WO2004051691A1 - Plasma display panel and multi-display panel using the same - Google Patents

Plasma display panel and multi-display panel using the same Download PDF

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Publication number
WO2004051691A1
WO2004051691A1 PCT/KR2003/002640 KR0302640W WO2004051691A1 WO 2004051691 A1 WO2004051691 A1 WO 2004051691A1 KR 0302640 W KR0302640 W KR 0302640W WO 2004051691 A1 WO2004051691 A1 WO 2004051691A1
Authority
WO
WIPO (PCT)
Prior art keywords
substrate
plasma display
display panel
end portion
panel
Prior art date
Application number
PCT/KR2003/002640
Other languages
French (fr)
Inventor
Jung Pil Kim
Gwang Pyo Choi
Choon Yeop Lee
Original Assignee
Orion Electric Co., Ltd.
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Orion Electric Co., Ltd. filed Critical Orion Electric Co., Ltd.
Priority to AU2003302561A priority Critical patent/AU2003302561A1/en
Publication of WO2004051691A1 publication Critical patent/WO2004051691A1/en

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Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J11/00—Gas-filled discharge tubes with alternating current induction of the discharge, e.g. alternating current plasma display panels [AC-PDP]; Gas-filled discharge tubes without any main electrode inside the vessel; Gas-filled discharge tubes with at least one main electrode outside the vessel
    • H01J11/10—AC-PDPs with at least one main electrode being out of contact with the plasma
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
    • G09F9/00—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements
    • G09F9/30—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements
    • G09F9/313—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements being gas discharge devices
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J11/00—Gas-filled discharge tubes with alternating current induction of the discharge, e.g. alternating current plasma display panels [AC-PDP]; Gas-filled discharge tubes without any main electrode inside the vessel; Gas-filled discharge tubes with at least one main electrode outside the vessel
    • H01J11/20—Constructional details
    • H01J11/48—Sealing, e.g. seals specially adapted for leading-in conductors

Definitions

  • the present invention generally relates to a plasma display panel and a multi- display panel using the same, and more specifically, a seamless multi-display panel wherein seal of plasma display panels is formed with an oblique line so that the multi- display panel may have no seam.
  • Figs, la and lb are cross-sectional diagrams illustrating a conventional plasma display panel and a conventional multi-display panel.
  • the conventional plasma display panel comprises a front panel 10-1, a rear panel 10-2, a barrier rib 20, an electrode (not shown) and a seal 30 for sealing the front panel 10-1 and the rear panel 10-2.
  • the seal 30 is formed inside of end portions of the front panel 10-1 and the rear panel 10-2, and barrier ribs 20 are formed between the seals 30.
  • a distance becomes longer between the end portions of the front panel 10-1 and the rear panel 10-2 and a display region inside the barrier rib 20.
  • the multi-display panel of Fig. lb is formed by combining a plurality of plasma display panels of Fig. la. As shown in Fig. lb, if the plasma display panels of Fig. la are combined, a seam is generated in the center of the multi-display panel due to a distance d between display regions of one plasma display panel and the other. When 4 plasma display panels are combined with 2 x 2, a seam crossed horizontally and vertically is generated in the center of the multi-display panel. As a result, since the whole screen is divided by the seam, the whole screen is discontinuously displayed.
  • a plasma display panel comprises a first substrate, a second substrate and a sealing unit.
  • an end portion of the first substrate is extended longer than that of the second substrate by a predetermined length, and the sealing unit seals the end portion of the first substrate and the end portion of the second substrate with an oblique line.
  • a multi-display panel comprises a plurality of plasma display panels each comprising a first substrate, a second substrate and a sealing unit.
  • side portions of the plasma display panels are combined adjacently, wherein an end portion of the first substrate is extended longer than that of the second substrate by a predetermined length, and the sealing unit seals the end portion of the first substrate and the end portion of the second substrate with an oblique line.
  • the multi-display panel further comprises a fill-in unit for filling in a space between sealing units of the adjacent plasma display panels.
  • a multi-display panel comprises a plurality of plasma display panels each comprising a front panel, a rear panel and a sealing unit, wherein side portions of the plasma display panels are combined adjacently.
  • an end portion of the front panel is extended longer than that of the rear panel by a predetermined length
  • an end portion of the rear panel is extended longer than that of the front panel
  • the sealing unit seals the end portion of the front panel and the end portion of the rear portion with an oblique line.
  • Figs, la and lb are cross-sectional diagrams illustrating a conventional plasma display panel and a conventional multi-display panel.
  • Figs. 2a and 2b are cross-sectional diagrams illustrating a plasma display panel according to a first embodiment and a second embodiment of the present invention.
  • Figs. 3a and 3b are cross-sectional diagrams illustrating a multi-display panel according to a first embodiment and a second embodiment of the present invention.
  • Fig. 4 is a cross-sectional diagram illustrating a multi-display panel according to a third embodiment of the present invention.
  • Fig. 2a is a cross-sectional diagram illustrating a plasma display panel according to a first embodiment of the present invention.
  • the plasma display panel comprises a first substrate 100-1, a second substrate 100-2, a barrier rib 200 and a sealing unit 300. Since an electrode formed in a display region of the plasma display panel is the same as a conventional electrode, the explanation is omitted.
  • an end portion of the first substrate 100-1 is extended longer than that of the second substrate 100-2 by a predetermined length.
  • the sealing unit 300 for sealing the first substrate 100-1 and the second substrate 100-2 seals the end portion of the first substrate 100-1 and the end portion of the second substrate 100-2 with an oblique line.
  • the sealing unit 300 is formed to be adjacent to an exterior angle barrier rib 200-1 of a display region located inside the end portion of the second substrate 100-2. It is preferable that the first substrate 100-1 and the second substrate 100-2 are a front panel and a rear panel of the plasma display panel, respectively.
  • Fig. 2b is a cross-sectional diagram illustrating a plasma display panel according to a second embodiment of the present invention.
  • the plasma display panel of Fig. 2b comprises a first substrate 110- 1 , a second substrate 110-2, a barrier rib 210 and a sealing unit 310. Since an electrode formed in a display region of the plasma display panel is the same as a conventional one, the explanation of the electrode is omitted.
  • An end portion of the second substrate 110-2 is extended longer than that of the first substrate 110-1 by a predetermined length.
  • the sealing unit 310 for sealing the first substrate 110-1 and the second substrate 100-2 seals the end portion of the first substrate 110-1 and the end portion of the second substrate 110-2 with an oblique line.
  • the sealing unit 310 is formed to be adjacent to an exterior angle barrier rib 210-1 of a display region located inside of the end portion of the first substrate 110-1. That is, when the plasma display panel of Fig. 2b is compared with that of Fig. 2a, they are actually the same except the difference in the length of the first substrate and the second substrate.
  • first substrate 100-1 and the second substrate 100-2 are a front panel and a rear panel of the plasma display panel, respectively.
  • Figs. 3a and 3b are cross-sectional diagrams illustrating a multi-display panel according to a first embodiment and a second embodiment of the present invention.
  • Fig. 3a shows when two or more plasma display panels shown in Fig. 2a are combined. Side portions of the plasma display panels are located to be adjacent each other, and a fill-in unit 400 is formed to fill in a space between sealing units of the adjacent plasma display panels. It is preferable that the fill-in unit 400 is formed with a buffering material such as silicon.
  • Fig. 3b shows when two or more plasma display panels shown in Fig. 2b are combined. Side portions of the plasma display panels are located to be adjacent each other, and a fill-in unit 410 is formed to fill in a space between sealing units of the adjacent plasma display panels.
  • the fill-in unit 410 is preferably formed with a buffering material such as silicon or with a lens and a filter so that a seam region may be shown narrow.
  • the lens or the filter serves as a function of focusing a light generated from a display region of the adjacent plasma display panel toward a junction surface. As a result, the seam region is shown narrow.
  • Fig. 4 is a cross-sectional diagram illustrating a multi-display panel according to a third embodiment of the present invention.
  • the multi-display panel of Fig. 4 is formed by combining two or more plasma display panels of Figs. 2a and 2b.
  • the plasma display panels of Figs. 2a and 2b comprises sealing units 300 and 310 formed with an oblique line.
  • a multi-display panel may be formed by combining the plasma display panels of Figs. 2a and 2b in order to minimize the seam.
  • Each of the plurality of plasma display panels comprises the front panels 100- 1 and 110-1, the rear panels 100-2 and 110-2 and the sealing units 300 and 310.
  • a multi-display panel is formed by combining side portions of the plasma display panels, of the two adjacent plasma display panels, the end portion of the front panel 100-1 is extended longer than that of the rear panel 100-2 by a predetermined length, the end portion of the rear panel 110-2 is extended longer than that of the front panel 110-1, and the sealing units 300 and 310 seal the end portion of the front panels 100-1 and 110-1 and the end portion of the rear portions 100-2 and 110-2 with an oblique line.
  • a fill-in unit 420 is formed to fill in a space between the two adjacent panels.
  • the fill-in unit 420 is preferably formed with a buffering material such as silicon.
  • a sealing unit is formed with an oblique line so that the thickness of the sealing unit in the plasma display panel may be uniform for easy combination of a plurality of plasma panels.
  • the seam may be minimized in the multi-display panel formed by combining plasma display panels, and impact resulting from friction may be minimized by a function of a buffering material such as a lens or a filter in a space between the adjacent plasma display panels.
  • a buffering material such as a lens or a filter

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Plasma & Fusion (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Gas-Filled Discharge Tubes (AREA)
  • Devices For Indicating Variable Information By Combining Individual Elements (AREA)

Abstract

The present invention relates to a seamless multi-display panel comprising a plurality of plasma display panels wherein the seal of plasma display panel is formed with an oblique line to have no seam between panels. The plasma display panel comprises a first substrate, a second substrate and a sealing unit. An end portion of the first substrate is longer than that of the second substrate by a predetermined length. The sealing unit seals the end portion of the first substrate and the end portion of the second substrate with an oblique line. In the multi-display panel, the plasma display panels have side portions to be combined adjacently, and a fill-in unit is additionally formed to fill a space between sealing units of the plasma display units.

Description

PLASMA DISPLAY PANEL AND MULTI-DISPLAY PANEL USING THE SAME
[Technical Field]
The present invention generally relates to a plasma display panel and a multi- display panel using the same, and more specifically, a seamless multi-display panel wherein seal of plasma display panels is formed with an oblique line so that the multi- display panel may have no seam.
[Background Art] Figs, la and lb are cross-sectional diagrams illustrating a conventional plasma display panel and a conventional multi-display panel.
Referring to Fig. la, the conventional plasma display panel comprises a front panel 10-1, a rear panel 10-2, a barrier rib 20, an electrode (not shown) and a seal 30 for sealing the front panel 10-1 and the rear panel 10-2. In the conventional plasma display panel, the seal 30 is formed inside of end portions of the front panel 10-1 and the rear panel 10-2, and barrier ribs 20 are formed between the seals 30. As a result, a distance becomes longer between the end portions of the front panel 10-1 and the rear panel 10-2 and a display region inside the barrier rib 20. Additionally, it is difficult to combine a plurality of panels because the thickness of the seal is not uniform.
When a multi-display panel is formed by combining a plurality of conventional plasma display panels for fabrication of large screen, there are problems as follows.
The multi-display panel of Fig. lb is formed by combining a plurality of plasma display panels of Fig. la. As shown in Fig. lb, if the plasma display panels of Fig. la are combined, a seam is generated in the center of the multi-display panel due to a distance d between display regions of one plasma display panel and the other. When 4 plasma display panels are combined with 2 x 2, a seam crossed horizontally and vertically is generated in the center of the multi-display panel. As a result, since the whole screen is divided by the seam, the whole screen is discontinuously displayed.
[Detailed Description of the Invention]
Accordingly, it is an object of the present invention to provide a plasma display panel wherein seal of the plasma display panel is formed with an oblique line to have the uniform thickness of the plasma display panel for easy combination of a plurality of plasma panels, and to provide a seamless multi-display panel wherein there is no seam between the combined plasma display panels.
In an embodiment, a plasma display panel comprises a first substrate, a second substrate and a sealing unit. Here, an end portion of the first substrate is extended longer than that of the second substrate by a predetermined length, and the sealing unit seals the end portion of the first substrate and the end portion of the second substrate with an oblique line.
In an embodiment, a multi-display panel comprises a plurality of plasma display panels each comprising a first substrate, a second substrate and a sealing unit. Here, side portions of the plasma display panels are combined adjacently, wherein an end portion of the first substrate is extended longer than that of the second substrate by a predetermined length, and the sealing unit seals the end portion of the first substrate and the end portion of the second substrate with an oblique line. The multi-display panel further comprises a fill-in unit for filling in a space between sealing units of the adjacent plasma display panels. In an embodiment, a multi-display panel comprises a plurality of plasma display panels each comprising a front panel, a rear panel and a sealing unit, wherein side portions of the plasma display panels are combined adjacently. Here, of the two adjacent plasma display panels, an end portion of the front panel is extended longer than that of the rear panel by a predetermined length, an end portion of the rear panel is extended longer than that of the front panel, and the sealing unit seals the end portion of the front panel and the end portion of the rear portion with an oblique line.
[Description of the Drawings]
Figs, la and lb are cross-sectional diagrams illustrating a conventional plasma display panel and a conventional multi-display panel.
Figs. 2a and 2b are cross-sectional diagrams illustrating a plasma display panel according to a first embodiment and a second embodiment of the present invention.
Figs. 3a and 3b are cross-sectional diagrams illustrating a multi-display panel according to a first embodiment and a second embodiment of the present invention.
Fig. 4 is a cross-sectional diagram illustrating a multi-display panel according to a third embodiment of the present invention.
[Preferred Embodiments]
Fig. 2a is a cross-sectional diagram illustrating a plasma display panel according to a first embodiment of the present invention.
Referring to Fig. 2a, the plasma display panel comprises a first substrate 100-1, a second substrate 100-2, a barrier rib 200 and a sealing unit 300. Since an electrode formed in a display region of the plasma display panel is the same as a conventional electrode, the explanation is omitted.
Here, an end portion of the first substrate 100-1 is extended longer than that of the second substrate 100-2 by a predetermined length. The sealing unit 300 for sealing the first substrate 100-1 and the second substrate 100-2 seals the end portion of the first substrate 100-1 and the end portion of the second substrate 100-2 with an oblique line.
It is preferable that the sealing unit 300 is formed to be adjacent to an exterior angle barrier rib 200-1 of a display region located inside the end portion of the second substrate 100-2. It is preferable that the first substrate 100-1 and the second substrate 100-2 are a front panel and a rear panel of the plasma display panel, respectively.
Fig. 2b is a cross-sectional diagram illustrating a plasma display panel according to a second embodiment of the present invention.
Referring to Fig. 2b, the plasma display panel of Fig. 2b comprises a first substrate 110- 1 , a second substrate 110-2, a barrier rib 210 and a sealing unit 310. Since an electrode formed in a display region of the plasma display panel is the same as a conventional one, the explanation of the electrode is omitted.
An end portion of the second substrate 110-2 is extended longer than that of the first substrate 110-1 by a predetermined length. The sealing unit 310 for sealing the first substrate 110-1 and the second substrate 100-2 seals the end portion of the first substrate 110-1 and the end portion of the second substrate 110-2 with an oblique line.
It is preferable that the sealing unit 310 is formed to be adjacent to an exterior angle barrier rib 210-1 of a display region located inside of the end portion of the first substrate 110-1. That is, when the plasma display panel of Fig. 2b is compared with that of Fig. 2a, they are actually the same except the difference in the length of the first substrate and the second substrate.
It is preferable that the first substrate 100-1 and the second substrate 100-2 are a front panel and a rear panel of the plasma display panel, respectively.
Figs. 3a and 3b are cross-sectional diagrams illustrating a multi-display panel according to a first embodiment and a second embodiment of the present invention. Fig. 3a shows when two or more plasma display panels shown in Fig. 2a are combined. Side portions of the plasma display panels are located to be adjacent each other, and a fill-in unit 400 is formed to fill in a space between sealing units of the adjacent plasma display panels. It is preferable that the fill-in unit 400 is formed with a buffering material such as silicon. Fig. 3b shows when two or more plasma display panels shown in Fig. 2b are combined. Side portions of the plasma display panels are located to be adjacent each other, and a fill-in unit 410 is formed to fill in a space between sealing units of the adjacent plasma display panels.
Here, the fill-in unit 410 is preferably formed with a buffering material such as silicon or with a lens and a filter so that a seam region may be shown narrow. When the fill-in unit 410 is formed with a lens or a filter, the lens or the filter serves as a function of focusing a light generated from a display region of the adjacent plasma display panel toward a junction surface. As a result, the seam region is shown narrow.
Fig. 4 is a cross-sectional diagram illustrating a multi-display panel according to a third embodiment of the present invention.
Referring to Fig. 4, the multi-display panel of Fig. 4 is formed by combining two or more plasma display panels of Figs. 2a and 2b.
The plasma display panels of Figs. 2a and 2b comprises sealing units 300 and 310 formed with an oblique line. As shown in Fig. 4, a multi-display panel may be formed by combining the plasma display panels of Figs. 2a and 2b in order to minimize the seam. Each of the plurality of plasma display panels comprises the front panels 100- 1 and 110-1, the rear panels 100-2 and 110-2 and the sealing units 300 and 310. When a multi-display panel is formed by combining side portions of the plasma display panels, of the two adjacent plasma display panels, the end portion of the front panel 100-1 is extended longer than that of the rear panel 100-2 by a predetermined length, the end portion of the rear panel 110-2 is extended longer than that of the front panel 110-1, and the sealing units 300 and 310 seal the end portion of the front panels 100-1 and 110-1 and the end portion of the rear portions 100-2 and 110-2 with an oblique line. Here, a fill-in unit 420 is formed to fill in a space between the two adjacent panels. The fill-in unit 420 is preferably formed with a buffering material such as silicon.
[Industrial Applicability]
As discussed earlier, in a plasma display panel and a multi-display panel according to an embodiment of the present invention, a sealing unit is formed with an oblique line so that the thickness of the sealing unit in the plasma display panel may be uniform for easy combination of a plurality of plasma panels. Specifically, the seam may be minimized in the multi-display panel formed by combining plasma display panels, and impact resulting from friction may be minimized by a function of a buffering material such as a lens or a filter in a space between the adjacent plasma display panels. As a result, a seam region can be shown narrow since a light of a junction portion is focused.

Claims

[What is claimed is]
1. A plasma display panel comprising a first substrate, a second substrate and a sealing unit, wherein an end portion of the first substrate is extended longer than that of the second substrate by a predetermined length, and the sealing unit seals the end portion of the first substrate and the end portion of the second substrate with an oblique line.
2. The plasma display panel according to claim 1, wherein a barrier rib is formed to be adjacent to the sealing unit inside the end portion of the second substrate.
3. The plasma display panel according to claim 1, wherein the first substrate is a front panel of the plasma display panel and the second substrate is a rear panel of the plasma display panel.
4. The plasma display panel according to claim 1, wherein the first substrate is a rear panel of the plasma display panel and the second substrate is a front panel of the plasma display panel.
5. A multi-display panel comprising a plurality of plasma display panels each comprising a first substrate, a second substrate and a sealing unit, wherein side portions of the plasma display panels are combined adjacently, wherein an end portion of the first substrate is extended longer than that of the second substrate by a predetermined length, and the sealing unit seals the end portion of the first substrate and the end portion of the second substrate with an oblique line, and the multi-display panel further comprises a fill-in unit for filling in a space between sealing units of the adjacent plasma display panels.
6. The multi-display panel according to claim 5, wherein the first substrate is a front panel of the plasma display panel and the second substrate is a rear panel of the plasma display panel.
7. The multi-display panel according to claim 5, wherein the first substrate is a rear panel of the plasma display panel and the second substrate is a front panel of the plasma display panel.
8. The multi-display panel according to claim 6, wherein the fill-in unit is a buffering material including silicon.
9. The multi-display panel according to claim 7, wherein the fill-in unit comprises a lens and a filter, and focuses a light generated from a display region of the plasma display panel toward a junction.
10. A multi-display panel comprising a plurality of plasma display panels each comprising a front panel, a rear panel and a sealing unit, wherein side portions of the plasma display panels are combined adjacently, wherein of the two adjacent plasma display panels, an end portion of the front panel is extended longer than that of the rear panel by a predetermined length, an end portion of the rear panel is extended longer than that of the front panel, and the sealing unit seals the end portion of the front panel and the end portion of the rear portion with an oblique line.
PCT/KR2003/002640 2002-12-05 2003-12-03 Plasma display panel and multi-display panel using the same WO2004051691A1 (en)

Priority Applications (1)

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AU2003302561A AU2003302561A1 (en) 2002-12-05 2003-12-03 Plasma display panel and multi-display panel using the same

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KR1020020077020A KR100851470B1 (en) 2002-12-05 2002-12-05 Plasma display panel and multi-display panel using the same
KR10-2002-0077020 2002-12-05

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EP2328167A1 (en) * 2009-11-27 2011-06-01 Lg Electronics Inc. Multi plasma display device
EP2398035A1 (en) * 2010-04-26 2011-12-21 Lg Electronics Inc. Plasma display panel and multi plasma display panel

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KR100856980B1 (en) * 2002-12-10 2008-09-04 오리온피디피주식회사 Plasma display Device for Multi-screen
KR101375578B1 (en) 2008-12-23 2014-03-18 주식회사 오리온 Multi-display
KR20210141146A (en) * 2020-05-15 2021-11-23 삼성전자주식회사 Display appartus having display module and manufacturing method thereof

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CN102081884A (en) * 2009-11-27 2011-06-01 Lg电子株式会社 Multi plasma display device
US8531351B2 (en) 2009-11-27 2013-09-10 Lg Electronics Inc. Multi plasma display device
EP2398035A1 (en) * 2010-04-26 2011-12-21 Lg Electronics Inc. Plasma display panel and multi plasma display panel
US8624492B2 (en) 2010-04-26 2014-01-07 Lg Electronics Inc. Plasma display panel and multi-plasma display panel

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KR20040049166A (en) 2004-06-11
AU2003302561A1 (en) 2004-06-23

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