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TW201115555A - Liquid crystal display and method for driving the same - Google Patents

Liquid crystal display and method for driving the same

Info

Publication number
TW201115555A
TW201115555A TW099116386A TW99116386A TW201115555A TW 201115555 A TW201115555 A TW 201115555A TW 099116386 A TW099116386 A TW 099116386A TW 99116386 A TW99116386 A TW 99116386A TW 201115555 A TW201115555 A TW 201115555A
Authority
TW
Taiwan
Prior art keywords
liquid crystal
crystal display
frame period
sub
driving circuit
Prior art date
Application number
TW099116386A
Other languages
Chinese (zh)
Other versions
TWI433126B (en
Inventor
Sun-Hwa Lee
Joon-Kyu Park
Ki-Duk Kim
Jong-Hoon Kim
Ja-Young Pyun
Original Assignee
Lg Display Co Ltd
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 Lg Display Co Ltd filed Critical Lg Display Co Ltd
Publication of TW201115555A publication Critical patent/TW201115555A/en
Application granted granted Critical
Publication of TWI433126B publication Critical patent/TWI433126B/en

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
    • 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
    • G09G3/2007—Display of intermediate tones
    • G09G3/2018—Display of intermediate tones by time modulation using two or more time intervals
    • G09G3/2022—Display of intermediate tones by time modulation using two or more time intervals using sub-frames
    • 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
    • G09G2310/02—Addressing, scanning or driving the display screen or processing steps related thereto
    • G09G2310/0237—Switching ON and OFF the backlight within one frame
    • 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
    • G09G2320/00—Control of display operating conditions
    • G09G2320/02—Improving the quality of display appearance
    • G09G2320/0252—Improving the response speed
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G2320/00—Control of display operating conditions
    • G09G2320/06—Adjustment of display parameters
    • G09G2320/0626—Adjustment of display parameters for control of overall brightness
    • G09G2320/0633—Adjustment of display parameters for control of overall brightness by amplitude modulation of the brightness of the illumination source

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Computer Hardware Design (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Liquid Crystal Display Device Control (AREA)
  • Control Of Indicators Other Than Cathode Ray Tubes (AREA)

Abstract

A liquid crystal display includes a liquid crystal display panel including data lines and gate lines, a data driving circuit configured to drive the data lines, a gate driving circuit configured to drive the gate lines, a timing controller configured to divide a unit frame period into a first sub-frame period and a second sub-frame period, a backlight unit configured to provide light to the liquid crystal display panel wherein the backlight unit includes a plurality of light sources, and a light source driving circuit configured to turn off all the plurality of light sources during the first sub-frame period and turns on all the plurality of light sources at a turn-on time within the second sub-frame period.
TW099116386A 2009-10-23 2010-05-21 Liquid crystal display and method for driving the same TWI433126B (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR20090101429 2009-10-23
KR1020100023893A KR101323523B1 (en) 2009-10-23 2010-03-17 Liquid crystal display and driving method thereof

Publications (2)

Publication Number Publication Date
TW201115555A true TW201115555A (en) 2011-05-01
TWI433126B TWI433126B (en) 2014-04-01

Family

ID=44049375

Family Applications (1)

Application Number Title Priority Date Filing Date
TW099116386A TWI433126B (en) 2009-10-23 2010-05-21 Liquid crystal display and method for driving the same

Country Status (2)

Country Link
KR (1) KR101323523B1 (en)
TW (1) TWI433126B (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TWI423223B (en) * 2011-05-12 2014-01-11 宏碁股份有限公司 Liquid crystal display device and backlight adjustment method thereof

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR102022639B1 (en) * 2012-12-10 2019-09-18 엘지디스플레이 주식회사 Liquid crystal display and dimming control method of thereof
KR102270207B1 (en) * 2014-11-27 2021-06-29 삼성디스플레이 주식회사 Display apparatus and method of driving the same
KR102404464B1 (en) * 2015-08-31 2022-05-31 엘지디스플레이 주식회사 Liquid Display Device And Method Of Driving The Same
WO2021033796A1 (en) 2019-08-20 2021-02-25 엘지전자 주식회사 Display device and method for operating same

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20070222740A1 (en) * 2006-03-22 2007-09-27 Sharp Kabushiki Kaisha Display apparatus, image data providing apparatus, and controlling method
JP5227502B2 (en) * 2006-09-15 2013-07-03 株式会社半導体エネルギー研究所 Liquid crystal display device driving method, liquid crystal display device, and electronic apparatus
JP5014768B2 (en) * 2006-12-18 2012-08-29 アルパイン株式会社 Display device and brightness adjustment method
JP2009109736A (en) * 2007-10-30 2009-05-21 Panasonic Corp Liquid crystal display device and driving method thereof

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TWI423223B (en) * 2011-05-12 2014-01-11 宏碁股份有限公司 Liquid crystal display device and backlight adjustment method thereof

Also Published As

Publication number Publication date
KR101323523B1 (en) 2013-10-29
TWI433126B (en) 2014-04-01
KR20110044682A (en) 2011-04-29

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Legal Events

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