KR19990070070A - 엘씨디(lcd)모니터의 백라이트 사용시간 표시장치 및 방법 - Google Patents
엘씨디(lcd)모니터의 백라이트 사용시간 표시장치 및 방법 Download PDFInfo
- Publication number
- KR19990070070A KR19990070070A KR1019980004715A KR19980004715A KR19990070070A KR 19990070070 A KR19990070070 A KR 19990070070A KR 1019980004715 A KR1019980004715 A KR 1019980004715A KR 19980004715 A KR19980004715 A KR 19980004715A KR 19990070070 A KR19990070070 A KR 19990070070A
- Authority
- KR
- South Korea
- Prior art keywords
- backlight
- usage time
- time
- screen
- storage means
- Prior art date
Links
Classifications
-
- 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
- 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
Landscapes
- Physics & Mathematics (AREA)
- Nonlinear Science (AREA)
- Mathematical Physics (AREA)
- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Liquid Crystal Display Device Control (AREA)
- Control Of Indicators Other Than Cathode Ray Tubes (AREA)
- Liquid Crystal (AREA)
Abstract
Description
Claims (2)
- 엘씨디 판넬이 구비되고 상기 엘씨디 판넬을 통해 영상이 디스플레이되는 모니터에 있어서,현재의 백라이트 사용시간이 저장되는 기억수단(16)과, 기억수단(16)에 저장된 현재의 백라이트 시간의 표시 및 상기 현재의 백라이트 시간과 최대사용시간을 비교하여 백라이트의 수명을 판단하고, 판단된 결과를 표시하도록 그 일련의 과정을 제어하는 마이크로 프로세서(10)와, 현재의 백라이트 사용시간을 표시하기 위한 키이 및 백라이트 교체시 기억수단(16)에 저장된 백라이트의 사용시간을 리셋시키기 위한 리셋키이를 포함하는 키이입력수단(11)으로 구성되며,상기 마이크로 프로세서(10)에서는 상기 키이입력수단(11)의 키이입력신호에 따른 현재의 백라이트 시간 표시 및 백라이트의 수명 판단결과를 OSD 화면으로 표시되도록 제어함을 특징으로 하는 엘씨디(LCD)모니터의 백라이트 사용시간 표시장치.
- 백라이트 구동제어신호가 온되면 타이머가 동작하여 기억수단에 기설정된 백라이트 사용시간(Ts)을 카운트한후 이를 기억수단에 저장하는 제 1단계와, 상기 기억수단에 저장된 백라이트 사용시간(Ts)을 설정되어 있는 백라이트 최대사용시간(Tm)과 주기적으로 비교하는 제 2단계와, 2단계 판단결과 최대사용시간(Tm)을 초과하게 되면 온스크린 화면으로 백라이트 교체 메시지를 표시하고, 교체한후에는 키이입력수단의 리셋키이를 이용해 기억수단에 저장된 백라이트 사용시간을 리셋하는 제 3단계와, 2단계 판단결과 최대사용시간(Tm)을 초과하지 않으면 계속해서 사용시간을 카운트하여 기억수단에 저장하고, 키이입력수단에 의해 현재의 백라이트 사용시간을 화면에 표시하기 위한 키이신호가 입력될 경우 기억수단에 저장된 현재의 백라이트 사용시간을 온스크린 화면으로 표시하는 제 5단계로 진행됨을 특징으로 하는 엘씨디(LCD)모니터의 백라이트 사용시간 표시방법.
Priority Applications (10)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1019980004715A KR100280173B1 (ko) | 1998-02-17 | 1998-02-17 | 엘씨디(lcd)모니터의백라이트사용시간표시장치및방법 |
US09/245,800 US6268844B1 (en) | 1998-02-17 | 1999-02-05 | Apparatus and method of displaying backlight consumption time for LCD monitor |
IDP990090A ID21994A (id) | 1998-02-17 | 1999-02-08 | Peralatan dan metode penampilan waktu pemakaian cahaya punggung untuk monitor lcd |
DE19905690A DE19905690B4 (de) | 1998-02-17 | 1999-02-11 | Vorrichtung und Verfahren zur Anzeige der Verbrauchszeit der Hintergrundbeleuchtung für LCD-Monitore |
BR9900648-0A BR9900648A (pt) | 1998-02-17 | 1999-02-12 | Aparelho e método para exibir o tempo de consumo da iluminação traseira para um monitor lcd |
CN99100807A CN1123798C (zh) | 1998-02-17 | 1999-02-14 | 液晶显示监视器的背景灯消耗时间显示装置与方法 |
AU17304/99A AU728767B2 (en) | 1998-02-17 | 1999-02-15 | Apparatus and method of displaying backlight consumption time for LCD monitor |
RU99103205/09A RU2163735C2 (ru) | 1998-02-17 | 1999-02-16 | Устройство и способ отображения времени использования подсветки для жидкокристаллического монитора |
JP11036965A JPH11311783A (ja) | 1998-02-17 | 1999-02-16 | 液晶ディスプレイモニタ―のバックライトの使用状態表示装置及び表示方法 |
GB9903665A GB2334364B (en) | 1998-02-17 | 1999-02-17 | Apparatus and method for displaying backlight consumption time for lcd monitor |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1019980004715A KR100280173B1 (ko) | 1998-02-17 | 1998-02-17 | 엘씨디(lcd)모니터의백라이트사용시간표시장치및방법 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR19990070070A true KR19990070070A (ko) | 1999-09-06 |
KR100280173B1 KR100280173B1 (ko) | 2001-02-01 |
Family
ID=19533175
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1019980004715A KR100280173B1 (ko) | 1998-02-17 | 1998-02-17 | 엘씨디(lcd)모니터의백라이트사용시간표시장치및방법 |
Country Status (10)
Country | Link |
---|---|
US (1) | US6268844B1 (ko) |
JP (1) | JPH11311783A (ko) |
KR (1) | KR100280173B1 (ko) |
CN (1) | CN1123798C (ko) |
AU (1) | AU728767B2 (ko) |
BR (1) | BR9900648A (ko) |
DE (1) | DE19905690B4 (ko) |
GB (1) | GB2334364B (ko) |
ID (1) | ID21994A (ko) |
RU (1) | RU2163735C2 (ko) |
Families Citing this family (17)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6839855B2 (en) | 1990-03-23 | 2005-01-04 | Matsushita Electric Industrial Co., Ltd. | Data processing apparatus |
JP2001125547A (ja) * | 1999-10-28 | 2001-05-11 | Sony Corp | 液晶表示装置及びその表示方法 |
JP2001154642A (ja) * | 1999-11-30 | 2001-06-08 | Toshiba Corp | 情報処理装置 |
US6496236B1 (en) * | 2000-03-17 | 2002-12-17 | Hewlett-Packard Company | Multi-mode backlight for electronic device |
JP4475099B2 (ja) * | 2004-11-04 | 2010-06-09 | 富士ゼロックス株式会社 | 画像形成装置及び操作画面表示制御プログラム |
JP2006330222A (ja) * | 2005-05-25 | 2006-12-07 | Sharp Corp | 液晶表示装置、及びその経時劣化補正方法 |
DE102006016547A1 (de) * | 2006-04-07 | 2007-10-11 | Siemens Ag | Verfahren zur Ermittlung der Systemreserve einer Backlight-Regeleinrichtung |
DE102006019965A1 (de) * | 2006-04-28 | 2007-11-08 | Siemens Ag | Verfahren zur Ermittlung der Restlebensdauer eines Backlights |
CN100592357C (zh) * | 2007-04-26 | 2010-02-24 | 海尔集团公司 | 液晶屏背光灯启动关闭方法及其控制系统 |
JP2009003113A (ja) * | 2007-06-20 | 2009-01-08 | Toshiba Corp | パーソナルコンピュータおよびその表示制御方法 |
CN101868817B (zh) * | 2007-11-20 | 2015-01-07 | 皇家飞利浦电子股份有限公司 | 节省功率的透射型显示器 |
CN101465952A (zh) * | 2007-12-21 | 2009-06-24 | 鸿富锦精密工业(深圳)有限公司 | 电子装置 |
CN102077130B (zh) * | 2008-07-04 | 2012-09-05 | 夏普株式会社 | 液晶显示装置和液晶显示单元 |
RU2501067C1 (ru) * | 2009-09-30 | 2013-12-10 | Шарп Кабусики Кайся | Дисплейное устройство |
CN102682729B (zh) * | 2012-04-27 | 2013-12-18 | 杭州电子科技大学 | 一种基于cpld的液晶显示控制器快速矩形绘制的方法 |
CN105807456B (zh) * | 2016-05-10 | 2019-02-22 | 昆山龙腾光电有限公司 | 点灯测试方法及装置 |
CN209103798U (zh) * | 2018-12-13 | 2019-07-12 | 惠科股份有限公司 | 显示装置的背光电路及显示装置 |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5547448B2 (ko) * | 1973-05-15 | 1980-11-29 | ||
US5345392A (en) * | 1991-01-25 | 1994-09-06 | International Business Machines Corporation | Battery charge monitor for a personal computer |
JPH08152862A (ja) * | 1994-11-29 | 1996-06-11 | Sanyo Electric Co Ltd | 液晶表示用バックライトの取換え時期報知装置 |
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 |
-
1998
- 1998-02-17 KR KR1019980004715A patent/KR100280173B1/ko active IP Right Grant
-
1999
- 1999-02-05 US US09/245,800 patent/US6268844B1/en not_active Expired - Lifetime
- 1999-02-08 ID IDP990090A patent/ID21994A/id unknown
- 1999-02-11 DE DE19905690A patent/DE19905690B4/de not_active Expired - Fee Related
- 1999-02-12 BR BR9900648-0A patent/BR9900648A/pt not_active IP Right Cessation
- 1999-02-14 CN CN99100807A patent/CN1123798C/zh not_active Expired - Fee Related
- 1999-02-15 AU AU17304/99A patent/AU728767B2/en not_active Ceased
- 1999-02-16 RU RU99103205/09A patent/RU2163735C2/ru active
- 1999-02-16 JP JP11036965A patent/JPH11311783A/ja active Pending
- 1999-02-17 GB GB9903665A patent/GB2334364B/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
CN1123798C (zh) | 2003-10-08 |
GB2334364A (en) | 1999-08-18 |
RU2163735C2 (ru) | 2001-02-27 |
DE19905690B4 (de) | 2006-01-12 |
DE19905690A1 (de) | 1999-08-26 |
GB9903665D0 (en) | 1999-04-14 |
AU1730499A (en) | 1999-09-16 |
JPH11311783A (ja) | 1999-11-09 |
AU728767B2 (en) | 2001-01-18 |
ID21994A (id) | 1999-08-19 |
GB2334364B (en) | 2000-04-26 |
US6268844B1 (en) | 2001-07-31 |
CN1233769A (zh) | 1999-11-03 |
BR9900648A (pt) | 1999-12-21 |
KR100280173B1 (ko) | 2001-02-01 |
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