JPH03119832U - - Google Patents
Info
- Publication number
- JPH03119832U JPH03119832U JP2842390U JP2842390U JPH03119832U JP H03119832 U JPH03119832 U JP H03119832U JP 2842390 U JP2842390 U JP 2842390U JP 2842390 U JP2842390 U JP 2842390U JP H03119832 U JPH03119832 U JP H03119832U
- Authority
- JP
- Japan
- Prior art keywords
- liquid crystal
- drive
- microshutters
- circuit board
- crystal shutter
- 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
Links
- 239000004973 liquid crystal related substance Substances 0.000 claims description 10
- 239000003795 chemical substances by application Substances 0.000 claims description 3
- 239000000758 substrate Substances 0.000 claims description 3
- 230000003287 optical effect Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
Landscapes
- Liquid Crystal (AREA)
Description
第１図は本考案の一実施例としての液晶シヤツ
タ装置を示す平面図、第２図は第１図の−線
断面図、第３図は従来の液晶シヤツタ装置を用い
た光書込みヘツドを示す模式的断面図、第４図は
従来の上記光書込みヘツドを用いる電子写真式画
像形成装置の要部構成を示す模式図である。
１ａ，１ｂ……透明ガラス基板、２……封止部
材、３……液晶剤、４……信号電極、５……共通
電極、６……中継制御回路基板、７……駆動回路
シート、８……ＬＳＩチツプ、８ａ，８ｂ……リ
ード端子、９……ベースフイルム、３３……フイ
ルムコネクタ、３４……駆動制御回路基板、Ｈ…
…光書込みヘツド、Ｌｓ……液晶シヤツタ部、Ｍ
ｓ……微小シヤツタ、Ｐｌ……液晶シヤツタパネ
ル、Ｓ……封止空間。
Fig. 1 is a plan view showing a liquid crystal shutter device as an embodiment of the present invention, Fig. 2 is a sectional view taken along the line - - in Fig. 1, and Fig. 3 shows an optical writing head using a conventional liquid crystal shutter device. A schematic cross-sectional view, FIG. 4, is a schematic diagram showing the main structure of an electrophotographic image forming apparatus using the above-mentioned conventional optical writing head. 1a, 1b...Transparent glass substrate, 2...Sealing member, 3...Liquid crystal agent, 4...Signal electrode, 5...Common electrode, 6...Relay control circuit board, 7...Drive circuit sheet, 8 ... LSI chip, 8a, 8b ... Lead terminal, 9 ... Base film, 33 ... Film connector, 34 ... Drive control circuit board, H ...
...Optical writing head, Ls...Liquid crystal shutter section, M
s...Minute shutter, Pl...Liquid crystal shutter panel, S...Sealed space.
Claims (1)
基板の表面に駆動電極を夫々被着形成し、双方の
前記駆動電極が前記液晶剤を介して対向する領域
の一部で複数の微小シヤツタを所定方向に並設形
成して成る液晶シヤツタパネルと、可撓性シート
上に前記微小シヤツタを駆動する集積回路チツプ
を搭載し、該集積回路チツプからリード端子を延
出させた駆動回路シートと、前記微小シヤツタの
並設部に対応する中空部を備え前記集積回路チツ
プに入力すべき駆動信号を中継制御する中継制御
回路基板とを有し、前記中空部を前記微小シヤツ
タの並設部に整合させて前記中継制御回路基板を
前記液晶シヤツタパネルに重畳設置し、前記駆動
回路シートを前記リード端子により前記駆動電極
と前記中継制御回路基板に夫々直接接続したこと
を特徴とする液晶シヤツタ装置。 A liquid crystal agent is sealed between a pair of transparent substrates, drive electrodes are formed on the surface of each of the transparent substrates, and a plurality of drive electrodes are formed in a part of the area where both drive electrodes face each other via the liquid crystal agent. A drive circuit sheet comprising: a liquid crystal shutter panel comprising microshutters arranged side by side in a predetermined direction; and an integrated circuit chip for driving the microshutters mounted on a flexible sheet, with lead terminals extending from the integrated circuit chip. and a relay control circuit board that has a hollow part corresponding to the parallel part of the microshutters and relays and controls a drive signal to be input to the integrated circuit chip, and the hollow part is connected to the parallel part of the microshutters. A liquid crystal shutter device characterized in that the relay control circuit board is superimposed on the liquid crystal shutter panel so as to be aligned with each other, and the drive circuit sheet is directly connected to the drive electrode and the relay control circuit board, respectively, by the lead terminals.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2842390U JPH03119832U (en) | 1990-03-20 | 1990-03-20 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2842390U JPH03119832U (en) | 1990-03-20 | 1990-03-20 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH03119832U true JPH03119832U (en) | 1991-12-10 |
Family
ID=31531227
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2842390U Pending JPH03119832U (en) | 1990-03-20 | 1990-03-20 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH03119832U (en) |
-
1990
- 1990-03-20 JP JP2842390U patent/JPH03119832U/ja active Pending
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