CN204558533U - A kind of luminescent device of reverse installation - Google Patents
A kind of luminescent device of reverse installation Download PDFInfo
- Publication number
- CN204558533U CN204558533U CN201520055084.9U CN201520055084U CN204558533U CN 204558533 U CN204558533 U CN 204558533U CN 201520055084 U CN201520055084 U CN 201520055084U CN 204558533 U CN204558533 U CN 204558533U
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- CN
- China
- Prior art keywords
- printed circuit
- circuit board
- luminescent device
- light
- emitting diode
- 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
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- Arrangement Of Elements, Cooling, Sealing, Or The Like Of Lighting Devices (AREA)
- Led Device Packages (AREA)
- Planar Illumination Modules (AREA)
Abstract
A luminescent device for reverse installation, belongs to electronic technology field.Include one or more luminescent devices and one or more printed circuit boards, installed on a printed circuit board by the luminescent device oppositely installed, the light-emitting area of printed circuit board outer blaze device is lower than printed circuit board surface.The matrix of the light-emitting diode of luminescent device connects printed circuit board, and printed circuit board connects aluminium backing; The side of reverse light-emitting diode is connected on aluminium printed circuit board, and the opposite side of light-emitting diode connects light guide plate respectively.The utility model improves heat dissipation characteristics, decreases the physical impact put in encapsulation.
Description
Technical field
The utility model relates to a kind of luminescent device of reverse installation, belongs to electronic technology field.
Background technology
Mounted package on metal printed circuit plate plate the form fitted tightly with light guide plate.
Technology in the past LED package is attached on aluminium programmable logic controller (PLC) to form module, and it is bonded at again aluminium base heat radiation, and the structure of assembling utensil becomes and is connected on aluminium base by aluminium flake, thus cause heat dissipation capacity to reduce, again because light guide plate is directly close to LED package, therefore may cause bad.
Summary of the invention
In order to overcome the deficiencies in the prior art, the utility model provides a kind of luminescent device of reverse installation.
A kind of luminescent device of reverse installation, include one or more luminescent devices and one or more printed circuit boards, installed on a printed circuit board by the luminescent device oppositely installed, the light-emitting area of printed circuit board outer blaze device is lower than printed circuit board surface.
The matrix of the light-emitting diode of luminescent device connects printed circuit board, and printed circuit board connects aluminium backing; The side of reverse light-emitting diode is connected on aluminium printed circuit board, and the opposite side of light-emitting diode connects light guide plate respectively.
A kind of luminescent device of reverse installation, include one or more luminescent devices and one or more printed circuit boards, installed on a printed circuit board by the luminescent device oppositely installed, the light-emitting area of printed circuit board outer blaze device is lower than printed circuit board surface.
Luminescent device has one or more hole, and hole is the closing section of LCD MODULE light guide plate, thus decreases the impact being applied to luminescent device, plays the effect of electrical connection.
A luminescent device for reverse installation, has the structure that the printed circuit board for installing one or more hole is formed; There is the not outstanding structure on a printed circuit board of light-emitting area of the luminescent device when oppositely installing; The cooling pad part with installation luminescent device is on a printed circuit board fixed on the structure of aluminium base with corresponding form; There is the structure of matter including and be beneficial to heat radiation between luminescent device and aluminium base and bonding.
The structure of one or more reflecting plate is increased on the surface at printed circuit board.
A kind of luminescent device of reverse installation, for light-emitting diode (LED) module and backlight assembly, in particular, the structure that the structure of luminescent device welds rear contact aluminium base from aluminium printed circuit board plate becomes the structure that directly can contact aluminium base without the need to aluminium printed circuit board, and is applied to LED package.
The utility model has the advantages that and solve the problems referred to above, and improve its heat dissipation characteristics, decrease the physical impact put in encapsulation.
Accompanying drawing explanation
When considered in conjunction with the accompanying drawings, by referring to detailed description below, more completely can understand the utility model better and easily learn wherein many adjoint advantages, but accompanying drawing described herein is used to provide further understanding of the present utility model, form a part of the present utility model, schematic description and description of the present utility model, for explaining the utility model, does not form improper restriction of the present utility model, as schemed wherein:
Fig. 1 is light-emitting diode partial structurtes schematic diagram of the present utility model.
Fig. 2 is the main TV structure schematic diagram of light-emitting diode of the present utility model.
Fig. 3 is LED side TV structure schematic diagram of the present utility model.
Fig. 4 is overall structure schematic diagram of the present utility model.
Below in conjunction with drawings and Examples, the utility model is further illustrated.
Embodiment
Obviously, those skilled in the art belong to protection range of the present utility model based on the many modifications and variations that aim of the present utility model is done.
Embodiment 1: as shown in Figure 1, Figure 2, Figure 3, Figure 4, a kind of luminescent device of reverse installation, include one or more luminescent devices and one or more printed circuit boards, installed on a printed circuit board by the luminescent device oppositely installed, the light-emitting area of printed circuit board outer blaze device is lower than printed circuit board surface.
The matrix 1 of light-emitting diode 5 connects printed circuit board 2, and printed circuit board 2 connects aluminium backing 3; The side of reverse light-emitting diode 5 is connected on aluminium printed circuit board 4, and the opposite side of light-emitting diode 5 connects light guide plate 6 respectively; Luminescent device oppositely welds encapsulation; In order to improve luminous efficiency in the utility model, printed circuit board plate can be applied the high light guide plate of reflectivity can for one or more.
As shown in Figure 1, luminescent device is arranged on printed circuit back, and the printed circuit board being provided with luminescent device can directly be pasted onto on aluminium base, in order to be electrically insulated with aluminium base, needs to use heat conduction adhesive tape and heat-conducting glue in installation process.
The utility model applies the luminescent device that can oppositely install, and to be attached directly to the form had on the aluminium base of heat dissipation characteristics, is significantly improved to heat dissipation characteristics.
The physical impact can offsetting luminescent device on printed circuit board during application light guide plate realizes improving reliability.
A luminescent device for reverse installation, at least wants a kind of luminescent device; And have can the luminescent device of reverse mounting structure; There is the luminescent device of at least one lead-in wire; The structure formed with the printed circuit board had for installing one or more hole; There is the not outstanding structure on a printed circuit board of light-emitting area of the luminescent device when oppositely installing; The cooling pad part with installation luminescent device is on a printed circuit board fixed on the structure of aluminium base with corresponding form; There is the structure including the material being beneficial to heat radiation between luminescent device and aluminium base and bonding; Include and be beneficial to heat radiation and the material bonded and the structure for the insulator contacted with aluminium base that prevents from going between;
To increase the structure of one or more reflecting plate on the surface at printed circuit board for improving luminous efficiency.
As mentioned above, embodiment of the present utility model is explained, but as long as do not depart from inventive point of the present utility model in fact and effect can have a lot of distortion, this will be readily apparent to persons skilled in the art.Therefore, such variation is also all included within protection range of the present utility model.
Claims (5)
1. the luminescent device oppositely installed, it is characterized in that including one or more luminescent devices and one or more printed circuit boards, installed on a printed circuit board by the luminescent device oppositely installed, the light-emitting area of printed circuit board outer blaze device is lower than printed circuit board surface.
2. the luminescent device of a kind of reverse installation according to claim 1, it is characterized in that the matrix of the light-emitting diode of luminescent device connects printed circuit board, printed circuit board connects aluminium backing; The side of reverse light-emitting diode is connected on aluminium printed circuit board, and the opposite side of light-emitting diode connects light guide plate respectively.
3. the luminescent device of a kind of reverse installation according to claim 1, is characterized in that luminescent device has one or more hole, and hole is the closing section of LCD MODULE light guide plate.
4. the luminescent device oppositely installed, is characterized in that the structure of the printed circuit board formation had for installing one or more hole; There is the not outstanding structure on a printed circuit board of light-emitting area of the luminescent device when oppositely installing; The cooling pad part with installation luminescent device is on a printed circuit board fixed on the structure of aluminium base with corresponding form; There is the structure of matter including and be beneficial to heat radiation between luminescent device and aluminium base and bonding.
5. the luminescent device of a kind of reverse installation according to claim 4, is characterized in that the structure increasing one or more reflecting plate at printed circuit board on the surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520055084.9U CN204558533U (en) | 2015-01-27 | 2015-01-27 | A kind of luminescent device of reverse installation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520055084.9U CN204558533U (en) | 2015-01-27 | 2015-01-27 | A kind of luminescent device of reverse installation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204558533U true CN204558533U (en) | 2015-08-12 |
Family
ID=53833613
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520055084.9U Expired - Fee Related CN204558533U (en) | 2015-01-27 | 2015-01-27 | A kind of luminescent device of reverse installation |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204558533U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US10191205B2 (en) * | 2016-01-29 | 2019-01-29 | Boe Technology Group Co., Ltd. | Backlight source, backlight unit, display apparatus, and fabricating method thereof |
-
2015
- 2015-01-27 CN CN201520055084.9U patent/CN204558533U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US10191205B2 (en) * | 2016-01-29 | 2019-01-29 | Boe Technology Group Co., Ltd. | Backlight source, backlight unit, display apparatus, and fabricating method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 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: 20150812 Termination date: 20170127 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |