JP2015130322A - 導光板 - Google Patents

導光板 Download PDF

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Publication number
JP2015130322A
JP2015130322A JP2014179200A JP2014179200A JP2015130322A JP 2015130322 A JP2015130322 A JP 2015130322A JP 2014179200 A JP2014179200 A JP 2014179200A JP 2014179200 A JP2014179200 A JP 2014179200A JP 2015130322 A JP2015130322 A JP 2015130322A
Authority
JP
Japan
Prior art keywords
guide plate
light
main surface
light guide
light incident
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.)
Pending
Application number
JP2014179200A
Other languages
English (en)
Japanese (ja)
Other versions
JP2015130322A5 (enExample
Inventor
張▲ちあ▼尹
Chia-Yin Chang
▲翁▼巾▲てぃんぐ▼
Chin-Ting Weng
林信柏
Shin-Bo Lin
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 Opto Electronics Corp
Original Assignee
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.)
Filing date
Publication date
Application filed by Radiant Opto Electronics Corp filed Critical Radiant Opto Electronics Corp
Publication of JP2015130322A publication Critical patent/JP2015130322A/ja
Publication of JP2015130322A5 publication Critical patent/JP2015130322A5/ja
Pending legal-status Critical Current

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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
    • G02B6/0038—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
    • G02B6/0063—Means for improving the coupling-out of light from the light guide for extracting light out both the major surfaces of the light guide

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Planar Illumination Modules (AREA)
  • Light Guides In General And Applications Therefor (AREA)
JP2014179200A 2014-01-02 2014-09-03 導光板 Pending JP2015130322A (ja)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
TW103100086A TWI485453B (zh) 2014-01-02 2014-01-02 導光板
TW103100086 2014-01-02

Publications (2)

Publication Number Publication Date
JP2015130322A true JP2015130322A (ja) 2015-07-16
JP2015130322A5 JP2015130322A5 (enExample) 2017-10-19

Family

ID=50758414

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2014179200A Pending JP2015130322A (ja) 2014-01-02 2014-09-03 導光板

Country Status (5)

Country Link
US (1) US9612383B2 (enExample)
JP (1) JP2015130322A (enExample)
KR (1) KR20150080899A (enExample)
CN (3) CN106019459B (enExample)
TW (1) TWI485453B (enExample)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2019533290A (ja) * 2016-10-11 2019-11-14 ラディアント オプト‐エレクトロニクス （スーチョウ） カンパニー リミテッド 導光板、バックライトモジュール及び表示装置
JP2020038769A (ja) * 2018-09-03 2020-03-12 スタンレー電気株式会社 車両用灯具

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CN105388556A (zh) * 2014-08-20 2016-03-09 瑞仪光电股份有限公司 导光板和光源模块
TWI485453B (zh) 2014-01-02 2015-05-21 Radiant Opto Electronics Corp 導光板
US9442240B2 (en) 2012-03-16 2016-09-13 Radiant Opto-Electronics Corporation Light guide plate and light source module
TWI481915B (zh) 2013-08-20 2015-04-21 Radiant Opto Electronics Corp 具多向性結構之導光板
KR102378189B1 (ko) * 2015-07-29 2022-03-24 엘지디스플레이 주식회사 도광판 및 이를 포함하는 백라이트 유닛과 모바일 기기
CN108351951B (zh) 2015-10-26 2023-02-07 瑞尔D斯帕克有限责任公司 智能隐私系统、设备及其方法
CN107179627B (zh) * 2016-03-09 2020-10-23 台湾扬昕股份有限公司 光源模块以及显示装置
KR20170126563A (ko) * 2016-05-09 2017-11-20 삼성디스플레이 주식회사 광학 부재 및 이를 포함하는 표시 장치
CN107402420B (zh) * 2016-05-18 2019-10-15 瑞仪光电(苏州)有限公司 导光板及背光模组
EP3458897B1 (en) 2016-05-19 2025-04-02 RealD Spark, LLC Wide angle imaging directional backlights
EP3622342A4 (en) 2017-05-08 2021-02-17 RealD Spark, LLC OPTICAL STACK FOR DIRECTIVE DISPLAY
US10126575B1 (en) 2017-05-08 2018-11-13 Reald Spark, Llc Optical stack for privacy display
US20210199879A1 (en) 2017-05-08 2021-07-01 Reald Spark, Llc Optical stack for imaging directional backlights
TWI878209B (zh) 2017-09-15 2025-04-01 美商瑞爾Ｄ斯帕克有限責任公司 顯示裝置及應用於顯示裝置的視角控制光學元件
US10948648B2 (en) 2017-09-29 2021-03-16 Reald Spark, Llc Backlights having stacked waveguide and optical components with different coefficients of friction
US11109014B2 (en) 2017-11-06 2021-08-31 Reald Spark, Llc Privacy display apparatus
KR102853103B1 (ko) 2018-01-25 2025-09-03 리얼디 스파크, 엘엘씨 프라이버시 디스플레이를 위한 반사 광학 스택
CN118672006A (zh) 2018-01-25 2024-09-20 瑞尔D斯帕克有限责任公司 用于隐私显示器的触摸屏
JP7495027B2 (ja) * 2018-03-22 2024-06-04 リアルディー スパーク エルエルシー 光導波路、バックライト装置およびディスプレイ装置
CN112639591B (zh) 2018-06-29 2025-06-06 瑞尔D斯帕克有限责任公司 隐私显示的稳定化
CN112602011A (zh) 2018-07-18 2021-04-02 瑞尔D斯帕克有限责任公司 用于可切换定向显示器的光学堆叠
WO2020072643A1 (en) 2018-10-03 2020-04-09 Reald Spark, Llc Privacy display control apparatus
WO2020097156A1 (en) 2018-11-07 2020-05-14 Reald Spark, Llc Directional display apparatus
WO2020146091A1 (en) 2019-01-07 2020-07-16 Reald Spark, Llc Optical stack for privacy display
US11029566B2 (en) 2019-02-12 2021-06-08 Reald Spark, Llc Diffuser for privacy display
TW202102883A (zh) 2019-07-02 2021-01-16 美商瑞爾Ｄ斯帕克有限責任公司 定向顯示設備
WO2021026018A1 (en) 2019-08-02 2021-02-11 Reald Spark, Llc Optical stack for privacy display
CN110426776A (zh) * 2019-08-05 2019-11-08 苏州天禄光科技股份有限公司 双面导光板及其制备方法
CN114730549B (zh) 2019-10-02 2025-07-11 瑞尔D斯帕克有限责任公司 隐私显示设备
WO2021097040A1 (en) 2019-11-13 2021-05-20 Reald Spark, Llc Display device with uniform off-axis luminance reduction
EP4073560A4 (en) 2019-12-10 2024-02-21 RealD Spark, LLC REFLECTION CONTROL OF A DISPLAY DEVICE
EP4440248A3 (en) 2019-12-18 2024-10-16 RealD Spark, LLC Control of ambient light for a privacy display
US11442316B2 (en) 2020-04-30 2022-09-13 Reald Spark, Llc Directional display apparatus
EP4143631A4 (en) 2020-04-30 2024-05-29 RealD Spark, LLC DIRECTION INDICATOR
EP4143042B1 (en) 2020-04-30 2025-09-24 RealD Spark, LLC Directional display apparatus
US11624944B2 (en) 2020-07-29 2023-04-11 Reald Spark, Llc Backlight for switchable directional display
TWI898003B (zh) 2020-07-29 2025-09-21 美商瑞爾Ｄ斯帕克有限責任公司 光瞳照明裝置
CN114994823B (zh) * 2021-03-02 2024-01-30 北京小米移动软件有限公司 导光板、背光模组和终端
CN113189695A (zh) * 2021-05-13 2021-07-30 业成科技（成都）有限公司 背光模组及背光模组的制造方法
CN113745242B (zh) * 2021-07-30 2022-07-01 惠科股份有限公司 阵列基板、显示面板、显示装置及阵列基板的制作方法
US11892717B2 (en) 2021-09-30 2024-02-06 Reald Spark, Llc Marks for privacy display
WO2023154217A1 (en) 2022-02-09 2023-08-17 Reald Spark, Llc Observer-tracked privacy display
EP4505240A1 (en) 2022-04-07 2025-02-12 RealD Spark, LLC Directional display apparatus
CN114910992B (zh) * 2022-04-19 2022-12-13 安徽亿光源光电科技有限公司 高光效型导光板
WO2024226506A1 (en) 2023-04-25 2024-10-31 Reald Spark, Llc Switchable privacy display
WO2025030030A2 (en) 2023-08-03 2025-02-06 Reald Spark, Llc Privacy displays

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JP2007273288A (ja) * 2006-03-31 2007-10-18 Nippon Leiz Co Ltd 導光板および平面照明装置
WO2008066154A1 (en) * 2006-12-01 2008-06-05 Kuraray Co., Ltd. Surface illuminant element, and image display device having the element
JP2009134883A (ja) * 2007-11-28 2009-06-18 Nippon Leiz Co Ltd 導光板および平面照明装置
JP2009176593A (ja) * 2008-01-25 2009-08-06 Seiko Instruments Inc 照明装置及びこれを用いた表示装置
JP2012243612A (ja) * 2011-05-20 2012-12-10 Dainippon Printing Co Ltd 導光板、面光源装置および表示装置
JP2013143326A (ja) * 2012-01-12 2013-07-22 Mitsubishi Electric Corp バックライト及びこれを備えた液晶表示装置

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TWI485453B (zh) * 2014-01-02 2015-05-21 Radiant Opto Electronics Corp 導光板
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JP2007273288A (ja) * 2006-03-31 2007-10-18 Nippon Leiz Co Ltd 導光板および平面照明装置
WO2008066154A1 (en) * 2006-12-01 2008-06-05 Kuraray Co., Ltd. Surface illuminant element, and image display device having the element
JP2009134883A (ja) * 2007-11-28 2009-06-18 Nippon Leiz Co Ltd 導光板および平面照明装置
JP2009176593A (ja) * 2008-01-25 2009-08-06 Seiko Instruments Inc 照明装置及びこれを用いた表示装置
JP2012243612A (ja) * 2011-05-20 2012-12-10 Dainippon Printing Co Ltd 導光板、面光源装置および表示装置
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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2019533290A (ja) * 2016-10-11 2019-11-14 ラディアント オプト‐エレクトロニクス （スーチョウ） カンパニー リミテッド 導光板、バックライトモジュール及び表示装置
JP2020038769A (ja) * 2018-09-03 2020-03-12 スタンレー電気株式会社 車両用灯具

Also Published As

Publication number Publication date
US9612383B2 (en) 2017-04-04
CN103823272A (zh) 2014-05-28
CN106019459B (zh) 2020-11-17
US20150185398A1 (en) 2015-07-02
CN106019459A (zh) 2016-10-12
KR20150080899A (ko) 2015-07-10
CN103823272B (zh) 2016-08-17
CN203720395U (zh) 2014-07-16
TW201527812A (zh) 2015-07-16
TWI485453B (zh) 2015-05-21

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