CN104409052B - 3D display backlight module and control method, 3D display device - Google Patents
3D display backlight module and control method, 3D display device Download PDFInfo
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- CN104409052B CN104409052B CN201410768387.5A CN201410768387A CN104409052B CN 104409052 B CN104409052 B CN 104409052B CN 201410768387 A CN201410768387 A CN 201410768387A CN 104409052 B CN104409052 B CN 104409052B
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Abstract
The present invention provides a kind of 3D display backlight module and control method, 3D display device, this 3D display backlight module includes at least one backlight area, described backlight area includes the first sub-backlight area and the second sub-backlight area being arranged in order, first sub-backlight area and the second sub-backlight area include the sub-back light unit of at least two respectively, the first sub-back light unit in first sub-backlight area and the first corresponding sub-back light unit in the second sub-backlight area have public adjacent side, the length direction that bearing of trend is sub-back light unit of described public adjacent side, wherein the width sum of the width of the first sub-back light unit back light unit corresponding with first is less than or equal to the width of other arbitrary sub-back light units in the first sub-backlight area and the second sub-backlight area.This backlight module can be applicable to oversize 3D display, the degree that when alleviating 3D display, the zone line of generation is shinny, thus improves the picture quality that 3D shows.
Description
Technical field
The present invention relates to technical field of liquid crystal display, refer in particular to a kind of 3D display backlight module and control method, 3D shows
Showing device.
Background technology
In display field, the flat faced display of ultrahigh resolution and oversize is the focus of each competition, but with
Improving constantly of resolution and show the growing market demand with 3D, the required data transmitted and process of panel drive circuit
Measuring the hugest, on the panel of oversize, transmission range is the longest simultaneously, and the signal integrity being therefore faced with sternness is asked
Topic.
Based on the problems referred to above, at present for oversize and ultrahigh resolution display floater, as resolution be 3840 ×
2160, refresh rate is the 3D display floater of 120Hz, occurs in that displaying principle based on splicing, but owing to have employed tiled display
Principle, the scanning direction of panel is sometimes for being changed to the upper and lower mode to entering or deviate from up and down, and backlight module during 3D display
Scanning direction also must be corresponding with the scanning direction of display floater, use up and down to when entering or deviate from up and down, if Fig. 1 is existing
The partitioned mode structure of technology backlight module, when 3D shows, the zone line of synchronization backlight module has two subregions to open
Open, big compared to other regions of brightness, therefore the phenomenon that zone line turns white occurs, has a strong impact on picture quality.
Summary of the invention
More than based on, the present invention provides a kind of 3D display backlight module and control method, 3D display device, it is possible to be applicable to
Oversize 3D display, the degree that when alleviating 3D display, the zone line of generation is shinny, thus improve the picture product that 3D shows
Matter.
The present invention provides a kind of 3D display backlight module, and including at least one backlight area, described backlight area includes depending on
First sub-backlight area of secondary arrangement and the second sub-backlight area, described first sub-backlight area and described second sub-backlight area
Including the sub-back light unit of at least two respectively, the orientation of each described sub-back light unit is identical, described first sub-backlight area
In the first sub-back light unit and the first corresponding sub-back light unit in described second sub-backlight area there is public adjacent side, institute
State the length direction that bearing of trend is described sub-back light unit of public adjacent side, the width of wherein said first sub-back light unit
With the width sum of described first corresponding sub-back light unit less than or equal to described first sub-backlight area and described second son
The width of other arbitrary sub-back light units in backlight area.
Preferably, 3D display backlight module described above, wherein said first sub-backlight area neutron back light unit
Number is identical with the number of described second sub-backlight area neutron back light unit, and described first sub-backlight area and described second
In sub-backlight area, each sub-back light unit in addition to described first sub-back light unit and described first corresponding sub-back light unit is equal
There is the first width.
Preferably, 3D display backlight module described above, described first sub-back light unit and the described first corresponding son back of the body
The width sum of light unit is equal to described first width.
Preferably, 3D display backlight module described above, the width of described first sub-back light unit is equal to described first
The width of corresponding sub-back light unit.
The present invention also provides for a kind of control method using 3D display backlight module described above, wherein said control method
Including:
In the display time s of a two field picture, in described first sub-backlight area, each sub-back light unit is lighted successively；
Simultaneously in the display time s of a two field picture, in described second sub-backlight area, each sub-back light unit point successively
Bright, and described first sub-back light unit and described first corresponding sub-back light unit are for light simultaneously.
Preferably, control method described above, in described first sub-backlight area, from described first sub-back light unit
Rising, to the direction away from described first sub-back light unit, each sub-back light unit is lighted successively；In described second sub-backlight area
In, from described first corresponding sub-back light unit, to the direction away from described first corresponding sub-back light unit, each sub-back light unit
Light successively.
Preferably, control method described above, in described first sub-backlight area, from apart from described first sub-backlight
The farthest sub-back light unit in edge of unit rises, to the direction near described first sub-back light unit, each sub-back light unit point successively
Bright；In described second sub-backlight area, from the edge back light unit farthest apart from described first corresponding sub-back light unit,
To the direction near described first corresponding sub-back light unit, each sub-back light unit is lighted successively.
Preferably, control method described above, in described control method, described first sub-backlight area and described second
Sub-backlight area is lighted about two sub-back light units that described public adjacent side is symmetrical simultaneously and lighting time t is identical,
Wherein said lighting time t is:
S is the display time of a two field picture；N is difference in described first sub-backlight area and described second sub-backlight area
Including the number of sub-back light unit.
Preferably, control method described above, in described first sub-backlight area and described second sub-backlight area, its
In a sub-back light unit light after adjacent previous sub-back light unit lights T time, wherein T is less than t.
Preferably, control method described above, described first sub-back light unit and described first corresponding sub-back light unit
Lighting time identical, less than the point of other sub-back light units in described first sub-backlight area and described second sub-backlight area
The bright time.
Preferably, control method described above, described first sub-back light unit and described first corresponding sub-back light unit
The driving voltage lighted is identical, less than other sub-back light units in described first sub-backlight area and described second sub-backlight area
The driving voltage lighted.
The present invention also provides for a kind of 3D display device, including display floater, the most also includes the 3D as above described in any one
Display backlight module, wherein said display floater includes the viewing area corresponding with each described backlight area of described backlight module
Territory.
At least one in specific embodiment of the invention technique scheme has the advantages that
3D display backlight module described in the embodiment of the present invention, compared to prior art, by the first sub-backlight area and second
The reduced width of adjacent two sub-back light units of sub-backlight area, make the width sum of two sub-back light units less than or etc.
The width of other arbitrary sub-back light units in the first sub-backlight area and the second sub-backlight area, so when using to scanning
Or the scan mode deviated from mutually is when lighting, open, at the corresponding sub-back light unit of the first sub-back light unit and first, the feelings lighted simultaneously
Under condition, it is consistent or less that width opens, with other subregions, the width lighted, and the brightness therefore lighted also is lighted with other subregions
Brightness is consistent or slightly lower, thus reaches the effect of the shinny degree of zone line produced when alleviating 3D display.
Accompanying drawing explanation
Fig. 1 represents the partitioned organization schematic diagram of prior art 3D display backlight module；
Fig. 2 represents the partitioned organization schematic diagram of 3D display backlight module described in first embodiment of the invention；
Fig. 3 represents the partitioned organization schematic diagram of 3D display backlight module described in second embodiment of the invention；
Fig. 4 is to represent to use control method described in the embodiment of the present invention, the partitioned organization of 3D display backlight module with light
The corresponding relation figure of time.
Detailed description of the invention
For making the object, technical solutions and advantages of the present invention clearer, the most right
The present invention is described in detail.
3D display backlight module described in the specific embodiment of the invention, including at least one backlight area, wherein said backlight
Region includes the first sub-backlight area and the second sub-backlight area that at least two is arranged in order, described first sub-backlight area and
Described second sub-backlight area includes the sub-back light unit of at least two respectively, and the orientation of each sub-back light unit is identical, first
The first sub-back light unit in sub-backlight area and the first corresponding sub-back light unit in the second sub-backlight area have public neighbour
Edge fit, the length direction that bearing of trend is sub-back light unit of described public adjacent side, wherein said first sub-back light unit
Width and the width sum of described first corresponding sub-back light unit are less than or equal to described first sub-backlight area and described the
The width of other arbitrary sub-back light units in two sub-backlight area.
The described 3D display backlight module of above-described embodiment, compared to prior art, by the first sub-backlight area and second
Adjacent two sub-back light units of sub-backlight area, namely the width contracting of the first sub-back light unit and the second corresponding sub-back light unit
Little, make the width sum of two sub-back light units be less than or equal in the first sub-backlight area and the second sub-backlight area other
The width of arbitrary sub-back light unit, so when using when lighting to the mode of scanning, right at the first sub-back light unit and second
Should be in the case of sub-back light unit to open simultaneously and light, the width that width is lighted with the unlatching of other subregions is consistent or less, therefore
The brightness lighted is also consistent with the brightness that other subregions are lighted or slightly lower, thus reaches the zone line produced when alleviating 3D display
The effect of shinny degree.
Preferably, the number of described first sub-backlight area neutron back light unit and the described second sub-backlight area neutron back of the body
The number of light unit is identical, each sub-back light unit in described first sub-backlight area, in addition to described first sub-back light unit
It is respectively provided with the first width；Each sub-backlight list in described second sub-backlight area, in addition to described first corresponding sub-back light unit
Unit is also respectively provided with the first width.
Fig. 2 is the partitioned organization schematic diagram of 3D display backlight module described in first embodiment of the invention.Refering to shown in Fig. 2,
In the first embodiment, described 3D display backlight module includes a backlight area, including two sub-backlight area, namely first
Sub-backlight area 10 and the second sub-backlight area 20, wherein the first sub-backlight area 10 is wrapped in the second sub-backlight area 20 respectively
Include eight sub-back light units being arranged in order, respectively by being arranged in order from top to bottom, and the first sub-backlight area 10 and the second son
The orientation of eight sub-back light units in backlight area 20 is identical, and length direction is horizontal direction.
In conjunction with Fig. 2, in the first embodiment, the first sub-backlight area 10 includes sub-back light unit 11 (the first sub-backlight list
Unit), the second sub-backlight area 20 includes sub-back light unit 21 (the first corresponding sub-back light unit), its neutron back light unit 11 and son
Back light unit 21 is respectively the first sub-backlight area 10 and adjacent two sub-back light units of the second sub-backlight area 20, has public affairs
Common adjacency edge fit 1, and the length direction that the bearing of trend of public adjacent side 1 is sub-back light unit.
It addition, in the first sub-backlight area 10, in addition to described sub-back light unit 11, it is wide that each sub-back light unit has first
Degree；In second sub-backlight area 20, in addition to described sub-back light unit 21, each sub-back light unit has the second width.The present invention
In one embodiment, described first width is equal to the second width, namely in whole backlight module, except sub-back light unit 11 and the son back of the body
Outside light unit 21, the width of each sub-back light unit is equal.
Further, in first embodiment of the invention, sub-back light unit 11 is equal to it with the width sum of sub-back light unit 21
The width of his a sub-back light unit, and more preferably, the width of described sub-back light unit 11 is equal to described sub-back light unit 21
Width, namely the width of the width of sub-back light unit 11 and described sub-back light unit 21 is respectively equal to the width of other sub-back light units
/ 2nd of degree.
3D display backlight module based on structure shown in Fig. 2, can use the upper and lower side to entering to 3D display backlight module
Formula is scanned, and when making each subregion of backlight module light, sub-back light unit 11 and sub-back light unit 21 are opened simultaneously and lighted, wide
Spending consistent with the width that the unlatching of other subregions is lighted, the brightness therefore lighted is also consistent with the brightness that other subregions are lighted, will not
Occur that prior art is consistent due to the width of each sub-back light unit, the twice that width is other subregions to making zone line light,
Cause the problem that brightness is too high；In like manner, when use deviate from up and down mode be scanned time, by the sub-backlight list in the middle of backlight area
Unit opens and lights, then makes the sub-back light unit at edge light successively, the sub-back light unit 11 of zone line and sub-back light unit 21
Open simultaneously and light, reach width equally and open, with other subregions, the effect that the width lighted is consistent.
It will be understood by those skilled in the art that the partitioned organization of the backlight module using the principle of the invention is not limited to only shape
Become form shown in Fig. 2, such as, for oversize 3D display, be not limited to only include a backlight area.
Fig. 3 show the partitioned organization schematic diagram of backlight module described in second embodiment of the invention.In a second embodiment,
Described backlight module includes two backlight area, namely first sub-backlight area the 10, second sub-backlight of sub-backlight area the 20, the 3rd
Region 30 and the 4th sub-backlight area 40, the orientation of the most each sub-backlight area neutron back light unit is identical, length direction
For horizontal direction.
In a second embodiment, the sub-back light unit 11 of the first sub-backlight area 10 and the son of the second sub-backlight area 20 are carried on the back
Light unit 21 is adjacent, has public adjacent side 1；The sub-back light unit 31 of the 3rd sub-backlight area 30 and the 4th sub-backlight area 40
Sub-back light unit 41 adjacent, there is public adjacent side 2；The length direction of the most public adjacent side 1 and public adjacent side 2 is respectively
Length direction for sub-back light unit.
Further, in backlight module described in the second embodiment, except the first sub-backlight area 10 sub-back light unit 11,
The sub-back light unit 31 of the sub-backlight area 30 of sub-back light unit the 21, the 3rd of two sub-backlight area 20 and the 4th sub-backlight area 40
Sub-back light unit 41 outside, the width of each sub-back light unit is equal, is a；And sub-back light unit 11 and sub-back light unit 21
Width sum is a, and sub-back light unit 31 is a with the width sum of sub-back light unit 41；It is preferred that sub-back light unit 11, the sub-back of the body
Light unit 21, sub-back light unit 31 are respectively a/2 value with the width of sub-back light unit 41.
When using the 3D display backlight module of partitioned organization shown in above-mentioned Fig. 3, controlling the 3D each subregion of display backlight module
When lighting, it is also adopted by the most upper and lower mode to entering, namely to first sub-backlight area the 10, second sub-backlight area 20
The combination zone constituted carries out upper and lower to entering scanning, is constituted the 3rd sub-backlight area 40 of sub-backlight area the 30, the 4th
Combination zone carries out upper and lower to entering scanning.
It will be understood by those skilled in the art that in addition to employing is upper and lower to entering the mode scanned, backlight mould of the present invention
Group, it would however also be possible to employ the upper and lower scan mode deviated from.
Identical with first embodiment, 3D display backlight module upper and lower can be scanned in the way of entering to use, make 3D
When each subregion of display backlight module is lighted, it is positioned at sub-back light unit 11 and sub-back light unit 21 opening point simultaneously of zone line
Bright, be positioned at the sub-back light unit 31 of zone line simultaneously and open with sub-back light unit 41 simultaneously and light, and the width lighted and its
His subregion opens the width lighted unanimously, and the brightness therefore lighted is also consistent with the brightness that other subregions are lighted, and does not haves existing
There is technology consistent due to the width of each sub-back light unit, the twice that width is other subregions to making zone line light, causes bright
Spend high problem.
The partitioned organization of 3D display backlight module, the only principle of the invention described in above-mentioned first embodiment and the second embodiment
Citing, in concrete 3D display, the subregion of backlight module is not limited to only include these two kinds, and those skilled in the art can root
Make various deformation according to the principle of the invention, if make the width sum of the adjacent sub-back light unit of adjacent backlight area less than or
Equal to the width of other arbitrary sub-back light units, within being all covered by protection scope of the present invention.
Another aspect of the present invention also provides for a kind of control method using above-mentioned 3D display backlight module, with backlight module bag
As a example by including the first sub-backlight area and the second sub-backlight area, specifically, this control method includes:
In the display time s of a two field picture, in described first sub-backlight area, each sub-back light unit is lighted successively；
Simultaneously in the display time s of a two field picture, in described second sub-backlight area, each sub-back light unit point successively
Bright, and described first sub-back light unit and described first corresponding sub-back light unit are for light simultaneously.
Preferably, described first sub-backlight area is relative about described public adjacent side with in described second sub-backlight area
Two the sub-back light units claimed are lighted simultaneously.
Using the control method of backlight module described in the embodiment of the present invention, backlight module uses up and down to entering or deviating from up and down
Mode be scanned lighting, in synchronization, public about adjacent two backlight area of the some bright area of backlight module
Adjacent side is symmetrical.
Specifically, in conjunction with Fig. 2, in above-mentioned control method, in described first sub-backlight area, from described first sub-backlight
Unit rises, and to the direction away from described first sub-back light unit, each sub-back light unit is lighted successively；In described second sub-backlight district
In territory, from described first corresponding sub-back light unit, to the direction away from described first corresponding sub-back light unit, each sub-backlight list
Unit lights successively, is formed as the upper and lower scan mode deviated from；
Or in above-mentioned control method, in described first sub-backlight area, from apart from described first sub-back light unit
The sub-back light unit in farthest edge rises, and to the direction near described first sub-back light unit, each sub-back light unit is lighted successively；?
In described second sub-backlight area, from the edge back light unit farthest apart from described first corresponding sub-back light unit, to leaning on
The direction of the most described first corresponding sub-back light unit, each sub-back light unit is lighted successively, is formed as up and down to the scan mode entered.
It addition, described scheduled time s is display floater one two field picture show time, namely time of showing of a two field picture in
Complete the scanning once to backlight module.
Below in conjunction with the backlight module of partitioned organization shown in Fig. 2, the upper and lower mode to entering is used to sweep backlight module
Retouching, the control method making each subregion of backlight module light is described in detail.
Use the backlight module of partitioned organization shown in Fig. 2, in conjunction with Fig. 2 and above description, the first sub-backlight area 10
The number of neutron back light unit is identical with the number of the second sub-backlight area 20 neutron back light unit, namely respectively eight, and
Sub-back light unit in first sub-backlight area 10 and the sub-back light unit in described second sub-backlight area 20 are about described public affairs
Common adjacency edge fit 1 is symmetrical.Use control method described in the embodiment of the present invention, the first sub-backlight area 10 and the second sub-backlight area 20
In two symmetrical sub-back light units light simultaneously.
That is, control method described in the employing embodiment of the present invention, within a two field picture shows time s, in the first sub-backlight
In region 10, light successively to sub-back light unit 11, each sub-back light unit from sub-back light unit 12 (the second sub-back light unit), and
Sub-back light unit 12 is the sub-back light unit that the first sub-backlight area 10 middle-range ion back light unit 11 is farthest；Show at a two field picture
In showing time s, in the second sub-backlight area 20, from sub-back light unit 22 (the second corresponding sub-back light unit) to sub-back light unit
21, each sub-back light unit is lighted successively, and sub-back light unit 22 be the second sub-backlight area 20 middle-range ion back light unit 21
Remote sub-back light unit；And simultaneously, two sub-backlights symmetrical in the first sub-backlight area 10 and the second sub-backlight area 20
Unit is lighted simultaneously.Such as, the sub-back light unit 12 of the first sub-backlight area 10 and the sub-backlight list of the second sub-backlight area 20
Unit 22 lights simultaneously；The sub-back light unit 13 of the first sub-backlight area 10 and the sub-back light unit 23 of the second sub-backlight area are simultaneously
Light, the like, the sub-back light unit 11 of the first sub-backlight area 10 and the sub-back light unit 21 of the second sub-backlight area are same
Time light.
Further, in above-mentioned control method, phase in described first sub-backlight area 10 and described second sub-backlight area 20
The lighting time t of two symmetrical sub-back light units is identical, and wherein said lighting time t is:
S is the display time of a two field picture；N is by being wrapped in described first sub-backlight area and described second sub-backlight area
The number of the sub-back light unit included.
Fig. 4 uses control method described in the embodiment of the present invention for representing, the partitioned organization of backlight module and lighting time
Corresponding relation figure.
In conjunction with Fig. 4, a two field picture display time s is divided into n+1 time cycle, and n is described first sub-backlight area
The number of the sub-back light unit included with in described second sub-backlight area, in the embodiment of the present invention, n=8, namely formed
The time phase of T1 to T9.According to Fig. 4, the first sub-backlight area 10 includes first to the 8th sub-back light unit from top to bottom,
Second sub-back light unit 20 includes first to the 8th sub-back light unit from bottom to up, shown in above Fig. 2, and the first son back of the body
The sub-back light unit 11 of the 8th the sub-back light unit corresponding diagram 2 in light region 10, the 8th the son back of the body of the second sub-backlight area 20
The sub-back light unit 21 of light unit corresponding diagram 2, width sum is equal to the width of other sub-back light units.
Wherein, first sub-back light unit and first son back of the body of the second sub-backlight area 20 in the first sub-backlight area 10
Light unit was lit within the time period of T1+T2, second sub-back light unit of the first sub-backlight area 10 and the second sub-backlight
Second sub-back light unit in region 20 is lit in section T2+T3 when, and rule is analogized according to this, the first sub-backlight area 10
The 8th sub-back light unit and the 8th sub-back light unit of the second sub-backlight area 20 within the time period of T8+T9 by point
Bright.
Therefore, in control method described in the embodiment of the present invention, the lighting time of two symmetrical sub-back light units is respectively
Identical, lighting time t can use above-mentioned formula value to calculate.And further, sub-back light unit is adjacent previous
Individual sub-back light unit is lighted after lighting T time, and wherein T is less than t, namely adjacent two sub-back light units have lighting of overlap
Time.Shown in foundation Fig. 4, T=t/2.
Illustrate, be 3840 × 2160 when display module of the present invention is applied to resolution, refresh rate be 120Hz's
During 3D display device, the time value in above-mentioned each stage be T1=T2=T3=T4=T5=T6=T7=T8=s/ (n+1)=
8.33/ (8+1)=0.92ms, wherein s=8.33ms is the time used by a two field picture shows, and when lighting of each sub-back light unit
Between be 0.92 × 2=1.84ms.
Most preferably, in order to make the brightness of the zone line of the first sub-backlight area 10 and the second sub-backlight area 20 further
Reduce, it is also possible to make lighting time the lighting less than other sub-back light units of the sub-back light unit of adjacent two the 8th further
Time；Or use shortening the 8th sub-back light unit real with the mode of the luminous overlapping time of the 7th adjacent sub-back light unit
Existing；Or use the driving voltage making the sub-back light unit of adjacent two the 8th light less than described first sub-backlight area and institute
The mode of the driving voltage that other sub-back light units are lighted in the second sub-backlight area of stating realizes.The most preferentially, adjacent two
The driving voltage that individual 8th sub-back light unit is lighted is identical.
In control method described above, the mode about the lighting time of each sub-back light unit is only one illustration,
Specifically can be not limited to only with in the way of above-mentioned, as long as can this to when making display module be applied to 3D display device, picture
Do not produce flicker, and pure color picture is uniformly as the criterion.
The another aspect of the specific embodiment of the invention also provides for a kind of 3D display device, including display floater and above-mentioned
3D display backlight module, wherein said display floater includes the viewing area corresponding with each backlight area of 3D display backlight module
Territory.
Those skilled in the art should be able to understand the concrete structure of the 3D display device using above-mentioned backlight module, at this
It is not described in detail.
The control method that the present invention is above-mentioned, includes two sub-backlight area of adjacent first and second with described backlight module
As a example by sub-backlight area, the concrete mode of described control method is described in detail, it will be understood by those skilled in the art that
When backlight module includes two or more backlight area, it is to mesozone from the marginal area of backlight module to the mode to scanning
Territory is lighted successively, if the principle that the foundation present invention is set of the sub-back light unit for adjacent backlight area, and control method
Also according to above-mentioned mode.Control method when backlight module no longer includes plural backlight area at this is carried out
Describing in detail, those skilled in the art should be able to learn according to the description above.
Only it is applied to up and down the scan mode entered be carried out with the backlight module described in the embodiment of the present invention additionally, above
Describe, according to the principle of the present invention, the invention is not restricted to be only applied to up and down to the scan mode entered, it is also possible to be applied to up and down
The scan mode deviated from, is equally reached the effect of the shinny degree of zone line produced when alleviating 3D display.
Further it will be understood that the arrangement mode of each sub-back light unit is except can be above upper and lower in backlight module
Outside arrangement, it is also possible to arrange for left and right, when for arranging up and down, the control method of display module is transversal scanning；When for left and right
During arrangement, the light-emitting control method of display module is longitudinal scanning.
Above-described is the preferred embodiment of the present invention, it should be pointed out that the ordinary person for the art comes
Saying, can also make some improvements and modifications under without departing from principle premise of the present invention, these improvements and modifications also exist
In protection scope of the present invention.
Claims (12)
1. a 3D display backlight module, including at least one backlight area, described backlight area includes first be arranged in order
Sub-backlight area and the second sub-backlight area, described first sub-backlight area and described second sub-backlight area include at least respectively
Two sub-back light units, the orientation of each described sub-back light unit is identical, the first son back of the body in described first sub-backlight area
The first corresponding sub-back light unit in light unit and described second sub-backlight area has public adjacent side, described public adjacent side
The length direction that bearing of trend is described sub-back light unit, it is characterised in that the width of described first sub-back light unit and institute
State the width sum of the first corresponding sub-back light unit less than or equal to described first sub-backlight area and described second sub-backlight
The width of other arbitrary sub-back light units in region.
2. 3D display backlight module as claimed in claim 1, it is characterised in that described first sub-backlight area neutron backlight list
The number of unit is identical with the number of described second sub-backlight area neutron back light unit, and described first sub-backlight area and described
Each sub-backlight list in second sub-backlight area, in addition to described first sub-back light unit and described first corresponding sub-back light unit
Unit is respectively provided with the first width.
3. 3D display backlight module as claimed in claim 2, it is characterised in that described first sub-back light unit and described first
The width sum of corresponding sub-back light unit is equal to described first width.
4. the 3D display backlight module as described in any one of claims 1 to 3, it is characterised in that described first sub-back light unit
Width equal to the width of described first corresponding sub-back light unit.
5. one kind uses the control method of 3D display backlight module described in any one of Claims 1-4, it is characterised in that described
Control method includes:
In the display time s of a two field picture, in described first sub-backlight area, each sub-back light unit is lighted successively；
Simultaneously in the display time s of a two field picture, in described second sub-backlight area, each sub-back light unit is lighted successively；Its
Described in the first sub-back light unit and described first corresponding sub-back light unit for light simultaneously.
6. control method as claimed in claim 5, it is characterised in that in described first sub-backlight area, from described first
Sub-back light unit rises, and to the direction away from described first sub-back light unit, each sub-back light unit is lighted successively；At described second son
In backlight area, from described first corresponding sub-back light unit, to the direction away from described first corresponding sub-back light unit, each son
Back light unit is lighted successively.
7. control method as claimed in claim 5, it is characterised in that in described first sub-backlight area, from apart from described
The farthest sub-back light unit in edge of first sub-back light unit rises, to the direction near described first sub-back light unit, each sub-backlight
Unit is lighted successively；In described second sub-backlight area, from edge farthest apart from described first corresponding sub-back light unit
Back light unit rises, and to the direction near described first corresponding sub-back light unit, each sub-back light unit is lighted successively.
8. control method as claimed in claim 5, it is characterised in that in described control method, described first sub-backlight area
Light with in described second sub-backlight area simultaneously about two sub-back light units that described public adjacent side is symmetrical and light
Time, t was identical, and wherein said lighting time t is:
S is the display time of a two field picture；N is to include respectively in described first sub-backlight area and described second sub-backlight area
The number of sub-back light unit.
9. control method as claimed in claim 8, it is characterised in that described first sub-backlight area and described second sub-backlight
In region, one of them sub-back light unit is lighted after previous adjacent sub-back light unit lights T time, and wherein T is little
In t.
10. control method as claimed in claim 5, it is characterised in that described first sub-back light unit and described first correspondence
The lighting time of sub-back light unit is identical, less than other sub-back ofs the body in described first sub-backlight area and described second sub-backlight area
The lighting time of light unit.
11. control methods as claimed in claim 5, it is characterised in that described first sub-back light unit and described first correspondence
The driving voltage that sub-back light unit is lighted is identical, less than in described first sub-backlight area and described second sub-backlight area other
The driving voltage that sub-back light unit is lighted.
12. 1 kinds of 3D display devices, including display floater, it is characterised in that also include as described in any one of Claims 1-4
3D display backlight module, wherein said display floater includes corresponding with each described backlight area of described backlight module aobvious
Show region.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410768387.5A CN104409052B (en) | 2014-12-12 | 2014-12-12 | 3D display backlight module and control method, 3D display device |
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| CN201410768387.5A CN104409052B (en) | 2014-12-12 | 2014-12-12 | 3D display backlight module and control method, 3D display device |
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| CN104409052A CN104409052A (en) | 2015-03-11 |
| CN104409052B true CN104409052B (en) | 2017-01-04 |
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Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100376978C (en) * | 2003-08-14 | 2008-03-26 | 鸿富锦精密工业（深圳）有限公司 | Back light assembly |
| GB2410093A (en) * | 2004-01-17 | 2005-07-20 | Sharp Kk | Display |
| KR100677151B1 (en) * | 2004-10-22 | 2007-02-02 | 삼성전자주식회사 | Backlight unit and LCD using the same |
| TWI404034B (en) * | 2009-01-23 | 2013-08-01 | Mstar Semiconductor Inc | Apparatus for generating over-drive values applied in a lcd display and method thereof |
| CN101581420B (en) * | 2009-06-23 | 2011-01-05 | 安徽华东光电技术研究所 | Direct backlight formed by the arrangement of LEDs with gradually changed distance |
| JP5699786B2 (en) * | 2011-04-28 | 2015-04-15 | ソニー株式会社 | Display device and lighting device |
| CN103047589B (en) * | 2013-01-14 | 2015-02-25 | 四川长虹光电有限公司 | Design method of direct type LED (light-emitting diode) backlight module |
| CN204242565U (en) * | 2014-12-12 | 2015-04-01 | 京东方科技集团股份有限公司 | 3d display backlight module and 3d display device |
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