KR20070019349A - 엘시디 백라이트용 램프의 구동회로 - Google Patents
엘시디 백라이트용 램프의 구동회로 Download PDFInfo
- Publication number
- KR20070019349A KR20070019349A KR1020050074240A KR20050074240A KR20070019349A KR 20070019349 A KR20070019349 A KR 20070019349A KR 1020050074240 A KR1020050074240 A KR 1020050074240A KR 20050074240 A KR20050074240 A KR 20050074240A KR 20070019349 A KR20070019349 A KR 20070019349A
- Authority
- KR
- South Korea
- Prior art keywords
- winding
- lamp
- balancing
- transformer
- rear end
- Prior art date
Links
Images
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
- G09G3/36—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
-
- 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
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Physics & Mathematics (AREA)
- Computer Hardware Design (AREA)
- General Physics & Mathematics (AREA)
- Theoretical Computer Science (AREA)
- Circuit Arrangements For Discharge Lamps (AREA)
Abstract
Description
Claims (2)
- 복수의 램프들을 구동시키기 위하여, 각각의 램프의 전단부에는 전단부 밸런싱 변압기를 통하여 전단부 인버터에 연결되고, 상기 램프의 후단부에는 후단부 밸런싱 변압기를 통하여 후단부 인버터에 연결되는 엘시디 백라이트용 램프의 구동회로에 있어서:상기 전단부 밸런싱 변압기들은 상호 병렬로 결선되고, 상기 전단부 밸런싱 변압기의 1차 측 권선은 다중 권선으로 각각의 권선에 램프의 전단부가 연결되며, 2차측 권선은 타 전단부 밸런싱 변압기의 2차측 권선과 폐루프를 형성하며, 상기 후단부 밸런싱 변압기들은 상호 병렬로 결선되고, 상기 후단부 밸런싱 변압기의 1차측 권선은 다중 권선으로 각각의 권선에 램프의 후단부가 연결되며, 2차측 권선은 타 후단부 밸런스 변압기의 2차측 권선과 폐루프를 형성하는 것을 특징으로 하는 엘시디 백라이트용 램프의 구동회로.
- 제 1 항에 있어서, 상기 다중 권선은 2 중 권선인 것을 특징으로 하는 엘시디 백라이트용 램프의 구동회로.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020050074240A KR101063818B1 (ko) | 2005-08-12 | 2005-08-12 | 엘시디 백라이트용 램프의 구동회로 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020050074240A KR101063818B1 (ko) | 2005-08-12 | 2005-08-12 | 엘시디 백라이트용 램프의 구동회로 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR20070019349A true KR20070019349A (ko) | 2007-02-15 |
KR101063818B1 KR101063818B1 (ko) | 2011-09-08 |
Family
ID=43652424
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1020050074240A KR101063818B1 (ko) | 2005-08-12 | 2005-08-12 | 엘시디 백라이트용 램프의 구동회로 |
Country Status (1)
Country | Link |
---|---|
KR (1) | KR101063818B1 (ko) |
-
2005
- 2005-08-12 KR KR1020050074240A patent/KR101063818B1/ko active IP Right Grant
Also Published As
Publication number | Publication date |
---|---|
KR101063818B1 (ko) | 2011-09-08 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
US7777431B2 (en) | Inverter circuit, fluorescent bulb operating device, backlight device, and liquid crystal display device | |
US7443112B2 (en) | Current balancing circuit for a multi-lamp system | |
US20070247082A1 (en) | Discharge Lamp Operating Device | |
US20070085492A1 (en) | Matrix inverter for driving multiple discharge lamps | |
JP2008140768A (ja) | マルチランプの駆動システムおよびその電流平衡回路 | |
KR101063818B1 (ko) | 엘시디 백라이트용 램프의 구동회로 | |
EP1843644B1 (en) | Discharge tube drive circuit | |
KR100661356B1 (ko) | 밸런스 코일 및 백 라이트 구동용 인버터 | |
KR200398663Y1 (ko) | 다중 램프 평형 변압기 및 구동 회로 | |
US20080211615A1 (en) | Inverter transformer | |
KR101117959B1 (ko) | 밸런스 트랜스포머를 적용한 인버터 회로 | |
KR20080107998A (ko) | 냉음극 형광방전관 점등 장치 | |
US20080246412A1 (en) | Fluorescent lamp driver | |
US20160057821A1 (en) | Illumination Module | |
US20070170872A1 (en) | Control device for multiple lamp currents of liquid crystal display backlight source | |
JP2008005575A (ja) | Dc/acインバータ | |
KR200414550Y1 (ko) | 액정 디스플레이 백라이트 광원의 다중 램프 전류 제어장치 | |
KR200378024Y1 (ko) | 램프 로드 공유 회로 | |
KR101372009B1 (ko) | Led 조명용 회로장치 및 인쇄회로기판 | |
US8120271B2 (en) | Multi-lamp driving circuit | |
KR100737528B1 (ko) | 혼합방식의 병렬 구동 인버터 | |
KR100952498B1 (ko) | 투 인 원 트랜스포머를 이용한 인버터 | |
US7268500B2 (en) | Control device for multiple lamp currents of liquid crystal display backlight source | |
KR20080110310A (ko) | 백라이트 인버터 회로 | |
US8258715B2 (en) | Fluorescent lamp with balanced lamp tube electric potentials |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
A201 | Request for examination | ||
E701 | Decision to grant or registration of patent right | ||
GRNT | Written decision to grant | ||
FPAY | Annual fee payment |
Payment date: 20140805 Year of fee payment: 4 |
|
FPAY | Annual fee payment |
Payment date: 20150806 Year of fee payment: 5 |
|
FPAY | Annual fee payment |
Payment date: 20160805 Year of fee payment: 6 |
|
FPAY | Annual fee payment |
Payment date: 20170804 Year of fee payment: 7 |
|
FPAY | Annual fee payment |
Payment date: 20180809 Year of fee payment: 8 |
|
FPAY | Annual fee payment |
Payment date: 20190812 Year of fee payment: 9 |