CN1917127A - Plasma display panel - Google Patents

Plasma display panel Download PDF

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Publication number
CN1917127A
CN1917127A CNA2006101533475A CN200610153347A CN1917127A CN 1917127 A CN1917127 A CN 1917127A CN A2006101533475 A CNA2006101533475 A CN A2006101533475A CN 200610153347 A CN200610153347 A CN 200610153347A CN 1917127 A CN1917127 A CN 1917127A
Authority
CN
China
Prior art keywords
electrode
outer peripheral
peripheral areas
panel
scan electrode
Prior art date
Legal status (The legal status 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 status listed.)
Granted
Application number
CNA2006101533475A
Other languages
Chinese (zh)
Other versions
CN100592456C (en
Inventor
郑海英
安炳南
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
LG Electronics Nanjing Plasma Co Ltd
Original Assignee
LG Electronics Nanjing Plasma 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 LG Electronics Nanjing Plasma Co Ltd filed Critical LG Electronics Nanjing Plasma Co Ltd
Publication of CN1917127A publication Critical patent/CN1917127A/en
Application granted granted Critical
Publication of CN100592456C publication Critical patent/CN100592456C/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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    • 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
    • H01J11/22—Electrodes, e.g. special shape, material or configuration
    • H01J11/24—Sustain electrodes or scan electrodes
    • 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
    • H01J11/12—AC-PDPs with at least one main electrode being out of contact with the plasma with main electrodes provided on both sides of the discharge space
    • 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
    • H01J11/22—Electrodes, e.g. special shape, material or configuration
    • H01J11/32—Disposition of the electrodes
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J2211/00—Plasma display panels with alternate current induction of the discharge, e.g. AC-PDPs
    • H01J2211/20—Constructional details
    • H01J2211/22—Electrodes
    • H01J2211/24—Sustain electrodes or scan electrodes
    • H01J2211/245—Shape, e.g. cross section or pattern

Abstract

The present invention discloses a plasma display panel capable of distinguishing the structures of maintaining electrode or scanning electrode of the periphery area and the other area of the depressed cell addressing panel and improving the uniformity of the panel. In the panel the structures of the maintaining electrode or scanning electrode of the given periphery area and the main area beyond the periphery area are different from each other , so that the uniformity of the panel can be improved and the quality of the panel can be improved.

Description

Plasmia indicating panel
One, technical field
The invention relates to Plasmia indicating panel, especially a kind of differentiation reduces the outer peripheral areas and the structure of keeping electrode or scan electrode in other zones of the panel of cell location (celladdressing), the Plasmia indicating panel of the homogeneity of raising panel.
Two, background technology
Along with the development of information processing system and the increase of popularity rate, pass on instrument as visual information, the importance of display unit increases gradually, high-quality to headed by the digital TV, the expected value of big picture TV is also increasing gradually, meanwhile, and CRT (Cathod Ray Tube), liquid crystal display instrument (LCD), Plasmia indicating panel is also carrying out in high gear to this research in the various viewing areas such as (PDP).
Generally, PDP is the 147[nm that produces when utilizing the discharge of He+Xe or Ne+Xe inert mixed gas] ultraviolet ray makes light-emitting phosphor, the device that shows the picture that comprises literal or chart, the electrode opposing parallel that forms on its upper substrate and the lower basal plate is arranged, slit between two substrates is divided by interlayer, forms red (R), green (G) in the groove between interlayer and interlayer, blue (B) luminescent coating is enclosed discharge gas simultaneously.
Again; PDP roughly is divided into surface discharge type and subtend type according to the arrangement architecture of electrode; whether expose according to electrode and to be divided into AC discharge type (AC type), direct-current discharge type (DC type) and mixed type (hybrid type), especially; 3 electrode AC creeping discharge type PDP; when discharge, its surface aggregation wall electric charge, guard electrode from the sputter that discharge causes; therefore, can under low-voltage, drive and the life-span also very long.
Fig. 1 is in the prior art; the profile of AC creeping discharge type Plasmia indicating panel; as shown in the figure; lower basal plate 1 comprises: the keeper electrode 2 of Xing Chenging successively, and lower dielectric layer 3, and the interlayer 4 of fluorophor 5 is accommodated on top; what form on the upper substrate 10 keeps (discharge is kept) electrode 8; scan electrode 9 reaches the upper dielectric layer 7 that said structure spare top forms successively, MgO diaphragm 6.Again, above-mentioned upper substrate 10,4 of lower basal plate 1 and interlayers will inject discharge gas.
In the aforesaid structure, after the keeping 8 at electrode orientation discharge takes place of the keeper electrode 2 of lower basal plate 1 and upper substrate 10, the continuity of proceeding selected cell (cell) shows discharge.The excited by vacuum ultraviolet fluorophor that produces during discharge, the radiation visible light shows required picture.
As mentioned above, in the prior art, PDP as shown in Figure 1, identical cell (cell) tactical rule ground is arranged and also to be applicable to whole light-emitting zone, when the PDP with said structure was tending towards maximizing, the whole homogeneity of cell (cell) had very important influence to image quality.Again, PDP is tending towards maximizing, and its price competitiveness enjoys attention, and PDP changes single scan mode into from two scan modes at present.
But, if do not carry out correct scanning, will cause misplacing electricity, bright spot, the decline of panel qualities such as stain among the PDP.Especially, as shown in Figure 2, the panel periphery zone is poorer than main viewing area quality near the corner of display frame etc.
That is, PDP requires high-performance, high efficiency panel designs, keeping keeping the optimum state of electrode (ITO) shape all the time, therefore, compare with original bar (stripe) shape ITO, the location (addressing) of keeping between electrode and keeper electrode is comparatively unfavorable.Therefore, make high-performance, high efficiency is not dashed mutually with cell location (celladdressing).
Three, summary of the invention
In view of this, in order to address the above problem, the object of the present invention is to provide a kind of have to distinguish misplace, bright spot, the outer peripheral areas that panel qualities such as stain descend and the structure of keeping electrode or scan electrode in other zones, can improve the homogeneity of panel, improve the Plasmia indicating panel of panel quality simultaneously.
Invent for addressing the above problem, among the present invention, the structure of keeping electrode or scan electrode of the main region that the outer peripheral areas of having set in the panel and region except above-mentioned points are outer is different.
Again, above-mentioned outer peripheral areas is in the whole zone of panel, up and down the zone below 1/3.
Again, the scan electrode that forms in the above-mentioned outer peripheral areas is positioned at region of discharge inside.
Again, the scan-electrode width of above-mentioned outer peripheral areas is less than 4 times of the scan-electrode width of above-mentioned main region.
Again, keep in the electrode for two that form in the above-mentioned outer peripheral areas, the width of scan electrode is less than remaining 4 times of keeping electrode width.
Again, keep in the electrode for two of above-mentioned outer peripheral areas, scan electrode is positioned at the middle body of region of discharge.
Effect of the present invention is: the present invention has to distinguish and misplaces electricity, bright spot, and the outer peripheral areas of panel qualities such as stain decline and the structure of keeping electrode or scan electrode in other zones can improve the homogeneity of panel, improve the panel quality simultaneously.
Four, description of drawings
Fig. 1 is in the prior art, the profile of an embodiment of Plasmia indicating panel.
Fig. 2 is in the prior art, the problem points schematic diagram in the cell of Plasmia indicating panel (cell) structure and the outer peripheral areas.
Fig. 3 is among the present invention, the main region of Plasmia indicating panel and the cell in the outer peripheral areas (cell) structural representation.
Fig. 4 a to Fig. 4 c is among the present invention, another schematic diagram of the main region of Plasmia indicating panel and the cell in the outer peripheral areas (cell) structure.
The symbol description of major part during accompanying drawing shows
8: keep electrode 9: scan electrode
Five, embodiment
Below, lift preferred embodiment, and conjunction with figs. is described in detail as follows.
Generally, the influence of the width of electrode and scan electrode is kept in the cell of PDP location (cell addressing), and its width of keeping electrode or scan electrode is wide more, and cell location (cell addressing) is also more accurate.
Among the present invention, among the PDP that single sweep drives, be set at outer peripheral areas part (below, be called " outer peripheral areas ") and other zones of composition (below, be called " main region ") cell (cell) to keep electrode different with the structure of scan electrode, prevent the contingent electricity that misplaces in the outer peripheral areas, bright spot, stain etc., the homogeneity of raising panel.Wherein, the differentiation of above-mentioned main region and outer peripheral areas can be by the decision of PDP manufacturer, and its zone can change to some extent according to the size of panel, or changes to some extent according to the structure of keeping electrode and scan electrode.
The structure of keeping electrode and scan electrode of above-mentioned main region, according to high-performance, the optimum structure of high efficiency ITO forms.For example, form have a same widths keep electrode (ITO), it keeps the electrode top edge, promptly scan electrode is formed at interlayer top.
The structure of keeping electrode and scan electrode of above-mentioned outer peripheral areas, misplace preventing, bright spot, problems such as stain, and the structure formation favourable to cell location (cell addressing), for example, the scan electrode of keeping the formation of electrode top is positioned at region of discharge (cell (cell) zone) inside, or the scan electrode broad, or keep scan electrode broad in the electrode, or keep the middle position that scan electrode in the electrode is positioned at region of discharge.That is, make scan electrode be arranged in region of discharge, make it favourable cell location (cell addressing).
Fig. 3 is among the present invention, in the main region of PDP panel and the region of discharge of outer peripheral areas, keep the structural representation of electrode and scan electrode, as shown in the figure, the structure of the scan electrode 9 that forms in the structure of the scan electrode 9 that forms in the main region and the outer peripheral areas is different.Above-mentioned main region and outer peripheral areas are by decision of PDP manufacturer and division, and above-mentioned outer peripheral areas is little of a cell (cell) zone up and down of forming panel, roughly 1/3 zone up and down of whole front panel.
Promptly, two electrodes have identical width in the electrode 8 for keeping of forming in the main region, scan electrode 9 is positioned at the region of discharge outside, electrode 8 two electrode of keeping that form in the outer peripheral areas also have identical width, but scan electrode 9 is positioned at region of discharge inside, has cell location (cell addressing) favourable structure.Wherein, in the above-mentioned outer peripheral areas, scan electrode 9 residing positions can be in the inner optional position of keeping electrode top that forms of region of discharge.
Certainly, the position of the scan electrode that forms in the above-mentioned region of discharge can be different according to brightness and location (addressing) condition, and the position of above-mentioned scan electrode can be determined by PDP manufacturer.
Again, what form in the outer peripheral areas keeps the high-performance of keeping electrode and scan electrode that forms in electrode and scan electrode and the main region, high efficiency optimum structure difference, to in order successfully to carry out cell location (cell addressing), keep the shape of electrode can carry out the differentiating forms of cell location (celladdressing) smoothly as far as possible, area, the area of slit (gap) and position or scan electrode, width, position and thickness etc. should be different with main region.
Fig. 4 is in the above-mentioned outer peripheral areas, can carry out cell location (cell addressing) smoothly, keeps the structure example schematic diagram of electrode and scan electrode.
Fig. 4 a is among the present invention, an embodiment of electrode structure, and as shown in the figure, scan electrode 9 width of outer peripheral areas are wideer than scan electrode 9 width of main region.Promptly, it is identical to keep electrode 8 width in main region and the outer peripheral areas, but the width of the scan electrode that forms in the main region is narrower than the width of the scan electrode that forms in the outer peripheral areas, and the scan-electrode width of above-mentioned outer peripheral areas is less than 4 times of the scan-electrode width of main region.
Fig. 4 b is among the present invention, another embodiment of electrode structure, as shown in the figure, and the keeping in the electrode (8) of outer peripheral areas, scan electrode is positioned at the middle position of region of discharge.That is, two electrodes keeping electrode that form in the main region are formed in the top and bottom of region of discharge symmetrically with identical size.In contrast, what form in the outer peripheral areas keeps in the electrode, and scan electrode is positioned at the middle position of region of discharge, and top and bottom are asymmetric.
Again, the position of the scan electrode 9 that above-mentioned scan electrode top forms can be in the right side or the left side of scan electrode, and the position of above-mentioned scan electrode can according to circumstances change.
Fig. 4 c is among the present invention, another embodiment again of electrode structure, as shown in the figure, and the keeping in the electrode 9 of outer peripheral areas, the width of scan electrode is wideer than other width of keeping electrode.That is, two width of keeping electrode that form in the main region are identical, and in contrast, what form in the outer peripheral areas keeps in the electrode, and the width of scan electrode is wide more a lot of than other width of keeping electrode.
At this moment, the size of the scan electrode that forms in the above-mentioned outer peripheral areas is kept 4 times of size of electrode less than other that form in the outer peripheral areas.
As mentioned above, among the present invention, outer peripheral areas keep the middle position that scan electrode in the electrode is positioned at region of discharge, or make width wideer, or make and keep the scan electrode broad that electrode top forms, or be located at the region of discharge outside, improve keeper electrode and keep interelectrode cell location (cell addressing).
Promptly, can obtain main region and location (addressing) stabilizing area-outer peripheral areas difference to some extent, high-performance, the high efficiency design, simultaneously, make the outer peripheral areas that reduces the panel homogeneity successfully position (addressing), reduce the decrease in efficiency that above-mentioned outer peripheral areas causes, improve the image quality of panel.
As mentioned above, have among the present invention to distinguish and misplace electricity, bright spot, the outer peripheral areas of panel qualities such as stain decline and the structure of keeping electrode or scan electrode in other zones can improve the homogeneity of panel, improve the panel quality simultaneously.

Claims (6)

1, a kind of Plasmia indicating panel is characterized in that: the structure of keeping electrode or scan electrode of the main region that the outer peripheral areas of having set in the panel and region except above-mentioned points are outer is different.
2, Plasmia indicating panel according to claim 1 is characterized in that: above-mentioned outer peripheral areas is in the whole zone of panel, up and down the zone below 1/3.
3, Plasmia indicating panel according to claim 1 is characterized in that: the scan electrode that forms in the above-mentioned outer peripheral areas is positioned at region of discharge inside.
4, Plasmia indicating panel according to claim 1 is characterized in that: the scan-electrode width of above-mentioned outer peripheral areas is less than 4 times of the scan-electrode width of above-mentioned main region.
5, Plasmia indicating panel according to claim 1 is characterized in that: keep in the electrode for two that form in the above-mentioned outer peripheral areas, the width of scan electrode is less than remaining 4 times of keeping electrode width.
6, Plasmia indicating panel according to claim 1 is characterized in that: keep in the electrode for two of above-mentioned outer peripheral areas, scan electrode is positioned at the middle body of region of discharge.
CN200610153347A 2005-10-17 2006-09-12 Plasma display panel Expired - Fee Related CN100592456C (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR1020050097742 2005-10-17
KR1020050097742A KR100764771B1 (en) 2005-10-17 2005-10-17 Plasma display panel

Publications (2)

Publication Number Publication Date
CN1917127A true CN1917127A (en) 2007-02-21
CN100592456C CN100592456C (en) 2010-02-24

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Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6424095B1 (en) * 1998-12-11 2002-07-23 Matsushita Electric Industrial Co., Ltd. AC plasma display panel
KR100581414B1 (en) * 1999-03-15 2006-05-24 엘지전자 주식회사 A Discharge electrode of Plasma Display Panel
CN1157706C (en) * 2001-09-27 2004-07-14 友达光电股份有限公司 Plasma display panel structure and its driving method
KR100550725B1 (en) * 2002-03-14 2006-02-08 마츠시타 덴끼 산교 가부시키가이샤 Plasma display
KR100508949B1 (en) * 2003-09-04 2005-08-17 삼성에스디아이 주식회사 Plasma display panel
KR100560493B1 (en) * 2003-10-24 2006-03-13 삼성에스디아이 주식회사 Plasma display device and driving method of plasma display panel

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KR100764771B1 (en) 2007-10-11
CN100592456C (en) 2010-02-24
KR20070042010A (en) 2007-04-20

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C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
ASS Succession or assignment of patent right

Owner name: NANJING LG XINGANG DISPLAY CO., LTD.

Free format text: FORMER OWNER: LG ELECTRONICS (NANJING) PLASMA CO., LTD.

Effective date: 20090515

C41 Transfer of patent application or patent right or utility model
TA01 Transfer of patent application right

Effective date of registration: 20090515

Address after: 346, Yao Xin Road, Nanjing Economic Development Zone, Jiangsu, China: 210038

Applicant after: LG Electronics Nanjing Display Co., Ltd.

Address before: 77, Hengtong Avenue, Nanjing Economic Development Zone, Jiangsu Province, China: 210038

Applicant before: LG Electronics (Nanjing) Plasma Co., Ltd.

C14 Grant of patent or utility model
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CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20100224

Termination date: 20150912

EXPY Termination of patent right or utility model