CN103322469A - Backlight module and display device adopting same - Google Patents
Backlight module and display device adopting same Download PDFInfo
- Publication number
- CN103322469A CN103322469A CN2013101541024A CN201310154102A CN103322469A CN 103322469 A CN103322469 A CN 103322469A CN 2013101541024 A CN2013101541024 A CN 2013101541024A CN 201310154102 A CN201310154102 A CN 201310154102A CN 103322469 A CN103322469 A CN 103322469A
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- China
- Prior art keywords
- locating dowel
- backlight module
- stiffener
- joint portion
- lgp
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Abstract
The invention provides a backlight module and a display device adopting the same. The backlight module includes a light guide plate, positioning columns and at least one reinforcing piece, wherein the positioning columns are used for fixing the light guide plate; a first combining part is arranged on the peripheral edge of each positioning column; the reinforcing pieces are detachably combined to the positioning columns, and are provided with second combining parts; the reinforcing pieces are arranged on the peripheral edges of the positioning columns through the mutual fixation of the first combining parts and the second combining parts. When the light guide plate exerts acting force to the positioning columns in the first direction, the reinforcing pieces are arranged on the first direction sides of the positioning columns; the reinforcing pieces arranged on the peripheral edges of the positioning columns are used for enhancing the strength of the positioning columns and preventing the positioning columns from being oblique.
Description
Technical field
The present invention relates to a kind of backlight module and have the display unit of this backlight module, relate in particular to and a kind ofly have the backlight module of light guide plate positioning structure and have the display unit of this backlight module.
Background technology
At present, in having the backlight module of LGP, usually can use locating dowel to fix LGP.As shown in Figure 1, be prior art back light module unit structure schematic diagram.Among Fig. 1, backlight module comprises base plate 301 and LGP 302, and the periphery of LGP 302 is provided with a plurality of depressed parts 3021, is provided with a plurality of locating dowels 303 on the base plate 301, and locating dowel 303 matches with depressed part 3021, is used for lightguide plate fixing 302.Yet, when backlight module is impacted or is in the state of vibrations, locating dowel 303 easy and LGP 302 generation frictions, even may make LGP produce slight crack, locating dowel 303 itself also can produce crooked.
Summary of the invention
For addressing the above problem, the present invention proposes a kind of backlight module and has the display unit of this backlight module, by the periphery in locating dowel stiffener is set, and reaches to strengthen locating dowel intensity and prevent the purpose that locating dowel is crooked.
For achieving the above object, the present invention proposes a kind of backlight module, comprising: LGP, locating dowel and at least one stiffener; Locating dowel is used for fixing this LGP, and the periphery of this locating dowel has the first joint portion; This stiffener is incorporated into this locating dowel separably, and this stiffener has the second joint portion; Wherein, this stiffener is arranged at the periphery of this locating dowel by interfixing of this first joint portion and this second joint portion, when this LGP when first direction produces active force to this locating dowel, this stiffener is arranged at this first direction side of this locating dowel.
As optional technical scheme, this backlight module has a plurality of these locating dowels, have a plurality of depressed parts around this LGP, these a plurality of locating dowels are arranged at this a plurality of depressed parts place, when this depressed part when this first direction produces this active force to this locating dowel, this stiffener is arranged at this first direction side of this locating dowel.
As optional technical scheme, one of them of this first joint portion and this second joint portion is groove, this first joint portion and this second joint portion wherein another is protuberance.
As optional technical scheme, this stiffener also includes the first support portion, and this second joint portion is arranged on this first support portion.
As optional technical scheme, the edge of this first support portion is arcuation, and when a plurality of these stiffeners were fixed in this periphery of this locating dowel, this edge of a plurality of these the first support portions was connected to form circular.
As optional technical scheme, this locating dowel includes first and second portion, this first is arranged at the top of this second portion, and the junction of this first and this second portion forms the second support portion, and this second support portion is used for supporting this LGP.
As optional technical scheme, this first is the first cylinder, and this second portion is the second cylinder, and the diameter of this first cylinder is less than the diameter of this second cylinder, thereby this junction of this first and this second portion forms this second support portion.
As optional technical scheme, this first joint portion is arranged at the periphery of this second portion, when this second joint portion when be combined in this first joint portion, the top of this second joint portion and this second support portion copline.
As optional technical scheme, this backlight module also includes base plate, and this locating dowel is fixed on this base plate, and this stiffener is resisted against this base plate.
The present invention more proposes a kind of display unit, comprises aforesaid backlight module, and display floater, and this display floater is arranged at the bright dipping side of this backlight module.
Compared with prior art, locating dowel periphery of the present invention is provided with stiffener, and can determine the setting position of stiffener according to the force direction that is subjected to of locating dowel, and flexible design is so that the strength-enhanced of locating dowel prevents the wearing and tearing of the crooked and LGP of locating dowel.
Description of drawings
Fig. 1 is prior art back light module unit structure schematic diagram.
Fig. 2 is locating dowel structural representation of the present invention.
Fig. 3 is stiffener structural representation of the present invention.
Fig. 4 is locating dowel of the present invention and stiffener combining structure schematic diagram.
Fig. 5 is one embodiment of the invention back light module unit structure schematic diagram.
Fig. 6 is second embodiment of the invention back light module unit structure schematic diagram.
Fig. 7 is third embodiment of the invention back light module unit structure schematic diagram.
The specific embodiment
For making purpose of the present invention, structure, feature and function thereof there are further understanding, hereby cooperate embodiment to be described in detail as follows.
Back light module unit structure of the present invention as shown in Figure 5, Fig. 5 is one embodiment of the invention back light module unit structure schematic diagram.Shown in Fig. 2-4, Fig. 2 is locating dowel structural representation of the present invention, and Fig. 3 is stiffener structural representation of the present invention, and Fig. 4 is locating dowel of the present invention and stiffener combining structure schematic diagram.Backlight module of the present invention comprises: LGP 400, locating dowel 100 and at least one stiffener 200; Locating dowel 100 is used for fixing this LGP 400, and the periphery of this locating dowel 100 has the first joint portion 1031; This stiffener 200 is incorporated into separably these locating dowel 100 these stiffeners 200 and has the second joint portion 202; Wherein, this stiffener 200 is arranged at the periphery of this locating dowel 100 by this first joint portion 1031 with interfixing of this second joint portion 202, when this LGP 400 when first direction produces active force to this locating dowel 100, this stiffener 200 is arranged at this first direction side of this locating dowel 100.
This backlight module has a plurality of these locating dowels 100, have a plurality of depressed parts 401 around this LGP 400, these a plurality of locating dowels 100 are arranged at this a plurality of depressed parts 401 places, when this depressed part 401 when this first direction produces this active force to this locating dowel 100, this stiffener 200 is arranged at this first direction side of this locating dowel 100.Can be shown in Fig. 5-7, Fig. 5 is one embodiment of the invention back light module unit structure schematic diagram.Fig. 6 is second embodiment of the invention back light module unit structure schematic diagram.Fig. 7 is third embodiment of the invention back light module unit structure schematic diagram.In Fig. 5, depressed part 401 produces active force in this first direction A to this locating dowel 100, and then stiffener 200 can be arranged at the first direction A side of this locating dowel 100, and the embodiment among Fig. 5 only is provided with a stiffener 200, but not as limit; Also can be as shown in Figure 6, when depressed part 401 produces active force in this first direction A to this locating dowel 100, at the periphery of locating dowel 100 stiffener 200 is set all, be provided with four interconnective stiffeners 200 among Fig. 6; Direction and number that stiffener 200 arranges can be decided according to actual demand, as shown in Figure 7, when depressed part 401 produces active force in this second direction B to this locating dowel 100, be provided with two stiffeners 200 in the second direction B of locating dowel 100 side, these two stiffeners 200 link to each other and arrange.Stiffener 200 of the present invention is structure capable of being combined, can stiffener 200 selectively be set according to action direction and the amount of force of 400 pairs of locating dowels 100 of LGP, flexible design, and can increase and decrease according to actual conditions the number of stiffener 200, and need not all to be designed to stiffener 200 full structures of surrounding locating dowels 100, in the situation that guarantee that locating dowel is not crooked, cost-saved.
The below is described in detail with regard to the concrete structure of locating dowel 100 and stiffener 200.Shown in Fig. 2-4, this first joint portion 1031 of this locating dowel 100 is groove, and this second joint portion 202 of this stiffener 200 is protuberance, the combination of this first joint portion 1031 and this second joint portion 202 be groove and protuberance mutually block with.But not as limit, can the first joint portion 1031 be protuberance also, and the second joint portion 202 be groove.This groove can be designed to the scalariform groove structure, and also can be designed to scalariform outstanding for this protuberance accordingly, can be so that both combinations are more firm.
The concrete structure of this stiffener 200 can be as shown in Figure 3, and this stiffener 200 also includes the first support portion 201, and this second joint portion 202 is arranged on this first support portion 201.As shown in Figure 3, the second joint portion 202 of stiffener 200 of the present invention is vertically installed in the inward flange side of this first support portion 201, play the effect of reinforcement, this second joint portion 202 is approximated to the right angle trigonometry shape, wherein a right-angle side and this first support portion 201 interfix, an other right-angle side then protrudes out this first support portion 201 and combines with this locating dowel 100, but this second joint portion 202 not necessarily is designed to the right angle trigonometry shape, also can be designed to scalariform, cuboid etc., can decide according to actual conditions.The first support portion 201 of the present invention is designed to the structure that the edge is arcuation, can be so that a plurality of stiffener 200 easily engages when being stitched together, when a plurality of these stiffeners 200 are fixed in this periphery of this locating dowel 100, this edge of a plurality of these the first support portions 201 can be connected to form circular, as shown in Figure 4, can be so that reinforced structure be more firm.It is 90 ° arcuation that the edge designs of the first support portion 201 of stiffener 200 of the present invention becomes radian, thus use four these stiffeners 200 namely can be spliced into one circular.But not as limit, the radian at the edge of the first support portion 201 design can be set according to actual demand, and the number that surrounds a circular required stiffener 200 also can change thereupon.This first support portion 201 is not limited to be designed to arcuation, can decide according to actual conditions.The base area of the first support portion 201 is larger, so that there is enough large support force this first support portion 201, as optional technical scheme, the area of the bottom surface of this first support portion 201 can be greater than the base area of locating dowel 100.In addition, this stiffener 200 can be made by metal material, can increase the intensity of this stiffener 200, but not as limit.
The concrete structure of this locating dowel 100 can be as shown in Figure 2, this locating dowel 100 includes first 101 and second portion 103, this first 101 is arranged at the top of this second portion 103, and this first 101 forms the second support portion 102 with the junction of this second portion 103, and this second support portion 102 is used for supporting this LGP 400.In an embodiment of the present invention, this first 101 is the first cylinder, this second portion 103 is the second cylinder, and the diameter of this first cylinder is less than the diameter of this second cylinder, thereby this junction of this first 101 and this second portion 103 forms this second support portion 102.This first joint portion 1031 is arranged at the periphery of this second portion 103, when this second joint portion 202 and this first joint portion 1031 in conjunction with the time, the top of this second joint portion 202 and this second support portion 102 coplines, thus can increase Area of bearing.In addition, this locating dowel 100 can be made by elastomeric material, can reduce the friction between locating dowel 100 and the LGP 400, but not as limit.
As shown in Figure 5, this backlight module also includes base plate 500, and this locating dowel 100 is fixed on this base plate 500.In with embodiment, as shown in Figure 2, the lower of the second portion 103 of this locating dowel 100 can arrange base 104, the fixing of locating dowel 100 and this base plate 500 can be by fixedly the realizing of this base 104 and this base plate 500, base 104 can comprise screw locking, attaching etc. with the fixed form of base plate 500.The first support portion 201 of stiffener can be resisted against on the base plate 500.Because the contact area of the first support portion 201 and base plate 500 is greater than the contact area of base 104 with the base plate 500 of locating dowel, so locating effect is enhanced.
The present invention more proposes a kind of display unit, the display floater that comprises aforesaid backlight module and be arranged at this backlight module bright dipping side.Certainly, can also comprise the structures such as diffusion sheet, prismatic lens, reflector plate in the backlight module, display unit also can comprise polaroid etc. in addition, and this is this area known techniques, repeats no more.Need to prove that the combining structure of locating dowel of the present invention and stiffener also can be used for the location to optical elements such as above-mentioned diffusion sheet, prismatic lens, reflector plate, polaroids.
The present invention is described by above-mentioned related embodiment, yet above-described embodiment is only for implementing example of the present invention.Must be pointed out that, the embodiment that has disclosed does not limit the scope of the invention.On the contrary, the change of doing without departing from the spirit and scope of the present invention and retouching all belong to scope of patent protection of the present invention.
Claims (10)
1. backlight module is characterized in that comprising:
LGP;
Locating dowel is used for fixing this LGP, and the periphery of this locating dowel has the first joint portion; And
At least one stiffener is incorporated into this locating dowel separably, and this stiffener has the second joint portion;
Wherein, this stiffener is arranged at the periphery of this locating dowel by interfixing of this first joint portion and this second joint portion, when this LGP when first direction produces active force to this locating dowel, this stiffener is arranged at this first direction side of this locating dowel.
2. backlight module as claimed in claim 1, it is characterized in that: this backlight module has a plurality of these locating dowels, have a plurality of depressed parts around this LGP, these a plurality of locating dowels are arranged at this a plurality of depressed parts place, when this depressed part when this first direction produces this active force to this locating dowel, this stiffener is arranged at this first direction side of this locating dowel.
3. backlight module as claimed in claim 1 is characterized in that: one of them of this first joint portion and this second joint portion is groove, this first joint portion and this second joint portion wherein another is protuberance.
4. backlight module as claimed in claim 1, it is characterized in that: this stiffener also includes the first support portion, and this second joint portion is arranged on this first support portion.
5. backlight module as claimed in claim 4, it is characterized in that: the edge of this first support portion is arcuation, when a plurality of these stiffeners were fixed in this periphery of this locating dowel, this edge of a plurality of these the first support portions was connected to form circular.
6. backlight module as claimed in claim 1, it is characterized in that: this locating dowel includes first and second portion, this first is arranged at the top of this second portion, and the junction of this first and this second portion forms the second support portion, and this second support portion is used for supporting this LGP.
7. backlight module as claimed in claim 6, it is characterized in that: this first is the first cylinder, this second portion is the second cylinder, and the diameter of this first cylinder is less than the diameter of this second cylinder, thereby this junction of this first and this second portion forms this second support portion.
8. backlight module as claimed in claim 6, it is characterized in that: this first joint portion is arranged at the periphery of this second portion, when this second joint portion when be combined in this first joint portion, the top of this second joint portion and this second support portion copline.
9. backlight module as claimed in claim 1, it is characterized in that: this backlight module also includes base plate, and this locating dowel is fixed on this base plate, and this stiffener is resisted against this base plate.
10. display unit is characterized in that comprising:
Such as the described backlight module of any one among the claim 1-9; And
Display floater is arranged at the bright dipping side of this backlight module.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310154102.4A CN103322469B (en) | 2013-04-28 | 2013-04-28 | Backlight module and display device adopting same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310154102.4A CN103322469B (en) | 2013-04-28 | 2013-04-28 | Backlight module and display device adopting same |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103322469A true CN103322469A (en) | 2013-09-25 |
| CN103322469B CN103322469B (en) | 2015-07-01 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310154102.4A Expired - Fee Related CN103322469B (en) | 2013-04-28 | 2013-04-28 | Backlight module and display device adopting same |
Country Status (1)
| Country | Link |
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| CN (1) | CN103322469B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2016184088A1 (en) * | 2015-05-19 | 2016-11-24 | 京东方科技集团股份有限公司 | Backlight module and display device |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20050169010A1 (en) * | 2004-01-29 | 2005-08-04 | Quanta Display Inc. | Backlight module with an impact damping design |
| JP2012015000A (en) * | 2010-07-02 | 2012-01-19 | Hitachi Displays Ltd | Backlight device and liquid crystal display device |
| CN102563468A (en) * | 2012-02-16 | 2012-07-11 | 深圳市华星光电技术有限公司 | Side-light type backlight module and liquid crystal display device |
| CN102748651A (en) * | 2012-05-15 | 2012-10-24 | 达运精密工业（厦门）有限公司 | Backlight module and liquid crystal display device |
| CN202511121U (en) * | 2012-02-03 | 2012-10-31 | 京东方科技集团股份有限公司 | Backlight module and display device |
-
2013
- 2013-04-28 CN CN201310154102.4A patent/CN103322469B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20050169010A1 (en) * | 2004-01-29 | 2005-08-04 | Quanta Display Inc. | Backlight module with an impact damping design |
| JP2012015000A (en) * | 2010-07-02 | 2012-01-19 | Hitachi Displays Ltd | Backlight device and liquid crystal display device |
| CN202511121U (en) * | 2012-02-03 | 2012-10-31 | 京东方科技集团股份有限公司 | Backlight module and display device |
| CN102563468A (en) * | 2012-02-16 | 2012-07-11 | 深圳市华星光电技术有限公司 | Side-light type backlight module and liquid crystal display device |
| CN102748651A (en) * | 2012-05-15 | 2012-10-24 | 达运精密工业（厦门）有限公司 | Backlight module and liquid crystal display device |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2016184088A1 (en) * | 2015-05-19 | 2016-11-24 | 京东方科技集团股份有限公司 | Backlight module and display device |
| US9904005B2 (en) | 2015-05-19 | 2018-02-27 | Boe Technology Group Co., Ltd. | Backlight module and display device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103322469B (en) | 2015-07-01 |
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Granted publication date: 20150701 Termination date: 20170428 |
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| CF01 | Termination of patent right due to non-payment of annual fee |