JP3143909U - バックライト - Google Patents
バックライト Download PDFInfo
- Publication number
- JP3143909U JP3143909U JP2008003571U JP2008003571U JP3143909U JP 3143909 U JP3143909 U JP 3143909U JP 2008003571 U JP2008003571 U JP 2008003571U JP 2008003571 U JP2008003571 U JP 2008003571U JP 3143909 U JP3143909 U JP 3143909U
- Authority
- JP
- Japan
- Prior art keywords
- circuit board
- control circuit
- backlight
- current balancing
- 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
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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
-
- 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
- G02F1/133602—Direct backlight
- G02F1/133604—Direct backlight with lamps
-
- 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
- G02F1/133602—Direct backlight
- G02F1/133612—Electrical details
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G2330/00—Aspects of power supply; Aspects of display protection and defect management
- G09G2330/02—Details of power systems and of start or stop of display operation
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K1/00—Printed circuits
- H05K1/02—Details
- H05K1/0213—Electrical arrangements not otherwise provided for
- H05K1/0254—High voltage adaptations; Electrical insulation details; Overvoltage or electrostatic discharge protection ; Arrangements for regulating voltages or for using plural voltages
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K1/00—Printed circuits
- H05K1/16—Printed circuits incorporating printed electric components, e.g. printed resistor, capacitor, inductor
- H05K1/162—Printed circuits incorporating printed electric components, e.g. printed resistor, capacitor, inductor incorporating printed capacitors
Abstract
【解決手段】複数のランプ230を具備する光源モジュール23と、流入される電気信号を前記光源モジュールを駆動する高圧信号へ変換する制御回路210が設置される制御回路基板21と、四層基板に構成され、且つ基板の内部に銅薄膜に形成され、ランプ230に流れる電流を平衡させる複数のコンデンサーが設置される電流平衡回路基板22と、制御回路基板21と電流平衡回路基板22を電気接続させる複数の高圧線25と、を含むバックライト2である。
【選択図】図2a
Description
3 バックライト
21 制御回路基板
31 制御回路基板
210 制御回路
310 制御回路
311 コネクタ回路
22 電流平衡回路基板
32 電流平衡回路基板
32’電流平衡回路基板
220 保護回路
320 保護回路
320’保護回路
211 コネクタ
221 コネクタ
313 コネクタ
23 光源モジュール
33 光源モジュール
230 ランプ
330 ランプ
25 高圧線
Claims (10)
- 複数のランプを具備する光源モジュールと、
流入される電気信号を前記光源モジュールを駆動する高圧信号へ変換する制御回路が設置される制御回路基板と、
四層基板に構成され、且つ基板の内部に銅薄膜に形成され、前記ランプに流れる電流を平衡させる複数のコンデンサーが設置される電流平衡回路基板と、
前記制御回路基板と前記電流平衡回路基板を電気接続させる複数の高圧線と、を含むことを特徴とするバックライト。 - 前記電流平衡回路基板は、前記ランプにほぼ垂直するようにランプの側に設置されることを特徴とする請求項1に記載のバックライト。
- 前記制御回路基板に設置され、前記高圧線の一端に電気接続される第一コネクタを更に含むことを特徴とする請求項2に記載のバックライト。
- 前記電流平衡回路基板に設置され、前記高圧線の他端に電気接続される第二コネクタを更に含むことを特徴とする請求項2に記載のバックライト。
- 前記電流平衡回路基板が前記制御回路基板に設置されることを特徴とする請求項1に記載のバックライト。
- 前記電流平衡回路基板が前記制御回路基板にほぼ垂直するように設置されることを特徴とする請求項5に記載のバックライト。
- 前記電流平衡回路基板が前記制御回路基板にほぼ平行するように設置されることを特徴とする請求項5に記載のバックライト。
- 前記制御回路基板にコネクタ回路が設置され、前記コネクタ回路は、制御回路基板と複数のランプを電気接続させる複数のコネクタを具備することを特徴とする請求項5に記載のバックライト。
- 前記電流平衡回路基板に設置され、前記制御回路に保護信号を印加して制御回路の出力を制御する保護回路を更に含むことを特徴とする請求項1に記載のバックライト。
- 複数のランプを具備する光源モジュールと、
流入される電気信号を前記光源モジュールを駆動する高圧信号へ変換する制御回路が設置される制御回路基板と、
六層基板に構成され、且つ基板の内部に銅薄膜に形成され、前記ランプに流れる電流を平衡させる複数のコンデンサーが設置される電流平衡回路基板と、
前記制御回路基板と前記電流平衡回路基板を電気接続させる複数の高圧線と、を含むことを特徴とするバックライト。
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CNU2007202006489U CN201122221Y (zh) | 2007-07-12 | 2007-07-12 | 背光模块 |
Publications (1)
Publication Number | Publication Date |
---|---|
JP3143909U true JP3143909U (ja) | 2008-08-07 |
Family
ID=40009454
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2008003571U Expired - Fee Related JP3143909U (ja) | 2007-07-12 | 2008-05-29 | バックライト |
Country Status (3)
Country | Link |
---|---|
US (1) | US20090015171A1 (ja) |
JP (1) | JP3143909U (ja) |
CN (1) | CN201122221Y (ja) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2010041496A1 (ja) * | 2008-10-10 | 2010-04-15 | シャープ株式会社 | 照明装置および液晶表示装置 |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP2233821A4 (en) * | 2008-01-22 | 2011-11-30 | Sharp Kk | LIGHTING DEVICE, DISPLAY DEVICE AND TELEVISION RECEIVER |
WO2009107460A1 (ja) * | 2008-02-27 | 2009-09-03 | シャープ株式会社 | 照明装置、表示装置、テレビ受信装置 |
WO2013070545A1 (en) * | 2011-11-07 | 2013-05-16 | Landy Toth | Metabolic and cardiopulmonary monitor |
US20130206133A1 (en) * | 2012-02-10 | 2013-08-15 | Fmi Products Llc | X-vent |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP4312654B2 (ja) * | 2004-05-07 | 2009-08-12 | パナソニック株式会社 | 冷陰極管点灯装置 |
KR100646427B1 (ko) * | 2005-03-04 | 2006-11-23 | 삼성전자주식회사 | 병렬 구동이 가능한 램프 결합 구조 |
JP4716105B2 (ja) * | 2005-11-14 | 2011-07-06 | ミネベア株式会社 | 放電灯点灯装置 |
KR101233819B1 (ko) * | 2006-02-07 | 2013-02-18 | 삼성디스플레이 주식회사 | 램프 구동 장치 및 이를 포함한 액정 표시 장치 |
TW200744406A (en) * | 2006-05-16 | 2007-12-01 | Delta Electronics Inc | Driving circuit for illuminating and protecting multiple discharge lamps with trace-to-trace capacitance |
-
2007
- 2007-07-12 CN CNU2007202006489U patent/CN201122221Y/zh not_active Expired - Fee Related
-
2008
- 2008-05-29 JP JP2008003571U patent/JP3143909U/ja not_active Expired - Fee Related
- 2008-07-07 US US12/168,847 patent/US20090015171A1/en not_active Abandoned
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2010041496A1 (ja) * | 2008-10-10 | 2010-04-15 | シャープ株式会社 | 照明装置および液晶表示装置 |
Also Published As
Publication number | Publication date |
---|---|
US20090015171A1 (en) | 2009-01-15 |
CN201122221Y (zh) | 2008-09-24 |
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