CN201184548Y

CN201184548Y - Backlight module unit

Info

Publication number: CN201184548Y
Application number: CNU2008200560380U
Authority: CN
Inventors: 杜选民
Original assignee: Suzhou Canyu Optical Co Ltd
Current assignee: Suzhou Canyu Optical Co Ltd
Priority date: 2008-03-06
Filing date: 2008-03-06
Publication date: 2009-01-21
Anticipated expiration: 2018-03-06

Abstract

The utility model discloses a backlight module which comprises a rubber frame, at least an optical mask and a fixed elastic piece. A containing groove, a first groove, and a second groove are arranged at least one frame side of the rubber frame and communicated with each other through a first through-hole and a second through-hole. The fixed elastic piece has a strip-shaped structure, and comprises a first insertion section, a second insertion section, a third insertion section and a hand-hole section. The first insertion section passes through the first groove, the first through-hole, the containing groove and the second through-hole and then is contained in the second groove; the second insertion section passes through the first groove and the first through-hole and then is contained in the containing groove; the second insertion section is positioned above a location piece of the optical mask so as to fixing the optical mask; and the third insertion section is contained in the first groove.

Description

Module backlight

[technical field]

The utility model relates to a kind of module backlight, particularly relevant for a kind of extraction-type shell fragment that utilizes blooming piece is fixed in module backlight on the glue frame.

[background technology]

At present, module backlight extensive use to numerous electronic products such as LCD TV, notebook computer, palm PC, picture telephone, digital camera screen, module backlight (BackLight Module) can make its normally show image for panel of LCD provides one evenly, the light source of high brightness.General module backlight mainly is made up of members such as light source, reflector plate, LGP, multiple blooming piece (for example diffusion sheet, prismatic lens etc.) and glue frames, and how in this compact spatial structure, obtain the constitutional balance of each member, become the designer and wanted one of the problem that to face.

Please refer to Figure 1A to Fig. 1 D, wherein demonstrate the blooming piece 8 in the existing module 100 backlight and the structure and the syntagmatic of glue frame 9.The upper surface that should have at least one edge 90 of glue frame 9 now is formed with an accepting groove 91 to lower recess, and the left and right sides of accepting groove 91 then is formed with two steps 92 that are symmetry shape.The inner bottom surface of accepting groove 91 is provided with on location boss 910, two steps 92 and then is formed with two relative catching grooves 920.One U type Location resilient piece 7 is sheathed on the edge 90, so that blooming piece 8 is fixed on the glue frame 9.Location resilient piece 7 has the 3rd flanging 73 that second flanging 72 that one first flanging 71, forms from the 71 vertical bendings of first flanging and forms from the 72 vertical bendings of second flanging, be formed with a breach 710 on first flanging 71, and two downward-sloping elastic fastening plates 712.

Blooming piece 8 has a location lug 80, corresponding to the accepting groove 91 of glue frame 9, and offers a locating hole 81 on the positioning tab 80.When being assembled to blooming piece 8 on the glue frame 9, the positioning tab 80 of blooming piece 8 is to be incorporated in the accepting groove 91 of glue frame 9, and the positioning boss in the accepting groove 91 910 interts to the locating hole 81 of positioning tab 80.When Location resilient piece 7 is assembled on the glue frame 9, first flanging 71 of Location resilient piece 7 is installed on the upper surface of the edge 90 of glue frame 9, second, the

3rd flanging

72,73 are coated on the side and the bottom surface of the edge 90 of glue frame 9, wherein first flanging 71 of Location resilient piece 7 is the tops that are positioned at the positioning tab 80 of the accepting groove 91 of glue frame 9 and blooming piece 8, the breach 710 of first flanging 71 is sleeved on the positioning boss 910 of glue frame 9, elastic fastening plate 712 on first flanging 71 then is sticked in the catching groove 920 of step 92, Location resilient piece 7 can be fixed on the glue frame 9 in this way, and blooming piece 8 compressed and be fixed in the accepting groove 91 of glue frame 9, and then blooming piece 8 is fixed in vertical direction with respect to glue frame 9.

Existing module backlight 100 are elastic fastening plates 712 of utilizing Location resilient piece 7 with glue frame 9 on corresponding catching groove 920 match so that blooming piece 8 is fixed in vertical direction, after yet elastic fastening plate 712 snaps in catching groove 920 on the glue frame 9, because first flanging 71 of Location

resilient piece

7 and 90 of the edges of glue frame 9 are to be close-fitting state, so when the dismounting maintenance, be difficult to elastic fastening plate 712 is removed from catching groove 920, even remove by force, elastic fastening plate 712 also very easily is out of shape and can't reuses.Therefore, the locate mode of existing blooming piece is very inconvenience in use, causes operational difficulty, and make cost improve.

Therefore, be necessary to provide a kind of module backlight, it has adopted a kind of locate mode of novelty to blooming piece, to overcome the defective that exists in the prior art.

[summary of the invention]

Main purpose of the present utility model is to provide a kind of module backlight, includes the extraction-type fixation spring tab, in order to blooming piece is fixed on the glue frame, and installing/dismounting be convenient, to guarantee the assembling quality of this module backlight.

Other purpose of the present utility model and advantage can be further understood from the disclosed technical characterictic of the utility model.

In order to achieve the above object or other purpose, the utility model adopts following technical scheme: a kind of module backlight includes: a glue frame, at least one blooming piece and a fixation spring tab, wherein the glue frame has at least one edge, upper surface at this edge is formed with an accepting groove to lower recess, one first groove, one second groove, one first through hole and one second through hole, and wherein the inner bottom surface at this accepting groove is provided with a location boss; First and second groove lays respectively at the two opposite sides of this accepting groove and separates with this accepting groove, and this first through hole is communicated with this first groove and this accepting groove, and this second through hole then is communicated with this accepting groove and this second groove.Blooming piece has an at least one side and a location lug, and this positioning tab convexedly stretches in this side edge, and this positioning tab is formed with a locating hole, and this positioning tab is placed in this accepting groove of this edge of this glue frame, and this positioning boss embeds in this locating hole.This fixation spring tab extends in this first groove, this first through hole, this accepting groove, this second through hole and this second groove, in order to the top of this positioning tab of propping up this blooming piece, limits this blooming piece moving on its normal direction.

According to an embodiment of the present utility model, this fixation spring tab is to be strip structure, this fixation spring tab includes: one first inserts section, one second inserts section and the 3rd and inserts section, wherein first inserts section and passes first groove, first through hole, accepting groove and second through hole and enter in second groove; Second inserts section inserts section in abutting connection with first, and passes first groove and first through hole and enter in the accepting groove, and this second inserts the top that section is positioned at positioning tab; And the 3rd insertion section adjacency second insertion section, and be placed in first groove, the 3rd insertion section has a projection block, and this projection block is resisted against one second cell wall that is adjacent to accepting groove of first groove.

According to an embodiment of the present utility model, on the short transverse of this edge of glue frame, the inner bottom surface of accepting groove is the inner bottom surface that is lower than first, second groove.

According to an embodiment of the present utility model, first groove on this edge of glue frame has first cell wall that is away from accepting groove, this first cell wall includes a vertical plane and an inclined-plane, and wherein vertical plane is that inner bottom surface from first groove vertically extends upward; The inclined-plane is to extend to the outer side of first groove from the top of vertical plane.

According to an embodiment of the present utility model, this fixation spring tab more includes: a shoulder and a handling section, and wherein shoulder is to insert section from the 3rd vertically to extend upward, and is resisted against the vertical plane of first cell wall of first groove; Handling section is to extend to the outer side of first groove from the top of shoulder to form, and is resisted against on the inclined-plane of first cell wall of first groove.

According to an embodiment of the present utility model, on this edge of glue frame, be provided with one the 3rd groove in addition, be positioned at a side of first cell wall of first groove, with handling section corresponding to fixation spring tab.

According to an embodiment of the present utility model, the inner bottom surface of first groove on this edge of glue frame is the inner bottom surface that is higher than or flushes in second groove, is beneficial to this fixation spring tab and inserts.

According to an embodiment of the present utility model, the side wall in second through hole on this edge of glue frame is to be higher than or to flush in side wall in first through hole, is beneficial to this fixation spring tab and inserts.

According to an embodiment of the present utility model, the inner bottom surface of second groove on this edge of glue frame be adjacent to the accepting groove side, be one and be and help fixation spring tab and insert flexure plane in second groove.

Compared to prior art, module backlight of the present utility model is first groove, first through hole, accepting groove, second through hole and second groove that mutual perforation is set on the glue frame, thereby make fixation spring tab can be arranged in first groove, accepting groove and second groove with banded structure, fixation spring tab just can be from the top of glue frame with the spacer locking of blooming piece, to prevent that the blooming piece escape is outside the glue frame like this.In addition, the fixation spring tab of module backlight adopts removable structure in the utility model, not only can realize the good fixed effect to blooming piece, but also is convenient to assembling and dismounting, thereby enhances productivity.

[description of drawings]

Figure 1A is the STRUCTURE DECOMPOSITION schematic diagram of blooming piece, glue frame and the fixation spring tab of existing module backlight.

Figure 1B is the part-structure schematic diagram of a wherein edge of the existing glue frame shown in Figure 1A.

Fig. 1 C is the structural representation of the existing fixation spring tab shown in Figure 1A.

Fig. 1 D is that the existing blooming piece shown in Figure 1A is assembled in the part-structure schematic diagram on the glue frame.

Fig. 2 is the wherein three-dimensional decomposition texture schematic diagram of glue frame, blooming piece and the fixation spring tab of the module backlight of an embodiment of the utility model.

Fig. 3 is the wherein part-structure schematic diagram of a wherein edge of the glue frame of an embodiment of the utility model shown in Fig. 2.

Fig. 4 is the wherein structural representation of the fixation spring tab of an embodiment of the utility model shown in Fig. 2.

Fig. 5 is the wherein part-structure schematic diagram of a wherein side of the blooming piece of an embodiment of the utility model shown in Fig. 2.

Fig. 6 be the utility model shown in Fig. 2 wherein the blooming piece of an embodiment be assembled in part-structure schematic diagram on the glue frame.

Fig. 7 is wherein the glue frame, blooming piece of the module backlight of an embodiment and the cross-sectional view after the fixation spring tab combination of the utility model shown in Fig. 2.

[specific embodiment]

The explanation of following each embodiment is graphic with reference to what add, can be in order to the specific embodiment of implementing in order to illustration the utility model.The direction term that the utility model is mentioned, for example " on ", D score, " preceding ", " back ", " left side ", " right side " etc., only be direction with reference to annexed drawings.Therefore, the direction term of use is to be used for explanation, but not is used for limiting the utility model.

Please refer to the backlight module of Fig. 2 to an embodiment of the present utility model shown in Figure 7, the module backlight 1 in the present embodiment includes a glue frame 10, a plurality of blooming piece (only expressing a wherein blooming piece 20 among the figure) and a fixation spring tab 30.

Please refer to Fig. 2 and shown in Figure 3, the glue frame 10 of present embodiment has a plurality of edges 11 that are made of sidewall.In the present embodiment, glue frame 10 is rectangular frameworks, has four mutually perpendicular haply sidewalls or edge, and these sidewalls have identical haply height.But this only belongs to a wherein embodiment of the present utility model, does not limit the applicable category of the utility model.The edge 11 of glue frame 10 has a upper surface (not label), and the upper surface of at least one edge 11 of glue frame 10 is provided with the blooming piece fixed structure that is used for fixing blooming piece 20, this blooming piece fixed structure includes an accepting groove 12, its be formed on the upper surface of edge 11 and along the short transverse of edge 11 to lower recess, have an inner bottom surface.Blooming piece fixed structure includes one first groove 13 and one second groove 14 in addition, be formed at respectively on the upper surface of edge 11 and be positioned at the both sides of accepting groove 12, and each

groove

13,14 is all separated at a distance of a segment distance along edge 11 and accepting groove 12.Blooming piece fixed structure also includes one first through hole 15 and one second through hole 16, be formed in the edge 11 and respectively first and

second groove

13,14 be communicated to accepting groove 12, so first and second groove the 13, the 14th, see through first and second through

hole

15,16 and be connected with accepting groove 12.

First groove 13 is defined and is formed by be connected in inner bottom surface between first and second cell wall 130,133 away from first cell wall 130 of accepting groove 12, second cell wall 133 and that is adjacent to accepting groove 12.Form this on second cell wall 133 of first groove 13 and be communicated in first through hole 15 between first groove 13 and the accepting groove 12.First cell wall 130 of first groove 13 has a vertical plane 131 and an inclined-plane 132, wherein vertical plane 131 is that inner bottom surface from first groove 13 extends vertically upward along the short transverse of edge 11, and inclined-plane 132 then is to form along extending obliquely away from the direction of first groove 13 or towards the outer side of first groove 13 from the top of vertical plane 131.

Second groove 14 is by a cell wall that is adjacent to accepting groove 12, a cell wall away from accepting groove 12 equally, and one is connected in inner bottom surface between these two cell walls and is defined and form.In graphic, two cell walls of this of second groove 14 and this inner bottom surface are not all indicated, and second through hole 16 is to be formed between the cell wall that is adjacent to accepting groove 12 and accepting groove 12 of second groove 14.

In the present embodiment, on the short transverse of edge 11, the inner bottom surface of accepting groove 12 is the inner bottom surfaces that are lower than first,

second groove

13,14, and accepting groove 12 can be reserved certain accommodating and installing space for blooming piece 20 like this.

In addition, be understandable that: on other edge (as edge 17) of glue frame 10, also can be provided with the blooming piece fixed structure (not shown) identical with above-mentioned edge 11, be used for fixing blooming piece 20, particularly can on the edge (for example edge shown in the figure 11 and 17) of two symmetries, identical blooming piece fixed structure be set, be used for fixing blooming piece 20, with the fixed effect of further raising to blooming piece 20.

In addition, set blooming piece fixed structure includes a positioning boss 120 that is formed in the accepting groove 12 in addition on the edge 11, it is one to be formed at the cylindrical bump position on the inner bottom surface of accepting groove 12 in the present embodiment, but also can be the structure of other shape.

Please refer to Fig. 2, Fig. 3, Fig. 5 and shown in Figure 7, blooming piece 20 is that the blooming piece fixed structure (and/or blooming piece fixed structure of edge 17) that sees through on the edge 11 is installed on the glue frame 10, at this point, blooming piece 20 has a plurality of sides, wherein has the edge 11 of a side 21 corresponding to glue frame 10 at least.Protruded out a location lug 22 on a side 21 of blooming piece 20, its size and location are in the accepting groove 12 that can be contained on the edge 11.Be formed with a locating hole 220 on the positioning tab 22, corresponding to the positioning boss 120 in the accepting groove 20, and can be in positioning tab 22 be incorporated into accepting groove 12 time, short transverse along edge 11 is sheathed with on the positioning boss 120 of accepting groove 12, and is in this way that blooming piece 20 is fixing with respect to glue frame 10.Be understandable that: other edge of glue frame 10 (as edge 17) is provided with in the situation of aforementioned blooming piece fixed structure, also can be provided with the structure (as positioning tab 24) identical on other of blooming piece 20 and the corresponding side of these edges (as side 23) with above-mentioned side 21, particularly can on the

symmetrical side

21,23 identical positioning tab be set two of blooming piece 20, for with glue frame 10 on blooming piece fixed structure on the

corresponding edge

11,17 match, improve the fixed effect of blooming piece 20 effectively.

Please refer to Fig. 3, Fig. 4, Figure 6 and Figure 7, fixation spring tab 30 is installed on the edge 11 of glue frame 10,, in this way blooming piece 20 is fixed on the glue frame 10 along the short transverse of the edge 11 of glue frame 10 (also being the normal direction of blooming piece 20 in the present embodiment) mobile this accepting groove 12 of disengaging that causes accepting groove 12 in order to the positioning tab 22 of restriction blooming piece 20.In the present embodiment, fixation spring tab 30 is to be banded or rectangular laminated structure and sheet metal with elastic bending character, or other has similar structures and elastic deformability's material piece.The rectangular laminated structure of fixation spring tab 30 can be divided into one first successively along the length bearing of trend and

insert section

31,1

second insertion section

32,1 the 3rd insertion section 33 and one handling section 34.First, second and third to insert the upper and lower surface of

section

31,31 and 33 concordant mutually and connect and form a rectangular lamellar body 35, and handling section 34 is the free terminal sides that are connected to the 3rd insertion section 33 through a shoulder 36, and tilt obliquely, be beneficial to the hand-held and operation of user.

Though fixation spring tab 31 is to be distinguished into first, second, third to

insert section

31,32,33, but according to embodiment of the present utility model, fixation spring tab 31 is preferably by sheet metal one-body molded making in addition, for example, therefore first, second, third insert section the 31,32, the 33rd, form a continuous rectangular lamellar body 35 with the in addition moulding of the stamping press of metal sheet.Certainly, handling section 34 also can be integrally formed with first, second,

third insertion section

31,32,33 by the stamping press of metal sheet.

Please refer to Fig. 4, Figure 6 and Figure 7, in assembling, the user can see through the handling section 34 that grips fixation spring tab 30 with hand, first of fixation spring tab 30 is inserted section 31 penetrate to first groove 13 of edge 11, and further this first is inserted section 31 and intert in regular turn and enter and be placed in second groove 14 by first through hole 15, accepting groove 12 and second through hole 16.Along with first insert section 31 in first groove 13 is inserted into second groove 14 always, second inserts section 32 also can pass first groove 13 and first through hole 15 and enter and be placed in the accepting groove 12, the 3rd inserts section 33 then is placed in first groove 13.

The structure of fixation spring tab 30 is to make it when interting to edge 11, it first, second, third inserts in second groove 14 that

section

31,32,33 lays respectively at edge 11, accepting groove 12, first groove 13, first and second connecting portion (not indicating) that inserts 31,32 of sections then is positioned at second through hole 16, and second and third connecting portion (not indicating) that inserts 32,33 of sections is positioned at first through hole 15.Fixing relation by 15,16 of these connecting portions and through holes can prevent that fixation spring tab 30 from moving with respect to glue frame 10.Among the embodiment shown in the figure, on the glue frame 10 configuration of set first groove 13, first through hole 15, accepting groove 12, second through hole 16, second groove 16 be haply along one with the highly vertical direction of the edge 11 of glue frame 10, therefore in this embodiment, can prevent that fixation spring tab 30 from moving with respect to glue frame 10 along the short transverse of the edge 11 of glue frame 10.

Moreover in the time of in fixation spring tab 30 is inserted into glue frame 10, it is to be placed in the accepting groove 12 that second of fixation spring tab 30 inserts section 32, and is positioned at the top of the positioning boss 120 of accepting groove 12.Because the positioning tab 22 of blooming piece 20 is to be positioned at accepting groove 12 and its locating hole 220 is sheathed on the positioning boss 120, therefore, it is the tops that are arranged at the positioning tab 22 of blooming piece 20 that second of fixation spring tab 30 inserts section 32, prop up blooming piece 20, move with respect to glue frame 10 along its normal direction and on glue frame 10, come off or separate to prevent blooming piece 20.

In addition; the 3rd of fixation spring tab 20 inserts section 33 and is provided with a projection block 330; can be when fixation spring tab 20 be inserted in first groove 13, first through hole 15, accepting groove 12, second through hole 16, second groove 14 of glue frame 10; by this projection block 330 against to first groove 13, being adjacent on second cell wall 133 of accepting groove 12; cause edge 11 or fixation spring tab 30 impaired to prevent fixation spring tab 30 from excessively inserting, and then the effect of protection total is provided.

Projection block 330 can be any structure that inserts on second cell wall 133 that section 33 projectioies can be resisted against second groove 13 from the 3rd, inclination laminated structure as shown in Figure 4 for example, and it can be formed by any suitable processing mode, as punching press.Therefore, be when forming at fixation spring tab 30 by stamped metal sheets, it can make projection block 330 very easily, and need not to use additional processing operation or processing procedure.

The handling section 34 of fixation spring tab 30 is the free terminals that are connected to the 3rd insertion section 33 through shoulder 36.In the present embodiment, shoulder 36 is vertically to extend upward from the 3rd free terminal that inserts section 33 haply, handling section 34 then from the upper extremity of shoulder 36 or top along tilting to extend away from the direction of fixation spring tab 30 or towards the outer side of first groove 13.In assembling, in the time of in fixation spring tab 30 is inserted into glue frame 10, its shoulder 36 is resisted against on the vertical plane 131 of first cell wall 130 of first groove 13, deviates to prevent fixation spring tab 30 accidents, and handling section 34 then is resisted against on the inclined-plane 132 of first cell wall 130 of first groove 13.In the time will dismantling fixation spring tab 30, only need gripping handling section 34 upwards to make the jump over vertical plane 131 of first cell wall 130 of shoulder 36, both fixation spring tab 30 can be extracted out.

Please refer to shown in Figure 7, in the present embodiment, insert for ease of fixation spring tab 30, on the short transverse of the edge 11 of glue frame 10, the inner bottom surface of first groove 13 is the inner bottom surfaces that flush in second groove 14 haply, and side wall in first through hole 15 or upper surface also flush in roof wall or upper surface in second through hole 16 haply.And be first insertion of inserting section 31 that helps fixation spring tab 30, the inner bottom surface side adjacent to accepting groove 12 of second groove 14 is the designs that are circular arc or flexure plane, has the flaring inlet position towards accepting groove 12.Certainly, in other embodiments, the inner bottom surface of second groove 14 also can be lower than the inner bottom surface of first groove 13, and side wall in second through hole 16 or upper surface can be higher than side wall or upper surface in first through hole 15, can further facilitate fixation spring tab 30 like this and insert.

Please refer to Fig. 3 and shown in Figure 6, hand-held for ease of the handling section 34 of fixation spring tab 30, with insertion and the extraction that helps fixation spring tab 34, on the edge 11 of glue frame 10, optionally add one the 3rd groove 18, the 3rd groove 18 is these sides that are positioned at first cell wall 130 of first groove 13, with the handling section 34 corresponding to fixation spring tab 30.In one embodiment, the 3rd groove 18 is that be connected with first groove 13 inner bottom surface 180 of the 3rd groove 18 then intersects (not shown) with the top on the inclined-plane 132 of first groove 13, and therefore the inner bottom surface of the 3rd groove 18 is the inner bottom part that is higher than first groove 13 on the short transverse of the edge 11 of glue frame 10.Fixation spring tab 30 is inserted or extracted in operating space when the 3rd groove 18 provides the certain hand of user to help the user.In addition, in the present embodiment, for further helping the hand-held of handling section 34,132 on the inclined-plane of first cell wall 130 of the inner bottom surface 180 of the 3rd groove 18 and first groove 13 can form a stage portion 182.Therefore, simply, the top of contiguous first grooves 13 of the 3rd groove 18 is to be connected with the top on the inclined-plane 132 of first cell wall 130 of first groove 13, can be to form for the space of handling section 34 start within it, and then can help the operation of handling section 34.

From above embodiment as can be known, the module backlight 1 that a wherein embodiment of the present utility model is disclosed is first groove 13, first through hole 15, accepting groove 12, second through hole 16 and second groove 14 that mutual perforation is set on glue frame 10, thereby make fixation spring tab 30 can be arranged in first groove 13, accepting groove 12 and second groove 14 with banded structure, fixation spring tab 30 can be compressed the positioning tab 22 of blooming piece 20 fixingly from the top of glue frame 10 like this, prevents that blooming piece 20 from coming off on glue frame 10.In addition, the fixation spring tab 30 of the module backlight 1 in a wherein embodiment of the present utility model is to adopt removable structure, so not only can access the well secured effect to blooming piece 20, and can be convenient to assembling and dismounting, enhances productivity.

Claims

1. module backlight includes: a glue frame, at least one blooming piece and a fixation spring tab, and wherein the glue frame has at least one edge, is formed with an accepting groove to lower recess at the upper surface of this edge, is provided with a location boss at the inner bottom surface of this accepting groove; Blooming piece has an at least one side and a location lug, and this positioning tab convexedly stretches in this side edge, and this positioning tab is formed with a locating hole, and this positioning tab is placed in this accepting groove of this edge of this glue frame, and this positioning boss embeds in this locating hole; It is characterized in that: the upper surface at this edge of this glue frame also is formed with one first groove, one second groove, one first through hole and one second through hole, wherein first and second groove lays respectively at the two opposite sides of this accepting groove and separates with this accepting groove, this first through hole is communicated with this first groove and this accepting groove, and this second through hole then is communicated with this accepting groove and this second groove; This fixation spring tab extends in this first groove, this first through hole, this accepting groove, this second through hole and this second groove, in order to the top of this positioning tab of propping up this blooming piece, limits this blooming piece moving on its normal direction.

2. module backlight as claimed in claim 1, it is characterized in that: this fixation spring tab is to be strip structure, this fixation spring tab includes: one first inserts section, one second inserts section and the 3rd and inserts section, wherein first inserts section and passes this first groove, this first through hole, this accepting groove and this second through hole and enter in this second groove; Second inserts section first inserts section in abutting connection with this, and passes this first groove and this first through hole and enter in this accepting groove, and this second inserts the top that section is positioned at this positioning tab; And the 3rd insert section and second insert section in abutting connection with this, and be placed in this first groove, and the 3rd inserts section has a projection block, and this projection block is resisted against one second cell wall that is adjacent to this accepting groove of this first groove.

3. module backlight as claimed in claim 2, it is characterized in that: this first groove has one away from first cell wall of this accepting groove and second cell wall of contiguous this accepting groove, this first cell wall includes a vertical plane and an inclined-plane, and this vertical plane is that the inner bottom surface from this first groove vertically extends; This inclined-plane is to extend to the outer side of this first groove from the top of this vertical plane.

4. module backlight as claimed in claim 3 is characterized in that: this fixation spring tab more includes: a shoulder and a handling section, and wherein shoulder is to insert section from the 3rd vertically to extend, and contacts this vertical plane of this first cell wall of this first groove; Handling section is to extend to the outer side of this first groove from the top of this shoulder, and contacts this inclined-plane of this first cell wall of this first groove.

5. module backlight as claimed in claim 4 is characterized in that: also be formed with one the 3rd groove on this edge of this glue frame, the 3rd groove is positioned at a side of this first cell wall of this first groove, and corresponding to this handling section of this fixation spring tab.

6. module backlight as claimed in claim 1 is characterized in that: the inner bottom surface of this first groove is to be higher than or to flush in the inner bottom surface of this second groove, is beneficial to this fixation spring tab and inserts.

7. module backlight as claimed in claim 6 is characterized in that: the top side face of this second through hole is to be higher than or to flush in the top side face of this first through hole, is beneficial to this fixation spring tab and inserts.

8. module backlight as claimed in claim 1 is characterized in that: the part that is adjacent to this accepting groove of the inner bottom surface of this second groove is to be flexure plane.

9. module backlight as claimed in claim 1 is characterized in that: on the short transverse of this edge, the inner bottom surface of this accepting groove is the inner bottom surface that is lower than first and second groove.