JP2006318854A - Manufacturing method of plasma display panel - Google Patents
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本発明は、プラズマディスプレイパネルの製造方法に関し、特に大版の基板ガラスから複数枚のガラス基板を多面取りする製造方法に関する。 The present invention relates to a method for manufacturing a plasma display panel, and more particularly to a method for manufacturing a plurality of glass substrates from a large-sized substrate glass.
液晶パネルに比べて高速表示が可能であり、かつ大型化が容易であることから高品位テレビジョン画像を大画面で表示することができるディスプレイ装置として、希ガス放電による紫外線で蛍光体を励起発光させて画像を表示させるプラズマディスプレイパネル（以下、「ＰＤＰ」と記載する）を使用したカラーテレビジョン受信機などの表示装置への期待が高まっている。ＰＤＰはハイビジョン用の大画面表示デバイスとして注目され、そのために高精細化および高輝度化などの表示品質の向上、信頼性の向上と低コスト化を実現する開発が盛んである。 As a display device that can display high-definition television images on a large screen because it can display at high speed compared to a liquid crystal panel and is easy to increase in size, it emits light by exciting phosphors with ultraviolet light from rare gas discharge. Accordingly, there is an increasing expectation for a display device such as a color television receiver using a plasma display panel (hereinafter referred to as “PDP”) that displays an image. PDPs are attracting attention as large-screen display devices for high-definition television, and for this purpose, developments are being actively made to improve display quality, such as higher definition and higher brightness, higher reliability, and lower costs.
ＰＤＰはガラス基板などより構成された前面板と背面板とを対向配置して気密封着し、内部に放電空間を形成して放電空間内に放電ガスを封入している。また、このような構成のＰＤＰは、前面板と背面板とを気密封着した後に、放電空間を一度排気し、その空間に放電ガスを封入するための排気管が設けられている。従来、ＰＤＰを製造する際の背面板のガラス基板としては、図５に示すような単板のサイズに切断加工された、隅部５０に排気管配設用の貫通口５１を設けたガラス基板５２を用い、さらに、排気工程と封着工程とを同時に行う例などが開示されている（例えば、特許文献１参照）。
ＰＤＰの生産効率を高め製造コストを削減するためには、所定サイズのガラス基板が複数枚含まれる１枚の大版の基板ガラスを用いてＰＤＰの構成物を形成し、その後で、所定サイズのガラス基板に切断する、いわゆる多面取り工法が有用である。 In order to increase the production efficiency of PDP and reduce the manufacturing cost, a PDP component is formed using a single large-sized substrate glass including a plurality of glass substrates of a predetermined size, and then a predetermined size of the glass substrate is formed. A so-called multi-sided method of cutting into a glass substrate is useful.
しかしながら、このような多面取り工法を適用する場合には、排気管を設ける貫通口の配置が重要である。貫通口は大版の基板ガラスに予め加工しておく必要がある。そのために大版の基板ガラス内での配置位置によっては、基板ガラスの割れや破損を生じ、歩留まりを低下させるという課題を生じる。 However, in the case of applying such a multi-face machining method, it is important to arrange the through holes provided with the exhaust pipe. The through-hole needs to be processed in advance on a large substrate glass. Therefore, depending on the position of the large-sized substrate glass, the substrate glass is cracked or broken, which causes a problem that the yield is lowered.
本発明は、上記課題に鑑み、安価な設備でかつ基板ガラスの割れや破損のない、多面取りが容易なＰＤＰの製造方法を提供することを目的とする。 In view of the above problems, an object of the present invention is to provide a method for manufacturing a PDP that is inexpensive and does not break or break the substrate glass and that can be easily multi-faced.
上記目的を実現するために、本発明のＰＤＰの製造方法は、一対のガラス基板を対向配置して放電空間を形成し、少なくとも一方のガラス基板の隅部に放電空間に放電ガスを封入する貫通口を設けたＰＤＰの製造方法であって、少なくとも複数枚のガラス基板に割断可能な１枚の基板ガラスを準備する工程と、基板ガラスにＰＤＰの構成物を形成する工程とを含み、それぞれのガラス基板の貫通口を基板ガラスの外周に設けている。 In order to achieve the above object, a method of manufacturing a PDP according to the present invention includes a pair of glass substrates arranged to face each other to form a discharge space, and a discharge gas is sealed in the discharge space at the corner of at least one glass substrate. A method of manufacturing a PDP provided with a mouth, comprising a step of preparing a single substrate glass that can be cut into at least a plurality of glass substrates, and a step of forming a PDP component on the substrate glass, A through hole of the glass substrate is provided on the outer periphery of the substrate glass.
このような構成によれば、簡単な構成の加工治具によって貫通口の加工が容易にできて基板ガラスの割れや破損を防止し、高い歩留まりで多面取り工法を実現することができる。 According to such a configuration, it is possible to easily process the through-hole with a processing jig having a simple configuration, to prevent breakage and breakage of the substrate glass, and to realize a multi-surface machining method with a high yield.
さらに、１枚の基板ガラスにはガラス基板が２列で配列されることが望ましく、このような構成によれば、ガラス基板に設ける貫通口を全て基板ガラスの外周に設けることができて、貫通口の加工が容易にできて基板ガラスの割れや破損を防止することができる。 Furthermore, it is desirable that the glass substrates are arranged in two rows on one substrate glass. According to such a configuration, all through holes provided in the glass substrate can be provided on the outer periphery of the substrate glass, The mouth can be easily processed to prevent breakage and breakage of the substrate glass.
さらに、２列に配列したガラス基板のうちの同じ行に配列したガラス基板には、対角線上に貫通口を設けることが望ましく、このような構成によれば、貫通口の加工が容易であるのに加えて、後工程での構成物の加工が容易となるものである。 Furthermore, it is desirable that the glass substrate arranged in the same row among the glass substrates arranged in two columns is provided with a through hole on a diagonal line, and according to such a configuration, the processing of the through hole is easy. In addition to this, it is easy to process the components in the subsequent process.
本発明のＰＤＰの製造方法によれば、基板ガラスの割れや破損を防止し、高い歩留まりで多面取り工法を実現することができる。 According to the method for producing a PDP of the present invention, it is possible to prevent the substrate glass from being cracked or broken, and to realize a multi-surface machining method with a high yield.
以下、本発明の実施の形態におけるＰＤＰの製造方法について図面を用いて説明する。 Hereinafter, a method for manufacturing a PDP according to an embodiment of the present invention will be described with reference to the drawings.
（実施の形態）
図１は本発明の実施の形態におけるＰＤＰの製造方法によるＰＤＰの構造を示す斜視図であり、図２は同ＰＤＰの要部構成を示す斜視図である。
(Embodiment)
FIG. 1 is a perspective view showing a structure of a PDP according to a method for manufacturing a PDP in an embodiment of the present invention, and FIG. 2 is a perspective view showing a main part configuration of the PDP.
図１に示すように、ＰＤＰは前面板５と背面板１０とにより構成されている。前面板５は、ガラス基板１の片面にストライプ状に形成された表示電極対２と、表示電極対２を覆う誘電体膜３と、誘電体膜３上に設けた保護膜４とを備えている。背面板１０は、ガラス基板６の片面にストライプ状に形成されたデータ電極７と、データ電極７を覆う下地誘電体膜８と、下地誘電体膜８上に設けた放電空間を区画するストライプ状の隔壁９と、隔壁９間の溝に塗布された蛍光体膜１１とを備えている。前面板５と背面板１０とを表示電極対２とデータ電極７とが対向するように配置し、隔壁９によって形成される放電空間には放電ガス（Ｎｅ−Ｘｅ系ガスやＨｅ−Ｘｅ系ガス）が充填されている。表示電極対２とデータ電極７とが交差してその交差部が放電セルになる。つまり、放電セルはマトリクス状に配列され、赤色、緑色、青色の蛍光体膜１１を有する放電セルがカラー表示のための画素になる。 As shown in FIG. 1, the PDP is composed of a front plate 5 and a back plate 10. The front plate 5 includes a display electrode pair 2 formed in a stripe shape on one surface of the glass substrate 1, a dielectric film 3 covering the display electrode pair 2, and a protective film 4 provided on the dielectric film 3. Yes. The back plate 10 has a stripe shape that partitions a data electrode 7 formed in a stripe shape on one side of the glass substrate 6, a base dielectric film 8 that covers the data electrode 7, and a discharge space provided on the base dielectric film 8. Partition wall 9 and a phosphor film 11 applied to the groove between the partition walls 9. The front plate 5 and the back plate 10 are arranged so that the display electrode pair 2 and the data electrode 7 face each other, and a discharge gas (Ne—Xe gas or He—Xe gas) is formed in the discharge space formed by the barrier ribs 9. ) Is filled. The display electrode pair 2 and the data electrode 7 intersect with each other to form a discharge cell. That is, the discharge cells are arranged in a matrix, and the discharge cells having the red, green, and blue phosphor films 11 become pixels for color display.
ＰＤＰは、維持放電期間において表示電極対２間にパルス電圧を印加して放電を発生させ、この放電によって発生した紫外線で蛍光体膜１１の蛍光体を励起して可視光に変換し、この可視光が保護膜４、誘電体膜３などを透過することにより画像または映像を表示している。 The PDP generates a discharge by applying a pulse voltage between the display electrode pair 2 during the sustain discharge period, and excites the phosphor of the phosphor film 11 with ultraviolet rays generated by the discharge to convert it into visible light. Light or light passes through the protective film 4 and the dielectric film 3 to display an image or video.
図２に示すように、前面板５と背面板１０とは、その外周端縁部が低融点ガラスなどからなる封着部材１５（フリットガラスとも呼ぶ）により封着されている。また、隔壁９によって形成される放電空間と連通させて背面板１０のガラス基板６の隅部には貫通口２１が設けられ、貫通口２１には排気管１６が接続されて封止されている。したがって、放電空間内部を排気管１６によって真空排気をし、その後、排気管１６から放電ガスを封入して最後に排気管１６をチップオフしている。 As shown in FIG. 2, the front plate 5 and the back plate 10 are sealed by a sealing member 15 (also referred to as frit glass) whose outer peripheral edge is made of low melting glass or the like. Further, a through-hole 21 is provided at the corner of the glass substrate 6 of the back plate 10 so as to communicate with the discharge space formed by the barrier ribs 9, and the exhaust pipe 16 is connected to the through-hole 21 and sealed. . Therefore, the inside of the discharge space is evacuated by the exhaust pipe 16, and then the discharge gas is sealed from the exhaust pipe 16 and finally the exhaust pipe 16 is chipped off.
なお、本実施の形態で用いる背面板１０を構成するガラス基板６は、図５で述べたガラス基板５２と同じであり、ガラス基板６（５２）の隅部に貫通口２１（５１）が形成されている。また、これらのガラス基板６は、例えば対角４２インチサイズのＰＤＰの場合には１０００ｍｍ×５５０ｍｍ程度の寸法を有し、厚さが約３ｍｍの高歪点ガラスなどである。貫通口２１が形成されたガラス基板６は、ＰＤＰとして必要な電極、誘電体膜、隔壁、蛍光体膜などの構成物がそれぞれ形成されている。本発明の実施の形態では、これらの所定サイズの背面板１０は、複数枚のガラス基板６に割断可能な１枚の大版の基板ガラスを用い、その基板ガラス上にＰＤＰ構成物を形成した後、所定サイズのガラス基板に割断して複数枚の背面板を得ることができる、多面取り工法によって製造している。 The glass substrate 6 constituting the back plate 10 used in the present embodiment is the same as the glass substrate 52 described in FIG. 5, and the through-hole 21 (51) is formed at the corner of the glass substrate 6 (52). Has been. Further, these glass substrates 6 are, for example, a high strain point glass having a size of about 1000 mm × 550 mm and a thickness of about 3 mm in the case of a 42 inch diagonal PDP. The glass substrate 6 in which the through-holes 21 are formed is formed with components such as electrodes, dielectric films, barrier ribs, and phosphor films necessary for the PDP. In the embodiment of the present invention, the large-size substrate glass that can be cut into a plurality of glass substrates 6 is used as the back plate 10 of these predetermined sizes, and a PDP component is formed on the substrate glass. Then, it is manufactured by a multi-sided construction method that can be cut into a glass substrate of a predetermined size to obtain a plurality of back plates.
図３は、本発明の実施の形態におけるＰＤＰの製造方法による多面取り工法のガラス基板６の配置を示す図である。１枚の基板ガラス３０を割断線３１、３２に沿って割断することによって、ガラス基板６が６枚取得可能な構成とし、ガラス基板６が縦（行）方向に３枚、横（列）方向に２枚配置されるようにしている。さらに、図３に示すように、それぞれのガラス基板６の隅部に設けられた貫通口２１が、基板ガラス３０の外周に設けられている。なお、割断は、ＰＤＰを構成する各要素の製造工程で、例えば印刷後、または、乾燥後や焼成後などのいずれの工程でもよい。 FIG. 3 is a diagram showing the arrangement of the glass substrates 6 in the multi-face machining method according to the PDP manufacturing method in the embodiment of the present invention. By cutting one substrate glass 30 along the cutting lines 31 and 32, six glass substrates 6 can be obtained, and three glass substrates 6 in the vertical (row) direction and in the horizontal (column) direction. Are arranged in two. Further, as shown in FIG. 3, through-holes 21 provided at the corners of the respective glass substrates 6 are provided on the outer periphery of the substrate glass 30. The cleaving is a manufacturing process of each element constituting the PDP, and may be any process such as after printing or after drying or baking.
一方、図４は多面取り工法におけるガラス基板の配置の別の例を示す図であり、１枚の基板ガラス４０を割断線４１、４２に沿って割断することによって、ガラス基板４３が６枚取得可能な構成として、ガラス基板４３が縦（行）方向に３枚、横（列）方向に２枚配置されるようにしている。しかしながら、図４においては、ガラス基板６の隅部に設けられた貫通口２１が、基板ガラス４０の外周に設けられている。基板ガラス４０に設けられてそれぞれのガラス基板４３ａ、４３ｂ、４３ｃ、４３ｄに対応する貫通口４４ａ、４４ｂ、４４ｃ、４４ｄは基板ガラス４０の外周に設けられているが、ガラス基板４３ｅ、４３ｆに対応する貫通口４４ｅ、４４ｆは基板ガラス４０の内部領域に位置する構成となっている。したがって、貫通口４４ｅ、４４ｆの基板ガラス４０の端面からの距離Ｂ、Ｃは、貫通口４４ａ、４４ｂ、４４ｃ、４４ｄから基板ガラス４０の端面までの距離Ａ、Ｄに比べてはるかに大きな距離となる。 On the other hand, FIG. 4 is a diagram showing another example of the arrangement of the glass substrates in the multi-face machining method. By dividing one substrate glass 40 along the cutting lines 41 and 42, six glass substrates 43 are obtained. As a possible configuration, three glass substrates 43 are arranged in the vertical (row) direction and two in the horizontal (column) direction. However, in FIG. 4, the through holes 21 provided at the corners of the glass substrate 6 are provided on the outer periphery of the substrate glass 40. The through holes 44a, 44b, 44c, 44d provided on the substrate glass 40 and corresponding to the glass substrates 43a, 43b, 43c, 43d are provided on the outer periphery of the substrate glass 40, but correspond to the glass substrates 43e, 43f. The through-holes 44e and 44f are positioned in the inner region of the substrate glass 40. Therefore, the distances B and C of the through holes 44e and 44f from the end surface of the substrate glass 40 are much larger than the distances A and D from the through holes 44a, 44b, 44c and 44d to the end surface of the substrate glass 40. Become.
すなわち、このようにガラス基板を配置する場合には、貫通口４４ｅ、４４ｆの距離Ｂ、Ｃは、図５の単板ガラス基板５２の端部と貫通口５１との距離Ａよりも長くなる。そのため、従来の工作機器および治具では、貫通口の穴加工が困難となり、新規の設備投資などの必要性から製造コストが高くなる。製造工程上、基板ガラスの内部領域に被加工部が存在すると、少しの基板ガラスの撓みでもガラスの割れや破損が発生しやすくなる。さらに、焼成工程を経た後に所定サイズのガラス基板に割断するような場合には、基板ガラスの中央部近くに存在する貫通口によって焼成工程での加熱による熱歪が影響して、ガラスの割れが発生しやすくなる。 That is, when the glass substrate is arranged in this way, the distances B and C of the through holes 44e and 44f are longer than the distance A between the end portion of the single glass substrate 52 and the through hole 51 of FIG. For this reason, with conventional machine tools and jigs, it is difficult to drill holes in the through holes, and the manufacturing cost increases due to the need for new capital investment. In the manufacturing process, if a processed part exists in the inner region of the substrate glass, the glass is easily broken or broken even if the substrate glass is slightly bent. Furthermore, in the case of cleaving into a glass substrate of a predetermined size after passing through the firing process, thermal strain due to heating in the firing process is affected by the through-hole present near the center of the substrate glass, and the glass cracks. It tends to occur.
一方、本発明の実施の形態におけるＰＤＰの製造方法による図３に示す多面取り工法のガラス基板の配置では、基板ガラスの端部と貫通口との距離Ａが従来の図５の単板ガラス基板の端部と貫通口との距離Ａと同じとすることができる。このため、従来の工作機器および治具で加工が可能となり、貫通口の加工工数が増加しても治具の共用化や標準化や装置の単純化、簡素化が可能となる。また、加工部が基板ガラスの周囲に分散するため、ガラスの撓みのない周辺部分でガラスの割れも発生し難い。また、基板ガラス上でＰＤＰの構成要素を焼成工程まで行う製造方法としても、加熱による熱歪などの影響がなくガラスの割れも発生し難い。 On the other hand, in the arrangement of the glass substrate of the multi-sided construction method shown in FIG. 3 according to the method for manufacturing the PDP in the embodiment of the present invention, the distance A between the end portion of the substrate glass and the through-hole is the same as that of the conventional single plate glass substrate of FIG. The distance A can be the same as the distance A between the end and the through hole. For this reason, it is possible to perform processing with a conventional machine tool and jig, and even if the number of through holes is increased, the jig can be shared and standardized, and the apparatus can be simplified and simplified. Further, since the processed portion is dispersed around the substrate glass, the glass is hardly broken at the peripheral portion where the glass is not bent. Moreover, even if it is a manufacturing method which performs the component of PDP on a board | substrate glass to a baking process, there is no influence of the heat distortion etc. by heating and it is hard to generate | occur | produce a glass crack.
さらに図３に示す本発明の実施の形態においては、基板ガラス３０にガラス基板６を２列で配列している。そのため、全ての貫通口２１を基板ガラス３０の外周に設けることがきるため、前述と同一効果が得られる。 Further, in the embodiment of the present invention shown in FIG. 3, the glass substrates 6 are arranged in two rows on the substrate glass 30. Therefore, since all the through holes 21 can be provided on the outer periphery of the substrate glass 30, the same effect as described above can be obtained.
さらに図３に示す本発明の実施の形態においては、基板ガラス３０にガラス基板６を２列で配列し、さらに同じ行に配列されたガラス基板６の貫通口２１が対角線上に配置されるように構成している。そのため、割断した後の後加工が、ガラス基板６を１８０度回転するだけで同様に処理加工でき、ＰＤＰ製造のタクトを向上させることができる。 Further, in the embodiment of the present invention shown in FIG. 3, the glass substrates 6 are arranged in two columns on the substrate glass 30, and the through holes 21 of the glass substrates 6 arranged in the same row are arranged diagonally. It is configured. Therefore, the post-processing after cleaving can be similarly processed only by rotating the glass substrate 6 by 180 degrees, and the tact of PDP production can be improved.
なお、以上の説明では、６枚のガラス基板を１枚の基板ガラスから取得する例について述べたが、その枚数が偶数枚で、さらに、ガラス基板の同一辺側に２個以上の貫通口を有する構成であっても同様の効果を発現する。 In the above description, an example in which six glass substrates are obtained from one substrate glass is described. However, the number is an even number, and two or more through holes are provided on the same side of the glass substrate. Even if it has composition, the same effect is expressed.
また、上記実施の形態では、背面板のガラス基板に貫通口を設けた例について述べたが、前面板のガラス基板に貫通口を設けた場合や、両方に設けた場合などについても適用可能である。 In the above embodiment, an example in which a through-hole is provided in the glass substrate of the back plate has been described. is there.
本発明のＰＤＰの製造方法は、多面取りする基板ガラスに貫通口を外周部に設けることにより、貫通口の穴加工を容易にし、ガラスの割れを防止できるために、２枚以上の複数枚の多面取りがしやすく、低コスト化が可能となる基板ガラスを安価に得ることができるＰＤＰの製造方法である。 In the method of manufacturing the PDP of the present invention, by providing a through-hole in the outer peripheral portion of the multi-chamfered substrate glass, hole processing of the through-hole can be facilitated and glass breakage can be prevented. This is a method for manufacturing a PDP that can easily obtain a substrate glass that can be multi-faced and can be reduced in cost.
１，６，４３，４３ａ，４３ｂ，４３ｃ，４３ｄ，４３ｅ，４３ｆ，５２ ガラス基板
２ 表示電極対
３ 誘電体膜
４ 保護膜
５ 前面板
７ データ電極
８ 下地誘電体膜
９ 隔壁
１０ 背面板
１１ 蛍光体膜
１５ 封着部材
１６ 排気管
２１，４４ａ，４４ｂ，４４ｃ，４４ｄ，４４ｅ，４４ｆ，５１ 貫通口
３０，４０ 基板ガラス
３１，３２，４１，４２ 割断線
５０ 隅部
1, 6, 43, 43a, 43b, 43c, 43d, 43e, 43f, 52 Glass substrate 2 Display electrode pair 3 Dielectric film 4 Protective film 5 Front plate 7 Data electrode 8 Base dielectric film 9 Partition 10 Back plate 11 Fluorescence Body membrane 15 Sealing member 16 Exhaust pipe 21, 44a, 44b, 44c, 44d, 44e, 44f, 51 Through hole 30, 40 Substrate glass 31, 32, 41, 42 Break line 50 Corner
Claims (3)
少なくとも複数枚の前記ガラス基板に割断可能な１枚の基板ガラスを準備する工程と、前記基板ガラスに前記プラズマディスプレイパネルの構成物を形成する工程とを含み、それぞれの前記ガラス基板の前記貫通口を前記基板ガラスの外周に設けたことを特徴とするプラズマディスプレイパネルの製造方法。 A method for producing a plasma display panel, wherein a pair of glass substrates are arranged opposite to each other to form a discharge space, and a through-hole for sealing discharge gas in the discharge space is provided at a corner of at least one of the glass substrates,
Including a step of preparing one substrate glass that can be cleaved into at least a plurality of the glass substrates, and a step of forming a component of the plasma display panel on the substrate glass, and the through holes of the respective glass substrates Is provided on the outer periphery of the substrate glass.
Priority Applications (6)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2005142665A JP4412230B2 (en) | 2005-05-16 | 2005-05-16 | Method for manufacturing plasma display panel |
| KR1020087030435A KR100922023B1 (en) | 2005-05-16 | 2006-05-12 | Plasma display panel |
| US10/592,706 US7601044B2 (en) | 2005-05-16 | 2006-05-12 | Method of manufacturing plural plasma display panels incorporating through ports at peripheral corners of each manufactured display |
| KR1020067026393A KR20070088311A (en) | 2005-05-16 | 2006-05-12 | Method for manufacturing plasma display panel |
| PCT/JP2006/309580 WO2006123587A1 (en) | 2005-05-16 | 2006-05-12 | Method for manufacturing plasma display panel |
| CN200680000210.4A CN101019202B (en) | 2005-05-16 | 2006-05-12 | Plasma display panel manufacture method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2005142665A JP4412230B2 (en) | 2005-05-16 | 2005-05-16 | Method for manufacturing plasma display panel |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JP2006318854A true JP2006318854A (en) | 2006-11-24 |
| JP4412230B2 JP4412230B2 (en) | 2010-02-10 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2007141655A (en) * | 2005-11-18 | 2007-06-07 | Matsushita Electric Ind Co Ltd | Manufacturing method of display panel |
| JP2009146685A (en) * | 2007-12-13 | 2009-07-02 | Panasonic Corp | Inspection device and inspection method for plasma display panel |
| JP2009146683A (en) * | 2007-12-13 | 2009-07-02 | Panasonic Corp | Manufacturing method of plasma display panel |
-
2005
- 2005-05-16 JP JP2005142665A patent/JP4412230B2/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2007141655A (en) * | 2005-11-18 | 2007-06-07 | Matsushita Electric Ind Co Ltd | Manufacturing method of display panel |
| JP2009146685A (en) * | 2007-12-13 | 2009-07-02 | Panasonic Corp | Inspection device and inspection method for plasma display panel |
| JP2009146683A (en) * | 2007-12-13 | 2009-07-02 | Panasonic Corp | Manufacturing method of plasma display panel |
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| JP4412230B2 (en) | 2010-02-10 |
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