CN101737735A - Backlight module and adhesive frame structure thereof - Google Patents
Backlight module and adhesive frame structure thereof Download PDFInfo
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- CN101737735A CN101737735A CN201010003892A CN201010003892A CN101737735A CN 101737735 A CN101737735 A CN 101737735A CN 201010003892 A CN201010003892 A CN 201010003892A CN 201010003892 A CN201010003892 A CN 201010003892A CN 101737735 A CN101737735 A CN 101737735A
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Abstract
The invention relates to an adhesive frame structure and a backlight module. The backlight module comprises a back plate, a light guide plate and the adhesive frame structure, wherein the adhesive frame structure is used for positioning the light guide plate and the back plate and comprises two first frames and two second frames, wherein the two first frames and the two second frames are used for supporting four end angles of the light guide plate; the first fames are combined with the back plate with a first positioning part and a first combining part; and the second frames are combined with the back plate with a plurality of second positioning parts. The invention changes the adhesive frame structure into a four-blade type design, replaces a well-known integral forming type square-shaped adhesive frame with four L-shaped angle adhesive frames, is not only suitable for various backlight modules with different dimensions, but also saves the mould opening cost by utilizing the volume minimization of the adhesive frame, and can also effectively save the material cost of the adhesive frame due to needed material minimization, thereby achieving the purpose of reducing the cost of a mould and a finished product of the adhesive frame.
Description
Technical field
The relevant a kind of fixed structure of the present invention, particularly a kind of backlight module and adhesive frame structure thereof.
Background technology
The progressive fast and evolution along with display technology, traditional cathode-ray tube (cathode ray tube, CRT) because of exist space utilization not good with consume problem such as a large amount of energy, be eliminated gradually, the substitute is light, thin, short, little LCD (liquid crystal display, LCD).And since LCD possess high display quality is arranged, advantages such as low energy expenditure and radiationless line, make LCD be applied in large quantities among communication, information or the consumption electronic products such as mobile computer, computer screen, mobile phone, PDA(Personal Digital Assistant), digital camera, digital camera and LCD TV.
LCD mainly can be made up of backlight module and liquid crystal panel two large divisions, and the major function of backlight module is to be used to provide a uniform surface light source to give liquid crystal panel.Backlight module is made of LGP, fluorescent tube and glue frame.Wherein, LGP has light entrance face, and in the other configuration of light entrance face fluorescent tube, and the light that fluorescent tube throwed is incident in the LGP via light entrance face, and through penetrating LGP after scattering and the reflection, in addition, the glue frame is in order to carry above-mentioned LGP and fluorescent tube, and be fixed in backboard, make area source can expose to the liquid crystal panel that is disposed at glue frame top by the light-emitting face outgoing.
Yet, the hollow body shape that known glue frame is formed in one and makes, because glue frame fixed size, there is not the elasticity of sharing, therefore can't be applied to the product of other size, moreover the different size product need be opened different moulds to make suitable glue frame, causes the expense of die sinking mould expense and material cost high.Therefore, how to change the structure of glue frame, make its product, reduce the manufacturing cost and the material cost of backlight module by this, desire most ardently the problem of improvement for the inventor of this case and the technical staff that is engaged in these relevant industries applicable to various sizes.
Summary of the invention
In view of this, the present invention proposes a kind of adhesive frame structure, in order to location LGP and backboard, LGP comprises four end angles and light inlet side, the light inlet side is between two end angles, adhesive frame structure comprises: two first frameworks, be positioned at two of light inlet side two ends end angles of LGP, and each first framework comprises: first framework; First support member is connected in first framework, in order to support LGP; First keeper is positioned at first framework, in order in conjunction with backboard; And first conjunction, be positioned at first framework, in order in conjunction with backboard; And two second frameworks, being positioned at two other end angles of LGP, each second framework comprises: second framework; Second support member is connected in second framework, in order to support LGP; And a plurality of second keepers, be positioned at second framework, in order in conjunction with backboard.
The present invention also proposes a kind of backlight module, comprises: backboard comprises a plurality of first spacers and a plurality of second spacer; LGP is positioned at backboard, comprises four end angles and light inlet side, and the light inlet side is between two end angles; Two first frameworks are positioned at two of light inlet side two ends end angles of LGP, and each first framework comprises: first framework; First support member is connected in first framework, in order to support LGP; First keeper is positioned at first framework, is incorporated into wherein one first spacer of backboard; And first conjunction, be positioned at this first framework, be incorporated into wherein this second spacer of this backboard; And two second frameworks, being positioned at two other end angles of LGP, each second framework comprises: second framework; Second support member is connected in second framework, in order to support LGP; And a plurality of second keepers, be positioned at second framework, be incorporated into first spacer of backboard.
The present invention changes adhesive frame structure into the four-piece type design, the mouth font type glue frame that replaces known integrate shaped type with the angle glue frame (first framework, second framework) of four L types, not only applicable to the backlight module of various different sizes, moreover, utilize the long-pending minimization of glue framework and can save the die sinking cost, and required materials minimization, the material cost that also can effectively save the glue frame reaches the mould of reduction glue frame and the purpose of finished product expense by this.
Describe the present invention below in conjunction with the drawings and specific embodiments, but not as a limitation of the invention.
Description of drawings
Fig. 1 is the schematic diagram of backlight module of the present invention;
Fig. 2 is the schematic diagram of adhesive frame structure of the present invention;
Fig. 3 A is the schematic diagram of the present invention's first framework;
Fig. 3 B is the schematic diagram of Fig. 3 A in the A part;
Fig. 3 C is the schematic diagram of Fig. 3 A in the B part;
Fig. 4 A is the schematic diagram of the present invention's second framework;
Fig. 4 B is the local enlarged diagram of Fig. 4 A;
Fig. 5 is that the present invention is with the schematic diagram () of first keeper in conjunction with first framework and backboard;
Fig. 6 is that the present invention is with the schematic diagram (two) of first keeper in conjunction with first framework and backboard;
Fig. 7 is the generalized section of Fig. 6;
Fig. 8 is that the present invention is with the schematic diagram (two) of first conjunction in conjunction with first framework and backboard;
Fig. 9 is the generalized section of Fig. 8;
Figure 10 is that the present invention is with the schematic diagram () of second keeper in conjunction with second framework and backboard;
Figure 11 is that the present invention is with the schematic diagram (two) of second keeper in conjunction with second framework and backboard;
Figure 12 is the generalized section of Figure 11;
Figure 13 sets up the schematic diagram of reflecting piece for the present invention.
Wherein, Reference numeral
1............ backlight module
2............ backboard
21............ first spacer
22............ second spacer
4............ LGP
4a............ light inlet side
4b............ exiting surface
41,42,43,44...... holds the angle
6............ first framework
61............ first framework
611........... first supporting piece
612........... first connector
614........... first open-work
616........... first perforation
62............ first support member
64............ first keeper
641........... first guidance part
644........... first hook portion
645........... guide ramp
646........... guiding face
66............ first conjunction
661........... stopper section
662........... guiding incline
8............ second framework
81............ second framework
811........... second supporting piece
812........... second connector
814........... second open-work
82............ second support member
84............ second keeper
841........... second guidance part
844........... second hook portion
845........... guide ramp
846........... guiding face
90............ light supply apparatus
91............ reflecting piece
The specific embodiment
Below in conjunction with the drawings and specific embodiments technical solution of the present invention being described in detail, further understanding purpose of the present invention, scheme and effect, but is not the restriction as claims protection domain of the present invention.
Fig. 1, Fig. 2, Fig. 3 A, Fig. 3 B, Fig. 3 C, Fig. 4 A and Fig. 4 B illustrate backlight module of the present invention.
Backlight module 1 comprises: backboard 2, LGP 4, two first frameworks 6, two second frameworks 8.
Two first frameworks 6 are positioned at two end angles 41,42 of light inlet side 4a two ends of LGP 4, and each first framework 6 mainly can be made up of first framework 61, first support member 62, first keeper 64 and first conjunction 66; Wherein, first framework 61 is by can being made up of first supporting piece 611 and first connector 612, and first connector 612 is in fact perpendicular to first supporting piece 611 and connect first supporting piece 611, make the 61 whole sights of first framework for generally being L font type; First support member 62 is connected in first framework 61, in order to support LGP 4, at this, first support member 62 is connected in first supporting piece 611 and first connector 612 simultaneously and generally is L font type (as shown in Figure 3A), or is can only be connected in first supporting piece 611 of first framework 61 or first connector 612 and generally be a font type; First keeper 64 is positioned on first framework 61, preferably can be arranged on first supporting piece 611, in order to combine with wherein one first spacer 21 in backboard 2; First conjunction 66 is positioned on first framework 61, preferably can be arranged on first connector 612, in order to combine with wherein one second spacer 22 in backboard 2.
In the present embodiment, first framework 61 can be provided with first open-work 614 in first supporting piece 611, first keeper 64 preferably can be made up of a plurality of first guidance parts 641, wherein, a plurality of first guidance parts 641 preferably for relatively to, and the length of one of them first guidance part 641 is longer than the length of another first guidance part 641; In addition, first guidance part 641 that length is long has first hook portion 644, and first hook portion 644 preferably can be gradually-reducing shape and form guide ramp 645 towards another first guidance part 641, and another first guidance part 641 also is provided with and guide ramp 645 corresponding guiding faces 646 (as Fig. 8 and shown in Figure 9).Moreover, first framework 61 can be provided with first perforation 616 in first connector 612, first conjunction 66 preferably can be made up of two stopper sections 661, two stopper sections 661 are positioned at two ends of first perforation 616, and stopper section 661 preferably can be gradually-reducing shape and form guiding incline 662 towards another stopper section 661.
Two second frameworks 8 are positioned at two end angles 43,44 of LGP 4, and each second framework 8 mainly can be made up of second framework 81, second support member 82 and second keeper 84; Wherein, second framework 81 is by can being made up of second supporting piece 811 and second connector 812, and second connector 812 is in fact perpendicular to second supporting piece 811 and connect second supporting piece 811, make the 81 whole sights of second framework for generally being L font type; Second support member 82 is connected in second framework 81, in order to support LGP 4, at this, second support member 82 is connected in second supporting piece 811 and second connector 812 simultaneously and generally is L font type (shown in Fig. 4 A), or is can only be connected in second supporting piece 811 of second framework 81 or second connector 812 and generally be two font types; Second keeper 84 is positioned on second framework 81, preferably can be arranged on second supporting piece 811 and second connector 812, in order to combine with second spacer 21 in backboard 2.
In the present embodiment, second framework 81 can be provided with second open-work 814 in second supporting piece 811, second keeper 84 preferably can be made up of a plurality of second guidance parts 841, wherein, a plurality of second guidance parts 841 preferably for relatively to, and the length of one of them second guidance part 841 is longer than the in addition length of two second guidance parts 841; In addition, second guidance part 841 that length is long has second hook portion 844, and second hook portion 844 preferably can be gradually-reducing shape and form guide ramp 845 towards another second guidance part 841, and another second guidance part 841 also is provided with and guide ramp 845 corresponding guiding faces 846 (as Figure 11 and shown in Figure 12).
See also shown in Figure 13, the present invention is in the light inlet side 4a of LGP 4 configuration light supply apparatus 90, other three sides of LGP 4 then can be between two first frameworks 6 and the backboard 2, be provided with reflecting piece 91 between two second frameworks 8 and the backboard 2, in order to the light that reflection source device 90 is throwed, use the brightness of promoting backlight module 1.
See also Fig. 5 to Figure 12, the present invention is when assembling, support two end angles 41,42 of light inlet side 4a two ends of LGPs 4 with first support member 62 of two first frameworks 6, support two end angles 43,44 (as shown in Figure 1) of LGPs 4 with second support member 82 of two second frameworks 8.When first framework 6 is inserted in the backboard 2, first spacer 21 of backboard 2 is earlier along guide ramp 645 displacements of the first long guidance part 641 of length, again along guiding face 646 displacements of another first guidance part 641 and embed first open-work 614, and back in first spacer, 21 embeddings, first open-work 614 with first hook portion, 644 backstops, first spacer 21, avoid first spacer 21 to deviate from first open-work 614; Two ends of second spacer 22 of backboard 2 then embed first perforation 616 respectively along guiding incline 662 displacements of two stopper sections 661, and back in second spacer, 22 embeddings, first perforation 616 with stopper section 661 backstops, second spacer 22, avoid second spacer 22 to deviate from first perforation 616; Via first hook portion 644 backstops, first spacer 21 and stopper section 661 backstops, second spacer 22 of first guidance part 641, reach the purpose of location first framework 6 and backboard 2.When second framework 8 is inserted in the backboard 2, first spacer 21 of backboard 2 is earlier along guide ramp 845 displacements of the second long guidance part 841 of length, again along guiding face 846 displacements of another second guidance part 841 and embed second open-work 814, and back in first spacer, 21 embeddings, second open-work 814 with second hook portion, 844 backstops, first spacer 21, avoid first spacer 21 to deviate from second open-work 814; Utilize a plurality of second keepers 84 location second framework 8 and backboard 2.
The present invention is with angle glue frame (first framework of four L types, second framework) four-piece type design, the mouth font type glue frame that replaces known integrate shaped type, therefore the present invention is applicable to the backlight module of various different sizes, effectively solve a product and need open the problem of the mould of a cover glue frame separately, moreover, it is long-pending that the adhesive frame structure of four-piece type design of the present invention can effectively reduce the glue framework, utilize the long-pending minimization of glue framework and can save the die sinking cost, and required materials minimization, also can effectively save the material cost of glue frame, reach the mould of reduction glue frame and the purpose of finished product expense by this.
Certainly; the present invention also can have other various embodiments; under the situation that does not deviate from spirit of the present invention and essence thereof; those of ordinary skill in the art work as can make various corresponding changes and distortion according to the present invention, but these corresponding changes and distortion all should belong to the protection domain of the appended claim of the present invention.
Claims (23)
1. adhesive frame structure, in order to locate a LGP and a backboard, this LGP comprises four end angles and a light inlet side, and this light inlet side should be held between the angle at two, it is characterized in that this adhesive frame structure comprises:
Two first frameworks are positioned at two these end angles of these light inlet side two ends of this LGP, and each this first framework comprises:
One first framework;
One first support member is connected in this first framework, in order to support this LGP;
One first keeper is positioned at this first framework, in order in conjunction with this backboard; And
One first conjunction is positioned at this first framework, in order in conjunction with this backboard; And
Two second frameworks are positioned at two other these end angles of this LGP, and each this second framework comprises:
One second framework;
One second support member is connected in this second framework, in order to support this LGP; And
A plurality of second keepers are positioned at this second framework, in order in conjunction with this backboard.
2. adhesive frame structure as claimed in claim 1 is characterized in that, this first framework comprises one first supporting piece and one first connector, and this first connector is in fact perpendicular to this first supporting piece and connect this first supporting piece.
3. adhesive frame structure as claimed in claim 2 is characterized in that, this first keeper is positioned at this first supporting piece.
4. adhesive frame structure as claimed in claim 2 is characterized in that, this first conjunction is positioned at this first connector.
5. adhesive frame structure as claimed in claim 1 is characterized in that, this first framework comprises one first open-work, this first keeper comprise relatively to a plurality of first guidance parts, one first spacer of guiding this backboard in regular turn embeds this first open-work.
6. adhesive frame structure as claimed in claim 5 is characterized in that, this first keeper more comprises one first hook portion, is positioned at wherein this first guidance part, this first spacer of backstop after this first spacer embeds this open-work.
7. adhesive frame structure as claimed in claim 5 is characterized in that, the length of one of them this first guidance part is longer than another this first guidance part.
8. adhesive frame structure as claimed in claim 1, it is characterized in that, this first framework comprises one first perforation, this first conjunction comprises two stopper sections, be positioned at two ends of this first perforation, one second spacer that those stopper sections are guided this backboard simultaneously embeds this perforation, and this second spacer of backstop is deviate from this perforation.
9. adhesive frame structure as claimed in claim 1 is characterized in that, this second framework comprises a plurality of second open-works, each this second keeper comprise relatively to a plurality of second guidance parts, one first spacer of guiding this backboard in regular turn embeds this second open-work.
10. adhesive frame structure as claimed in claim 9 is characterized in that, this second keeper more comprises one second hook portion, is positioned at wherein this second guidance part, this first spacer of backstop after this first spacer embeds this open-work.
11. adhesive frame structure as claimed in claim 9 is characterized in that, the length of one of them this second guidance part is longer than another this second guidance part.
12. a backlight module is characterized in that, comprises:
One backboard comprises a plurality of first spacers and a plurality of second spacer;
One LGP is positioned at this backboard, comprises four end angles and a light inlet side, and this light inlet side should be held between the angle at two;
Two first frameworks are positioned at two these end angles of these light inlet side two ends of this LGP, and each this first framework comprises:
One first framework;
One first support member is connected in this first framework, in order to support this LGP;
One first keeper is positioned at this first framework, is incorporated into wherein this first spacer of this backboard; And
One first conjunction is positioned at this first framework, is incorporated into wherein this second spacer of this backboard; And
Two second frameworks are positioned at two other these end angles of this LGP, and each this second framework comprises:
One second framework;
One second support member is connected in this second framework, in order to support this LGP; And
A plurality of second keepers are positioned at this second framework, are incorporated into those first spacers of this backboard.
13. backlight module as claimed in claim 12 is characterized in that, this first framework comprises one first supporting piece and one first connector, and this first connector is in fact perpendicular to this first supporting piece and connect this first supporting piece.
14. backlight module as claimed in claim 13 is characterized in that, this first keeper is positioned at this first supporting piece.
15. backlight module as claimed in claim 13 is characterized in that, this first conjunction is positioned at this first connector.
16. backlight module as claimed in claim 12 is characterized in that, this first framework comprises one first open-work, this first keeper comprise relatively to a plurality of first guidance parts, this first spacer of guiding this backboard in regular turn embeds this first open-work.
17. backlight module as claimed in claim 16 is characterized in that, this first keeper more comprises one first hook portion, is positioned at wherein this first guidance part, this first spacer of backstop after this first spacer embeds this open-work.
18. backlight module as claimed in claim 16 is characterized in that, the length of one of them this first guidance part is longer than another this first guidance part.
19. backlight module as claimed in claim 12, it is characterized in that, this first framework comprises one first perforation, this first conjunction comprises two stopper sections, be positioned at two ends of this first perforation, this second spacer that those stopper sections are guided this backboard simultaneously embeds this perforation, and this second spacer of backstop is deviate from this perforation.
20. backlight module as claimed in claim 12 is characterized in that, this second framework comprises a plurality of second open-works, each this second keeper comprise relatively to a plurality of second guidance parts, this first spacer of guiding this backboard in regular turn embeds this second open-work.
21. backlight module as claimed in claim 20 is characterized in that, this second keeper more comprises one second hook portion, is positioned at wherein this second guidance part, this first spacer of backstop after this first spacer embeds this open-work.
22. backlight module as claimed in claim 20 is characterized in that, the length of one of them this second guidance part is longer than another this second guidance part.
23. backlight module as claimed in claim 12 is characterized in that, more comprises: a plurality of reflecting piece, between those first frameworks and this backboard, those second frameworks and this backboard.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010100038922A CN101737735B (en) | 2010-01-15 | 2010-01-15 | Backlight module and adhesive frame structure thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010100038922A CN101737735B (en) | 2010-01-15 | 2010-01-15 | Backlight module and adhesive frame structure thereof |
Related Child Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201210101383 Division CN102635834B (en) | 2010-01-15 | 2010-01-15 | Backlight module and rubber frame structure thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101737735A true CN101737735A (en) | 2010-06-16 |
| CN101737735B CN101737735B (en) | 2012-07-04 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010100038922A Expired - Fee Related CN101737735B (en) | 2010-01-15 | 2010-01-15 | Backlight module and adhesive frame structure thereof |
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