TWI366806B - Surface light source using led and backlight unit having the surface light source - Google Patents
Surface light source using led and backlight unit having the surface light sourceInfo
- Publication number
- TWI366806B TWI366806B TW095125433A TW95125433A TWI366806B TW I366806 B TWI366806 B TW I366806B TW 095125433 A TW095125433 A TW 095125433A TW 95125433 A TW95125433 A TW 95125433A TW I366806 B TWI366806 B TW I366806B
- Authority
- TW
- Taiwan
- Prior art keywords
- light source
- surface light
- led
- backlight unit
- backlight
- Prior art date
Links
Classifications
-
- 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
-
- 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
- G09G3/3413—Details of control of colour illumination sources
-
- 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
- G09G3/3426—Control of illumination source using several illumination sources separately controlled corresponding to different display panel areas, e.g. along one dimension such as lines the different display panel areas being distributed in two dimensions, e.g. matrix
-
- 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
- H05B45/00—Circuit arrangements for operating light-emitting diodes [LED]
-
- 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
- H05B45/00—Circuit arrangements for operating light-emitting diodes [LED]
- H05B45/20—Controlling the colour of the light
-
- 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
- G02F1/133603—Direct backlight with LEDs
-
- 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
- G02F1/133613—Direct backlight characterized by the sequence of light sources
-
- 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
- G02F2201/00—Constructional arrangements not provided for in groups G02F1/00 - G02F7/00
- G02F2201/52—RGB geometrical arrangements
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020050064204A KR100691191B1 (ko) | 2005-07-15 | 2005-07-15 | Led를 이용한 면광원 및 이를 구비하는 lcd 백라이트유닛 |
Publications (2)
Publication Number | Publication Date |
---|---|
TW200710782A TW200710782A (en) | 2007-03-16 |
TWI366806B true TWI366806B (en) | 2012-06-21 |
Family
ID=37609170
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
TW095125433A TWI366806B (en) | 2005-07-15 | 2006-07-12 | Surface light source using led and backlight unit having the surface light source |
Country Status (6)
Country | Link |
---|---|
US (1) | US7830356B2 (zh) |
JP (1) | JP4971706B2 (zh) |
KR (1) | KR100691191B1 (zh) |
CN (2) | CN1896586B (zh) |
NL (1) | NL2000141C2 (zh) |
TW (1) | TWI366806B (zh) |
Families Citing this family (66)
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KR100582713B1 (ko) * | 2003-11-12 | 2006-05-22 | 세종종합건설 주식회사 | 맨홀 등과 관체의 일체 타설용 거푸집 및 그 타설방법 |
US7012382B2 (en) * | 2004-04-30 | 2006-03-14 | Tak Meng Cheang | Light emitting diode based light system with a redundant light source |
CN100337150C (zh) * | 2004-05-26 | 2007-09-12 | 友达光电股份有限公司 | 具有色度感测功能的液晶显示器 |
KR20060000544A (ko) * | 2004-06-29 | 2006-01-06 | 삼성전자주식회사 | 표시 장치용 백라이트, 표시 장치용 광원, 광원용 발광다이오드 |
CN1624574A (zh) * | 2004-11-18 | 2005-06-08 | 成都泰阳视讯技术有限公司 | 采用led光源灯的单片液晶投影光学引擎及其投影装置 |
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KR100780198B1 (ko) * | 2005-07-11 | 2007-11-27 | 삼성전기주식회사 | 색 얼룩 특성이 개선된 led 면 광원 및 이를 구비하는lcd 백라이트 유닛 |
TW200719026A (en) * | 2005-11-10 | 2007-05-16 | Chi Lin Technology Co Ltd | LED array |
US20070200121A1 (en) * | 2006-02-24 | 2007-08-30 | Lumileds Lighting U.S., Llc | Multi-colored LED array with improved color uniformity |
US20070236447A1 (en) * | 2006-04-07 | 2007-10-11 | Samsung Electro-Mechanics Co., Ltd. | Backlight unit using light emitting diode |
KR100875961B1 (ko) * | 2007-11-29 | 2008-12-26 | 삼성전기주식회사 | 발광 다이오드를 이용한 어레이 광원 및 이를 포함하는백라이트 유닛 |
-
2005
- 2005-07-15 KR KR1020050064204A patent/KR100691191B1/ko active IP Right Grant
-
2006
- 2006-07-12 NL NL2000141A patent/NL2000141C2/nl active Search and Examination
- 2006-07-12 TW TW095125433A patent/TWI366806B/zh active
- 2006-07-13 JP JP2006193127A patent/JP4971706B2/ja active Active
- 2006-07-13 US US11/485,426 patent/US7830356B2/en not_active Expired - Fee Related
- 2006-07-14 CN CN2006100987682A patent/CN1896586B/zh active Active
- 2006-07-14 CN CN2011100927127A patent/CN102252225B/zh active Active
Also Published As
Publication number | Publication date |
---|---|
CN1896586B (zh) | 2011-06-15 |
JP4971706B2 (ja) | 2012-07-11 |
NL2000141C2 (nl) | 2011-09-13 |
NL2000141A1 (nl) | 2007-01-16 |
TW200710782A (en) | 2007-03-16 |
US7830356B2 (en) | 2010-11-09 |
KR100691191B1 (ko) | 2007-03-09 |
CN102252225A (zh) | 2011-11-23 |
US20070013647A1 (en) | 2007-01-18 |
KR20070009149A (ko) | 2007-01-18 |
CN1896586A (zh) | 2007-01-17 |
CN102252225B (zh) | 2013-05-29 |
JP2007027745A (ja) | 2007-02-01 |
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