CN100399147C - Backlight module and its tube support - Google Patents
Backlight module and its tube support Download PDFInfo
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- CN100399147C CN100399147C CNB2005100747805A CN200510074780A CN100399147C CN 100399147 C CN100399147 C CN 100399147C CN B2005100747805 A CNB2005100747805 A CN B2005100747805A CN 200510074780 A CN200510074780 A CN 200510074780A CN 100399147 C CN100399147 C CN 100399147C
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- opening
- holding frame
- tube
- backlight module
- fluorescent tube
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Abstract
The present invention discloses a back light module. The present invention comprises a bottom plate, a supporting frame of a lamp tube, at least one fixing seat of a lamp tube, and at least one lamp tube, wherein the supporting frame of a lamp tube is arranged on the bottom plate, and comprises a side wall with a first opening and a partition wall, the partition wall is provided with a second opening and at least one placing slot for a lamp tube, and the partition wall is connected with the side wall through a connecting component; one electrode end of the lamp tube is arranged in the placing slot for a lamp tube through the fixing seat of a lamp tube; the first opening is arranged in the side wall, the second opening is arranged in the partition wall and is corresponding to the first opening; heat generated by a luminous body and the electrode can be transmitted out of the supporting frame of a lamp tube through the first and the second openings.
Description
Technical field
The present invention relates to a kind of backlight module, particularly relate to a kind of backlight module that louvre can dissipate to the heating of light source the outside that has.
Background technology
Fig. 1 is the synoptic diagram of existing direct type backlight module.Backlight module 100 comprises a holding frame for luminous tube 10, a diffusion sheet 20, a fluorescent tube 30 and a reflector plate 40.Fluorescent tube 30 is installed in the holding frame for luminous tube 10, and reflector plate 40 is located at the below of fluorescent tube 30, the light that fluorescent tube 30 is sent can be reflected upward, and diffusion sheet 20 is located at the top of fluorescent tube 30, is provided with liquid crystal panel (not shown) above diffusion sheet 20.Holding frame for luminous tube 10 comprises a stuck-module 12, is used for fixing fluorescent tube 30.As shown in the figure, fluorescent tube 30 is arranged in the confined space 50 that is made of holding frame for luminous tube 10, diffusion sheet 20 and reflector plate 40.Fluorescent tube comprise a lamp tube body 31 and about two electrode part 33, lamp tube body 31 also can be generated heat when luminous, during therefore long-term the use, temperature in the confined space 50 can be increased to 50 ℃～75 ℃ gradually from room temperature, and electrode part 33 can produce the high temperature more than 60 ℃, and this equitemperature will have a strong impact on the characteristic and the image characteristics of liquid crystal.
Summary of the invention
In view of this, the object of the present invention is to provide a kind of backlight module, the heat that fluorescent tube sent in the holding frame for luminous tube can be dissipated to the external world by cross-ventilation from louvre with louvre.
The object of the present invention is achieved like this, and a kind of holding frame for luminous tube promptly is provided, and is applicable to support at least one fluorescent tube, and comprising: a sidewall has one first opening; And a partition wall, having one second opening and at least one fluorescent tube standing groove, this partition wall is to be connected with a connection piece with this sidewall, wherein this web member also is used to carry a blooming piece; Wherein, this sidewall has at least one the 3rd opening that is used to dispel the heat corresponding to this at least one fluorescent tube standing groove, and the 3rd opening also holds the lead of the electrode part of this fluorescent tube.
The present invention also provides a kind of backlight module, comprising: a base plate; One holding frame for luminous tube is arranged on this base plate, and this holding frame for luminous tube comprises a sidewall, has one first opening; An and partition wall, have one second opening and at least one fluorescent tube standing groove, this partition wall is connected with a connection piece with this sidewall, wherein this web member or this partition wall also are used to carry a blooming piece, this sidewall has at least one the 3rd opening that is used to dispel the heat corresponding to this at least one fluorescent tube standing groove, and the 3rd opening also holds the lead of the electrode part of this fluorescent tube; At least one lamp tube fixing seat; And at least one fluorescent tube, an electrode tip of this fluorescent tube is arranged at this fluorescent tube standing groove by this lamp tube fixing seat.
A kind of backlight module of one preferred embodiment of backlight module of the present invention comprises: a base plate, a holding frame for luminous tube, at least one lamp tube fixing seat and at least one fluorescent tube.Holding frame for luminous tube is arranged on the base plate, and comprises that one has the sidewall and a partition wall of one first opening.Partition wall has one second opening and at least one fluorescent tube standing groove, and partition wall is to be connected with a connection piece with sidewall.One electrode tip of fluorescent tube is arranged at this fluorescent tube standing groove by this lamp tube fixing seat.First opening is located on this sidewall, and second opening is located on the partition wall, and corresponding to first opening.The heat that luminophor and electrode sent can be disposed to the outside of holding frame for luminous tube via first opening and second opening.
Above-mentioned preferred embodiment also comprises at least one blooming piece, is arranged at this at least one fluorescent tube top by this partition wall or this web member.
Above-mentioned preferred embodiment comprises that also a reflector plate is arranged between this base plate and this holding frame for luminous tube.
In above-mentioned preferred embodiment, sidewall also has at least one the 3rd opening corresponding to the fluorescent tube standing groove.
In above-mentioned preferred embodiment, first opening and second opening are positioned at same horizontal level.
In above-mentioned preferred embodiment, first opening and second opening are positioned at the varying level position.
In above-mentioned preferred embodiment, first opening has one more than or equal to 3 millimeters size.
In above-mentioned preferred embodiment, second opening has one more than or equal to 3 millimeters size.
In above-mentioned preferred embodiment, this first opening is corresponding with second opening.
In above-mentioned preferred embodiment, this first opening staggers mutually with second opening.
For above and other objects of the present invention, feature and advantage can be become apparent, a preferred embodiment cited below particularly, and cooperate appended diagram, be described in detail below.
Description of drawings
Fig. 1 is the synoptic diagram of existing direct type backlight module;
Fig. 2 is the synoptic diagram of a preferred embodiment of backlight module of the present invention;
Fig. 3 a, Fig. 3 b are the stereographic map of A part among Fig. 2;
Fig. 4 a, Fig. 4 b are the synoptic diagram of other enforcement sample attitude of web member in the holding frame for luminous tube;
Fig. 5 is arbitrary size synoptic diagram of first opening.
Embodiment
Fig. 2 is the synoptic diagram of a preferred embodiment of backlight module of the present invention.Backlight module 200 comprises a holding frame for luminous tube 110, a blooming piece 120 (can be diffuser plate or brightening piece), a light source (lamp body 130) and a base plate 140, and (this base plate can employing itself or it is after treatment surperficial, have the material of reflection function, and reach the effect of reflector plate).Holding frame for luminous tube 110 comprises a sidewall 112, a partition wall 114 and a connection piece 116.Sidewall 112 is the outer wall of holding frame for luminous tube 110,114 of partition walls are provided with respect to sidewall 112, and backlight module 200 roughly is divided into one first space 150 and one second space 160, wherein second space 160 is between sidewall 112 and partition wall 114, in second space 160, be provided with simultaneously the lamp tube fixing seat 162 of fixed lamp body 130, on partition wall, be provided with fluorescent tube standing groove 118, and lamp tube fixing seat 162 is sticked on this fluorescent tube standing groove 118.In second space 160, a support 119 also can be set, be used for fixing lamp tube fixing seat 162.Web member 116 connects sidewall 112 and partition wall 114, but while bearing optical diaphragm 120, and web member 116 can be continuous or discrete en plaque or be strip, column, mainly is to be used in conjunction with sidewall 112 and partition wall 114, and make it to have certain rigid, shown in Fig. 4 a, Fig. 4 b.Holding frame for luminous tube 110 can be class U-shaped, class H shape or class h shape, is class h shape in the present embodiment.This holding frame for luminous tube 110 can be sealed, the mode of engaging or bonding etc. is fixed on the base plate 140, and holding frame for luminous tube 110 can be metal, plastics or compound substance.
The stereographic map that Fig. 3 a, Fig. 3 b watch from the below for A part among Fig. 2, for convenience of description for the purpose of, omit base plate 140.Backlight module 200 of the present invention is dissipated to the outside effectively for the heat that the illuminating part 131 that makes lamp body 130 and electrode part 133 are produced, first opening 1121 and the 3rd opening 1161 are set on sidewall 112 respectively, and second opening 1141 is set on partition wall 114.The heat that electrode part 133 is produced can dissipate to the outside of holding frame for luminous tube 110 by the natural convection of air through first opening 1121 or the 3rd opening 1161, the heat that illuminating part 131 is produced can be by the natural convection of air, through second opening 1141 and first opening 1121 and dissipate to the outside of holding frame for luminous tube 110, shown in arrow among Fig. 2.Simultaneously the 3rd opening 1161 also can be in order to the lead (lead wire) of the electrode part 133 of holding lamp body 130.
First opening 1121 can with the 1141 relative configurations of second opening, or first opening 1121 and second opening 1141 are arranged in staggered mode.First opening 1121 and second opening 1141 can be groove or hole, and its shape can be circle, and ellipse is square, any polygon, or be the opening of Any shape.For example 1121 of first openings among Fig. 3 b are circular, and are positioned at the varying level position with second opening 1141.In order to make natural convection smooth, in a preferred embodiment, the size of first opening 1121 and second opening 1141 needs 3 millimeters (to be that a diameter of circle or elliptical openings or one are at least 3 millimeters at least, perhaps, square or any polygonal opening has a size at least more than or equal to 3 millimeters).As shown in Figure 5, alleged size in the case of the present invention can for example be length a, width b or the arbitrary size of diagonal line c of square aperture 1121, if wherein one more than or equal to 3 millimeters.
The effect of invention is: by the setting of first opening and second opening, the heat that the backlight module lamp body is produced is dissipated to the outside of holding frame for luminous tube, temperature in the holding frame for luminous tube is reduced to below 50 ℃, can make liquid crystal keep normal physical characteristics thus, and keep certain image quality.
Though disclosed the present invention in conjunction with above preferred embodiment; yet it is not in order to limiting the present invention, anyly is familiar with this operator, without departing from the spirit and scope of the present invention; can do some change and retouching, so protection scope of the present invention should be with being as the criterion that claim was defined.
Claims (20)
1. a holding frame for luminous tube is applicable to and supports at least one fluorescent tube, comprising:
One sidewall has one first opening; And
One partition wall has one second opening and at least one fluorescent tube standing groove, and this partition wall is to be connected with a connection piece with this sidewall, and wherein this web member also is used to carry a blooming piece;
Wherein, this sidewall has at least one the 3rd opening that is used to dispel the heat corresponding to this at least one fluorescent tube standing groove, and the 3rd opening also holds the lead of the electrode part of this fluorescent tube.
2. holding frame for luminous tube as claimed in claim 1, wherein, this web member is a plate.
3. holding frame for luminous tube as claimed in claim 1, wherein, this first opening and this second opening are positioned at same horizontal level.
4. holding frame for luminous tube as claimed in claim 1, wherein, this first opening and this second opening are positioned at the varying level position.
5. holding frame for luminous tube as claimed in claim 1, wherein, this first opening has one more than or equal to 3 millimeters size.
6. holding frame for luminous tube as claimed in claim 1, wherein, this second opening has one more than or equal to 3 millimeters size.
7. holding frame for luminous tube as claimed in claim 1, wherein, this first opening is corresponding with second opening.
8. holding frame for luminous tube as claimed in claim 1, wherein, this first opening staggers mutually with second opening.
9. holding frame for luminous tube as claimed in claim 1 wherein, also comprises a support, is arranged between this sidewall and this partition wall.
10. backlight module comprises:
One base plate;
One holding frame for luminous tube is arranged on this base plate, and this holding frame for luminous tube comprises a sidewall, has one first opening; An and partition wall, have one second opening and at least one fluorescent tube standing groove, this partition wall is connected with a connection piece with this sidewall, wherein this web member or this partition wall also are used to carry a blooming piece, this sidewall has at least one the 3rd opening that is used to dispel the heat corresponding to this at least one fluorescent tube standing groove, and the 3rd opening also holds the lead of the electrode part of this fluorescent tube;
At least one lamp tube fixing seat; And
At least one fluorescent tube, an electrode tip of this fluorescent tube is arranged at this fluorescent tube standing groove by this lamp tube fixing seat.
11. backlight module as claimed in claim 10, it comprises that also a reflector plate is arranged between this base plate and this holding frame for luminous tube.
12. backlight module as claimed in claim 10, wherein, this web member is a plate.
13. backlight module as claimed in claim 10, wherein, this first opening and this second opening are positioned at same horizontal level.
14. backlight module as claimed in claim 10, wherein, this first opening and this second opening are positioned at the varying level position.
15. backlight module as claimed in claim 10, wherein, this first opening has one more than or equal to 3 millimeters size.
16. backlight module as claimed in claim 10, wherein, this second opening has one more than or equal to 3 millimeters size.
17. backlight module as claimed in claim 10, wherein, this first opening is corresponding with second opening.
18. backlight module as claimed in claim 10, wherein, this first opening staggers mutually with second opening.
19. backlight module as claimed in claim 10, wherein, this at least one fluorescent tube is a U type pipe.
20. backlight module as claimed in claim 10, wherein, this holding frame for luminous tube also comprises a support, is arranged between this sidewall and this partition wall.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2005100747805A CN100399147C (en) | 2005-06-03 | 2005-06-03 | Backlight module and its tube support |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2005100747805A CN100399147C (en) | 2005-06-03 | 2005-06-03 | Backlight module and its tube support |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1693965A CN1693965A (en) | 2005-11-09 |
| CN100399147C true CN100399147C (en) | 2008-07-02 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2005100747805A Active CN100399147C (en) | 2005-06-03 | 2005-06-03 | Backlight module and its tube support |
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| Country | Link |
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| CN (1) | CN100399147C (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2546911Y (en) * | 2002-04-10 | 2003-04-23 | 廖骏吉 | Negative phototropic cover radiating structure |
| US20040141322A1 (en) * | 2003-01-16 | 2004-07-22 | Liao Chun Chi | Backlight module with heat dissipation structure |
| CN1567065A (en) * | 2003-06-17 | 2005-01-19 | 友达光电股份有限公司 | Backlight source |
| US20050099806A1 (en) * | 2003-11-10 | 2005-05-12 | Yi-Shiuan Tsai | Direct type backlight module |
-
2005
- 2005-06-03 CN CNB2005100747805A patent/CN100399147C/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2546911Y (en) * | 2002-04-10 | 2003-04-23 | 廖骏吉 | Negative phototropic cover radiating structure |
| US20040141322A1 (en) * | 2003-01-16 | 2004-07-22 | Liao Chun Chi | Backlight module with heat dissipation structure |
| CN1567065A (en) * | 2003-06-17 | 2005-01-19 | 友达光电股份有限公司 | Backlight source |
| US20050099806A1 (en) * | 2003-11-10 | 2005-05-12 | Yi-Shiuan Tsai | Direct type backlight module |
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| Publication number | Publication date |
|---|---|
| CN1693965A (en) | 2005-11-09 |
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