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TWI367475B - Hod for reducing audio noise of display and driving device thereof - Google Patents

Hod for reducing audio noise of display and driving device thereof

Info

Publication number
TWI367475B
TWI367475B TW096135917A TW96135917A TWI367475B TW I367475 B TWI367475 B TW I367475B TW 096135917 A TW096135917 A TW 096135917A TW 96135917 A TW96135917 A TW 96135917A TW I367475 B TWI367475 B TW I367475B
Authority
TW
Taiwan
Prior art keywords
hod
display
driving device
audio noise
reducing audio
Prior art date
Application number
TW096135917A
Other languages
English (en)
Other versions
TW200915280A (en
Inventor
Fu Yen Cheng
Chia Yin Chiang
Original Assignee
Novatek Microelectronics Corp
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 Novatek Microelectronics Corp filed Critical Novatek Microelectronics Corp
Priority to TW096135917A priority Critical patent/TWI367475B/zh
Priority to US11/947,793 priority patent/US8115712B2/en
Publication of TW200915280A publication Critical patent/TW200915280A/zh
Application granted granted Critical
Publication of TWI367475B publication Critical patent/TWI367475B/zh

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
    • G09G3/3648—Control of matrices with row and column drivers using an active matrix
    • G09G3/3655—Details of drivers for counter electrodes, e.g. common electrodes for pixel capacitors or supplementary storage capacitors
    • 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
    • G09G2310/08—Details of timing specific for flat panels, other than clock recovery
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G2330/00—Aspects of power supply; Aspects of display protection and defect management
    • G09G2330/06—Handling electromagnetic interferences [EMI], covering emitted as well as received electromagnetic radiation
    • 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
    • G09G3/3614—Control of polarity reversal in general

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • Computer Hardware Design (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Control Of Indicators Other Than Cathode Ray Tubes (AREA)
  • Liquid Crystal Display Device Control (AREA)
TW096135917A 2007-09-27 2007-09-27 Hod for reducing audio noise of display and driving device thereof TWI367475B (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
TW096135917A TWI367475B (en) 2007-09-27 2007-09-27 Hod for reducing audio noise of display and driving device thereof
US11/947,793 US8115712B2 (en) 2007-09-27 2007-11-30 Method for reducing audio noise of display and driving device thereof

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
TW096135917A TWI367475B (en) 2007-09-27 2007-09-27 Hod for reducing audio noise of display and driving device thereof

Publications (2)

Publication Number Publication Date
TW200915280A TW200915280A (en) 2009-04-01
TWI367475B true TWI367475B (en) 2012-07-01

Family

ID=40508400

Family Applications (1)

Application Number Title Priority Date Filing Date
TW096135917A TWI367475B (en) 2007-09-27 2007-09-27 Hod for reducing audio noise of display and driving device thereof

Country Status (2)

Country Link
US (1) US8115712B2 (zh)
TW (1) TWI367475B (zh)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TWI421842B (zh) * 2009-12-22 2014-01-01 Innolux Corp 液晶顯示器
TWI489437B (zh) * 2010-06-02 2015-06-21 Novatek Microelectronics Corp 驅動模組、驅動方法及液晶顯示裝置
CN103457453B (zh) * 2012-06-04 2016-05-11 台达电子工业股份有限公司 一种用于降低音频噪音的控制方法

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0833714B2 (ja) * 1989-10-16 1996-03-29 シャープ株式会社 表示制御装置
JPH08106358A (ja) * 1994-08-10 1996-04-23 Fujitsu Ltd タブレット機能付き液晶表示装置、アクティブマトリクス型液晶表示装置及びタブレット機能付き液晶表示装置の駆動方法
JPH10340070A (ja) * 1997-06-09 1998-12-22 Hitachi Ltd 液晶表示装置
TWI267049B (en) * 2000-05-09 2006-11-21 Sharp Kk Image display device, and electronic apparatus using the same
JP3458851B2 (ja) * 2000-12-01 2003-10-20 セイコーエプソン株式会社 液晶表示装置、画像信号補正回路、画像信号補正方法および電子機器
JP2005024583A (ja) * 2003-06-30 2005-01-27 Renesas Technology Corp 液晶駆動装置
JP3726910B2 (ja) * 2003-07-18 2005-12-14 セイコーエプソン株式会社 表示ドライバ及び電気光学装置
JP2007011095A (ja) * 2005-07-01 2007-01-18 Hitachi Displays Ltd 液晶表示装置
KR20070033532A (ko) * 2005-09-21 2007-03-27 삼성전자주식회사 접촉 감지 기능이 있는 표시 장치, 그 구동 장치 및 감지신호 처리 방법
JP2007122030A (ja) * 2005-09-30 2007-05-17 Toshiba Matsushita Display Technology Co Ltd 液晶表示装置
KR100741471B1 (ko) * 2006-09-29 2007-07-20 삼성전자주식회사 래치-업이 발생하지 않는 부스팅 스킴
JP5332156B2 (ja) * 2006-10-10 2013-11-06 セイコーエプソン株式会社 電源回路、駆動回路、電気光学装置、電子機器及び対向電極駆動方法
KR100899157B1 (ko) * 2007-06-25 2009-05-27 엘지디스플레이 주식회사 액정표시장치와 그 구동 방법

Also Published As

Publication number Publication date
TW200915280A (en) 2009-04-01
US8115712B2 (en) 2012-02-14
US20090086994A1 (en) 2009-04-02

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Legal Events

Date Code Title Description
MM4A Annulment or lapse of patent due to non-payment of fees