JP4118971B2 - 多階調液晶ドライバ - Google Patents

多階調液晶ドライバ Download PDF

Info

Publication number
JP4118971B2
JP4118971B2 JP04246797A JP4246797A JP4118971B2 JP 4118971 B2 JP4118971 B2 JP 4118971B2 JP 04246797 A JP04246797 A JP 04246797A JP 4246797 A JP4246797 A JP 4246797A JP 4118971 B2 JP4118971 B2 JP 4118971B2
Authority
JP
Japan
Prior art keywords
liquid crystal
string
taps
voltage
series
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
JP04246797A
Other languages
English (en)
Japanese (ja)
Other versions
JPH10240192A (ja
JPH10240192A5 (enExample
Inventor
長生 神谷
Original Assignee
ティーピーオー ホンコン ホールディング リミテッド
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 ティーピーオー ホンコン ホールディング リミテッド filed Critical ティーピーオー ホンコン ホールディング リミテッド
Priority to JP04246797A priority Critical patent/JP4118971B2/ja
Publication of JPH10240192A publication Critical patent/JPH10240192A/ja
Publication of JPH10240192A5 publication Critical patent/JPH10240192A5/ja
Application granted granted Critical
Publication of JP4118971B2 publication Critical patent/JP4118971B2/ja
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Images

Landscapes

  • Liquid Crystal (AREA)
  • Liquid Crystal Display Device Control (AREA)
JP04246797A 1997-02-26 1997-02-26 多階調液晶ドライバ Expired - Fee Related JP4118971B2 (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP04246797A JP4118971B2 (ja) 1997-02-26 1997-02-26 多階調液晶ドライバ

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP04246797A JP4118971B2 (ja) 1997-02-26 1997-02-26 多階調液晶ドライバ

Publications (3)

Publication Number Publication Date
JPH10240192A JPH10240192A (ja) 1998-09-11
JPH10240192A5 JPH10240192A5 (enExample) 2005-02-03
JP4118971B2 true JP4118971B2 (ja) 2008-07-16

Family

ID=12636887

Family Applications (1)

Application Number Title Priority Date Filing Date
JP04246797A Expired - Fee Related JP4118971B2 (ja) 1997-02-26 1997-02-26 多階調液晶ドライバ

Country Status (1)

Country Link
JP (1) JP4118971B2 (enExample)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100456987B1 (ko) 2001-04-10 2004-11-10 가부시키가이샤 히타치세이사쿠쇼 표시 데이터를 표시하기 위한 표시 장치 및 표시 구동 장치
KR100835925B1 (ko) * 2001-08-17 2008-06-09 엘지디스플레이 주식회사 감마전압 발생장치와 이를 포함하는 집적회로 및 그구동방법
KR102017827B1 (ko) * 2013-01-11 2019-10-21 엘지디스플레이 주식회사 감마전압 발생부 및 이를 포함하는 액정표시장치
JP2016099555A (ja) * 2014-11-25 2016-05-30 ラピスセミコンダクタ株式会社 階調電圧生成回路及び映像表示装置
US11212424B2 (en) * 2018-10-05 2021-12-28 Synaptics Incorporated Device and method for compensation of power source voltage drop

Also Published As

Publication number Publication date
JPH10240192A (ja) 1998-09-11

Similar Documents

Publication Publication Date Title
JP4437378B2 (ja) 液晶駆動装置
US6437716B2 (en) Gray scale display reference voltage generating circuit capable of changing gamma correction characteristic and LCD drive unit employing the same
JP2005010276A (ja) ガンマ補正回路、液晶駆動回路、表示装置、電源回路
TW417077B (en) Liquid crystal driving circuit and liquid crystal display device
JP4278510B2 (ja) 液晶表示装置及び駆動方法
US7173597B2 (en) Signal-adjusted LCD control unit
US6750839B1 (en) Grayscale reference generator
US20080252665A1 (en) Current driver and display device
US20090167659A1 (en) Liquid crystal display and driving method thereof
US8022910B2 (en) Liquid crystal display and driving method thereof
US20040075674A1 (en) Gamma correction apparatus for a liquid crystal display
US20040056868A1 (en) Gamma correcting circuit and panel drive apparatus equipped with gamma correcting circuit
US7944411B2 (en) Current-drive circuit and apparatus for display panel
KR100209643B1 (ko) 액정표시소자 구동회로
US6424281B1 (en) DAC with adjusting digital codes corresponded to reference voltages
US7714811B2 (en) Light-emitting device and method of driving the same
JP4936854B2 (ja) 表示装置、及び表示パネルドライバ
CN100541591C (zh) 显示装置用驱动装置
JP4118971B2 (ja) 多階調液晶ドライバ
CN101595516A (zh) 针对显示驱动信号的伽玛校正的方法及装置
US20090219307A1 (en) Lcd driver circuit
JPH0884307A (ja) ガンマ補正を行うディジタル・アナログ変換装置及び液晶表示装置
US7385581B2 (en) Driving voltage control device, display device and driving voltage control method
CN100466054C (zh) 电光装置
US20090140779A1 (en) Method and apparatus for driving capacitive load, and lcd

Legal Events

Date Code Title Description
A521 Written amendment

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20040226

A621 Written request for application examination

Free format text: JAPANESE INTERMEDIATE CODE: A621

Effective date: 20040226

A711 Notification of change in applicant

Free format text: JAPANESE INTERMEDIATE CODE: A711

Effective date: 20070531

A977 Report on retrieval

Free format text: JAPANESE INTERMEDIATE CODE: A971007

Effective date: 20070709

A711 Notification of change in applicant

Free format text: JAPANESE INTERMEDIATE CODE: A711

Effective date: 20070726

A072 Dismissal of procedure [no reply to invitation to correct request for examination]

Free format text: JAPANESE INTERMEDIATE CODE: A073

Effective date: 20070828

A131 Notification of reasons for refusal

Free format text: JAPANESE INTERMEDIATE CODE: A131

Effective date: 20070911

A521 Written amendment

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20071203

TRDD Decision of grant or rejection written
A01 Written decision to grant a patent or to grant a registration (utility model)

Free format text: JAPANESE INTERMEDIATE CODE: A01

Effective date: 20080325

A61 First payment of annual fees (during grant procedure)

Free format text: JAPANESE INTERMEDIATE CODE: A61

Effective date: 20080424

R150 Certificate of patent or registration of utility model

Free format text: JAPANESE INTERMEDIATE CODE: R150

FPAY Renewal fee payment (event date is renewal date of database)

Free format text: PAYMENT UNTIL: 20110502

Year of fee payment: 3

FPAY Renewal fee payment (event date is renewal date of database)

Free format text: PAYMENT UNTIL: 20110502

Year of fee payment: 3

FPAY Renewal fee payment (event date is renewal date of database)

Free format text: PAYMENT UNTIL: 20120502

Year of fee payment: 4

FPAY Renewal fee payment (event date is renewal date of database)

Free format text: PAYMENT UNTIL: 20120502

Year of fee payment: 4

FPAY Renewal fee payment (event date is renewal date of database)

Free format text: PAYMENT UNTIL: 20130502

Year of fee payment: 5

FPAY Renewal fee payment (event date is renewal date of database)

Free format text: PAYMENT UNTIL: 20140502

Year of fee payment: 6

R250 Receipt of annual fees

Free format text: JAPANESE INTERMEDIATE CODE: R250

R250 Receipt of annual fees

Free format text: JAPANESE INTERMEDIATE CODE: R250

LAPS Cancellation because of no payment of annual fees