JPH02293713A - Method for sealing thin-film el panel with protective liquid - Google Patents
Method for sealing thin-film el panel with protective liquidInfo
- Publication number
- JPH02293713A JPH02293713A JP1114849A JP11484989A JPH02293713A JP H02293713 A JPH02293713 A JP H02293713A JP 1114849 A JP1114849 A JP 1114849A JP 11484989 A JP11484989 A JP 11484989A JP H02293713 A JPH02293713 A JP H02293713A
- Authority
- JP
- Japan
- Prior art keywords
- adhesive agent
- panel
- glass
- glass plate
- film
- 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.)
- Granted
Links
- 239000007788 liquid Substances 0.000 title claims abstract description 13
- 238000007789 sealing Methods 0.000 title claims abstract description 10
- 239000010409 thin film Substances 0.000 title claims abstract description 10
- 238000000034 method Methods 0.000 title claims description 5
- 230000001681 protective effect Effects 0.000 title claims description 3
- 239000011521 glass Substances 0.000 claims abstract description 45
- 239000000853 adhesive Substances 0.000 claims abstract description 37
- 239000000758 substrate Substances 0.000 claims abstract description 6
- 230000001070 adhesive effect Effects 0.000 claims description 29
- 238000002347 injection Methods 0.000 claims description 18
- 239000007924 injection Substances 0.000 claims description 18
- 230000035699 permeability Effects 0.000 claims description 9
- 229920005989 resin Polymers 0.000 abstract description 12
- 239000011347 resin Substances 0.000 abstract description 12
- 239000003822 epoxy resin Substances 0.000 abstract description 6
- 229920000647 polyepoxide Polymers 0.000 abstract description 6
- 230000006866 deterioration Effects 0.000 abstract description 2
- 238000000016 photochemical curing Methods 0.000 abstract 1
- 239000005357 flat glass Substances 0.000 description 4
- 229920002545 silicone oil Polymers 0.000 description 4
- 239000003989 dielectric material Substances 0.000 description 3
- 230000002950 deficient Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000005684 electric field Effects 0.000 description 2
- 238000005566 electron beam evaporation Methods 0.000 description 2
- 239000010408 film Substances 0.000 description 2
- 239000012530 fluid Substances 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 125000006850 spacer group Chemical group 0.000 description 2
- 229910005091 Si3N Inorganic materials 0.000 description 1
- 239000005388 borosilicate glass Substances 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 238000005530 etching Methods 0.000 description 1
- 210000004709 eyebrow Anatomy 0.000 description 1
- 239000004519 grease Substances 0.000 description 1
- 230000020169 heat generation Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000008188 pellet Substances 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 239000005060 rubber Substances 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
- 238000004544 sputter deposition Methods 0.000 description 1
- 229920005992 thermoplastic resin Polymers 0.000 description 1
- 238000009736 wetting Methods 0.000 description 1
Abstract
Description
【発明の詳細な説明】
く産業上の利用分野〉
本発明は交流電界型の］ｌｉＥＬ素子を使用した薄膜Ｅ
Ｌパネルの保護液封止方法に関する。[Detailed description of the invention] Industrial application field> The present invention is directed to a thin film E using an AC electric field type LiEL element.
This invention relates to a protective liquid sealing method for an L panel.
〈従来の技術〉
従来の交流電界型薄膜ＥＬパネルは、第５図並びに第６
図に示すように構成されている。<Prior art> Conventional AC electric field type thin film EL panels are as shown in Figures 5 and 6.
It is configured as shown in the figure.
即ち、弟５図に示す薄膜ＥＬパネルは、ガラス基板１上
に、Ｉｎ２０２又はＳＩ１０２等からなる多数の平行な
帯状の透明電極２を設け、更に該透明電極２の上に、Ｙ
２０．，Ｔｉ○２，Ａｆ２０：ｎＳｉ＊Ｎ．，Ｓｉ０２
等の何れかから選んだ第１の誘電体層１３をスパッタリ
ング法又は電子ビーム蒸着法等によって形成すると共に
、該ｆｊＳｉの誘電体層１３の上面にＺｎＳ：Ｍｎ焼結
ペレットを電子ビーム蒸着法により形成せしめたＺｎＳ
発光Ｗｉ１４を掩うように前記第１の誘電体層１３と同
材質の第２の誘電体層１５を形成する。そして、該１２
の誘電体ＷＪ１５の」二にＡ１からなる多数の平行な帯
状の背面電極１６を前記透明電極２と交叉する方向に蒸
着形成され、両電極２と１６間に交流電源】７を接続し
て駆動するようにしている。そして、」二記薄膜Ｅｌ．
パネルは、スペース７アクタの利点を生かした平面薄型
ディスプレイディバイスとして広く文字、記号、各種画
像等の表示に利用されているが、しかし、この場合には
、第１、＠２の誘電体１１３．１５によって発光層１４
を積層構成する際に発生した多数のピンホールやマイク
ロクラック等を含み、これらの欠陥部を通じて発光層１
４内に湿気が侵入し易く、これが原因でＥＬ発光損失に
よって発熱や眉間剥離、その他素子特性の劣化等を招米
する欠点があった。That is, the thin film EL panel shown in FIG.
20. , Ti○2, Af20:nSi*N. ,Si02
A first dielectric layer 13 selected from the above is formed by sputtering or electron beam evaporation, and ZnS:Mn sintered pellets are formed on the upper surface of the fjSi dielectric layer 13 by electron beam evaporation. ZnS formed
A second dielectric layer 15 made of the same material as the first dielectric layer 13 is formed so as to cover the light emission Wi 14. And the 12th
A large number of parallel strip-shaped back electrodes 16 made of A1 are deposited on the dielectric WJ15 in a direction intersecting the transparent electrode 2, and an AC power source 7 is connected between both electrodes 2 and 16 to drive the electrodes. I try to do that. And, “2nd Thin Film El.
The panel is widely used as a flat thin display device that takes advantage of the Space 7 Actor to display characters, symbols, various images, etc. However, in this case, the first and second dielectrics 113. Luminescent layer 14 by 15
The light-emitting layer 1
Moisture easily enters the inside of the device, which causes heat generation, peeling between the eyebrows, and other deterioration of device characteristics due to loss of EL light emission.
そこで、」二記欠陥に対処する手段として第６図に示す
ものがある。Therefore, there is a method shown in FIG. 6 as a means to deal with the defect described in "2".
即ち、第６図はガラス基板１」二に多数の平行な帯状の
透明電極２を形成すると共１こ、該透明電極２上に第１
の誘電体層１３と、ＺｎＳ発光層１４と、Ｓｉ３Ｎ．膜
並びにＡ１２０３膜からなる第２の誘電体層１５とが順
次に積層形成され、該誘電体層１５上には多数の平行な
帯状の背面電極１６を前記透明電極２に対し交叉する方
向に設けている。That is, in FIG. 6, a large number of parallel band-shaped transparent electrodes 2 are formed on a glass substrate 1''2, and a first layer is formed on the transparent electrodes 2.
dielectric layer 13, ZnS light emitting layer 14, Si3N. The film and a second dielectric layer 15 made of A1203 film are sequentially laminated, and on the dielectric layer 15, a large number of parallel strip-shaped back electrodes 16 are provided in a direction crossing the transparent electrode 2. ing.
そして、前記透明電極２上には、第１の誘電体層１３、
発光［１４、第２の誘電体ｉ１５及び背面電極１６を囲
んでスペーサ１８を設け、その上に背面ガラス板３ａを
接着剤１９によって＃．着することにより、透明電極２
、スペーサ１８、背面ガラス板３ａによって空隙４ａを
形成し、該空隙４ａ内に背面ガラス板３ａに穿設した１
個乃至複数個の注入孔５からシリコンオイル、グリース
等の流体（浸潤液）を充填したにおける不良品の発生を
少なくすると共に、性能の安定した製品を提供しようと
するものである。Then, on the transparent electrode 2, a first dielectric layer 13,
Light emission [14] A spacer 18 is provided surrounding the second dielectric material i15 and the back electrode 16, and a back glass plate 3a is attached thereon with an adhesive 19. By attaching the transparent electrode 2
A gap 4a is formed by the spacer 18 and the back glass plate 3a, and a hole 1 bored in the back glass plate 3a is formed in the gap 4a.
The purpose is to reduce the occurrence of defective products when fluid (wetting liquid) such as silicone oil or grease is filled through one or more injection holes 5, and to provide products with stable performance.
〈課題を解決するための手段〉
ガラス基板上の透明電極と背面ガラス板とで囲まれた空
隙内へ浸潤液を導くようにした注入孔部において、背面
ガラス板と、該背面ガラス板上におかれるガラスキャッ
プとのなす間隙に、注入孔を基点にしで透湿係数の小さ
い接着剤と速硬性のｖＡ着剤とを配置して前記ガラスキ
ャップを接着するようにしでなる。<Means for Solving the Problems> In an injection hole portion that guides the infiltrating liquid into a gap surrounded by a transparent electrode on a glass substrate and a back glass plate, An adhesive with a small moisture permeability coefficient and a fast-curing vA adhesive are placed in the gap between the glass cap and the glass cap, starting from the injection hole, to adhere the glass cap.
く作用〉
背面ガラス板上ｌこ設けた浸潤液注入孔を透湿係数の小
さい接着剤と速硬性の接着剤とによりガラスキャップを
接着するようにしたので、先ず速硬性の接着剤によりガ
ラスキャップを速やかに固定し、その後透湿係数の小さ
い接着剤が硬化して湿気の侵入を阻むように作用する。Effect〉 The glass cap is attached to the infiltrating liquid injection hole provided on the rear glass plate using an adhesive with a small moisture permeability coefficient and a fast-curing adhesive. After that, the adhesive with a low moisture permeability coefficient hardens and acts to prevent moisture from entering.
〈実施例〉
以下、本発明について図面一二示す実施例により詳細に
説明すると、ｆ５１図に示すようにガラス基後、該注入
孔５の外側に紫外線硬化ａｔ脂又はエボキシ樹脂等の樹
脂接着剤９を介して平板ガラスキャップ１１を貼着する
ことにより注入孔を封１１−シ、注入流体がピンホール
やマイクロクラックに起因する問題点の解決を図ってい
る。<Example> Hereinafter, the present invention will be described in detail with reference to an example shown in FIG. By pasting a flat glass cap 11 through the hole 9, the injection hole is sealed 11--to solve problems caused by pinholes and micro-cracks in the injection fluid.
〈発明が解決しようとする課題〉
しかし、平板ガラスキャップで注入孔を封入する場合、
紫外線硬化樹脂製の接着剤９を使用すると、作業性は良
いが透湿係数がエポキシ０｛脂に比べて大きいために水
分がＷｉｖ．ＥＬ、層内−＼侵入し易く、信頼性が低下
する。<Problem to be solved by the invention> However, when enclosing the injection hole with a flat glass cap,
When adhesive 9 made of ultraviolet curing resin is used, workability is good, but the moisture permeability coefficient is 0 (Wiv. EL, easy to penetrate into layers, reducing reliability.
又、上記接着剤９をエボキシ樹脂とした場合には、透湿
係数が小さく信頼性は高いが硬化反応時に急激に粘性が
低下し、流動性を増すのでＥＬパネルの作業治艮が僅か
でも傾斜していると平板ガラスキャップがずれて位置不
良を生しるので、こうしたキャップの位置不良をなくす
には前記作業治具の水平度の管理が必要となり経費高と
なるなどの欠点があった，，
本考案は拘わる上記欠点の解決を図り、作業時板１上に
多数の平行な帯状の透明電極２を設けると共に、該透明
電極２Ｊ．には該電極領域より小面積のＥＬ素子７を設
置する。但し、ここでＥＩ一索子７は、従来例における
ように発光層１４が第１、第２の誘電体Ｗｉ１３，１５
によって包囲されると共に第２の誘電体層１５上に透明
電極２と交叉する方向に多数の平行な背面電極１６を設
けて構成したものを包括的に示すものとする。そして、
該透明電極２及び〃ラス基板１（ａ子状であるから両方
に接する）上には、該ＥＬ素子７を充分掩うに足りる大
トさで深さ約１［＋ｏ／＋ｏｌの空隙４をサンドエッチ
ング等により形成したソーグ〃ラス又は硼硅酸〃ラスな
どよりなる背面ガラス板３を光硬化性樹脂又はエボキシ
樹脂等により接着される。該背面ガラス板３上には直径
３−１０［ｍ／ｍｌ、深さ約１ ［ｍ／ｍ］の注入孔５
が穿設されており、該注入孔５の外面には適当な′Ｒさ
の座削孔６を形成し、該注入孔５に浸潤液注入用の金属
製パイプ８の先端を挿入固着する。In addition, when the adhesive 9 is made of epoxy resin, the moisture permeability coefficient is small and the reliability is high, but the viscosity decreases rapidly during the curing reaction and the fluidity increases, so that the working conditions of the EL panel may be tilted even slightly. If this is done, the flat glass cap will shift and cause poor positioning, so in order to eliminate such bad positioning of the cap, it is necessary to control the levelness of the work jig, which has the disadvantage of increasing costs. The present invention aims to solve the above-mentioned drawbacks, and provides a large number of parallel band-shaped transparent electrodes 2 on the plate 1 during operation, and the transparent electrodes 2J. An EL element 7 having a smaller area than the electrode area is installed. However, in the EI single element 7, the light emitting layer 14 is made of the first and second dielectric materials Wi13, 15 as in the conventional example.
This comprehensively shows a configuration in which a large number of parallel back electrodes 16 are provided on the second dielectric layer 15 in a direction intersecting with the transparent electrode 2 and surrounded by the transparent electrode 2 . and,
On the transparent electrode 2 and the lath substrate 1 (which is in contact with both because it is in the shape of an a-diaphragm), a gap 4 of approximately 1[+o/+ol] in depth is sandwiched with a thickness sufficient to cover the EL element 7. A back glass plate 3 made of sorg glass or borosilicate glass formed by etching or the like is bonded with a photocurable resin or epoxy resin. On the back glass plate 3, there is an injection hole 5 with a diameter of 3-10 [m/ml] and a depth of about 1 [m/m].
A seat hole 6 of an appropriate radius is formed on the outer surface of the injection hole 5, and the tip of a metal pipe 8 for injecting the infiltrating liquid is inserted and fixed into the injection hole 5.
次に、該注入用パイプ８の他端は最初に吸気装置（図示
せず）と接続されており、吸気装置を動作することによ
り背面ガラス板３の空隙４内にある空気を−・旦吸気し
て排除することにより内部を真空状態になし、次いで該
注入パイプの吸気装置部をシリコンオイル槽内に切換接
続して常圧状態にすることにより槽内のシリコンオイル
は空隙４内が外部に対し陰圧となっているがら空隙４内
に吸入される。Next, the other end of the injection pipe 8 is first connected to an intake device (not shown), and by operating the intake device, the air present in the gap 4 of the rear glass plate 3 is sucked. Then, the suction device of the injection pipe is connected to the silicone oil tank to create a normal pressure state, so that the silicone oil in the tank is removed from the gap 4 to the outside. On the other hand, it is sucked into the cavity 4 even though the pressure is negative.
こうして、該空隙４内にシリコンオイルを注入口終えた
時、直ちに第２図に示すよう１こ注入パイブ８の背面ガ
ラス板３と接続する部分、即ち座削孔６内において該パ
イプ８を圧搾して狭搾部８゛を形成し、次にバイプ８を
この部分から切断することにより仮封止する。この時、
パイプの残片８”の外端が次の作業との関係で背面ガラ
ス板３の外面より十分低いことが重要で、座削孔６内に
おいて該残片８゛の外端部をエボキシ系樹脂又は光硬化
性樹脂等の接着剤９により掩って封止し、この時の硬化
性樹脂接着剤９の仕上がり状態が、背面ガラス板３の表
面より突出しないことである。In this way, when the silicone oil is injected into the gap 4, the pipe 8 is immediately squeezed in the part connected to the back glass plate 3 of the injection pipe 8, that is, in the counterbore hole 6, as shown in FIG. A narrowed portion 8' is formed, and then the pipe 8 is cut from this portion for temporary sealing. At this time,
It is important that the outer end of the remaining piece 8" of the pipe is sufficiently lower than the outer surface of the rear glass plate 3 in relation to the next work, and the outer end of the remaining pipe 8" is coated with epoxy resin or light It is sealed by covering with an adhesive 9 such as a curable resin, and the finished state of the curable resin adhesive 9 at this time should not protrude from the surface of the back glass plate 3.
侵入するのを防止するのに役立てることができる。It can help prevent intrusions.
く発明の効果〉
本発明は、上述のように枯成されるので例え透湿係数が
大きくても、速硬性のある樹脂接着剤を使用して仮止め
しているので透湿係数の小さい樹脂接着剤が硬化するま
での間の早い時期にガラスキャップが固定される。従っ
て、ガラスキャップが位置ずれすることなく確実に所定
位置に貼着される。Effects of the Invention As described above, even if the moisture permeability coefficient is large due to drying, the present invention uses a fast-curing resin adhesive to temporarily fix the resin, so even if the moisture permeability coefficient is high, the resin adhesive with a small moisture permeability coefficient The glass cap is fixed early until the adhesive hardens. Therefore, the glass cap can be reliably attached to a predetermined position without being displaced.
又、こうした確実な封止作業が可能となることにより製
作上の不良部品が少なく、歩留まり良く、しかも確実な
封止ができるので長期に亘る品質の安定をも保たせるこ
とができるなど特有の効果を有する。In addition, by being able to perform such reliable sealing work, there are fewer defective parts during manufacturing, and the yield is high, and since reliable sealing can be performed, quality stability can be maintained over a long period of time. has.
第１図乃至第４図は、本発明の実施例を示し、第１図、
第２図及び第３図は、それぞれ封止作業の一連の流れを
示す要部縦断側面図、第４図は、完了状態の要部拡大縦
断面図、第５図及び第６図は、従来例を示し、
次に、背面ガラス板３の座削孔６上には、円形又は四角
その他多角形等任意形状の平板ガラスキャップ１１（そ
の他、プラスチック、セラミック、金属、ゴムなど何れ
でも良いが、本例では背面ガラス板との接着性能を考慮
してガラスを使用）を被せる。この場合、背面ガラス板
３かガラスキャップ１１の何れかの面に、予めエボキシ
系樹脂接着剤１０と、瞬間接着剤あるいは熱可塑性樹脂
接着剤又は紫外線硬化樹脂接着剤等の何れかから選択し
た仮止用接着剤１２とを同時に塗布してから添設する。
尚、その他の接着手順としては、最初にガラスキャップ
１１を仮止用接着剤１２によって仮設した後、浸透性の
良いエボキシ系樹脂接着剤１０を毛細管現象によって侵
入させることもできる。
その他、上記のように種類の異なる仮止用の接着剤１２
と本付用の接着剤１０を使用しているので両接着剤が最
初に混合するのを防ぐためにガラスキャップ１１の背面
ガラス板３と相対する面の周辺エツヂを斜面１１゛とす
ることにより、樹脂の表面張力により仮土用の接着剤１
２が本イ」用の接着剤１０内へｆｊｓ Ｓ図は、薄膜Ｅ
Ｌパネルの拡大縦断側面図、第６図は、同上他の薄膜Ｅ
Ｌパネルの拡大縦断側面図である。
１・・・ガラス基板
３・・・背面ガラス板
５・・・注入孔
７・・・ＥＬ素了
８゛・・・狭搾部
９・・・接着剤
１１・・・ガラスキャッ７
２・・・透明電極
４ ・空隙
６・・・座制孔
８・・・注入パイプ
８″・・・残片
１０．１２・・・接着剤1 to 4 show embodiments of the present invention, and FIG.
2 and 3 are longitudinal sectional side views of the main parts showing a series of sealing operations, respectively. FIG. 4 is an enlarged longitudinal sectional view of the main parts in a completed state. FIGS. 5 and 6 are conventional An example will be shown.Next, on the seat hole 6 of the back glass plate 3, a flat glass cap 11 of any shape such as circular, square, or polygon (other shapes such as plastic, ceramic, metal, rubber, etc. may be used). In this example, glass is used in consideration of the adhesion performance with the rear glass plate). In this case, a temporary adhesive selected from epoxy resin adhesive 10, instant adhesive, thermoplastic resin adhesive, ultraviolet curing resin adhesive, etc. is applied to either the back glass plate 3 or the glass cap 11 in advance. The fixing adhesive 12 is applied at the same time and attached. As another bonding procedure, the glass cap 11 may be temporarily attached using the temporary fixing adhesive 12, and then the highly permeable epoxy resin adhesive 10 may be penetrated by capillary action. In addition, as mentioned above, different types of temporary adhesives 12
Since the adhesive 10 for attaching the book is used, in order to prevent both adhesives from mixing initially, the peripheral edge of the surface of the glass cap 11 facing the rear glass plate 3 is made to have an inclined surface 11. Adhesive 1 for temporary soil due to the surface tension of resin
Figure 2 shows the thin film E.
An enlarged longitudinal cross-sectional side view of the L panel, FIG.
FIG. 3 is an enlarged longitudinal sectional side view of the L panel. 1...Glass substrate 3...Back glass plate 5...Injection hole 7...EL finish 8゛...Narrowed part 9...Adhesive 11...Glass cap 7 2... - Transparent electrode 4 - Gap 6... Seat hole 8... Injection pipe 8''... Remaining piece 10.12... Adhesive
Claims (1)
た空隙内にＥＬ素子を保持してなる薄膜ＥＬパネルにお
いて、該背面ガラス板に穿設した浸潤液注入孔部と、該
背面ガラス板上におかれるガラスキャップとのなす間隙
に、前記注入孔を基点にして透湿係数の小さい接着剤と
速硬性の接着剤とを配置して前記ガラスキャップを接着
するようにしてなる薄膜ＥＬパネルの保護液封止方法。1. In a thin-film EL panel in which an EL element is held in a gap surrounded by a transparent electrode on a glass substrate and a rear glass plate, an infiltrating liquid injection hole formed in the rear glass plate and an infiltrating liquid injection hole on the rear glass plate are provided. A thin film EL panel in which an adhesive with a small moisture permeability coefficient and a fast-curing adhesive are placed in the gap formed between the glass cap and the glass cap, with the injection hole as a starting point, to adhere the glass cap. Protective liquid sealing method.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1114849A JPH07105271B2 (en) | 1989-05-08 | 1989-05-08 | Method of sealing protective liquid for thin film EL panel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1114849A JPH07105271B2 (en) | 1989-05-08 | 1989-05-08 | Method of sealing protective liquid for thin film EL panel |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH02293713A true JPH02293713A (en) | 1990-12-04 |
| JPH07105271B2 JPH07105271B2 (en) | 1995-11-13 |
Family
ID=14648249
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1114849A Expired - Fee Related JPH07105271B2 (en) | 1989-05-08 | 1989-05-08 | Method of sealing protective liquid for thin film EL panel |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH07105271B2 (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2015057658A (en) * | 2000-04-19 | 2015-03-26 | 株式会社半導体エネルギー研究所 | Light-emitting device |
| WO2015100201A1 (en) * | 2013-12-24 | 2015-07-02 | Amerlux Llc | Systems and methods for retrofitting existing lighting systems |
| JP2015132835A (en) * | 2000-07-27 | 2015-07-23 | 株式会社半導体エネルギー研究所 | display device |
| EP3355371A4 (en) * | 2015-09-24 | 2019-07-24 | Feng Li | Liquid-filled led lamp |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6267498U (en) * | 1985-10-17 | 1987-04-27 | ||
| JPS63174195U (en) * | 1988-04-27 | 1988-11-11 |
-
1989
- 1989-05-08 JP JP1114849A patent/JPH07105271B2/en not_active Expired - Fee Related
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6267498U (en) * | 1985-10-17 | 1987-04-27 | ||
| JPS63174195U (en) * | 1988-04-27 | 1988-11-11 |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2015057658A (en) * | 2000-04-19 | 2015-03-26 | 株式会社半導体エネルギー研究所 | Light-emitting device |
| US9443461B2 (en) | 2000-04-19 | 2016-09-13 | Semiconductor Energy Laboratory Co., Ltd. | Electronic device and method of driving the same |
| JP2017117795A (en) * | 2000-04-19 | 2017-06-29 | 株式会社半導体エネルギー研究所 | Light emitting device |
| JP2015132835A (en) * | 2000-07-27 | 2015-07-23 | 株式会社半導体エネルギー研究所 | display device |
| US9489884B2 (en) | 2000-07-27 | 2016-11-08 | Semiconductor Energy Laboratory Co., Ltd. | Method of driving display device |
| WO2015100201A1 (en) * | 2013-12-24 | 2015-07-02 | Amerlux Llc | Systems and methods for retrofitting existing lighting systems |
| US9797585B2 (en) | 2013-12-24 | 2017-10-24 | Amerlux Llc | Systems and methods for retrofitting existing lighting systems |
| EP3355371A4 (en) * | 2015-09-24 | 2019-07-24 | Feng Li | Liquid-filled led lamp |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH07105271B2 (en) | 1995-11-13 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| LAPS | Cancellation because of no payment of annual fees |