CN103162194B - Backlight module - Google Patents
Backlight module Download PDFInfo
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- CN103162194B CN103162194B CN201310101158.3A CN201310101158A CN103162194B CN 103162194 B CN103162194 B CN 103162194B CN 201310101158 A CN201310101158 A CN 201310101158A CN 103162194 B CN103162194 B CN 103162194B
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Abstract
The present invention relates to a kind of backlight module, comprise framework, light guide plate, light-emitting section and light-emitting section fixture, described light guide plate is located in described framework, side in described framework is provided with described light-emitting section, the accommodation space for accommodating described light-emitting section is formed between the side being provided with described light-emitting section of described backlight module in described framework and described light guide plate, the light-emitting section fixture that the end that described backlight module is also included in the side being provided with described light-emitting section in described framework is provided with, described light-emitting section fixture inserts in described accommodation space by the end of the side being provided with described light-emitting section in described framework, and fasten with described light-emitting section and described framework respectively, described light-emitting section is fixed in described accommodation space.In the present invention, by described light-emitting section fixture, light-emitting section is fastened in described accommodation space, the replacing of light-emitting section can be carried out when without the need to removing whole backlight module, simplifying the replacing flow process of light-emitting section, improve replacing efficiency.
Description
Technical field
The present invention relates to field of liquid crystal display, especially a kind of backlight module of liquid crystal display.
Background technology
Figure 1 shows that the cross-sectional schematic of existing a kind of display device.As shown in Figure 1, existing display device 100 comprises backlight module 110 and is located at the display panel 120 on backlight module 110.Wherein, backlight module 110 comprises backboard 111, glue frame 112, front frame 113, light guide plate 114, light-emitting section 115 and at least one blooming piece 116.Backboard 111 is positioned at the bottom of backlight module 110, light guide plate 114 is located at the top of backboard 111, blooming piece 116 is located at the below of display panel 120, and the side of backboard 111 is provided with light-emitting section 115, and is fixed on one of them sidewall of backboard 111 by light-emitting section 115 by double faced adhesive tape 117.Glue frame 112 is covered in backboard 111 and light guide plate 114, and is located between light guide plate 114 and a support portion 112a of glue frame 112 by blooming piece 116.Display panel 120 is located on the support portion 112a of glue frame 112, and front frame 113 is covered on display panel 120 and glue frame 112, and is located between the support portion 112a of glue frame 112 and front frame 113 by display panel 120.
Need when the display device 100 shown in Fig. 1 is assembled first to utilize double faced adhesive tape to be fixed on one of them sidewall of backboard 111 by light-emitting section 115, again light guide plate 114 and blooming piece 116 are assembled on backboard 111, then glue frame 112 is fixed on backboard 111, then display panel 120 is assembled on glue frame 112 again, finally front frame 113 is fixed on glue frame 112, thus realizes the assembling of whole display device 100.
But, in above-mentioned existing display device 100, with double faced adhesive tape, light-emitting section 115 is fixed on the sidewall of backboard 111, so, after having assembled, light-emitting section 115 is just enclosed in backlight module 110, when light-emitting section 115 is because damaging or long-time use and hydraulic performance decline needs backlight module 110 to be taken apart the replacing can carrying out light-emitting section 115 when changing, and then backlight module 110 is recombinated, this brings inconvenience to the replacing of light-emitting section 115.
Summary of the invention
In view of above-mentioned condition, be necessary to provide a kind of backlight module being convenient for changing light-emitting section.
For achieving the above object, technical scheme provided by the invention is as follows:
The invention provides a kind of backlight module, comprise framework, light guide plate and light-emitting section, described light guide plate is located in described framework, side in described framework is provided with described light-emitting section, the accommodation space for accommodating described light-emitting section is formed between the side being provided with described light-emitting section of described backlight module in described framework and described light guide plate, it is characterized in that: the light-emitting section fixture that the end that described backlight module is also included in the side being provided with described light-emitting section in described framework is provided with, described light-emitting section fixture inserts in described accommodation space by the end of the side being provided with described light-emitting section in described framework, and fasten with described light-emitting section and described framework respectively described light-emitting section is fixed in described accommodation space, and the described framework of described backlight module is provided with opening in the end of the side being provided with described light-emitting section, described light-emitting section fixture inserts described accommodation space by described opening, described light-emitting section is fixed in described accommodation space, after described light-emitting section fixture inserts described accommodation space by described opening, described opening closed by described light-emitting section fixture, when removing the buckle between described light-emitting section fixture and described framework, described light-emitting section fixture can be pulled described light-emitting section fixture and described light-emitting section to be pulled out by described framework.
Further, one of them is provided with projection to be provided with the sidewall of the side of the described light-emitting section sidewall relative with sidewall described in framework with described light-emitting section fixture in described framework, and the described sidewall of described light-emitting section fixture is provided with groove with wherein another corresponding described projection of the described sidewall of described framework.
Further, the sidewall being provided with projection or groove of described light-emitting section fixture and the sidewall being provided with groove or projection of described framework fasten, and another sidewall perpendicular with the sidewall arranging groove or projection of described light-emitting section fixture and the sidewall being provided with opening of described framework lean.
Further, described light-emitting section comprises substrate, is located at the light-emitting component on substrate and is located at the flexible PCB of substrate one end.
Further, described light-emitting section also comprises lampshade, and described lampshade forms an Access Division in one end of described substrate, and described light-emitting section fixture is provided with the draw-in groove of accommodating described Access Division.
Further, the substrate of described light-emitting section is hard circuit board, and described light-emitting section also comprises the connector connecting hard circuit board and flexible PCB, described light-emitting section fixture is also provided with the accepting groove of accommodating described connector.
Further, the bottom of described light-emitting section fixture be also provided with flexible PCB can be made to pass wear groove.
Further, described light-emitting section fixture comprises base plate, the first side plate, the second side plate, the first baffle plate, second baffle and third gear plate, described first baffle plate is located at above described base plate, the top of described first baffle plate is located at by described second baffle and third gear plate, and described second baffle is between described third gear plate and described first side plate, described groove of wearing is formed between base plate and the first baffle plate, described draw-in groove is formed at the first side plate, between the second side plate and second baffle, described accepting groove is formed at described second baffle, between third gear plate and the second side plate.
Further, described second baffle and third gear plate are all in " L " type, described second baffle comprises the first limit and Second Edge, described third gear plate comprises the 3rd limit and the 4th limit, first limit of described second baffle is connected with the first side plate and perpendicular to the first side plate, the Second Edge of described second baffle is parallel to the first side plate, and with the second side sheet room at a certain distance, 3rd limit of described third gear plate is connected with the Second Edge of second baffle, and be parallel to the second side plate, the 4th limit of described third gear plate perpendicular to the second side plate and with the second side sheet room at a certain distance.
In backlight module of the present invention, described light-emitting section and light-emitting section fixture insert in described accommodation space by one end of framework, and light-emitting section is fixed in framework by the mode of buckle by light-emitting section fixture, backlight module of the present invention is made to need the buckle only need removed when changing between light-emitting section fixture and framework in light-emitting section damage or hydraulic performance decline, light-emitting section fixture and light-emitting section are pulled out by framework, and by light-emitting section fixture being pulled down light-emitting section and can carry out the replacing of light-emitting section, and without the need to dismantling whole backlight module, simplify the replacing flow process of light-emitting section, improve replacing efficiency.
Accompanying drawing explanation
Figure 1 shows that the cross-sectional schematic of existing a kind of backlight module.
Figure 2 shows that the perspective view of the backboard of a kind of backlight module of the present invention towards light guide plate one side.
Figure 3 shows that the enlarged schematic partial view of the circle III in Fig. 2.
Figure 4 shows that the schematic perspective view of another angle of light-emitting section fixture in Fig. 3.
Figure 5 shows that light-emitting section and light-emitting section fixture unassembled time schematic diagram.
Fig. 6 is to the fixation procedure schematic diagram that Figure 8 shows that light-emitting section and light-emitting section fixture.
Embodiment
For further setting forth the present invention for the technological means reaching predetermined goal of the invention and take and effect, below in conjunction with accompanying drawing and preferred embodiment, to the specific embodiment of the present invention, structure, feature and effect thereof, be described in detail as follows.
Figure 2 shows that the perspective view of the backboard of a kind of backlight module of the present invention towards light guide plate one side.As shown in Figure 2, backlight module 200 of the present invention comprises framework 210, light-emitting section 220, light-emitting section fixture 230 and light guide plate (not shown).
Wherein, light guide plate is located in framework 210, can arrange the blooming pieces such as diffusion barrier on the upside of it, and downside can arrange reflector plate, to increase the light guide effect of light guide plate.Side in framework 210 is provided with light-emitting section 220, is formed with the accommodation space (not shown) for accommodating light-emitting section 220 between the side being provided with light-emitting section 220 of backlight module 200 in framework 210 and light guide plate.The end that the corresponding accommodation space of framework 210 is being provided with light-emitting section 220 side is provided with opening (not shown), light-emitting section fixture 230 inserts in accommodation space by the opening of the end of described framework 210, and fasten with one end of light-emitting section 220 and framework 210 respectively, light-emitting section 220 is fixed in described accommodation space.
Figure 3 shows that the enlarged schematic partial view of the circle III in Fig. 2.Specifically, the fixed form between light-emitting section fixture 230 and framework 210 as shown in Figure 3.The sidewall being provided with the side of light-emitting section 220 in framework 210 is provided with groove 212, the sidewall of light-emitting section fixture 230 is provided with the projection 233a corresponding with groove 212, is provided with the sidewall of the side of light-emitting section 220 toward each other in the sidewall of described light-emitting section fixture 230 and described framework 210.Understandable, in other embodiments of the invention, the position of projection 233a and groove 212 can exchange, and namely projection 233a is located on the sidewall of framework 210, and groove 212 is then located on the sidewall of light-emitting section fixture 230.In the present embodiment, after light-emitting section fixture 230 and light-emitting section 220 are together inserted into the precalculated position of the accommodation space of framework 210 through the opening 211 of framework 210, light-emitting section fixture 230 is by projection 233a that its sidewall is arranged and the engaging between the groove 212 that framework 210 sidewall is arranged, the sidewall being provided with groove 212 of the sidewall and framework 210 that make light-emitting section fixture 230 be provided with projection 233a is fixed together, the sidewall that light-emitting section fixture 230 sidewall perpendicular with the sidewall being provided with projection 233a is then provided with opening 211 with framework 210 leans, thus light-emitting section fixture 230 and light-emitting section 220 are fixed in the accommodation space of formation between light guide plate and framework 210.
Figure 4 shows that the schematic perspective view of another angle of light-emitting section fixture in Fig. 3.As shown in Figure 4, light-emitting section fixture 230 comprises base plate 231, first side plate 232, second side plate 233, first baffle plate 234, second baffle 235 and third gear plate 236.Wherein, the first side plate 232 and the second side plate 233 are mutually vertical and all perpendicular to base plate 231.The top of base plate 231 is located at by first baffle plate 234, second baffle 235 and third gear plate 236.First baffle plate 234 is extended along the direction being parallel to base plate 231 by the bottom of the inside surface of the first side plate 232.Between first baffle plate 234 and base plate 231, there is a gap, and the width of the first baffle plate 234 is less than the width of base plate 231, between the first baffle plate 234 and base plate 231, forms one wear groove 237.Second baffle 235 and third gear plate 236 are upwards extended along the direction perpendicular to the first baffle plate 234 by the first baffle plate 234 upper surface.Second baffle 235 and third gear plate 236 are all in " L " type, and second baffle 235 is between the first side plate 232 and third gear plate 236.Second baffle 235 comprises the first limit 235a and Second Edge 235b, and third gear plate 236 comprises the 3rd limit 236a and the 4th limit 236b.First limit 235a of second baffle 235 perpendicular to the first side plate 232, and is connected with the first side plate 232.The Second Edge 235b of second baffle 235 is parallel to the first side plate 232, and keeps at a certain distance away with the second side plate 233.A draw-in groove 238 is formed between the first side plate 232, second side plate 233 and second baffle 235.3rd limit 236a of third gear plate 236 is connected with the Second Edge 235b of second baffle 235, and the 3rd limit 236a of third gear plate 236 is parallel to the second side plate 233.4th limit 236b of third gear plate 236 is perpendicular to the second side plate 233 and keep at a certain distance away with the second side plate 233, preferably, the edge of the 4th limit 236b of third gear plate 236 just with the corresponding edge of the first baffle plate 234 point-blank.Second baffle 235, between third gear plate 236 and the second side plate 233, form an accepting groove 239.
Figure 5 shows that light-emitting section and light-emitting section fixture unassembled time schematic diagram.As shown in Figure 5, light-emitting section 220 comprises light-emitting component 221, substrate 222, flexible PCB 223, lampshade 224 and connector 225.Wherein, light-emitting component 221 is some light emitting diodes be uniformly distributed on substrate 222, but is not limited thereto.The substrate 222 of light-emitting section 220 is hard circuit board; flexible PCB 223 is located at one end of substrate 222; some pins by being arranged side by side in connector 225 between itself and substrate 222 are electrical connected (not shown); further, this light-emitting section fixture 230 can protect the connector 225 of connection substrate 222 and flexible PCB 223.Lampshade 224 comprises sticking part 224a, be located at the reflecting part 224b of sticking part 224a side and be located at the Access Division 224c of sticking part 224a one end.Wherein, the substrate 222 of sticking part 224a and light-emitting section 220 fits together.Reflecting part 224b protrudes out to forward below light-emitting component 221, for the light that Refl-Luminous element 221 sends by the side of sticking part 224a perpendicular to sticking part 224a.Access Division 224c is protruded out forward perpendicular to sticking part 224a by one end of sticking part 224a, for fastening with light-emitting section fixture 230.
What light-emitting section fixture 230 was formed between the first baffle plate 234 and base plate 231 wear groove 237 can make flexible PCB 223 pass.The draw-in groove 238 that light-emitting section fixture 230 is formed between the first side plate 232, second side plate 233 and second baffle 235 is for accommodating the Access Division 224c of light-emitting section 220.The length of draw-in groove 238 slightly larger than or equal the length of Access Division 224c of light-emitting section 220 and the difference of the thickness of substrate 222, and the width of draw-in groove 238 slightly larger than or equal the width of Access Division 224c of light-emitting section 220, rock in draw-in groove 238 to prevent Access Division 224c when the Access Division 224c of light-emitting section 220 snaps in draw-in groove 238.Light-emitting section fixture 230 at second baffle 235, the accepting groove 239 that formed between third gear plate 236 and the second side plate 233 for accommodating the connector 225 of light-emitting section 220.The length of accepting groove 239 slightly larger than or equal the length of connector 225, and the width of accepting groove 239 slightly larger than or equal the width of connector 225, rock in accepting groove 239 to prevent connector 225 when connector 225 snaps in accepting groove 239.
Fig. 6 is to the fixation procedure schematic diagram that Figure 8 shows that light-emitting section and light-emitting section fixture.As shown in Fig. 6 to Fig. 8 and Fig. 3, when utilizing light-emitting section fixture 230 to fix light-emitting section 220, first, the flexible PCB 223 of light-emitting section 220 is converted into L-type, make it pass and wear groove 237 bottom light-emitting section fixture 230, then, light-emitting section 220 is inserted in light-emitting section fixture 230, in the draw-in groove 238 making the Access Division 224c of light-emitting section 220 and connector 225 insert light-emitting section fixture 230 respectively and accepting groove 239, pull out flexible PCB 223 to make flexible PCB 223 be positioned at the part of wearing groove 237 to be stretched flat simultaneously, then, light-emitting section 220 and light-emitting section fixture 230 are inserted in the accommodation space of framework 210 from the opening 211 of framework 210, make the groove 212 phase buckle of the projection 233a set by sidewall of light-emitting section fixture 230 and framework 210 sidewall, and the sidewall perpendicular with the sidewall being provided with projection 233a of light-emitting section fixture 230 and the sidewall being provided with opening 211 of framework 210 are leant, thus by means of light-emitting section fixture 230, light-emitting section 220 is fixed in framework 210.
In backlight module 200 of the present invention, light-emitting section 220 and light-emitting section fixture 230 insert in framework 210 by opening 211 set on framework 210, and light-emitting section 220 is fixed in framework 210 by the mode of buckle by light-emitting section fixture 230, backlight module 200 of the present invention is damaged or hydraulic performance decline and need only need remove when changing buckle between light-emitting section fixture 230 and framework 210 at light-emitting section 220, light-emitting section fixture 230 and light-emitting section 220 are pulled out by framework 210, and by light-emitting section fixture 230 being pulled down light-emitting section 220 and can carry out the replacing of light-emitting section 220, and without the need to dismantling whole backlight module 200, simplify the replacing flow process of light-emitting section 220, improve replacing efficiency.
The above, it is only preferred embodiment of the present invention, not any pro forma restriction is done to the present invention, although the present invention discloses as above with preferred embodiment, but and be not used to limit the present invention, any those skilled in the art, do not departing within the scope of technical solution of the present invention, make a little change when the technology contents of above-mentioned announcement can be utilized or be modified to the Equivalent embodiments of equivalent variations, in every case be do not depart from technical solution of the present invention content, according to any simple modification that technical spirit of the present invention is done above embodiment, equivalent variations and modification, all still belong in the scope of technical solution of the present invention.
Claims (9)
1. a backlight module, comprise framework, light guide plate and light-emitting section, described light guide plate is located in described framework, side in described framework is provided with described light-emitting section, the accommodation space for accommodating described light-emitting section is formed between the side being provided with described light-emitting section of described backlight module in described framework and described light guide plate, it is characterized in that: the light-emitting section fixture that the end that described backlight module is also included in the side being provided with described light-emitting section in described framework is provided with, described light-emitting section fixture inserts in described accommodation space by the end of the side being provided with described light-emitting section in described framework, and fasten with described light-emitting section and described framework respectively described light-emitting section is fixed in described accommodation space, and described framework is provided with opening in the end of the side being provided with described light-emitting section, described light-emitting section fixture inserts described accommodation space by described opening, described light-emitting section is fixed in described accommodation space, after described light-emitting section fixture inserts described accommodation space by described opening, described opening closed by described light-emitting section fixture, when removing the buckle between described light-emitting section fixture and described framework, described light-emitting section fixture can be pulled described light-emitting section fixture and described light-emitting section to be pulled out by described framework.
2. backlight module as claimed in claim 1, it is characterized in that: one of them is provided with projection to be provided with the sidewall of the side of the described light-emitting section sidewall relative with sidewall described in framework with described light-emitting section fixture in described framework, and the described sidewall of described light-emitting section fixture is provided with groove with wherein another corresponding described projection of the described sidewall of described framework.
3. backlight module as claimed in claim 2, it is characterized in that: the sidewall being provided with projection or groove of described light-emitting section fixture and the sidewall being provided with groove or projection of described framework fasten, another sidewall perpendicular with the sidewall arranging groove or projection of described light-emitting section fixture and the sidewall being provided with opening of described framework lean.
4. backlight module as claimed in claim 1, is characterized in that: described light-emitting section comprises substrate, be located at the light-emitting component on substrate and be located at the flexible PCB of substrate one end.
5. backlight module as claimed in claim 4, it is characterized in that: described light-emitting section also comprises lampshade, described lampshade forms an Access Division in one end of described substrate, and described light-emitting section fixture is provided with the draw-in groove of accommodating described Access Division.
6. backlight module as claimed in claim 5, it is characterized in that: the substrate of described light-emitting section is hard circuit board, described light-emitting section also comprises the connector connecting hard circuit board and flexible PCB, described light-emitting section fixture is also provided with the accepting groove of accommodating described connector.
7. backlight module as claimed in claim 6, is characterized in that: the bottom of described light-emitting section fixture be also provided with flexible PCB can be made to pass wear groove.
8. backlight module as claimed in claim 7, it is characterized in that: described light-emitting section fixture comprises base plate, first side plate, second side plate, first baffle plate, second baffle and third gear plate, described first baffle plate is located at above described base plate, the top of described first baffle plate is located at by described second baffle and third gear plate, and described second baffle is between described third gear plate and described first side plate, described groove of wearing is formed between base plate and the first baffle plate, described draw-in groove is formed at the first side plate, between second side plate and second baffle, described accepting groove is formed at described second baffle, between third gear plate and the second side plate.
9. backlight module as claimed in claim 8, it is characterized in that: described second baffle and third gear plate are all in " L " type, described second baffle comprises the first limit and Second Edge, described third gear plate comprises the 3rd limit and the 4th limit, first limit of described second baffle is connected with the first side plate and perpendicular to the first side plate, the Second Edge of described second baffle is parallel to the first side plate, and with the second side sheet room at a certain distance, 3rd limit of described third gear plate is connected with the Second Edge of second baffle, and be parallel to the second side plate, 4th limit of described third gear plate perpendicular to the second side plate and with the second side sheet room at a certain distance.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310101158.3A CN103162194B (en) | 2013-03-27 | 2013-03-27 | Backlight module |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310101158.3A CN103162194B (en) | 2013-03-27 | 2013-03-27 | Backlight module |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103162194A CN103162194A (en) | 2013-06-19 |
| CN103162194B true CN103162194B (en) | 2015-12-23 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310101158.3A Active CN103162194B (en) | 2013-03-27 | 2013-03-27 | Backlight module |
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| Country | Link |
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| CN (1) | CN103162194B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105511162A (en) | 2016-01-25 | 2016-04-20 | 高创(苏州)电子有限公司 | Backlight module and assembly method thereof and display device |
| CN107505755A (en) * | 2017-09-21 | 2017-12-22 | 深圳创维－Rgb电子有限公司 | A kind of Rimless liquid crystal module |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1630794A (en) * | 2002-02-12 | 2005-06-22 | 松下电器产业株式会社 | Lighting device, and liquid crystal display device using the same |
| CN101059623A (en) * | 2006-04-20 | 2007-10-24 | 三菱电机株式会社 | Planar light source device |
| CN101416101A (en) * | 2006-04-10 | 2009-04-22 | 夏普株式会社 | Liquid crystal display |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4813861B2 (en) * | 2005-09-28 | 2011-11-09 | ゲットナー・ファンデーション・エルエルシー | LCD module |
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2013
- 2013-03-27 CN CN201310101158.3A patent/CN103162194B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1630794A (en) * | 2002-02-12 | 2005-06-22 | 松下电器产业株式会社 | Lighting device, and liquid crystal display device using the same |
| CN101416101A (en) * | 2006-04-10 | 2009-04-22 | 夏普株式会社 | Liquid crystal display |
| CN101059623A (en) * | 2006-04-20 | 2007-10-24 | 三菱电机株式会社 | Planar light source device |
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| CN103162194A (en) | 2013-06-19 |
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Address after: 215301, 1, Longteng Road, Kunshan, Jiangsu, Suzhou Patentee after: Kunshan Longteng Au Optronics Co Address before: 215301, 1, Longteng Road, Kunshan, Jiangsu, Suzhou Patentee before: Kunshan Longteng Optronics Co., Ltd. |