KR101989527B1 - 화상 표시 장치 및 화상 표시 방법 - Google Patents

화상 표시 장치 및 화상 표시 방법 Download PDF

Info

Publication number
KR101989527B1
KR101989527B1 KR1020170100484A KR20170100484A KR101989527B1 KR 101989527 B1 KR101989527 B1 KR 101989527B1 KR 1020170100484 A KR1020170100484 A KR 1020170100484A KR 20170100484 A KR20170100484 A KR 20170100484A KR 101989527 B1 KR101989527 B1 KR 101989527B1
Authority
KR
South Korea
Prior art keywords
image signal
luminance
block
lcd panel
gray image
Prior art date
Application number
KR1020170100484A
Other languages
English (en)
Korean (ko)
Other versions
KR20180034208A (ko
Inventor
츠토무 이치카와
히데오 나카야
Original Assignee
엘지디스플레이 주식회사
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 엘지디스플레이 주식회사 filed Critical 엘지디스플레이 주식회사
Publication of KR20180034208A publication Critical patent/KR20180034208A/ko
Application granted granted Critical
Publication of KR101989527B1 publication Critical patent/KR101989527B1/ko

Links

Images

Classifications

    • GPHYSICS
    • G09EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09GARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G3/00Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
    • G09G3/20Control 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
    • G09G3/34Control 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
    • G09G3/36Control 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
    • G09G3/3607Control 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 for displaying colours or for displaying grey scales with a specific pixel layout, e.g. using sub-pixels
    • GPHYSICS
    • G09EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09GARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G2310/00Command of the display device
    • G09G2310/02Addressing, scanning or driving the display screen or processing steps related thereto
    • G09G2310/0264Details of driving circuits
    • G09G2310/027Details of drivers for data electrodes, the drivers handling digital grey scale data, e.g. use of D/A converters
    • GPHYSICS
    • G09EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09GARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G2320/00Control of display operating conditions
    • G09G2320/06Adjustment of display parameters
    • G09G2320/066Adjustment of display parameters for control of contrast

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • Computer Hardware Design (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Liquid Crystal (AREA)
  • Control Of Indicators Other Than Cathode Ray Tubes (AREA)
  • Liquid Crystal Display Device Control (AREA)
  • Planar Illumination Modules (AREA)
  • Circuit Arrangement For Electric Light Sources In General (AREA)
KR1020170100484A 2016-09-26 2017-08-08 화상 표시 장치 및 화상 표시 방법 KR101989527B1 (ko)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JPJP-P-2016-186765 2016-09-26
JP2016186765A JP6836365B2 (ja) 2016-09-26 2016-09-26 画像表示装置および画像表示方法

Publications (2)

Publication Number Publication Date
KR20180034208A KR20180034208A (ko) 2018-04-04
KR101989527B1 true KR101989527B1 (ko) 2019-06-14

Family

ID=61836513

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1020170100484A KR101989527B1 (ko) 2016-09-26 2017-08-08 화상 표시 장치 및 화상 표시 방법

Country Status (2)

Country Link
JP (1) JP6836365B2 (ja)
KR (1) KR101989527B1 (ja)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113168049A (zh) * 2018-11-01 2021-07-23 夏普株式会社 背光源装置以及显示装置
CN109712578B (zh) * 2019-02-28 2020-08-25 厦门天马微电子有限公司 显示方法和显示装置
CN111785223A (zh) * 2019-04-04 2020-10-16 海信视像科技股份有限公司 一种双面板显示装置

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP5110360B2 (ja) * 2006-10-17 2012-12-26 Nltテクノロジー株式会社 液晶表示装置及び、その電子機器、画像送出用調整装置、画像切替え装置、画像診断装置
JP5122927B2 (ja) * 2007-12-04 2013-01-16 株式会社東芝 画像表示装置および画像表示方法
JP2010134269A (ja) * 2008-12-05 2010-06-17 Sharp Corp 液晶表示装置
KR20110061173A (ko) * 2009-12-01 2011-06-09 엘지디스플레이 주식회사 액정표시장치 및 그의 로컬디밍 제어방법
US9324250B2 (en) * 2011-09-09 2016-04-26 Dolby Laboratories Licensing Corporation High dynamic range displays comprising MEMS/IMOD components
KR101749229B1 (ko) * 2014-12-22 2017-06-20 엘지디스플레이 주식회사 화상 표시 방법 및 화상 표시 장치
JP6298759B2 (ja) 2014-12-22 2018-03-20 エルジー ディスプレイ カンパニー リミテッド 画像表示方法及び画像表示装置
KR102334243B1 (ko) * 2015-01-27 2021-12-01 엘지디스플레이 주식회사 액정표시장치

Also Published As

Publication number Publication date
JP6836365B2 (ja) 2021-03-03
JP2018054680A (ja) 2018-04-05
KR20180034208A (ko) 2018-04-04

Similar Documents

Publication Publication Date Title
WO2020029719A1 (zh) 一种双层液晶屏、背光亮度控制方法、装置及电子设备
JP5301681B2 (ja) 液晶表示装置
US8681190B2 (en) Liquid crystal display
KR101971145B1 (ko) 화상 표시 장치 및 화상 표시 방법
US7719512B2 (en) Liquid crystal display and method for driving the same
KR102073065B1 (ko) 액정표시장치와 그 구동방법
US8358293B2 (en) Method for driving light source blocks, driving unit for performing the method and display apparatus having the driving unit
KR102068963B1 (ko) 화상 표시 장치, 국소 휘도값 추정기 및 화상 표시 방법
US9349333B2 (en) Control circuit and display device equipped with the same
JP4882657B2 (ja) バックライト制御装置、バックライト制御方法、および液晶表示装置
US20100013866A1 (en) Light source device and liquid crystal display unit
WO2011036916A1 (ja) 表示装置ならびにその表示方法
KR101903912B1 (ko) Wrgb 색포화도를 향상시키는 방법
RU2502101C2 (ru) Устройство отображения
KR20050067678A (ko) 액정 디스플레이 장치
KR101989527B1 (ko) 화상 표시 장치 및 화상 표시 방법
WO2015174144A1 (ja) バックライト装置およびそれを備えた液晶表示装置
US8983220B2 (en) Error diffusion method and liquid crystal display using the same
KR102185676B1 (ko) 백라이트 디밍 제어 장치
KR102438252B1 (ko) 하이 다이나믹 레인지를 위한 4색 표시 장치
KR20180034207A (ko) 화상 표시 장치 및 화상 표시 방법
KR20100033731A (ko) 광원블록들의 구동방법, 이를 수행하기 위한 콘트롤러 보드및 이를 갖는 표시장치
KR100612303B1 (ko) 액정 표시 장치 및 그 감마 보정 방법
KR20080023578A (ko) 액정표시장치 및 그 구동방법
CN117059041A (zh) 一种lcd背光控制显示***

Legal Events

Date Code Title Description
A201 Request for examination
E902 Notification of reason for refusal
E701 Decision to grant or registration of patent right
GRNT Written decision to grant