JP2012514774A5 - - Google Patents

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Publication number
JP2012514774A5
JP2012514774A5 JP2011545459A JP2011545459A JP2012514774A5 JP 2012514774 A5 JP2012514774 A5 JP 2012514774A5 JP 2011545459 A JP2011545459 A JP 2011545459A JP 2011545459 A JP2011545459 A JP 2011545459A JP 2012514774 A5 JP2012514774 A5 JP 2012514774A5
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JP
Japan
Prior art keywords
article
optical diffuser
angle
asymmetric optical
visible
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
JP2011545459A
Other languages
English (en)
Japanese (ja)
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JP2012514774A (ja
Filing date
Publication date
Application filed filed Critical
Priority claimed from PCT/US2010/020506 external-priority patent/WO2010081006A1/en
Publication of JP2012514774A publication Critical patent/JP2012514774A/ja
Publication of JP2012514774A5 publication Critical patent/JP2012514774A5/ja
Pending legal-status Critical Current

Links

JP2011545459A 2009-01-08 2010-01-08 乾式消去可能投射物品及びシステム Pending JP2012514774A (ja)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
US14327509P 2009-01-08 2009-01-08
US61/143,275 2009-01-08
US17099309P 2009-04-20 2009-04-20
US61/170,993 2009-04-20
PCT/US2010/020506 WO2010081006A1 (en) 2009-01-08 2010-01-08 Dry erasable projection article and system

Publications (2)

Publication Number Publication Date
JP2012514774A JP2012514774A (ja) 2012-06-28
JP2012514774A5 true JP2012514774A5 (enExample) 2013-02-28

Family

ID=42311478

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2011545459A Pending JP2012514774A (ja) 2009-01-08 2010-01-08 乾式消去可能投射物品及びシステム

Country Status (6)

Country Link
US (1) US8220932B2 (enExample)
EP (1) EP2385904A1 (enExample)
JP (1) JP2012514774A (enExample)
KR (1) KR20110122674A (enExample)
CN (1) CN102405142A (enExample)
WO (1) WO2010081006A1 (enExample)

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CN102667618B (zh) 2009-11-23 2015-02-25 3M创新有限公司 具有高对比度的正投影屏幕
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CN103744221B (zh) * 2013-12-12 2017-01-04 中国电子科技集团公司第五十五研究所 提高显示器强光环境下显示对比度的方法
KR101777532B1 (ko) * 2013-12-27 2017-09-11 코니카 미놀타 가부시키가이샤 광학 필름, 편광판 및 화상 표시 장치
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CN105223766A (zh) 2014-07-04 2016-01-06 中强光电股份有限公司 投影屏幕以及投影屏幕的制作方法
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CN109976082B (zh) * 2017-12-14 2021-11-23 台湾扬昕股份有限公司 投影幕及吸光膜
CN110262179B (zh) * 2018-03-12 2025-09-12 姚苏栩 智能投影书写白板

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