CN2685921Y - Frame structure for back light module - Google Patents
Frame structure for back light module Download PDFInfo
- Publication number
- CN2685921Y CN2685921Y CN 200420006500 CN200420006500U CN2685921Y CN 2685921 Y CN2685921 Y CN 2685921Y CN 200420006500 CN200420006500 CN 200420006500 CN 200420006500 U CN200420006500 U CN 200420006500U CN 2685921 Y CN2685921 Y CN 2685921Y
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- fixed frame
- chimeric
- backlight module
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Abstract
The utility model provides a frame structure for back light modules. The new frame structure for backlight modules mainly comprises an upper fixing frame and a lower fixing frame. The combination of a fixing element of a T-shaped clamping hook of the upper fixing frame and a corresponding groove element of the lower fixing frame for combining the T-shaped clamping hook structure are utilized. Thus, the backlight module components, comprising a linear light source, a light source fixing seat, a light leading board, an upper diffusion board, a reflection board, a lower diffusion board and a light strengthening film bubble, can be well fixed and provided with the positioning function.
Description
Technical field
The utility model relates to a kind of framed structure that is used for backlight module, particularly a kind of fixedly framed structure of usefulness of backlight liquid crystal display module that is applicable to.
Background technology
LCD is in present information or household appliances now, and is quite universal, because it has the advantage that price is cheaper and manufacturing technology is ripe, and liked by the consumer.
The display mode of LCD is to adopt passive mode, the irradiation that its demonstration just must have a backlight module light source, for this reason, general LCD has backlight module usually.And LCD forms with very complicated and loaded down with trivial details structure, as shown in Figure 1, usually with a metal housing 5, or add that fixed frame 1 (UpperFrame) and is by metal or plastic fixed frame 2 (Lower Frame) down on the plastics system, with liquid crystal panel 4 and backlight module component, comprise linear light sorurce 6, light source holder 9, light guide plate 12, last diffuser plate 13, bright enhancement film 14, reflecting plate 15, whole coatings such as following diffuser plate 16 wherein, and when coating backlight module and liquid crystal panel used fixed frame, comprise metallic housing 5, last fixed frame 1 and following fixed frame 2 etc. need possess the good fixed function and the convenience of combination.For example, can be provided with latch 11 on the following fixed frame 2, to pass the registration holes 17 that is formed on fixed frame 1, light guide plate 12, last diffuser plate 13, bright enhancement film 14, reflecting plate 15, the following diffuser plate 16.
In addition, in the back light module device that U.S. Patent No. 5729310 discloses, partly adopted following form at the backlight module fixed frame: the fixed sturcture of fixed frame on the plastics system (chimeric) is in-line grab 3 (see figure 1)s, and the in-line hook structure (chimeric) of fixed frame is corresponding groove structure 10 (see figure 1)s on the respective outer side edges of following fixed frame, makes backlight module to be fixed well.But the fixed sturcture of this in-line grab is to ask the convenience of combination all can leave certain clearance, thereby can lose good fixed function.
Existing in addition backlight module as shown in Figure 2, utilizes on one fixed frame A and following fixed frame B with the backlight module elements combination together.Wherein should go up fixed frame A edge and be provided with many hollow buckling element a also for blocking mutually and fixed with the projection buckling element b that is arranged on down the setting of fixed frame B periphery.And, make fixing effect make a discount because this hollow buckling element a and this projection buckling element b require as the certain clearance c that also can leave shown in Figure 3 because of the convenience of assembling.
Therefore, no matter be that the restriction direction that in-line hook structure or hollow hook structure can provide only limits at above-below direction, left and right directions is then because ask the convenience of combination, so all must stay greatly at interval, thereby can't do effectively restriction at left and right directions.Therefore, existing backlight module stationary frame structure does not provide effective positioning function.
In view of this, but the utility model will propose a kind of solution to the problems described above.
The utility model content
Fundamental purpose of the present utility model provides a kind of can the location simultaneously and fixing backlight module frame structure, thereby can promote good fixed function.
Secondary objective of the present utility model provides a kind of backlight module frame structure that can reduce the fixed card slot number, thereby can save the weight and the cost of framework.
For reaching above-mentioned purpose, a kind of framed structure that is used for backlight module that the utility model proposed comprises: fixed frame once, and it is the member of carrying backlight module; Fixed frame on one is disposed on this time fixed frame, cooperates with this time fixed frame to fix this backlight module member; Wherein should go up fixed frame and have and have limit lateral simultaneously concurrently and move and limit the chimeric element that vertically moves, this time fixed frame has the corresponding chimeric member of this chimeric element of cooperation.
Mating reaction in the utilization between the chimeric member of the chimeric element of fixed frame and following fixed frame can fix and position backlight module well.
Description of drawings
By following explanation and conjunction with figs., above-mentioned purpose of the present utility model, characteristics and advantage will be more clear.
Fig. 1 is for showing the liquid crystal display device structure exploded view of general prior art;
Fig. 2 is the structural representation of fixed frame on the general existing backlight module of demonstration with following fixed frame;
Fig. 3 is the synoptic diagram after fixed frame makes up with following fixed frame on the general existing backlight module of demonstration;
Fig. 4 is for showing the backlight module exploded view according to new frame structure of the present utility model;
Fig. 5 is for showing a specific embodiment structural drawing of going up fixed frame and following fixed frame of the present utility model; And
Fig. 6 is for showing the synoptic diagram of going up after fixed frame makes up with following fixed frame of the present utility model.
Embodiment
At first, see also Fig. 4.Fig. 4 is the structure decomposition map that shows the backlight module 20 of the new frame structure of utilizing a preferred embodiment of the present utility model.By showing among the figure, backlight module is mainly by diffuser plate 22 on the fixed frame on the plastics system 21,, a bright enhancement film 23, once fixed frame 26 from top to bottom combines in regular turn under diffuser plate 24, a light guide plate 25, a light sources and a metallic or the plastics system; Wherein utilizing upward, fixed frame reaches integrated with following fixed frame with whole being fixed up of above-mentioned backlight module component.Should go up fixed frame and have and have limit lateral simultaneously concurrently and move and limit the chimeric element that vertically moves, this time fixed frame has the corresponding chimeric member of this chimeric element of cooperation, and the concrete structure of chimeric element and corresponding chimeric member can be with reference to figure 5.Fig. 5 shows that the fixed frame of going up of the present utility model reaches a specific embodiment structural representation of fixed frame down, wherein a plurality of T type grab elements 30 are arranged at last fixed frame peripheral side, as chimeric element, and one groove 31 corresponding to above-mentioned T type grab element is arranged at the peripheral side of following fixed frame, as the chimeric member of correspondence.The groove 31 of fixed frame can carry out the backlight module member precision positioning and fixing and utilize the T type grab element 30 of going up fixed frame to cooperate down.
Fig. 6 is the structural representation of the groove 31 that shows the T type grab element 30 of going up fixed frame of the present utility model and following fixed frame after chimeric, as shown in the figure, last fixed frame T type grab element can easily chimericly go in the groove of fixed frame, and the interval after chimeric can be also littler than prior art, thereby increase limitation function, utilize hollow grab element or yi word pattern grab element only can fix at above-below direction compared with prior art, new frame texture ratio prior art of the present utility model more increases the fixing function of left and right directions.
In above-mentioned, the groove elements that the T type grab element of going up fixed frame of the present utility model cooperates with following fixed frame can fix and increase newly the function that left and right directions fixes and reach the purpose of precision positioning at above-below direction.And, because it possesses the function of precision positioning, therefore fixed frame peripheral side and following fixed frame peripheral side do not need to reach fixedly purpose than used a plurality of chimeric of prior art on of the present utility model, so new frame texture ratio prior art of the present utility model can more reduce chimeric number of packages order.And reduce chimeric number of packages order, can reduce frame weight, and also can reduce the cost of making mould when the mould die sinking, temperature when the injection moulding of actual fabrication and injection speed are more easy to control in addition also is easier to saturatedly, causes that the fraction defective of manufacturing is low can and then to reduce manufacturing cost.
Obviously, chimeric element of the present utility model and corresponding chimeric member are not limited to above-described T type grab element and groove elements, but can also adopt other forms.For example, although do not illustrate in the drawings, chimeric element can be provided in a side of the Y type grab member of fixed frame periphery, and corresponding chimeric member can be provided in a side of on the following fixed frame with the corresponding member of Y type grab shape.Perhaps, chimeric element can be provided in a side of the grab member of the arrowhead form of fixed frame periphery, and corresponding chimeric member can be provided in a side of on the following fixed frame with the corresponding member of arrowhead form grab shape.
At least have following advantage according to new frame structure backlight module of the present utility model:
1. backlight module of the present utility model has than the better fixing means of prior art, can more firmly make up whole backlight module.
2. new frame structure of the present utility model can have the cost of manufacture lower than prior art.
Though the utility model is described in detail by above-mentioned concrete preferred embodiment and accompanying drawing, the specific embodiment that is disclosed is only in order to explanation the utility model, not in order to limit scope of the present utility model.All various variations of being done in the utility model spirit and scope, improvement all belong to scope of the present utility model.
Claims (7)
1. framed structure that is used for backlight module, it comprises: fixed frame once, it is the member of carrying backlight module; Fixed frame on one is disposed on this time fixed frame, cooperates with this time fixed frame to fix this backlight module member; Wherein should go up fixed frame and have and have limit lateral simultaneously concurrently and move and limit the chimeric element that vertically moves, this time fixed frame has the corresponding chimeric member of this chimeric element of cooperation.
2. framed structure as claimed in claim 1 is characterized in that, described chimeric element is the T type grab member that is located at the fixed frame periphery.
3. framed structure as claimed in claim 2 is characterized in that, the chimeric member of described correspondence is the chase that is located at down on the fixed frame.
4. framed structure as claimed in claim 1 is characterized in that, described chimeric element is the Y type grab member that is located at the fixed frame periphery.
5. framed structure as claimed in claim 4 is characterized in that, the chimeric member of described correspondence be located at down on the fixed frame with the corresponding member of Y type grab shape.
6. framed structure as claimed in claim 1 is characterized in that, described chimeric element is the grab member that is located at the arrowhead form of fixed frame periphery.
7. framed structure as claimed in claim 6 is characterized in that, the chimeric member of described correspondence be located at down on the fixed frame with the corresponding member of arrowhead form grab shape.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200420006500 CN2685921Y (en) | 2004-03-29 | 2004-03-29 | Frame structure for back light module |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200420006500 CN2685921Y (en) | 2004-03-29 | 2004-03-29 | Frame structure for back light module |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2685921Y true CN2685921Y (en) | 2005-03-16 |
Family
ID=34668079
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200420006500 Expired - Fee Related CN2685921Y (en) | 2004-03-29 | 2004-03-29 | Frame structure for back light module |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2685921Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100410769C (en) * | 2006-02-10 | 2008-08-13 | 友达光电股份有限公司 | Back light module and liquid crystal display device utilizing the same back light module |
| CN101191607B (en) * | 2006-11-28 | 2010-09-08 | 三菱电机株式会社 | Planer light source device |
| US8462291B2 (en) | 2009-12-18 | 2013-06-11 | Au Optronics Corporation | Backlight module with film positioning function and display device using the same |
-
2004
- 2004-03-29 CN CN 200420006500 patent/CN2685921Y/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100410769C (en) * | 2006-02-10 | 2008-08-13 | 友达光电股份有限公司 | Back light module and liquid crystal display device utilizing the same back light module |
| CN101191607B (en) * | 2006-11-28 | 2010-09-08 | 三菱电机株式会社 | Planer light source device |
| US7896536B2 (en) | 2006-11-28 | 2011-03-01 | Mitsubishi Electric Corporation | Planer light source device |
| US8462291B2 (en) | 2009-12-18 | 2013-06-11 | Au Optronics Corporation | Backlight module with film positioning function and display device using the same |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: YOUDA PHOTOELECTRIC CO., LTD. Free format text: FORMER OWNER: GUANGHUI ELECTRONIC CO., LTD. Effective date: 20080222 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20080222 Address after: Postcode of Taiwan, Hsinchu, china: Patentee after: AU Optronics Corporation Address before: Taoyuan County, Taiwan province: Patentee before: Guanghui Electronic Co., Ltd. |
|
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20050316 |