CN1349125A - 具有改进的照明装置的液晶显示装置 - Google Patents
具有改进的照明装置的液晶显示装置 Download PDFInfo
- Publication number
- CN1349125A CN1349125A CN01135721A CN01135721A CN1349125A CN 1349125 A CN1349125 A CN 1349125A CN 01135721 A CN01135721 A CN 01135721A CN 01135721 A CN01135721 A CN 01135721A CN 1349125 A CN1349125 A CN 1349125A
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- light source
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- liquid crystal
- light
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- 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.)
- Granted
Links
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Images
Classifications
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- 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
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- G—PHYSICS
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- 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
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- 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
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- 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
-
- 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
- H05B41/2824—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 using control circuits for the switching element
-
- 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
- H05B41/39—Controlling the intensity of light continuously
- H05B41/392—Controlling the intensity of light continuously using semiconductor devices, e.g. thyristor
- H05B41/3921—Controlling the intensity of light continuously using semiconductor devices, e.g. thyristor with possibility of light intensity variations
- H05B41/3927—Controlling the intensity of light continuously using semiconductor devices, e.g. thyristor with possibility of light intensity variations by pulse width modulation
-
- 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
- G09G2310/00—Command of the display device
- G09G2310/02—Addressing, scanning or driving the display screen or processing steps related thereto
- G09G2310/024—Scrolling of light from the illumination source over the display in combination with the scanning of the display screen
-
- 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
- G09G2320/02—Improving the quality of display appearance
- G09G2320/0261—Improving the quality of display appearance in the context of movement of objects on the screen or movement of the observer relative to the screen
-
- 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
- G09G2320/04—Maintaining the quality of display appearance
- G09G2320/041—Temperature compensation
-
- 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
- G09G2320/0633—Adjustment of display parameters for control of overall brightness by amplitude 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
- 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
- G09G2320/00—Control of display operating conditions
- G09G2320/06—Adjustment of display parameters
- G09G2320/066—Adjustment of display parameters for control of contrast
-
- 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
- G09G2330/04—Display protection
- G09G2330/045—Protection against panel overheating
Landscapes
- Physics & Mathematics (AREA)
- Nonlinear Science (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (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)
- Liquid Crystal (AREA)
- Control Of Indicators Other Than Cathode Ray Tubes (AREA)
- Devices For Indicating Variable Information By Combining Individual Elements (AREA)
Abstract
Description
Claims (27)
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP316855/00 | 2000-10-12 | ||
JP2000316855A JP2002123226A (ja) | 2000-10-12 | 2000-10-12 | 液晶表示装置 |
JP316855/2000 | 2000-10-12 |
Related Child Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CNB2005100560324A Division CN100376940C (zh) | 2000-10-12 | 2001-08-24 | 具有改进的照明装置的液晶显示装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN1349125A true CN1349125A (zh) | 2002-05-15 |
CN1201184C CN1201184C (zh) | 2005-05-11 |
Family
ID=18795744
Family Applications (3)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CNA2006101016430A Pending CN1904692A (zh) | 2000-10-12 | 2001-08-24 | 具有改进的照明装置的液晶显示装置 |
CNB2005100560324A Expired - Fee Related CN100376940C (zh) | 2000-10-12 | 2001-08-24 | 具有改进的照明装置的液晶显示装置 |
CNB011357215A Expired - Fee Related CN1201184C (zh) | 2000-10-12 | 2001-08-24 | 具有改进的照明装置的液晶显示装置 |
Family Applications Before (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CNA2006101016430A Pending CN1904692A (zh) | 2000-10-12 | 2001-08-24 | 具有改进的照明装置的液晶显示装置 |
CNB2005100560324A Expired - Fee Related CN100376940C (zh) | 2000-10-12 | 2001-08-24 | 具有改进的照明装置的液晶显示装置 |
Country Status (6)
Country | Link |
---|---|
US (3) | US6636190B2 (zh) |
EP (1) | EP1198160B1 (zh) |
JP (1) | JP2002123226A (zh) |
KR (1) | KR100468559B1 (zh) |
CN (3) | CN1904692A (zh) |
TW (1) | TWI286630B (zh) |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN100339750C (zh) * | 2002-05-17 | 2007-09-26 | 三星电子株式会社 | 背后照明设备、其驱动方法、及配有该设备的液晶显示器 |
CN100392497C (zh) * | 2002-10-29 | 2008-06-04 | 夏普株式会社 | 液晶显示装置 |
CN102159879A (zh) * | 2007-07-20 | 2011-08-17 | 夏普株式会社 | 显示装置及显示装置的驱动方法 |
CN116721637A (zh) * | 2023-06-30 | 2023-09-08 | 惠科股份有限公司 | 背光模组及其驱动方法、显示装置 |
Families Citing this family (185)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5910854A (en) | 1993-02-26 | 1999-06-08 | Donnelly Corporation | Electrochromic polymeric solid films, manufacturing electrochromic devices using such solid films, and processes for making such solid films and devices |
US5668663A (en) | 1994-05-05 | 1997-09-16 | Donnelly Corporation | Electrochromic mirrors and devices |
US6891563B2 (en) * | 1996-05-22 | 2005-05-10 | Donnelly Corporation | Vehicular vision system |
US6172613B1 (en) | 1998-02-18 | 2001-01-09 | Donnelly Corporation | Rearview mirror assembly incorporating vehicle information display |
US6326613B1 (en) | 1998-01-07 | 2001-12-04 | Donnelly Corporation | Vehicle interior mirror assembly adapted for containing a rain sensor |
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2000
- 2000-10-12 JP JP2000316855A patent/JP2002123226A/ja active Pending
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2001
- 2001-08-23 TW TW090120767A patent/TWI286630B/zh not_active IP Right Cessation
- 2001-08-23 KR KR10-2001-0050947A patent/KR100468559B1/ko not_active IP Right Cessation
- 2001-08-23 US US09/934,696 patent/US6636190B2/en not_active Expired - Lifetime
- 2001-08-24 CN CNA2006101016430A patent/CN1904692A/zh active Pending
- 2001-08-24 CN CNB2005100560324A patent/CN100376940C/zh not_active Expired - Fee Related
- 2001-08-24 CN CNB011357215A patent/CN1201184C/zh not_active Expired - Fee Related
- 2001-08-24 EP EP01119719A patent/EP1198160B1/en not_active Expired - Lifetime
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2003
- 2003-08-08 US US10/636,612 patent/US7138974B2/en not_active Expired - Fee Related
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2006
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Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
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CN100339750C (zh) * | 2002-05-17 | 2007-09-26 | 三星电子株式会社 | 背后照明设备、其驱动方法、及配有该设备的液晶显示器 |
CN100392497C (zh) * | 2002-10-29 | 2008-06-04 | 夏普株式会社 | 液晶显示装置 |
CN102159879A (zh) * | 2007-07-20 | 2011-08-17 | 夏普株式会社 | 显示装置及显示装置的驱动方法 |
CN116721637A (zh) * | 2023-06-30 | 2023-09-08 | 惠科股份有限公司 | 背光模组及其驱动方法、显示装置 |
Also Published As
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KR100468559B1 (ko) | 2005-01-29 |
CN1693950A (zh) | 2005-11-09 |
US7138974B2 (en) | 2006-11-21 |
EP1198160B1 (en) | 2011-10-12 |
CN1904692A (zh) | 2007-01-31 |
TWI286630B (en) | 2007-09-11 |
EP1198160A3 (en) | 2008-11-12 |
KR20020029296A (ko) | 2002-04-18 |
US20020036608A1 (en) | 2002-03-28 |
CN100376940C (zh) | 2008-03-26 |
US7683899B2 (en) | 2010-03-23 |
JP2002123226A (ja) | 2002-04-26 |
US6636190B2 (en) | 2003-10-21 |
CN1201184C (zh) | 2005-05-11 |
US20070052664A1 (en) | 2007-03-08 |
US20040051692A1 (en) | 2004-03-18 |
EP1198160A2 (en) | 2002-04-17 |
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