JPH0766237B2 - Display panel manufacturing method - Google Patents
Display panel manufacturing methodInfo
- Publication number
- JPH0766237B2 JPH0766237B2 JP3092801A JP9280191A JPH0766237B2 JP H0766237 B2 JPH0766237 B2 JP H0766237B2 JP 3092801 A JP3092801 A JP 3092801A JP 9280191 A JP9280191 A JP 9280191A JP H0766237 B2 JPH0766237 B2 JP H0766237B2
- Authority
- JP
- Japan
- Prior art keywords
- spacer
- sealing
- glass
- display panel
- insulating substrate
- 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
Links
Landscapes
- Devices For Indicating Variable Information By Combining Individual Elements (AREA)
Description
【０００１】[0001]
【産業上の利用分野】本発明は、表示パネル、特に２枚
の絶縁基板を対向配置して該基板間に空間を確保した構
造の表示パネルの製造方法に関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a display panel, and more particularly to a method of manufacturing a display panel having a structure in which two insulating substrates are arranged opposite to each other to secure a space between the substrates.
【０００２】[0002]
【従来の技術】この種の表示パネル、例えばガス放電表
示パネルにおいては、前面基板２と背面基板３との間に
放電空間４を確保して、この周囲を気密封止し、内部に
放電ガスを封入した構造のものが一般的である。2. Description of the Related Art In a display panel of this type, for example, a gas discharge display panel, a discharge space 4 is secured between a front substrate 2 and a rear substrate 3, the periphery of the discharge space 4 is hermetically sealed, and a discharge gas is provided inside. A structure in which is enclosed is common.
【０００３】そして上記放電空間４を維持するために、
両基板２，３の間にスペーサ５を介装させることが一般
に知られている。In order to maintain the discharge space 4,
It is generally known that a spacer 5 is interposed between both substrates 2 and 3.
【０００４】このスペーサ５を得る技術としては、第１
に、薄板ガラスの表示領域に対応する部分をエッチング
加工して透孔を形成したものを両基板間に配置する方
法、第２に、両基板の非表示領域に薄板ガラスの小片を
散点的に配置する方法等が知られている。The first technique for obtaining the spacer 5 is
A method of arranging a thin glass sheet having a through hole formed by etching a portion corresponding to a display area between the two substrates; and second, a small piece of thin glass glass scattered in non-display areas of both substrates. It is known how to place it in.
【０００５】しかし、いずれの方法も加工処理時間を費
やしコスト高となるという問題があった。However, each method has a problem that the processing time is spent and the cost is increased.
【０００６】そのため、図３に示すように、前面基板２
または背面基板３の表面に厚膜印刷によってガラスペー
ストをバンク状に塗布し、これを焼結させてスペーサ５
とし、前面基板２と背面基板３との間に一定間隔を維持
していた。Therefore, as shown in FIG. 3, the front substrate 2
Alternatively, a glass paste is applied in a bank shape on the surface of the rear substrate 3 by thick film printing, and this is sintered to form spacers 5.
Therefore, a constant distance is maintained between the front substrate 2 and the rear substrate 3.
【０００７】上記ガラスペーストをスペーサ５として用
いた当該技術では、焼結による熱収縮を抑制するために
アルミナ等のフィラーをペースト中に含有させているの
で、スペーサ５がポーラス（多孔質）状態となってい
た。In the technique using the glass paste as the spacer 5, since the filler such as alumina is contained in the paste in order to suppress heat shrinkage due to sintering, the spacer 5 is in a porous state. Was becoming.
【０００８】そこで、内部の気密性が損なわれるのを防
ぐため、このスペーサ５の外側、すなわち、前面基板２
と背面基板３との間の周縁部にペースト状の封着用ガラ
スを塗布し、これを焼結させて封止を行っていた。Therefore, in order to prevent the airtightness of the inside from being impaired, the outside of the spacer 5, that is, the front substrate 2
The sealing glass in paste form was applied to the peripheral portion between the back substrate 3 and the back substrate 3, and the glass was sintered for sealing.
【０００９】[0009]
【発明が解決しようとする課題】ところで、上記表示パ
ネルにおいて、広範囲の発光面積を確保するために、放
電の発光部を封着用ガラス６に近接した位置にまで設定
した場合、上記スペーサ５の幅を必然的に狭くしなけれ
ばならなかった。By the way, in the above display panel, in order to secure a wide light emitting area, when the light emitting portion of the discharge is set to a position close to the sealing glass 6, the width of the spacer 5 is increased. Had to be narrowed inevitably.
【００１０】しかし、スペーサ５の幅を狭くした場合、
１回のペースト印刷塗布工程では所定の厚さが実現でき
なくなるため、多層の印刷塗布工程が必要となってい
た。However, when the width of the spacer 5 is reduced,
Since a predetermined thickness cannot be achieved in one paste printing coating process, a multilayer printing coating process is required.
【００１１】本発明は上記課題に鑑みてなされたもので
あり、その目的は、表示パネルのスペーサ形成工程およ
び気密封止工程を効率的に実施するとともに、低コスト
でかつ気密信頼性の高い封止技術を提供することにあ
る。The present invention has been made in view of the above problems, and an object thereof is to efficiently perform a spacer forming process and a hermetically sealing process of a display panel, and to achieve a low cost and highly hermetic sealing. To provide stop technology.
【００１２】[0012]
【課題を解決するための手段】本発明は、一対の絶縁基
板を所定間隔で対向配置し、両基板の周縁を気密封止し
た表示パネルの製造方法において、一方の絶縁基板面の
周縁近傍に結晶化ガラスで断面半円状のスペーサを焼結
形成し、他方の絶縁基板面の上記スペーサに対応する部
位に結晶化ガラスからなる封着用ガラスを付着させた
後、上記一方および他方の絶縁基板を位置決めして熱処
理を施し、一方の絶縁基板のスペーサを封着用ガラスを
介して他方の絶縁基板に封着し、両絶縁基板間の空間を
気密封止することを特徴とするものである。SUMMARY OF THE INVENTION The present invention is a method for manufacturing a display panel in which a pair of insulating substrates are opposed to each other at a predetermined interval, and the peripheral edges of both substrates are hermetically sealed. After forming a spacer having a semicircular cross section with crystallized glass and attaching a sealing glass made of crystallized glass to a portion of the other insulating substrate surface corresponding to the spacer, the one or the other insulating substrate Is positioned and subjected to heat treatment, the spacer of one insulating substrate is sealed to the other insulating substrate through the sealing glass, and the space between both insulating substrates is hermetically sealed.
【００１３】[0013]
【作用】上記手段によれば、結晶化ガラスでスペーサを
焼結形成する際に、一方の絶縁基板面とこのスペーサの
境界面との封止が完了し、また封着用ガラスを介した他
方の絶縁基板との封着により両絶縁基板間の空間の完全
な気密封止が実現される。According to the above means, when the spacer is formed of crystallized glass by sintering, the sealing between the insulating substrate surface on one side and the boundary surface of this spacer is completed, and the other side through the sealing glass is used. By sealing with the insulating substrate, the space between the insulating substrates is completely hermetically sealed.
【００１４】したがって、少ない工程数で気密封止を行
うことができる。しかも、スペーサと封着用ガラスとが
近似した材料（結晶化ガラス）で構成されているため、
相互の部材の境界面での親和性が高く、且つ、スペーサ
の形状が断面半円状であるため封着材との接合面積が大
きくなり、気密信頼性も高く維持できる。Therefore, airtight sealing can be performed with a small number of steps. Moreover, since the spacer and the glass for sealing are made of materials (crystallized glass) that are similar to each other,
Since the mutual affinity between the members is high and the spacer has a semicircular cross section, the bonding area with the sealing material is large and the airtightness can be kept high.
【００１５】また、封止材料を用いてスペーサを形成す
るため、ガラス面上に封着部とスペーサ配置部とを分け
て形成する必要がないため、大面積の表示部を確保する
ことができる。Further, since the spacer is formed by using the sealing material, it is not necessary to separately form the sealing portion and the spacer arrangement portion on the glass surface, so that a large-area display portion can be secured. .
【００１６】さらに封止材料を用いてスペーサを形成す
るため、部品点数を低減でき、コストを抑えることがで
きる。Further, since the spacer is formed by using the sealing material, the number of parts can be reduced and the cost can be suppressed.
【００１７】[0017]
【実施例】図１および図２は、本発明の一実施例である
表示パネルの封止構造および製造工程をそれぞれ示した
部分断面図である。1 and 2 are partial sectional views showing a sealing structure of a display panel and a manufacturing process according to an embodiment of the present invention.
【００１８】本実施例の製造方法によって得られる表示
パネルは、交流型ガス放電表示パネル１であり、ガラス
等の透光性絶縁物より成る前面基板２とガラスやセラミ
ック等の絶縁物より成る背面基板３とが所定間隔、例え
ば１００μｍの間隔で対向配置されている。The display panel obtained by the manufacturing method of this embodiment is an AC type gas discharge display panel 1, which comprises a front substrate 2 made of a transparent insulating material such as glass and a back surface made of an insulating material such as glass or ceramic. The substrate 3 is arranged to face the substrate 3 at a predetermined interval, for example, 100 μm.
【００１９】上記前面基板２の対向面側には、酸化錫の
透明電極８が形成され、この透明電極８はガラス等の透
光性誘電材からなる誘電体層１０で覆われている。A transparent electrode 8 of tin oxide is formed on the opposite surface side of the front substrate 2, and the transparent electrode 8 is covered with a dielectric layer 10 made of a transparent dielectric material such as glass.
【００２０】一方、背面基板３の対向面側には、銀パラ
ジウム等の誘電体からなる電極１１が形成されており、
この電極１１は誘電体層１０によってその表面を覆われ
ている。尚、図示は省略するが、上記誘電体層１０の表
面には、酸化マグネシウム等の耐スパッタ性物質からな
る保護膜が形成されている。On the other hand, an electrode 11 made of a dielectric material such as silver palladium is formed on the opposite surface side of the back substrate 3.
The surface of the electrode 11 is covered with the dielectric layer 10. Although not shown, a protective film made of a sputter-resistant substance such as magnesium oxide is formed on the surface of the dielectric layer 10.
【００２１】また、上記前面基板２の対向面上における
周縁近傍には、断面略半円状のスペーサ５が設けられて
いる。このスペーサ５は、焼結されたフリットガラスか
らなり、さらに詳しくは結晶化ガラスで構成されてい
る。A spacer 5 having a substantially semicircular cross section is provided in the vicinity of the peripheral edge on the facing surface of the front substrate 2. The spacer 5 is made of sintered frit glass, more specifically, crystallized glass.
【００２２】図１において、このスペーサ５の先端（図
では下端）と背面基板３との間には封着用ガラス６が充
填されており、スペーサ５の先端と背面基板３の対向面
とが密着し、放電空間４を気密封止する構造となってい
る。In FIG. 1, a sealing glass 6 is filled between the tip (lower end in the figure) of the spacer 5 and the back substrate 3, and the tip of the spacer 5 and the opposing surface of the back substrate 3 are in close contact with each other. The discharge space 4 is hermetically sealed.
【００２３】次に、本実施例におけるガス放電表示パネ
ルの製造方法について説明する。まず、前面基板２の表
面に表示パターンに対応した形状に透明電極８を形成
し、この表面を誘電体層１０で覆った後、前面基板２の
周縁近傍に第１の封着用ガラス１２を厚膜印刷によって
塗布する。この第１の封着用ガラス１２は、低融点ガラ
ス粉末にバインダーを添加混合してペースト状としたも
のであり、結晶化ガラスからなる。この結晶化ガラス
は、一旦加熱し結晶化すると、再加熱しても溶融軟化し
ない特性を備えている。Next, a method of manufacturing the gas discharge display panel in this embodiment will be described. First, the transparent electrode 8 is formed on the surface of the front substrate 2 in a shape corresponding to the display pattern, the surface is covered with the dielectric layer 10, and then the first sealing glass 12 is thickened near the periphery of the front substrate 2. Apply by membrane printing. The first glass 12 for sealing is made of crystallized glass by adding and mixing a binder to a low melting point glass powder to form a paste. This crystallized glass has a characteristic that once it is heated and crystallized, it does not melt and soften even if it is reheated.
【００２４】本実施例では、この前面基板２に第１の封
着用ガラス１２を塗布し、この第１の封着用ガラス１２
の結晶化温度まで加熱して溶融軟化させた後硬化させ、
スペーサ５を焼結形成する。このスペーサ５は、第１の
封着用ガラス１２の材質および加熱条件等を適宜選定す
ることにより断面半円状に形成し得る。In this embodiment, the first sealing glass 12 is applied to the front substrate 2 and the first sealing glass 12 is applied.
It is heated to the crystallization temperature to melt and soften and then harden,
The spacer 5 is sintered and formed. The spacer 5 can be formed in a semicircular cross section by appropriately selecting the material of the first sealing glass 12 and the heating conditions.
【００２５】上記と並行して、背面基板３の表面に導電
体からなる電極１１を形成し、この電極１１を覆うよう
に誘電体層１０を形成した後、背面基板３の周縁近傍に
上記同様ペースト状とした結晶化ガラスからなる第２の
封着用ガラス１３を塗布しておく。尚、上記スペーサ５
は、背面基板３に形成してもよい。In parallel with the above, an electrode 11 made of a conductive material is formed on the surface of the back substrate 3, a dielectric layer 10 is formed so as to cover the electrode 11, and then the vicinity of the periphery of the back substrate 3 is similar to the above. The second sealing glass 13 made of crystallized glass in a paste form is applied in advance. In addition, the spacer 5
May be formed on the rear substrate 3.
【００２６】以上のようにして得られた前面基板２と背
面基板３とを、位置決めして、スペーサ５と第２の封着
用ガラス１３の塗布部分とが一致するようにし、４百数
十℃程度の温度で数分〜数十分程度の加熱処理を施す。The front substrate 2 and the rear substrate 3 obtained as described above are positioned so that the spacer 5 and the applied portion of the second sealing glass 13 are aligned with each other, and the temperature is 4 hundreds and several tens of degrees Celsius. Heat treatment is performed at a temperature of about several minutes to several tens of minutes.
【００２７】この加熱処理を通じて、第２の封着用ガラ
ス１３は溶融軟化し、上記スペーサ５の断面半円状の先
端と背面基板３の表面とで形成される狭小部１４に毛管
現象によって入り込む。この状態で自然冷却、あるいは
強制冷却を実施することによって、スペーサ５と第２の
封着用ガラス１３とが密着して、放電空間４が気密封止
される。Through this heat treatment, the second sealing glass 13 is melted and softened, and enters the narrow portion 14 formed by the tip of the spacer 5 having a semicircular cross section and the surface of the rear substrate 3 by a capillary phenomenon. By performing natural cooling or forced cooling in this state, the spacer 5 and the second sealing glass 13 are brought into close contact with each other, and the discharge space 4 is hermetically sealed.
【００２８】このように、本実施例によれば、まず結晶
化ガラスでスペーサ５を形成しておき、これを第２の封
着用ガラス１３で封着することによって、別部材のスペ
ーサ５を用いることなく気密封止を行うことができる。
そのため、広い表示面積を確保したガス放電表示パネル
を得ることができる。As described above, according to this embodiment, the spacer 5 is first formed of crystallized glass, and the spacer 5 is sealed by the second sealing glass 13 to use the spacer 5 as a separate member. It is possible to carry out hermetic sealing without any need.
Therefore, it is possible to obtain a gas discharge display panel that secures a wide display area.
【００２９】また、スペーサ５の形成と封止部の形成と
が同時にできるため、工程数を低減することができ、ガ
ス放電表示パネルの製造効率を向上させることができ
る。Further, since the spacer 5 and the sealing portion can be formed at the same time, the number of steps can be reduced and the manufacturing efficiency of the gas discharge display panel can be improved.
【００３０】さらに、スペーサ５と封着材（第２の封着
用ガラス１３）とが近似した材料（結晶化ガラス）で構
成されているため、相互の部材の境界面での親和性が高
く、しかも、スペーサ５の形状が断面略半円状であるた
め封着材との接合面積が大きくなり、気密信頼性の高い
表示パネルを得ることができる。Furthermore, since the spacer 5 and the sealing material (the second sealing glass 13) are made of a material (crystallized glass) which is similar to each other, the mutual affinity at the interface between the members is high, Moreover, since the spacer 5 has a substantially semi-circular cross-section, the bonding area with the sealing material is large, and a display panel with high airtightness reliability can be obtained.
【００３１】尚、本実施例では、交流型ガス放電表示パ
ネルを例として説明したが、直流型ガス放電表示パネル
の場合にも同様の効果が得られるものであり、更に、液
晶を用いた表示パネル等所定間隔で対向配置された絶縁
基板の周縁を気密封止した構成を有する表示パネルの製
造に広く適用可能である。In this embodiment, the AC type gas discharge display panel has been described as an example, but the same effect can be obtained in the case of the DC type gas discharge display panel, and further, the display using liquid crystal is used. The present invention can be widely applied to the manufacture of a display panel having a structure in which the peripheral edges of insulating substrates that are opposed to each other at a predetermined interval such as a panel are hermetically sealed.
【００３２】[0032]
【発明の効果】本発明によれば、結晶化ガラスでスペー
サを焼結形成する際に、一方の絶縁基板面とこのスペー
サの境界面との封止が完了し、また封着用ガラスを介し
た他方の絶縁基板との封着により両絶縁基板間の空間の
完全な気密封止が実現される。According to the present invention, when the spacer is formed of crystallized glass by sintering, the sealing between one insulating substrate surface and the boundary surface of this spacer is completed, and the sealing glass is used. By sealing with the other insulating substrate, the space between the two insulating substrates is completely hermetically sealed.
【００３３】したがって、少ない工程数で気密封止を行
うことができる。しかも、スペーサと封着用ガラスとが
近似した材料（結晶化ガラス）で構成されているため、
相互の部材の境界面での親和性が高く、且つ、スペーサ
の形状が断面半円状であるため封着材との接合面積が大
きくなり、気密信頼性も高く維持できる。Therefore, airtight sealing can be performed with a small number of steps. Moreover, since the spacer and the glass for sealing are made of materials (crystallized glass) that are similar to each other,
Since the mutual affinity between the members is high and the spacer has a semicircular cross section, the bonding area with the sealing material is large and the airtightness can be kept high.
【００３４】また、封止材料を用いてスペーサを形成す
るため、ガラス面上に封着部とスペーサ配置部とを分け
て形成する必要がないため、大面積の表示部を確保する
ことができる。Further, since the spacer is formed by using the sealing material, it is not necessary to separately form the sealing portion and the spacer arrangement portion on the glass surface, so that a large-area display portion can be secured. .
【００３５】さらに封止材料を用いてスペーサを形成す
るため、部品点数を低減でき、コストを抑えることがで
きる。Further, since the spacer is formed by using the sealing material, the number of parts can be reduced and the cost can be suppressed.
【図１】本発明の実施例である表示パネルの封止部近傍
を示す部分断面図FIG. 1 is a partial cross-sectional view showing the vicinity of a sealing portion of a display panel that is an embodiment of the present invention.
【図２】実施例の表示パネルの製造工程を示す部分断面
図FIG. 2 is a partial cross-sectional view showing the manufacturing process of the display panel of the example.
【図３】従来技術における表示パネルの封止部近傍を示
す部分断面図FIG. 3 is a partial cross-sectional view showing the vicinity of a sealing portion of a display panel in a conventional technique.
１・・ガス放電表示パネル、 ２・・前面基板、 ３・・背面基板、 ４・・放電空間、 ５・・スペーサ、 ６・・封着用ガラス、 ８・・透明電極、 １０・・誘電体層、 １１・・電極、 １２・・第１の封着用ガラス、 １３・・第２の封着用ガラス、 １４・・狭小部。 1 ... Gas discharge display panel, 2 ... Front substrate, 3 ... Rear substrate, 4 ... Discharge space, 5 ... Spacer, 6 ... Sealing glass, 8 ... Transparent electrode, 10 ... Dielectric layer , 11 ... Electrode, 12 ... First sealing glass, 13 ... Second sealing glass, 14 ... Narrow portion.
Claims (1)
し、両基板の周縁を気密封止した表示パネルの製造方法
において、一方の絶縁基板面の周縁近傍に結晶化ガラス
で断面半円状のスペーサを焼結形成し、他方の絶縁基板
面の上記スペーサに対応する部位に結晶化ガラスからな
る封着用ガラスを付着させた後、上記一方および他方の
絶縁基板を位置決めして熱処理を施し、一方の絶縁基板
のスペーサを封着用ガラスを介して他方の絶縁基板に封
着し、両絶縁基板間の空間を気密封止することを特徴と
する表示パネルの製造方法。1. A method of manufacturing a display panel in which a pair of insulating substrates are opposed to each other at a predetermined interval and the peripheral edges of both substrates are hermetically sealed, and a semi-circular cross section of crystallized glass is formed near the peripheral edge of one insulating substrate surface. spacers sintering formation, I from crystallized glass in a portion corresponding to the spacer of the other insulating substrate surface
That after the sealing glass is deposited, heat treatment by positioning the one and the other of the insulating substrate mentioned above, the spacer on one of the insulating substrate via the sealing glass is sealed to the other of the insulating substrate, both insulating substrate A method for manufacturing a display panel, characterized by hermetically sealing a space therebetween.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3092801A JPH0766237B2 (en) | 1991-03-29 | 1991-03-29 | Display panel manufacturing method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3092801A JPH0766237B2 (en) | 1991-03-29 | 1991-03-29 | Display panel manufacturing method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH04301879A JPH04301879A (en) | 1992-10-26 |
| JPH0766237B2 true JPH0766237B2 (en) | 1995-07-19 |
Family
ID=14064519
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP3092801A Expired - Fee Related JPH0766237B2 (en) | 1991-03-29 | 1991-03-29 | Display panel manufacturing method |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0766237B2 (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100673765B1 (en) | 2006-01-20 | 2007-01-24 | 삼성에스디아이 주식회사 | Organic light-emitting display device and the preparing method of the same |
| KR100688790B1 (en) * | 2006-01-27 | 2007-03-02 | 삼성에스디아이 주식회사 | Organic light emitting display device and fabricating method of the same |
| KR100732817B1 (en) * | 2006-03-29 | 2007-06-27 | 삼성에스디아이 주식회사 | Organic light-emitting display device and the preparing method of the same |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS4925866A (en) * | 1972-07-05 | 1974-03-07 | ||
| JPS59178476A (en) * | 1983-03-29 | 1984-10-09 | 富士通株式会社 | Manufacture of flat display panel |
| JPH0625833B2 (en) * | 1984-10-09 | 1994-04-06 | セイコーエプソン株式会社 | LCD panel |
-
1991
- 1991-03-29 JP JP3092801A patent/JPH0766237B2/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| JPH04301879A (en) | 1992-10-26 |
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| Date | Code | Title | Description |
|---|---|---|---|
| LAPS | Cancellation because of no payment of annual fees |