DE69802487D1 - Anzeigesteuereinrichtung für eine Hintergrundbeleuchtung mit verbesserter Lichtausbeute - Google Patents

Anzeigesteuereinrichtung für eine Hintergrundbeleuchtung mit verbesserter Lichtausbeute

Info

Publication number
DE69802487D1
DE69802487D1 DE69802487T DE69802487T DE69802487D1 DE 69802487 D1 DE69802487 D1 DE 69802487D1 DE 69802487 T DE69802487 T DE 69802487T DE 69802487 T DE69802487 T DE 69802487T DE 69802487 D1 DE69802487 D1 DE 69802487D1
Authority
DE
Germany
Prior art keywords
backlight
control device
display control
luminous efficacy
improved luminous
Prior art date
Legal status (The legal status 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 status listed.)
Expired - Lifetime
Application number
DE69802487T
Other languages
English (en)
Other versions
DE69802487T2 (de
Inventor
Kazuo Izumi
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Sharp Corp
Original Assignee
Sharp 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
Priority claimed from JP26332697A external-priority patent/JPH11102171A/ja
Priority claimed from JP26332797A external-priority patent/JPH11102173A/ja
Application filed by Sharp Corp filed Critical Sharp Corp
Application granted granted Critical
Publication of DE69802487D1 publication Critical patent/DE69802487D1/de
Publication of DE69802487T2 publication Critical patent/DE69802487T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W52/00—Power management, e.g. Transmission Power Control [TPC] or power classes
    • H04W52/02—Power saving arrangements
    • H04W52/0209—Power saving arrangements in terminal devices
    • H04W52/0261—Power saving arrangements in terminal devices managing power supply demand, e.g. depending on battery level
    • H04W52/0267—Power saving arrangements in terminal devices managing power supply demand, e.g. depending on battery level by controlling user interface components
    • H04W52/027—Power saving arrangements in terminal devices managing power supply demand, e.g. depending on battery level by controlling user interface components by controlling a display operation or backlight unit
    • 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
    • G09G3/36—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
    • 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
    • G09G2320/0613—The adjustment depending on the type of the information to be displayed
    • G09G2320/062—Adjustment of illumination source parameters
    • 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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M1/00—Substation equipment, e.g. for use by subscribers
    • H04M1/02—Constructional features of telephone sets
    • H04M1/22—Illumination; Arrangements for improving the visibility of characters on dials
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
    • Y02D30/00—Reducing energy consumption in communication networks
    • Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks

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)
  • Human Computer Interaction (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Control Of Indicators Other Than Cathode Ray Tubes (AREA)
  • Liquid Crystal Display Device Control (AREA)
DE69802487T 1997-09-29 1998-08-07 Anzeigesteuereinrichtung für eine Hintergrundbeleuchtung mit verbesserter Lichtausbeute Expired - Lifetime DE69802487T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP26332697A JPH11102171A (ja) 1997-09-29 1997-09-29 表示制御装置及び表示制御プログラムを記録したコンピュータ読み取り可能な記録媒体
JP26332797A JPH11102173A (ja) 1997-09-29 1997-09-29 表示制御装置及び表示制御プログラムを記録したコンピュータ読み取り可能な記録媒体

Publications (2)

Publication Number Publication Date
DE69802487D1 true DE69802487D1 (de) 2001-12-20
DE69802487T2 DE69802487T2 (de) 2002-05-23

Family

ID=26545967

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69802487T Expired - Lifetime DE69802487T2 (de) 1997-09-29 1998-08-07 Anzeigesteuereinrichtung für eine Hintergrundbeleuchtung mit verbesserter Lichtausbeute

Country Status (3)

Country Link
US (1) US6219021B1 (de)
EP (1) EP0907158B1 (de)
DE (1) DE69802487T2 (de)

Families Citing this family (29)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6795929B2 (en) * 1990-03-23 2004-09-21 Matsushita Electric Industrial Co., Ltd. Data processing apparatus
US6704783B1 (en) * 1999-10-28 2004-03-09 Fujitsu Limited Reference state output system, reference state output method, and computer readable medium on which reference state output program is recorded
JP2001125894A (ja) * 1999-10-29 2001-05-11 Sony Corp 文書編集処理装置及び文書編集処理方法およびプログラム提供媒体
JP2001154642A (ja) * 1999-11-30 2001-06-08 Toshiba Corp 情報処理装置
JP4024444B2 (ja) 1999-12-27 2007-12-19 株式会社東芝 無線電話装置
WO2001048587A1 (en) * 1999-12-28 2001-07-05 Aiwa Co., Ltd. Electronic device with display function
US6822629B2 (en) * 2000-08-18 2004-11-23 Semiconductor Energy Laboratory Co., Ltd. Light emitting device
JP2002135374A (ja) * 2000-10-26 2002-05-10 Nec Corp 携帯電話装置、携帯電話装置の制御方法、及びその制御プログラムを記録した記録媒体
US7317439B2 (en) * 2000-10-30 2008-01-08 Matsushita Electric Industrial Co., Ltd. Electronic apparatus and recording medium therefor
JP3675720B2 (ja) * 2001-01-31 2005-07-27 オムロン株式会社 バックライト制御方法および表示装置
US6712535B2 (en) * 2001-04-30 2004-03-30 Microsoft Corporation Keyboard with improved lateral region
US6910818B2 (en) * 2001-04-30 2005-06-28 Microsoft Corporation Keyboard with improved function and editing sections
US6726106B1 (en) * 2002-04-02 2004-04-27 Good Technology, Inc. Power management and device illumination mechanisms for a personal digital assistant
US6664744B2 (en) * 2002-04-03 2003-12-16 Mitsubishi Electric Research Laboratories, Inc. Automatic backlight for handheld devices
JP2004053694A (ja) 2002-07-16 2004-02-19 Sharp Corp 表示装置、文字・図形表示制御方法、文字・図形表示プログラムおよび可読記録媒体
KR100471070B1 (ko) * 2002-07-29 2005-03-10 삼성전자주식회사 디스플레이장치 및 디스플레이장치의 조명장치제어방법
US7663597B2 (en) * 2003-07-16 2010-02-16 Honeywood Technologies, Llc LCD plateau power conservation
US7145558B2 (en) * 2003-09-03 2006-12-05 Motorola, Inc. Selective illumination of regions of an electronic display
US7221964B2 (en) 2004-02-27 2007-05-22 Research In Motion Limited LCD backlight duration proportional to amount of information on the LCD display screen
EP2175621A1 (de) * 2004-02-27 2010-04-14 Research in Motion Limited LCD-Hintergrundbeleuchtungsdauer proportional zur Menge der angezeigten Information auf dem LCD-Bildschirm
DE112005003759A5 (de) * 2005-09-16 2008-08-28 Siemens Aktiengesellschaft Elektrisches Feldgerät mit einer Anzeigevorrichtung
US9123189B2 (en) * 2007-02-12 2015-09-01 The Boeing Company System and method for point-of-use instruction
US20090158221A1 (en) * 2007-12-17 2009-06-18 Nokia Corporation Device feature manipulation based on presented content
CN101465952A (zh) * 2007-12-21 2009-06-24 鸿富锦精密工业（深圳）有限公司 电子装置
US20090207121A1 (en) * 2008-02-19 2009-08-20 Yung-Ho Shih Portable electronic device automatically controlling back light unit thereof and method for the same
JP5759686B2 (ja) 2009-08-06 2015-08-05 株式会社半導体エネルギー研究所 表示装置
EP2640047B1 (de) 2010-11-10 2016-08-03 NEC Corporation Tragbares endgerät und kommunikationssteuerverfahren
RU2523040C2 (ru) 2012-10-02 2014-07-20 ЭлДжи ЭЛЕКТРОНИКС ИНК. Регулировка яркости экрана для мобильного устройства
WO2014089837A1 (en) * 2012-12-14 2014-06-19 Hewlett-Packard Development Company, L.P. Dimming a display device

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3830695A1 (de) 1988-09-09 1990-03-22 Bosch Gmbh Robert Anzeigevorrichtung fuer kraftfahrzeuge
JPH02190895A (ja) 1989-01-20 1990-07-26 Nec Corp バックライト付液晶表示装置
US5233333A (en) * 1990-05-21 1993-08-03 Borsuk Sherwin M Portable hand held reading unit with reading aid feature
KR940001691B1 (ko) * 1990-06-25 1994-03-05 가부시기가이샤 도시바 배터리 구동식 퍼스널 컴퓨터
JP3764504B2 (ja) 1995-02-28 2006-04-12 ソニー株式会社 液晶表示装置
WO1997003432A1 (en) 1995-07-13 1997-01-30 Motorola Inc. Method and apparatus for backlighting a display for different times in a battery powered device

Also Published As

Publication number Publication date
DE69802487T2 (de) 2002-05-23
EP0907158B1 (de) 2001-11-14
EP0907158A1 (de) 1999-04-07
US6219021B1 (en) 2001-04-17

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