CN203478001U - Direct type LED (light emitting diode) backlight module - Google Patents
Direct type LED (light emitting diode) backlight module Download PDFInfo
- Publication number
- CN203478001U CN203478001U CN201320379041.7U CN201320379041U CN203478001U CN 203478001 U CN203478001 U CN 203478001U CN 201320379041 U CN201320379041 U CN 201320379041U CN 203478001 U CN203478001 U CN 203478001U
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- Prior art keywords
- backboard
- led
- perforate
- backlight module
- led lamp
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- 238000005266 casting Methods 0.000 claims description 7
- 239000002699 waste material Substances 0.000 abstract 1
- 230000033001 locomotion Effects 0.000 description 10
- 238000010586 diagram Methods 0.000 description 6
- 239000004973 liquid crystal related substance Substances 0.000 description 6
- 239000003292 glue Substances 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000005142 aphototropism Effects 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000005286 illumination Methods 0.000 description 1
- 230000009545 invasion Effects 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
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- Fastening Of Light Sources Or Lamp Holders (AREA)
- Planar Illumination Modules (AREA)
Abstract
The utility model provides a direct type LED (light emitting diode) backlight module, which comprises a back plate and an LED lamp bar fixing device, wherein the LED lamp bar fixing device is fixedly arranged on the back plate and comprises a base, an LED lamp bar and a plurality of LED lamps, the LED lamp bar is fixedly arranged on the base, the LED lamps are fixedly arranged on the LED lamp bar, the bottom of the back plate is upwards provided with at least one groove, each groove is provided with at least one opening hole, and the LED lamp bar fixing device is arranged in each groove through the bottom of the back plate. The backlight module has the advantage that the purpose of simply and quickly detaching and replacing light sources is realized, so the complicated working procedure is avoided, and the waste at working hour is avoided.
Description
Technical field
The utility model relates to a kind of liquid crystal display LED-backlit module.
Background technology
Liquid crystal indicator generally comprises backlight module and display panels.Because liquid crystal panel itself is not luminous, need to provide light source by backlight module, therefore, backlight module becomes one of key component of liquid crystal indicator.Different according to the position of illumination incident, backlight module is divided into down straight aphototropism mode set and side entrance back module.Because LED has energy-saving and environmental protection, the advantage such as frivolous and high-quality, the LED that adopt are placed in liquid crystal panel below as backlight more now.
As shown in Figure 1, the backlight module of prior art comprises glue frame 10, blooming piece 11, diffuser plate 12, reflector plate 13, LED lamp bar 14 and backboard 15.During backlight module assembling, first lamp source 14 is placed on backboard 15, reflector plate 13 covers on LED lamp bar substrate 14, sequentially places diffuser plate 12, blooming piece 11 and glue frame 10 and completes backlight module, finally puts panel and front frame and forms liquid crystal module.When if lamp source is damaged, need previous frame, panel, glue frame 10, diffuser plate 12, reflector plate 13 to pull down, this just inevitably damages these components and parts, and whole backlight module is dismantled in the mode of anti-operation to operation is complicated and work consuming is time-consuming.
Utility model content
The utility model provides a kind of direct-light type LED backlight module, and LED light bar fixing device can be installed in groove by backboard bottom, while changing lamp source, does not need to dismantle other materials of backlight module, reaches the object of rapid replacing light source.
The utility model is that the technical scheme that solves the problems of the technologies described above employing is to provide a kind of direct-light type LED backlight module, comprises a backboard; One LED light bar fixing device, is fixed on backboard, and this LED light bar fixing device comprises base, be fixed on LED lamp bar on base, be fixed on the some LED lamps on LED lamp bar; In described backboard bottom, at least one groove is upwards set, described groove is provided with at least one perforate, and LED light bar fixing device is positioned in described groove by backboard bottom; Described perforate is the lengthwise type extending along backboard long side direction, and at least one side of described perforate is provided with a buckle structure, and this buckle structure comprises to the vertical structure of the laterally extending platform of perforate and vertical back-panel long side direction; Base extends a projection along LED lamp bar bearing of trend at least one side, and LED light bar fixing device is slipped into and is fixed on backboard by perforate from backboard bottom, and casting lug thereon is on described platform, and casting lug thereon is against in vertical structure.
At least one side of described perforate is provided with one first projective structure, base extends one second projective structure along LED lamp bar bearing of trend at least one side, between the second projective structure and base, slide rail is set, LED light bar fixing device breaks away backboard by slide rail from backboard bottom, and the first projective structure of backboard is fixed in slide rail.Described groove extends along backboard long side direction, and described groove is provided with at least one perforate, each perforate and the corresponding setting one by one of LED lamp.
Between described backboard and LED light bar fixing device, be provided with fixed block, fixed block one end is against on backboard, and the other end is against on LED light bar fixing device.
Described groove extends along backboard short side direction, and described groove is provided with a plurality of perforates, each perforate and the corresponding setting one by one of LED lamp.Each groove is provided with two rows of openings, and every rows of openings has a plurality of, holds two LED light bar fixing devices in each groove, each perforate and the corresponding setting one by one of LED lamp.
Described groove is along the extension of backboard short side direction or be well word shape cross-distribution.
The utility model is by upwards arranging some grooves in backboard bottom, LED fixture is positioned in groove from backboard bottom, realize light source directly by outside assembly and disassembly backlight, can simply promptly dismantle the object that light source reaches replacing, avoided expending of complicated operation and man-hour.
Accompanying drawing explanation
Fig. 1 is the exploded view of direct-light type LED backlight module;
The schematic diagram of Fig. 2 and this motion of Fig. 3 embodiment mono-;
Fig. 4 is the present embodiment one profile;
Fig. 5 is this motion embodiment bis-schematic diagrames;
Fig. 6 is that the present embodiment two is with the base of sliding groove structure;
Fig. 7 is profile after the assembling of this motion embodiment LED lamp bar;
Fig. 8 and Fig. 9 are this motion embodiment tri-schematic diagrames;
Figure 10 is profile after this motion embodiment tri-assemblings;
Figure 11 A is set groove and perforate form one on backboard;
Figure 11 B is set groove and perforate form two on backboard;
Figure 11 C is set groove and perforate form three on backboard;
Figure 12 is this motion embodiment light source electric connecting mode;
Figure 13 is for stopping mode schematic diagram in electrical connection perforate envelope place;
The specific embodiment
Below in conjunction with the drawings and specific embodiments, further illustrate the present invention, should understand these embodiment is only not used in and limits the scope of the invention for the utility model is described, after having read the present invention, those skilled in the art all fall within the application's claims limited range to the modification of the various equivalent form of values of the present utility model.
The utility model provides a kind of direct-light type LED backlight module, comprises a backboard 15; One LED light bar fixing device, is fixed on backboard 15, and this LED light bar fixing device comprises base 16, be fixed on LED lamp bar 14 on base, be fixed on the some LED lamps on LED lamp bar.Backboard 15 bottoms upwards arrange some grooves 151, and groove 151 extends and arranges along backboard 15 long side directions, and LED light bar fixing device is positioned in groove 151 from backboard 15 bottoms, and the LED lamp of LED lamp bar 14 protrudes from backboard 15.
In the present embodiment one, each groove 151 is the perforate 152 along a lengthwise type of backboard 15 long side directions extensions, as shown in Figure 3, the opposite side at the two ends of perforate 152 is equipped with a buckle structure 153, buckle structure 153 is L-type, described buckle structure 153 is a sheet metal structural, itself and backboard 15 are one-body molded, it comprise to perforate 152 laterally extending and be parallel to the long platform 1531 on limit of backboard 15 and the vertical structures 1532 of vertical back-panel 15 long side directions, these vertical structure 1532 one end are connected in platform 1531, and vertically structure 1532 other ends are connected in backboard 15.
The opposite end of base 16 along LED lamp bar 14 bearing of trends to dual-side extends a casting lug thereon 17.
During installation, base 16 slips into the perforate 152 of backboard 15 by the space the buckle structure 153 of perforate 152 from backboard 15 bottoms, the casting lug thereon 17 of base 16 is placed on the platform 1531 of buckle structure 153, be against in vertical structure 1532 simultaneously, thereby restriction base 16 is along the movement of backboard 15 short side directions, as shown in Figure 3 and Figure 4.Figure 12 is this motion light source electric connecting mode.The perforate that when electrode cable sees through and to assemble base 16 on backboard 15, sidesway stays is connected to external power source plate, in backboard 15 outsides, completes electric connection.The above-mentioned perforate because of electrical connection use can be by flexible material fixed block 22 envelopes only, and fixed block 22 one end are against on backboard 15, and the other end is against on LED light bar fixing device, avoids the invasion of external dust, as shown in figure 13.
Fig. 5-7 are this motion embodiment bis-schematic diagrames, each groove 151 is the perforate 152 along a lengthwise type of backboard long side direction extension, the opposite side at the two ends of perforate 152 is equipped with one first projective structure 154, the opposite end of base 16 along LED lamp bar 14 bearing of trends to dual-side extends one second projective structure 18, between the second projective structure 18 and base 16, slide rail 19 is set, this slide rail 19 is positioned at the side of base 16, base 16 breaks away backboard 15 by slide rail 19 from backboard 15 bottoms, the first projective structure 154 of backboard 15 is fixed in slide rail 19, realize the quick installation of light source or unload.
Fig. 8-10 are embodiment tri-schematic diagrames of this motion, backboard 15 bottoms upwards arrange some grooves 20, groove 20 extends and arranges along backboard 15 long side directions, each groove 20 is along a plurality of round holes 201 are set on backboard 15 long side directions, round hole 201 positions and LED lamp corresponding setting one by one on LED lamp bar 14, base 16 is installed or is unloaded by backboard 15 outsides, and the fixed form of base 16 and back of the body version 15 adopts screw 21 to lock.
In addition, the groove that backboard 15 bottoms make progress can be along backboard 15 short side direction settings, and each groove is provided with a plurality of round holes, and each round hole position and LED lamp corresponding setting one by one on LED lamp bar 14, as Figure 11 A.The groove that backboard 15 bottoms make progress can be along the setting of backboard short side direction, each groove is provided with two row's round holes, and every rows of openings has a plurality of, holds two LED lamp bars 14 in each groove, round hole position and LED lamp corresponding setting one by one on LED lamp bar 14, as Figure 11 B.Backboard 15 bottoms are upwards provided with groove, and groove is groined type along backboard long side direction and short side direction and is crisscross arranged, and at infall, round hole is set, as Figure 11 C.
The utility model is by upwards arranging some grooves in backboard bottom, LED light bar fixing device is positioned in groove from backboard bottom, realize light source directly by outside assembly and disassembly backlight, can simply promptly dismantle the object that light source reaches replacing, avoided expending of complicated operation and man-hour.
Claims (9)
1. a direct-light type LED backlight module, comprises a backboard; One LED light bar fixing device, is fixed on backboard, and this LED light bar fixing device comprises base, be fixed on LED lamp bar on base, be fixed on the some LED lamps on LED lamp bar; It is characterized in that: in described backboard bottom, at least one groove is upwards set, described groove is provided with at least one perforate, and LED light bar fixing device is positioned in described groove by backboard bottom.
2. a kind of direct-light type LED backlight module according to claim 1, is characterized in that: the lengthwise type perforate of described perforate for extending along backboard long side direction.
3. a kind of direct-light type LED backlight module according to claim 2, is characterized in that: at least one side of described perforate is provided with a buckle structure, and this buckle structure comprises to the vertical structure of the laterally extending platform of perforate and vertical back-panel long side direction; Base extends a casting lug thereon along LED lamp bar bearing of trend at least one side, and LED light bar fixing device is slipped into and is fixed on backboard by perforate from backboard bottom, and casting lug thereon is on described platform, and casting lug thereon is against in vertical structure.
4. a kind of direct-light type LED backlight module according to claim 2, it is characterized in that: at least one side of described perforate is provided with one first projective structure, base extends one second projective structure along LED lamp bar bearing of trend at least one side, between the second projective structure and base, slide rail is set, LED light bar fixing device breaks away backboard by slide rail from backboard bottom, and the first projective structure of backboard is fixed in slide rail.
5. a kind of direct-light type LED backlight module according to claim 1, is characterized in that: described groove extends along backboard long side direction, and described groove is provided with a plurality of perforates, each perforate and the corresponding setting one by one of LED lamp.
6. according to the arbitrary described a kind of direct-light type LED backlight module of claim 1 to 5, it is characterized in that: between described backboard and LED light bar fixing device, be provided with fixed block, fixed block one end is against on backboard, and the other end is against on LED light bar fixing device.
7. a kind of direct-light type LED backlight module according to claim 1, is characterized in that: described groove extends along backboard short side direction, and described groove is provided with a plurality of perforates, each perforate and the corresponding setting one by one of LED lamp.
8. a kind of direct-light type LED backlight module according to claim 1, it is characterized in that: described groove extends along backboard short side direction, each groove is provided with two rows of openings, every rows of openings has a plurality of, in each groove, hold two LED light bar fixing devices, each perforate and the corresponding setting one by one of LED lamp.
9. a kind of direct-light type LED backlight module according to claim 1, is characterized in that: described groove is along the extension of backboard short side direction or be well word shape cross-distribution.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320379041.7U CN203478001U (en) | 2013-06-27 | 2013-06-27 | Direct type LED (light emitting diode) backlight module |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320379041.7U CN203478001U (en) | 2013-06-27 | 2013-06-27 | Direct type LED (light emitting diode) backlight module |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203478001U true CN203478001U (en) | 2014-03-12 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320379041.7U Expired - Fee Related CN203478001U (en) | 2013-06-27 | 2013-06-27 | Direct type LED (light emitting diode) backlight module |
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| CN (1) | CN203478001U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106526959A (en) * | 2015-09-10 | 2017-03-22 | 冠捷投资有限公司 | A backlight module with replaceable light source |
| CN108490688A (en) * | 2018-03-30 | 2018-09-04 | 惠州市华星光电技术有限公司 | Backlight module and liquid crystal display device |
| CN108957859A (en) * | 2018-08-14 | 2018-12-07 | 惠州市华星光电技术有限公司 | Backlight module and liquid crystal display |
| US10571741B2 (en) | 2018-03-30 | 2020-02-25 | Huizhou China Star Optoelectronics Technology Co., Ltd. | Backlight module and liquid crystal display |
-
2013
- 2013-06-27 CN CN201320379041.7U patent/CN203478001U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106526959A (en) * | 2015-09-10 | 2017-03-22 | 冠捷投资有限公司 | A backlight module with replaceable light source |
| CN108490688A (en) * | 2018-03-30 | 2018-09-04 | 惠州市华星光电技术有限公司 | Backlight module and liquid crystal display device |
| WO2019184216A1 (en) * | 2018-03-30 | 2019-10-03 | 惠州市华星光电技术有限公司 | Backlight module and liquid crystal display device |
| US10571741B2 (en) | 2018-03-30 | 2020-02-25 | Huizhou China Star Optoelectronics Technology Co., Ltd. | Backlight module and liquid crystal display |
| CN108957859A (en) * | 2018-08-14 | 2018-12-07 | 惠州市华星光电技术有限公司 | Backlight module and liquid crystal display |
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Legal Events
| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140312 |
|
| CX01 | Expiry of patent term | ||
| CU01 | Correction of utility model |
Correction item: Termination upon expiration of patent Correct: Revocation of Patent Expiration and Termination False: On July 14, 2023, the expiration and termination of 39 volumes and 2802 issues of the patent Number: 28-02 Volume: 39 |
|
| CU01 | Correction of utility model | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140312 |