JP4873683B2 - 面光源装置 - Google Patents
面光源装置 Download PDFInfo
- Publication number
- JP4873683B2 JP4873683B2 JP2005121674A JP2005121674A JP4873683B2 JP 4873683 B2 JP4873683 B2 JP 4873683B2 JP 2005121674 A JP2005121674 A JP 2005121674A JP 2005121674 A JP2005121674 A JP 2005121674A JP 4873683 B2 JP4873683 B2 JP 4873683B2
- Authority
- JP
- Japan
- Prior art keywords
- light source
- source device
- light
- led light
- lens
- 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.)
- Expired - Fee Related
Links
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
- G02F1/133606—Direct backlight including a specially adapted diffusing, scattering or light controlling members
-
- 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
- G02F1/133604—Direct backlight with lamps
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO THE FORM OR THE KIND OF THE LIGHT SOURCES OR OF THE COLOUR OF THE LIGHT EMITTED
- F21Y2115/00—Light-generating elements of semiconductor light sources
- F21Y2115/10—Light-emitting diodes [LED]
-
- 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
- G02F2203/00—Function characteristic
- G02F2203/03—Function characteristic scattering
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S362/00—Illumination
- Y10S362/80—Light emitting diode
Description
110 反射面
112 筐体
114 棒状光源
116 光透過基板
118 シリンドリカルレンズ(アレイ)
120 マイクロレンズ(アレイ)
122 拡散剤入り光透過基板
124 拡散シート
126 輝度上昇フィルム
200 面光源装置
228 リニアフレネルレンズ(アレイ)
300 面光源装置
310 トーリックレンズ
312 トーリックフレネルレンズ
Claims (7)
- RGB各色を少なくとも一つずつ含むRGB単位を成すように,RGBのLED光源が列状に配列されてライン状LED光源を構成し,複数の前記ライン状LED光源が相互に平行に配列されてライン状LED光源アレイを構成し,前記ライン状LED光源アレイが収容され,表面側が開口する筐体と;
前記ライン状LED光源アレイから所定距離を置いて前記筐体の開口を塞ぐように配置され,前記ライン状LED光源に相対する裏面側に,前記RGB単位ごとに一のトーリックレンズが対応するように配列されたトーリックレンズアレイが形成され,前記ライン状LED光源アレイ側とは反対面の表面側に,多数のマイクロレンズから成るマイクロレンズアレイが形成された光透過基板とを備えることを特徴とする,面光源装置。 - 前記各トーリックレンズの焦点は,輝度分布が均一となるように,前記各LED光源の表面から前記筐体の裏面の間に設定されることを特徴とする,請求項1に記載の面光源装置。
- 前記光透過基板には,光拡散粒子が分散されていることを特徴とする,請求項1または2のいずれかに記載の面光源装置。
- 前記光透過基板の表面側に,表面側が粗面に形成された拡散シートを配置したことを特徴とする,請求項1〜3のいずれかに記載の面光源装置。
- 前記光透過基板の表面側に,偏光板を配置したことを特徴とする,請求項1〜4のいずれかに記載の面光源装置。
- 前記マイクロレンズの配列ピッチは,前記トーリックレンズとの間で生じるモアレが肉眼の分解能以下となるように調整されることを特徴とする,請求項1〜5のいずれかに記載の面光源装置。
- 前記トーリックレンズは,光学的に等価のトーリックフレネルレンズとして構成されることを特徴とする,請求項1〜6のいずれかに記載の面光源装置。
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2005121674A JP4873683B2 (ja) | 2005-04-19 | 2005-04-19 | 面光源装置 |
KR1020050095540A KR100702664B1 (ko) | 2005-04-19 | 2005-10-11 | 면광원 장치 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2005121674A JP4873683B2 (ja) | 2005-04-19 | 2005-04-19 | 面光源装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2006302622A JP2006302622A (ja) | 2006-11-02 |
JP4873683B2 true JP4873683B2 (ja) | 2012-02-08 |
Family
ID=37470682
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2005121674A Expired - Fee Related JP4873683B2 (ja) | 2005-04-19 | 2005-04-19 | 面光源装置 |
Country Status (2)
Country | Link |
---|---|
JP (1) | JP4873683B2 (ja) |
KR (1) | KR100702664B1 (ja) |
Families Citing this family (23)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP4873683B2 (ja) * | 2005-04-19 | 2012-02-08 | チェイル インダストリーズ インコーポレイテッド | 面光源装置 |
KR100790421B1 (ko) * | 2005-09-16 | 2008-01-02 | 제일모직주식회사 | 백라이트 유닛 및 액정표시장치 |
JP4671117B2 (ja) * | 2005-09-22 | 2011-04-13 | ミネベア株式会社 | 照明装置及びそれを用いた光源ユニット |
WO2008035493A1 (fr) * | 2006-09-20 | 2008-03-27 | Sharp Kabushiki Kaisha | Dispositif d'éclairage, dispositif de rétroéclairage utilisé pour un appareil d'affichage à cristaux liquides et appareil d'affichage à cristaux liquides |
US7789538B2 (en) * | 2006-11-15 | 2010-09-07 | 3M Innovative Properties Company | Back-lit displays with high illumination uniformity |
JP2008134371A (ja) * | 2006-11-28 | 2008-06-12 | Toppan Printing Co Ltd | 液晶表示装置用直下型バックライトに適用される光学シート |
JP2008198460A (ja) * | 2007-02-13 | 2008-08-28 | Omron Corp | 発光素子及び面照明装置 |
WO2008123280A1 (ja) * | 2007-03-30 | 2008-10-16 | Zeon Corporation | 直下型バックライト装置 |
JP2009104073A (ja) * | 2007-10-25 | 2009-05-14 | Sumitomo Chemical Co Ltd | 光制御板、面光源装置及び透過型画像表示装置 |
KR100983280B1 (ko) * | 2008-02-05 | 2010-09-24 | 엘지전자 주식회사 | 백라이트 유닛 |
CN101556351B (zh) | 2008-04-10 | 2011-07-27 | 深圳富泰宏精密工业有限公司 | 导光柱及具有该导光柱的光源装置 |
JP5135644B2 (ja) * | 2008-10-09 | 2013-02-06 | スタンレー電気株式会社 | 車両灯具用レンズ及び車両用前照灯 |
JP2010153769A (ja) * | 2008-11-19 | 2010-07-08 | Tokyo Electron Ltd | 基板位置検出装置、基板位置検出方法、成膜装置、成膜方法、プログラム及びコンピュータ可読記憶媒体 |
JP5322630B2 (ja) * | 2008-12-25 | 2013-10-23 | チェイル インダストリーズ インコーポレイテッド | 照明装置 |
JP4999881B2 (ja) * | 2009-05-06 | 2012-08-15 | スタンレー電気株式会社 | トンネル用照明装置 |
JP2011100644A (ja) * | 2009-11-06 | 2011-05-19 | Advan Lighting:Kk | 照明カバー及びその製造方法並びに照明器具 |
WO2012081183A1 (ja) * | 2010-12-16 | 2012-06-21 | パナソニック株式会社 | バックライト装置および液晶表示装置 |
JP2014203604A (ja) * | 2013-04-03 | 2014-10-27 | 日立アプライアンス株式会社 | 照明装置 |
KR102240756B1 (ko) * | 2014-06-30 | 2021-04-15 | 현대모비스 주식회사 | 자동차용 램프 설계방법 |
JP6579126B2 (ja) * | 2016-05-25 | 2019-09-25 | 株式会社デンソー | ヘッドアップディスプレイ装置及び画像投射ユニット |
CN107247365B (zh) * | 2017-07-28 | 2020-04-17 | 京东方科技集团股份有限公司 | 背光模组及显示装置 |
KR102071806B1 (ko) * | 2018-10-30 | 2020-03-02 | (주)엔디에스 | 모듈렌즈 |
CN115236896A (zh) * | 2022-07-26 | 2022-10-25 | 深圳市华星光电半导体显示技术有限公司 | 显示背光源和显示装置 |
Family Cites Families (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH05100223A (ja) * | 1991-04-03 | 1993-04-23 | Riyoosan:Kk | 光源装置 |
JPH06205172A (ja) * | 1992-12-28 | 1994-07-22 | Asahi Optical Co Ltd | 画像入力装置 |
JPH06222207A (ja) * | 1993-01-26 | 1994-08-12 | Dainippon Printing Co Ltd | 光学用シート、面光源及び表示装置 |
JPH06273763A (ja) * | 1993-03-22 | 1994-09-30 | Sony Corp | バックライトユニット |
EP1110027A1 (en) * | 1999-07-02 | 2001-06-27 | Lumileds Lighting B.V. | Luminaire and signaling lamp |
JP4293300B2 (ja) * | 2001-05-24 | 2009-07-08 | シャープ株式会社 | 照明装置およびそれを備える表示装置 |
KR20020096493A (ko) * | 2001-06-20 | 2002-12-31 | 김성호 | 대화면 평면표시장치 및 그 제조방법 |
JP4133420B2 (ja) * | 2002-03-26 | 2008-08-13 | シャープ株式会社 | バックライト及び液晶表示装置 |
JP2004227835A (ja) * | 2003-01-21 | 2004-08-12 | Konica Minolta Holdings Inc | 照明装置および液晶表示装置 |
JP2005043611A (ja) * | 2003-07-28 | 2005-02-17 | Dainippon Printing Co Ltd | 光学シート、面光源装置及び透過型表示装置 |
KR100657650B1 (ko) * | 2004-11-08 | 2006-12-14 | 엘지마이크론 주식회사 | 직하형 백라이트유니트 |
JP4873683B2 (ja) * | 2005-04-19 | 2012-02-08 | チェイル インダストリーズ インコーポレイテッド | 面光源装置 |
-
2005
- 2005-04-19 JP JP2005121674A patent/JP4873683B2/ja not_active Expired - Fee Related
- 2005-10-11 KR KR1020050095540A patent/KR100702664B1/ko not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
KR100702664B1 (ko) | 2007-04-02 |
KR20060110724A (ko) | 2006-10-25 |
JP2006302622A (ja) | 2006-11-02 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
JP4873683B2 (ja) | 面光源装置 | |
US10838255B2 (en) | Direct view display device and light unit for direct view display device | |
US9091408B2 (en) | Recycling backlights with semi-specular components | |
JP4133420B2 (ja) | バックライト及び液晶表示装置 | |
JP2007012323A (ja) | 面光源装置及び液晶表示装置 | |
JP5071675B2 (ja) | 照明装置および表示装置 | |
TW200538814A (en) | Planar light device | |
TWI428639B (zh) | 擴散板、背光單元及其液晶顯示器 | |
JP2014041845A (ja) | バックライトアセンブリ及びこれを含む表示装置 | |
TWI404893B (zh) | 無導光板之led發光構造 | |
KR20080061287A (ko) | 면 형상 광원 장치, 표시 장치 및 면 형상 조명 방법 | |
JP5217447B2 (ja) | 光源ユニット、バックライトユニット及びディスプレイ装置 | |
JP2009176512A (ja) | 面光源装置及び画像表示装置 | |
JP2012079460A (ja) | 隠蔽レンズシートを用いた照明ユニット及びこれを備えた表示装置 | |
KR20140067471A (ko) | 확산용 도광필름, 백라이트부 및 이를 구비한 액정표시소자 | |
JP5434403B2 (ja) | 照明ユニット及び表示装置 | |
JP4984512B2 (ja) | 面発光装置及び液晶表示装置 | |
JP2006202559A (ja) | 面光源装置 | |
JP5636884B2 (ja) | 導光板、バックライトユニット、表示装置、及び導光板の製造方法 | |
JP4730339B2 (ja) | 面光源装置、透過型表示装置 | |
JP2013206595A (ja) | 導光板、導光板を用いた照明装置および表示装置 | |
KR20090084446A (ko) | 백라이트 유닛 및 이를 이용한 액정 표시장치 | |
TWI384291B (zh) | 放射狀溝槽之光學基板以及應用其之背光模組 | |
JP2008305585A (ja) | 面光源装置、透過型表示装置 | |
JP2011216394A (ja) | 隠蔽レンズシートを用いた照明ユニット、及び、表示装置 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
A621 | Written request for application examination |
Free format text: JAPANESE INTERMEDIATE CODE: A621 Effective date: 20080421 |
|
A521 | Written amendment |
Free format text: JAPANESE INTERMEDIATE CODE: A523 Effective date: 20080514 |
|
A977 | Report on retrieval |
Free format text: JAPANESE INTERMEDIATE CODE: A971007 Effective date: 20100809 |
|
A131 | Notification of reasons for refusal |
Free format text: JAPANESE INTERMEDIATE CODE: A131 Effective date: 20100824 |
|
A521 | Written amendment |
Free format text: JAPANESE INTERMEDIATE CODE: A523 Effective date: 20101124 |
|
RD03 | Notification of appointment of power of attorney |
Free format text: JAPANESE INTERMEDIATE CODE: A7423 Effective date: 20101124 |
|
A02 | Decision of refusal |
Free format text: JAPANESE INTERMEDIATE CODE: A02 Effective date: 20110405 |
|
A521 | Written amendment |
Free format text: JAPANESE INTERMEDIATE CODE: A523 Effective date: 20110805 |
|
A911 | Transfer of reconsideration by examiner before appeal (zenchi) |
Free format text: JAPANESE INTERMEDIATE CODE: A911 Effective date: 20110815 |
|
TRDD | Decision of grant or rejection written | ||
A01 | Written decision to grant a patent or to grant a registration (utility model) |
Free format text: JAPANESE INTERMEDIATE CODE: A01 Effective date: 20111108 |
|
A01 | Written decision to grant a patent or to grant a registration (utility model) |
Free format text: JAPANESE INTERMEDIATE CODE: A01 |
|
A61 | First payment of annual fees (during grant procedure) |
Free format text: JAPANESE INTERMEDIATE CODE: A61 Effective date: 20111121 |
|
FPAY | Renewal fee payment (event date is renewal date of database) |
Free format text: PAYMENT UNTIL: 20141202 Year of fee payment: 3 |
|
R150 | Certificate of patent or registration of utility model |
Free format text: JAPANESE INTERMEDIATE CODE: R150 |
|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
LAPS | Cancellation because of no payment of annual fees |