Construction and method for assembling flat display panel, and plasma television

Abstract

A filter 13 which is carried from above side onto a cabinet which is carried on a full-scale production line is interposedly held between panel holder members 14 a , 14 b , 14 c , 14 d and filter holder members 15 a , 15 b , 15 c , 15 d and fixed by the panel holder members 14 a , 14 b , 14 c , 14 d and the filter holder members 15 a , 15 b , 15 c , 15 d , and a flat display panel 11 e which is also carried from the above side onto the cabinet is fixed. Moreover, the plasma display panel 11 e and the filter 13 are superposed, through the panel holder members 14 a , 14 b , 14 c , 14 d and the filter holder members 15 a , 15 b , 15 c , 15 d , on the cabinet 12 which is in a state of being carried on the line, and are screw-fastened. Thus, when a cabinet, a flat display panel and a filter are to be fitted, the fitting operations can be easily carried out.

1 . A plasma television comprising: 
 a resin-molded cabinet of a substantially frame shape;    a plasma display panel used as a flat display panel and having a size of 37 inch or more;    the plasma display panel including brackets provided on a back face thereof;    the brackets having screw-insertion holes;    the cabinet having a fitting opening and a convex portion provided at a predetermined region thereof which positionally corresponds to an upper end of a view area of the plasma display panel;    a filter;    a panel holder device;    the plasma display panel being mounted to the panel holder device; and    a filter holder device;    the filter being interposedly held between the panel holder device and the filter holder device;    the panel holder device comprising:    a pair of first panel holder members arranged at upper and lower ends of the view area of the plasma display panel;    the first panel holder members comprising rectilinear bodies each having a staircase-shape in cross-section; and    a pair of second panel holder members arranged at left and right sides of the view area of the plasma display panel;    the second panel holder members comprising rectilinear bodies each having a staircase-shape in cross-section;    the rectilinear bodies of the second panel holder members being shorter than the rectilinear bodies of the first panel holder members;    the rectilinear bodies of the first panel holder member comprising:    first step portions for carrying back surfaces of both end portions of the filter which positionally corresponds to the upper and lower ends of the view area;    second step portions arranged above the first step portions and connected to the first step portions so as to form stairs;    third step portions arranged above the second portions and connected to the second step portions so as to form stairs;    the third step portions each having threaded holes formed in four predetermined portions thereof;    fourth step portions arranged above the third step portions, connected to the third step portions and formed so as to have substantially U-shapes in cross-section;    the fourth step portions having threaded holes;    connecting portions interconnecting the second step portions and the third step portions and having fitting holes;    connecting portions interconnecting the third step portions and the fourth step portions; and    an engaging hole formed in a connecting portion interconnecting a third step portion and a fourth step portion of a first panel holder member arranged at the upper end of the view area;    the rectilinear bodies of the second panel holder members comprising:    first step portions for carrying back surfaces of both end portions of the filter which positionally corresponds to the left and right side portions of the view area; and    second step portions arranged above the first step portions of the second panel holder members, connected to the first step portions of the second panel holder members so as to form stairs, and have threaded holes formed in three predetermined regions thereof;    the filter holder device comprising:    a pair of first filter holder members arranged at regions of the filter which positionally correspond to the upper and lower ends of the view area;    the first filter holder members comprising rectilinear bodies each having a staircase-shape in cross-section; and    a pair of second filter holder members arranged at regions of the filter which positionally correspond to the left and right sides of the view area;    the second filter holder members comprising rectilinear bodies each having a staircase-shape in cross-section;    the rectilinear bodies of the second filter holder members being shorter than the rectilinear bodies of the first filter holder members;    the rectilinear bodies of the first filter holder members comprising:    lower step portions having convex portions and base ends;    the convex portions being abutted against gaskets and the base ends being carried on the second step portions of the first panel holder members, when the first filter holder members are carried, through the gaskets, on the filter carried on the first step portions of the first panel holder members;    upper step portions carried on the third step portions of the first panel holder members;    the upper step portions being arranged above the lower step portions and connected to the lower step portions so as to form stairs;    the upper step portions having screw-insertion holes formed in four predetermined regions thereof; and    connecting portions interconnecting the upper step portions and the lower step portions, and having protrusions provided at predetermined regions thereof;    the protrusions being fitted in the fitting holes of the first panel holder members and positioned;    the rectilinear bodies of the second filter holder members having convex portions, base ends, and screw-insertion holes formed in three predetermined regions thereof for facilitating screw-fastening;    the convex portions being abutted against gaskets and the base ends of the second filter holder members being carried on the second step portions of the second panel holder members, when the second filter holder members are carried, through the gaskets, on the filter carried on the first step portions of the second panel holder members;    wherein when the cabinet, the plasma display panel and the filter are fitted, the first panel holder members and the second holder members are carried from the above side onto the upper, lower, left and right sides of the view area within the fitting opening of the cabinet carried on a full-scale line with the fitting opening faces upwardly, in such a manner that the first step portions, the second step portions and the third step portions are arranged within the cabinet, the engaging hole of the first panel holder member is fitted on the convex portion of the cabinet;    the filter is carried from the above side onto the step portions of the first panel holder members and the step portions of the second panel holder members, the first filter holder members and the second filter holder members are carried on portions of the filter which are carried on the first step portions in such a manner that the convex portions thereof are abutted, through the gaskets, against the portions of the filter and the first filter holder members and the second filter holder members cooperate with the first panel holder members and the second holder members, respectively, the protrusions of the first filter holder members are fitted into the fitting holes of the first panel holder members, to thereby position the first filter holder members, screws are inserted from the above side into the screw-insertion holes formed in the upper step portions of the first filter holder members and the screw-insertion holes formed in the end portions of the second filter holder members, whereby the end portions of the filter are interposedly held, through the gaskets, between the first step portions of the first and second panel holder members and the convex portions of the first filter holder members and the second filter holder members and are fixed;    the plasma display panel is carried from the above side onto the fourth step portions of the first panel holder members in such a manner that the brackets of the plasma display panel are abutted against the fourth step portions of the first panel holder members, and the plasma display panel is screw-fastened from the above side to the fourth step portions of the first panel holder members utilizing the screw-insertion holes of the brackets and the threaded holes of the fourth step portions, so that the plasma display panel and the filter can be superposed from the above side, through the panel holder device and the filter holder device, onto the cabinet carried on the full-scale production line, and can be screw-fastened to the panel holder device, the filter holder device and the cabinet, the number of assembling operations conventionally required in a sub-line and the number of screws required for fitting can be reduced, spacers required to be arranged between the plasma display panel and the filter can be omitted, and the engaging hole of the first panel holder member is fitted over the convex portion of the cabinet, to thereby prevent the cabinet from being completely removed from the first panel holder member at the time of separating operation of the cabinet.    
   
   
       2 . A flat display panel fitting construction for fitting a resin-molded cabinet of a substantially frame shape, a flat display panel, and a filter, the fitting construction comprising: 
 a panel holder device;    the flat display panel being mounted to the panel holder device; and    a filter holder device;    the filter being interposedly held between the panel holder device and the filter holder device; and    the cabinet having a fitting opening;    wherein when the cabinet, the plasma display panel and the filter are fitted, the panel holder device, the filter, and the filter holder are in order superposed from the above side onto the cabinet located in such a manner that the fitting opening faces upwardly, the panel holder device and the filter holder device are fastened to each other from the above side, to thereby cause the filter to be interposedly held between the panel holder device and the filter holder device and fix the filter, and the flat display panel is superposed from the above side onto the panel holder device and fastened to the panel holder device from the above side.    
   
   
       3 . A flat display panel fitting construction according to  claim 2 , wherein the panel holder device comprises four panel holder members arranged at upper, lower, left and right ends of a view area of the flat display panel, and the filter holder device comprises four filter holder members arranged at the upper, lower, left and right ends of the view area of the flat display panel, the panel holder members comprising rectilinear bodies each having a staircase-shape in cross-section, the rectilinear bodies having step portions for carrying lower surfaces of four ends of the filter, and the filter holder members comprising rectilinear bodies provided with convex portions which are abutted, through gaskets, against the filter carried on the step portions of the panel holder members, and wherein when the cabinet, the plasma display panel and the filter are fitted, the four panel holder members are carried from the above side onto the upper, lower, left and right sides of the view area within the fitting opening of the cabinet located with the fitting opening faces upwardly, in such a manner that the step portions are arranged within the cabinet, the four ends of the filter is carried from the above side onto the step portions of the panel holder members, the four filter holder members are carried on upper surfaces of the four ends of the filter in such a manner that the convex portions thereof are abutted, through the gaskets, against the upper surfaces of the four ends of the filter, the panel holder members and the filter holder members are fastened to one another from the above side, to thereby cause the filter to be interposedly held between the panel holder members and the filter holder members and fixed, and the flat display panel is superposed from the above side onto the panel holder members and fastened to the panel holder members.  
   
   
       4 . A flat display panel fitting construction according to  claim 3 , wherein the flat display panel has a size of 37 inch or more, the plasma display panel includes brackets provided on a back face thereof, the brackets having screw-insertion holes, 
 the panel holder device comprises:    a pair of first panel holder members arranged at upper and lower ends of the view area of the plasma display panel;    the first panel holder members comprising rectilinear bodies each having a staircase-shape in cross-section; and    a pair of second panel holder members arranged at left and right sides of the view area of the plasma display panel;    the second panel holder members comprising rectilinear bodies each having a staircase-shape in cross-section;    the rectilinear bodies of the second panel holder members being shorter than the rectilinear bodies of the first panel holder members;    the rectilinear bodies of the first panel holder member comprising:    first step portions for carrying back surfaces of both end portions of the filter which positionally corresponds to the upper and lower ends of the view area;    second step portions arranged above the first step portions and connected to the first step portions so as to form stairs;    third step portions arranged above the second portions and connected to the second step portions so as to form stairs;    the third step portions each having threaded holes formed in four predetermined portions thereof;    fourth step portions arranged above the third step portions, connected to the third step portions and formed so as to have substantially U-shapes in cross-section;    the fourth step portions having threaded holes;    connecting portions interconnecting the second step portions and the third step portions and having fitting holes; and    connecting portions interconnecting the third step portions and the fourth step portions;    the rectilinear bodies of the second panel holder members comprising:    first step portions for carrying back surfaces of both end portions of the filter which positionally corresponds to the left and right side portions of the view area; and    second step portions arranged above the first step portions of the second panel holder members, connected to the first step portions of the second panel holder members so as to form stairs, and have threaded holes formed in three predetermined regions thereof;    the filter holder device comprises:    a pair of first filter holder members arranged at regions of the filter which positionally correspond to the upper and lower ends of the view area;    the first filter holder members comprising rectilinear bodies each having a staircase-shape in cross-section; and    a pair of second filter holder members arranged at regions of the filter which positionally correspond to the left and right sides of the view area;    the second filter holder members comprising rectilinear bodies each having a staircase-shape in cross-section;    the rectilinear bodies of the second filter holder members being shorter than the rectilinear bodies of the first filter holder members;    the rectilinear bodies of the first filter holder members comprising:    lower step portions having convex portions and base ends;    the convex portions being abutted against gaskets and the base ends being carried on the second step portions of the first panel holder members, when the first filter holder members are carried, through the gaskets, on the filter carried on the first step portions of the first panel holder members;    upper step portions carried on the third step portions of the first panel holder members;    the upper step portions being arranged above the lower step portions and connected to the lower step portions so as to form stairs;    the upper step portions having screw-insertion holes formed in four predetermined regions thereof; and    connecting portions interconnecting the upper step portions and the lower step portions, and having protrusions provided at predetermined regions thereof;    the protrusions being fitted in the fitting holes of the first panel holder members and positioned;    the rectilinear bodies of the second filter holder members having convex portions, base ends, and screw-insertion holes formed in three predetermined regions thereof for facilitating screw-fastening;    the convex portions being abutted against gaskets and the base ends of the second filter holder members being carried on the second step portions of the second panel holder members, when the second filter holder members are carried, through the gaskets, on the filter carried on the first step portions of the second panel holder members;    wherein when the cabinet, the plasma display panel and the filter are fitted, the first panel holder members and the second holder members are carried from the above side onto the upper, lower, left and right sides of the view area within the fitting opening of the cabinet carried on a full-scale line with the fitting opening faces upwardly, in such a manner that the first step portions, the second step portions and the third step portions are arranged within the cabinet, the engaging hole of the first panel holder member is fitted on the convex portion of the cabinet;    the filter is carried from the above side onto the step portions of the first panel holder members and the step portions of the second panel holder members, the first filter holder members and the second filter holder members are carried on portions of the filter which are carried on the first step portions in such a manner that the convex portions thereof are abutted, through the gaskets, against the portions of the filter and the first filter holder members and the second filter holder members cooperate with the first panel holder members and the second holder members, respectively, the protrusions of the first filter holder members are fitted into the fitting holes of the first panel holder members, to thereby position the first filter holder members, screws are inserted from the above side into the screw-insertion holes formed in the upper step portions of the first filter holder members and the screw-insertion holes formed in the end portions of the second filter holder members, whereby the end portions of the filter are interposedly held, through the gaskets, between the first step portions of the first and second panel holder members and the convex portions of the first filter holder members and the second filter holder members and are fixed;    the plasma display panel is carried from the above side onto the fourth step portions of the first panel holder members in such a manner that the brackets of the plasma display panel are abutted against the fourth step portions of the first panel holder members, and the plasma display panel is screw-fastened from the above side to the fourth step portions of the first panel holder members utilizing the screw-insertion holes of the brackets and the threaded holes of the fourth step portions, so that the plasma display panel and the filter can be superposed from the above side, through the panel holder device and the filter holder device, onto the cabinet carried on the full-scale production line, and can be screw-fastened to the panel holder device, the filter holder device and the cabinet, the number of assembling operations conventionally required in a sub-line and the number of screws required for fitting can be reduced, and spacers required to be arranged between the plasma display panel and the filter can be omitted.    
   
   
       5 . A flat display panel fitting construction according to  claim 4 , wherein the cabinet has a convex portion provided at a predetermined region thereof which positionally corresponds to the upper end of the view area, a first panel holder member arranged at the upper end of the view area has an engaging hole formed in a predetermined region of a connecting portion interconnecting a third step portion and a fourth step portion thereof, and wherein when the cabinet, the plasma display panel, and the filter are fitted, the engaging hole positioned at the above side of the view area in the first panel holder member is fitted over the convex portion of the cabinet, to thereby prevent the cabinet from being completely removed from the first panel holder member at the time of separating operation of the cabinet.  
   
   
       6 . A method for fitting a cabinet, a flat display panel, and a filter, the cabinet having a fitting opening, the method comprising the steps of: 
 causing the cabinet to be arranged in such a manner that the fitting opening faces upwardly;    causing a panel holder device, the filter, and a filter holder device to be in order superposed onto the cabinet from the above side;    causing the panel holder device and the filter holder device to be fastened to each other form the above side, to thereby cause the filter to be interposedly held between the panel holder device and the filter holder device and fixed;    thereafter, causing the flat display panel to be superposed onto the panel holder device from the above side; and    causing the flat display panel to be fastened to the panel holder device from the above side, and fixed.