CN204084002U - A kind of backlight module and liquid crystal indicator - Google Patents
A kind of backlight module and liquid crystal indicator Download PDFInfo
- Publication number
- CN204084002U CN204084002U CN201420447106.1U CN201420447106U CN204084002U CN 204084002 U CN204084002 U CN 204084002U CN 201420447106 U CN201420447106 U CN 201420447106U CN 204084002 U CN204084002 U CN 204084002U
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- Prior art keywords
- card ear
- backlight module
- blooming piece
- utility
- model
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- 239000004973 liquid crystal related substance Substances 0.000 title claims abstract description 15
- 239000003292 glue Substances 0.000 claims description 19
- 239000002390 adhesive tape Substances 0.000 claims description 9
- 238000009792 diffusion process Methods 0.000 claims description 4
- 238000010586 diagram Methods 0.000 description 17
- 230000003287 optical effect Effects 0.000 description 14
- 210000005069 ears Anatomy 0.000 description 3
- 150000001875 compounds Chemical class 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 206010068052 Mosaicism Diseases 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 210000003765 sex chromosome Anatomy 0.000 description 1
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Abstract
The utility model discloses a kind of backlight module and a kind of liquid crystal indicator, wherein, backlight module comprises: blooming piece, and described blooming piece comprises blooming piece main body and is positioned at the card ear on blooming piece main body side, and described card ear has kink.The backlight module that the utility model provides and liquid crystal indicator, when frame is narrower, still can ensure that the blooming piece in backlight module has higher mechanical stability.
Description
Technical field
The utility model relates to a kind of back light module unit structure, particularly a kind of optical diaphragm structure of backlight module.
Background technology
Liquid crystal indicator is as a kind of important FPD mode, there have been development at full speed nearly more than ten years, the many merits such as it has that fuselage is thin, power saving, radiationless, low energy consumption, are widely used in the modernization information equipments such as TV, computer, mobile phone, digital camera.Because LCD itself does not have luminous function, therefore a backlight module must be provided in the below of display panels, to provide the area source needed for liquid crystal panel.Backlight module is one of most important parts in liquid crystal display, directly affects the quality of liquid crystal display image.As shown in Figure 1, Fig. 1 is back light module unit structure schematic diagram in prior art.Back light module unit structure is disposed with chase 111 from bottom to top, glue frame 110, light source 112, light guide plate 109, diffusion sheet 108, lower prismatic lens 107, upper prismatic lens 106.Above backlight module, be provided with adhesive tape 105, for fixed optics diaphragm, wherein, blooming piece comprises light guide plate 109, diffusion sheet 108, prismatic lens and reflector plate etc.
In existing backlight module, blooming piece is generally fixed on glue frame 110 by adhesive tape 105, and blooming piece is provided with card ear, and as shown in Figure 2 and Figure 3, Fig. 2 is a kind of optical diaphragm structure schematic diagram of the prior art; Fig. 3 is another kind of optical diaphragm structure schematic diagram of the prior art, card ear 102 is formed at the side of blooming piece 101, on glue frame, be provided with locating slot simultaneously, described card ear 102 agrees with in described locating slot, blooming piece 101 is attached on glue frame by blend compounds band 105, thus realizes the fixing of blooming piece.According to the demand of client, Ka Erhui is arranged on the side of blooming piece 101 near light source, as shown in Figure 2; Or be arranged on the right and left of blooming piece 101, as shown in Figure 3.
Along with people require more and more higher to the apparent size of liquid crystal indicator, the frame of liquid crystal indicator is also more and more narrow, for realizing narrow frame, the width of glue frame reduces by existing design usually, the card ear of blooming piece also reduces accordingly, the card ear bonding area of adhesive tape and blooming piece reduces, and causes the mechanical stability of blooming piece to reduce.
Therefore, how solving in narrow frame backlight module, the mechanism stable sex chromosome mosaicism of blooming piece, is the technical problem that those skilled in the art need solution badly.
Utility model content
The purpose of this utility model is to provide a kind of blooming piece and has the backlight module of higher mechanical stability and a kind of liquid crystal indicator.
The utility model provides a kind of backlight module, it is characterized in that, comprising: blooming piece, and described blooming piece comprises blooming piece main body and is positioned at the card ear on blooming piece main body side, and described card ear has kink.
The utility model also provides a kind of liquid crystal indicator, comprises above-mentioned backlight module.
The backlight module that the utility model provides and liquid crystal indicator, when frame is narrower, still can ensure that the blooming piece in backlight module has higher mechanical stability.
Accompanying drawing explanation
Fig. 1 is back light module unit structure schematic diagram in prior art;
Fig. 2 is a kind of optical diaphragm structure schematic diagram of the prior art;
Fig. 3 is another kind of optical diaphragm structure schematic diagram of the prior art;
The first optical diaphragm structure schematic diagram that Fig. 4 provides for the utility model;
Fig. 5 is that upper prismatic lens and lower prismatic lens stack schematic diagram;
The second optical diaphragm structure schematic diagram that Fig. 6 provides for the utility model;
The third optical diaphragm structure schematic diagram that Fig. 7 provides for the utility model;
The 4th kind of optical diaphragm structure schematic diagram that Fig. 8 provides for the utility model;
The 5th kind of optical diaphragm structure schematic diagram that Fig. 9 provides for the utility model.
Detailed description of the invention
Although be described in more detail the utility model below with reference to accompanying drawings, which show preferred embodiment of the present utility model, should be understood to those skilled in the art can modify on the basis of the description, and still can realize advantageous effects of the present utility model.Therefore, following description is appreciated that the expansion of the thinking to those skilled in the art, and not as to restriction of the present utility model.
In the following passage, more specifically the utility model is described by way of example with reference to accompanying drawing.Make main points of the present utility model and feature will be clearer according to following explanation.It should be noted that, accompanying drawing all adopts the form that simplifies very much and all uses non-ratio accurately, only in order to object that is convenient, clearly aid illustration the utility model embodiment.
The utility model embodiment provides a kind of backlight module, and described backlight module comprises a blooming piece.As shown in Figure 4, a kind of structural representation of blooming piece that provides for the utility model of Fig. 4.A kind of backlight module that the utility model provides, comprise: blooming piece, described blooming piece comprises blooming piece main body 201 and is positioned at the card ear 202 on blooming piece main body side, two card ears 202 be oppositely arranged are arranged on the two ends of a side in the close lamp source of blooming piece main body 201, described card ear has kink 203, and the kink 203 of two card ears 202 is oppositely arranged.The glue frame of backlight module is provided with locating slot, and described card ear 202 agrees with in described locating slot, and blooming piece is attached on glue frame by blend compounds band, thus realizes the fixing of blooming piece.
In the back light module unit structure that the utility model provides, the card ear of blooming piece arranges kink, adds the contact area of Ka Er and adhesive tape.Therefore, the backlight module that the utility model provides, when frame is narrower, still can ensure that the blooming piece in backlight module has higher mechanical stability.
The utility model embodiment provides backlight module also to comprise glue frame, described glue frame is for carrying described blooming piece, locating slot is provided with in described glue frame, locating slot is corresponding with card ear position, and namely when blooming piece is positioned in glue frame, card ear is contained in the locating slot of glue frame, clamping slot depth is more than or equal to described card ear thickness, blooming piece is fixed on described glue frame by adhesive tape, and described adhesive tape covers whole card ear, Ka Er and glue frame is adhesively fixed.
In the back light module unit structure that the utility model provides, the card ear of blooming piece arranges kink, adds the contact area of Ka Er and adhesive tape.And there is the card ear structure of kink, agree with the locating groove of glue frame, better fixed effect can be realized: compared to card ear structure of the prior art, only can realize fixing on a direction, the card ear structure that the utility model provides, kink can make up the fixing deficiency of single direction, therefore, the utility model provides and when frame is narrower, still can ensure that the blooming piece in backlight module has higher mechanical stability.
The utility model embodiment provides backlight module, blooming piece main body and described card ear are formed in one, described blooming piece comprises: reflector plate, light guide plate, diffusion sheet, prismatic lens, wherein, the position of the corresponding described card ear of different described blooming pieces is different, as shown in Figure 5, Fig. 5 is that upper prismatic lens and lower prismatic lens stack schematic diagram.Above prismatic lens 206 is example with lower prismatic lens 207, the upper prismatic lens card ear 202a being positioned at prismatic lens 206 and the lower prismatic lens card ear 202b being positioned at lower prismatic lens 207 are positioned at the diverse location of the same side of backlight module, when upper prismatic lens 206 is stacked with lower prismatic lens 207, upper prismatic lens card ear 202a and lower prismatic lens card ear 202b does not block each other.
Optionally, in present embodiment, described card ear shape is " L " type, and in other embodiments, described card ear shape can also be T-shape, as shown in Figure 6, the another kind of optical diaphragm structure schematic diagram that Fig. 6 provides for the utility model, wherein, blooming piece comprises blooming piece main body 201 and is positioned at the card ear 202 on blooming piece main body 201 side, the shape of card ear 202 is T-shape, and namely kink 203 is positioned at the both sides of card ear.
Optionally, described card ear quantity can set according to the demand of blooming piece desirable strength and modular structure, can be 1, also can be multiple.
Optionally, in order to improve the mechanical stability of the blooming piece in backlight module further, card ear can be set at relative two sides of blooming piece, as shown in Figure 7, the third optical diaphragm structure schematic diagram that Fig. 7 provides for the utility model, wherein, blooming piece comprises blooming piece main body 201 and is positioned at the card ear 202 on blooming piece main body 201 side, described card ear 202 has kink 203, the quantity of card ear 202 is even number, and card ear 202 is arranged on relative two sides of described blooming piece main body, and positional symmetry, in other embodiments, as shown in Figure 8, the 4th kind of optical diaphragm structure schematic diagram that Fig. 8 provides for the utility model, described card ear 202 is arranged on relative two sides of described blooming piece main body 201, described card ear 202 has kink 203, and the position of card ear 202 is asymmetric on limit, blooming piece main body 201 left and right sides, thus in assembling diaphragm process, prevent diaphragm anti-loaded.In figures 7 and 8, two card ear 202 overbending directions that same side is arranged are contrary, and in other embodiments, two card ear 202 overbending directions that same side is arranged are identical, or two card ear 202 overbending directions that same side is arranged are relative.
Optionally, described backlight module also comprises lamp source, and the side of blooming piece near lamp source is provided with card ear, and Ka Er does not overlap with lamp source, and namely the position of card ear is arranged along light source periphery, or is arranged in the space between adjacent two lamp sources.As shown in Figure 9, the 5th kind of optical diaphragm structure schematic diagram that Fig. 9 provides for the utility model, wherein, blooming piece comprises blooming piece main body 201 and is positioned at the card ear 202 on blooming piece main body 201 side, two card ears 202 be oppositely arranged are arranged on the two ends of a side in the close lamp source of blooming piece main body 201, described card ear has kink 203, the kink 203 of adjacent card ear is interconnected, be provided with space 204 between kink 203 and blooming piece main body 201, dodge space as lamp source.
The utility model also provides a kind of liquid crystal indicator, comprises above-mentioned backlight module.
In sum, although the utility model discloses as above with preferred embodiment, so itself and be not used to limit the utility model, those skilled in the art can do various changes and retouching under the prerequisite not departing from spirit and scope of the present utility model, if therefore these amendments of the present utility model and modification belong within the scope of the utility model claim and equivalent technologies thereof, then the utility model is also intended to comprise these change and modification.Protection domain of the present utility model is as the criterion with claim of the present utility model.
Claims (14)
1. a backlight module, is characterized in that, comprising: blooming piece, and described blooming piece comprises blooming piece main body and is positioned at the card ear on blooming piece main body side, and described card ear has kink.
2. backlight module as claimed in claim 1, it is characterized in that, described card ear quantity is for being more than or equal to 1.
3. backlight module as claimed in claim 1, it is characterized in that, described card ear shape is " L " type or T-shape.
4. backlight module as claimed in claim 1, it is characterized in that, described card ear is even number, and described card ear is arranged on relative two sides of described blooming piece.
5. backlight module as claimed in claim 1, it is characterized in that, the overbending direction of the kink of adjacent card ear is identical, or the overbending direction of the kink of adjacent card ear is relative.
6. backlight module as claimed in claim 1, it is characterized in that, the kink of adjacent card ear is interconnected.
7. backlight module as claimed in claim 1, it is characterized in that, described blooming piece main body and described card ear are formed in one.
8. backlight module as claimed in claim 1, it is characterized in that, described backlight module also comprises glue frame, and described glue frame, for carrying described blooming piece, is provided with locating slot in described glue frame, and described locating slot is corresponding with described card ear position.
9. backlight module as claimed in claim 8, it is characterized in that, described clamping slot depth is more than or equal to described card ear thickness.
10. backlight module as claimed in claim 1, it is characterized in that, described blooming piece comprises: reflector plate, light guide plate, diffusion sheet, prismatic lens.
11. backlight modules as claimed in claim 10, is characterized in that, the position of the corresponding described card ear of different described blooming pieces is different.
12. backlight modules as claimed in claim 1, is characterized in that, described blooming piece is fixed on described glue frame by adhesive tape, and described adhesive tape at least covers the subregion of described card ear.
13. backlight modules as claimed in claim 1, it is characterized in that, described backlight module also comprises lamp source, and the side of described blooming piece near described lamp source is provided with described card ear, and described card ear does not overlap with described lamp source.
14. 1 kinds of liquid crystal indicators, comprise the backlight module as described in any one of claim 1-13.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420447106.1U CN204084002U (en) | 2014-08-08 | 2014-08-08 | A kind of backlight module and liquid crystal indicator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420447106.1U CN204084002U (en) | 2014-08-08 | 2014-08-08 | A kind of backlight module and liquid crystal indicator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204084002U true CN204084002U (en) | 2015-01-07 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420447106.1U Expired - Lifetime CN204084002U (en) | 2014-08-08 | 2014-08-08 | A kind of backlight module and liquid crystal indicator |
Country Status (1)
| Country | Link |
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| CN (1) | CN204084002U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105807488A (en) * | 2016-04-29 | 2016-07-27 | 青岛海信电器股份有限公司 | Backlight module and liquid crystal display device |
| CN107608131A (en) * | 2017-09-16 | 2018-01-19 | 合肥惠科金扬科技有限公司 | A kind of manufacture method of the backboard of backlight module |
| CN107621725A (en) * | 2017-09-16 | 2018-01-23 | 合肥惠科金扬科技有限公司 | A kind of backboard of backlight module |
| CN107765478A (en) * | 2017-09-16 | 2018-03-06 | 合肥惠科金扬科技有限公司 | A kind of backlight module |
-
2014
- 2014-08-08 CN CN201420447106.1U patent/CN204084002U/en not_active Expired - Lifetime
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105807488A (en) * | 2016-04-29 | 2016-07-27 | 青岛海信电器股份有限公司 | Backlight module and liquid crystal display device |
| CN105807488B (en) * | 2016-04-29 | 2019-09-27 | 青岛海信电器股份有限公司 | Backlight module and liquid crystal display device |
| CN107608131A (en) * | 2017-09-16 | 2018-01-19 | 合肥惠科金扬科技有限公司 | A kind of manufacture method of the backboard of backlight module |
| CN107621725A (en) * | 2017-09-16 | 2018-01-23 | 合肥惠科金扬科技有限公司 | A kind of backboard of backlight module |
| CN107765478A (en) * | 2017-09-16 | 2018-03-06 | 合肥惠科金扬科技有限公司 | A kind of backlight module |
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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 | ||
| CX01 | Expiry of patent term |
Granted publication date: 20150107 |