CN1811586A - Light source radiating plate of micro-display device - Google Patents
Light source radiating plate of micro-display device Download PDFInfo
- Publication number
- CN1811586A CN1811586A CN 200510045777 CN200510045777A CN1811586A CN 1811586 A CN1811586 A CN 1811586A CN 200510045777 CN200510045777 CN 200510045777 CN 200510045777 A CN200510045777 A CN 200510045777A CN 1811586 A CN1811586 A CN 1811586A
- Authority
- CN
- China
- Prior art keywords
- light source
- radiating plate
- display device
- source radiating
- mentioned
- 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.)
- Pending
Links
Images
Landscapes
- Devices For Indicating Variable Information By Combining Individual Elements (AREA)
Abstract
The present invention belongs to the field of light source technology of miniature display device, in particular, it relates to a light source cooling plate of miniature display device, said light source cooling plate can be used for cooling the lamp that is used as light source and mounted on the display device. Said light source cooling plate is placed over the lamp as light source, said light source and said light source cooling plate are mounted in a lamp box, and said light source cooling plate is characterized by that on the back surface of said light source cooling plate several projections are set, so that it can obtain good cooling effect.
Description
Technical field
The present invention relates to a kind of technical field of microform display device light source, relate in particular to a kind of be installed in the light source radiating plate of the microform display device that the lamp on the display device cools off as light source.
Background technology
At present, along with the variation of image medium and the development of multimedia industry, requirement to display device with large-scale picture is more and more higher, and for the picture of the kinescope (cathode-ray tube (CRT)) of the TV set image that is used for traditional image display maximizes, the kinescope that make maximization just is very restricted.
In order to overcome this restriction, can obtain the maximization picture and develop the device of use, utilize the liquid crystal display rear-projection TV set and the liquid crystal display system of microform display device exactly.
As shown in Figure 1, the liquid crystal display rear-projection TV set is, the light engine 10 that is made of projecting mirror and various parts; The engine mounting bracket 12 of light engine 10 is installed; The base 20 of above-mentioned engine mounting bracket 12 is housed; Installed on the top of base 20 to be equipped with and reflexed to from the portrait of projecting mirror projection that the bonnet 50 of the catoptron 30 of screen 40 forms.
At this liquid crystal display rear-projection TV set is to use lamp as light source, for the ease of replacement or the taking-up of carrying out lamp, and has adopted the light sources component.
Fig. 2 is the structural representation of the light sources component 100 of traditional liquid crystal display rear-projection TV set.The light sources component 100 of tradition liquid crystal display rear-projection TV set is by the lamp that is used for microform display device light source 110; The light source radiating plate of installing at the rear side of above-mentioned light source 110 130; Be equipped with that the lamp box 120 of above-mentioned light source 110 and light source radiating plate 130 forms.
There is great influence in the life-span of the life-span of the light source 110 of this liquid crystal display rear-projection TV set to the liquid crystal display rear-projection TV set, thereby the cooling of finding out the heat that above-mentioned light source 110 is sent is very important.
As shown in Figure 2, heat sink 130 is housed, and heat sink 130 absorbs the heat of being emitted by light source, dispel the heat by the diffusing exothermic mode of air that contact with heat sink 130 at the rear side of traditional light source 110.
But above-mentioned light source radiating plate 130 is done circular flat, because of its surface area little, so heat radiation has certain limit, also because be subjected to the restriction of above-mentioned lamp box 120 volumes, and can not increase the surface area of above-mentioned light source radiating plate 130, this is the problem that a needs solves.
Summary of the invention
The present invention puts forward in order to solve above-mentioned technical matters, the purpose of this invention is to provide a heat sink shape of improving light source, under the situation that does not increase area, can be effectively the light source radiating plate of the microform display device of the heat of light source heat radiation.
To achieve the above object, the present invention is installed in the light source radiating plate above the above-mentioned light source and is equipped with among the light sources component that the lamp box of above-mentioned light source and light source radiating plate forms at the lamp that uses as the microform display device light source with for cooling off above-mentioned light source, and providing a back at above-mentioned light source radiating plate to make most boss is the light source radiating plate of the microform display device of feature.
Be installed in the light source radiating plate above the above-mentioned light source and be equipped with among the light sources component that the lamp box of above-mentioned light source and light source radiating plate forms at the lamp that uses as the microform display device light source with for cooling off above-mentioned light source, make most grooves in the back of above-mentioned light source radiating plate.
The effect of invention:
That is as above seen is such, by the light source radiating plate of microform display device of the present invention, and very fast the distributing of heat that will among light engine drives, take place, and help light source life to prolong, therefore, have the effect that improves product reliability.
Description of drawings
Fig. 1 is the schematic configuration sectional drawing of traditional liquid crystal back projection TV set.
Fig. 2 is the structural representation of conventional light source subassembly.
Fig. 3 is the structural representation of the light sources component of using miniature display device light source radiating plate of the present invention.
Fig. 4 is the sectional drawing of light source radiating plate of the present invention.
Fig. 5 is the sectional drawing of the light source radiating plate of the another kind of embodiment of the present invention.
The explanation of drawing major part symbol:
200: the light sources component; 210: light source;
220: case; 230: light source radiating plate;
232: boss; 332: groove.
Below, to examples of implementation of the light source radiating plate of microform display device of the present invention, be elaborated as follows with reference to additional drawing.
Also have, in the following description, among the main composition key element of the light source radiating plate of microform display device with traditional identical part, in Fig. 1 to Fig. 2,, no longer be described in detail and omitted just with reference to outside the above-mentioned conventional art.
Embodiment
Fig. 3 to Fig. 4 is the structural representation of an embodiment of the light source radiating plate of suitable microform display device of the present invention.
The light sources component of the light source radiating plate of suitable microform display device of the present invention is, by as represented at Fig. 3, and the lamp of using as the microform display device light source 210; Be installed in the light source radiating plate 230 of above-mentioned light source back; Be equipped with in inside that the lamp box 220 of above-mentioned light source 210 and light source radiating plate 230 forms.
Above-mentioned light source 210 is with gradient backward as infundibulate, slightly connects as oval-shaped light source radiating plate 230 usefulness screws at the rear portion of light source.The light source 210 that above-mentioned light source radiating plate 230 is housed is connected the inside of above-mentioned lamp box 220.
At this, above-mentioned light source radiating plate 230 is described in detail again, as shown in Figure 4, on above-mentioned light source radiating plate 230 and above-mentioned light source 210 faying faces reciprocal, make most boss 232.Above-mentioned boss 232 is made for the surface area that increases above-mentioned light source radiating plate 230 and contact with air, and the surface area that light source radiating plate 230 contacts with air is big more, and heat radiation is just fast more.
And light sources component 200 effects of the light source radiating plate of suitable microform display device of the present invention are as follows.
Open the power supply of liquid crystal back projection TV set, just among the light source 210 that is contained in light engine (10 :), produce heat, and this heat is transmitted on the light source radiating plate 230 that is loaded on above-mentioned light source 210 back combinations with reference to Fig. 1.
Be transmitted to that heat on the above-mentioned light source radiating plate 230 contacts with air and to the outside heat radiation, at this moment, because the surface area that most the boss of making on above-mentioned light source radiating plate 230 232 contact with air has increased, so, can dispel the heat to the outside very rapidly.
Among the aforesaid embodiment, on above-mentioned light source radiating plate 230, make most boss 232, thereby the surface that contacts with air has increased, but, in the middle of another kind of embodiment of the present invention, also can make most grooves on the surface of above-mentioned light source radiating plate 230, also be feasible and increase the surface that contacts with air.
Among an alternative embodiment of the invention, be installed in the light source radiating plate above the above-mentioned light source and be equipped with among the light sources component that the lamp box of above-mentioned light source and light source radiating plate forms at the lamp that uses as the microform display device light source with for cooling off above-mentioned light source, providing a back at above-mentioned light source radiating plate to make most grooves is the light source radiating plate of the microform display device of feature.
Below, to another examples of implementation of the light source radiating plate of microform display device of the present invention, be elaborated as follows with reference to additional drawing.
Also have, in the following description, of the present invention to the part identical among the main composition key element of the light source radiating plate of microform display device with conventional art, just with reference to outside above-mentioned conventional art and the explanation of the above embodiments, no longer be described in detail and omitted.
Fig. 5 is the sectional drawing of the light source radiating plate of an alternative embodiment of the invention.
And, the light sources component that uses the light source radiating plate 330 of an alternative embodiment of the invention is to be transmitted to light source radiating plate 330 by the heat that light source 210 takes place, and the heat that above-mentioned conduction comes goes among being dispersed into the air that contacts with above-mentioned light source radiating plate 330.At this moment, because increase with the contacted surface area of air at the groove of making later 332 of above-mentioned light source radiating plate 330, heat conduction has just been accelerated.
In addition, the other formation of present embodiment or effect are the same with the above embodiments, so omitted detailed explanation at this.
Claims (2)
1, a kind of light source radiating plate of microform display device, it is characterized in that being installed in the light source radiating plate above the above-mentioned light source and being equipped with among the light sources component that the lamp box of above-mentioned light source and light source radiating plate forms, make most boss in the back of above-mentioned light source radiating plate at the lamp that uses as the microform display device light source with for cooling off above-mentioned light source.
2, a kind of light source radiating plate of microform display device, it is characterized in that being installed in the light source radiating plate above the above-mentioned light source and being equipped with among the light sources component that the lamp box of above-mentioned light source and light source radiating plate forms, make most grooves in the back of above-mentioned light source radiating plate at the lamp that uses as the microform display device light source with for cooling off above-mentioned light source.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200510045777 CN1811586A (en) | 2005-01-27 | 2005-01-27 | Light source radiating plate of micro-display device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200510045777 CN1811586A (en) | 2005-01-27 | 2005-01-27 | Light source radiating plate of micro-display device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1811586A true CN1811586A (en) | 2006-08-02 |
Family
ID=36844578
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200510045777 Pending CN1811586A (en) | 2005-01-27 | 2005-01-27 | Light source radiating plate of micro-display device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1811586A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102621784A (en) * | 2012-02-27 | 2012-08-01 | 深圳雅图数字视频技术有限公司 | Projector and light machine structure thereof |
-
2005
- 2005-01-27 CN CN 200510045777 patent/CN1811586A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102621784A (en) * | 2012-02-27 | 2012-08-01 | 深圳雅图数字视频技术有限公司 | Projector and light machine structure thereof |
| CN102621784B (en) * | 2012-02-27 | 2014-09-24 | 深圳雅图数字视频技术有限公司 | Projector and light machine structure thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| KR101155696B1 (en) | Heat-dissipating device and display | |
| JP5092408B2 (en) | Backlight device and display device | |
| CN101038428A (en) | Projection apparatus | |
| TWI310858B (en) | Bottom lighting type backlight module | |
| US20090167990A1 (en) | Liquid Crystal Display Appliance | |
| CN1831637A (en) | Cooling apparatus and a projector having the same | |
| JP2007335371A (en) | Surface lighting device | |
| CN1818762A (en) | Backlight module | |
| CN1912683A (en) | Projection display | |
| CN101154027B (en) | Optical device and projection machine | |
| TW201604625A (en) | Backlight device | |
| CN1353321A (en) | Liquid crystal display projector | |
| TW200923514A (en) | Backlight unit and liquid crystal display device having the same | |
| CN1811586A (en) | Light source radiating plate of micro-display device | |
| JP2008122472A (en) | Projector | |
| JP3372482B2 (en) | Transmissive liquid crystal display | |
| CN200952669Y (en) | LED lamp and radiating module fast assembling structure | |
| CN216083346U (en) | Novel backlight LED module | |
| CN1567064A (en) | Backlight module | |
| CN213750493U (en) | Optical engine and projection equipment | |
| CN210166617U (en) | Novel LCD projector | |
| CN211578272U (en) | LED spliced screen display device | |
| CN201429765Y (en) | LED radiating structure of LCOS projector | |
| CN109375420A (en) | Backlight module | |
| TWI339294B (en) | Bottom lighting type backlight module |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |