JP2020516032A5 - - Google Patents

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Publication number
JP2020516032A5
JP2020516032A5 JP2019553814A JP2019553814A JP2020516032A5 JP 2020516032 A5 JP2020516032 A5 JP 2020516032A5 JP 2019553814 A JP2019553814 A JP 2019553814A JP 2019553814 A JP2019553814 A JP 2019553814A JP 2020516032 A5 JP2020516032 A5 JP 2020516032A5
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JP
Japan
Prior art keywords
discrete
feature
extension
optical guide
main surface
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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.)
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Application number
JP2019553814A
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English (en)
Japanese (ja)
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JP2020516032A (ja
JP7394625B2 (ja
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Priority claimed from PCT/IB2018/051629 external-priority patent/WO2018178790A1/en
Publication of JP2020516032A publication Critical patent/JP2020516032A/ja
Publication of JP2020516032A5 publication Critical patent/JP2020516032A5/ja
Application granted granted Critical
Publication of JP7394625B2 publication Critical patent/JP7394625B2/ja
Active legal-status Critical Current
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JP2019553814A 2017-03-31 2018-03-12 光ガイド Active JP7394625B2 (ja)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US201762479842P 2017-03-31 2017-03-31
US62/479,842 2017-03-31
PCT/IB2018/051629 WO2018178790A1 (en) 2017-03-31 2018-03-12 Lightguide

Publications (3)

Publication Number Publication Date
JP2020516032A JP2020516032A (ja) 2020-05-28
JP2020516032A5 true JP2020516032A5 (https=) 2021-04-22
JP7394625B2 JP7394625B2 (ja) 2023-12-08

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ID=63674538

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2019553814A Active JP7394625B2 (ja) 2017-03-31 2018-03-12 光ガイド

Country Status (5)

Country Link
US (1) US10775547B2 (https=)
JP (1) JP7394625B2 (https=)
CN (1) CN110462286A (https=)
TW (1) TW201839435A (https=)
WO (1) WO2018178790A1 (https=)

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WO2017200950A1 (en) 2016-05-19 2017-11-23 Reald Spark, Llc Wide angle imaging directional backlights
EP3622347A4 (en) 2017-05-08 2020-12-23 RealD Spark, LLC OPTICAL STACKING FOR DIRECTIONAL BACKLIGHT IMAGING
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
EP3743766B1 (en) 2018-01-25 2026-02-11 RealD Spark, LLC Touch screen for privacy display
TWI827580B (zh) 2018-01-25 2024-01-01 美商瑞爾Ｄ斯帕克有限責任公司 用於防窺顯示裝置之反射式光學堆疊物
EP3769516B1 (en) 2018-03-22 2025-06-25 RealD Spark, LLC Optical waveguide for directional backlight
US10955715B2 (en) 2018-06-29 2021-03-23 Reald Spark, Llc Optical stack for privacy display
WO2020018552A1 (en) 2018-07-18 2020-01-23 Reald Spark, Llc Optical stack for switchable directional display
US11106103B2 (en) 2018-10-03 2021-08-31 Reald Spark, Llc Privacy display apparatus controlled in response to environment of apparatus
WO2020097156A1 (en) 2018-11-07 2020-05-14 Reald Spark, Llc Directional display apparatus
TWI912252B (zh) 2019-07-02 2026-01-21 美商瑞爾Ｄ斯帕克有限責任公司 定向顯示設備
WO2021097066A1 (en) 2019-11-13 2021-05-20 Reald Spark, Llc Off-axis display device
US11796828B2 (en) 2019-12-10 2023-10-24 Reald Spark, Llc Control of reflections of a display device
CN115768642A (zh) 2020-04-30 2023-03-07 瑞尔D斯帕克有限责任公司 定向显示设备
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
TWI770718B (zh) * 2020-12-11 2022-07-11 達運精密工業股份有限公司 背光模組
US11892717B2 (en) 2021-09-30 2024-02-06 Reald Spark, Llc Marks for privacy display
TW202332973A (zh) 2022-02-09 2023-08-16 美商瑞爾Ｄ斯帕克有限責任公司 具均勻減低偏軸亮度之顯示裝置
US11977286B2 (en) 2022-02-09 2024-05-07 Reald Spark, Llc Observer-tracked privacy display
EP4705827A1 (en) 2023-04-25 2026-03-11 RealD Spark, LLC Switchable privacy display
WO2025030030A2 (en) 2023-08-03 2025-02-06 Reald Spark, Llc Privacy displays

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JP2014075309A (ja) * 2012-10-05 2014-04-24 Toppan Printing Co Ltd 導光板及びこれを用いたバックライトユニット並びに表示装置
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JP2016066578A (ja) * 2014-09-22 2016-04-28 大日本印刷株式会社 面光源装置および表示装置
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JP6276373B2 (ja) * 2016-12-06 2018-02-07 富士フイルム株式会社 導光板、これを含むバックライトユニットおよび液晶表示装置

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