JP2522816Y2 - Liquid crystal injection device - Google Patents
Liquid crystal injection deviceInfo
- Publication number
- JP2522816Y2 JP2522816Y2 JP1990040383U JP4038390U JP2522816Y2 JP 2522816 Y2 JP2522816 Y2 JP 2522816Y2 JP 1990040383 U JP1990040383 U JP 1990040383U JP 4038390 U JP4038390 U JP 4038390U JP 2522816 Y2 JP2522816 Y2 JP 2522816Y2
- Authority
- JP
- Japan
- Prior art keywords
- liquid crystal
- crystal filling
- crystal injection
- filling
- injection device
- 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 - Lifetime
Links
Description
【考案の詳細な説明】 〔産業上の利用分野〕 本考案は液晶注入装置に関し、特に表面張力と圧力差
を利用して基板間に液晶を注入する液晶注入装置に関す
る。DETAILED DESCRIPTION OF THE INVENTION [Industrial Application Field] The present invention relates to a liquid crystal injection device, and more particularly to a liquid crystal injection device for injecting liquid crystal between substrates using surface tension and pressure difference.
第３図に液晶注入前の液晶素子の断面図を示す。第３
図に示すように、液晶注入前の液晶素子は、電極11aを
設けたガラス基板10aと、電極11bを設けたガラス基板10
bとをシール12により内部に間隙13を残すように接着さ
れた構造となっている。FIG. 3 shows a sectional view of the liquid crystal element before liquid crystal injection. Third
As shown in the figure, a liquid crystal element before liquid crystal injection has a glass substrate 10a provided with an electrode 11a and a glass substrate 10 provided with an electrode 11b.
b is adhered by a seal 12 so as to leave a gap 13 inside.
この間隙13に液晶を注入する装置が液晶注入装置であ
る。A device for injecting liquid crystal into the gap 13 is a liquid crystal injection device.
ここで、ガラス基板10a及び10bは1mmの厚みがあるの
に対して、電極11a及び11bは数1000Å、間隙13は１μｍ
〜数10μｍである。Here, the glass substrates 10a and 10b have a thickness of 1 mm, whereas the electrodes 11a and 11b have a thickness of several thousand degrees and the gap 13 has a thickness of 1 μm.
~ Several tens of μm.
第４図に液晶素子の平面図を示す。基板10aと10bを接
着するシール12はその一部に液晶注入口14が設けてあ
る。FIG. 4 shows a plan view of the liquid crystal element. The seal 12 for bonding the substrates 10a and 10b has a liquid crystal injection port 14 at a part thereof.
従来の液晶注入装置は、第５図に示すような液晶を入
れるための溝401を設けた液晶注入皿４を有している。
液晶注入の方法を第６図及び第７図に示す。第６図は液
晶注入装置に液晶３と液晶素子２がセットされた状態を
示す。液晶注入皿４の溝401の部分に液晶３が充填さ
れ、真空槽５内を真空に引き、液晶３と液晶素子２の間
隙の脱気を行う。脱気後、第７図に示すように、液晶素
子２の液晶注入口14のある側を液晶３につけ、液晶素子
の間隙に液晶を注入しながら、真空槽５内の気圧を徐々
に大気圧へもどす。The conventional liquid crystal injecting apparatus has a liquid crystal injecting dish 4 provided with a groove 401 for inserting a liquid crystal as shown in FIG.
6 and 7 show a method of injecting liquid crystal. FIG. 6 shows a state where the liquid crystal 3 and the liquid crystal element 2 are set in the liquid crystal injection device. The liquid crystal 3 is filled in the portion of the groove 401 of the liquid crystal filling dish 4, and the inside of the vacuum chamber 5 is evacuated to deaerate the gap between the liquid crystal 3 and the liquid crystal element 2. After degassing, as shown in FIG. 7, the side of the liquid crystal element 2 having the liquid crystal injection port 14 is attached to the liquid crystal 3, and while the liquid crystal is injected into the gap between the liquid crystal elements, the pressure in the vacuum chamber 5 is gradually increased to the atmospheric pressure. Return to
第４図のような液晶注入口14側にも電極を取り出す構
造の液晶素子に液晶を注入する場合、従来の液晶注入装
置では、注入口14を液晶３に浸すため、深い溝401に沢
山の液晶３を充填する必要がある。その液晶３のうち、
注入口14よりも低い分は液晶注入になんら寄与せず、た
だ捨てられるだけで、高価な液晶を大量に無駄にし、コ
ストアップを招くという欠点があった。In the case of injecting liquid crystal into a liquid crystal element having a structure in which an electrode is also taken out from the liquid crystal injection port 14 as shown in FIG. The liquid crystal 3 needs to be filled. Of the liquid crystal 3,
The portion lower than the inlet 14 does not contribute to the liquid crystal injection at all, but is simply discarded, and wastes a large amount of expensive liquid crystal, resulting in an increase in cost.
本考案の目的は前記課題を解決した液晶注入装置を提
供することにある。An object of the present invention is to provide a liquid crystal injection device that solves the above-mentioned problems.
前記目的を達成するため、本考案に係る液晶注入装置
は、液晶注入皿に深さが異なる第１及び第２の液晶充填
用溝を有する液晶注入装置であって、 前記第１及び第２の液晶充填用溝は、液晶注入皿上に
互いに連通して並設されたものであり、 前記第１の液晶充填用溝は、その深さが第２の液晶充
填溝より浅く、液晶素子をなす２枚の基板間に設けた液
晶注入口を受け入れるものであり、 前記第２の液晶充填用溝は、前記液晶注入口より張り
出した基板の端縁を受け入れるものであって、第１の液
晶充填用溝より液晶の容量が減少されたものである。In order to achieve the above object, a liquid crystal injection device according to the present invention is a liquid crystal injection device having first and second liquid crystal filling grooves having different depths in a liquid crystal injection dish, wherein the first and second liquid crystal injection devices are provided. The liquid crystal filling grooves are provided side by side on the liquid crystal filling dish so as to communicate with each other. The first liquid crystal filling grooves are shallower in depth than the second liquid crystal filling grooves and form a liquid crystal element. A second liquid crystal filling groove provided between the two substrates, wherein the second liquid crystal filling groove receives an edge of the substrate protruding from the liquid crystal filling port, and is provided with a first liquid crystal filling groove; The liquid crystal capacity is smaller than that of the groove.
また、前記液晶注入皿は、前記第１と第２の液晶充填
用溝の組を複数組有するものである。Further, the liquid crystal filling dish has a plurality of sets of the first and second liquid crystal filling grooves.
以下、本考案の一実施例を図により説明する。 Hereinafter, an embodiment of the present invention will be described with reference to the drawings.
第１図は本考案の一実施例を示す断面図、第２図は液
晶注入状態を示す断面図である。FIG. 1 is a sectional view showing an embodiment of the present invention, and FIG. 2 is a sectional view showing a liquid crystal injection state.
図において、本考案に係る液晶注入装置は、液晶注入
皿１上に深さが異なる第１及び第２の液晶充填用溝101,
102を有している。In the figure, the liquid crystal injection device according to the present invention has first and second liquid crystal filling grooves 101, which have different depths, on the liquid crystal injection dish 1.
It has 102.
第１図及び第２の液晶充填用溝101,102は、液晶注入
皿１上に互いに連通して並設されている。FIG. 1 and the second liquid crystal filling grooves 101 and 102 are arranged in parallel on the liquid crystal filling dish 1 so as to communicate with each other.
第１の液晶充填用溝101は、その深さＤ1が第２の液晶
充填用溝102の深さＤ2より浅く、第４図に示す液晶素子
２をなす２枚の基板10a,10bの下端に設けた液晶注入口1
4を受け入れるものである。The depth D1 of the first liquid crystal filling groove 101 is smaller than the depth D2 of the second liquid crystal filling groove 102, and the depth D1 of the two substrates 10a and 10b forming the liquid crystal element 2 shown in FIG. Liquid crystal inlet 1 provided at the lower end
4 is what you accept.
第２の液晶充填用溝102は、第４図に示す液晶注入口1
4より下方に張り出した基板10bの端縁10cを受け入れる
ものである。The second liquid crystal filling groove 102 is provided with the liquid crystal injection port 1 shown in FIG.
It receives the edge 10c of the substrate 10b projecting downward from 4.
実施例において、第２図に示すように、液晶注入皿１
の各溝101,102は液晶が充填されており、一方の溝102の
液晶３内に、第４図に示す液晶素子２をなす２枚の基板
10a,10b間に設けた液晶注入口14が浸漬され、他の溝101
の液晶３内に、第４図に示す液晶注入口14より下方に張
り出した基板10bの端縁10cが浸漬される。この状態で、
液晶素子２をなす２枚の基板10a,10b間を脱気し、液晶
の表面張力と圧力差とを利用して基板10a,10b間に注晶
を注入する。In the embodiment, as shown in FIG.
Each of the grooves 101 and 102 is filled with liquid crystal, and two substrates forming the liquid crystal element 2 shown in FIG.
The liquid crystal injection port 14 provided between 10a and 10b is immersed, and another groove 101 is formed.
The edge 10c of the substrate 10b projecting below the liquid crystal injection port 14 shown in FIG. 4 is immersed in the liquid crystal 3 of FIG. In this state,
The space between the two substrates 10a and 10b constituting the liquid crystal element 2 is evacuated, and a crystal is injected between the substrates 10a and 10b using the surface tension and the pressure difference of the liquid crystal.
本考案によれば、液晶注入に直接寄与しない溝101の
容量を減少させることができ、無駄に消費されてしまう
液晶の量を極力低減することができる。According to the present invention, the capacity of the groove 101 that does not directly contribute to liquid crystal injection can be reduced, and the amount of liquid crystal that is wasted can be reduced as much as possible.
また、液晶注入皿１に溝101,102の組が一組設けられ
ている例について説明したが、１度に複数枚の液晶素子
に液晶注入を行うことができるのは言うまでもない。Also, an example in which one set of the grooves 101 and 102 is provided in the liquid crystal injection dish 1 has been described, but it goes without saying that liquid crystal can be injected into a plurality of liquid crystal elements at one time.
以上説明したように本考案は液晶素子の液晶注入口よ
りも低い位置にある液晶の量を減少させたので、液晶の
ムダを減らすことができ、したがって、製造コストが安
くできるという効果を有する。As described above, the present invention reduces the amount of liquid crystal located at a position lower than the liquid crystal injection port of the liquid crystal element, thereby reducing waste of the liquid crystal and thus reducing the manufacturing cost.
第１図は本考案の一実施例を示す断面図、第２図は本考
案の実施例による液晶注入状態を説明する断面図、第３
図は一般的な液晶素子の構造を示す断面図、第４図は一
般的な液晶素子を示す平面図、第５図は従来の液晶注入
皿を示す断面図、第６図は従来の液晶注入装置を示す断
面図、第７図は従来の液晶注入状態を説明する断面図で
ある。 １……液晶注入皿、２……液晶素子 ３……液晶 10a,10b……液晶素子をなすガラス基板 14……液晶注入口、101,102……溝FIG. 1 is a cross-sectional view showing an embodiment of the present invention, FIG. 2 is a cross-sectional view illustrating a liquid crystal injection state according to an embodiment of the present invention, and FIG.
FIG. 4 is a cross-sectional view showing the structure of a general liquid crystal element, FIG. 4 is a plan view showing a general liquid crystal element, FIG. 5 is a cross-sectional view showing a conventional liquid crystal injection dish, and FIG. FIG. 7 is a cross-sectional view showing the device, and FIG. 7 is a cross-sectional view for explaining a conventional liquid crystal injection state. DESCRIPTION OF SYMBOLS 1 ... Liquid crystal injection dish 2, 2 ... Liquid crystal element 3 ... Liquid crystal 10a, 10b ... Glass substrate which forms a liquid crystal element 14 ... Liquid crystal injection port, 101, 102 ... Groove
Claims (2)
液晶充填用溝を有する液晶注入装置であって、 前記第１及び第２の液晶充填用溝は、液晶注入皿上に互
いに連通して並設されたものであり、 前記第１の液晶充填用溝は、その深さが第２の液晶充填
溝より浅く、液晶素子をなす２枚の基板間に設けた液晶
注入口を受け入れるものであり、 前記第２の液晶充填用溝は、前記液晶注入口より張り出
した基板の端縁を受け入れるものであって、第１の液晶
充填用溝より液晶の容量が減少されたものであることを
特徴とする液晶注入装置。1. A liquid crystal filling apparatus having first and second liquid crystal filling grooves having different depths in a liquid crystal filling dish, wherein the first and second liquid crystal filling grooves are provided on the liquid crystal filling dish. The first liquid crystal filling groove has a depth smaller than that of the second liquid crystal filling groove, and is provided between two substrates forming a liquid crystal element. Wherein the second liquid crystal filling groove receives an edge of the substrate protruding from the liquid crystal filling port, and has a liquid crystal capacity smaller than that of the first liquid crystal filling groove. A liquid crystal injection device characterized by the following.
充填用溝の組を複数組有するものであることを特徴とす
る請求項第（１）項に記載の液晶注入装置。2. The liquid crystal injection device according to claim 1, wherein the liquid crystal injection dish has a plurality of sets of the first and second liquid crystal filling grooves.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1990040383U JP2522816Y2 (en) | 1990-04-16 | 1990-04-16 | Liquid crystal injection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1990040383U JP2522816Y2 (en) | 1990-04-16 | 1990-04-16 | Liquid crystal injection device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH041518U JPH041518U (en) | 1992-01-08 |
| JP2522816Y2 true JP2522816Y2 (en) | 1997-01-16 |
Family
ID=31550126
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1990040383U Expired - Lifetime JP2522816Y2 (en) | 1990-04-16 | 1990-04-16 | Liquid crystal injection device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2522816Y2 (en) |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0769546B2 (en) * | 1988-11-29 | 1995-07-31 | 松下電器産業株式会社 | Liquid crystal injection device and injection method thereof |
-
1990
- 1990-04-16 JP JP1990040383U patent/JP2522816Y2/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPH041518U (en) | 1992-01-08 |
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