CN103196085A - Backlight module - Google Patents
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- CN103196085A CN103196085A CN2013101460192A CN201310146019A CN103196085A CN 103196085 A CN103196085 A CN 103196085A CN 2013101460192 A CN2013101460192 A CN 2013101460192A CN 201310146019 A CN201310146019 A CN 201310146019A CN 103196085 A CN103196085 A CN 103196085A
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Abstract
The invention discloses a backlight module. The backlight module comprises an optical diaphragm overlapping structure, a plurality of limiting lugs and a frame body, wherein the limiting lugs protrude out towards different directions respectively from the optical diaphragm overlapping structure; the frame body comprises a plurality of frame edges and defines out a placing groove in the frame body; and the optical diaphragm overlapping structure is contained in the placing groove, at least one frame edge is provided with at least one limiting groove, and the limiting lugs are contained in the limiting groove.
Description
Technical field
The present invention is relevant for a kind of backlight module, particularly relevant for a kind of backlight module of tool blooming piece.
Background technology
Flat display apparatus is with the frivolous advantage of its build, be used in the electronic product miscellaneous, and little by little replace traditional CRT display (Cathode Ray Tube Display Apparatus, CRT Display Apparatus).Flat display apparatus has a backlight module so that light source to be provided, and for liquid crystal indicator, backlight module has direct type backlight module and side light type back light module two kinds again.
Have blooming piece and posting in the traditional backlight module.Blooming piece is stacked in the posting mutually, and the lug by blooming piece, and these blooming pieces are limited in the posting.
Yet, although these blooming pieces are limited in the posting, in transportation, this backlight module still may cause the lug of individual or many blooming pieces to produce displacement or escape posting because jolt, thereby causes backlight module to produce problems such as light leak or brightness irregularities.
In view of this, how developing a kind of backlight module, can effectively improve the above-mentioned disappearance of bringing and inconvenience, is a relevant dealer instant important topic at present in fact.
Summary of the invention
A purpose of the present invention is that a kind of backlight module is being provided, and produces the chance of displacement or escape posting in order to the lug that reduces blooming piece.
In the one embodiment of the present invention, provide a kind of backlight module.Backlight module comprises a blooming piece iterative structure, a plurality of spacing lug and a framework.Spacing lug protrudes towards different directions respectively from the same side of blooming piece iterative structure.Framework comprises a plurality of edges, and these edges define a standing groove jointly in wherein.The blooming piece iterative structure is placed in the standing groove, and one of them edge has at least one stopper slot, and spacing lug is placed in the stopper slot.
In this embodiment, the blooming piece iterative structure comprises a plurality of blooming pieces that are superimposed with each other.
In one or more embodiment of the present invention, these spacing lugs are connected with different blooming piece respectively.
In one or more embodiment of the present invention, these spacing lugs are at least part of folded mutually.
In one or more embodiment of the present invention, each spacing lug all has at least one through hole in wherein.Backlight module also comprises single reference column.Reference column passes the through hole of spacing lug in the lump.
In one or more embodiment of the present invention, each spacing lug all has at least one through hole in wherein.Backlight module also comprises a plurality of reference columns, and these reference columns pass the through hole of these spacing lugs respectively.
In one or more embodiment of the present invention, the upright projection of these bottoms of spacing lug in stopper slot is separated from each other or is adjacent.
In one or more embodiment of the present invention, these spacing lugs adjacent with two or non-conterminous blooming piece respectively are connected.
In one or more embodiment of the present invention, wherein at least one is connected these spacing lugs with these blooming pieces, and each spacing lug and its blooming piece that connects have identical minimum air line distance between the bottom to the standing groove.
In one or more embodiment of the present invention, these spacing lugs all are connected with same described blooming piece.
In one or more embodiment of the present invention, these spacing lugs all protrude outwardly from the same position of a side of same blooming piece.
In one or more embodiment of the present invention, these spacing lugs have a common part, and common ground has a through hole in wherein.Backlight module also comprises a reference column, and reference column passes through hole.
In one or more embodiment of the present invention, the blooming piece that these spacing lugs connect is the bottom person who makes in a little blooming pieces away from standing groove.
In one or more embodiment of the present invention, these spacing lugs have a spacing respectively and between the blooming piece iterative structure joint.
In one or more embodiment of the present invention, these spacing lugs distance continuously respectively and between the blooming piece iterative structure joint.
In one or more embodiment of the present invention, each spacing lug all has a long axis direction.The side of blooming piece iterative structure has a normal direction, has an angle between long axis direction and the normal direction, and angle is about 0 °～90 °.
In one or more embodiment of the present invention, backlight module also comprises an adhesive tape.Adhesive tape is attached at the stopper slot top, makes spacing lug be bound in the stopper slot.
In sum, by backlight module of the present invention, can reduce the chance of these spacing lug escape frameworks of blooming piece, reduce backlight module and produce problems such as light leak or brightness irregularities.
Description of drawings
Fig. 1 illustrates the vertical view of backlight module of the present invention under an embodiment;
Fig. 2 illustrates the side view of the blooming piece iterative structure of Fig. 1;
Fig. 3 a illustrates the partial enlarged drawing of backlight module of the present invention under an embodiment;
Fig. 3 b illustrates the partial enlarged drawing of backlight module of the present invention under an embodiment;
Fig. 4 a illustrates the partial enlarged drawing of backlight module of the present invention under an embodiment;
Fig. 4 b illustrates the partial enlarged drawing of backlight module of the present invention under an embodiment;
Fig. 5 a illustrates the partial enlarged drawing of backlight module of the present invention under an embodiment;
Fig. 5 b illustrates the partial enlarged drawing of backlight module of the present invention under an embodiment;
Fig. 6 a illustrates the partial enlarged drawing of blooming piece iterative structure under an embodiment of backlight module of the present invention;
Fig. 6 b illustrates the partial enlarged drawing of blooming piece iterative structure under an embodiment of backlight module of the present invention;
Fig. 7 a illustrates the partial enlarged drawing of backlight module of the present invention under an embodiment;
Fig. 7 b illustrates the partial enlarged drawing of backlight module of the present invention under an embodiment;
Fig. 8 a illustrates the partial enlarged drawing of backlight module of the present invention under an embodiment;
Fig. 8 b illustrates the partial enlarged drawing of backlight module of the present invention under an embodiment;
Fig. 9 a illustrates the partial enlarged drawing of backlight module of the present invention under an embodiment;
Fig. 9 b illustrates the partial enlarged drawing of backlight module of the present invention under an embodiment;
Figure 10 illustrates the partial enlarged drawing of blooming piece iterative structure under an embodiment of backlight module of the present invention;
Figure 11 a illustrates lug on the traditional optical diaphragm in the force analysis figure of X-direction and Y direction;
Figure 11 b illustrates the spacing lug of backlight module of the present invention in the force analysis figure of X-direction;
Figure 11 c illustrates the spacing lug of backlight module of the present invention in the force analysis figure of Y direction;
Figure 12 illustrates the vertical view of backlight module of the present invention under an embodiment.
The specific embodiment
Below will clearly demonstrate spirit of the present invention with accompanying drawing and detailed description, as the person skilled in the art after understanding embodiments of the present invention, when can be by the technology of teachings of the present invention, change and modification, it does not break away from spirit of the present invention and scope.
Because backlight module still may cause the lug of blooming piece to produce displacement in transportation, even escape posting, backlight module of the present invention is placed in framework with in the stopper slot on one side by a plurality of spacing lugs that protrude towards different directions, make blooming piece cause strength towards folk prescription to displacement in transportation be able to be slowed down, the lug that reduces blooming piece produces the chance of displacement or escape stopper slot, thereby avoids backlight module to produce problems such as light leak or brightness irregularities.
Fig. 1 illustrates the vertical view of backlight module 100 of the present invention under an embodiment.Fig. 2 illustrates the side view of the blooming piece iterative structure 200 of Fig. 1.
Please refer to Fig. 1 and shown in Figure 2, in this embodiment, backlight module 100 comprises a blooming piece iterative structure 200, a plurality of spacing lug (as the first spacing lug 300A and the second spacing lug 300B) and a framework 400.Framework 400 comprises a plurality of edges 430, the 430 common definition of these edges or around a standing groove 420 in wherein.Blooming piece iterative structure 200 is placed in the standing groove 420.These spacing lugs (as the first spacing lug 300A and the second spacing lug 300B) are connected to the same side of blooming piece iterative structure 200, and respectively from the same side of blooming piece iterative structure 200, protrude towards different directions.At least wherein a edge 430 has at least one stopper slot 440.These spacing lugs (as the first spacing lug 300A and the second spacing lug 300B) are placed in this (a bit) stopper slot 440.
So, by above-mentioned design, when blooming piece iterative structure 200 caused displacement in transportation, the first spacing lug 300A and the second spacing lug 300B are placed groove 420 to be stopped, and then avoids escape framework 400.Specifically, after blooming piece iterative structure 200 was placed into standing groove 420, as Fig. 1, the first spacing lug 300A of blooming piece iterative structure 200 entered in the corresponding stopper slot 440 simultaneously with the second spacing lug 300B.Because the profile of each stopper slot 440 and size roughly meet the first spacing lug 300A and the second spacing lug 300B common profile and size, the inwall 460 of stopper slot 440 is stopped the displacement of the first spacing lug 300A and the second spacing lug 300B, and then avoids escape framework 400.
The first spacing lug 300A and the second spacing lug 300B can be positioned on the same side of blooming piece iterative structure 200.For instance, as described in Fig. 1, Fig. 2, in the backlight module 100 of this embodiment, blooming piece iterative structure 200 comprises a front 210, a reverse side 220 and four sides (as claiming two relative first side 230 and two second side surface opposite 240).Positive 210 is relative with reverse side 220, and these sides jointly around positive 210 with reverse side 220, and in abutting connection with positive 210 and reverse side 220, and the front 210 of blooming piece iterative structure 200 is back to the bottom of standing groove 420.At Fig. 1 and Fig. 2, the first spacing lug 300A and the second spacing lug 300B all are connected same first side 230 of blooming piece iterative structure 200.
The first spacing lug 300A stretches out towards the direction away from blooming piece iterative structure 200, and the bearing of trend of the first spacing lug 300A is not mutually orthogonal with the long limit axial (as Y-axis) of first side 230.The second spacing lug 300B stretches out towards the direction away from blooming piece iterative structure 200, and the bearing of trend of the second spacing lug 300B is not mutually orthogonal with the long limit axial (as Y-axis) of first side 230.As shown in Figure 1, the first spacing lug 300A and the second spacing lug 300B are all linearly banded.The first spacing lug 300A and the second spacing lug 300B all stretch out towards the direction away from blooming piece iterative structure 200, and along with getting over away from blooming piece iterative structure 200, distance between the bearing of trend of the bearing of trend of the first spacing lug 300A and the second spacing lug 300B is more far away, that is the first spacing lug 300A and the second spacing lug 300B are not mutually orthogonal with the long limit axial (as Y-axis) of first side 230.
In order more to reduce the chance that the first spacing lug 300A and the second spacing lug 300B produce displacement or escape stopper slot 440, as shown in Figure 1, two of blooming piece iterative structure 200 relative first sides 230 all have the first spacing lug 300A and the second spacing lug 300B.Framework 400 also has two corresponding stopper slots 440, with the first spacing lug 300A and the second spacing lug 300B that holds each side.Specifically, framework 400 comprises four edges 430, wherein axial (as Y-axis) long limit axial (as Y-axis) of parallel these first sides 230 respectively, the long limit of two relative edges 430.Be concaved with 440, one stopper slots of a stopper slot, the 440 corresponding first spacing lug 300A and the second spacing lug 300B setting (as Fig. 1) on this two relative edge 430 respectively.Yet foregoing description is only for for example, not as restriction of the present invention.The persond having ordinary knowledge in the technical field of the present invention, should look actual needs, also can allow each first side 230 of blooming piece iterative structure 200 all have the first spacing lug 300A and the second spacing lug 300B, and each edge of framework 400 all have stopper slot 440.
Please refer to shown in Figure 2ly, in the embodiments of the present invention, blooming piece iterative structure 200 comprises a plurality of blooming pieces that are superimposed with each other 250.The first spacing lug 300A and the second spacing lug 300B are connected (Fig. 1, Fig. 2) with different persons in these blooming pieces 250 respectively, in other words, and the first spacing lug 300A and the second spacing lug 300B sustained height that do not coexist.
Below will expose several embodiments according to foregoing description, with the first spacing lug of the blooming piece iterative structure of further illustrating backlight module of the present invention and the technological means of the second spacing lug, yet, below each embodiment only be explanation in the example of specification, the present invention is not limited to this.The designer can select suitable technological means to reduce the chance of the first spacing lug and the second spacing lug generation displacement or escape stopper slot according to actual demand and restriction.
Fig. 3 a illustrates the partial enlarged drawing of backlight module of the present invention under an embodiment.
Please refer to shown in Fig. 3 a, in the embodiment of Fig. 3 a, the first spacing lug 300A and the second spacing lug 300B are at least part of folded mutually.Specifically, the first spacing lug 300A and the second spacing lug 300B are connected with different persons in these blooming pieces 250 respectively, and the first spacing lug 300A goes up at least part of folded mutually with axial (as the Z axle) that the second spacing lug 300B is superimposed with each other in blooming piece 250.After blooming piece 250 was superimposed with each other and puts into standing groove 420, the first spacing lug 300A and the second spacing lug 300B were contained in the single stopper slot 440 jointly.Meaning namely, the profile of the profile of this stopper slot 440 and size and the first spacing lug 300A and the second spacing lug 300B phase poststack and measure-alike.So, after the first spacing lug 300A and the second spacing lug 300B were contained in this stopper slot 440, a plurality of inwall 460(of the respectively corresponding first spacing lug 300A and the second spacing lug 300B were as 6 in this stopper slot 440) just more effectively stopped the displacement of the first spacing lug 300A and the second spacing lug 300B.
Fig. 3 b illustrates the partial enlarged drawing of backlight module of the present invention under an embodiment.
Please refer to shown in Fig. 3 b, the first spacing lug 300A and the second spacing lug 300B all have at least one through hole 310 in wherein.Edge 430 also comprises a reference column 471.Reference column 471 passes these through holes 310 of the first spacing lug 300A and the second spacing lug 300B in the lump.So, the reference column 471 that is positioned at these through holes 310 also can stop the first spacing lug 300A and the second spacing lug 300B further along the displacement of X-direction or Y direction, or even avoids escape framework 400.
Further, in the embodiment of Fig. 3 b, the first spacing lug 300A and the second spacing lug 300B all have single through hole 310 in wherein, each through hole 310 is aimed at mutually and is had same axle center A, and lays respectively at mutually on the folded part 390 of the first spacing lug 300A and the second spacing lug 300B.Single reference column 471 is positioned at stopper slot 440, passes the through hole 310 of the first spacing lug 300A and the second spacing lug 300B.In more detail, in the embodiment of Fig. 3 b, the direction (as Z-direction) that single reference column 471 is superimposed with each other along blooming piece 250 from the bottom 441 of stopper slot 440 extends upward.
Fig. 4 a illustrates the partial enlarged drawing of backlight module of the present invention under an embodiment.
Please refer to shown in Fig. 4 a, the first spacing lug 300A and the second spacing lug 300B are not folded mutually.Specifically, the first spacing lug 300A and the second spacing lug 300B are connected with different persons in these blooming pieces 250 respectively, and the first spacing lug 300A and the upright projection of the second spacing lug 300B in the bottom 451 of stopper slot 450 are separated from each other.Anticipate namely, the first spacing lug 300A and the second spacing lug 300B there is no folded part mutually on the direction (as Z-direction) that blooming piece 250 is superimposed with each other.So, when looking down the first spacing lug 300A and the second spacing lug 300B along Z-direction, the joint of the first spacing lug 300A and its blooming piece 250 and the second spacing lug 300B and engaging of its blooming piece 250 are on the direction (as Z-direction) that blooming piece 250 is superimposed with each other and there is no common factor, so that keep a spacing G1 each other on Y direction.
Be concaved with two stopper slots 440 on the wherein edge 430 of framework 400, this two stopper slot 440 respectively corresponding first spacing lug 300A and the second spacing lug 300B arrange.So, after blooming piece 250 was superimposed with each other and puts into standing groove 420, the first spacing lug 300A was contained in respectively in the different stopper slot 450 with the second spacing lug 300B.
Fig. 4 b illustrates the partial enlarged drawing of backlight module of the present invention under an embodiment.
Please refer to shown in Fig. 4 b, in the embodiment of Fig. 4 b, the first spacing lug 300A and the second spacing lug 300B have at least one through hole 320,330 respectively in wherein, because the first spacing lug 300A and the second spacing lug 300B there is no folded part mutually on the direction (as Z-direction) that blooming piece 250 is superimposed with each other, the through hole 320 of the first spacing lug 300A is not aimed at mutually with the through hole 330 of the second spacing lug 300B, and does not have same axle center.Edge 430 also comprises two reference columns 472.This two reference column 472 is positioned at different stopper slot 450, and pass the through hole 320 of the first spacing lug 300A and the through hole 330 of the second spacing lug 300B respectively, limiting the first spacing lug 300A and the second spacing lug 300B along the displacement of X-direction or Y direction, or even avoid escape framework 400.In more detail, in the embodiment of Fig. 4 b, the direction (as Z-direction) that each reference column 472 is superimposed with each other along blooming piece 250 from the bottom 451 of its stopper slot 450 extends upward.
Fig. 5 a illustrates the partial enlarged drawing of backlight module of the present invention under an embodiment.
Please refer to shown in Fig. 5 a, the first spacing lug 300A and the second spacing lug 300B are connected with different persons in these blooming pieces 250 respectively, and the first spacing lug 300A and the second spacing lug 300B are adjacent to each other in the upright projection of the bottom 451 of stopper slot 450.So, when looking down the first spacing lug 300A and the second spacing lug 300B along Z-direction, the joint of the joint of the first spacing lug 300A and its blooming piece 250 and the second spacing lug 300B and its blooming piece 250 there is no spacing each other on Y direction.
Be concaved with two stopper slots 450 on the wherein edge 430 of framework 400, this two stopper slot 450 respectively corresponding first spacing lug 300A and the second spacing lug 300B arrange.So, after blooming piece 250 was superimposed with each other and puts into standing groove 420, the first spacing lug 300A was contained in respectively in the different stopper slot 450 with the second spacing lug 300B.
Fig. 5 b illustrates the partial enlarged drawing of backlight module of the present invention under an embodiment.
Please refer to shown in Fig. 5 b, in the embodiment of Fig. 5 b, the first spacing lug 300A and the second spacing lug 300B have at least one through hole 320,330 respectively in wherein, because the first spacing lug 300A and second spacing lug 300B distance continuously each other on Y direction, the through hole 320 of the first spacing lug 300A is not aimed at mutually with the through hole 330 of the second spacing lug 300B, and does not have same axle center.Edge 430 also comprises two reference columns 472.This two reference column 472 is positioned at different stopper slot 450, and pass the through hole 320 of the first spacing lug 300A and the through hole 330 of the second spacing lug 300B respectively, limiting the first spacing lug 300A and the second spacing lug 300B along the displacement of X-direction or Y direction, or even avoid escape framework 400.In more detail, in the embodiment of Fig. 5 b, the direction (as Z-direction) that each reference column 472 is superimposed with each other along blooming piece 250 from the bottom 451 of its stopper slot 450 extends upward.
Fig. 6 a illustrates the partial enlarged drawing of blooming piece iterative structure under an embodiment of backlight module of the present invention.
Please refer to shown in Fig. 6 a, in the embodiment of Fig. 6 a, two first spacing lug 300A and two second spacing lug 300B are connected with different persons in these blooming pieces 250 respectively, and this 2 first spacing lug 300A the blooming piece 250 that connects respectively not adjacent to each other, this 2 second spacing lug 300B institute blooming piece 250 of connection respectively is not adjacent to each other.So, each first spacing lug 300A the blooming piece 250 that connects respectively adjacent one another are with the blooming piece 250 that each second spacing lug 300B is connected respectively.
Though this 2 first spacing lug 300A 2 second spacing lug 300B therewith is staggered folded mutually in axial (as Z-direction) top that blooming piece 250 is superimposed with each other, but the present invention does not also limit this 2 first spacing lug 300A 2 second spacing lug 300B folded feature mutually not on axial (as Z-direction) that blooming piece 250 is superimposed with each other therewith.
Fig. 6 b illustrates the partial enlarged drawing of blooming piece iterative structure under an embodiment of backlight module of the present invention.
Please refer to shown in Fig. 6 b, two first spacing lug 300A and two second spacing lug 300B are connected with different persons in these blooming pieces 250 respectively, and this 2 first spacing lug 300A the blooming piece 250 that connects respectively adjacent one another are, this 2 second spacing lug 300B institute blooming piece 250 of connection respectively is adjacent one another are.
Though this 2 first spacing lug 300A 2 second spacing lug 300B therewith is upward at least part of folded mutually in axial (as Z-direction) that blooming piece 250 is superimposed with each other, but the present invention does not also limit this 2 first spacing lug 300A 2 second spacing lug 300B folded feature mutually not on axial (as Z-direction) that blooming piece 250 is superimposed with each other therewith.
In addition, multiple with reference to shown in Figure 2, when the first spacing lug 300A stretches out towards the direction away from blooming piece iterative structure 200, the first spacing lug 300A flatly (as X-axis) stretches out towards the direction away from blooming piece iterative structure 200, in other words, the one first minimum air line distance D1 of being separated by between one datum plane 410 of the bottom representative of the first spacing lug 300A and framework 400, blooming piece that the first spacing lug 300A connects 250 and the same datum plane 410 one second minimum air line distance D2 of being separated by, the first minimum air line distance D1 is identical with the second minimum air line distance D2.One the 3rd minimum air line distance D3 of being separated by between one datum plane 410 of the bottom representative of the second spacing lug 300A and framework 400, blooming piece that the second spacing lug 300B connects 250 and same datum plane 410 one the 4th minimum air line distance D4 of being separated by, the 3rd minimum air line distance D3 is identical with the 4th minimum air line distance D4.
Fig. 7 a illustrates the partial enlarged drawing of backlight module of the present invention under an embodiment.
The difference of the embodiment of present embodiment and Fig. 3 a is: in the present embodiment, please refer to shown in Fig. 7 a, the first spacing lug 300C and the second spacing lug 300D are connected with same person in these blooming pieces 250 respectively, in other words, the first spacing lug 300C and the second spacing lug 300D coexistence sustained height.Further, in the embodiment of Fig. 7 a, the first spacing lug 300C and the second spacing lug 300D all protrude outwardly from the same position of the same side of same blooming piece 250.So, after the first spacing lug 300C and the second spacing lug 300D are contained in the single stopper slot 440 jointly, a plurality of inwall 460(of the respectively corresponding first spacing lug 300C and the second spacing lug 300D are as 6 in this stopper slot 440) more effectively stopped the displacement of the first spacing lug 300C and the second spacing lug 300D, and then avoid escape framework 400.
Fig. 7 b illustrates the partial enlarged drawing of backlight module of the present invention under an embodiment.
Please refer to shown in Fig. 7 b, the first spacing lug 300C and the second spacing lug 300D have at least one through hole 310 jointly, and edge 430 also comprises at least one reference column 471.Reference column 471 passes through hole 310.So, the reference column 471 that is positioned at through hole 310 more can stop the first spacing lug 300C and the second spacing lug 300D further along the displacement of X-direction or Y direction, or even avoids escape framework 400.
Further, in the embodiment of Fig. 7 b, the first spacing lug 300C and the second spacing lug 300D have a common part 380 corresponding to the same position of the same side of this blooming piece 250 jointly.The first spacing lug 300C and the second spacing lug 300D have a single through hole 310 on this common ground 380.Single reference column 471 is positioned at stopper slot 440, passes this through hole 310.In more detail, in the embodiment of Fig. 7 b, the direction (as Z-direction) that single reference column 471 is superimposed with each other along blooming piece 250 from the bottom 441 of stopper slot 440 extends upward.
Fig. 8 a illustrates the partial enlarged drawing of backlight module 100 of the present invention under an embodiment.
The difference of the embodiment of present embodiment and Fig. 4 a is: in the present embodiment, please refer to shown in Fig. 8 a, the first spacing lug 300C and the second spacing lug 300D are connected with same person in these blooming pieces 250 respectively, in other words, the first spacing lug 300C and the second spacing lug 300D coexistence sustained height.Further, in the present embodiment, the first spacing lug 300C and the second spacing lug 300D are separated from each other, and are contained in respectively in the different stopper slot 450.Anticipate namely, the first spacing lug 300C and the second spacing lug 300D there is no folded part mutually.So, the joint of the first spacing lug 300C and its blooming piece 250 and the second spacing lug 300D and engaging of its blooming piece 250 are on the direction (as Z-direction) that blooming piece 250 is superimposed with each other and there is no overlapping, so that keep a spacing G2 each other on Y direction.
Fig. 8 b illustrates the partial enlarged drawing of backlight module 100 of the present invention under an embodiment.
Please refer to shown in Fig. 8 b, in the embodiment of Fig. 8 b, the first spacing lug 300C and the second spacing lug 300D have at least one through hole 320,330 respectively in wherein, because the first spacing lug 300C and the second spacing lug 300D there is no folded part mutually, the through hole 320 of the first spacing lug 300C is different through holes with the through hole of the second spacing lug 330D 330.Edge 430 also comprises two reference columns 472.This two reference column 472 is positioned at different stopper slot 450, and pass the through hole 320 of the first spacing lug 300C and the through hole 330 of the second spacing lug 300D respectively, limiting the first spacing lug 300C and the second spacing lug 300D along the displacement of X-direction or Y direction, or even avoid escape framework 400.In more detail, in the embodiment of Fig. 8 b, the direction (as Z-direction) that each reference column 472 is superimposed with each other along blooming piece 250 from the bottom 451 of its stopper slot 450 extends upward.
Fig. 9 a illustrates the partial enlarged drawing of backlight module 100 of the present invention under an embodiment.
The difference of the embodiment of present embodiment and Fig. 5 a is: in the present embodiment, please refer to shown in Fig. 9 a, the first spacing lug 300C and the second spacing lug 300D all are connected with same person in these blooming pieces 250, and first spacing lug 300C and the second spacing lug 300D adjacent to each other, and the first spacing lug 300C is contained in respectively in the different stopper slot 450 with the second spacing lug 300D.So, the joint of the joint of the first spacing lug 300C and its blooming piece 250 and the second spacing lug 300D and its blooming piece 250 there is no spacing each other on Y direction.
Fig. 9 b illustrates the partial enlarged drawing of backlight module 100 of the present invention under an embodiment.
Please refer to shown in Fig. 9 b, in the embodiment of Fig. 9 b, the first spacing lug 300C and the second spacing lug 300D have at least one through hole 320,330 respectively in wherein, because the first spacing lug 300C and second spacing lug 300D distance continuously each other on Y direction, the through hole 320 of the first spacing lug 300C and the through hole 330 of the second spacing lug 300D are not same through hole.Edge 430 also comprises two reference columns 472.This two reference column 472 is positioned at different stopper slot 450, and pass the through hole 320 of the first spacing lug 300C and the through hole 330 of the second spacing lug 300D respectively, limiting the first spacing lug 300C and the second spacing lug 300D along the displacement of X-direction or Y direction, or even avoid escape framework 400.In more detail, in the embodiment of Fig. 9 b, the direction (as Z-direction) that each reference column 472 is superimposed with each other along blooming piece 250 from the bottom 451 of its stopper slot 450 extends upward.
In the above-mentioned embodiment, the same side of all blooming pieces all has the first spacing lug and the second spacing lug (not shown), so more can add the displacement of the restriction first spacing lug and the second spacing lug, and then avoid the escape framework.Yet, the invention is not restricted to this.
Figure 10 illustrates the partial enlarged drawing of blooming piece iterative structure under an embodiment of backlight module of the present invention.
As long as can limit the first spacing lug and the second spacing lug along the displacement of X-direction or Y direction, also may have only that the upper person has the first spacing lug and the second spacing lug in these blooming pieces.In the embodiment of Figure 10, the first spacing lug 300C and the second spacing lug 300D all are connected with same person in these blooming pieces 250, and in these blooming pieces 250, have only that (a blooming piece 250a of Fig. 7 bottom a) has the first spacing lug 300C and the second spacing lug 300D away from standing groove.
To illustrate that below lug 11 on the traditional optical diaphragm 10 is respectively at the vector of the displacement that produces on X-direction and the Y direction, and the present invention first spacing lug 300A and the second spacing lug 300B are respectively at the vector of the displacement that produces on X-direction and the Y direction, and compare its vector magnitude, can reduce along the vector of X-direction and displacement that Y direction is produced with the design of explanation by backlight module of the present invention.
Figure 11 a illustrates lug 11 on the traditional optical diaphragm 10 in the force analysis figure of X-direction and Y direction.
Shown in Figure 11 a, backlight module is in transportation, and the lug 11 on the traditional optical diaphragm 10 is Fx along the vector that X-direction (same Fx) produces displacement.If the quantity of blooming piece 10 is four, then blooming piece 10 is 4*Fx for 4Fx(then along the vector that X-direction (same Fx) produces displacement).
Figure 11 b illustrates the spacing lug of backlight module of the present invention in the force analysis figure of X-direction.
Review Figure 11 b, backlight module 100 of the present invention is in transportation, and the first spacing lug 300A and the second spacing lug 300B are respectively vectorial Fx1 and vectorial Fx2 along the vector that X-direction produces displacement, and wherein the angle of vectorial Fx1 and vectorial Fx is θ
1, the angle of vectorial Fx2 and vectorial Fx is θ
2If the quantity of blooming piece 250 is four, and wherein two have the first spacing lug 300A, two when having the second spacing lug 300B in addition, then vectorial Fx1 is 2FxCOS (θ
1) (be 2*Fx*COS (θ
1)), vectorial Fx2 is 2FxCOS (θ
2) (be 2*Fx*COS (θ
2)).
Because FxCOS is (θ
1) or FxCOS (θ
2So)＜Fx is 2FxCOS (θ
1)+2FxCOS (θ
2)＜4Fx.
So, in the transportation, the lug 11 on the traditional optical diaphragm 10, backlight module of the present invention is less along the vector (strength) that X-direction (same Fx) produces displacement.
As Figure 11 a, backlight module is in transportation, and the lug 11 on the traditional optical diaphragm 10 is Fy along the vector that Y direction (same Fy) produces displacement.If the quantity of blooming piece 10 is four, then blooming piece 10 is 4*Fy for 4Fy(then along the vector that Y direction produces displacement).
Figure 11 c illustrates the spacing lug of backlight module of the present invention in the force analysis figure of Y direction.
Review Figure 11 c, backlight module of the present invention is in transportation, and the first spacing lug 300A and the second spacing lug 300B are respectively vectorial Fy1 and vectorial Fy2 along the vector that Y direction (same Fy) produces displacement, and wherein the angle of vectorial Fy1 and vectorial Fy is θ
3, the angle of vectorial Fy2 and vectorial Fy is θ
4If the quantity of blooming piece 250 is four, and wherein two have the first spacing lug 300A, two when having the second spacing lug 300B in addition, then vectorial Fy1 is 2FyCOS (θ
3) (be 2*Fy*COS (θ
3)), vectorial Fy2 is 2FyCOS (θ
4) (be 2*Fy*COS (θ
4)).Because Fy COS is (θ
3) or Fy COS (θ
4So)＜Fy is 2*Fy*COS (b)＜4Fy.
So, in the transportation, the lug 11 on the traditional optical diaphragm 10, backlight module of the present invention is less along the vector (strength) that Y direction (same Fy) produces displacement.
In summary, the first spacing lug 300A of backlight module of the present invention is arranged in corresponding stopper slot 440(Fig. 3 with the second spacing lug 300B a) can slow down the strength towards folk prescription to displacement in the transportation cause, and the first lug 300A, the second lug 300B that reduce blooming piece 250 produce the chance of displacement or escape posting.
In addition, shown in Figure 11 b, the first spacing lug 300A has one first long axis direction (same Fx1), the second spacing lug 300B has one second long axis direction (same Fx2), the first side 230(of blooming piece iterative structure 200 or blooming piece 250 sides) have a normal direction (same Fx), first long axis direction has one first angle (same θ therewith between the normal direction
1).Second long axis direction has one second angle (same θ therewith between the normal direction
2).First angle or second angle can slow down the strength of the displacement that produces in transportation between 0 °～90 °.
Preferably, when first long axis direction (same Fx1) and second long axis direction (same Fx2) phase quadrature, and first angle (same θ
1) equal second angle (same θ
2) when being 45 °, can the most effective strength of slowing down the displacement that produces in transportation.
Figure 12 illustrates the vertical view of backlight module 101 of the present invention under an embodiment.Backlight module 101 also comprises two adhesive tapes 500, each adhesive tape 500 is attached on each stopper slot 440 and each stopper slot 440 residing edge 430, make these first spacing lug 300A be bound in the corresponding stopper slot 440 with the second spacing lug 300B, reduce these first spacing lug 300A and the second spacing lug 300B break away from stopper slot 440 along Z-direction chance.
Need be appreciated that, these above-mentioned blooming pieces 250 of the present invention can be had same material, shape or size each other, and when making these blooming pieces 250, the annexation of spacing lug (as the first spacing lug 300A and the second spacing lug 300B) and blooming piece 250 just is not coupled to one after not being limited to directly integrally formed or shaping.
In sum, the design of these the spacing lugs by backlight module of the present invention can reduce the chance of these spacing lug escape frameworks of blooming piece, reduces backlight module and produces problems such as light leak or brightness irregularities.
Claims (18)
1. a backlight module is characterized in that, comprises:
One blooming piece iterative structure;
A plurality of spacing lugs respectively from the same side of this blooming piece iterative structure, protrude towards different directions; And
One framework, comprise a plurality of edges, described a plurality of edges define a standing groove jointly in wherein, and this blooming piece iterative structure is placed in this standing groove, wherein at least one has at least one stopper slot in wherein to wherein said a plurality of edge, and described a plurality of spacing lugs are placed in this stopper slot.
2. backlight module according to claim 1 is characterized in that, this blooming piece iterative structure comprises:
A plurality of blooming pieces that are superimposed with each other, wherein said a plurality of spacing lugs are connected with different described blooming piece respectively.
3. backlight module according to claim 1 is characterized in that, described a plurality of spacing lugs are at least part of folded mutually.
4. backlight module according to claim 1 is characterized in that, each described spacing lug all has at least one through hole in wherein; And
This backlight module also comprises a reference column, and this reference column passes the described through hole of described a plurality of spacing lugs in the lump.
5. backlight module according to claim 1 is characterized in that, each described spacing lug all has at least one through hole in wherein; And
This backlight module also comprises a plurality of reference columns, and described a plurality of reference columns pass the described through hole of described a plurality of spacing lugs respectively.
6. backlight module according to claim 1 is characterized in that, the upright projection of the bottom of described a plurality of spacing lugs in this stopper slot separately.
7. backlight module according to claim 1 is characterized in that, the upright projection of the bottom of described a plurality of spacing lugs in this stopper slot is adjacent.
8. backlight module according to claim 1 is characterized in that, this blooming piece iterative structure comprises:
A plurality of blooming pieces that are superimposed with each other, wherein said a plurality of spacing lugs are connected with two adjacent described blooming pieces respectively.
9. backlight module according to claim 1 is characterized in that, this blooming piece iterative structure comprises:
A plurality of blooming pieces that are superimposed with each other, wherein said a plurality of spacing lugs are connected with non-conterminous described blooming piece respectively.
10. backlight module according to claim 1 is characterized in that, this blooming piece iterative structure comprises:
A plurality of blooming pieces that are superimposed with each other, wherein at least one is connected wherein said a plurality of spacing lug with described a plurality of blooming pieces, each described spacing lug has one first minimum air line distance between a datum plane of this framework bottom, this blooming piece that each described spacing lug connects is to having one second minimum air line distance between this datum plane, wherein this first minimum air line distance is identical with this second minimum air line distance.
11. backlight module according to claim 1 is characterized in that, this blooming piece iterative structure comprises:
A plurality of blooming pieces that are superimposed with each other, wherein said a plurality of spacing lugs all are connected with same described blooming piece.
12. backlight module according to claim 11 is characterized in that, described a plurality of spacing lugs all protrude outwardly from the same position of a side of same described blooming piece.
13. backlight module according to claim 11 is characterized in that, described a plurality of spacing lugs have a common part, and this common ground has a through hole in wherein; And
This backlight module also comprises a reference column, and this reference column passes this through hole.
14. backlight module according to claim 11 is characterized in that, this blooming piece that described a plurality of spacing lugs connect is away from the bottom person of this standing groove in described a plurality of blooming piece.
15. backlight module according to claim 11 is characterized in that, described a plurality of spacing lugs have a spacing respectively and between this blooming piece iterative structure joint.
16. backlight module according to claim 11 is characterized in that, described a plurality of spacing lugs distance continuously respectively and between this blooming piece iterative structure joint.
17. backlight module according to claim 1, it is characterized in that each described spacing lug all has a long axis direction, this side of this blooming piece iterative structure has a normal direction, have an angle between this long axis direction and this normal direction, this angle is about 0 °～90 °.
18. backlight module according to claim 1 is characterized in that, also comprises:
One adhesive tape, this adhesive tape are attached at this stopper slot top, make described spacing lug be bound in this stopper slot.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310146019.2A CN103196085B (en) | 2013-04-24 | 2013-04-24 | Backlight module |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310146019.2A CN103196085B (en) | 2013-04-24 | 2013-04-24 | Backlight module |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103196085A true CN103196085A (en) | 2013-07-10 |
| CN103196085B CN103196085B (en) | 2015-09-16 |
Family
ID=48718807
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310146019.2A Expired - Fee Related CN103196085B (en) | 2013-04-24 | 2013-04-24 | Backlight module |
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| Country | Link |
|---|---|
| CN (1) | CN103196085B (en) |
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| CN104315415A (en) * | 2014-10-22 | 2015-01-28 | 深圳市华星光电技术有限公司 | Liquid crystal display device and backlight module |
| CN105911751A (en) * | 2016-04-21 | 2016-08-31 | 青岛海信电器股份有限公司 | Backlight module and liquid crystal display equipment |
| CN107608131A (en) * | 2017-09-16 | 2018-01-19 | 合肥惠科金扬科技有限公司 | A kind of manufacture method of the backboard of backlight module |
| CN107621725A (en) * | 2017-09-16 | 2018-01-23 | 合肥惠科金扬科技有限公司 | A kind of backboard of backlight module |
| CN107765478A (en) * | 2017-09-16 | 2018-03-06 | 合肥惠科金扬科技有限公司 | A kind of backlight module |
| CN107850799A (en) * | 2015-07-28 | 2018-03-27 | 堺显示器制品株式会社 | Display device |
| CN112437577A (en) * | 2020-08-18 | 2021-03-02 | 深圳市安华光电技术有限公司 | Positioning and mounting structure of DMD device and electronic equipment |
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| CN104315415A (en) * | 2014-10-22 | 2015-01-28 | 深圳市华星光电技术有限公司 | Liquid crystal display device and backlight module |
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| CN107608131A (en) * | 2017-09-16 | 2018-01-19 | 合肥惠科金扬科技有限公司 | A kind of manufacture method of the backboard of backlight module |
| CN107621725A (en) * | 2017-09-16 | 2018-01-23 | 合肥惠科金扬科技有限公司 | A kind of backboard of backlight module |
| CN107765478A (en) * | 2017-09-16 | 2018-03-06 | 合肥惠科金扬科技有限公司 | A kind of backlight module |
| CN112437577A (en) * | 2020-08-18 | 2021-03-02 | 深圳市安华光电技术有限公司 | Positioning and mounting structure of DMD device and electronic equipment |
| CN112437577B (en) * | 2020-08-18 | 2022-04-01 | 深圳市安华光电技术有限公司 | Positioning and mounting structure of DMD device and electronic equipment |
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| Publication number | Publication date |
|---|---|
| CN103196085B (en) | 2015-09-16 |
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