CN113238314B - 一种用于准直背光模组的楔形导光板及其准直背光模组 - Google Patents
一种用于准直背光模组的楔形导光板及其准直背光模组 Download PDFInfo
- Publication number
- CN113238314B CN113238314B CN202110488532.4A CN202110488532A CN113238314B CN 113238314 B CN113238314 B CN 113238314B CN 202110488532 A CN202110488532 A CN 202110488532A CN 113238314 B CN113238314 B CN 113238314B
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- Prior art keywords
- light
- wedge
- guide plate
- light guide
- shaped
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- 235000009537 plain noodles Nutrition 0.000 claims 12
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- 230000003287 optical effect Effects 0.000 description 4
- 238000000034 method Methods 0.000 description 3
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- 230000001902 propagating effect Effects 0.000 description 2
- 208000008918 voyeurism Diseases 0.000 description 2
- 230000000694 effects Effects 0.000 description 1
- 239000004973 liquid crystal related substance Substances 0.000 description 1
Images
Classifications
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- 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
- G02B6/0013—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
- G02B6/0013—Means for improving the coupling-in of light from the light source into the light guide
- G02B6/0023—Means for improving the coupling-in of light from the light source into the light guide provided by one optical element, or plurality thereof, placed between the light guide and the light source, or around the light source
- G02B6/0025—Diffusing sheet or layer; Prismatic 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
- G02B6/0035—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
- G02B6/0036—2-D arrangement of prisms, protrusions, indentations or roughened 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
- 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
-
- 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
- G02B6/0075—Arrangements of multiple light guides
- G02B6/0076—Stacked arrangements of multiple light guides of the same or different cross-sectional area
-
- 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
- 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
-
- 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
- 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
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)
- Liquid Crystal (AREA)
Abstract
Description
Claims (2)
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202110488532.4A CN113238314B (zh) | 2021-05-06 | 2021-05-06 | 一种用于准直背光模组的楔形导光板及其准直背光模组 |
US18/285,387 US20240184034A1 (en) | 2021-05-06 | 2022-04-02 | Wedge-shaped light guide plate for collimating backlight module, and collimating backlight module |
EP22798549.6A EP4290304A4 (en) | 2021-05-06 | 2022-04-02 | CORNER-SHAPED LIGHT GUIDE PLATE FOR COLLIMATING BACKLIGHT MODULE, AND COLLIMATING BACKLIGHT MODULE |
PCT/CN2022/084947 WO2022233208A1 (zh) | 2021-05-06 | 2022-04-02 | 一种用于准直背光模组的楔形导光板及准直背光模组 |
JP2023555148A JP2024510729A (ja) | 2021-05-06 | 2022-04-02 | コリメートバックライトモジュール用の楔状導光板及びコリメートバックライトモジュール |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202110488532.4A CN113238314B (zh) | 2021-05-06 | 2021-05-06 | 一种用于准直背光模组的楔形导光板及其准直背光模组 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN113238314A CN113238314A (zh) | 2021-08-10 |
CN113238314B true CN113238314B (zh) | 2022-11-01 |
Family
ID=77132261
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN202110488532.4A Active CN113238314B (zh) | 2021-05-06 | 2021-05-06 | 一种用于准直背光模组的楔形导光板及其准直背光模组 |
Country Status (5)
Country | Link |
---|---|
US (1) | US20240184034A1 (zh) |
EP (1) | EP4290304A4 (zh) |
JP (1) | JP2024510729A (zh) |
CN (1) | CN113238314B (zh) |
WO (1) | WO2022233208A1 (zh) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN113238314B (zh) * | 2021-05-06 | 2022-11-01 | 苏州晶智科技有限公司 | 一种用于准直背光模组的楔形导光板及其准直背光模组 |
CN114967224B (zh) * | 2022-04-07 | 2024-01-30 | 武汉华星光电技术有限公司 | 背光模组及显示装置 |
CN114755752B (zh) * | 2022-04-14 | 2023-11-28 | 武汉华星光电技术有限公司 | 背光模组 |
CN117310867B (zh) * | 2023-09-28 | 2025-02-28 | 浙江彩丞科技有限公司 | 一种复合导光模块 |
Family Cites Families (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6002829A (en) * | 1992-03-23 | 1999-12-14 | Minnesota Mining And Manufacturing Company | Luminaire device |
JPH11249136A (ja) * | 1998-03-05 | 1999-09-17 | Sony Corp | バックライト装置 |
JP4006918B2 (ja) * | 2000-02-28 | 2007-11-14 | オムロン株式会社 | 面光源装置及びその製造方法 |
US7530721B2 (en) * | 2007-04-18 | 2009-05-12 | Skc Haas Display Films Co., Ltd. | Double-sided turning film |
CN101832517B (zh) * | 2009-03-13 | 2012-12-19 | 鸿富锦精密工业(深圳)有限公司 | 背光模组 |
JP2011258532A (ja) * | 2010-06-11 | 2011-12-22 | Omron Corp | 面光源装置及び立体表示装置 |
KR101898471B1 (ko) * | 2012-03-12 | 2018-09-14 | 삼성디스플레이 주식회사 | 도광판 및 이를 포함하는 표시 장치 |
JP6381484B2 (ja) * | 2015-05-22 | 2018-08-29 | 三菱電機株式会社 | 面光源装置及びそれを備える表示装置 |
CN106646718A (zh) * | 2016-10-20 | 2017-05-10 | 苏州向隆塑胶有限公司 | 具区段出光控制的侧入式背光模组及其显示装置 |
CN108224132A (zh) * | 2018-01-03 | 2018-06-29 | 京东方科技集团股份有限公司 | 一种准直光源模组和显示装置 |
KR20200138758A (ko) * | 2018-03-28 | 2020-12-10 | 쓰리엠 이노베이티브 프로퍼티즈 컴파니 | 쐐기형 도광체 |
CN110941116A (zh) * | 2018-09-21 | 2020-03-31 | 京东方科技集团股份有限公司 | 背光模组及其制作方法、显示装置 |
CN110208895A (zh) * | 2019-05-08 | 2019-09-06 | 苏州晶智科技有限公司 | 一种用于背光模组的楔形板及其背光模组 |
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 |
CN113238314B (zh) * | 2021-05-06 | 2022-11-01 | 苏州晶智科技有限公司 | 一种用于准直背光模组的楔形导光板及其准直背光模组 |
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2021
- 2021-05-06 CN CN202110488532.4A patent/CN113238314B/zh active Active
-
2022
- 2022-04-02 EP EP22798549.6A patent/EP4290304A4/en active Pending
- 2022-04-02 US US18/285,387 patent/US20240184034A1/en active Pending
- 2022-04-02 WO PCT/CN2022/084947 patent/WO2022233208A1/zh active Application Filing
- 2022-04-02 JP JP2023555148A patent/JP2024510729A/ja active Pending
Also Published As
Publication number | Publication date |
---|---|
JP2024510729A (ja) | 2024-03-11 |
US20240184034A1 (en) | 2024-06-06 |
EP4290304A4 (en) | 2024-09-04 |
EP4290304A1 (en) | 2023-12-13 |
CN113238314A (zh) | 2021-08-10 |
WO2022233208A1 (zh) | 2022-11-10 |
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Effective date of registration: 20230220 Address after: D318, No.398 Ruoshui Road, Suzhou Industrial Park, Suzhou, Jiangsu 215123 Patentee after: Suzhou Jingzhi Iridium Nanometer Photoelectric Technology Co.,Ltd. Address before: 215125 No. 398 Ruoshui Road, Dushuhu Gaojiao District, Suzhou Industrial Park, Wuzhong District, Suzhou City, Jiangsu Province Patentee before: SUZHOU CRYSTALENT Co.,Ltd. |
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Effective date of registration: 20240510 Address after: 215125 No. 398 Ruoshui Road, Dushuhu Gaojiao District, Suzhou Industrial Park, Wuzhong District, Suzhou City, Jiangsu Province Patentee after: SUZHOU CRYSTALENT Co.,Ltd. Country or region after: China Address before: D318, No.398 Ruoshui Road, Suzhou Industrial Park, Suzhou, Jiangsu 215123 Patentee before: Suzhou Jingzhi Iridium Nanometer Photoelectric Technology Co.,Ltd. Country or region before: China |