CN102486277A - 背光源单元和使用它的影像显示装置 - Google Patents
背光源单元和使用它的影像显示装置 Download PDFInfo
- Publication number
- CN102486277A CN102486277A CN2011103820070A CN201110382007A CN102486277A CN 102486277 A CN102486277 A CN 102486277A CN 2011103820070 A CN2011103820070 A CN 2011103820070A CN 201110382007 A CN201110382007 A CN 201110382007A CN 102486277 A CN102486277 A CN 102486277A
- Authority
- CN
- China
- Prior art keywords
- light
- liquid crystal
- crystal panel
- lgp
- backlight unit
- 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
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
- G02B6/0013—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
- G02B6/002—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 by shaping at least a portion of the light guide, e.g. with collimating, focussing or diverging surfaces
- G02B6/0021—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 by shaping at least a portion of the light guide, e.g. with collimating, focussing or diverging surfaces for housing at least a part of the light source, e.g. by forming holes or recesses
-
- 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
-
- 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
- G02F1/133605—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
- G02F1/133602—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
- G02F1/133615—Edge-illuminating devices, i.e. illuminating from the side
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 (13)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2010-269881 | 2010-12-03 | ||
| JP2010269881A JP5533611B2 (ja) | 2010-12-03 | 2010-12-03 | バックライトユニット及びこれを用いた映像表示装置 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102486277A true CN102486277A (zh) | 2012-06-06 |
| CN102486277B CN102486277B (zh) | 2014-10-29 |
Family
ID=45065594
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011204767921U Expired - Lifetime CN202361194U (zh) | 2010-12-03 | 2011-11-25 | 背光源单元和使用它的影像显示装置 |
| CN201110382007.0A Active CN102486277B (zh) | 2010-12-03 | 2011-11-25 | 背光源单元和使用它的影像显示装置 |
Family Applications Before (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011204767921U Expired - Lifetime CN202361194U (zh) | 2010-12-03 | 2011-11-25 | 背光源单元和使用它的影像显示装置 |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US8740441B2 (zh) |
| EP (1) | EP2461091B1 (zh) |
| JP (1) | JP5533611B2 (zh) |
| CN (2) | CN202361194U (zh) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116360152A (zh) * | 2021-12-27 | 2023-06-30 | 夏普显示科技株式会社 | 液晶显示元件 |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP5533611B2 (ja) * | 2010-12-03 | 2014-06-25 | 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及びこれを用いた映像表示装置 |
| RU2532024C1 (ru) * | 2013-07-12 | 2014-10-27 | Эдуард Валентинович Агаев | Устройство выделенной подсветки поверхности |
| KR102404722B1 (ko) * | 2015-02-02 | 2022-06-02 | 삼성디스플레이 주식회사 | 액정 표시 장치 |
| JP2019021488A (ja) | 2017-07-14 | 2019-02-07 | 株式会社ジャパンディスプレイ | 照明装置および液晶表示装置 |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20070064440A1 (en) * | 2005-09-21 | 2007-03-22 | Hon Hai Precision Industry Co., Ltd. | Light guide device and backlight module using the same |
| WO2010004801A1 (ja) * | 2008-07-07 | 2010-01-14 | シャープ株式会社 | 照明装置および液晶表示装置 |
| WO2010038519A1 (ja) * | 2008-09-30 | 2010-04-08 | 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 |
| CN202361194U (zh) * | 2010-12-03 | 2012-08-01 | 日立民用电子株式会社 | 背光源单元和使用它的影像显示装置 |
Family Cites Families (18)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003021727A (ja) * | 2001-07-10 | 2003-01-24 | Yuka Denshi Co Ltd | 導光体及びこれを用いた面光源装置と液晶ディスプレイ装置 |
| ATE521002T1 (de) * | 2002-04-25 | 2011-09-15 | Koninkl Philips Electronics Nv | Kompaktes beleuchtungssystem und anzeigeeinrichtung |
| JP4206874B2 (ja) | 2002-09-09 | 2009-01-14 | 日亜化学工業株式会社 | 面状発光装置 |
| JP4182783B2 (ja) * | 2003-03-14 | 2008-11-19 | 豊田合成株式会社 | Ledパッケージ |
| JP4590283B2 (ja) * | 2004-05-21 | 2010-12-01 | シャープ株式会社 | バックライトユニット及びそれを備えた液晶表示装置 |
| JP2007227286A (ja) * | 2006-02-27 | 2007-09-06 | Seiko Instruments Inc | 照明装置、及びこれを用いた表示装置 |
| KR100780205B1 (ko) | 2006-04-21 | 2007-11-27 | 삼성전기주식회사 | 액정표시장치용 백라이트 유닛 |
| JP4637803B2 (ja) * | 2006-05-12 | 2011-02-23 | シャープ株式会社 | 導光板およびそれを備えた面状発光装置 |
| JP4695626B2 (ja) | 2006-06-30 | 2011-06-08 | 株式会社東芝 | 照明装置及び液晶表示装置 |
| WO2008126023A2 (en) * | 2007-04-16 | 2008-10-23 | Koninklijke Philips Electronics N.V. | Optical arrangement |
| US7845826B2 (en) * | 2008-01-15 | 2010-12-07 | Skc Haas Display Films Co., Ltd. | Multilayered integrated backlight illumination assembly |
| KR100941866B1 (ko) * | 2008-01-17 | 2010-02-11 | 삼성모바일디스플레이주식회사 | 듀얼 액정표시장치 |
| KR101587558B1 (ko) * | 2008-02-07 | 2016-01-21 | 소니 주식회사 | 도광판, 면 발광장치, 액정표시장치 및 도광판의 제조방법 |
| KR101268960B1 (ko) * | 2008-02-22 | 2013-05-29 | 엘지디스플레이 주식회사 | 백라이트 유닛 |
| DE102009022662A1 (de) | 2008-05-26 | 2010-01-14 | Citizen Electronics Co., Ltd., Fujiyoshida-shi | Planare licht-emittierende Anordnung und Flüssigkristall-Anzeigevorrichtung |
| JP2009283419A (ja) * | 2008-05-26 | 2009-12-03 | Citizen Electronics Co Ltd | 面状光源及び液晶表示装置 |
| 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 |
| JP5174685B2 (ja) * | 2009-01-05 | 2013-04-03 | 三菱電機株式会社 | 面状光源装置およびこれを用いた表示装置 |
-
2010
- 2010-12-03 JP JP2010269881A patent/JP5533611B2/ja active Active
-
2011
- 2011-11-22 EP EP11009238.4A patent/EP2461091B1/en active Active
- 2011-11-22 US US13/301,832 patent/US8740441B2/en active Active
- 2011-11-25 CN CN2011204767921U patent/CN202361194U/zh not_active Expired - Lifetime
- 2011-11-25 CN CN201110382007.0A patent/CN102486277B/zh active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20070064440A1 (en) * | 2005-09-21 | 2007-03-22 | Hon Hai Precision Industry Co., Ltd. | Light guide device and backlight module using the same |
| WO2010004801A1 (ja) * | 2008-07-07 | 2010-01-14 | シャープ株式会社 | 照明装置および液晶表示装置 |
| WO2010038519A1 (ja) * | 2008-09-30 | 2010-04-08 | 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 |
| CN202361194U (zh) * | 2010-12-03 | 2012-08-01 | 日立民用电子株式会社 | 背光源单元和使用它的影像显示装置 |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116360152A (zh) * | 2021-12-27 | 2023-06-30 | 夏普显示科技株式会社 | 液晶显示元件 |
Also Published As
| Publication number | Publication date |
|---|---|
| CN202361194U (zh) | 2012-08-01 |
| EP2461091B1 (en) | 2023-04-19 |
| JP2012119247A (ja) | 2012-06-21 |
| CN102486277B (zh) | 2014-10-29 |
| US20120140447A1 (en) | 2012-06-07 |
| EP2461091A2 (en) | 2012-06-06 |
| US8740441B2 (en) | 2014-06-03 |
| EP2461091A3 (en) | 2012-08-29 |
| JP5533611B2 (ja) | 2014-06-25 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| KR100574206B1 (ko) | 조명 장치 및 액정 표시 장치 | |
| KR101290584B1 (ko) | 직하형 백라이트 유닛 및 직하형 백라이트 유닛에서의확산판 제조방법 | |
| JP5299771B2 (ja) | 面発光装置 | |
| KR101047754B1 (ko) | 측면 조광형 백라이트 장치 | |
| KR20050112721A (ko) | Led 패키지 및 이를 구비한 액정표시장치용 백라이트어셈블리 | |
| JP2010021131A (ja) | 表示装置及びそれに用いられるバックライトユニット | |
| JP2011009208A (ja) | バックライト装置、導光板、及びこれを適用したディスプレイ装置 | |
| CN101295036A (zh) | 背光模组及其光学板 | |
| KR101481677B1 (ko) | 백 라이트 유닛과 이를 포함하는 액정표시장치 및 백라이트 유닛의 제조방법 | |
| CN102563457A (zh) | 背光装置以及使用了该背光装置的影像显示装置 | |
| CN102486277A (zh) | 背光源单元和使用它的影像显示装置 | |
| WO2013061866A1 (ja) | 照明装置およびそれを備えた表示装置 | |
| JP2008262766A (ja) | 導光板、面光源装置及び液晶表示装置 | |
| JP2012164421A (ja) | 面光源素子及びそれを備えた表示装置 | |
| JP2005228535A (ja) | 面状光源装置及び液晶表示装置 | |
| CN101290372A (zh) | 背光模组及其光学板 | |
| US20120275188A1 (en) | Light source module and electronic apparatus provided with same | |
| JPWO2010061682A1 (ja) | 照明装置、表示装置およびテレビ受信装置 | |
| KR101472338B1 (ko) | 백라이트 장치 | |
| JP2007080800A (ja) | バックライトユニットの導光板 | |
| JP4288834B2 (ja) | 液晶表示装置用バックライトおよび液晶表示装置 | |
| KR101985148B1 (ko) | 휘도 및 휘도의 균일도를 향상시킨 직하형 면광원 장치 | |
| KR100968845B1 (ko) | 도광판을 포함하는 백라이트 유닛 | |
| KR100981276B1 (ko) | 도광판을 포함하는 백라이트 유닛 | |
| KR20200134770A (ko) | 복합패턴이 형성된 도광판 |
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 | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20180302 Address after: Kyoto Japan Patentee after: MAXELL, Ltd. Address before: Osaka Japan Patentee before: Hitachi Maxell, Ltd. |
|
| CP01 | Change in the name or title of a patent holder | ||
| 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. |
|
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20220530 Address after: Kyoto Japan Patentee after: MAXELL HOLDINGS, Ltd. Address before: Kyoto Japan Patentee before: MAXELL, Ltd. |