Front filter in plasma display panel

Abstract

Disclosed is a front filter in a plasma display panel (PDP), in which the front filter comprises an impact-absorbing layer attached to a front surface of the panel and composed of one of EVA, acrylic polymers, and PVC to be able to absorb external impacts.

1 . A plasma display panel comprising. a panel; 
 a front filter formed on the front surface of the panel;    a printed circuit substrate for sending actuation signals to the panel; and    a back cover for encompassing the rear surface of the panel,    wherein the front filter includes a near infrared blocking film formed directly on the front surface of the panel for blocking near infrared light rays emerging from the panel,    an electromagnetic interference shielding film formed on the near infrared blocking film for blocking electromagnetic interference rays emerging from the panel,    an optical characteristic film formed on die electromagnetic interference shielding film for selectively filtering light rays emitted from the panel wherein the optical characteristic film decreases the intensity of red and green rays among incident light from the panel, and increases the intensity of blue ray emitted from the panel,    an impact-absorbing layer formed on the optical characteristic film for improving optical characteristics of incident rays from the panel, and    an antireflection coating formed on the impact-absorbing layer to prevent incident light rays being reflected from the panel.    
   
   
       2 . The plasma display panel according to  claim 1 , wherein the impact-absorbing layer is fabricated an adhesive or a cohesion agent, and infused between the optical characteristic film and the antireflection coating.  
   
   
       3 . The plasma display panel according to  claim 1 , wherein the impact-absorbing layer is film type.  
   
   
       4 . The plasma display panel according to  claim 1 , wherein the impact-absorbing layer has a thickness selected from the range of approximately 500 μm to approximately 5000 μm.  
   
   
       5 . The plasma display panel according to  claim 1 , wherein the panel is a plasma display panel, and wherein the impact-absorbing layer is composed of transparent polymer material selected from the group consisting of: an EVA, an acrylic polymer, and a PVC.  
   
   
       6 . The plasma display panel according to  claim 5 , wherein the impact-absorbing layer has a thickness selected from the range of approximately 500 μm to approximately 5000 μm.  
   
   
       7 . The plasma display panel according to  claim 5 , wherein the impact-absorbing layer is infused between the optical characteristic film and the antireflection coating.  
   
   
       8 . The plasma display panel according to  claim 5 , wherein the impact-absorbing layer is applied to the optical characteristic film in form of an adhesive or a cohesion agent.  
   
   
       9 . A plasma display panel for a display panel, comprising: 
 a panel;    a front filter formed on the front surface of the panel;    a printed circuit substrate for sending actuation signals to the panel; and    a back cover for encompassing the rear surface of the panel, 
 wherein the front filter includes a near infrared blocking film formed directly on the panel for blocking excess near infrared light rays emerging from the panel,  
 an electromagnetic interference shielding film formed on the near infrared blocking film for blocking film light rays emerging from the panel to outside the panel,  
 an optical characteristic film formed on the electromagnetic interference shielding film wherein the optical characteristic film dims the level of red and green light rays emitted by the panel and to increase the level of brightness of blue light emitted by the panel, and  
 an impact-absorbing layer formed on the optical characteristic film, wherein the impact-absorbing layer selected from the group of transparent polymer materials consisting of: an EVA and an acrylic polymer and a PVC and an antireflection coating formed on the impact-absorbing layer to prevent reflection of external light arriving from the panel.  
   
   
   
       10 . A plasma display panel comprising: 
 a panel;    a front filter formed on the front surface of the panel;    a printed circuit substrate for sending actuation signals to the panel; and    a back cover for encompassing the rear surface of the panel, 
 wherein the front filter includes a near infrared blocking film disposed directly on die panel for blocking excess near infrared light rays emerging from the panel,  
 a first impact-absorbing layer formed on the near infrared blocking film,  
 an electromagnetic interference shielding film formed on the first impact-absorbing layer for blocking film light rays emerging from the panel to outside the panel,  
 a second impact-absorbing layer formed on die electromagnetic interference shielding film,  
 a optical characteristic film formed on the second impact-absorbing layer for selectively filtering light rays emitted from the panel,  
 a third impact-absorbing layer is formed on the optical characteristic film, and  
 an antireflection coating disposed on the third impact-absorbing layer to prevent reflection of external light arriving from the panel.  
   
   
   
       11 . The plasma display panel according to  claim 10 , wherein the optical characteristic film decreases the intensity of red and green rays among incident light from the display panel, and increases the intensity of blue ray emitted from the panel.