corresponding respectively, comprising:
Respectively according to the secondary sub-frame color sequence that one-level subframe each in every color image frame is corresponding, drive the backlight module that first area, second area and the 3rd region are corresponding successively, wherein, the color that each region is lit in continuous three one-level subframes is different, described one-level subframe is made up of three described secondary subframes, drives the backlight that in described first area, described second area and described 3rd region three corresponding in described secondary subframe.
4. method according to claim 3, is characterized in that, described secondary sub-frame color sequence is the one in BGR, GRB or RBG three.
5. a display drive apparatus, is characterized in that, described device comprises:
Acquisition module, for obtaining the color data of red R in every color image frame, green G, blue B three primary colours;
Backlight drive module, for the described color data obtained according to described acquisition module, backlight module is driven respectively according to the one-level sub-frame color sequence that every color image frame is corresponding, with color display, wherein, backlight color corresponding to adjacent three one-level subframes is different, and described every color image frame is made up of four one-level subframes.
6. device according to claim 5, is characterized in that, described device also comprises memory module, and for storing described one-level sub-frame color sequence, described one-level sub-frame color sequence is the one in BGRB, GRBG or RBGR three.
7. device according to claim 5, it is characterized in that, when described backlight module is divided into 9N sub regions, described backlight drive module is specifically for respectively according to the secondary sub-frame color sequence that one-level subframe each in every color image frame is corresponding, drive first area successively, backlight module corresponding to second area and the 3rd region, wherein, described first area, described second area and described 3rd region comprise 3N sub regions respectively, described first area, the building form in described second area and described 3rd region comprises: be positioned at the capable subregion of 3M+1 and form described first area, be positioned at the capable subregion of 3M+2 and form described second area, be positioned at described 3rd region of subregion composition that 3M+3 is capable, M is integer, or 3 groups of mutual non-conterminous N number of subregions form described first area, described second area and described 3rd region respectively, the color that each region is lit in continuous three one-level subframes is different, described one-level subframe is made up of three described secondary subframes, drives the backlight that in described first area, described second area and described 3rd region three corresponding in described secondary subframe.
8. device according to claim 7, is characterized in that, described memory module is specifically for storing described secondary sub-frame color sequence, and described secondary sub-frame color sequence is the one in BGR, GRB or RBG three.
9. a display, is characterized in that, described display comprises backlight module, liquid crystal panel and display drive apparatus, wherein,
Described backlight module comprises red, green, blue three groups of backlights;
Described display drive apparatus is for obtaining the color data of red R in every color image frame, green G, blue B three primary colours; According to described color data, backlight module is driven respectively according to the one-level sub-frame color sequence that every color image frame is corresponding, with color display on described liquid crystal panel, wherein, backlight color corresponding to adjacent three one-level subframes is different, and described every color image frame is made up of four one-level subframes.
10. display according to claim 9, it is characterized in that, described backlight module is divided into 9N sub regions, described first area, described second area and described 3rd region comprise 3N sub regions respectively, the building form in described first area, described second area and described 3rd region comprises: be positioned at the capable subregion of 3M+1 and form described first area, be positioned at the capable subregion of 3M+2 and form described second area, be positioned at described 3rd region of subregion composition that 3M+3 is capable, M is integer; Or 3 groups of mutual non-conterminous N number of subregions form described first area, described second area and described 3rd region respectively;
Described display drive apparatus is specifically for obtaining the color data of red R in every color image frame, green G, blue B three primary colours; According to the described color data that described acquisition module obtains, respectively according to the secondary sub-frame color sequence that one-level subframe each in every color image frame is corresponding, drive the backlight module that first area, second area and the 3rd region are corresponding successively, wherein, the color that each region is lit in continuous three one-level subframes is different, described one-level subframe is made up of three described secondary subframes, drives the backlight that in described first area, described second area and described 3rd region three corresponding in described secondary subframe.
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| CN107871478A (en) * | 2017-12-26 | 2018-04-03 | 深圳Tcl新技术有限公司 | Drive circuit, method and the display device of display module |
| CN109509436A (en) * | 2018-12-11 | 2019-03-22 | 惠科股份有限公司 | A kind of driving method of display panel, driving device and display device |
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| CN107578738A (en) * | 2017-09-12 | 2018-01-12 | 维沃移动通信有限公司 | A kind of display driver circuit, method and mobile terminal |
| CN107871478A (en) * | 2017-12-26 | 2018-04-03 | 深圳Tcl新技术有限公司 | Drive circuit, method and the display device of display module |
| CN109509436A (en) * | 2018-12-11 | 2019-03-22 | 惠科股份有限公司 | A kind of driving method of display panel, driving device and display device |
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| CN104299576B (en) | 2017-12-15 |
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