3mdbef專(zhuān)利說(shuō)明材料科學(xué)工程科技專(zhuān)業(yè)資料

1、 反射式偏光膜之基礎(chǔ)反射式偏光膜之基礎(chǔ)專(zhuān)利分析與對(duì)策專(zhuān)利分析與對(duì)策反射式偏光膜反射式偏光膜的概念最早源自寶麗萊(polaroid corp.)在1969年由howard g.rogers提出以多層高分子來(lái)制作偏光反射膜，并應(yīng)用此高分子式反射偏光膜于車(chē)燈之中，后來(lái)陶氏化學(xué)(dow chemical corp.) 將其制程與材料開(kāi)始深化專(zhuān)利與技術(shù)。后來(lái)3m開(kāi)始將其光學(xué)技術(shù)轉(zhuǎn)用于顯示器，3m最早于1993年提出三篇專(zhuān)利的基礎(chǔ)母案來(lái)布局反射反射式偏光式偏光膜膜(產(chǎn)品稱(chēng)產(chǎn)品稱(chēng)dbef)領(lǐng)域，后續(xù)十幾年不間斷以美國(guó)特有之接續(xù)案延伸繁衍出百篇以上的相關(guān)專(zhuān)利，期間美國(guó)專(zhuān)利制度雖有修正，但仍有不少基礎(chǔ)專(zhuān)利因申請(qǐng)

2、時(shí)間甚早，故獲得較長(zhǎng)專(zhuān)利時(shí)限的保護(hù)。3m us patents list5594830568697958255425828488583137560258976080467608806160881596101032612497162107856335999644909265157856543152654315366418836642977applicationprocess & material apparatus3438691548694956128205808794582554258255425825543586731658827745962114601841960963756111

3、6976117530615749062084666296927630767663350513m dbef related patents超過(guò)106篇相關(guān)專(zhuān)利667145268040586829071689482169240146934082697545570387457147903720962872454317321464741818874237087423708742419775579896368699645951465839306590707661035666134216624936663533767371547064897708384770944617094461725693672973

4、937724434774498750947885094793526999553893245872653596524759652476096375657402567833496808658682788669394996946188694921269916957088511739649376043817740470635276164490936498683656951565740456641900674456168886776946188714129771509077345137745920475682043dbef us basic patents list 申請(qǐng)人申請(qǐng)人專(zhuān)利號(hào)專(zhuān)利號(hào)專(zhuān)利名稱(chēng)專(zhuān)利

5、名稱(chēng)申請(qǐng)日申請(qǐng)日過(guò)期時(shí)間過(guò)期時(shí)間dow5486949birefringent interference polarizer1990.11.262013.1.23dow5269995coextrusion of multilayer articles using protective boundary layers and apparatus therefor1992.10.22012.10.23m5828488reflective polarizer display (bef + dbef)1995.3.102015.10.27dow5612820birefringent interferen

6、ce polarizer (origin: 1989, in us)1995.5.302014.3.183m5872653birefringent interference polarizer1996.12.182009.6.203m5882542diffusely reflecting multilayer polarizers and mirrors(diffusing elements, in us)1997.9.102015.6.263m5965247process for forming reflective polarizer (origin: 1993, in us)1997.1

7、0.282014.12.203m6124971transflective displays with reflective polarizing transflector(5882542)1997.10.172015.6.263m5882774optical film (delta z 0.05)1999.3.162016.3.163m7423708display having a reflective polarizer (dbef, 90年代核駁re-new)2005.7.262013.12.213m 大陸專(zhuān)利列表applicationprocess & material appa

8、ratus3m dbef related patents94194547.297192660.397192877.097192908.497192877.097192908.496196475.800813089.202808295.8200680019659.5200980114664.8200980111535.3200880120331.1598807825.299803904.798807825.298813054.801817131.194194568.594194895.1以申請(qǐng)?zhí)柵帕?m于大陸市場(chǎng)的dbef專(zhuān)利的布局 幾乎同步于美國(guó)專(zhuān)利布局時(shí)間，大陸雖無(wú)如美國(guó)接續(xù)案的制度，但其在

9、美國(guó)的主要基礎(chǔ)專(zhuān)利仍有一定障礙3m 臺(tái)灣專(zhuān)利列表applicationprocess & material apparatus3m dbef related patents6577832i278717i276538i230809i2573491974895778323m 在臺(tái)灣專(zhuān)利申請(qǐng)多以后制程為主(包裝 雷射裁切等)等，且關(guān)最早的專(zhuān)利申請(qǐng)案都在2000年后才申請(qǐng)，這時(shí)幾乎都已經(jīng)無(wú)法保護(hù)基礎(chǔ)重要專(zhuān)利的優(yōu)先權(quán)了3m基礎(chǔ)美陸案專(zhuān)利家族比較序序號(hào)號(hào)美國(guó)專(zhuān)利美國(guó)專(zhuān)利號(hào)號(hào)專(zhuān)利名稱(chēng)專(zhuān)利名稱(chēng)專(zhuān)利到專(zhuān)利到期日期日大陸專(zhuān)利大陸專(zhuān)利號(hào)號(hào)(申請(qǐng)申請(qǐng)?zhí)柼?hào))專(zhuān)利名稱(chēng)專(zhuān)利名稱(chēng)專(zhuān)利到專(zhuān)利到期日期日aus5828488reflective polarizer display 2015.10.2794194895帶有亮度增強(qiáng)的反射式偏振片2014.12.20bus7423708display having reflective polarizer 2013.12.2194194568反射式顯示器2014.12.20cus5882774optical film2016.3.1694194547多層光學(xué)薄膜2014.12.20summarysummary of us dbef patents 2012.10.2 后可以在美國(guó)制作一般聚脂類(lèi)多層膜產(chǎn)品 2013