KR102157245B1 - 광원 구동 방법 및 이를 수행하기 위한 표시 장치 - Google Patents

광원 구동 방법 및 이를 수행하기 위한 표시 장치 Download PDF

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Publication number
KR102157245B1
KR102157245B1 KR1020140018644A KR20140018644A KR102157245B1 KR 102157245 B1 KR102157245 B1 KR 102157245B1 KR 1020140018644 A KR1020140018644 A KR 1020140018644A KR 20140018644 A KR20140018644 A KR 20140018644A KR 102157245 B1 KR102157245 B1 KR 102157245B1
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KR
South Korea
Prior art keywords
color
value
dimming
pixel
block
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Application number
KR1020140018644A
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English (en)
Korean (ko)
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KR20150097896A (ko
Inventor
여동민
송희광
Original Assignee
삼성디스플레이 주식회사
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Application filed by 삼성디스플레이 주식회사 filed Critical 삼성디스플레이 주식회사
Priority to KR1020140018644A priority Critical patent/KR102157245B1/ko
Priority to JP2014164719A priority patent/JP6549360B2/ja
Priority to CN201410558910.1A priority patent/CN104851397B/zh
Publication of KR20150097896A publication Critical patent/KR20150097896A/ko
Application granted granted Critical
Publication of KR102157245B1 publication Critical patent/KR102157245B1/ko

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    • 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
    • G09G3/3406—Control of illumination source
    • G—PHYSICS
    • G02—OPTICS
    • G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
    • G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour 
    • G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour  based on liquid crystals, e.g. single liquid crystal display cells
    • G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
    • G02F1/1333—Constructional arrangements; Manufacturing methods
    • G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
    • G02F1/1336—Illuminating devices
    • G02F1/133602—Direct backlight
    • G02F1/133603—Direct backlight with LEDs
    • 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
    • G09G3/3406—Control of illumination source
    • G09G3/342—Control of illumination source using several illumination sources separately controlled corresponding to different display panel areas, e.g. along one dimension such as lines
    • G09G3/3426—Control of illumination source using several illumination sources separately controlled corresponding to different display panel areas, e.g. along one dimension such as lines the different display panel areas being distributed in two dimensions, e.g. matrix

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  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Computer Hardware Design (AREA)
  • Theoretical Computer Science (AREA)
  • Nonlinear Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Mathematical Physics (AREA)
  • Optics & Photonics (AREA)
  • Control Of Indicators Other Than Cathode Ray Tubes (AREA)
  • Liquid Crystal Display Device Control (AREA)
  • Liquid Crystal (AREA)
KR1020140018644A 2014-02-18 2014-02-18 광원 구동 방법 및 이를 수행하기 위한 표시 장치 KR102157245B1 (ko)

Priority Applications (3)

Application Number Priority Date Filing Date Title
KR1020140018644A KR102157245B1 (ko) 2014-02-18 2014-02-18 광원 구동 방법 및 이를 수행하기 위한 표시 장치
JP2014164719A JP6549360B2 (ja) 2014-02-18 2014-08-13 表示装置
CN201410558910.1A CN104851397B (zh) 2014-02-18 2014-10-20 驱动光源模块的方法和使用该方法的显示装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1020140018644A KR102157245B1 (ko) 2014-02-18 2014-02-18 광원 구동 방법 및 이를 수행하기 위한 표시 장치

Publications (2)

Publication Number Publication Date
KR20150097896A KR20150097896A (ko) 2015-08-27
KR102157245B1 true KR102157245B1 (ko) 2020-09-18

Family

ID=53851006

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1020140018644A KR102157245B1 (ko) 2014-02-18 2014-02-18 광원 구동 방법 및 이를 수행하기 위한 표시 장치

Country Status (3)

Country Link
JP (1) JP6549360B2 (zh)
KR (1) KR102157245B1 (zh)
CN (1) CN104851397B (zh)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106658852B (zh) * 2016-12-27 2019-01-25 广州市雅江光电设备有限公司 一种用于led灯具恒照度的计算方法
KR102545211B1 (ko) * 2018-01-10 2023-06-19 삼성전자주식회사 전자 장치 및 그 제어 방법
WO2020089150A1 (en) * 2018-11-01 2020-05-07 Signify Holding B.V. Selecting a method for extracting a color for a light effect from video content
KR20210036021A (ko) * 2019-09-25 2021-04-02 삼성전자주식회사 디스플레이 장치 및 그 제어방법

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20040040699A (ko) * 2002-11-07 2004-05-13 삼성전자주식회사 콘트라스트 보정 장치 및 방법
US8120570B2 (en) * 2004-12-02 2012-02-21 Sharp Laboratories Of America, Inc. Systems and methods for tone curve generation, selection and application
US8102360B2 (en) * 2008-05-07 2012-01-24 Solomon Systech Limited Methods and apparatus of dynamic backlight control
KR101611914B1 (ko) * 2009-12-18 2016-04-14 엘지디스플레이 주식회사 액정 표시 장치의 로컬 디밍 구동 방법 및 장치
KR20130050612A (ko) * 2011-11-08 2013-05-16 삼성전자주식회사 디스플레이장치 및 그 제어방법
CN102610197B (zh) * 2012-01-04 2014-11-05 香港应用科技研究院有限公司 调整侧向发光式背光源显示装置的亮度级

Also Published As

Publication number Publication date
CN104851397A (zh) 2015-08-19
JP6549360B2 (ja) 2019-07-24
KR20150097896A (ko) 2015-08-27
JP2015152919A (ja) 2015-08-24
CN104851397B (zh) 2019-04-05

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