CN101435950B - 背光单元和包括背光单元的液晶显示装置 - Google Patents
背光单元和包括背光单元的液晶显示装置 Download PDFInfo
- Publication number
- CN101435950B CN101435950B CN2008101691726A CN200810169172A CN101435950B CN 101435950 B CN101435950 B CN 101435950B CN 2008101691726 A CN2008101691726 A CN 2008101691726A CN 200810169172 A CN200810169172 A CN 200810169172A CN 101435950 B CN101435950 B CN 101435950B
- Authority
- CN
- China
- Prior art keywords
- lamp
- electrically connected
- capacitor
- terminal
- pcb substrate
- 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
- 239000004973 liquid crystal related substance Substances 0.000 title claims abstract description 21
- 239000003990 capacitor Substances 0.000 claims abstract description 107
- 239000000758 substrate Substances 0.000 claims description 56
- 239000002184 metal Substances 0.000 claims description 5
- 238000001514 detection method Methods 0.000 claims description 4
- 230000002159 abnormal effect Effects 0.000 abstract 2
- 239000010408 film Substances 0.000 description 10
- 230000001953 sensory effect Effects 0.000 description 10
- 238000010586 diagram Methods 0.000 description 8
- 238000000034 method Methods 0.000 description 6
- 238000009792 diffusion process Methods 0.000 description 5
- 239000011521 glass Substances 0.000 description 4
- 239000003985 ceramic capacitor Substances 0.000 description 3
- 230000003287 optical effect Effects 0.000 description 3
- 238000000354 decomposition reaction Methods 0.000 description 2
- 238000012216 screening Methods 0.000 description 2
- 238000005538 encapsulation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000001902 propagating effect Effects 0.000 description 1
- 239000010409 thin film Substances 0.000 description 1
- 238000002834 transmittance Methods 0.000 description 1
Images
Classifications
-
- 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
- H05B41/2825—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 bridge converter in the final stage
- H05B41/2827—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 bridge converter in the final stage using specially adapted components in the load circuit, e.g. feed-back transformers, piezoelectric transformers; using specially adapted load circuit configurations
-
- 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
-
- 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
-
- 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
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- General Physics & Mathematics (AREA)
- Computer Hardware Design (AREA)
- Nonlinear Science (AREA)
- Theoretical Computer Science (AREA)
- Power Engineering (AREA)
- Crystallography & Structural Chemistry (AREA)
- Optics & Photonics (AREA)
- Chemical & Material Sciences (AREA)
- Mathematical Physics (AREA)
- Liquid Crystal (AREA)
- Planar Illumination Modules (AREA)
- Liquid Crystal Display Device Control (AREA)
- Circuit Arrangements For Discharge Lamps (AREA)
- Control Of Indicators Other Than Cathode Ray Tubes (AREA)
Abstract
Description
Claims (16)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR115263/07 | 2007-11-13 | ||
KR1020070115263A KR101448907B1 (ko) | 2007-11-13 | 2007-11-13 | 액정표시장치의 백라이트 유닛 및 이를 포함하는액정표시장치 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN101435950A CN101435950A (zh) | 2009-05-20 |
CN101435950B true CN101435950B (zh) | 2012-08-29 |
Family
ID=40623071
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN2008101691726A Expired - Fee Related CN101435950B (zh) | 2007-11-13 | 2008-11-04 | 背光单元和包括背光单元的液晶显示装置 |
Country Status (3)
Country | Link |
---|---|
US (1) | US8058813B2 (zh) |
KR (1) | KR101448907B1 (zh) |
CN (1) | CN101435950B (zh) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR101580617B1 (ko) | 2014-06-05 | 2015-12-28 | 오병오 | 빛의 조사구간 선택이 용이한 실외용 엘이디등기구 |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN2909771Y (zh) * | 2005-12-02 | 2007-06-06 | 群康科技(深圳)有限公司 | 冷阴极荧光灯平衡控制电路 |
CN101049055A (zh) * | 2004-11-04 | 2007-10-03 | 三井金属矿业株式会社 | 电容器层形成材料以及具有采用该电容器层形成材料获得的内置电容器层的印刷电路板 |
Family Cites Families (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP3737677B2 (ja) | 1999-06-07 | 2006-01-18 | 松下電器産業株式会社 | 圧電トランスの駆動回路、及び、圧電トランスを用いた冷陰極管駆動装置 |
US6583534B1 (en) * | 1999-06-07 | 2003-06-24 | Matsushita Electric Industrial Co., Ltd. | Piezoelectric transformer, piezoelectric transformer drive circuit, piezoelectric transformer drive method and cold cathode tube drive apparatus using piezoelectric transformer |
US6515881B2 (en) | 2001-06-04 | 2003-02-04 | O2Micro International Limited | Inverter operably controlled to reduce electromagnetic interference |
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 |
KR101012800B1 (ko) * | 2004-05-13 | 2011-02-08 | 삼성전자주식회사 | 표시 장치용 광원의 구동 장치 |
KR100646427B1 (ko) * | 2005-03-04 | 2006-11-23 | 삼성전자주식회사 | 병렬 구동이 가능한 램프 결합 구조 |
TWI280377B (en) * | 2006-01-03 | 2007-05-01 | Delta Electronics Inc | Inverter system and detecting device thereof |
TWI391029B (zh) * | 2007-12-31 | 2013-03-21 | Ampower Technology Co Ltd | 放電燈驅動系統 |
US20080196945A1 (en) * | 2007-02-21 | 2008-08-21 | Jason Konstas | Preventing unintentional activation of a sensor element of a sensing device |
KR101494214B1 (ko) * | 2007-10-05 | 2015-02-17 | 삼성디스플레이 주식회사 | 백라이트 어셈블리 및 이를 구비한 표시 장치 |
-
2007
- 2007-11-13 KR KR1020070115263A patent/KR101448907B1/ko not_active IP Right Cessation
-
2008
- 2008-09-10 US US12/207,639 patent/US8058813B2/en not_active Expired - Fee Related
- 2008-11-04 CN CN2008101691726A patent/CN101435950B/zh not_active Expired - Fee Related
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101049055A (zh) * | 2004-11-04 | 2007-10-03 | 三井金属矿业株式会社 | 电容器层形成材料以及具有采用该电容器层形成材料获得的内置电容器层的印刷电路板 |
CN2909771Y (zh) * | 2005-12-02 | 2007-06-06 | 群康科技(深圳)有限公司 | 冷阴极荧光灯平衡控制电路 |
Also Published As
Publication number | Publication date |
---|---|
KR20090049156A (ko) | 2009-05-18 |
US20090121643A1 (en) | 2009-05-14 |
CN101435950A (zh) | 2009-05-20 |
KR101448907B1 (ko) | 2014-10-14 |
US8058813B2 (en) | 2011-11-15 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
C06 | Publication | ||
PB01 | Publication | ||
C10 | Entry into substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
ASS | Succession or assignment of patent right |
Owner name: SAMSUNG MONITOR CO., LTD. Free format text: FORMER OWNER: SAMSUNG ELECTRONICS CO., LTD. Effective date: 20121030 |
|
C41 | Transfer of patent application or patent right or utility model | ||
TR01 | Transfer of patent right |
Effective date of registration: 20121030 Address after: Gyeonggi Do, South Korea Patentee after: Samsung Display Co., Ltd. Address before: Gyeonggi Do, South Korea Patentee before: Samsung Electronics Co., Ltd. |
|
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120829 Termination date: 20171104 |
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CF01 | Termination of patent right due to non-payment of annual fee |