CN204945573U - A kind of lamp bar and backlight module - Google Patents
A kind of lamp bar and backlight module Download PDFInfo
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- CN204945573U CN204945573U CN201520727168.2U CN201520727168U CN204945573U CN 204945573 U CN204945573 U CN 204945573U CN 201520727168 U CN201520727168 U CN 201520727168U CN 204945573 U CN204945573 U CN 204945573U
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- lamp bar
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Abstract
The utility model provides a kind of lamp bar and backlight module.Described lamp bar comprises: at least two sub-lamp bars, and electric connecting part, and wherein, described sub-lamp bar comprises substrate and at least one LED, and at least one LED described is fixedly installed on described substrate one side surface; Described electric connecting part respectively sub-lamp bar described with adjacent two is electrically connected.Sub-lamp bar is connected by electric connecting part by the utility model, achieves the adjustable design of LED quantity and spacing in lamp bar.
Description
Technical field
The utility model embodiment relates to technical field of liquid crystal display, particularly relates to a kind of lamp bar and backlight module.
Background technology
Backlight liquid crystal display mainly comprises display panels and backlight module two parts.Display panels itself is not luminous, needs the light source provided by backlight module to carry out normal show image, therefore, and one of backlight module key component becoming liquid crystal display.
Side entrance back module is the back light module unit structure of main flow instantly, as the LED (LightEmittingDiode of backlight, LED) lamp bar is located at the side of light guide plate in backlight module, the light that LED lamp bar sends enters light guide plate from the incidence surface of light guide plate side, from the injection of light guide plate exiting surface after reflection and refraction, then be supplied to display panels via multiple blooming piece with forming surface light source.Therefore, the light that LED sends directly affects the display characteristic of display, and its interval and luminous intensity all need suitably to adjust according to different demands.Fig. 1 is the structural representation of LED in prior art, as shown in Figure 1, this LED be by multiple LED 120 piece on substrate 110, circuit design is carried out at LED 120 interval according to designing, in the lamp bar made like this, the interval of each LED 120 and the length of LED lamp bar are all fixing, cannot change.
Utility model content
The utility model provides a kind of lamp bar, to realize the preparation of LED quantity and the adjustable LED lamp bar of its spacing.
First aspect, the utility model embodiment provides a kind of lamp bar, comprising: at least two sub-lamp bars, and electric connecting part, wherein,
Described sub-lamp bar comprises substrate and at least one LED, and at least one LED described is fixedly installed on the surface of described substrate;
Described electric connecting part respectively sub-lamp bar described with adjacent two is electrically connected.
Further, described sub-lamp bar comprises a LED, and a described LED is arranged on the centre position of described substrate.
Further, described sub-lamp bar comprises two or more LED, and described LED is disposed on described substrate.
Further, the end of described substrate arranges pad, for realizing the electrical connection of electric connecting part and sub-lamp bar.
Further, described electric connecting part comprises at least one circuit trace; Described at least one circuit trace is electrically connected with the pad of described base ends.
Further, described sub-lamp bar length is greater than the total length of LED and pad.
Further, described electric connecting part is flexible PCB.
Further, described electric connecting part is flexible flat cable.
Further, described electric connecting part is the plastic plate that surface is provided with electric connection line.
Second aspect, the utility model embodiment still provides a kind of backlight module, comprises light guide plate, and is arranged on the multiple blooming pieces on described light guide plate exiting surface, and the side of described light guide plate is provided with lamp bar as described in relation to the first aspect.
The technical scheme that the utility model provides, design comprises the sub-lamp bar of at least one LED, and by electric connecting part, described sub-lamp bar is carried out connecting to prepare LED lamp bar, by the quantity and the interval that regulate the length of electric connecting part and the number of sub-lamp bar can control LED in LED lamp bar, avoid the complicated processes of design iterations LED lamp bar substrate wiring under different application demand; Adopt the backlight module of above-mentioned LED lamp bar by the adjustment to LED lamp bar, realize the change of display effect easily.
Accompanying drawing explanation
Fig. 1 is the structural representation of LED lamp bar in prior art;
Fig. 2 a is the structural representation of the sub-lamp bar being arranged on centre position in the utility model embodiment one;
Fig. 2 b is the structural representation of the sub-lamp bar being arranged on two ends in the utility model embodiment one;
Fig. 3 is the structural representation of lamp bar in the utility model embodiment one;
Fig. 4 is the structural representation of backlight module in the utility model embodiment two.
Embodiment
For further setting forth the utility model for the technological means reaching predetermined utility model object and take and effect, below in conjunction with accompanying drawing and preferred embodiment, a kind of lamp bar the utility model proposes foundation and the embodiment of backlight module, structure, feature and effect thereof, be described in detail as follows.
Embodiment one
Fig. 2 a is the structural representation of the sub-lamp bar being arranged on centre position in the utility model embodiment one.As shown in Figure 2 a, the sub-lamp bar 210 being arranged on centre position comprises substrate 211, LED 212 and is arranged on the pad 213 of substrate 211 end, and LED 212 is one, is fixedly installed on the centre position of substrate 211 1 side surface.Pad 213 comprises two groups, is separately positioned on substrate 211 two ends, is arranged on the sub-lamp bar 210 in centre position and the electrical connection of electric connecting part for realizing.
Fig. 2 b is the structural representation of the sub-lamp bar being arranged on two ends in the utility model embodiment one.In actual connection, lamp bar two ends need not be connected with other electric connecting parts again, therefore, for saving material, the sub-lamp bar being arranged on two ends only arranges an assembly welding dish, and as shown in Figure 2 b, the sub-lamp bar 220 being arranged on two ends comprises substrate 211, LED 212 and an assembly welding dish 213.
Further, LED 212 quantity that the sub-lamp bar 210 being arranged on centre position and the sub-lamp bar 220 being arranged on two ends comprise can be multiple, and the position of LED 212 on substrate 211 is not limited to centre position, such as, can be the sub-lamp bar 210 being arranged on centre position or be arranged on the position of sub-lamp bar 220 near a certain end of two ends.
In the present embodiment, the length of the sub-lamp bar 210 being arranged on centre position and the sub-lamp bar 220 being arranged on two ends is all greater than the total length of LED 212 and pad 213, larger overlapping interval is reserved in the connection that can be follow-up electric connecting part and pad 213 like this, makes connection more firm.
The substrate 211 of each sub-lamp bar 210 being arranged on centre position or the sub-lamp bar 220 being arranged on two ends is provided with corresponding circuit, comprises functional circuitry and feed circuit.Functional circuitry can be protection circuit, mu balanced circuit or voltage regulator circuit; Feed circuit are used for after being connected with power supply, as the supply access of LED 212.
Fig. 3 is the structural representation of lamp bar in the utility model embodiment one.As shown in Figure 3, lamp bar comprises sub-lamp bar 210 and two electric connecting parts 230 that two sub-lamp bars 220, being arranged on two ends are arranged on centre position.Wherein, the sub-lamp bar 220 being arranged on two ends and the sub-lamp bar 210 being arranged on centre position include substrate 211 and a LED 212, and LED 212 is fixedly installed on substrate 211 1 side surface; Electric connecting part 230 respectively lamp bar with two is electrically connected.Further, in practical application, lamp bar can be arranged on the sub-lamp bar 220 of two ends by multiple sub-lamp bar 210, two being arranged on centre position according to design and multiple electric connecting part 230 forms.
The pad 213 of the sub-lamp bar 220 being arranged on two ends and the sub-lamp bar 210 being arranged on centre position is corresponding designs, and every assembly welding dish 213 all comprises the sub-pad of equal number, and each sub-pad spacer insulator is arranged.
Electric connecting part 230 is provided with connection cabling, its two ends connect feed circuit corresponding to adjacent sub-lamp bar respectively, thus the feed circuit obtaining lamp bar after ensureing connection are continuously available.Preferably, flexible PCB, flexible flat cable or surface is used to be provided with the plastic plate of electric connection line as electric connecting part 230.
In electric connecting part 230, the quantity of circuit trace regulates according to the quantity of feed circuit line in sub-lamp bar, comprises at least one, is electrically connected with the pad 213 of sub-lamp bar substrate 211 end.Circuit trace in electric connecting part 230 has carried out Parallel Design, its quantity is identical with sub-number of pads, when connecting, the two ends of every bar circuit trace are connected with the sub-pad correspondence in two that are connected sub-lamp bars respectively, to ensure that between the lamp bar after connecting be electric connection, and annexation is correct.Electric connecting part 230 adopts hot pressing to melt tin welding mode with the connection of lamp bar substrate 211, and adapt to for ease of the equipment relevant with this technology, the width of electric connecting part 230 is identical with the width of sub-lamp bar substrate 211.
The LED lamp bar that the present embodiment provides, be made up of at least two LED lamp bars and an electric connecting part, reach by regulating the length of electric connecting part and the number of sub-lamp bar, control the quantity of LED and the beneficial effect at interval in LED lamp bar, avoid the complicated processes according to the wiring of different application demand design iterations LED lamp bar substrates, improve work limitation.
Embodiment two
Fig. 4 is the structural representation of backlight module in the utility model embodiment two.As shown in Figure 4, the described backlight module optical diaphragm group 340 that comprises LED lamp bar 310 in embodiment one, backboard 320, light guide plate 330 and be arranged on catheter plate exiting surface.LED lamp bar 310 is arranged in backlight 320 internal side wall, LED is just to light guide plate 330 side, the light sent by LED is being injected from backlight module side, in light guide plate 330, carry out total reflection become more uniform light, then enter optical diaphragm group 340 from the exiting surface injection of light guide plate 330, then become uniform light from optical diaphragm group 340 injection.For different display requirements, the number of LED and spacing need to adjust, and such as, when needing large display brightness, the LED number of needs is many, because the total length of LED lamp bar 310 is constant, so the spacing of LED needs to reduce.For this situation, the LED lamp bar 310 in use the present embodiment is namely by reducing the length of each electric connecting part, and the number increasing sub-lamp bar realizes.
The backlight module that the present embodiment provides adopts lamp bar described in embodiment one, by the adjustment regulating LED lamp bar to realize display effect easily, avoids the complicated processes according to the wiring of different display demand design iterations LED lamp bar substrates.
The above, it is only preferred embodiment of the present utility model, not any pro forma restriction is done to the utility model, although the utility model discloses as above with preferred embodiment, but and be not used to limit the utility model, any those skilled in the art, do not departing within the scope of technical solutions of the utility model, 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 solutions of the utility model content, according to any simple modification that technical spirit of the present utility model is done above embodiment, equivalent variations and modification, all still belong in the scope of technical solutions of the utility model.
Claims (10)
1. a lamp bar, is characterized in that, comprising: at least two sub-lamp bars, and electric connecting part, wherein,
Described sub-lamp bar comprises substrate and at least one LED, and at least one LED described is fixedly installed on the surface of described substrate;
Described electric connecting part respectively sub-lamp bar described with adjacent two is electrically connected.
2. lamp bar according to claim 1, is characterized in that, described sub-lamp bar comprises a LED, and a described LED is arranged on the centre position of described substrate.
3. lamp bar according to claim 1, is characterized in that, described sub-lamp bar comprises two or more LED, and the setting at described LED interval on the substrate.
4. lamp bar according to claim 1, is characterized in that, the end of described substrate arranges pad, for realizing the electrical connection of electric connecting part and sub-lamp bar.
5. lamp bar according to claim 4, is characterized in that,
Described electric connecting part comprises at least one circuit trace;
Described at least one circuit trace is electrically connected with the pad of described base ends.
6. lamp bar according to claim 5, is characterized in that, described sub-lamp bar length is greater than the total length of described LED and described pad.
7., according to the arbitrary described lamp bar of claim 1-6, it is characterized in that, described electric connecting part is flexible PCB.
8., according to the arbitrary described lamp bar of claim 1-6, it is characterized in that, described electric connecting part is flexible flat cable.
9., according to the arbitrary described lamp bar of claim 1-6, it is characterized in that, described electric connecting part is the plastic plate that surface is provided with electric connection line.
10. a backlight module, is characterized in that, comprises light guide plate, and is arranged on the multiple blooming pieces on described light guide plate exiting surface, the side of described light guide plate be provided with as arbitrary in claim 1-9 as described in lamp bar.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520727168.2U CN204945573U (en) | 2015-09-18 | 2015-09-18 | A kind of lamp bar and backlight module |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520727168.2U CN204945573U (en) | 2015-09-18 | 2015-09-18 | A kind of lamp bar and backlight module |
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| Publication Number | Publication Date |
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| CN204945573U true CN204945573U (en) | 2016-01-06 |
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| CN201520727168.2U Active CN204945573U (en) | 2015-09-18 | 2015-09-18 | A kind of lamp bar and backlight module |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105785651A (en) * | 2016-05-18 | 2016-07-20 | 青岛海信电器股份有限公司 | Backlight module and curved-surface display equipment |
| CN106094337A (en) * | 2016-08-11 | 2016-11-09 | 昆山龙腾光电有限公司 | A kind of LED lamp bar and backlight module |
| CN109979339A (en) * | 2019-03-27 | 2019-07-05 | 深圳市恒利普智能显示有限公司 | Lamp bar and display screen |
| CN111237655A (en) * | 2020-01-23 | 2020-06-05 | 重庆慧库科技有限公司 | COB lamp panel manufacturing method and COB lamp panel |
-
2015
- 2015-09-18 CN CN201520727168.2U patent/CN204945573U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105785651A (en) * | 2016-05-18 | 2016-07-20 | 青岛海信电器股份有限公司 | Backlight module and curved-surface display equipment |
| CN105785651B (en) * | 2016-05-18 | 2019-05-03 | 青岛海信电器股份有限公司 | A kind of backlight group and curved-surface display equipment |
| CN106094337A (en) * | 2016-08-11 | 2016-11-09 | 昆山龙腾光电有限公司 | A kind of LED lamp bar and backlight module |
| CN109979339A (en) * | 2019-03-27 | 2019-07-05 | 深圳市恒利普智能显示有限公司 | Lamp bar and display screen |
| CN111237655A (en) * | 2020-01-23 | 2020-06-05 | 重庆慧库科技有限公司 | COB lamp panel manufacturing method and COB lamp panel |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
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. |
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| CP01 | Change in the name or title of a patent holder |