FR2869191B1 - Unite de pilotage de lampe fluorescente et procede de pilotage de cette derniere - Google Patents
Unite de pilotage de lampe fluorescente et procede de pilotage de cette derniereInfo
- Publication number
- FR2869191B1 FR2869191B1 FR0503679A FR0503679A FR2869191B1 FR 2869191 B1 FR2869191 B1 FR 2869191B1 FR 0503679 A FR0503679 A FR 0503679A FR 0503679 A FR0503679 A FR 0503679A FR 2869191 B1 FR2869191 B1 FR 2869191B1
- Authority
- FR
- France
- Prior art keywords
- controlling
- control unit
- same
- lamp control
- fluorescent 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.)
- Active
Links
Classifications
-
- 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
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
- A47L25/00—Domestic cleaning devices not provided for in other groups of this subclass
- A47L25/005—Domestic cleaning devices not provided for in other groups of this subclass using adhesive or tacky surfaces to remove dirt, e.g. lint removers
-
- 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
- G09G3/342—Control of illumination source using several illumination sources separately controlled corresponding to different display panel areas, e.g. along one dimension such as lines
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
- A47L7/00—Suction cleaners adapted for additional purposes; Tables with suction openings for cleaning purposes; Containers for cleaning articles by suction; Suction cleaners adapted to cleaning of brushes; Suction cleaners adapted to taking-up liquids
- A47L7/0004—Suction cleaners adapted to take up liquids, e.g. wet or dry vacuum cleaners
- A47L7/0023—Recovery tanks
- A47L7/0028—Security means, e.g. float valves or level switches for preventing overflow
-
- 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
- H05B41/24—Circuit arrangements in which the lamp is fed by high frequency ac, or with separate oscillator frequency
- H05B41/245—Circuit arrangements in which the lamp is fed by high frequency ac, or with separate oscillator frequency for a plurality of lamps
-
- 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
- H05B41/26—Circuit arrangements in which the lamp is fed by power derived from dc by means of a converter, e.g. by high-voltage dc
- H05B41/28—Circuit arrangements in which the lamp is fed by power derived from dc by means of a converter, e.g. by high-voltage dc using static converters
- H05B41/282—Circuit arrangements in which the lamp is fed by power derived from dc by means of a converter, e.g. by high-voltage dc using static converters with semiconductor devices
- H05B41/2821—Circuit arrangements in which the lamp is fed by power derived from dc by means of a converter, e.g. by high-voltage dc using static converters with semiconductor devices by means of a single-switch converter or a parallel push-pull converter in the final stage
-
- 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
- G09G2320/064—Adjustment of display parameters for control of overall brightness by time modulation of the brightness of the illumination source
-
- 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
- G09G3/36—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 using liquid crystals
- G09G3/3611—Control of matrices with row and column drivers
- G09G3/3648—Control of matrices with row and column drivers using an active matrix
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)
- Circuit Arrangements For Discharge Lamps (AREA)
- Liquid Crystal (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020040025780A KR101009673B1 (ko) | 2004-04-14 | 2004-04-14 | 발광램프의 구동장치 및 그 구동방법 |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2869191A1 FR2869191A1 (fr) | 2005-10-21 |
FR2869191B1 true FR2869191B1 (fr) | 2009-07-03 |
Family
ID=34617474
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR0503679A Active FR2869191B1 (fr) | 2004-04-14 | 2005-04-13 | Unite de pilotage de lampe fluorescente et procede de pilotage de cette derniere |
Country Status (6)
Country | Link |
---|---|
US (1) | US7362059B2 (fr) |
KR (1) | KR101009673B1 (fr) |
CN (1) | CN100359382C (fr) |
FR (1) | FR2869191B1 (fr) |
GB (1) | GB2413223B (fr) |
TW (1) | TWI302421B (fr) |
Families Citing this family (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR20070086662A (ko) * | 2004-11-26 | 2007-08-27 | 코닌클리즈케 필립스 일렉트로닉스 엔.브이. | 램프 선택부를 구비한 가스 방전 램프 구동 회로 |
KR20060119309A (ko) * | 2005-05-19 | 2006-11-24 | 삼성전자주식회사 | 액정표시장치 |
US7429835B2 (en) | 2006-02-07 | 2008-09-30 | Himax Technologies Limited | Backlight module driver circuit |
JP4113962B2 (ja) * | 2006-09-13 | 2008-07-09 | シャープ株式会社 | バックライト装置及び液晶表示装置 |
KR20080053769A (ko) * | 2006-12-11 | 2008-06-16 | 삼성코닝정밀유리 주식회사 | 면광원 장치 및 이를 구비하는 백라이트 유닛 |
KR101229773B1 (ko) | 2007-04-02 | 2013-02-06 | 엘지디스플레이 주식회사 | 액정표시장치의 램프 구동 장치 |
KR100872255B1 (ko) * | 2007-07-20 | 2008-12-05 | 삼성전기주식회사 | 액정 표시 장치의 백라이트 구동 장치 |
TWI363905B (en) * | 2008-01-30 | 2012-05-11 | Au Optronics Corp | Backlight module |
JP6088936B2 (ja) | 2013-08-07 | 2017-03-01 | ルネサスエレクトロニクス株式会社 | レベルシフタ |
Family Cites Families (24)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP3205373B2 (ja) * | 1992-03-12 | 2001-09-04 | 株式会社日立製作所 | 液晶表示装置 |
JPH05299183A (ja) * | 1992-04-23 | 1993-11-12 | Matsushita Electric Works Ltd | 放電灯点灯装置 |
JPH06203983A (ja) * | 1992-12-28 | 1994-07-22 | Minebea Co Ltd | 複数放電灯の点灯装置 |
US5574336A (en) * | 1995-03-28 | 1996-11-12 | Motorola, Inc. | Flourescent lamp circuit employing a reset transistor coupled to a start-up circuit that in turn controls a control circuit |
DE19517630C2 (de) * | 1995-05-13 | 1997-10-09 | Metzeler Gimetall Ag | Aktiver Schwingungstilger |
JP3486742B2 (ja) * | 1997-11-27 | 2004-01-13 | 株式会社ヒューネット | 液晶ディスプレイ用バックライト |
JP2000182791A (ja) * | 1998-12-10 | 2000-06-30 | Harison Electric Co Ltd | 放電灯駆動装置 |
JP3688574B2 (ja) * | 1999-10-08 | 2005-08-31 | シャープ株式会社 | 液晶表示装置および光源装置 |
KR100350014B1 (ko) * | 2000-04-15 | 2002-08-24 | 주식회사 광운디스플레이기술 | 외부전극 형광램프를 포함하는 백라이트 및 그 구동방법 |
US6307765B1 (en) * | 2000-06-22 | 2001-10-23 | Linfinity Microelectronics | Method and apparatus for controlling minimum brightness of a fluorescent lamp |
US6549071B1 (en) * | 2000-09-12 | 2003-04-15 | Silicon Laboratories, Inc. | Power amplifier circuitry and method using an inductance coupled to power amplifier switching devices |
KR100759362B1 (ko) * | 2001-01-18 | 2007-09-19 | 삼성전자주식회사 | 백라이트 어셈블리 및 이를 갖는 액정 표시 장치 |
US6570344B2 (en) * | 2001-05-07 | 2003-05-27 | O2Micro International Limited | Lamp grounding and leakage current detection system |
US7084583B2 (en) * | 2001-06-25 | 2006-08-01 | Mirae Corporation | External electrode fluorescent lamp, back light unit using the external electrode fluorescent lamp, LCD back light equipment using the back light unit and driving device thereof |
CN1431644A (zh) * | 2002-01-10 | 2003-07-23 | 英业达股份有限公司 | 液晶显示装置的驱动电路 |
JP2003347084A (ja) * | 2002-05-30 | 2003-12-05 | Nec Lighting Ltd | 蛍光ランプ点灯装置 |
KR100885021B1 (ko) * | 2002-09-12 | 2009-02-20 | 삼성전자주식회사 | 인버터 구동 장치 및 이를 이용한 액정 표시 장치 |
WO2004055774A1 (fr) * | 2002-12-18 | 2004-07-01 | Koninklijke Philips Electronics N.V. | Dispositif a retroeclairage a defilement pour panneau d'affichage a cristaux liquides |
US6778415B2 (en) * | 2003-01-22 | 2004-08-17 | O2Micro, Inc. | Controller electrical power circuit supplying energy to a display device |
MXPA05008423A (es) * | 2003-02-06 | 2006-03-17 | Ceyx Technologies Inc | Sistema de control digital para iluminacion posterior de pantallas de cristal liquido. |
TWI220080B (en) * | 2003-07-07 | 2004-08-01 | Cheng Ching Tzu | Measurement and protection apparatus of cold cathode tube group |
JP2007511061A (ja) * | 2003-11-06 | 2007-04-26 | セイックス テクノロジーズ、インク | 発光機器アレイの電力効率最適化の方法と装置 |
KR20050050894A (ko) * | 2003-11-26 | 2005-06-01 | 엘지.필립스 엘시디 주식회사 | 백라이트 유닛 |
KR101046924B1 (ko) * | 2004-05-11 | 2011-07-06 | 삼성전자주식회사 | 백라이트 어셈블리 및 이를 구비한 디스플레이 장치 |
-
2004
- 2004-04-14 KR KR1020040025780A patent/KR101009673B1/ko not_active IP Right Cessation
-
2005
- 2005-04-12 TW TW094111498A patent/TWI302421B/zh not_active IP Right Cessation
- 2005-04-13 FR FR0503679A patent/FR2869191B1/fr active Active
- 2005-04-13 CN CNB2005100643153A patent/CN100359382C/zh not_active Expired - Fee Related
- 2005-04-14 US US11/105,585 patent/US7362059B2/en active Active
- 2005-04-14 GB GB0507600A patent/GB2413223B/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
TWI302421B (en) | 2008-10-21 |
GB0507600D0 (en) | 2005-05-18 |
CN1683971A (zh) | 2005-10-19 |
FR2869191A1 (fr) | 2005-10-21 |
TW200601904A (en) | 2006-01-01 |
US7362059B2 (en) | 2008-04-22 |
GB2413223A (en) | 2005-10-19 |
CN100359382C (zh) | 2008-01-02 |
US20050237009A1 (en) | 2005-10-27 |
GB2413223B (en) | 2006-10-04 |
KR101009673B1 (ko) | 2011-01-19 |
KR20050100510A (ko) | 2005-10-19 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
CD | Change of name or company name | ||
PLFP | Fee payment |
Year of fee payment: 12 |
|
PLFP | Fee payment |
Year of fee payment: 13 |