JPS54102898A - Drive circuit and drive method for thin film el display unit - Google Patents

Drive circuit and drive method for thin film el display unit

Info

Publication number
JPS54102898A
JPS54102898A JP1009378A JP1009378A JPS54102898A JP S54102898 A JPS54102898 A JP S54102898A JP 1009378 A JP1009378 A JP 1009378A JP 1009378 A JP1009378 A JP 1009378A JP S54102898 A JPS54102898 A JP S54102898A
Authority
JP
Japan
Prior art keywords
electrodes
voltage
drive
modulation voltage
data side
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
Application number
JP1009378A
Other languages
Japanese (ja)
Other versions
JPS6157639B2 (en
Inventor
Toshihiro Oba
Shuhei Yasuda
Yoshiharu Kanetani
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Sharp Corp
Original Assignee
Sharp Corp
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Sharp Corp filed Critical Sharp Corp
Priority to JP1009378A priority Critical patent/JPS54102898A/en
Publication of JPS54102898A publication Critical patent/JPS54102898A/en
Publication of JPS6157639B2 publication Critical patent/JPS6157639B2/ja
Granted legal-status Critical Current

Links

Abstract

PURPOSE: To reduce the power consumption of spare charging to 1/2 by applying the modulation voltage to EL panel through twice application for the data side and the scanning side.
CONSTITUTION: As the process of write-in drive for the device constituted in matrix state with the data side electrodes X1 to Xm and the scanning side electrodes Y1 to Yn, first the Vpre a half the modulation voltage is charged up to the full video elements (all the cross points of X and Y electrodes) via the diode array 30. Next, the voltage Vpre is fed to the entire scanning electrodes via the diode arrays 60 and 70 with the charging circuit 110 to increase the potential, and simultaneously, the elements connected to other lines except the selection line Xi among the switching element arrays 40 are turned on. Next, when the write-in voltage Vwa is fed from the circuit 90 to the common line C not connected to the selection line Yj, since the element SSJ is turned on, the video element Eij illuminates. The power consumption for pre-charge is 1/2 CV2 pre taking the full capacitance between electrodes as C, and it is a half the power CV2 pre in case that the modulation voltage 2Vpre is applied once from the data side.
COPYRIGHT: (C)1979,JPO&Japio
JP1009378A 1978-01-30 1978-01-30 Drive circuit and drive method for thin film el display unit Granted JPS54102898A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1009378A JPS54102898A (en) 1978-01-30 1978-01-30 Drive circuit and drive method for thin film el display unit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1009378A JPS54102898A (en) 1978-01-30 1978-01-30 Drive circuit and drive method for thin film el display unit

Publications (2)

Publication Number Publication Date
JPS54102898A true JPS54102898A (en) 1979-08-13
JPS6157639B2 JPS6157639B2 (en) 1986-12-08

Family

ID=11740709

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1009378A Granted JPS54102898A (en) 1978-01-30 1978-01-30 Drive circuit and drive method for thin film el display unit

Country Status (1)

Country Link
JP (1) JPS54102898A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5635188A (en) * 1979-08-29 1981-04-07 Sharp Kk Thin film el display unit drive circuit
CN106920525A (en) * 2017-04-17 2017-07-04 深圳市华星光电技术有限公司 The driving method of three raster data model framework liquid crystal displays

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5635188A (en) * 1979-08-29 1981-04-07 Sharp Kk Thin film el display unit drive circuit
JPS6315588B2 (en) * 1979-08-29 1988-04-05 Sharp Kk
CN106920525A (en) * 2017-04-17 2017-07-04 深圳市华星光电技术有限公司 The driving method of three raster data model framework liquid crystal displays
CN106920525B (en) * 2017-04-17 2020-01-31 深圳市华星光电半导体显示技术有限公司 Driving method of three-grid driving structure liquid crystal display

Also Published As

Publication number Publication date
JPS6157639B2 (en) 1986-12-08

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