JPS6432236A - X driver for matrix panel display - Google Patents
X driver for matrix panel displayInfo
- Publication number
- JPS6432236A JPS6432236A JP18842487A JP18842487A JPS6432236A JP S6432236 A JPS6432236 A JP S6432236A JP 18842487 A JP18842487 A JP 18842487A JP 18842487 A JP18842487 A JP 18842487A JP S6432236 A JPS6432236 A JP S6432236A
- Authority
- JP
- Japan
- Prior art keywords
- potential
- video signal
- switches
- storage capacitors
- driver
- 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
Landscapes
- Liquid Crystal (AREA)
- Transforming Electric Information Into Light Information (AREA)
Abstract
PURPOSE:To make the direction of the offset voltage of a video signal constant and to eliminate signal distortion by providing switches in parallel to storage capacitors in the sample and hold circuit of an X driver for matrix panel display. CONSTITUTION:Circuits consisting of shift registers 1, video signal switches 2, storage capacitors 3, impedance converting amplifiers 4 whose gain is 1, and switches for converting their outputs to high impedance are connected by plural stages to constitute a normal X driver for display, but switches 12 are connected in this constitution in parallel to the capacitors 3. Then the switches 12 are turned on and off to obtain video signal = potential of storage capacitors 3 + offset voltage when the video signal is lower than the potential of a common line 14 or obtain the potential of the potential of storage capacitors 3 + offset voltage when said signal is lower. The potential of the storage capacitors 3 approximates the offset potential as compared with the video signal at all times and the video signal having no distortion can be outputted.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP18842487A JPS6432236A (en) | 1987-07-28 | 1987-07-28 | X driver for matrix panel display |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP18842487A JPS6432236A (en) | 1987-07-28 | 1987-07-28 | X driver for matrix panel display |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS6432236A true JPS6432236A (en) | 1989-02-02 |
Family
ID=16223427
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP18842487A Pending JPS6432236A (en) | 1987-07-28 | 1987-07-28 | X driver for matrix panel display |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS6432236A (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7180483B2 (en) * | 1997-02-17 | 2007-02-20 | Seiko Epson Corporation | Current-driven light-emitting display apparatus and method of producing the same |
US8154199B2 (en) | 1997-02-17 | 2012-04-10 | Seiko Epson Corporation | Display apparatus |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6059389A (en) * | 1983-09-12 | 1985-04-05 | シャープ株式会社 | Circuit for driving liquid crystal display unit |
-
1987
- 1987-07-28 JP JP18842487A patent/JPS6432236A/en active Pending
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6059389A (en) * | 1983-09-12 | 1985-04-05 | シャープ株式会社 | Circuit for driving liquid crystal display unit |
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7180483B2 (en) * | 1997-02-17 | 2007-02-20 | Seiko Epson Corporation | Current-driven light-emitting display apparatus and method of producing the same |
US8154199B2 (en) | 1997-02-17 | 2012-04-10 | Seiko Epson Corporation | Display apparatus |
US8188647B2 (en) | 1997-02-17 | 2012-05-29 | Seiko Epson Corporation | Current-driven light-emitting display apparatus and method of producing the same |
US8247967B2 (en) | 1997-02-17 | 2012-08-21 | Seiko Epson Corporation | Display apparatus |
US8354978B2 (en) | 1997-02-17 | 2013-01-15 | Seiko Epson Corporation | Display apparatus |
US8362489B2 (en) | 1997-02-17 | 2013-01-29 | Seiko Epson Corporation | Current-driven light-emitting display apparatus and method of producing the same |
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