CN205880450U - LED lamp strip and backlight unit - Google Patents
LED lamp strip and backlight unit Download PDFInfo
- Publication number
- CN205880450U CN205880450U CN201620790235.XU CN201620790235U CN205880450U CN 205880450 U CN205880450 U CN 205880450U CN 201620790235 U CN201620790235 U CN 201620790235U CN 205880450 U CN205880450 U CN 205880450U
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- CN
- China
- Prior art keywords
- led lamp
- lamp bar
- led
- substrate
- backlight module
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Abstract
The utility model discloses a LED lamp strip and backlight unit, wherein backlight unit includes the backplate and sets up the LED lamp strip of the internal surface of backplate, LED lamp strip is including being the base plate of strip setting and locating a plurality of LED lamps on the base plate, it is a plurality of the LED lamp is followed the length direction of base plate goes up the interval and arranges, and follows the width direction of base plate is two rows of intervals and arranges, and two rows the LED lamp is crisscross the setting. Backlight unit can use less quantity LED lamp strip.
Description
Technical field
This utility model relates to field of display devices, particularly to a kind of LED lamp bar and backlight module.
Background technology
Liquid crystal indicator has that fuselage is thin, power saving, the many merits such as radiationless, be therefore widely used.Liquid crystal display
Being provided with backlight module in device, this backlight module includes backboard and the LED lamp bar being located on backboard, and described LED lamp bar is
Liquid crystal indicator provides light source, makes the normal show image of liquid crystal indicator, and therefore, LED lamp bar becomes liquid crystal indicator
In one of key component.
The LED lamp bar that backlight module in the market is used, its LED is typically linearly type and is arranged in described
In LED lamp bar, if it is desired that described liquid crystal indicator has the most subjective picture, then need to set on the backboard of backlight module
Put a plurality of LED lamp bar, thus increase the cost of liquid crystal indicator.If by the skill of the LED lamp bar that current backlight module is arranged
Art scheme, installs less LED lamp bar on backlight module, and described LED lamp bar can be caused in the irradiated region of liquid crystal indicator
There is ash blanking bar in territory so that the subjective picture of described liquid crystal indicator is excessively poor.
Utility model content
Main purpose of the present utility model is to propose a kind of LED lamp bar, it is intended to make backlight module use small number of institute
State LED lamp bar, also can reach the effect making the subjective picture of liquid crystal indicator occur without ash blanking bar.
For arriving above-mentioned technical purpose, this utility model provides a kind of LED lamp bar, in backlight module, described LED
Substrate that lamp bar includes strip and the multiple LED being located on described substrate, multiple described LED are along the length of described substrate
Degree is intervally arranged on direction, and is two-row spacing arrangement along the width of described substrate, and LED described in two rows sets in staggered
Put.
Preferably, two adjacent described LED, the distance on the width of described substrate is less than or equal to 20mm.
Preferably, described LED is covered with refraction type lens.
Preferably, described refraction type lens are that semiellipse shape is arranged, the long axis direction of described refraction type lens and described base
The width of plate keeps consistent.
Preferably, described LED is covered with reflective lens.
This utility model also provides for a kind of backlight module, and described backlight module includes backboard, and is arranged on described backboard
The LED lamp bar of inner surface, the quantity of described LED lamp bar is at least one, and described LED lamp bar includes the base arranged in strip
Plate and the multiple LED being located on described substrate, multiple described LED are intervally arranged along the length direction of described substrate,
And be two-row spacing arrangement along the width of described substrate, and LED described in two rows is in being crisscross arranged.
Preferably, the quantity of described LED lamp bar is one.
Preferably, described backboard includes plate-shaped back plate main body and the side plate extended forward from described back plate main body,
The inner surface of described backboard is equipped with the reflector plate being positioned on described back plate main body and described side plate.
Preferably, described LED lamp bar is arranged at the central area of described back plate main body, and the length direction of described substrate with
The length direction of described backboard is parallel.
Technical solutions of the utility model are by described LED lamp bar, by multiple described LED along the length of described substrate
Be intervally arranged on direction, and adjacent two described LED along the width of described substrate in staggered, thus expand
The irradiation area of described LED lamp bar, thus backlight module can use small number of described LED lamp bar, also can make liquid crystal
Showing device has the most subjective picture.
Accompanying drawing explanation
In order to be illustrated more clearly that this utility model embodiment or technical scheme of the prior art, below will be to embodiment
Or the required accompanying drawing used is briefly described in description of the prior art, it should be apparent that, the accompanying drawing in describing below is only
It is embodiments more of the present utility model, for those of ordinary skill in the art, in the premise not paying creative work
Under, it is also possible to other accompanying drawing is obtained according to the structure shown in these accompanying drawings.
The structural representation of one embodiment of the LED lamp bar that Fig. 1 provides for this utility model, LED is covered with refraction
Formula lens；
Fig. 2 is the sectional structure schematic diagram of the LED lamp bar in Fig. 1；
The structural representation of another embodiment of the LED lamp bar that Fig. 3 provides for this utility model, LED is covered with anti-
Penetrate formula lens；
The structural representation of one embodiment of the backlight module that Fig. 4 provides for this utility model；
Fig. 5 is the sectional view along I-I of the backlight module of Fig. 4.
This utility model drawing reference numeral illustrates:
| Label | Title | Label | Title |
| 100 | LED lamp bar | 200 | Backlight module |
| 110 | Substrate | 210 | Backboard |
| 120 | Refraction type lens | 211 | Back plate main body |
| 130 | Reflective lens | 212 | Side plate |
The realization of this utility model purpose, functional characteristics and advantage will in conjunction with the embodiments, are described further referring to the drawings.
Detailed description of the invention
Below in conjunction with the accompanying drawing in this utility model embodiment, the technical scheme in this utility model embodiment is carried out
Clearly and completely describe, it is clear that described embodiment is only a part of embodiment of the present utility model rather than all
Embodiment.Based on the embodiment in this utility model, those of ordinary skill in the art are not making creative work premise
Lower obtained every other embodiment, broadly falls into the scope of this utility model protection.
It is to be appreciated that if this utility model embodiment relates to directivity instruction (such as upper and lower, left and right, front,
After ...), then directionality instruction is only used for explaining relative between each parts under a certain particular pose (as shown in drawings)
Position relationship, motion conditions etc., if this particular pose changes, then directionality instruction changes the most therewith.
If it addition, this utility model embodiment relates to the description of " first ", " second " etc., then should " first ", " the
Two " description etc. is only used for describing purpose, and it is not intended that instruction or imply its relative importance or implicit indicate indication
The quantity of the technical characteristic shown.Thus, define " first ", the feature of " second " can be expressed or implicitly include at least one
Individual this feature.It addition, the technical scheme between each embodiment can be combined with each other, but must be with ordinary skill
Based on personnel are capable of, when technical scheme combination occur conflicting maybe cannot realize time will be understood that this technical side
The combination of case does not exists, the most not within the protection domain that this utility model requires.
This utility model provides a kind of LED lamp bar, by expanding the range of exposures of described LED lamp bar, to reduce liquid crystal
Showing device uses the quantity of described LED lamp bar.
Fig. 1 is the structural representation of an embodiment of LED lamp bar of the present utility model, LED is covered with refraction type saturating
Mirror.
Referring to Fig. 1, LED lamp bar 100 of the present utility model, described LED lamp bar 100 includes the substrate arranged in strip
110, and the multiple LED (not shown) being located on described substrate 110, multiple described LED are along the length of described substrate 110
It is intervally arranged on direction, and is two-row spacing arrangement along the width of described substrate 110, and LED described in two rows is in staggered
Arrange.
Technical solutions of the utility model are by described LED lamp bar 100, by multiple described LED along described substrate 110
Length direction on be intervally arranged, and be two-row spacing arrangement along the width of described substrate 110, and LED described in two rows
In being crisscross arranged, thus expand the irradiation area of described LED lamp bar 100, thus backlight module can use small number of
Described LED lamp bar 100, also can make liquid crystal indicator have the most subjective picture.
In the present embodiment, by the plurality of LED on described substrate 110 along described substrate 110 width in
Two-row spacing is arranged, and this two rows LED is distributed in the both sides of the centrage on the length direction of described substrate 110, and with in this
The distance of heart line is equal, so that the irradiation area of the circumference of described LED lamp bar 100 is uniformly distributed.
The plurality of LED staggering distance on the width of described substrate 110 is unsuitable excessive, if excessive, then with
Arrange multiple described LED lamp bar 100 to be as good as, cost does not has advantage, therefore, for reducing the cost of described LED lamp bar 100,
The optimum range of distance D on the width of described substrate 110 of the LED described in any two is D≤20mm, as D's
Minima only need to be the most permissible more than 0, as long as will expand irradiation area more than 0.
As a rule, in order to expand the range of exposures of described LED lamp bar 100, described LED is covered with lens, described
Lens are in order to dissipate the light that LED penetrates, so that the range of exposures of light is wider, described lens can be refraction type lens
It can also be reflective lens.
Incorporated by reference to Fig. 1 and Fig. 2, in the first embodiment of LED lamp bar 100 of the present utility model, described LED lamp bar 100
Described LED on be covered with refraction type lens 120.The light that described LED sends, reflects through described refraction type lens 120
After, aperture will not be partially formed, best, described refraction type lens 120 are arranged in semiellipse shape, described refraction type lens
Long axis direction keeps consistent with the width of described substrate, and the size of described refraction type lens 120 is preferably: major semiaxis L1Model
Enclose for 10mm ＜ L1≤ 12.5mm, its semi-minor axis L2Scope is 7mm≤L2≤ 10mm, in the present embodiment, for 32 cun of liquid crystal
The described LED lamp bar of display device, L1For 12.5mm, L2For 10mm, for the described LED of the liquid crystal indicator less than 32 cun
Lamp bar, L1For 10mm ＜ L1＜ 12.5mm, L2For 7mm≤L2＜ 10mm, the light that described LED sends, saturating through described refraction type
After mirror 120 refraction, at the luminous intensity of long axis direction and the lighting angle of described refraction type lens 120, relatively other direction luminosity
Strong and angle big, and aperture will not be partially formed.
Refer to Fig. 3, in the another embodiment of LED lamp bar 100 of the present utility model, this embodiment and first embodiment
Difference be: described lens are reflective lens 130, and described reflective lens 130 is covered at described LED (not
Diagram) on, and stretch out to be located at the top of described substrate 110 from the junction of described LED Yu described substrate 110, when described
The light that LED sends, launches in Vespertilio shape after described reflective lens 130 reflects, strengthens even light mixing degree, subtract
Little light mixing distance, and its reflected range is relatively big, is conducive to expanding the range of exposures of described LED lamp bar.
The structural representation of one embodiment of the backlight module that Fig. 4 provides for this utility model.
Incorporated by reference to Fig. 4 and Fig. 5, this utility model also provides for a kind of backlight module 200, and described backlight module 200 includes the back of the body
Plate 210, and it is arranged on the LED lamp bar 100 of the inner surface of described backboard 210, the quantity of described LED lamp bar 100 is at least one
Individual, the concrete structure of described LED lamp bar 100 with reference to above-described embodiment, have employed above-mentioned LED due to described backlight module 200
Whole technical schemes of all embodiments of lamp bar 100, have the institute that the technical scheme of above-described embodiment is brought the most equally
Having beneficial effect, this is no longer going to repeat them.
Described backboard 210 includes plate-shaped back plate main body 211 and the side extended forward from described back plate main body 211
Plate 212, the inner surface of described backboard 210 is equipped with the reflector plate being positioned on described back plate main body 211 and described side plate 212 (not
Diagram), specifically, described side plate 212 extends forward from the lateral edges of described back plate main body 211, when the light that described LED sends
Being irradiated on described reflector plate, the light received is broken up by described reflector plate so that light even light mixing.
Further, in the present embodiment, can be the most permissible in theory by the parameter of backboard 210 described in appropriate design
Realizing, described liquid crystal indicator 200 can reach subjective picture to use a described LED lamp bar 100 to ensure that, and does not goes out
The effect of existing ash blanking bar, design parameter is as follows:
Described back plate main body 211 with the vertical dimension H scope on the top of described side plate 212 is: 30mm≤H≤40mm；
Angle theta scope between described back plate main body 211 and described side plate 212 is: 162.6 °≤θ≤169.1 °；
Described back plate main body is positioned at the long limit of the both sides of described LED lamp bar, LED described in the long back gauge of described back plate main body
The center of LED nearest on lamp bar, on the width of described LED lamp bar, distance is L3:40mm≤L3≤70mm；
But, during only with a described LED lamp bar 100, it is necessary to assure described LED lamp bar 100 is positioned at described backboard 210
Zone line, and the length direction of described substrate 110 is parallel, if the deviation from center with the length direction of described backboard 210
Territory is too big, is likely to result in the irradiation area away from described LED lamp bar 100 and produces ash blanking bar, to this end, for described LED lamp bar
The installation site of 100 is restricted, as follows:
For applying the described backlight module 200 at the liquid crystal indicator of 28～32 cun, in described LED lamp bar 100
The heart deviates distance R at the center of described backboard 2101Scope is: R1≤ 50mm, namely the center of described LED lamp bar 100, Ke Yi
With the center of described backboard 210 as the center of circle, in the circle with 50mm as radius；
For applying the backlight module 200 of the liquid crystal indicator within 28 cun and 28 cun, described LED lamp bar 100
Distance R at the center of described backboard 210 is deviateed at center2Scope is: R2≤ 20mm, namely the center of described LED lamp bar 100, permissible
With the center of described backboard 210 as the center of circle, in the circle with 20mm as radius；
Avoid the center of described LED lamp bar 100 to deviate the distance of central area of described backboard 210 with this excessive, cause
The irradiation area of described LED lamp bar 100 is uneven, causes ash blanking bar occur at the subjective picture of described liquid crystal indicator 200.
These are only preferred embodiment of the present utility model, not thereby limit its scope of the claims, every utilize this practicality
Equivalent structure or equivalence flow process that novel description and accompanying drawing content are made convert, and are directly or indirectly used in other relevant skills
Art field, is the most in like manner included in scope of patent protection of the present utility model.
Claims (9)
1. a LED lamp bar, in backlight module, it is characterised in that described LED lamp bar includes the substrate of strip, Yi Jishe
Multiple LED on described substrate, multiple described LED are intervally arranged along the length direction of described substrate, and along described
The width of substrate is two-row spacing arrangement, and LED described in two rows is in being crisscross arranged.
2. LED lamp bar as claimed in claim 1, it is characterised in that two adjacent described LED, at the width of described substrate
Distance on degree direction is less than or equal to 20mm.
3. LED lamp bar as claimed in claim 1, it is characterised in that be covered with refraction type lens in described LED.
4. LED lamp bar as claimed in claim 3, it is characterised in that described refraction type lens are that semiellipse shape is arranged, described folding
The long axis direction penetrating formula lens keeps consistent with the width of described substrate.
5. LED lamp bar as claimed in claim 1, it is characterised in that be covered with reflective lens in described LED.
6. a backlight module, it is characterised in that include backboard and be arranged on the LED lamp bar of inner surface of described backboard, institute
The quantity stating LED lamp bar is at least one, and described LED lamp bar is the LED lamp bar described in claim 1 to 5 any one.
7. backlight module as claimed in claim 6, it is characterised in that the quantity of described LED lamp bar is.
8. backlight module as claimed in claim 7, it is characterised in that described backboard include plate-shaped back plate main body and
The side plate extended forward from described back plate main body, the inner surface of described backboard is equipped with and is positioned at described back plate main body and described side plate
On reflector plate.
9. backlight module as claimed in claim 8, it is characterised in that described LED lamp bar is arranged in described back plate main body
Heart region, and the length direction of described substrate is parallel with the length direction of described backboard.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620790235.XU CN205880450U (en) | 2016-07-25 | 2016-07-25 | LED lamp strip and backlight unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620790235.XU CN205880450U (en) | 2016-07-25 | 2016-07-25 | LED lamp strip and backlight unit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205880450U true CN205880450U (en) | 2017-01-11 |
Family
ID=57698346
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620790235.XU Expired - Fee Related CN205880450U (en) | 2016-07-25 | 2016-07-25 | LED lamp strip and backlight unit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205880450U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2018166184A1 (en) * | 2017-03-13 | 2018-09-20 | 京东方科技集团股份有限公司 | Led light bar and backlight module provided with said led light bar |
-
2016
- 2016-07-25 CN CN201620790235.XU patent/CN205880450U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2018166184A1 (en) * | 2017-03-13 | 2018-09-20 | 京东方科技集团股份有限公司 | Led light bar and backlight module provided with said led light bar |
| US10969539B2 (en) | 2017-03-13 | 2021-04-06 | Boe Technology Group Co., Ltd. | LED light strip and backlight module having the same |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170111 Termination date: 20190725 |