# US 7,609,231 B2 · Plasma display panel

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- Number: US 7,609,231 B2
- Document ID: US7609231B2
- Status: Granted
- Kind: B2
- Application number: 10/929,626
- Filed: 2004-08-31
- Published: 2005-03-10
- Granted: 2009-10-27
- Earliest claimed: 2003-09-04
- Assignees: Samsung SDI Co., Ltd.
- Inventors: Jae-Ik Kwon; Kyoung-Doo Kang
- Web page: https://patentgrep.com/patent/US7609231B2

## CPC

- G09G 3/288: using AC panels
- H01J 11/12: with main electrodes provided on both sides of the discharge space
- H01J 11/36: Spacers, barriers, ribs, partitions or the like
- G09G 2300/0426: Layout of electrodes and connections
- G09G 2320/0209: Crosstalk reduction, i.e. to reduce direct or indirect influences of signals directed to a certain pixel of the displayed image on other pixels of said image, inclusive of influences affecting pixels in different frames or fields or sub-images which constitute a same image, e.g. left and right images of a stereoscopic display
- G09G: ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION (arrangements for transferring data between digital computers and displays G06F3/14; static indicating arrangements comprising an association of a number of separate sources or light control cells G09F9/00; static indicating arrangements comprising integral associations of a number of light sources H01J, H01K, H10H, H05B33/12; scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission, details thereof H04N1/00)
- H01J: ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS (spark-gaps H01T; electric arc lamps H05B31/00; particle accelerators H05H)

## Abstract

A plasma display panel that includes a first substrate and a second substrate, address electrodes formed on the second substrate, barrier ribs arranged in a space between the first substrate and the second substrate to define a number of discharge cells and non-discharge regions, phosphor layers formed within each of the discharge cells, and display electrodes formed on the first substrate, having a sustain electrode (X electrode) and a scan electrode (Y electrode) in a corresponding pair within each of the discharge cells. The discharge cells are arranged to alternate “A” and “B” sections, where the distances (pitches) between the centers of the adjacent discharge cells are respectively “a” and “b” in which “a” is less than “b”.

## Claims

### Claim 1

A plasma display panel comprising:
a first substrate and a second substrate opposing each other;
address electrodes formed on said second substrate;
barrier ribs arranged in the space between said first substrate and said second substrate to define a plurality of discharge cells and non-discharge regions;
phosphor layers formed within each of said discharge cells; and
display electrodes formed on said first substrate, each having a sustain electrode (X electrode) and a scan electrode (Y electrode) in a corresponding pair within each of said discharge cells,
wherein the non-discharge region is formed in an area encompassed by discharge cell abscissas that pass through centers of adjacent discharge cells and discharge cell ordinates that pass through centers of adjacent discharge cells, and the non-discharge region is at least greater than the width of the upper portion of each of said barrier ribs,
wherein the discharge cells are arranged to form an alternating pattern such that the pitches between the centers of the adjacent discharge cells in the direction of the address electrodes are different from one another.

### Claim 2 (depends on 1)

The plasma display panel of claim 1, wherein the non-discharge region is formed to have independent cell structures defined by said barrier ribs.

### Claim 3 (depends on 1)

The plasma display panel of claim 1, wherein each of said discharge cells is formed to accommodate the widths of both end portions thereof placed in the direction of said address electrodes become narrower as they become further from the center of said discharge cells.

### Claim 4 (depends on 1)

The plasma display panel of claim 1, wherein the discharge cells are arranged to alternate “A” and “B” sections,
where the pitches between the centers of the adjacent discharge cells are respectively “a” and “b” (a<b) being different from each other, and a section having the pitch “a” between the centers is the “A” section, and a section having the pitch “b” between the centers is the “B” section.

### Claim 5 (depends on 4)

The plasma display panel of claim 4, wherein a barrier rib forming a discharge cell includes a first barrier rib member parallel to the direction of the address electrodes, and a second barrier rib member being oblique to the direction of the address electrodes, and
at least one bridge member is formed between a pair of the adjacent discharge cells within the section “B” to connect the second barrier rib members.

### Claim 6 (depends on 5)

The plasma display panel of claim 5, wherein said second barrier rib members are formed to intersect the direction of said address electrodes.

### Claim 7 (depends on 4)

The plasma display panel of claim 4, wherein the display electrodes corresponding to a pair of the adjacent discharge cells of which the boundary lies within the section A are arranged in the order of Y electrode-X electrode-X electrode-Y electrode, and are placed in such a manner that the distance between the adjacent sustain electrodes (X electrodes) within the section “A” is shorter than the distance between the adjacent scan electrodes (Y electrodes) in the section “B”.

### Claim 8

A plasma display panel comprising:
a first substrate and a second substrate opposing each other;
address electrodes formed on said second substrate;
barrier ribs arranged in a space between said first substrate and said second substrate to define a plurality of discharge cells and non discharge regions;
phosphor layers formed within each of the discharge cells; and
display electrodes formed on said first substrate,
wherein a non-discharge region is formed in an area encompassed by discharge cell abscissas that pass through centers of adjacent discharge cells and discharge cell ordinates that pass through centers of adjacent discharge cells, and the non-discharge region is at least greater than the width of the upper portion of each of said barrier ribs,
wherein the discharge cells are arranged to form an alternating pattern such that the pitches between the centers of the adjacent discharge cells in the direction of said address electrodes are different from one another so that the discharge cells are arranged to alternate “A” and “B” sections,
wherein the pitches between the centers of the adjacent discharge cells are respectively “a” and “b” (a<b) being different from each other, and a section having the distance (pitch) “a” between the centers is the “A” section, and a section having the pitch “b” between the centers is the “B” section, and
wherein said display electrodes have an array structure of scan electrode (Y electrode)—sustain electrode (X electrode)—scan electrode (Y electrode) for a pair of the adjacent discharge cells of which the boundary lies within the section A.

### Claim 9 (depends on 8)

The plasma display panel of claim 8, wherein the width of said sustain electrode (X electrode) in the direction of the address electrodes is wider than the width of said scan electrode (Y electrode) in the direction of said address electrodes.

### Claim 10 (depends on 8)

The plasma display panel of claim 8, wherein said sustain electrode (X electrode) has extension electrodes on both sides thereof.

### Claim 11 (depends on 8)

The plasma display panel of claim 8, wherein each non-discharge region is formed to have an independent cell structure respectively defined by said barrier ribs.

### Claim 12 (depends on 8)

The plasma display panel of claim 8, wherein each of the discharge cells is formed such that the widths of both end portions thereof placed in the direction of the address electrodes become narrower as they become further from the center of said discharge cells.

### Claim 13 (depends on 8)

The plasma display panel of claim 8, wherein said barrier rib forming the discharge cell includes a first barrier rib member parallel to the direction of said address electrodes, and a second barrier rib member being oblique to the direction of the address electrodes, and
at least one bridge member formed between a pair of the adjacent discharge cells within the section “B” to connect said second barrier rib members.

### Claim 14 (depends on 13)

The plasma display panel of claim 13, wherein said second barrier rib members are formed to intersect the direction of said address electrodes.

### Claim 15 (depends on 13)

The plasma display panel of claim 13, wherein the heights of said first barrier rib member and the second barrier rib member are different from each other.

### Claim 16 (depends on 13)

The plasma display panel of claim 13, wherein said display electrode has bus electrodes arranged outward of the edge of the discharge areas of said discharge cells along the direction intersecting the direction of said address electrodes to form a corresponding pair within each of the discharge cells, and extension electrodes extending from said bus electrodes into each of the discharge cells to form an opposing pair,
wherein said bus electrodes pass over the top portion of said second barriers rib members.

### Claim 17 (depends on 16)

The plasma display panel of claim 16, wherein said extension electrodes are formed with transparent electrodes.

### Claim 18 (depends on 16)

The plasma display panel of claim 16, wherein a concave portion is formed on opposing end portions of each of said extension electrodes.

### Claim 19 (depends on 18)

The plasma display panel of claim 18, wherein the edge of said concave portion and the surrounding portion thereof are connected with each other to form a smooth curved line.

### Claim 20

A plasma display panel comprising:
a first substrate and a second substrate opposing each other;
address electrodes formed on said second substrate;
barrier ribs arranged in a space between said first substrate and the second substrate to define a plurality of discharge cells as independent cells;
phosphor layers formed within each of the discharge cells; and
display electrodes formed on said first substrate, each having a sustain electrode (X electrode) and a scan electrode (Y electrode) in a corresponding pair within each of the discharge cells,
wherein said discharge cells are arranged to form an alternating pattern such that the pitches between the centers of the adjacent discharge cells in the direction of the address electrodes are different from each other.

### Claim 21 (depends on 20)

The plasma display panel of claim 20, wherein said discharge cells are arranged to alternate “A” and “B” sections,
where the pitches between the centers of the adjacent discharge cells are respectively “a” and “b” (a<b) being different from each other, and a section having the pitch “a” between the centers is the “A” section, and a section having the pitch “b” between the centers is the “B” section.

### Claim 22

A plasma display panel, comprising:
a plurality of barrier ribs arranged in the space between a first substrate and a second substrate to define a plurality of discharge cells and non-discharge regions, said second substrate including a plurality of address electrodes;
a plurality of display electrodes formed on said first substrate, each including a sustain electrode (X electrode) and a scan electrode (Y electrode) in a corresponding pair within each of said discharge cells, said discharge cells being arranged to form an alternating pattern such that the pitches between the centers of the adjacent discharge cells in the direction of the address electrodes are different from one another; and
a non-discharge region formed in an area encompassed by discharge cell abscissas that pass through centers of adjacent discharge cells and discharge cell ordinates that pass through centers of adjacent discharge cells, and the non-discharge region being at least greater than the width of the upper portion of each of said barrier ribs.

### Claim 23 (depends on 22)

The plasma display panel of claim 22, wherein the non-discharge region is formed to have independent cell structures defined by said barrier ribs.

### Claim 24 (depends on 23)

The plasma display panel of claim 23, wherein each of said discharge cells is formed to accommodate the widths of both end portions thereof placed in the direction of said address electrodes becoming narrower as they become further from the center of said discharge cells.

### Claim 25 (depends on 22)

The plasma display panel of claim 22, wherein the discharge cells are arranged to alternate first and second sections,
where the pitches between the centers of the adjacent discharge cells are respectively a first pitch for the first section and second pitch for the second section, and the first and second pitches being different from each other, and a section having the first pitch between the centers is the first section, and a section having the second pitch between the centers is the second section.

### Claim 26 (depends on 25)

The plasma display panel of claim 25, with said second pitch being greater than said first pitch.

### Claim 27 (depends on 26)

The plasma display panel of claim 26, further comprised of one said plurality of barrier ribs forming a discharge cell includes a first barrier rib member parallel to the direction of said address electrodes, and a second barrier rib member being oblique to the direction of the address electrodes, and at least one bridge member being formed between a pair of the adjacent discharge cells within said second section to connect said second barrier rib members.

### Claim 28 (depends on 27)

The plasma display panel of claim 27, wherein said second barrier rib members are formed to intersect the direction of said address electrodes.

### Claim 29 (depends on 28)

The plasma display panel of claim 28, wherein said plurality of display electrodes corresponding to a pair of the adjacent discharge cells of which the boundary lies within said first section, are arranged in the order of Y electrode, X electrode, X electrode, Y electrode, and are placed in a manner that the distance between the adjacent sustain electrodes (X electrodes) within said first section is shorter than the distance between the adjacent scan electrodes (Y electrodes) in said second section.

### Claim 30 (depends on 22)

The plasma display panel of claim 22, further comprised of the overall planar shape of each of the discharge cells being formed to be a member selected from a group consisting of an octagon, wedge, and arc, with the widths of both end portions of the discharge cells becoming narrower further from the center of the discharge cells.

### Claim 31 (depends on 25)

The plasma display panel of claim 25, further comprised of each of said barrier ribs forming said discharge cells comprising a first barrier rib member parallel to the direction of said address electrodes, a second barrier rib member intersecting the direction of said address electrodes, and a bridge member being formed between a pair of the adjacent discharge cells within said second section to connect said second barrier rib members.

### Claim 32 (depends on 31)

The plasma display panel of claim 31, further comprised of said bridge member not being formed in said first section, and said second barrier rib members of the adjacent discharge cells being coupled to each other to accommodate a pitch between the centers of the adjacent discharge cells within said first section being shorter than that of the adjacent discharge cells within said second section.

### Claim 33 (depends on 32)

The plasma display of claim 32, further comprising of bus electrodes being arranged outward of the edge of the discharge areas of said discharge cells, and are formed to pass over the top portion of said second barrier rib members, accommodating said bus electrodes to not pass over said discharge cells.

### Claim 34 (depends on 22)

The plasma display of claim 22, further comprised of said sustain electrodes arranged with said first section having one bus electrode corresponding commonly to a pair of the adjacent discharge cells within said first section, and extension electrodes extending to the inside of said discharge cells corresponding thereto.

### Claim 35 (depends on 34)

The plasma display of claim 34, with width of said bus electrode of said sustain electrodes in the direction of the address electrodes being wider than the width of said scan electrode in the direction of said address electrodes.

### Claim 36 (depends on 31)

The plasma display of claim 31, further comprised of the heights of said first barrier rib members and said second barrier rib members forming discharge cells being different from each other.

### Claim 37 (depends on 22)

The plasma display of claim 22, further comprising a pair of bridge members being formed between a pair of said adjacent discharge cells within a second section to connect second barrier rib members, said discharge cells being arranged to alternate first and second sections, and said barrier ribs forming a discharge cell including a first barrier rib member parallel to the direction of said address electrodes, and said second barrier rib member being oblique to the direction of the address electrodes, and said pair of bridge member being formed between a pair of the adjacent discharge cells within said second section to connect said second barrier rib members.