JPS62201790U - - Google Patents
Info
- Publication number
- JPS62201790U JPS62201790U JP9036286U JP9036286U JPS62201790U JP S62201790 U JPS62201790 U JP S62201790U JP 9036286 U JP9036286 U JP 9036286U JP 9036286 U JP9036286 U JP 9036286U JP S62201790 U JPS62201790 U JP S62201790U
- Authority
- JP
- Japan
- Prior art keywords
- image data
- liquid crystal
- gradation
- drive device
- timing
- 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 4
- 238000006243 chemical reaction Methods 0.000 claims description 3
- 238000010586 diagram Methods 0.000 description 2
Description
第１図は、この考案の一実施例の構成を示すブ
ロツク図、第２図は、同じく動作を示すタイミン
グチヤート、第３図は、従来の液晶駆動装置の構
成を示すブロツク図、第４図は、同じく動作を示
すタイミングチヤートである。
１……１６階調用液晶駆動装置、２……メモリ
、３′……タイミング発生制御回路、４……階調
変換ＲＯＭ。
FIG. 1 is a block diagram showing the configuration of an embodiment of this invention, FIG. 2 is a timing chart showing the same operation, FIG. 3 is a block diagram showing the configuration of a conventional liquid crystal drive device, and FIG. 4 is a timing chart showing the same operation. 1...16 gradation liquid crystal drive device, 2...memory, 3'...timing generation control circuit, 4...gradation conversion ROM.
補正 昭６１．１０．７
実用新案登録請求の範囲を次のように補正する
。Amendment October 7, 1981 The scope of claims for utility model registration is amended as follows.
【実用新案登録請求の範囲】
メモリに記憶された画像データを極性信号ＣＯ
Ｍが正、又は負の期間に複数回転送するタイミン
グを発生する制御回路と、前記画像データを複数
に分割して１６階調用液晶駆動装置に転送する階
調変換ＲＯＭとを設けたことを特徴とする液晶駆
動装置。[Claims for utility model registration] The image data stored in the memory is
The present invention is characterized in that it is provided with a control circuit that generates a timing for transferring the image data multiple times during a period when M is positive or negative, and a gradation conversion ROM that divides the image data into a plurality of pieces and transfers them to a liquid crystal driving device for 16 gradations. LCD drive device.
Claims (1)
Ｍが正、又は負の期間に複数回転送するタイミン
グを発生する制御回路と、前記画像データを前記
複数に分割して１６階調用液晶駆動装置に転送す
る階調変換ＲＯＭとを設けたことを特徴とする液
晶駆動装置。 The image data stored in the memory is converted into a polarity signal CO.
A control circuit that generates a timing for transferring multiple times during a period when M is positive or negative, and a gradation conversion ROM that divides the image data into the plurality of parts and transfers them to the 16-gradation liquid crystal driving device are provided. Characteristic LCD drive device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9036286U JPS62201790U (en) | 1986-06-13 | 1986-06-13 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9036286U JPS62201790U (en) | 1986-06-13 | 1986-06-13 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS62201790U true JPS62201790U (en) | 1987-12-23 |
Family
ID=30950151
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP9036286U Pending JPS62201790U (en) | 1986-06-13 | 1986-06-13 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS62201790U (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5157186A (en) * | 1974-11-14 | 1976-05-19 | Hitachi Ltd | KORYUKUDOEKISHOHYOJISOCHI |
| JPS5453922A (en) * | 1977-10-07 | 1979-04-27 | Hitachi Ltd | Luminance modulation system of video display unit |
| JPS54100224A (en) * | 1978-01-25 | 1979-08-07 | Hitachi Ltd | Luminance modulator for liquid crystal display unit |
| JPS59208589A (en) * | 1983-05-12 | 1984-11-26 | 東芝ライテック株式会社 | Display |
| JPS61112188A (en) * | 1984-11-06 | 1986-05-30 | キヤノン株式会社 | Image display unit |
-
1986
- 1986-06-13 JP JP9036286U patent/JPS62201790U/ja active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5157186A (en) * | 1974-11-14 | 1976-05-19 | Hitachi Ltd | KORYUKUDOEKISHOHYOJISOCHI |
| JPS5453922A (en) * | 1977-10-07 | 1979-04-27 | Hitachi Ltd | Luminance modulation system of video display unit |
| JPS54100224A (en) * | 1978-01-25 | 1979-08-07 | Hitachi Ltd | Luminance modulator for liquid crystal display unit |
| JPS59208589A (en) * | 1983-05-12 | 1984-11-26 | 東芝ライテック株式会社 | Display |
| JPS61112188A (en) * | 1984-11-06 | 1986-05-30 | キヤノン株式会社 | Image display unit |
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