CN201577260U - Structure adopting display screen casing to dissipate heat - Google Patents
Structure adopting display screen casing to dissipate heat Download PDFInfo
- Publication number
- CN201577260U CN201577260U CN2009202605338U CN200920260533U CN201577260U CN 201577260 U CN201577260 U CN 201577260U CN 2009202605338 U CN2009202605338 U CN 2009202605338U CN 200920260533 U CN200920260533 U CN 200920260533U CN 201577260 U CN201577260 U CN 201577260U
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- display screen
- pcb
- circuit board
- printed circuit
- die casting
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Abstract
The utility model relates to a structure adopting a display screen casing to dissipate heat. The structure comprises a display screen casing body, a plurality of IC modules, a printed circuit board, a pressure casting aluminum casing and a plurality of LED lamps, wherein the pressure casting aluminum casing is connected between the display screen casing body and the printed circuit board; the IC modules are electrically connected to the printed circuit board; and the LED lamps are electrically connected to the printed circuit board. Furthermore, a heat dissipation silicage grease layer is arranged between the display screen casing body and the pressure casting aluminum casing, and another heat dissipation silicage grease layer is arranged between the printed circuit board and the pressure casting aluminum casing, therefore, by adopting the structure, the effects of increasing heat dissipating efficiency and balancing the temperature of the whole display screen are achieved.
Description
Technical field
The utility model relates to a kind of radiator structure, is meant that especially a kind of die casting aluminium shell that utilizes that is applied in the display screen is connected radiator structure on the display screen housing with IC module, printed circuit board (PCB) and LED lamp.
Background technology
So-called LED (Light Emitting Diode), being light-emitting diode, is a kind of semiconductor solid luminescence device, and it is to utilize the solid semiconductor chip as luminescent material, when two ends add forward voltage, the charge carrier in the semiconductor takes place compoundly to cause photo emissions and produce light.LED can directly send red, yellow, blue, green, blue or green, orange, purple, white light.LED light-emitting diode three big advantages are except can solving wide gamut problem, and for CCFL cold cathode backlight, the LED light-emitting diode also has more superiority.And at first be exactly environmental protection.Outside environmental protection, the LED-backlit source is very economize on electricity also, and its power consumption is lower than CCFL cold cathode backlight.
As mentioned above, so it is used also more and more widely because LED has many advantages, just obtained very general application now such as the technology of utilizing LED as display screen.But the heat dissipation technology of display screen has determined the performance that it is whole, and the radiating mode that will have display screen now now underdraws as follows.Existing display screen is approximately the rated disspation that 0.5kw does not wait to 2kw for every square, and its power consumption major part is converted to heat energy, so the heat dissipation problem of display screen is one of factor of existing display screen imperfect stability.The traditional display screen heat radiation is all adopted fan to make screen body inner air convection current and is dispelled the heat, but because this body structure of screen body is (such as the top of casing, module guest who is not a relative shield portions, and around the screen body etc.) limitation, make each the position heat radiation of screen body inhomogeneous, the temperature difference is very big, makes the screen body in use for some time, color lump appears, patch etc. (life-span of LED is inversely proportional to temperature).Have a strong impact on screen body stability and viewing effect.
Summary of the invention
The utility model provides a kind of structure of utilizing the heat radiation of display screen shell, it is connected on the display screen housing IC module, printed circuit board (PCB) and LED lamp to reach the lifting radiating efficiency by the die casting aluminium shell, the structure of balance entire display screen temperature, and this is a main purpose of the present utility model.
The technical scheme that the utility model adopted is: the structure of utilizing the heat radiation of display screen shell, it comprises the display screen housing, some IC modules, printed circuit board (PCB) (PCB), die casting aluminium shell and some LED lamps, wherein, this die casting aluminium shell connection is arranged between this display screen housing and this printed circuit board (PCB) (PCB), this die casting aluminium shell comprises two sides, wherein, this display screen housing is connected on this side of this die casting aluminium shell, and this printed circuit board (PCB) (PCB) is connected on this side of another one of this die casting aluminium shell, this moment, the heat transferred that this printed circuit board (PCB) (PCB) work is produced and is outwards transmitted heat by this die casting aluminium shell to this die casting aluminium shell.
Some these IC modules are connected electrically on this printed circuit board (PCB) (PCB), the heat transferred that some these IC module work are produced is to this die casting aluminium shell, and heat is outwards transmitted by this die casting aluminium shell, aforesaid some this IC modules also can be embedded in this die casting aluminium shell, to reach heat transferred that its work is produced to this die casting aluminium shell, and by the purpose of this die casting aluminium shell with the outside transmission of heat, some these LED lamps are connected electrically on this printed circuit board (PCB) (PCB), the heat transferred that some these LED lamp work are produced is to this die casting aluminium shell, and by this die casting aluminium shell heat is outwards transmitted, be provided with face shield between this LED lamp.
Further, be provided with thermal grease fat layer between aforesaid this display screen housing and this die casting aluminium shell, be provided with thermal grease fat layer between aforesaid this printed circuit board (PCB) (PCB) and this die casting aluminium shell, by the temperature between quick this display screen housing of balance of this thermal grease fat layer energy and this printed circuit board (PCB) (PCB), and the temperature of entire display screen is tended to balance.
The beneficial effects of the utility model are: as mentioned above the utility model it comprise the display screen housing, some IC modules, printed circuit board (PCB), die casting aluminium shell and some LED lamps, wherein, this die casting aluminium shell connection is arranged between this display screen housing and this printed circuit board (PCB), some these IC modules are connected electrically on this printed circuit board (PCB), some these LED lamps are connected electrically on this printed circuit board (PCB), further, be provided with thermal grease fat layer between aforesaid this display screen housing and this die casting aluminium shell, be provided with thermal grease fat layer between aforesaid this printed circuit board (PCB) and this die casting aluminium shell, structure by as above reaches the lifting radiating efficiency, the effect of balance entire display screen temperature.
Description of drawings
Fig. 1 is a structural profile schematic diagram of the present utility model;
Fig. 2 is the position view of display screen housing of the present utility model, printed circuit board (PCB), die casting aluminium shell, thermal grease fat layer.
Embodiment
As shown in Figure 1, 2, utilize the structure of display screen shell heat radiation, it comprises display screen housing 10, some IC modules 20, printed circuit board (PCB) (PCB) 30, die casting aluminium shell 40 and some LED lamps 50.
Wherein, these die casting aluminium shell 40 connections are arranged between this display screen housing 10 and this printed circuit board (PCB) (PCB) 30.
As shown in Figure 2, this die casting aluminium shell 40 comprises two sides, and wherein, this display screen housing 10 is connected on this side of this die casting aluminium shell 40, and this printed circuit board (PCB) (PCB) 30 is connected on this side of another one of this die casting aluminium shell 40.
This moment, the heat transferred that this printed circuit board (PCB) (PCB) 30 work is produced and is outwards transmitted heat by this die casting aluminium shell 40 to this die casting aluminium shell 40.
Some these IC modules 20 are connected electrically on this printed circuit board (PCB) (PCB) 30, and the heat transferred that some this IC modules 20 work are produced and is outwards transmitted heat by this die casting aluminium shell 40 to this die casting aluminium shell 40.
Aforesaid some this IC modules 20 also can be embedded in this die casting aluminium shell 40, reaching heat transferred that its work is produced to this die casting aluminium shell 40, and the purpose of heat outwards being transmitted by this die casting aluminium shell 40.
Some these LED lamps 50 are connected electrically on this printed circuit board (PCB) (PCB) 30, and the heat transferred that some this LED lamps 50 work are produced and is outwards transmitted heat by this die casting aluminium shell 40 to this die casting aluminium shell 40.
Be provided with face shield 60 between this LED lamp 50.
Further, be provided with thermal grease fat layer 70 between aforesaid this display screen housing 10 and this die casting aluminium shell 40, be provided with thermal grease fat layer 70 between aforesaid this printed circuit board (PCB) (PCB) 30 and this die casting aluminium shell 40.
By the temperature between this quick this display screen housing 10 of balance of thermal grease fat layer 70 energy and this printed circuit board (PCB) (PCB) 30, and the temperature of entire display screen is tended to balance.
The general main heater members of display screen is mainly power supply as mentioned above, drive IC, LED etc., and IC, the heat of LED is most of to be passed on the PCB by support, as long as so can be power supply, heat on drive IC and the PCB is led away rapidly, just can solve screen body fan heat problem, the utility model adopts die casting aluminium just aforesaid this die casting aluminium shell 40 of guard shield (traditional employing plastic shell is as guard shield) as the screen body, it has good thermal conductivity, PCB and drive IC integral body are close on the cast aluminium protecting crust, adding just aforesaid this thermal grease fat layer 70 of one deck thermal grease fat between PCB and the housing and between IC and the housing, can be promptly balanced temperature between the two, also can keep shielding the temperature basically identical of the whole display floater of body, the normal serviceability temperature of the utility model has obtained conclusive raising than the descended stability and life-spans of about 25%. pairs of screen bodies of conventional screen body.
Claims (3)
1. utilize the structure of display screen shell heat radiation, it is characterized in that: it comprises the display screen housing, some IC modules, printed circuit board (PCB), die casting aluminium shell and some LED lamps, wherein, this die casting aluminium shell connection is arranged between this display screen housing and this printed circuit board (PCB), this die casting aluminium shell comprises two sides, wherein, this display screen housing is connected on this side of this die casting aluminium shell, and this printed circuit board (PCB) is connected on this side of another one of this die casting aluminium shell, some these IC modules are connected electrically on this printed circuit board (PCB), some these LED lamps are connected electrically on this printed circuit board (PCB), further, be provided with thermal grease fat layer between aforesaid this display screen housing and this die casting aluminium shell, be provided with thermal grease fat layer between aforesaid this printed circuit board (PCB) and this die casting aluminium shell.
2. the structure of utilizing the heat radiation of display screen shell as claimed in claim 1, it is characterized in that: aforesaid some these IC modules are embedded in this die casting aluminium shell.
3. the structure of utilizing the heat radiation of display screen shell as claimed in claim 2 is characterized in that: be provided with face shield between this LED lamp.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202605338U CN201577260U (en) | 2009-11-17 | 2009-11-17 | Structure adopting display screen casing to dissipate heat |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202605338U CN201577260U (en) | 2009-11-17 | 2009-11-17 | Structure adopting display screen casing to dissipate heat |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201577260U true CN201577260U (en) | 2010-09-08 |
Family
ID=42697130
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009202605338U Expired - Fee Related CN201577260U (en) | 2009-11-17 | 2009-11-17 | Structure adopting display screen casing to dissipate heat |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201577260U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US10248372B2 (en) | 2013-12-31 | 2019-04-02 | Ultravision Technologies, Llc | Modular display panels |
| US10373535B2 (en) | 2013-12-31 | 2019-08-06 | Ultravision Technologies, Llc | Modular display panel |
| US10706770B2 (en) | 2014-07-16 | 2020-07-07 | Ultravision Technologies, Llc | Display system having module display panel with circuitry for bidirectional communication |
| US10891881B2 (en) | 2012-07-30 | 2021-01-12 | Ultravision Technologies, Llc | Lighting assembly with LEDs and optical elements |
-
2009
- 2009-11-17 CN CN2009202605338U patent/CN201577260U/en not_active Expired - Fee Related
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US10891881B2 (en) | 2012-07-30 | 2021-01-12 | Ultravision Technologies, Llc | Lighting assembly with LEDs and optical elements |
| US10248372B2 (en) | 2013-12-31 | 2019-04-02 | Ultravision Technologies, Llc | Modular display panels |
| US10373535B2 (en) | 2013-12-31 | 2019-08-06 | Ultravision Technologies, Llc | Modular display panel |
| US10380925B2 (en) | 2013-12-31 | 2019-08-13 | Ultravision Technologies, Llc | Modular display panel |
| US10410552B2 (en) | 2013-12-31 | 2019-09-10 | Ultravision Technologies, Llc | Modular display panel |
| US10540917B2 (en) | 2013-12-31 | 2020-01-21 | Ultravision Technologies, Llc | Modular display panel |
| US10741107B2 (en) | 2013-12-31 | 2020-08-11 | Ultravision Technologies, Llc | Modular display panel |
| US10871932B2 (en) | 2013-12-31 | 2020-12-22 | Ultravision Technologies, Llc | Modular display panels |
| US10706770B2 (en) | 2014-07-16 | 2020-07-07 | Ultravision Technologies, Llc | Display system having module display panel with circuitry for bidirectional communication |
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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: 20100908 Termination date: 20111117 |