CN203870357U - Backlight unit, liquid crystal module and LCD (liquid crystal display) equipment - Google Patents
Backlight unit, liquid crystal module and LCD (liquid crystal display) equipment Download PDFInfo
- Publication number
- CN203870357U CN203870357U CN201420244741.XU CN201420244741U CN203870357U CN 203870357 U CN203870357 U CN 203870357U CN 201420244741 U CN201420244741 U CN 201420244741U CN 203870357 U CN203870357 U CN 203870357U
- Authority
- CN
- China
- Prior art keywords
- colloid
- liquid crystal
- backlight module
- chase
- back colloid
- Prior art date
- 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
Links
- 239000004973 liquid crystal related substance Substances 0.000 title claims abstract description 31
- 239000000084 colloidal system Substances 0.000 claims description 89
- 239000003292 glue Substances 0.000 abstract description 13
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 abstract description 10
- 230000000694 effects Effects 0.000 abstract description 7
- 229910052742 iron Inorganic materials 0.000 abstract description 5
- 230000003287 optical effect Effects 0.000 abstract description 5
- 238000012360 testing method Methods 0.000 abstract description 4
- 150000003839 salts Chemical class 0.000 abstract description 2
- 239000007921 spray Substances 0.000 abstract 1
- 239000011248 coating agent Substances 0.000 description 9
- 238000000576 coating method Methods 0.000 description 9
- 238000000034 method Methods 0.000 description 7
- 239000011521 glass Substances 0.000 description 6
- 238000003466 welding Methods 0.000 description 6
- 238000010586 diagram Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 238000013461 design Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 230000014759 maintenance of location Effects 0.000 description 1
- 239000003595 mist Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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- Illuminated Signs And Luminous Advertising (AREA)
Abstract
The utility model provides a backlight unit, a liquid crystal module and LCD (liquid crystal display) equipment. The backlight unit comprises an iron frame, wherein a back glue body is arranged around a window structure on the iron frame, the upper surface of the back glue body is bonded with the back surface of the iron frame, and the lower surface of the back glue body is used for bearing a to-be-borne layer. With adoption of the technical scheme, the problem that the optical characteristics are influenced by the fact that the back glue body in the conventional backlight unit is extruded and bonded with a reflective film to generate light spots is solved. The back glue body is arranged around the window structure on the iron frame, and the middle part is cohesionless, so that the back glue body cannot be bonded with the reflective film thorough the window structure when extruded by the to-be-borne layer, the reflective film cannot be upwarped to generate the light spots, and the optical characteristics are guaranteed; and besides, the back glue body is smaller in structure and can have a waterproof effect in a salt spray test simultaneously, product performance is maintained, and great significance is provided for the backlight unit.
Description
Technical field
The utility model relates to liquid crystal indicator, relates in particular to a kind of backlight module, liquid crystal module and liquid crystal display.
Background technology
Along with popularizing gradually of LCD product, the quality of product has been proposed to more and more higher requirement, wish LCD product at high temperature, high humidity even in water under these rugged surroundings, still can retention constant, product is not impacted, and this is also a whole liquid crystal industry development trend in future.Because backlight module plays a crucial role in LCD product, can backlight module pass through salt mist experiment, is the problem that must solve.
The structure of existing back colloid as shown in Figure 1, the back fenestration of chase in this structure matching backlight module, directly paste with chase, after the FPC of glass in module (LCDs) and FPC backlight welding, can ride over above the colloid of back, because back colloid is squeezed, can make the reflectance coating of back colloid and chase opposite side stick together, make reflectance coating toward back direction perk, and the effect at fenestration place is exerted an influence, form hot spot, cannot meet customer requirement.
Utility model content
The utility model has offered a kind of backlight module, liquid crystal module and liquid crystal display, has solved in existing backlight module back colloid owing to being squeezed, and pastes with reflectance coating, produces hot spot, affects the problem of optical characteristics.
For solving the problems of the technologies described above, the utility model by the following technical solutions:
A kind of backlight module, comprises chase, and the fenestration on described chase is provided with back colloid, and the upper surface of described back colloid and the back surfaces of described chase are pasted, and the lower surface of described back colloid is for carrying the carrier layer of entertaining.
Further, described back colloid be shaped as square, triangle, circle or oval.
Further, when described back colloid be shaped as square or triangle time, at least one angle of described back colloid is set to fillet.
Further, the shape of described back colloid comprises inner side edge and outer side edges, and the area that described inner side edge forms is more than or equal to the area of described fenestration.
Further, the distance between inner side edge and the outer side edges of described back colloid is 0.6mm to 1mm.
Further, described back colloid can impact briquetting.
Further, the carrier layer of entertaining described in is FPC.
A kind of liquid crystal module, comprise liquid crystal panel and above-mentioned backlight module, described backlight module comprises chase, fenestration on described chase is provided with back colloid, the upper surface of described back colloid and the back surfaces of described chase are pasted, and the lower surface of described back colloid is for carrying the carrier layer of entertaining.
Further, the carrier layer of entertaining described in is FPC.
A kind of liquid crystal display, comprises above-mentioned liquid crystal module.
The utility model provides a kind of backlight module, liquid crystal module and liquid crystal display, by the fenestration on chase in backlight module, back colloid is set, center section by existing back colloid is emptied, make center section inviscid, expose the fenestration on chase, and its upper surface sticks on chase, lower surface carries the carrier layer of entertaining, in the time entertaining carrier layer extruding back colloid, back colloid can not be pasted together by the reflectance coating of fenestration and chase opposite side, thereby can not make reflectance coating perk cause occurring hot spot, ensure optical characteristics; In addition, this back colloform texture is less, and does not affect backlight module performance, can in salt-fog test, play the effect of waterproof simultaneously, keeps properties of product, very great to the meaning of backlight module.
Brief description of the drawings
Fig. 1 is the structural representation of back colloid in existing backlight module;
Fig. 2 is back colloid and the bonding schematic diagram of chase in existing backlight module;
The structural representation of back colloid in the backlight module that Fig. 3 provides for the utility model one embodiment;
The structural representation of back colloid in the backlight module that Fig. 4 provides for another embodiment of the utility model;
The structural representation of back colloid in the backlight module that Fig. 5 provides for another embodiment of the utility model;
The structural representation of back colloid in the backlight module that Fig. 6 provides for another embodiment of the utility model;
The bonding schematic diagram of back colloid and chase in the backlight module that Fig. 7 provides for the utility model one embodiment.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the utility model embodiment is clearly and completely described, obviously, described embodiment is a part of embodiment in the utility model, instead of whole embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are not making the every other embodiment obtaining under creative work prerequisite, all belong to the scope of the utility model protection.
By reference to the accompanying drawings the utility model is described in further detail below by embodiment.
Fig. 1 is the structural representation of back colloid in existing backlight module, Fig. 2 is back colloid and the bonding schematic diagram of chase in existing backlight module, as Fig. 1, shown in 2, dash area 1 has been glue part, the back fenestration of chase in this structure matching backlight module, directly paste with chase, after the FPC of glass (LCDs) and FPC backlight welding, can ride over above the colloid of back, because back colloid is squeezed, back colloid is pasted together by the reflectance coating of fenestration and chase opposite side, make the back direction perk of reflectance coating toward backlight module, and the effect at fenestration place is exerted an influence, form hot spot, cannot meet customer requirement.
The structural representation of back colloid in the backlight module that Fig. 3 provides for the utility model one embodiment, as shown in Figure 3, dash area 2 has been glue part, this backlight module comprises chase, this chase is the chase in glue iron integrated frame, or be chase independently, fenestration on this chase is provided with back colloid, in general, a fenestration is only set on chase, its shape is including, but not limited to square, and this fenestration is positioned at the side near LED backlight on chase, its position is corresponding with the FPC of LED backlight, thereby make after the FPC and FPC backlight welding of glass (LCDs), can be folded into the fenestration place on chase back in backlight module, and ride on the colloid of back, the surrounding of the fenestration on chase all arranges back colloid, make back colloid can not cover fenestration, and back colloid is arranged at the back surfaces of chase, the upper surface of back colloid and the back surfaces of chase are pasted, and lower surface is for carrying the carrier layer of entertaining, Fig. 4,5,6 is respectively the structural representation of back colloid in the backlight module that another embodiment of the utility model provides, as shown in Figure 4,5, 6, dash area 2 has been glue part, the shape of this back colloid can be determined according to the shape of fenestration, usually, in the time that fenestration is square structure or other structures, the shape of this back colloid is including, but not limited to square, triangle, circle or oval, therefore, as long as this back colloid can arrange around the edge of the fenestration on chase in backlight module, can be other arbitrary shapes.
Following examples describe as example so that being shaped as of back colloid in Fig. 3 is square, and other shapes are suitable for too.
In technique scheme, for back colloid can be set easily, in the time that being shaped as of back colloid is square, at least one angle that can this back colloid is set to fillet 23, preferably, two angles on this square upper side relative with LED mono-side backlight are set to fillet 23; In the time that back colloid is triangle, it equally also can be suitable for.
In technique scheme, due to the back colloid around fenestration setting, to have certain glue wide, therefore, the shape of this back colloid comprises inner side edge 21 and inner side edge 22, the area that inner side edge 21 forms is more than or equal to the area of fenestration, usually, in the time that fenestration is square structure, if the shape of back colloid is also square, the inner side edge 21 of this back colloid can overlap with four limits of fenestration, the area that inner side edge 21 is formed is identical with the area of fenestration, or, this square inner side edge 21 does not overlap with four limits of fenestration, but in region between four limits of outer side edges 22 and fenestration, the area that inner side edge 21 is formed is greater than the area of fenestration, in addition, if the shape of fenestration and back colloid matches, have above-mentioned two situations, the area that the inner side edge of this back colloid is formed is more than or equal to the area of fenestration simultaneously, if fenestration is not mated with the shape of back colloid, generally there is above-mentioned a kind of situation, the area that the inner side edge of back colloid is formed is greater than the area of fenestration.
In technique scheme, the distance between inner side edge 21 and the outer side edges 22 of this back colloid is 0.6mm to 1mm, and the wide specification of the glue of this back colloid is 0.6mm to 1mm, for the back colloid of arbitrary shape, all applicable.
In technique scheme, the setting of this back colloid can impact briquetting, and technique is simple.
In technique scheme, this carrier layer of entertaining is FPC, by after the FPC of glass (LCDs) and FPC backlight welding, be folded into the fenestration place on chase back in backlight module, and ride on the colloid of back, by back colloid, it is carried, this back colloid can also play the effect of waterproof.
By the design that the center section colloid of back colloid in the module of existing back is emptied, make center section inviscid, by this back colloform texture, when back colloid and chase are pasted, even after glass FPC and FPC backlight welding, ride on the colloid of back, also after can not making back colloid be squeezed, contact also bonding with reflectance coating, thereby can not make reflectance coating perk, ensure that product can not produce hot spot, can not affect properties of product; In addition, because backlight module plays a crucial role in LCD product, by back colloid is optimized, arranging of this back colloid can be surrounded the surrounding of fenestration, and structure is less, do not affect again performance, effectively prevent that product from intaking in salt-fog test, keep properties of product, very great to the meaning of backlight module.
The utility model also provides a kind of liquid crystal module, comprise liquid crystal panel and above-mentioned backlight module, this backlight module comprises chase, fenestration on chase is provided with back colloid, the upper surface of back colloid and the back surfaces of chase are pasted, and the lower surface of back colloid is for carrying the carrier layer of entertaining.
In technique scheme, this carrier layer of entertaining is FPC, by after the FPC of glass (LCDs) and FPC backlight welding, be folded into the fenestration place on chase back in backlight module, and ride on the colloid of back, by back colloid, it is carried, this back colloid can also play the effect of waterproof.
The utility model also provides a kind of liquid crystal display, comprises above-mentioned liquid crystal module.This liquid crystal display is LCD TV, liquid crystal display, notebook, panel computer or mobile phone etc.This liquid crystal display, owing to having used above-mentioned liquid crystal module, ensures optical characteristics, can in salt-fog test, play the effect of waterproof simultaneously, keeps properties of product.
Above content is in conjunction with concrete preferred implementation further detailed description of the utility model, can not assert that concrete enforcement of the present utility model is confined to these explanations.For the utility model person of an ordinary skill in the technical field, without departing from the concept of the premise utility, can also make some simple deduction or replace, all should be considered as belonging to protection domain of the present utility model.
Claims (10)
1. a backlight module, comprises chase, it is characterized in that, the fenestration on described chase is provided with back colloid, and the upper surface of described back colloid and the back surfaces of described chase are pasted, and the lower surface of described back colloid is for carrying the carrier layer of entertaining.
2. backlight module according to claim 1, is characterized in that, being shaped as of described back colloid is square, triangle, circle or oval.
3. backlight module according to claim 2, is characterized in that, when described back colloid be shaped as square or triangle time, at least one angle of described back colloid is set to fillet.
4. backlight module according to claim 2, is characterized in that, the shape of described back colloid comprises inner side edge and outer side edges, and the area that described inner side edge forms is more than or equal to the area of described fenestration.
5. backlight module according to claim 4, is characterized in that, the distance between inner side edge and the outer side edges of described back colloid is 0.6mm to 1mm.
6. according to the backlight module described in claim 1 to 5 any one, it is characterized in that, described back colloid can impact briquetting.
7. according to the backlight module described in claim 1 to 5 any one, it is characterized in that, described in the carrier layer of entertaining be FPC.
8. a liquid crystal module, it is characterized in that, comprise liquid crystal panel and the backlight module as described in any one in claim 1 to 7, described backlight module comprises chase, fenestration on described chase is provided with back colloid, the upper surface of described back colloid and the back surfaces of described chase are pasted, and the lower surface of described back colloid is for carrying the carrier layer of entertaining.
9. liquid crystal module according to claim 8, is characterized in that, described in the carrier layer of entertaining be FPC.
10. a liquid crystal display, is characterized in that, comprises liquid crystal module as claimed in claim 8 or 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420244741.XU CN203870357U (en) | 2014-05-13 | 2014-05-13 | Backlight unit, liquid crystal module and LCD (liquid crystal display) equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420244741.XU CN203870357U (en) | 2014-05-13 | 2014-05-13 | Backlight unit, liquid crystal module and LCD (liquid crystal display) equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203870357U true CN203870357U (en) | 2014-10-08 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420244741.XU Expired - Fee Related CN203870357U (en) | 2014-05-13 | 2014-05-13 | Backlight unit, liquid crystal module and LCD (liquid crystal display) equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203870357U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105976701A (en) * | 2015-03-10 | 2016-09-28 | 三星显示有限公司 | Display device and portable terminal |
-
2014
- 2014-05-13 CN CN201420244741.XU patent/CN203870357U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105976701A (en) * | 2015-03-10 | 2016-09-28 | 三星显示有限公司 | Display device and portable terminal |
| US10540032B2 (en) | 2015-03-10 | 2020-01-21 | Samsung Display Co., Ltd. | Display device having durable circuit board |
| US11455049B2 (en) | 2015-03-10 | 2022-09-27 | Samsung Display Co., Ltd. | Display device with compensating film |
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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: 20141008 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |