CN100590683C - Plasma display apparatus - Google Patents
Plasma display apparatus Download PDFInfo
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- CN100590683C CN100590683C CN200510078365A CN200510078365A CN100590683C CN 100590683 C CN100590683 C CN 100590683C CN 200510078365 A CN200510078365 A CN 200510078365A CN 200510078365 A CN200510078365 A CN 200510078365A CN 100590683 C CN100590683 C CN 100590683C
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- display system
- plasmia indicating
- indicating panel
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Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J11/00—Gas-filled discharge tubes with alternating current induction of the discharge, e.g. alternating current plasma display panels [AC-PDP]; Gas-filled discharge tubes without any main electrode inside the vessel; Gas-filled discharge tubes with at least one main electrode outside the vessel
- H01J11/20—Constructional details
- H01J11/34—Vessels, containers or parts thereof, e.g. substrates
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J11/00—Gas-filled discharge tubes with alternating current induction of the discharge, e.g. alternating current plasma display panels [AC-PDP]; Gas-filled discharge tubes without any main electrode inside the vessel; Gas-filled discharge tubes with at least one main electrode outside the vessel
- H01J11/20—Constructional details
- H01J11/46—Connecting or feeding means, e.g. leading-in conductors
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K7/00—Constructional details common to different types of electric apparatus
- H05K7/20—Modifications to facilitate cooling, ventilating, or heating
- H05K7/2039—Modifications to facilitate cooling, ventilating, or heating characterised by the heat transfer by conduction from the heat generating element to a dissipating body
- H05K7/20436—Inner thermal coupling elements in heat dissipating housings, e.g. protrusions or depressions integrally formed in the housing
- H05K7/20445—Inner thermal coupling elements in heat dissipating housings, e.g. protrusions or depressions integrally formed in the housing the coupling element being an additional piece, e.g. thermal standoff
- H05K7/20472—Sheet interfaces
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K7/00—Constructional details common to different types of electric apparatus
- H05K7/20—Modifications to facilitate cooling, ventilating, or heating
- H05K7/20954—Modifications to facilitate cooling, ventilating, or heating for display panels
- H05K7/20963—Heat transfer by conduction from internal heat source to heat radiating structure
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G2300/00—Aspects of the constitution of display devices
- G09G2300/04—Structural and physical details of display devices
- G09G2300/0404—Matrix technologies
- G09G2300/0408—Integration of the drivers onto the display substrate
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G2330/00—Aspects of power supply; Aspects of display protection and defect management
- G09G2330/04—Display protection
- G09G2330/045—Protection against panel overheating
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J2211/00—Plasma display panels with alternate current induction of the discharge, e.g. AC-PDPs
- H01J2211/20—Constructional details
- H01J2211/62—Circuit arrangements
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J2211/00—Plasma display panels with alternate current induction of the discharge, e.g. AC-PDPs
- H01J2211/20—Constructional details
- H01J2211/66—Cooling arrangements
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- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Plasma & Fusion (AREA)
- Thermal Sciences (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Devices For Indicating Variable Information By Combining Individual Elements (AREA)
Abstract
A plasma display apparatus is capable of enhancing the heat dissipating ability of a plasma display panel, and of reducing the total weight of the plasma display apparatus. The plasma display apparatus comprises a plasma display panel, a frame to which the plasma display panel is attached and by which the plasma display panel is supported, and a boss plate fixed to a rear surface of the frame andfitted with driving circuit boards. The frame is formed in the shape of a rectangular frame which contacts edges of the plasma display panel. A vertical member is vertically disposed in the rectangular frame. The vertical member has wall-mounted bosses which support the total weight of the plasma display apparatus. Other features include a thermally conductive member formed on the rear surface ofthe frame, and formation of an air passage between the thermally conductive member and the driving circuit boards.
Description
Technical field
The present invention relates to a kind of plasma display system, more specifically, the present invention relates to a kind of Plasmia indicating panel (PDP) that supports by heat-conduction component, framework and boss plate.
Background technology
As everyone knows, plasma display system comprises and is used for producing plasma and being used to use the Plasmia indicating panel of Plasma Display image, the base plate of support Plasmia indicating panel by gas discharge, and being arranged on drive circuit board on the base plate side relative with Plasmia indicating panel, these drive circuit boards are connected on the show electrode and addressing electrode of drawing from Plasmia indicating panel by flexible print circuit and connector.
Because Plasmia indicating panel is made up of the layer glass substrate, so this plasma display panel has more weak mechanical rigid.Therefore, use have than glass film plates more the metal base plate of great machinery rigidity make Plasmia indicating panel keep stable mechanical rigid.
Base plate not only plays the above-mentioned function of keeping the Plasmia indicating panel rigidity, also plays the support drive circuit board, from the function of Plasmia indicating panel heat radiation and shield electromagnetic interference (hereinafter being called EMI).
Plasmia indicating panel is assembled on the front surface of base plate, and drive circuit board is assembled on the rear surface of base plate, so that base plate possesses above-mentioned functions.
Make because Plasmia indicating panel is a glass, be formed for the screw that is connected with base thread on the Plasmia indicating panel, thereby use double-sided belt that Plasmia indicating panel is assembled on the base plate so be difficult in.On the rear surface of base plate, form boss (boss), and drive circuit board is assembled on the boss with screw.
Authorize people such as Tani, title U.S. Patent No. 5 for " plasma display system and manufacture method thereof (Plasma Display Device And Its Manufacturing Method) " on October 26th, 1999,971, disclose in 566 and a kind of Plasmia indicating panel has been fixed to technology on the base plate front surface, wherein a kind of heat-conduction component is clipped between Plasmia indicating panel and the base plate, to be delivered to base plate from the heat that Plasmia indicating panel sends, and discharge these heats by base plate.
Except heat sinking function, base plate also plays the maintenance function of supporting Plasmia indicating panel and drive circuit board.Therefore, base plate need have is enough to prevent the mechanical rigid that caves in or twist, thereby finishes the maintenance function with flying colors in compensation plasma display panel rigidity.
Because base plate is by having the metal of good heat conductivity, thus the base plate rigidity of the heat radiation of article on plasma display panel and compensation plasma display panel effectively, but problem of this existence, because the general assembly (TW) of plasma display system has increased.
Because base plate is at its front surface upper support Plasmia indicating panel and at its rear surface upper support drive circuit board, so also there is a problem in base plate, it is that global shape should change when the change in size of the lug boss position change that will assemble drive circuit board or Plasmia indicating panel.
Summary of the invention
The present invention relates to a kind of plasma display system, it can improve the heat-sinking capability of Plasmia indicating panel when reducing the plasma display system general assembly (TW).
In addition, the present invention relates to a kind of plasma display system, it is used to support Plasmia indicating panel and the structure that is used for the support drive circuit board by separation, can tackle the variation or and the variation of the fixing lug boss position of drive circuit board of Plasmia indicating panel size effectively.
According to an aspect of the present invention, provide a kind of plasma display system, it comprises: Plasmia indicating panel; Be connected to the framework of Plasmia indicating panel rear surface; And be fixed to the framework rear surface and be equipped with the fixing boss plate of drive circuit board, these drive circuit boards and Plasmia indicating panel are arranged in parallel.
Can on the rear surface of Plasmia indicating panel, form heat-conduction component.
Heat-conduction component can form heat radiator, and can be made by one or more of acrylic acid heat sink material, graphite radiating material, heat dissipation metal material and carbon nano-tube heat sink material.
Heat-conduction component can be made by solid-state heat sink material or the heat sink material that solidifies from liquid as time passes.The heat conductivity of heat-conduction component is preferably in 0.5 to 1000W/mK scope, thereby can gently drive Plasmia indicating panel.
Can make framework with metal, with the rigidity of compensation plasma display panel and the overall weight of supporting plasma display system.Framework can be a rectangular frame, makes this framework can only be connected to the edge of Plasmia indicating panel.The vertical member that vertically provides in the rectangular frame can be provided framework, and this vertical member can provide the wall that can support plasma display system overall weight boss.
The boss plate can be made with the material lighter than frame material weight, can be made by conduction synthetic resin or sheet metal.
The boss plate can form the grid shape with frame parts, vertical member and horizontal part.Frame parts, vertical member and horizontal part can provide a plurality of boss, and frame parts can also provide that to be formed on frame parts inner and towards the rib of Plasmia indicating panel, and rib is embedded in the framework.Boss can have the altitude range of 5mm to 15mm.
Can between heat-conduction component and drive circuit board, form air duct.
According to a further aspect in the invention, provide a kind of plasma display system, it comprises: Plasmia indicating panel; Connect and support the framework of Plasmia indicating panel; And be fixed to the framework rear surface and be equipped with the boss plate of drive circuit board.
The boss plate can have a plurality of boss that are used for fixing drive circuit board, and the shape that can form writing board shape or obtain by bent flat plate.The boss plate can have the operation hole that is used to handle the tunable component that is assembled to drive circuit board.Drive circuit board can have and is assembled on it and towards the parts of Plasmia indicating panel.Space between these parts and the Plasmia indicating panel can be at 5mm in the scope of 20mm.Drive circuit board can have and is assembled on it and towards the tunable component of boss plate.
Can between drive circuit board and Plasmia indicating panel, be formed for the air layer of convection current and radiation.
As mentioned above, in plasma display system according to the present invention, framework is separated with the boss plate, framework is made of metal the Plasmia indicating panel that has heat-conduction component with support, the boss plate is made by the material lighter than frame material weight, be equipped with drive circuit board, and between heat-conduction component and drive circuit board, form air duct.So, improve the heat dispersion of Plasmia indicating panel, and reduced the overall weight of plasma display system, tackle the variation of Plasmia indicating panel size thus easily and be used to assemble the variation of the lug boss position of drive circuit board.
Description of drawings
All will become better understood when understanding easily with reference to following detailed explanation in conjunction with the accompanying drawings the more complete understanding of the present invention and the many bonus of the present invention, identical reference number is represented same or analogous assembly in the accompanying drawing here, wherein:
Fig. 1 is the decomposition diagram of explanation according to the plasma display system of first embodiment of the invention;
Fig. 2 is the view according to the framework rear surface of the plasma display system of first embodiment of the invention;
Fig. 3 is the view according to the boss plate rear surface of the plasma display system of first embodiment of the invention;
Fig. 4 is that explanation is according to the framework of the plasma display system of first embodiment of the invention and the decomposition diagram of boss plate;
Fig. 5 is the sectional view at the line A-A of state lower edge Fig. 1 of this plasma display device of assembling;
Fig. 6 is the decomposition diagram of explanation according to the plasma display system of second embodiment of the invention;
Fig. 7 is the view according to the framework rear surface of the plasma display system of second embodiment of the invention;
Fig. 8 is the view according to the boss plate rear surface of the plasma display system of first embodiment of the invention;
Fig. 9 is the decomposition diagram that drive circuit board connects to the boss plate in the key diagram 6;
Figure 10 is the sectional view at the line B-B of state lower edge Fig. 6 of assembling plasma display system; With
Figure 11 is the skeleton view according to the boss plate of the plasma display system of third embodiment of the invention.
Embodiment
Hereinafter, will be described in detail exemplary embodiment of the present invention with reference to the accompanying drawings.
Fig. 1 is the decomposition diagram of explanation according to the plasma display system of first embodiment of the invention.
With reference to figure 1, plasma display system comprise using gases discharge display image Plasmia indicating panel 11, be provided on Plasmia indicating panel 11 rear surfaces and disperse the heat that produces by Plasmia indicating panel 11 heat-conduction component 13, support the framework 15 of Plasmia indicating panel 11, and the boss plate 19 that is installed to framework 15 rear surfaces, and this boss plate 19 is used for installing and support drive circuit board 17.
Because Plasmia indicating panel 11 has the structure of using gases discharge display image, again because of the syndeton that the present invention relates between Plasmia indicating panel 11 and other element, so will omit the detailed description of article on plasma display panel 11.
Heat-conduction component 13 is dissipated in the heat that is produced by gas discharge in the Plasmia indicating panel 11, and it is provided on the rear surface of Plasmia indicating panel 11.Heat-conduction component 13 is made the heat radiator shown in Fig. 1, and be connected to the rear surface of Plasmia indicating panel 11.This heat-conduction component 13 can be made by various materials.For example, it can be made by acrylic acid heat sink material, graphite radiating material, heat dissipation metal material or carbon nano-tube heat sink material.Owing in Plasmia indicating panel 11, carry out the critical function that horizontal heat conduction is heat-conduction component 13 gently, just two or more materials can be used for single Plasmia indicating panel 11 so only can realize such function.
Heat-conduction component 13 can be made by the solid-state heat sink material of forming heat radiator, also can be made by the heat sink material of passing in time from settable liquid.Thisly become solid-state heat sink material to handle from settable liquid to have advantage owing to it is liquid.That is to say that its advantage is, there is no need by using coating processing to form the special processing of heat-conduction component 13 on Plasmia indicating panel 11.
Fig. 2 is the view according to the framework rear surface of the plasma display system of first embodiment of the invention.
With reference to figure 2, framework 15 is connected to the rear surface of Plasmia indicating panel 11, and is that the material of the overall weight of the plasma display system that comprises Plasmia indicating panel 11 by rigidity that can compensation plasma display panel 11 and supporting is made.In addition, framework 15 forms with a kind of structure that can reduce the plasma display system overall weight.Framework 15 can be directly connected to the rear surface of Plasmia indicating panel 11, perhaps as shown in Figure 1, can be connected to heat-conduction component 13.
Fig. 3 is the view according to the boss plate rear surface of the plasma display system of first embodiment of the invention.
With reference to figure 3, boss plate 19 has can connecting hole 19a, and connecting hole 19a can be directly connected to the connecting hole 15b of framework 15, that is to say, it can form syndetons (Fig. 1) by screw 23.On boss plate 19 and framework 15 mutual corresponding positions, provide connecting hole 19a and connecting hole 15b respectively.Such syndeton makes boss plate 19 be connected securely mutually with framework 15, improves the reliability that connects thus.
On the other hand, because framework 15 supports Plasmia indicating panel 11 and supports the overall weight of the plasma display system that comprises Plasmia indicating panel 11, so boss plate 19 does not need to have special rigidity, but must have the rigidity that is enough to support drive circuit board mounted thereto 17.Therefore, preferably, preferably make boss plate 19 simultaneously with conduction synthetic resin or sheet metal with EMI function of shielding with having the made boss plate 19 lighter than the material weight of framework 15.Because boss plate 19 is to make by having the material lighter than the material weight of framework 15, therefore in boss plate 19 support drive circuit boards 17, can reduce the overall weight of plasma display system significantly.
In addition, boss plate 19 can have writing board shape, perhaps can form not only to have frame parts 19b, and the vertical member 19c that provides in frame parts 19b and the grid shape of horizontal part 19d are provided, to realize the minimizing of plasma display system weight.With with framework 15 similar modes, weight saving is provided and assembles the boss plate 19 of drive circuit board 17 thereon, and boss plate 19 has frame parts 19b, vertical member 19c and horizontal part 19d, each in them all has boss 25.But boss plate 19 is not limited to above-mentioned shape.That is to say that boss plate 19 can carry out various variations in shape so that drive circuit board 17 is fitted thereon.Can drive circuit board 17 be assembled on the boss 25 of boss plate 19 with screw 26.
Fig. 4 is that explanation is according to the framework of the plasma display system of first embodiment of the invention and the decomposition diagram of boss plate.
As shown in Figure 4, boss plate 19 also comprises the rib 27 that protrudes from the interior side direction Plasmia indicating panel 11 of frame parts 19b, more firmly boss plate 19 is connected to framework 15 thus.Rib 27 can be continuously or is formed (not shown) discontinuously.When rib 27 was formation continuously, rib 27 preferably had the vertical member 15a embedding groove 19e wherein with framework.Rib 27 is connected to framework 15 to form more firm structure with boss plate 19.
Forming framework 15 and boss plate 19 discretely and with them in the interconnective structure, when the change in size of the Plasmia indicating panel 11 that is connected to framework 15, have only framework 15 to change, and when drive circuit board 17 changes, have only boss plate 19 to change, improve the degree of freedom of design thus.Because this syndeton can be connected to framework 15 with the boss plate 19 that is equipped with drive circuit board 17, so can reduce operation amount in the mill, increases productivity thus.
Fig. 5 is the sectional view at the line A-A of state lower edge Fig. 1 of this plasma display device of assembling.
With reference to figure 5, many boss 25 that are formed on the boss plate 19 preferably have the altitude range from 5mm to 15mm.When its height during less than 5mm, the airflow between heat-conduction component 13 and drive circuit board 17 just is suppressed.When highly greater than 15mm,, cause the deterioration of heat dispersion thus because the weakening of airflow makes convection current insufficient.
The height of boss 25 helps the formation of air duct P between heat-conduction component 13 and drive circuit board 17, make airflow cause the natural convection phenomenon gently thus, and can make the radiating efficiency maximization of Plasmia indicating panel 11 and drive circuit board 17 like this between the two.
That is to say, can be at air duct P one side location heat-conduction component 13 and at its opposite side location drive circuit board 17.Therefore, Plasmia indicating panel 11 and drive circuit board 17 dispel the heat effectively by the mode that occurs in the convection current among the air duct P.
Fig. 6 is the decomposition diagram of explanation according to the plasma display system of second embodiment of the invention.
With reference to figure 6, plasma display system comprises the Plasmia indicating panel 11 that is used for using gases discharge display image, be formed on Plasmia indicating panel 11 rear surfaces and disperse heat-conduction component 13, the assembling of the heat that produces from Plasmia indicating panel 11 and support the framework 35 of Plasmia indicating panel 11, and is assembled to framework 35 rear sides and the support assemblies drive circuit board 37 thereon and the boss plate 41 of accessory circuit board (the setcircuit board) 39.
Fig. 7 is the view according to the framework rear surface of the plasma display system of second embodiment of the invention.
With reference to figure 7, framework 35 is connected to the rear surface of Plasmia indicating panel 11, and is made by the material that can support the overall weight of the device that comprises Plasmia indicating panel 11 in compensation plasma display panel 11 rigidity.In addition, framework 35 has the structure of the overall weight that can reduce plasma display system.Framework 35 can be assembled to heat-conduction component 13 as shown in Figure 6, perhaps can directly be assembled to the rear surface (not shown) of Plasmia indicating panel 11.
Fig. 8 is the view according to the boss plate rear surface of the plasma display system of second embodiment of the invention, with Fig. 9 be in the key diagram 6 drive circuit board to the decomposition diagram that is connected of boss plate.
With reference to figure 8 and Fig. 9, boss plate 41 has connecting hole 41a, and connecting hole 41a can be directly connected to the connecting hole 35b of framework 35, that is to say, the boss plate can form the syndeton (see figure 6) by screw 45.Respectively connecting hole 41a and connecting hole 35b are positioned on boss plate 41 and the framework 35 mutually accordingly.Such syndeton makes boss plate 41 and framework 35 interconnect securely, has improved the reliability that connects thus.
On the other hand, because framework 35 supports Plasmia indicating panel 11 and supports the overall weight of the plasma display system that comprises Plasmia indicating panel 11, so boss plate 41 does not need to have special rigidity, but must have the enough support assemblies drive circuit board 37 thereon and the rigidity of accessory circuit board 39.Therefore, preferably, preferably make boss plate 41b simultaneously with conduction synthetic resin or sheet metal with EMI function of shielding with having the made boss plate 41 lighter than the material weight of framework 35.Because boss plate 41 is made by having the material lighter than the material weight of framework 35, therefore in boss plate 41 support drive circuit boards 37 and accessory circuit board 39, can reduce the overall weight of plasma display system significantly.
In addition, boss plate 41 can have writing board shape, and can have a plurality of boss 47 (see figure 9)s that are used for fixing drive circuit board 37.Optionally, can provide as shown in figure 11 the shaped boss plate 61 that is obtained by the bent flat plate shape that has.For the purpose that reduces the plasma display system overall weight, boss plate 41 can form the grid shape that has wherein connected many bar parts, and perhaps boss plate 41 can change shape.
Unlike the situation of boss plate, have the boss plate 41 of writing board shape or have and have the operation hole 51 that is used to handle the tunable component 49 that on drive circuit board 37, provides by the resulting shaped boss plate 61 of bent flat plate shape with grid shape.That is to say, preferably form operation hole 51 corresponding to tunable component 49.This tunable component 49 is the parts that are used to regulate Plasmia indicating panel 11 states after drive circuit board 37 is electrically connected to Plasmia indicating panel 11, and it generally includes adjustable resistor.But tunable component 49 is not limited to adjustable resistor.
Drive circuit board 37 has many parts 53 (see figure 9)s and can comprising and is used to drive the required various circuit boards of Plasmia indicating panel 11, for example is used to drive the plate of the electrode of Plasmia indicating panel 11, and electric source modes switches (SMPS) plate etc.Drive circuit board 37 is by the module makers production of Plasmia indicating panel 11.Especially, drive circuit board 37 is assembled to the boss 47 that provides by screw 55 in boss plate 41, parts 53 are just relative with Plasmia indicating panel 11 like this.With screw 57 accessory circuit board 39 is assembled on the surface of the boss plate 41 relative with drive circuit board 37.Accessory circuit board 39 comprises that the Plasmia indicating panel 11 that is used for after finishing provides the image plate of picture signal, is used to control and provide power panel of power supply or the like, and is produced by accessory manufacturer.Like this,, can prevent the Physical Interference between two kinds of circuit boards effectively, and improve accessory manufacturer degree of freedom in design by drive circuit board 37 and accessory circuit board 39 are fixed on the both side surface of boss plate 41.
Therefore, under large-scale production, accessory manufacturer produces various accessory circuit boards 39, and provides accessory circuit board 39 under the state that accessory circuit board 39 is assembled to boss plate 41.The module makers production of Plasmia indicating panel 11 also is assembled to boss plate 41 with drive circuit board 37.Therefore, can reduce significantly boss plate 41 is assembled into the used operation number of framework 35.
On the other hand, the buffer board (not shown) uses known method to place, and as the interface between Plasmia indicating panel 11 and drive circuit board 37.That is to say, when assembling boss plate 41 in process of production, connect the line that buffer board needs.
Figure 10 is the sectional view at the line B-B of state lower edge Fig. 6 of this plasma display device of assembling.
With reference to Figure 10, parts 53 front ends that provided in the drive circuit board 37 that is assembled to boss plate 41 and Plasmia indicating panel 11 rear surfaces are provided or the heat-conduction component 13 that provides therein between keep a scope at the space P of 5mm to 20mm.As this space P during, can be suppressed at the airflow between the parts 53 of heat-conduction component 13 and drive circuit board 37 less than 5mm.When this space P greater than 20mm because the reduction of airflow causes convection current insufficient, heat-conductive characteristic is worsened.
Space P forms air duct as the air layer AL between drive circuit board 37 and Plasmia indicating panel 11.Air layer AL makes the airflow between boss plate 41, drive circuit board 37 and Plasmia indicating panel 11 mild, also causes the natural convection phenomenon thus outside radiation phenomenon.Thus, even in having the structure of little thickness, also make the radiating efficiency maximization of Plasmia indicating panel 11 and drive circuit board 37.
That is to say, heat-conduction component 13 is positioned at air layer AL one side of close Plasmia indicating panel 11, and drive circuit board 37 is positioned at air layer AL one side of close boss plate 41.Therefore, because air layer AL produces flow phenomenon and radiation phenomenon, dispel the heat from Plasmia indicating panel 11 and drive circuit board 37 effectively thus.
Because the parts 53 of drive circuit board 37 protrude to air layer AL, so noise and EMI that drive circuit board 37 shieldings are produced by parts 53.Therefore, improved the overall performance of plasma display system shielding noise and EMI.
Figure 11 is the skeleton view according to the boss plate of the plasma display system of third embodiment of the invention.
As shown in figure 11, when 61 bendings of boss plate, can be easy to realize that the accessory circuit board 39 with accessory manufacturer produces is fixed to boss plate 61, can prevent the mechanical disturbance between boss plate 61 and the accessory circuit board 39, and can make plasma display system in the situation that thickness further reduces.
Although described exemplary embodiment of the present invention, the present invention is not limited to these exemplary embodiments, but can revise in every way under the situation that does not break away from the claim scope.Therefore, such modification also falls within the scope of the present invention naturally.
And, although described the preferred embodiments of the present invention, it will be appreciated by those skilled in the art that the present invention is not limited to described preferred embodiment.On the contrary, as claim is defined, can in spirit and scope of the invention, carry out variations and modifications.
Claims (23)
1, a kind of plasma display system comprises:
Plasmia indicating panel;
Connect and support the framework of described Plasmia indicating panel; With
Be installed to described framework rear surface and be equipped with the boss plate of drive circuit board.
2, according to the plasma display system of claim 1, wherein said framework is by the metal manufacturing, with rigidity that compensates described Plasmia indicating panel and the overall weight that supports described plasma display system.
3, according to the plasma display system of claim 1, wherein said framework forms rectangular frame, and contacts the edge of described Plasmia indicating panel.
4, according to the plasma display system of claim 3, wherein said framework is included in vertical vertical member of placing in the described rectangular frame.
5, according to the plasma display system of claim 3, wherein said framework comprises that a plurality of integral body are connected to the bar part of framework.
6, according to the plasma display system of claim 1, wherein said framework comprises the wall boss.
7, according to the plasma display system of claim 1, wherein said boss plate is made by the conductive material lighter than described frame weight.
8, according to the plasma display system of claim 1, wherein said boss plate is made by one of conduction synthetic fat and sheet metal.
9, according to the plasma display system of claim 1, wherein said boss plate forms grid shape and comprises frame parts, vertical member and horizontal part.
10, according to the plasma display system of claim 9, each in wherein said frame parts, vertical member and the horizontal part all comprises a plurality of boss.
11, according to the plasma display system of claim 10, wherein said boss has the height of 5mm to the 15mm scope.
12, according to the plasma display system of claim 9, wherein said frame parts comprises that to be formed on frame parts inner and towards the rib of described Plasmia indicating panel, and wherein said rib is embedded in the described framework.
13,, also comprise the heat-conduction component that is formed on the described Plasmia indicating panel rear surface according to the plasma display system of claim 1.
14, according to the plasma display system of claim 13, wherein said heat-conduction component comprises heat radiator, and by at least a the making in acrylic acid heat sink material, graphite radiating material, heat dissipation metal material and the carbon nano-tube heat sink material.
15, according to the plasma display system of claim 13, wherein said heat-conduction component is made by one of solid-state heat sink material and heat sink material of solidifying from liquid as time passes.
16, according to the plasma display system of claim 13, wherein between described heat-conduction component and described drive circuit board, form air duct.
17, a kind of plasma display system comprises:
Plasmia indicating panel;
Connect and support the framework of described Plasmia indicating panel; With
Be installed to described framework rear surface and be equipped with the boss plate of drive circuit board;
Described drive circuit board is fixed and supported to wherein said boss plate in a side relative with described Plasmia indicating panel.
18, according to the plasma display system of claim 17, wherein the boss plate comprises a plurality of boss that are used to assemble described drive circuit board, and wherein said boss plate forms writing board shape or the resulting shape of bent flat plate shape.
19, according to the plasma display system of claim 17, wherein said boss plate comprises the operation hole that is used to handle the tunable component that is assembled to described drive circuit board.
20, according to the plasma display system of claim 17, wherein drive circuit board has the parts that are installed on this drive circuit board, and described parts are towards described Plasmia indicating panel.
21, according to the plasma display system of claim 20, the space scope between wherein said parts and the described Plasmia indicating panel is from 5mm to 20mm.
22, according to the plasma display system of claim 17, wherein said drive circuit board has the tunable component that is assemblied on this drive circuit board, and described tunable component is towards described boss plate.
23,, wherein between described drive circuit board and described Plasmia indicating panel, be formed for the air layer of convection current and radiation according to the plasma display system of claim 17.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR29934/04 | 2004-04-29 | ||
| KR29933/04 | 2004-04-29 | ||
| KR1020040029933A KR100637485B1 (en) | 2004-04-29 | 2004-04-29 | Plasma display device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1707574A CN1707574A (en) | 2005-12-14 |
| CN100590683C true CN100590683C (en) | 2010-02-17 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200510078365A Expired - Fee Related CN100590683C (en) | 2004-04-29 | 2005-04-29 | Plasma display apparatus |
Country Status (2)
| Country | Link |
|---|---|
| KR (1) | KR100637485B1 (en) |
| CN (1) | CN100590683C (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100879302B1 (en) | 2007-11-26 | 2009-01-19 | 삼성에스디아이 주식회사 | Plasma display device |
| JP2009175230A (en) * | 2008-01-22 | 2009-08-06 | Sharp Corp | Display device |
| KR101905841B1 (en) * | 2012-02-28 | 2018-10-10 | 삼성디스플레이 주식회사 | Display |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH11305675A (en) | 1998-04-20 | 1999-11-05 | Fujitsu General Ltd | Display device |
| JP2000181373A (en) | 1998-12-18 | 2000-06-30 | Fujitsu General Ltd | Pdp panel structure |
-
2004
- 2004-04-29 KR KR1020040029933A patent/KR100637485B1/en not_active IP Right Cessation
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2005
- 2005-04-29 CN CN200510078365A patent/CN100590683C/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| CN1707574A (en) | 2005-12-14 |
| KR20050104593A (en) | 2005-11-03 |
| KR100637485B1 (en) | 2006-10-20 |
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