ATE366949T1 - Doppelfunktionslichtleiter für eine rückbeleuchtungseinrichtung einer lcd anzeige - Google Patents

Doppelfunktionslichtleiter für eine rückbeleuchtungseinrichtung einer lcd anzeige

Info

Publication number
ATE366949T1
ATE366949T1 AT05101523T AT05101523T ATE366949T1 AT E366949 T1 ATE366949 T1 AT E366949T1 AT 05101523 T AT05101523 T AT 05101523T AT 05101523 T AT05101523 T AT 05101523T AT E366949 T1 ATE366949 T1 AT E366949T1
Authority
AT
Austria
Prior art keywords
light
light guide
dual
lcd display
display device
Prior art date
Application number
AT05101523T
Other languages
English (en)
Inventor
Robert J Lowles
Marc A Drader
James Robinson
Original Assignee
Research In Motion Ltd
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 Research In Motion Ltd filed Critical Research In Motion Ltd
Application granted granted Critical
Publication of ATE366949T1 publication Critical patent/ATE366949T1/de

Links

Classifications

    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06FELECTRIC DIGITAL DATA PROCESSING
    • G06F1/00Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
    • G06F1/26Power supply means, e.g. regulation thereof
    • G06F1/32Means for saving power
    • G06F1/3203Power management, i.e. event-based initiation of a power-saving mode
    • AHUMAN NECESSITIES
    • A63SPORTS; GAMES; AMUSEMENTS
    • A63HTOYS, e.g. TOPS, DOLLS, HOOPS OR BUILDING BLOCKS
    • A63H33/00Other toys
    • A63H33/18Throwing or slinging toys, e.g. flying disc toys
    • GPHYSICS
    • G02OPTICS
    • G02FOPTICAL 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
    • G02F1/00Devices 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
    • G02F1/01Devices 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 
    • G02F1/13Devices 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
    • G02F1/133Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
    • G02F1/1333Constructional arrangements; Manufacturing methods
    • G02F1/1335Structural association of cells with optical devices, e.g. polarisers or reflectors
    • G02F1/1336Illuminating devices
    • G02F1/133615Edge-illuminating devices, i.e. illuminating from the side
    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06FELECTRIC DIGITAL DATA PROCESSING
    • G06F1/00Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
    • G06F1/26Power supply means, e.g. regulation thereof
    • G06F1/32Means for saving power
    • G06F1/3203Power management, i.e. event-based initiation of a power-saving mode
    • G06F1/3234Power saving characterised by the action undertaken
    • G06F1/325Power saving in peripheral device
    • G06F1/3265Power saving in display device
    • 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
    • G09G3/3406Control of illumination source
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04MTELEPHONIC COMMUNICATION
    • H04M1/00Substation equipment, e.g. for use by subscribers
    • H04M1/02Constructional features of telephone sets
    • H04M1/22Illumination; Arrangements for improving the visibility of characters on dials
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04MTELEPHONIC COMMUNICATION
    • H04M19/00Current supply arrangements for telephone systems
    • H04M19/02Current supply arrangements for telephone systems providing ringing current or supervisory tones, e.g. dialling tone or busy tone
    • H04M19/04Current supply arrangements for telephone systems providing ringing current or supervisory tones, e.g. dialling tone or busy tone the ringing-current being generated at the substations
    • GPHYSICS
    • G02OPTICS
    • G02FOPTICAL 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
    • G02F1/00Devices 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
    • G02F1/01Devices 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 
    • G02F1/13Devices 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
    • G02F1/133Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
    • G02F1/1333Constructional arrangements; Manufacturing methods
    • G02F1/1335Structural association of cells with optical devices, e.g. polarisers or reflectors
    • G02F1/1336Illuminating devices
    • G02F1/133618Illuminating devices for ambient light
    • GPHYSICS
    • G02OPTICS
    • G02FOPTICAL 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
    • G02F1/00Devices 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
    • G02F1/01Devices 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 
    • G02F1/13Devices 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
    • G02F1/133Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
    • G02F1/1333Constructional arrangements; Manufacturing methods
    • G02F1/1337Surface-induced orientation of the liquid crystal molecules, e.g. by alignment layers
    • G02F1/133711Surface-induced orientation of the liquid crystal molecules, e.g. by alignment layers by organic films, e.g. polymeric films
    • G02F1/133715Surface-induced orientation of the liquid crystal molecules, e.g. by alignment layers by organic films, e.g. polymeric films by first depositing a monomer
    • GPHYSICS
    • G02OPTICS
    • G02FOPTICAL 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
    • G02F2201/00Constructional arrangements not provided for in groups G02F1/00 - G02F7/00
    • G02F2201/58Arrangements comprising a monitoring photodetector
    • 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
    • G09G2320/0626Adjustment of display parameters for control of overall brightness
    • GPHYSICS
    • G09EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09GARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G2360/00Aspects of the architecture of display systems
    • G09G2360/14Detecting light within display terminals, e.g. using a single or a plurality of photosensors
    • G09G2360/144Detecting light within display terminals, e.g. using a single or a plurality of photosensors the light being ambient light
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04MTELEPHONIC COMMUNICATION
    • H04M19/00Current supply arrangements for telephone systems
    • H04M19/02Current supply arrangements for telephone systems providing ringing current or supervisory tones, e.g. dialling tone or busy tone
    • H04M19/04Current supply arrangements for telephone systems providing ringing current or supervisory tones, e.g. dialling tone or busy tone the ringing-current being generated at the substations
    • H04M19/048Arrangements providing optical indication of the incoming call, e.g. flasher circuits
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04MTELEPHONIC COMMUNICATION
    • H04M2250/00Details of telephonic subscriber devices
    • H04M2250/12Details of telephonic subscriber devices including a sensor for measuring a physical value, e.g. temperature or motion
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02DCLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
    • Y02D10/00Energy efficient computing, e.g. low power processors, power management or thermal management

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • General Engineering & Computer Science (AREA)
  • Nonlinear Science (AREA)
  • Signal Processing (AREA)
  • Mathematical Physics (AREA)
  • Chemical & Material Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Optics & Photonics (AREA)
  • Computer Hardware Design (AREA)
  • Liquid Crystal Display Device Control (AREA)
  • Telephone Function (AREA)
  • Liquid Crystal (AREA)
  • Circuit Arrangement For Electric Light Sources In General (AREA)
  • Control Of Indicators Other Than Cathode Ray Tubes (AREA)
  • Devices For Indicating Variable Information By Combining Individual Elements (AREA)
  • Telephone Set Structure (AREA)
  • Arrangement Of Elements, Cooling, Sealing, Or The Like Of Lighting Devices (AREA)
  • User Interface Of Digital Computer (AREA)
  • Calculators And Similar Devices (AREA)
  • Credit Cards Or The Like (AREA)
  • Optical Integrated Circuits (AREA)
  • Planar Illumination Modules (AREA)
AT05101523T 2005-02-28 2005-02-28 Doppelfunktionslichtleiter für eine rückbeleuchtungseinrichtung einer lcd anzeige ATE366949T1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP05101523A EP1696259B1 (de) 2005-02-28 2005-02-28 Doppelfunktionslichtleiter für eine Rückbeleuchtungseinrichtung einer LCD Anzeige

Publications (1)

Publication Number Publication Date
ATE366949T1 true ATE366949T1 (de) 2007-08-15

Family

ID=35124458

Family Applications (1)

Application Number Title Priority Date Filing Date
AT05101523T ATE366949T1 (de) 2005-02-28 2005-02-28 Doppelfunktionslichtleiter für eine rückbeleuchtungseinrichtung einer lcd anzeige

Country Status (12)

Country Link
EP (3) EP2273309B1 (de)
JP (3) JP5032037B2 (de)
KR (1) KR100832057B1 (de)
CN (2) CN101901577B (de)
AT (1) ATE366949T1 (de)
AU (1) AU2006200862B2 (de)
CA (1) CA2538071C (de)
DE (1) DE602005001610T2 (de)
HK (2) HK1094355A1 (de)
MX (1) MXPA06002289A (de)
SG (1) SG125236A1 (de)
TW (1) TWI340855B (de)

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* Cited by examiner, † Cited by third party
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US8279158B2 (en) 2005-02-28 2012-10-02 Research In Motion Limited Dual-function light guide for LCD backlight
EP1750150B1 (de) 2005-07-25 2010-01-27 Research In Motion Limited Koordinierung von Umgebungslichtmessung und Lichtemission
US7352930B2 (en) 2005-07-25 2008-04-01 Research In Motion Limited Shared light pipe for a message indicator and light sensor
US8698727B2 (en) * 2007-01-05 2014-04-15 Apple Inc. Backlight and ambient light sensor system
CN101354494B (zh) * 2007-07-26 2010-06-02 和硕联合科技股份有限公司 电子装置
US9049255B2 (en) 2008-02-29 2015-06-02 Blackberry Limited Visual event notification on a handheld communications device
EP2096840B1 (de) 2008-02-29 2012-07-04 Research In Motion Limited Visuelle Ereignismeldung auf einem tragbaren Kommunikationsgerät
US8232958B2 (en) * 2008-03-05 2012-07-31 Sony Mobile Communications Ab High-contrast backlight
TWI385434B (zh) * 2008-11-14 2013-02-11 Himax Imagimg Inc 具整合光度計之顯示器及調整顯示亮度之方法
US8319764B2 (en) 2009-06-29 2012-11-27 Research In Motion Limited Wave guide for improving light sensor angular response
EP2522967B1 (de) * 2009-06-29 2018-09-19 BlackBerry Limited Wellenleiter zur Verbesserung der Winkelabhängigkeit eines Lichtsensors
US8403539B2 (en) 2010-02-26 2013-03-26 Research In Motion Limited Light guide for improving device lighting
US8471500B2 (en) 2010-06-30 2013-06-25 Research In Motion Limited Electronic device and method of illumination
EP2403223B1 (de) * 2010-06-30 2017-08-16 BlackBerry Limited Anpassung der Bildschirmhelligkeit abhängig des Umgebungslichts
CN102143276A (zh) * 2010-12-29 2011-08-03 上海华勤通讯技术有限公司 省电节能电子设备及其省电节能的方法
CN108519809B (zh) * 2011-11-28 2021-05-18 联想(北京)有限公司 显示方法和电子设备
CN103200286A (zh) * 2013-03-28 2013-07-10 深圳市中兴移动通信有限公司 环境亮度测量装置及移动终端
US9411436B2 (en) * 2013-09-20 2016-08-09 Microsoft Technology Licensing, Llc Input device backlighting
CN103744476A (zh) * 2013-12-25 2014-04-23 苏州欢颜电气有限公司 一种电脑防辐射装置
CN105094616B (zh) * 2015-08-12 2019-02-12 小米科技有限责任公司 触摸屏控制方法及装置
US10838126B2 (en) 2016-09-19 2020-11-17 Apple Inc. Electronic devices with infrared blocking filters
CN110136656A (zh) * 2019-04-24 2019-08-16 昆山龙腾光电有限公司 背光模组及液晶显示装置
US10694607B1 (en) 2019-06-24 2020-06-23 Apple Inc. Electronic devices with light sensor waveguides

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JP2761733B2 (ja) * 1988-08-18 1998-06-04 旭光学工業株式会社 カメラのlcd照明装置
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Also Published As

Publication number Publication date
HK1094355A1 (en) 2007-03-30
TW200639523A (en) 2006-11-16
DE602005001610D1 (de) 2007-08-23
EP1818715B1 (de) 2016-05-25
KR20060095482A (ko) 2006-08-31
KR100832057B1 (ko) 2008-05-27
EP1696259A1 (de) 2006-08-30
DE602005001610T2 (de) 2008-04-10
CA2538071C (en) 2013-07-23
CN101901577A (zh) 2010-12-01
SG125236A1 (en) 2006-09-29
JP2006276842A (ja) 2006-10-12
HK1153281A1 (zh) 2012-03-23
EP1696259B1 (de) 2007-07-11
CN101901577B (zh) 2013-01-02
EP2273309B1 (de) 2016-05-04
CN1828374A (zh) 2006-09-06
AU2006200862B2 (en) 2010-04-01
EP2273309A1 (de) 2011-01-12
AU2006200862A1 (en) 2006-09-14
TWI340855B (en) 2011-04-21
CA2538071A1 (en) 2006-08-28
JP2013145388A (ja) 2013-07-25
JP2012103710A (ja) 2012-05-31
JP5032037B2 (ja) 2012-09-26
MXPA06002289A (es) 2007-01-25
CN1828374B (zh) 2010-09-29
JP5236063B2 (ja) 2013-07-17
EP1818715A1 (de) 2007-08-15

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