KR101910038B1 - 광속제어부재 - Google Patents
광속제어부재 Download PDFInfo
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- KR101910038B1 KR101910038B1 KR1020170073905A KR20170073905A KR101910038B1 KR 101910038 B1 KR101910038 B1 KR 101910038B1 KR 1020170073905 A KR1020170073905 A KR 1020170073905A KR 20170073905 A KR20170073905 A KR 20170073905A KR 101910038 B1 KR101910038 B1 KR 101910038B1
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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
- G02F1/133602—Direct backlight
- G02F1/133606—Direct backlight including a specially adapted diffusing, scattering or light controlling members
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B5/00—Optical elements other than lenses
- G02B5/02—Diffusing elements; Afocal elements
- G02B5/0205—Diffusing elements; Afocal elements characterised by the diffusing properties
- G02B5/021—Diffusing elements; Afocal elements characterised by the diffusing properties the diffusion taking place at the element's surface, e.g. by means of surface roughening or microprismatic structures
- G02B5/0215—Diffusing elements; Afocal elements characterised by the diffusing properties the diffusion taking place at the element's surface, e.g. by means of surface roughening or microprismatic structures the surface having a regular structure
-
- 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
- G02B6/004—Scattering dots or dot-like elements, e.g. microbeads, scattering particles, nanoparticles
- G02B6/0043—Scattering dots or dot-like elements, e.g. microbeads, scattering particles, nanoparticles provided on the surface of 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
- G02B6/0066—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
- 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
- G02F1/133606—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
- G02F1/133602—Direct backlight
- G02F1/133611—Direct backlight including means for improving the brightness uniformity
-
- G02F2001/133607—
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- Physics & Mathematics (AREA)
- Nonlinear Science (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Mathematical Physics (AREA)
- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Planar Illumination Modules (AREA)
Abstract
Description
도 1b는 본 발명의 다른 실시예에 따른 백라이트 유닛을 설명하기 위한 사시도;
도 2a는 본 발명의 일 실시예에 따른 광속제어부재를 설명하기 위한 평면도;
도 2b는 도 2a의 A-A'를 따라 취해진 본 발명의 일 실시예에 따른 광속제어부재를 설명하기 위한 단면도;
도 3은 각각 본 발명의 일 실시예에 따른 광속제어부재의 광량조절시트를 설명하기 위한 단면도들;
도 4 내지 도 6은 각각 본 발명의 다른 실시예에 따른 광속제어부재를 설명하기 위한 단면도;
도 7 및 도 8은 도 5 및 도 6의 광속제어부재의 제조방법을 설명하기 위한 도면들;
도 9는 본 발명의 실시예에 따른 광속제어부재의 광속제어를 설명하기 위한 도면;
도 10은 본 발명의 다른 실시예에 따른 광속제어패턴을 설명하기 위한 도면;
도 11a 및 도 11b는 본 발명의 실시예들에 따른 광속제어부재의 제 2 주면 오목부의 변형예를 나타낸 도면;
도 12a 및 도 12b는 본 발명의 실시예들에 따른 광속제어부재의 제 1 주면 입사공의 변형예를 나타낸 도면;
도 13a 내지 도 13c는 본 발명의 실시예들에 따른 광속제어부재의 가장자리 변형예를 나타낸 도면들이다.
도 14은 본 발명의 또 다른 실시예에 따른 광속제어부재의 제2주면을 나타낸 도면이다.
Claims (5)
- 제 1 주면 및 상기 제 1 주면에 대향하는 제 2 주면을 갖는 도광판;
상기 제 1 주면에 형성된 오목한 수광부;
상기 제 2 주면에 형성된 광량조절 오목부; 및
상기 광량조절 오목부 및 그 주변의 상기 제 2 주면 상의 광량조절시트를 포함하되,
상기 광량조절시트는 상기 제 2 주면을 통해 출사된 광량을 낮추는 두꺼운 영역과 얇은 영역, 그리고 상기 제 2 주면을 통해 출사되는 광량을 증가시키는 상기 얇은 영역보다 더 얇은 광추출 촉진영역을 포함하는 것을 특징으로 하는 광속제어부재. - 제1항에 있어서,
상기 광량조절시트의 두꺼운 영역은 상기 오목부 중앙의 상부에 위치하는 것을 특징으로 하는 광속제어부재. - 제1항에 있어서,
상기 광량조절시트의 광추출 촉진영역은 상기 오목부로부터 소정간격 이격된 상기 제 2 주면 상에 위치하는 것을 특징으로 하는 광속제어부재. - 제1항에 있어서,
상기 수광부 및 상기 오목부의 중심이 광축부근에 위치하도록 상기 수광부 하부에 광원이 배치될 때,
상기 광량조절시트의 두꺼운 영역과 얇은 영역은 상기 도광판을 통해 출사되는 빛의 중심 하한 광량보다 높은 광량이 출사되는 제 2 주면 상에 배치되고, 상기 광추출 촉진영역은 상기 도광판을 통해 출사되는 빛의 중심 하한 광량보다 낮은 광량이 출사되는 제 2 주면 상에 배치되는 것을 특징으로 하는 광속제어부재. - 제4항에 있어서,
상기 광량조절시트는 오목부의 경계면 주변을 노출시키는 홈을 더 포함하는 것을 특징으로 하는 광속제어부재.
Priority Applications (6)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020170073905A KR101910038B1 (ko) | 2017-06-13 | 2017-06-13 | 광속제어부재 |
JP2019536805A JP2019530967A (ja) | 2017-05-17 | 2018-02-28 | ローカルディミングのためのバックライトユニットおよび光束制御部材 |
PCT/KR2018/002492 WO2018212436A1 (ko) | 2017-05-17 | 2018-02-28 | 로컬 디밍을 위한 백라이트유닛 및 광속제어부재 |
US15/952,642 US20180335559A1 (en) | 2017-05-17 | 2018-04-13 | Backlight unit and luminous flux control member for local dimming |
CN201810475061.1A CN108957846A (zh) | 2017-05-17 | 2018-05-17 | 用于局部调光的背光单元及光束控制部件 |
CN201820735409.1U CN209182610U (zh) | 2017-05-17 | 2018-05-17 | 用于局部调光的背光单元及光束控制部件 |
Applications Claiming Priority (1)
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KR1020170073905A KR101910038B1 (ko) | 2017-06-13 | 2017-06-13 | 광속제어부재 |
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KR101910038B1 true KR101910038B1 (ko) | 2018-10-19 |
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KR1020170073905A Expired - Fee Related KR101910038B1 (ko) | 2017-05-17 | 2017-06-13 | 광속제어부재 |
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Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN111208670A (zh) * | 2018-11-22 | 2020-05-29 | 瑞仪(广州)光电子器件有限公司 | 发光机构、背光模块及其显示设备 |
KR102309577B1 (ko) * | 2020-04-10 | 2021-10-06 | 주식회사클라인즈 | 광속제어부재 |
CN117331256A (zh) * | 2023-08-31 | 2024-01-02 | 江西盛泰精密光学有限公司 | 一种极窄发光模组 |
-
2017
- 2017-06-13 KR KR1020170073905A patent/KR101910038B1/ko not_active Expired - Fee Related
Cited By (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN111208670A (zh) * | 2018-11-22 | 2020-05-29 | 瑞仪(广州)光电子器件有限公司 | 发光机构、背光模块及其显示设备 |
KR20210093868A (ko) * | 2018-11-22 | 2021-07-28 | 라디안트 (광저우) 옵토-엘렉트로닉스 컴퍼니 리미티드 | 발광 기구 및 백라이트 모듈 |
JP2022509576A (ja) * | 2018-11-22 | 2022-01-21 | ラディアント(クワンチョウ)オプト‐エレクトロニクス カンパニー リミテッド | 発光機構及びバックライトモジュール |
JP7277561B2 (ja) | 2018-11-22 | 2023-05-19 | ラディアント(クワンチョウ)オプト‐エレクトロニクス カンパニー リミテッド | 発光機構及びバックライトモジュール |
KR102605189B1 (ko) | 2018-11-22 | 2023-11-22 | 라디안트 (광저우) 옵토-엘렉트로닉스 컴퍼니 리미티드 | 발광 기구 및 백라이트 모듈 |
KR102309577B1 (ko) * | 2020-04-10 | 2021-10-06 | 주식회사클라인즈 | 광속제어부재 |
CN117331256A (zh) * | 2023-08-31 | 2024-01-02 | 江西盛泰精密光学有限公司 | 一种极窄发光模组 |
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