CN203350565U - Backlight module, liquid crystal display module and liquid crystal display device - Google Patents
Backlight module, liquid crystal display module and liquid crystal display device Download PDFInfo
- Publication number
- CN203350565U CN203350565U CN 201320284767 CN201320284767U CN203350565U CN 203350565 U CN203350565 U CN 203350565U CN 201320284767 CN201320284767 CN 201320284767 CN 201320284767 U CN201320284767 U CN 201320284767U CN 203350565 U CN203350565 U CN 203350565U
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- backlight module
- liquid crystal
- glue frame
- crystal display
- module
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Abstract
The utility model provides a backlight module, a liquid crystal display module with the backlight module and a liquid crystal display device with the backlight module. The backlight module comprises a backboard and a rubber frame, wherein the rubber frame comprises at least two disconnected portions so as to reduce the cooling time differences between cooling stages of the portions, therefore, the warping degree of a thin-type backlight module frame is improved, and the use performance of the backlight module is improved.
Description
Technical field
The utility model relates to the backlight module field, relates in particular to a kind of backlight module, liquid crystal display module and liquid crystal indicator.
Background technology
Liquid crystal indicator (Liquid Crystal Display, LCD) mainly is comprised of spare parts such as glass substrate, colored filter, backlight module, drive IC, compensate film and Polarizer, ITO film, alignment film, control circuits.Because liquid crystal panel itself is not had a characteristics of luminescence, must reach with backlight module the function of demonstration, the manufacture process of LCD panel is generally: after face glass produces, must be first in conjunction with colored filter, both pour into liquid crystal after the involution, then are combined into the LCD module with assemblies such as backlight module, drive IC, control circuit boards.One of key part and component that backlight module is panel of LCD, function is well-off brightness and the light source be evenly distributed, and makes normally show image of LCD.Therefore, backlight module generally consists of framework and the optical element be assembled on framework.
Traditional backlight module frame is assembled by backboard and glue frame, the machine-shaping respectively of backboard and glue frame, by hand glue frame and backboard are fitted together again, packaging efficiency is low, and assembling postnotum and glue frame easily relatively move, cause whole framework unstable, be unfavorable for improving the installation quality of backlight.
Chinese patent CN202371653U discloses a kind of integrated backlight module frame, as shown in Figure 1.Main technical schemes is as follows: construct a kind of integrated backlight module frame, comprise chase (backboard), be disposed on several pilot holes on the flanging of chase, on described chase, injection mo(u)lding has the glue frame, this glue frame is provided with and the corresponding positioning convex body of pilot hole, and positioning convex body inserts in corresponding pilot hole chase and glue frame are connected as one.The beneficial effect that this patent brings is mainly: without adopting manual the assembling, packaging efficiency is high, and whole frame stability.
Because the module thickness requirement is more and more thinner, the material thickness that causes associated components backlight to be selected is more and more thinner, and chase acts on the support that is to provide intensity in backlight module.When the chase reduced thickness, its intensity can obviously weaken.Especially in framework is integrated, the backboard after moulding is put into the injection mo(u)lding that the glue frame mould carries out the glue frame.The material of glue frame mostly is thermoplastics, as PC, PMMA, ABS etc.Thermoplastics is generally graininess at normal temperatures, is heated to after uniform temperature the state that becomes melting, it is cooling after curing molding.Because the chase reduced thickness causes its remitted its fury, because of the glue frame, need to carry LED light source and various blooming piece thereby wall thickness inconsistent again, and the structure that the glue frame is integrated, make its difference longer cool time at the cooling stage of injection mo(u)lding, thereby cause whole backlight module frame to produce larger angularity, affect the usability of product.
The utility model content
In view of this, the utility model provides a kind of backlight module, liquid crystal display module and liquid crystal indicator.
The utility model proposes a kind of backlight module, comprising: backboard; The glue frame, through injection mo(u)lding and the backboard structure that is combined as a whole, described glue frame comprises the part of at least two disconnections.
The utility model comprises following preferred version: described backboard and the glue frame structure that is formed in one.The segment thickness of each disconnection of glue frame is basically identical, and the opening of open position is tortuous section.
More preferably, one side described glue frame be provided with the LED light trough, can be used for placing the LED-backlit source.The section opening extends to the light trough in described LED-backlit source simultaneously.Because opening is tortuous section, effectively prevented that the LED-backlit source from producing light leak.
The utility model also provides a kind of liquid crystal display module of applying above-mentioned backlight module, comprises panel and above-mentioned backlight module.
The utility model also provides a kind of liquid crystal indicator of applying described liquid crystal display module.
Compared with prior art, the backlight module that the utility model provides, by forming a plurality of openings on the glue frame, can make the glue frame be divided into some parts, to reduce cooling stage difference cool time of each several part, thereby improve the angularity of slimming backlight module frame, improve the usability of product.
The accompanying drawing explanation
Included accompanying drawing, for providing further understanding of the present utility model, is merged in and forms the application's a part, shows embodiment of the present utility model, and is used from and explains principle of the present utility model with instructions one.In the accompanying drawings:
The structural representation of the backlight module integrated frame that Fig. 1 is prior art;
The structural representation of the backlight module that Fig. 2 is the embodiment of the present invention one proposition;
Fig. 3 is backboard after backlight module in Fig. 2 separates and the structural representation of glue frame;
Fig. 4 is the structural representation after the amplification of the interior glue frame of dotted line frame 22 opening in Fig. 2;
Fig. 5 is the structural representation after the amplification of the interior glue frame of dotted line frame 22 opening in Fig. 2.
Embodiment
In background technology, mention, the integrated backlight module frame that prior art provides, main technical schemes is as follows: construct a kind of integrated backlight module frame, comprise chase (backboard), be disposed on several pilot holes on the flanging of chase, on described chase, injection mo(u)lding has the glue frame, this glue frame is provided with and the corresponding positioning convex body of pilot hole, and positioning convex body inserts in corresponding pilot hole chase and glue frame are connected as one.
Because the module thickness requirement is more and more thinner, the material thickness that causes associated components backlight to be selected is more and more thinner, and chase acts on the support that is to provide intensity in backlight module.When the chase reduced thickness, its intensity can obviously weaken.Especially in framework is integrated, because the chase reduced thickness causes its remitted its fury, again because the wall thickness of glue frame is inconsistent, cause in the cool time of the cooling stage of injection mo(u)lding inconsistent, thereby cause whole backlight module frame to produce larger angularity, affect the usability of product.
Core concept of the present utility model is, by form a plurality of openings on the glue frame, the glue frame is divided into to some parts, independently the part wall thickness is consistent to make each, and carry out respectively injection mo(u)lding for different piece, thereby improve the angularity of slimming backlight module frame, improve the usability of product.
For the purpose of this utility model, feature are become apparent, below in conjunction with accompanying drawing, embodiment of the present utility model is further described.
The structural representation that Fig. 2 is the backlight module that proposes of the present embodiment, Fig. 3 is the backboard B and the structural representation of glue frame A after the backlight module in Fig. 2 separates, Fig. 4 and Fig. 5 are the structural representation after the amplification of the interior glue frame of dotted line frame 22 opening in Fig. 2.
As shown in Figures 2 and 3, the backlight module that the present embodiment proposes mainly comprises: backboard B, and the sidewall of its dorsulum B is provided with the flanging bent inwards, and flanging is provided with several pilot holes 31; Glue frame A, wherein glue frame A is injected and molded on backboard B, and the glue frame is provided with the positioning convex body corresponding with the backboard pilot hole 32, and positioning convex body 32 inserts in corresponding pilot hole 31 backboard and glue frame is connected as one.Described glue frame at least comprises the part of two disconnections.
The said backboard B of the utility model, also referred to as the metal frame of backlight module, is the support of fixing display or backlight.Mainly by forming after the material punching presses such as cold-reduced sheet, stainless steel, foreign copper-nickel alloy.Mainly contain for backlight module and strengthen intensity, prevent static, increase the effect of shielding.The material of glue frame A mostly is thermoplastics, as PC, PMMA, ABS etc.Thermoplastics is generally graininess at normal temperatures, is heated to after uniform temperature the state that becomes melting, it is cooling after curing molding, if heating can become again the state of melting again, and can carry out plasticizing forming again.
Be provided with element put area and the groove (also referred to as light trough 33) corresponding with the LED-backlit source on one side of glue frame A (being set as the M limit), wherein LED lamp 21 just is placed in light trough 33.And element put area 34 is used for placing other backlight module parts.Described element put area 34 is not limited to structure shown in Fig. 3.Can in mould-injection frame A, according to component shape, size, form corresponding groove or perforate.Also can only limit zone as shown in element put area 34 in Fig. 3, not carry out the restriction of shape, size.As shown in Fig. 2 dotted line frame 22, glue frame A is provided with opening on the M limit, and whole glue frame A is (as Fig. 4 and the Fig. 5) disconnected fully at opening part, so just the M limit is divided into to some parts, and guarantees that the thickness (wall thickness) of every part is basically identical.The edge of glue frame A is provided with groove or opening 35, is also that the wall thickness in order to guarantee every part is basically identical.In the injection mo(u)lding stage, the moulding respectively of each independent sector, thus guarantee that cool time is basically identical and reduce the angularity of framework.Because opening is connected with LED light trough 33, for preventing LED lamp 21 light leaks, the utility model opening is set to meander-like, can be interdigitated, pectination and zigzag etc.Fig. 4 is the enlarged drawing of 22 inner minutes openings of dotted line frame in Fig. 2, is illustrated as Z-shaped.Dotted line frame 22 inner openings can be also interdigitated, as shown in Figure 5.
In order further to set forth the application of above-mentioned backlight module, the utility model provides a kind of liquid crystal display module of applying described backlight module simultaneously, comprises panel and above-mentioned backlight module.
Simultaneously, the utility model also provides a kind of liquid crystal indicator of applying described liquid crystal display module.
Compared with prior art, the backlight module that the utility model provides, by form a plurality of openings on the glue frame, the glue frame is divided into to some parts, independently the part wall thickness is consistent to make each, and carries out respectively injection mo(u)lding for different piece, guarantees in difference cool time of each independent sector of cooling stage of injection mo(u)lding enough little, thereby improve the angularity of slimming backlight module frame, improve the usability of product.
Although the utility model discloses as above with preferred embodiment; so it is not in order to limit the utility model; have and usually know the knowledgeable in technical field under any; within not breaking away from spirit and scope of the present utility model; when doing a little change and retouching, therefore protection domain of the present utility model is as the criterion when looking claims person of defining.
Claims (8)
1. a backlight module comprises:
Backboard;
The glue frame, described glue frame comprises the part of at least two disconnections.
2. backlight module as claimed in claim 1, is characterized in that, described backboard and the described glue frame structure that is formed in one.
3. backlight module as claimed in claim 1, is characterized in that, the segment thickness of each disconnection of described glue frame is basically identical.
4. backlight module as claimed in claim 1, is characterized in that, the opening of the open position of described glue frame is tortuous section.
5. backlight module as claimed in claim 1, is characterized in that, one side the light trough that is provided with placement LED-backlit source of described glue frame.
6. backlight module as claimed in claim 1, is characterized in that, the section opening of described glue frame extends to the light trough in described LED-backlit source.
7. a liquid crystal display module comprises:
Panel;
The described backlight module of claim 1 to 6 any one.
8. a liquid crystal indicator, comprise liquid crystal display module claimed in claim 7.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320284767 CN203350565U (en) | 2013-05-22 | 2013-05-22 | Backlight module, liquid crystal display module and liquid crystal display device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320284767 CN203350565U (en) | 2013-05-22 | 2013-05-22 | Backlight module, liquid crystal display module and liquid crystal display device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203350565U true CN203350565U (en) | 2013-12-18 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320284767 Expired - Lifetime CN203350565U (en) | 2013-05-22 | 2013-05-22 | Backlight module, liquid crystal display module and liquid crystal display device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203350565U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110928048A (en) * | 2019-12-13 | 2020-03-27 | 武汉华星光电技术有限公司 | Backlight module and manufacturing method thereof |
| CN113643619A (en) * | 2021-10-13 | 2021-11-12 | 惠科股份有限公司 | Backlight module and display device |
-
2013
- 2013-05-22 CN CN 201320284767 patent/CN203350565U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110928048A (en) * | 2019-12-13 | 2020-03-27 | 武汉华星光电技术有限公司 | Backlight module and manufacturing method thereof |
| CN113643619A (en) * | 2021-10-13 | 2021-11-12 | 惠科股份有限公司 | Backlight module and display device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20131218 |
|
| CX01 | Expiry of patent term |