JPS61124U - Color LCD panel drive circuit - Google Patents

Color LCD panel drive circuit

Info

Publication number
JPS61124U
JPS61124U JP8368484U JP8368484U JPS61124U JP S61124 U JPS61124 U JP S61124U JP 8368484 U JP8368484 U JP 8368484U JP 8368484 U JP8368484 U JP 8368484U JP S61124 U JPS61124 U JP S61124U
Authority
JP
Japan
Prior art keywords
panel drive
drive circuit
bias voltage
circuit
lcd 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.)
Granted
Application number
JP8368484U
Other languages
Japanese (ja)
Other versions
JPH075461Y2 (en
Inventor
昌男 川村
実 臼井
Original Assignee
カシオ計算機株式会社
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 カシオ計算機株式会社 filed Critical カシオ計算機株式会社
Priority to JP1984083684U priority Critical patent/JPH075461Y2/en
Publication of JPS61124U publication Critical patent/JPS61124U/en
Application granted granted Critical
Publication of JPH075461Y2 publication Critical patent/JPH075461Y2/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Landscapes

  • Liquid Crystal Display Device Control (AREA)
  • Devices For Indicating Variable Information By Combining Individual Elements (AREA)

Abstract

(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

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を示す回路構成図、第２図は
従来のカラー液晶パネル駆動方法を示す図、第３図は第
２図における液晶表示パネルの一部を示す断面図である
。 １２・・・液晶、１３・・・走査電極、１９．１５”，
１、６・・・信号電極、１７，１８，１９・・・カラー
フィルタ、３０・・・カラー液晶パネル、３１・・・Ｒ
電極ドライバ、３２・・・Ｇ電極ドライバ、３３・・・
Ｂ電極ドラ５イバ、３４・・・走査電極ドライバ、３５
，３６．３７・・・バイアス電圧発生回路、３６１，３
６２・・・可変抵抗。FIG. 1 is a circuit configuration diagram showing an embodiment of the present invention, FIG. 2 is a diagram showing a conventional color liquid crystal panel driving method, and FIG. 3 is a sectional view showing a part of the liquid crystal display panel in FIG. be. 12...Liquid crystal, 13...Scanning electrode, 19.15",
1, 6...Signal electrode, 17,18,19...Color filter, 30...Color liquid crystal panel, 31...R
Electrode driver, 32...G electrode driver, 33...
B electrode driver 5 driver, 34...scan electrode driver, 35
, 36.37...bias voltage generation circuit, 361,3
62...Variable resistance.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] Ｒ，Ｇ，Ｂの３系統の信号電極を駆動することによって
カラー表示を行なうカラー液晶パネル駆動回路において
、Ｒ用のバイアス電圧発生回路と、Ｇ用のバイアス電圧
発生回路と、Ｂ用のバイアス電圧発生回路と、上記Ｒ用
、Ｇ用、Ｂ用のバイアス電圧発生回路うち少なくとも２
つのバイアス電圧を可変調整する電圧調整回路とを具備
したことを特徴とするカラー液晶パネル駆動回路。In a color liquid crystal panel drive circuit that performs color display by driving signal electrodes of three systems, R, G, and B, a bias voltage generation circuit for R, a bias voltage generation circuit for G, and a bias voltage for B are used. a generating circuit, and at least two of the bias voltage generating circuits for R, G, and B.
A color liquid crystal panel drive circuit comprising: a voltage adjustment circuit that variably adjusts two bias voltages.
JP1984083684U 1984-06-06 1984-06-06 Color LCD panel drive circuit Expired - Lifetime JPH075461Y2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1984083684U JPH075461Y2 (en) 1984-06-06 1984-06-06 Color LCD panel drive circuit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1984083684U JPH075461Y2 (en) 1984-06-06 1984-06-06 Color LCD panel drive circuit

Publications (2)

Publication Number Publication Date
JPS61124U true JPS61124U (en) 1986-01-06
JPH075461Y2 JPH075461Y2 (en) 1995-02-08

Family

ID=30632532

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1984083684U Expired - Lifetime JPH075461Y2 (en) 1984-06-06 1984-06-06 Color LCD panel drive circuit

Country Status (1)

Country Link
JP (1) JPH075461Y2 (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS62178211A (en) * 1986-01-31 1987-08-05 Sanyo Electric Co Ltd Color display device
JPS62210499A (en) * 1986-03-12 1987-09-16 株式会社日立製作所 Liquid crystal display unit

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS53143194A (en) * 1977-05-20 1978-12-13 Toshiba Corp Liquid crystal display device
JPS54107698A (en) * 1978-02-10 1979-08-23 Toshiba Corp Liquid crystal drive source
JPS54121097A (en) * 1978-03-13 1979-09-19 Hitachi Ltd Liquid crystal display unit

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS53143194A (en) * 1977-05-20 1978-12-13 Toshiba Corp Liquid crystal display device
JPS54107698A (en) * 1978-02-10 1979-08-23 Toshiba Corp Liquid crystal drive source
JPS54121097A (en) * 1978-03-13 1979-09-19 Hitachi Ltd Liquid crystal display unit

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS62178211A (en) * 1986-01-31 1987-08-05 Sanyo Electric Co Ltd Color display device
JPS62210499A (en) * 1986-03-12 1987-09-16 株式会社日立製作所 Liquid crystal display unit

Also Published As

Publication number Publication date
JPH075461Y2 (en) 1995-02-08

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