KR100801803B1 - 면광원 장치 및 해당 장치를 이용한 기기 - Google Patents
면광원 장치 및 해당 장치를 이용한 기기 Download PDFInfo
- Publication number
- KR100801803B1 KR100801803B1 KR1020067007601A KR20067007601A KR100801803B1 KR 100801803 B1 KR100801803 B1 KR 100801803B1 KR 1020067007601 A KR1020067007601 A KR 1020067007601A KR 20067007601 A KR20067007601 A KR 20067007601A KR 100801803 B1 KR100801803 B1 KR 100801803B1
- Authority
- KR
- South Korea
- Prior art keywords
- light
- diffusion pattern
- groove
- guide plate
- pattern
- Prior art date
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
-
- 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
- G02B6/0016—Grooves, prisms, gratings, scattering particles or rough surfaces
-
- 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
-
- 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
- G02B6/0058—Means for improving the coupling-out of light from the light guide varying in density, size, shape or depth along the light guide
- G02B6/0061—Means for improving the coupling-out of light from the light guide varying in density, size, shape or depth along the light guide to provide homogeneous light output intensity
-
- 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
-
- 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
- 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
- G02B6/0038—Linear indentations or grooves, e.g. arc-shaped grooves or meandering grooves, extending over the full length or width 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)
- Optical Elements Other Than Lenses (AREA)
- Light Guides In General And Applications Therefor (AREA)
- Led Device Packages (AREA)
- Illuminated Signs And Luminous Advertising (AREA)
Abstract
Description
Claims (11)
- 광입사면으로부터 도입된 광을 광출사면의 거의 전체로 퍼지게 하여 광출사면으로부터 외부로 출사시키는 도광판과, 해당 도광판의 광입사면에 대향하여 배치된, 도광판의 폭과 비교하여 작은 광원을 구비한 면광원 장치에 있어서,상기 광입사면에, 상기 광출사면과 수직한 방향으로 일양한 복수의 오목부가, 제 1의 확산 패턴으로서 상기 광입사면의 상기 광원과 대향하는 영역에 배열되고,상기 제 1의 확산 패턴은, 상기 광입사면의 법선 방향과 거의 같은 제 1의 방향으로 광을 출사하는 면과, 상기 도광판의 상기 광입사면에 가까운 측의 구석부를 향하는 제 2의 방향으로 광을 출사하는 면과, 상기 제 1과 제 2의 방향에 끼워진 방향으로 광을 출사하는 면을 가지며,상기 광입사면으로부터 도광판에 입사한 광의 단위각도당의 광량과, 도광판의 광출사 영역의, 광원에서 본 단위각도당의 면적과의 비가 각도에 의하지 않고 거의 일정하게 되어 있고,상기 제 1의 확산 패턴끼리의 중간에서 상기 광입사면에 V홈 형상 또는 V형 돌기형상 또는 원호형상을 한 제 2의 확산 패턴을 형성한 것을 특징으로 하는 면광원 장치.
- 제 1항에 있어서,상기 제 1의 확산 패턴은, 직사각형 형상 내지 사다리꼴 형상을 한 홈부와, 해당 홈부의 광입사면과 평행한 변의 거의 중앙부에 마련된 오목홈 또는 볼록부로 이루어지는 것을 특징으로 하는 면광원 장치.
- 제 2항에 있어서,상기 홈부는 상기 광입사면에 주기적으로 마련되고, 상기 오목홈 또는 볼록부의 폭이 상기 홈부의 주기의 1/3 이하로 되어 있는 것을 특징으로 하는 면광원 장치.
- 제 2항에 있어서,상기 오목홈 또는 상기 복록부는, V홈 형상을 한 오목홈 또는 V형을 한 복록부인 것을 특징으로 하는 면광원 장치.
- 제 1항에 있어서,상기 제 1의 확산 패턴은, 직사각형 형상 및 사다리꼴 형상을 한 홈부를 가지며, 해당 홈부의 광입사측과 반대측의 모서리부가 원호형상으로 형성되어 있는 것을 특징으로 하는 면광원 장치.
- 제 1항에 있어서,상기 제 1의 확산 패턴은, 직사각형 형상 및 사다리꼴 형상을 한 홈부를 가지며, 해당 홈부의 광입사측과 반대측의 막다른 면이 원호형상으로 형성되어 있는 것을 특징으로 하는 면광원 장치.
- 삭제
- 제 1항에 있어서,상기 제 1의 확산 패턴의 상기 광입사면과 접하는 단을 통과하고, 상기 광원과 도광판의 면발광 영역의 단을 통과하는 선분과 평행한 가상 선분을 상정할 때, 상기 제 1의 확산 패턴 및 제 2의 확산 패턴이 상기 가상 선분을 초과하지 않는 것을 특징으로 하는 면광원 장치.
- 제 1항 내지 제 6항 중 어느 한 항에 있어서,도광판의 상기 광입사면과 상기 제 1의 확산 패턴의 상기 광입사면에 접하는 면과의 사이의 모서리가 모따기 또는 아르가 시행되어 있는 것을 특징으로 하는 면광원 장치.
- 제 1항 내지 제 6항 중 어느 한 항에 기재된 면광원 장치와, 화상 표시 패널을 구비한 것을 특징으로 하는 화상 표시 장치.
- 제 10항에 기재된 화상 표시 장치를 구비한 것을 특징으로 하는 휴대용 기 기.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JPJP-P-2003-00393566 | 2003-11-25 | ||
JP2003393566A JP4441854B2 (ja) | 2003-11-25 | 2003-11-25 | 面光源装置及び当該装置を用いた機器 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR20060066123A KR20060066123A (ko) | 2006-06-15 |
KR100801803B1 true KR100801803B1 (ko) | 2008-02-11 |
Family
ID=34631435
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1020067007601A KR100801803B1 (ko) | 2003-11-25 | 2004-11-24 | 면광원 장치 및 해당 장치를 이용한 기기 |
Country Status (7)
Country | Link |
---|---|
US (1) | US7371000B2 (ko) |
EP (1) | EP1688665B1 (ko) |
JP (1) | JP4441854B2 (ko) |
KR (1) | KR100801803B1 (ko) |
CN (1) | CN100501224C (ko) |
AT (1) | ATE516468T1 (ko) |
WO (1) | WO2005052441A1 (ko) |
Families Citing this family (26)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102062334B (zh) * | 2006-10-09 | 2013-02-06 | 皇家飞利浦电子股份有限公司 | 灯 |
JP4798098B2 (ja) * | 2007-01-17 | 2011-10-19 | 豊田合成株式会社 | スカッフプレート |
JP2008257900A (ja) * | 2007-03-31 | 2008-10-23 | Nidec Copal Corp | 面発光装置 |
US20090046479A1 (en) * | 2007-08-16 | 2009-02-19 | Philips Lumileds Lighting Company, Llc | Thin Backlight Using Low Profile Side Emitting LED |
JP5077942B2 (ja) * | 2007-11-07 | 2012-11-21 | 株式会社エンプラス | 発光装置、面光源装置、及び表示装置 |
WO2009116224A1 (ja) * | 2008-03-19 | 2009-09-24 | パナソニック株式会社 | 面光源装置 |
CN101769503B (zh) * | 2008-12-29 | 2012-07-04 | 英华达股份有限公司 | 发光结构 |
KR101285635B1 (ko) * | 2009-07-30 | 2013-07-12 | 엘지디스플레이 주식회사 | 도광판 및 이를 포함하는 액정표시장치 |
JP2011040279A (ja) * | 2009-08-11 | 2011-02-24 | Sony Corp | 面状照明装置 |
KR101777885B1 (ko) | 2009-08-12 | 2017-09-12 | 쓰리엠 이노베이티브 프로퍼티즈 컴파니 | 도광체 |
KR20120051945A (ko) | 2010-11-15 | 2012-05-23 | 엘지이노텍 주식회사 | 백라이트유닛 |
JP5656785B2 (ja) * | 2010-11-24 | 2015-01-21 | 三菱電機株式会社 | 照明装置及び液晶ディスプレイ |
US10107466B2 (en) | 2010-12-03 | 2018-10-23 | Docter Optics Se | Headlight lens for a vehicle headlight |
JP2013544425A (ja) * | 2010-12-03 | 2013-12-12 | ドクター・オプティクス・エスイー | 車両のヘッドライト用ヘッドライトレンズ |
JP5555927B2 (ja) * | 2011-03-25 | 2014-07-23 | ナルックス株式会社 | 照明装置 |
JP5725349B2 (ja) * | 2011-07-25 | 2015-05-27 | ミネベア株式会社 | 面状照明装置 |
WO2013161678A1 (ja) * | 2012-04-23 | 2013-10-31 | シャープ株式会社 | 照明装置及び表示装置 |
JP5948128B2 (ja) * | 2012-04-26 | 2016-07-06 | 住友化学株式会社 | 導光板 |
TWI490607B (zh) * | 2012-10-15 | 2015-07-01 | 群康科技(深圳)有限公司 | 顯示裝置及其發光模組與導光板 |
US9952372B2 (en) | 2013-03-15 | 2018-04-24 | Cree, Inc. | Luminaire utilizing waveguide |
CN104849793A (zh) * | 2014-02-19 | 2015-08-19 | 广州奥翼电子科技有限公司 | 电子纸显示屏导光板及电子纸显示屏 |
US11408572B2 (en) | 2014-03-15 | 2022-08-09 | Ideal Industries Lighting Llc | Luminaires utilizing optical waveguide |
US9835317B2 (en) * | 2014-03-15 | 2017-12-05 | Cree, Inc. | Luminaire utilizing waveguide |
JP6641160B2 (ja) * | 2015-11-13 | 2020-02-05 | 株式会社ユーシン | 導光装置 |
CN109073202B (zh) * | 2016-02-29 | 2020-09-01 | 理想工业照明有限责任公司 | 利用波导的发光体 |
CN111947069B (zh) * | 2016-02-29 | 2023-04-28 | 理想工业照明有限责任公司 | 利用波导的发光体 |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
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JPH10255530A (ja) * | 1997-03-14 | 1998-09-25 | Omron Corp | 面光源装置 |
JPH10293202A (ja) * | 1997-04-17 | 1998-11-04 | Enplas Corp | サイドライト型面光源装置 |
JPH11203923A (ja) * | 1998-01-09 | 1999-07-30 | Omron Corp | 面光源装置 |
JP2000030520A (ja) * | 1998-07-15 | 2000-01-28 | Omron Corp | 導光板及び面光源装置 |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP3684737B2 (ja) * | 1997-01-14 | 2005-08-17 | オムロン株式会社 | 面光源装置 |
JP2001255415A (ja) * | 2000-03-09 | 2001-09-21 | Citizen Electronics Co Ltd | 導光板 |
JP4368075B2 (ja) * | 2000-11-06 | 2009-11-18 | シャープ株式会社 | 面型照明装置 |
TWM255413U (en) * | 2002-12-13 | 2005-01-11 | Hon Hai Prec Ind Co Ltd | Surface light module and liquid crystal display using the same |
-
2003
- 2003-11-25 JP JP2003393566A patent/JP4441854B2/ja not_active Expired - Fee Related
-
2004
- 2004-11-24 CN CNB2004800349271A patent/CN100501224C/zh not_active Expired - Fee Related
- 2004-11-24 EP EP04819375A patent/EP1688665B1/en not_active Not-in-force
- 2004-11-24 KR KR1020067007601A patent/KR100801803B1/ko active IP Right Grant
- 2004-11-24 WO PCT/JP2004/017421 patent/WO2005052441A1/ja not_active Application Discontinuation
- 2004-11-24 AT AT04819375T patent/ATE516468T1/de not_active IP Right Cessation
-
2006
- 2006-05-22 US US11/438,727 patent/US7371000B2/en active Active
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH10255530A (ja) * | 1997-03-14 | 1998-09-25 | Omron Corp | 面光源装置 |
JPH10293202A (ja) * | 1997-04-17 | 1998-11-04 | Enplas Corp | サイドライト型面光源装置 |
JPH11203923A (ja) * | 1998-01-09 | 1999-07-30 | Omron Corp | 面光源装置 |
JP2000030520A (ja) * | 1998-07-15 | 2000-01-28 | Omron Corp | 導光板及び面光源装置 |
Non-Patent Citations (4)
Title |
---|
일본특개평10-255530호 |
일본특개평10-293202호 |
일본특개평11-203923호 |
일본특개평12-030520호 |
Also Published As
Publication number | Publication date |
---|---|
WO2005052441A1 (ja) | 2005-06-09 |
EP1688665A1 (en) | 2006-08-09 |
EP1688665B1 (en) | 2011-07-13 |
KR20060066123A (ko) | 2006-06-15 |
EP1688665A4 (en) | 2007-06-13 |
US7371000B2 (en) | 2008-05-13 |
ATE516468T1 (de) | 2011-07-15 |
JP2005158387A (ja) | 2005-06-16 |
CN100501224C (zh) | 2009-06-17 |
US20060209563A1 (en) | 2006-09-21 |
JP4441854B2 (ja) | 2010-03-31 |
CN1886621A (zh) | 2006-12-27 |
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