CN201672333U - Backlight component and LED television adopting same - Google Patents
Backlight component and LED television adopting same Download PDFInfo
- Publication number
- CN201672333U CN201672333U CN2010202067817U CN201020206781U CN201672333U CN 201672333 U CN201672333 U CN 201672333U CN 2010202067817 U CN2010202067817 U CN 2010202067817U CN 201020206781 U CN201020206781 U CN 201020206781U CN 201672333 U CN201672333 U CN 201672333U
- Authority
- CN
- China
- Prior art keywords
- led
- backlight assembly
- lamp bar
- backboard
- lcd
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Images
Abstract
The utility model relates to a fixing device using a light source strip or string, in particular to a backlight component and an LED television adopting the same. The backlight component comprises a back plate connected with the LED liquid crystal television and a lamp strip arranged on the back plate in a detachable manner, an LED array is arranged on the lamp strip, the lamp strip is inserted on the back plate, a heat conductive layer is arranged on at least one contact face of the lamp strip with the back plate, and the corresponding backlight component on the LED liquid crystal television is installed on the frame of the television. By adopting the technical scheme, the backlight component is fine in radiation function, has smaller volume, is simple in mounting, firm in structure, and lower in cost, and is applicable to industrialized production. Simultaneously, the utility model further provides the LED liquid crystal television adopting the backlight component.
Description
Technical field
The utility model relates to a kind of fixture of using string of light or band, the LED LCD TV that specifically is meant a kind of backlight assembly of LED LCD TV and this assembly is installed.
Background technology
Advantages such as that LCD LCD has is frivolous, large scaleization, complanation and digitisation.In traditional large-scale LCD backlight module, light source adopts cold-cathode tube CCFL fluorescent tube more.But, replaced by the LED of high-quality and environmental protection gradually owing to have composition such as mercury in it.But also be in perfect fast and development stages as LED-backlit source technology particularly important in the LED TV, therefore various correlation techniques emerge in an endless stream.In the research of scientific research personnel now except the scattering that concentrates on the LED-backlit source or perhaps light source scattering quality lamp subject matter, also carry out the heat dissipation problem of the backlight module of LED LCD TV and the research of installation question, wherein in following Chinese patent just the heat dissipation problem to the LED-backlit source different technical schemes is provided.
At publication number is CN1949059, and name is called in the Chinese invention patent of " LED-backlit unit " and discloses a kind of LED-backlit unit, comprising: light source; Plate comprises the circuit pattern that is printed on its downside, and has at least one installing hole that penetrates, and light source is inserted in the installing hole; Metallic support, the downside of light source are installed on its inner surface, metallic support hold be provided with abreast with metallic support and with the metallic support plate of certain interval at interval; Reflector is arranged on the top surface of plate, with the light of reflection from the light source generation.Can simplify to be passed to outside heat dissipation path from the heat of light source more,, thereby improve product reliability with the raising radiating efficiency.Can reduce the quantity of total assembly, can replace being equipped with on it plate of light source, thereby save manufacturing cost with the parts of cheapness.
In addition, be CN201288957 at publication number, name is called in the Chinese utility model patent of " LED-backlit module " and discloses a kind of LED-backlit module, comprises a backboard; One LGP places on the described backboard; First printed circuit board (PCB) is placed perpendicular to described LGP, and described first printed circuit board (PCB) is provided with several LED devices; Second printed circuit board (PCB) is parallel to described LGP and places, and described second printed circuit board (PCB) is provided with several LED devices.The LED-backlit module that the utility model provides helps heat radiation, guarantees that module temperature backlight is in working range.
Publication number is CN200944171, and the Chinese utility model patent that name is called " module backlight that uses LED reflection pit " provides a kind of use light emitting diode (LED) to reflect the module backlight of pit.This module backlight comprises: is used for fixing the circuit board of LED and line, opens a via hole at least at the LED periphery having on the circuit board on several pits, some LED, leaded light heat sink material, a diffuser plate, a leaded light scattering material, the circuit board, and a shell.Pit on the circuit board promptly forms a reflector, the side light of LED is reflexed on the leaded light scattering material, therefore the side light that can draw LED efficiently.Via hole on the circuit board discharges the heat that module backlight produces by the leaded light heat sink material.
Publication number is CN201100621, the Chinese utility model patent that name is called " LCD LED-backlit source heat-dissipating device " discloses a kind of LCD LED-backlit source heat-dissipating device, this device comprises a heat-radiating substrate and a plurality of radiating fins that are installed on the heat-radiating substrate, offer a plurality of up-narrow and down-wide trapezoidal grooves on the described heat-radiating substrate, described radiating fin have with heat-radiating substrate on the trapezoidal bottom that is complementary of trapezoidal groove, the trapezoidal bottom portion of radiating fin is arranged in the trapezoidal groove on the heat-radiating substrate, radiating fin can slide in the trapezoidal groove on heat-radiating substrate, in described each trapezoidal groove one or more radiating fins can be set.LCD LED-backlit source heat-dissipating device of the present utility model, simple in structure, easy for installation, the backlight temperature homogeneity is improved greatly, can promote the light tone uniformity of front end picture.
Though the heat dissipation problem to LED-backlit in the patented technology of above-mentioned patent application representative has all proposed improved measure and has carried out relevant explanation.But in realizing process of the present invention, the inventor finds slightly to dislike complicated as this body structure of LED-backlit assembly in the prior art, is unfavorable for black box dwindling in the overall volume of the installation of LED LCD TV and LED television set.
Therefore the utility model with regard to the shortcoming that is based on above-mentioned prior art proposed a kind of can reach fine heat sinking function and volume less, the backlight assembly of simple LED LCD TV is installed; The technical scheme of the LED LCD TV that adopts this backlight assembly also is provided simultaneously.
Summary of the invention
Goal of the invention of the present utility model be to propose a kind of can reach fine heat sinking function and volume less, the backlight assembly of LED LCD TV;
Another goal of the invention of the present utility model is to provide a kind of installation simple, and sound construction and cost are lower, are suitable for the backlight assembly of the LED LCD TV of suitability for industrialized production.
The utility model has also proposed to adopt the LED LCD TV of this backlight assembly simultaneously.
In order to realize above-mentioned goal of the invention, the utility model adopts following technical scheme:
A kind of backlight assembly, this backlight assembly comprises and is used for the backboard that is connected with the LED LCD TV and is arranged on lamp bar on this backboard by removably, this lamp bar is provided with led array, described lamp bar is inserted on the described backboard, and at least one contact-making surface of described lamp bar and described backboard is provided with heat-conducting layer.
Described backboard is provided with the slot that is used for fixing described lamp bar, and the structure and the shape of this slot and described lamp bar adapt.The cross section of described slot is up-narrow and down-wide isosceles trapezoid, and the trapezoidal base angle of these isosceles is an acute angle, and angular range is between 30 °-45 °.Wherein, the base angle of preferred described isosceles trapezoid is adopted 40 °.
On at least one contact-making surface of described slot of described lamp bar and described backboard, be provided with at least one deck thermal paste as described heat-conducting layer, preferably on lamp bar and side that slot contacts, the heat-conducting layer that above-mentioned thermal paste supports be set.
Described backboard is that the cross section is the aluminium section of " L " type, and described slot is arranged on the surface of aluminium section horizontal component of " L " type.The whole height of described " L " type aluminium section is not more than 8mm, and the lamp bar thickness that is installed on this " L " type aluminium section is not more than 2.5mm.
Described backboard is provided with and is used at least two through holes detachably installing with the LED LCD TV.
Led array on the described lamp bar comprises at least one row LED lamp, has equal spacing in this array between the adjacent LED lamp.
The utility model also provides the LED that adopts above-mentioned backlight assembly LCD TV, and a described backlight assembly at least detachably is set on this LED LCD TV, and this backlight assembly is arranged on the side of this LED LCD TV modular structure.
By adopting above-mentioned technical scheme, the utility model provides a kind of backlight assembly that reaches the less LED LCD TV of fine heat sinking function and volume, simultaneously this backlight assembly install simple, cost is lower simultaneously for sound construction, is suitable for industrialized production; The utility model has also proposed to adopt the LED LCD TV of this backlight assembly simultaneously.
Description of drawings
What show among Figure 1A is that the master of the backboard among the utility model embodiment looks schematic diagram;
What show among Figure 1B is that enlarged diagram is looked on the right side of the backboard among the utility model embodiment;
What show among Fig. 1 C is the schematic top plan view of the backboard among the utility model embodiment;
What show among Fig. 2 A is that the master of the lamp bar among the utility model embodiment looks schematic diagram;
What show among Fig. 2 B is that enlarged diagram is looked on the left side of the lamp bar among the utility model embodiment;
What show among Fig. 2 C is the schematic top plan view of the lamp bar among the utility model embodiment;
What show among Fig. 3 A is that the master of the back board module among the utility model embodiment looks schematic diagram;
What show among Fig. 3 B is the schematic top plan view of the back board module among the utility model embodiment;
What show among Fig. 3 C is that enlarged diagram is looked on the right side of the back board module among the utility model embodiment;
What show among Fig. 4 is the schematic top plan view of another embodiment of lamp bar in the utility model;
What show among Fig. 5 A is LED LCD TV side cross-sectional schematic;
What show among Fig. 5 B is local enlarged diagram among Fig. 5 A.
The component Name of each label representative is as follows in the accompanying drawing:
1 backboard, 11 through holes, 12 slot a base angles
2 lamp bars, 21 LED lamps, 22 lamp sockets, 3 LED LCD TVs
The specific embodiment
Of the present utility modelly be to propose a kind of backlight assembly that can reach the less LED LCD TV of fine heat sinking function and volume, simultaneously this backlight assembly install simple, cost is lower simultaneously for sound construction, is suitable for industrialized production; The utility model has also proposed to adopt the LED LCD TV of this backlight assembly simultaneously.For this reason, the utility model can adopt following technical scheme.
Backlight assembly embodiment in the utility model comprises and is used for the backboard 1 that is connected with the LED LCD TV and is arranged on this backboard 1 lamp bar 2 as LED LCD TV backlight light source by removably, in order to guarantee the thickness of entire backlight assembly, on this lamp bar, only be provided with the led array that has only delegation, this lamp bar 2 is inserted on the described backboard 1, between lamp bar 2 and backboard 1, heat-conducting layer is set then, improve the heat conductivility and the heat transfer efficiency of entire backlight assembly by being provided with of this heat-conducting layer, improved the working life of entire backlight assembly.Below in conjunction with Figure of description the different piece of forming this backlight assembly is illustrated separately, and show their structural feature.
Figure 1A has shown respectively among 1B and the 1C that the master of backlight assembly embodiment dorsulum looks schematic diagram, and enlarged diagram and schematic top plan view are looked in the right side.It is the aluminium section of " L " type that backboard 1 in this embodiment adopts the cross section, the backboard of making like this 1 not only have good heat-conducting and the finished weight made lighter, the weight that helps saving whole LED LCD TV 3.Such backboard 1 is provided with the slot 12 that is used for fixing lamp bar 2, and this slot 12 all adapts with the structure and the shape of lamp bar 1.Slot 12 is arranged on the surface of " L " type aluminium section horizontal component, can reach by the mode of pegging graft lamp bar 2 is stably fixed at purpose on the backboard 1.In addition, for whole slot 12 stability of structure and the consideration of making technology, the cross section of this slot 12 is up-narrow and down-wide isosceles trapezoid, and the trapezoidal base angle a of these isosceles is an acute angle, and the angular dimension of the base angle a of Cai Yonging is 40 ° in the present embodiment.In fact, the angular range of the base angle a of above-mentioned isosceles trapezoid all can between 30 °-45 °.
For this backboard is installed on the LED LCD TV, vertical partial isometry at this " L " type backboard 2 is processed with five through holes 11 that are used for mounting screw, this backboard 2 can be stablized the quantity that fixedly secure the through hole 11 on LED LCD TV 3 as long as in fact have, and need not be confined to the quantity in the present embodiment." L " type backboard 1 whole height of making like this can not satisfy whole LED LCD TV 3 in the requirement to volume fully greater than 8mm.
What show respectively among Fig. 2 A, Fig. 2 B and Fig. 2 C is that the master of the lamp bar among the utility model embodiment looks schematic diagram, and enlarged diagram and schematic top plan view are looked in a left side.Wherein, corresponding Figure 1A, slot on " L " type backboard 1 that shows among 1B and the 1C, the cross sectional shape of this lamp bar 2 also is isosceles trapezoid accordingly, its size should satisfy to stablize and is installed in the above-mentioned slot and do not produce loosening, LED lamp array on the lamp bar 2 in the present embodiment only comprises the LED of delegation lamp in addition, and the distance between the adjacent LED lamp equates, so not only makes the light of whole LED array can try one's best evenly.What more need to further specify is to apply one deck thermal paste as heat dissipating layer on the slot 12 contacted sides of lamp bar 2 and backboard 1, what the side here referred to is exactly on the residing side of two waists of isosceles trapezoid, the benefit that adds heat dissipating layer has illustrated hereinbefore, has not just given unnecessary details here.And,, can also increase the contact area between lamp bar 2 and the backboard 1 simultaneously except stablizing the mounting structure owing to adopt the structure of isosceles trapezoid, reach better heat radiation purpose.Thickness by the lamp bar 2 after this installation is not more than 2.5mm, has guaranteed the requirement of entire backlight assembly to volume equally.Simultaneously in order to guide the luminous of LED lamp on the whole lamp bar 2, also be provided with lamp socket 22 at an end of this lamp bar 2.
Fig. 3 A, what show among Fig. 3 B and Fig. 3 C is that the master of the back board module among the utility model embodiment looks schematic diagram, enlarged diagram is looked on the schematic top plan view and the right side.This backlight assembly adopts the backboard 1 that illustrates among the above-mentioned figure and the connected structure of lamp bar 2, has finished the installation of the entire backlight assembly that shows among Fig. 1.Provide a kind of can reach fine heat sinking function and volume less, the backlight assembly of simple LED LCD TV is installed.
What show among Fig. 4 is the schematic top plan view of another embodiment of lamp bar in the utility model.LED lamp array on the lamp bar 2 wherein comprises 3 row LED lamps, distance between adjacent LED lamp is identical, can obtain better LED lamp source brightness by such setting, but the thickness of obvious whole lamp bar 2 increases, and will cause the increasing of the thickness of entire backlight assembly.Such situation is applicable to larger sized LED LCD.Lamp bar with other different LED lamp array then needs to consider actual conditions specifically application again, has not here just given unnecessary details.But no matter adopt the embodiment of which kind of lamp bar 2, all the inserting mode of this lamp bar 2 by above-mentioned explanation can be fixed on the backboard 1.
What show among Fig. 5 A and the 5B is the local enlarged diagram of side cross-sectional schematic and this cross-sectional schematic of LED LCD TV, wherein according to shown in the figure, a described backlight assembly detachably is set on this LED LCD TV 3, this backlight assembly is arranged on the base of modular structure of this LED LCD TV 3, and backlight assembly provides back light for the whole LED screen like this.Certainly, better in order to obtain, stronger back light, except backlight assembly of the present utility model is installed on the base that can be chosen in LED LCD TV 3 modular structures, also can be chosen on the side or two sides of LED LCD TV 3, or even comprise on the upper side edge of LED LCD TV 3 modular structures LED-backlit assembly of the present utility model all is installed.
Like this, by adopting above-mentioned technical scheme, the utility model provides a kind of backlight assembly that can reach the less LED LCD TV of fine heat sinking function and volume, and this backlight assembly is installed simple, sound construction simultaneously, and cost is relatively low, is applicable to industrialized production; The utility model also provides the LED that adopts this backlight assembly LCD TV simultaneously.In addition, the utility model is not to carrying out giving unnecessary details one by one in order to be reached for assembly that the LED screen provides purpose backlight and adopt usually other those skilled in the art can not adopt by creative work, and the technical scheme that does not mean that backlight assembly of the present utility model do not comprise that these form structure, but can freely add under the situation of needs.
Protection domain of the present utility model is not limited in the specific embodiment of the present utility model, but has just fallen within the protection domain of the present utility model as long as satisfy the scope of the combination that falls into the utility model claim technical characterictic.
Claims (10)
1. backlight assembly, this backlight assembly comprises and is used for the backboard that is connected with the LED LCD TV and is arranged on lamp bar on this backboard by removably, this lamp bar is provided with led array, it is characterized in that, described lamp bar is inserted on the described backboard, and at least one contact-making surface of described lamp bar and described backboard is provided with heat-conducting layer.
2. a kind of backlight assembly according to claim 1 is characterized in that described backboard is provided with the slot that is used for fixing described lamp bar, and the structure and the shape of this slot and described lamp bar adapt.
3. a kind of backlight assembly according to claim 2 is characterized in that, the cross section of described slot is up-narrow and down-wide isosceles trapezoid, and the trapezoidal base angle of these isosceles is an acute angle, and angular range is between 30 °-45 °.
4. a kind of backlight assembly according to claim 3 is characterized in that, the base angle of described isosceles trapezoid is 40 °.
5. a kind of backlight assembly according to claim 3 is characterized in that, is provided with at least one deck thermal paste as described heat-conducting layer at least one contact-making surface of described slot of described lamp bar and described backboard.
6. according to claim 2,3,4 or 5 described a kind of backlight assemblies, it is characterized in that described backboard is that the cross section is the aluminium section of " L " type, described slot is arranged on the surface of aluminium section horizontal component of " L " type.
7. a kind of backlight assembly according to claim 6 is characterized in that, the whole height of described " L " type aluminium section is not more than 8mm, and the lamp bar thickness that is installed on this " L " type aluminium section is not more than 2.5mm.
8. a kind of backlight assembly according to claim 1 is characterized in that, described backboard is provided with and is used at least two through holes detachably installing with the LED LCD TV.
9. a kind of backlight assembly according to claim 1 is characterized in that, the led array on the described lamp bar comprises at least one row LED lamp, has equal spacing in this array between the adjacent LED lamp.
10. adopt the LED TV of the backlight assembly described in the claim 1, it is characterized in that, a described backlight assembly at least detachably is set on this LED LCD TV, this backlight assembly is arranged on the side of modular structure of this LED LCD TV.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202067817U CN201672333U (en) | 2010-05-28 | 2010-05-28 | Backlight component and LED television adopting same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202067817U CN201672333U (en) | 2010-05-28 | 2010-05-28 | Backlight component and LED television adopting same |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201672333U true CN201672333U (en) | 2010-12-15 |
Family
ID=43329745
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010202067817U Expired - Fee Related CN201672333U (en) | 2010-05-28 | 2010-05-28 | Backlight component and LED television adopting same |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201672333U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102544314A (en) * | 2010-12-16 | 2012-07-04 | 三星Led株式会社 | Light emitting module and backlight unit using the same |
-
2010
- 2010-05-28 CN CN2010202067817U patent/CN201672333U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102544314A (en) * | 2010-12-16 | 2012-07-04 | 三星Led株式会社 | Light emitting module and backlight unit using the same |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| TWI393833B (en) | Heat-dissipating structure, backlight module, and display apparatus for standing use | |
| CN102798044B (en) | Edge-lighting backlight module | |
| US8651689B2 (en) | Light emitting diode light bar structure having heat dissipation function | |
| CN202024202U (en) | LED (light emitting diode) lamp strip fixing structure and liquid crystal display | |
| CN201069134Y (en) | LEDLED backlight module | |
| KR20090006720A (en) | High-power light emitting diode(led) street lamp and body frame thereof | |
| CN202182365U (en) | LED light strip, side light type backlight module and display | |
| CN105759498A (en) | Display device | |
| CN101131500A (en) | Light source fixing structure of backlight component | |
| US8854284B2 (en) | Display heat distribution system | |
| CN201672333U (en) | Backlight component and LED television adopting same | |
| CN202469772U (en) | Direct-light-type backlight source and displaying device | |
| CN202103046U (en) | Light emitting diode radiating structure and backlight module | |
| CN201539736U (en) | LED lamp | |
| CN201100544Y (en) | A LED combined line lamp | |
| CN205247017U (en) | Novel backlight unit and display | |
| CN202719406U (en) | LED (light-emitting diode) lamp module and LED lamp | |
| CN203147485U (en) | High-radiation-efficiency light-emitting diode (LED) streetlamp | |
| CN201487890U (en) | Radiating device for edge-lighting LED backlight module | |
| CN201606844U (en) | LED side backlight heat sink | |
| CN202927792U (en) | Power supply fixing structure of light-emitting diode (LED) bulb lamp | |
| CN201137830Y (en) | LED universal lamp tube | |
| CN217235380U (en) | Outdoor fountain lamp | |
| CN216595819U (en) | Novel LED backlight module | |
| CN201335346Y (en) | Radiating structure of LED lamp backlighting device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20101215 Termination date: 20130528 |