BRPI0920123A2 - dispositivo de monitor de cristal líquido - Google Patents

dispositivo de monitor de cristal líquido

Info

Publication number
BRPI0920123A2
BRPI0920123A2 BRPI0920123A BRPI0920123A BRPI0920123A2 BR PI0920123 A2 BRPI0920123 A2 BR PI0920123A2 BR PI0920123 A BRPI0920123 A BR PI0920123A BR PI0920123 A BRPI0920123 A BR PI0920123A BR PI0920123 A2 BRPI0920123 A2 BR PI0920123A2
Authority
BR
Brazil
Prior art keywords
liquid crystal
monitor device
crystal monitor
liquid
monitor
Prior art date
Application number
BRPI0920123A
Other languages
English (en)
Inventor
Kohji Fujiwara
Takayuki Murai
Tomohiko Yamamoto
Original Assignee
Sharp Kk
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 Sharp Kk filed Critical Sharp Kk
Publication of BRPI0920123A2 publication Critical patent/BRPI0920123A2/pt

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
    • G09G3/3406—Control of illumination source
    • 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
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B45/00—Circuit arrangements for operating light-emitting diodes [LED]
    • H05B45/10—Controlling the intensity of the light
    • H05B45/18—Controlling the intensity of the light using temperature feedback
    • 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
    • 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
    • G02F1/133611—Direct backlight including means for improving the brightness uniformity
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G2300/00—Aspects of the constitution of display devices
    • G09G2300/04—Structural and physical details of display devices
    • G09G2300/0421—Structural details of the set of electrodes
    • G09G2300/0426—Layout of electrodes and connections
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G2300/00—Aspects of the constitution of display devices
    • G09G2300/04—Structural and physical details of display devices
    • G09G2300/0439—Pixel structures
    • 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
    • G09G2320/0233—Improving the luminance or brightness uniformity across the screen
    • 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
    • G09G2320/04—Maintaining the quality of display appearance
    • G09G2320/041—Temperature compensation
    • 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
    • G09G2320/064—Adjustment of display parameters for control of overall brightness by time modulation of the brightness of the illumination source
    • 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
    • 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
    • G09G3/22—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 using controlled light sources
    • G09G3/30—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 using controlled light sources using electroluminescent panels
    • G09G3/32—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 using controlled light sources using electroluminescent panels semiconductive, e.g. using light-emitting diodes [LED]
    • G09G3/3208—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 using controlled light sources using electroluminescent panels semiconductive, e.g. using light-emitting diodes [LED] organic, e.g. using organic light-emitting diodes [OLED]
    • G09G3/3225—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 using controlled light sources using electroluminescent panels semiconductive, e.g. using light-emitting diodes [LED] organic, e.g. using organic light-emitting diodes [OLED] using an active matrix
    • G09G3/3233—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 using controlled light sources using electroluminescent panels semiconductive, e.g. using light-emitting diodes [LED] organic, e.g. using organic light-emitting diodes [OLED] using an active matrix with pixel circuitry controlling the current through the light-emitting element
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Computer Hardware Design (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Liquid Crystal (AREA)
  • Devices For Indicating Variable Information By Combining Individual Elements (AREA)
  • Liquid Crystal Display Device Control (AREA)
  • Control Of Indicators Other Than Cathode Ray Tubes (AREA)
BRPI0920123A 2008-10-14 2009-07-22 dispositivo de monitor de cristal líquido BRPI0920123A2 (pt)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2008265302 2008-10-14
PCT/JP2009/063120 WO2010044300A1 (ja) 2008-10-14 2009-07-22 液晶表示装置

Publications (1)

Publication Number Publication Date
BRPI0920123A2 true BRPI0920123A2 (pt) 2016-01-12

Family

ID=42106467

Family Applications (1)

Application Number Title Priority Date Filing Date
BRPI0920123A BRPI0920123A2 (pt) 2008-10-14 2009-07-22 dispositivo de monitor de cristal líquido

Country Status (7)

Country Link
US (1) US20110199401A1 (pt)
EP (1) EP2339393A4 (pt)
JP (1) JP5394387B2 (pt)
CN (1) CN102187266A (pt)
BR (1) BRPI0920123A2 (pt)
RU (1) RU2467366C1 (pt)
WO (1) WO2010044300A1 (pt)

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JP2012118313A (ja) * 2010-12-01 2012-06-21 Mitsumi Electric Co Ltd 輝度制御装置、該輝度制御装置を備えた表示装置、及び照明装置
US8907991B2 (en) * 2010-12-02 2014-12-09 Ignis Innovation Inc. System and methods for thermal compensation in AMOLED displays
CN102788649B (zh) * 2011-05-20 2016-08-03 富泰华工业（深圳）有限公司 自动温度测试***及温度测试方法
US8687026B2 (en) * 2011-09-28 2014-04-01 Apple Inc. Systems and method for display temperature detection
CN102620187A (zh) * 2012-02-15 2012-08-01 深圳市华星光电技术有限公司 背光模组
CN102592520A (zh) * 2012-02-27 2012-07-18 郭丰亮 基于led可见光通信的lcd背光平板显示器
CN102855823A (zh) * 2012-08-28 2013-01-02 李崇 具有良好视觉效果的全色led显示屏
CN102883506B (zh) * 2012-09-21 2014-10-29 东南大学 阵列式led照明灯具中心区域温度动态控制方法
JP2014123051A (ja) * 2012-12-21 2014-07-03 Eizo Corp 輝度制御方法および液晶表示装置
KR20150014194A (ko) * 2013-07-29 2015-02-06 삼성디스플레이 주식회사 백라이트 어셈블리 및 이를 포함하는 액정표시장치
CN103453402B (zh) * 2013-08-28 2016-09-14 昆山龙腾光电有限公司 背光模组
JP6843886B2 (ja) 2016-06-21 2021-03-17 ドルビー ラボラトリーズ ライセンシング コーポレイション 高輝度光場のもとでの液晶ディスプレイ応答変動の補償
CN108877642A (zh) * 2017-05-12 2018-11-23 京东方科技集团股份有限公司 发光组件、显示基板和显示装置
CN109345963B (zh) * 2018-10-12 2020-12-18 芯光科技新加坡有限公司 一种显示装置及其封装方法
CN110221468A (zh) * 2019-06-10 2019-09-10 北海惠科光电技术有限公司 显示面板及其温度补偿方法、显示装置
FR3116986B1 (fr) * 2020-12-02 2024-04-12 Valeo Vision Procédé de pilotage en tension pour une source lumineuse pixélisée

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US6306315B1 (en) * 1998-02-27 2001-10-23 Denso Corporation Thermistor device thermistor device manufacturing method and temperature sensor
JP2005051114A (ja) * 2003-07-30 2005-02-24 Toshiba Corp Ｌｅｄ駆動装置
JP4182930B2 (ja) * 2004-07-12 2008-11-19 ソニー株式会社 表示装置及びバックライト装置
TWI261136B (en) * 2004-08-03 2006-09-01 Au Optronics Corp Structures and methods of temperature compensation for LCD modules
TWI248321B (en) * 2004-10-18 2006-01-21 Chi Mei Optoelectronics Corp Active organic electroluminescence display panel module and driving module thereof
KR100735460B1 (ko) * 2005-09-09 2007-07-03 삼성전기주식회사 온도 보상 기능을 갖는 ｌｅｄ 구동 제어 회로
US7638754B2 (en) * 2005-10-07 2009-12-29 Sharp Kabushiki Kaisha Backlight device, display apparatus including backlight device, method for driving backlight device, and method for adjusting backlight device
JP4884744B2 (ja) * 2005-10-07 2012-02-29 シャープ株式会社 バックライト装置及びこれを備える表示装置
JP2007109553A (ja) * 2005-10-14 2007-04-26 Toshiba Matsushita Display Technology Co Ltd 照明装置及び液晶表示装置
RU52492U1 (ru) * 2005-11-15 2006-03-27 Закрытое Акционерное Общество "Транзас" Светодиодная система для подсветки приборной панели
JP2007165632A (ja) * 2005-12-14 2007-06-28 Sharp Corp Ｌｅｄバックライト装置及び画像表示装置
JP5076572B2 (ja) * 2006-04-03 2012-11-21 セイコーエプソン株式会社 画像表示装置、及び画像表示方法
JP2007324493A (ja) * 2006-06-03 2007-12-13 Nichia Chem Ind Ltd 発光装置、発光素子駆動回路及び発光素子の駆動方法
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KR20080033771A (ko) * 2006-10-13 2008-04-17 삼성전자주식회사 백라이트 유닛의 구동장치, 이를 구비한 액정표시장치, 및그 제어방법
KR100798111B1 (ko) * 2006-11-21 2008-01-28 주식회사 우영 백라이트 제어 장치 및 그를 포함하는 백라이트 구동 장치
JP4889520B2 (ja) * 2007-02-22 2012-03-07 シャープ株式会社 映像表示装置
JP2008288396A (ja) * 2007-05-17 2008-11-27 Sharp Corp 定電流回路、発光装置、発光装置アレイ、カラー表示装置、バックライト、照明装置
WO2009016913A1 (ja) * 2007-07-27 2009-02-05 Sharp Kabushiki Kaisha 照明装置および液晶表示装置
KR101494320B1 (ko) * 2007-10-05 2015-02-23 삼성디스플레이 주식회사 백라이트 어셈블리 및 이를 갖는 표시장치

Also Published As

Publication number Publication date
EP2339393A4 (en) 2011-09-21
US20110199401A1 (en) 2011-08-18
JP5394387B2 (ja) 2014-01-22
CN102187266A (zh) 2011-09-14
WO2010044300A1 (ja) 2010-04-22
EP2339393A1 (en) 2011-06-29
RU2467366C1 (ru) 2012-11-20
JPWO2010044300A1 (ja) 2012-03-15

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B08F Application fees: dismissal - article 86 of industrial property law

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B08K Lapse as no evidence of payment of the annual fee has been furnished to inpi (acc. art. 87)

Free format text: EM VIRTUDE DO ARQUIVAMENTO PUBLICADO NA RPI 2384 DE 13-09-2016 E CONSIDERANDO AUSENCIA DE MANIFESTACAO DENTRO DOS PRAZOS LEGAIS, INFORMO QUE CABE SER MANTIDO O ARQUIVAMENTO DO PEDIDO DE PATENTE, CONFORME O DISPOSTO NO ARTIGO 12, DA RESOLUCAO 113/2013.

B15K Others concerning applications: alteration of classification

Ipc: H05B 33/08 (2006.01), G09G 3/34 (2006.01), G02F 1/