WO2004086444A1 - プラズマディスプレイパネル - Google Patents
プラズマディスプレイパネル Download PDFInfo
- Publication number
- WO2004086444A1 WO2004086444A1 PCT/JP2004/003941 JP2004003941W WO2004086444A1 WO 2004086444 A1 WO2004086444 A1 WO 2004086444A1 JP 2004003941 W JP2004003941 W JP 2004003941W WO 2004086444 A1 WO2004086444 A1 WO 2004086444A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- electrode
- discharge
- electrodes
- priming
- scan
- Prior art date
Links
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
- H01J11/20—Constructional details
- H01J11/22—Electrodes, e.g. special shape, material or configuration
- H01J11/28—Auxiliary electrodes, e.g. priming electrodes or trigger 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
Definitions
- the present invention relates to an AC type plasma display panel. Background art
- a plasma display panel (hereinafter abbreviated as PDP or panel) is a display device that has a large screen, is thin, and is lightweight and has excellent visibility.
- PDP discharge methods There are two types of PDP discharge methods: AC type and DC type.
- the electrode structure includes three-electrode surface discharge type and counter discharge type.
- the AC type and surface discharge type AC type three-electrode PDP are mainly used because they are suitable for high definition and are easy to manufacture.
- the AC type three-electrode PDP is formed by forming a large number of discharge cells between a front plate and a rear plate which are arranged to face each other.
- a plurality of pairs of display electrodes each composed of a scan electrode and a sustain electrode are formed on a front glass substrate in parallel with each other, and a dielectric layer and a protective layer are formed so as to cover the display electrodes.
- the back plate has a plurality of parallel data electrodes on a back glass substrate, a dielectric layer covering them, and a plurality of partitions formed thereon in parallel with the data electrodes.
- Phosphor layers are formed on the side surfaces of the partition walls.
- the front plate and the back plate are opposed to each other and sealed so that the display electrodes and the data electrodes cross three-dimensionally, and a discharge gas is sealed in an internal discharge space.
- ultraviolet light is generated by gas discharge in each discharge cell, and the ultraviolet light excites and emits phosphors of R, G, and B colors to perform color display.
- each subfield has an initialization period, a write period, and a sustain period.
- a scanning pulse is sequentially applied to the scanning electrodes, an address pulse corresponding to an image signal to be displayed is applied to the data electrodes, and writing discharge is selectively performed between the scanning electrodes and the data electrodes. And perform selective wall charge formation.
- a predetermined number of sustain pulses are applied between the scan electrode and the sustain electrode, and the discharge cells in which the wall charges have been formed by the write discharge are selectively discharged to emit light.
- the priming caused by the discharge decreases rapidly over time. Therefore, in the above-described panel driving method, the priming generated by the initialization discharge is insufficient for the address discharge after a long time has elapsed since the initialization discharge, the discharge delay is increased, and the address operation becomes unstable, and the image operation becomes unstable. There was a problem that the display quality deteriorated. Alternatively, there has been a problem that a long writing time is set to stably perform a writing operation, and as a result, a time spent in a writing period becomes too long.
- the present invention has been made in view of the above problems, and has as its object to provide a plasma display panel capable of performing a writing operation stably and at high speed. Disclosure of the invention
- the plasma display panel of the present invention is characterized in that a discharge is generated between an auxiliary scanning electrode arranged on the first substrate in parallel with the scanning electrode and an auxiliary scanning electrode arranged on the second substrate in parallel with the scanning electrode.
- a priming electrode that causes Brief description of the drawings,
- FIG. 1 is a sectional view showing a panel according to Embodiment 1 of the present invention.
- FIG. 2 is a perspective view schematically showing the structure of the panel on the rear substrate side.
- FIG. 3 is an electrode arrangement diagram of the panel.
- FIG. 4 is a driving waveform diagram of the panel.
- FIG. 5 is a cross-sectional view showing a panel according to Embodiment 2 of the present invention.
- FIG. 6 is an electrode arrangement diagram of the panel.
- FIG. 7 is a driving waveform diagram of the panel.
- FIG. 8 is a diagram showing an example of a circuit block of the panel drive device according to the first and second embodiments.
- FIG. 1 is a cross-sectional view showing a panel according to Embodiment 1 of the present invention
- FIG. 2 is a perspective view schematically showing a structure of a rear substrate which is a second substrate of the panel.
- a mixed gas of radiated neon and xenon is sealed.
- a plurality of scan electrodes 6, sustain electrodes 7, and auxiliary scan electrodes 20 are formed in pairs in parallel with each other.
- the scanning electrode 6 and the sustaining electrode 7 are respectively composed of transparent electrodes 6a and 7a, and metal busbars 6b and 7b formed on the transparent electrodes 6a and 7a.
- a light absorbing layer 8 made of a black material is provided between the scanning electrode 6 and the sustaining electrode 7 on the side where the metal busbars 6b and 7b are formed.
- an auxiliary scanning electrode 20 composed of a metal bus is formed.
- a dielectric layer 4 and a protective layer 5 are formed so as to cover these scan electrodes 6, sustain electrodes 7 and auxiliary scan electrodes 20.
- a plurality of data electrodes 9 are formed on the rear substrate 2 in parallel with each other, a dielectric layer 15 is formed so as to cover the data electrodes 9, and further, a discharge cell 11 is formed thereon.
- Partition walls 10 are formed. As shown in FIG. 2, the partition wall 10 forms a vertical wall portion 10 a parallel to the electrode 9, a discharge cell 11, and a gap 13 between the discharge cell 11.
- the side wall is composed of 1 Ob.
- a priming electrode 14 is formed in a direction orthogonal to the data electrode 9, and forms a priming space 13 a.
- the phosphor layer 12 is provided on the surface of the dielectric layer 15 corresponding to the discharge cell 11 partitioned by the partition wall 10 and on the side surface of the partition wall 10. However, the phosphor layer 12 is not provided on the gap 13 side.
- the priming space is formed so that the auxiliary scanning electrodes 20 formed on the front substrate 1 are parallel to the priming electrodes 14 formed on the rear substrate 2. Position them so that they face each other across 13 a. That is, the panels shown in FIGS. 1 and 2 perform a priming discharge between the auxiliary scanning electrode 20 formed on the front substrate 1 and the priming electrode 14 formed on the back substrate 2. Has become.
- FIGS. 1 and 2 further show a dielectric layer 16 covering the priming electrode 14.
- the dielectric layer 16 need not be formed.
- FIG. 3 is an electrode array diagram of the panel according to Embodiment 1 of the present invention.
- M in column direction Data electrodes 9 in FIG. 1 are arranged, and n rows of auxiliary scan electrodes PF] L to PF n (scan electrodes 20 in FIG. 1) and scan electrodes SC SCn (scan electrodes 6 in FIG. 1) are arranged in the row direction.
- the n-th sustain electrode SUi SUn (sustain electrode 7 in FIG. 1) are arranged in order.
- the auxiliary scanning electrodes PF 2 scanning electrodes (: connected 1, the auxiliary scanning electrodes PF 3 is connected to the scan electrodes SC 2, ⁇ ⁇ ⁇ , the auxiliary scanning electrodes PF n is connected to the scanning electrodes SCw .
- FIG. 4 is a driving waveform diagram of the panel according to the first embodiment of the present invention.
- one field period is composed of a plurality of subfields having an initialization period, a writing period, and a sustain period, but each subfield has a different number of sustain pulses in the sustain period.
- the same operation is performed, and the operation in one subfield will be described below.
- the sustain electrode SUi SUn and priming electrode PRi ⁇ PR n respectively kept 0 (V), the scan electrode SCi SC n and the auxiliary scanning electrodes P Fx ⁇ PF n, the sustain electrodes S! ⁇ From the discharge start voltage or less voltage Vii against ⁇ U n, applying a ramp waveform voltage gradually rises toward the voltage V i2 that exceeds the discharge start voltage.
- the scan electrodes SC ⁇ SC n and the auxiliary scanning electrodes PF i to PF n holds to an Dan voltage V c, priming electrode At the voltage VQ.
- a scanning pulse voltage Va is applied to the first row of auxiliary scanning electrodes PF];
- a priming discharge is generated between the priming electrode P Ri and the auxiliary scanning electrode P, and the priming is diffused into the first row of discharge cells corresponding to the first row scanning electrode S Ci. .
- a scan pulse voltage Va is applied to the scan electrodes S on the first row, and the data electrodes D k (k is l) corresponding to the image signal to be displayed on the first row among the data electrodes D i Dm.
- a positive write pulse voltage Vd is applied to At this time, a discharge occurs at the intersection of the scan electrode S and the data electrode Dk to which the address pulse voltage Vd is applied, and the discharge between the sustain electrode S and the scan electrode SCi of the corresponding discharge cell C occurs. Evolve. Then, a positive wall voltage accumulates above the scan electrode S Ci of the discharge cell C 1> k , and a negative wall voltage accumulates above the sustain electrode, thereby completing the address operation.
- the discharge of the discharge cell C in the first row including the scan electrode S ⁇ in the first row is sufficiently primed from the priming discharge generated immediately before between the auxiliary scanning electrode P and the priming electrode P Ri. Since the discharge occurs in the supplied state, the discharge delay is very small, and therefore, the discharge is fast and stable.
- the second row of auxiliary scan electrodes connected to the first row of scan electrodes Sd The scan pulse voltage Va is also applied to the PF 2 and a priming discharge occurs between the priming discharge PR 2 and the second row of the priming electrodes PR 2, and the discharge cell C of the second row corresponding to the scan electrode SC 2 of the second row Priming diffuses inside 1 to C 2 , m .
- the same address operation is performed up to the discharge cells C n , k in the n- th row, and the address operation is completed.
- the address discharge in the panel of the present invention is different from the address discharge depending only on the priming of the initialization discharge in the conventional panel, and is different from the priming discharge generated immediately before the address operation of each discharge cell. It is performed with sufficient priming supplied. Therefore, a high-speed and stable address discharge with a small discharge delay can be realized, and a high-quality image can be displayed.
- FIG. 5 is a cross-sectional view showing a panel according to Embodiment 2 of the present invention
- FIG. 6 is an electrode arrangement diagram of the panel.
- the same components as those in the first embodiment are denoted by the same reference numerals, and description thereof is omitted.
- the difference between the present embodiment and the first embodiment is that sustain electrode S Ui
- the point is that two scan electrodes 6 and sustain electrodes 7 are alternately arranged so that one scan electrode S d—scan electrode sc 2 —sustain electrode su 2 —.
- the priming electrode 14 and the auxiliary scanning electrode 20 are formed only in the gap 13 corresponding to the portion where the scanning electrodes 6 are adjacent to each other, and constitute a priming space 13a.
- n rows of auxiliary scanning electrodes 20 and n rows of priming electrodes 14 are provided in each gap 13, whereas in Embodiment 2, n Auxiliary scanning electrodes 20 in Z 2 rows and priming electrodes 14 in nZ 2 rows are provided at every other gap 13. Then, priming discharge is performed between the auxiliary scanning electrode 20 formed on the front substrate 1 side and the priming electrode 14 formed on the rear substrate 2 side.
- the priming space 13a for one row supplies priming to the discharge cells for two rows.
- FIG. 7 is a driving waveform diagram of the panel according to the second embodiment of the present invention.
- the operation in one subfield will be described.
- the operation during the initialization period is the same as in the first embodiment, and a description thereof will be omitted.
- the scan pulse voltage Va is applied to the scan electrodes S Ci in the first row
- the write pulse voltage V d corresponding to the image signal is applied to the data electrodes D k
- the write operation of the discharge cells is performed. I do.
- a scan pulse voltage V a is applied to the scan electrode SC 2 in the second row
- a write pulse voltage V d corresponding to the image signal is applied to the data electrode D k
- the discharge cells C 2 , k in the second row are applied.
- the second line of the scanning electrodes SC 2 to the connected third row scan pulse voltage V a to the auxiliary scanning electrodes PF 3 of is applied between the priming electrodes PR 3 in the third row
- Priming discharge occurs in the third row of discharge cells C 3> 1 to C 3 , m corresponding to the third row scan electrode SC 3 and the fourth row corresponding to the fourth row scan electrode SC 4
- the priming diffuses inside the discharge cell C ⁇ C ⁇ m.
- the same address operation is performed up to the discharge cells in the n-th row, and the address operation ends.
- the operation during the sustain period is the same as that in the first embodiment, and thus will not be described.
- the address discharge in the panel of the present invention is performed in a state where sufficient priming is supplied from the priming discharge generated immediately before the address operation of each discharge cell, as in the first embodiment.
- the delay is small, and the discharge is fast and stable.
- priming electrode 14 and scanning electrode 6 so that priming discharge includes other unnecessary discharges, for example, including sustain electrode 7.
- sustain electrode 7 There is also an advantage that the operation of the priming discharge itself is stable without causing a discharge or the like.
- each electrode of the AC PDP is surrounded by a dielectric layer and is insulated from the discharge space, the DC component does not contribute to the discharge itself. Therefore, it is needless to say that the same effect can be obtained by using the waveform obtained by adding the DC component to the drive waveform described in the first and second embodiments.
- the discharge cells C w in the first row Although the auxiliary scan electrode PF i corresponding to the above is provided, the address operation can be performed before the priming generated by the initializing discharge disappears in the discharge cells Cw C ⁇ in the first row. Auxiliary scanning electrode PF! May be omitted.
- FIG. 8 is a diagram illustrating an example of a circuit block of a panel driving device according to the first and second embodiments.
- the driving device 100 includes an image signal processing circuit 101, a data electrode driving circuit 102, an evening imaging control circuit 103, a scanning electrode driving circuit 104, and a sustain electrode driving circuit. 105 and a priming electrode drive circuit 106.
- the image signal and the synchronization signal are input to the image signal processing circuit 101.
- the image signal processing circuit 101 outputs a subfield signal for controlling whether or not to light each subfield to the data electrode driving circuit 102 based on the image signal and the synchronization signal.
- the synchronization signal is also input to the timing control circuit 103.
- the timing control circuit 103 controls the timing of the data electrode drive circuit 102, scan electrode drive circuit 104, sustain electrode drive circuit 105, and lighting electrode drive circuit 106 based on the synchronization signal. Output a signal.
- the data electrode drive circuit 102 applies a predetermined drive waveform to the data electrode 9 of the panel (the data electrode Di Dj in FIG. 3 according to the subfield signal and the timing control signal.
- the scan electrode drive circuit 10 2 Reference numeral 4 denotes a scan electrode 6 (scan electrode SC ⁇ S Cn in FIG. 3) and an auxiliary scan electrode 20 (an auxiliary scan electrode PF i P in FIG. 3) of the panel according to the timing control signal.
- a predetermined drive waveform is applied to the sustain electrode driving circuit 105, and the sustain electrode driving circuit 105 responds to the timing control signal to maintain the sustain electrode 7 (the sustain electrode S in FIG. S
- a predetermined drive waveform is applied to U n ).
- the priming electrode drive circuit 106 applies a predetermined drive waveform to the priming electrode 14 of the panel according to the timing control signal (the priming electrode P RiP Rn- in FIG. 3 applies a predetermined drive waveform.
- the data electrode drive circuit 102, scan The electrode drive circuit 104, the sustain electrode drive circuit 105, and the priming electrode drive circuit 106 are supplied with necessary power from a power supply circuit (not shown).
- a driving device using the plasma display panel according to the embodiment of the present invention can be configured.
- the plasma display panel according to the present invention can perform a writing operation stably and at high speed, and is therefore useful as a plasma display device.
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Plasma & Fusion (AREA)
- Chemical & Material Sciences (AREA)
- Materials Engineering (AREA)
- Gas-Filled Discharge Tubes (AREA)
- Control Of Indicators Other Than Cathode Ray Tubes (AREA)
Abstract
Description
Claims
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020047020585A KR100661686B1 (ko) | 2003-03-24 | 2004-03-23 | 플라즈마 디스플레이 패널 |
US10/512,690 US7176852B2 (en) | 2003-03-24 | 2004-03-23 | Plasma display panel |
EP04722687A EP1507277A4 (en) | 2003-03-24 | 2004-03-23 | PLASMA SCREEN |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2003080304A JP4325237B2 (ja) | 2003-03-24 | 2003-03-24 | プラズマディスプレイパネル |
JP2003-080304 | 2003-03-24 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2004086444A1 true WO2004086444A1 (ja) | 2004-10-07 |
Family
ID=33094870
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP2004/003941 WO2004086444A1 (ja) | 2003-03-24 | 2004-03-23 | プラズマディスプレイパネル |
Country Status (6)
Country | Link |
---|---|
US (1) | US7176852B2 (ja) |
EP (1) | EP1507277A4 (ja) |
JP (1) | JP4325237B2 (ja) |
KR (1) | KR100661686B1 (ja) |
CN (1) | CN100341101C (ja) |
WO (1) | WO2004086444A1 (ja) |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP4325244B2 (ja) * | 2003-03-27 | 2009-09-02 | パナソニック株式会社 | プラズマディスプレイパネル |
KR100766747B1 (ko) * | 2006-03-23 | 2007-10-12 | 한국과학기술원 | 4전극 구조를 갖는 교류 플라즈마 디스플레이 패널의구동방법 및 이를 이용한 플라즈마 디스플레이 패널 |
JP2007286192A (ja) * | 2006-04-13 | 2007-11-01 | Fujitsu Hitachi Plasma Display Ltd | プラズマディスプレイパネルの駆動方法 |
KR100762252B1 (ko) | 2006-05-30 | 2007-10-01 | 엘지전자 주식회사 | 플라즈마 디스플레이 장치 |
KR20110023084A (ko) * | 2009-08-28 | 2011-03-08 | 삼성에스디아이 주식회사 | 플라즈마 디스플레이 패널 |
CN101664480B (zh) * | 2009-10-10 | 2011-04-13 | 吴理靖 | 一种治疗骨质增生症的中草药剂 |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH11297211A (ja) * | 1998-04-14 | 1999-10-29 | Nec Corp | 交流放電型プラズマディスプレイパネル及びその駆動方法 |
JP2002169507A (ja) * | 2000-11-30 | 2002-06-14 | Fujitsu Ltd | プラズマディスプレイパネル及びその駆動方法 |
JP2002297091A (ja) * | 2000-08-28 | 2002-10-09 | Matsushita Electric Ind Co Ltd | プラズマディスプレイパネル、その駆動方法、及びプラズマディスプレイ装置 |
Family Cites Families (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB1585709A (en) * | 1978-01-17 | 1981-03-11 | Philips Electronic Associated | Gas discharge display and panel therefor |
FR2611295B1 (fr) * | 1987-02-20 | 1989-04-07 | Thomson Csf | Panneau a plasma a quatre electrodes par point elementaire d'image et procede de commande d'un tel panneau a plasma |
US6411035B1 (en) * | 1999-05-12 | 2002-06-25 | Robert G. Marcotte | AC plasma display with apertured electrode patterns |
KR100335103B1 (ko) * | 1999-08-09 | 2002-05-04 | 구자홍 | 플라즈마 디스플레이 패널의 구조와 구동방법 |
KR100330030B1 (ko) * | 1999-12-28 | 2002-03-27 | 구자홍 | 플라즈마 디스플레이 패널 및 그 구동방법 |
TW518539B (en) * | 2000-08-28 | 2003-01-21 | Matsushita Electric Ind Co Ltd | Plasma display panel with superior luminous characteristics |
US6720736B2 (en) * | 2000-12-22 | 2004-04-13 | Lg Electronics Inc. | Plasma display panel |
JP2003058105A (ja) * | 2001-08-14 | 2003-02-28 | Sony Corp | プラズマ表示装置の駆動方法 |
JP3695746B2 (ja) * | 2001-12-27 | 2005-09-14 | パイオニア株式会社 | プラズマディスプレイパネルの駆動方法 |
TWI285389B (en) * | 2002-11-05 | 2007-08-11 | Matsushita Electric Ind Co Ltd | Plasma display panel |
-
2003
- 2003-03-24 JP JP2003080304A patent/JP4325237B2/ja not_active Expired - Fee Related
-
2004
- 2004-03-23 WO PCT/JP2004/003941 patent/WO2004086444A1/ja active Application Filing
- 2004-03-23 KR KR1020047020585A patent/KR100661686B1/ko not_active IP Right Cessation
- 2004-03-23 EP EP04722687A patent/EP1507277A4/en not_active Withdrawn
- 2004-03-23 CN CNB2004800003841A patent/CN100341101C/zh not_active Expired - Fee Related
- 2004-03-23 US US10/512,690 patent/US7176852B2/en not_active Expired - Fee Related
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH11297211A (ja) * | 1998-04-14 | 1999-10-29 | Nec Corp | 交流放電型プラズマディスプレイパネル及びその駆動方法 |
JP2002297091A (ja) * | 2000-08-28 | 2002-10-09 | Matsushita Electric Ind Co Ltd | プラズマディスプレイパネル、その駆動方法、及びプラズマディスプレイ装置 |
JP2002169507A (ja) * | 2000-11-30 | 2002-06-14 | Fujitsu Ltd | プラズマディスプレイパネル及びその駆動方法 |
Also Published As
Publication number | Publication date |
---|---|
CN100341101C (zh) | 2007-10-03 |
JP2004288514A (ja) | 2004-10-14 |
CN1698163A (zh) | 2005-11-16 |
JP4325237B2 (ja) | 2009-09-02 |
US7176852B2 (en) | 2007-02-13 |
EP1507277A4 (en) | 2008-08-27 |
EP1507277A1 (en) | 2005-02-16 |
KR20050005564A (ko) | 2005-01-13 |
US20050219160A1 (en) | 2005-10-06 |
KR100661686B1 (ko) | 2006-12-26 |
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