CN203880540U - Backlight module and display device - Google Patents
Backlight module and display device Download PDFInfo
- Publication number
- CN203880540U CN203880540U CN201420319890.8U CN201420319890U CN203880540U CN 203880540 U CN203880540 U CN 203880540U CN 201420319890 U CN201420319890 U CN 201420319890U CN 203880540 U CN203880540 U CN 203880540U
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- CN
- China
- Prior art keywords
- optical film
- film material
- backlight module
- otch
- adhesive tape
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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- 239000000463 material Substances 0.000 claims abstract description 145
- 239000012788 optical film Substances 0.000 claims abstract description 130
- 239000010408 film Substances 0.000 claims abstract description 12
- 239000003292 glue Substances 0.000 claims description 42
- 239000002390 adhesive tape Substances 0.000 claims description 40
- 238000005282 brightening Methods 0.000 claims description 25
- 238000009792 diffusion process Methods 0.000 claims description 14
- 238000000034 method Methods 0.000 abstract description 15
- 230000000694 effects Effects 0.000 abstract description 9
- 238000006073 displacement reaction Methods 0.000 abstract description 7
- 238000012360 testing method Methods 0.000 abstract description 6
- 238000005520 cutting process Methods 0.000 abstract description 4
- 230000002411 adverse Effects 0.000 abstract description 3
- 238000006748 scratching Methods 0.000 abstract description 2
- 230000002393 scratching effect Effects 0.000 abstract description 2
- 238000005516 engineering process Methods 0.000 description 5
- 239000000203 mixture Substances 0.000 description 4
- 239000004411 aluminium Substances 0.000 description 3
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 3
- 229910052782 aluminium Inorganic materials 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 238000009826 distribution Methods 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000004568 cement Substances 0.000 description 1
- 239000006260 foam Substances 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
Landscapes
- Liquid Crystal (AREA)
- Planar Illumination Modules (AREA)
Abstract
The utility model discloses a backlight module and a display device. The backlight module comprises multiple layers of optical film materials, the edges of the layers of optical film materials are provided with multiple first notches used for fixing the optical film materials, and the first notches in the different layers of film materials are arranged in a staggered mode. The first notches are provided with tape in an inserted mode, and the tape is used for fixing the optical films corresponding to the first notches on a rubber frame. According to the backlight module and the display device, segmented cutting is conducted on the optical film materials, the first notches which are staggered and used for fixing the optical film materials are formed in the optical film materials, the optical film materials are connected with the rubber frame at the first notches through the tape, and the optical film materials can be fixed. Adverse effects such as scratching on the optical film materials due to changing of relative displacement between different structures composing the backlight module in the transportation process or the vibration testing process are avoided.
Description
Technical field
The utility model relates to Display Technique field, particularly a kind of backlight module and display unit.
Background technology
Traditional display unit composition structure as shown in Figure 1, comprise glue frame 01, display floater 02, optical film material 03, LGP 04, reflecting plate 08, backboard 05 and light source (not shown in figure 1), wherein, optical film material 03, LGP 04, reflecting plate 08, backboard 05 and light source are referred to as backlight module, this backlight module is arranged on the below of display floater 02, utilizes glue frame 01 to be fixed display floater 02.Frame 06 before the outside of display floater 02 and glue frame 01 is also provided with, is fixed all parts that forms whole display.
In prior art, by gathering sill, optical film material is positioned, this has certain activity space optical film material in backlight module, such setting is for fear of expanding and cause fold under hot and humid condition, but product is in the time carrying out vibration-testing or transport, and optical film material can be subjected to displacement in activity space.Due to the difference of surface micro-structure and the coefficient of friction of optical film material, in the time being subjected to displacement between them, friction mutually, scratches thereby produce.
For preventing that optical film material friction from causing scuffing, optical film material can be pasted fixing.Film material is all clung, although can play fixing effect, do not possess the property of repeating.Once occur in taping process that stickup is bad, all film materials all will go out of use, loss is too large.In addition, when in hot and humid environment, because different components have the different coefficients of expansion, if whole film materials are all pasted together, can cause film material fold.
Utility model content
(1) technical problem that will solve
The technical problems to be solved in the utility model is how to avoid the optical film material in backlight module to be scratched in transport or test process.
(2) technical scheme
For solving the problems of the technologies described above, the utility model provides a kind of backlight module, comprise multi-layer optical film material, be provided with multiple the first otch for fixed optics film material at the edge of every layer of optical film material, described the first otch on different layers optical film material is crisscross arranged, be inserted with adhesive tape in described the first incision, described adhesive tape will be fixed on glue frame with the corresponding optical film material of described the first otch.
Optionally, on every layer of optical film material, between adjacent the first otch, there is identical predeterminable range.
Optionally, insert the adhesive tape thickness difference of the first otch on different layers optical film material.
Optionally, the thickness of described adhesive tape is the distance of described optical film material to described glue frame.
Optionally, one end of described adhesive tape is inserted in the otch of optical film material, and the other end is fixed on described glue frame.
Optionally, on every layer of optical film material above bottom optical film material, be also provided with the second otch, described the second otch is used for making to connect the optical film material of lower floor and the adhesive tape of described glue frame passes.
Optionally, described the first otch and the second otch are arranged on one side of optical film material or adjacent both sides.
Optionally, described multi-layer optical film material is upper brightening piece, lower brightening piece and diffusion sheet from top to bottom successively.
Optionally, also comprise LGP, reflecting plate, light source and backboard, described multi-layer optical film material is arranged on LGP top, and described LGP, reflecting plate, light source, backboard set gradually from top to bottom.
For solving the problems of the technologies described above, the present invention also provides a kind of display unit, comprise display floater and backlight module, described display floater is arranged on the top of described backlight module, described backlight module is above-described backlight module, also comprise front frame, the edge of described front frame spiral-lock above described display floater and the outside of described glue frame.
(3) beneficial effect
The utility model is by carrying out section cutting to optical film material, on optical film material, form first otch for fixed optics film material of alternating expression, realize being connected of optical film material and glue frame at the first otch by adhesive tape, can realize fixing to optical film material, prevent transport or carry out forming in vibration-testing process between the different structure of backlight module and optical film material is caused to the adverse effects such as scuffing because relative displacement changes.Meanwhile, in the present invention, the assembling process of backlight module has the property of repeating, and can avoid the waste of material.
Brief description of the drawings
Fig. 1 is the composition structural representation of display unit in prior art;
Fig. 2 is the first otch and the distribution schematic diagram of the second otch on each layer of optical film material in the utility model embodiment;
Fig. 3 is the composition structural representation of the display unit that provides in the utility model embodiment.
Detailed description of the invention
Below in conjunction with drawings and Examples, detailed description of the invention of the present utility model is described in further detail.Following examples are used for illustrating the utility model, but are not used for limiting scope of the present utility model.
The present embodiment provides a kind of backlight module, comprise multi-layer optical film material, be provided with multiple the first otch for fixed optics film material at the edge of every layer of optical film material, the first otch on different layers optical film material is crisscross arranged, be inserted with adhesive tape in the first incision, adhesive tape will be fixed on glue frame with the corresponding optical film material of the first otch.
By optical film material is carried out to section cutting, on different layers optical film material, form the first otch of alternating expression, and realize being connected of optical film material and glue frame at the first incision site by adhesive tape, can realize fixing optical film material, prevent transport or carry out forming in vibration-testing process between the different structure of backlight module and be subjected to displacement variation, preventing that optical film material is scratched.
Optionally, on every layer of optical film material, between adjacent the first otch, there is identical predeterminable range.This predeterminable range can be adjusted according to design requirement and dimensional requirement in concrete technology, is not specifically limited herein.Need several the first otch to be fixed and need to specifically to design according to the size of display floater for every one deck optical film material, be generally guarantee planarization, need to be more for the first fixing number of incisions for every layer of optical film material of large-sized display floater, small size can be lacked.
Optionally, in the present embodiment, insert the adhesive tape thickness difference of the first otch on different layers optical film material.Because different layers optical film material is to the distance difference of glue frame, and the thickness of adhesive tape is the distance of optical film material to glue frame, therefore also different for the adhesive tape thickness of fixing different layers optical film material.Below taking three layers of optical film material as example, the first otch and the second otch distribution schematic diagram on each layer of optical film material as shown in Figure 2, these three layers of optical film materials from top to bottom be upper brightening piece 031, lower brightening piece 032 and diffusion sheet 033 successively, they increase gradually apart from the distance of glue frame.Because the thickness of fixing diffusion sheet 033 adhesive tape equals the distance between diffusion sheet 033 and glue frame, the thickness of fixing lower brightening piece 032 adhesive tape equals the distance between lower brightening piece 032 and glue frame, and the thickness of fixing upper brightening piece 031 adhesive tape equals the distance between brightening piece 031 and glue frame.It should be noted that, because optical film material self has certain thickness, therefore each layer of above-mentioned optical film material (going up brightening piece 031, lower brightening piece 032 and diffusion sheet 033) need to be taken optical film material self thickness into account to the distance of glue frame.
Utilize adhesive tape that optical film material is fixed on glue frame, fixed form specifically comprises: one end of adhesive tape is inserted in the first otch of optical film material, and the other end is fixed on glue frame.Utilize the viscosity of adhesive tape that optical film material is fixed on glue frame, to ensure that optical film material can not produce change in displacement with respect to miscellaneous part in moving process, thereby avoid scratching.
On every layer of optical film material above bottom optical film material, be also provided with the second otch, described the second otch passes for the adhesive tape that connects lower one deck optical film material and glue frame.Referring to Fig. 3, be provided with one except bottom optical film material is enterprising for fixing the first otch of this layer of optical film material, on upper two layers optical film material, be not only provided with the first otch for inserting adhesive tape, also comprise when the adhesive tape that connects optical film material and glue frame passes each layer of optical film material above the second otch arranging on each layer of optical film material in the above, be the second layer with on the 3rd layer of optical film material except being provided with first otch for being connected, also be respectively arranged with one and two the second otch, pass for connecting optical film material below and the adhesive tape of glue frame.
Concrete, referring to Fig. 2, on diffusion sheet 033, being provided with an otch A1, A1 is the first otch for fixing diffusion sheet 033; On lower brightening piece 032, be provided with two otch A2 and A3, wherein A2 is the first otch for fixing lower brightening piece 032, and A3 is the second otch for the adhesive tape that connects diffusion sheet 033 and glue frame is passed; On upper brightening piece 031, be provided with two otch A4, A5 and A6, wherein 4 is for fixing above the first otch of brightening piece 031, A5 is the second otch for the adhesive tape that connects lower brightening piece 032 and glue frame is passed, and A6 is the second otch for the adhesive tape that connects diffusion sheet 033 and glue frame is passed.
It should be noted that, the adhesive tape in the present embodiment is the material of using for pasting fixing film material, is not limited to double faced adhesive tape, also can be by all cohesive materials that have viscosity and can adjust thickness such as viscosity foam, some glue.Utilize the adhesive tape of different-thickness to reach the effect of fixing respectively every one deck optical film material.Position for optical film material upper cut (comprising the first otch and the second otch) need to be adjusted according to the number of plies of the size of product and size and optical film material in concrete production.
Optionally, the first otch and the second otch are arranged on one side of optical film material or adjacent both sides.When the environment such as temperature, humidity changes, different optical film material has the different coefficients of expansion, being expanded with heat and contract with cold etc. to affect causes their relative positions to change, if on four limits of optical film material, otch being all set is fixed, all optical film materials cannot obtain same recovery, and some optical film materials just there will be fold.Therefore only need to be on one side of optical film material or adjacent both sides be fixed, even if a side optical film material is fixed on glue frame like this, opposite side optical film material is movable, be transformable with the relative position of glue frame, in the time that the environment such as temperature, humidity changes, avoid optical film material to occur fold.
It should be noted that, in backlight module, except said structure, also comprise LGP, reflecting plate, light source and backboard, certainly also comprise the parts such as tube rack, aluminium section bar, aluminium base, but LGP, reflecting plate, light source and backboard are essential, other parts are also nonessential.Its dorsulum can be iron backboard, aluminium backboard, plastic cement backboard, mainly plays the effect that protection is supported.The effect of reflecting plate and LGP is to make the light of light source more even, improves light source utilization rate etc.
Simultaneously; a kind of display unit is also provided in the present embodiment; structure composition schematic diagram as shown in Figure 3; this display unit comprises display floater 02 and forms optical film material 03, LGP 04, reflecting plate 08 and the backboard 05 of backlight module; utilize glue frame 01 to be fixed each layer of optical film material 30; also be provided with glue frame 01 at the periphery of display floater 02 and backlight module 03, for display floater 02 and backlight module 03 are protected simultaneously.In this display unit, also comprise front frame 06, the edge of front frame 06 spiral-lock above display floater 02 and the outside of glue frame 01.
The below of display floater 02 is each layer of optical film material 03, LGP 04, reflecting plate 08, backlight and backboard 06 successively.Wherein front frame 06 is inverted " L " shape, Part I be wherein fixed on display floater 02 above, display floater 02 is fixed, in front frame 06, with the orthogonal Part II of Part I, the entirety such as glue frame 01 and backboard 06 are fixed.Optical film material in the present embodiment is that above brightening piece, lower brightening piece and diffusion sheet are example being fixedly described optical film material; but be not limited to above-mentioned involved upper brightening piece, lower brightening piece and diffusion sheet; such as, be suitable for too for other optical film material (condensing film, diaphragm etc.) generally using, repeat no more herein.
The process of carrying out technique assembling for above-mentioned display unit can be according to product demand adjustment, or optical film material puts into adhesive tape after having assembled, also can layering assembling and paste.Concrete, comprise following two schemes for the assembling of above-mentioned display unit:
Scheme one: according to the mode of traditional assembling backlight module, first assemble LGP, assembling ground floor optical film material again, be close to the diffusion sheet of LGP, is second layer optical film material (lower brightening piece) and the 3rd layer of optical film material (upper brightening piece) afterwards successively.After completing, the adhesive tape for fixing each layer optical film material is inserted separately after the first otch, assemble glue frame.In assembling process, if find that there is foreign matter impurity, can dismantle at any time refitting like this, finally carry out that optical film material is fixed and the adhesion of optical film material and glue frame, there is the property of repeating and detachability, can improve product yield after assembling simultaneously.
Scheme two: first assemble after LGP, then assemble ground floor optical film material (being diffusion sheet), then, by putting into the first otch corresponding on ground floor optical film material for the adhesive tape of fixing ground floor optical film material, be fixed; Assemble again second layer optical film material (descending brightening piece), to put into the first otch corresponding on second layer optical film material for the adhesive tape of fixing second layer optical film material, be fixed, complete by that analogy the assembling of the 3rd layer of optical film material (going up brightening piece) and fix.Bad even if this assembling scheme occurs at assembling process, only this layer of optical film material need to be removed, can reduce spillage of material compared with traditional assembling mode, also can improve the rear product yield of assembling simultaneously.
In sum, fixed structure and the fixing means of its optical film material of backlight module that the present embodiment provides are different from prior art, by optical film material is carried out to section cutting, on optical film material, form the otch of alternating expression, the first incision site that is different layers optical film material staggers mutually, and realize being connected of optical film material and glue frame by adhesive tape, can realize fixing optical film material, prevent transport or carry out forming in vibration-testing process between the different structure of backlight module because relative displacement changes, thereby optics is produced to the adverse effects such as scuffing.Meanwhile, the assembling process that adopts the mode of this fixed optics film material also can realize backlight module has the property of repeating, and badly causes all optical film materials to be scrapped once occur pasting, and avoids the waste of material.
Above embodiment is only for illustrating the utility model; and be not limitation of the utility model; the those of ordinary skill in relevant technologies field; in the situation that not departing from spirit and scope of the present utility model; can also make a variety of changes and modification; therefore all technical schemes that are equal to also belong to category of the present utility model, and scope of patent protection of the present utility model should be defined by the claims.
Claims (10)
1. a backlight module, comprise multi-layer optical film material, it is characterized in that, be provided with multiple the first otch for fixed optics film material at the edge of every layer of optical film material, described the first otch on different layers optical film material is crisscross arranged, be inserted with adhesive tape in described the first incision, described adhesive tape will be fixed on glue frame with the corresponding optical film material of described the first otch.
2. backlight module as claimed in claim 1, is characterized in that, on every layer of optical film material, between adjacent the first otch, has identical predeterminable range.
3. backlight module as claimed in claim 1, is characterized in that, inserts the adhesive tape thickness difference of the first otch on different layers optical film material.
4. backlight module as claimed in claim 1, is characterized in that, the thickness of described adhesive tape is the distance of described optical film material to described glue frame.
5. backlight module as claimed in claim 1, is characterized in that, one end of described adhesive tape is inserted in the otch of optical film material, and the other end is fixed on described glue frame.
6. backlight module as claimed in claim 1, is characterized in that, on every layer of optical film material above bottom optical film material, is also provided with the second otch, and described the second otch is used for making to connect the optical film material of lower floor and the adhesive tape of described glue frame passes.
7. backlight module as claimed in claim 6, is characterized in that, described the first otch and the second otch are arranged on one side of optical film material or adjacent both sides.
8. the backlight module as described in any one in claim 1-6, is characterized in that, described multi-layer optical film material is upper brightening piece, lower brightening piece and diffusion sheet from top to bottom successively.
9. backlight module as claimed in claim 8, is characterized in that, also comprises LGP, reflecting plate, light source and backboard, and described multi-layer optical film material is arranged on LGP top, and described LGP, reflecting plate, light source, backboard set gradually from top to bottom.
10. a display unit, comprise display floater and backlight module, described display floater is arranged on the top of described backlight module, described backlight module is the backlight module described in any one in claim 1-9, it is characterized in that, also comprise front frame, the edge of described front frame spiral-lock above described display floater and the outside of described glue frame.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420319890.8U CN203880540U (en) | 2014-06-16 | 2014-06-16 | Backlight module and display device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420319890.8U CN203880540U (en) | 2014-06-16 | 2014-06-16 | Backlight module and display device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203880540U true CN203880540U (en) | 2014-10-15 |
Family
ID=51681032
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420319890.8U Expired - Fee Related CN203880540U (en) | 2014-06-16 | 2014-06-16 | Backlight module and display device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203880540U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108061986A (en) * | 2017-12-11 | 2018-05-22 | 业成科技（成都）有限公司 | Backlight module, its preparation method and liquid crystal display device |
-
2014
- 2014-06-16 CN CN201420319890.8U patent/CN203880540U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108061986A (en) * | 2017-12-11 | 2018-05-22 | 业成科技（成都）有限公司 | Backlight module, its preparation method and liquid crystal display device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20141015 |