CN103499058A - Backlight module, display device and use method of backlight module - Google Patents
Backlight module, display device and use method of backlight module Download PDFInfo
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- CN103499058A CN103499058A CN201310503838.8A CN201310503838A CN103499058A CN 103499058 A CN103499058 A CN 103499058A CN 201310503838 A CN201310503838 A CN 201310503838A CN 103499058 A CN103499058 A CN 103499058A
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Abstract
The embodiment of the invention provides a backlight module, a display device and a use method of the backlight module and relates to the field of liquid crystal display. The backlight module can reduce view crosstalk of the left eye and the right eye and improve the 3D watching effect. The backlight module comprises a back panel and a diffusion plate. At least one LED lamp strip is arranged on the back plane. The backlight module further comprises at least one reflecting sheet and a control unit. The reflecting sheet is located between a backlight source and the diffusion plate. The control unit is used for controlling opening of the reflecting sheet corresponding to the first LED lamp strip when the first LED lamp strip is turned on. The backlight module and the display device are applied to the liquid crystal display field.
Description
Technical field
The present invention relates to the Display Technique field, relate in particular to a kind of backlight module, display unit and using method thereof.
Background technology
Along with scientific and technological develop rapidly, TV industry has also experienced from the black and white to the colour, and high definition is to 3D(Three Dimensions, three-dimensional) technological progress, nowadays people can enjoy third dimension on the spot in person that the 3D TV brings.The displaying principle of 3D TV is that the image that beholder's right and left eyes is seen is not identical, left eye is seen the image of corresponding left eye, and right eye is seen the image of corresponding right eye, and such two eyes have just had parallax, due to the existence of parallax, the people will see the image of a solid in the process of watching.
The 3D lcd technology used at present, adopt scanning technique backlight line by line, be to comprise at least one LED(Light Emitting Diode on backlight, light emitting diode) lamp bar, described at least one LED lamp bar is lighted line by line, this 3D lcd technology is by image being divided into to two a series of paintings faces of corresponding left eye and right eye, and staggered showing, make the left and right eyes see respective picture in the moment of regulation continuously.Liquid crystal panel shows when showing 3D rendering line by line, the light that one of them LED lamp bar on backlight sends is through after diffuser plate, illuminate this zone corresponding to LED lamp bar on liquid crystal panel, on this zone, input needs the view data shown, the image that completes this row shows, the demonstration of each two field picture need to complete the demonstration of all row from top to bottom, is called single pass.But after wherein a line image of liquid crystal panel has shown, then light next LED lamp bar and show the next line image, the view data that now this row shows still retains, when next LED lamp bar is lit, light not only can illuminate the liquid crystal panel of next line, some light also can scatter on this row liquid crystal panel, makes the view data of reservation continue to show, and formation is crosstalked.Because the left and right fields of vision image of 3D signal is continuously staggered the demonstration, the left eye that adjacent twice sweep shows respectively and the image of right eye, therefore the beholder also sees eye image when seeing left-eye image, perhaps when seeing eye image, see left-eye image, will cause the right and left eyes view crosstalk like this, affect the 3D viewing effect.
Summary of the invention
Embodiments of the invention provide a kind of backlight module, display unit and using method thereof, can reduce the right and left eyes view crosstalk, improve the 3D viewing effect.
For achieving the above object, embodiments of the invention adopt following technical scheme:
On the one hand, provide a kind of backlight module, described backlight module comprises backboard, diffuser plate, and at least one LED lamp bar is set on described backboard, and described backlight module also comprises:
At least one reflector plate, described reflector plate is between described backlight and described diffuser plate;
Control module, for when a LED lamp bar is lighted, control the unlatching of the reflector plate corresponding with a described LED lamp bar, the light that makes a described LED lamp bar send can be by the reflector plate opened guiding through after described diffuser plate, shine the above zone corresponding to LED lamp bar of liquid crystal panel.
Optionally, when described backlight module comprises at least two reflector plates, described control module also for:
When a LED lamp bar is lighted, controlling other reflector plates closes, the pent reflector plate of light that makes a described LED lamp bar send stops, can't shine other zones outside the zone that the above LED lamp bar of liquid crystal panel is corresponding, described other reflector plates are the reflector plate except the reflector plate corresponding with a described LED lamp bar in described at least two reflector plates.
Optionally, described control module also for:
When a LED lamp bar is lighted, control the reflector plate that the reflector plate corresponding with a described LED lamp bar is adjacent inclined, the light that makes a described LED lamp bar send, by the guiding of inclined reflector plate, shines the above zone corresponding to LED lamp bar of described diffuser plate.
Optionally, the length direction of described reflector plate is parallel with the length direction of described LED lamp bar, and the width of each described reflector plate is parallel with the width of described LED lamp bar; The length direction of the reflector plate of described unlatching is vertical with plane, described backboard place with the plane that width forms; Plane and described backboard place plane parallel that the length direction of described reflector plate of closing and width form; Plane and plane, described backboard place that the length direction of described inclined reflector plate and width form are preset angles.
Optionally, on each described reflector plate, the direction parallel with the length direction of described reflector plate is provided with rotating shaft, and described rotating shaft can rotate under the control of described control module, drives described reflector plate and presents different conditions.
Optionally, each described rotating shaft place straight line and the dead in line of reflector plate accordingly, the length direction of the parallel described reflector plate of described axis.
Optionally, each described reflector plate is greater than the thickness away from described axis place at the thickness near described axis place.
Optionally, each described rotating shaft is connected with a drive motors, or all rotating shafts are connected with a drive motors; Described drive motors is connected with described control module, and under the control of described control module, described drive motors drives corresponding rotating shaft and rotates.
On the one hand, provide a kind of display unit, comprising:
The described backlight module of claim 1 to 9 any one claim;
And liquid crystal panel.
On the one hand, provide a kind of backlight module using method, comprising:
When a LED lamp bar is lighted, control the unlatching of the reflector plate corresponding with a described LED lamp bar, the light that makes a described LED lamp bar send can be by the reflector plate opened guiding through after described diffuser plate, shine the above zone corresponding to LED lamp bar of liquid crystal panel;
At a LED lamp bar, extinguish, when the two LED lamp bar adjacent with a LED lamp bar lighted, the described reflector plate corresponding with a LED lamp bar cuts out or in heeling condition, the described reflector plate corresponding with the 2nd LED lamp bar opened, the light that makes described the 2nd LED lamp bar send can be by the reflector plate opened guiding through after described diffuser plate, shine the above the 2nd zone corresponding to LED lamp bar of liquid crystal panel.
The embodiment of the present invention provides a kind of backlight module, display unit and using method thereof, when liquid crystal panel carries out the 3D rendering demonstration, described backlight module is realized the demonstration of the left and right view on liquid crystal panel by the synchronous scanning of view data in described backlight and liquid crystal panel, the light that described reflector plate makes a described LED lamp bar send can not shine other zones except the zone of liquid crystal panel corresponding to a described LED lamp bar; The illumination that a described LED lamp bar sends is mapped to the part light of the reflector plate that reflector plate that a described LED lamp bar is corresponding is adjacent, reflection through described adjacent reflector plate, again converge to a described residing position of LED lamp bar, shine on the zone that the above LED lamp bar of described liquid crystal panel is corresponding by diffuser plate.Because when liquid crystal panel shows 3D rendering, it is continuously the staggered left and right view that shows, when described backlight module makes described liquid crystal panel show a view, the image in the zone that a described LED lamp bar is corresponding can clearly show, the image in the zone of other residual another viewdatas almost can't show, thereby reduced the left and right view crosstalk, and made the picture quality of demonstration more excellent simultaneously.
The accompanying drawing explanation
In order to be illustrated more clearly in the embodiment of the present invention or technical scheme of the prior art, below will the accompanying drawing of required use in embodiment or description of the Prior Art be briefly described, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skills, under the prerequisite of not paying creative work, can also obtain according to these accompanying drawings other accompanying drawing.
The schematic diagram of a kind of backlight module that Fig. 1 provides for the embodiment of the present invention;
The positional structure schematic diagram of a kind of reflector plate that Fig. 2 provides for the embodiment of the present invention;
The schematic diagram of the another kind of backlight module that Fig. 3 provides for the embodiment of the present invention;
The schematic diagram of another backlight module that Fig. 4 provides for the embodiment of the present invention;
The schematic diagram of the reflector plate of the backlight module that Fig. 5 provides for the embodiment of the present invention;
The schematic diagram of another backlight module that Fig. 6 provides for the embodiment of the present invention;
The schematic diagram of the another kind of backlight module again that Fig. 7 provides for the embodiment of the present invention;
The schematic diagram of the another kind of backlight module again that Fig. 8 provides for the embodiment of the present invention;
The cut away view of the reflector plate that Fig. 9 is backlight module provided by the invention;
The structural representation of the display unit that Figure 10 provides for the embodiment of the present invention.
The specific embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is clearly and completely described, obviously, described embodiment is only the present invention's part embodiment, rather than whole embodiment.Embodiment based in the present invention, those of ordinary skills, not making under the creative work prerequisite the every other embodiment obtained, belong to the scope of protection of the invention.
The embodiment of the present invention provides a kind of backlight module 10, as shown in Figure 1, comprises backboard 101, diffuser plate 102, and at least one LED lamp bar 103 is set on described backboard 101, and described backboard 101 and described at least one LED lamp bar 103 form backlight 104.Described backlight module 10 realizes that by described backlight 104 and the synchronous scanning of the middle view data of liquid crystal panel (Fig. 1 does not indicate) image on liquid crystal panel shows, when a LED lamp bar of backlight 104 is lighted, liquid crystal panel shows the image in the zone that this LED lamp bar is corresponding, after this row image has shown, and then next LED lamp bar adjacent with this LED lamp bar lighted, then liquid crystal panel shows the image in the zone that next the LED lamp bar adjacent with this LED lamp bar is corresponding, by that analogy, until a two field picture is by after complete demonstration, use the same method again and show the next frame image.
Described backlight module 10 also comprises:
At least one reflector plate 105, described reflector plate 105 is between described backlight 104 and described diffuser plate 102.
Control module (Fig. 1 does not indicate), for when a LED lamp bar 1031 is lighted, control the unlatching of the reflector plate 105-A corresponding with a described LED lamp bar 1031, the light that makes a described LED lamp bar 1031 send can be by the reflector plate 105-A that opens guiding through after described diffuser plate, shine the zone of the above LED lamp bar 1031 correspondence of described diffuser plate liquid crystal panel.Need to illustrate, when described reflector plate 105 is opened, the length direction of described reflector plate 105 is vertical with described backboard 101 planes, place with the plane that width forms.
So, when a LED lamp bar is lighted, reflector plate corresponding with a LED lamp bar in described at least one reflector plate is opened, the light that makes a LED lamp bar send can pass through diffuser plate, shine a zone corresponding to LED lamp bar on liquid crystal panel, and the guiding due to the reflector plate corresponding with a LED lamp bar, greatly reduce a LED lamp bar and shone other regional light except the zone corresponding with a described LED lamp bar on liquid crystal panel, therefore, on liquid crystal panel, the image in the zone corresponding with a described LED lamp bar can clearly show, described other zones may almost can not show by residual image, so, when described liquid crystal panel will carry out the 3D rendering demonstration, can effectively reduce crosstalking of left and right view, improve the 3D viewing effect.
Further, when described backlight module 10 comprises at least two reflector plates 105, described control module is used for: when a LED lamp bar 1031 is lighted, controlling other reflector plates closes, the pent reflector plate of light that makes a described LED lamp bar 1031 send stops, can't shine other zones outside the zone of the above LED lamp bar 1031 correspondence of liquid crystal panel, described other reflector plates are the reflector plate except reflector plate 105-A in described at least two reflector plates 105.Perhaps when described backlight module 10 comprises at least two reflector plates 105, described control module can also for: when a LED lamp bar 1031 is lighted, control the reflector plate that the reflector plate 105-A corresponding with a described LED lamp bar 1031 is adjacent inclined, the light that makes a described LED lamp bar 1031 send is by the guiding of inclined reflector plate, after described diffuser plate 102, shine the zone of the above LED lamp bar 1031 correspondence of liquid crystal panel.
The reflector plate 105 of the embodiment of the present invention as shown in Figure 2, the length direction of each reflector plate in described reflector plate 105 is parallel with the length direction of described LED lamp bar 103, and the width of each reflector plate in described reflector plate 105 is parallel with the width of described LED lamp bar 103.
Concrete, as shown in Figure 3, when described backlight module 10 comprises at least two reflector plates 105, and the length direction of each reflector plate in described reflector plate 105 is parallel with the length direction of described LED lamp bar 103, when the width of each reflector plate in described reflector plate 105 is parallel with the width of described LED lamp bar 103, described control module is used for: when a LED lamp bar 1031 is lighted, controlling other reflector plates 105-B closes, the pent reflector plate 105-B of light that makes a described LED lamp bar 1031 send stops, can't shine other zones outside the zone of the above LED lamp bar 1031 correspondence of liquid crystal panel, described other reflector plates 105-B is the reflector plate except reflector plate 105-A in described at least two reflector plates 105, when described reflector plate 105-B closes, shown in the length direction of reflector plate 105-B and the width plane and the described backboard 101 place plane parallel that form.So, when a described LED lamp bar 1031 is lighted, described reflector plate 105-A opens, described other reflector plates 105-B closes, make the light that a described LED lamp bar 1031 sends shine the zone of the above LED lamp bar 1031 correspondence of liquid crystal panel by described diffuser plate 102, other regional light that shine except the zone of liquid crystal panel corresponding to a described LED lamp bar have been greatly reduced, thereby make described liquid crystal panel only have the image in the zone of described LED lamp bar 1031 correspondences to show, other regional afterimages can't show, reduced view crosstalk.
As shown in Figure 4, when described backlight module 10 comprises at least two reflector plates 105, and the length direction of each reflector plate in described reflector plate 105 is parallel with the length direction of described LED lamp bar 103, when the width of each reflector plate in described reflector plate 105 is parallel with the width of described LED lamp bar 103, described control module can also for: when a LED lamp bar 1031 is lighted, control the reflector plate 105-C that the reflector plate 105-A corresponding with a described LED lamp bar 1031 is adjacent inclined, the light that makes a described LED lamp bar 1031 send is by the guiding of inclined reflector plate 105-C, after described diffuser plate 102, shine the zone of the above LED lamp bar 1031 correspondence of liquid crystal panel.When described reflector plate 105 is inclined, plane and described backboard 101 planes, place that the length direction of described reflector plate 105 and width form are preset angles, in actual applications, described preset angles can be configured as the case may be, as shown in Figure 5, in Fig. 4, X-axis is perpendicular to the length direction of described reflector plate 105-A and the plane of width formation, and the X-axis positive direction is along direction that on backlight described in single pass, LED lamp bar is lighted line by line, it is direction from left to right in Fig. 4, in single pass, a side that has completed scanning is less than 90 degree adjacent to reflector plate 105-C and the X-axis positive direction angulation i of reflector plate 105-A, a side that does not complete scanning is greater than 90 degree adjacent to reflector plate 105-C and the X-axis positive direction angulation j of reflector plate 105-A, generally, angle i and angle j complementation.So, when a described LED lamp bar 1031 is lighted, the described reflector plate 105-A corresponding with a LED lamp bar 1031 opens, the reflector plate 105-C that the reflector plate 105-A corresponding with a described LED lamp bar 1031 is adjacent is inclined, the illumination that makes a described LED lamp bar 1031 send is mapped to the reflection of the part light of described reflector plate 105-C through described adjacent reflector plate 105-C, again converge to described LED lamp bar 1031 residing positions, then by diffuser plate 102, shine on the zone of the above LED lamp bar 1031 correspondence of described liquid crystal panel, make the picture quality shown on the zone of described LED lamp bar 1031 correspondences more excellent.
On each described reflector plate 105, the direction parallel with the length direction of described reflector plate 105 is provided with rotating shaft 1051, has a rotating shaft 1051 at least on each described reflector plate 105, described rotating shaft 1051 can rotate under the control of described control module, drive described reflector plate and present different conditions, the described different state three kinds of states that refer to unlatching, close and tilt.Each described rotating shaft 1051 is connected with a drive motors, or all rotating shafts 1051 are connected with a drive motors; Described drive motors is connected with described control module, and under the control of described control module, described drive motors drives corresponding rotating shaft and rotates.
For example, as shown in Figure 6, a rotating shaft 1051 is only arranged on described reflector plate 105, described rotating shaft 1051 place straight lines and the dead in line of reflector plate 105 accordingly, the length direction of the parallel described reflector plate 105 of described axis, when described reflector plate 105 is opened, perpendicular to described backboard 101 and described reflector plate 105, the projection on described backboard 101 does not overlap with the projection of LED lamp bar on described backboard 101 on the plane that the length direction of described reflector plate 105 and width form, described projection does not overlap and had both comprised that projection did not overlap fully, comprise that again projection section does not overlap, the rotating shaft 1051 of each described reflector plate 105 correspondence can connect a drive motors, when on described backlight, a LED lamp bar 1031 is lighted, the drive motors be connected with reflector plate 105-A makes reflector plate 105-A open, the drive motors be connected with described reflector plate 105-C makes described reflector plate 105-C inclined, the drive motors be connected with described reflector plate 105-B makes reflector plate 105-B close, described reflector plate 105-B is other reflector plates except described 105-A and reflector plate 105-C in reflector plate 105.
Perhaps all rotating shafts can drive by a drive motors, during original state, administrative unit arranges an initial phase for each described reflector plate 105, while making described drive motors running, the speed that the speed that described reflector plate 105 is opened is lighted with backlight 104 the above LED lamp bar 103 is consistent, and when on described backlight, a LED lamp bar 1031 is lighted, drive motors makes reflector plate 105-A open, reflector plate 105-C is inclined, reflector plate 105-B closes, described reflector plate 105-B is other reflector plates except described 105-A and reflector plate 105-B in reflector plate 105.
In actual applications, when on described backlight, a LED lamp bar 1031 is lighted, reflector plate 105-A corresponding with a described LED lamp bar in reflector plate 105 opens, other reflector plates in described reflector plate 105 except described reflector plate 105-A all can be in heeling condition, a part that makes a described LED lamp bar 1031 send shines the light on the reflection bar of described heeling condition, after reflector plate reflection through each described heeling condition, can again pass through the guiding of described reflector plate 105-A, through after described diffuser plate 102, shine on the zone of the above LED lamp bar 1031 correspondence of described liquid crystal panel, improved the light source utilization rate.
Further, as shown in Figure 7, on each described reflector plate 105, a rotating shaft 1051 is only arranged, described rotating shaft 1051 place straight lines overlap with a limit of the length direction of corresponding reflector plate 105, when described reflector plate 105 is opened, perpendicular to described backboard 101 and described reflector plate 105, the projection on described backboard 101 does not overlap with the projection of LED lamp bar on described backboard 101 on the plane that the length direction of described reflector plate 105 and width form, described projection does not overlap and had both comprised that projection did not overlap fully, comprise that again projection section does not overlap, the rotating shaft 1051 of each described reflector plate 105 correspondence can connect a drive motors, each described drive motors makes when on described backlight, a LED lamp bar 1031 is lighted, the drive motors be connected with reflector plate 105-A makes reflector plate 105-A open, the drive motors be connected with described reflector plate 105-C makes described reflector plate 105-C inclined, the drive motors be connected with described reflector plate 105-B makes reflector plate 105-B close, described reflector plate 105-B is other reflector plates except described 105-A and reflector plate 105-C in reflector plate 105.
Perhaps all rotating shafts can be driven by a drive motors, during original state, administrative unit arranges an initial phase for each described reflector plate 105, while making described drive motors running, the speed that the speed that described reflector plate 105 is opened is lighted with backlight 104 the above LED lamp bar 103 is consistent, and when on described backlight, a LED lamp bar 1031 is lighted, drive motors makes reflector plate 105-A open, reflector plate 105-C is inclined, reflector plate 105-B closes, described reflector plate 105-B is other reflector plates except described 105-A and reflector plate 105-C in reflector plate 105.
Further, as shown in Figure 8, on described reflector plate 105, two rotating shafts can be arranged, be respectively rotating shaft 1052 and rotating shaft 1053, described rotating shaft 1052 place straight lines overlap with a limit of the length direction of corresponding reflector plate 105, and described rotating shaft 1053 place straight lines overlap with another limit of the length direction of corresponding reflector plate 105.When described reflector plate 105 is opened, perpendicular to described backboard 101 and described reflector plate 105, the projection on described backboard 101 does not overlap with the projection of LED lamp bar on described backboard 101 on the plane that the length direction of described reflector plate 105 and width form, the rotating shaft 1052 of each described reflector plate 105 correspondence respectively is connected a drive motors with rotating shaft 1053, each described drive motors makes when on described backlight 104, a LED lamp bar 1031 is lighted, the reflector plate 105-A of described LED lamp bar 1031 correspondences opens, the reflector plate 105-C adjacent with described reflector plate 105-A is inclined, reflector plate 105-B closes, described reflector plate 105-B is other reflector plates except described 105-A and reflector plate 105-C in reflector plate 105.
Perhaps all rotating shafts 1052 connect a drive motors, all rotating shafts 1053 connect a drive motors, during original state, administrative unit arranges an initial phase for each described reflector plate 105, while making described two drive motors running, the speed that the speed that described reflector plate 105 is opened is lighted with backlight 104 the above LED lamp bar 103 is consistent, and when on described backlight, a LED lamp bar 1031 is lighted, the drive motors that the drive motors that all rotating shafts 1052 connect is connected with all rotating shafts 1053 makes reflector plate 105-A open, reflector plate 105-C is inclined, reflector plate 105-B closes, described reflector plate 105-B is other reflector plates except described 105-A and reflector plate 105-C in reflector plate 105.
It should be noted that, each described reflector plate is greater than the thickness away from described axis place at the thickness near described axis place, as shown in Figure 9, shown in figure, is the profile of reflector plate 70, and in figure, W is depicted as the plane, axis place of reflector plate 70.A shown in figure is the thickness of reflector plate 70 near the axis place, and b is the thickness of reflector plate 70 away from the axis place, and a is greater than b.Thereby, described reflector plate 70 is perpendicular to backboard the time, can guide the LED lamp light that bar sends through after diffuser plate, shine on the zone that the above LED lamp bar of liquid crystal panel is corresponding, and make the projection minimum of described reflector plate 70 on described diffuser plate, do not affect the above regional image of liquid crystal panel and show.
The backlight module that the embodiment of the present invention provides, when liquid crystal panel carries out the 3D rendering demonstration, backlight module is realized the demonstration of the left and right view on liquid crystal panel by the synchronous scanning of view data in backlight and liquid crystal panel, wherein, the reflector plate in backlight module has greatly reduced a LED lamp bar and has shone other the regional light except the zone of liquid crystal panel corresponding to a described LED lamp bar; The illumination that a described LED lamp bar sends is mapped to the part light of the reflector plate that reflector plate that a described LED lamp bar is corresponding is adjacent, reflection through described adjacent reflector plate, again converge to a described residing position of LED lamp bar, then shine on the zone that the above LED lamp bar of described liquid crystal panel is corresponding by diffuser plate.Because when liquid crystal panel shows 3D rendering, it is continuously the staggered left and right view that shows, when described backlight module makes described liquid crystal panel show a view, the image in the zone that a described LED lamp bar is corresponding can clearly show, the image in the zone of other residual another viewdatas almost can't show, thereby reduced the left and right view crosstalk, and made the picture quality of demonstration more excellent simultaneously.
The embodiment of the present invention provides a kind of display unit 6, as shown in figure 10, comprising:
The described backlight module 61 of any one embodiment of the present invention, comprise backboard 601, diffuser plate 602, at least one LED lamp bar 603 is set on described backboard, described backboard 601 and described at least one LED lamp bar 603 form backlight 604, described backlight module 61 also comprises at least one reflector plate 605, and control module (Fig. 9 does not indicate); And liquid crystal panel 62.
Described backlight module 61 realizes that by the synchronous scanning of view data in described backlight 604 and liquid crystal panel 62 image on liquid crystal panel 62 shows, when a LED lamp bar 6031 of backlight 604 is lighted, liquid crystal panel 62 shows the image in the zone of these LED lamp bar 6031 correspondences, after this row image has shown, and then next LED lamp bar is lighted, then liquid crystal panel 62 shows the image in the zone that next LED lamp bar is corresponding, by that analogy, until a two field picture is by after complete demonstration, then uses the same method and show the next frame image.The light that described reflector plate 605 makes a described LED lamp bar 6031 send can not shine other zones except the zone of the liquid crystal panel 62 of described LED lamp bar 6031 correspondences, and the illumination that a described LED lamp bar 6031 sends is mapped to the reflection of the part light of the reflector plate 605 that the reflector plate 605 of described LED lamp bar 6031 correspondences is adjacent through described adjacent reflector plate 605, again converge to described LED lamp bar 6031 residing positions, then by diffuser plate 602, shine on the zone of the above LED lamp bar 6031 correspondence of described liquid crystal panel, make when minimizing is crosstalked, image display effect is more excellent.
The display unit that the embodiment of the present invention provides, when liquid crystal panel carries out the 3D rendering demonstration, backlight module is realized the demonstration of the left and right view on liquid crystal panel by the synchronous scanning of view data in backlight and liquid crystal panel, wherein, the reflector plate in backlight module has greatly reduced a LED lamp bar and has shone other the regional light except the zone of liquid crystal panel corresponding to a described LED lamp bar; The illumination that a described LED lamp bar sends is mapped to the part light of the reflector plate that reflector plate that a described LED lamp bar is corresponding is adjacent, reflection through described adjacent reflector plate, again converge to a described residing position of LED lamp bar, then shine on the zone that the above LED lamp bar of described liquid crystal panel is corresponding by diffuser plate.Because when liquid crystal panel shows 3D rendering, it is continuously the staggered left and right view that shows, when described backlight module makes described liquid crystal panel show a view, the image in the zone that a described LED lamp bar is corresponding can clearly show, the image in the zone of other residual another viewdatas almost can't show, thereby reduced the left and right view crosstalk, and made the picture quality of demonstration more excellent simultaneously.
The embodiment of the present invention provides a kind of backlight module using method, and described backlight module comprises the backlight module that the arbitrary embodiment of the present invention provides, and as shown in the figure, comprising:
When a LED lamp bar is lighted, control the unlatching of the reflector plate corresponding with a described LED lamp bar, the light that makes a described LED lamp bar send can be by the reflector plate opened guiding through after described diffuser plate, shine the above zone corresponding to LED lamp bar of liquid crystal panel;
At a LED lamp bar, extinguish, when the two LED lamp bar adjacent with a LED lamp bar lighted, the described reflector plate corresponding with a LED lamp bar cuts out or in heeling condition, the described reflector plate corresponding with the 2nd LED lamp bar opened, the light that makes described the 2nd LED lamp bar send can be by the reflector plate opened guiding through after described diffuser plate, shine the above the 2nd zone corresponding to LED lamp bar of liquid crystal panel.
The scan frequency of described backlight equates with the scan frequency that described liquid crystal panel carries out the image demonstration, and the scanning direction of described backlight is identical with the scanning direction that described liquid crystal panel carries out the image demonstration.
The display unit that the embodiment of the present invention provides, when liquid crystal panel carries out the 3D rendering demonstration, backlight module is realized the demonstration of the left and right view on liquid crystal panel by the synchronous scanning of view data in backlight and liquid crystal panel, wherein, the reflector plate in backlight module has greatly reduced a LED lamp bar and has shone other the regional light except the zone of liquid crystal panel corresponding to a described LED lamp bar; The illumination that a described LED lamp bar sends is mapped to the part light of the reflector plate that reflector plate that a described LED lamp bar is corresponding is adjacent, reflection through described adjacent reflector plate, again converge to a described residing position of LED lamp bar, then shine on the zone that the above LED lamp bar of described liquid crystal panel is corresponding by diffuser plate.Because when liquid crystal panel shows 3D rendering, it is continuously the staggered left and right view that shows, when described backlight module makes described liquid crystal panel show a view, the image in the zone that a described LED lamp bar is corresponding can clearly show, the image in the zone of other residual another viewdatas almost can't show, thereby reduced the left and right view crosstalk, and made the picture quality of demonstration more excellent simultaneously.
The above; be only the specific embodiment of the present invention, but protection scope of the present invention is not limited to this, anyly is familiar with those skilled in the art in the technical scope that the present invention discloses; can expect easily changing or replacing, within all should being encompassed in protection scope of the present invention.Therefore, protection scope of the present invention should be as the criterion with the protection domain of described claim.
Claims (10)
1. a backlight module, described backlight module comprises backboard, diffuser plate, and at least one LED lamp bar is set on described backboard, it is characterized in that, described backlight module also comprises:
At least one reflector plate, described reflector plate is between described backlight and described diffuser plate;
Control module, for when a LED lamp bar is lighted, control the unlatching of the reflector plate corresponding with a described LED lamp bar, the light that makes a described LED lamp bar send can be by the reflector plate opened guiding through after described diffuser plate, shine the above zone corresponding to LED lamp bar of liquid crystal panel.
2. backlight module according to claim 1, is characterized in that, when described backlight module comprises at least two reflector plates, described control module also for:
When a LED lamp bar is lighted, controlling other reflector plates closes, the pent reflector plate of light that makes a described LED lamp bar send stops, can't shine other zones outside the zone that the above LED lamp bar of liquid crystal panel is corresponding, described other reflector plates are the reflector plate except the reflector plate corresponding with a described LED lamp bar in described at least two reflector plates.
3. backlight module according to claim 2, is characterized in that, described control module also for:
When a LED lamp bar is lighted, control the reflector plate that the reflector plate corresponding with a described LED lamp bar is adjacent inclined, the light that makes a described LED lamp bar send, by the guiding of inclined reflector plate, shines the above zone corresponding to LED lamp bar of described diffuser plate.
4. backlight module according to claim 3, is characterized in that, the length direction of each described reflector plate is parallel with the length direction of described LED lamp bar, and the width of each described reflector plate is parallel with the width of described LED lamp bar;
The length direction of the reflector plate of described unlatching is vertical with plane, described backboard place with the plane that width forms;
Plane and described backboard place plane parallel that the length direction of described reflector plate of closing and width form;
Plane and plane, described backboard place that the length direction of described inclined reflector plate and width form are preset angles.
5. backlight module according to claim 4, is characterized in that,
On each described reflector plate, the direction parallel with the length direction of described reflector plate is provided with rotating shaft, and described rotating shaft can rotate under the control of described control module, drives described reflector plate and presents different conditions.
6. backlight module according to claim 5, is characterized in that,
Each described rotating shaft place straight line and the dead in line of reflector plate accordingly, the length direction of the parallel described reflector plate of described axis.
7. backlight module according to claim 5, is characterized in that,
Each described reflector plate is greater than the thickness away from described axis place at the thickness near described axis place.
8. backlight module according to claim 5, is characterized in that,
Each described rotating shaft is connected with a drive motors, or all rotating shafts are connected with a drive motors;
Described drive motors is connected with described control module, and under the control of described control module, described drive motors drives corresponding rotating shaft and rotates.
9. a display unit, is characterized in that, comprising:
The described backlight module of claim 1 to 8 any one claim;
And liquid crystal panel.
10. a backlight module using method, is characterized in that, comprising:
When a LED lamp bar is lighted, control the unlatching of the reflector plate corresponding with a described LED lamp bar, the light that makes a described LED lamp bar send can be by the reflector plate opened guiding through after described diffuser plate, shine the above zone corresponding to LED lamp bar of liquid crystal panel;
At a LED lamp bar, extinguish, when the two LED lamp bar adjacent with a LED lamp bar lighted, the described reflector plate corresponding with a LED lamp bar cuts out or in heeling condition, the described reflector plate corresponding with the 2nd LED lamp bar opened, the light that makes described the 2nd LED lamp bar send can be by the reflector plate opened guiding through after described diffuser plate, shine the above the 2nd zone corresponding to LED lamp bar of liquid crystal panel.
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109429059A (en) * | 2017-06-28 | 2019-03-05 | 上海与德科技有限公司 | A kind of naked eye 3D display screen and display device |
| CN109429058A (en) * | 2017-06-28 | 2019-03-05 | 上海与德科技有限公司 | A kind of display screen and display device |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2008030059A1 (en) * | 2006-09-08 | 2008-03-13 | Lg Chem, Ltd. | Mirror effect liquid crystal display device using reflection polarizer |
| US20110188106A1 (en) * | 2010-02-04 | 2011-08-04 | Samsung Electronics Co., Ltd. | 2d/3d switchable image display device |
| CN102313998A (en) * | 2010-07-02 | 2012-01-11 | 乐金显示有限公司 | Stereoscopic display device and driving method thereof |
| CN102346313A (en) * | 2010-07-28 | 2012-02-08 | 乐金显示有限公司 | Stereoscopic image display device |
| WO2012144471A1 (en) * | 2011-04-22 | 2012-10-26 | シャープ株式会社 | Display device and control method thereof |
-
2013
- 2013-10-23 CN CN201310503838.8A patent/CN103499058B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2008030059A1 (en) * | 2006-09-08 | 2008-03-13 | Lg Chem, Ltd. | Mirror effect liquid crystal display device using reflection polarizer |
| US20110188106A1 (en) * | 2010-02-04 | 2011-08-04 | Samsung Electronics Co., Ltd. | 2d/3d switchable image display device |
| CN102313998A (en) * | 2010-07-02 | 2012-01-11 | 乐金显示有限公司 | Stereoscopic display device and driving method thereof |
| CN102346313A (en) * | 2010-07-28 | 2012-02-08 | 乐金显示有限公司 | Stereoscopic image display device |
| WO2012144471A1 (en) * | 2011-04-22 | 2012-10-26 | シャープ株式会社 | Display device and control method thereof |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109429059A (en) * | 2017-06-28 | 2019-03-05 | 上海与德科技有限公司 | A kind of naked eye 3D display screen and display device |
| CN109429058A (en) * | 2017-06-28 | 2019-03-05 | 上海与德科技有限公司 | A kind of display screen and display device |
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