WO2016086451A1 - 导光板、背光模组及液晶显示装置 - Google Patents
导光板、背光模组及液晶显示装置 Download PDFInfo
- Publication number
- WO2016086451A1 WO2016086451A1 PCT/CN2014/093848 CN2014093848W WO2016086451A1 WO 2016086451 A1 WO2016086451 A1 WO 2016086451A1 CN 2014093848 W CN2014093848 W CN 2014093848W WO 2016086451 A1 WO2016086451 A1 WO 2016086451A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- guide plate
- light
- light guide
- wedge
- shaped cavity
- 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.)
- Ceased
Links
Images
Classifications
-
- 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
-
- 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
- G02B6/0035—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
-
- 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
- G02B6/0096—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems the lights guides being of the hollow type
-
- 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
Definitions
- a third preferred embodiment of the present invention provides a backlight module including a light source and a light guide plate 10 as described in the first preferred embodiment.
- the propagation direction of the light A or the light B and the number of times of the light and/or the reflection of the light are only exemplary, and the direction of the actual light and the number of times of refraction and/or reflection are determined according to actual conditions. .
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)
- Liquid Crystal (AREA)
- Light Guides In General And Applications Therefor (AREA)
Abstract
Description
Claims (18)
- 一种导光板,其特征在于,包括出光面、导光板底面及至少一个入光面,所述出光面与所述导光板底面相对设置,所述入光面连接于所述出光面与所述导光板底面,所述导光板呈楔形,所述导光板靠近所述入光面的一端的厚度大于其远离所述入光面的一端的厚度,所述导光板还设有楔形空腔,所述楔形空腔设有靠近所述导光板底面设置的楔形空腔底面,所述导光板的楔形空腔内设有反射片,所述反射片贴合于所述楔形空腔底面且所述反射片朝向所述出光面一侧设有反射凸起。
- 如权利要求1所述的导光板,其特征在于,所述楔形空腔还设有靠近所述入光面的楔形空腔侧面,所述楔形空腔侧面设有至少一个朝向所述楔形空腔内部凸起的导光凸起。
- 如权利要求1所述的导光板,其特征在于,所述导光凸起与所述导光板一体成型。
- 如权利要求2所述的导光板,其特征在于,所述导光凸起与所述导光板一体成型。
- 如权利要求1所述的导光板,其特征在于,所述导光凸起为半球体、多棱锥或多面体。
- 如权利要求5所述的导光板,其特征在于,所述导光凸起为半球体,所述半球体的直径为50微米至60微米。
- 如权利要求2所述的导光板,其特征在于,所述导光凸起为半球体、多棱锥或多面体。
- 如权利要求7所述的导光板,其特征在于,所述导光凸起为半球体,所述半球体的直径为50微米至60微米
- 如权利要求1所述的导光板,其特征在于,所述楔形空腔厚度大于或等于2毫米。
- 如权利要求2所述的导光板,其特征在于,所述楔形空腔厚度大于或等于2毫米。
- 如权利要求1所述的导光板,其特征在于,所述导光板采用聚甲基丙 烯酸甲酯材料制成。
- 如权利要求2所述的导光板,其特征在于,所述导光板采用聚甲基丙烯酸甲酯材料制成。
- 如权利要求1所述的导光板,其特征在于,所述导光板的导光板底面设有反射层。
- 如权利要求2所述的导光板,其特征在于,所述导光板的导光板底面设有反射层。
- 一种背光模组,其特征在于,设有导光板,所述导光板包括出光面、导光板底面及至少一个入光面,所述出光面与所述导光板底面相对设置,所述入光面连接于所述出光面与所述导光板底面,所述导光板呈楔形,所述导光板靠近所述入光面的一端的厚度大于其远离所述入光面的一端的厚度,所述导光板还设有楔形空腔,所述楔形空腔设有靠近所述导光板底面设置的楔形空腔底面,所述导光板的楔形空腔内设有反射片,所述反射片贴合于所述楔形空腔底面且所述反射片朝向所述出光面一侧设有反射凸起。
- 如权利要求15所述的背光模组,其特征在于,所述楔形空腔还设有靠近所述入光面的楔形空腔侧面,所述楔形空腔侧面设有至少一个朝向所述楔形空腔内部凸起的导光凸起。
- 一种液晶显示装置,其特征在于,设有导光板,所述导光板包括出光面、导光板底面及至少一个入光面,所述出光面与所述导光板底面相对设置,所述入光面连接于所述出光面与所述导光板底面,所述导光板呈楔形,所述导光板靠近所述入光面的一端的厚度大于其远离所述入光面的一端的厚度,所述导光板还设有楔形空腔,所述楔形空腔设有靠近所述导光板底面设置的楔形空腔底面,所述导光板的楔形空腔内设有反射片,所述反射片贴合于所述楔形空腔底面且所述反射片朝向所述出光面一侧设有反射凸起。
- 如权利要求17所述的背光模组,其特征在于,所述楔形空腔还设有靠近所述入光面的楔形空腔侧面,所述楔形空腔侧面设有至少一个朝向所述楔形空腔内部凸起的导光凸起。
Priority Applications (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2017528884A JP6542889B2 (ja) | 2014-12-02 | 2014-12-15 | 導光板とバックライトモジュール及び液晶表示装置 |
| KR1020177017806A KR101996156B1 (ko) | 2014-12-02 | 2014-12-15 | 도광판, 백라이트 모듈 및 액정 디스플레이 장치 |
| US14/420,900 US9304244B1 (en) | 2014-12-02 | 2014-12-15 | Light guide plate, backlight module, and liquid crystal display device |
| GB1710132.0A GB2548752B (en) | 2014-12-02 | 2014-12-15 | Light guide plate, backlight module, and liquid crystal display device |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410721062.1 | 2014-12-02 | ||
| CN201410721062.1A CN104597555B (zh) | 2014-12-02 | 2014-12-02 | 导光板、背光模组及液晶显示装置 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| WO2016086451A1 true WO2016086451A1 (zh) | 2016-06-09 |
Family
ID=53123455
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PCT/CN2014/093848 Ceased WO2016086451A1 (zh) | 2014-12-02 | 2014-12-15 | 导光板、背光模组及液晶显示装置 |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US9304244B1 (zh) |
| JP (1) | JP6542889B2 (zh) |
| KR (1) | KR101996156B1 (zh) |
| CN (1) | CN104597555B (zh) |
| GB (1) | GB2548752B (zh) |
| WO (1) | WO2016086451A1 (zh) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106707399B (zh) * | 2015-08-14 | 2019-09-06 | 瑞仪光电(苏州)有限公司 | 导光膜、背光模块 |
| KR102433051B1 (ko) * | 2015-08-19 | 2022-08-24 | 쑤저우 레킨 세미컨덕터 컴퍼니 리미티드 | 조명 장치 |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1348114A (zh) * | 2000-09-13 | 2002-05-08 | 菱电商事株式会社 | 制造表面发光的背光装置的方法,和表面发光的背光装置 |
| CN101131504A (zh) * | 2006-08-22 | 2008-02-27 | Lg电子株式会社 | 表面光源设备、具有其的背光单元和液晶显示器 |
| CN102661527A (zh) * | 2012-03-29 | 2012-09-12 | 深圳市华星光电技术有限公司 | 背光模组及液晶显示器 |
| CN202469764U (zh) * | 2012-03-16 | 2012-10-03 | 京东方科技集团股份有限公司 | 侧光式背光源 |
| CN102943980A (zh) * | 2012-11-15 | 2013-02-27 | 京东方科技集团股份有限公司 | 背光模组及液晶显示装置 |
Family Cites Families (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3280828B2 (ja) * | 1995-06-30 | 2002-05-13 | 富士通化成株式会社 | バックライトユニット |
| JP3982174B2 (ja) * | 1999-12-09 | 2007-09-26 | 松下電工株式会社 | 光照射装置 |
| JP2001250415A (ja) * | 1999-12-28 | 2001-09-14 | Fujitsu Kasei Kk | 照明装置 |
| JP4485026B2 (ja) * | 2000-07-26 | 2010-06-16 | スリーエム イノベイティブ プロパティズ カンパニー | 導光ユニット |
| JP4049624B2 (ja) * | 2001-07-27 | 2008-02-20 | 株式会社エンプラス | 面光源装置、画像表示装置及び導光板 |
| WO2003040816A1 (en) * | 2001-11-02 | 2003-05-15 | Honeywell International Inc. | Hollow wedge shape light guide for back illumination |
| US7775700B2 (en) * | 2004-10-01 | 2010-08-17 | Rohm And Haas Electronics Materials Llc | Turning film using array of roof prism structures |
| JPWO2008102762A1 (ja) * | 2007-02-20 | 2010-06-24 | 宣夫 大山 | 光源装置及びそれを用いた照明装置、並びに照明装置を用いた植物育成装置 |
| WO2011007305A1 (en) * | 2009-07-15 | 2011-01-20 | Koninklijke Philips Electronics N.V. | Lighting device |
| KR20120122642A (ko) * | 2011-04-29 | 2012-11-07 | 액츠 주식회사 | 반사 광원형 측광식 백라이트 유닛의 도광 시스템 |
| JP3175385U (ja) * | 2012-02-20 | 2012-05-10 | 三和企業股▲ふん▼有限公司 | フロントライト・モジュール構造 |
| CN102890306A (zh) * | 2012-10-11 | 2013-01-23 | 京东方科技集团股份有限公司 | 导光板及其制造方法和成型模具 |
-
2014
- 2014-12-02 CN CN201410721062.1A patent/CN104597555B/zh not_active Expired - Fee Related
- 2014-12-15 US US14/420,900 patent/US9304244B1/en not_active Expired - Fee Related
- 2014-12-15 WO PCT/CN2014/093848 patent/WO2016086451A1/zh not_active Ceased
- 2014-12-15 KR KR1020177017806A patent/KR101996156B1/ko not_active Expired - Fee Related
- 2014-12-15 JP JP2017528884A patent/JP6542889B2/ja not_active Expired - Fee Related
- 2014-12-15 GB GB1710132.0A patent/GB2548752B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1348114A (zh) * | 2000-09-13 | 2002-05-08 | 菱电商事株式会社 | 制造表面发光的背光装置的方法,和表面发光的背光装置 |
| CN101131504A (zh) * | 2006-08-22 | 2008-02-27 | Lg电子株式会社 | 表面光源设备、具有其的背光单元和液晶显示器 |
| CN202469764U (zh) * | 2012-03-16 | 2012-10-03 | 京东方科技集团股份有限公司 | 侧光式背光源 |
| CN102661527A (zh) * | 2012-03-29 | 2012-09-12 | 深圳市华星光电技术有限公司 | 背光模组及液晶显示器 |
| CN102943980A (zh) * | 2012-11-15 | 2013-02-27 | 京东方科技集团股份有限公司 | 背光模组及液晶显示装置 |
Also Published As
| Publication number | Publication date |
|---|---|
| GB2548752B (en) | 2021-06-23 |
| CN104597555A (zh) | 2015-05-06 |
| JP2017538264A (ja) | 2017-12-21 |
| GB2548752A (en) | 2017-09-27 |
| GB201710132D0 (en) | 2017-08-09 |
| JP6542889B2 (ja) | 2019-07-10 |
| KR101996156B1 (ko) | 2019-07-03 |
| CN104597555B (zh) | 2019-01-15 |
| GB2548752A8 (en) | 2020-11-11 |
| KR20170088978A (ko) | 2017-08-02 |
| US9304244B1 (en) | 2016-04-05 |
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