Full color surface discharge type plasma display device

A plasma display panel of a surface discharge type and having an array, of plural columns in a first direction and plural rows in a second direction transverse to the first direction, of plural image elements, each image element comprising a respective set of unit luminescent areas, each set of unit luminescent areas comprising a set of discharge cells, wherein each discharge cell comprises:

• a cavity bounded by respective opposing and spaced sidewalls of a pair of barriers formed on a first substrate, said barriers having respective flat top portions having a width of not less that 7.5 μm in the second direction;
• an address electrode on the first substrate, extending in the first direction,
• a pair of display electrodes formed on a surface of a second substrate covered by an insulating layer and positioned in opposed relationship with the address electrode, the pair of display electrodes extending in the second direction and defining the discharge cell, and
• a phosphor layer disposed within the cavity on the first substrate;
• and
• each set of discharge cells comprises a common number of discharge cells in successively spaced adjacent positions in the second direction, the respective phosphor layers of each set of the discharge cells being in a common sequence of respective, different colors, and the plural rows of the array having respective, common numbers of sets of discharge cells, aligned in the columns of the array.

A discharge cell of a surface discharge type plasma display panel, comprising:

• a cavity bounded by respective opposing and spaced sidewalls of a pair of barriers superposed on a first substrate, the cavity extending commonly with the pair of barriers in a first direction, said barriers having respective flat top portions of a width not less than 7.5 μm in a second direction;
• an address electrode superposed on the first substrate, adjacent a bottom of the cavity and extending in the first direction;
• a pair of display electrodes superposed on a surface of a second substrate, covered by an insulating layer and positioned in opposed relationship with respect to the address electrode, the pair of display electrodes extending in the second direction, transversely to and crossing the barriers and the cavity therebetween, and defining the discharge cell;
• and
• a phosphor layer disposed within the cavity and superposed on one of the first and second substrates, the phosphor layer having a thickness in a range of from 10 μm to 50 μm.

A plasma display panel of a surface discharge type and having an array, of plural columns in a first direction and plural rows in a second direction transverse to the first direction, of plural image elements, each image element comprising a respective set of unit luminescent areas, each set of unit luminescent areas comprising a set of discharge cells, wherein each discharge cell comprises:

• a cavity bounded by respective opposing and spaced sidewalls of a pair of parallel barriers superposed on a first substrate, the cavity extending commonly with the pair of barriers in the first direction, said barriers having respective flat top portions of a width not less than 7.5 μm in the second direction,
• an address electrode superposed on the first substrate, adjacent a bottom of the cavity and extending in the first direction,
• a pair of display electrodes superposed on a second substrate covered by an insulating layer and positioned in opposed relationship with respect to the address electrode, the pair of display electrodes extending in a second direction, transversely to and crossing the pair of barriers and the cavity therebetween, and defining the discharge cell, and
• a phosphor layer disposed within the cavity and superposed on and covering the address electrode and the opposed and spaced sidewalls;
• and
• each set of discharge cells comprises a common number of discharge cells in successively spaced adjacent positions in the second direction, the respective phosphor layers of each set of the discharge cells being in a common sequence of respective, different colors, and the plural rows of the array having respective, common numbers of sets of discharge cells, aligned in the columns of the array.

A discharge cell of a surface discharge type plasma display panel, comprising:

• a cavity bounded at least in part by respective cavity sidewalls supported by a first substrate, said cavity sidewalls having respective flat top portions of a width not less than 7.5 μm in a second direction;
• an address electrode supported by the first substrate, aligned with the cavity and extending in a first direction;
• a pair of display electrodes supported by a second substrate, covered by an insulating layer and positioned in opposed, spaced relationship with respect to a portion of the aligned address electrode and defining the discharge cell therebetween, said display electrode extending in the second direction;
• and
• a phosphor layer disposed within the cavity and formed on the cavity sidewall and the portion of the aligned address electrode.

A plasma display panel of a surface discharge type and having an array, of plural columns in a first direction and plural rows in a second direction transverse to the first direction, of plural image elements, each image element comprising a respective set of unit luminescent areas, each set of unit luminescent areas comprising a set of discharge cells, wherein each discharge cell comprises:

• a cavity bounded at least in part by a respective cavity sidewall supported by a back substrate, said cavity sidewalls having a flat top portion of a width not less than 7.5 μm in the second direction;
• an address electrode supported by the back substrate, aligned with the cavity and extending in the first direction;
• a pair of display electrodes supported by a front substrate, covered by an insulating layer and positioned in opposed, spaced relationship with respect to, and extending in a second direction and crossing, a portion of the aligned address electrode and defining the discharge cell therebetween;
• a phosphor layer disposed within the cavity and formed on the cavity sidewall and the portion of the aligned address electrode;
• and
• each set of discharge cells comprises a common number of discharge cells in successively spaced adjacent positions in the second direction, the respective phosphor layers of each set of the discharge cells being in a common sequence of respective, different colors, and the plural rows of the array having respective, common numbers of sets of discharge cells, aligned in the columns of the array.

A plasma display panel of a surface discharge type and having an array of plural image elements, arranged in plural columns in a first direction and plural rows in a second direction, transverse to the first direction, wherein each image element comprises a respective set of unit luminescent areas, wherein:

• each unit luminescent area comprises:
• a cavity bounded by respective opposing and spaced sidewalls of barriers formed on a first substrate and extending in the first direction, said barriers having respective flat top portions of a width not less than 7.5 μm in the second direction,
• an address electrode on the first substrate extending in the first direction,
• a pair of display electrodes formed on a second substrate, covered by a dielectric layer and arranged to constitute a corresponding row of the array in opposed relationship with the cavity, and
• a phosphor layer disposed on an inside surface of the cavity on the first substrate with a thickness in a range of 10 μm–50 μm;
• and
• each set of unit luminescent areas comprises a common number of unit luminescent areas in successively spaced adjacent positions in the second direction, the respective phosphor layers of each set of unit luminescent areas being in a common sequence of respective, different colors, and the plural rows of the array having respective, common numbers of sets of unit luminescent areas, aligned in the columns of the array.

A plasma display panel of a surface discharge type and having first and second substrates and an array of plural image elements therebetween, arranged in plural columns in a first direction and plural rows in a second direction, transverse to the first direction, wherein:

• each image element comprises a respective set of unit luminescent areas and each unit luminescent area comprises:
• a cavity, bounded by respective opposing and spaced sidewalls of a pair of spaced barriers superposed on the first substrate and extending in the first direction, said barriers having respective flat top portions of a width not less than 7.5 μm in the second direction,
• an address electrode superposed on the first substrate, adjacent a bottom of the cavity and extending in the first direction,
• a pair of display electrodes superposed on the second substrate, covered by a dielectric layer and arranged to constitute a corresponding row of the array in opposed relationship with the cavity, and
• a phosphor layer within the cavity of a thickness in a range of 10 μm–50 μm;
• and
• each set of unit luminescent areas comprises a common number of unit luminescent areas in successively spaced adjacent positions in the second direction, the respective phosphor layers of each set of unit luminescent areas being in a common sequence of respective, different colors, and the plural rows of the array having respective, common numbers of sets of unit luminescent areas, aligned in the columns of the array.

A plasma display panel of a surface discharge type and having front and back substrates and an array of plural image elements therebetween, arranged in plural columns in a first direction and plural rows in a second direction, transverse to the first direction, wherein:

• each image element comprises a respective set of unit luminescent areas and each unit luminescent area comprises:
• a cavity, bounded by respective cavity sidewalls, supported by the back substrate,
• an address electrode supported by the back substrate, aligned with the cavity and extending in the first direction,
• a pair of display electrodes supported by the front substrate, covered by a dielectric layer and arranged to constitute a corresponding row of the array in opposed relationship with the cavity, and
• a phosphor layer within the cavity, supported by the back substrate, and having a thickness in a range of 10 μm–50 μm;
• each set of unit luminescent areas comprises a common number of unit luminescent areas in successively spaced adjacent positions in the second direction, the respective phosphor layers of each set of unit luminescent areas being in a common sequence of respective, different colors, and the plural rows of the array having respective, common numbers of sets of unit luminescent areas, aligned in the columns of the array;
• each of said sidewalls has a flat top portion of a width not less than 7.5 μm in the second direction.

A surface discharge type plasma display panel, comprising:

• front and rear substrates in opposing, spaced relationship;
• discharge spaces defined by surfaces of respective sidewalls supported by the rear substrate, the discharge spaces extending in a first direction and arranged in parallel spaced relationship in a second direction transverse to the first directions on the rear substrate, said sidewalls having a flat top portion of a width not less than 7.5 μm which contact with an inner surface of the front substrate;
• respective phosphor layers covering respective bottom and sidewall surfaces of the discharge spaces on the rear substrate;
• and
• address electrodes corresponding to respective phosphor layers and supported on the rear substrate, portions of each address electrode underlying respective bottoms of the discharge spaces being aligned in a common one of the first and second transverse directions.

A surface discharge type plasma display panel, comprising:

• a first substrate with display electrode pairs extending in a first direction and defining display lines;
• a second substrate with address electrodes extending in a second direction, traverse to said first direction of said display lines;
• a gas discharge space provided between said first and second substrates;
• and
• barriers separating said gas discharge space into a plurality of discharge cells on each display line, at an array pitch of the address electrodes, each said discharge cell being defined at a portion where a respective said display electrode pair and a respective said address electrode cross each other, said barriers being formed on said second substrate with a height substantially corresponding to a gap length of said gas discharge space and each of said barriers having a flat top portion of a width not less than 7.5 μm in the first direction and a bottom portion of a width wider than the width of said top portion.

A discharge cell of a surface discharge type plasma display panel, comprising:

• a cavity bounded at least in part by a cavity sidewall supported by a back substrate;
• an address electrode supported by the back substrate, aligned with the cavity and extending in a vertical direction;
• a pair of display electrodes supported by a front substrate, covered by an insulating layer and positioned in an opposed, spaced relationship with respect to a portion of the aligned address electrode and defining the discharge cell therebetween, said pair of display electrodes having a pair of projection portions of a transparent conductor forming a discharge gap at a selected portion of the discharge cell and a pair of metal layer strips extending in a lateral direction transverse to the vertical direction;
• and
• a phosphor layer disposed within the cavity and formed on the cavity sidewall and on said portion of the aligned address electrode, wherein each of said sidewalls has a flat top portion of a width not less than 7.5 μm and a bottom portion of a width wider than the top portion.

A surface discharge type plasma display panel, comprising:

• a first substrate assembly with display electrode pairs extending in a first direction and defining display lines;
• a second substrate assembly with address electrodes extending in a second direction, transverse to said first direction of said display lines;
• a gas filled space provided between said first and second substrate assemblies;
• barriers separating said gas filled space into a plurality of discharge cells on each display line, at an array pitch of the address electrodes, each of said discharge cell being defined at a portion where a respective said display electrode pair and a respective said address electrode cross each other, said barriers being formed only on said second substrate with a height substantially corresponding to a gap length of said gas filled space and each of said barriers having a flat top portion of a width not less than 7.5 μm in the first direction and a bottom portion of a width wider than the width of said top portion;
• and
• a phosphor layer coated on a corresponding address electrode and on side wall of the respective barriers.