CN203880505U - LED light bar, backlight module group, and display device - Google Patents
LED light bar, backlight module group, and display device Download PDFInfo
- Publication number
- CN203880505U CN203880505U CN201420078247.0U CN201420078247U CN203880505U CN 203880505 U CN203880505 U CN 203880505U CN 201420078247 U CN201420078247 U CN 201420078247U CN 203880505 U CN203880505 U CN 203880505U
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- Prior art keywords
- edge strip
- conduction edge
- led lamp
- luminescence unit
- circuit board
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Abstract
The utility model relates to an LED light bar, a backlight module group, and a display device. The LED light bar comprises a plurality of light-emitting units which are connected together through a conductive edge bar. Gaps are reserved between the light-emitting units. The backlight module group comprises a light source and a substrate which is used for carrying the light source. The light source is the above LED light bar. The display device comprises the backlight module group. According to the utility model, the gaps are reserved between the light-emitting units, thereby saving MPCBs between original light-emitting units, and greatly saving the cost of production. The backlight module group and the display are respectively provided with the LED light bar, so the cost of production is greatly reduced.
Description
Technical field
The utility model relates to a kind of light-emitting device, particularly relates to a kind of LED lamp bar, backlight module and display unit.
Background technology
Liquid crystal display (1iquid crystal display, LCD) be a kind of flat-panel screens being widely used at present, because the liquid crystal in panel of LCD itself is not had a characteristics of luminescence, therefore for reaching display effect, need backlight module to provide brightness fully and the area source being evenly distributed to panel of LCD.The light emitting diode of multiplex small volume in prior art (LED unit) is made into LED lamp bar, and this LED lamp bar, as the light source of backlight module, to reduce backlight module thickness, and then reduces the thickness of display.
In common down straight aphototropism mode set LED lamp used bar, by multilayer printed circuit board (MPCB), connect a plurality of LED unit, MPCB between LED unit and LED unit is wasted, and MPCB cost is higher, the cost of MPCB can account for whole LED lamp bar (LED unit B ar) the more than 70% of cost (take 32 cun as example) in general, and it is unfavorable thus saving production cost to be brought.
Utility model content
The purpose of this utility model is to provide a kind of LED lamp bar, backlight module and display unit significantly saving production cost.
LED lamp bar of the present utility model, comprises a plurality of luminescence units, and a plurality of described luminescence units link together by conduction edge strip, between described luminescence unit, leave space.
LED lamp bar of the present utility model, wherein, the multilayer circuit board that described luminescence unit comprises LED unit and is arranged at the bottom of described LED unit, the multilayer circuit board of a plurality of described luminescence units links together by described conduction edge strip, between the multilayer circuit board of described luminescence unit and the multilayer circuit board of adjacent luminescence unit, leaves space.
LED lamp bar of the present utility model, wherein, described conduction edge strip comprises the first conduction edge strip and the second conduction edge strip be arrangeding in parallel with described the first conduction edge strip, the multilayer circuit board of a plurality of described luminescence units is arranged between the first conduction edge strip, the second conduction edge strip, and described the first conduction edge strip, described the second conduction edge strip are connected with the multilayer circuit board of each luminescence unit respectively.
LED lamp bar of the present utility model, wherein, described in each, on the multilayer circuit board of luminescence unit, be connected with respectively the first connecting band and the second connecting band, the external part of each the first connecting band, the external part of each the second connecting band is connected with respectively the collar, the collar described in each on the first connecting band of the multilayer circuit board of luminescence unit is placed on described the first conduction edge strip, the collar described in each on the second connecting band of the multilayer circuit board of luminescence unit is placed on described the second conduction edge strip, with this described in each the multilayer circuit board of luminescence unit and described first conduction edge strip, described the second conduction edge strip connects respectively.
LED lamp bar of the present utility model, wherein, described in each, the first electrode of the LED unit of luminescence unit is all connected on first connecting band of multilayer circuit board of described luminescence unit, described in each, the second electrode of the LED unit of luminescence unit is all connected on second connecting band of multilayer circuit board of described luminescence unit, with this, described in each, the first electrode of the LED unit of luminescence unit is connected with described the first conduction edge strip, and described in each, the second electrode of the LED unit of luminescence unit is connected with described the second conduction edge strip.
LED lamp bar of the present utility model, wherein, on described the first conduction edge strip, be provided with a plurality of circumferential hoops around the first groove of described the first conduction edge strip, described the first groove matches with the collar on described the first connecting band, on described the second conduction edge strip, be provided with a plurality of circumferential hoops around the second groove of described the second conduction edge strip, described the second groove matches with the collar on described the second connecting band.
Backlight module of the present utility model, comprises light source and for carrying the substrate of described light source, described light source is LED lamp bar of the present utility model.
Backlight module of the present utility model, wherein, on described substrate, be provided with the installation groove coordinating with described LED lamp bar, described in each of described LED lamp bar, the multilayer circuit board of luminescence unit is fixed on the diapire of described installation groove, and the described conduction edge strip of described LED lamp bar is fixed on the sidewall of described installation groove.
Backlight module of the present utility model, wherein, comprises a plurality of described LED lamp bars, and a plurality of LED lamp bars are parallel on described substrate, and the conduction edge strip of a plurality of LED lamp bars links together by wire.
Display unit of the present utility model, comprises backlight module of the present utility model.
LED lamp bar of the present utility model, leaves space between luminescence unit, the MPCB between original like this luminescence unit can save, and saves production cost greatly thus.
Backlight module of the present utility model and display unit, because LED lamp bar of the present utility model has been installed, its production cost significantly reduces.
Accompanying drawing explanation
Fig. 1 is in backlight module of the present utility model, is positioned over the structural representation of the LED lamp bar of the present utility model on substrate;
Fig. 2 is the A-A cutaway view of Fig. 1, shows the structure of LED lamp bar of the present utility model.
The specific embodiment
Below in conjunction with the drawings and specific embodiments, the utility model is described in further detail, so that those skilled in the art can better understand the utility model being implemented, but illustrated embodiment is not as to restriction of the present utility model.
As depicted in figs. 1 and 2, LED lamp bar 10 of the present utility model, comprises a plurality of luminescence units 1, and a plurality of luminescence units 1 link together by conduction edge strip 2, between luminescence unit 1, leave space.
LED lamp bar 10 of the present utility model, wherein, the multilayer circuit board 12 that luminescence unit 1 comprises LED unit 11 and is arranged at the bottom of LED unit 11, the multilayer circuit board 12 of a plurality of luminescence units 1 links together by conduction edge strip 2, between the multilayer circuit board 12 of luminescence unit 1 and the multilayer circuit board 12 of adjacent luminescence unit 1, leaves space.
LED lamp bar 10 of the present utility model, leaves space between luminescence unit 1, and the MPCB between original like this luminescence unit 1 can save, and saves production cost greatly thus.For the LED lamp bar on 32 cun of displays, be example, the in the situation that of equivalent amount LED, can save the consumption of MPCB70%-80%.
LED lamp bar 10 of the present utility model, wherein, conduction edge strip 2 can be metal or graphite material.
LED lamp bar 10 of the present utility model, wherein, conduction edge strip 2 comprises the first conduction edge strip 21 and the second conduction edge strip 22 be arrangeding in parallel with the first conduction edge strip 21, and the multilayer circuit board 12 of a plurality of luminescence units 1 is arranged between the first conduction edge strip 21, the second conduction edge strip 22.The first conduction edge strip 21, the second conduction edge strip 22 are connected with the multilayer circuit board 12 of each luminescence unit 1 respectively.
LED lamp bar 10 of the present utility model, wherein, the first conduction edge strip 21, the second conduction edge strip 22 can with multilayer circuit board 12 clampings of each luminescence unit 1 or bonding.This design can be fixed on luminescence unit 1 between the first conduction edge strip 21, the second conduction edge strip 22, and luminescence unit 1 can not be moved left and right, and is conducive to provide the light source of stable uniform.
LED lamp bar 10 of the present utility model, wherein, on the multilayer circuit board 12 of each luminescence unit 1, be connected with respectively the first connecting band 61 and the second connecting band 62, the external part of each the first connecting band 61, the external part of each the second connecting band 62 is connected with respectively the collar 65, the collar 65 on the first connecting band 61 of the multilayer circuit board 12 of each luminescence unit 1 is placed on the first conduction edge strip 21, the collar 65 on the second connecting band 62 of the multilayer circuit board 12 of each luminescence unit 1 is placed on the second conduction edge strip 22, multilayer circuit board 12 and the first conduction edge strip 21 with this each luminescence unit 1, the second conduction edge strip 22 connects respectively.
The first connecting band 61, the second connecting band 62, the collar 65 are metal material.
LED lamp bar 10 of the present utility model, wherein, the first electrode 31 of the LED unit 11 of each luminescence unit 1 is all connected on the first conduction edge strip 21, and the second electrode 32 of the LED unit 11 of each luminescence unit 1 is all connected on the second conduction edge strip 22.
LED lamp bar 10 of the present utility model, wherein, the first electrode 31 of the LED unit 11 of each luminescence unit 1 is all connected on first connecting band 61 of multilayer circuit board 12 of luminescence unit 1, the second electrode 32 of the LED unit 11 of each luminescence unit 1 is all connected on second connecting band 62 of multilayer circuit board 12 of luminescence unit 1, the first electrode 31 and the first conduction edge strip 21 with the LED unit 11 of this each luminescence unit 1 are connected, and the second electrode 32 of the LED unit 11 of each luminescence unit 1 and second conducts electricity edge strip 22 and is connected.
LED lamp bar 10 of the present utility model, wherein, on the first conduction edge strip 21, be provided with a plurality of circumferential hoops around the first groove 71 of the first conduction edge strip 21, the first groove 71 matches with the collar 65 on the first connecting band 61, on the second conduction edge strip 22, being provided with a plurality of circumferential hoops matches with the collar 65 on the second connecting band 62 around the second groove 72, the second grooves 72 of the second conduction edge strip 22.
LED lamp bar of the present utility model, by coordinating of conduction edge strip upper groove and the collar on connecting band, realization conduction edge strip is connected with electrode, groove is to the effect of collar limited location simultaneously, the position of each luminescence unit is fixed like this, prevent it and relatively moved or play because impact, so that affect the light effect that of backlight module.
LED lamp bar 10 of the present utility model, wherein, power supply can, to a plurality of luminescence unit 1 power supplies, make luminescence unit 1 luminous by the first conduction edge strip 21 and the second conduction edge strip 22.
Backlight module of the present utility model, comprises light source and for carrying the substrate 30 of light source, above-mentioned light source is LED lamp bar 10 of the present utility model.LED lamp bar 10 provides illumination for backlight module.
Backlight module of the present utility model, wherein, LED lamp bar 10 is connected on described substrate by double-sided tape.
Backlight module of the present utility model, wherein, on substrate 30, be provided with the installation groove 5 coordinating with LED lamp bar 10, double-sided tape comprises the first double-sided tape 41, and the multilayer circuit board 12 of each luminescence unit 1 of LED lamp bar 10 is fixed on the diapire 51 that groove 5 is installed by the first double-sided tape 41.
Backlight module of the present utility model, wherein, double-sided tape also comprises the second double-sided tape 42, the conduction edge strip 2 of LED lamp bar 10 is fixed on the sidewall 52 that groove 5 is installed by the second double-sided tape 42.
Backlight module of the present utility model is by the snap-in structure of the installation groove on above double-sided tape and substrate, make the fixation of LED lamp bar, difficult drop-off, with loosening, can keep stability and the homogeneity of light source, greatly strengthens the intensity of backlight module of the present utility model.
Backlight module of the present utility model, wherein, comprises a plurality of LED lamp bars 10, and a plurality of LED lamp bars 10 are parallel on substrate 30, and the conduction edge strip 2 of a plurality of LED lamp bars 10 links together by wire 40.
Display unit of the present utility model, comprises the utility model backlight module.
Described display unit can be: any product or parts with Presentation Function such as liquid crystal panel, Electronic Paper, LCD TV, liquid crystal display, DPF, mobile phone, panel computer.
The above is only preferred embodiment of the present utility model; it should be pointed out that for those skilled in the art, do not departing under the prerequisite of the utility model principle; can also make some improvements and modifications, these improvements and modifications also should be considered as protection domain of the present utility model.
Claims (9)
1. a LED lamp bar, it is characterized in that, comprise a plurality of luminescence units, a plurality of described luminescence units link together by conduction edge strip, between described luminescence unit, leave space, the multilayer circuit board that described luminescence unit comprises LED unit and is arranged at the bottom of described LED unit, the multilayer circuit board of a plurality of described luminescence units links together by described conduction edge strip, between the multilayer circuit board of described luminescence unit and the multilayer circuit board of adjacent luminescence unit, leaves space.
2. LED lamp bar according to claim 1, it is characterized in that, described conduction edge strip comprises the first conduction edge strip and the second conduction edge strip be arrangeding in parallel with described the first conduction edge strip, the multilayer circuit board of a plurality of described luminescence units is arranged between the first conduction edge strip, the second conduction edge strip, and described the first conduction edge strip, described the second conduction edge strip are connected with the multilayer circuit board of each luminescence unit respectively.
3. LED lamp bar according to claim 2, it is characterized in that, described in each, on the multilayer circuit board of luminescence unit, be connected with respectively the first connecting band and the second connecting band, the external part of each the first connecting band, the external part of each the second connecting band is connected with respectively the collar, the collar described in each on the first connecting band of the multilayer circuit board of luminescence unit is placed on described the first conduction edge strip, the collar described in each on the second connecting band of the multilayer circuit board of luminescence unit is placed on described the second conduction edge strip, with this described in each the multilayer circuit board of luminescence unit and described first conduction edge strip, described the second conduction edge strip connects respectively.
4. LED lamp bar according to claim 3, it is characterized in that, described in each, the first electrode of the LED unit of luminescence unit is all connected on first connecting band of multilayer circuit board of described luminescence unit, described in each, the second electrode of the LED unit of luminescence unit is all connected on second connecting band of multilayer circuit board of described luminescence unit, with this, described in each, the first electrode of the LED unit of luminescence unit is connected with described the first conduction edge strip, and described in each, the second electrode of the LED unit of luminescence unit is connected with described the second conduction edge strip.
5. LED lamp bar according to claim 3, it is characterized in that, on described the first conduction edge strip, be provided with a plurality of circumferential hoops around the first groove of described the first conduction edge strip, described the first groove matches with the collar on described the first connecting band, on described the second conduction edge strip, be provided with a plurality of circumferential hoops around the second groove of described the second conduction edge strip, described the second groove matches with the collar on described the second connecting band.
6. a backlight module, comprises light source and for carrying the substrate of described light source, it is characterized in that, described light source is the LED lamp bar as described in claim 1-5 any one.
7. backlight module according to claim 6, it is characterized in that, on described substrate, be provided with the installation groove coordinating with described LED lamp bar, described in each of described LED lamp bar, the multilayer circuit board of luminescence unit is fixed on the diapire of described installation groove, and the described conduction edge strip of described LED lamp bar is fixed on the sidewall of described installation groove.
8. backlight module according to claim 6, is characterized in that, comprises a plurality of described LED lamp bars, and a plurality of LED lamp bars are parallel on described substrate, and the conduction edge strip of a plurality of LED lamp bars links together by wire.
9. a display unit, is characterized in that, comprises the backlight module as described in claim 6-8 any one.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420078247.0U CN203880505U (en) | 2014-02-24 | 2014-02-24 | LED light bar, backlight module group, and display device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420078247.0U CN203880505U (en) | 2014-02-24 | 2014-02-24 | LED light bar, backlight module group, and display device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203880505U true CN203880505U (en) | 2014-10-15 |
Family
ID=51680997
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420078247.0U Expired - Fee Related CN203880505U (en) | 2014-02-24 | 2014-02-24 | LED light bar, backlight module group, and display device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203880505U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104566042A (en) * | 2015-01-23 | 2015-04-29 | 京东方科技集团股份有限公司 | Light bar structure, backlight module and display device |
| CN110045541A (en) * | 2019-03-28 | 2019-07-23 | 武汉华星光电技术有限公司 | Backing structure, liquid crystal display panel and electronic equipment |
| TWI723921B (en) * | 2020-07-17 | 2021-04-01 | 聯嘉光電股份有限公司 | Surface light source led device |
| WO2021147000A1 (en) * | 2020-01-22 | 2021-07-29 | 京东方科技集团股份有限公司 | Light-emitting substrate and display device |
| CN115727294A (en) * | 2023-01-10 | 2023-03-03 | 东北农业大学 | LED lighting module |
-
2014
- 2014-02-24 CN CN201420078247.0U patent/CN203880505U/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104566042A (en) * | 2015-01-23 | 2015-04-29 | 京东方科技集团股份有限公司 | Light bar structure, backlight module and display device |
| CN110045541A (en) * | 2019-03-28 | 2019-07-23 | 武汉华星光电技术有限公司 | Backing structure, liquid crystal display panel and electronic equipment |
| CN110045541B (en) * | 2019-03-28 | 2021-02-26 | 武汉华星光电技术有限公司 | Backlight structure, liquid crystal display panel and electronic equipment |
| US11320698B2 (en) | 2019-03-28 | 2022-05-03 | Wuhan China Star Optoelectronics Technology Co., Ltd. | Backlight structure, liquid crystal display panel and electronic device |
| WO2021147000A1 (en) * | 2020-01-22 | 2021-07-29 | 京东方科技集团股份有限公司 | Light-emitting substrate and display device |
| TWI723921B (en) * | 2020-07-17 | 2021-04-01 | 聯嘉光電股份有限公司 | Surface light source led device |
| CN115727294A (en) * | 2023-01-10 | 2023-03-03 | 东北农业大学 | LED lighting module |
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Legal Events
| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20141015 |
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| CF01 | Termination of patent right due to non-payment of annual fee |