Plasma display panel and method for forming fluorescent screens of the same

A plasma display panel, comprising:

• a rear plate;
• a front plate;
• barrier ribs interposed between said rear plate and said front plate, said barrier ribs having side walls extending substantially perpendicular to said front and rear plates;
• an electrode disposed on said rear plate;
• and
• a fluorescent screen formed on each side wall of said barrier ribs such that said electrode is exposed and an area in a plane parallel to said front and rear plates in a discharging space defined and formed by said fluorescent screen is substantially rectangular in shape with rounded corners and gradually increases toward said front plate, wherein said fluorescent screen has a film thickness ranging from 30 to 50 .mu.m substantially at the center position of each side wall of said barrier ribs;
• wherein said plasma display panel is formed by the following steps:
• disposing a plurality of barrier ribs on said rear plate;
• filling predetermined discharging spaces with three types of paste of fluorescent substances for red, green and blue;
• performing a sandblasting process using a sandblasting mask with openings, each of said openings being smaller than the area of each of said discharging spaces;
• and
• performing a sintering process to form said fluorescent screens on the side walls of said barrier ribs.

A plasma display panel, comprising:

• a rear plate having a plurality of first electrodes formed thereon;
• a front plate;
• barrier ribs interposed between said rear plate and said front plate, said barrier ribs having side walls extending substantially perpendicular to said front and rear plates;
• and
• a fluorescent screen formed on each side wall of said barrier ribs such that each of said first electrodes is exposed and an area in a plane parallel to said front and rear plates in a discharging space defined and formed by said fluorescent screen is substantially rectangular in shape with rounded corners and gradually increases toward said front plate, wherein said fluorescent screen has a film thickness ranging from 30 to 50 .mu.m substantially at the center position of each side wall of said barrier ribs;
• wherein said plasma display panel is formed by the following steps:
• disposing a plurality of barrier ribs on said rear plate having said plurality of first electrodes formed thereon;
• filling predetermined discharging spaces with three types of pastes of fluorescent substances for red, green and blue;
• drying said pastes of fluorescent substances to vaporize a solvent contained in said pastes of fluorescent substances;
• performing a sandblasting process to remove unnecessary fluorescent substances from the side walls of said barrier ribs while leaving necessary fluorescent substances on the side walls;
• and
• performing a sintering process to secure said fluorescent screens to the side walls of said barrier ribs.

A plasma display panel, comprising:

• a rear plate;
• a front plate;
• barrier ribs interposed between said rear plate and said front plate, said barrier ribs having side walls extending substantially perpendicular to said front and rear plates;
• an electrode disposed on said rear plate;
• and
• a fluorescent screen formed on each side wall of said barrier ribs such that said electrode is exposed and an area in a plane parallel to said front and rear plates in a discharging space defined and formed by said fluorescent screen is substantially rectangular in shape with rounded corners and gradually increases toward said front plate, wherein said fluorescent screen has a film thickness ranging from 30 to 50 .mu.m substantially at the center position of each side wall of said barrier ribs;
• wherein said plasma display panel is formed by the following steps:
• disposing a plurality of barrier ribs on said rear plate, surfaces of said barrier ribs having a predetermined bridging agent;
• filling predetermined discharging spaces with pastes of fluorescent substances containing a resin to be bridged with said bridging agent;
• leaving said rear plate for a predetermined bridging reaction time;
• and
• developing said pastes of fluorescent substances to form said fluorescent screens on the side walls of said barrier ribs.