JPH02181348A - Planar display apparatus - Google Patents

Planar display apparatus

Info

Publication number
JPH02181348A
JPH02181348A JP33320588A JP33320588A JPH02181348A JP H02181348 A JPH02181348 A JP H02181348A JP 33320588 A JP33320588 A JP 33320588A JP 33320588 A JP33320588 A JP 33320588A JP H02181348 A JPH02181348 A JP H02181348A
Authority
JP
Japan
Prior art keywords
frit glass
vacuum exhaust
crystalline frit
crystalline
vacuum
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.)
Pending
Application number
JP33320588A
Other languages
Japanese (ja)
Inventor
Hirobumi Naganobu
永延 博文
Takashi Kanehisa
兼久 孝
Toshinobu Yokoyama
横山 敏信
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.)
Panasonic Holdings Corp
Original Assignee
Matsushita Electric Industrial 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 Matsushita Electric Industrial Co Ltd filed Critical Matsushita Electric Industrial Co Ltd
Priority to JP33320588A priority Critical patent/JPH02181348A/en
Publication of JPH02181348A publication Critical patent/JPH02181348A/en
Pending legal-status Critical Current

Links

Landscapes

  • Vessels, Lead-In Wires, Accessory Apparatuses For Cathode-Ray Tubes (AREA)
  • Cathode-Ray Tubes And Fluorescent Screens For Display (AREA)

Abstract

PURPOSE:To prevent any breakage of a vacuum exhaust tube and deterioration of degree of vacuum of a finished product by providing a crystalline frit glass for fixing the vacuum exhaust tube in a hole bored in the side face of a glass container and a non-crystalline frit glass for covering the crystalline frit glass. CONSTITUTION:A non-crystalline frit glass 6 is such provided as to cover a crystalline frit glass 5. Even if microcracks are generated in the crystalline frit glass 5 caused by thermal ununiformity of a planar display 13 together with temperature elevation of a baking device 12, local heating of the crystalline frit glass 5 due to heat of an electric power sealing heater 3, temperature ununiformity of a vacuum exhaust tube 7 due to the heater 3 or the like, the microcracks can be embedded because of the non-crystalline frit glass 6 having such a property as to soften at a temperature loaded in a manufacturing process even after hardening. Therefore, any breakage of the vacuum exhaust tube 7 and deterioration of degree of vacuum of a finished product can be prevented.

Description

【発明の詳細な説明】 産業上の利用分野 本発明は映像機器分野に於ける平面型表示装置に関する
ものである。
DETAILED DESCRIPTION OF THE INVENTION Field of Industrial Application The present invention relates to a flat display device in the field of video equipment.

従来の技術 従来、カラーテレビジョン画像表示用の表示素子として
は、ブラウン管が主として用いられているが、従来のブ
ラウン管では画面に比して奥行きが非常に長く薄型のテ
レビジョン受像機を製作することは不可能であった。ま
た平面状の表示素子としては最近EL表示素子、プラズ
マ表示装置、液晶表示素子等が開発されているが、いず
れも輝度、コントラスト、カラー表示の色再現性等の性
能の面で不十分であり、実用化されるに至っていない。
Conventional technology Traditionally, cathode ray tubes have been mainly used as display elements for displaying color television images, but conventional cathode ray tubes have a much longer depth than the screen, making it difficult to manufacture thin television receivers. was impossible. In addition, as flat display elements, EL display elements, plasma display devices, liquid crystal display elements, etc. have been recently developed, but all of them are insufficient in terms of performance such as brightness, contrast, and color reproducibility of color display. , it has not yet been put into practical use.

そこで、電子ビームを用いて平板状の表示装置を達成す
るものとして、次のような表示装置が開発されている。
Therefore, the following display devices have been developed to achieve flat display devices using electron beams.

これは、スクリーン上の画面を垂直方向に複数の区分に
分割してそれぞれの区分毎に電子ビームを垂直方向に偏
向して複数のラインを表示し、さらに、水平方向に複数
の区分に分割して各区分毎にR,G、B等の蛍光体を順
次発光させるようにし、そのR,G、B等の発光体への
電子ビームの照射量をカラー映像信号によって制御する
ようにして全体としてテレビジョン画像を表示するもの
であって、平面型表示装置と称されている。
This involves dividing the screen into multiple sections vertically, deflecting the electron beam vertically in each section to display multiple lines, and then dividing the screen into multiple sections horizontally. The R, G, B, etc. phosphors are made to emit light sequentially in each section, and the amount of electron beam irradiation to the R, G, B, etc. phosphors is controlled by the color video signal. It displays television images and is called a flat display device.

第3図は、従来の平面型表示装置とその製造装置の部分
断面図であり、真空排気装置の排気孔2LOリング22
、電気封止ヒーター装置23を備えたベーキング装置3
0が用いられている。ガラス容器24に結晶質フリット
ガラス25で、接合された真空排気管26を持つ平面型
表示装置31の真空排気管26を前記電気封止ヒーター
装置23に挿入し、真空排気管26の先端を前記Oリン
グ22を介して排気孔21に接続し、ベーキング装置3
0の内部温度を上昇させながら平面型表示袋fi!Pの
内部を真空にする。また、設定された真空に達すると前
記電気封止ヒーター装置23のヒーター23aに電圧を
徐々に印加しながら、真空排気管26に対し加熱・溶解
・封止・徐冷を加え、そして、上記一連の工程終了後封
止部27で切断するものである。
FIG. 3 is a partial cross-sectional view of a conventional flat display device and its manufacturing equipment, and shows an exhaust hole 2LO ring 22 of a vacuum exhaust device.
, a baking device 3 equipped with an electrically sealed heater device 23
0 is used. The vacuum exhaust pipe 26 of the flat display device 31 having the vacuum exhaust pipe 26 bonded to the glass container 24 with the crystal frit glass 25 is inserted into the electrically sealed heater device 23, and the tip of the vacuum exhaust pipe 26 is inserted into the electrically sealed heater device 23. Connect to the exhaust hole 21 via the O-ring 22 and connect it to the baking device 3.
Flat display bag fi while increasing the internal temperature of 0! Make the inside of P a vacuum. When the set vacuum is reached, the vacuum exhaust pipe 26 is heated, melted, sealed, and slowly cooled while gradually applying voltage to the heater 23a of the electrically sealed heater device 23, and then the above-mentioned series of steps are performed. After the process is completed, it is cut at the sealing part 27.

発明が解決しようとする課題 しかしながら上記のような構成では、結晶質フリットガ
ラス25は一度硬化すれば、製造工程で負荷する温度で
は軟化・溶解しない特性があり、ベーキング装置30の
温度上昇に伴う平面型表示装置31の熱不均−1電気封
止ヒーター装置23のヒーター熱による結晶質フリット
ガラス25の表面局部加熱、電気封止ヒーター装置23
による真空排気管26の加熱温度不均一等により結晶質
ブリットガラス25にマイクロクラックが発生し、真空
排気管折れが起きると共に、完成品の真空度が低下する
課題を有していた。
Problems to be Solved by the Invention However, in the above configuration, once the crystalline frit glass 25 is hardened, it has a characteristic that it does not soften or melt at the temperature applied in the manufacturing process. Thermal non-uniformity of the mold display device 31 - 1 Local heating of the surface of the crystalline frit glass 25 by the heater heat of the electrically sealed heater device 23, the electrically sealed heater device 23
Microcracks occur in the crystalline bullet glass 25 due to uneven heating temperature of the evacuation tube 26 due to the heating, which causes the evacuation tube to break and reduces the degree of vacuum of the finished product.

また、結晶質フリットガラス25は、収縮性が強(結晶
質フリットガラス25の表面と真空排気管26の表面と
の境界面が鋭角になっている時など、真空排気装置の真
空引き時の振動、ベーキング装置30の温度上昇時の熱
応力等により真空排気管折れが起きる課題も有していた
In addition, the crystalline frit glass 25 has strong shrinkage (such as when the interface between the surface of the crystalline frit glass 25 and the surface of the evacuation tube 26 is at an acute angle, vibrations occur during evacuation of the evacuation device). However, there was also the problem that the evacuation pipe could be bent due to thermal stress or the like when the temperature of the baking device 30 rose.

本発明は上記問題点に鑑み、結晶質フリットガラスのマ
イクロクラック発生や、真空排気管折れ・完成品の真空
度低下を無(す構成とし、信頼性の高い平面型表示装置
を提供するものである。
In view of the above-mentioned problems, the present invention provides a highly reliable flat display device with a structure that eliminates the occurrence of microcracks in crystalline frit glass, bending of vacuum exhaust tubes, and deterioration of the degree of vacuum in the finished product. be.

また、フリットガラスの表面と真空排気管の表面との境
界面に振動・応力等による、力の集中を防止する構成に
し、真空排気管折れが減少する平面型表示装置を提供す
るものである。
Another object of the present invention is to provide a flat display device that is configured to prevent the concentration of force due to vibrations, stress, etc. on the interface between the surface of the frit glass and the surface of the vacuum exhaust pipe, thereby reducing bending of the vacuum exhaust pipe.

課題を解決するための手段 上記課題を解決するために、本発明の第1の発明はガラ
ス容器と、真空排気管と、前記ガラス容器の側面に設け
られた穴に前記真空排気管を固定である。
Means for Solving the Problems In order to solve the above problems, a first invention of the present invention includes a glass container, a vacuum exhaust pipe, and a hole provided in a side surface of the glass container to which the vacuum exhaust pipe can be fixed. be.

また、本発明の第2の発明は、真空排気管表面を特徴と
する。
Moreover, the second aspect of the present invention is characterized by the surface of the vacuum exhaust pipe.

作   用 本発明の第1の発明によれば、結晶質フリットガラスは
一度硬化すれば、製造工程で負荷する温度では軟化・溶
解しない特性があり、結晶質フリットガラスにマイクロ
クラックが、ベーキング装置の温度上昇に伴う平面型表
示装置の熱不均、電気封止ヒーター装置Hのヒーター熱
による結晶質フリットガラス局部加熱、電気封止ヒータ
ー装置による真空排気管部の温度不均一等により発生し
ても、非結晶質フリットガラスは一度硬化しても、製造
工程で負荷する温度で軟化する特性があり、その特性に
より前記マイクロクラックを埋め、真空排気管の折れ、
完成品の真空度の低下を防止できることとなる。
According to the first aspect of the present invention, once the crystalline frit glass is hardened, it does not soften or melt at the temperature applied in the manufacturing process, and microcracks in the crystalline frit glass occur in the baking equipment. Even if it occurs due to thermal unevenness in the flat display device due to temperature rise, local heating of the crystalline frit glass due to the heater heat of the electrically sealed heater device H, temperature unevenness in the vacuum exhaust pipe section due to the electrically sealed heater device, etc. Even if amorphous frit glass is once hardened, it has the property of softening at the temperature applied during the manufacturing process, and this property allows it to fill in the microcracks and prevent bends in vacuum exhaust pipes.
This makes it possible to prevent the degree of vacuum of the finished product from decreasing.

また、本発明の第2の発明によれば、非結晶質ブリット
ガラスは、流動性がよ(、がっ塗布時のパウダー状態で
形状をコントロールすることで、非結晶質フリットガラ
スの表面と真空排気管の表面とがそれらの境界部をはさ
んで互いになる角を鈍角に形成でき、真空排気装置の真
空引き時の撮動、ベーキング装置の温度上昇時の熱応力
等による応力集中が防止できる事により真空排気管折れ
が防止できることとなる。
Further, according to the second invention of the present invention, the amorphous frit glass has good fluidity (by controlling the shape in the powder state during coating, the surface of the amorphous frit glass and the vacuum It is possible to form an obtuse angle between the surface of the exhaust pipe and the boundary between them, which prevents stress concentration due to thermal stress, etc. when photographing during evacuation of the evacuation equipment or when the temperature rises in the baking equipment. This will prevent the vacuum exhaust pipe from breaking.

実施例 以下本発明の実施例について、図面を参照して説明する
EXAMPLES Hereinafter, examples of the present invention will be described with reference to the drawings.

実施例1 第1図は、本発明の第1の実施例における平面型表示装
置のベーキング状態を示す概略部分断面図である。
Embodiment 1 FIG. 1 is a schematic partial sectional view showing a baking state of a flat display device in a first embodiment of the present invention.

同図において、1は真空排気装置の排気孔、2はOリン
グ、3は電気封止ヒーター装置、を示し真空排気装置1
0と電気封止ヒーター装置3、を備えたベーキング装置
12が用いられる。4はガラス容器、5は結晶質フリッ
トガラス、6は結晶質フリットガラス5を覆う様に、形
成された非結晶質フリットガラス、7はガラス容器4に
結晶質フリットガラス5にて固定され非結晶質フリット
ガラス6で覆われて接合された真空排気管13はこれら
を備えた平面型表示装置である。
In the same figure, 1 indicates an exhaust hole of the vacuum evacuation device, 2 indicates an O-ring, and 3 indicates an electrically sealed heater device.
0 and an electrically sealed heater device 3 are used. 4 is a glass container, 5 is a crystalline frit glass, 6 is an amorphous frit glass formed so as to cover the crystalline frit glass 5, and 7 is an amorphous glass fixed to the glass container 4 with the crystalline frit glass 5. The evacuation tube 13 covered with a flat frit glass 6 and bonded together constitutes a flat display device including these.

真空排気管7を電気封止ヒーター装置3に挿入し、真空
排気管7の先端7aを0リング2を介して排気孔1に接
続する。
The vacuum exhaust pipe 7 is inserted into the electrically sealed heater device 3, and the tip 7a of the vacuum exhaust pipe 7 is connected to the exhaust hole 1 via the O-ring 2.

以上のように構成された平面型表示装置1t13のベー
キング工程について第1図を用いてその動作を説明する
。まずベーキング装置12の内部温度を上昇(300〜
400℃)させながら平面型表示装置13の内部を真空
排気にする。また、設定された真空に達すると電気封止
ヒーター装置3のヒーターに電圧を徐々に印加しながら
、真空排気管7に対し加熱・溶解・封止・徐冷を加え、
そして、上記一連の工程終了後切断するものである。
The operation of the baking process of the flat display device 1t13 configured as described above will be explained with reference to FIG. First, increase the internal temperature of the baking device 12 (300~
400° C.), the inside of the flat display device 13 is evacuated. When the set vacuum is reached, the vacuum exhaust pipe 7 is heated, melted, sealed, and slowly cooled while gradually applying voltage to the heater of the electrically sealed heater device 3.
Then, after the series of steps described above are completed, it is cut.

本実施例によれば、結晶質フリットガラス5を覆うよう
に非結晶質フリットガラス6が設けられており、ベーキ
ング装置12の温度上昇に伴う平面型表示装置13の熱
不均−や、電気封止ヒーター装置3のヒーター熱による
結晶質フリットガラス50局部加熱、又は電気封止ヒー
ター装置3による真空排気管7の温度不均一等により結
晶質フリットガラス5にマイクロクラックが、発生して
も、−度硬化した非結晶質フリットガラス6が製造工程
で負荷する温度で軟化する特性があり、その特性により
マイクロクラックを埋め、真空排気管7の折れや、完成
品の真空度の低下を防止できる。
According to this embodiment, the amorphous frit glass 6 is provided so as to cover the crystalline frit glass 5, so that thermal unevenness of the flat display device 13 due to the temperature rise of the baking device 12 and electric sealing can be prevented. Even if microcracks occur in the crystalline frit glass 5 due to local heating of the crystalline frit glass 50 due to the heater heat of the sealing heater device 3 or uneven temperature of the vacuum exhaust pipe 7 due to the electrically sealed heater device 3, - The hardened amorphous frit glass 6 has the property of softening at the temperature applied during the manufacturing process, and this property can fill microcracks and prevent the vacuum exhaust pipe 7 from breaking and the degree of vacuum of the finished product from decreasing.

実施例2 第2図は本発明の第2の実施例における平面型表示装置
の真空排気管取付部拡大側断面図である。
Embodiment 2 FIG. 2 is an enlarged side sectional view of a vacuum exhaust pipe attachment portion of a flat display device according to a second embodiment of the present invention.

同図において、第1図と同一物には同一番号を付し、説
明を省略する。同図に示すように、真空排気管の表面7
aと非結晶質フリットガラス6の真空排気管7の表面7
aとの境界近傍にある表面6aとのなす角Qを鈍角に形
成しである。
In this figure, the same parts as those in FIG. 1 are given the same numbers, and their explanations will be omitted. As shown in the figure, the surface 7 of the vacuum exhaust pipe
a and the surface 7 of the vacuum exhaust pipe 7 of the amorphous frit glass 6
The angle Q formed between the surface 6a and the surface 6a near the boundary with the surface 6a is formed to be an obtuse angle.

この非結晶質フリットガラス6は、流動性がよく、かつ
添布時のパウダー状態で形状をコントロールすることが
できるため、非結晶質フリットガラス6の表面6aと真
空排気管7の表面7aとのなす角Qを鈍角に形成でき、
従って、本実施例によれば、実施例1で得られる効果に
加えて真空排気装置lOの真空引き時の振動、ベーキン
グ装置12の温度上昇時の熱応力等による応力集中が防
止できる事になり、真空排気管7の折れが防止できる効
果も有する。
This amorphous frit glass 6 has good fluidity and the shape can be controlled in the powder state at the time of application, so that the surface 6a of the amorphous frit glass 6 and the surface 7a of the vacuum exhaust pipe 7 are The angle Q can be formed into an obtuse angle,
Therefore, according to this embodiment, in addition to the effects obtained in Embodiment 1, it is possible to prevent stress concentration due to vibrations during evacuation of the evacuation device 1O, thermal stress when the temperature of the baking device 12 rises, etc. This also has the effect of preventing the vacuum exhaust pipe 7 from breaking.

発明の効果 以上のように本発明の第1の発明によれば、結晶質フリ
ットガラスに非結晶質フリットガラスが設けられている
ため、ベーキング装置の温度上昇に伴う平面型表示装置
の熱不均−や、電気封圧ヒーター装置のヒーター熱によ
る結晶質フリットガラスの局部加熱、あるいは電気封止
ヒーター装置による真空排気管部の温度不均一等により
結晶質フリットガラスにマイクロクラックが発生しても
、製造工程で負荷する温度で軟化する特性によりマイク
ロクラックを埋め、真空排気管の折れ、完成品の真空度
の低下を防止できる。
Effects of the Invention As described above, according to the first aspect of the present invention, since the crystalline frit glass is provided with the amorphous frit glass, the thermal imbalance of the flat display device due to the temperature rise of the baking device is reduced. - Even if microcracks occur in the crystalline frit glass due to local heating of the crystalline frit glass due to heater heat from the electric sealing heater device, or uneven temperature in the vacuum exhaust pipe section due to the electric sealing heater device, Due to its characteristic of softening at the temperature applied during the manufacturing process, it can fill in microcracks and prevent the vacuum exhaust pipe from breaking and the vacuum level of the finished product from decreasing.

また、本発明の第2の発明によれば、結晶質フリットガ
ラスに非結晶質フリットガラスが設けられるとともに、
非結晶質フリットガラスは、流動性がよ(、かつ添布時
のパウダー状態で形状をコントロールすることで、非結
晶質フリットガラスの表面が境界部を有する近傍で互い
になす角が鈍角に形成されているので、第1の発明で得
られる効果に加えて、真空排気装置の真空引き時の振動
、ベーキング装置の温度上昇時の熱応力等による応力集
中が防止できる事になり真空排気管の折れが防止できる
Further, according to the second aspect of the present invention, an amorphous frit glass is provided on the crystalline frit glass, and
Amorphous frit glass has good fluidity (and by controlling the shape in the powder state at the time of application, the surfaces of the amorphous frit glass form obtuse angles to each other in the vicinity of the boundary). Therefore, in addition to the effect obtained with the first invention, it is possible to prevent stress concentration caused by vibrations during evacuation of the evacuation device and thermal stress when the temperature of the baking device rises, thereby preventing breakage of the evacuation pipe. can be prevented.

【図面の簡単な説明】[Brief explanation of the drawing]

第1図は、本発明の第1の実施例における平面型表示装
置のベーキング状態を示す概略部分断面図、第2図は、
本発明の第2の実施例における平面型表示装置の真空排
気管取り付は部拡大側断面図、第3図は、従来の平面型
表示装置とその製造装置の部分断面図である。 4・・・・・・ガラス容器、5・・・・・・結晶質フリ
ットガラス、6・・・・・・非結晶質フリットガラス、
7・・・・・・真空排気管。
FIG. 1 is a schematic partial sectional view showing a baking state of a flat display device according to a first embodiment of the present invention, and FIG.
FIG. 3 is a partially enlarged side cross-sectional view showing the attachment of a vacuum exhaust pipe to a flat display device according to a second embodiment of the present invention, and FIG. 3 is a partial cross-sectional view of a conventional flat display device and its manufacturing apparatus. 4...Glass container, 5...Crystalline frit glass, 6...Amorphous frit glass,
7... Vacuum exhaust pipe.

Claims (2)

【特許請求の範囲】[Claims] (1)ガラス容器と、真空排気管と、前記ガラス容器の
側面に設けられた穴に前記真空排気管を接合する結晶質
フリットガラスと、前記結晶質フリットガラスを覆う非
結晶フリットガラスを備えたことを特徴とする平面型表
示装置。
(1) A glass container, a vacuum exhaust pipe, a crystalline frit glass that connects the vacuum exhaust pipe to a hole provided in a side surface of the glass container, and an amorphous frit glass that covers the crystalline frit glass. A flat display device characterized by:
(2)真空排気管表面と非結晶フリットガラスの表面が
それらの境界部をはさんで互いになす角を鈍角に設けた
請求項1記載の平面型表示装置。
(2) The flat display device according to claim 1, wherein the surface of the vacuum exhaust pipe and the surface of the amorphous frit glass form an obtuse angle with respect to the boundary between them.
JP33320588A 1988-12-29 1988-12-29 Planar display apparatus Pending JPH02181348A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP33320588A JPH02181348A (en) 1988-12-29 1988-12-29 Planar display apparatus

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP33320588A JPH02181348A (en) 1988-12-29 1988-12-29 Planar display apparatus

Publications (1)

Publication Number Publication Date
JPH02181348A true JPH02181348A (en) 1990-07-16

Family

ID=18263491

Family Applications (1)

Application Number Title Priority Date Filing Date
JP33320588A Pending JPH02181348A (en) 1988-12-29 1988-12-29 Planar display apparatus

Country Status (1)

Country Link
JP (1) JPH02181348A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2796490A1 (en) * 1999-07-13 2001-01-19 Thomson Plasma Plasma display panel pump plug having tubular section with disc outer and protruding tube part plasma panel hole fitting/position soldered.
EP1174900A1 (en) * 2000-07-17 2002-01-23 Thomson Plasma S.A.S. Pumping tube for flat display panel

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2796490A1 (en) * 1999-07-13 2001-01-19 Thomson Plasma Plasma display panel pump plug having tubular section with disc outer and protruding tube part plasma panel hole fitting/position soldered.
US6531818B1 (en) 1999-07-13 2003-03-11 Thomson Licensing S. A. Pumping tube for pumping and filling flat display panel
EP1174900A1 (en) * 2000-07-17 2002-01-23 Thomson Plasma S.A.S. Pumping tube for flat display panel

Similar Documents

Publication Publication Date Title
JP4323573B2 (en) Manufacturing method of flat panel display device
US6037710A (en) Microwave sealing of flat panel displays
KR100706151B1 (en) Gas discharge type display panel and production method therefor
US3894858A (en) Preventing thermally induced fracture of cathode ray tube bulbs by application of a thermal insulator
JPH02181348A (en) Planar display apparatus
US6021648A (en) Method of manufacturing a flat glass panel for a picture display device
CN100550259C (en) The manufacture method of gas-tight container and manufacturing method of anm image displaying apparatus
CA2017033A1 (en) Integrated thermal processing for kinescopes
US6152796A (en) Method for manufacturing an image forming apparatus
US4000997A (en) Method for reducing thermally induced fracture in cathode ray tube bulbs
US6533632B1 (en) Method of evacuating and sealing flat panel displays and flat panel displays using same
JP2731156B2 (en) Glass sealing method for lead wire
JP2000090829A (en) Manufacture for image display device
JPH07147130A (en) Manufacture of cathode-ray tube
KR100340084B1 (en) Sealing method of exhaust pipe for a plasma display panel and sealing apparatus
JPH03141538A (en) Manufacture of plane display
JPH04298944A (en) Manufacturing device and method for flat display device
JP2000162616A (en) Liquid crystal display and production of the liquid crystal display
US6062932A (en) Method of forming thin-type display device having a window frame
JPS63195933A (en) Electric sealing heater device for flat type display
JPH0272539A (en) Device for baking envelope of cathode-ray tube
JP2004031118A (en) Sealing member, flat display panel using it, and its manufacturing method
JP2000172196A (en) Flat plate type image display device and its production
JPS61142631A (en) Manufacture of cathode-ray tube device
JPS62296334A (en) Plane type display device