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WO2008117784A1 - 携帯電話端末、画像表示制御方法、そのプログラムおよびプログラム記録媒体 - Google Patents

携帯電話端末、画像表示制御方法、そのプログラムおよびプログラム記録媒体 Download PDF

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Publication number
WO2008117784A1
WO2008117784A1 PCT/JP2008/055479 JP2008055479W WO2008117784A1 WO 2008117784 A1 WO2008117784 A1 WO 2008117784A1 JP 2008055479 W JP2008055479 W JP 2008055479W WO 2008117784 A1 WO2008117784 A1 WO 2008117784A1
Authority
WO
WIPO (PCT)
Prior art keywords
value
program
gamma correction
brightness
phone terminal
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.)
Ceased
Application number
PCT/JP2008/055479
Other languages
English (en)
French (fr)
Inventor
Tatsuya Uchikawa
Satoshi Hosokawa
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.)
NEC Corp
Original Assignee
NEC 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
Application filed by NEC Corp filed Critical NEC Corp
Priority to EP08722745A priority Critical patent/EP2131350A4/en
Priority to CN2008800102031A priority patent/CN101647057B/zh
Priority to JP2009506335A priority patent/JPWO2008117784A1/ja
Priority to US12/532,180 priority patent/US8447363B2/en
Publication of WO2008117784A1 publication Critical patent/WO2008117784A1/ja
Anticipated expiration legal-status Critical
Priority to US13/866,148 priority patent/US20130231163A1/en
Ceased legal-status Critical Current

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
    • 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
    • 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
    • G09G2320/00—Control of display operating conditions
    • G09G2320/02—Improving the quality of display appearance
    • G09G2320/0271—Adjustment of the gradation levels within the range of the gradation scale, e.g. by redistribution or clipping
    • G09G2320/0276—Adjustment of the gradation levels within the range of the gradation scale, e.g. by redistribution or clipping for the purpose of adaptation to the characteristics of a display device, i.e. gamma correction
    • 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
    • G09G2320/0646—Modulation of illumination source brightness and image signal correlated to each other
    • 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
    • G09G2360/00—Aspects of the architecture of display systems
    • G09G2360/14—Detecting light within display terminals, e.g. using a single or a plurality of photosensors
    • G09G2360/144—Detecting light within display terminals, e.g. using a single or a plurality of photosensors the light being ambient light
    • 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
    • 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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M2250/00—Details of telephonic subscriber devices
    • H04M2250/12—Details of telephonic subscriber devices including a sensor for measuring a physical value, e.g. temperature or motion
    • 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)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Human Computer Interaction (AREA)
  • Physics & Mathematics (AREA)
  • Computer Hardware Design (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Control Of Indicators Other Than Cathode Ray Tubes (AREA)
  • Liquid Crystal Display Device Control (AREA)
  • Liquid Crystal (AREA)
  • Telephone Function (AREA)

Abstract

　表示品質を落とすことなく消費電力を低減可能な携帯電話端末を提供する。基準輝度値テーブル（５ａ）に表示画像の階調に応じたバックライト（３）の輝度レベルを基準輝度値として登録し、バックライト輝度設定値テーブル（６ａ）に基準輝度値に対応するＬＥＤドライバ（４）への駆動信号の信号レベルを輝度設定値として登録し、ガンマ補正値テーブル（７ａ）に表示画像の階調に応じた液晶パネルの駆動レベルを補正する値をガンマ補正値として登録する。バックライト輝度設定値テーブル（６ａ）から取得した駆動信号の信号レベルでＬＥＤドライバ（４）を駆動し、かつ、ガンマ補正値テーブル（７ａ）から取得したガンマ補正値で補正した値でＬＣＤドライバ（２）を駆動し、画像を表示する。各テーブルからの取得値は、ユーザ、使用シーン、照度センサ（１１）の検出結果により変更可能である。
PCT/JP2008/055479 2007-03-26 2008-03-25 携帯電話端末、画像表示制御方法、そのプログラムおよびプログラム記録媒体 Ceased WO2008117784A1 (ja)

Priority Applications (5)

Application Number Priority Date Filing Date Title
EP08722745A EP2131350A4 (en) 2007-03-26 2008-03-25 PORTABLE TELEPHONE END UNIT, PICTURE DISPLAY CONTROL METHOD, PROGRAM THEREFOR AND PROGRAMMING MEDIUM
CN2008800102031A CN101647057B (zh) 2007-03-26 2008-03-25 移动电话终端、图像显示控制方法及程序和程序记录介质
JP2009506335A JPWO2008117784A1 (ja) 2007-03-26 2008-03-25 携帯電話端末、画像表示制御方法、そのプログラムおよびプログラム記録媒体
US12/532,180 US8447363B2 (en) 2007-03-26 2008-03-25 Mobile phone terminal, image display control method, program thereof and program recording medium
US13/866,148 US20130231163A1 (en) 2007-03-26 2013-04-19 Mobile phone terminal, image display control method, program thereof and program recording medium

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
JP2007078271 2007-03-26
JP2007-078271 2007-03-26
JP2007-276133 2007-10-24
JP2007276133 2007-10-24

Related Child Applications (1)

Application Number Title Priority Date Filing Date
US13/866,148 Continuation US20130231163A1 (en) 2007-03-26 2013-04-19 Mobile phone terminal, image display control method, program thereof and program recording medium

Publications (1)

Publication Number Publication Date
WO2008117784A1 true WO2008117784A1 (ja) 2008-10-02

Family

ID=39788519

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2008/055479 Ceased WO2008117784A1 (ja) 2007-03-26 2008-03-25 携帯電話端末、画像表示制御方法、そのプログラムおよびプログラム記録媒体

Country Status (5)

Country Link
US (2) US8447363B2 (ja)
EP (3) EP2793217A3 (ja)
JP (2) JPWO2008117784A1 (ja)
CN (2) CN102568396A (ja)
WO (1) WO2008117784A1 (ja)

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JP2011007954A (ja) * 2009-06-24 2011-01-13 Fujitsu Ltd 表示装置
JP2011216944A (ja) * 2010-03-31 2011-10-27 Nec Corp 携帯端末装置、携帯端末装置の消費電力低減方法及びプログラム
JP2012173623A (ja) * 2011-02-23 2012-09-10 Fujitsu Ten Ltd 映像処理回路および映像表示装置
CN101436394B (zh) * 2008-12-22 2013-02-27 李鑫 液晶显示调整装置、液晶显示装置和图像信号的处理方法
JP2014130170A (ja) * 2012-12-27 2014-07-10 Ricoh Co Ltd 画像投射装置、及び制御方法
KR20140127569A (ko) * 2013-04-25 2014-11-04 엘지디스플레이 주식회사 휘도 및 감마 보상 방법과 이를 이용한 표시장치
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JP2016186560A (ja) * 2015-03-27 2016-10-27 キヤノン株式会社 表示装置及びその制御方法
JP2017528738A (ja) * 2015-08-13 2017-09-28 小米科技有限責任公司Ｘｉａｏｍｉ Ｉｎｃ． 表示輝度を下げる方法および装置
WO2019239929A1 (ja) * 2018-06-15 2019-12-19 シャープ株式会社 制御装置、表示装置および制御方法
JP2020507093A (ja) * 2017-12-05 2020-03-05 北京小米移動軟件有限公司Ｂｅｉｊｉｎｇ Ｘｉａｏｍｉ Ｍｏｂｉｌｅ Ｓｏｆｔｗａｒｅ Ｃｏ．，Ｌｔｄ． 画面表示制御の方法、装置、プログラム及び記録媒体

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CN106714383B (zh) * 2017-01-19 2018-07-24 深圳市汇德科技有限公司 一种led灯光控制方法
JP2018124458A (ja) * 2017-02-01 2018-08-09 パナソニック液晶ディスプレイ株式会社 液晶バックライト装置及び表示装置
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CN107731146A (zh) * 2017-10-20 2018-02-23 广东欧珀移动通信有限公司 亮度调节方法及相关产品
CN114860183A (zh) * 2021-02-04 2022-08-05 深圳Tcl数字技术有限公司 显示器亮度控制方法、装置、终端及计算机可读存储介质
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