WO2013071620A1 - 背框、背框的制造方法以及背光系统 - Google Patents

背框、背框的制造方法以及背光系统 Download PDF

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Publication number
WO2013071620A1
WO2013071620A1 PCT/CN2011/082805 CN2011082805W WO2013071620A1 WO 2013071620 A1 WO2013071620 A1 WO 2013071620A1 CN 2011082805 W CN2011082805 W CN 2011082805W WO 2013071620 A1 WO2013071620 A1 WO 2013071620A1
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WO
WIPO (PCT)
Prior art keywords
splicing
piece
sub
back frame
primary assembling
Prior art date
Application number
PCT/CN2011/082805
Other languages
English (en)
French (fr)
Inventor
黄冲
萧宇均
郭仪正
李全
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 US13/380,825 priority Critical patent/US8944665B2/en
Publication of WO2013071620A1 publication Critical patent/WO2013071620A1/zh

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Classifications

    • 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
    • G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
    • G02F1/1336—Illuminating devices
    • G02F1/133602—Direct backlight
    • G02F1/133608—Direct backlight including particular frames or supporting means
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/0001—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems
    • G02B6/0011—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems the light guides being planar or of plate-like form
    • G02B6/0081—Mechanical or electrical aspects of the light guide and light source in the lighting device peculiar to the adaptation to planar light guides, e.g. concerning packaging
    • G02B6/0086—Positioning aspects
    • 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 back frame, a method of manufacturing the back frame, and a backlight system.
  • 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, and it is necessary to set different back frame molds according to liquid crystal panels of different sizes.
  • FIG. 1 is a schematic structural diagram of a back frame of a liquid crystal display device in the prior art.
  • the back frame 10 adopts an integral back frame, and the integral back frame 10 is usually produced by metal stamping or plastic injection.
  • the integral back frame 10 needs to consume too much material. The material cost is high.
  • the large-sized back frame 10 needs to use a large punching device, and the corresponding frame of the back frame 10 has a large size, a complicated structure, and a high cost of the back frame mold. Therefore, the back frame of the prior art is costly.
  • the technical problem to be solved by the present invention is to provide a back frame, a manufacturing method of the back frame, and a backlight system, which can reduce material cost and mold cost.
  • a technical solution adopted by the present invention is to provide a back frame of a flat panel display device, the back frame includes at least two primary assembling pieces, and at least two primary assembling pieces are connected in a splicing manner; at least two mains The length of the splicing member is adjustable to form a main frame of a back frame of different sizes, wherein the lengths of the two sides of the main frame are adjusted.
  • the main splicing piece with adjustable length includes a first sub-splicing piece and a second sub-splicing piece spliced end to end.
  • the back frame includes a first fixing member and a second fixing member, and the first fixing member and the second fixing member respectively splicing the first sub-splicing member and the second sub-splicing member at different positions.
  • first sub-splicing member One end of the first sub-splicing member is provided with a first slit along the length direction of the first sub-splicing member, and one end of the second sub-splicing member is provided with a second slit along the length direction of the second sub-splicing member;
  • the fixing member respectively splices the first sub-splicing piece and the second sub-splicing piece through the first slit and the second slit, and the second fixing member passes through the first slit and the second slit respectively to the first sub-segment
  • the splicing piece and the second sub-assembling piece are spliced.
  • the distance between the two side walls of the first slit periodically changes in the direction of the first slit, forming a plurality of alternating wide spaces and narrow spaces
  • the wide space is adapted to the size of the first fixing member and the fixing member
  • the size of the narrow space is smaller than the size of the first fixing member and the fixing member
  • the distance between the two side walls of the second slit periodically changes in the direction of the second slit to form a plurality of alternating wide spaces and narrow spaces
  • the width is wide.
  • the space is adapted to the dimensions of the first fixing member and the fixing member, and the size of the narrow space is smaller than the size of the first fixing member and the fixing member.
  • first sub-splicing member is provided with a first through hole and a second through hole spaced along the longitudinal direction of the first sub-splicing piece, and one end of the second sub-splicing piece is disposed along the length direction of the second sub-splicing piece.
  • the slit has a length greater than a distance between the first through hole and the second through hole; the first fixing member passes through the first through hole and the slit respectively to splicing the first sub-splicing piece and the second sub-splicing piece The second fixing member passes through the second through hole and the slit respectively to splicing the first sub-assembling piece and the second sub-splicing piece.
  • first sub-splicing member is provided with a through hole and a first slit spaced along the longitudinal direction of the first sub-splicing piece, and the first slit extends along the length direction of the first sub-splicing piece, and the second sub-splicing piece
  • One end is provided with a second slit along the length direction of the second sub-splicing piece, the length of the second slit is larger than the spacing between the through hole and the first slit;
  • the first fixing member passes through the through hole and the second slit respectively
  • the first sub-splicing piece and the second sub-splicing piece are spliced, and the second fixing piece passes through the first slit and the second slit respectively to splicing the first sub-splicing piece and the second sub-splicing piece.
  • One end of the first sub-splicing member is provided with a sliding slot along the longitudinal direction of the first sub-splicing member, and one end of the second sub-splicing member is provided with a sliding rail along the length direction of the second sub-splicing member; the sliding slot and the sliding rail cooperate Settings.
  • the main splicing piece with adjustable length comprises a first sub-splicing piece, a second sub-splicing piece and an intermediate splicing piece, the first sub-splicing piece is spliced with one end of the intermediate splicing piece, and the second sub-splicing piece and the intermediate splicing piece are further One end is spliced.
  • 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 spaced apart along the length direction of the first primary assembling piece.
  • the first assembling piece is spliced with one end of the corresponding second main assembling piece through any one of the joint parts.
  • the splicing portion is a recess provided on a surface of the first main splicing piece and adapted to an end of the second main splicing piece to receive one end of the second main splicing piece.
  • the bottom of the concave portion of the first primary assembling piece is provided with a third through hole
  • the corresponding position of the second primary assembling piece is provided with a fourth through hole
  • the back frame includes a fixing member, and the fixing member passes through the first through hole and the second through hole The hole is used to splicing the first primary assembling piece and 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 at least two protrusions arranged along the length direction of the second primary assembling piece, and the protrusion is embedded in the concave portion.
  • 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 all straight and end to end Stitching to surround the rectangular main frame forming the back frame.
  • the back frame includes a secondary splicing piece disposed in the main frame, and the auxiliary splicing piece includes a first auxiliary splicing piece and a second auxiliary splicing piece, and the two ends of the first auxiliary splicing piece are respectively associated with the first primary splicing piece and the second main splicing piece At least two main splicing pieces of the splicing piece, the third main splicing piece and the fourth main splicing piece are spliced, and the two ends of the second auxiliary splicing piece are respectively combined with the first main splicing piece, the second main splicing piece and the third main splicing And splicing at least two of the fourth primary splicing pieces.
  • the two ends of the first auxiliary splicing piece are respectively spliced with the first primary splicing piece and the second main splicing piece disposed adjacently, and the two ends of the second auxiliary splicing piece are adjacent to the third main splicing piece and the fourth
  • the main splicing piece is 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 with the first main splicing piece, Third main splicing piece splicing;
  • the second primary assembling piece, the fourth primary assembling piece, the first auxiliary assembling piece and the second auxiliary assembling piece are arranged in parallel.
  • the back frame includes at least one bracket, and is detachably fixed to one of the first primary assembling piece, the second primary assembling piece, the third primary assembling piece, the fourth primary assembling piece, the first auxiliary assembling piece, and the second auxiliary assembling piece.
  • the bracket is provided with a convex hull.
  • a technical solution adopted by the present invention is to provide a method for manufacturing a back frame of a flat panel display device, the method comprising: making at least two primary assembling pieces of the back frame; and at least two primary assembling pieces The splicing is performed while the length of at least two of the primary splicing members is adjustable to form a main frame of the back frame of different sizes, wherein the lengths of the two sides of the main frame are adjusted.
  • the step of making at least two primary assembling pieces of the back frame includes: fabricating at least first and second primary assembling pieces, wherein one end of the first primary assembling piece is provided with at least two joints, each of the joints The structure is matched with one end of the corresponding second primary assembling piece; the step of splicing the at least two primary assembling pieces comprises: selecting a joint of at least two joints according to the size of the back frame and the corresponding second primary assembling piece One end is spliced.
  • a stitching portion of the at least two stitching portions and the corresponding number are selected according to the size of the back frame Before or after the step of splicing one end of the two primary assembling pieces, the other splicing portions of the first primary assembling piece located outside the splicing position of the second primary splicing piece are cut off.
  • a technical solution adopted by the present invention is to provide a backlight system including 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 back frame is the above-mentioned back frame.
  • the beneficial effects of the present invention are: different from the prior art, the back frame of the present invention, the manufacturing method of the back frame, and the backlight system are provided by setting at least two primary assembling pieces, wherein the length of at least one primary assembling piece is adjustable. To form the main frame of the back frame of different sizes.
  • the mold structure of the back frame can be simplified, the cost of the back frame mold can be reduced, and the material of the back frame can be saved to reduce the production cost of the flat panel display device.
  • 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 structural view of a splicing manner in a flat panel display device according to a fifth embodiment of the present invention.
  • FIG. 7 is a schematic view showing a diagonal arrangement of a first auxiliary assembling piece 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 splicing 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 joint portion of a back frame of a flat panel display device according to a thirteenth embodiment of the present invention.
  • 16 is a schematic structural view showing the size of an adjustment back frame of a flat panel display device according to a fourteenth embodiment of the present invention.
  • FIG. 17 is an exploded perspective view showing the size of an adjustment back frame of a flat panel display device according to a fifteenth embodiment of the present invention.
  • FIG. 18 is a plan view showing the size of an adjustment back frame of a flat panel display device according to a sixteenth embodiment of the present invention.
  • FIG. 19 is a schematic cross-sectional view showing the size of an adjustment back frame of a flat panel display device according to a seventeenth embodiment of the present invention.
  • 20 is an exploded perspective view showing the size of an adjustment back frame of a flat panel display device according to an eighteenth embodiment of the present invention.
  • 21 is a plan view showing the size of an adjustment back frame of a flat panel display device according to a nineteenth embodiment of the present invention.
  • FIG. 22 is an exploded perspective view showing the size of an adjustment back frame of a flat panel display device according to a twentieth embodiment of the present invention.
  • FIG. 23 is a plan view showing the size of an adjustment back frame of a flat panel display device according to a twenty-first embodiment of the present invention.
  • Figure 24 is a cross-sectional view showing the size of an adjustment back frame of a flat panel display device according to a twenty-second embodiment of the present invention.
  • 25 is an exploded perspective view showing the size of an adjustment back frame of a flat panel display device according to a twenty-third embodiment of the present invention.
  • 26 is a plan view showing the size of an adjustment back frame of a flat panel display device according to a twenty-fourth embodiment of the present invention.
  • Figure 27 is a cross-sectional view showing the size of an adjustment back frame of a flat panel display device according to a twenty-fifth embodiment of the present invention.
  • FIG. 28 is an exploded perspective view showing the size of an adjustment back frame of a flat panel display device according to a twenty-sixth embodiment of the present invention.
  • 29 is a schematic cross-sectional view showing the size of an adjustment back frame of a flat panel display device according to a twenty-seventh embodiment of the present invention.
  • FIG. 30 is a flow chart showing a method of manufacturing a back frame of a flat panel display device according to a twenty-eighth embodiment of the present invention.
  • FIG. 31 is a schematic structural diagram of a flat panel display device with a touch screen according to a twenty-ninth embodiment of the present invention.
  • FIG. 32 is a schematic structural view of a stereoscopic display device according to a thirtieth embodiment of the present invention.
  • Figure 33 is a block diagram showing the structure of a plasma display device in accordance with a thirty-first 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. 3 is a schematic structural diagram 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 surface 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 the light homogenizing 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 diffusing plate.
  • the back frame 23 includes at least a first primary assembling piece and a second primary assembling piece, and at least the first and second primary assembling pieces form the 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 main frame 27 of the back frame 23.
  • the first primary splicing member 261 and the second primary splicing member 262 are both aluminum or galvanized steel.
  • the first primary assembling piece 261 and the second primary assembling piece 262 are L-shaped.
  • the second embodiment of the back frame 23 includes a first primary splicing member 281, a second primary splicing member 282, and a third primary splicing member 283.
  • the three primary assembling pieces 281, 282, and 283 are joined to form the main frame 27 of the back frame 23.
  • the three primary splices 281, 282, and 283 are either aluminum or galvanized steel.
  • 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 piece 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.
  • 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 are formed into a rectangular main frame 27 of the back frame 23 by end-to-end stitching.
  • the first auxiliary splicing piece 235 and the second auxiliary splicing piece 236 are provided as auxiliary splicing pieces, are disposed in the main frame 27, and are spliced with the main frame 27.
  • first primary assembling piece 231 is spliced with one end of the second primary assembling piece 232, and the other end of the second primary assembling piece 232 is spliced with one end of the third primary assembling piece 233, and the third primary assembling piece 233 is The other end is spliced with one end of the fourth primary assembling piece 234, and the other end of the fourth primary assembling piece 234 is spliced with the other end of the first primary assembling piece 231 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 are all aluminum parts or galvanized steel pieces.
  • 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 are all straight strips.
  • 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 all be disposed in an L shape, or partially disposed in a straight strip shape, and the remaining ones are disposed in an L shape.
  • the first primary assembling piece 261 and the second primary assembling piece 262 are all disposed in an L shape; in FIG. 4, the first primary assembling piece 281 is disposed in an L shape, and the second and third primary assembling pieces 282 are provided.
  • And 283 is set to a straight strip.
  • 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 on one end of 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 means of screwing, fastening or welding.
  • the first auxiliary assembling piece 235 and the second auxiliary assembling piece 236 are disposed in the main frame 27 of the back frame 23 .
  • One end of the first auxiliary assembling piece 235 is spliced with the first primary assembling piece 231
  • the other end of the first auxiliary assembling piece 235 is spliced with the third primary assembling piece 233
  • the other end of the second auxiliary assembling piece 236 is spliced with the third primary assembling piece 233, and between 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.
  • one of ordinary skill in the art provides at least one secondary splice within the main frame 27, such as only the first secondary splice 235 disposed within the main frame 27.
  • the two ends of the first auxiliary assembling piece 235 can be respectively spliced with at least two primary assembling pieces 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.
  • the first sub-assembler 235 is diagonally disposed in the main frame 27 as shown in FIG.
  • the two ends of the second auxiliary assembling piece 236 may be respectively combined with at least two 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.
  • Splicing pieces are spliced.
  • the two ends of the first auxiliary assembling piece 235 are respectively spliced with the adjacent first primary assembling piece 231 and the second primary assembling piece 232, and the two ends of the second auxiliary assembling piece 236 are respectively disposed adjacent to the third main assembly.
  • the splicing member 233 and the fourth main splicing member 234 are spliced, as shown in FIG.
  • 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, the brackets 2372 and 2373 are respectively fixed on the first auxiliary assembling piece 235, the bracket 2374 is fixed on the second auxiliary assembling piece 236, and the bracket 2375 is fixed on the second primary assembling piece.
  • the two ends of the brackets 2376 and 2377 are respectively fixed to the first auxiliary assembling piece 235 and the second auxiliary assembling piece 236.
  • the bracket may be fixed to one of the first primary assembling piece 231, the second primary assembling piece 232, the third primary assembling piece 233, the fourth primary assembling piece 234, the first auxiliary assembling piece 235, and the second auxiliary assembling piece 236. or above.
  • those skilled in the art can fully provide other numbers of brackets, such as a bracket or more, on the back frame 23.
  • the bracket can be detachably fixed to one of the first primary assembling piece 231, the second primary assembling piece 232, the third primary assembling piece 233, the fourth primary assembling piece 234, the first auxiliary assembling piece 235, and the second auxiliary assembling piece 236. or above.
  • a convex package (not shown) is disposed on the brackets 2371, 2372, 2373, 2374, 2375, 2376, and 2377, and the back frame 23 can fix the circuit board or the like through the convex package.
  • the first primary assembling piece 231 and the third primary assembling piece 233 are the same in size, the same shape, and 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 have the same size and the same shape, and are stamped and produced by the same die to realize mold sharing. Therefore, the back frame 23 of the present invention can be produced by stamping using two small-sized molds.
  • the back frame 10 requires a large-sized mold, and 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 can greatly save material compared to the overall back frame of the back frame 10 in the prior art, thereby reducing 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.
  • one end of the first primary assembling piece is provided with two splicing portions, and the structure of the splicing portion is matched with one end of the corresponding second main splicing portion, so that the first primary assembling piece is Stitching with one end of the corresponding second primary assembling piece.
  • first primary assembling piece 231 is provided with the splicing portions 2311, 2312, and the splicing portions 2311, 2312 are arranged along the length direction of the first primary assembling piece 231, and the splicing portions 2311, 2312 are in the first main splicing.
  • the piece 231 is provided with a recess shaped to fit one end of the second primary assembling piece 232 to receive one end of the second primary assembling piece 232.
  • the splicing portions 2311, 2312 are recesses that do not penetrate the opposite ends of the first primary splicing member 231, the concave portion has a rectangular shape, and the second primary splicing member 232 has a straight strip shape.
  • the joint portion 2311 closer to the end of the first primary assembling piece 231 is first selected, and the second primary assembling piece 232 of the corresponding width is selected. Then, one end of the second primary assembling piece 232 is placed on the concave portion of the joint portion 2311. Then, one end of the second primary assembling piece 232 is spliced and fixed on the joint portion 2311 by screwing, fastening or welding.
  • the splicing portion 2312 that is farther from the end of the first primary splicing member 231 is first selected, and the second primary splicing member 232 of the corresponding width is selected.
  • one end of the second primary assembling piece 232 is placed on the concave portion of the joint portion 2312. Then, one end of the second primary assembling piece 232 is spliced and fixed on the joint portion 2312 by screwing, fastening or welding.
  • a protrusion is disposed at a corresponding position on the surface of the second primary assembling piece 232, 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, as shown in FIG.
  • one end of the second primary assembling piece 232 may be provided with at least two protrusions spaced along the length direction of the second primary assembling piece 232, such as two, three or four or the like.
  • 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 is provided with a convex portion of a multi-step structure adapted to the concave portion, as shown in FIG.
  • the splicing portion 2311 is taken as an example
  • the bottom of the concave portion of the first primary assembling piece 231 is provided with a third through hole 2313
  • the second primary assembling piece 232 is provided with a fourth position corresponding to the splicing portion 2311 .
  • the through frame 23321 further includes a fixing member 240.
  • the fixing member 240 passes through the third through hole 2313 and the fourth through hole 2321 to splicing the first primary assembling piece 231 and the second primary assembling piece 232.
  • the concavities of the splice portions 2311, 2312 of the first main assembling member 231 are circular in shape.
  • those skilled in the art can completely set the shape of the recess to other polygonal shapes such as a triangle.
  • the splice portions 2311, 2312 are recesses penetrating through opposite sides of the first main splice member 231 so that one end of the second main splice member 232 Move on the splicing portions 2311, 2312.
  • the through portion can be cut off, thereby adjusting the length of the second primary assembling piece 232 as the main frame of the back frame.
  • the other end of the first primary assembling piece 231 and the two ends of the third primary assembling piece 233 are provided with two splice portions, the structure of which is the same as that of the splice portions 2311, 2312; and in the second main stitching Both ends of the member 232 and the two ends of the fourth primary assembling member 234 are correspondingly designed or not designed corresponding to different situations, such as:
  • the two ends of the second primary assembling piece 232 and the two ends of the fourth primary assembling piece 234 may not be designed any, that is, the ends are identical in structure to other parts.
  • the different splicing portions 2311 (2312) at one end of the first primary assembling piece 231 are selected for splicing (the other end is also processed)
  • the width of the back frame 23 is correspondingly changed
  • the length of the splicing member 234 is also selected accordingly.
  • the second primary splicing member 232 and the fourth primary splicing member 234 are not cut, or the cut portion is shorter; if the selection is farther away from the first
  • the second main splicing piece 232 and the fourth main splicing piece 234 are both cut, according to the distance of the splicing part from the end of the first main splicing piece 231, and the cutting is performed.
  • the part is also longer or shorter;
  • the other end of the first primary assembling piece 231 and the two ends of the third primary assembling piece 233 are provided with two joint portions, and the structure thereof is the same as that of the joint portions 2311, 2312. That is to say, at least two splices are provided on the first main assembling piece, which will not be repeated here.
  • the first main splicing member of the back frame 23 of the present invention is provided with at least two splicing portions, and the number of splicing portions is set according to user requirements.
  • two splicing portions 2311 and 2312 are selected. description. Therefore, when setting the mold of the back frame 23, only two sets of molds, that is, the mold of the first main assembling piece and the mold of the second main assembling piece are disposed, and a plurality of splices are arranged on the first main assembling piece to be spliced.
  • Back frame 23 of various sizes.
  • the corresponding splicing portion may be selected according to the size of the back frame 23, and the second main splicing piece is spliced on the splicing portion of the first main splicing piece through the splicing portion, and the first main splicing piece is The other splices located outside the splice location of the second primary splice are cut to obtain the back frame 23 of the desired size.
  • the present 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 at least two for forming one end of the main assembling piece.
  • Sub-pattern of stitching 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.
  • each splice portion is adapted to the end of the corresponding second main assembling piece to adjust the size of the main frame, and A plurality of sub-assemblies are arranged on the splicing member to adjust the size of the main frame.
  • the main frame includes a first primary assembling piece, a second primary assembling piece, a third primary assembling piece, and a fourth primary assembling piece.
  • the first primary assembling piece includes a first sub-assembling piece 31 and a second sub-assembling piece 32.
  • the third primary assembling piece includes a third sub-splicing piece 41 and a fourth sub-splicing piece 42.
  • the back frame further includes a first auxiliary assembling piece 235, a second auxiliary assembling piece 236, and brackets 2381, 2382, 2383, 2384, 2385, 2386.
  • the main frame further includes an adjustment area 331 and an adjustment area 332 that adjust the length of the primary splice.
  • the modification of the length of the first primary assembling piece is adjusted by the adjustment area 331, specifically, the relative position of the first sub-assembling piece 31 and the second sub-assembling piece 32 is adjusted.
  • the modification of the length of the third primary splicing member is achieved by adjusting the adjustment area 332, specifically adjusting the relative positions of the third sub-splicing member 41 and the fourth sub-splicing member 42.
  • the length of the primary splicing piece, the length of the secondary splicing piece, and the length of the bracket can be achieved by providing two or more sub-splicing pieces, that is, the corresponding length can be adjusted.
  • the specific adjustment mode is as follows: as shown in FIG. 17, 18 and 19, one end of the first sub-assembling piece 31 is provided with a first slit 311 along the length direction of the first sub-splicing piece, and one end of the second sub-splicing piece 32 is provided.
  • the second slit 321 along the length direction of the second sub-splicing piece, and the back frame further includes a first fixing member 34 and a second fixing member 35.
  • the first fixing member 34 passes through the first slit 311 and the second slit 321 respectively to splicing the first sub-splicing member 31 and the second sub-splicing member 32
  • the second fixing member 35 passes through the first slit 311 and The second slit 321 splices the first sub-splicing piece 31 and the second sub-splicing piece 32.
  • FIG. 18 and FIG. 19 are a plan view and a cross-sectional view, respectively, of the first sub-splicing member 31 and the second sub-splicing member 32.
  • the splicing method is screwing or riveting. As shown in the figure, the splicing method is riveting. In other embodiments, the splicing method may be welding or the like.
  • the first fixing member 34 and the second fixing member 35 may be omitted for welding or some riveting.
  • first sub-assembling piece 31 and the second sub-splicing piece 32 may be spliced using a fixing member on the basis of other fixing methods at the same time.
  • the embodiments of the present invention implement various methods for adjusting the size of the back frame, such as:
  • the distance between the two side walls of the first slit 311 periodically changes in the direction of the first slit to form a plurality of alternating wide spaces and narrow spaces, and the wide space is adapted to the first fixing.
  • the size of the piece 34, the size of the narrow space is smaller than the size of the first fixing member 34.
  • the distance between the two side walls of the second slit 321 is also periodically changed in the direction of the second slit to form a plurality of alternating wide spaces and narrow spaces, and the wide space is adapted to the size of the first fixing member 34, and the narrow space
  • the size is smaller than the size of the first fixing member 34.
  • the first fixing member 34 passes through the first slit 311 and the second slit 321 to respectively splicing the first sub-assembling piece 31 and the second sub-splicing piece 32.
  • 21 is a plan view showing the splicing of the first sub-splicing member 31 and the second sub-splicing member 32.
  • more than two fasteners may be used to splicing the first sub-splicing member 31 and the second sub-splicing member 32.
  • the manner of adjusting the size of the back frame can also be as shown in FIG. 22, 23 and 24.
  • One end of the first sub-assembling piece 31 is provided with a first through hole 312 and a second interval which are arranged along the longitudinal direction of the first sub-assembling piece 31.
  • One end of the second sub-splicing member 32 is provided with a second slit 321 along the longitudinal direction of the second sub-splicing member 32.
  • the length of the second slit 321 is greater than that of the first through hole 312 and the second through hole 313. The spacing between the two.
  • the first sub-splicing member 31 and the second sub-splicing member 32 are spliced by the first fixing member 34 passing through the first through hole 312 and the second slit 321 respectively, and the second fixing member 35 passes through the second through hole 313 respectively.
  • the first sub-splicing piece 31 and the second sub-splicing piece 32 are spliced together with the second slit 321 .
  • 23 and 24 are a plan view and a cross-sectional view, respectively, after the first sub-assembling piece 31 and the second sub-splicing piece 32 are joined.
  • the manner of adjusting the size of the back frame can also be as shown in FIG. 25, 26 and 27.
  • One end of the first sub-assembling piece 31 is provided with a first through hole 312 and a first interval which are arranged along the longitudinal direction of the first sub-assembling piece 31.
  • a slit 311, the first slit 311 extends along the longitudinal direction of the first sub-splicing member 31, and one end of the second sub-splicing member 32 is provided with a second slit 321 along the length direction of the second sub-splicing member 32, and the second slit
  • the length of 321 is greater than the spacing between the first through hole 312 and the first slit 311.
  • the first sub-splicing member 31 and the second sub-splicing member 32 are spliced by the first fixing member 34 passing through the first through hole 312 and the second slit 321 respectively, and the second fixing member 35 passes through the first slit 311 respectively.
  • the first sub-splicing piece 31 and the second sub-splicing piece 32 are spliced together with the second slit 321 .
  • 26 and 27 are a plan view and a cross-sectional view, respectively, after the first sub-splicing member 31 and the second sub-splicing member 32 are joined.
  • the length-adjustable primary assembling member includes a first sub-splicing member 31, a second sub-splicing member 32, and an intermediate assembling member 36.
  • One end of the first sub-assembling member 31 is provided along the first sub-splicing.
  • the first through hole 312 and the second through hole 313 are disposed at intervals in the longitudinal direction of the member 31.
  • One end of the second sub-splicing member 32 is provided with a third through hole 322 and a fourth through which are spaced apart along the longitudinal direction of the second sub-assembling member 32.
  • the hole 323 and the intermediate splicing piece 36 are provided with a third slit 361 and a fourth slit 362 which are spaced apart along the longitudinal direction of the intermediate splicing piece 36.
  • the first fixing member 34 passes through the first through hole 312 and the third slit 361 to splicing one end of the first sub-assembling piece 31 and the intermediate assembling piece 36 respectively
  • the second fixing member 35 passes through the second through hole 313 and The third slit 361 splices one end of the first sub-assembling piece 31 and the intermediate assembling piece 36.
  • the third fixing member 37 passes through the third through hole 322 and the fourth slit 362 respectively to splicing the other ends of the second sub-assembling member 32 and the intermediate assembling member 36.
  • the fourth fixing member 38 passes through the fourth through-hole respectively.
  • the hole 323 and the fourth slit 362 splicing the other ends of the second sub-assembling member 32 and the intermediate assembling member 36.
  • FIG. 29 is a cross-sectional view showing the splicing of the first sub-splicing member 31 and the second sub-splicing member 32.
  • first sub-splicing member and the second sub-splicing member may respectively be disposed with a plurality of through holes spaced along the length thereof, and the first sub-splicing member and the second sub-member are passed through the through holes of different positions through the fixing member.
  • the splicing pieces are spliced.
  • the splicing method may be screwing or riveting, and the screw joint or the rivet joint may be two or more.
  • the specific operation is: at one end of the first sub-assembling piece along the length of the first sub-splicing piece A sliding slot is disposed, and one end of the second sub-splicing member is disposed along the length direction of the second sub-splicing piece, and the sliding slot and the sliding rail are cooperatively arranged to facilitate the splicing of the first sub-assembling piece and the second sub-assembling piece.
  • the number of spliced sub-flocks is two or more.
  • the splicing method is screwing, riveting or welding.
  • the various components of the main frame can be sized in the manner described above.
  • the present invention also provides a method of manufacturing a back frame of a flat panel display device, the method comprising the following steps:
  • Step 301 making at least two primary assembling pieces of the back frame
  • Step 302 splicing at least two primary assembling pieces, wherein at least two primary assembling pieces are adjustable in length to form a main frame of different sizes of the back frame, wherein the lengths of the two sides of the main frame are adjusted .
  • the step of making at least two primary assembling pieces of the back frame includes: fabricating at least first and second primary assembling pieces, wherein one end of the first primary assembling piece is provided with at least two joints, each of the joints The structure is adapted to the end of the corresponding second primary splicing member.
  • the step of splicing the at least two primary assembling pieces comprises: selecting one splicing portion of the at least two splicing portions according to the size of the back frame to splicing with one end of the corresponding second primary 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.
  • 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 the above-described display panel 22 .
  • the backlight system 21 is disposed on the back surface 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 the light homogenizing 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 diffusing plate.
  • the back frame 23 includes at least a first primary assembling piece and a second primary assembling piece, and at least the first and second primary assembling pieces form the main frame 27 of the back frame 23.
  • 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.
  • the stereoscopic display device 30 includes a liquid crystal lens grating 51, a backlight system 52, and a display panel 53.
  • the liquid crystal lens grating 51 is disposed on the light emitting surface of the display panel 53.
  • the backlight system 52 is a backlight system of the above embodiments, such as the backlight system 52 including the back frame 23.
  • the back frame 23 includes at least a first primary assembling piece and a second primary assembling piece, 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 present invention also provides a plasma display device 40.
  • the plasma display device 40 includes a plasma display panel 61 and a back frame 62, and the back frame 62 is disposed on the back surface of the plasma display panel 61.
  • the back frame 62 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）的背框（23）、制造平板显示装置（20）的方法和背光系统（21），所述背框（23）包括：包括至少两个主拼接件，所述至少两个主拼接件以拼接方式连接；至少两个所述主拼接件的长度可调，以形成不同尺寸的所述背框（23）的主框架（27），其中，所述主框架（27）上平行的两边其长度均进行调整。通过上述方式，可以使背框（23）的模具结构简单，降低背框（23）的模具成本，并且节省背框（23）的材料，以降低平板显示装置（20）的生产成本。

Description

背框、背框的制造方法以及背光系统
【技术领域】
本发明涉及显示技术领域，特别是涉及一种背框、背框的制造方法以及背光系统。
【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。
【发明内容】
本发明主要解决的技术问题是提供一种背框、背框的制造方法以及背光系统，能够降低材料成本和模具成本。
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的背框，背框包括至少两个主拼接件，至少两个主拼接件以拼接方式连接；至少两个主拼接件的长度可调，以形成不同尺寸的背框的主框架，其中，主框架上平行的两边其长度均进行调整。
其中，长度可调的主拼接件包括端与端拼接的第一子拼接件和第二子拼接件。
其中，背框包括第一固定件和第二固定件，第一固定件和第二固定件分别在不同位置将第一子拼接件和第二子拼接件拼接。
其中，第一子拼接件的一端设有沿第一子拼接件长度方向的第一狭缝，第二子拼接件的一端设有沿第二子拼接件长度方向的第二狭缝；第一固定件分别穿过第一狭缝和第二狭缝而将第一子拼接件和第二子拼接件拼接，第二固定件分别穿过第一狭缝和第二狭缝而将第一子拼接件和第二子拼接件拼接。
其中，第一狭缝的两侧壁之间的距离在第一狭缝方向上周期性变化，形成多个交替的宽阔空间和狭窄空间，宽阔空间适配第一固定件和固定件的尺寸，狭窄空间的尺寸小于第一固定件和固定件的尺寸；第二狭缝的两侧壁之间的距离在第二狭缝方向上周期性变化，形成多个交替的宽阔空间和狭窄空间，宽阔空间适配第一固定件和固定件的尺寸，狭窄空间的尺寸小于第一固定件和固定件的尺寸。
其中，第一子拼接件的一端设有沿第一子拼接件长度方向间隔设置的第一贯穿孔和第二贯穿孔，第二子拼接件的一端设有沿第二子拼接件长度方向的狭缝，狭缝的长度大于第一贯穿孔和第二贯穿孔之间的间距；第一固定件分别穿过第一贯穿孔和狭缝而将第一子拼接件和第二子拼接件拼接，第二固定件分别穿过第二贯穿孔和狭缝而将第一子拼接件和第二子拼接件拼接。
其中，第一子拼接件的一端设有沿第一子拼接件长度方向间隔设置的贯穿孔和第一狭缝，第一狭缝沿第一子拼接件长度方向延伸，第二子拼接件的一端设有沿第二子拼接件长度方向的第二狭缝，第二狭缝的长度大于贯穿孔和第一狭缝之间的间距；第一固定件分别穿过贯穿孔和第二狭缝而将第一子拼接件和第二子拼接件拼接，第二固定件分别穿过第一狭缝和第二狭缝而将第一子拼接件和第二子拼接件拼接。
其中，第一子拼接件的一端设有沿第一子拼接件长度方向设置滑槽，第二子拼接件的一端设有沿第二子拼接件长度方向的滑轨；滑槽和滑轨配合设置。
其中，长度可调的主拼接件包括第一子拼接件、第二子拼接件以及中间拼接件，第一子拼接件与中间拼接件的一端拼接，第二子拼接件与中间拼接件的另一端拼接。
其中，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，第一主拼接件通过其任一拼接部与相应的第二主拼接件的一端拼接。
其中，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。
其中，第一主拼接件的凹部底部设有第三贯穿孔，第二主拼接件的相应位置设有第四贯穿孔，背框包括固定件，固定件穿过第一贯穿孔和第二贯穿孔以将第一主拼接件和第二主拼接件拼接。
其中，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至少两个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，以拼接第一主拼接件和第二主拼接件。
其中，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皆为直条形，并且首尾拼接，以围绕形成所述背框的矩形主框架。
其中，背框包括设置于主框架内的辅拼接件，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主拼接件拼接，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。
其中，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； 第二主拼接件、第四主拼接件、第一辅拼接件以及第二辅拼接件之间平行设置。
其中，背框包括至少一个支架，可拆卸固定于第一主拼接件、第二主拼接件、第三主拼接件、第四主拼接件、第一辅拼接件以及第二辅拼接件之一或以上，支架设有凸包。
为解决上述技术问题，本发明采用的一个技术方案是：提供一种制造平板显示装置的背框的方法，该方法包括：制作背框的至少两个主拼接件；将至少两个主拼接件进行拼接，同时其中至少两个主拼接件的长度可调，以形成不同尺寸的背框的主框架，其中，主框架上平行的两边其长度均进行调整。
其中，制作背框的至少两个主拼接件的步骤包括：制作至少第一、第二两个主拼接件，其中第一主拼接件的一端设有至少两个拼接部，每个拼接部的结构与相应的第二主拼接件一端适配；将至少两个主拼接件进行拼接的步骤包括：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。
其中，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。
为解决上述技术问题，本发明采用的一个技术方案是：提供一种背光系统，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，背框为上述的背框。
本发明的有益效果是：区别于现有技术的情况，本发明的背框、背框的制造方法以及背光系统通过设置最少两个主拼接件，其中，至少一个主拼接件的长度可调，以形成不同尺寸的背框的主框架。通过上述方式，可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。
【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拼接方式的结构示意图；
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拼接部的结构示意图；
图16是根据本发明第十四实施例的一种平板显示装置的调节背框尺寸的结构示意图；
图17是根据本发明第十五实施例的一种平板显示装置的调节背框尺寸的分解示意图；
图18是根据本发明第十六实施例的一种平板显示装置的调节背框尺寸的平面示意图；
图19是根据本发明第十七实施例的一种平板显示装置的调节背框尺寸的切面示意图；
图20是根据本发明第十八实施例的一种平板显示装置的调节背框尺寸的分解示意图；
图21是根据本发明第十九实施例的一种平板显示装置的调节背框尺寸的平面示意图；
图22是根据本发明第二十实施例的一种平板显示装置的调节背框尺寸的分解示意图；
图23是根据本发明第二十一实施例的一种平板显示装置的调节背框尺寸的平面示意图；
图24是根据本发明第二十二实施例的一种平板显示装置的调节背框尺寸的切面示意图；
图25是根据本发明第二十三实施例的一种平板显示装置的调节背框尺寸的分解示意图；
图26是根据本发明第二十四实施例的一种平板显示装置的调节背框尺寸的平面示意图；
图27是根据本发明第二十五实施例的一种平板显示装置的调节背框尺寸的切面示意图；
图28是根据本发明第二十六实施例的一种平板显示装置的调节背框尺寸的分解示意图；
图29是根据本发明第二十七实施例的一种平板显示装置的调节背框尺寸的切面示意图；
图30是根据本发明第二十八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31是根据本发明第二十九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32是根据本发明第三十实施例的立体显示装置的结构示意图；
图33是根据本发明第三十一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的第二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。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的矩形主框架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。
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。
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。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，如图8所示。
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。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。具体上，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，如图11所示。此外，所述第二主拼接件232的一端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，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，如图12所示。此外，如图13所示，以拼接部2311为例，第一主拼接件231的凹部底部设有第三贯穿孔2313，第二主拼接件232相应于拼接部2311的位置上设有第四贯穿孔2321，背框23进一步包括固定件240，固定件240穿过第三贯穿孔2313和第四贯穿孔2321，以将第一主拼接件231和第二主拼接件232拼接。
如图14，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，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。
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。
在发明中，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。也就是说，第一主拼接件上设有至少两个拼接部，在此不再一一赘述。
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。
除了上述通过在第一主拼接件的一端设置至少两个拼接部，每个拼接部的结构与相应的第二主拼接件的一端适配，来调节主框架的尺寸外，还可以通过在主拼接件上设置多个子拼接件来调节主框架尺寸的大小。
如图16所示，主框架包括第一主拼接件、第二主拼接件、第三主拼接件以及第四主拼接件。第一主拼接件包括第一子拼接件31和第二子拼接件32。第三主拼接件包括第三子拼接件41和第四子拼接件42。背框还包括第一辅拼接件235、第二辅拼接件236以及支架2381、2382、2383、2384、2385、2386。
图16中，主框架进一步包括可调节主拼接件长度的调节区域331和调节区域332。第一主拼接件的长度的更改通过调节区域331来调节，具体是调节第一子拼接件31和第二子拼接件32的相对位置来实现。第三主拼接件的长度的更改通过调节区域332来调节，具体是调节第三子拼接件41和第四子拼接件42的相对位置来实现。
当然，在更多实施例中，主拼接件的长度、辅拼接件的长度以及支架的长度都可通过设两个或以上子拼接件接驳的形式来实现，也即可以调节相应的长度。
具体调节方式如下：如图17、18和19所示，第一子拼接件31的一端设有沿第一子拼接件长度方向的第一狭缝311，第二子拼接件32的一端设有沿第二子拼接件长度方向的第二狭缝321，同时背框还包括第一固定件34和第二固定件35。第一固定件34分别穿过第一狭缝311和第二狭缝321而将第一子拼接件31和第二子拼接件32拼接，第二固定件35分别穿过第一狭缝311和第二狭缝321而将第一子拼接件31和第二子拼接件32拼接。
其中，图18和图19分别为第一子拼接件31和第二子拼接件32拼接后的平面图和切面图。拼接方式有螺接或铆接等，如图所示，拼接方式为铆接，在其它实施例中，拼接方式可以是焊接等。对于采用焊接或某些铆接方式而言，可以省略第一固定件34和第二固定件35。
在其它实施例中，在同时采用其他固定方式的基础上，也可以使用一个固定件将第一子拼接件31和第二子拼接件32拼接。
本发明实施例实现背框尺寸可调的方式多种多样，还比如：
如图20和21所示，第一狭缝311的两侧壁之间的距离在第一狭缝方向上周期性变化，形成多个交替的宽阔空间和狭窄空间，宽阔空间适配第一固定件34的尺寸，狭窄空间的尺寸小于第一固定件34的尺寸。第二狭缝321的两侧壁之间的距离在第二狭缝方向上也周期性变化，形成多个交替的宽阔空间和狭窄空间，宽阔空间适配第一固定件34的尺寸，狭窄空间的尺寸小于第一固定件34的尺寸。第一固定件34分别穿过第一狭缝311和第二狭缝321而将第一子拼接件31和第二子拼接件32拼接。
图21为第一子拼接件31和第二子拼接件32拼接后的平面图。
在其它实施例中，还可以使用两个以上的固定件来拼接第一子拼接件31和第二子拼接件32。
实现背框尺寸可调的方式还可以如图22、23和24所示，第一子拼接件31的一端设有沿第一子拼接件31长度方向间隔设置的第一贯穿孔312和第二贯穿孔313，第二子拼接件32的一端设有沿第二子拼接件32长度方向的第二狭缝321，第二狭缝321的长度大于第一贯穿孔312和第二贯穿孔313之间的间距。
通过第一固定件34分别穿过第一贯穿孔312和第二狭缝321而将第一子拼接件31和第二子拼接件32拼接，第二固定件35分别穿过第二贯穿孔313和第二狭缝321而将第一子拼接件31和第二子拼接件32拼接。图23和图24分别为第一子拼接件31和第二子拼接件32拼接后的平面图和切面图。
实现背框尺寸可调的方式还可以如图25、26和27所示，第一子拼接件31的一端设有沿第一子拼接件31长度方向间隔设置的第一贯穿孔312和第一狭缝311，第一狭缝311沿第一子拼接件31长度方向延伸，第二子拼接件32的一端设有沿第二子拼接件32长度方向的第二狭缝321，第二狭缝321的长度大于第一贯穿孔312和第一狭缝311之间的间距。
通过第一固定件34分别穿过第一贯穿孔312和第二狭缝321而将第一子拼接件31和第二子拼接件32拼接，第二固定件35分别穿过第一狭缝311和第二狭缝321而将第一子拼接件31和第二子拼接件32拼接。图26和图27分别为第一子拼接件31和第二子拼接件32拼接后的平面图和切面图。
如图28和29所示，长度可调的主拼接件包括第一子拼接件31、第二子拼接件32以及中间拼接件36，第一子拼接件31的一端设有沿第一子拼接件31长度方向间隔设置的第一贯穿孔312和第二贯穿孔313，第二子拼接件32的一端设有沿第二子拼接件32长度方向间隔设置的第三贯穿孔322和第四贯穿孔323，中间拼接件36设有沿中间拼接件36长度方向间隔设置的第三狭缝361和第四狭缝362。
第一固定件34分别穿过第一贯穿孔312和第三狭缝361而将第一子拼接件31和中间拼接件36的一端拼接，第二固定件35分别穿过第二贯穿孔313和第三狭缝361而将第一子拼接件31和中间拼接件36的一端拼接。第三固定件37分别穿过第三贯穿孔322和第四狭缝362而将第二子拼接件32和中间拼接件36的另一端拼接，同样，第四固定件38分别穿过第四贯穿孔323和第四狭缝362而将第二子拼接件32和中间拼接件36的另一端拼接。
图29为第一子拼接件31和第二子拼接件32拼接后的切面图。
在其它实施例中，第一子拼接件和第二子拼接件可以分别沿其长度方向间隔设置多个贯穿孔，通过固定件穿过不同位置的贯穿孔将第一子拼接件和第二子拼接件进行拼接。拼接方式可以为螺接或铆接，螺接点或铆接点可以为两个或以上。
在其它实施例中，为了使第一子拼接件和第二子拼接件在拼接过程中更快进行定位及配合，具体操作为，在第一子拼接件的一端沿第一子拼接件长度方向设置滑槽，第二子拼接件的一端沿第二子拼接件长度方向设置滑轨，滑槽和滑轨配合设置，以方便第一子拼接件和第二子拼接件的拼接。
如前述，可以有多种方式来改变主框架的尺寸大小，并且拼接的子拼接件的数量为两个或以上。拼接方式为螺接、铆接或焊接。主框架的各个组成部分都可以通过上述方式来调节尺寸。
如图30所示，本发明还提供一种制造平板显示装置的背框的方法，该方法包括以下步骤：
步骤301，制作背框的至少两个主拼接件；
步骤302，将至少两个主拼接件进行拼接，同时其中至少两个主拼接件的长度可调，以形成不同尺寸的背框的主框架，其中，主框架上平行的两边其长度均进行调整。
其中，制作背框的至少两个主拼接件的步骤包括：制作至少第一、第二两个主拼接件，其中第一主拼接件的一端设有至少两个拼接部，每个拼接部的结构与相应的第二主拼接件一端适配。
将至少两个主拼接件进行拼接的步骤包括：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。
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。
如图31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。
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，如图32所示，立体显示装置30包括液晶透镜光栅51、背光系统52以及显示面板53。其中，液晶透镜光栅51设置于显示面板53的出光面上。背光系统52为上述各实施例的背光系统，比如背光系统52包括背框23。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，如图33所示，等离子显示装置40包括等离子显示面板61以及背框62，背框62设置在等离子显示面板61的背面。其中，背框62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 (21)

  1. 一种平板显示装置的背框，其特征在于：
    所述背框包括至少两个主拼接件，所述至少两个主拼接件以拼接方式连接；
    至少两个所述主拼接件的长度可调，以形成不同尺寸的所述背框的主框架，其中，所述主框架上平行的两边其长度均进行调整。
  2. 根据权利要求1所述的背框，其特征在于：
    所述长度可调的主拼接件包括端与端拼接的第一子拼接件和第二子拼接件。
  3. 根据权利要求2所述的背框，其特征在于：
    所述背框包括第一固定件和第二固定件，所述第一固定件和第二固定件分别在不同位置将第一子拼接件和第二子拼接件拼接。
  4. 根据权利要求3所述的背框，其特征在于：
    所述第一子拼接件的一端设有沿第一子拼接件长度方向的第一狭缝，所述第二子拼接件的一端设有沿第二子拼接件长度方向的第二狭缝；
    所述第一固定件分别穿过第一狭缝和第二狭缝而将第一子拼接件和第二子拼接件拼接，所述第二固定件分别穿过第一狭缝和第二狭缝而将第一子拼接件和第二子拼接件拼接。
  5. 根据权利要求4所述的背框，其特征在于：
    所述第一狭缝的两侧壁之间的距离在第一狭缝方向上周期性变化，形成多个交替的宽阔空间和狭窄空间，所述宽阔空间适配第一固定件和固定件的尺寸，所述狭窄空间的尺寸小于第一固定件和固定件的尺寸；
    所述第二狭缝的两侧壁之间的距离在第二狭缝方向上周期性变化，形成多个交替的宽阔空间和狭窄空间，所述宽阔空间适配第一固定件和固定件的尺寸，所述狭窄空间的尺寸小于第一固定件和固定件的尺寸
  6. 根据权利要求3所述的背框，其特征在于：
    所述第一子拼接件的一端设有沿第一子拼接件长度方向间隔设置的第一贯穿孔和第二贯穿孔，所述第二子拼接件的一端设有沿第二子拼接件长度方向的狭缝，所述狭缝的长度大于第一贯穿孔和第二贯穿孔之间的间距；
    所述第一固定件分别穿过第一贯穿孔和狭缝而将第一子拼接件和第二子拼接件拼接，所述第二固定件分别穿过第二贯穿孔和狭缝而将第一子拼接件和第二子拼接件拼接。
  7. 根据权利要求3所述的背框，其特征在于：
    所述第一子拼接件的一端设有沿第一子拼接件长度方向间隔设置的贯穿孔和第一狭缝，所述第一狭缝沿第一子拼接件长度方向延伸，所述第二子拼接件的一端设有沿第二子拼接件长度方向的第二狭缝，所述第二狭缝的长度大于贯穿孔和第一狭缝之间的间距；
    所述第一固定件分别穿过贯穿孔和第二狭缝而将第一子拼接件和第二子拼接件拼接，所述第二固定件分别穿过第一狭缝和第二狭缝而将第一子拼接件和第二子拼接件拼接。
  8. 根据权利要求2所述的背框，其特征在于：
    所述第一子拼接件的一端设有沿第一子拼接件长度方向设置滑槽，所述第二子拼接件的一端设有沿第二子拼接件长度方向的滑轨；
    所述滑槽和滑轨配合设置。
  9. 根据权利要求1所述的背框，其特征在于：
    所述长度可调的主拼接件包括第一子拼接件、第二子拼接件以及中间拼接件，所述第一子拼接件与中间拼接件的一端拼接，所述第二子拼接件与中间拼接件的另一端拼接。
  10. 根据权利要求1所述的背框，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。
  11. 根据权利要求10所述的背框，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。
  12. 根据权利要求11所述的背框，其特征在于：
    所述第一主拼接件的凹部底部设有第三贯穿孔，所述第二主拼接件的相应位置设有第四贯穿孔，所述背框包括固定件，所述固定件穿过第一贯穿孔和第二贯穿孔以将第一主拼接件和第二主拼接件拼接。
  13. 根据权利要求10所述的背框，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至少两个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。
  14. 根据权利要求10所述的背框，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皆为直条形，并且首尾拼接，以围绕形成所述背框的矩形主框架。
  15. 根据权利要求14所述的背框，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。
  16. 根据权利要求15所述的背框，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；所述第二主拼接件、第四主拼接件、第一辅拼接件以及第二辅拼接件之间平行设置。
  17. 根据权利要求15所述的背框，其特征在于：
    所述背框包括至少一个支架，可拆卸固定于所述第一主拼接件、第二主拼接件、第三主拼接件、第四主拼接件、第一辅拼接件以及第二辅拼接件之一或以上，所述支架设有凸包。
  18. 一种制造平板显示装置的背框的方法，其特征在于：
    制作背框的至少两个主拼接件；
    将所述至少两个主拼接件进行拼接，同时其中至少两个所述主拼接件的长度可调，以形成不同尺寸的所述背框的主框架，其中，所述主框架上平行的两边其长度均进行调整。
  19. 根据权利要求18所述的方法，其特征在于：
    所述制作背框的至少两个主拼接件的步骤包括：制作至少第一、第二两个主拼接件，其中第一主拼接件的一端设有至少两个拼接部，每个拼接部的结构与相应的第二主拼接件一端适配；
    所述将至少两个主拼接件进行拼接的步骤包括：根据背框的尺寸选择所述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。
  20. 根据权利要求19所述的方法，其特征在于：当所述第二主拼接件的拼接位置与所述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所述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，将所述第一主拼接件中位于所述第二主拼接件的拼接位置外侧的所述其他拼接部裁切掉。
  21. 一种背光系统，其特征在于：
    所述背光系统包括光源、匀光机构以及背框；
    所述背框承载所述光源和匀光机构，所述背框为权利要求上述所述的背框。
PCT/CN2011/082805 2011-11-18 2011-11-24 背框、背框的制造方法以及背光系统 WO2013071620A1 (zh)

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