JPS54124998A - Driving method of thin-film el element - Google Patents
Driving method of thin-film el elementInfo
- Publication number
- JPS54124998A JPS54124998A JP3335878A JP3335878A JPS54124998A JP S54124998 A JPS54124998 A JP S54124998A JP 3335878 A JP3335878 A JP 3335878A JP 3335878 A JP3335878 A JP 3335878A JP S54124998 A JPS54124998 A JP S54124998A
- Authority
- JP
- Japan
- Prior art keywords
- electrode
- voltage
- unselected
- region
- write
- 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
Landscapes
- Illuminated Signs And Luminous Advertising (AREA)
- Control Of El Displays (AREA)
- Control Of Indicators Other Than Cathode Ray Tubes (AREA)
Abstract
PURPOSE:To attain a line sequence scan by reducing the dielectric strength of a Y- electrode selected switch element to half with the influence of turn-around capacity removed by applying halves write, erasing and read voltages to a selected X electrode without floating an unselected Y eletrode. CONSTITUTION:As for a mXn matrix electrode structure EL element, one selected Y electrode is supplied Y electrode is supplied with write voltage Vw, and unselected Y electrode is with compensation voltage Vt; and the k-number selected electrodes are grounded and the m-k-number unselected X electrodes are floated. As a result, the relative equations among currents Iw and It from voltage sources, current Ix from the X electrode to the earth, floating X electrode voltage Ex, and one- picture-element capacity C are obtained. Voltage V applied to picture elements is Vw in region 1 where X and Y are both selected, Vt in region 2 where X is selected with U unselected and a half-selected voltage is applied through turning around wihout Vt, Vw-Vt in region 3 where a half-selected voltage applied without Vt when X is unselected with Y selected, and zero in the region where neither X nor Y is selected. With V=Vt=Vw/2, V is made below the write threshold level by selecting Vw, so that a selective write will be performed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3335878A JPS54124998A (en) | 1978-03-22 | 1978-03-22 | Driving method of thin-film el element |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3335878A JPS54124998A (en) | 1978-03-22 | 1978-03-22 | Driving method of thin-film el element |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS54124998A true JPS54124998A (en) | 1979-09-28 |
| JPS62512B2 JPS62512B2 (en) | 1987-01-08 |
Family
ID=12384351
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP3335878A Granted JPS54124998A (en) | 1978-03-22 | 1978-03-22 | Driving method of thin-film el element |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS54124998A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5838996A (en) * | 1981-08-31 | 1983-03-07 | シャープ株式会社 | Driving of thin film el display |
| JPS5838997A (en) * | 1981-08-31 | 1983-03-07 | シャープ株式会社 | Driving circuit for thin film el display |
| JPS5857190A (en) * | 1981-09-30 | 1983-04-05 | シャープ株式会社 | Driving circuit for thin film el display |
| JPS5857191A (en) * | 1981-09-30 | 1983-04-05 | シャープ株式会社 | Driving of thin film el display |
-
1978
- 1978-03-22 JP JP3335878A patent/JPS54124998A/en active Granted
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5838996A (en) * | 1981-08-31 | 1983-03-07 | シャープ株式会社 | Driving of thin film el display |
| JPS5838997A (en) * | 1981-08-31 | 1983-03-07 | シャープ株式会社 | Driving circuit for thin film el display |
| JPH0245197B2 (en) * | 1981-08-31 | 1990-10-08 | Sharp Kk | |
| JPS5857190A (en) * | 1981-09-30 | 1983-04-05 | シャープ株式会社 | Driving circuit for thin film el display |
| JPS5857191A (en) * | 1981-09-30 | 1983-04-05 | シャープ株式会社 | Driving of thin film el display |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS62512B2 (en) | 1987-01-08 |
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