CN101788116A - 背光灯单元及使用着该背光灯单元的液晶显示装置 - Google Patents
背光灯单元及使用着该背光灯单元的液晶显示装置 Download PDFInfo
- Publication number
- CN101788116A CN101788116A CN201010004304A CN201010004304A CN101788116A CN 101788116 A CN101788116 A CN 101788116A CN 201010004304 A CN201010004304 A CN 201010004304A CN 201010004304 A CN201010004304 A CN 201010004304A CN 101788116 A CN101788116 A CN 101788116A
- Authority
- CN
- China
- Prior art keywords
- light
- lgp
- liquid crystal
- light source
- crystal panel
- 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.)
- Granted
Links
- 239000004973 liquid crystal related substance Substances 0.000 title claims abstract description 89
- 238000009792 diffusion process Methods 0.000 claims description 56
- 230000000149 penetrating effect Effects 0.000 claims 3
- 230000003287 optical effect Effects 0.000 abstract description 16
- 238000009826 distribution Methods 0.000 description 17
- 230000000694 effects Effects 0.000 description 11
- 239000004412 Bulk moulding compound Substances 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 5
- 238000002474 experimental method Methods 0.000 description 5
- 238000007323 disproportionation reaction Methods 0.000 description 4
- 238000000465 moulding Methods 0.000 description 4
- 229920003229 poly(methyl methacrylate) Polymers 0.000 description 4
- 239000004926 polymethyl methacrylate Substances 0.000 description 4
- PNEYBMLMFCGWSK-UHFFFAOYSA-N Alumina Chemical compound [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 3
- 239000004411 aluminium Substances 0.000 description 3
- 229910052782 aluminium Inorganic materials 0.000 description 3
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 3
- 230000015572 biosynthetic process Effects 0.000 description 3
- 230000006870 function Effects 0.000 description 3
- 230000001678 irradiating effect Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 239000000203 mixture Substances 0.000 description 3
- 238000012545 processing Methods 0.000 description 3
- 239000000758 substrate Substances 0.000 description 3
- PEDCQBHIVMGVHV-UHFFFAOYSA-N Glycerine Chemical compound OCC(O)CO PEDCQBHIVMGVHV-UHFFFAOYSA-N 0.000 description 2
- -1 aluminium Chemical class 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 239000004020 conductor Substances 0.000 description 2
- 238000009795 derivation Methods 0.000 description 2
- 238000004512 die casting Methods 0.000 description 2
- 239000011521 glass Substances 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000008447 perception Effects 0.000 description 2
- 239000011295 pitch Substances 0.000 description 2
- 150000003071 polychlorinated biphenyls Chemical class 0.000 description 2
- 238000007639 printing Methods 0.000 description 2
- QQONPFPTGQHPMA-UHFFFAOYSA-N propylene Natural products CC=C QQONPFPTGQHPMA-UHFFFAOYSA-N 0.000 description 2
- 125000004805 propylene group Chemical group [H]C([H])([H])C([H])([*:1])C([H])([H])[*:2] 0.000 description 2
- 238000012797 qualification Methods 0.000 description 2
- 238000002310 reflectometry Methods 0.000 description 2
- 239000010703 silicon Substances 0.000 description 2
- 229910052710 silicon Inorganic materials 0.000 description 2
- 238000012935 Averaging Methods 0.000 description 1
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 description 1
- 101100007332 Saccharomyces cerevisiae (strain ATCC 204508 / S288c) COS4 gene Proteins 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 229910001069 Ti alloy Inorganic materials 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 238000012937 correction Methods 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 230000003760 hair shine Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000005286 illumination Methods 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 239000011777 magnesium Substances 0.000 description 1
- 229910052749 magnesium Inorganic materials 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 239000004417 polycarbonate Substances 0.000 description 1
- 229920000515 polycarbonate Polymers 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000004080 punching Methods 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- 238000003892 spreading Methods 0.000 description 1
- 230000007480 spreading Effects 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 238000005728 strengthening Methods 0.000 description 1
- 239000012780 transparent material Substances 0.000 description 1
Images
Classifications
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/0001—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems
- G02B6/0011—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems the light guides being planar or of plate-like form
- G02B6/0066—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems the light guides being planar or of plate-like form characterised by the light source being coupled to the light guide
- G02B6/0068—Arrangements of plural sources, e.g. multi-colour light sources
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/0001—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems
- G02B6/0011—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems the light guides being planar or of plate-like form
- G02B6/0075—Arrangements of multiple light guides
- G02B6/0078—Side-by-side arrangements, e.g. for large area displays
- G02B6/008—Side-by-side arrangements, e.g. for large area displays of the partially overlapping type
-
- 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
- G02F1/133615—Edge-illuminating devices, i.e. illuminating from the side
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/0001—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems
- G02B6/0011—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems the light guides being planar or of plate-like form
- G02B6/0013—Means for improving the coupling-in of light from the light source into the light guide
- G02B6/0015—Means for improving the coupling-in of light from the light source into the light guide provided on the surface of the light guide or in the bulk of it
- G02B6/0018—Redirecting means on the surface of the light guide
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Nonlinear Science (AREA)
- Mathematical Physics (AREA)
- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Planar Illumination Modules (AREA)
- Liquid Crystal (AREA)
Abstract
Description
Claims (8)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2009011520 | 2009-01-22 | ||
JP2009-011520 | 2009-01-22 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN101788116A true CN101788116A (zh) | 2010-07-28 |
CN101788116B CN101788116B (zh) | 2012-11-28 |
Family
ID=42336693
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN2010100043047A Active CN101788116B (zh) | 2009-01-22 | 2010-01-20 | 背光灯单元及使用着该背光灯单元的液晶显示装置 |
Country Status (3)
Country | Link |
---|---|
US (2) | US8115890B2 (zh) |
JP (1) | JP5656412B2 (zh) |
CN (1) | CN101788116B (zh) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102011989A (zh) * | 2011-01-13 | 2011-04-13 | 上海向隆电子科技有限公司 | 背光模块及液晶显示装置 |
CN102252221A (zh) * | 2010-05-18 | 2011-11-23 | 日立民用电子株式会社 | 照明装置 |
CN102878477A (zh) * | 2011-07-15 | 2013-01-16 | Lg伊诺特有限公司 | 背光单元和使用该背光单元的显示设备 |
Families Citing this family (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7961271B2 (en) * | 2007-02-27 | 2011-06-14 | Seiko Instruments Inc. | Lighting device and display device provided with the same |
WO2010047164A1 (ja) * | 2008-10-22 | 2010-04-29 | シャープ株式会社 | 照明装置、表示装置およびテレビ受信装置 |
KR20100054209A (ko) * | 2008-11-14 | 2010-05-25 | 엘지이노텍 주식회사 | 액정표시장치 및 도광판의 제조방법 |
CN102004355A (zh) * | 2009-08-31 | 2011-04-06 | 日立民用电子株式会社 | 液晶显示装置 |
JP5401247B2 (ja) * | 2009-10-02 | 2014-01-29 | 日立コンシューマエレクトロニクス株式会社 | バックライトユニットおよびそれを用いた映像表示装置 |
WO2012169440A1 (ja) * | 2011-06-09 | 2012-12-13 | シャープ株式会社 | 照明装置、表示装置及びテレビ受信装置 |
JP5894278B2 (ja) * | 2011-09-09 | 2016-03-23 | エルジー イノテック カンパニー リミテッド | 大面積基板の厚膜製造方法及びこれによる厚膜構造、照明装置及びこれを含む液晶表示装置 |
KR20130048915A (ko) * | 2011-11-03 | 2013-05-13 | 엘지전자 주식회사 | 이동 단말기 |
KR102073685B1 (ko) * | 2013-09-06 | 2020-02-06 | 삼성디스플레이 주식회사 | 액정 표시 장치 |
JP6798266B2 (ja) * | 2016-11-15 | 2020-12-09 | 日本精機株式会社 | 表示装置 |
JP6498258B1 (ja) * | 2017-11-17 | 2019-04-10 | ミネベアミツミ株式会社 | 面状照明装置 |
Family Cites Families (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP3373427B2 (ja) | 1998-03-31 | 2003-02-04 | 日東樹脂工業株式会社 | タンデム型面光源装置 |
JP4262368B2 (ja) * | 1999-09-22 | 2009-05-13 | 株式会社日立製作所 | 照明装置、及びこれを用いた表示装置 |
JP2004206916A (ja) * | 2002-12-24 | 2004-07-22 | Yoshihiro Sakai | 面状光源 |
JP2006108033A (ja) * | 2004-10-08 | 2006-04-20 | Mitsubishi Rayon Co Ltd | タンデム型面光源装置 |
JP2006134748A (ja) * | 2004-11-08 | 2006-05-25 | Mitsubishi Rayon Co Ltd | タンデム型面光源装置 |
KR100699266B1 (ko) | 2005-09-09 | 2007-03-27 | 삼성전자주식회사 | 백라이트 유닛과 이를 포함하는 표시장치 |
KR100780205B1 (ko) | 2006-04-21 | 2007-11-27 | 삼성전기주식회사 | 액정표시장치용 백라이트 유닛 |
JP2008103162A (ja) | 2006-10-18 | 2008-05-01 | Nichia Chem Ind Ltd | サイドライト型面光源装置 |
JP2008103200A (ja) | 2006-10-19 | 2008-05-01 | Harison Toshiba Lighting Corp | バックライト装置及びバックライト装置の駆動方法 |
JP2008192395A (ja) * | 2007-02-02 | 2008-08-21 | Seiko Instruments Inc | 照明装置及び液晶表示装置 |
US7961271B2 (en) | 2007-02-27 | 2011-06-14 | Seiko Instruments Inc. | Lighting device and display device provided with the same |
JP2008243808A (ja) * | 2007-02-27 | 2008-10-09 | Seiko Instruments Inc | 照明装置及び表示装置 |
KR100982980B1 (ko) * | 2007-05-15 | 2010-09-17 | 삼성엘이디 주식회사 | 면 광원 장치 및 이를 구비하는 lcd 백라이트 유닛 |
KR101441308B1 (ko) | 2008-01-16 | 2014-11-03 | 삼성디스플레이 주식회사 | 액정 표시 장치 |
JP2010021131A (ja) * | 2008-06-09 | 2010-01-28 | Hitachi Ltd | 表示装置及びそれに用いられるバックライトユニット |
-
2010
- 2010-01-08 US US12/684,877 patent/US8115890B2/en active Active
- 2010-01-20 CN CN2010100043047A patent/CN101788116B/zh active Active
- 2010-01-22 JP JP2010011583A patent/JP5656412B2/ja active Active
-
2012
- 2012-01-19 US US13/353,520 patent/US8284351B2/en active Active
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102252221A (zh) * | 2010-05-18 | 2011-11-23 | 日立民用电子株式会社 | 照明装置 |
CN102011989A (zh) * | 2011-01-13 | 2011-04-13 | 上海向隆电子科技有限公司 | 背光模块及液晶显示装置 |
CN102878477A (zh) * | 2011-07-15 | 2013-01-16 | Lg伊诺特有限公司 | 背光单元和使用该背光单元的显示设备 |
CN102878477B (zh) * | 2011-07-15 | 2017-05-31 | Lg伊诺特有限公司 | 背光单元和使用该背光单元的显示设备 |
Also Published As
Publication number | Publication date |
---|---|
US20100182541A1 (en) | 2010-07-22 |
US8115890B2 (en) | 2012-02-14 |
CN101788116B (zh) | 2012-11-28 |
US8284351B2 (en) | 2012-10-09 |
JP5656412B2 (ja) | 2015-01-21 |
US20120113359A1 (en) | 2012-05-10 |
JP2010192433A (ja) | 2010-09-02 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN101788116B (zh) | 背光灯单元及使用着该背光灯单元的液晶显示装置 | |
CN101097349B (zh) | 背光组件及采用其的液晶显示器件 | |
CN100514154C (zh) | 发光二极管背光单元以及具有该背光单元的液晶显示器件 | |
JP5667888B2 (ja) | バックライトユニット及びこれを用いた映像表示装置 | |
US20100110339A1 (en) | Light emitting element and liquid crystal display device | |
CN102016390A (zh) | 照明装置、显示装置和导光板 | |
CN102213385B (zh) | 图像显示装置以及用于该图像显示装置的背光装置 | |
US8350986B2 (en) | Backlight unit and video display apparatus applying the same therein | |
CN101101350A (zh) | 光导部件、包含光导部件的背光单元及制造光导部件和背光单元的方法 | |
JP2013012422A (ja) | バックライト装置及びこれを用いた液晶表示装置 | |
EP2461205A2 (en) | Backlight device and image display using the same | |
CN103375740A (zh) | 照明装置以及使用它的液晶显示装置 | |
US20050129357A1 (en) | Light guide apparatus for enhancing light source utilization efficiency | |
US20050200773A1 (en) | Backlight module and liquid crystal display device | |
JP5259731B2 (ja) | 照明装置、表示装置およびテレビ受信装置 | |
CN102954369A (zh) | 照明单元和使用该照明单元的显示装置 | |
CN100405154C (zh) | 背光模组 | |
JP2005197072A (ja) | 平面光源装置 | |
JP2008282688A (ja) | 平面発光装置 | |
US8469574B2 (en) | Optical component, backlight module and display apparatus using same | |
CN214503946U (zh) | 导光板及光源模块 | |
JP2011237484A (ja) | 液晶モジュール | |
US20060083027A1 (en) | Double side backlight module | |
KR100634554B1 (ko) | 백라이트 유닛 | |
KR102053438B1 (ko) | 백라이트 유닛 및 그 제조방법, 이를 포함하는 액정표시장치 |
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: HITACHI MAXELL LTD. Free format text: FORMER OWNER: HITACHI LTD. Effective date: 20150303 |
|
C41 | Transfer of patent application or patent right or utility model | ||
TR01 | Transfer of patent right |
Effective date of registration: 20150303 Address after: Osaka Japan Patentee after: Hitachi Maxell, Ltd. Address before: Tokyo, Japan Patentee before: Hitachi Consumer Electronics Co.,Ltd. |
|
TR01 | Transfer of patent right |
Effective date of registration: 20180301 Address after: Kyoto Japan Patentee after: MAXELL, Ltd. Address before: Osaka Japan Patentee before: Hitachi Maxell, Ltd. |
|
TR01 | Transfer of patent right | ||
CP01 | Change in the name or title of a patent holder |
Address after: Kyoto Japan Patentee after: MAXELL, Ltd. Address before: Kyoto Japan Patentee before: MAXELL HOLDINGS, Ltd. |
|
CP01 | Change in the name or title of a patent holder | ||
TR01 | Transfer of patent right |
Effective date of registration: 20220527 Address after: Kyoto Japan Patentee after: MAXELL HOLDINGS, Ltd. Address before: Kyoto Japan Patentee before: MAXELL, Ltd. |
|
TR01 | Transfer of patent right |