CN202349918U - Back frame and backlight system - Google Patents
Back frame and backlight system Download PDFInfo
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- CN202349918U CN202349918U CN2011204635975U CN201120463597U CN202349918U CN 202349918 U CN202349918 U CN 202349918U CN 2011204635975 U CN2011204635975 U CN 2011204635975U CN 201120463597 U CN201120463597 U CN 201120463597U CN 202349918 U CN202349918 U CN 202349918U
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Abstract
The utility model provides a back frame of a flat panel display device. The back frame comprises at least two main splicing members which are connected in a splicing mode. The at least two main splicing members comprise a main splicing member used for bearing a light source, and a heat dissipation fin assembly is installed on the main splicing member used for bearing the light source. The utility model further provides a backlight system. According to the back frame and the backlight system, the back frame mold is simple in structure, the cost of the back frame mold can be reduced, and materials of the back frame can be saved, so that the cost of the flat panel display device is reduced; and the heat dissipation of the light source is facilitated simultaneously.
Description
Technical field
The utility model relates to the Display Technique field, particularly relates to a kind of back of the body frame and back light system of panel display apparatus.
Background technology
Liquid crystal indicator comprises preceding frame, panel and module backlight in the prior art, and module wherein backlight comprises back of the body frame, reflector plate, LGP and lamp group etc.
At present, multiple size of display panels is arranged to satisfy people's different demands on the market.For example in TV domain, the size of liquid crystal panel comprises 31.5,42,46,48 or 55 cun, and different back of the body frame moulds need be set according to the liquid crystal panel of different size.
See also Fig. 1, Fig. 1 is the back of the body mount structure sketch map of liquid crystal indicator in the prior art.As shown in Figure 1, back of the body frame 10 all adopts all-in-one-piece back of the body frame in the prior art, produces all-in-one-piece back of the body frame 10 through metal stamping or plastics injection system usually, and all-in-one-piece back of the body frame 10 needs to consume too much material, and material cost is high.Large-sized in addition back of the body frame 10 needs to use bigger pressing equipment, and the die size of back of the body frame 10 correspondences is very big, complex structure, and the cost of back of the body frame mould is high.Therefore the back of the body frame cost of prior art is high.
The utility model content
The technical problem that the utility model mainly solves provides a kind of back of the body frame and back light system, can reduce material cost and die cost, is beneficial to the heat radiation of light source.
For solving the problems of the technologies described above, the technical scheme that the utility model adopts is: a kind of back of the body frame of panel display apparatus is provided, and back of the body frame comprises at least two main splices, and at least two main splices connect with the splicing form; Comprise the main splice that is used to carry light source at least two main splices, the main splice that is used to carry light source is provided with the radiating fin group.
Wherein, the radiating fin group is arranged at the side of the main splice that is used to carry light source, and the bearing of trend of radiating fin group is parallel to the plane, place of carrying on the back frame.
Wherein, bearing of trend is towards the inboard or the outside of back of the body frame.
Wherein, the radiating fin group is arranged at the side of the main splice that is used to carry light source, and the bearing of trend of radiating fin group is perpendicular to the plane, place of back of the body frame.
Wherein, the radiating fin group with removably be fixed in the main splice that is used to carry light source or with the moulding of main splice integrated punching.
Wherein, back of the body frame comprises the heat radiation aluminium extruded between light source and main splice thereof.
Wherein, At least two main splices comprise the first main splice and the second main splice of mutual splicing; Wherein an end surfaces of the first main splice is provided with spaced stitching section on the length direction of at least two edges first main splice; The first main splice connects through an end matching of one of which stitching section and the corresponding second main splice, with the main frame of the back of the body frame that forms different size.
Wherein, the stitching section is the shape that is provided with on the first main splice surface and the adaptive recess of an end of the second main splice, to accommodate an end of the second main splice.
Wherein, The concave bottom of the first main splice is provided with first through hole; The relevant position of the second main splice is provided with second through hole, and back of the body frame comprises fixture, and fixture passes first through hole and second through hole with the first main splice and the second main splice splicing.
Wherein, The stitching section is the recess that is provided with on the first main splice surface; One end surfaces of the second main splice is provided with the spaced convexity that is provided with on the second main splice length direction of at least two edges, and one of them protruding recess that embeds is to splice the first main splice and the second main splice.
Wherein, back of the body frame comprises the 3rd main splice and the 4th main splice; The said first main splice, the second main splice, the 3rd main splice and the 4th main splice are all vertical bar shaped, and the head and the tail splicing, with the rectangle main frame around the said back of the body frame of formation.
Wherein, back of the body frame comprises the auxilliary splice that is arranged in the main frame, auxilliary splice and main frame splicing.
Wherein, Auxilliary splice comprises the first auxilliary splice and the second auxilliary splice; The two ends of the first auxilliary splice respectively with the first main splice, the second main splice, the 3rd main splice and the 4th main splice at least two main splices splicings, the two ends of the second auxilliary splice respectively with the first main splice, the second main splice, the 3rd main splice and the 4th main splice at least two main splices splicings.
Wherein, the two ends of the first auxilliary splice respectively with the first main splice, the second main splice splicing of adjacent setting, splice with the 3rd main splice of adjacent setting, the 4th main splice at the two ends of the second auxilliary splice; Or splice with the first main splice that is oppositely arranged, the 3rd main splice respectively at the two ends of the first auxilliary splice; The two ends of the second auxilliary splice and the first main splice that is oppositely arranged, the 3rd main splice splicing laterally arrange between the second main splice, the 4th main splice, the first auxilliary splice and the second auxilliary splice.
Wherein, back of the body frame comprises at least one support, be removably fixed in one of the first main splice, the second main splice, the 3rd main splice, the 4th main splice, the first auxilliary splice and second auxilliary splice or more than, support is provided with convex closure.
For solving the problems of the technologies described above, the technical scheme that the utility model adopts is: a kind of back light system is provided, and back light system comprises light source, even optical mechanism and back of the body frame; Back of the body frame carries light source and even optical mechanism, and back of the body frame is above-mentioned back of the body frame.
The beneficial effect of the utility model is: the situation that is different from prior art; Back of the body frame of the utility model and back light system are through being provided with minimum two main splices; At least two main splices are connected with the splicing form; Wherein, have at least two main splices to be used to carry light source, the main splice that carries light source is provided with the radiating fin group.By the way, can make the mould structure of back of the body frame simple, reduce the cost of back of the body frame mould, and save the material of back of the body frame,, simultaneously, be beneficial to the heat radiation of light source to reduce the production cost of panel display apparatus.
Description of drawings
Fig. 1 is the back of the body mount structure sketch map of liquid crystal indicator in the prior art;
Fig. 2 is the structural representation according to the panel display apparatus of the utility model first embodiment;
Fig. 3 is the structural representation according to the back of the body frame of the panel display apparatus of the utility model second embodiment;
Fig. 4 is the structural representation according to the back of the body frame of the panel display apparatus of the utility model the 3rd embodiment;
Fig. 5 is the structural representation according to the back of the body frame of the panel display apparatus of the utility model the 4th embodiment;
Fig. 6 is the structural representation according to the connecting method in the panel display apparatus of the utility model the 5th embodiment;
Fig. 7 is arranged on the sketch map on the main frame according to the auxilliary splice diagonal angle of first in the panel display apparatus of the utility model the 6th embodiment;
Fig. 8 is according to the auxilliary splice of first in the panel display apparatus of the utility model the 7th embodiment and the second auxilliary sketch map of splice on main frame;
Fig. 9 is the structural representation according to stitching section in the back of the body frame of a kind of panel display apparatus of the utility model the 8th embodiment;
Figure 10 is the schematic cross-section of first embodiment of stitching section among Fig. 9;
Figure 11 is the sketch map according to the connecting method of stitching section in the back of the body frame of a kind of panel display apparatus of the utility model the 9th embodiment;
Figure 12 is the sketch map according to the connecting method of stitching section in the back of the body frame of a kind of panel display apparatus of the utility model the tenth embodiment;
Figure 13 is the sketch map according to the connecting method of stitching section in the back of the body frame of a kind of panel display apparatus of the utility model the 11 embodiment;
Figure 14 is the structural representation according to stitching section in the back of the body frame of a kind of panel display apparatus of the utility model the 12 embodiment;
Figure 15 is the structural representation according to stitching section in the back of the body frame of a kind of panel display apparatus of the utility model the 13 embodiment;
Figure 16 is the flow chart of method of making the back of the body frame of panel display apparatus according to the utility model the 14 embodiment a kind of;
Figure 17 is a kind of structural representation with panel display apparatus of touch-screen according to the utility model the 15 embodiment;
Figure 18 is the structural representation according to the 3 d display device of the utility model the 16 embodiment;
Figure 19 is the structural representation according to the plasma display system of the utility model the 17 embodiment;
Figure 20 is according to the light source of the panel display apparatus of the utility model the 18 embodiment and the decomposing schematic representation of radiating fin;
Figure 21 is according to the light source of the panel display apparatus of the utility model the 19 embodiment and the decomposing schematic representation of radiating fin;
Figure 22 is according to the light source of the panel display apparatus of the utility model the 20 embodiment and the assembling sketch map of radiating fin;
Figure 23 is the schematic perspective view of radiating fin first embodiment among Figure 21;
Figure 24 is the schematic perspective view of radiating fin second embodiment among Figure 21.
The specific embodiment
See also Fig. 2-3, Fig. 2 is the structural representation according to the panel display apparatus of the utility model first embodiment, and Fig. 3 is the structural representation according to first embodiment of the back of the body frame of the panel display apparatus of the utility model second embodiment.As shown in Figure 2, the panel display apparatus 20 of present embodiment comprises: back light system 21 and display floater 22, back light system 21 is arranged at the back side of display floater 22, and for display floater 22 light source is provided.
In the present embodiment, back light system 21 comprises light source 25, even optical mechanism 24 and back of the body frame 23.Wherein, back of the body frame 23 carries light source 25 and even optical mechanism 24.When back light system 21 was side-light type, even optical mechanism 24 was LGPs; When back light system 21 was straight-down negative, even optical mechanism 24 was diffuser plates.Back of the body frame 23 comprises at least the first main splice and the second main splice, and first, second two main splices form the main frame 27 of carrying on the back frame 23 at least.
Consult Fig. 3 together, first embodiment of back of the body frame 23 comprises the first main splice 261 and the second main splice 262.One end matching of one end of the first main splice 261 and the second main splice 262 connects, and the other end splicing of the other end of the first main splice 261 and the second main splice 262 is to form the main frame 27 of back of the body frame 23.The first main splice 261 and the second main splice 262 are aluminum component or galvanized steel parts.In the present embodiment, the first main splice 261 and the second main splice 262 are L shaped.
Consult Fig. 4 together, second embodiment of back of the body frame 23 comprises first main splice 281, second main splice 282 and the 3rd main splice 283.Three main splices 281,282 and 283 are spliced to form the main frame 27 of back of the body frame 23.Three main splices 281,282 and 283 are aluminum component or galvanized steel parts.In the present embodiment, the first main splice 281 is L shaped, and second and third splice 282,283 is vertical bar shaped.
In addition, back of the body frame 23 can also comprise and is arranged in the main frame 27 and the auxilliary splices of splicing with it.
Below specify the back of the body frame 23 of the utility model panel display apparatus 20 with the auxilliary splice of four main splices and two.
See also Fig. 5, Fig. 5 is according to the structural representation of the back of the body frame of the panel display apparatus of the utility model the 4th embodiment.As shown in Figure 5, carry on the back frame 23 in the present embodiment and comprise: first main splice 231, second main splice the 232, the 3rd main splice the 233, the 4th main splice 234, first auxilliary splice 235, second auxilliary splice 236 and the support 2371,2372,2373,2374,2375,2376 and 2377.First main splice 231, second main splice the 232, the 3rd main splice 233 and the 4th main splice 234 are spliced to form the rectangle main frame 27 of back of the body frame 23 through head and the tail.The first auxilliary splice 235 and the second auxilliary splice 236 are arranged in the main frame 27 as auxilliary splice, and splice with main frame 27.
Particularly; One end matching of one end of the first main splice 231 and the second main splice 232 connects; One end matching of the other end of the second main splice 232 and the 3rd main splice 233 connects; One end matching of the other end of the 3rd main splice 233 and the 4th main splice 234 connects, and the other end splicing of the other end of the 4th main splice 234 and the first main splice 231 is to form rectangular main frame 27.Wherein, first main splice 231, second main splice the 232, the 3rd main splice 233 and the 4th main splice 234 are aluminum component or galvanized steel parts.In the present embodiment; First main splice 231, second main splice the 232, the 3rd main splice 233 and the 4th main splice 234 are vertical bar shaped; In other embodiments; Those skilled in the art can all be set to first main splice 231, second main splice the 232, the 3rd main splice 233 and the 4th main splice 234 L shaped fully, or part is set to vertical bar shaped, remaining be set to L shaped.For example, in Fig. 3, the first main splice 261 and the second main splice 262 all are set to L shaped; In Fig. 4, the first main splice 281 is set to L shaped, and second and third main splice 282 and 283 is set to vertical bar shaped.
In the present embodiment, the back of the body frame 23 of panel display apparatus 20 all adopts the splicing connected mode to splice fixing.As shown in Figure 6; Connecing mode in succession with an end matching of the end of the first main splice 231 and the second main splice 232 is example; One end matching of the second main splice 232 is connected on the end of the first main splice 231; Such as, adopt be spirally connected, modes such as snapping or welding are connected on an end matching of the second main splice 232 on the end of the first main splice 231.
In the present embodiment, the first auxilliary splice 235 and the second auxilliary splice 236 are arranged in the main frame 27 of back of the body frame 23.One end of the first auxilliary splice 235 and first main splice 231 splicings; The other end of the first auxilliary splice 235 and the 3rd main splice 233 splicings; One end of the second auxilliary splice 236 and first main splice 231 splicings; The other end of the second auxilliary splice 236 and the 3rd main splice 233 splicings, and laterally arrange between second main splice the 232, the 4th main splice 234, the first auxilliary splice 235 and the second auxilliary splice 236.In other embodiments, those skilled in the art are provided with at least one auxilliary splice in main frame 27, and the first auxilliary splice 235 for example only is set in main frame 27.In addition; The two ends of the first auxilliary splice 235 can be respectively with first main splice 231, second main splice the 232, the 3rd main splice 233 and the 4th main splice 234 at least two main splices splicings; For example first auxilliary splice 235 diagonal angles are arranged in the main frame 27, and are as shown in Figure 7.In like manner can know, the two ends of the second auxilliary splice 236 can also be respectively with first main splice 231, second main splice the 232, the 3rd main splice 233 and the 4th main splice 234 at least two main splices splicings.For example; The two ends of the first auxilliary splice 235 respectively with first main splice 231, second main splice 232 splicings of adjacent setting; The two ends of the second auxilliary splice 236 respectively with the 3rd main splice the 233, the 4th main splice 234 splicings of adjacent setting, as shown in Figure 8.
In the present embodiment, back of the body frame 23 comprises seven supports 2371,2372,2373,2374,2375,2376 and 2377.Wherein, Support 2371 is fixed on the 4th main splice 234; Support 2372,2373 is individually fixed on the first auxilliary splice 235; Support 2374 is fixed on the second auxilliary splice 236, and support 2375 is fixed on the second main splice 232, and the two ends of support 2376,2377 are individually fixed on the first auxilliary splice 235 and the second auxilliary splice 236.In fact, support can be fixed in one of the first main splice, 231, second main splice the 232, the 3rd main splice the 233, the 4th main splice 234, the first auxilliary splice 235 and second auxilliary splice 236 or more than.In other embodiments, those skilled in the art can be provided with the support of other quantity fully at the back of the body on the frame 23, such as a support or more than.In addition, support can dismantle be fixed in one of the first main splice, 231, second main splice the 232, the 3rd main splice the 233, the 4th main splice 234, the first auxilliary splice 235 and second auxilliary splice 236 or more than.
On support 2371,2372,2373,2374,2375,2376 and 2377, be equipped with convex closure (not indicating), back of the body frame 23 can be through devices such as this convex closure fixing circuit boards.
Below further specify above-mentioned back of the body frame 23 corresponding moulds.In the present embodiment, the first main splice 231 and the 3rd main splice 233 measure-alike, shape is identical, uses identical mould punching press to make.Second main splice the 232, the 4th main splice 234, the first auxilliary splice 235 and second is assisted the measure-alike of splice 236, and shape is identical, uses identical mould punching press to make, and realizes that mould is shared.Therefore, the back of the body frame 23 of the utility model can make through using the punching press of two kinds of small size moulds, and back of the body frame 10 needs the large scale mould in the prior art, and the mould structure of the back of the body frame 23 of the utility model is simple and little, and then reduces the cost of back of the body frame 23 moulds.In addition, the back of the body frame 23 of the utility model can significantly be saved material, to reduce the production cost of panel display apparatus 20 with respect to the integral body back of the body frame of back of the body frame 10 in the prior art.
See also Fig. 9, Fig. 9 is the structural representation according to stitching section in the back of the body frame of a kind of panel display apparatus of the utility model the 8th embodiment.As shown in Figure 9, in the present embodiment, an end of the first main splice is provided with two stitching sections, and an end of the structure of stitching section and the corresponding second main stitching section is adaptive, so that an end matching of the first main splice and the corresponding second main splice connects.
Particularly; One end of the first main splice 231 is provided with stitching section 2311,2312; Stitching section 2311,2312 is along being spaced on the length direction of the first main splice 231; Stitching section the 2311, the 2312nd is at the shape of first main splice 231 settings and the adaptive recess of an end of the second main splice 232, to accommodate an end of the second main splice 232.Shown in figure 10, stitching section 2311,2312 is the recess of the relative two sides of an end of not running through the first main splice 231, recess be shaped as rectangle, the second main splice 232 is a vertical bar shaped.
When assembly unit large-size back of the body frame 23, at first select the stitching section 2311 of the end of the contiguous first main splice 231, and select the second main splice 232 of respective widths.End with the second main splice 232 is arranged on the recess of stitching section 2311 subsequently.Subsequently through be spirally connected, mode such as snapping or welding connects an end matching of the second main splice 232 and is fixed on the stitching section 2311.When assembly unit reduced size back of the body frame 23, at first select stitching section 2312, and select the second main splice 232 of respective widths away from the end of the first main splice 231.End with the second main splice 232 is arranged on the recess of stitching section 2312 subsequently.Subsequently through be spirally connected, mode such as snapping or welding connects an end matching of the second main splice 232 and is fixed on the stitching section 2312.On concrete; For example be provided with convexity in the surperficial relevant position of the second main splice 232; Wherein the convexity of the second main splice 232 embeds the recess of first main splice 231 opposite positions, and is to splice the first main splice 231 and the second main splice 232, shown in figure 11.In addition, an end of the said second main splice 232 can be provided with spaced convexity on second main splice 232 length directions of at least two edges, such as two, three or four etc.
Further, the recess of the first main splice 231 is the recess of multi-ladder structure, and second main splice 232 opposite positions are provided with the protuberance with the adaptive multi-ladder structure of recess, and are shown in figure 12.In addition; Shown in figure 13, be example with stitching section 2311, the concave bottom of the first main splice 231 is provided with first through hole 2313; The second main splice 232 is provided with second through hole 2321 corresponding to the position of stitching section 2311; Back of the body frame 23 further comprises fixture 240, and fixture 240 passes first through hole 2313 and second through hole 2321, so that the first main splice 231 and the second main splice 232 are spliced.
Like Figure 14, in another embodiment of the back of the body frame of the utility model panel display apparatus, the recess shapes of the stitching section 2311,2312 of the first main splice 231 is circular.But in other embodiments, those skilled in the art can be arranged to other polygonal shapes such as triangle with the shape of recess fully.
Like Figure 15, in another embodiment of the back of the body frame of the utility model panel display apparatus, stitching section 2311,2312 is for the recess of the relative both sides of running through the first main splice 231, so that an end of the second main splice 232 moves on stitching section 2311,2312.Such as the end at the second main splice 232 pass stitching section 2312 and splicing fixing after, can cut and pass part, and then regulate the length of the second main splice 232 the time as back of the body frame master splice.
In utility model, the two ends of the other end of the first main splice 231 and the 3rd main splice 233 are equipped with two stitching sections, and its structure is identical with the structure of stitching section 2311,2312.That is to say that the first main splice is provided with at least two stitching sections, gives unnecessary details no longer one by one at this.
In sum, the first main splice of the back of the body frame 23 of the utility model is provided with at least two stitching sections, according to user's request the quantity of stitching section is set, and chooses two stitching sections 2311,2312 in the present embodiment and describes.Therefore, when the mould of back of the body frame 23 is set, two groups of moulds only need be set, promptly the mould of the mould of the first main splice and the second main splice is provided with a plurality of stitching sections obtain various sizes with splicing back of the body frame 23 on the first main splice.When assembly unit back of the body frame 23; Can be according to the size of back of the body frame 23; Select corresponding stitching section; Through the stitching section the second main splice is spliced on the stitching section of the first main splice, and other stitching sections in the stitching position outside that is positioned at the second main splice in the first main splice are cut, to obtain the back of the body frame 23 of required size.With respect to the back of the body frame 10 according to different size in the prior art different back of the body frame moulds are set; The back of the body frame 23 of the panel display apparatus of the utility model only need be provided with the mould of the first main splice and the mould of the second main splice 28; It is shared that the mould of various sizes product requirement is satisfied in realization; And mould structure is simple, can reduce the cost of back of the body frame mould.
The utility model also provides a kind of mould of making the back of the body frame of panel display apparatus; The mould of this back of the body frame is provided with the master pattern of the main splice that is used to form back of the body frame, and master pattern is provided with the sub patterns that is used for forming at an end of main splice at least two stitching sections.Wherein, main splice is the above-mentioned first main splice and the second main splice, corresponding above-mentioned master pattern; The stitching section is the stitching section of the above-mentioned first main splice, and corresponding above-mentioned sub patterns repeats no more at this.
Shown in figure 16, the utility model also provides a kind of method of making the back of the body frame of panel display apparatus, and this method may further comprise the steps:
Step 501 is made at least two main splices of back of the body frame, comprises the main splice that is used to carry light source at least two main splices, and the main splice that is used to carry light source is provided with the radiating fin group;
Step 502 is spliced at least two main splices.
Wherein, The step of making at least two main splices of back of the body frame comprises: make first, second two main splices at least; Wherein an end of the first main splice is provided with at least two stitching sections, and the structure of each stitching section and corresponding second main splice one end are adaptive.
The step that at least two main splices are spliced comprises: connect according to a stitching section of at least two stitching sections of size Selection of carrying on the back frame and an end matching of the corresponding second main splice.
In the present embodiment; When having other stitching sections between the adjacent end portion of the stitching position of the second main splice and the first main splice; Before or after the step that the end matching according to a stitching section and the corresponding second main splice of at least two stitching sections of size Selection of back of the body frame connects, other stitching sections outside the stitching position that is positioned at the second main splice in the first main splice are cut.Wherein the first main splice is the above-mentioned first main splice, and the second main splice is the above-mentioned second main splice, repeats no more at this.
Shown in figure 17, the panel display apparatus 20 of the utility model further comprises a touch-screen 29, and touch-screen 29 is arranged on the exiting surface of display floater 22 of panel display apparatus 20.Wherein, panel display apparatus 20 comprises: back light system 21 and above-mentioned display floater 22, back light system 21 is arranged at the back side of display floater 22, and for display floater 22 light source is provided.
Back light system 21 comprises light source 25, even optical mechanism 24 and back of the body frame 23.Wherein, back of the body frame 23 carries light source 25 and even optical mechanism 24.When back light system 21 was side-light type, even optical mechanism 24 was LGPs; When back light system 21 was straight-down negative, even optical mechanism 24 was diffuser plates.Back of the body frame 23 comprises at least the first main splice and the second main splice, and first, second two main splices form the main frame 27 of carrying on the back frame 23 at least.
Panel display apparatus 20 that it should be noted that the utility model can be liquid crystal indicator or liquid crystal TV set.
The utility model also provides a kind of 3 d display device 30, and is shown in figure 18, and 3 d display device 30 comprises liquid crystal lens grating 31, back light system 32 and display floater 33.Wherein, liquid crystal lens grating 31 is arranged on the exiting surface of display floater 33.Back light system 32 is the back light system of above-mentioned each embodiment, comprises back of the body frame 23 such as back light system 32.Wherein, back of the body frame 23 comprises at least the first main splice and the second main splice, and first, second two main splices form the main frame of carrying on the back frame at least, repeat no more at this.
The utility model also provides a kind of plasma display system 40, and is shown in figure 19, and plasma display system 40 comprises Plasmia indicating panel 41 and back of the body frame 42, and back of the body frame 42 is arranged on the back side of Plasmia indicating panel 41.Wherein, back of the body frame 42 is the back of the body frame of above-mentioned each embodiment, also repeats no more at this.
The utility model also provides a kind of light source heat radiation mode that is applicable to above-mentioned each embodiment.Shown in figure 20, splice 61,62,63 and 64 is the main splice among above-mentioned each embodiment.Wherein, the side that is used to carry the main splice 61 of light source 65 is provided with radiating fin group 611, and the bearing of trend of radiating fin group 611 is parallel to the plane, place of carrying on the back frame.
In the present embodiment, extend the support or oppose inboard of frame of radiating fin group 611, and light source 65 is arranged on the L type heat radiation aluminium extruded 66, and L type heat radiation aluminium extruded 66 is arranged on the main splice 61.The heat that light source 65 sends conducts to radiating fin group 611 through L type heat radiation aluminium extruded 66 with main splice 61 respectively, in air, transmits heat through radiating fin group 611 bigger area of dissipations.Carry out identical setting in addition, with on another main splice 63 that main splice 61 parallels.
Because the setting of radiating fin group 611 has made full use of the hollow space in the back of the body frame, can not increase the volume of entire backlight system, play the effect that improves radiating effect simultaneously again.
In another embodiment, extend in the support or oppose outside of frame of radiating fin group.Light source is arranged on the L type heat radiation aluminium extruded, and L type heat radiation aluminium extruded is arranged on the main splice.The heat that light source sends conducts to the radiating fin group through L type heat radiation aluminium extruded and main splice respectively, and the area of dissipation bigger through the radiating fin group transmits heat in air.
Shown in figure 21, the side that is used to carry the main splice 71 of light source 75 is provided with radiating fin group 711, and the bearing of trend of radiating fin group 711 is perpendicular to the plane at back of the body frame place, and the reverse side of the frame of supporting or opposing extends.
Shown in figure 22, Figure 22 is the assembling sketch map of light source 75 and radiating fin group 711 among Figure 21.
Figure 23 is the schematic perspective view of radiating fin among Figure 21, and is as shown in the figure, and radiating fin group 711 and main splice 71 are one-body molded.
In another embodiment, shown in figure 24, radiating fin group 811 is spliced on main splice 81.Radiating fin group 811 can be made separately, and is fixed on the main splice 81 with removably, makes radiating fin group 811 to disassemble from main splice 81.
Certainly, the bearing of trend of this radiating fin group can be perpendicular to the plane, place of back of the body frame, and extend in the front of the frame of supporting or opposing.Be embodied as, be used to carry light source the side of main splice be provided with the radiating fin group, the bearing of trend of radiating fin group is perpendicular to the plane, place of back of the body frame, and the reverse side of the frame of supporting or opposing extends.Light source is arranged on the L type heat radiation aluminium extruded, and L type heat radiation aluminium extruded is arranged on the main splice.The heat that light source sends conducts to the radiating fin group through L type heat radiation aluminium extruded and main splice respectively, and the area of dissipation bigger through the radiating fin group transmits heat in air.
In the foregoing description, the radiating fin group can be fixed in the main splice that is used to carry light source with removably, also can with the moulding of main splice integrated punching.Light source can be arranged on the back of the body frame or be set directly on the main splice.
In the above-described embodiments, the radiating fin group is arranged on the corresponding main splice, makes light source to dispel the heat, and select suitable highly heat-conductive material can further guarantee to improve the job stability of power supply such as aluminium extruded through the radiating fin group.
By the way, the back of the body frame mould of the utility model panel display apparatus, 3 d display device and plasma display system is simple in structure, reduces the cost of back of the body frame mould, and saves the material of back of the body frame, to reduce the cost of panel display apparatus.
The above is merely the embodiment of the utility model; Be not thus the restriction the utility model claim; Every equivalent structure or equivalent flow process conversion that utilizes the utility model specification and accompanying drawing content to be done; Or directly or indirectly be used in other relevant technical fields, all in like manner be included in the scope of patent protection of the utility model.
Claims (16)
1. the back of the body frame of a panel display apparatus is characterized in that:
Said back of the body frame comprises at least two main splices, and said at least two main splices connect with the splicing form;
Comprise the main splice that is used to carry light source in said at least two main splices, the said main splice that is used to carry light source is provided with the radiating fin group.
2. back of the body frame according to claim 1 is characterized in that:
Said radiating fin group is arranged at the side of the main splice that is used to carry light source, and the bearing of trend of radiating fin group is parallel to the plane, place of carrying on the back frame.
3. back of the body frame according to claim 2 is characterized in that:
Said bearing of trend is towards the inboard or the outside of back of the body frame.
4. back of the body frame according to claim 1 is characterized in that:
Said radiating fin group is arranged at the side of the main splice that is used to carry light source, and the bearing of trend of radiating fin group is perpendicular to the plane, place of back of the body frame.
5. back of the body frame according to claim 1 is characterized in that:
Said radiating fin group with removably be fixed in the main splice that is used to carry light source or with the moulding of said main splice integrated punching.
6. back of the body frame according to claim 1 is characterized in that:
Said back of the body frame comprises the heat radiation aluminium extruded between light source and main splice thereof.
7. according to each described back of the body frame of claim 1 to 6, it is characterized in that:
Said at least two main splices comprise the first main splice and the second main splice of mutual splicing; Wherein an end surfaces of the first main splice is provided with spaced stitching section on the length direction of at least two edges first main splice; The said first main splice connects through an end matching of one of which stitching section and the corresponding second main splice, with the main frame of the said back of the body frame that forms different size.
8. back of the body frame according to claim 7 is characterized in that:
Said stitching section is the shape that is provided with on the first main splice surface and the adaptive recess of an end of the second main splice, to accommodate an end of the second main splice.
9. back of the body frame according to claim 7 is characterized in that:
The concave bottom of the said first main splice is provided with first through hole; The relevant position of the said second main splice is provided with second through hole; Said back of the body frame comprises fixture, and said fixture passes first through hole and second through hole with the first main splice and the second main splice splicing.
10. back of the body frame according to claim 7 is characterized in that:
Said stitching section is the recess that is provided with on the first main splice surface; One end surfaces of the said second main splice is provided with the spaced convexity that is provided with on the second main splice length direction of at least two edges; One of them said protruding recess that embeds is to splice the said first main splice and the second main splice.
11. back of the body frame according to claim 7 is characterized in that:
Said back of the body frame comprises the 3rd main splice and the 4th main splice; The said first main splice, the second main splice, the 3rd main splice and the 4th main splice are all vertical bar shaped, and the head and the tail splicing, with the rectangle main frame around the said back of the body frame of formation.
12. back of the body frame according to claim 11 is characterized in that:
Said back of the body frame comprises the auxilliary splice that is arranged in the main frame, said auxilliary splice and main frame splicing.
13. back of the body frame according to claim 12 is characterized in that:
Said auxilliary splice comprises the first auxilliary splice and the second auxilliary splice; The two ends of the said first auxilliary splice respectively with the first main splice, the second main splice, the 3rd main splice and the 4th main splice at least two main splices splicings, the two ends of the said second auxilliary splice respectively with the first main splice, the second main splice, the 3rd main splice and the 4th main splice at least two main splices splicings.
14. back of the body frame according to claim 13 is characterized in that:
The two ends of the said first auxilliary splice respectively with the first main splice, the second main splice splicing of adjacent setting, splice with the 3rd main splice of adjacent setting, the 4th main splice at the two ends of the second auxilliary splice;
Or the two ends of the said first auxilliary splice are spliced the two ends of the second auxilliary splice and the first main splice that is oppositely arranged, the 3rd main splice splicing respectively with the first main splice that is oppositely arranged, the 3rd main splice;
Laterally arrange between the said second main splice, the 4th main splice, the first auxilliary splice and the second auxilliary splice.
15. back of the body frame according to claim 13 is characterized in that:
Said back of the body frame comprises at least one support, be removably fixed in one of the said first main splice, the second main splice, the 3rd main splice, the 4th main splice, the first auxilliary splice and second auxilliary splice or more than, said support is provided with convex closure.
16. a back light system is characterized in that:
Said back light system comprises light source, even optical mechanism and back of the body frame;
Said back of the body frame carries said light source and even optical mechanism, and said back of the body frame is each described back of the body frame among the claim 1-6.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011204635975U CN202349918U (en) | 2011-11-18 | 2011-11-18 | Back frame and backlight system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011204635975U CN202349918U (en) | 2011-11-18 | 2011-11-18 | Back frame and backlight system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202349918U true CN202349918U (en) | 2012-07-25 |
Family
ID=46538920
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011204635975U Expired - Lifetime CN202349918U (en) | 2011-11-18 | 2011-11-18 | Back frame and backlight system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202349918U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102401332A (en) * | 2011-11-18 | 2012-04-04 | 深圳市华星光电技术有限公司 | Back frame, manufacturing method thereof and backlight system |
| CN102853408A (en) * | 2012-10-18 | 2013-01-02 | 深圳市华星光电技术有限公司 | Heat radiating element, manufacturing method thereof and backlight module |
| WO2014056273A1 (en) * | 2012-10-09 | 2014-04-17 | 深圳市华星光电技术有限公司 | Back plate and backlight module using same and liquid crystal display device |
-
2011
- 2011-11-18 CN CN2011204635975U patent/CN202349918U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102401332A (en) * | 2011-11-18 | 2012-04-04 | 深圳市华星光电技术有限公司 | Back frame, manufacturing method thereof and backlight system |
| WO2014056273A1 (en) * | 2012-10-09 | 2014-04-17 | 深圳市华星光电技术有限公司 | Back plate and backlight module using same and liquid crystal display device |
| CN102853408A (en) * | 2012-10-18 | 2013-01-02 | 深圳市华星光电技术有限公司 | Heat radiating element, manufacturing method thereof and backlight module |
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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 | ||
| CX01 | Expiry of patent term |
Granted publication date: 20120725 |