CN202647466U - Backlight module - Google Patents
Backlight module Download PDFInfo
- Publication number
- CN202647466U CN202647466U CN 201220341669 CN201220341669U CN202647466U CN 202647466 U CN202647466 U CN 202647466U CN 201220341669 CN201220341669 CN 201220341669 CN 201220341669 U CN201220341669 U CN 201220341669U CN 202647466 U CN202647466 U CN 202647466U
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- China
- Prior art keywords
- chase
- backlight module
- circuit substrate
- opening
- emitting diode
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- Expired - Lifetime
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Abstract
The utility model discloses a backlight module. The backlight module comprises a circuit substrate and an iron frame, wherein at least one light emitting diode is arranged on the circuit substrate; the iron frame is provided with an opening and has a containing space; the light emitting diode is arranged in the containing space of the iron frame through the opening; and the circuit substrate is fixed on the surface of the iron frame. The backlight module disclosed by the utility model has the advantages that the fast replacement of the light emitting diode can be realized and simultaneously the damage to all parts of the backlight module in disassembling and re-assembling is also avoided.
Description
Technical field
The utility model relates to flat panel display, particularly a kind of backlight module.
Background technology
Backlight module is one of critical component of liquid crystal display, because liquid crystal itself is not luminous, the effect of backlight module mainly provides adequate brightness and the light source that is evenly distributed, normally show image.
Backlight module is classified with lamp strip position, can be divided into: side light type back light module, downward backlight module and hollow type backlight module.Wherein, the light emitting source of side light type back light module is the single light source that is placed on side.Side light type back light module uses in the liquid crystal display of small-medium size because of advantages such as its light weight, slim, narrow frame and low power consumptions more.
As shown in Figure 1, backlight module 100 is side light type back light modules, and it comprises chase 101, led light source 102, reflector plate 103, LGP 104, glue frame 105 and LCD screen 106.
Described chase 101 has side 107 and bottom surface 108.Described reflector plate 103 has reflection bottom face 109, mirrored sides 110 and the reflection end face 111 relative with reflection bottom face 109, and the area of described reflection end face 111 is less than the area of reflection bottom face 109, and an end of reflection end face 111 links to each other with described mirrored sides 110.Described reflector plate 103 places on the part surface of bottom surface 108, forms a space 112 between the mirrored sides 110 of described reflector plate 103 and the side 107 of chase 101.Described LED striation 102 places on the part surface of described reflector plate 103 near the reflection bottom face 109 of mirrored sides 110 1 sides, and LGP 104 is between described reflection bottom face 109 and reflection end face 111.Glue frame 106 has a cutting 113 and the plane 114 that is connected with described cutting 113, and described cutting 113 is positioned at space 112, and described plane 114 is positioned on the reflection end face 111 of described chase 102 sides 107 and reflector plate 103.Described LCD screen 106 is positioned on the LGP 104 of described glue frame 106 planes 114 1 sides.
For above-mentioned backlight module, if led light source wherein 102 needs to change because certain reason is damaged or certain defective occurred, after then needing LCD screen 106, glue frame 105, LGP 104 and various diaphragm all removed, led light source 102 could be taken out, then new led light source, LCD screen 106, glue frame 105, LGP 104 and various diaphragm are re-assemblied, just can finish the replacing to led light source.
In the above-mentioned Renewal process, need to dismantle and re-assembly all parts of backlight module, expend a large amount of manpowers.In addition, in the process of backlight module being dismantled and being recombinated, the various parts of backlight module also can occur because of dismounting and restructuring damaged, thus cause dismantling and the expense of recombinating further soaring.
And along with the variation of customer demand, the kind of liquid crystal display also begins a large amount of increases, and the demand of the kind of backlight module is also increased thereupon.Only because the client is different to the demand of brightness, just need exploitation different model backlight module, other accessories are all identical for the backlight module of above-mentioned different model, and difference only is the light emitting diode that has been equipped with different brightness.That is to say, as long as can be convenient for changing light emitting diode, just can reduce in a large number the model of backlight module.Yet, in conventional art, even only be that brightness requirement is different, also needing to lay in the backlight module of multiple different model, this is unfavorable for management and the warehousing management of production scene.
Therefore, be necessary to develop easily backlight module of a kind of replacing light source, the replacing light source is consuming time to solve, the problem of feed consumption.
The utility model content
The utility model provides a kind of backlight module, and the replacing light source is consuming time in order to solve, the problem of feed consumption.
For addressing the above problem, the utility model provides a kind of backlight module, comprising:
One circuit substrate;
At least one light emitting diode is arranged on the described circuit substrate;
One chase, described chase are provided with an opening and have a receiving space;
Wherein, described light emitting diode is inserted via described opening in the receiving space of described chase, and described circuit substrate is fixed on the surface of described chase.
Optionally, described chase has side and bottom surface.
Optionally, described opening is arranged on the bottom surface of described chase.
Optionally, described opening is arranged on the side of described chase.
Optionally, described backlight module comprises that also one has the glue frame of side and end face, the end face of described glue frame is relative with the bottom surface of described chase, the side of described glue frame places between the side of described receiving space and described chase, and the side of described glue frame arranges another opening to connect the opening of described chase.
Optionally, described backlight module comprises that also one has the glue frame of side and end face, the end face of described glue frame is relative with the bottom surface of described chase, the side of described glue frame places between the side of described receiving space and described chase, the side bottom of described glue frame is near one side of described opening, and the another side of described opening is near the bottom surface of described chase.
Optionally, described circuit substrate is screwed the outer surface in described chase.
Optionally, described circuit substrate is fixed by snap in the outer surface of described chase.
Optionally, described circuit substrate is by the outer surface of sticking double faced adhesive tape in described chase.
Optionally, described backlight module also comprises:
Place in the described receiving space and be positioned at the LGP of described light emitting diode one side;
Place in the described receiving space and be positioned at the reflector plate of described light emitting diode one side, described reflector plate is between described LGP and described chase bottom surface.
Optionally, also comprise and be arranged on the described circuit substrate and be positioned at reflectance coating around the described Light-Emitting Diode.
In backlight module of the present utility model, by be provided with an opening at chase, chase has a receiving space simultaneously, light emitting diode can be inserted in the receiving space of described chase via described opening, and by circuit substrate light emitting diode is fixed on the surface of described chase.Because the existence of above-mentioned opening, allow freely to change light emitting diode in the situation that do not dismantle chase, glue frame, LGP and various diaphragm.Therefore, adopt backlight module of the present utility model, can realize the quick-replaceable light emitting diode, also avoided dismounting and restructuring to the damage of the various parts of backlight module simultaneously, realized the purpose of avoiding simultaneously the additive decrementation of material quick-replaceable.
Description of drawings
Fig. 1 is the structural representation of traditional backlight module;
Fig. 2 is the cross-sectional view of the backlight module of the utility model embodiment one;
Fig. 3 is the top view of the backlight module of the utility model embodiment one;
Fig. 4 is the circuit substrate of the utility model embodiment one backlight module and the top view of light emitting diode;
Fig. 5 is the cross-sectional view of the backlight module of the utility model embodiment two.
The specific embodiment
Core concept of the present utility model is, chase in the backlight module in the utility model is provided with an opening and has a receiving space, light emitting diode is inserted in the receiving space of described chase via described opening, and by circuit substrate light emitting diode is fixed on the surface of described chase.The existence of above-mentioned opening allows freely to change light emitting diode in the situation that do not dismantle chase, glue frame, LGP, LCD screen and various diaphragm.With this, can the quick-replaceable light emitting diode, also avoided dismounting and restructuring to the damage of the various parts of backlight module, at quick-replaceable additive decrementation of avoiding simultaneously material simultaneously.
In order to make the purpose of this utility model, technical scheme and advantage are clearer, further elaborate below in conjunction with accompanying drawing.
Embodiment one
As shown in Figure 2, the backlight module 200 among the embodiment one of the present utility model comprises: a circuit substrate 201, at least one light emitting diode 202 and a chase 203.Described light emitting diode 202 is arranged on the described circuit substrate 201, and described chase 203 is provided with an opening 204 and has a receiving space 205.Wherein, described light emitting diode 202 is inserted in the receiving space of described chase 203 via described opening 204, and described circuit substrate 201 is fixed on the surface of described chase 203.Described chase 203 has side 206 and bottom surface 207, and described opening 204 is arranged on the bottom surface 207 of described chase 203.
Continuation is with reference to figure 2, described backlight module 200 also comprises and places in the described receiving space 205 and be positioned at the LGP 208 of described light emitting diode 202 1 sides and place described receiving space 205 and be positioned at the reflector plate 209 of described light emitting diode one side, and described reflector plate 209 is between described LGP 208 and described chase bottom surface 207.
For circuit substrate 201 being fixed in the outer surface of chase 203, can at the two ends of circuit substrate 201 sticking two-faced adhesive tape, circuit substrate 201 be fixed in the outer surface of chase 203.For the stability that guarantees to fix, also can make the mode that is screwed.As shown in Figure 3, described circuit substrate 201 is fixed in the outer surface of described chase 203 by screw 210.In order to make the more flexible facility of operation that circuit substrate 201 is fixed in the outer surface of chase 203, also can described circuit substrate 201 be fixed in by bayonet socket the outer surface of described chase 203.
As shown in Figure 4, in order further to improve the light extraction efficiency of backlight module 200, can also reflectance coating 211 be set on the surface of Light-Emitting Diode 202 circuit substrate 201 on every side.
Embodiment two
As shown in Figure 5, the backlight module in the present embodiment 300 comprises: a circuit substrate 301, at least one light emitting diode 302 and a chase 303.Described light emitting diode 302 is arranged on the described circuit substrate 301, and described chase 303 is provided with an opening 304 and has a receiving space 305.Wherein, described light emitting diode 302 is inserted in the receiving space of described chase 303 via described opening 304, and described circuit substrate 301 is fixed on the surface of described chase 303.Described chase 303 has side 306 and bottom surface 307, and described opening 304 is arranged on the side 306 of described chase 303.
Described backlight module 300 comprises that also one has the glue frame 310 of side and end face, the end face of described glue frame 310 is relative with the bottom surface 307 of described chase 303, the side of described glue frame 310 places between the side 306 of described receiving space 305 and described chase 303, and the side of described glue frame 310 arranges another opening 311 to be communicated with the opening 304 of described chase.
Need to prove, because the side of glue frame 310 is divided into two parts by another opening 311, therefore place the part side of the glue frame 310 on chase 303 bottom surfaces 307 very little to the contribution of backlight module 300 stability.In other embodiment of the present utility model, in order further to reduce the cost of glue frame, also can remove the part side of the glue frame that places on the chase bottom surface, namely the side bottom of described glue frame is near one side of described opening, and the another side of opening is directly towards the bottom surface of described chase.
In sum, by be provided with an opening at chase, the while chase also has a receiving space, light emitting diode can be inserted in the receiving space of described chase via described opening, and by circuit substrate light emitting diode is fixed on the surface of described chase.Because the existence of above-mentioned opening, allow freely to change light emitting diode in the situation that do not dismantle chase, glue frame, LGP, LCD screen and various diaphragm.Therefore, adopt backlight module of the present utility model, can realize the quick-replaceable light emitting diode, also avoided dismounting and restructuring to the damage of the various parts of backlight module simultaneously, thereby reached the purpose of having avoided simultaneously the additive decrementation of material quick-replaceable.
Obviously, those skilled in the art can carry out various changes and modification to utility model and not break away from spirit and scope of the present utility model.Like this, if of the present utility model these revise and modification belongs within the scope of the utility model claim and equivalent technologies thereof, then the utility model also is intended to comprise these change and modification.
Claims (11)
1. backlight module comprises:
One circuit substrate;
At least one light emitting diode is arranged on the described circuit substrate;
One chase, described chase are provided with an opening and have a receiving space;
Wherein, described light emitting diode is inserted via described opening in the receiving space of described chase, and described circuit substrate is fixed on the surface of described chase.
2. backlight module as claimed in claim 1 is characterized in that, described chase has side and bottom surface.
3. backlight module as claimed in claim 2 is characterized in that, described opening is arranged on the bottom surface of described chase.
4. backlight module as claimed in claim 2 is characterized in that, described opening is arranged on the side of described chase.
5. backlight module as claimed in claim 4, it is characterized in that, described backlight module comprises that also one has the glue frame of side and end face, the end face of described glue frame is relative with the bottom surface of described chase, the side of described glue frame places between the side of described receiving space and described chase, and the side of described glue frame arranges another opening to connect the opening of described chase.
6. backlight module as claimed in claim 4, it is characterized in that, described backlight module comprises that also one has the glue frame of side and end face, the end face of described glue frame is relative with the bottom surface of described chase, the side of described glue frame places between the side of described receiving space and described chase, the side bottom of described glue frame is near one side of described opening, and the another side of described opening is near the bottom surface of described chase.
7. backlight module as claimed in claim 1 is characterized in that, described circuit substrate is screwed the outer surface in described chase.
8. backlight module as claimed in claim 1 is characterized in that, described circuit substrate is fixed by snap in the outer surface of described chase.
9. backlight module as claimed in claim 1 is characterized in that, described circuit substrate is by the outer surface of sticking double faced adhesive tape in described chase.
10. backlight module as claimed in claim 1 is characterized in that, described backlight module also comprises:
Place in the described receiving space and be positioned at the LGP of described light emitting diode one side;
Place in the described receiving space and be positioned at the reflector plate of described light emitting diode one side, described reflector plate is between described LGP and described chase bottom surface.
11. backlight module as claimed in claim 1 is characterized in that, also comprises being arranged on the described circuit substrate and being positioned at reflectance coating around the described Light-Emitting Diode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220341669 CN202647466U (en) | 2012-07-13 | 2012-07-13 | Backlight module |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220341669 CN202647466U (en) | 2012-07-13 | 2012-07-13 | Backlight module |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202647466U true CN202647466U (en) | 2013-01-02 |
Family
ID=47416567
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220341669 Expired - Lifetime CN202647466U (en) | 2012-07-13 | 2012-07-13 | Backlight module |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202647466U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103162247A (en) * | 2013-03-11 | 2013-06-19 | 深圳市华星光电技术有限公司 | Light emitting diode (LED) light bar buckling structure of backlight module and liquid crystal display device comprising backlight module |
-
2012
- 2012-07-13 CN CN 201220341669 patent/CN202647466U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103162247A (en) * | 2013-03-11 | 2013-06-19 | 深圳市华星光电技术有限公司 | Light emitting diode (LED) light bar buckling structure of backlight module and liquid crystal display device comprising backlight module |
| CN103162247B (en) * | 2013-03-11 | 2014-10-15 | 深圳市华星光电技术有限公司 | Light emitting diode (LED) light bar buckling structure of backlight module and liquid crystal display device comprising 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: 20130102 |