WO2013071561A1 - 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
WO2013071561A1
WO2013071561A1 PCT/CN2011/082690 CN2011082690W WO2013071561A1 WO 2013071561 A1 WO2013071561 A1 WO 2013071561A1 CN 2011082690 W CN2011082690 W CN 2011082690W WO 2013071561 A1 WO2013071561 A1 WO 2013071561A1
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WIPO (PCT)
Prior art keywords
assembling piece
primary assembling
primary
splicing
piece
Prior art date
Application number
PCT/CN2011/082690
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 US13/381,905 priority Critical patent/US8665390B2/en
Publication of WO2013071561A1 publication Critical patent/WO2013071561A1/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
    • G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
    • G02F1/1336—Illuminating devices
    • 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
    • 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
    • G02F1/133612—Electrical details

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, 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 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 solve the problem that the circuit board is not easily fixed.
  • 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 at least two primary assembling pieces, and further includes a secondary assembling piece and a bracket for fixing the circuit board; at least two primary assembling pieces are connected in a splicing manner to form The main frame of the back frame, the auxiliary assembling piece is spliced with the main frame;
  • at least two main assembling pieces include a primary assembling piece for setting a heat source, and the primary assembling piece for setting the heat source has a first heat conducting capability, at least two The remaining one or more primary assembling pieces of the primary assembling piece not used for setting the heat source have a second heat conducting capability; the first heat conducting capability is greater than 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
  • the bracket further includes a second depending portion, a second supporting portion and a second elastic folded portion
  • the second hanging portion is spaced apart from the first hanging portion, and laterally from the bracket body toward the bracket body
  • the second supporting portion is spaced from the bracket main body and extends from the second hanging portion to the lateral side of the second hanging portion
  • the second elastic folded portion is located between the second supporting portion and the bracket main body and is from the second hanging portion
  • the second overhang portion is folded laterally, and the second yoke portion and the second elastic gusset portion elastically clamp the second side edge of the circuit board opposite to the first side edge.
  • the back frame includes two brackets, and the two brackets are spaced apart to sandwich different positions of the first side edge and the second side edge of the circuit board.
  • the bracket body is stepped and bridged to two. Between the pieces.
  • 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 a 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 at least two main assembling pieces, and further comprises a auxiliary assembling piece.
  • a bracket for fixing the circuit board at least two main assembling pieces are connected in a splicing manner to form a main frame of the back frame, and the auxiliary assembling piece is spliced with the main frame; at least two main assembling pieces include a heat source for setting The primary assembling piece, the primary assembling piece for setting the heat source has the first heat conducting capability, and the other one of the at least two primary assembling pieces not used for setting the heat source has the second heat conducting capability; the first heat conducting capacity is greater than a second heat conduction capability; the bracket is used for fixing the circuit board, and the bracket comprises a bracket body, a first overhanging portion, a first supporting portion, and the first The main folding part or the auxiliary assembling piece is fixed on the main assembling piece or the auxiliary assembling piece, and the first hanging part extends from the bracket main body to the side of the bracket main body, and the first supporting part Intersecting from the main body of the bracket and extending from the first overhang portion to the lateral direction of the first overhanging
  • 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 present invention adopts a technical solution to provide a plasma display device including a plasma display panel and a back frame, the back frame being disposed on the back surface of the plasma display panel, and the back frame including at least two primary assembling pieces
  • the utility model further comprises a auxiliary assembling piece and a bracket for fixing the circuit board; at least two main assembling pieces are connected in a splicing manner to form a main frame of the back frame, and the auxiliary assembling piece is spliced with the main frame; at least two main assembling pieces are included
  • the primary assembling piece for setting the heat source the primary assembling piece for setting the heat source has the first heat conducting capability, and the other one of the at least two main assembling pieces not used for setting the heat source has the second heat conducting capability
  • the first thermal conductivity is greater than the second thermal conductivity
  • the bracket is used for fixing the circuit board, and the bracket comprises a bracket body, a first overhanging portion, a first supporting portion and a first elastic folding portion, and the bracket body is
  • 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 at least 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; the splicing back frame is used to reduce the cost of the back frame mold, and the back is saved.
  • the material of the frame to reduce the production cost of the flat panel display device.
  • the circuit board is further fixed by using a bracket including the bracket body, the first suspension portion, the first supporting portion and the first elastic folding portion, thereby solving the problem that the circuit board is not easily fixed.
  • 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 joint portion of two primary assembling pieces 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 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 block diagram showing the structure of a flat panel display device according to a fifteenth embodiment of the present invention.
  • Figure 18 is a partial schematic view showing a back frame of a flat panel display device according to a sixteenth embodiment of the present invention.
  • Figure 19 is a cross-sectional view showing the bracket and the circuit board in the back frame shown in Figure 18;
  • FIG. 20 is a schematic structural view of a back frame of a flat panel display device according to a seventeenth embodiment of the present invention.
  • 21 is a flow chart showing a method of manufacturing a back frame of a flat panel display device according to an eighteenth embodiment of the present invention.
  • FIG. 22 is a schematic structural diagram of a flat panel display device with a touch screen according to a nineteenth embodiment of the present invention.
  • FIG. 23 is a schematic structural diagram of a stereoscopic display device according to a twentieth embodiment of the present invention.
  • Figure 24 is a block diagram showing the structure of a plasma display apparatus according to a twenty-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 third 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.
  • One end of the first primary assembling piece 281 is spliced with one end of the second primary assembling piece 282, the other end of the second primary assembling piece 282 is spliced with one end of the third primary assembling piece 283, and the other end of the third primary assembling piece 283 is The other end of the primary assembling piece 281 is spliced.
  • 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 by the end-to-end stitching to form the main frame 27 of the back frame 23.
  • 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.
  • FIG. 6 is a schematic cross-sectional view showing a joint of two main assembling pieces 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 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.
  • FIG. 7 is a schematic diagram of a first auxiliary splicing member disposed diagonally on a main frame in a flat panel display device according to a sixth embodiment of the present invention.
  • 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, and one end of the second auxiliary assembling piece 236 and the first primary assembling piece 231
  • 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. Parallel settings.
  • 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.
  • 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.
  • 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 primary assembling member 234 are spliced.
  • 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.
  • the one end surface of the first primary assembling piece 231 is provided with at least 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 at the first
  • the primary assembling 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.
  • Figure 10 is a schematic cross-sectional view of the first embodiment of the splice portion of Figure 9.
  • 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.
  • FIG. 11 is a schematic diagram of a splicing manner of a joint portion of a back frame of a flat panel display device according to a ninth embodiment of the present invention.
  • a protrusion is provided 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 first main
  • the splicing member 231 corresponds to the recess of the position to splicing the first primary splicing member 231 and the second primary splicing member 232, as shown in FIG.
  • at least two protrusions, such as two, three or four, etc., arranged along the length direction of the second primary assembling piece 232 may be disposed on one end of the second primary assembling piece 232.
  • 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.
  • 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.
  • 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.
  • the bottom portion of the concave portion of the first main splicing member 231 is provided with a first through hole 2313
  • the second main splicing member 232 is provided with a second through hole 2321 corresponding to the position of the splicing portion 2311
  • the back frame 23 is further
  • the fixing member 240 is included, and the fixing member 240 passes through the first through hole 2313 and the second through hole 2321 to splicing the first primary assembling piece 231 and the second primary assembling piece 232.
  • 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.
  • the concave portion of the joint portions 2311, 2312 of the first primary assembling piece 231 has a circular shape.
  • those skilled in the art can completely set the shape of the recess to other polygonal shapes such as a triangle.
  • 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.
  • the splice portions 2311, 2312 are recesses penetrating the opposite sides of the first main splice member 231 such that one end of the second main splice member 232 is at the splice portion 2311. Move on 2312.
  • the through portion can be cut off, thereby adjusting the length of the second main assembling piece 232 as the main assembling piece of the back frame to obtain different sizes.
  • 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 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 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 view of a back frame of a flat panel display device according to a fourteenth embodiment of the present invention
  • FIG. 17 is a schematic structural view of a flat panel display device according to a fifteenth embodiment of the present invention.
  • the following uses four main splicing pieces and two auxiliary splicing pieces as an example to illustrate the back frame 23 of the flat panel display device 20 of the present invention.
  • the main splicing piece is provided with a heat source
  • the main splicing piece and other splicing pieces without a heat source are disposed. The difference 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 taking an LED as an example.
  • 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 composed of four primary assembling pieces and two auxiliary assembling pieces is taken as an example, as shown in FIG. 16-17, the first primary assembling piece 291, the second primary assembling piece 292, the third primary assembling piece 293, and the fourth.
  • the main assembling piece 294, the first auxiliary assembling piece 295 and the second auxiliary assembling piece 296 form a back frame.
  • the primary assembling piece in which the heat source 25 is disposed 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 other heat source 25 is not provided.
  • the first primary assembling piece 291, the third primary assembling piece 293, the first secondary assembling piece 295, and the second secondary 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.
  • the primary splicing member for arranging the heat source 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 invention not only uses different materials in different parts of the back frame to reduce costs, but also provides a bracket for fixing the circuit board on the back frame, the bracket includes a bracket body, a first overhanging portion, a first supporting portion and a first An elastic fold.
  • FIG. 18 is a partial schematic view of a 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 of the bracket and the circuit board of the back frame shown in FIG.
  • the splicing members 71, 72, and 73 are various splicing members of the above embodiment, and include a primary splicing member for splicing to form a backlight main frame or a secondary splicing member disposed in the main frame and spliced with the main frame.
  • the bracket 60 includes a bracket body 61, a first overhanging portion 62, a first supporting portion 63, and a first elastic folded portion 64.
  • the holder main body 61 is fixed to the splicing members 71 and 72.
  • the bracket body 61 is stepped and bridged between the two splice members 71, 72.
  • the bracket body 61 may be a straight strip or other shape, and the bracket body 61 may be fixed to the splicing member only at one end and suspended at the other end to simplify the mounting process.
  • the first suspension portion 62 extends from the bracket body 61 toward the side of the bracket body 61, and the first bracket portion 63 is spaced apart from the bracket body 61 and extends laterally from the first suspension portion 62 toward the first suspension portion 62.
  • the folded portion 64 is located between the first supporting portion 63 and the bracket main body 61 and is folded laterally from the first hanging portion 62 toward the first hanging portion 62.
  • the first supporting portion 63 and the first elastic folded portion 64 are elastically clamped.
  • the first side edge of the circuit board 80 is
  • the bracket 60 further includes a second depending portion 62', a second depending portion 63', and a second resilient folded portion 64'.
  • the second overhanging portion 62 ′ is spaced apart from the first overhanging portion 62 and extends from the bracket main body 61 toward the side of the bracket main body 61
  • the second supporting portion 63 ′ is spaced apart from the bracket main body 61 and is different from the second overhanging portion 62 ′.
  • the two overhanging portions 62' extend laterally
  • the second elastic folded portion 64' is located between the second supporting portion 63' and the bracket main body 61 and is turned laterally from the second hanging portion 62' toward the second hanging portion 62'.
  • the second supporting portion 63' and the second elastic folded portion 64' elastically sandwich the second side edge of the circuit board 80 opposite to the first side edge.
  • the first overhanging portion 62, the first supporting portion 63 and the first elastic folded portion 64 and the second overhanging portion 62', the second supporting portion 63' and the second elastic folded portion 64' are opposite to each other
  • the center line of the bracket main body 61 is symmetrically disposed.
  • only the first overhanging portion 62, the first supporting portion 63, and the first elastic folded portion 64 may be disposed on the bracket main body 61 of the bracket 60, thereby elastically clamping only the first portion of the circuit board 80.
  • One side edge and elastically holding the second side edge of the circuit board 80 by providing another bracket that is identical to the bracket 60.
  • an electromagnetic shielding member 100 is further disposed on the bracket body 61.
  • the electromagnetic shielding member 100 is spaced apart from the circuit board 80 to shield the electromagnetic signals generated by the circuit board 80.
  • the electromagnetic shield 100 can be a Faraday mesh or a metal sheet.
  • a bracket 90 having the same structure as the bracket 60 is further provided, and the bracket 90 is spaced apart from the bracket 60 to sandwich different positions of the first side edge and the second side edge of the circuit board 80. .
  • the circuit board is fixed by providing a bracket on the splicing member, thereby solving the problem that the circuit board is not easily fixed.
  • FIG. 20 is a schematic structural view of a back frame of a flat panel display device according to a seventeenth embodiment of the present invention.
  • the main frame of the back frame is formed by 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 first auxiliary assembling piece 305 and the second auxiliary assembling piece 306 are formed.
  • the two ends are respectively spliced with the first primary assembling piece 301 and the third primary assembling piece 303.
  • the main frame is provided with the second primary assembling piece 302 and the fourth primary assembling piece 304 for setting a heat generating source, and the second primary assembling piece 302 and the fourth primary assembling piece 304 for setting the heat source have the first thermal conductivity.
  • the remaining first primary splicing member 301 and the third primary splicing member 303 are not used to set the heat source.
  • the first thermal conductivity is greater than the second thermal conductivity.
  • a bracket 307 fixed between the second primary assembling piece 302 and the second secondary assembling piece 306 is disposed on the main frame.
  • the bracket 307 (shown in FIGS. 18 and 19) includes a bracket body, a first overhanging portion, a first supporting portion, and a first elastic folding portion.
  • the bracket body is fixed to the second primary assembling piece 302 and the second auxiliary assembling piece 306.
  • the first overhanging portion extends from the bracket main body toward the side of the bracket main body, and the first supporting portion is spaced apart from the bracket main body and extends from the first hanging portion toward the lateral side of the first hanging portion, and the first elastic folding portion is located at the first setting The first portion and the first elastic portion are elastically clamped to the first side edge of the circuit board.
  • the back frame described in this embodiment may adopt the spliced back frame of any of the foregoing embodiments.
  • the bracket structure as described above is disposed on the splicing member of the back frame, the problem that the circuit board is not easily fixed is solved, and different materials are used in each part according to practical applications, the material cost is reduced, and the back frame splicing portion can be improved. strength.
  • FIG. 21 is a flowchart of a method of manufacturing a back frame of a flat panel display device according to an eighteenth embodiment of the present invention, including The following steps:
  • Step 501 Manufacture 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, One or more of the remaining at least two primary splicing members that are not used to set the heat source have a second thermal conductivity that is greater than the second thermal conductivity.
  • Step 502 splicing the at least two primary assembling pieces to form a main frame of the back frame, and providing a bracket on the back frame for fixing the circuit board.
  • 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. 22 is a block diagram showing the structure of a flat panel display device having a touch screen according to a nineteenth 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 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 light source is an LED light source, and a thermal conductive silica gel is disposed between the LED light source and a primary splicing member that carries the LED 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, as shown in FIG. 23, and FIG. 23 is a schematic structural view of a stereoscopic display device according to a twentieth 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 the backlight system 32 including a light source (not shown), a light-sharing mechanism (not labeled), and a 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 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, as shown in FIG. 24, which is a schematic structural view of a plasma display device according to a twenty-first embodiment of the present invention.
  • the plasma display device 40 includes a plasma display panel 41 and a back frame 42, and the back frame 42 is disposed on the back surface 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）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）的光线导入显示面板（22）；背框（23）包括至少两个主拼接件（301，302，303，304），还包括辅拼接件（305，306）以及用于固定电路板（31）的支架（60）；背框（23）根据实际应用，不同位置的各部分使用不同材料；在背框（23）上设置支架（60）用于固定电路板（80），支架（60）包括支架主体（61）、第一悬垂部（62）、第一衬托部（63）以及第一弹性翻折部（64）。还披露了一种立体显示装置（30）以及等离子显示装置（40）。所述平板显示装置（20）、立体显示装置（30）以及等离子显示装置（40）的背框（23）结构简单，解决了电路板（80）不易固定的问题，能够降低背框（23）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。

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，并解决电路板不易固定的问题。
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，匀光机构将来自光源的光线导入显示面板；背框包括至少两个主拼接件，还包括辅拼接件以及用于固定电路板的支架；至少两个主拼接件以拼接方式进行连接以形成背框的主框架，辅拼接件与主框架拼接；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；支架用于固定电路板，支架包括支架主体、第一悬垂部、第一衬托部以及第一弹性翻折部，支架主体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，第一悬垂部从支架主体向支架主体的侧向延伸，第一衬托部与支架主体间隔且从第一悬垂部向第一悬垂部的侧向延伸，第一弹性翻折部位于第一衬托部与支架主体之间且从第一悬垂部向第一悬垂部的侧向翻折，第一衬托部与第一弹性翻折部弹性夹持电路板的第一侧边缘。
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，支架进一步包括第二悬垂部、第二衬托部以及第二弹性翻折部，第二悬垂部与第一悬垂部间隔设置，且从支架主体向支架主体的侧向延伸，第二衬托部与支架主体间隔且从第二悬垂部向第二悬垂部的侧向延伸，第二弹性翻折部位于第二衬托部与支架主体之间且从第二悬垂部向第二悬垂部的侧向翻折，第二衬托部与第二弹性翻折部弹性夹持电路板的与第一侧边缘相对的第二侧边缘。
根据本发明一优选实施例，背框包括两个支架，两个支架间隔设置，以夹持电路板的第一侧边缘和第二侧边缘的不同位置，支架主体呈阶梯形且桥接于两个拼接件之间。
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；背框包括至少两个主拼接件，还包括辅拼接件以及用于固定电路板的支架；至少两个主拼接件以拼接方式进行连接以形成背框的主框架，辅拼接件与主框架拼接；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；支架用于固定电路板，支架包括支架主体、第一悬垂部、第一衬托部以及第一弹性翻折部，支架主体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，第一悬垂部从支架主体向支架主体的侧向延伸，第一衬托部与支架主体间隔且从第一悬垂部向第一悬垂部的侧向延伸，第一弹性翻折部位于第一衬托部与支架主体之间且从第一悬垂部向第一悬垂部的侧向翻折，第一衬托部与第一弹性翻折部弹性夹持电路板的第一侧边缘。
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；背框包括至少两个主拼接件，还包括辅拼接件以及用于固定电路板的支架；至少两个主拼接件以拼接方式进行连接以形成背框的主框架，辅拼接件与主框架拼接；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；支架用于固定电路板，支架包括支架主体、第一悬垂部、第一衬托部以及第一弹性翻折部，支架主体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，第一悬垂部从支架主体向支架主体的侧向延伸，第一衬托部与支架主体间隔且从第一悬垂部向第一悬垂部的侧向延伸，第一弹性翻折部位于第一衬托部与支架主体之间且从第一悬垂部向第一悬垂部的侧向翻折，第一衬托部与第一弹性翻折部弹性夹持电路板的第一侧边缘。
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至少两个主拼接件，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；使用拼接式背框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。此外，进一步利用包括支架主体、第一悬垂部、第一衬托部以及第一弹性翻折部的支架来固定电路板，解决电路板不易固定的问题。
【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示意图；
图19是图18所示的背框中的支架和电路板的截面示意图；
图20是是根据本发明第十七实施例的平板显示装置的背框的结构示意图
图21是根据本发明第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22是根据本发明第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23是根据本发明第二十实施例的立体显示装置的结构示意图；
图24是根据本发明第二十一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，如图11所示。此外，所述第二主拼接件232的一端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。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。
本发明不仅在背框不同位置的各部分使用不同的材料制作以降低成本，还在背框上设置用于固定电路板的支架，支架包括支架主体、第一悬垂部、第一衬托部以及第一弹性翻折部。
请参阅图18和图19，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示意图，图19是图18所示的背框中的支架和电路板的截面示意图。拼接件71、72和73为上述实施例的各种拼接件，包括用于拼接形成背光主框架的主拼接件或者设置于主框架内且与主框架拼接的辅拼接件。支架60包括支架主体61、第一悬垂部62、第一衬托部63以及第一弹性翻折部64。支架主体61固定于拼接件71和72上。在本实施例中，支架主体61呈阶梯形且桥接于两个拼接件71、72之间。然而，在本发明的备选实施例中，支架主体61可为直条形或其他形状，且支架主体61可仅一端固定于拼接件上，另一端悬空设置，以简化安装过程。
第一悬垂部62从支架主体61向支架主体61的侧向延伸，第一衬托部63与支架主体61间隔且从第一悬垂部62向第一悬垂部62的侧向延伸，第一弹性翻折部64位于第一衬托部63与支架主体61之间且从第一悬垂部62向第一悬垂部62的侧向翻折，第一衬托部63与第一弹性翻折部64弹性夹持电路板80的第一侧边缘。
请继续参见图19，支架60进一步包括第二悬垂部62’、第二衬托部63’以及第二弹性翻折部64’。第二悬垂部62’与第一悬垂部62间隔设置，且从支架主体61向支架主体61的侧向延伸，第二衬托部63’与支架主体61间隔且从第二悬垂部62’向第二悬垂部62’的侧向延伸，第二弹性翻折部64’位于第二衬托部63’与支架主体61之间且从第二悬垂部62’向第二悬垂部62’的侧向翻折，第二衬托部63’与第二弹性翻折部64’弹性夹持电路板80的与第一侧边缘相对的第二侧边缘。在优选实施例中，第一悬垂部62、第一衬托部63及第一弹性翻折部64与第二悬垂部62’、第二衬托部63’及第二弹性翻折部64’相对于支架主体61的中心线成对称设置。在本发明的备选实施例中，支架60的支架主体61上可以仅设置第一悬垂部62、第一衬托部63及第一弹性翻折部64，进而仅弹性夹持电路板80的第一侧边缘，并通过设置与支架60相同的另一支架来弹性夹持电路板80的第二侧边缘。
请继续参见图19，在电路板80装配完毕后，进一步在支架主体61设置上一个电磁屏蔽件100，电磁屏蔽件100与电路板80间隔设置，以对电路板80产生的电磁信号进行屏蔽。电磁屏蔽件100可以是法拉第网或金属片。
请继续参见图18，在本实施例中，进一步设置与支架60结构相同的支架90，支架90与支架60间隔设置，以夹持电路板80的第一侧边缘和第二侧边缘的不同位置。
在本实施例中，通过在拼接件上设置支架来固定电路板，解决了电路板不易固定的问题。
综上所述，本发明提出另一种平板显示装置的背框，背框具有前述各个实施例的背框结构。请参阅图20，图20是根据本发明第十七实施例的平板显示装置的背框的结构示意图。背框的主框架由第一主拼接件301、第二主拼接件302、第三主拼接件303、第四主拼接件304首尾拼接形成，第一辅拼接件305和第二辅拼接件306的两端分别与第一主拼接件301和第三主拼接件303相拼接。主框架设置有前述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。在主框架上设置固定于第二主拼接件302和第二辅拼接件306之间的支架307。支架307（如图18、19所示）包括支架主体、第一悬垂部、第一衬托部以及第一弹性翻折部，支架主体固定于第二主拼接件302和第二辅拼接件306上，第一悬垂部从支架主体向支架主体的侧向延伸，第一衬托部与支架主体间隔且从第一悬垂部向第一悬垂部的侧向延伸，第一弹性翻折部位于第一衬托部与支架主体之间且从第一悬垂部向第一悬垂部的侧向翻折，第一衬托部与第一弹性翻折部弹性夹持所述电路板的第一侧边缘。
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。在背框的拼接件上设置了如前述的支架结构后，解决了电路板不易固定的问题，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，并且能提高背框拼接处的强度。
本发明还提供一种制造平板显示装置的背框的方法，如图21所示，图21是根据本发明第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，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：将所述至少两个主拼接件进行拼接以形成背框的主框架，在背框上设置支架用于固定电路板。
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。
图22根据本发明第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。如图22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，如图23所示，图23是根据本发明第二十实施例的立体显示装置的结构示意图。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，如图24所示，图24是根据本发明第二十一实施例的等离子显示装置结构示意图。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 (16)

  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；所述背框包括至少两个主拼接件，还包括辅拼接件以及用于固定电路板的支架；
    所述至少两个主拼接件以拼接方式进行连接以形成背框的主框架，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；
    所述支架用于固定电路板，所述支架包括支架主体、第一悬垂部、第一衬托部以及第一弹性翻折部，所述支架主体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，所述第一悬垂部从所述支架主体向所述支架主体的侧向延伸，所述第一衬托部与所述支架主体间隔且从所述第一悬垂部向所述第一悬垂部的侧向延伸，所述第一弹性翻折部位于所述第一衬托部与所述支架主体之间且从所述第一悬垂部向所述第一悬垂部的侧向翻折，所述第一衬托部与所述第一弹性翻折部弹性夹持所述电路板的第一侧边缘。
  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：所述支架进一步包括第二悬垂部、第二衬托部以及第二弹性翻折部，所述第二悬垂部与所述第一悬垂部间隔设置，且从所述支架主体向所述支架主体的侧向延伸，所述第二衬托部与所述支架主体间隔且从所述第二悬垂部向所述第二悬垂部的侧向延伸，所述第二弹性翻折部位于所述第二衬托部与所述支架主体之间且从所述第二悬垂部向所述第二悬垂部的侧向翻折，所述第二衬托部与所述第二弹性翻折部弹性夹持所述电路板的与所述第一侧边缘相对的第二侧边缘。
  5. 根据权利要求1所述的平板显示装置，其特征在于：所述背框包括两个所述支架，所述两个支架间隔设置，以夹持所述电路板的所述第一侧边缘和所述第二侧边缘的不同位置，所述支架主体呈阶梯形且桥接于两个所述拼接件之间。
  6. 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。
  7. 根据权利要求6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。
  8. 根据权利要求6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。
  9. 根据权利要求6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。
  11. 根据权利要求10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。
  12. 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。
  13. 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；
    所述背框包括至少两个主拼接件，还包括辅拼接件以及用于固定电路板的支架；
    所述至少两个主拼接件以拼接方式进行连接以形成背框的主框架，所述辅拼接件与所述主框架拼接；
    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；
    所述支架用于固定电路板，所述支架包括支架主体、第一悬垂部、第一衬托部以及第一弹性翻折部，所述支架主体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，所述第一悬垂部从所述支架主体向所述支架主体的侧向延伸，所述第一衬托部与所述支架主体间隔且从所述第一悬垂部向所述第一悬垂部的侧向延伸，所述第一弹性翻折部位于所述第一衬托部与所述支架主体之间且从所述第一悬垂部向所述第一悬垂部的侧向翻折，所述第一衬托部与所述第一弹性翻折部弹性夹持所述电路板的第一侧边缘。
  14. 根据权利要求13所述的立体显示装置，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。
  15. 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；
    所述背框包括至少两个主拼接件，还包括辅拼接件以及用于固定电路板的支架；
    所述至少两个主拼接件以拼接方式进行连接以形成背框的主框架，所述辅拼接件与所述主框架拼接；
    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；
    所述支架用于固定电路板，所述支架包括支架主体、第一悬垂部、第一衬托部以及第一弹性翻折部，所述支架主体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，所述第一悬垂部从所述支架主体向所述支架主体的侧向延伸，所述第一衬托部与所述支架主体间隔且从所述第一悬垂部向所述第一悬垂部的侧向延伸，所述第一弹性翻折部位于所述第一衬托部与所述支架主体之间且从所述第一悬垂部向所述第一悬垂部的侧向翻折，所述第一衬托部与所述第一弹性翻折部弹性夹持所述电路板的第一侧边缘。
  16. 根据权利要求15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。
PCT/CN2011/082690 2011-11-18 2011-11-23 平板显示装置、立体显示装置以及等离子显示装置 WO2013071561A1 (zh)

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