TW200921605A - Power supply capable of reducing power consumption and method using the same - Google Patents

Power supply capable of reducing power consumption and method using the same Download PDF

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Publication number
TW200921605A
TW200921605A TW096141223A TW96141223A TW200921605A TW 200921605 A TW200921605 A TW 200921605A TW 096141223 A TW096141223 A TW 096141223A TW 96141223 A TW96141223 A TW 96141223A TW 200921605 A TW200921605 A TW 200921605A
Authority
TW
Taiwan
Prior art keywords
voltage
switch
power supply
output
capacitor
Prior art date
Application number
TW096141223A
Other languages
English (en)
Chinese (zh)
Other versions
TWI361423B (enExample
Inventor
Yun-Chi Chiang
Original Assignee
Richtek Technology 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 Richtek Technology Corp filed Critical Richtek Technology Corp
Priority to TW096141223A priority Critical patent/TW200921605A/zh
Priority to US12/289,410 priority patent/US7893664B2/en
Publication of TW200921605A publication Critical patent/TW200921605A/zh
Application granted granted Critical
Publication of TWI361423B publication Critical patent/TWI361423B/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
    • 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
    • G09G2330/02—Details of power systems and of start or stop of display operation
    • G09G2330/021—Power management, e.g. power saving
    • G09G2330/023—Power management, e.g. power saving using energy recovery or conservation
    • 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
    • G09G3/3696—Generation of voltages supplied to electrode drivers

Landscapes

  • Engineering & Computer Science (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)
  • Direct Current Feeding And Distribution (AREA)
TW096141223A 2007-11-01 2007-11-01 Power supply capable of reducing power consumption and method using the same TW200921605A (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
TW096141223A TW200921605A (en) 2007-11-01 2007-11-01 Power supply capable of reducing power consumption and method using the same
US12/289,410 US7893664B2 (en) 2007-11-01 2008-10-28 Power consumption reduction of a power supply

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
TW096141223A TW200921605A (en) 2007-11-01 2007-11-01 Power supply capable of reducing power consumption and method using the same

Publications (2)

Publication Number Publication Date
TW200921605A true TW200921605A (en) 2009-05-16
TWI361423B TWI361423B (enExample) 2012-04-01

Family

ID=40587504

Family Applications (1)

Application Number Title Priority Date Filing Date
TW096141223A TW200921605A (en) 2007-11-01 2007-11-01 Power supply capable of reducing power consumption and method using the same

Country Status (2)

Country Link
US (1) US7893664B2 (enExample)
TW (1) TW200921605A (enExample)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TWM340549U (en) * 2008-04-01 2008-09-11 Richtek Technology Corp Apparatus for decreasing internal power loss in integrated circuit package
TWI466087B (zh) * 2012-12-12 2014-12-21 Novatek Microelectronics Corp 源極驅動器
CN109036302B (zh) * 2018-07-20 2019-12-24 深圳市华星光电半导体显示技术有限公司 液晶显示器
KR102809788B1 (ko) * 2020-09-23 2025-05-19 삼성디스플레이 주식회사 표시 장치 및 표시 장치의 동작 방법

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TWI233543B (en) * 2003-10-01 2005-06-01 Mediatek Inc Fast-disabled voltage regulator circuit with low-noise feedback loop
TWI252967B (en) * 2004-07-19 2006-04-11 Richtek Techohnology Corp Output voltage overload suppression circuit applied in voltage regulator
JP4551155B2 (ja) * 2004-08-06 2010-09-22 ローム株式会社 制御回路、その制御回路を用いた電源装置および電子機器
JP4815564B2 (ja) * 2004-09-14 2011-11-16 エスティー‐エリクソン、ソシエテ、アノニム 動的オフセット補正を備えるｄｃ／ｄｃコンバータ

Also Published As

Publication number Publication date
US7893664B2 (en) 2011-02-22
TWI361423B (enExample) 2012-04-01
US20090115501A1 (en) 2009-05-07

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Legal Events

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