JPS5919925A - Manufacture of two-layer type liquid crystal cell - Google Patents
Manufacture of two-layer type liquid crystal cellInfo
- Publication number
- JPS5919925A JPS5919925A JP12966082A JP12966082A JPS5919925A JP S5919925 A JPS5919925 A JP S5919925A JP 12966082 A JP12966082 A JP 12966082A JP 12966082 A JP12966082 A JP 12966082A JP S5919925 A JPS5919925 A JP S5919925A
- Authority
- JP
- Japan
- Prior art keywords
- liquid crystal
- cell
- glass substrate
- glass substrates
- cells
- 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
Classifications
-
- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/1333—Constructional arrangements; Manufacturing methods
- G02F1/133351—Manufacturing of individual cells out of a plurality of cells, e.g. by dicing
Abstract
Description
【発明の詳細な説明】
本発明は３枚のガラス基板を使用する２層式液晶セルの
製造方法に関するものであり、特に定められだ大きさの
ガラス基板に面付けされた１個または複数個の液晶セル
に液晶を注入する場合に、個々の液晶セルまたは個々の
液晶セルに分割してから注入するのではなく、最初のガ
ラス基板の大きさのままセル群に対し同時的に注入した
後で個個の液晶セルに分割する方法に関する。DETAILED DESCRIPTION OF THE INVENTION The present invention relates to a method for manufacturing a two-layer liquid crystal cell using three glass substrates, and particularly relates to a method for manufacturing a two-layer liquid crystal cell using three glass substrates. When injecting liquid crystal into a liquid crystal cell, instead of injecting liquid crystal into each individual liquid crystal cell or dividing it into individual liquid crystal cells, it is injected simultaneously into a group of cells while keeping the original size of the glass substrate. Regarding the method of dividing into individual liquid crystal cells.
本発明の実施を添付図面に従って具体的に説明する。図
面はガラス基板に２個の液晶セルをガラス基板の長手方
向に対し横に並列させた場合の説明図である。The implementation of the present invention will be specifically described with reference to the accompanying drawings. The drawing is an explanatory diagram of a case where two liquid crystal cells are arranged horizontally in parallel with respect to the longitudinal direction of the glass substrate on a glass substrate.
第１図は３枚のガラス基板の位置関係を示し、上からＡ
、ＢおよびＣとする。各ガラス基板の上面をそれぞれＡ
Ｉ ＋ ”ｌおよびＣ１とし、下面をそれぞれＡ２ ＋
Ｂ２およびＣ２と称することにする。Figure 1 shows the positional relationship of three glass substrates.
, B and C. The top surface of each glass substrate is A
I + "l and C1, and the bottom surface is A2 +
They will be referred to as B2 and C2.
第２図（ａｌおよび第２図（ｃ）はそれぞれガラス基板
ＡのＡ２面、すなわちその内側面およびガラス基板Ｃの
Ｃ，面、す力わちその内側面の平面図である。FIG. 2 (al) and FIG. 2 (c) are respectively plan views of the A2 surface of the glass substrate A, that is, its inner surface, and the C, surface of the glass substrate C, that is, its inner surface.
各面上には図に示すようにシール用接着剤でガラス基板
の長手方向に並んだ２個のセルを区画するパターン１と
、セル部分を外部から遮断する補助室７とを区画するよ
うに印刷塗布されている。このパターン１は３枚のガラ
ス基板が重ねられて一体に接着されたときに、液晶の注
入孔３、液晶室４および補助室７が形成されるようにＡ
２面とＣ１面は対称図形となっている。液晶注入孔３と
第１の液晶室４との間および第１の液晶室４と第２の液
晶室４′との間には液晶を連続的に注入させるだめの連
通孔５および５′が設けられ、第２（または最終）のセ
ルの末端部には補助排気孔６が設けられて補助室７と連
通している。As shown in the figure, on each surface, a pattern 1 is used to partition two cells arranged in the longitudinal direction of the glass substrate using sealing adhesive, and an auxiliary chamber 7 is formed to block the cell part from the outside. Printing is coated. This pattern 1 is designed so that when three glass substrates are stacked and bonded together, a liquid crystal injection hole 3, a liquid crystal chamber 4, and an auxiliary chamber 7 are formed.
The 2nd plane and the C1 plane are symmetrical figures. Communication holes 5 and 5' are provided between the liquid crystal injection hole 3 and the first liquid crystal chamber 4 and between the first liquid crystal chamber 4 and the second liquid crystal chamber 4' for continuously injecting liquid crystal. An auxiliary exhaust hole 6 is provided at the end of the second (or final) cell and communicates with an auxiliary chamber 7.
第２図（ｂｌはガラス基板Ｂの平面図であって、その−
面には第２図（１／ｌのＸ−Ｘ線断面図に示すような要
領でスクライブ線８があらかじめ刻み込まれている。こ
のスクライブ線８は３枚のガラス基板を重ね合せた後で
セルの分割を容易とするためのものである。この場合、
スクライブ線は取扱い中に破断の原因とならないように
ガラス板端縁まで延長させないことが好ましい。FIG. 2 (bl is a plan view of the glass substrate B, and its -
A scribe line 8 is pre-engraved on the surface as shown in Figure 2 (1/l cross-sectional view taken along the line X-X).The scribe line 8 is cut into the cell after the three glass substrates are stacked together. This is to facilitate the division of.In this case,
It is preferable that the scribe line does not extend to the edge of the glass plate so as not to cause breakage during handling.
このようにし−〔各ガラス基板が調製されると、これら
を重ね合せたとき第３図に示す状態となる。When each glass substrate is prepared in this way, the state shown in FIG. 3 is obtained when they are stacked on top of each other.
図に示されたーーーーー線はシール用接着剤で印刷され
たパターンであり、−一一一一線はＢ、面に設けである
スクライブ線を表わす。第３図（ａ）は２−２線の断面
図であるが、図示されているように、ガラス基板Ｂには
スクライブ線の刻み目部分があるため、仮りに前記補助
排気孔６を設けずに閉塞してもこの刻み目を介して液晶
室の内外にリークを生じる。The lines shown in the figure are patterns printed with adhesive for sealing, and the lines -1111 represent scribe lines provided on the surface B. FIG. 3(a) is a cross-sectional view taken along the line 2-2. As shown in the figure, since the glass substrate B has a notched portion of the scribe line, it is assumed that the auxiliary exhaust hole 6 is not provided. Even if it is blocked, leakage will occur in and out of the liquid crystal chamber through this notch.
したがって本発明では第２図（ａ）あるいは第２図（Ｃ
）に示すように、ガラス基板Ｂに設けたスクライブ線の
外側に補助シール部２をおいて補助室７を形成すること
によって、積層ガラス基板のままで真空、排気、注入を
可能とさせたのである。また、この補助排気孔６は真空
不足などによって液晶室内に気泡が発生する場合の気泡
追い出し孔の役割を果す。Therefore, in the present invention, FIG. 2(a) or FIG. 2(C)
), by placing the auxiliary seal part 2 on the outside of the scribe line provided on the glass substrate B to form the auxiliary chamber 7, vacuum, evacuation, and injection were made possible with the laminated glass substrate as it is. be. Further, this auxiliary exhaust hole 6 serves as a bubble expulsion hole when bubbles are generated in the liquid crystal chamber due to lack of vacuum or the like.
シール用接着剤の加熱硬化によって基体ガラス板が相互
に接着固定され、第３図に示す相互関係が確立すれば、
生成するガラス基板積層体は１個の液晶注入孔と２個の
液晶室が面付された定められたガラス基板の大きさの１
まの構造体と７る。When the base glass plates are bonded and fixed to each other by heat curing of the sealing adhesive and the mutual relationship shown in FIG. 3 is established,
The resulting glass substrate laminate is a glass substrate of a specified size with one liquid crystal injection hole and two liquid crystal chambers.
The structure of the structure and 7.
液晶セルに対する液晶の注入は上記の積層構造体を真空
槽中におき構造体中の空気を排気した彼、積層体の隅角
部にある注入孔を液晶浴に浸漬して檜を常圧に戻すこと
によって達成される。To inject liquid crystal into the liquid crystal cell, he placed the above laminated structure in a vacuum chamber and exhausted the air in the structure, then immersed the injection hole in the corner of the laminated body in a liquid crystal bath and brought the cypress to normal pressure. This is achieved by returning.
液晶注入完了後、ガラス基板積層構造体の上面、すなわ
ちＡ１面と、下面すなわちＣ２面に対して第４図に示す
スクライブ線９を刻印する。ガラス基板Ａ、ＢおよびＣ
のそれぞれに刻印されたスクライブ線８および９の相関
関係は第４図に示した通りである。次にこれらのスクラ
イブ線に沿って歪力を加えて分割すれば、個々の液晶セ
ルを製造することができる。分割によって開放されてい
る注入孔あるいは連通孔は封止用接着剤１０で封止する
と２個の液晶セルが完成する。After the liquid crystal injection is completed, scribe lines 9 shown in FIG. 4 are marked on the upper surface, that is, the A1 surface, and the lower surface, that is, the C2 surface, of the glass substrate laminated structure. Glass substrates A, B and C
The correlation between the scribe lines 8 and 9 stamped on each is as shown in FIG. Next, by applying a strain force along these scribe lines and dividing it, individual liquid crystal cells can be manufactured. The injection hole or communication hole opened by the division is sealed with a sealing adhesive 10 to complete two liquid crystal cells.
本発明方法による２層式液晶セルの製造方法は、予かし
め定めた一定の大きさのガラス基板を用い、基板上に１
個捷たは複数個の液晶セル室を面付けし、そのガラス基
板の大きさのままで液晶を注入させ、注入稜、複数個の
セルの場合はこれを個々に分割するものであるから、分
割後に液晶を注入する場合に較べ（イ）取扱うガラス板
の大きさが常に一定であり、液晶の注入のだめのカセッ
トは１ｓ類用意すれば足り作業能率が高いこと、（ロ）
個々のセルの注入孔が注入完了号で露出されないので注
入孔の汚れを防止すること、（ハ）個々のセルの注入孔
が液晶ボートに浸漬されないので分割面を含む外部に液
晶が付着せず、最終封止作業が確実、容易であるという
利点がある。The method of manufacturing a two-layer liquid crystal cell according to the method of the present invention uses a glass substrate of a predetermined size, and one layer is placed on the substrate.
Individual or multiple liquid crystal cell chambers are placed on the surface, and liquid crystal is injected into the glass substrate while maintaining its size, and in the case of multiple cells, the liquid crystal is divided into individual cells at the injection edge. Compared to the case where the liquid crystal is injected after dividing, (a) the size of the glass plate to be handled is always constant, and the work efficiency is high as only one cassette for liquid crystal injection is sufficient; (b)
(c) The injection holes of individual cells are not exposed when the injection is complete, so the injection holes are prevented from getting dirty; (c) The injection holes of each cell are not immersed in the liquid crystal boat, so liquid crystal does not adhere to the outside including the dividing surface. , the final sealing work is reliable and easy.
更に本発明方法においては、セルの面付けに際して、特
に補助シール部による補助室との間にこれに連通する補
助排気孔を設けたので、液晶室の外部の補助室の排気を
一層確実、迅速に行ない得る。Furthermore, in the method of the present invention, when mounting the cell, an auxiliary exhaust hole communicating with the auxiliary chamber is provided between the auxiliary seal section and the auxiliary chamber, so that the auxiliary chamber outside the liquid crystal chamber can be exhausted more reliably and quickly. You can go to
なお、上記実施例は３枚のガラス基板を重ねて作る２層
式液晶セルについて述べたが、４枚以上のガラス板を重
ねる多層液晶セルの製造にも応用しうるものである。Although the above embodiment describes a two-layer liquid crystal cell made by stacking three glass substrates, the present invention can also be applied to the production of a multilayer liquid crystal cell made by stacking four or more glass plates.
添付図面は本発明方法の実施の説明図であり、槙１図は
ガラス基板の重ね合せ状態を示す断面図。
第２図（、）および第２図（Ｃ）はガラス基板Ａおよび
Ｃの内側の面付ν）を、第２図（ｂｌおよび第２図（伯
はガラス基板Ｂのスクライブ線を示す。
第３図はガラス積層体におけるこれらの位置関係を示す
。
第４図は液、ＩＩＩ汁入彼行なうガラス基板ＡおよびＣ
に対するスクライブ線の相対位置を示す。
第５図は分割ｆｆ１Ｗ、成した個々の液晶セルを示す。
１・・・パターン；２・・・補助シール部；６・・・注
入孔；４．４′・・・液晶室； ５ 、５’・・・連通
孔：６・・・補助排気孔；７・・・補助’に８．９・・
・スクライブ線；１０・・・封止用接着剤。
特許出願人：スタンレー電気株式会社
代 理 人：弁理士海 津 保 三
同 ：弁理士 平 山 −室
間（
□□＝＝］■＝
第４図
改） 第５図
］
手続 袖 正 書（自発）
昭和５７年１１月２５日
特許庁長官 若杉和夫殿
１６ 事件の表示
昭Ｔｕ５７；１ 特 許 願 第１２９６６０８
２ 発明Ｏ名称 ２層式液晶セルの製造方法３ 補正
をする者
７１１件との関１．省 特許出願人
、７． ｌ Ｋ１・：「 東京都目黒区中目黒２丁目９
番１３号１″′÷１（拐ヅ＋；） （２３０）スタンレ
ー電気株式会社４ 代 理 人
６ 補正針こより増加ｊ−４）発明の数 なし７ 補正
の対象
を「第２図（ｄ）において同図（ｂ）のｊに訂正する０
（２）同書、第６頁第１４行の「完成する。」を「完成
する（第５図参照）。」に訂正する。
（３）同書、第８頁第１行ないし第８行の「 第２図（
ａ）および・・・・・液晶セルを示す。」を下記の通り
訂正する。
「 第２図（ａ）および第２図（ｃ）は、それぞれガラ
ス基板ＡおよびＣの内側の面付けを示す平面図、第２図
（ｂ）はガラス基板Ｂのスクライプ線を示す平面図、第
２図（ｄ）は第２図（ｂ）のＸ−Ｘ線における側断面図
。
第３図はガラス積層体における面付けとスクライプ線と
の位置関係を示す平面図、第３図（ａ）は第３図の２−
２線における側断面図。
第４図は液晶注入後行なうガラス基板ＡおよびＣに対す
るスクライプ線の相対位置を示す図。
第５図は分割後完成した個々の液晶セルを示す図である
。ｊ
（４）図面中、第３図（、）を別紙の通シ訂正する。
（５）図面中、「第２図（ｂ’） ｊの図番月を別紙朱
書きの通り「第２図（ｄ）」に訂正する。
（６）図面中、第３図を別紙朱書きの通り訂正する。
９ 添付書類の目録
（１）図 面（第３図（ａ） ） １通
（２）図面コピー（第２図（ｄｉ及び第３図） １
通第３図（ａ）
−Ｎ へ
−）′−＋さ
木 法 けThe accompanying drawings are explanatory diagrams for implementing the method of the present invention, and FIG. 1 is a cross-sectional view showing a state in which glass substrates are stacked. Figure 2 (,) and Figure 2 (C) show the inner facing ν) of glass substrates A and C, Figure 2 (bl) and Figure 2 (black) indicate the scribe line of glass substrate B. Figure 3 shows their positional relationship in the glass laminate.Figure 4 shows the glass substrates A and C into which the liquid and III liquid are added
Indicates the relative position of the scribe line. FIG. 5 shows individual liquid crystal cells formed by dividing ff1W. 1... Pattern; 2... Auxiliary seal part; 6... Injection hole; 4.4'... Liquid crystal chamber; 5, 5'... Communication hole: 6... Auxiliary exhaust hole; 7 ...Auxiliary '8.9...
- Scribe line; 10...Sealing adhesive. Patent Applicant: Stanley Electric Co., Ltd. Representative: Patent Attorney Kaizu Tamotsu: Patent Attorney Hirayama - Muroma (□□==]■= Revised Figure 4) Figure 5] Procedure ) November 25, 1980 Director-General of the Patent Office Kazuo Wakasugi 16 Indication of Case 1 Patent Application No. 1296608
2 Title of Invention O Method for manufacturing a two-layer liquid crystal cell 3 Relationship with 711 amendments 1. Ministry Patent Applicant, 7. l K1・: 2-9 Nakameguro, Meguro-ku, Tokyo
No. 13 1″′ ÷ 1 (Kaizu+;) (230) Stanley Electric Co., Ltd. 4 Agent 6 Correction needle Increased from this number j−4) Number of inventions None 7 The subject of the amendment is “Figure 2 (d) 0 (2) In the same book, page 6, line 14, "Complete." is corrected to "Complete (see Figure 5)." (3) “Figure 2 (
a) and...shows a liquid crystal cell. ” is corrected as follows. 2(a) and 2(c) are plan views showing the inner imposition of glass substrates A and C, respectively, FIG. 2(b) is a plan view showing the scribe line of glass substrate B, Fig. 2(d) is a side sectional view taken along the line X-X of Fig. 2(b). Fig. 3 is a plan view showing the positional relationship between the imposition and the scribe line in the glass laminate; ) is 2- in Figure 3.
A side sectional view along two lines. FIG. 4 is a diagram showing the relative positions of scribe lines with respect to glass substrates A and C after liquid crystal injection. FIG. 5 is a diagram showing individual liquid crystal cells completed after division. j (4) In the drawings, correct Figure 3 (,) in the attached sheet. (5) In the drawing, the drawing number month of ``Figure 2 (b') j is corrected to ``Figure 2 (d)'' as indicated in red on the attached sheet. (6) In the drawings, Figure 3 will be corrected as indicated in red on the attached sheet. 9 List of attached documents (1) Drawings (Figure 3 (a)) 1 copy (2) Copy of drawings (Figure 2 (di and Figure 3)) 1
Figure 3 (a) -N to)'-+Saki Hoke
Claims (4)
て各層間にセル枠を面付けして２層式液晶セルを製造す
る方法において、内側ガラス基板の一面に予定された数
のセルのサイズに対応するスクライブ線を予かしめ刻み
つけ、外側のガラス基板のそれぞれの内側面にシール用
接着剤を用いてセルの液晶室と液晶注入孔を形成するセ
ル枠線図を印刷すると同時に、上記内側ガラス基板のス
クライブ線とガラス基板の端縁部との中間に補助室を形
成するための線図を印刷し、これら３枚のガラス基板を
重ね合せて加熱接着させてガラス基板の一体積層体を形
成し、該積層体中に液晶を注入した彼、外層のガラス基
板にスクライブ線を刻んで個々のセルに分割することを
特徴とする２層式液晶セルの製造方法。(1) In a method of manufacturing a two-layer liquid crystal cell by stacking three glass substrates of a specified size and placing a cell frame between each layer, a predetermined number of cells are placed on one surface of the inner glass substrate. At the same time, a scribe line corresponding to the size of the cell is pre-scorched, and a cell frame diagram that forms the liquid crystal chamber and liquid crystal injection hole of the cell is printed using sealing adhesive on the inner surface of each of the outer glass substrates. A diagram for forming an auxiliary chamber is printed between the scribe line of the inner glass substrate and the edge of the glass substrate, and these three glass substrates are stacked and heat-bonded to form a single laminate of glass substrates. A method for manufacturing a two-layer liquid crystal cell, which comprises forming a laminate, injecting liquid crystal into the laminate, and carving scribe lines on an outer glass substrate to divide it into individual cells.
をガラス基板の長手方向に複数個のセルを並列する形に
形成し、その末端に位置する液晶注入孔と第１セルとの
間、各セルの間および最終端のセルと補助室との間にそ
れぞれ連通する連通孔部分を設けることを特徴とする特
許請求の範囲第１項記載の２層式液晶セルの製造方法。(2) The cell frame line diagram printed with a sealing adhesive is formed in the form of a plurality of cells arranged in parallel in the longitudinal direction of the glass substrate, and between the liquid crystal injection hole located at the end and the first cell. 2. The method of manufacturing a two-layer liquid crystal cell according to claim 1, wherein communicating hole portions are provided between each cell and between the final cell and the auxiliary chamber.
て刻みつけるスクライブ線を前記セル枠線図の連通孔部
分位置に相当して刻みつける、特許請求の範囲第２項記
載の２層式液晶セルの製造方法。(3) A two-layer liquid crystal cell according to claim 2, wherein a scribe line inscribed as a vertical line in the longitudinal direction of the inner glass substrate is inscribed corresponding to a position of a communication hole portion in the cell frame diagram. manufacturing method.
着剤で封止して外部と遮断する、特許請求の範囲第２項
記載の２層式液晶セルの製造方法。(4) The method for manufacturing a two-layer liquid crystal cell according to claim 2, wherein after dividing into individual cells, the communication hole portion is sealed with a sealing adhesive to isolate it from the outside.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12966082A JPS5919925A (en) | 1982-07-27 | 1982-07-27 | Manufacture of two-layer type liquid crystal cell |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12966082A JPS5919925A (en) | 1982-07-27 | 1982-07-27 | Manufacture of two-layer type liquid crystal cell |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5919925A true JPS5919925A (en) | 1984-02-01 |
| JPH0256650B2 JPH0256650B2 (en) | 1990-11-30 |
Family
ID=15014992
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP12966082A Granted JPS5919925A (en) | 1982-07-27 | 1982-07-27 | Manufacture of two-layer type liquid crystal cell |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5919925A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4849141A (en) * | 1985-12-27 | 1989-07-18 | Sumitomo Pharmaceuticals Company, Limited | Method for producing sustained release formulation |
| US5236704A (en) * | 1988-01-28 | 1993-08-17 | Sumitomo Pharmaceuticals Co., Ltd. | Controlled release formulation |
| EP1415959A1 (en) * | 2001-07-12 | 2004-05-06 | Mitsuboshi Diamond Industrial Co., Ltd. | Flat display panel and method of dividing the flat display panel |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5460951A (en) * | 1977-10-21 | 1979-05-16 | Sharp Corp | Production of display body cell |
| JPS5758120A (en) * | 1980-09-26 | 1982-04-07 | Casio Comput Co Ltd | Manufacture of electrooptical display cell |
| JPS5792309A (en) * | 1980-11-28 | 1982-06-08 | Sharp Corp | Manufacture of liquid crystal display element |
-
1982
- 1982-07-27 JP JP12966082A patent/JPS5919925A/en active Granted
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5460951A (en) * | 1977-10-21 | 1979-05-16 | Sharp Corp | Production of display body cell |
| JPS5758120A (en) * | 1980-09-26 | 1982-04-07 | Casio Comput Co Ltd | Manufacture of electrooptical display cell |
| JPS5792309A (en) * | 1980-11-28 | 1982-06-08 | Sharp Corp | Manufacture of liquid crystal display element |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4849141A (en) * | 1985-12-27 | 1989-07-18 | Sumitomo Pharmaceuticals Company, Limited | Method for producing sustained release formulation |
| US5236704A (en) * | 1988-01-28 | 1993-08-17 | Sumitomo Pharmaceuticals Co., Ltd. | Controlled release formulation |
| EP1415959A1 (en) * | 2001-07-12 | 2004-05-06 | Mitsuboshi Diamond Industrial Co., Ltd. | Flat display panel and method of dividing the flat display panel |
| EP1415959A4 (en) * | 2001-07-12 | 2006-07-05 | Mitsuboshi Diamond Ind Co Ltd | Flat display panel and method of dividing the flat display panel |
| US7439665B2 (en) | 2001-07-12 | 2008-10-21 | Mitsuboshi Diamond Industrial Co., Ltd. | Flat display panel and method of dividing the flat display panel |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0256650B2 (en) | 1990-11-30 |
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