WO2007007396A1 - ガラス製パネルを有する表示装置およびその分離方法 - Google Patents
ガラス製パネルを有する表示装置およびその分離方法 Download PDFInfo
- Publication number
- WO2007007396A1 WO2007007396A1 PCT/JP2005/012829 JP2005012829W WO2007007396A1 WO 2007007396 A1 WO2007007396 A1 WO 2007007396A1 JP 2005012829 W JP2005012829 W JP 2005012829W WO 2007007396 A1 WO2007007396 A1 WO 2007007396A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- adhesive layer
- wire
- display device
- display panel
- metal plate
- Prior art date
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B26—HAND CUTTING TOOLS; CUTTING; SEVERING
- B26F—PERFORATING; PUNCHING; CUTTING-OUT; STAMPING-OUT; SEVERING BY MEANS OTHER THAN CUTTING
- B26F3/00—Severing by means other than cutting; Apparatus therefor
- B26F3/06—Severing by using heat
- B26F3/08—Severing by using heat with heated members
- B26F3/12—Severing by using heat with heated members with heated wires
Definitions
- the present invention relates to a flat panel display device that facilitates separation of a display panel (planar display element) mainly composed of glass and a metal plate (holding mechanism) to which the display panel is attached, and a method for separating the flat panel display device. Regarding the law.
- the display (display panel) of these flat display devices is mainly made of glass.
- the flat display element made of glass is firmly fixed to a chassis member (holding mechanism) made of a metal plate such as aluminum or iron using double-sided tape. Fixing a display panel made of glass to a chassis member usually requires strength that is difficult to separate and is firmly bonded and fixed.
- the display panel and the chassis member are separated by cutting or peeling the double-sided tape by some method.
- the double-sided tape has a strong adhesive force (adhesive force), it is difficult to separate the PDP panel body and the chassis member by a normal method.
- a display panel body and a metal chassis member that holds the display panel body by adhering the display panel body with an adhesive are provided, and a heat generating member is arranged in an adhesive material.
- a technique has been proposed in which when the display panel main body and the chassis member are separated, the adhesive force is reduced by melting or degrading the adhesive by the heat of the heat generating member (Patent Document 1).
- a display panel having a plurality of discharge cells, and a chassis member that holds the display panel by bonding the back side of the display panel with a heat conductive sheet the heat conductive sheet is thermally conductive
- the heat conductive sheet is first bonded to the front surface of the chassis member.
- the adhesive sheet It has been proposed to cut a porous insulating sheet through a cutting member (see, for example, Patent Document 2).
- a method of cutting the adhesive layer between the display panel main body and the chassis member using a saw see, for example, Patent Documents 3 and 4
- a display panel main body and a chassis or the like.
- a method in which a member is heated with high-frequency power to melt and peel off the adhesive layer see, for example, Patent Document 5
- the display panel body and the chassis member are thermally conductive made of a stretch-peeling adhesive. It has been proposed to arrange and adhere the adhesive members while laminating them, and at the time of peeling, pulling the ends of the stretch-peeling adhesive to reduce the adhesive force to separate them (see, for example, Patent Document 6).
- Patent Document 1 JP 2002-123187 A
- Patent Document 2 JP 2004-4075 A
- Patent Document 3 Japanese Patent Laid-Open No. 2004-29630
- Patent Document 3 Japanese Patent Application Laid-Open No. 2004-184677
- Patent Document 5 Japanese Unexamined Patent Application Publication No. 2004-111092
- Patent Document 6 Japanese Unexamined Patent Application Publication No. 2004-309547
- the present invention solves the above-mentioned problems of the prior art, and is a flat surface that allows the display panel body and the chassis member to be easily separated without preparing large equipment or special tools during disposal.
- An object is to provide a display device. Furthermore, an object of the present invention is to provide a flat display device with a low manufacturing cost that uses an inexpensive wire without using a special double-sided tape.
- a heating element is placed in contact with an adhesive layer that bonds a metal part and a glass part, and a predetermined interval is provided within the surface, and the adhesive layer is heated to reduce the adhesive force. To separate the glass part from the metal plate.
- a display panel mainly made of glass, an adhesive layer disposed on the back side of the display panel, and a metal plate on which the display panel is attached by the adhesive layer
- the one or more wire heating elements are disposed between the display panel and the metal plate in contact with the adhesive layer, and the wire heating elements are continuously arranged on a plane at a predetermined interval. Place with.
- both ends of the wire-like heating element protrude from the display device, and an external force can be applied.
- the present invention provides the display device as described above, wherein the wire-like heating element is electrically insulated except for the vicinity of both ends, and further, the both ends of the wire-like heating element are arranged close to each other and the adhesive It protruded from the layer.
- the present invention provides the display device as described above, wherein when the wire-like heating element has no other wire-like heating element between the end portions of the adhesive layer, the wire-like heating element and the adhesive layer The distance from the end is set to 1Z2 or less of the interval for arranging the wire heating element.
- the present invention is a display panel mainly composed of glass and disposed on the back side of the display panel.
- An adhesive layer and a metal plate to which the panel display sticks are adhered by the adhesive layer, and one or more wire-like heating elements are interposed between the display panel and the metal plate in contact with the adhesive layer.
- the wire-like heating element is energized when the display panel and the metal plate are separated.
- the display panel device made of glass bonded to a metal plate when the display panel device made of glass bonded to a metal plate is discarded, the display panel and the metal plate can be easily disassembled.
- FIG. 1 is an exploded perspective view for explaining an outline of the structure of a PDP panel main body constituting a PDP display device that is useful for the present invention.
- FIG. 2 is a plan view for explaining the structure on the metal plate side constituting the PDP panel module according to the present invention.
- FIG. 3 is a partially deleted plan view illustrating the structure of the PDP panel module according to the present invention.
- FIG. 4 is a view also showing the upper force showing the structure of the PDP panel module that is effective in the present invention.
- FIG. 5 is a partially deleted plan view for explaining the structure of the second embodiment of the PDP panel module according to the present invention.
- FIGS. 1 to 6 taking a plasma display (PDP) as an example.
- PDP plasma display
- FIG. 1 An example of the structure of the PDP panel main body 1 that is useful in the present invention will be described using the exploded perspective view of FIG.
- X electrodes 111 and Y electrodes 112 that repeatedly discharge are alternately arranged in parallel.
- This electrode group is covered with a dielectric layer 113, and the surface thereof is covered with a protective layer 114 such as MgO.
- the back glass plate 12 made of glass has an X electrode 111 and an address electrode 121 arranged substantially perpendicular to the Y electrode 112, and is covered with a dielectric layer 122. Yes.
- partition walls 123 are arranged to divide cells in the column direction.
- phosphors 124R, 124G, and 124B that generate visible light of red (R), green (G), and blue (B) when excited by ultraviolet rays are formed on the side surfaces of the dielectric layer 122 and the partition wall 123 on the address electrode 121. It is applied.
- the front glass plate 111 and the rear glass plate 12 are bonded together so that the top surfaces of the protective layer 114 and the partition wall 123 are in contact with each other, and a discharge gas such as Ne or Xe is sealed to form a panel.
- a discharge gas such as Ne or Xe
- the address drive circuit 23 applies a voltage to the address electrode 121, the power supply circuit 24 of the drive circuit, and the control circuit 25 that controls them.
- the PDP module according to the present invention includes a front glass plate 11 and a rear surface.
- PDP panel main body 1 having a glass plate 12, and a back glass plate 12 of the PDP panel main body 1 and a metal plate 2 that serves as a holding member for the PDP panel main body 1, for example, a double-sided adhesive tape 3 Configured.
- the present invention is characterized in that the wire-like heating element 4 is positioned at a predetermined interval in contact with the adhesive layer 3. Both ends 41 of the wire-like heating element 4 are provided close to each other and protrude from the end of the PDP module, that is, the adhesive layer end 31.
- the double-sided tape forming the pressure-sensitive adhesive layer 3 uses an acrylic foam as a base material, and an acrylic adhesive as the pressure-sensitive adhesive layer.
- the temperature required to peel off the double-sided tape is about 180 ° C, and the adhesive force almost disappears, but the practical temperature is about 200 ° C.
- the cross-sectional structure of the PDP module will be described with reference to the cross-sectional view of FIG.
- the rear glass plate 12 is bonded to the metal plate 2 by the adhesive layer 3.
- a heating element 4 is provided between the back glass plate 12 and the metal plate 2 so as to be in contact with the adhesive layer 3.
- the metal plate 2 includes an X drive circuit 21, a Y drive circuit 22, a power supply circuit 24, etc., and a flexible substrate 51 between the X drive circuit 21 and the X electrode connection pad provided on the front glass plate 11,
- a flexible substrate 52 is provided between the Y drive circuit 22 and the Y electrode connection pad provided on the front glass plate 11, and an address provided on the address drive circuit 23 and the rear glass plate 12 is not shown in FIG.
- the electrode connection pads are connected by flexible substrates.
- the heating element 4 shown in Fig. 3 is a material that generates heat when an electric current is applied, such as a copper wire or a -chrome wire, and the surface of the heating element 4 is particularly in contact with the metal plate except for the end portion 41. Electrical insulation It is covered with.
- the end 41 is also configured so that the end face force of the PDP panel module is also pulled out, and a current source (not shown) is connected to the end 41 when the PDP module is discarded.
- the planar arrangement of the wire-like heating elements 4 is arranged such that the intervals a, b, c between the heating elements 4 are substantially the same.
- the distances d and e of the heating element 4 arranged in the vicinity of the end 31 of the adhesive layer 3 from the end 31 of the adhesive layer 3 are less than half of the distances a, b and c between the heating elements 9. It is as.
- the adhesive layer 3 can be efficiently heated by the heating element 4, the adhesive force of the adhesive layer 3 can be reduced, and the back glass plate 12 and the metal plate 2 can be easily separated.
- Both end portions 41 of the heating element 4 are protruded from the adhesive layer 3 in close proximity to each other. This is to make it easier to connect the heating element 4 to an external current source. If the both ends 41 of the wire-like heating element 4 are pulled out to both sides of the module, the panel size increases.For example, both ends 41 will be separated by lm even in the 40 type, so that it can be connected to an external current source ⁇ Become.
- wire-like heating element 4 shown in the above embodiment is an example.
- a second embodiment of the present invention will be described with reference to the plan view of FIG.
- the wire-like heat generating elements 4 are arranged symmetrically, and after heating, the wire-like heat generating element 4 is pulled in the direction of the arrow to cut the adhesive layer 3 and separate the back glass plate 12 and the metal plate 2. .
- one wire-like heating element 4 is folded and disposed at the end of the PDP panel module.
- a plurality of wire-like heating elements 4 are provided to generate a heat generation area. You can split left or right or up and down!
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- Life Sciences & Earth Sciences (AREA)
- Forests & Forestry (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Devices For Indicating Variable Information By Combining Individual Elements (AREA)
- Liquid Crystal (AREA)
- Gas-Filled Discharge Tubes (AREA)
Abstract
Description
Claims
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2007524489A JPWO2007007396A1 (ja) | 2005-07-12 | 2005-07-12 | ガラス製パネルを有する表示装置およびその分離方法 |
EP05765719A EP1903540A1 (en) | 2005-07-12 | 2005-07-12 | Display device provided with glass panel and method for separating same |
PCT/JP2005/012829 WO2007007396A1 (ja) | 2005-07-12 | 2005-07-12 | ガラス製パネルを有する表示装置およびその分離方法 |
CNA2005800498020A CN101180665A (zh) | 2005-07-12 | 2005-07-12 | 具有玻璃制面板的显示装置及其分离方法 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PCT/JP2005/012829 WO2007007396A1 (ja) | 2005-07-12 | 2005-07-12 | ガラス製パネルを有する表示装置およびその分離方法 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2007007396A1 true WO2007007396A1 (ja) | 2007-01-18 |
Family
ID=37636804
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP2005/012829 WO2007007396A1 (ja) | 2005-07-12 | 2005-07-12 | ガラス製パネルを有する表示装置およびその分離方法 |
Country Status (4)
Country | Link |
---|---|
EP (1) | EP1903540A1 (ja) |
JP (1) | JPWO2007007396A1 (ja) |
CN (1) | CN101180665A (ja) |
WO (1) | WO2007007396A1 (ja) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2013035298A1 (ja) * | 2011-09-08 | 2013-03-14 | シャープ株式会社 | 表示装置及びその製造方法 |
CN105929584A (zh) * | 2016-06-27 | 2016-09-07 | 中航华东光电有限公司 | 液晶屏均匀加热装置 |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
TWI350790B (en) * | 2009-02-10 | 2011-10-21 | Htc Corp | Cutting apparatus |
CN113192427B (zh) * | 2021-05-07 | 2023-03-31 | 维沃移动通信有限公司 | 折叠屏幕组件和电子设备 |
Citations (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH11329302A (ja) * | 1998-05-20 | 1999-11-30 | Agency Of Ind Science & Technol | モニター用ブラウン管 |
JP2001282114A (ja) * | 2000-03-30 | 2001-10-12 | Hitachi Ltd | プラズマディスプレイ装置 |
JP2002123187A (ja) * | 2000-10-17 | 2002-04-26 | Matsushita Electric Ind Co Ltd | プラズマディスプレイ装置 |
JP2002123186A (ja) * | 2000-10-17 | 2002-04-26 | Matsushita Electric Ind Co Ltd | プラズマディスプレイ装置 |
JP2004002548A (ja) * | 2002-05-31 | 2004-01-08 | Sekisui Chem Co Ltd | 接合構造体及び接合構造体の解体方法 |
JP2004152691A (ja) * | 2002-10-31 | 2004-05-27 | Kawai Denki Seisakusho:Kk | 面状ヒータ |
JP2004309547A (ja) * | 2003-04-02 | 2004-11-04 | Matsushita Electric Ind Co Ltd | プラズマディスプレイ装置 |
JP2004309549A (ja) * | 2003-04-02 | 2004-11-04 | Matsushita Electric Ind Co Ltd | プラズマディスプレイ装置およびその製造方法 |
JP2005174900A (ja) * | 2003-11-19 | 2005-06-30 | Matsushita Electric Ind Co Ltd | プラズマディスプレイパネルの再生方法およびプラズマディスプレイパネル。 |
-
2005
- 2005-07-12 WO PCT/JP2005/012829 patent/WO2007007396A1/ja not_active Application Discontinuation
- 2005-07-12 EP EP05765719A patent/EP1903540A1/en not_active Withdrawn
- 2005-07-12 CN CNA2005800498020A patent/CN101180665A/zh active Pending
- 2005-07-12 JP JP2007524489A patent/JPWO2007007396A1/ja not_active Withdrawn
Patent Citations (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH11329302A (ja) * | 1998-05-20 | 1999-11-30 | Agency Of Ind Science & Technol | モニター用ブラウン管 |
JP2001282114A (ja) * | 2000-03-30 | 2001-10-12 | Hitachi Ltd | プラズマディスプレイ装置 |
JP2002123187A (ja) * | 2000-10-17 | 2002-04-26 | Matsushita Electric Ind Co Ltd | プラズマディスプレイ装置 |
JP2002123186A (ja) * | 2000-10-17 | 2002-04-26 | Matsushita Electric Ind Co Ltd | プラズマディスプレイ装置 |
JP2004002548A (ja) * | 2002-05-31 | 2004-01-08 | Sekisui Chem Co Ltd | 接合構造体及び接合構造体の解体方法 |
JP2004152691A (ja) * | 2002-10-31 | 2004-05-27 | Kawai Denki Seisakusho:Kk | 面状ヒータ |
JP2004309547A (ja) * | 2003-04-02 | 2004-11-04 | Matsushita Electric Ind Co Ltd | プラズマディスプレイ装置 |
JP2004309549A (ja) * | 2003-04-02 | 2004-11-04 | Matsushita Electric Ind Co Ltd | プラズマディスプレイ装置およびその製造方法 |
JP2005174900A (ja) * | 2003-11-19 | 2005-06-30 | Matsushita Electric Ind Co Ltd | プラズマディスプレイパネルの再生方法およびプラズマディスプレイパネル。 |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2013035298A1 (ja) * | 2011-09-08 | 2013-03-14 | シャープ株式会社 | 表示装置及びその製造方法 |
CN105929584A (zh) * | 2016-06-27 | 2016-09-07 | 中航华东光电有限公司 | 液晶屏均匀加热装置 |
Also Published As
Publication number | Publication date |
---|---|
JPWO2007007396A1 (ja) | 2009-01-29 |
EP1903540A1 (en) | 2008-03-26 |
CN101180665A (zh) | 2008-05-14 |
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