CN202349791U - Backlight source module and display equipment - Google Patents
Backlight source module and display equipment Download PDFInfo
- Publication number
- CN202349791U CN202349791U CN2011205311615U CN201120531161U CN202349791U CN 202349791 U CN202349791 U CN 202349791U CN 2011205311615 U CN2011205311615 U CN 2011205311615U CN 201120531161 U CN201120531161 U CN 201120531161U CN 202349791 U CN202349791 U CN 202349791U
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- Prior art keywords
- led lamp
- source module
- backlight source
- backboard
- groove
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Abstract
The utility model relates to the technical field of display equipment, in particular relates to a backlight source module and display equipment. The backlight source module comprises a back plate and an LED (Light-emitting Diode) lamp strip, wherein the LED lamp strip is provided with an LED lamp; and at least partial regions on the back plate and the LED lamp strip are connected by matching of a groove and a boss. The backlight source module disclosed by the utility model adopts a matching way of the rear plate and the LED lamp strip through combining the groove and the boss so that heat radiated by the LED lamp can be rapidly and effectively radiated out through the back plate, a partial overheating phenomenon of the backlight source module, caused by high heat radiated by the LED lamp, is avoided, and the service life of the LED lamp and components of the backlight source module are prolonged to the greatest extent.
Description
Technical field
The utility model relates to the display device technical field, particularly a kind of backlight source module and display device.
Background technology
In recent years; Development along with microelectric technique and package technique; Modern electronic equipment becomes by High Density Packaging, the formed height integrated system of little assembling just day by day, and the heat flow density of electronic equipment also improves day by day simultaneously, and its life-span and its operating temperature have direct relation.Thermograde in the actual application can produce thermal stress and thermal deformation, finally causes the product fatigue failure.This shows that it is the major reason that causes modern electronic product to lose efficacy that thermal design is dealt with improperly.
Usually, comprise backboard and LED lamp bar in the existing backlight source module, the LED lamp is installed on this LED lamp bar.Backboard is connected with LED lamp strip adoption screw.This backboard is processed by aluminium, aluminium alloy extrusions, steel or other metal materials usually; LED lamp bar is many to be processed by aluminium, aluminium alloy extrusions or other metal materials; Because backboard and the coarse injustice of LED lamp bar contact-making surface between the two make that the applying between backboard and the LED lamp bar is not tight, cause the non-constant of its capacity of heat transmission each other; And, LED lamp bar can expand after being heated; Make the part that does not adopt screw to connect between LED lamp bar and the backboard that warpage take place easily, the main dependence of heat conduction heat radiation between the two makes conducting effect relatively poor.
As shown in Figure 1, be the backlight source module structural representation of another kind of prior art.This backlight source module comprises backboard 1 and LED lamp bar 2, and LED lamp (figure does not show) is installed on this LED lamp bar 2.Be provided with heat conduction bar 3 between this backboard 1 and the LED lamp bar 2, this heat conduction bar 3 adopts the heat conduction adhesive tape, is used for the heat that the LED lamp is produced is conducted to backboard 1, through backboard 1 the heat heat radiation is come.But the thermal conductivity factor of present existing heat conduction adhesive tape is lower; Its thermal conductivity factor is 0.6w/mk to the maximum, is far smaller than the thermal conductivity factor (thermal conductivity factor of aluminium can up to more than the 100w/mk) of metals such as aluminium, therefore; The heat conductivility of the heat conduction adhesive tape that is provided with is limited; Make heat-conducting effect undesirable, cause backlight source module that hot-spot takes place easily, and then influence the service life of each parts of backlight source module internal.
The utility model content
The technical problem that (one) will solve
The technical problem that the utility model will solve provides a kind of backlight source module and display device; Undesirable to overcome existing backlight source module heat-conducting effect; Cause backlight source module generation hot-spot, and then influence defectives such as each parts of backlight source module internal service life.
(2) technical scheme
In order to address the above problem, the utility model provides a kind of backlight source module on the one hand, comprising:
Backboard and LED lamp bar are installed the LED lamp on the said LED lamp bar, said backboard is connected with the cooperation of boss through groove with subregion at least on the LED lamp bar.
Further, said groove and boss are interference fit.
Further, saidly between backboard between adjacent lands or the groove and LED lamp bar, be provided with the heat conduction bar.
Further, has at least one boss on the said backboard;
Has the groove that is complementary with boss on the said LED lamp bar.
Further, has at least one groove on the said backboard;
Has the boss that is complementary with groove on the said LED lamp bar.
Further, have at least one boss and at least one groove on the said backboard;
Have on the said LED lamp bar with backboard on boss and the groove groove and the boss that are complementary.
On the other hand, the utility model also provides a kind of display device, and it comprises above-mentioned backlight source module.
(3) beneficial effect
Backlight source module that the utility model provides and display device; Fit system with backboard and LED lamp strip adoption groove and boss combination; The high heat that makes the LED lamp distribute can distribute through backboard fast and effectively and come; Avoid the high heat that distributes by the LED lamp and made backlight source module the hot-spot phenomenon occur, farthest prolonged the service life of LED lamp and backlight source module parts.
Description of drawings
Fig. 1 is a backlight source module structural representation in the prior art;
Fig. 2 is the utility model embodiment one backlight source module structural representation;
Fig. 3 is the utility model embodiment one backlight source module dorsulum structural representation;
Fig. 4 is a LED lamp bar structural representation in the utility model embodiment one backlight source module;
Fig. 5 is the utility model embodiment two backlight source module dorsulum structural representations;
Fig. 6 is a LED lamp bar structural representation in the utility model embodiment two backlight source module;
Fig. 7 is the utility model embodiment three backlight source module dorsulum structural representations;
Fig. 8 is a LED lamp bar structural representation in the utility model embodiment three backlight source module.
Among the figure: 1, backboard; 11, boss; 12, groove; 2, LED lamp bar; 21, groove; 22, boss; 3, heat conduction bar.
The specific embodiment
Below in conjunction with accompanying drawing and embodiment, the specific embodiment of the utility model is described in further detail.Following examples are used to explain the utility model, but are not used for limiting the scope of the utility model.
Referring to Fig. 2-4, the utility model embodiment backlight source module comprises: backboard 1 and LED lamp bar 2, LED lamp (figure does not show) is installed on the LED lamp bar 1, and backboard 1 is connected with the cooperation of boss through groove with subregion at least on the LED lamp bar 2.
Be specially: have at least one boss 11 on this backboard 1, have the groove 21 that is complementary with boss 11 on this LED lamp bar 2,, make LED lamp bar be fixedly connected and closely contact with backboard through closely cooperating of boss 11 and groove 21.Boss 11 and groove 21 preferred interference fit.
When the LED lamp produces high heat; Make when LED lamp bar is heated that backboard 1 all expands appropriateness with LED lamp bar 2, certain deflation can take place in the groove 21 on the LED lamp bar; And certain expansion can take place in the boss 11 on the backboard 1, makes that the cooperation between boss 11 and the groove 21 is tightr.Because LED lamp bar more than 2 is processed by aluminium, aluminium alloy extrusions or other metal materials; And backboard 1 is processed by aluminium, aluminium alloy extrusions, steel or other metal materials usually, and it has good heat-conducting, therefore; When backboard 1 closely contacts with LED lamp bar 2; The thermal conductivity factor of its contact-making surface can increase, thereby the high heat that the LED lamp is produced can be distributed through backboard fast, uniformly, effectively reduces the heat of backlight source module.
The quantity of the groove 21 on the quantity of backboard 1 convex platform 11 and the LED lamp bar 2 can be decided according to the actual requirements, and in order to obtain good heat-conducting effect, this boss 11 and groove 21 can spread all over the surface of backboard 1 and LED lamp bar 2 respectively.
In addition,, guarantee that backboard 1 has better heat conductivility in order better to reduce the heat of backlight source module, can be with between backboard 1 between adjacent lands 11 or the groove 21 and LED lamp bar 2, being provided with heat conduction bar 3.This heat conduction bar 3 can adopt heat conduction adhesive tape of the prior art or adopt in the prior art other Heat Conduction Materials with good heat conductive performance to process.This heat conduction bar 3 can compensate the not heat conductivility of tight contact portion that exists between backboard 1 and the LED lamp bar 2.Can the heat that the LED lamp produces effectively be passed to backboard 1 through heat conduction bar 3; And then through backboard 1 heat is distributed and to come; Avoid the high heat that distributes by the LED lamp and made backlight source module the hot-spot phenomenon occur, farthest prolonged the service life of LED lamp and backlight source module parts.
Referring to Fig. 5-6; The difference that present embodiment and embodiment 1 exist is: have at least one groove 12 on the backboard 1 in this backlight source module; Has the boss 22 that is complementary with groove 12 on this LED lamp bar 2; Through closely cooperating of boss 22 and groove 12, make LED lamp bar 2 be fixedly connected and closely contact, and can make that the thermal conductivity factor of contact-making surface promotes between LED lamp bar 2 and the backboard 1 with backboard 1; Thereby the high heat that the LED lamp is produced can be distributed through backboard 1 fast, uniformly, effectively reduce the heat of backlight source module.Boss 22 and groove 12 preferred interference fit.
The quantity of the boss 22 on the quantity of backboard 1 upper groove 12 and the LED lamp bar 2 can be decided according to the actual requirements, and in order to obtain good heat-conducting effect, this boss 22 and groove 12 can spread all over the surface of backboard 1 and LED lamp bar 2 respectively.
Referring to Fig. 7-8, the difference that present embodiment and embodiment 1 exists is: have at least one boss 11 and at least one groove 12 on the backboard 1 in this backlight source module, this boss 11 is with groove 12 space sets or otherwise arrange arbitrarily.Have on this LED lamp bar 2 with backboard on groove 12 and boss 11 boss 22 and groove 21 that are complementary; Through closely cooperating of boss and groove; Make LED lamp bar 2 be fixedly connected and closely contact with backboard 1; And can make the LED lamp bar 2 and the thermal conductivity factor of backboard 1 contact-making surface promote, thus the high heat that the LED lamp is produced can be distributed through backboard 1 fast, uniformly, effectively reduce the heat of backlight source module.Boss 11 and groove 21, boss 22 and groove 12 preferred interference fit.
The quantity of backboard 1 upper groove 12 and boss 11 and the quantity of boss on the LED lamp bar 2 22 and groove 21 can be decided according to the actual requirements, and in order to obtain good heat-conducting effect, this boss and groove can spread all over the surface of backboard 1 and LED lamp bar 2 respectively.
In addition, the utility model also provides a kind of display device, comprises the backlight source module of describing in the foregoing description, and this display device can be display, computer, TV, display floater or other display unit.Backlight source module that the utility model provides and display device; Fit system with backboard and LED lamp strip adoption groove and boss combination; The heat that makes high-powered LED lamp distribute can distribute through backboard fast and effectively and come; Avoid the high heat that distributes by the LED lamp and made backlight source module the hot-spot phenomenon occur, farthest prolonged the service life of LED lamp and backlight source module parts.
Above embodiment only is used to explain the utility model; And be not the restriction to the utility model; The those of ordinary skill in relevant technologies field under the situation of spirit that does not break away from the utility model and scope, can also be made various variations and modification; Therefore all technical schemes that are equal to also belong to the category of the utility model, and the scope of patent protection of the utility model should be defined by the claims.
Claims (7)
1. a backlight source module is characterized in that, comprising:
Backboard and LED lamp bar are installed the LED lamp on the said LED lamp bar, said backboard is connected with the cooperation of boss through groove with subregion at least on the LED lamp bar.
2. backlight source module as claimed in claim 1 is characterized in that, said groove and boss are interference fit.
3. backlight source module as claimed in claim 1 is characterized in that, saidly between backboard between adjacent lands or the groove and LED lamp bar, is provided with the heat conduction bar.
4. backlight source module as claimed in claim 1 is characterized in that, comprising:
Has at least one boss on the said backboard;
Has the groove that is complementary with boss on the said LED lamp bar.
5. backlight source module as claimed in claim 1 is characterized in that,
Has at least one groove on the said backboard;
Has the boss that is complementary with groove on the said LED lamp bar.
6. backlight source module as claimed in claim 1 is characterized in that,
Have at least one boss and at least one groove on the said backboard;
Have on the said LED lamp bar with backboard on boss and the groove groove and the boss that are complementary.
7. a display device is characterized in that, comprises each described backlight source module of claim 1-6.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011205311615U CN202349791U (en) | 2011-12-16 | 2011-12-16 | Backlight source module and display equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011205311615U CN202349791U (en) | 2011-12-16 | 2011-12-16 | Backlight source module and display equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202349791U true CN202349791U (en) | 2012-07-25 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011205311615U Expired - Lifetime CN202349791U (en) | 2011-12-16 | 2011-12-16 | Backlight source module and display equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202349791U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2017219731A1 (en) * | 2016-06-22 | 2017-12-28 | 京东方科技集团股份有限公司 | Backlight module and display device |
-
2011
- 2011-12-16 CN CN2011205311615U patent/CN202349791U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2017219731A1 (en) * | 2016-06-22 | 2017-12-28 | 京东方科技集团股份有限公司 | Backlight module and display device |
| US20180245779A1 (en) * | 2016-06-22 | 2018-08-30 | Boe Technology Group Co., Ltd. | Backlight module and display apparatus |
| US10563848B2 (en) | 2016-06-22 | 2020-02-18 | Boe Technology Group Co., Ltd. | Backlight module and display apparatus |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20120725 |
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| CX01 | Expiry of patent term |