JP2962039B2 - Plasma display panel - Google Patents

Plasma display panel

Info

Publication number
JP2962039B2
JP2962039B2 JP10443892A JP10443892A JP2962039B2 JP 2962039 B2 JP2962039 B2 JP 2962039B2 JP 10443892 A JP10443892 A JP 10443892A JP 10443892 A JP10443892 A JP 10443892A JP 2962039 B2 JP2962039 B2 JP 2962039B2
Authority
JP
Japan
Prior art keywords
electrode
discharge
display panel
insulating substrate
plasma display
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.)
Expired - Fee Related
Application number
JP10443892A
Other languages
Japanese (ja)
Other versions
JPH0644907A (en
Inventor
哲治 岡島
Original Assignee
日本電気株式会社
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 日本電気株式会社 filed Critical 日本電気株式会社
Priority to JP10443892A priority Critical patent/JP2962039B2/en
Publication of JPH0644907A publication Critical patent/JPH0644907A/en
Application granted granted Critical
Publication of JP2962039B2 publication Critical patent/JP2962039B2/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a plasma display panel used for an information display terminal or a flat-panel television, and more particularly to a high-resolution and large-capacity color plasma display panel for realizing high-speed and reliable operation. Regarding the structure.

[0002]

2. Description of the Related Art A color plasma display panel is a display which excites and emits a fluorescent substance by ultraviolet rays generated by gas discharge to obtain visible light and performs a display operation, and can be classified into an AC type and a DC type according to a discharge method. AC
Among the molds, the reflective AC surface discharge type is superior in terms of luminance and luminous efficiency. FIG. 2 shows a sectional view of one discharge cell of the reflective AC surface discharge plasma display panel. A transparent electrode 19 as a row electrode for generating a surface discharge is formed on a front substrate 20. Transparent electrode 19 is usually IT
Although formed of O or SnO 2 , since the sheet resistance is high, the bus electrode 18 is formed of, for example, an Al thin film or a silver thick film.
This is covered with an insulating layer 17 of low melting point lead glass. This surface is covered with a protective layer 16. The protective layer is formed of, for example, an MgO thin film. On the other hand, a data electrode 11 as a column electrode is formed on the rear substrate 10 by, for example, an Al thin film or a silver thick film, and is covered with an insulating layer 12. The front substrate 20 and the rear substrate 10
Are combined so that the stripe-shaped transparent electrode 19 and the stripe-shaped data electrode 11 are orthogonal to each other with the white partition 14 and the black partition 15 interposed therebetween. These partitions are formed by, for example, screen printing or sandblasting. At this time, the phosphor 13 is formed on the surfaces of the insulating layer 12 and the white partition 14.

FIG. 3 is a plan view of an AC surface discharge type plasma display panel viewed from the rear substrate 10 side. Surface discharge is generated between adjacent transparent electrodes 32. The transparent electrode 32 accesses the discharge cells 34 on both sides thereof. Discharge cell 34
Is defined by the partition wall 33. Red, blue, and green phosphors are sequentially painted in the discharge cells 34, and the color pixel arrangement is triangular. The data electrode 30 has a stripe shape and accesses the discharge cells 34 in every other row, and is hidden under the barrier ribs 33 in rows that are not accessed.

In driving, since every other transparent electrode 32 serves as a scanning electrode and a sustaining electrode, a sustaining pulse is applied between the adjacent transparent electrodes 32, and display data is written in the scanning electrode and the data electrode. This is performed by applying a data pulse during 30 to generate a discharge. Since the scan electrode accesses the discharge cells 34 on both sides, two rows of discharge cells can be simultaneously scanned by one scan electrode.

A dischargeable gas such as H
A mixed gas of e and Xe is sealed at about 250 torr.

[0006]

In the conventional plasma display panel, it is difficult to obtain a good display, particularly, the data write operation is incomplete, and it is necessary to increase the data pulse voltage, which causes a driving problem. Was. This problem is particularly remarkable in a plasma display panel having a large area and a large display capacity in which the variation in discharge characteristics of each pixel is large.

[0007]

According to the present invention, there is provided a first insulating substrate on which a row electrode for generating a surface discharge covered with an insulating layer is formed, and a second insulating substrate on which a column electrode for writing data is formed. An insulating substrate, the first insulating substrate and the second insulating substrate such that the row electrode and the column electrode are orthogonal to each other,
ACs opposed to each other via partition walls defining each discharge cell
In a surface discharge type plasma display panel, a scan electrode of the row electrode among the column electrodes in the discharge cell
The width of the part opposite to the row electrode
Does not contribute to the writing discharge of the column electrode in the cell
It is characterized by being wider than the line width of the part.

[0008]

[Operation] As a result of examining the data write operation in detail,
It has been found that there is a relationship between the effective area of the data electrode and the minimum value of the voltage applied to the data electrode required to generate the write discharge as shown in FIGS. Here, the effective area of the data electrode is the area of the data electrode 30 facing the scanning electrode in the discharge cell 34. In FIG. 4, as the effective data electrode area is larger, the voltage required for data write discharge is lower. Therefore, the load on the drive circuit is reduced. In addition, the likelihood of a write discharge is almost proportional to the difference between the voltage applied to the data electrode and the minimum value of the voltage required for the write discharge. Therefore, the lower the minimum value of the voltage required for the write discharge is, the larger the difference is. Therefore, a reliable writing operation can be performed.

It has also been found that the relationship between the effective area of the data electrode and the discharge delay time is as shown in FIG. The discharge delay time referred to here is a discharge formation time obtained by subtracting the statistical delay time from the time from the voltage application to the start of the discharge. Again, it can be seen that the larger the effective electrode area, the shorter the discharge delay time, which is advantageous for high-speed operation.

From the above results, it is better that the effective area of the data electrode is wider. However, since the shape of the data electrode is conventionally a stripe shape, the width of the electrode cannot be made larger than the width of the partition wall. However, in the present invention, a sufficient width of the data electrode is ensured because the width of the data electrode is narrower than the width of the partition in the portion hidden by the partition and wider in the portion over the discharge cell. it can.

[0011]

DESCRIPTION OF THE PREFERRED EMBODIMENTS Next, the present invention will be described with reference to the drawings. FIG. 1 is a plan view showing a reference example of the present invention. Here, the reflection type AC surface discharge plasma display panel described in the conventional example will be described as an example, but other than this, an AC type plasma display panel having a structure including a data electrode and an electrode for generating a main discharge, wherein the data electrode is A similar effect can be obtained if the panel has a portion related to the discharge cell and a portion overlapping the partition. In the plasma display panel described in the conventional example, the shape of the data electrode is a stripe shape. Therefore, if the electrode width is increased in order to increase the effective area of the data electrode, the data electrode protrudes from the partition wall, and erroneous writing occurs. In order to solve this problem, in the present embodiment , as shown in FIG. 1, the shape of the data electrode 1 is expanded to almost the full size of the discharge cell 5 at the discharge cell 5 to maximize the effective electrode area. FIG. 1 is a view from the rear substrate side. On the other hand, in a portion hidden under the partition 4, the electrode width is made smaller than the width of the partition to prevent erroneous writing. As a result, data write discharge can be performed at a lower voltage and more reliably than before. The sectional view of the discharge cell 34 is shown in FIG.
Is the same as

FIG. 6 is a plan view showing an embodiment of the present invention. This embodiment contributes to the writing discharge of the data electrode.
Portion, that is, only the portion facing the scanning electrode 41
The width of the data electrode 40 is increased. In the discharge cell 45
However, the portion of the data electrode 40 facing the sustain electrode 43
Does not contribute to write discharge, so it is not widened.
Under the partition 44 of the data electrode which does not contribute to the write discharge.
The portion that is hidden by is made smaller than the width of the partition. like this
With this structure, the capacitance between the data electrodes 40 is reduced, so that the capacitive current is reduced and the load on the drive circuit is reduced.

In the above embodiment, the shape of the discharge cell is described as being hexagonal, but this may be square or rhombic.
Although the shape of the data electrode changes according to the shape of the discharge cell, the effect is the same. Various similar variations are also conceivable for the shape of the data electrode in FIG.

[0014]

As described above, by using the structure of the plasma display panel of the present invention, a plasma display panel capable of performing a high-speed and reliable data writing operation can be manufactured.

[Brief description of the drawings]

FIG. 1 is a plan view showing a reference example of the present invention.

FIG. 2 is a cross-sectional view of an AC surface discharge type color plasma display panel.

FIG. 3 is a plan view of a conventional plasma display panel.

FIG. 4 is a graph showing a relationship between an effective data electrode area and a minimum data voltage required for writing.

FIG. 5 is a graph showing a relationship between an effective data electrode area and a discharge delay time.

FIG. 6 is a plan view of a plasma display panel according to one embodiment of the present invention.

[Explanation of symbols]

 1,11,30,40 Data electrode 2,18,31,42 Bus electrode 3,19,32 Transparent electrode 4,33,44 Partition wall 5,34,45 Discharge cell 10 Back substrate 12 Insulating layer 13 Phosphor 14 White partition Reference Signs List 15 black partition wall 16 protective layer 17 insulating layer 20 front substrate 41 transparent electrode (scanning electrode) 43 transparent electrode (sustaining electrode)

Claims (2)

    (57) [Claims]
  1. A first insulating substrate provided with a row electrode for generating a surface discharge and covered with an insulating layer, and a second insulating substrate provided with a column electrode for writing data; And the first insulating substrate and the second insulating substrate are opposed to each other with a partition therebetween so that the column electrodes are orthogonal to the column electrodes.
    AC surface discharge type plasma display panel,
    The scanning electrode of the row electrode among the column electrodes in the discharge cell
    The width of the part opposing the row electrode serving as a pole is
    Do not contribute to the write discharge of the column electrodes in the discharge cells.
    A plasma display panel characterized by being wider than the line width of the part .
  2. 2. A surface discharge covered by an insulating layer is generated.
    A first insulating substrate on which row electrodes are formed, and data writing
    A second insulating substrate on which a column electrode for performing
    The first insulating substrate so that an electrode and the column electrode are orthogonal to each other
    And the second insulating substrate to define each discharge cell therebetween.
    The electrodes are opposed to each other via a partition wall, and approach the write discharge of the column electrode.
    AC surface-discharge type plasma having a non-applied portion covered with the partition wall
    In the display panel, the width of the column electrode is small.
    At least in the part that does not contribute to the writing discharge,
    Also narrow, and the front of the column electrodes in the discharge cells
    Opposite to the row electrode serving as a scanning electrode for the recording electrode
    The plasma
    Display panel.
JP10443892A 1992-04-23 1992-04-23 Plasma display panel Expired - Fee Related JP2962039B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP10443892A JP2962039B2 (en) 1992-04-23 1992-04-23 Plasma display panel

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP10443892A JP2962039B2 (en) 1992-04-23 1992-04-23 Plasma display panel

Publications (2)

Publication Number Publication Date
JPH0644907A JPH0644907A (en) 1994-02-18
JP2962039B2 true JP2962039B2 (en) 1999-10-12

Family

ID=14380673

Family Applications (1)

Application Number Title Priority Date Filing Date
JP10443892A Expired - Fee Related JP2962039B2 (en) 1992-04-23 1992-04-23 Plasma display panel

Country Status (1)

Country Link
JP (1) JP2962039B2 (en)

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US6670775B2 (en) 2001-05-24 2003-12-30 Nec Corporation Plasma display panel and driving method thereof
US6870316B2 (en) 2000-03-28 2005-03-22 Mitsubishi Denki Kabushiki Kaisha Plasma display apparatus

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US6281628B1 (en) 1998-02-13 2001-08-28 Lg Electronics Inc. Plasma display panel and a driving method thereof
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US6479932B1 (en) 1998-09-22 2002-11-12 Nec Corporation AC plasma display panel
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JP4017057B2 (en) * 1999-04-27 2007-12-05 株式会社日立プラズマパテントライセンシング Driving method of plasma display panel
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JP2003132805A (en) * 2001-08-14 2003-05-09 Sony Corp Plasma display device
US6853136B2 (en) 2001-08-20 2005-02-08 Samsung Sdi Co., Ltd. Plasma display panel having delta discharge cell arrangement
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JP4251816B2 (en) 2002-04-18 2009-04-08 日立プラズマディスプレイ株式会社 Plasma display panel
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US7323818B2 (en) 2002-12-27 2008-01-29 Samsung Sdi Co., Ltd. Plasma display panel
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US7605537B2 (en) 2003-06-19 2009-10-20 Samsung Sdi Co., Ltd. Plasma display panel having bus electrodes extending across areas of non-discharge regions
US7327083B2 (en) 2003-06-25 2008-02-05 Samsung Sdi Co., Ltd. Plasma display panel
US7425797B2 (en) 2003-07-04 2008-09-16 Samsung Sdi Co., Ltd. Plasma display panel having protrusion electrode with indentation and aperture
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US7557507B2 (en) 2004-01-05 2009-07-07 Au Optronics Corporation Electrode and method of manufacture
US7019460B2 (en) * 2004-02-05 2006-03-28 Au Optronics Corporation Plasma display panel and method of driving thereof
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