WO2013071522A1 - 平板显示装置、立体显示装置以及等离子显示装置 - Google Patents

平板显示装置、立体显示装置以及等离子显示装置 Download PDF

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Publication number
WO2013071522A1
WO2013071522A1 PCT/CN2011/082632 CN2011082632W WO2013071522A1 WO 2013071522 A1 WO2013071522 A1 WO 2013071522A1 CN 2011082632 W CN2011082632 W CN 2011082632W WO 2013071522 A1 WO2013071522 A1 WO 2013071522A1
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WIPO (PCT)
Prior art keywords
assembling piece
primary assembling
primary
piece
splicing
Prior art date
Application number
PCT/CN2011/082632
Other languages
English (en)
French (fr)
Inventor
郭仪正
萧宇均
黄冲
程加河
阙成文
李全
杨流洋
Original Assignee
深圳市华星光电技术有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
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Application filed by 深圳市华星光电技术有限公司 filed Critical 深圳市华星光电技术有限公司
Priority to US13/381,901 priority Critical patent/US20130128155A1/en
Publication of WO2013071522A1 publication Critical patent/WO2013071522A1/zh

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    • G—PHYSICS
    • G02—OPTICS
    • G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
    • G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour 
    • G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour  based on liquid crystals, e.g. single liquid crystal display cells
    • G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
    • G02F1/1333—Constructional arrangements; Manufacturing methods
    • G02F1/133308—Support structures for LCD panels, e.g. frames or bezels
    • G—PHYSICS
    • G02—OPTICS
    • G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
    • G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour 
    • G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour  based on liquid crystals, e.g. single liquid crystal display cells
    • G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
    • G02F1/1333—Constructional arrangements; Manufacturing methods
    • G02F1/133308—Support structures for LCD panels, e.g. frames or bezels
    • G02F1/133314—Back frames
    • G—PHYSICS
    • G02—OPTICS
    • G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
    • G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour 
    • G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour  based on liquid crystals, e.g. single liquid crystal display cells
    • G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
    • G02F1/1333—Constructional arrangements; Manufacturing methods
    • G02F1/133308—Support structures for LCD panels, e.g. frames or bezels
    • G02F1/133328—Segmented frames

Definitions

  • the present invention relates to the field of display technologies, and in particular, to a flat panel display device, a stereoscopic display device, and a plasma display device.
  • the liquid crystal display device of the prior art includes a front frame, a panel, and a backlight module.
  • the backlight module includes a back frame, a reflective sheet, a light guide plate, a light group, and the like.
  • the size of the liquid crystal panel includes 31.5, 42 , 46, 48 or 55 inches, you need to set different back frame molds according to different size LCD panels.
  • FIG. 1 is a schematic structural diagram of a back frame of a liquid crystal display device in the prior art.
  • the prior art back frame 10 The monolithic back frame is usually used to produce the integral back frame 10 by metal stamping or plastic injection.
  • the integral back frame 10 requires excessive material consumption and high material cost.
  • the large size of the back frame 10 Larger punching equipment is required, and the corresponding mold of the back frame 10 is large in size, complicated in structure, and high in cost of the back frame mold. Therefore, the back frame of the prior art is costly.
  • the backlight module often uses aluminum or galvanized steel as a raw material, and is stamped into a monolithic back sheet.
  • aluminum has a better heat dissipation effect, which is beneficial to improve the life of the product; the heat dissipation effect of the galvanized steel plate is relatively poor, and the price is relatively cheaper.
  • the cost of the backboard the cost of raw materials accounts for the largest proportion. If the backsheet is entirely made of aluminum, the cost is too high and the structural strength is poor. All the galvanized steel sheets are used, which is not good in heat dissipation and reduces product performance. Therefore, how to ensure product quality and save material cost in order to reduce the overall product cost has become an important problem to be solved in the prior art.
  • the technical problem to be solved by the present invention is to provide a flat panel display device, a stereoscopic display device, and a plasma display device, which can reduce material cost and mold cost, and can realize adjustment of the back frame bracket.
  • a technical solution adopted by the present invention is to provide a flat panel display device including a backlight system and a display panel;
  • the backlight system includes a light source, a light homogenizing mechanism, and a back frame;
  • the back frame carries the light source and the light homogenizing mechanism
  • the light homogenizing mechanism introduces light from the light source into the display panel;
  • the back frame includes a primary assembling piece, a secondary assembling piece, and an adjustable bracket; the number of the primary assembling pieces is at least two, and at least two primary assembling pieces are spliced The connection is performed, and the auxiliary splicing piece is spliced with the main splicing piece; at least two main splicing pieces include a main splicing piece for setting a heat source, and the main splicing piece for setting the heat source has the first heat conduction capability, and at least two main splicing pieces The other one or more primary assembling pieces not used for setting the heat source have the second heat conducting capability; the
  • the primary assembling piece for setting the heat source has a first strength, and the remaining one or more of the at least two primary assembling pieces not used for setting the heat source has a second intensity, the second intensity Greater than the first intensity.
  • the primary splice member having the first thermal conductivity and the first strength is an aluminum member
  • the primary splice member having the second thermal conductivity and the second strength is a galvanized steel member
  • At least two through holes are disposed on the bracket at intervals along the longitudinal direction of the bracket, and the back frame further includes a fixing member, and the fixing member may be disposed in any one of the at least two through holes, and the bracket is Fixed to the splicing piece.
  • a strip-shaped through hole is disposed on the bracket along the length direction of the bracket, and the back frame further includes a fixing member, and the fixing member can be disposed at different positions in the strip-shaped through hole, and the bracket is fixed to the assembling piece. on.
  • the bracket includes at least two bracket assemblies, at least two of which are spliced to form a bracket, wherein at least one of the bracket assemblies can be secured to at least two different positions of the other bracket assembly along the length of the bracket.
  • At least two through holes are disposed on the other bracket assembly at intervals along the longitudinal direction of the bracket, and the bracket further includes a fixing member, and the fixing member may be disposed in any one of the at least two through holes, and Attaching another bracket assembly to at least one bracket assembly.
  • another bracket assembly is provided with a strip-shaped through hole along the length direction of the bracket, the bracket further includes a fixing member, the fixing member can be disposed at different positions in the strip-shaped through hole, and the other bracket The assembly is secured to at least one of the bracket assemblies.
  • the at least two primary assembling pieces comprise a first primary assembling piece and a second primary assembling piece which are mutually spliced, wherein one end surface of the first primary assembling piece is provided with at least two along the first primary assembling piece.
  • the joints are arranged at intervals in the longitudinal direction, and the first primary assembling piece is spliced with one end of the corresponding second primary assembling piece through a joint portion thereof to form a main frame of the back frame of different sizes.
  • the joint portion is a recess provided on a surface of the first primary assembling piece and adapted to an end of the second primary assembling piece to receive one end of the second primary assembling piece.
  • the joint portion is a concave portion provided on the surface of the first primary assembling piece, and the end surface of the second primary assembling piece is provided with protrusions arranged at intervals along the length direction of the second primary assembling piece, and convex. Embedding a recess to splicing the first primary splicing piece and the second primary splicing piece.
  • the back frame includes a third primary assembling piece and a fourth primary assembling piece; the first primary assembling piece, the second primary assembling piece, the third primary assembling piece, and the fourth primary assembling piece are screwed end to end, Fastened or welded to form the rectangular main frame of the back frame.
  • the back frame includes a secondary splicing piece disposed in the main frame, and the auxiliary splicing piece is spliced with the main frame.
  • the auxiliary assembling piece includes a first auxiliary assembling piece and a second auxiliary assembling piece, and two ends of the first auxiliary assembling piece are respectively combined with the first primary assembling piece, the second primary assembling piece, and the third primary assembling piece.
  • splicing at least two splicing members in the fourth main splicing piece, the two ends of the second auxiliary splicing piece are respectively in the first main splicing piece, the second main splicing piece, the third main splicing piece and the fourth main splicing piece At least two primary splices are spliced.
  • the two ends of the first auxiliary assembling piece are respectively spliced with the first primary assembling piece and the second primary assembling piece disposed adjacently, and the two ends of the second auxiliary assembling piece are adjacent to the third set adjacent to each other.
  • the main splicing piece and the fourth main splicing piece are spliced; or the two ends of the first auxiliary splicing piece are respectively spliced with the first main splicing piece and the third main splicing piece, and the two ends of the second auxiliary splicing piece are oppositely disposed
  • the first primary assembling piece and the third primary assembling piece are spliced.
  • the flat panel display device includes a touch screen disposed on the light emitting surface of the display panel.
  • the present invention adopts a technical solution to provide a stereoscopic display device including a liquid crystal lens grating, a backlight system, and a display panel, wherein the liquid crystal lens grating is disposed on a light emitting surface of the display panel;
  • the utility model comprises a light source, a light homogenizing mechanism and a back frame;
  • the back frame carries a light source and a light homogenizing mechanism, and the light homogenizing mechanism introduces light from the light source into the light incident surface of the display panel;
  • the back frame comprises a main assembling piece, a auxiliary assembling piece and an adjustable bracket
  • the number of the main splicing parts is at least two, at least two main splicing pieces are connected in a splicing manner, the auxiliary splicing pieces are spliced with the main splicing piece, and at least two main splicing pieces include a main splicing piece for setting a heat source.
  • the primary splicing member for setting the heat source has a first heat conduction capability, and the other one of the at least two primary splicing members not used for setting the heat source has a second heat conduction capability; the first heat conduction capability is greater than the second heat conduction capability
  • the bracket is fixed on the main splicing piece or the auxiliary splicing piece, or is fixed on the main splicing piece and the auxiliary splicing piece at the same time, wherein the bracket and the main splicing piece Alternatively a fixed point between the secondary assembling piece or member is provided with at least two, so that the holder is optionally arranged at different positions of the back frame.
  • the primary assembling piece comprises a first primary assembling piece, a second primary assembling piece, a third primary assembling piece and a fourth primary assembling piece, a first primary assembling piece, a second primary assembling piece, a third primary assembling piece and a fourth
  • the primary splicing pieces are spliced to form a main frame of the back frame.
  • a technical solution adopted by the present invention is to provide a plasma display device including a plasma display panel and a back frame, the back frame being disposed on the back of the plasma display panel; the back frame including the main splicing piece and the auxiliary splicing And the adjustable bracket; the number of the primary assembling pieces is at least two, at least two primary assembling pieces are connected in a splicing manner, the auxiliary assembling pieces are spliced with the primary assembling piece; at least two primary assembling pieces are included for setting heat The primary splicing component of the source, the primary splicing component for setting the heat source has the first heat conduction capability, and the other one of the at least two primary splicing components not used for setting the heat source has the second heat conduction capability; the first heat conduction The capability is greater than the second heat conduction capability; the bracket is fixed on the primary assembling piece or the auxiliary assembling piece, or is fixed on the primary assembling piece and the auxiliary assembling piece at the same time
  • the primary assembling piece comprises a first primary assembling piece, a second primary assembling piece, a third primary assembling piece and a fourth primary assembling piece, a first primary assembling piece, a second primary assembling piece, a third primary assembling piece and a fourth
  • the primary splicing pieces are spliced to form a main frame of the back frame.
  • the invention has the beneficial effects that the flat frame display device, the stereoscopic display device and the back frame of the plasma display device of the present invention are provided with a minimum of two primary assembling pieces, wherein the primary assembling piece of the heat source is disposed, different from the prior art.
  • the thermal conductivity is greater than the remaining one or more primary splicing components that are not used to set the heat source.
  • different materials are selected to reduce the material cost while ensuring the heat dissipation requirement; so that the mold structure of the back frame is simple, and the cost of the back frame mold is reduced. And save the material of the back frame to reduce the production cost of the flat panel display device.
  • the brackets are optionally disposed at different positions of the back frame, so that the same bracket can meet different installation requirements, and the production cost of the flat panel display device is further reduced.
  • FIG. 1 is a schematic structural view of a back frame of a liquid crystal display device in the prior art
  • FIG. 2 is a schematic structural view of a flat panel display device according to a first embodiment of the present invention
  • FIG. 3 is a schematic structural view of a back frame of a flat panel display device according to a second embodiment of the present invention.
  • FIG. 4 is a schematic structural view of a back frame of a flat panel display device according to a third embodiment of the present invention.
  • FIG. 5 is a schematic structural view of a back frame of a flat panel display device according to a fourth embodiment of the present invention.
  • FIG. 6 is a schematic cross-sectional view showing a splicing portion of two primary splicing members in a flat panel display device according to a fifth embodiment of the present invention.
  • FIG. 7 is a schematic view showing a first auxiliary splicing member diagonally disposed on a main frame in a flat panel display device according to a sixth embodiment of the present invention.
  • FIG. 8 is a schematic diagram of a first auxiliary assembling piece and a second auxiliary assembling piece on a main frame in a flat panel display device according to a seventh embodiment of the present invention.
  • FIG. 9 is a schematic structural view of a joint portion of a back frame of a flat panel display device according to an eighth embodiment of the present invention.
  • Figure 10 is a schematic cross-sectional view showing the first embodiment of the joint portion of Figure 9;
  • FIG. 11 is a schematic view showing a splicing manner of a splicing portion of a back frame of a flat panel display device according to a ninth embodiment of the present invention.
  • FIG. 12 is a schematic view showing a splicing manner of a splicing portion of a back frame of a flat panel display device according to a tenth embodiment of the present invention.
  • FIG. 13 is a schematic view showing a splicing manner of a joint portion of a back frame of a flat panel display device according to an eleventh embodiment of the present invention.
  • FIG. 14 is a schematic structural view of a joint portion of a back frame of a flat panel display device according to a twelfth embodiment of the present invention.
  • FIG. 15 is a schematic structural view of a back frame of a flat panel display device spliced by using different splicing portions according to a thirteenth embodiment of the present invention.
  • FIG. 16 is a schematic structural view of a back frame of a flat panel display device according to a fourteenth embodiment of the present invention.
  • Figure 17 is a schematic structural view of a flat panel display device according to a fifteenth embodiment of the present invention.
  • FIG. 18 is a partial structural schematic view of a back frame of a flat panel display device according to a sixteenth embodiment of the present invention.
  • Figure 19 is an enlarged schematic view showing the joint of the bracket assembly and the splicing member of the back frame shown in Figure 18;
  • Figure 20 is a cross-sectional view of the joint of the bracket assembly and the splicing member of the back frame shown in Figure 18;
  • Figure 21 is an enlarged schematic view showing the joint of another bracket assembly of the back frame shown in Figure 18 with another splicing member;
  • Figure 22 is a cross-sectional view showing the joint of another bracket assembly of the back frame shown in Figure 18 with another splicing member;
  • Figure 23 is an enlarged schematic view showing the joint of the two bracket assemblies of the back frame shown in Figure 18;
  • Figure 24 is a cross-sectional view of the junction of the two bracket assemblies of the back frame shown in Figure 18;
  • Figure 25 is a partial structural view showing the back frame of the flat panel display device according to the seventeenth embodiment of the present invention.
  • 26 is a schematic structural view of a back frame of a flat panel display device according to an eighteenth embodiment of the present invention.
  • Figure 27 is a flow chart showing a method of manufacturing a back frame of a flat panel display device according to a nineteenth embodiment of the present invention.
  • FIG. 28 is a schematic structural diagram of a flat panel display device with a touch screen according to a twentieth embodiment of the present invention.
  • 29 is a schematic structural diagram of a stereoscopic display device according to a twenty-first embodiment of the present invention.
  • Figure 30 is a schematic structural view of a plasma display device in accordance with a twenty-second embodiment of the present invention.
  • FIG. 2 is a schematic structural diagram of a flat panel display device according to a first embodiment of the present invention
  • FIG. It is a schematic structural view of a first embodiment of a back frame of a flat panel display device according to a second embodiment of the present invention.
  • the flat panel display device 20 of the present embodiment includes: a backlight system 21 and a display panel 22
  • the backlight system 21 is disposed on the back of the display panel 22 and provides a light source for the display panel 22.
  • the backlight system 21 includes a light source 25, a light homogenizing mechanism 24, and a back frame 23.
  • the back frame 23 The light source 25 and the light homogenizing mechanism 24 are carried.
  • the light homogenizing mechanism 24 is a light guide plate; when the backlight system 21 is of a direct type, the light homogenizing mechanism 24 is a diffusion plate.
  • Back frame 23 The at least first primary splicing member and the second primary splicing member are included, and at least the first and second primary splicing members form a main frame 27 of the back frame 23.
  • the first embodiment of the back frame 23 includes a first primary splice 261 and a second primary splice 262.
  • One end of the first primary assembling piece 261 is spliced with one end of the second primary assembling piece 262, and the other end of the first primary assembling piece 261 is spliced with the other end of the second primary assembling piece 262 to form the back frame 23
  • the main frame 27 .
  • the first primary splicing piece 261 and the second primary splicing piece 262 are both aluminum or galvanized steel.
  • the first primary assembling piece 261 and the second primary assembling piece 262 are L Shape.
  • the third embodiment of the back frame 23 includes a first primary assembling piece 281 and a second primary assembling piece 282. And a third primary splicing piece 283.
  • the three primary splices 281, 282, and 283 are joined to form the main frame 27 of the back frame 23.
  • Three primary splices 281, 282 and 283 are aluminum or galvanized steel.
  • One end of the first primary assembling piece 281 is spliced with one end of the second primary assembling piece 282, and the other end of the second primary assembling piece 282 and the third primary assembling piece 283
  • One end of the third primary assembling piece 283 is spliced to the other end of the first primary assembling piece 281.
  • the first primary assembling piece 281 is L-shaped, and the second and third assembling pieces 282, 283 are all straight.
  • the back frame 23 may further include a secondary splicing member disposed in the splicing frame 27 and spliced thereto.
  • the back frame 23 of the flat panel display device 20 of the present invention will be described in detail below with four primary splicing members and two secondary splicing members.
  • FIG. 5 is a schematic structural diagram of a back frame of a flat panel display device according to a fourth embodiment of the present invention.
  • the back frame 23 includes: a first primary assembling piece 231, a second primary assembling piece 232, a third primary assembling piece 233, a fourth primary assembling piece 234, and a first auxiliary assembling piece 235.
  • First primary assembling piece 231 The second primary assembling piece 232, the third primary assembling piece 233 and the fourth primary assembling piece 234 are formed by the end-to-end stitching to form the main frame 27 of the back frame 23.
  • first primary assembling piece 231 is spliced with one end of the second primary assembling piece 232, and the second primary assembling piece 232
  • the other end of the third primary assembling piece 233 is spliced with one end of the third primary assembling piece 233
  • the other end of the fourth primary assembling piece 234 is connected with the first primary assembling piece.
  • the other end of the 231 is spliced to form a rectangular main frame 27 .
  • the first primary assembling piece 231, the second primary assembling piece 232, the third primary assembling piece 233, and the fourth primary assembling piece 234 All are aluminum or galvanized steel.
  • the first primary assembling piece 231, the second primary assembling piece 232, the third primary assembling piece 233, and the fourth primary assembling piece 234 All of them are straight strips.
  • those skilled in the art can completely set the first primary assembling piece 231, the second primary assembling piece 232, the third primary assembling piece 233, and the fourth primary assembling piece 234 to L-shaped, or partially set to straight, the remaining settings are L-shaped.
  • the first primary assembling piece 261 and the second primary assembling piece 262 are all set to an L shape;
  • the first primary assembling piece 281 is set to an L shape, and the second and third primary assembling pieces 282 and 283 are set to a straight strip shape.
  • FIG. 6 It is a schematic cross-sectional view of a joint of two primary splicing members in a flat panel display device according to a fifth embodiment of the present invention.
  • the back frame 23 of the flat panel display device 20 is spliced and fixed by using a splicing connection.
  • one end of the first primary assembling piece 231 and one end of the second primary assembling piece 232 are spliced and connected, and one end of the second primary assembling piece 232 is spliced to the first primary assembling piece 231.
  • One end of the second primary assembling piece 232 is spliced on one end of the first primary assembling piece 231 by screwing, fastening or welding.
  • FIG. 7 It is a schematic diagram in which a first sub-assembler in a flat panel display device according to a sixth embodiment of the present invention is diagonally disposed on a main frame.
  • the first secondary assembling piece 235 and the second secondary assembling piece 236 are disposed on the back frame 23
  • the main frame 27 is inside.
  • One end of the first auxiliary assembling piece 235 is spliced with the first primary assembling piece 231, and the other end of the first auxiliary assembling piece 235 is spliced with the third primary assembling piece 233, and the second auxiliary assembling piece 236 is 236.
  • One end is spliced with the first primary assembling piece 231, the other end of the second secondary assembling piece 236 is spliced with the third primary assembling piece 233, and the second primary assembling piece 232 and the fourth primary assembling piece 234 are 234.
  • the first auxiliary assembling piece 235 and the second auxiliary assembling piece 236 are arranged in parallel.
  • those skilled in the art provide at least one secondary splicing within the main frame 27, such as in the main frame 27 Only the first auxiliary splicing piece 235 is set inside.
  • the two ends of the first auxiliary assembling piece 235 can be respectively associated with the first primary assembling piece 231, the second primary assembling piece 232, and the third primary assembling piece 233.
  • the fourth primary assembling piece 234 is spliced, for example, the first auxiliary assembling piece 235 is diagonally disposed in the main frame 27, as shown in FIG. Similarly, the second auxiliary assembling piece 236 The two ends of the first primary assembling piece 231, the second primary assembling piece 232, the third primary assembling piece 233 and the fourth primary assembling piece 234 may be respectively spliced.
  • FIG. 8 It is a schematic diagram of the first auxiliary assembling piece and the second auxiliary assembling piece on the main frame in the flat panel display device according to the seventh embodiment of the present invention.
  • the two ends of the first auxiliary assembling piece 235 are respectively disposed adjacent to the first primary assembling piece 231
  • the second primary assembling piece 236 is spliced, and the two ends of the second auxiliary assembling piece 236 are respectively spliced with the adjacent third primary assembling piece 233 and the fourth primary assembling piece 234.
  • the back frame 23 includes seven brackets 2371, 2372, 2373, 2374, 2375. , 2376 and 2377.
  • the bracket 2371 is fixed on the fourth primary assembling piece 234, and the brackets 2372 and 2373 are respectively fixed on the first auxiliary assembling piece 235, and the bracket is respectively fixed.
  • 2374 is fixed on the second auxiliary assembling piece 236, and the bracket 2375 is fixed on the second primary assembling piece 232, and the two ends of the brackets 2376 and 2377 are respectively fixed to the first auxiliary assembling piece 235 And the second auxiliary splicing piece 236.
  • the bracket can be fixed to the first primary assembling piece 231, the second primary assembling piece 232, the third primary assembling piece 233, the fourth primary assembling piece 234, and the first auxiliary assembling piece.
  • One or more of 235 and the second secondary splicing piece 236 can completely in the back frame 23 Set a different number of brackets, such as a bracket or more.
  • the bracket can be detachably fixed to the first primary assembling piece 231, the second primary assembling piece 232, the third primary assembling piece 233, and the fourth primary assembling piece 234.
  • One or more of the first auxiliary assembling piece 235 and the second auxiliary assembling piece 236 can be fixed to the first primary assembling piece 231, the second primary assembling piece 232, the third primary assembling piece 233, and the fourth primary assembling piece 234.
  • a convex hull (not shown) is disposed on the upper frame, and the back frame 23 can fix the circuit board and the like through the convex hull.
  • the first primary assembling piece 231 and the third primary assembling piece 233 The dimensions are the same, the shapes are the same, and they are stamped using the same mold.
  • the second primary assembling piece 232, the fourth primary assembling piece 234, the first auxiliary assembling piece 235 and the second auxiliary assembling piece 236 The dimensions are the same, the shapes are the same, and the same mold is used for stamping to achieve mold sharing. Therefore, the back frame 23 of the present invention can be produced by stamping using two small-sized molds, compared to the back frame 10 of the prior art.
  • the mold structure of the back frame 23 of the present invention is simple and small, thereby reducing the cost of the back frame 23 mold.
  • the back frame 23 of the present invention is compared to the back frame 10 of the prior art.
  • the overall back frame can greatly save materials to reduce the production cost of the flat panel display device 20.
  • FIG. 9 is a schematic structural diagram of a joint portion of a back frame of a flat panel display device according to an eighth embodiment of the present invention.
  • Figure 9 As shown in the embodiment, one end of the first primary assembling piece is provided with two joint portions, and the structure of the joint portion is matched with one end of the corresponding second main joint portion, so that the first primary assembling piece and the corresponding One end of the second primary assembling piece is spliced.
  • one end surface of the first primary assembling piece 231 is provided with at least a joint portion 2311, 2312, a joint portion 2311, 2312 are arranged along the length direction of the first primary assembling piece 231, and the joint portions 2311, 2312 are the shape of the first primary assembling piece 231 and the second primary assembling piece 232.
  • One end of the recess is adapted to receive one end of the second primary splicing member 232.
  • Fig. 10 is a schematic cross-sectional view showing the first embodiment of the joint portion of Fig. 9.
  • the joint 2311 2312 is a recess that does not penetrate the opposite ends of the first primary assembling piece 231.
  • the concave portion has a rectangular shape, and the second primary assembling piece 232 has a straight strip shape.
  • the second primary assembling piece 232 is placed on the concave portion of the joint portion 2312. Then the second primary assembling piece is screwed, buckled or welded One end of the 232 is spliced and fixed on the splicing portion 2312.
  • FIG. 11 It is a schematic diagram of a splicing manner of a splicing portion of a back frame of a flat panel display device according to a ninth embodiment of the present invention.
  • a protrusion As shown in Fig. 11, in order to facilitate the size of the back frame 23 in the other direction, for example, in the second primary assembling piece 232 The surface of the surface is provided with a protrusion, wherein the protrusion of the second primary assembling piece 232 is embedded in the corresponding position of the first primary assembling piece 231 to splicing the first primary assembling piece 231 and the second primary assembling piece 232 .
  • at least two protrusions such as two, three or four, may be disposed on one end surface of the second primary assembling piece 232 along the length direction of the second primary assembling piece 232.
  • Figure 12 It is a schematic diagram of a splicing manner of a splicing portion in a back frame of a flat panel display device according to a tenth embodiment of the present invention.
  • the concave portion of the first primary assembling piece 231 is a concave portion of a multi-step structure
  • the second primary assembling piece 232 The corresponding position is provided with a convex portion of a multi-step structure adapted to the recess.
  • Figure 13 It is a schematic diagram of a splicing manner of a splicing portion in a back frame of a flat panel display device according to an eleventh embodiment of the present invention.
  • the joint portion 2311 the bottom of the concave portion of the first primary assembling piece 231 is provided with a first through hole 2313.
  • the second main assembling piece 232 is provided with a second through hole 2321 corresponding to the joint portion 2311.
  • the back frame 23 further includes a fixing member 240, and the fixing member 240 passes through the first through hole. 2313 and a second through hole 2321 to splicing the first primary assembling piece 231 and the second primary assembling piece 232.
  • Figure 14 and Figure 14 It is a schematic structural view of a joint portion of a back frame of a flat panel display device according to a twelfth embodiment of the present invention.
  • the splice portion 2311 of the first main assembling member 231 is circular in shape.
  • those skilled in the art can completely set the shape of the recess to other polygonal shapes such as a triangle.
  • Figure 15 and Figure 15 A schematic structural view of a back frame of a flat panel display device according to a thirteenth embodiment of the present invention, which is spliced by using different splicing portions.
  • the splicing portions 2311, 2312 The recesses penetrating the opposite sides of the first primary assembling piece 231 are such that one end of the second primary assembling piece 232 moves on the joint portions 2311, 2312.
  • the through-out portion can be cut off, thereby adjusting the length of the second main splicing member 232 as the main splicing member of the back frame, thereby obtaining the back frame of different sizes.
  • the other end of the first primary assembling piece 231 and the third primary assembling piece 233 Both ends are provided with two splice portions, the structure of which is the same as that of the splice portions 2311, 2312; and at both ends of the second main splice member 232 and the fourth main splice member 234
  • the two ends correspond to different situations and are designed or not designed accordingly, such as:
  • both ends of the second primary assembling piece 232 and the fourth primary assembling piece 234 may be of no design, that is, the ends are identical in structure to the other parts, and at this time, the different splices 2311 (2312) at one end of the first main assembling piece 231 are selected.
  • the splicing is performed (the other end is also treated), if the width of the back frame 23 is changed correspondingly, the corresponding second primary splicing piece 232 and the fourth primary splicing piece 234 are respectively The length is also chosen accordingly.
  • the second primary splicing member 232 and the fourth primary splicing member 234 are not 234.
  • the cutting is performed, or the cut portion is shorter; if the splicing portion 2312 which is farther away from the end of the first primary assembling piece 231 is selected for splicing, then the second primary assembling piece 232 and the fourth primary assembling piece 234 are 234.
  • the cutting is performed, and the cut portion is longer or shorter according to the distance from the end of the first main assembling piece 231 of the joint portion;
  • the second case is similar to the first case described above, as shown in Fig. 11, except that the second primary assembling piece 232 and the fourth primary assembling piece are 234 is matched with the first primary assembling piece 231 and the third primary assembling piece 233 by different protrusions to realize the width variation of the back frame 23; likewise, if the first primary assembling piece is selected, the second primary assembling piece 231 is selected.
  • the other splicing portions 2312 other than the first splicing portion 2311 at one end are spliced, the second main splicing piece 232 and the fourth main splicing piece 234 are added after splicing or splicing. Part of the cropping.
  • the back frame 23 of the present invention The first primary assembling piece is provided with at least two splicing portions, and the number of the splicing portions is set according to the user's requirements.
  • two splicing portions 2311 and 2312 are selected for description. Therefore, in the back frame 23
  • only two sets of molds that is, the mold of the first primary assembling piece and the mold of the second primary assembling piece are disposed, and a plurality of joints are arranged on the first primary assembling piece to obtain the back frame 23 of various sizes. .
  • the back frame 23 When, according to the back frame 23 The size of the joint is selected, and the second primary assembling piece is spliced on the joint portion of the first primary assembling piece through the jointing portion, and the other of the first primary assembling piece is located outside the stitching position of the second primary assembling piece.
  • the splicing section is cut to obtain the back frame of the desired size twenty three .
  • the back frame 23 of the flat panel display device of the present invention only needs to be provided with the mold of the first primary assembling piece and the second primary assembling piece 28, as compared with the prior art, which is provided with different back frame molds according to different sizes of the back frame 10.
  • the mold realizes the mold sharing that meets the requirements of various sizes of products, and the mold structure is simple, which can reduce the cost of the back frame mold.
  • the invention also provides a mold for manufacturing a back frame of a flat panel display device, the mold of the back frame is provided with a main pattern of a main assembling piece for forming a back frame, and the main pattern is provided with a main body for forming at one end of the main assembling piece. a sub-pattern of at least two splices.
  • the primary splicing component is the first primary splicing component and the second primary splicing component, and corresponds to the above-mentioned main pattern; the splicing part is the splicing part of the first primary splicing component, corresponding to the above-mentioned sub-pattern, and details are not described herein again.
  • FIG. 16 is a schematic structural diagram of a back frame of a flat panel display device according to a fourteenth embodiment of the present invention
  • the back frame 23 of the flat panel display device 20 of the present invention will be described by taking four main assembling pieces and two auxiliary assembling pieces as an example.
  • the primary assembling piece is provided with a heat source
  • the primary assembling piece and other assembling pieces not provided with a heat source are different in material selection.
  • At least two primary assembling pieces include a primary assembling piece for setting a heat source, and the primary assembling piece for setting a heat source has a first heat conducting capability, at least two main The remaining one or more primary splicing members in the splicing member that are not used to set the heat generating source have a second heat conducting capability; wherein the first heat conducting capability is greater than the second heat conducting capability.
  • the heat source can be a light-emitting diode (LED), a printed circuit board (PCB) or other heat-generating electronic device, here LED
  • the parameter characterizing the thermal conductivity may be a thermal conductivity, that is, the thermal conductivity of the primary splice disposed on the heat source is greater than the thermal conductivity of one or more of the primary splices not used to set the heat source.
  • the primary assembling piece for setting the heat source has a first strength, and the remaining one or more of the at least two primary assembling pieces not used for setting the heat generating source has a second intensity, and the second intensity is greater than the first intensity.
  • the primary splicing member having the first thermal conductivity and the first strength is an aluminum member
  • the primary splicing member having the second thermal conductivity and the second strength is a galvanized steel member.
  • the higher heat dissipation capability can be copper parts, magnesium alloys or open foam aluminum alloys; in addition to galvanized steel parts, the high strength can also be organic sheets or tinplate.
  • the back frame consisting of four main splicing pieces and two auxiliary splicing pieces is taken as an example, as shown in Figure 16-17, the first main splicing piece 291
  • the second primary assembling piece 292, the third primary assembling piece 293, the fourth primary assembling piece 294, the first auxiliary assembling piece 295 and the second auxiliary assembling piece 296 form a back frame.
  • the heat source is set 25
  • the primary assembling piece is the second primary assembling piece 292 and the fourth primary assembling piece 294, and the second primary assembling piece 292 and the fourth primary assembling piece 294 are made of the aluminum piece M1, and the other heat source is not provided.
  • the first primary assembling piece 291, the third primary assembling piece 293, the first auxiliary assembling piece 295 and the second auxiliary assembling piece 296 are made of galvanized steel piece M2.
  • the primary assembling piece for setting the heat generating source may also be a laminated first layer and a second layer structure, wherein the first layer is disposed adjacent to the heat source, and the heat conductivity of the first layer is greater than the heat conductivity of the second layer.
  • the first layer is disposed adjacent to the heat source, and the material of the first layer may be selected from materials having a higher thermal conductivity than the second layer, for example, the first layer is an aluminum member, or a copper member, a magnesium alloy or an open foam aluminum alloy, and the second layer is plated. Zinc steel, or organic sheets, tinplate, etc. Of course, set the heat source
  • the primary splice piece of 25 may be only one layer, and the material is made of the material of the first layer described above.
  • Aluminum parts, copper parts, etc. have better heat dissipation effect, which is beneficial to improve the life of the product; the heat dissipation effect of galvanized steel sheets is relatively poor, but the price is relatively cheap and the strength is high.
  • raw material costs account for the largest proportion. If the back frame is made of a material having a good heat dissipation effect such as an aluminum member, the cost is too high, and the structural strength is poor; all the materials having poor heat dissipation effects such as galvanized steel sheets have poor heat dissipation and lower product performance.
  • the brackets fixed to the splicing members are also disposed on the back frame.
  • the splicing piece here may be a primary splicing piece or a secondary splicing piece.
  • the optional fixing points between the bracket and the primary assembling piece or the auxiliary assembling piece are provided with at least two, so that the bracket is optionally disposed at different positions of the back frame, thereby meeting different assembly requirements of the back frame.
  • the bracket 60 is formed by splicing the bracket assemblies 601 and 602, and the bracket 60 Both ends are fixed to the splicing pieces 61, 62, respectively.
  • the splicing members 61, 62 can be fixed to at least two different positions of the bracket 60 along the length of the bracket 60, wherein the splicing member 61, 62 may be the primary or secondary splicing member in each of the above embodiments.
  • the bracket 60 may be secured to the splice member at one end and suspended at the other end, and the bracket 60 It can also be an integrated design.
  • a strip-shaped through hole 6011 is provided in the longitudinal direction of the upper bracket 60.
  • the bracket assembly 601 is fastened to the splicing piece 61 of the back frame by screws 63. Screw 63 can be placed in strip through hole Different positions of the 6011. Therefore, at the time of installation, the strip-shaped through-holes 6011 are overlapped with the screw holes 611 of the splicing member 61, and the bracket assembly 601 is adjusted along the length of the bracket 60 according to the installation requirements.
  • the position on the splicing member 61 adjusts the position of the convex hull 6012 of the bracket assembly 601 relative to the splicing member 61.
  • the convex hull 6012 of the bracket assembly 601 After adjusting to the proper position, the screw 63 is set to the corresponding position of the strip-shaped through hole 6011, and locked into the screw hole 611 of the splicing piece 61, thereby fixing the bracket assembly 601 to the splicing piece 61 On.
  • bracket assembly 602 and the splicing member 62 are fixed to each other along the bracket 60.
  • a strip-shaped through hole 6021 is provided in the longitudinal direction, and screws 64 can be provided at different positions of the strip-shaped through-hole 6021, and by screwing the screw 64 to the screw hole 621 of the splicing piece 62
  • the bracket assembly 602 is then fixed to the splicing member 62, thereby achieving positional adjustment of the cinnar 6022 relative to the splicing member 62.
  • bracket assembly 601 and the bracket assembly 602 are fixed to each other at the bracket assembly.
  • a strip-shaped through hole 6013 is provided in the longitudinal direction of the bracket 60 on the 601, and a strip-shaped through hole 6023 is provided on the bracket assembly 602 along the longitudinal direction of the bracket 60.
  • Bracket assembly The 601 is attached to the bracket assembly 602 by screws 65. Among them, the screws 65 can be disposed at different positions of the strip-shaped through holes 6013, 6023.
  • Strip-shaped through hole 6013 during installation 6023 overlaps and adjusts the position of bracket assemblies 601 and 602 along the length of bracket 60 as required for installation, while adjusting convex hulls 6012, 6022 relative to splicing member 61 , 62 (see Figure 20) and the length of bracket 60.
  • set the screw 65 to the strip through holes 6013 and 6023 The corresponding position is locked and secured to the bracket assembly 602.
  • the screws 63, 64, 65 It can be replaced by other fixings such as rivets or bolts.
  • FIG. 25 is a partial structural diagram of a back frame of a flat panel display device according to a seventeenth embodiment of the present invention.
  • Figure 25 As shown in the present embodiment, at least two through holes are provided on the bracket at intervals in the longitudinal direction of the bracket instead of the strip through holes of the above embodiment.
  • the splicing member 71 of the bracket assembly 701 The mutually fixed ends are provided with a plurality of through holes 7014, 7015, 7016 along the length of the bracket 70.
  • Screws can be placed in the through holes 7014, 7015, In one of the 7016s, and locked in the screw hole 711 of the splicing member 71, the bracket assembly 701 is fixed to the splicing member 71, thereby realizing the convex hull 7012 relative to the splicing member 71. Position adjustment.
  • a plurality of through holes 7024, 7025, 7026 are provided in the longitudinal direction. Screws (not shown) can be placed in the through holes 7024, 7025, 7026 One of the screws is locked in the screw hole 721 of the splicing member 72, thereby fixing the bracket assembly 702 to the splicing member 72, thereby realizing the convex hull 7022 relative to the splicing member 72. Position adjustment
  • the bracket assembly 701 is mounted along the bracket 70.
  • a plurality of through holes 7017, 7018, 7019 are disposed in the longitudinal direction, and a plurality of through holes 7027 are disposed on the bracket assembly 702 along the length direction of the bracket 70, 7028, 7029.
  • a screw (not shown) may be disposed in any one of the plurality of through holes 7017, 7018, 7019 and the plurality of through holes 7027, 7028, Within any of the 7029.
  • bracket assembly 701 and 702 During installation, adjust the position of the bracket assemblies 701 and 702 along the length of the bracket according to the installation requirements, and overlap the corresponding through holes to adjust the convex hull 7012, 7022 Relative to the position of the splices 71, 72 and the length of the bracket 70. After the position adjustment, the screw is set to the corresponding through hole overlapping position and locked to fix the bracket assembly 701 Secure to bracket assembly 702.
  • the bracket is fixed to the splicing member by means of a screw.
  • those skilled in the art can easily associate the fixing member with a rivet or the like for fixing, which is not specifically limited in the present invention.
  • the present invention provides a back frame of another flat panel display device.
  • the back frame includes a first primary assembling piece 301, a second primary assembling piece 302, and a third primary assembling piece 303.
  • the fourth primary splicing piece 304 The first primary assembling piece 301, the second primary assembling piece 302, the third primary assembling piece 303 and the fourth primary assembling piece 304
  • the main frame is connected end to end to form a back frame, wherein the back frame further includes a first auxiliary assembling piece 305 and a second auxiliary assembling piece 306.
  • the back frame is provided with a second primary assembling piece 302 and a fourth primary assembling piece for setting a heat source 304.
  • the second primary assembling piece 302 and the fourth primary assembling piece 304 for setting the heat source have the first heat conduction capability, and the rest are not used to set the heat source first primary assembling piece 301 and the third primary assembling piece 303.
  • the second thermal conductivity is greater than the second thermal conductivity.
  • a bracket 307 is further disposed between the second primary assembling piece and the second secondary assembling piece of the back frame, and between the fourth primary assembling piece and the first auxiliary assembling piece, the bracket 307
  • the main splicing piece or the auxiliary splicing piece is fixed to each other, and at least two optional fixing points between the bracket and the main splicing piece or the auxiliary splicing piece are provided, so that the bracket is optionally disposed at different positions of the back frame.
  • Bracket 307 One of the stents described for each of the above embodiments.
  • the through hole 3071 and the through hole 3072 are used.
  • the bracket is optionally disposed at different positions of the back frame, and the through hole is an optional fixed point.
  • Bracket 307 can pass through through hole 3071 and through hole 3072 along bracket 307 The length direction adjustment position, after the position is adjusted, other fixing members such as screws, rivets or bolts are set to the corresponding positions of the through holes 3071 and the through holes 3072, and are locked to hold the bracket 307 Fixed to another position on the back frame.
  • the back frame described in this embodiment may adopt the splicing back frame of any of the foregoing embodiments, and different materials are used in each part according to practical applications, thereby reducing the material cost, and the bracket provided on the back frame may adopt any of the foregoing implementations.
  • the bracket structure of the example satisfies different installation requirements, further reducing the cost of the flat panel display device.
  • the present invention also provides a method of manufacturing a back frame of a flat panel display device, as shown in FIG. 27, FIG. A flowchart of a method of manufacturing a back frame of a flat panel display device according to a nineteenth embodiment of the present invention. The method includes the following steps:
  • Step 501 fabricating at least two primary assembling pieces, wherein the at least two primary assembling pieces include a primary assembling piece for setting a heat source, and the primary assembling piece for setting a heat source has a first heat conducting capability, the at least two The remaining one or more primary splicing members of the primary splicing member that are not used to set the heat source have a second thermal conductivity, and the first thermal conductivity is greater than the second thermal conductivity.
  • Step 502 an adjustable bracket is arranged on the back frame, and the bracket is fixed on the primary assembling piece or the auxiliary assembling piece, or is fixed on the primary assembling piece and the auxiliary assembling piece at the same time, wherein the bracket is combined with the primary assembling piece or the auxiliary assembling piece.
  • a joint of at least two joints is selected according to the size of the back frame.
  • the other splicing portions of the first primary splicing member located outside the splicing position of the second primary splicing member are cut off.
  • the first primary assembling piece is the first primary assembling piece
  • the second primary assembling piece is the second primary assembling piece, which will not be described herein.
  • FIG. 28 is a schematic structural diagram of a flat panel display device with a touch screen according to a twentieth embodiment of the present invention.
  • the flat panel display device 20 of the present invention further includes a touch screen 29 which is disposed on the light emitting surface of the display panel 22 of the flat panel display device 20.
  • the flat panel display device 20 includes a backlight system 21 and a display panel 22 as described above, and a backlight system 21 is disposed on the back of the display panel 22 and provides a light source for the display panel 22.
  • the backlight system 21 includes a light source 25, a light homogenizing mechanism 24, and a back frame 23.
  • the back frame 23 carries the light source 25 And a uniform light mechanism 24 .
  • the light homogenizing mechanism 24 is a light guide plate; when the backlight system 21 is of a direct type, the light homogenizing mechanism 24 is a diffusion plate.
  • Back frame 23 The at least first primary splicing member and the second primary splicing member are included, and at least the first and second primary splicing members form a main frame 27 of the back frame 23.
  • the light source is an LED light source, and the LED light source and the carrying LED A thermal silica gel is disposed between the main splicing members of the light source.
  • the flat panel display device 20 of the present invention may be a liquid crystal display device or a liquid crystal television set.
  • the present invention also provides a stereoscopic display device 30, see FIG. 29, FIG. A schematic structural view of a stereoscopic display device according to a twenty-first embodiment of the present invention.
  • the stereoscopic display device 30 includes a liquid crystal lens grating 31, a backlight system 32, and a display panel 33. .
  • the liquid crystal lens grating 31 is disposed on the light emitting surface of the display panel 33.
  • the backlight system 32 is a backlight system of the above embodiments, such as a backlight system 32. Includes light source (not labeled), light-shaping mechanism (not labeled), and back frame 23 .
  • the back frame 23 carries a light source and a light homogenizing mechanism, and the light homogenizing mechanism introduces light from the light source into the light incident surface of the display panel 33.
  • the back frame 23 The at least the first primary assembling piece and the second primary assembling piece are included, and at least the first and second primary assembling pieces form a main frame of the back frame, which will not be described herein.
  • the invention also provides a plasma display device 40, see Fig. 30, Fig. 30 A schematic structural view of a plasma display device according to a twenty-second embodiment of the present invention.
  • the plasma display device 40 includes a plasma display panel 41 and a back frame 42 and a back frame 42. Set on the back of the plasma display panel 41.
  • the back frame 42 is the back frame of each embodiment described above, and details are not described herein again.
  • the back frame mold of the flat panel display device, the stereoscopic display device and the plasma display device of the present invention has a simple structure, reduces the cost of the back frame mold, and saves the material of the back frame to reduce the cost of the flat panel display device.

Abstract

一种平板显示装置（20），其包括背光系统（21）以及显示面板（22）；背光系统（21）包括光源（25）、匀光机构（24）以及背框（23）；背框（23）承载光源（25）和匀光机构（24），所述匀光机构（24）将来自光源（25）的光线导入到显示面板（22）；背框（23）包括主拼接件（301，302，303，304）、辅拼接件（305，306）以及可调的支架（307）；背框（23）根据实际应用，在不同位置的主拼接件（301，302，303，304）使用不同材料；支架（307）与主拼接件（301，302，303，304）或辅拼接件（305，306）之间的可选固定点（3071，3072）设有至少两个，以使得支架（307）可选地设置于背框的不同位置。还提供一种立体显示装置（30）以及等离子显示装置（40）。所述背框（23）结构简单，能够降低背框模具的成本，并且节省背框（23）的材料，以降低平板显示装置（20）的成本，并且可满足不同安装需求。

Description

平板显示装置、立体显示装置以及等离子显示装置
【技术领域】
本发明涉及显示技术领域，特别是涉及一种平板显示装置、立体显示装置以及等离子显示装置。
【背景技术】
现有技术中液晶显示装置包括前框、面板以及背光模组，其中背光模组包括背框、反射片、导光板以及灯组等。
目前，市场上有多种显示面板尺寸以满足人们的不同需求。例如在电视领域中，液晶面板的尺寸包括 31.5 、 42 、 46 、 48 或 55 寸，需要根据不同尺寸的液晶面板进行设置不同的背框模具。
请参见图 1 ，图 1 是现有技术中液晶显示装置的背框结构示意图。如图 1 所示，现有技术中背框 10 均采用整体式的背框，通常通过金属冲压或者塑料注射方式生产整体式的背框 10 ，整体式的背框 10 需要消耗过多的材料，材料成本高。此外大尺寸的背框 10 需要使用较大的冲压设备，背框 10 对应的模具尺寸很大，结构复杂，背框模具的成本高。因此现有技术的背框成本高。
另外，背光模组经常使用铝或者镀锌钢板作为原材，经过冲压成整体式的背板。其中，铝有较好的散热效果，有利于提高产品的寿命；镀锌钢板散热效果相对较差，价格也相对便宜很多。在背板的成本中，原材料成本占的比重最大，如果背板全部使用铝材料，成本太高，且结构强度较差；全部使用镀锌钢板，散热不好，降低产品性能。因此，如何保证产品品质并节省材料成本，以便降低整个产品成本成为现有技术中需要解决的重要问题。
【发明内容】
本发明主要解决的技术问题是提供一种平板显示装置、立体显示装置以及等离子显示装置，能够降低材料成本和模具成本，并且可实现背框支架的可调。
为解决上述技术问题，本发明采用的一个技术方案是：提供一种平板显示装置，其包括背光系统以及显示面板；背光系统包括光源、匀光机构以及背框；背框承载光源和匀光机构，所述匀光机构将来自光源的光线导入显示面板；背框包括主拼接件、辅拼接件以及可调的支架；主拼接件的数量至少为两个，至少两个主拼接件以拼接方式进行连接，辅拼接件与主拼接件拼接；至少两个主拼接件中包括用于设置发热源的主拼接件，用于设置发热源的主拼接件具有第一导热能力，至少两个主拼接件中其余不用于设置发热源的一个或以上主拼接件具有第二导热能力；第一导热能力大于第二导热能力；支架固定于主拼接件或辅拼接件上，或同时固定于主拼接件和辅拼接件上，其中支架与主拼接件或辅拼接件之间的可选固定点设有至少两个，以使得支架可选地设置于背框的不同位置。
根据本发明一优选实施例，用于设置发热源的主拼接件具有第一强度，至少两个主拼接件中其余不用于设置发热源的一个或以上主拼接件具有第二强度，第二强度大于第一强度。
根据本发明一优选实施例，具有第一导热能力和第一强度的主拼接件是铝件，具有第二导热能力和第二强度的主拼接件是镀锌钢件。
根据本发明一优选实施例，支架上沿支架的长度方向间隔设置有至少两个贯穿孔，背框进一步包括固定件，固定件可设置于至少两个贯穿孔中的任意一个中，并将支架固定于拼接件上。
根据本发明一优选实施例，支架上沿支架的长度方向设置有条状贯穿孔，背框进一步包括固定件，固定件可设置于条状贯穿孔中的不同位置，并将支架固定于拼接件上。
根据本发明一优选实施例，支架包括至少两个支架组件，至少两个支架组件拼接形成支架，其中至少一支架组件可沿支架的长度方向固定于另一支架组件的至少两个不同位置。
根据本发明一优选实施例，另一支架组件上沿支架的长度方向间隔设置有至少两个贯穿孔，支架进一步包括固定件，固定件可设置于至少两个贯穿孔中的任意一个中，并将另一支架组件固定于至少一支架组件上。
根据本发明一优选实施例，另一支架组件上沿支架的长度方向设置有条状贯穿孔，支架进一步包括固定件，固定件可设置于条状贯穿孔中的不同位置，并将另一支架组件固定于至少一支架组件上。
根据本发明一优选实施例，至少两个主拼接件包括相互拼接的第一主拼接件和第二主拼接件，其中第一主拼接件的一端表面设有至少两个沿第一主拼接件的长度方向上间隔排列的拼接部，所述第一主拼接件通过其一拼接部与相应的第二主拼接件的一端拼接，以形成不同尺寸的所述背框的主框架。
根据本发明一优选实施例，拼接部是第一主拼接件表面上设置的形状与第二主拼接件的一端适配的凹部，以收容第二主拼接件的一端。
根据本发明一优选实施例，拼接部是第一主拼接件表面上设置的凹部，第二主拼接件的一端表面相应位置设有沿第二主拼接件长度方向上间隔排列的凸起，凸起嵌入凹部，以拼接所述第一主拼接件和第二主拼接件。
根据本发明一优选实施例，背框包括第三主拼接件以及第四主拼接件；第一主拼接件、第二主拼接件、第三主拼接件以及第四主拼接件首尾螺接、扣接或焊接，以形成背框的矩形的主框架。
根据本发明一优选实施例，背框包括设置于主框架内的辅拼接件，辅拼接件与主框架拼接。
根据本发明一优选实施例，辅拼接件包括第一辅拼接件和第二辅拼接件，第一辅拼接件的两端分别与第一主拼接件、第二主拼接件、第三主拼接件以及第四主拼接件中的至少两个拼接件拼接，第二辅拼接件的两端分别与第一主拼接件、第二主拼接件、第三主拼接件以及第四主拼接件中的至少两个主拼接件拼接。
根据本发明一优选实施例，第一辅拼接件的两端分别与相邻设置的第一主拼接件、第二主拼接件拼接，第二辅拼接件的两端与相邻设置的第三主拼接件、第四主拼接件拼接；或第一辅拼接件的两端分别与相对设置的第一主拼接件、第三主拼接件拼接，第二辅拼接件的两端与相对设置的第一主拼接件、第三主拼接件拼接。
根据本发明一优选实施例，平板显示装置包括一触摸屏，触摸屏设置在显示面板的出光面上。
为解决上述技术问题，本发明采用的一个技术方案是：提供一种立体显示装置，其包括液晶透镜光栅、背光系统以及显示面板，所述液晶透镜光栅设置于显示面板的出光面上；背光系统包括光源、匀光机构以及背框；背框承载光源和匀光机构，匀光机构将来自光源的光线导入显示面板的入光面；背框包括主拼接件、辅拼接件以及可调的支架；主拼接件的数量至少为两个，至少两个主拼接件以拼接方式进行连接，辅拼接件与主拼接件拼接；至少两个主拼接件中包括用于设置发热源的主拼接件，用于设置发热源的主拼接件具有第一导热能力，至少两个主拼接件中其余不用于设置发热源的一个或以上主拼接件具有第二导热能力；第一导热能力大于第二导热能力；支架固定于主拼接件或辅拼接件上，或同时固定于主拼接件和辅拼接件上，其中支架与主拼接件或辅拼接件之间的可选固定点设有至少两个，以使得支架可选地设置于背框的不同位置。
其中，主拼接件包括第一主拼接件、第二主拼接件、第三主拼接件以及第四主拼接件，第一主拼接件、第二主拼接件、第三主拼接件以及第四主拼接件拼接，以形成所述背框的主框架。
为解决上述技术问题，本发明采用的一个技术方案是：提供一种等离子显示装置，其包括等离子显示面板以及背框，背框设置在等离子显示面板的背面；背框包括主拼接件、辅拼接件以及可调的支架；主拼接件的数量至少为两个，至少两个主拼接件以拼接方式进行连接，辅拼接件与主拼接件拼接；至少两个主拼接件中包括用于设置发热源的主拼接件，用于设置发热源的主拼接件具有第一导热能力，至少两个主拼接件中其余不用于设置发热源的一个或以上主拼接件具有第二导热能力；第一导热能力大于第二导热能力；支架固定于主拼接件或辅拼接件上，或同时固定于主拼接件和辅拼接件上，其中支架与主拼接件或辅拼接件之间的可选固定点设有至少两个，以使得支架可选地设置于背框的不同位置。
其中，主拼接件包括第一主拼接件、第二主拼接件、第三主拼接件以及第四主拼接件，第一主拼接件、第二主拼接件、第三主拼接件以及第四主拼接件拼接，以形成所述背框的主框架。
本发明的有益效果是：区别于现有技术的情况，本发明的平板显示装置、立体显示装置以及等离子显示装置的背框通过设置最少两个主拼接件，其中设置发热源的主拼接件的导热能力大于其余不用于设置发热源的一个或以上主拼接件，据此要求选择不同的材料，降低材料成本的同时保证散热的需求；以使背框的模具结构简单，降低背框模具的成本，并且节省背框的材料，以降低平板显示装置的生产成本。进一步，通过在背框设置支架固定于拼接件上，使得支架可选地设置于背框的不同位置，从而使得同一支架能够满足不同的安装需求，进一步降低平板显示装置的生产成本。
【附图说明】
图 1 是现有技术中液晶显示装置的背框结构示意图；
图 2 是根据本发明第一实施例的平板显示装置的结构示意图；
图 3 是根据本发明第二实施例的平板显示装置的背框的结构示意图；
图 4 是根据本发明第三实施例的平板显示装置的背框的结构示意图；
图 5 是根据本发明第四实施例的平板显示装置的背框的结构示意图；
图 6 是根据本发明第五实施例的平板显示装置中的两个主拼接件拼接处的截面示意图；
图 7 是根据本发明第六实施例的平板显示装置中的第一辅拼接件对角设置在主框架上的示意图；
图 8 是根据本发明第七实施例的平板显示装置中的第一辅拼接件以及第二辅拼接件在主框架上的示意图；
图 9 是根据本发明第八实施例的一种平板显示装置的背框中拼接部的结构示意图；
图 10 是图 9 中拼接部的第一实施例的截面示意图；
图 11 是根据本发明第九实施例的一种平板显示装置的背框中拼接部的拼接方式的示意图；
图 12 是根据本发明第十实施例的一种平板显示装置的背框中拼接部的拼接方式的示意图；
图 13 是根据本发明第十一实施例的一种平板显示装置的背框中拼接部的拼接方式的示意图；
图 14 是根据本发明第十二实施例的一种平板显示装置的背框中拼接部的结构示意图；
图 15 是根据本发明第十三实施例的一种平板显示装置的背框中利用不同拼接部进行拼接的结构示意图；
图 16 是根据本发明第十四实施例的平板显示装置的背框的结构示意图；
图 17 是根据本发明第十五实施例的平板显示装置的结构示意图；
图 18 是根据本发明第十六实施例的平板显示装置的背框的局部结构示意图；
图 19 是图 18 所示的背框的支架组件与拼接件的结合处的放大示意图；
图 20 是图 18 所示的背框的支架组件与拼接件的结合处的剖视图；
图 21 是图 18 所示的背框的另一支架组件与另一拼接件的结合处的放大示意图；
图 22 是图 18 所示的背框的另一支架组件与另一拼接件的结合处的剖视图；
图 23 是图 18 所示的背框的两个支架组件的结合处的放大示意图；
图 24 是图 18 所示的背框的两个支架组件的结合处的剖视图；
图 25 是根据本发明第十七实施例的平板显示装置的背框的局部结构示意图；
图 26 是根据本发明第十八实施例的平板显示装置的背框结构示意图；
图 27 是根据本发明第十九实施例的一种制造平板显示装置的背框的方法的流程图；
图 28 是根据本发明第二十实施例的一种具有触摸屏的平板显示装置的结构示意图；
图 29 是根据本发明第二十一实施例的立体显示装置的结构示意图；
图 30 是根据本发明第二十二实施例的等离子显示装置的结构示意图。
【具体实施方式】
请参见图 2-3 ，图 2 是根据本发明第一实施例的平板显示装置的结构示意图，图 3 是根据本发明第二实施例的平板显示装置的背框的第一实施例的结构示意图。如图 2 所示，本实施例的平板显示装置 20 包括：背光系统 21 以及显示面板 22 ，背光系统 21 设置于显示面板 22 的背面，并且为显示面板 22 提供光源。
在本实施例中，背光系统 21 包括光源 25 、匀光机构 24 以及背框 23 。其中，背框 23 承载光源 25 和匀光机构 24 。在背光系统 21 为侧光式时，匀光机构 24 是导光板；在背光系统 21 为直下式时，匀光机构 24 是扩散板。背框 23 包括至少第一主拼接件和第二主拼接件，至少第一、第二两个主拼接件形成背框 23 的主框架 27 。
一起参阅图 3 ，背框 23 的第一实施例包括第一主拼接件 261 以及第二主拼接件 262 。第一主拼接件 261 的一端与第二主拼接件 262 的一端拼接，第一主拼接件 261 的另一端与第二主拼接件 262 的另一端拼接，以形成背框 23 的主框架 27 。第一主拼接件 261 和第二主拼接件 262 均为铝件或镀锌钢件。在本实施例中，第一主拼接件 261 和第二主拼接件 262 为 L 形。
一起参阅图 4 ，背框 23 的第三实施例包括第一主拼接件 281 、第二主拼接件 282 以及第三主拼接件 283 。三个主拼接件 281 、 282 以及 283 拼接形成背框 23 的主框架 27 。三个主拼接件 281 、 282 以及 283 均为铝件或镀锌钢件。第一主拼接件 281 的一端与第二主拼接件 282 的一端拼接，第二主拼接件 282 的另一端与第三主拼接件 283 的一端拼接，第三主拼接件 283 的另一端与第一主拼接件 281 的另一端拼接。
在本实施例中，第一主拼接件 281 为 L 形，第二、三拼接件 282 、 283 均为直条形。
此外，背框 23 还可以包括设置于主框架 27 内并与之拼接的辅拼接件。
以下以四个主拼接件和两个辅拼接件详细说明本发明平板显示装置 20 的背框 23 。
请参见图 5 ，图 5 根据本发明第四实施例的平板显示装置的背框的结构示意图。如图 5 所示，在本实施例中背框 23 包括：第一主拼接件 231 、第二主拼接件 232 、第三主拼接件 233 、第四主拼接件 234 、第一辅拼接件 235 、第二辅拼接件 236 以及支架 2371 、 2372 、 2373 、 2374 、 2375 、 2376 及 2377 。第一主拼接件 231 、第二主拼接件 232 、第三主拼接件 233 以及第四主拼接件 234 通过首尾拼接形成背框 23 的主框架 27 。第一辅拼接件 235 和第二辅拼接件 236 作为辅拼接件，设置于主框架 27 内，并且与主框架 27 拼接。
具体而言，第一主拼接件 231 的一端与第二主拼接件 232 的一端拼接，第二主拼接件 232 的另一端与第三主拼接件 233 的一端拼接，第三主拼接件 233 的另一端与第四主拼接件 234 的一端拼接，第四主拼接件 234 的另一端与第一主拼接件 231 的另一端拼接，以形成长方形的主框架 27 。其中，第一主拼接件 231 、第二主拼接件 232 、第三主拼接件 233 以及第四主拼接件 234 均为铝件或镀锌钢件。在本实施例中，第一主拼接件 231 、第二主拼接件 232 、第三主拼接件 233 以及第四主拼接件 234 均为直条形，在其他实施例中，本领域技术人员完全可以将第一主拼接件 231 、第二主拼接件 232 、第三主拼接件 233 以及第四主拼接件 234 全部设置为 L 形，或部分设置为直条形，剩余的设置为 L 形。例如，在图 3 中，第一主拼接件 261 和第二主拼接件 262 全部设置为 L 形；在图 4 中，第一主拼接件 281 设置为 L 形，第二、三主拼接件 282 以及 283 设置为直条形。
请参见图 6 ，图 6 是根据本发明第五实施例的平板显示装置中的两个主拼接件拼接处的截面示意图。在本实施例中，平板显示装置 20 的背框 23 均采用拼接连接方式进行拼接固定。如图 6 所示，以第一主拼接件 231 的一端与第二主拼接件 232 的一端拼接连接方式为例，将第二主拼接件 232 的一端拼接在第一主拼接件 231 的一端上，比如，采用螺接、扣接或焊接等方式将第二主拼接件 232 的一端拼接在第一主拼接件 231 的一端上。
请参见图 7 ，图 7 是根据本发明第六实施例的平板显示装置中的第一辅拼接件对角设置在主框架上的示意图。在本实施例中，第一辅拼接件 235 和第二辅拼接件 236 设置于背框 23 的主框架 27 内。第一辅拼接件 235 的一端与第一主拼接件 231 拼接，第一辅拼接件 235 的另一端与第三主拼接件 233 拼接，第二辅拼接件 236 的一端与第一主拼接件 231 拼接，第二辅拼接件 236 的另一端与第三主拼接件 233 拼接，并且第二主拼接件 232 、第四主拼接件 234 、第一辅拼接件 235 以及第二辅拼接件 236 之间平行设置。在其它实施例中，本领域技术人员在主框架 27 内设置至少一个辅拼接件，例如在主框架 27 内仅仅设置第一辅拼接件 235 。此外，第一辅拼接件 235 的两端可以分别与第一主拼接件 231 、第二主拼接件 232 、第三主拼接件 233 以及第四主拼接件 234 中的至少两个主拼接件拼接，例如第一辅拼接件 235 对角设置在主框架 27 内，如图 7 所示。同理可知，第二辅拼接件 236 的两端亦可以分别与第一主拼接件 231 、第二主拼接件 232 、第三主拼接件 233 以及第四主拼接件 234 中的至少两个主拼接件拼接。
请参见图 8 ，图 8 是根据本发明第七实施例的平板显示装置中的第一辅拼接件以及第二辅拼接件在主框架上的示意图。例如，第一辅拼接件 235 的两端分别与相邻设置的第一主拼接件 231 、第二主拼接件 232 拼接，第二辅拼接件 236 的两端分别与相邻设置的第三主拼接件 233 、第四主拼接件 234 拼接。
在本实施例中，背框 23 包括七个支架 2371 、 2372 、 2373 、 2374 、 2375 、 2376 及 2377 。其中，支架 2371 固定于第四主拼接件 234 上，支架 2372 、 2373 分别固定于第一辅拼接件 235 上，支架 2374 固定在第二辅拼接件 236 上，支架 2375 固定在第二主拼接件 232 上，支架 2376 、 2377 的两端分别固定于第一辅拼接件 235 和第二辅拼接件 236 上。实际上，支架可以固定于第一主拼接件 231 、第二主拼接件 232 、第三主拼接件 233 、第四主拼接件 234 、第一辅拼接件 235 以及第二辅拼接件 236 之一或以上。在其他实施例中，本领域技术人员完全可以在背框 23 上设置其他数量的支架，比如一个支架或以上。此外，支架可以拆卸固定于第一主拼接件 231 、第二主拼接件 232 、第三主拼接件 233 、第四主拼接件 234 、第一辅拼接件 235 以及第二辅拼接件 236 之一或以上。
在支架 2371 、 2372 、 2373 、 2374 、 2375 、 2376 及 2377 上均设有凸包（未标示），背框 23 可以通过该凸包固定电路板等器件。
以下进一步说明上述背框 23 相应的模具。在本实施例中，第一主拼接件 231 和第三主拼接件 233 的尺寸相同，形状相同，使用相同的模具冲压制得。第二主拼接件 232 、第四主拼接件 234 、第一辅拼接件 235 以及第二辅拼接件 236 的尺寸相同，形状相同，使用相同的模具冲压制得，实现模具共用。因此，本发明的背框 23 可以通过使用两种小尺寸模具冲压制得，相比于现有技术中背框 10 需要大尺寸模具，本发明的背框 23 的模具结构简单且小，进而降低背框 23 模具的成本。此外，本发明的背框 23 相对于现有技术中背框 10 的整体背框，能够大幅节省材料，以降低平板显示装置 20 的生产成本。
请参见图 9 ，图 9 是根据本发明第八实施例的一种平板显示装置的背框中拼接部的结构示意图。如图 9 所示，在本实施例中，第一主拼接件的一端设有两个拼接部，拼接部的结构与相应的第二主拼接部的一端适配，以使第一主拼接件与相应的第二主拼接件的一端拼接。
具体而言，第一主拼接件 231 的一端表面至少设有拼接部 2311 、 2312 ，拼接部 2311 、 2312 沿第一主拼接件 231 的长度方向上间隔排列，拼接部 2311 、 2312 是在第一主拼接件 231 设置的形状与第二主拼接件 232 的一端适配的凹部，以收容第二主拼接件 232 的一端。
参见图 10 ，图 10 是图 9 中拼接部的第一实施例的截面示意图。如图 10 所示，拼接部 2311 、 2312 为未贯穿第一主拼接件 231 的一端相对两侧面的凹部，凹部的形状为矩形，第二主拼接件 232 为一直条形。
在拼装较大尺寸背框 23 时，首先选择较邻近第一主拼接件 231 的端部的拼接部 2311 ，并选择相应宽度的第二主拼接件 232 。随后将第二主拼接件 232 的一端设置在拼接部 2311 的凹部上。随后通过螺接、扣接或焊接等方式将第二主拼接件 232 的一端拼接固定在拼接部 2311 上。在拼装较小尺寸背框 23 时，首先选择较远离第一主拼接件 231 的端部的拼接部 2312 ，并选择相应宽度的第二主拼接件 232 。随后将第二主拼接件 232 的一端设置在拼接部 2312 的凹部上。随后通过螺接、扣接或焊接等方式将第二主拼接件 232 的一端拼接固定在拼接部 2312 上。
请参见图 11 ，图 11 是根据本发明第九实施例的一种平板显示装置的背框中拼接部的拼接方式的示意图。如图 11 所示，为方便另一方向上背框 23 尺寸的可选，例如在第二主拼接件 232 的表面相应位置设有凸起，其中第二主拼接件 232 的凸起嵌入第一主拼接件 231 相对应位置的凹部，以拼接第一主拼接件 231 和第二主拼接件 232 。此外，所述第二主拼接件 232 的一端表面上可以设有至少两个沿第二主拼接件 232 长度方向上间隔排列的凸起，比如两个、三个或四个等。
更进一步，如图 12 所示，图 12 是根据本发明第十实施例的一种平板显示装置的背框中拼接部的拼接方式的示意。第一主拼接件 231 的凹部为多阶梯结构的凹部，第二主拼接件 232 相对应位置设有与凹部适配的多阶梯结构的凸部。
此外，如图 13 所示，图 13 是根据本发明第十一实施例的一种平板显示装置的背框中拼接部的拼接方式的示意图。以拼接部 2311 为例，第一主拼接件 231 的凹部底部设有第一贯穿孔 2313 ，第二主拼接件 232 相应于拼接部 2311 的位置上设有第二贯穿孔 2321 ，背框 23 进一步包括固定件 240 ，固定件 240 穿过第一贯穿孔 2313 和第二贯穿孔 2321 ，以将第一主拼接件 231 和第二主拼接件 232 拼接。
如图 14 ，图 14 是根据本发明第十二实施例的一种平板显示装置的背框中拼接部的结构示意图。在本发明平板显示装置的背框的另一实施例中，第一主拼接件 231 的拼接部 2311 、 2312 的凹部形状为圆形。但是，在其他实施例中，本领域技术人员完全可以将凹部的形状设置成三角形等其他多边形形状。
如图 15 ，图 15 是根据本发明第十三实施例的一种平板显示装置的背框中利用不同拼接部进行拼接的结构示意图。在本发明平板显示装置的背框的另一实施例中，拼接部 2311 、 2312 为贯穿第一主拼接件 231 的相对两侧的凹部，以使第二主拼接件 232 的一端在拼接部 2311 、 2312 上移动。比如在第二主拼接件 232 的一端穿出拼接部 2312 并拼接固定后，可裁切掉穿出部分，进而调节第二主拼接件 232 在作为背框主拼接件时的长度，从而得到不同尺寸的背框。
在实际应用中，第一主拼接件 231 的另一端以及第三主拼接件 233 的两端均设有两个拼接部，其结构与拼接部 2311 、 2312 的结构相同；而在第二主拼接件 232 的两端和第四主拼接件 234 的两端，对应于不同的情况，也相应进行设计或不设计，比如：
1 ）第一种情况，如图 10 所示，第二主拼接件 232 的两端和第四主拼接件 234 的两端可以不进行任何设计，即端部与其他部位的结构相同，这时候在选择第一主拼接件 231 一端的不同拼接部 2311 （ 2312 ）进行拼接时（另一端同样处理），若想背框 23 的宽度相应变化，则相应的第二主拼接件 232 和第四主拼接件 234 的长度也作相应的选择。即，若选邻近第一主拼接件 231 一端的拼接部 2311 进行拼接，则不对第二主拼接件 232 和第四主拼接件 234 进行裁剪，或裁剪掉的部分较短；若选择较远离第一主拼接件 231 一端的拼接部 2312 进行拼接时，则对第二主拼接件 232 和第四主拼接件 234 均进行裁剪，按照拼接部距离第一主拼接件 231 一端的远近，裁剪掉的部分也较长或较短；
2 ）第二种情况，类似前述第一种情况，如图 11 所示，只不过第二主拼接件 232 和第四主拼接件 234 以不同的凸起来分别与第一主拼接件 231 和第三主拼接件 233 配合，实现背框 23 的宽度变化；同样，若选择除离第一主拼接件 231 一端最近的第一拼接部 2311 之外的其他拼接部 2312 进行拼接时，在拼接后或拼接前，将多出的第二主拼接件 232 和第四主拼接件 234 部分进行裁剪。
以上情况也适用于仅用两个 L 形主拼接件进行拼接而得到背框 23 的主框架 27 。
综上所述，本发明的背框 23 的第一主拼接件上设有至少两个拼接部，根据用户需求进行设置拼接部的数量，在本实施例中选取两个拼接部 2311 、 2312 进行描述。因此，在设置背框 23 的模具时，仅需设置两组模具，即第一主拼接件的模具以及第二主拼接件的模具，在第一主拼接件上设置多个拼接部以拼接得到各种尺寸的背框 23 。在拼装背框 23 时，可以根据背框 23 的尺寸，选择相应的拼接部，通过拼接部将第二主拼接件拼接在第一主拼接件的拼接部上，并将第一主拼接件中位于第二主拼接件的拼接位置外侧的其他拼接部裁切掉，以获取所需尺寸的背框 23 。相对于现有技术中根据不同尺寸的背框 10 设置不同背框模具，本发明的平板显示装置的背框 23 仅需设置第一主拼接件的模具和第二主拼接件 28 的模具，实现满足各种尺寸产品要求的模具共用，并且模具结构简单，能够降低背框模具的成本。
本发明还提供一种制造平板显示装置的背框的模具，该背框的模具设有用于形成背框的主拼接件的主图案，主图案设有上设有用于在主拼接件的一端形成至少两个拼接部的子图案。其中，主拼接件为上述第一主拼接件和第二主拼接件，对应上述的主图案；拼接部为上述第一主拼接件的拼接部，对应上述的子图案，在此不再赘述。
请参见图 16-17 ，图 16 是根据本发明第十四实施例的平板显示装置的背框的结构示意图，图 17 是根据本发明第十五实施例的平板显示装置的结构示意图。下面以四个主拼接件和两个辅拼接件为例，说明本发明平板显示装置 20 的背框 23 在主拼接件设置有发热源时，该主拼接件和其它未设置发热源的拼接件在材料选择上的不同。
四个主拼接件和两个辅拼接件中，至少两个主拼接件中包括用于设置发热源的主拼接件，用于设置发热源的主拼接件具有第一导热能力，至少两个主拼接件中其余不用于设置发热源的一个或以上主拼接件具有第二导热能力；其中，第一导热能力大于第二导热能力。
发热源可以为发光二级管（ LED ）、印制电路板（ PCB ）或其他发热的电子器件，在此处以 LED 为例。表征导热能力的参数可以是导热系数，也就是说设置于发热源的主拼接件的导热系数大于其余不用于设置发热源的一个或以上主拼接件的导热系数。
用于设置发热源的主拼接件具有第一强度，至少两个主拼接件中其余不用于设置发热源的一个或以上主拼接件具有第二强度，第二强度大于第一强度。
具有第一导热能力和第一强度的主拼接件是铝件，具有第二导热能力和第二强度的主拼接件是镀锌钢件。当然，除了铝件外，散热能力较高的还可以是铜件、镁合金或开口泡沫铝合金等；而除了镀锌钢件外，强度高的还可以是有机片或马口铁等。
下面再以四个主拼接件和两个辅拼接件组成的背框为例，如图 16-17 ，第一主拼接件 291 、第二主拼接件 292 、第三主拼接件 293 、第四主拼接件 294 、第一辅拼接件 295 以及第二辅拼接件 296 组成背框。其中设置发热源 25 的主拼接件是第二主拼接件 292 和第四主拼接件 294 ，第二主拼接件 292 和第四主拼接件 294 由铝件 M1 制作，其它未设置发热源 25 的第一主拼接件 291 、第三主拼接件 293 、第一辅拼接件 295 以及第二辅拼接件 296 由镀锌钢件 M2 制作。
此外，用于设置发热源的主拼接件也可以是层叠的第一层和第二层结构，其中第一层邻近发热源设置，第一层的导热能力大于第二层的导热能力。
第一层邻近发热源设置，第一层的材料可以选择导热能力大于第二层的材料，例如第一层是铝件，或者铜件、镁合金或开口泡沫铝合金等，第二层是镀锌钢件，或者有机片、马口铁等。当然，设置发热源 25 的主拼接件可以是只有一层，材料用上述第一层的材料制作。
铝件、铜件等具有较好的散热效果，有利于提高产品的寿命；镀锌钢板等散热效果较差，但价格相对便宜，强度较高。背框的成本中，原材料成本占的比重最大。如果背框全部使用铝件等具有较好的散热效果的材料，成本太高，且结构强度较差；全部使用镀锌钢板等散热效果较差的材料，则散热不好，降低产品性能。因此在实际应用中根据需要，不同位置的各部分使用不同的材料制作，比如铝件和镀锌钢板搭配，可以使产品成本最低化，同时保证散热和强度满足需求。减少材料成本，从而降低产品成本。当然，上述拼接件在材料选择上不同的实施例，也同样适用于采用两个 L 型主拼接件来拼接得到主框架的情况。
本实施例除了在不同位置使用不同的材料制作以降低成本，还在背框设置与拼接件相互固定的支架。这里的拼接件可以是主拼接件或辅拼接件。支架与主拼接件或辅拼接件之间的可选固定点设有至少两个，以使得支架可选地设置于背框的不同位置，从而满足背框的不同装配需求。
请参阅图 18 ，图 18 是根据本发明第十六实施例的平板显示装置的背框的局部结构示意图。在本实施例中，支架 60 由支架组件 601 、 602 拼接而成，支架 60 的两端分别固定于拼接件 61 、 62 上。拼接件 61 、 62 可沿支架 60 的长度方向固定于支架 60 的至少两个不同位置，其中，拼接件 61 、 62 可以是上述各实施例中的主拼接件或辅拼接件。在其他备选实施例中，支架 60 可以仅一端固定于拼接件上，另一端悬空设置，且支架 60 也可以是一体设计。
进一步如图 19-20 所示，在支架组件 601 与拼接件 61 相互固定的端部，在支架组件 601 上沿支架 60 的长度方向上设置有条状贯穿孔 6011 。支架组件 601 通过螺钉 63 固定在背框的拼接件 61 上。螺钉 63 可以设置于条状贯穿孔 6011 的不同位置。因此，在安装时，将条状贯穿孔 6011 与拼接件 61 的螺孔 611 重叠，并根据安装需要沿支架 60 的长度方向调节支架组件 601 在拼接件 61 上的位置，进而调节支架组件 601 的凸包 6012 相对于拼接件 61 的位置。在将支架组件 601 的凸包 6012 调节到适当位置后，将螺钉 63 设置到条状贯穿孔 6011 的相应位置，并锁定到拼接件 61 的螺孔 611 中，进而并将支架组件 601 固定到拼接件 61 上。
同理，进一步如图 21-22 所示，在支架组件 602 的与拼接件 62 相互固定的端部，沿支架 60 的长度方向上设置有条状贯穿孔 6021 ，可以设置螺钉 64 于条状贯穿孔 6021 的不同位置，并通过将螺钉 64 锁定到拼接件 62 的螺孔 621 内，进而将支架组件 602 固定于拼接件 62 上，由此实现凸包 6022 相对拼接件 62 的位置调节。
进一步如图 23-24 所示，在支架组件 601 与支架组件 602 相互固定的端部，在支架组件 601 上沿支架 60 的长度方向上设置有条状贯穿孔 6013 ，而在支架组件 602 上沿支架 60 的长度方向上设置有条状贯穿孔 6023 。支架组件 601 通过螺钉 65 固定于支架组件 602 。其中，螺钉 65 可设置于条状贯穿孔 6013 、 6023 的不同位置。在安装时，将条状贯穿孔 6013 、 6023 重叠，并根据安装需要沿支架 60 的长度方向调节支架组件 601 和 602 的位置，而进调节凸包 6012 、 6022 相对于拼接件 61 、 62 （见图 20 ）的位置以及支架 60 的长度。在位置调节后，将螺钉 65 设置到条状贯穿孔 6013 和 6023 的相应位置，并进行锁定，以将支架组件 601 固定到支架组件 602 上。在其他备选实施例中，螺钉 63 、 64 、 65 可以由铆钉或螺栓等其他固定件代替。
请参阅图 25 ，图 25 是根据本发明第十七实施例的平板显示装置的背框的局部结构示意图。如图 25 所示，在本实施例中，在支架上沿支架的长度方向间隔设置有至少两个贯穿孔来取代上述实施例的条状贯穿孔。具体而言，在支架组件 701 的与拼接件 71 相互固定的端部，沿支架 70 的长度方向上设置有多个贯穿孔 7014 、 7015 、 7016 。螺钉（图未示）可以设置于贯穿孔 7014 、 7015 、 7016 中的一者内，并锁定于拼接件 71 的螺孔 711 内，从而将支架组件 701 固定于拼接件 71 上，由此实现凸包 7012 相对拼接件 71 的位置调节。
同样地，在支架组件 702 的与拼接件 72 相互固定的端部，沿支架 70 的长度方向上设置有多个贯穿孔 7024 、 7025 、 7026 。螺钉（图未示）可以设置于贯穿孔 7024 、 7025 、 7026 中的一者内，并锁定于拼接件 72 的螺孔 721 内，从而将支架组件 702 固定于拼接件 72 上，由此实现凸包 7022 相对拼接件 72 的位置调节
另外，在支架组件 701 与支架组件 702 相互固定的端部，在支架组件 701 上沿支架 70 的长度方向上设置有多个贯穿孔 7017 、 7018 、 7019 ，而在支架组件 702 上沿支架 70 的长度方向上设置有多个贯穿孔 7027 、 7028 、 7029 。螺钉（图未示）可设置于多个贯穿孔 7017 、 7018 、 7019 中的任意一者与多个贯穿孔 7027 、 7028 、 7029 的任意一者内。在安装时，根据安装需要沿支架的长度方向调节支架组件 701 和 702 的位置，并将对应的贯穿孔重叠，从而调节凸包 7012 、 7022 相对于拼接件 71 、 72 的位置以及支架 70 的长度。在位置调节后，将螺钉设置到对应的贯穿孔重叠位置上，并进行锁定，以将支架组件 701 固定到支架组件 702 上。
以上实施方式中，利用螺钉将支架固定于拼接件，但本领域技术人员也可以轻易联想到可用铆钉等固定件进行固定，本发明对此不作具体限定。
综上所述，本发明提供了另一种平板显示装置的背框。请参阅图 26 ，图 26 是根据本发明第十八实施例的平板显示装置的背框结构示意图。如图 26 所示，背框包括第一主拼接件 301 、第二主拼接接件 302 、第三主拼接件 303 和第四主拼接件 304 。第一主拼接件 301 、第二主拼接接件 302 、第三主拼接件 303 和第四主拼接件 304 首尾连接以形成背框的主框架，其中，背框还包括第一辅拼接件 305 和第二辅拼接件 306 。背框设置有用于设置发热源的第二主拼接件 302 和第四主拼接件 304 ，用于设置发热源的第二主拼接件 302 和第四主拼接件 304 具有第一导热能力，其余不用于设置发热源第一主拼接件 301 和第三主拼接件 303 具有第二导热能力，第一导热能力大于第二导热能力。在背框的第二主拼接件和第二辅拼接件之间，以及第四主拼接件和第一辅拼接件之间还设置有支架 307 ，支架 307 与主拼接件或辅拼接件相互固定，其中支架与主拼接件或辅拼接件之间的可选固定点设有至少两个，以使得支架可选地设置于背框的不同位置。支架 307 为上述各实施例描述的支架之一。
在本实施例中，以贯穿孔 3071 和贯穿孔 3072 为例，说明支架可选地设置于背框的不同位置，这里所说的贯穿孔即是可选固定点。支架 307 可通过贯穿孔 3071 和贯穿孔 3072 沿支架 307 的长度方向调节位置，在位置调节好后，将固定件如螺钉、铆钉或螺栓等其他固定件设置到贯穿孔 3071 和贯穿孔 3072 的相应位置，并进行锁定，以将支架 307 固定到背框的另一位置。
本实施例中所述的背框可以采用前述任一实施例的拼接式背框，并且根据实际应用在各部分使用不同的材料，降低了材料成本，背框设置的支架可采用前述任一实施例的支架结构，满足了不同的安装需求，进一步降低了平板显示装置的成本。
本发明还提供一种制造平板显示装置的背框的方法，如图 27 所示，图 27 是根据本发明第十九实施例的一种制造平板显示装置的背框的方法的流程图。该方法包括以下步骤：
步骤 501 ：制作至少两个主拼接件，所述至少两个主拼接件中包括用于设置发热源的主拼接件，所述用于设置发热源的主拼接件具有第一导热能力，所述至少两个主拼接件中其余不用于设置发热源的一个或以上主拼接件具有第二导热能力，所述第一导热能力大于第二导热能力。
步骤 502 ：在背框设置可调的支架，所述支架固定于主拼接件或辅拼接件上，或同时固定于主拼接件和辅拼接件上，其中所述支架与主拼接件或辅拼接件之间的可选固定点设有至少两个，以使得支架可选地设置于背框的不同位置。
在本实施例中，当第二主拼接件的拼接位置与第一主拼接件的相邻端部之间存在其他拼接部时，在根据背框的尺寸选择至少两个拼接部的一拼接部与相应的第二主拼接件的一端拼接的步骤之前或之后，将第一主拼接件中位于第二主拼接件的拼接位置外侧的其他拼接部裁切掉。其中第一主拼接件为上述第一主拼接件，第二主拼接件为上述第二主拼接件，在此不再赘述。
请参阅图 28 ，如 28 是根据本发明第二十实施例的一种具有触摸屏的平板显示装置的结构示意图。如图 28 所示，本发明的平板显示装置 20 进一步包括一触摸屏 29 ，触摸屏 29 设置在平板显示装置 20 的显示面板 22 的出光面上。其中，平板显示装置 20 包括：背光系统 21 以及上述的显示面板 22 ，背光系统 21 设置于显示面板 22 的背面，并且为显示面板 22 提供光源。
背光系统 21 包括光源 25 、匀光机构 24 以及背框 23 。其中，背框 23 承载光源 25 和匀光机构 24 。在背光系统 21 为侧光式时，匀光机构 24 是导光板；在背光系统 21 为直下式时，匀光机构 24 是扩散板。背框 23 包括至少第一主拼接件和第二主拼接件，至少第一、第二两个主拼接件形成背框 23 的主框架 27 。光源是 LED 光源，并且在所述 LED 光源和承载 LED 光源的主拼接件之间设有导热硅胶。
值得注意的是，本发明的平板显示装置 20 可以为液晶显示装置或液晶电视机。
本发明还提供一种立体显示装置 30 ，请参阅图 29 ，图 29 是根据本发明第二十一实施例的立体显示装置的结构示意图。如图 29 所示，立体显示装置 30 包括液晶透镜光栅 31 、背光系统 32 以及显示面板 33 。其中，液晶透镜光栅 31 设置于显示面板 33 的出光面上。背光系统 32 为上述各实施例的背光系统，比如背光系统 32 包括光源（未标示）、匀光机构（未标示）以及背框 23 。背框 23 承载光源和匀光机构，匀光机构将来自光源的光线导入显示面板 33 的入光面。其中，背框 23 包括至少第一主拼接件和第二主拼接件，至少第一、第二两个主拼接件形成背框的主框架，在此不再赘述。
本发明还提供一种等离子显示装置 40 ，请参阅图 30 ，图 30 是根据本发明第二十二实施例的等离子显示装置的结构示意图。如图 30 所示，等离子显示装置 40 包括等离子显示面板 41 以及背框 42 ，背框 42 设置在等离子显示面板 41 的背面。其中，背框 42 为上述各实施例的背框，在此也不再赘述。
通过上述方式，本发明平板显示装置、立体显示装置以及等离子显示装置的背框模具结构简单，降低背框模具的成本，并且节省背框的材料，以降低平板显示装置的成本。
以上所述仅为本发明的实施例，并非因此限制本发明的专利范围，凡是利用本发明说明书及附图内容所作的等效结构或等效流程变换，或直接或间接运用在其他相关的技术领域，均同理包括在本发明的专利保护范围内。

Claims (20)

  1. 一种平板显示装置，其特征在于：所述平板显示装置包括背光系统以及显示面板，其中：
    所述背光系统包括光源、匀光机构以及背框；
    所述背框承载光源和匀光机构，所述匀光机构将来自光源的光线导入显示面板；
    所述背框包括主拼接件、辅拼接件以及可调的支架；
    所述主拼接件的数量至少为两个，所述至少两个主拼接件以拼接方式进行连接，所述辅拼接件与所述主拼接件拼接；
    所述至少两个主拼接件中包括用于设置发热源的主拼接件，所述用于设置发热源的主拼接件具有第一导热能力，所述至少两个主拼接件中其余不用于设置发热源的一个或以上主拼接件具有第二导热能力，所述第一导热能力大于第二导热能力；
    所述支架固定于主拼接件或辅拼接件上，或同时固定于主拼接件和辅拼接件上，其中所述支架与主拼接件或辅拼接件之间的可选固定点设有至少两个，以使得支架可选地设置于背框的不同位置。
  2. 根据权利要求 1 所述的平板显示装置，其特征在于：所述用于设置发热源的主拼接件具有第一强度，所述至少两个主拼接件中其余不用于设置发热源的一个或以上主拼接件具有第二强度，所述第二强度大于第一强度。
  3. 根据权利要求 2 所述的平板显示装置，其特征在于：所述具有第一导热能力和第一强度的主拼接件是铝件，所述具有第二导热能力和第二强度的主拼接件是镀锌钢件。
  4. 根据权利要求 1 所述的平板显示装置，其特征在于；所述支架上沿所述支架的长度方向间隔设置有至少两个贯穿孔，所述背框进一步包括固定件，所述固定件可设置于所述至少两个贯穿孔中的任意一个中，并将所述支架固定于所述拼接件上。
  5. 根据权利要求 1 所述的平板显示装置，其特征在于：所述支架上沿所述支架的长度方向设置有条状贯穿孔，所述背框进一步包括固定件，所述固定件可设置于所述条状贯穿孔中的不同位置，并将所述支架固定于所述拼接件上。
  6. 根据权利要求 1 所述的平板显示装置，其特征在于：所述支架包括至少两个支架组件，所述至少两个支架组件拼接形成所述支架，其中至少一支架组件可沿所述支架的长度方向固定于另一支架组件的至少两个不同位置。
  7. 根据权利要求 6 所述的平板显示装置，其特征在于：所述另一支架组件上沿所述支架的长度方向间隔设置有至少两个贯穿孔，所述支架进一步包括固定件，所述固定件可设置于所述至少两个贯穿孔中的任意一个中，并将所述另一支架组件固定于所述至少一支架组件上。
  8. 根据权利要求 6 所述的平板显示装置，其特征在于：所述另一支架组件上沿所述支架的长度方向设置有条状贯穿孔，所述支架进一步包括固定件，所述固定件可设置于所述条状贯穿孔中的不同位置，并将所述另一支架组件固定于所述至少一支架组件上。
  9. 根据权利要求 1 所述的平板显示装置，其特征在于：
    所述至少两个主拼接件包括相互拼接的第一主拼接件和第二主拼接件，其中第一主拼接件的一端表面设有至少两个沿第一主拼接件的长度方向上间隔排列的拼接部，所述第一主拼接件通过其一拼接部与相应的第二主拼接件的一端拼接，以形成不同尺寸的所述背框的主框架。
  10. 根据权利要求 9 所述的平板显示装置，其特征在于：
    所述拼接部是第一主拼接件表面上设置的形状与第二主拼接件的一端适配的凹部，以收容第二主拼接件的一端。
  11. 根据权利要求 9 所述的平板显示装置，其特征在于：
    所述拼接部是第一主拼接件表面上设置的凹部，所述第二主拼接件的一端表面相应位置设有沿第二主拼接件长度方向上间隔排列的凸起，所述凸起嵌入凹部，以拼接所述第一主拼接件和第二主拼接件。
  12. 根据权利要求 9 所述的平板显示装置，其特征在于：
    所述背框包括第三主拼接件以及第四主拼接件；
    所述第一主拼接件、第二主拼接件、第三主拼接件以及第四主拼接件首尾螺接、扣接或焊接，以形成所述背框的矩形的主框架。
  13. 根据权利要求 12 所述的平板显示装置，其特征在于：
    所述背框包括设置于主框架内的辅拼接件，所述辅拼接件与主框架拼接。
  14. 根据权利要求 13 所述的平板显示装置，其特征在于：
    所述辅拼接件包括第一辅拼接件和第二辅拼接件，所述第一辅拼接件的两端分别与第一主拼接件、第二主拼接件、第三主拼接件以及第四主拼接件中的至少两个主拼接件拼接，所述第二辅拼接件的两端分别与第一主拼接件、第二主拼接件、第三主拼接件以及第四主拼接件中的至少两个主拼接件拼接。
  15. 根据权利要求 14 所述的平板显示装置，其特征在于：
    所述第一辅拼接件的两端分别与相邻设置的第一主拼接件、第二主拼接件拼接，第二辅拼接件的两端与相邻设置的第三主拼接件、第四主拼接件拼接；或所述第一辅拼接件的两端分别与相对设置的第一主拼接件、第三主拼接件拼接，第二辅拼接件的两端与相对设置的第一主拼接件、第三主拼接件拼接。
  16. 根据权利要求 1 所述的平板显示装置，其特征在于：
    所述平板显示装置包括一触摸屏，所述触摸屏设置在所述显示面板的出光面上。
  17. 一种立体显示装置，其特征在于：
    所述立体显示装置包括液晶透镜光栅、背光系统以及显示面板，所述液晶透镜光栅设置于所述显示面板的出光面上；
    所述背光系统包括光源、匀光机构以及背框；
    所述背框承载光源和匀光机构，所述匀光机构将来自光源的光线导入显示面板的入光面；
    所述背框包括主拼接件、辅拼接件以及可调的支架；
    所述主拼接件的数量至少为两个，所述至少两个主拼接件以拼接方式进行连接，所述辅拼接件与所述主拼接件拼接；
    所述至少两个主拼接件中包括用于设置发热源的主拼接件，所述用于设置发热源的主拼接件具有第一导热能力，所述至少两个主拼接件中其余不用于设置发热源的一个或以上主拼接件具有第二导热能力，所述第一导热能力大于第二导热能力；
    所述支架固定于主拼接件或辅拼接件上，或同时固定于主拼接件和辅拼接件上，其中所述支架与主拼接件或辅拼接件之间的可选固定点设有至少两个，以使得支架可选地设置于背框的不同位置。
  18. 根据权利要求 17 所述的等离子显示装置，其特征在于：
    所述主拼接件包括第一主拼接件、第二主拼接件、第三主拼接件以及第四主拼接件；
    所述第一主拼接件、第二主拼接件、第三主拼接件以及第四主拼接件拼接，以形成所述背框的主框架。
  19. 一种等离子显示装置，其特征在于：
    所述等离子显示装置包括等离子显示面板以及背框，所述背框设置在等离子显示面板的背面；所述背框包括主拼接件、辅拼接件以及可调的支架；
    所述主拼接件的数量至少为两个，所述至少两个主拼接件以拼接方式进行连接，所述辅拼接件与所述主拼接件拼接；
    所述至少两个主拼接件中包括用于设置发热源的主拼接件，所述用于设置发热源的主拼接件具有第一导热能力，所述至少两个主拼接件中其余不用于设置发热源的一个或以上主拼接件具有第二导热能力，所述第一导热能力大于第二导热能力；
    所述支架固定于主拼接件或辅拼接件上，或同时固定于主拼接件和辅拼接件上，其中所述支架与主拼接件或辅拼接件之间的可选固定点设有至少两个，以使得支架可选地设置于背框的不同位置。
  20. 根据权利要求 19 所述的宽频带吸波超材料，其特征在于，所述人造微结构为带有缺口的多边形或带有缺口的环形。
    根据权利要求 19 所述的等离子显示装置，其特征在于：
    所述主拼接件包括第一主拼接件、第二主拼接件、第三主拼接件以及第四主拼接件；
    所述第一主拼接件、第二主拼接件、第三主拼接件以及第四主拼接件拼接，以形成所述背框的主框架。
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