CN101241259A - LCD device diffusing plate fixed frame improvement structure - Google Patents
LCD device diffusing plate fixed frame improvement structure Download PDFInfo
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- CN101241259A CN101241259A CNA2007100004286A CN200710000428A CN101241259A CN 101241259 A CN101241259 A CN 101241259A CN A2007100004286 A CNA2007100004286 A CN A2007100004286A CN 200710000428 A CN200710000428 A CN 200710000428A CN 101241259 A CN101241259 A CN 101241259A
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- fixed frame
- diffusing plate
- lcd device
- salient point
- improvement structure
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Abstract
The invention provides a fixed frame improvement configuration of a LCD device diffusing plate, comprising a frame for supporting the diffusing plate. The frame has a connection part for supporting the diffusing plate and a plurality of convex points protruding from the connection part. The frame contacts with the diffusing plate by the convex points to reduce powder generated by the diffusing plate and the frame, and reduce probability of scalping of the optical film and the diffusing plate caused by the powder, so that the invention is provided with advantages of scraping prevention, cost descending and efficiency promotion.
Description
Technical field
The present invention relates to a kind of liquid crystal display device structure, be meant the stationary frame structure of the diffuser plate of LCD especially.
Background technology
In recent years,, make LCD also be subjected to the attention of height, and present speed growth at a gallop along with popularizing of Digital Television; Comparatively speaking, also make dog-eat-dog between the LCD manufacturer, the research and development from the price to the technology, most method is in the hope of reducing cost in positive invariably thinking, to promote the market competitiveness, make great efforts the leading electronics same trade in these epoch with high competition of highly growing up.
And aforesaid LCD has a liquid crystal panel, and itself can't emit beam described liquid crystal panel, therefore must rely on backlight module that the display light source is provided.Generally speaking, be applied in large-sized LCD and be straight-down negative (Direct) backlight, described direct-light-type backlight all uses a diffuser plate to reach the requirement of uniform source of light in order to reach the requirement of uniform source of light.And described diffuser plate is to be diffused as topmost function with light, and utilize add light diffusing agent kind and the different change of refractive index, repeatedly the refraction between diffuser plate of its light is evenly distributed light, so reach pretty good effect.
The material of early stage diffuser plate all is polymethylmethacrylate, polycarbonate and methyl methacrylate-styrene copolymerized compound; But under trend cheaply, previous material has not met user demand at display.And because the proportion of polystyrene and size changing rate is little and optical property is good; Therefore in recent years, the material of diffuser plate reaches the requirement that improves optical property, reduces rate of change and reduce cost to replace previous material by polystyrene gradually.
But, because the engineering properties of polystyrene is with respect to next poor of polymethylmethacrylate, polycarbonate and methyl methacrylate-styrene copolymerized compound, therefore after LCD is finished, the influence that dealer's simulation earlier transports in the process to be produced, and then LCD is carried out the vibration test of different directions, in the vibration test process, can cause diffuser plate and fixedly the framework of diffuser plate be in contact with one another friction; At this moment, diffuser plate and framework can produce break flour because of being in contact with one another friction, and described break flour will cause scratch to blooming piece and diffuser plate.Therefore, have the structure that changes diffuser plate or framework only, just can take into account location and the demand of protecting.
In addition, in order to prevent the effect of diffuser plate and the mutual scratch of framework, the dealer can attach a protective tapes between diffuser plate and framework, reaches direct contact the between isolation diffusion plate and the framework.Therefore, attaching protective tapes between diffuser plate and framework becomes in order to reduce a kind of method of break flour; But the method but can increase by one production procedure concerning producing; Comparatively speaking, also increase human cost, lower efficiency and increase the cost of buying adhesive tape.
Therefore, how to develop a kind of framework that is solved the various shortcomings of above-mentioned existing technology, to develop the practicality invention that to prevent scratch, reduces cost and raise the efficiency, real for desiring most ardently the problem of solution at present.
Summary of the invention
At the deficiencies in the prior art, the objective of the invention is to: the fixed frame improvement structure that a kind of LCD device diffusing plate is provided, on the described framework, outwards be convexly equipped with a plurality of salient points, the contact area of diffuser plate and framework is reduced, and and then reduce the break flour amount that diffuser plate and framework friction back are produced, also so the minimizing break flour blooming piece and diffuser plate are caused the possibility of scratch.In addition, framework and salient point can't increase the complexity of production with injection molding, have to be easy to the advantage of producing and raising the efficiency.
For achieving the above object, the technical solution used in the present invention is:
A kind of fixed frame improvement structure of LCD device diffusing plate, described fixed frame is characterized in that in order to the bearing diffuser plate: described fixed frame has the connecting portion of a bearing diffuser plate, with a plurality of salient points that outwards are convexly equipped with by connecting portion.
Preferable, technique scheme can also be added following technical characterictic:
Salient point quantity is 2～30.
The height of salient point is between 0.1～5mm.
The width of salient point is between 0.1～10mm.
Salient point is that the mode with injection molding is constituted.
Salient point is to adopt identical material with framework, is the arbitrary material in polymethylmethacrylate, polycarbonate, methyl methacrylate polystyrene, polystyrene, poly-terephthaldehyde's ester glycol ester, polypropylene, polycarbonate blend, methyl methacrylate, butadiene, styrene copolymer, vinyl cyanide, butadiene, styrol copolymer, polyoxymethylene, poly-urate, Polyvinylchloride and the nylon steel.
Salient point and framework are to adopt unlike material, are the two kinds of any different materials that are selected from polymethylmethacrylate, polycarbonate, methyl methacrylate polystyrene, polystyrene, poly-terephthaldehyde's ester glycol ester, polypropylene, polycarbonate blend, methyl methacrylate, butadiene, styrene copolymer, vinyl cyanide, butadiene, styrol copolymer, polyoxymethylene, poly-urate, Polyvinylchloride and the nylon steel.
Compared with prior art, the beneficial effect that the present invention has is: rely on the change of the design of above-mentioned salient point and distribution to adjust the contact area of diffuser plate and framework, can make accommodation of the present invention good, and can and then reduce the break flour amount that is produced after diffuser plate and the framework friction than prior art.With regard to injection molding, can't increase the complexity of production, the characteristics that are easy to produce are arranged.Therefore, new Frame Design has the advantage that promotes defencive function and reduce man-hour.
Description of drawings:
Fig. 1 is a stereographic map, and the structure of the fixed frame improvement structure of LCD device diffusing plate of the present invention is described;
Fig. 2 is a stereographic map, illustrates that the present invention is in conjunction with diffuser plate;
Fig. 3 is a partial enlarged drawing, and framework of the present invention and the salient point that is formed on framework connecting portion one side are described;
Fig. 4 is a partial enlarged drawing, and framework of the present invention and the salient point that is formed on the framework connecting portion opposite side are described;
Fig. 5 is a partial enlarged drawing, and framework of the present invention and the salient point that is formed on the framework connecting portion are described;
Fig. 6 is a part sectioned view, and salient point contact diffuser plate of the present invention is described;
Fig. 7 is a part sectioned view, and another salient point contact diffuser plate of the present invention is described;
Fig. 8 is a part sectioned view, and another salient point contact diffuser plate of the present invention is described.
Description of reference numerals: 1-framework; The 11-connecting portion; The 12-salient point; The 90-diffuser plate.
Embodiment
Relevant for the technology used in the present invention, means and reach effect, lift preferred embodiment now and cooperate graphic being described in detail as follows, believe when obtaining one deeply and concrete understanding by it.
The present invention be described in detail before, be noted that in following description similarly assembly is to represent with identical numbering.
Please cooperate and consult Fig. 1 and shown in Figure 2, the fixed frame improvement structure of LCD device diffusing plate of the present invention includes a framework 1 in order to bearing diffuser plate 90, wherein:
Described framework 1, has a junction 11, with a plurality of salient points 12 that outwards are convexly equipped with by connecting portion 11, described salient point 12 quantity are at 2～30, be preferably 4～12, and the height of salient point 12 is preferably between 0.2～1.5mm between 0.1～5mm, and the width of salient point 12 is preferably between 0.5～2.5mm between 0.1～10mm.
User mode relevant for above-mentioned member sees also Fig. 6 to Fig. 8 with shown in Figure 2, during use, be with the connecting portion 11 of diffuser plate 90 bearings at framework 1, make salient point 12 contact diffuser plates 90 surfaces, and so reduce the contact area of diffuser plate 90 and framework 1, and then reduce the break flour amount that is produced because of diffuser plate 90 and framework 1 friction; Wherein, the big or small width of the contact area of salient point 12 tops and diffuser plate 90 between 0.1～10mm better is between 0.5～2.5mm.
Secondly, framework of the present invention 1 and salient point 12 are that the mode with injection molding is constituted, and framework 1 can be for being selected from polymethylmethacrylate (Poly (Methyl methacrylate), PMMA), polycarbonate (Polycarbonate, PC), methyl methacrylate polystyrene ((Methyl methacrylate) Styrene, MS), polystyrene (PolyStyrene, PS), poly-terephthaldehyde's ester glycol ester (polyethyleneterephthalate, PET), polypropylene (polypropylene, PP), polycarbonate blend (PC alloy), methyl methacrylate, butadiene, styrene copolymer (methyl methacry-late-butadiene-styrenecopolymer MBS), vinyl cyanide, butadiene, styrol copolymer (ACRYLONITRILE-BUTADIENE-STYRENE Copolymer, ABS), PEF (polyethylene, PE), polyoxymethylene (polyoxymethylene, POM), poly-urate (polyurethane, PU), Polyvinylchloride (polyvinyl chloride, PVC), at least a in the nylon steel materials such as (Nylon MC).Or other materials such as engineering plastics, and salient point 12 is identical material with framework 1; For increasing wearing quality, certainly also can be unlike material, is the two kinds of any different materials that are selected from polymethylmethacrylate, polycarbonate, methyl methacrylate polystyrene, polystyrene, poly-terephthaldehyde's ester glycol ester, polypropylene, polycarbonate blend, methyl methacrylate, butadiene, styrene copolymer, vinyl cyanide, butadiene, styrol copolymer, polyoxymethylene, poly-urate, Polyvinylchloride and the nylon steel.。And which kind of profile salient point 12 is not restricted to, can geometric figure (as hemispherical, cylindric) for it, also can be made as irregularly certainly, as long as be provided with properly, all can reach application target and effect same as described above.
Moreover, above-mentioned salient point 12 is outwards to be convexly equipped with (as Fig. 3) by framework 1 one end faces, certainly also can be set as by framework 1 four sides and outwards be convexly equipped with (as Fig. 4), or inwardly be convexly equipped with (as Fig. 5) by framework 1 one end faces and four sides, can do different designs and change according to different diffuser plates 90, not repeat them here.
More than explanation is just illustrative for the purpose of the present invention, and it is nonrestrictive, those of ordinary skills understand, under the situation of the spirit and scope that do not break away from claim and limited, can make many modifications, variation or equivalence, but but all will fall within the claim restricted portion of the present invention.
Claims (7)
1. the fixed frame improvement structure of a LCD device diffusing plate, described fixed frame is characterized in that in order to the bearing diffuser plate:
Described fixed frame has the connecting portion of a bearing diffuser plate, with a plurality of salient points that outwards are convexly equipped with by connecting portion.
2. the fixed frame improvement structure of LCD device diffusing plate according to claim 1, it is characterized in that: salient point quantity is 2～30.
3. the fixed frame improvement structure of LCD device diffusing plate according to claim 1, it is characterized in that: the height of salient point is between 0.1～5mm.
4. the fixed frame improvement structure of LCD device diffusing plate according to claim 1, it is characterized in that: the width of salient point is between 0.1～10mm.
5. the fixed frame improvement structure of LCD device diffusing plate according to claim 1 is characterized in that: salient point is that the mode with injection molding is constituted.
6. the fixed frame improvement structure of LCD device diffusing plate according to claim 1, it is characterized in that: salient point is to adopt identical material with framework, is polymethylmethacrylate. the arbitrary material in polycarbonate, methyl methacrylate polystyrene, polystyrene, poly-terephthaldehyde's ester glycol ester, polypropylene, polycarbonate blend, methyl methacrylate, butadiene, styrene copolymer, vinyl cyanide, butadiene, styrol copolymer, polyoxymethylene, poly-urate, Polyvinylchloride and the nylon steel.
7. the fixed frame improvement structure of LCD device diffusing plate according to claim 1, it is characterized in that: salient point and framework are to adopt unlike material, are the two kinds of any different materials that are selected from polymethylmethacrylate, polycarbonate, methyl methacrylate polystyrene, polystyrene, poly-terephthaldehyde's ester glycol ester, polypropylene, polycarbonate blend, methyl methacrylate, butadiene, styrene copolymer, vinyl cyanide, butadiene, styrol copolymer, polyoxymethylene, poly-urate, Polyvinylchloride and the nylon steel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2007100004286A CN101241259A (en) | 2007-02-05 | 2007-02-05 | LCD device diffusing plate fixed frame improvement structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2007100004286A CN101241259A (en) | 2007-02-05 | 2007-02-05 | LCD device diffusing plate fixed frame improvement structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101241259A true CN101241259A (en) | 2008-08-13 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNA2007100004286A Pending CN101241259A (en) | 2007-02-05 | 2007-02-05 | LCD device diffusing plate fixed frame improvement structure |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104111563A (en) * | 2014-06-25 | 2014-10-22 | 京东方科技集团股份有限公司 | Display device |
| CN108200488A (en) * | 2016-12-08 | 2018-06-22 | 林球有限公司 | Antihunting device for sound appliances and the sound appliances frame with antihunting device |
-
2007
- 2007-02-05 CN CNA2007100004286A patent/CN101241259A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104111563A (en) * | 2014-06-25 | 2014-10-22 | 京东方科技集团股份有限公司 | Display device |
| CN108200488A (en) * | 2016-12-08 | 2018-06-22 | 林球有限公司 | Antihunting device for sound appliances and the sound appliances frame with antihunting device |
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Application publication date: 20080813 |