CN102455448A - Brightness enhancement film and liquid crystal display module with the same - Google Patents
Brightness enhancement film and liquid crystal display module with the same Download PDFInfo
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- CN102455448A CN102455448A CN2010105255282A CN201010525528A CN102455448A CN 102455448 A CN102455448 A CN 102455448A CN 2010105255282 A CN2010105255282 A CN 2010105255282A CN 201010525528 A CN201010525528 A CN 201010525528A CN 102455448 A CN102455448 A CN 102455448A
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- prism structure
- brightness enhancement
- enhancement film
- prism
- sticky tape
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Abstract
The invention provides a brightness enhancement film and a liquid crystal display module with the same. The brightness enhancement film comprises a main body, one face of the main body is provided with a prism structure, the prism structure comprises at least one obstruction structure which can be a groove or retaining wall structure, the obstruction structure separates the prism structure into at least one first prism structure region and at least one second prism structure region, and a double sided tape is attached to the first prism structure region, thus, the obstruction structure obstructs the excessive glue of the double sided tape in the first prism structure region, and the excessive glue is prevented from flowing into the second prism structure region.
Description
Technical field
The present invention is relevant for a kind of brightness enhancement film and LCD MODULE with this brightness enhancement film; Especially refer to that a kind of glue of double sticky tape that stops overflows to brightness enhancement film in the LCD MODULE vision area and the LCD MODULE with this brightness enhancement film; Therefore do not need special test selecting for use of double sticky tape, can select lower-cost double sticky tape for use yet.
Background technology
The structure of available liquid crystal display device; Comprise that mainly a backlight module and is stacked at the LCD MODULE on this backlight module; This backlight module comprises from top to bottom folded two brightness enhancement film, diffusion sheet, LGP, reflector plates of establishing and the light source that is positioned at this LGP one end, and this LCD MODULE comprises that the from top to bottom folded last polaroid of establishing, display panels reach polaroid down.For avoiding backlight module to separate with LCD MODULE; Usually can between backlight module and LCD MODULE, double sticky tape be set; In order to combine this backlight module and LCD MODULE, the paste position of this double sticky tape does not have certain limitation, as long as avoid the LCD MODULE vision area.Because LCD MODULE can't be luminous voluntarily; Thereby need backlight module to provide enough brightness to give LCD MODULE; Make the liquid crystal indicator can display frame; The strong and weak display quality that influences liquid crystal indicator of the briliancy that backlight module provided (brightness), and wherein this brightness enhancement film is more being played the part of important role for improving briliancy.
Be that in order to the principle that improves briliancy the brightness enhancement film surface is provided with microstructure as for brightness enhancement film; See also the perspective view that double sticky tape is set shown in Figure 1 on brightness enhancement film; These brightness enhancement film 111,112 surfaces are provided with microstructure 1111,1121, this microstructure the 1111, the 1121st, and how parallel strip prism structure arranged side by side, and the bearing of trend of the microstructure 1111,1121 of these two brightness enhancement film 111,112 is parallel to each other; Aforementioned this double sticky tape 13 is pasted on this brightness enhancement film 111 surfaces; That is cover and to be attached on this microstructure 1111, these double sticky tape 13 rectangular ring-types, its inner space that is enclosed is the LCD MODULE vision area.
At present the industrial community tape format is numerous and each tame adhesive tape glue system is different, and the higher ebonite viscosity of hardness is lower and to attach confining force relatively poor, is unfavorable for that product attaches to use; When being applied to liquid crystal indicator, cause backlight module to separate easily, if need preferable attaching confining force with LCD MODULE; Then must select soft flexible glue for use, but flexible glue easy deformation under high temperature or weight sees also shown in Figure 2; The flexible glue 131 of double sticky tape 13 flows out because of high temperature or weight; And overflow in the microstructure 1111, that is in overflow to the LCD MODULE vision area, that is the space that enclosed of this double sticky tape 13; Cause this liquid crystal indicator under backlight lightening, can find bright line, thus produce look imitate bad.For improving the glue problem of overflowing, though can use the preferable adhesive tape of cohesion, the adhesive tape than other stack piles on such rubber belt material cost is high, and is also inapplicable for low price, high-quality product.
Summary of the invention
Because the disappearance of prior art; The liquid crystal indicator that the present invention proposes a kind of brightness enhancement film and has this brightness enhancement film; The glue that can stop double sticky tape overflows in the LCD MODULE vision area, does not need special test selecting for use of double sticky tape, also can select lower-cost double sticky tape for use.
For achieving the above object; The present invention proposes a kind of brightness enhancement film; It comprises a main body, is provided with prism structure in the one side of this main body, and this prism structure has at least one barrier structure; This barrier structure is separated to form at least one first prism structure district and at least one second prism structure district with this prism structure, and a two-sided adhesive tape has been sticked in this first prism structure district.
For achieving the above object; The present invention proposes a kind of liquid crystal indicator again, and it comprises a backlight module, and this backlight module comprises at least one brightness enhancement film; This brightness enhancement film comprises a main body; One side in this main body is provided with a prism structure, and this prism structure has at least one barrier structure, and this barrier structure is separated to form at least one first prism structure district and at least one second prism structure district with this prism structure; The two-sided adhesive tape that has been sticked in this first prism structure district, the face that is not sticked with this brightness enhancement film in this double sticky tape LCD MODULE that has been sticked.
Compared with prior art; Brightness enhancement film of the present invention and LCD MODULE with this brightness enhancement film; The glue that can stop double sticky tape overflows in the LCD MODULE vision area, does not need special test selecting for use of double sticky tape, also can select lower-cost double sticky tape for use.
For making your juror further understanding and approval arranged for structure purpose of the present invention and effect, cooperate diagram to specify now as after.
Description of drawings
Fig. 1 is the perspective view that existing brightness enhancement film cooperates double sticky tape;
Fig. 2 is that existing double sticky tape overflows glue in the plan structure synoptic diagram of brightness enhancement film microstructure;
Fig. 3 is the perspective view that brightness enhancement film first embodiment of the present invention cooperates with double sticky tape;
Fig. 4 is the plan structure synoptic diagram that brightness enhancement film first embodiment of the present invention cooperates with double sticky tape;
Fig. 5 is the perspective view that brightness enhancement film second embodiment of the present invention cooperates with double sticky tape;
Fig. 6 is the plan structure synoptic diagram that brightness enhancement film second embodiment of the present invention cooperates with double sticky tape;
Fig. 7 is the structural representation that brightness enhancement film of the present invention is applied to liquid crystal indicator.
Description of reference numerals: prior art: 111,112-brightness enhancement film; 1111,1121-microstructure; The 13-double sticky tape; The present invention: 20-brightness enhancement film; The 21-main body; The 211-prism structure; The 211a-first prism structure district; The 211b-second prism structure district; The 212-groove; The 30-double sticky tape; 31,32,33,34-side; The 40-brightness enhancement film; The 41-main body; The 411-prism structure; The 411a-first prism structure district; The 411b-second prism structure district; The 412-barrier wall structure; The 50-liquid crystal indicator; The 51-backlight module; 511,512-brightness enhancement film; The 513-diffusion sheet; The 514-LGP; The 515-reflector plate; The 516-light source; The 52-LCD MODULE; The last polaroid of 521-; The 522-display panels; Polaroid under the 523-; The 53-double sticky tape; The F1-first direction; The F2-second direction.
Embodiment
Below will be with reference to the graphic the present invention of description who encloses for reaching employed technological means of purpose and effect, and below graphic cited embodiment be merely aid illustration, in order to your juror understand, but that the technological means of this case is not limited to is cited graphic.
See also an example structure of brightness enhancement film provided by the present invention shown in Figure 3; This brightness enhancement film 20 comprises a main body 21, is provided with prism structure 211 in the one side of this main body 21, and this prism structure 211 is how parallel strip prism structure arranged side by side; Be provided with two grooves 212 in this prism structure 211; This groove 212 can adopt cutter cutting or heat to melt moulding, and can moulding in the lump when cutting this brightness enhancement film 20, does not need extra increase manufacturing cost and man-hour; And this groove 212 has a development length; The first direction F1 that this groove 212 length are extended is that the second direction F2 that is parallel to each other with this strip prism structure 211 is vertical each other, and this groove 212 is separated to form 2 first prism structure district 211a and one second prism structure district 211b with this prism structure 211, has the two-sided adhesive tape 30 that has been sticked on the face of prism structure 211 in this brightness enhancement film 20; This double sticky tape 30 is to enclose rectangular ring-type by four side 31,32,33,34; Its inner space that is enclosed is the LCD MODULE vision area, parallel this first direction of length bearing of trend F1 of this side 31,32 wherein, parallel this second direction of length bearing of trend F2 of this side 33,34.
See also shown in Figure 4; Owing to be provided with groove 212 between the first prism structure district 211a and the second prism structure district 211b; Therefore, even this double sticky tape 30 makes that because of high temperature or weight flexible glue can flow in this groove 212 when flexible glue flowed out; And this second prism structure of unlikely inflow district 211b; Change speech, the flexible glue of these double sticky tape 30 overflows can be limited to paste in this first prism structure district 211a and this groove 212, and the flexible glue of these double sticky tape 30 overflows can not flow into the LCD MODULE vision area.
Mandatory declaration be; Though the groove of rectangular ring can be set according to the shape of this double sticky tape 30, that is one rectangular ring groove be set, double sticky tape 30 is pasted on outside the rectangular ring groove in the outer shroud of LCD MODULE vision area; But; Because this prism structure 211 is how parallel strip prism structure arranged side by side, this strip prism structure 211 has parallel second direction F2, that is the flexible glue of double sticky tape 30 can be along this second direction F2 overflow; Therefore; The flexible glue that this double sticky tape 30 is parallel to dual- side 33,34 overflows of this second direction F2 can flow along this second direction F2, and flexible glue can be limited in the scope of these side 33,34 stickups, is unlikely flowing into the LCD MODULE vision area.
See also Fig. 5 and another example structure of brightness enhancement film provided by the present invention shown in Figure 6; This brightness enhancement film 40 comprises a main body 41; One side in this main body 41 is provided with prism structure 411; This prism structure 411 is how parallel strip prism structure arranged side by side, is provided with two barrier wall structures 412 in this prism structure 411, and this barrier wall structure 412 can adopt mode moulding such as coating or filling; The top of this barrier wall structure 412 is not higher than the ridge height of this prism structure; This barrier wall structure 412 has a development length, and the first direction F1 that this barrier wall structure 412 length are extended is that the second direction F2 that is parallel to each other with this strip prism structure 411 is vertical each other, and this barrier wall structure 412 is separated to form 2 first prism structure district 411a and one second prism structure district 411b with this prism structure 411; Has the double sticky tape 30 that has been sticked on the face of prism structure 411 in this brightness enhancement film 40; Owing to be provided with barrier wall structure 412 between the first prism structure district 411a and the second prism structure district 411b, so the flexible glue of these double sticky tape 30 overflows can be barred from this first prism structure district 411a by this barrier wall structure 412, and this second prism structure of unlikely inflow district 411b.
In like manner; Though the barrier wall structure of rectangular ring can be set according to the shape of this double sticky tape 30; But because the flexible glue of double sticky tape 30 can be along this second direction F2 overflow; Flexible glue can be limited to be unlikely flowing into the LCD MODULE vision area in the scope that the dual side- edge 33,34 of this double sticky tape 30 pastes.
See also the structural representation that brightness enhancement film of the present invention shown in Figure 7 is applied to liquid crystal indicator; This liquid crystal indicator 50 comprises that a backlight module 51 and is stacked at the LCD MODULE 52 on this backlight module 51; This backlight module 51 comprises from top to bottom folded two brightness enhancement film 511,512, diffusion sheet 513, LGP 514, reflector plate of establishing 515 and the light source 516 that is positioned at these LGP 514 1 ends; This diffusion sheet 513 is the one sides that are stacked at this LGP 514; And these two brightness enhancement film the 511, the 512nd are arranged at this diffusion sheet 513 and do not have the one side of this LGP 514; This reflector plate 515 is to be arranged at this LGP 514 not have the one side of this diffusion sheet 513; This LCD MODULE 52 comprises from top to bottom folded the last polaroid of establishing 521, display panels 522 and time polaroid 523, between backlight module 51 and LCD MODULE 52, is provided with double sticky tape 53, that is this LCD MODULE 52 is to be stacked at the face that this double sticky tape 53 is not sticked with this brightness enhancement film 511; In order to combine this backlight module 51 and LCD MODULE 52; This double sticky tape 53 is equivalent to Fig. 3 to this double sticky tape 30 shown in Figure 6, and this brightness enhancement film 511 can adopt Fig. 3 and this brightness enhancement film 20 shown in Figure 4, or Fig. 5 is to this brightness enhancement film 40 shown in Figure 6; Can consult this existing brightness enhancement film 112 shown in first figure as for the form of this brightness enhancement film 512; Because this brightness enhancement film 512 is not pasted with double sticky tape 53, therefore the groove 212 like the 3rd figure and the 4th this brightness enhancement film 20 of figure need be set, or the barrier wall structure 412 of the 5th figure and the 6th this brightness enhancement film 40 of figure; Can guarantee this liquid crystal indicator 50 unlikely pollutions that suffer the excessive glue of these double sticky tape 53 flexible glues by said structure.
In sum; Brightness enhancement film provided by the invention and LCD MODULE with this brightness enhancement film; The barrier structure that utilizes simple groove or barrier wall structure to constitute can intercept the flexible glue of double sticky tape institute overflow outside the LCD MODULE vision area, therefore; Do not need special test selecting for use of double sticky tape, can select lower-cost double sticky tape for use yet.
But the above is merely embodiments of the invention, when can not with the scope implemented of qualification the present invention.The equalization of promptly doing according to claim of the present invention generally changes and modifies, and all should still belong in the scope that patent of the present invention contains, sincerely please your juror's explicit example for reference, and it is accurate to pray favour, is that institute is to praying.
Claims (10)
1. a brightness enhancement film is characterized in that, comprises:
One main body, this main body has a surface;
One prism structure, this prism structure are this surfaces that is arranged at this main body, and this prism structure has at least one barrier structure, and this barrier structure is separated to form at least one first prism structure district and at least one second prism structure district with this prism structure.
2. brightness enhancement film as claimed in claim 1 is characterized in that, this barrier structure is at least one groove.
3. brightness enhancement film as claimed in claim 2 is characterized in that, this prism structure is how parallel strip prism structure arranged side by side, and this groove has a development length, and the length bearing of trend of this groove is vertical each other with the parallel direction of this strip prism structure.
4. brightness enhancement film as claimed in claim 1 is characterized in that, this barrier structure is at least one barrier wall structure.
5. brightness enhancement film as claimed in claim 4; It is characterized in that; This prism structure is how parallel strip prism structure arranged side by side, and this barrier wall structure has a development length, and the length bearing of trend of this barrier wall structure is vertical each other with the parallel direction of this strip prism structure.
6. liquid crystal indicator comprises:
One backlight module; Comprise at least one brightness enhancement film; This brightness enhancement film comprises a main body, and this main body has a surface, is provided with a prism structure in this surface of this main body; This prism structure has at least one barrier structure, and this barrier structure is separated to form at least one first prism structure district and at least one second prism structure district with this prism structure;
At least one double sticky tape is to be attached at this first prism structure district; And
One LCD MODULE is to be stacked at the face that this double sticky tape is not sticked with this brightness enhancement film.
7. liquid crystal indicator as claimed in claim 6 is characterized in that, this barrier structure is at least one groove.
8. liquid crystal indicator as claimed in claim 7; It is characterized in that; This prism structure is how parallel strip prism structure arranged side by side, and this groove has a development length, and the length bearing of trend of this groove is vertical each other with the parallel direction of this strip prism structure.
9. liquid crystal indicator as claimed in claim 6 is characterized in that, this barrier structure is at least one barrier wall structure.
10. liquid crystal indicator as claimed in claim 9; It is characterized in that; This prism structure is how parallel strip prism structure arranged side by side, and this barrier wall structure has a development length, and the length bearing of trend of this barrier wall structure is vertical each other with the parallel direction of this strip prism structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010105255282A CN102455448A (en) | 2010-10-27 | 2010-10-27 | Brightness enhancement film and liquid crystal display module with the same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010105255282A CN102455448A (en) | 2010-10-27 | 2010-10-27 | Brightness enhancement film and liquid crystal display module with the same |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102455448A true CN102455448A (en) | 2012-05-16 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010105255282A Pending CN102455448A (en) | 2010-10-27 | 2010-10-27 | Brightness enhancement film and liquid crystal display module with the same |
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| Country | Link |
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| CN (1) | CN102455448A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110346855A (en) * | 2019-07-31 | 2019-10-18 | 浙江舜宇光学有限公司 | The preparation method of light diffusing sheet |
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|---|---|---|---|---|
| JP2002182025A (en) * | 2000-12-14 | 2002-06-26 | Toyo Commun Equip Co Ltd | Diffraction grating plate and optical device |
| CN101080661A (en) * | 2004-10-15 | 2007-11-28 | 3M创新有限公司 | Liquid crystal displays with laminated diffuser plates |
| CN201004136Y (en) * | 2006-12-22 | 2008-01-09 | 精碟科技股份有限公司 | Optical film of backlight module |
| CN101533121A (en) * | 2008-03-14 | 2009-09-16 | 迎辉科技股份有限公司 | Optical film, die for forming optical film and method for manufacturing die |
| CN201489131U (en) * | 2009-04-27 | 2010-05-26 | 福建华映显示科技有限公司 | Polarizer bonding structure and stereo display device thereof |
-
2010
- 2010-10-27 CN CN2010105255282A patent/CN102455448A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002182025A (en) * | 2000-12-14 | 2002-06-26 | Toyo Commun Equip Co Ltd | Diffraction grating plate and optical device |
| CN101080661A (en) * | 2004-10-15 | 2007-11-28 | 3M创新有限公司 | Liquid crystal displays with laminated diffuser plates |
| CN201004136Y (en) * | 2006-12-22 | 2008-01-09 | 精碟科技股份有限公司 | Optical film of backlight module |
| CN101533121A (en) * | 2008-03-14 | 2009-09-16 | 迎辉科技股份有限公司 | Optical film, die for forming optical film and method for manufacturing die |
| CN201489131U (en) * | 2009-04-27 | 2010-05-26 | 福建华映显示科技有限公司 | Polarizer bonding structure and stereo display device thereof |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110346855A (en) * | 2019-07-31 | 2019-10-18 | 浙江舜宇光学有限公司 | The preparation method of light diffusing sheet |
| CN110346855B (en) * | 2019-07-31 | 2021-08-31 | 浙江舜宇光学有限公司 | Preparation method of light diffusion sheet |
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Application publication date: 20120516 |