JPH0831325A - Surface discharge type plasma display panel - Google Patents
Surface discharge type plasma display panelInfo
- Publication number
- JPH0831325A JPH0831325A JP6163522A JP16352294A JPH0831325A JP H0831325 A JPH0831325 A JP H0831325A JP 6163522 A JP6163522 A JP 6163522A JP 16352294 A JP16352294 A JP 16352294A JP H0831325 A JPH0831325 A JP H0831325A
- Authority
- JP
- Japan
- Prior art keywords
- phosphor layer
- film
- surface discharge
- fluorescent substance
- display panel
- 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.)
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Abstract
Description
【０００１】[0001]
【産業上の利用分野】本発明は蛍光体層を有した面放電
型のプラズマディスプレイパネル（ＰＤＰ）に関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a surface discharge type plasma display panel (PDP) having a phosphor layer.
【０００２】ＰＤＰは、視認性の上で有利な自己発光型
の表示デバイスであり、画面の大型化及び高速表示が可
能であることから、ＣＲＴに代わる薄型表示デバイスと
して注目されている。特に蛍光体によってフルカラー表
示を行う面放電型ＰＤＰは、ハイビジョンを含むテレビ
ジョン映像の分野にその用途が拡大されつつある。[0002] PDPs are self-luminous display devices that are advantageous in terms of visibility, and because they are capable of large screens and high-speed display, they have attracted attention as thin display devices that replace CRTs. In particular, the surface discharge PDP that performs full-color display by using a phosphor is expanding its application to the field of television images including high definition.
【０００３】[0003]
【従来の技術】３色の蛍光体によるフルカラー表示に適
したＰＤＰとして、３電極構造の有したＡＣ駆動形式の
面放電型ＰＤＰが知られている。2. Description of the Related Art As a PDP suitable for full-color display using three-color phosphors, an AC drive type surface discharge PDP having a three-electrode structure is known.
【０００４】この種のＰＤＰは、本発明の実施例を示す
図１のように、表示面Ｈ側のガラス基板１１、横方向に
互いに平行に隣接して延びた一対の表示電極Ｘ，Ｙ、Ａ
Ｃ駆動のための誘電体層１７、酸化マグネシウム（Ｍｇ
Ｏ）からなる保護膜１８、背面側のガラス基板２１、表
示電極Ｘ，Ｙと直交するアドレス電極Ａ、アドレス電極
Ａと平行なストライプ状の隔壁２９、及びフルカラー表
示用の３色の蛍光体層２８Ｒ，２８Ｇ，２８Ｂなどから
構成されている。表示電極Ｘ，Ｙによって面放電セル
（表示の主放電セル）が画定され、一方の表示電極Ｙと
アドレス電極Ａとによって、マトリクス表示の単位発光
領域ＥＵの点灯又は非点灯を選択するためのアドレス放
電セルが画定される。As shown in FIG. 1 showing an embodiment of the present invention, this type of PDP includes a glass substrate 11 on the display surface H side, a pair of display electrodes X and Y extending in parallel and adjacent to each other. A
Dielectric layer 17 for driving C, magnesium oxide (Mg
O) protective film 18, glass substrate 21 on the back side, address electrodes A orthogonal to the display electrodes X and Y, stripe-shaped partition walls 29 parallel to the address electrodes A, and phosphor layers of three colors for full-color display. 28R, 28G, 28B and the like. A surface discharge cell (main discharge cell for display) is defined by the display electrodes X and Y, and an address for selecting lighting or non-lighting of the unit light emitting area EU of matrix display by one display electrode Y and the address electrode A. A discharge cell is defined.
【０００５】蛍光体層２８Ｒ，２８Ｇ，２８Ｂは、放電
時のイオン衝撃を避けるために、表示電極Ｘ，Ｙと反対
側のガラス基板２１上にアドレス電極Ａを被覆するよう
に設けられ、主放電セルの面放電で生じる紫外線によっ
て励起されて発光する。なお、蛍光体層２８Ｒ，２８
Ｇ，２８Ｂは、粒状の蛍光物質を主成分とする蛍光体ペ
ーストの焼成体である。The phosphor layers 28R, 28G and 28B are provided so as to cover the address electrodes A on the glass substrate 21 on the side opposite to the display electrodes X and Y in order to avoid ion bombardment during discharge, and the main discharge is performed. It emits light by being excited by ultraviolet rays generated by the surface discharge of the cell. The phosphor layers 28R, 28
G and 28B are fired bodies of a phosphor paste containing a granular phosphor material as a main component.
【０００６】蛍光体層２８Ｒ，２８Ｇ，２８Ｂの直下の
アドレス電極Ａは、厚膜法によって形成され、通常は導
電性及び他の部材との親和性の良好な銀電極とされてい
る。これに対して、アドレス電極Ａを薄膜電極とした場
合には、蛍光体層２８Ｒ，２８Ｇ，２８Ｂが多孔質であ
ることから、蛍光体層２８Ｒ，２８Ｇ，２８Ｂの焼成時
及びその後のガラス基板１１，２１の封着時の熱処理に
おいて電極が酸化し、それによって導電性が損なわれて
しまう。The address electrode A immediately below the phosphor layers 28R, 28G and 28B is formed by a thick film method, and is usually a silver electrode having good conductivity and good affinity with other members. On the other hand, when the address electrode A is a thin film electrode, since the phosphor layers 28R, 28G, and 28B are porous, the glass substrate 11 during and after firing the phosphor layers 28R, 28G, and 28B. , 21 oxidize the electrodes during the heat treatment at the time of sealing, thereby impairing the conductivity.
【０００７】[0007]
【発明が解決しようとする課題】ところが、従来におい
ては、蛍光物質がアドレス電極Ａの銀と反応して変質
し、発光色の色度（色度図上の座標）の経時変化が顕著
であった。また、蛍光体層２８Ｒ，２８Ｇ，２８Ｂの焼
成の段階でも色度変化が生じた。特に、酸化バリウム系
の蛍光物質、例えば青色（Ｂ）の３（Ｂａ，Ｍｇ）Ｏ・
８Ａｌ2 Ｏ3 ：Ｅｕでは劣化（黒色化）が速く進行し
た。However, in the prior art, the fluorescent substance reacts with the silver of the address electrode A to deteriorate, and the chromaticity of emitted color (coordinates on the chromaticity diagram) changes significantly with time. It was Further, chromaticity change also occurred at the stage of firing the phosphor layers 28R, 28G, 28B. In particular, a barium oxide-based fluorescent substance such as blue (B) 3 (Ba, Mg) O.
With 8Al 2 O 3 : Eu, deterioration (blackening) proceeded rapidly.
【０００８】本発明は、このような問題に鑑みてなされ
たもので、表示の色度変化を抑えることを目的としてい
る。The present invention has been made in view of such problems, and an object thereof is to suppress a change in chromaticity of display.
【０００９】[0009]
【課題を解決するための手段】請求項１の発明のＰＤＰ
は、上述の課題を解決するため、図１に示すように、紫
外線励起によって発光する蛍光体層の直下に銀電極を有
し、前記蛍光体層が個々に透光性酸化膜で被覆された多
数の粒子状蛍光物質からなる構成の面放電型ＰＤＰであ
る。A PDP according to the invention of claim 1
In order to solve the above problems, as shown in FIG. 1, a silver electrode is provided directly below a phosphor layer that emits light when excited by ultraviolet rays, and the phosphor layers are individually covered with a transparent oxide film. It is a surface discharge type PDP having a structure composed of a large number of particulate fluorescent substances.
【００１０】請求項２の発明のＰＤＰは、前記蛍光体層
が個々に酸化マグネシウム膜で被覆された多数の粒子状
蛍光物質からなる構成の面放電型ＰＤＰである。The PDP of the second aspect of the present invention is a surface discharge type PDP in which the phosphor layer is composed of a large number of particulate fluorescent substances individually coated with a magnesium oxide film.
【００１１】[0011]
【作用】透光性酸化膜によって、粒子状蛍光物質と銀電
極とが隔てられ、銀との反応による粒子状蛍光物質の変
質が抑制される。また、粒子状蛍光物質が放電時のイオ
ン衝撃から保護される。The translucent oxide film separates the particulate fluorescent substance from the silver electrode and suppresses the alteration of the particulate fluorescent substance due to the reaction with silver. In addition, the particulate fluorescent material is protected from ion bombardment during discharge.
【００１２】粒子状蛍光物質を個々に透光性酸化膜で被
覆しておくことにより、銀電極上に隔離層を設ける場合
と違って、銀電極が多孔質の蛍光体層を介して放電空間
に露出するので、銀電極の機能に支障が生じない。加え
て、順番に行うべき（並行して行うことのできない）製
造工程が増加しないので、量産性が損なわれない。Unlike the case where an isolation layer is provided on the silver electrode, the silver electrode is covered with a transparent oxide film so as to cover the particulate fluorescent substance individually, and the silver electrode is discharged through the porous phosphor layer. Since it is exposed to the surface, it does not hinder the function of the silver electrode. In addition, since the number of manufacturing steps that should be performed in sequence (which cannot be performed in parallel) does not increase, mass productivity is not impaired.
【００１３】また、透光性酸化膜が酸化マグネシウム
（ＭｇＯ）膜であれば、粒子状蛍光物質において、２次
電子放出によって放電が強められ、励起エネルギーが増
大して発光の輝度が高まる。If the light-transmissive oxide film is a magnesium oxide (MgO) film, in the particulate fluorescent material, secondary electron emission enhances discharge, and excitation energy increases, so that emission brightness increases.
【００１４】[0014]
【実施例】図１は本発明に係るＰＤＰ１の１画素ＥＧに
対応する部分の構造を示す分解斜視図、図２は青色の蛍
光体層２８Ｂの構造を模式的に示す拡大断面図である。1 is an exploded perspective view showing the structure of a portion corresponding to one pixel EG of a PDP 1 according to the present invention, and FIG. 2 is an enlarged sectional view schematically showing the structure of a blue phosphor layer 28B.
【００１５】図１のように、ＰＤＰ１は、マトリクス表
示の単位発光領域ＥＵに一対の表示電極Ｘ，Ｙとアドレ
ス電極Ａとが対応する３電極構造を有し、蛍光体の配置
形態による分類の上で反射型と呼称される面放電型ＰＤ
Ｐである。As shown in FIG. 1, the PDP 1 has a three-electrode structure in which a pair of display electrodes X, Y and an address electrode A correspond to each other in a unit light emitting region EU of matrix display. Surface discharge type PD, which is called reflection type above
P.
【００１６】面放電のための表示電極Ｘ，Ｙは、表示面
Ｈ側のガラス基板１１上に設けられ、壁電荷を利用して
放電を維持するＡＣ駆動のための誘電体層１７によって
放電空間３０に対して被覆されている。誘電体層１７の
表面には、その保護膜として数千Å程度の厚さのＭｇＯ
膜１８が設けられている。The display electrodes X and Y for surface discharge are provided on the glass substrate 11 on the display surface H side, and a discharge space is provided by a dielectric layer 17 for AC driving that uses wall charges to maintain discharge. Coated for 30. On the surface of the dielectric layer 17, a protective film of MgO having a thickness of about several thousand liters is used.
A membrane 18 is provided.
【００１７】なお、表示電極Ｘ，Ｙは、放電空間３０に
対して表示面Ｈ側に配置されることから、面放電を広範
囲とし且つ表示光の遮光を最小限とするため、ネサ膜な
どからなる幅の広い透明導電膜４１とその導電性を補う
幅の狭いバス金属膜４２とから構成されている。Since the display electrodes X and Y are arranged on the display surface H side with respect to the discharge space 30, the surface discharge is made wide and the shielding of the display light is minimized. The transparent conductive film 41 has a wide width and the bus metal film 42 has a narrow width to compensate for the conductivity.
【００１８】一方、背面側のガラス基板２１上には、単
位発光領域ＥＵを選択的に発光させるために、表示電極
Ｘ，Ｙと直交するようにアドレス電極Ａが一定ピッチで
配列されている。アドレス電極Ａは、主成分の銀（Ａ
ｇ）、ホウケイ酸鉛系ガラス（ガラスフリット）、酸化
ビスマス（フィラー）、エチルセルロース系樹脂（バイ
ンダー）、及び有機溶剤からなる銀ペーストを、６００
℃程度の温度で焼成した厚さ５〜１５μｍ程度の厚膜電
極である。On the other hand, on the rear glass substrate 21, address electrodes A are arranged at a constant pitch so as to be orthogonal to the display electrodes X and Y in order to selectively emit light in the unit light emitting region EU. The address electrode A is composed of silver (A
g), lead borosilicate glass (glass frit), bismuth oxide (filler), ethyl cellulose resin (binder), and silver paste consisting of an organic solvent, 600
It is a thick film electrode having a thickness of about 5 to 15 μm, which is fired at a temperature of about ° C.
【００１９】各アドレス電極Ａの間には、１００〜１５
０μｍ程度の高さを有したストライプ状の隔壁２９が設
けられ、これによって放電空間３０がライン方向（表示
電極Ｘ，Ｙの延長方向）に単位発光領域ＥＵ毎に区画さ
れ、且つ放電空間３０の間隙寸法が規定されている。Between each address electrode A, 100 to 15
Stripe-shaped barrier ribs 29 having a height of about 0 μm are provided, whereby the discharge spaces 30 are divided into unit light emitting regions EU in the line direction (extension direction of the display electrodes X and Y), and the discharge spaces 30 are formed. The gap size is specified.
【００２０】また、ガラス基板２１には、アドレス電極
Ａの上面及び隔壁２９の側面を含めて背面側の内面を被
覆するように、Ｒ（赤），Ｇ（緑），Ｂ（青）の３原色
の蛍光体層２８Ｒ，２８Ｇ，２８Ｂが、スクリーン印刷
法などによるペーストの塗布及びその後の焼成によって
設けられている。蛍光体層の焼成温度は、アドレス電極
Ａの焼成温度よりも低い約５００℃である。なお、各蛍
光体層２８Ｒ，２８Ｇ，２８Ｂにおけるアドレス電極Ａ
の上面を覆う部分の厚さは、２０μｍ程度である。The glass substrate 21 includes R (red), G (green), and B (blue) so as to cover the inner surface of the rear surface including the upper surface of the address electrode A and the side surface of the partition wall 29. The primary color phosphor layers 28R, 28G, 28B are provided by applying a paste by a screen printing method or the like and then firing it. The firing temperature of the phosphor layer is about 500 ° C. lower than the firing temperature of the address electrode A. The address electrode A in each phosphor layer 28R, 28G, 28B
The thickness of the portion covering the upper surface of is about 20 μm.
【００２１】このような蛍光体層２８Ｒ，２８Ｇ，２８
Ｂは、面放電時に放電空間３０内の放電ガスが放つ紫外
線（波長λ＝１４７ｎｍ）によって励起されて発光す
る。放電ガスは、ネオンにキセノン（１〜１５％モル程
度）を混合したペニングガスである。Such phosphor layers 28R, 28G, 28
B is excited by the ultraviolet rays (wavelength λ = 147 nm) emitted from the discharge gas in the discharge space 30 during surface discharge and emits light. The discharge gas is Penning gas in which neon is mixed with xenon (about 1 to 15% mol).
【００２２】表示面Ｈ内において、各画素ＥＧはライン
方向に並ぶ同一面積の３つの単位発光領域ＥＵから構成
され、これら３つの単位発光領域ＥＵのそれぞれに蛍光
体層２８Ｒ，２８Ｇ，２８Ｂが１色ずつ対応づけられて
いる。なお、各色の蛍光体層２８Ｒ，２８Ｇ，２８Ｂは
アドレス電極Ａの延長方向に連続しているが、放電が局
所的であることから、蛍光体層２８Ｒ，２８Ｇ，２８Ｂ
における各単位発光領域ＥＵに対応した部分を選択的に
発光させることができる。In the display surface H, each pixel EG is composed of three unit light emitting regions EU having the same area and arranged in the line direction, and one phosphor layer 28R, 28G, 28B is provided in each of these three unit light emitting regions EU. It is associated with each color. Note that the phosphor layers 28R, 28G, and 28B of the respective colors are continuous in the extension direction of the address electrode A, but the discharge is local, so that the phosphor layers 28R, 28G, and 28B are local.
It is possible to selectively emit light in a portion corresponding to each unit light emitting region EU in.
【００２３】表示に際しては、書込みアドレス法又は消
去アドレス法により、表示内容に応じて選択した単位発
光領域ＥＵに壁電荷を蓄積させた後、表示電極Ｘ，Ｙに
交互に放電維持電圧パルスを印加する。これにより、壁
電荷を有する単位発光領域ＥＵのみにおいて、パルスを
印加する毎に面放電が生じ、所定色の蛍光体層２８Ｒ，
２８Ｇ，２８Ｂが発光する。このとき、発光させる蛍光
体層２８Ｒ，２８Ｇ，２８Ｂの組み合わせを適宜選定す
ることにより、多色表示を行うことができ、さらに各蛍
光体層２８Ｒ，２８Ｇ，２８Ｂの輝度の階調制御を行う
ことにより、フルカラー表示が可能となる。At the time of display, by using the write address method or the erase address method, wall charges are accumulated in the unit light emitting region EU selected according to the display content, and then a sustaining voltage pulse is alternately applied to the display electrodes X and Y. To do. As a result, only in the unit light-emission region EU having wall charges, surface discharge occurs each time a pulse is applied, and the phosphor layer 28R of a predetermined color,
28G and 28B emit light. At this time, multi-color display can be performed by appropriately selecting the combination of the phosphor layers 28R, 28G, 28B that emit light, and gradation control of the brightness of each phosphor layer 28R, 28G, 28B can be performed. This enables full-color display.
【００２４】さて、図２のように、青色域の表示光を発
する蛍光体層２８Ｂは、個々にＭｇＯ膜８１によって全
表面が被覆された多数の粒状の蛍光物質８０から構成さ
れている。ＭｇＯ膜８１は、厚さが１０００〜２０００
Å程度の薄膜であり、紫外域及び可視域における透光性
を有している。ＭｇＯ膜８１の形成手法としては、蒸着
法、ディップ法、スパッタ法、スプレー法などのマイク
ロカプセル化手法を用いることができる。Now, as shown in FIG. 2, the phosphor layer 28B which emits the display light in the blue region is composed of a large number of granular phosphor substances 80 whose entire surface is individually covered with the MgO film 81. The MgO film 81 has a thickness of 1000 to 2000.
It is a thin film of about Å and has translucency in the ultraviolet and visible regions. As a method for forming the MgO film 81, a microencapsulation method such as a vapor deposition method, a dipping method, a sputtering method, or a spray method can be used.
【００２５】蛍光物質８０は、コルタカウント法による
平均粒径が５．５μｍの３（Ｂａ，Ｍｇ）Ｏ・８Ａｌ2
Ｏ3 ：Ｅｕであり、パウダー状態で紫外線ランプ（波長
２５４ｎｍ）で励起したときの発光色の色度は、ｘ＝
０．１４５，ｙ＝０．０６５である。The fluorescent substance 80 is 3 (Ba, Mg) O.8Al 2 having an average particle size of 5.5 μm measured by the corta counting method.
O 3 : Eu, and the chromaticity of the emission color when excited by an ultraviolet lamp (wavelength 254 nm) in a powder state is x =
0.145 and y = 0.065.
【００２６】本実施例のＰＤＰ１においては、焼成によ
り蛍光体層２８Ｂを形成して完成した時点の初期状態の
青色の色度が、ｘ＝０．１９８，ｙ＝０．１３１であっ
た。これに対して、ＭｇＯ膜８１で被覆されない蛍光物
質８０を用いた従来例においては、初期状態の青色の色
度が、ｘ＝０．２０２，ｙ＝０．１３３であった。つま
り、ＭｇＯ膜８１で被覆することにより、焼成時におけ
る蛍光物質８０の変質を抑えることができた。In the PDP 1 of the present embodiment, the chromaticity of blue in the initial state at the time of completion by forming the phosphor layer 28B by firing was x = 0.198 and y = 0.131. On the other hand, in the conventional example using the fluorescent substance 80 not covered with the MgO film 81, the chromaticity of blue in the initial state was x = 0.202, y = 0.133. That is, by covering with the MgO film 81, the deterioration of the fluorescent material 80 during firing could be suppressed.
【００２７】また、表１に示すように、１０００時間の
連続使用による色度変化についても、従来例と比べて軽
減することができた。Further, as shown in Table 1, the change in chromaticity due to continuous use for 1000 hours could be reduced as compared with the conventional example.
【００２８】[0028]
【表１】 [Table 1]
【００２９】さらに、ＰＤＰ１の青色の単位発光領域Ｅ
Ｕの輝度は、従来例の１．３倍であった。これは、Ｍｇ
Ｏが２次電子放出係数の大きい物質であることから、蛍
光物質８０の近辺で放電が強まり、励起効率が高まった
ものと考えられる。Further, the blue unit light emitting region E of the PDP 1
The brightness of U was 1.3 times that of the conventional example. This is Mg
Since O is a substance having a large secondary electron emission coefficient, it is considered that the discharge was strengthened in the vicinity of the fluorescent substance 80 and the excitation efficiency was increased.
【００３０】上述の実施例においては、青色の蛍光体層
２８ＢがＭｇＯ膜８１で被覆された蛍光物質８０からな
る例を示したが、赤色及び緑色の蛍光体層２８Ｒ，２８
Ｇについても、ＭｇＯ膜８１による色度変化の防止を行
ってもよい。特に緑色の蛍光物質として、ＢａＯ・６Ａ
ｌ2 Ｏ3 ：Ｍｎなどの酸化バリウム系の物質を用いた場
合には効果が大きい。すなわち、ＭｇＯ膜で被覆したＢ
ａＯ・６Ａｌ2 Ｏ3 ：Ｍｎは、パウダー状態での色度が
ｘ＝０．１８６，ｙ＝０．７２１であり、パネルにおけ
る初期状態の色度がｘ＝０．１９２，ｙ＝０．７１３で
ある。これに対して、被覆しない場合は、パウダー状態
での色度がｘ＝０．１８５，ｙ＝０．７２６であり、初
期状態の色度がｘ＝０．１９１，ｙ＝０．７１８であ
る。In the above-mentioned embodiment, the blue phosphor layer 28B is made of the phosphor 80 covered with the MgO film 81, but the red and green phosphor layers 28R, 28 are formed.
With respect to G as well, the MgO film 81 may prevent chromaticity change. Especially as green fluorescent material, BaO.6A
The effect is great when a barium oxide-based substance such as l 2 O 3 : Mn is used. That is, B coated with MgO film
aO.6Al 2 O 3 : Mn has chromaticity in the powder state of x = 0.186, y = 0.721, and chromaticity in the initial state of the panel is x = 0.192, y = 0.713. Is. On the other hand, when not coated, the chromaticity in the powder state is x = 0.185, y = 0.726, and the chromaticity in the initial state is x = 0.191, y = 0.718. .
【００３１】また、被覆酸化物としてＭｇＯを用いれ
ば、上述のように放電特性が向上するので、Ｒ，Ｇ，Ｂ
の各色毎にＭｇＯ膜８１の膜厚を変えることにより、駆
動電圧の下限値を下げ、フルカラー表示の駆動電圧マー
ジンを拡げることができる。Further, if MgO is used as the coating oxide, the discharge characteristics are improved as described above, so R, G, B
By changing the film thickness of the MgO film 81 for each color, the lower limit value of the drive voltage can be lowered and the drive voltage margin of full color display can be expanded.
【００３２】上述の実施例において、蛍光物質８０の組
成及び粒径は、用途に応じて種々選定すればよい。銀ペ
ーストの組成を変更することもできる。ＭｇＯ膜８１に
変えてＳｉＯ2 などの他の酸化膜を設けてもよい。In the above-mentioned embodiment, the composition and particle size of the fluorescent substance 80 may be variously selected according to the application. It is also possible to change the composition of the silver paste. Instead of the MgO film 81, another oxide film such as SiO 2 may be provided.
【００３３】なお、本発明は、銀電極と蛍光体層とが直
に接する構造のＰＤＰであれば、単色又は多色表示を行
う他の各種の構造のＰＤＰに適用可能である。The present invention can be applied to PDPs having various other structures for displaying a single color or multi-colors, as long as the PDP has a structure in which the silver electrode and the phosphor layer are in direct contact with each other.
【００３４】[0034]
【発明の効果】請求項１及び請求項２の発明によれば、
表示の色度変化を抑えることができる。特に請求項２の
発明によれば、輝度を高めることができ、電圧マージン
を拡げて駆動を容易化することもできる。According to the inventions of claim 1 and claim 2,
The change in chromaticity of display can be suppressed. In particular, according to the second aspect of the invention, the brightness can be increased, the voltage margin can be expanded, and the driving can be facilitated.
【図１】本発明に係るＰＤＰの分解斜視図である。FIG. 1 is an exploded perspective view of a PDP according to the present invention.
【図２】蛍光体層の構造を模式的に示す拡大断面図であ
る。FIG. 2 is an enlarged sectional view schematically showing the structure of a phosphor layer.
１ ＰＤＰ（面放電型プラズマディスプレイパネル） ２８Ｂ 蛍光体層 ８０ 蛍光物質 ８１ ＭｇＯ膜（透光性酸化膜） Ａ アドレス電極（銀電極） 1 PDP (Surface Discharge Plasma Display Panel) 28B Phosphor Layer 80 Phosphor Substance 81 MgO Film (Translucent Oxide Film) A Address Electrode (Silver Electrode)
Claims (2)
下に銀電極を有した面放電型プラズマディスプレイパネ
ルであって、 前記蛍光体層が、個々に透光性酸化膜で被覆された多数
の粒子状蛍光物質からなることを特徴とする面放電型プ
ラズマディスプレイパネル。1. A surface discharge type plasma display panel having a silver electrode immediately below a phosphor layer which emits light when excited by ultraviolet rays, wherein the phosphor layer is individually coated with a transparent oxide film. A surface discharge type plasma display panel comprising a particulate fluorescent material.
下に銀電極を有した面放電型プラズマディスプレイパネ
ルであって、 前記蛍光体層が、個々に酸化マグネシウム膜で被覆され
た多数の粒子状蛍光物質からなることを特徴とする面放
電型プラズマディスプレイパネル。2. A surface discharge type plasma display panel having a silver electrode directly below a phosphor layer which emits light when excited by ultraviolet rays, wherein the phosphor layer is formed of a large number of particles individually coated with a magnesium oxide film. A surface discharge type plasma display panel comprising a fluorescent substance.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6163522A JPH0831325A (en) | 1994-07-15 | 1994-07-15 | Surface discharge type plasma display panel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6163522A JPH0831325A (en) | 1994-07-15 | 1994-07-15 | Surface discharge type plasma display panel |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0831325A true JPH0831325A (en) | 1996-02-02 |
Family
ID=15775475
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP6163522A Pending JPH0831325A (en) | 1994-07-15 | 1994-07-15 | Surface discharge type plasma display panel |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0831325A (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH10125240A (en) * | 1996-08-29 | 1998-05-15 | Matsushita Electric Ind Co Ltd | Plasma display panel, and manufacture of phosphor for plasma display panel |
| JP2000087030A (en) * | 1998-09-11 | 2000-03-28 | Matsushita Electric Ind Co Ltd | Phosphor for plasma display panel and phosphor ink |
| JP2002038146A (en) * | 2001-05-18 | 2002-02-06 | Matsushita Electric Ind Co Ltd | Fluorescent substance for ink jet method and fluorescent substance ink |
| JP2003092086A (en) * | 2001-09-19 | 2003-03-28 | Nec Lighting Ltd | Rare gas discharge lamp, its manufacturing method and material for forming phosphor film |
| KR100480750B1 (en) * | 1998-07-20 | 2005-07-12 | 삼성에스디아이 주식회사 | Surface treatment phosphor and its manufacturing method and fluorescent layer formation method of plasma display panel using the same |
| US7468145B2 (en) | 2002-10-07 | 2008-12-23 | Panasonic Corporation | Phosphor and treatment method for the same |
-
1994
- 1994-07-15 JP JP6163522A patent/JPH0831325A/en active Pending
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH10125240A (en) * | 1996-08-29 | 1998-05-15 | Matsushita Electric Ind Co Ltd | Plasma display panel, and manufacture of phosphor for plasma display panel |
| KR100480750B1 (en) * | 1998-07-20 | 2005-07-12 | 삼성에스디아이 주식회사 | Surface treatment phosphor and its manufacturing method and fluorescent layer formation method of plasma display panel using the same |
| JP2000087030A (en) * | 1998-09-11 | 2000-03-28 | Matsushita Electric Ind Co Ltd | Phosphor for plasma display panel and phosphor ink |
| JP2002038146A (en) * | 2001-05-18 | 2002-02-06 | Matsushita Electric Ind Co Ltd | Fluorescent substance for ink jet method and fluorescent substance ink |
| JP2003092086A (en) * | 2001-09-19 | 2003-03-28 | Nec Lighting Ltd | Rare gas discharge lamp, its manufacturing method and material for forming phosphor film |
| US7468145B2 (en) | 2002-10-07 | 2008-12-23 | Panasonic Corporation | Phosphor and treatment method for the same |
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