EP0420129A3 - Liquid crystal electro-optical device and method for driving the same - Google Patents

Liquid crystal electro-optical device and method for driving the same Download PDF

Info

Publication number
EP0420129A3
EP0420129A3 EP19900118351 EP90118351A EP0420129A3 EP 0420129 A3 EP0420129 A3 EP 0420129A3 EP 19900118351 EP19900118351 EP 19900118351 EP 90118351 A EP90118351 A EP 90118351A EP 0420129 A3 EP0420129 A3 EP 0420129A3
Authority
EP
European Patent Office
Prior art keywords
driving
liquid crystal
same
optical device
crystal electro
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.)
Withdrawn
Application number
EP19900118351
Other versions
EP0420129A2 (en
Inventor
Takashi Fukui
Toshio Watanabe
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.)
Semiconductor Energy Laboratory Co Ltd
Original Assignee
Semiconductor Energy Laboratory Co Ltd
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 Semiconductor Energy Laboratory Co Ltd filed Critical Semiconductor Energy Laboratory Co Ltd
Publication of EP0420129A2 publication Critical patent/EP0420129A2/en
Publication of EP0420129A3 publication Critical patent/EP0420129A3/en
Withdrawn legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G3/00—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
    • G09G3/20—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters
    • G09G3/34—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters by control of light from an independent source
    • G09G3/36—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters by control of light from an independent source using liquid crystals
    • G09G3/3611—Control of matrices with row and column drivers
    • G09G3/3622—Control of matrices with row and column drivers using a passive matrix

Landscapes

  • Engineering & Computer Science (AREA)
  • Liquid Crystal (AREA)
  • Chemical & Material Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • Computer Hardware Design (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Liquid Crystal Display Device Control (AREA)
EP19900118351 1989-09-25 1990-09-24 Liquid crystal electro-optical device and method for driving the same Withdrawn EP0420129A3 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP248731/89 1989-09-25
JP24873189 1989-09-25

Publications (2)

Publication Number Publication Date
EP0420129A2 EP0420129A2 (en) 1991-04-03
EP0420129A3 true EP0420129A3 (en) 1992-04-22

Family

ID=17182515

Family Applications (1)

Application Number Title Priority Date Filing Date
EP19900118351 Withdrawn EP0420129A3 (en) 1989-09-25 1990-09-24 Liquid crystal electro-optical device and method for driving the same

Country Status (2)

Country Link
EP (1) EP0420129A3 (en)
JP (1) JP2873616B2 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH07261149A (en) * 1994-03-23 1995-10-13 Seiko Instr Inc Liquid crystal device
JP6145479B2 (en) * 2015-07-16 2017-06-14 スタンレー電気株式会社 Liquid crystal display

Non-Patent Citations (3)

* Cited by examiner, † Cited by third party
Title
HITACHI REVIEW. vol. 38, no. 2, April 1989, TOKYO JP pages 103 - 108; K.KINUGAWA ET AL.: 'High Resolution Super-Twisted Nematic Liquid Crystal Displays' *
IEE PROCEEDINGS I. SOLID- STATE & ELECTRON DEVICES. vol. 133, no. 4, August 1986, STEVENAGE GB pages 145 - 151; J.R.HUGHES ET AL.: 'Contrast variations in high-level multiplexed twisted nematic liquid crystal displays' *
TRANSACTIONS OF THE INSTITUTE OF ELECTRONICS, & COMMUNICATION ENGINEERING vol. E71, no. 11, November 1988, TOKYO JP pages 1063 - 1069; E.KANEKO: 'Directly Addressed Matrix Liquid Crystal Display Panels with High Information Content' *

Also Published As

Publication number Publication date
EP0420129A2 (en) 1991-04-03
JPH03174116A (en) 1991-07-29
JP2873616B2 (en) 1999-03-24

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