CN202349895U - Back frame and backlight system - Google Patents

Abstract

The utility model provides a back frame of a panel display device, which comprises at least two main splicing pieces which are spliced to form a main frame of the back frame. The main splicing pieces at different positions of the main frame are made of different materials according to practical applications, at least two main splicing pieces are connected through the splice fit of corresponding splicing portions, and at least one of the splicing portions of the main splicing pieces is provided with a reinforcing structure. A backlight system is further provided. According to the back frame and the backlight system, the back frame is simple in structure, the cost of a back frame mould is reduced, materials of the back frame are saved, the cost of the panel display device is reduced, the intensity of the splice positions of the back frame is increased, and further, the intensity of the whole back frame is enabled to meet the requirement.

Description

Back of the body frame and back light system

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.

In addition, module backlight often uses aluminium or galvanized steel plain sheet as former material, through striking out all-in-one-piece backboard.Wherein, aluminium has better radiating effect, helps improving the life-span of product; The galvanized steel plain sheet radiating effect is relatively poor relatively, and price is also relatively cheap a lot.In the cost of backboard, the proportion that the cost of raw material accounts for is maximum, if backboard all uses aluminum, cost is too high, and structural strength is relatively poor; All use galvanized steel plain sheet, it is bad to dispel the heat, and reduces properties of product.Therefore, how to guarantee product quality and save material cost, so that reduce the entire product cost becomes needs solution in the prior art major issue.

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, and can improve the intensity of back of the body frame jointing positions.

For solving the problems of the technologies described above; The technical scheme that the utility model adopts is: the back of the body frame that a kind of panel display apparatus is provided; It comprises at least two main splices; Comprise the main splice that is used to be provided with pyrotoxin at least two main splices, the main splice that is used to be provided with pyrotoxin has first capacity of heat transmission, at least two main splices all the other be not used in that pyrotoxin is set or more than main splice have second capacity of heat transmission; First capacity of heat transmission is greater than second capacity of heat transmission; At least two main splices include the stitching section, and the splicing through corresponding stitching section of at least two main splices cooperates and connects; The stitching section of one of them said main splice is provided with the reinforcement structure.

According to the utility model one preferred embodiment, the main splice that is used to be provided with pyrotoxin has first intensity, at least two main splices all the other be not used in that pyrotoxin is set or more than main splice have second intensity, second intensity is greater than first intensity.

According to the utility model one preferred embodiment, the main splice with first capacity of heat transmission and first intensity is an aluminum component, and said main splice with second capacity of heat transmission and second intensity is a galvanized steel parts.

According to the utility model one preferred embodiment, the cross section of each main splice in the stitching section is broken line shape, and to form said reinforcement structure, broken line shape comprises at least two continuous line segments, and the reinforcement structure of two main splices is concavo-convex stacked; The broken line shape of strengthening structure is rectangle, trapezoidal, swallow-tail form, T shape, inverted T-shaped, taper, cross, fork-shaped or grid-shaped.

According to the utility model one preferred embodiment, the cross section of each main splice in the stitching section is arc, form to strengthen structure, and the reinforcement structure of two main splices is concavo-convex stacked; The arc of strengthening structure is one or above single-curvature, hyperbolicity or multi-curvature arc.

According to the utility model one preferred embodiment; 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.

According to the utility model one preferred embodiment, 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.

According to the utility model one preferred embodiment; The stitching section is the recess that is provided with on the first main splice surface; One end surfaces relevant position of the second main splice is provided with along spaced convexity on the second main splice length direction; The protruding recess that embeds is to splice the said first main splice and the second main splice.

According to the utility model one preferred embodiment, back of the body frame comprises the 3rd main splice and the 4th main splice; The first main splice, the second main splice, the 3rd main splice and the 4th main splice are spirally connected from beginning to end, snapping or welding, with the main frame of the rectangle that forms back of the body frame.

According to the utility model one preferred embodiment; Back of the body frame comprises the auxilliary splice that is arranged in the main frame; Auxilliary splice and main frame splicing; 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 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.

According to the utility model one preferred embodiment, 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 the two ends of the 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.

According to the utility model one preferred embodiment; 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 it 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 each back of the body frame.

Wherein, pyrotoxin is a light source; Light source is a led light source, and between the main splice of led light source and carrying led light source, is provided with heat conductive silica gel.

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 at least two main splices; Wherein be provided with pyrotoxin main splice the capacity of heat transmission greater than all the other be not used in that pyrotoxin is set or more than main splice; Require to select material different in view of the above, guarantee the demand of heat radiation when reducing material cost; In addition; Wherein the first main splice is provided with at least two stitching sections; The first main splice connects through an end matching of one of which stitching section and the corresponding second main splice, so that the mould structure of back of the body frame is simple, reduces the cost of back of the body frame mould; And save the material of back of the body frame, to reduce the production cost of panel display apparatus; In addition, further the reinforcement structure is set, can improves the intensity of back of the body frame jointing positions, and then make back of the body frame integral intensity reach requirement through stitching position at main splice.

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 schematic cross-section according to two main splice jointing positions 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 that utilizes different stitching sections to splice in the back of the body frame according to a kind of panel display apparatus of the utility model the 13 embodiment;

Figure 16 is the structural representation according to the back of the body frame of the panel display apparatus of the utility model the 14 embodiment;

Figure 17 is the structural representation according to the panel display apparatus of the utility model the 15 embodiment;

Figure 18 is that structural representation is strengthened in the stitching section of back of the body frame shown in Figure 3;

Figure 19 is the enlarged diagram of stitching section first embodiment of main splice shown in Figure 180 along the cross section of A-A ' direction;

Figure 20 is the enlarged diagram of stitching section second embodiment of main splice shown in Figure 180 along the cross section of A-A ' direction;

Figure 21 is the enlarged diagram of stitching section the 3rd embodiment of main splice shown in Figure 180 along the cross section of A-A ' direction;

Figure 22 is the enlarged diagram of stitching section the 4th embodiment of main splice shown in Figure 180 along the cross section of A-A ' direction;

Figure 23 is the enlarged diagram of stitching section the 5th embodiment of main splice shown in Figure 180 along the cross section of A-A ' direction;

Figure 24 is the enlarged diagram of stitching section the 6th embodiment of main splice shown in Figure 180 along the cross section of A-A ' direction;

Figure 25 is the enlarged diagram of stitching section the 7th embodiment of main splice shown in Figure 180 along the cross section of A-A ' direction;

Figure 26 is the enlarged diagram of stitching section the 8th embodiment of main splice shown in Figure 180 along the cross section of A-A ' direction;

Figure 27 is the enlarged diagram of stitching section the 9th embodiment of main splice shown in Figure 180 along the cross section of A-A ' direction;

Figure 28 is the enlarged diagram of stitching section the tenth embodiment of main splice shown in Figure 180 along the cross section of A-A ' direction;

Figure 29 is another structural representation of the reinforcement structure of back of the body frame shown in Figure 180;

Figure 30 is the structural representation according to the back of the body frame of the panel display apparatus of the utility model the 16 embodiment;

Figure 31 is the flow chart of method of making the back of the body frame of panel display apparatus according to the utility model the 17 embodiment a kind of;

Figure 32 is a kind of structural representation with panel display apparatus of touch-screen according to the utility model the 18 embodiment;

Figure 33 is the structural representation according to the 3 d display device of the utility model the 19 embodiment;

Figure 34 is the structural representation according to the plasma display system of the utility model the 20 embodiment.

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, the 3rd 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.One end matching of one end of the first main splice 281 and the second main splice 282 connects, and an end matching of the other end of the second main splice 282 and the 3rd main splice 283 connects, the other end splicing of the other end of the 3rd main splice 283 and the first main splice 281.

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 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.

See also Fig. 6, Fig. 6 is the schematic cross-section according to two main splice jointing positions in the panel display apparatus of the utility model the 5th embodiment.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.

See also Fig. 7, 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.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.

See also Fig. 8, 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.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.

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 surfaces of the first main splice 231 is provided with stitching section 2311,2312 at least; 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.

Referring to Figure 10, Figure 10 is the schematic cross-section of first embodiment of stitching section among Fig. 9.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.

See also Figure 11, 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.Shown in figure 11; Carry on the back the optional of frame 23 sizes on the other direction for making things convenient for; 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, to splice the first main splice 231 and the second main splice 232.In addition, can be provided with spaced convexity on second main splice 232 length directions of at least two edges on the end surfaces of the said second main splice 232, such as two, three or four etc.

Further, shown in figure 12, Figure 12 is the signal 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.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.

In addition, shown in figure 13, 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.With stitching section 2311 is example; 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, 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.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, Figure 15 is the structural representation that utilizes different stitching sections to carry out in the back of the body frame according to a kind of panel display apparatus of the utility model the 13 embodiment.In the present embodiment, stitching section 2311,2312 is the recess that runs through the relative both sides of 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, thereby obtain the back of the body frame of different size as back of the body frame master splice.

In practical application, 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; And at the two ends of the second main splice 232 and the two ends of the 4th main splice 234, corresponding to condition of different, also correspondingly design or do not design, such as:

1) first kind of situation; Shown in figure 10; Any design can not be carried out at the two ends of the two ends of the second main splice 232 and the 4th main splice 234, and promptly the end is identical with the structure at other positions, when at this time splicing in the different stitching sections 2311 (2312) of selecting first main splice 231 1 ends (other end is handled equally); If the width respective change of wanting to carry on the back frame 23, the length of the then corresponding second main splice 232 and the 4th main splice 234 is also done corresponding selection.That is,, then the second main splice 232 and the 4th main splice 234 are not carried out cutting, or the part that crops is shorter if splice the stitching section 2311 of contiguous first main splice 231 1 ends of choosing; If when selecting to splice away from the stitching section 2312 of first main splice 231 1 ends; Then the second main splice 232 and the 4th main splice 234 are all carried out cutting; According to the distance of stitching section distance first main splice 231 1 ends, the part that crops is also long or shorter;

2) second kind of situation; Similar aforementioned first kind of situation; Shown in figure 11, only the second main splice 232 comes to cooperate with the first main splice 231 and the 3rd main splice 233 respectively with different convexities with the 4th main splice 234, realizes the change width of back of the body frame 23; Equally, when splicing, after splicing or before the splicing, second main splice 232 that has more and the 4th main splice 234 parts are carried out cutting as if selection other stitching sections 2312 except that leaving the first nearest stitching section 2311 of first main splice 231 1 ends.

Above situation also is applicable to only splices with two L shaped main splices and obtains carrying on the back the main frame 27 of frame 23.

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; 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.

See also Figure 16-17, Figure 16 is the structural representation according to the back of the body frame of the panel display apparatus of the utility model the 14 embodiment, and Figure 17 is according to the structural representation of the panel display apparatus of the utility model the 15 embodiment.Be example with four main splices and two auxilliary splices below, the back of the body frame 23 that the utility model panel display apparatus 20 is described when main splice is provided with pyrotoxin, different on material is selected of this main splice and other splice that pyrotoxin is not set.

In four main splices and two the auxilliary splices; Comprise the main splice that is used to be provided with pyrotoxin at least two main splices; The main splice that is used to be provided with pyrotoxin has first capacity of heat transmission, at least two main splices all the other be not used in that pyrotoxin is set or more than main splice have second capacity of heat transmission; Wherein, first capacity of heat transmission is greater than second capacity of heat transmission.

Pyrotoxin can be the electronic device of Light-Emitting Diode (LED), printed circuit board (pcb) or other heatings, is example herein with LED.The parameter that characterizes the capacity of heat transmission can be a thermal conductivity factor, the thermal conductivity factor that is to say the main splice that is arranged at pyrotoxin greater than all the other be not used in that pyrotoxin is set or more than the thermal conductivity factor of main splice.

The main splice that is used to be provided with pyrotoxin has first intensity, at least two main splices all the other be not used in that pyrotoxin is set or more than main splice have second intensity, second intensity is greater than first intensity.

Main splice with first capacity of heat transmission and first intensity is an aluminum component, and the main splice with second capacity of heat transmission and second intensity is a galvanized steel parts.Certainly, except aluminum component, what heat-sinking capability was higher can also be copper spare, magnesium alloy or open-cell foam aluminium alloy etc.; And except galvanized steel parts, what intensity was high can also be biochip or tinplate etc.

The back of the body frame of forming with the auxilliary splice of four main splices and two more below is an example; Form back of the body frame like main splice 291, second main splice the 292, the 3rd main splice the 293, the 4th main splice 294, the first auxilliary splice 295 of Figure 16-17, the first and the second auxilliary splice 296.The main splice that pyrotoxin 25 wherein is set is the second main splice 292 and the 4th main splice 294; The second main splice 292 and the 4th main splice 294 are made by aluminum component M1, and other first main splice the 291, the 3rd main splice 293, the first auxilliary splice 295 and second auxilliary splice 296 that pyrotoxin 25 is not set is made by galvanized steel parts M2.

In addition, the main splice that is used to be provided with pyrotoxin also can be range upon range of ground floor and second layer structure, the wherein contiguous pyrotoxin setting of ground floor, and the capacity of heat transmission of ground floor is greater than the capacity of heat transmission of the second layer.

The contiguous pyrotoxin setting of ground floor, the material of ground floor can be selected the material of the capacity of heat transmission greater than the second layer, and for example ground floor is an aluminum component, perhaps copper spare, magnesium alloy or open-cell foam aluminium alloy etc., the second layer is a galvanized steel parts, perhaps biochip, tinplate etc.Certainly, the main splice that pyrotoxin 25 is set can be to have only one deck, and material is with the material of above-mentioned ground floor.

Aluminum component, copper spare etc. have better radiating effect, help improving the life-span of product; Radiating effects such as galvanized steel plain sheet are relatively poor, but price is relatively cheap, and intensity is higher.In the cost of back of the body frame, the proportion that the cost of raw material accounts for is maximum.If back of the body frame all uses aluminum component etc. to have the material of better radiating effect, cost is too high, and structural strength is relatively poor; All use the relatively poor materials of radiating effect such as galvanized steel plain sheet, it is bad then to dispel the heat, and reduces properties of product.Therefore in practical application as required, the each several part of diverse location uses number of various materials, such as aluminum component and galvanized steel plain sheet collocation, can make minimumization of product cost, guarantees simultaneously to dispel the heat and intensity satisfies the demands.Reduce material cost, thereby reduce product cost.Certainly, above-mentioned splice is various embodiment on material is selected, and is applicable to too and adopts two L type master splices to splice the situation that obtains main frame.

Present embodiment also is provided with in the stitching section of splice and strengthens structure so that back of the body frame integral intensity reaches requirement except the each several part at diverse location uses number of various materials to reduce cost.

See also Figure 18, Figure 18 is to be the reinforcement structural representation of example explanation stitching section with back of the body frame shown in Figure 3.In the present embodiment; The first main splice 261 comprises stitching section 2611; The second main splice 262 comprises stitching section 2621; In the first main splice 261 and the second main splice 262 at least one is provided with in its stitching section strengthens structure (indicating), promptly at least in the stitching section 2611 or stitching section 2621 be provided with the reinforcement structure.

Continue to consult Figure 18; Stitching section 2611 and stitching section 2621 are broken line shape along the cross section of A-A ' direction; Strengthen structure to form; Broken line shape comprises at least two continuous line segments; Such as the broken line shape of strengthening structure is rectangle (shown in figure 19, as wherein to be the concavo-convex stacked structure of two reinforcement structures in the dashed line view), trapezoidal (shown in figure 20), swallow-tail form (shown in figure 21), inverted T-shaped (shown in figure 22), taper (shown in figure 23), corrugated (shown in figure 24) or grid-shaped (shown in figure 25), can also be T shape, cross or fork-shaped etc.Concavo-convex stacked between the reinforcement structure of the reinforcement structure of the stitching section 2611 of the first main splice 261 and the stitching section 2621 of the second main splice 262.

Perhaps, stitching section 2611 and stitching section 2621 are arc along the cross section of A-A ' direction, strengthen structure to form.When cross section was arc, arc was one or above single-curvature (shown in figure 26), hyperbolicity (shown in figure 27) or multi-curvature arc (shown in figure 28).Concavo-convex stacked between the reinforcement structure of the reinforcement structure of the stitching section 2611 of the first main splice 291 and the stitching section 2621 of the second main splice 262.

Certainly formation reinforcement structure is not limited only to this along the shape of the cross section of A-A ' direction, as long as can strengthen the intensity of stitching section.And; It should be noted that; Among all embodiment of the stitching section of Figure 19-main splice shown in Figure 28; The shape and two of reinforcement structure that reinforcement structure and the stitching section 2621 of stitching section 2611 are shown except that Figure 19 is strengthened the concavo-convex stacked structure of structures, all the other all only illustrate stitching section 2611 or stitching section 2621 one of them the reinforcement structure shape and and not shown its concavo-convex stacked structure.

Consult Figure 29, Figure 29 is another structural representation of the reinforcement structure of back of the body frame shown in Figure 180.It is 2621 to be provided with another structural representation of strengthening structure in the stitching section.This reinforcement structure is a flaggy 2623, and this flaggy 2623 is the thickenings to stitching section 2621, and stitching section 2611 is stacked with stitching section 2621.

Each embodiment of it should be noted that aforementioned reinforcement structure also is applicable to the following embodiment that respectively carries on the back frame, back light system or panel display apparatus.

In sum, the utility model provides the back of the body frame of another kind of panel display apparatus.See also Figure 30, Figure 30 is the structural representation according to the back of the body frame of the panel display apparatus of the utility model the 16 embodiment.Shown in figure 30; The main frame of back of the body frame is spliced to form by first main splice 301, second main splicing fitting the 302, the 3rd main splice 303 and the 4th main splice 304 head and the tail; The first auxilliary splice 305 and second auxilliary splice 306 splicings are in main frame, and main splice includes the stitching section, is example with the stitching section 3011 of the first main splice and the stitching section 3041 of the 4th main splice; Splicing cooperation through corresponding stitching section connects, and the stitching section is provided with the reinforcement structure.Back of the body frame is provided with the second main splice 302 and the 4th main splice 304 that is used to be provided with pyrotoxin; The second main splice 302 and the 4th main splice 304 that are used to be provided with pyrotoxin have first capacity of heat transmission; All the other are not used in and the pyrotoxin first main splice 301 are set and the 3rd main splice 303 has second capacity of heat transmission, and first capacity of heat transmission is greater than second capacity of heat transmission.

Back of the body frame described in the present embodiment can adopt the spliced back of the body frame of aforementioned arbitrary embodiment; Strengthen the reinforcement structure that structure also can adopt aforementioned arbitrary embodiment to describe; In addition; Present embodiment uses material different according to practical application in different splice sections, has reduced material cost, and can improve the intensity of back of the body frame jointing positions.

The utility model also provides a kind of method of making the back of the body frame of panel display apparatus, sees also Figure 31, and Figure 31 is the flow chart of method of making the back of the body frame of panel display apparatus according to the utility model the 17 embodiment a kind of.This method may further comprise the steps:

Step 501: make at least two main splices; Comprise the main splice that is used to be provided with pyrotoxin in said at least two main splices; The said main splice that is used to be provided with pyrotoxin has first capacity of heat transmission; In said at least two main splices all the other be not used in that pyrotoxin is set or more than main splice have second capacity of heat transmission, said first capacity of heat transmission is greater than second capacity of heat transmission; Said at least two main splices include the stitching section, and in one of them said stitching section at least the reinforcement structure are set.

Step 502: utilize said stitching section that at least two main splices are spliced.

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.

See also Figure 32, Figure 32 is a kind of structural representation with panel display apparatus of touch-screen according to the utility model the 18 embodiment.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.Light source is a led light source, and between the main splice of said led light source and carrying led light source, is provided with heat conductive silica gel.

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, sees also Figure 33, and Figure 33 is the structural representation according to the 3 d display device of the utility model the 19 embodiment.Shown in figure 33,3 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, sees also shown in Figure 34ly, and Figure 34 is the structural representation according to the plasma display system of the utility model the 20 embodiment.Shown in figure 34, 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.

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; Through the reinforcement structure being set, can improving the intensity of back of the body frame jointing positions, and then make back of the body frame integral intensity reach requirement at main splice stitching position.

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 (14)

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; Comprise the main splice that is used to be provided with pyrotoxin in said at least two main splices; The said main splice that is used to be provided with pyrotoxin has first capacity of heat transmission; In said at least two main splices all the other be not used in that pyrotoxin is set or more than main splice have second capacity of heat transmission, said first capacity of heat transmission is greater than second capacity of heat transmission;

Said at least two main splices include the stitching section, and said at least two main splices connect through the splicing cooperation of corresponding stitching section;

The stitching section of one of them said main splice is provided with the reinforcement structure.

2. back of the body frame according to claim 1 is characterized in that:

The said main splice that is used to be provided with pyrotoxin has first intensity, in said at least two main splices all the other be not used in that pyrotoxin is set or more than main splice have second intensity, said second intensity is greater than first intensity.

3. back of the body frame according to claim 2 is characterized in that:

Said main splice with first capacity of heat transmission and first intensity is an aluminum component, and said main splice with second capacity of heat transmission and second intensity is a galvanized steel parts.

4. back of the body frame according to claim 1 is characterized in that:

The cross section of each said main splice in the stitching section is broken line shape; To form said reinforcement structure; Said broken line shape comprises at least two continuous line segments; And the reinforcement structure of said two main splices is concavo-convex stacked, and the broken line shape of said reinforcement structure is rectangle, trapezoidal, swallow-tail form, T shape, inverted T-shaped, taper, cross, fork-shaped or grid-shaped.

5. back of the body frame according to claim 1 is characterized in that:

The cross section of each said main splice in the stitching section is arc, forms said reinforcement structure, and the reinforcement structure of said two main splices is concavo-convex stacked, and the arc of said reinforcement structure is one or above single-curvature, hyperbolicity or multi-curvature arc.

6. according to each described back of the body frame of claim 1 to 5, 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.

7. back of the body frame according to claim 6 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.

8. back of the body frame according to claim 6 is characterized in that:

Said stitching section is the recess that is provided with on the first main splice surface; One end surfaces relevant position of the said second main splice is provided with along spaced convexity on the second main splice length direction; The said protruding recess that embeds is to splice the said first main splice and the second main splice.

9. back of the body frame according to claim 6 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 spirally connected from beginning to end, snapping or welding, with the main frame of the rectangle that forms said back of the body frame.

10. back of the body frame according to claim 9 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; 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.

11. back of the body frame according to claim 10 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.

12. back of the body frame according to claim 11 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.

13. 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 1-5, and said pyrotoxin is a light source.

14. back light system according to claim 13 is characterized in that:

Said light source is a led light source, and between the main splice of said led light source and carrying led light source, is provided with heat conductive silica gel.

Images