KR100247107B1 - 디스플레이 장치용 광센서 - Google Patents

디스플레이 장치용 광센서 Download PDF

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Publication number
KR100247107B1
KR100247107B1 KR1019940701848A KR19940701848A KR100247107B1 KR 100247107 B1 KR100247107 B1 KR 100247107B1 KR 1019940701848 A KR1019940701848 A KR 1019940701848A KR 19940701848 A KR19940701848 A KR 19940701848A KR 100247107 B1 KR100247107 B1 KR 100247107B1
Authority
KR
South Korea
Prior art keywords
display device
light
light guide
display
sensor
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 - Fee Related
Application number
KR1019940701848A
Other languages
English (en)
Korean (ko)
Inventor
쥬에리거 페터
Original Assignee
클라우스 포스, 게오르그 뮐러
로베르트 보쉬 게엠베하
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 클라우스 포스, 게오르그 뮐러, 로베르트 보쉬 게엠베하 filed Critical 클라우스 포스, 게오르그 뮐러
Application granted granted Critical
Publication of KR100247107B1 publication Critical patent/KR100247107B1/ko
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • 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
    • H05B39/00—Circuit arrangements or apparatus for operating incandescent light sources
    • H05B39/04—Controlling
    • H05B39/041—Controlling the light-intensity of the source
    • H05B39/042—Controlling the light-intensity of the source by measuring the incident 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
    • G09G3/3406—Control of illumination source
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
    • B60K2360/00—Indexing scheme associated with groups B60K35/00 or B60K37/00 relating to details of instruments or dashboards
    • B60K2360/20—Optical features of instruments
    • B60K2360/33—Illumination features
    • B60K2360/343—Illumination of matrix displays
    • 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
    • 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
    • G09G2300/00—Aspects of the constitution of display devices
    • G09G2300/04—Structural and physical details of display devices
    • G09G2300/0439—Pixel structures
    • G09G2300/0456—Pixel structures with a reflective area and a transmissive area combined in one pixel, such as in transflectance pixels
    • 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
    • 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
    • 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
    • Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B20/00—Energy efficient lighting technologies, e.g. halogen lamps or gas discharge lamps

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Computer Hardware Design (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Liquid Crystal Display Device Control (AREA)
  • Control Of Indicators Other Than Cathode Ray Tubes (AREA)
  • Liquid Crystal (AREA)
  • Devices For Indicating Variable Information By Combining Individual Elements (AREA)
KR1019940701848A 1991-12-10 1992-11-19 디스플레이 장치용 광센서 Expired - Fee Related KR100247107B1 (ko)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DEP4140647.8 1991-12-10
DE4140647A DE4140647C2 (de) 1991-12-10 1991-12-10 Anzeigevorrichtung mit Lichtsensor
PCT/DE1992/000963 WO1993012515A1 (de) 1991-12-10 1992-11-19 Lichtsensor für eine anzeigevorrichtung

Publications (1)

Publication Number Publication Date
KR100247107B1 true KR100247107B1 (ko) 2000-03-15

Family

ID=6446680

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019940701848A Expired - Fee Related KR100247107B1 (ko) 1991-12-10 1992-11-19 디스플레이 장치용 광센서

Country Status (7)

Country Link
US (1) US5490005A (https=)
EP (1) EP0616717B1 (https=)
JP (1) JPH07501896A (https=)
KR (1) KR100247107B1 (https=)
DE (2) DE4140647C2 (https=)
TW (1) TW207979B (https=)
WO (1) WO1993012515A1 (https=)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101303376B1 (ko) * 2005-08-02 2013-09-03 코닌클리즈케 필립스 일렉트로닉스 엔.브이. 조명 시스템, 감광판 및 디스플레이 장치

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US7167155B1 (en) 1995-07-20 2007-01-23 E Ink Corporation Color electrophoretic displays
DE19619926A1 (de) * 1996-05-17 1997-11-20 Siemens Ag Anzeigevorrichtung mit helligkeitsangepaßter Anzeigebeleuchtung
US5982226A (en) * 1997-04-07 1999-11-09 Texas Instruments Incorporated Optimized frequency shaping circuit topologies for LDOs
WO1998052788A2 (en) * 1997-05-22 1998-11-26 Mun Chor Chow Vehicle headlamp controller
DE29710592U1 (de) * 1997-06-18 1997-08-14 Hella KG Hueck & Co. Patente - Marken - Lizenzen, 59555 Lippstadt Anzeige für ein Fahrzeug
US6704133B2 (en) 1998-03-18 2004-03-09 E-Ink Corporation Electro-optic display overlays and systems for addressing such displays
US7075502B1 (en) * 1998-04-10 2006-07-11 E Ink Corporation Full color reflective display with multichromatic sub-pixels
CN1126900C (zh) * 1998-04-30 2003-11-05 卡西欧计算机株式会社 使用外界光和照明板的显示装置
US7256766B2 (en) * 1998-08-27 2007-08-14 E Ink Corporation Electrophoretic display comprising optical biasing element
AU6295899A (en) 1998-10-07 2000-04-26 E-Ink Corporation Illumination system for nonemissive electronic displays
DE19935458A1 (de) * 1999-07-28 2001-02-01 Mannesmann Vdo Ag Verfahren zur Dimmung der Lichtemission einer mit einer Leuchtstofflampe beleuchtbaren Anzeige und mit einer Leuchtstofflampe beleuchtbare, in ihrer Helligkeit dimmbare Anzeige
DE10026892A1 (de) * 2000-05-30 2001-12-06 Mannesmann Vdo Ag Kombiinstrument für ein Kraftfahrzeug
DE10034484A1 (de) * 2000-07-15 2002-01-31 Bosch Gmbh Robert Vorrichtung zur Ausleuchtung
DE10057696A1 (de) * 2000-11-21 2002-05-16 Siemens Ag LC-Display und Verfahren zum Steuern der Hinterleuchtung eines LC-Displays
DE10138005B4 (de) * 2001-08-02 2011-03-24 Robert Bosch Gmbh Anzeigevorrichtung für insbesondere ein Fahrzeug, Ansteuermittel für eine Anzeigevorrichtung sowie Verfahren für die Ansteuerung einer Anzeigevorrichtung
FI112289B (fi) * 2001-11-19 2003-11-14 Nokia Corp Valaistuksen säätömenetelmä ja elektroninen laite
DE10162355A1 (de) * 2001-12-18 2003-07-10 Siemens Ag Anzeigeeinrichtung
KR20060023153A (ko) * 2003-06-16 2006-03-13 코닌클리즈케 필립스 일렉트로닉스 엔.브이. 프로젝션 시스템
DE10337238B4 (de) * 2003-08-13 2005-09-29 Siemens Ag Verfahren zum Einstellen der Leuchtdichte eines Backlights für ein Panel
DE10341622B3 (de) 2003-09-10 2005-08-18 Preh Gmbh Anzeigeeinrichtung mit kombiniertem Lichtleiter
US20050104821A1 (en) * 2003-11-14 2005-05-19 Nokia Corporation Display arrangement
JP4066953B2 (ja) * 2004-01-13 2008-03-26 セイコーエプソン株式会社 電気光学装置及び電子機器
US20050253777A1 (en) * 2004-05-12 2005-11-17 E Ink Corporation Tiled displays and methods for driving same
DE102004040325B4 (de) * 2004-08-20 2017-02-16 Volkswagen Ag Vorrichtung und Verfahren zur Steuerung der Beleuchtung einer Anzeige in einem Fahrzeug
DE102004063594A1 (de) * 2004-12-30 2006-07-13 BSH Bosch und Siemens Hausgeräte GmbH Verfahren zur Regelung der Hintergrundbeleuchtung eines Displays
US8279158B2 (en) * 2005-02-28 2012-10-02 Research In Motion Limited Dual-function light guide for LCD backlight
EP1818715B1 (en) * 2005-02-28 2016-05-25 BlackBerry Limited Method and apparatus for controlling the backlight intensity of a liquid crystal display (LCD) using detected intensity of ambient light
DE102005028906A1 (de) 2005-06-22 2006-12-28 Giesecke & Devrient Gmbh Vorrichtung für die Prüfung von Banknoten
TWI335467B (en) * 2006-09-29 2011-01-01 Chimei Innolux Corp Liquid crystal display device
CN101529322A (zh) * 2006-10-23 2009-09-09 皇家飞利浦电子股份有限公司 背光系统
US8289248B2 (en) * 2007-04-05 2012-10-16 Sony Mobile Communications Ab Light sensor within display
GB2466846A (en) 2009-01-13 2010-07-14 Barco Nv Sensor system and method for detecting a property of light emitted from at least one display area of a display device
DE102012205475A1 (de) * 2012-04-03 2013-10-10 Osram Gmbh Lichtsensor für eine Beleuchtungseinrichtung, ein Beleuchtungssystem umfassend mindestens einen Lichtsensor und ein Verfahren zur Einstellung einer Helligkeit eines Beleuchtungssystems umfassend mindestens einen Lichtsensor
US9811707B2 (en) 2014-06-04 2017-11-07 Lenovo (Singapore) Pte. Ltd. Fingerprint reader on a portion of a device for changing the configuration of the device
CN104111579B (zh) * 2014-07-04 2016-05-25 深圳市雅图新媒体科技有限公司 实时调节投影机对比度的方法及投影机
CN104157237B (zh) * 2014-07-18 2016-05-11 京东方科技集团股份有限公司 一种显示驱动电路及其驱动方法、显示装置
DE102014016643A1 (de) * 2014-11-11 2016-05-12 Novomatic Ag Anzeigevorrichtung und Verfahren zum Betreiben einer solchen Anzeigevorrichtung
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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101303376B1 (ko) * 2005-08-02 2013-09-03 코닌클리즈케 필립스 일렉트로닉스 엔.브이. 조명 시스템, 감광판 및 디스플레이 장치

Also Published As

Publication number Publication date
DE4140647C2 (de) 1996-09-12
DE4140647A1 (de) 1993-06-17
WO1993012515A1 (de) 1993-06-24
DE59203498D1 (de) 1995-10-05
EP0616717B1 (de) 1995-08-30
US5490005A (en) 1996-02-06
JPH07501896A (ja) 1995-02-23
TW207979B (https=) 1993-06-21
EP0616717A1 (de) 1994-09-28

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