DE69323276T2 - LIQUID CRYSTAL DISPLAY DEVICE WITH ACTIVE MATRIX OF THE BIPOLAR TYPE AND METHOD FOR CONTROLLING IT - Google Patents

LIQUID CRYSTAL DISPLAY DEVICE WITH ACTIVE MATRIX OF THE BIPOLAR TYPE AND METHOD FOR CONTROLLING IT

Info

Publication number
DE69323276T2
DE69323276T2 DE69323276T DE69323276T DE69323276T2 DE 69323276 T2 DE69323276 T2 DE 69323276T2 DE 69323276 T DE69323276 T DE 69323276T DE 69323276 T DE69323276 T DE 69323276T DE 69323276 T2 DE69323276 T2 DE 69323276T2
Authority
DE
Germany
Prior art keywords
controlling
liquid crystal
display device
crystal display
active matrix
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.)
Expired - Fee Related
Application number
DE69323276T
Other languages
German (de)
Other versions
DE69323276D1 (en
Inventor
Seigo Togashi
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.)
Citizen Watch Co Ltd
Original Assignee
Citizen Watch 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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=16159143&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=DE69323276(T2) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Citizen Watch Co Ltd filed Critical Citizen Watch Co Ltd
Application granted granted Critical
Publication of DE69323276D1 publication Critical patent/DE69323276D1/en
Publication of DE69323276T2 publication Critical patent/DE69323276T2/en
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • G09G3/367—Control of matrices with row and column drivers with a nonlinear element in series with the liquid crystal cell, e.g. a diode, or M.I.M. element
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G2310/00—Command of the display device
    • G09G2310/06—Details of flat display driving waveforms
    • 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
    • G09G3/2007—Display of intermediate tones
    • 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
    • G09G3/2007—Display of intermediate tones
    • G09G3/2011—Display of intermediate tones by amplitude modulation
    • 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
    • G09G3/2007—Display of intermediate tones
    • G09G3/2014—Display of intermediate tones by modulation of the duration of a single pulse during which the logic level remains constant

Landscapes

  • Engineering & Computer Science (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)
  • Control Of Indicators Other Than Cathode Ray Tubes (AREA)
  • Liquid Crystal (AREA)
DE69323276T 1992-06-19 1993-06-21 LIQUID CRYSTAL DISPLAY DEVICE WITH ACTIVE MATRIX OF THE BIPOLAR TYPE AND METHOD FOR CONTROLLING IT Expired - Fee Related DE69323276T2 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP18477892 1992-06-19
PCT/JP1993/000832 WO1994000791A1 (en) 1992-06-19 1993-06-21 Two-terminal type active matrix liquid crystal display device and driving method thereof

Publications (2)

Publication Number Publication Date
DE69323276D1 DE69323276D1 (en) 1999-03-11
DE69323276T2 true DE69323276T2 (en) 1999-06-02

Family

ID=16159143

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69323276T Expired - Fee Related DE69323276T2 (en) 1992-06-19 1993-06-21 LIQUID CRYSTAL DISPLAY DEVICE WITH ACTIVE MATRIX OF THE BIPOLAR TYPE AND METHOD FOR CONTROLLING IT

Country Status (4)

Country Link
EP (1) EP0600096B1 (en)
JP (1) JP3167135B2 (en)
DE (1) DE69323276T2 (en)
WO (1) WO1994000791A1 (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2295045B (en) * 1994-11-08 1998-07-15 Citizen Watch Co Ltd A liquid crystal display device and a method of driving the same
KR20210117769A (en) * 2020-03-20 2021-09-29 이원석 A Multipurpose Mask with an Inner Fence Structure
KR102617198B1 (en) * 2021-06-24 2023-12-27 우경일 Three dimensional shape mask with improved wearability

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS63198097A (en) * 1987-02-13 1988-08-16 セイコーインスツルメンツ株式会社 Non-linear 2-terminal type active matrix display device
JPS63269197A (en) * 1987-04-28 1988-11-07 セイコーインスツルメンツ株式会社 Liquid crystal apparatus
JPH0266521A (en) * 1988-09-01 1990-03-06 Seiko Epson Corp Active device, and active matrix display and its driving method
DE3850949T2 (en) * 1987-12-23 1995-01-05 Seiko Epson Corp Electro-optical liquid crystal display device with active matrix and its driving method.
DE3814816A1 (en) * 1988-05-02 1989-11-16 Vdo Schindling Method for controlling display devices
JPH0258021A (en) * 1988-08-23 1990-02-27 Seiko Epson Corp Liquid crystal display device
DE69222959T2 (en) * 1991-03-20 1998-03-19 Seiko Epson Corp Method of operating an active matrix type liquid crystal display device

Also Published As

Publication number Publication date
WO1994000791A1 (en) 1994-01-06
JP3167135B2 (en) 2001-05-21
DE69323276D1 (en) 1999-03-11
EP0600096B1 (en) 1999-01-27
EP0600096A4 (en) 1995-10-11
EP0600096A1 (en) 1994-06-08

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8328 Change in the person/name/address of the agent

Free format text: PATENTANWAELTE RUFF, WILHELM, BEIER, DAUSTER & PARTNER, 70173 STUTTGART

8339 Ceased/non-payment of the annual fee