JP2012523076A - 液晶ディスプレイ用のバックライト - Google Patents
液晶ディスプレイ用のバックライト Download PDFInfo
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- JP2012523076A JP2012523076A JP2012502825A JP2012502825A JP2012523076A JP 2012523076 A JP2012523076 A JP 2012523076A JP 2012502825 A JP2012502825 A JP 2012502825A JP 2012502825 A JP2012502825 A JP 2012502825A JP 2012523076 A JP2012523076 A JP 2012523076A
- Authority
- JP
- Japan
- Prior art keywords
- light source
- lighting module
- liquid crystal
- display panel
- crystal display
- 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.)
- Pending
Links
- 238000005286 illumination Methods 0.000 claims abstract description 29
- 239000004973 liquid crystal related substance Substances 0.000 claims abstract description 16
- 239000004065 semiconductor Substances 0.000 claims abstract description 10
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 12
- 238000006243 chemical reaction Methods 0.000 description 11
- 239000000463 material Substances 0.000 description 7
- 229910052782 aluminium Inorganic materials 0.000 description 4
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 4
- KFZMGEQAYNKOFK-UHFFFAOYSA-N Isopropanol Chemical compound CC(C)O KFZMGEQAYNKOFK-UHFFFAOYSA-N 0.000 description 3
- 230000003287 optical effect Effects 0.000 description 3
- 239000012788 optical film Substances 0.000 description 3
- 239000000758 substrate Substances 0.000 description 3
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- GYHNNYVSQQEPJS-UHFFFAOYSA-N Gallium Chemical compound [Ga] GYHNNYVSQQEPJS-UHFFFAOYSA-N 0.000 description 2
- 229910002056 binary alloy Inorganic materials 0.000 description 2
- 238000009792 diffusion process Methods 0.000 description 2
- 229910052733 gallium Inorganic materials 0.000 description 2
- 239000007789 gas Substances 0.000 description 2
- 229910052738 indium Inorganic materials 0.000 description 2
- APFVFJFRJDLVQX-UHFFFAOYSA-N indium atom Chemical compound [In] APFVFJFRJDLVQX-UHFFFAOYSA-N 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000000843 powder Substances 0.000 description 2
- 229910002059 quaternary alloy Inorganic materials 0.000 description 2
- 229910002058 ternary alloy Inorganic materials 0.000 description 2
- 102100032047 Alsin Human genes 0.000 description 1
- 101710187109 Alsin Proteins 0.000 description 1
- JBRZTFJDHDCESZ-UHFFFAOYSA-N AsGa Chemical compound [As]#[Ga] JBRZTFJDHDCESZ-UHFFFAOYSA-N 0.000 description 1
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 229910001218 Gallium arsenide Inorganic materials 0.000 description 1
- 229910004283 SiO 4 Inorganic materials 0.000 description 1
- 229910004122 SrSi Inorganic materials 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 230000003321 amplification Effects 0.000 description 1
- 229910052785 arsenic Inorganic materials 0.000 description 1
- RQNWIZPPADIBDY-UHFFFAOYSA-N arsenic atom Chemical compound [As] RQNWIZPPADIBDY-UHFFFAOYSA-N 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 238000005229 chemical vapour deposition Methods 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 239000002270 dispersing agent Substances 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 238000001652 electrophoretic deposition Methods 0.000 description 1
- 239000010408 film Substances 0.000 description 1
- 239000002223 garnet Substances 0.000 description 1
- 229910002804 graphite Inorganic materials 0.000 description 1
- 239000010439 graphite Substances 0.000 description 1
- 229910044991 metal oxide Inorganic materials 0.000 description 1
- 150000004706 metal oxides Chemical class 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000001451 molecular beam epitaxy Methods 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 238000003199 nucleic acid amplification method Methods 0.000 description 1
- 229910052698 phosphorus Inorganic materials 0.000 description 1
- 239000011574 phosphorus Substances 0.000 description 1
- 238000002310 reflectometry Methods 0.000 description 1
- 229910052594 sapphire Inorganic materials 0.000 description 1
- 239000010980 sapphire Substances 0.000 description 1
- 238000007650 screen-printing Methods 0.000 description 1
- HBMJWWWQQXIZIP-UHFFFAOYSA-N silicon carbide Chemical compound [Si+]#[C-] HBMJWWWQQXIZIP-UHFFFAOYSA-N 0.000 description 1
- 229910010271 silicon carbide Inorganic materials 0.000 description 1
- 238000001429 visible spectrum Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Images
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
- G02F1/1336—Illuminating devices
- G02F1/133602—Direct backlight
- G02F1/133605—Direct backlight including specially adapted reflectors
-
- 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
- G02F1/133601—Illuminating devices for spatial active dimming
-
- 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
- G02F1/133609—Direct backlight including means for improving the color mixing, e.g. white
-
- 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
- G02F1/133611—Direct backlight including means for improving the brightness uniformity
-
- 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
- G02F1/133614—Illuminating devices using photoluminescence, e.g. phosphors illuminated by UV or blue 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
- G02F1/133617—Illumination with ultraviolet light; Luminescent elements or materials associated to the cell
Abstract
Description
Claims (15)
- 複数の照明モジュール;及び
前記複数の照明モジュールの上に配置される液晶表示パネル
を有し、
各照明モジュールは:
光源;及び
一部が前記光源の上に配置される反射部材
を有する、構造。 - 前記光源は、前記照明モジュールの角又は縁に配置される、
請求項1に記載の構造。 - 前記光源は、少なくとも1つの半導体発光ダイオードを有する、
請求項1に記載の構造。 - 前記光源は、少なくとも1つの赤色半導体発光ダイオード、少なくとも1つの緑色半導体発光ダイオード、及び少なくとも1つの青色半導体発光ダイオードを有する、
請求項1に記載の構造。 - 当該構造における各照明モジュールは、サイズ及び形状が同じである、
請求項1に記載の構造。 - 第1の照明モジュールは、前記液晶表示パネルの中央付近に配置され;
第2の照明モジュールは、前記液晶表示パネルの端付近に配置され;且つ
前記第1の照明モジュールは、前記第2の照明モジュールよりも小さい面積を有する、
請求項1に記載の構造。 - 少なくとも1つの照明モジュールは略正方形であり、該正方形の辺は50から100ミリメートルの間である、
請求項1に記載の構造。 - 第1の照明モジュールの反射部材の一部は、第2の照明モジュールの一部と重なり合う、
請求項1に記載の構造。 - 各照明モジュールは、厚さが20ミリメートルよりも薄い、
請求項1に記載の構造。 - 前記反射部材は湾曲している、
請求項1に記載の構造。 - 前記反射部材は、第1の部分及び第2の部分を有し;
前記第1の部分は、前記第2の部分よりも正反射率が高く;
前記第2の部分は、前記第1の部分よりも拡散反射率が高く;且つ
前記第1の部分は、前記光源と前記第2の部分との間に配置される、
請求項1に記載の構造。 - 前記複数の照明モジュールから間隔をあけられた波長変換部材を更に有する、
請求項1に記載の構造。 - 前記液晶表示パネルの第1の部分は、第1の照明モジュールの上に整列され;
前記液晶表示パネルの第2の部分は、第2の照明モジュールの上に整列され;且つ
前記第1の照明モジュールは、該第1の照明モジュールの光源から発せられた光の一部が前記液晶表示パネルの前記第2の部分に入射するように、構成される、
請求項1に記載の構造。 - 前記複数の照明モジュールは、前記液晶表示パネルの前記第1の部分に入射する光の5から60パーセントが前記第1の照明モジュールの光源以外の他の光源から発せられるように、構成される、
請求項13に記載の構造。 - 前記複数の照明モジュールと前記液晶表示パネルとの間に配置される拡散器を更に有する、
請求項1に記載の構造。
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PCT/IB2009/051398 WO2010112979A1 (en) | 2009-04-02 | 2009-04-02 | Backlight for a liquid crystal display |
Publications (1)
Publication Number | Publication Date |
---|---|
JP2012523076A true JP2012523076A (ja) | 2012-09-27 |
Family
ID=40940479
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2012502825A Pending JP2012523076A (ja) | 2009-04-02 | 2009-04-02 | 液晶ディスプレイ用のバックライト |
Country Status (7)
Country | Link |
---|---|
EP (1) | EP2414889A1 (ja) |
JP (1) | JP2012523076A (ja) |
KR (1) | KR20120027200A (ja) |
CN (1) | CN102804041B (ja) |
BR (1) | BRPI0924006A2 (ja) |
RU (1) | RU2011144379A (ja) |
WO (1) | WO2010112979A1 (ja) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2968614B1 (fr) * | 2010-12-10 | 2015-05-15 | Magneti Marelli France | Dispositif de retroeclairage ameliore |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2006147398A (ja) * | 2004-11-22 | 2006-06-08 | Nippon Leiz Co Ltd | バックライトユニット |
JP2006228710A (ja) * | 2005-01-19 | 2006-08-31 | Nichia Chem Ind Ltd | 面発光装置 |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
ATE438882T1 (de) * | 2005-01-19 | 2009-08-15 | Nichia Corp | Oberflächenabstrahlende leuchteinrichtung |
TWI331694B (en) * | 2005-10-20 | 2010-10-11 | Ind Tech Res Inst | Back-lighted structure |
WO2008013072A1 (fr) * | 2006-07-25 | 2008-01-31 | Showa Denko K.K. | Dispositif émetteur de lumière et dispositif d'affichage l'utilisant |
US8421952B2 (en) * | 2007-12-03 | 2013-04-16 | Philips Lumileds Lighting Company, Llc | Illumination module for sectional illumination |
-
2009
- 2009-04-02 JP JP2012502825A patent/JP2012523076A/ja active Pending
- 2009-04-02 RU RU2011144379/28A patent/RU2011144379A/ru unknown
- 2009-04-02 EP EP09786356A patent/EP2414889A1/en not_active Withdrawn
- 2009-04-02 WO PCT/IB2009/051398 patent/WO2010112979A1/en active Application Filing
- 2009-04-02 KR KR1020117026041A patent/KR20120027200A/ko not_active Application Discontinuation
- 2009-04-02 BR BRPI0924006A patent/BRPI0924006A2/pt not_active IP Right Cessation
- 2009-04-02 CN CN200980159662.0A patent/CN102804041B/zh not_active Expired - Fee Related
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2006147398A (ja) * | 2004-11-22 | 2006-06-08 | Nippon Leiz Co Ltd | バックライトユニット |
JP2006228710A (ja) * | 2005-01-19 | 2006-08-31 | Nichia Chem Ind Ltd | 面発光装置 |
Also Published As
Publication number | Publication date |
---|---|
EP2414889A1 (en) | 2012-02-08 |
RU2011144379A (ru) | 2013-05-10 |
BRPI0924006A2 (pt) | 2016-01-26 |
WO2010112979A1 (en) | 2010-10-07 |
CN102804041B (zh) | 2015-06-17 |
KR20120027200A (ko) | 2012-03-21 |
CN102804041A (zh) | 2012-11-28 |
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