DE60307231D1 - Übergangslose aufhellung von lcd-monitoren und lcd-fernsehgeräten - Google Patents
Übergangslose aufhellung von lcd-monitoren und lcd-fernsehgerätenInfo
- Publication number
- DE60307231D1 DE60307231D1 DE60307231T DE60307231T DE60307231D1 DE 60307231 D1 DE60307231 D1 DE 60307231D1 DE 60307231 T DE60307231 T DE 60307231T DE 60307231 T DE60307231 T DE 60307231T DE 60307231 D1 DE60307231 D1 DE 60307231D1
- Authority
- DE
- Germany
- Prior art keywords
- current
- highlighting
- lcd
- increased
- backlighting lamp
- 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
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
-
- 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
- H05B41/00—Circuit arrangements or apparatus for igniting or operating discharge lamps
- H05B41/14—Circuit arrangements
- H05B41/36—Controlling
- H05B41/38—Controlling the intensity of light
- H05B41/382—Controlling the intensity of light during the transitional start-up phase
- H05B41/386—Controlling the intensity of light during the transitional start-up phase for speeding-up the lighting-up
-
- 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
Landscapes
- Physics & Mathematics (AREA)
- Nonlinear Science (AREA)
- Engineering & Computer Science (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Crystallography & Structural Chemistry (AREA)
- Chemical & Material Sciences (AREA)
- Mathematical Physics (AREA)
- Computer Hardware Design (AREA)
- Theoretical Computer Science (AREA)
- Liquid Crystal Display Device Control (AREA)
- Control Of Indicators Other Than Cathode Ray Tubes (AREA)
- Transforming Electric Information Into Light Information (AREA)
- Liquid Crystal (AREA)
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US55351 | 2002-01-22 | ||
US10/055,351 US6894675B2 (en) | 2002-01-22 | 2002-01-22 | Seamless highlighting in LCD monitors and LCD-TV |
PCT/IB2003/000113 WO2003063125A1 (en) | 2002-01-22 | 2003-01-17 | Seamless highlighting in lcd monitors and lcd-tv |
Publications (2)
Publication Number | Publication Date |
---|---|
DE60307231D1 true DE60307231D1 (de) | 2006-09-14 |
DE60307231T2 DE60307231T2 (de) | 2007-06-28 |
Family
ID=21997258
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE60307231T Expired - Fee Related DE60307231T2 (de) | 2002-01-22 | 2003-01-17 | Übergangslose aufhellung von lcd-monitoren und lcd-fernsehgeräten |
Country Status (8)
Country | Link |
---|---|
US (1) | US6894675B2 (de) |
EP (1) | EP1472677B1 (de) |
JP (1) | JP2005516246A (de) |
KR (1) | KR20040086285A (de) |
CN (1) | CN1774736A (de) |
AT (1) | ATE335270T1 (de) |
DE (1) | DE60307231T2 (de) |
WO (1) | WO2003063125A1 (de) |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2005521904A (ja) * | 2002-04-02 | 2005-07-21 | コーニンクレッカ フィリップス エレクトロニクス エヌ ヴィ | 液晶ディスプレイに対するウィンドウの輝度の強調 |
US20050088461A1 (en) * | 2003-10-23 | 2005-04-28 | International Business Machines Corporation | Method and apparatus for selectively changing the brightness level of a portion of a screen in a data processing system |
JP4491638B2 (ja) * | 2004-05-20 | 2010-06-30 | 日本電気株式会社 | バックライト用他励式インバータ回路および駆動方法 |
CN105679252B (zh) * | 2016-03-01 | 2018-05-18 | 广东欧珀移动通信有限公司 | 快速设置背光亮度的方法及系统 |
KR102629977B1 (ko) | 2018-11-07 | 2024-02-21 | 삼성전자주식회사 | 디스플레이 장치 및 그 제어방법 |
US11070777B2 (en) * | 2018-11-23 | 2021-07-20 | Coretronic Corporation | Projection apparatus and operation method thereof |
CN110568891B (zh) * | 2019-09-24 | 2021-07-09 | 上海艾为电子技术股份有限公司 | 一种电流dac电路和输出电流的方法 |
Family Cites Families (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4033263A (en) * | 1974-12-12 | 1977-07-05 | Harris Corporation | Wide range power control for electric discharge lamp and press using the same |
US4733229A (en) * | 1984-01-24 | 1988-03-22 | Whitehead Frank R | Highlighting gray scale video display terminal |
US5808597A (en) * | 1995-03-08 | 1998-09-15 | Canon Kabushiki Kaisha | Illumination device for liquid crystal display apparatus |
US5734362A (en) * | 1995-06-07 | 1998-03-31 | Cirrus Logic, Inc. | Brightness control for liquid crystal displays |
US5786801A (en) * | 1996-09-06 | 1998-07-28 | Sony Corporation | Back light control apparatus and method for a flat display system |
US5907742A (en) * | 1997-03-09 | 1999-05-25 | Hewlett-Packard Company | Lamp control scheme for rapid warmup of fluorescent lamp in office equipment |
US6151008A (en) | 1997-08-01 | 2000-11-21 | Compaq Computer Corporation | Method and apparatus for controlling the brightness of a display screen |
US6184861B1 (en) * | 1998-03-24 | 2001-02-06 | Ati Technologies, Inc. | Method and apparatus for processing video and graphics data utilizing intensity scaling |
JP2000214838A (ja) * | 1999-01-27 | 2000-08-04 | Fuji Photo Film Co Ltd | 表示装置 |
JP2000287035A (ja) * | 1999-03-30 | 2000-10-13 | Nec Corp | 光源制御装置 |
JP2001125547A (ja) * | 1999-10-28 | 2001-05-11 | Sony Corp | 液晶表示装置及びその表示方法 |
CN1188822C (zh) * | 1999-12-02 | 2005-02-09 | 皇家菲利浦电子有限公司 | 用于突出显示屏幕的被选部分的装置和方法 |
JP3438693B2 (ja) * | 2000-02-03 | 2003-08-18 | 日本電気株式会社 | 表示部付き電子機器 |
US6496236B1 (en) * | 2000-03-17 | 2002-12-17 | Hewlett-Packard Company | Multi-mode backlight for electronic device |
TW548964B (en) | 2001-01-24 | 2003-08-21 | Koninkl Philips Electronics Nv | Window brightness enhancement for LCD display |
-
2002
- 2002-01-22 US US10/055,351 patent/US6894675B2/en not_active Expired - Fee Related
-
2003
- 2003-01-17 WO PCT/IB2003/000113 patent/WO2003063125A1/en active IP Right Grant
- 2003-01-17 KR KR10-2004-7011378A patent/KR20040086285A/ko not_active Application Discontinuation
- 2003-01-17 AT AT03700403T patent/ATE335270T1/de not_active IP Right Cessation
- 2003-01-17 DE DE60307231T patent/DE60307231T2/de not_active Expired - Fee Related
- 2003-01-17 CN CNA038025159A patent/CN1774736A/zh active Pending
- 2003-01-17 JP JP2003562908A patent/JP2005516246A/ja not_active Withdrawn
- 2003-01-17 EP EP03700403A patent/EP1472677B1/de not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
KR20040086285A (ko) | 2004-10-08 |
US6894675B2 (en) | 2005-05-17 |
JP2005516246A (ja) | 2005-06-02 |
CN1774736A (zh) | 2006-05-17 |
ATE335270T1 (de) | 2006-08-15 |
US20030137484A1 (en) | 2003-07-24 |
EP1472677B1 (de) | 2006-08-02 |
DE60307231T2 (de) | 2007-06-28 |
WO2003063125A1 (en) | 2003-07-31 |
EP1472677A1 (de) | 2004-11-03 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8320 | Willingness to grant licences declared (paragraph 23) | ||
8364 | No opposition during term of opposition | ||
8339 | Ceased/non-payment of the annual fee |