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CN111010878A - 导光板、背光模组及显示装置 - Google Patents

导光板、背光模组及显示装置 Download PDF

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Publication number
CN111010878A
CN111010878A CN201880004419.0A CN201880004419A CN111010878A CN 111010878 A CN111010878 A CN 111010878A CN 201880004419 A CN201880004419 A CN 201880004419A CN 111010878 A CN111010878 A CN 111010878A
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CN
China
Prior art keywords
light
angle
included angle
optical
guide plate
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.)
Granted
Application number
CN201880004419.0A
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English (en)
Other versions
CN111010878B (zh
Inventor
张嘉尹
翁巾婷
陈昊
钟翌菁
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Radiant Guangzhou Opto Electronics Co Ltd
Radiant Opto Electronics Corp
Original Assignee
Radiant Guangzhou Opto Electronics Co Ltd
Radiant Opto Electronics Corp
Priority date (The priority date 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 date listed.)
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Publication date
Application filed by Radiant Guangzhou Opto Electronics Co Ltd, Radiant Opto Electronics Corp filed Critical Radiant Guangzhou Opto Electronics Co Ltd
Publication of CN111010878A publication Critical patent/CN111010878A/zh
Application granted granted Critical
Publication of CN111010878B publication Critical patent/CN111010878B/zh
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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
    • 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
    • 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

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Planar Illumination Modules (AREA)

Abstract

一种导光板、背光模组及显示装置。导光板包含本体及多个光学结构。本体具有入光面、反入光面及光学面。入光面与反入光面相对，光学面连接入光面与反入光面，且入光面面向光源。光学结构设置在光学面上。每一个光学结构包含朝向入光面的第一光作用面及朝向反入光面的第二光作用面。第一光作用面与第二光作用面为相异倾斜方向的斜面且形成非对称状。第一光作用面相对于光学面具有第一夹角，第二光作用面相对于光学面具有第二夹角。第一夹角大于第二夹角，且第二夹角大于0度。导光板的出光角随着第一夹角的增大呈指数递减。

Description

PCT国内申请，说明书已公开。

Claims (11)

  1. PCT国内申请，权利要求书已公开。
CN201880004419.0A 2018-08-06 2018-08-06 导光板、背光模组及显示装置 Active CN111010878B (zh)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/CN2018/098938 WO2020029004A1 (zh) 2018-08-06 2018-08-06 导光板、背光模组及显示装置

Publications (2)

Publication Number Publication Date
CN111010878A true CN111010878A (zh) 2020-04-14
CN111010878B CN111010878B (zh) 2021-06-04

Family

ID=69413873

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201880004419.0A Active CN111010878B (zh) 2018-08-06 2018-08-06 导光板、背光模组及显示装置

Country Status (4)

Country Link
US (1) US10914885B2 (zh)
CN (1) CN111010878B (zh)
TW (1) TWI679454B (zh)
WO (1) WO2020029004A1 (zh)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113853539A (zh) * 2020-04-28 2021-12-28 瑞仪(广州)光电子器件有限公司 光学膜片、背光模组及显示装置

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TWI885257B (zh) * 2022-04-18 2025-06-01 大陸商宸鴻科技（廈門）有限公司 顯示裝置及導光板
CN115654418B (zh) * 2022-11-10 2023-11-14 湖南大学 导光隔热棱镜日光重定向系统

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5485291A (en) * 1994-02-22 1996-01-16 Precision Lamp, Inc. Uniformly thin, high efficiency large area lighting panel with two facet grooves that are spaced apart and have light source facing facets with smaller slopes than the facets facing away from the light source
US20070030698A1 (en) * 2005-08-03 2007-02-08 Citizen Electronics Co., Ltd. Light guide plate
US20130336005A1 (en) * 2012-06-13 2013-12-19 Innolux Corporation Light guide plate and backlight module using the same
CN104714269A (zh) * 2013-12-17 2015-06-17 三星显示有限公司 导光板、背光单元和液晶显示器
CN105572788A (zh) * 2014-08-18 2016-05-11 株式会社新谱 一种导光板、包括该导光板的背光模组以及显示装置
CN207502767U (zh) * 2017-12-08 2018-06-15 瑞仪光电(苏州)有限公司 导光板、背光模组及显示装置

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20070177405A1 (en) * 2006-01-27 2007-08-02 Toppoly Optoelectronics Corp. Backlight unit, liquid crystal display module and electronic device
US7780330B2 (en) * 2007-05-16 2010-08-24 Rohm And Haas Electronics Materials Llc Elongated illuminators configuration for LCD displays
TWI539211B (zh) * 2012-04-30 2016-06-21 中強光電股份有限公司 導光板及使用導光板之背光模組
CN105492933B (zh) * 2013-09-05 2017-08-01 3M创新有限公司 具有小透镜和棱镜簇的双面光学膜
WO2019080027A1 (zh) * 2017-10-26 2019-05-02 瑞仪(广州)光电子器件有限公司 导光板、背光模组及显示装置
KR102570053B1 (ko) * 2018-05-14 2023-08-23 라디안트 (광저우) 옵토-엘렉트로닉스 컴퍼니 리미티드 도광판, 백라이트 모듈 및 디스플레이 장치

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5485291A (en) * 1994-02-22 1996-01-16 Precision Lamp, Inc. Uniformly thin, high efficiency large area lighting panel with two facet grooves that are spaced apart and have light source facing facets with smaller slopes than the facets facing away from the light source
US20070030698A1 (en) * 2005-08-03 2007-02-08 Citizen Electronics Co., Ltd. Light guide plate
US20130336005A1 (en) * 2012-06-13 2013-12-19 Innolux Corporation Light guide plate and backlight module using the same
CN104714269A (zh) * 2013-12-17 2015-06-17 三星显示有限公司 导光板、背光单元和液晶显示器
CN105572788A (zh) * 2014-08-18 2016-05-11 株式会社新谱 一种导光板、包括该导光板的背光模组以及显示装置
CN207502767U (zh) * 2017-12-08 2018-06-15 瑞仪光电(苏州)有限公司 导光板、背光模组及显示装置

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113853539A (zh) * 2020-04-28 2021-12-28 瑞仪(广州)光电子器件有限公司 光学膜片、背光模组及显示装置
CN113853539B (zh) * 2020-04-28 2024-03-08 瑞仪(广州)光电子器件有限公司 光学膜片、背光模组及显示装置

Also Published As

Publication number Publication date
WO2020029004A1 (zh) 2020-02-13
US10914885B2 (en) 2021-02-09
TWI679454B (zh) 2019-12-11
TW202008011A (zh) 2020-02-16
US20200064536A1 (en) 2020-02-27
CN111010878B (zh) 2021-06-04

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