JPS6266476U - - Google Patents

Info

Publication number
JPS6266476U
JPS6266476U JP1985157970U JP15797085U JPS6266476U JP S6266476 U JPS6266476 U JP S6266476U JP 1985157970 U JP1985157970 U JP 1985157970U JP 15797085 U JP15797085 U JP 15797085U JP S6266476 U JPS6266476 U JP S6266476U
Authority
JP
Japan
Prior art keywords
circuit
liquid crystal
video signal
brightness level
crystal panel
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
Application number
JP1985157970U
Other languages
Japanese (ja)
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 filed Critical
Priority to JP1985157970U priority Critical patent/JPS6266476U/ja
Priority to AU65269/86A priority patent/AU588062B2/en
Priority to KR1019870700507A priority patent/KR930008166B1/en
Priority to EP86906432A priority patent/EP0241562B1/en
Priority to PCT/JP1986/000525 priority patent/WO1987002537A1/en
Priority to DE8686906432T priority patent/DE3685821T2/en
Publication of JPS6266476U publication Critical patent/JPS6266476U/ja
Priority to US07/675,052 priority patent/US5093655A/en
Pending legal-status Critical Current

Links

Landscapes

  • Liquid Crystal Display Device Control (AREA)
  • Transforming Electric Information Into Light Information (AREA)
  • Video Image Reproduction Devices For Color Tv Systems (AREA)
  • Control Of Indicators Other Than Cathode Ray Tubes (AREA)

Description

【図面の簡単な説明】[Brief explanation of drawings]

第１図は本考案の一実施例における駆動回路の
回路図、第２図は第１図の回路における対向電極
電位と映像信号との関係を示す図、第３図は従来
例における対向電極電位と映像信号との関係を示
す図である。 １……液晶パネル、２……Ｘドライバ、３……
Ｙドライバ、４……Ｔ―ＦＦ、５……輝度レベル
調整回路、Ｓ１，Ｓ２……第１、第２アナログス
イツチ、６……極性反転回路。 Fig. 1 is a circuit diagram of a drive circuit in an embodiment of the present invention, Fig. 2 is a diagram showing the relationship between the counter electrode potential and the video signal in the circuit of Fig. 1, and Fig. 3 is a diagram showing the counter electrode potential in the conventional example. FIG. 1...LCD panel, 2...X driver, 3...
Y driver, 4...T-FF, 5...Brightness level adjustment circuit, S1 , S2 ...First and second analog switches, 6...Polarity inversion circuit.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 複数の表示素子が行列配置された液晶パネルと
、この液晶パネルに印加される映像信号の極性を
フイールド毎に反転する極性反転回路と、前記液
晶パネルの対向電極にフイールド毎に選択された
第１或いは第２直流電圧を供給する回路と、前記
映像信号の輝度レベルを調整すべく前記第１及び
第２直流電圧を同時に互いに逆方向に変化させる
輝度レベル調整回路とからなる液晶表示装置の駆
動回路。 a liquid crystal panel in which a plurality of display elements are arranged in rows and columns; a polarity inverting circuit for inverting the polarity of a video signal applied to the liquid crystal panel for each field; Alternatively, a driving circuit for a liquid crystal display device comprising a circuit that supplies a second DC voltage, and a brightness level adjustment circuit that simultaneously changes the first and second DC voltages in opposite directions to adjust the brightness level of the video signal. .
JP1985157970U 1985-10-16 1985-10-16 Pending JPS6266476U (en)

Priority Applications (7)

Application Number Priority Date Filing Date Title
JP1985157970U JPS6266476U (en) 1985-10-16 1985-10-16
AU65269/86A AU588062B2 (en) 1985-10-16 1986-10-16 Lcd matrix alternating drive circuit
KR1019870700507A KR930008166B1 (en) 1985-10-16 1986-10-16 Liquid-crystal display apparatus
EP86906432A EP0241562B1 (en) 1985-10-16 1986-10-16 Liquid crystal display device
PCT/JP1986/000525 WO1987002537A1 (en) 1985-10-16 1986-10-16 Liquid crystal display device
DE8686906432T DE3685821T2 (en) 1985-10-16 1986-10-16 DISPLAY ARRANGEMENT WITH LIQUID CRYSTAL.
US07/675,052 US5093655A (en) 1985-10-16 1991-03-25 Liquid-crystal display apparatus

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1985157970U JPS6266476U (en) 1985-10-16 1985-10-16

Publications (1)

Publication Number Publication Date
JPS6266476U true JPS6266476U (en) 1987-04-24

Family

ID=31081015

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1985157970U Pending JPS6266476U (en) 1985-10-16 1985-10-16

Country Status (1)

Country Link
JP (1) JPS6266476U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2007058235A (en) * 1996-03-26 2007-03-08 Semiconductor Energy Lab Co Ltd Method for driving active matrix liquid crystal display device

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5512919A (en) * 1978-07-13 1980-01-29 Suwa Seikosha Kk Liquid crystal image display
JPS58164390A (en) * 1982-03-24 1983-09-29 Casio Comput Co Ltd Contrast adjustment system of liquid-crystal television
JPS5967593A (en) * 1982-10-08 1984-04-17 松下電器産業株式会社 Ac driver for liquid crystal display panel
JPS6066236A (en) * 1983-09-21 1985-04-16 Canon Inc Driving method of liquid crystal display panel
JPS6083477A (en) * 1983-10-13 1985-05-11 Sharp Corp Driving circuit of liquid crystal display device

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5512919A (en) * 1978-07-13 1980-01-29 Suwa Seikosha Kk Liquid crystal image display
JPS58164390A (en) * 1982-03-24 1983-09-29 Casio Comput Co Ltd Contrast adjustment system of liquid-crystal television
JPS5967593A (en) * 1982-10-08 1984-04-17 松下電器産業株式会社 Ac driver for liquid crystal display panel
JPS6066236A (en) * 1983-09-21 1985-04-16 Canon Inc Driving method of liquid crystal display panel
JPS6083477A (en) * 1983-10-13 1985-05-11 Sharp Corp Driving circuit of liquid crystal display device

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2007058235A (en) * 1996-03-26 2007-03-08 Semiconductor Energy Lab Co Ltd Method for driving active matrix liquid crystal display device

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