JP2015513760A - 液晶ディスプレイ用新形バックライトモジュール - Google Patents
液晶ディスプレイ用新形バックライトモジュール Download PDFInfo
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- JP2015513760A JP2015513760A JP2014555910A JP2014555910A JP2015513760A JP 2015513760 A JP2015513760 A JP 2015513760A JP 2014555910 A JP2014555910 A JP 2014555910A JP 2014555910 A JP2014555910 A JP 2014555910A JP 2015513760 A JP2015513760 A JP 2015513760A
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- light
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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
- G02F1/133615—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
- G02B6/0033—Means for improving the coupling-out of light from the light guide
- G02B6/0035—Means for improving the coupling-out of light from the light guide provided on the surface of the light guide or in the bulk of it
- G02B6/0045—Means for improving the coupling-out of light from 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
- G02B6/0046—Tapered light guide, e.g. wedge-shaped light guide
-
- 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
- G02B6/0033—Means for improving the coupling-out of light from the light guide
- G02B6/005—Means for improving the coupling-out of light from the light guide provided by one optical element, or plurality thereof, placed on the light output side of the light guide
- G02B6/0053—Prismatic sheet or layer; Brightness enhancement element, sheet or layer
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B5/00—Optical elements other than lenses
- G02B5/04—Prisms
- G02B5/045—Prism arrays
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B5/00—Optical elements other than lenses
- G02B5/08—Mirrors
- G02B5/0808—Mirrors having a single reflecting layer
-
- 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
- G02B6/0033—Means for improving the coupling-out of light from the light guide
- G02B6/005—Means for improving the coupling-out of light from the light guide provided by one optical element, or plurality thereof, placed on the light output side of the light guide
- G02B6/0055—Reflecting element, sheet or layer
-
- 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
- G02B6/0033—Means for improving the coupling-out of light from the light guide
- G02B6/0063—Means for improving the coupling-out of light from the light guide for extracting light out both the major surfaces of the light guide
-
- 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
- G02F1/133606—Direct backlight including a specially adapted diffusing, scattering or light controlling members
- G02F1/133607—Direct backlight including a specially adapted diffusing, scattering or light controlling members the light controlling member including light directing or refracting elements, e.g. prisms or lenses
-
- 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
- G02F1/133616—Front illuminating devices
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)
- Optical Elements Other Than Lenses (AREA)
- Planar Illumination Modules (AREA)
- Liquid Crystal (AREA)
Abstract
Description
n1sinθ1=n2sinθ2
式の中、
n1:媒質1の屈折率
θ1:入射角
n2:媒質2の屈折率
θ2:屈折角
Claims (10)
- 順序に液晶スクリーンの前に設置された光源、ライトビームを発生させるための三角形のくさび形部品、反射コンポーネント及び偏わい視準コンポーネントを含み、前記の三角形のくさび形部品がライトイン面No.1、ライトアウト面No.1及びライトアウト面No.2を含み、前記のライトアウト面No.1及びライトアウト面No.2の間の角が5°を超えなく、前記のライトイン面No.1が前記の光源と向き合い、前記の反射コンポーネントが前記のライトアウト面No.1側に設置されていて、前記のライトアウト面No.1からの光線を前記の三角形のくさび形部品に反射するためのものであり、前記の偏わい視準コンポーネントが前記のライトアウト面No.2と前記の液晶スクリーンとの間に設置されていて、前記のライトアウト面No.2からの平行ライトビームを前記の液晶スクリーン表面と垂直にする光線に屈折するためのものであることを特徴とする液晶ディスプレイ用新形バックライトモジュール。
- 前記の偏わい視準コンポーネント複数の並行して排列された平行四辺形のプリズムからなる偏わいプリズムユニット及び視準プリズムを含み、前記の偏わいプリズムユニット1次元方向で平行四辺形の陣列となり、前記の平行四辺形のプリズムの鋭角が少なくとも45°であり、前記の平行四辺形のプリズムがライトイン面No.2及びライトアウト面No.3を含み、前記のライトイン面No.2が前記のライトアウト面No.2と平行し、前記の平行四辺形のプリズムと前記のライトイン面No.2と隣り合う鋭角が前記のライトイン面No.1側にあり、鈍角が前記のライトアウト面No.1と前記のライトアウト面No.2との交差点に近く、前記の視準プリズムがライトイン面No.3及びライトアウト面No.4を含み、前記のライトイン面No.3が前記のライトアウト面No.3と平行し、前記のライトアウト面No.4が並列する複数の鋸の歯からなり、1次元方向で対称しない鋸の歯形であり、前記の鋸の歯の斜面と前記のライトイン面No.3との角が10°を超えないことを特徴とする請求項1に記載の液晶ディスプレイ用バックライトモジュール。
- 前記の偏わいプリズムユニットと前記の視準プリズムが偏わい視準プリズムに結び合わせ、前記のライトイン面No.3が前記のライトアウト面No.3と重なり合うことを特徴とする請求項2に記載の液晶ディスプレイ用バックライトモジュール。
- 前記の偏わい視準コンポーネント複数の並行して排列された平行四辺形のプリズムからなる偏わいプリズムユニット及び視準プリズムを含み、前記の偏わいプリズムユニット1次元方向で平行四辺形の陣列となり、前記の平行四辺形のプリズムの鋭角が少なくとも45°であり、前記の平行四辺形のプリズムがライトイン面No.2及びライトアウト面No.3を含み、前記のライトイン面No.2が前記のライトアウト面No.2と平行し、前記の平行四辺形のプリズムと前記のライトイン面No.2と隣り合う鋭角が前記のライトイン面No.1側にあり、鈍角が前記のライトアウト面No.1と前記のライトアウト面No.2との交差点に近く、前記の視準プリズムがライトイン面No.3及びライトアウト面No.5を含み、前記のライトイン面No.3が前記のライトアウト面No.3と平行し、前記のライトアウト面No.5が前記の液晶スクリーンに平行し、前記のライトイン面No.2と前記のライトアウト面No.5との間のくさび角が10°をこえないことを特徴とする請求項1に記載の液晶ディスプレイ用バックライトモジュール。
- 前記の偏わいプリズムユニットと前記の視準プリズムが偏わいくさび形プリズムに結び合わせ、前記のライトイン面No.3が前記のライトアウト面No.3と重なり合うことを特徴とする請求項4に記載の液晶ディスプレイ用バックライトモジュール。
- 前記の反射コンポーネントは光学材料製の反射膜であり、前記の反射膜の表面が金属又は媒質にめっきされて反射面を構成し、前記の反射面が前記のライトアウト面No.1と平行することを特徴とする請求項1〜5のいずれかに記載の液晶ディスプレイ用バックライトモジュール。
- 前記の三角形のくさび形部品が光学材料製の三角形のくさび形膜であることを特徴とする請求項1〜5のいずれかに記載の液晶ディスプレイ用バックライトモジュール。
- 前記の平行四辺形のプリズムが光学材料製の平行四辺形のプリズム膜、前記の視準プリズムが光学材料製の視準プリズム膜であることを特徴とする請求項2又は4に記載の液晶ディスプレイ用バックライトモジュール。
- 前記の偏わい視準プリズムが光学材料製の偏わい視準プリズム膜であることを特徴とする請求項3に記載の液晶ディスプレイ用バックライトモジュール。
- 前記のくさび形プリズムが光学材料製のくさび形プリズム膜であることを特徴とする請求項5のいずれかに記載の液晶ディスプレイ用バックライトモジュール。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201210026819.6 | 2012-02-08 | ||
CN201210026819.6A CN102588835B (zh) | 2012-02-08 | 2012-02-08 | 一种用于液晶显示器的新型背光模组 |
PCT/CN2012/001733 WO2013116970A1 (zh) | 2012-02-08 | 2012-12-26 | 一种用于液晶显示器的新型背光模组 |
Publications (2)
Publication Number | Publication Date |
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JP2015513760A true JP2015513760A (ja) | 2015-05-14 |
JP6170072B2 JP6170072B2 (ja) | 2017-07-26 |
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Application Number | Title | Priority Date | Filing Date |
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JP2014555910A Active JP6170072B2 (ja) | 2012-02-08 | 2012-12-26 | 液晶ディスプレイ用新形バックライトモジュール |
Country Status (6)
Country | Link |
---|---|
US (1) | US9715141B2 (ja) |
EP (1) | EP2813751A4 (ja) |
JP (1) | JP6170072B2 (ja) |
KR (1) | KR20140138158A (ja) |
CN (1) | CN102588835B (ja) |
WO (1) | WO2013116970A1 (ja) |
Families Citing this family (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102588835B (zh) * | 2012-02-08 | 2016-01-13 | 苏州晶智科技有限公司 | 一种用于液晶显示器的新型背光模组 |
CN102681049B (zh) | 2012-03-12 | 2014-06-11 | 京东方科技集团股份有限公司 | 色偏平衡薄膜、侧入式背光模组及液晶显示装置 |
CN103226261A (zh) * | 2013-03-26 | 2013-07-31 | 苏州晶智科技有限公司 | 一种用于液晶显示器的二维准直背光模组 |
CN103235446B (zh) * | 2013-04-18 | 2016-04-27 | 中国科学院苏州纳米技术与纳米仿生研究所 | 一种用于液晶显示器的背光模组 |
CN107515467B (zh) * | 2017-09-28 | 2021-01-15 | 厦门天马微电子有限公司 | 显示装置 |
KR102525223B1 (ko) * | 2018-02-05 | 2023-04-25 | 삼성디스플레이 주식회사 | 백라이트 유닛 및 이를 포함하는 표시 장치 |
CN109212660B (zh) * | 2018-10-26 | 2020-01-24 | 合肥京东方光电科技有限公司 | 导光组件、光准直组件、背光模组及显示装置 |
TWI673517B (zh) * | 2018-12-20 | 2019-10-01 | 友達光電股份有限公司 | 光學調控元件以及顯示裝置 |
CN111381398B (zh) * | 2018-12-29 | 2023-05-30 | 北京小米移动软件有限公司 | 显示模组及电子设备 |
CN110208983B (zh) * | 2019-05-08 | 2022-02-18 | 马鞍山晶智科技有限公司 | 一种侧入式背光模组 |
CN110032004B (zh) * | 2019-05-09 | 2021-09-07 | 马鞍山晶智科技有限公司 | 一种用于准直背光模组的楔形板及准直背光模组 |
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CN102588835B (zh) * | 2012-02-08 | 2016-01-13 | 苏州晶智科技有限公司 | 一种用于液晶显示器的新型背光模组 |
-
2012
- 2012-02-08 CN CN201210026819.6A patent/CN102588835B/zh active Active
- 2012-12-26 KR KR1020147025305A patent/KR20140138158A/ko not_active Application Discontinuation
- 2012-12-26 WO PCT/CN2012/001733 patent/WO2013116970A1/zh active Application Filing
- 2012-12-26 JP JP2014555910A patent/JP6170072B2/ja active Active
- 2012-12-26 EP EP12868306.7A patent/EP2813751A4/en not_active Withdrawn
-
2014
- 2014-08-08 US US14/454,740 patent/US9715141B2/en active Active
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH065462B2 (ja) * | 1987-07-02 | 1994-01-19 | 信越ポリマ−株式会社 | バックライト装置 |
JPH07270708A (ja) * | 1994-03-31 | 1995-10-20 | Enplas Corp | 楔形出射方向特性調整素子を用いた面光源装置 |
JPH10246805A (ja) * | 1997-03-06 | 1998-09-14 | Dainippon Printing Co Ltd | 拡散光制御用光学シート、バックライト装置及び液晶表示装置 |
JP2007294458A (ja) * | 2006-04-21 | 2007-11-08 | Samsung Electronics Co Ltd | バックライトユニット及びそれを採用したディスプレイ装置 |
JP2007305543A (ja) * | 2006-05-15 | 2007-11-22 | Epson Imaging Devices Corp | 照明装置、電気光学装置、電子機器及び光学シート |
JP2008034240A (ja) * | 2006-07-28 | 2008-02-14 | Citizen Electronics Co Ltd | バックライト |
Also Published As
Publication number | Publication date |
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KR20140138158A (ko) | 2014-12-03 |
US9715141B2 (en) | 2017-07-25 |
CN102588835B (zh) | 2016-01-13 |
CN102588835A (zh) | 2012-07-18 |
JP6170072B2 (ja) | 2017-07-26 |
WO2013116970A1 (zh) | 2013-08-15 |
US20140347602A1 (en) | 2014-11-27 |
EP2813751A1 (en) | 2014-12-17 |
EP2813751A4 (en) | 2015-10-14 |
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