HK139793A - Portable radio equipment with a display back-lighting function - Google Patents

Portable radio equipment with a display back-lighting function

Info

Publication number
HK139793A
HK139793A HK1397/93A HK139793A HK139793A HK 139793 A HK139793 A HK 139793A HK 1397/93 A HK1397/93 A HK 1397/93A HK 139793 A HK139793 A HK 139793A HK 139793 A HK139793 A HK 139793A
Authority
HK
Hong Kong
Prior art keywords
portable radio
radio equipment
lighting function
display back
display
Prior art date
Application number
HK1397/93A
Other languages
English (en)
Inventor
Hideyuki Tsunoda
Toshirou Nishiyama
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
Publication of HK139793A publication Critical patent/HK139793A/xx

Links

Classifications

    • 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
    • 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
    • G02F1/133602Direct backlight
    • G02F1/133604Direct backlight with lamps
    • 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
    • H05ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05BELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B44/00Circuit arrangements for operating electroluminescent light sources
    • 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
    • G09G2330/00Aspects of power supply; Aspects of display protection and defect management
    • G09G2330/02Details of power systems and of start or stop of display operation
    • G09G2330/021Power management, e.g. power saving
    • 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
    • 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
    • G09G3/04Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of a single character by selection from a plurality of characters, or by composing the character by combination of individual elements, e.g. segments using a combination of such display devices for composing words, rows or the like, in a frame with fixed character positions
    • G09G3/06Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of a single character by selection from a plurality of characters, or by composing the character by combination of individual elements, e.g. segments using a combination of such display devices for composing words, rows or the like, in a frame with fixed character positions using controlled light sources
    • G09G3/12Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of a single character by selection from a plurality of characters, or by composing the character by combination of individual elements, e.g. segments using a combination of such display devices for composing words, rows or the like, in a frame with fixed character positions using controlled light sources using electroluminescent elements
    • 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
    • G09G3/36Control 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
    • G09G3/3611Control of matrices with row and column drivers
    • 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
    • Y02BCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B20/00Energy efficient lighting technologies, e.g. halogen lamps or gas discharge lamps
    • Y02B20/30Semiconductor lamps, e.g. solid state lamps [SSL] light emitting diodes [LED] or organic LED [OLED]

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Nonlinear Science (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Signal Processing (AREA)
  • Chemical & Material Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Mathematical Physics (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Computer Hardware Design (AREA)
  • Theoretical Computer Science (AREA)
  • Control Of Indicators Other Than Cathode Ray Tubes (AREA)
  • Liquid Crystal Display Device Control (AREA)
  • Control Of El Displays (AREA)
  • Devices For Indicating Variable Information By Combining Individual Elements (AREA)
  • Transceivers (AREA)
HK1397/93A 1988-11-09 1993-12-23 Portable radio equipment with a display back-lighting function HK139793A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP63281440A JP2752665B2 (ja) 1988-11-09 1988-11-09 表示付携帯無線機

Publications (1)

Publication Number Publication Date
HK139793A true HK139793A (en) 1993-12-31

Family

ID=17639205

Family Applications (1)

Application Number Title Priority Date Filing Date
HK1397/93A HK139793A (en) 1988-11-09 1993-12-23 Portable radio equipment with a display back-lighting function

Country Status (4)

Country Link
US (1) US5337073A (ja)
JP (1) JP2752665B2 (ja)
GB (1) GB2225894B (ja)
HK (1) HK139793A (ja)

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JPH039320A (ja) * 1989-06-06 1991-01-17 Asahi Optical Co Ltd 液晶表示装置
JPH04102333U (ja) * 1991-02-04 1992-09-03 富士通テン株式会社 液晶デイスプレイ照明点灯制御装置
US5091677A (en) * 1991-02-11 1992-02-25 Williams Electronics Games, Inc. Lighting control system for pinball games
JP2837765B2 (ja) * 1991-05-21 1998-12-16 三菱電機株式会社 移動無線機の照明装置
JPH05257430A (ja) * 1991-08-29 1993-10-08 Canon Inc エレクトロルミネッセンス素子、イメージセンサー、液晶装置
US5384577A (en) * 1992-05-21 1995-01-24 Motorola, Inc. Combination display backlight and light sensor
US5701189A (en) * 1995-03-27 1997-12-23 Motorola, Inc. Wireless data communication system and method using an electroluminescent panel
US5729093A (en) * 1995-08-08 1998-03-17 Ford Motor Company Control for multiple circuit electroluminescent lamp panel
AU7159796A (en) * 1996-03-13 1997-10-01 Howard W. Regen Improved audio-visual sign
US5786801A (en) * 1996-09-06 1998-07-28 Sony Corporation Back light control apparatus and method for a flat display system
JP2891955B2 (ja) * 1997-02-14 1999-05-17 日本電気移動通信株式会社 Lcd表示装置
US5894298A (en) 1997-03-14 1999-04-13 Northern Telecom Limited Display apparatus
FR2762174B1 (fr) * 1997-04-14 1999-06-25 Jacques Lewiner Dispositif portatif de radio-communication dote d'un eclairage
DE19843902A1 (de) * 1997-09-26 1999-04-01 Denso Corp Bildinformations-Anzeigesystem und Hologramm-Anzeigevorrichtung
FI974393A (fi) * 1997-12-02 1999-06-03 Nokia Mobile Phones Ltd Menetelmä ja järjestely virran säästämiseksi matkaviestimessä
JPH11167122A (ja) * 1997-12-03 1999-06-22 Nec Saitama Ltd 発光体内蔵型の液晶表示装置および液晶表示装置の製造方法
GB9808016D0 (en) * 1998-04-15 1998-06-17 Cambridge Display Tech Ltd Display control
US5900851A (en) * 1998-05-13 1999-05-04 Ut Automotive Dearborn, Inc. Electroluminescent panel drive optimization
KR100301830B1 (ko) * 1998-07-16 2001-09-06 구자홍 저소비전력형통신단말기
US6278887B1 (en) * 1999-02-05 2001-08-21 Neopoint, Inc. System and method for power conservation in a wireless communication handset
KR100651994B1 (ko) * 1999-06-24 2006-11-30 엘지전자 주식회사 일렉트로루미네슨스 광원을 이용한 액정디스플레이 구동장치
JP2001109389A (ja) * 1999-10-12 2001-04-20 Olympus Optical Co Ltd 音声記録再生装置
US6507286B2 (en) 2000-12-29 2003-01-14 Visteon Global Technologies, Inc. Luminance control of automotive displays using an ambient light sensor
DE10158367B4 (de) * 2001-11-28 2014-12-31 Adp Gauselmann Gmbh Vorrichtung zur Änderung der Helligkeit von Leuchtmitteln eines münzbetätigten Unterhaltungsautomaten
KR100422799B1 (ko) * 2001-12-13 2004-03-16 주식회사 팬택앤큐리텔 무선통신 단말기에서 다이나믹한 효과 연출을 위한백라이트 제어 방법
US20050261057A1 (en) * 2004-05-19 2005-11-24 Wms Gaming, Inc. Gaming machine with light altering features
CN2842881Y (zh) * 2005-11-18 2006-11-29 鸿富锦精密工业(深圳)有限公司 多功能收音机
CN100388060C (zh) * 2006-02-27 2008-05-14 友达光电股份有限公司 光学系统
US20080215234A1 (en) * 2007-03-01 2008-09-04 Pieter Geelen Portable navigation device
KR100747492B1 (ko) * 2006-07-13 2007-08-08 삼성전자주식회사 디스플레이장치

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US4024389A (en) * 1973-06-15 1977-05-17 Sharp Kabushiki Kaisha Photo-image memory panel and activating method therefor
JPS58142686A (ja) * 1982-02-18 1983-08-24 Casio Comput Co Ltd 液晶テレビジヨン受像機
JPS58205823A (ja) * 1982-05-25 1983-11-30 Seiko Instr & Electronics Ltd 光センサ−
JPS6128235A (ja) * 1984-07-18 1986-02-07 Nec Corp 表示付無線選択呼出受信機
US4754275A (en) * 1985-06-07 1988-06-28 Motorola, Inc. Display with supplemental lighting system
JPS62125329A (ja) * 1985-11-27 1987-06-06 Hosiden Electronics Co Ltd 透過形表示装置
DE3627134A1 (de) * 1986-08-09 1988-02-11 Philips Patentverwaltung Verfahren und schaltungsanordnung zur helligkeits- und temperaturabhaenigen steuerung einer lampe, insbesondere zur beleuchtung einer lcd-anzeige
GB2199439B (en) * 1986-12-10 1990-03-28 Smiths Industries Plc Display units
GB2199435B (en) * 1986-12-25 1990-11-28 Nec Corp Pager receiver including a light emitting and a light sensing element adjacent to a translucent portion of a receiver housing
US4868563A (en) * 1987-09-25 1989-09-19 Motorola, Inc. Microcomputer controlled display backlight

Also Published As

Publication number Publication date
JPH02129690A (ja) 1990-05-17
US5337073A (en) 1994-08-09
GB8925198D0 (en) 1989-12-28
GB2225894B (en) 1993-03-17
GB2225894A (en) 1990-06-13
JP2752665B2 (ja) 1998-05-18

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Legal Events

Date Code Title Description
PF Patent in force
PC Patent ceased (i.e. patent has lapsed due to the failure to pay the renewal fee)

Effective date: 20041108