SG125236A1 - Dual-function light guide for lcd backlight - Google Patents
Dual-function light guide for lcd backlightInfo
- Publication number
- SG125236A1 SG125236A1 SG200601183A SG200601183A SG125236A1 SG 125236 A1 SG125236 A1 SG 125236A1 SG 200601183 A SG200601183 A SG 200601183A SG 200601183 A SG200601183 A SG 200601183A SG 125236 A1 SG125236 A1 SG 125236A1
- Authority
- SG
- Singapore
- Prior art keywords
- light
- display device
- intensity
- illumination means
- external surface
- Prior art date
Links
Classifications
-
- A—HUMAN NECESSITIES
- A63—SPORTS; GAMES; AMUSEMENTS
- A63H—TOYS, e.g. TOPS, DOLLS, HOOPS OR BUILDING BLOCKS
- A63H33/00—Other toys
- A63H33/18—Throwing or slinging toys, e.g. flying disc toys
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
- G06F1/26—Power supply means, e.g. regulation thereof
- G06F1/32—Means for saving power
- G06F1/3203—Power management, i.e. event-based initiation of a power-saving mode
-
- 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
- G02F1/133615—Edge-illuminating devices, i.e. illuminating from the side
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
- G06F1/26—Power supply means, e.g. regulation thereof
- G06F1/32—Means for saving power
- G06F1/3203—Power management, i.e. event-based initiation of a power-saving mode
- G06F1/3234—Power saving characterised by the action undertaken
- G06F1/325—Power saving in peripheral device
- G06F1/3265—Power saving in display device
-
- 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
- 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
- H04M19/00—Current supply arrangements for telephone systems
- H04M19/02—Current supply arrangements for telephone systems providing ringing current or supervisory tones, e.g. dialling tone or busy tone
- H04M19/04—Current 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
-
- 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
- G02F1/133618—Illuminating devices for ambient light
-
- 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
- G02F1/1337—Surface-induced orientation of the liquid crystal molecules, e.g. by alignment layers
- G02F1/133711—Surface-induced orientation of the liquid crystal molecules, e.g. by alignment layers by organic films, e.g. polymeric films
- G02F1/133715—Surface-induced orientation of the liquid crystal molecules, e.g. by alignment layers by organic films, e.g. polymeric films by first depositing a monomer
-
- 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
- G02F2201/00—Constructional arrangements not provided for in groups G02F1/00 - G02F7/00
- G02F2201/58—Arrangements comprising a monitoring photodetector
-
- 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
-
- 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
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M19/00—Current supply arrangements for telephone systems
- H04M19/02—Current supply arrangements for telephone systems providing ringing current or supervisory tones, e.g. dialling tone or busy tone
- H04M19/04—Current 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
- H04M19/048—Arrangements providing optical indication of the incoming call, e.g. flasher circuits
-
- 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
- Y02D10/00—Energy 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)
- Optical Integrated Circuits (AREA)
- User Interface Of Digital Computer (AREA)
- Calculators And Similar Devices (AREA)
- Credit Cards Or The Like (AREA)
- Planar Illumination Modules (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP05101523A EP1696259B1 (en) | 2005-02-28 | 2005-02-28 | Dual-function light guide for LCD backlight |
Publications (1)
Publication Number | Publication Date |
---|---|
SG125236A1 true SG125236A1 (en) | 2006-09-29 |
Family
ID=35124458
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
SG200601183A SG125236A1 (en) | 2005-02-28 | 2006-02-22 | Dual-function light guide for lcd backlight |
Country Status (12)
Country | Link |
---|---|
EP (3) | EP1818715B1 (ko) |
JP (3) | JP5032037B2 (ko) |
KR (1) | KR100832057B1 (ko) |
CN (2) | CN101901577B (ko) |
AT (1) | ATE366949T1 (ko) |
AU (1) | AU2006200862B2 (ko) |
CA (1) | CA2538071C (ko) |
DE (1) | DE602005001610T2 (ko) |
HK (2) | HK1094355A1 (ko) |
MX (1) | MXPA06002289A (ko) |
SG (1) | SG125236A1 (ko) |
TW (1) | TWI340855B (ko) |
Families Citing this family (23)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US8279158B2 (en) | 2005-02-28 | 2012-10-02 | Research In Motion Limited | Dual-function light guide for LCD backlight |
DE602005019155D1 (de) | 2005-07-25 | 2010-03-18 | Research In Motion Ltd | 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 |
EP2096840B1 (en) | 2008-02-29 | 2012-07-04 | Research In Motion Limited | Visual event notification on a handheld communications device |
US9049255B2 (en) | 2008-02-29 | 2015-06-02 | Blackberry Limited | Visual event notification on a handheld communications device |
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 |
EP2270581B1 (en) * | 2009-06-29 | 2016-10-12 | BlackBerry Limited | Wave guide for improving light sensor angular response |
US8319764B2 (en) | 2009-06-29 | 2012-11-27 | Research In Motion Limited | Wave guide for improving light sensor angular response |
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 (en) * | 2010-06-30 | 2017-08-16 | BlackBerry Limited | Adaptation of display illumination depending on ambient light |
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 |
Family Cites Families (23)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0310889A3 (de) * | 1987-10-09 | 1991-07-03 | Andreas Peiker | Anzeigeanordnung mit mehreren Lichtquellen |
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 |
DE4140647C2 (de) * | 1991-12-10 | 1996-09-12 | Bosch Gmbh Robert | Anzeigevorrichtung mit Lichtsensor |
US5384577A (en) * | 1992-05-21 | 1995-01-24 | Motorola, Inc. | Combination display backlight and light sensor |
JPH06130386A (ja) * | 1992-10-21 | 1994-05-13 | Uniden Corp | 液晶表示装置構造及びこれを用いた電子機器 |
US5963867A (en) * | 1995-08-16 | 1999-10-05 | Qualcomm Inc. | Graphic tools for interactively planning a wireless network |
JPH11260572A (ja) * | 1998-03-13 | 1999-09-24 | Omron Corp | 照明装置 |
US6278887B1 (en) * | 1999-02-05 | 2001-08-21 | Neopoint, Inc. | System and method for power conservation in a wireless communication handset |
JP3659472B2 (ja) * | 1999-06-22 | 2005-06-15 | 京セラ株式会社 | 情報端末機器のバックライト制御方式 |
CN1124729C (zh) * | 1999-08-19 | 2003-10-15 | 北京首信股份有限公司 | 移动电话机的显示屏照明及键盘照明的省电装置使用方法 |
JP2001083887A (ja) * | 1999-09-10 | 2001-03-30 | Nec Eng Ltd | 液晶表示装置の実装構造 |
JP2002072992A (ja) * | 2000-08-24 | 2002-03-12 | Kenwood Corp | カラーディスプレイ装置 |
JP2002176494A (ja) * | 2000-12-07 | 2002-06-21 | Toshiba Corp | 通信端末装置 |
US6744416B2 (en) * | 2000-12-27 | 2004-06-01 | Casio Computer Co., Ltd. | Field sequential liquid crystal display apparatus |
JP4151227B2 (ja) * | 2001-03-29 | 2008-09-17 | 日本電気株式会社 | 携帯電話機 |
JP2003021821A (ja) * | 2001-07-09 | 2003-01-24 | Toshiba Corp | 液晶ユニットおよびその駆動方法 |
KR100381423B1 (ko) * | 2001-07-23 | 2003-04-26 | 삼성전자주식회사 | 휴대용 컴퓨터와 그 제어방법 |
JP2003125061A (ja) * | 2001-10-16 | 2003-04-25 | Fujitsu Ltd | 携帯端末 |
JP2003198668A (ja) * | 2001-12-26 | 2003-07-11 | Hitachi Kokusai Electric Inc | 携帯機器 |
JP3902128B2 (ja) * | 2002-12-19 | 2007-04-04 | 株式会社アドバンスト・ディスプレイ | 透過型表示装置の表示色制御方法 |
JP2004260269A (ja) * | 2003-02-24 | 2004-09-16 | Kyocera Corp | 折畳み型携帯端末装置 |
JP2004309973A (ja) * | 2003-04-10 | 2004-11-04 | Kyocera Corp | 携帯型電子装置 |
GB2404773B (en) * | 2003-08-05 | 2005-06-08 | Research In Motion Ltd | Method for automatic backlight adjustment |
-
2005
- 2005-02-28 EP EP07109225.8A patent/EP1818715B1/en active Active
- 2005-02-28 AT AT05101523T patent/ATE366949T1/de not_active IP Right Cessation
- 2005-02-28 DE DE602005001610T patent/DE602005001610T2/de active Active
- 2005-02-28 EP EP05101523A patent/EP1696259B1/en active Active
- 2005-02-28 EP EP10183277.2A patent/EP2273309B1/en active Active
-
2006
- 2006-02-22 SG SG200601183A patent/SG125236A1/en unknown
- 2006-02-24 CN CN201010251059XA patent/CN101901577B/zh active Active
- 2006-02-24 KR KR1020060018391A patent/KR100832057B1/ko active IP Right Grant
- 2006-02-24 CN CN2006100095492A patent/CN1828374B/zh active Active
- 2006-02-24 JP JP2006049377A patent/JP5032037B2/ja active Active
- 2006-02-27 TW TW095106701A patent/TWI340855B/zh active
- 2006-02-28 MX MXPA06002289A patent/MXPA06002289A/es active IP Right Grant
- 2006-02-28 AU AU2006200862A patent/AU2006200862B2/en active Active
- 2006-02-28 CA CA2538071A patent/CA2538071C/en active Active
-
2007
- 2007-02-06 HK HK07101379A patent/HK1094355A1/xx unknown
-
2011
- 2011-07-12 HK HK11107229.5A patent/HK1153281A1/zh unknown
- 2011-12-09 JP JP2011270186A patent/JP5236063B2/ja active Active
-
2013
- 2013-02-26 JP JP2013035336A patent/JP2013145388A/ja not_active Withdrawn
Also Published As
Publication number | Publication date |
---|---|
HK1153281A1 (zh) | 2012-03-23 |
ATE366949T1 (de) | 2007-08-15 |
KR100832057B1 (ko) | 2008-05-27 |
EP1696259A1 (en) | 2006-08-30 |
TWI340855B (en) | 2011-04-21 |
JP5236063B2 (ja) | 2013-07-17 |
JP2013145388A (ja) | 2013-07-25 |
CN101901577B (zh) | 2013-01-02 |
AU2006200862A1 (en) | 2006-09-14 |
CA2538071A1 (en) | 2006-08-28 |
HK1094355A1 (en) | 2007-03-30 |
DE602005001610D1 (de) | 2007-08-23 |
CN1828374B (zh) | 2010-09-29 |
JP5032037B2 (ja) | 2012-09-26 |
MXPA06002289A (es) | 2007-01-25 |
EP1818715B1 (en) | 2016-05-25 |
CA2538071C (en) | 2013-07-23 |
EP2273309B1 (en) | 2016-05-04 |
JP2006276842A (ja) | 2006-10-12 |
EP1818715A1 (en) | 2007-08-15 |
DE602005001610T2 (de) | 2008-04-10 |
TW200639523A (en) | 2006-11-16 |
EP1696259B1 (en) | 2007-07-11 |
KR20060095482A (ko) | 2006-08-31 |
AU2006200862B2 (en) | 2010-04-01 |
CN101901577A (zh) | 2010-12-01 |
JP2012103710A (ja) | 2012-05-31 |
CN1828374A (zh) | 2006-09-06 |
EP2273309A1 (en) | 2011-01-12 |
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