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class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="zfvwxtu" class="smallimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/SZqianyuguangxue/637309446106816406/511083.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="xxov23e" class="content"><p><span>需求數(shù)量：</span>0</p><p><span>價(jià)格要求：</span>面議</p><p><span>所在地：</span>江蘇省</p><p><span>包裝要求：</span><span style="color: #f30;"></span></p><p><span>產(chǎn)品關(guān)鍵詞：</span>江蘇口碑好軸角度測試儀,軸角度測試儀</p><p><span>***更新：</span>2020-08-20 18:12:45</p><p><span id="click" >瀏覽次數(shù)：0次</span></p><a rel="nofollow" class="button">聯(lián)系我們</a></div></div><div id="b3jsyul" class="rightbox"><h3>公司基本資料信息</h3><p style="border:0;"><a rel="nofollow">蘇州千宇光學(xué)科技有限公司</a></p><p><span>聯(lián)系人：</span>密先生</p><p><span>郵箱: </span>cimi@oec-tech.com</p><p><span>電話: </span>18662198664</p><p><span>傳真: </span>0512_69388290</p><p><span>網(wǎng)址: </span></p><p><span>手機(jī): </span>0512-69388290</p><p><span>地址: </span>蘇州工業(yè)園區(qū)東旺路8號7B-302室</p><p>[當(dāng)前離線] <a rel="nofollow"> [加為商友] </a><a rel="nofollow"> [發(fā)送信件] </a></p></div></div><div id="ii8fw38" class="page-proshow02"><p class="title">詳細(xì)說明</p><div id="w7izqh3" class="box"><p><p> <span style="font-size:12px;">用語的定義：</span> </p> <p> <span style="font-size:12px;">偏光片：通過吸收軸和偏光軸只通過自然光中的一定波長的光</span> </p> <p> 吸收軸：給通過自然光的垂直、水平光的波長的同時(shí)只吸收一定方向的光的軸 </p> <p> 偏光軸：與吸收軸成垂直的方向，是使通過波長的光形成偏光的軸 </p> <p> 慢軸，江蘇口碑好軸角度測試儀、快軸角度定義：慢軸（快軸）與基準(zhǔn)邊的夾角 </p> <p> <span style="font-size:12px;">POL偏光度與透過率的曲線關(guān)系：</span><span style="font-size:12px;">POL的偏光度與透過率成反比，</span><span style="font-size:12px;">偏光度可以做到很高，</span><span style="font-size:12px;">接近**。</span><span style="font-size:12px;">透過率不可超過50%，江蘇口碑好軸角度測試儀，</span><span style="font-size:12px;">原因：垂直方向，延吸收軸方向</span><span style="font-size:12px;">的光全部吸收，剩下的50%還存在</span><span style="font-size:12px;">少量的反射，江蘇口碑好軸角度測試儀、散射等。</span> </p> <p> <br /> </p> <p> <br /> </p> <p> <br /> </p> <p> <br /> </p> <p> <br /> </p> <p> <br /> </p> <p> <br /> </p> <p> <br /> </p> <p> <br /> </p> <p> <br /> </p> <p> <br /> 可提供計(jì)量檢測報(bào)告，驗(yàn)證設(shè)備可靠性。江蘇口碑好軸角度測試儀</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="江蘇口碑好軸角度測試儀,軸角度測試儀" src="https://tyunfile.71360.com/UploadFile/SZqianyuguangxue/637309446106816406/511083.png"></div><p> 近年來，液晶顯示裝置作為顯示文字、圖像等的顯示裝置而被*** 利用。這樣的液晶顯示裝置通常包括2片偏振片和設(shè)置于其間的液晶單元，該液晶單元由玻璃基板、透明電極、濾色器、定向膜、液晶等構(gòu)成。 </p> <p> 一般來說，液晶顯示裝置中使用的偏振片是介由粘合劑層在偏振膜（起偏振器）的單面或雙面貼合三乙酸纖維素（以下，也稱為TAC）系膜等的保護(hù)膜而成的，所述偏振膜是在拉伸定向的聚乙烯醇（以下，也稱為PVA）系片上吸附有碘或二色性染料而得的。蘇州軸角度測試儀售后保障配向角（取向角）是指軸角嗎？否。配向角是軸角在垂直方向的投影。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="江蘇口碑好軸角度測試儀,軸角度測試儀" src="https://tyunfile.71360.com/UploadFile/SZqianyuguangxue/637309445611298828/7553992.png"></div><p style="text-indent:25px">偏光板的制作有延伸法及涂布法，其中延伸法是主流工藝。偏光片生產(chǎn)技術(shù)以PVA膜的延伸工藝劃分，有干法和濕法兩大類。干法是指PVA膜是在具有一定溫度和濕度條件的蒸汽環(huán)境下進(jìn)行延伸，早期使用的目的是可以提高工藝的生產(chǎn)效率，使用幅寬較大的PVA膜進(jìn)行生產(chǎn)而不至于經(jīng)常斷膜。但這種工藝的局限性在于PVA膜在延伸過程中的均勻性受到限制，因此所形成的偏光片原膜的復(fù)合張力、色調(diào)的均勻性和耐久性不易穩(wěn)定，因而實(shí)際應(yīng)用較少。濕法是指PVA膜是在一定配比的液體中進(jìn)行染色、拉伸的工藝方法。這種工藝早期的局限性在于PVA膜在液體中延伸的穩(wěn)定控制難度較大，因此加工時(shí)PVA膜容易斷膜，且PVA膜的幅寬受到限制。但隨著改進(jìn)，濕法工藝的局限性已得到極大的改進(jìn)。從20世紀(jì)90年代末起，日本偏光片企業(yè)已普遍采用幅寬1330mm的TAC膜用濕法工藝。特別是由于大尺寸TFT-LCD產(chǎn)品的大規(guī)模普及，為提高偏光片產(chǎn)品的利用率，以1330mm基本寬度已成為液晶用偏光片生產(chǎn)的基本方法。</p><p style="text-indent:25px">近年來背光光學(xué)膜片有重大的變革，其中變化**多的應(yīng)屬將擴(kuò)散膜、棱鏡片、偏極增亮膜、導(dǎo)光板等多項(xiàng)功能合并設(shè)計(jì)，成為復(fù)合化、一體化以及特殊化之新型式光學(xué)膜片。先進(jìn)廠商利用既有產(chǎn)品加以改良，結(jié)合各項(xiàng)光學(xué)膜功能，制作出多功能的光學(xué)膜片;亦有新進(jìn)者試圖運(yùn)用新的光學(xué)設(shè)計(jì)與新技術(shù)，開發(fā)整合型的光學(xué)膜。整合型光學(xué)膜改進(jìn)了以往單一膜片單一功能之多膜片模組架構(gòu)，藉此減少膜片的使用數(shù)量，并降低總體成本，是廠商一致認(rèn)為光學(xué)膜片未來的發(fā)展趨勢。自3M開始推出多功能光學(xué)膜、MNtech于2005年6月開始量產(chǎn)UTE產(chǎn)品并交貨給三星，整合型光學(xué)膜開始進(jìn)入市場。爾后，在廠商陸持續(xù)改良品質(zhì)(如增加Lens密度及光輝度)，陸續(xù)推出新產(chǎn)品外，也見到新加入者如SKC、Shinwha等加入市場行列，目前市場競爭雖尚屬萌芽階段，但仍可見到市場上每增加1家新進(jìn)者，價(jià)格就會(huì)有5%~10%不等的下降幅度。而隨著面板廠將傳統(tǒng)的光學(xué)膜組成模式由上擴(kuò)散膜+BEF+下擴(kuò)散膜改成兩張MicrolensFilm+下擴(kuò)散膜，雖然表面輝度下降許多，然而在成本價(jià)格掛帥的中低階LCDTV市場中已成為趨勢。相位差測亮范圍: 0-20000nm 相位差重復(fù)性精度: 3σ≤ 0.1 nm。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="江蘇口碑好軸角度測試儀,軸角度測試儀" src="https://tyunfile.71360.com/UploadFile/SZqianyuguangxue/637309444454531250/9486399.png"></div><p style="text-indent:25px"> 以PVA膜染色方法劃分，偏光片有碘染色法和染料染色法兩種工藝。碘染色法是指在偏光片染色、拉伸過程中，使用碘和碘化鉀作為二向性介質(zhì)使PVA膜產(chǎn)生極性化偏光特性。優(yōu)點(diǎn)是比較容易獲得99.9%以上的高偏光度和42%以上高透過率的偏光特性。所以在早期的偏光材料產(chǎn)品或需要高偏光、高透過特性的偏光材料產(chǎn)品中大多都采用碘染色工藝進(jìn)行加工。但這種工藝的不足之處就是由于碘的分子結(jié)構(gòu)在高溫高濕的條件下易于破壞，因此使用碘染色工藝生產(chǎn)的偏光片耐久性較差，一般只能滿足干溫：80℃×500HR，濕熱：60℃×90%RH×500HR以下的工作條件使用。但隨著LCD產(chǎn)品范圍的擴(kuò)大，對偏光產(chǎn)品的濕熱工作條件的要求越來越苛刻，已經(jīng)出現(xiàn)在100℃和90%RH條件下工作的偏光片需求。對這種要求，碘染色工藝就無能為力了。相位差R0 定義：在XY方向光的行進(jìn)距離會(huì)產(chǎn)生差異，平面方向的相位差（R0）。江蘇軸角度測試儀口碑推薦</p><p style="text-indent:25px">狹縫:可選擇狹縫寬度(25um、 50um、100um、 200um )。江蘇口碑好軸角度測試儀</p><p> 由于偏光片是面板**外層的膜，所以要添加保護(hù)膜。此外，許多光學(xué)特性亦被加注在TAC膜/偏光片上。單純不具備任何光學(xué)功能的TAC膜一般稱為normal-TAC，*被賦予支撐PVA的功能。**外層的TAC膜，需增加防眩AG、抗/減反射AR/LR處理等，以改善屏幕在外界強(qiáng)光環(huán)境下的顯像品質(zhì)。AG處理是將微粒子分散在樹脂內(nèi)，利用微粒子的大小與覆膜制程控制表面凹凸形狀;AR處理是在偏光膜片的表面堆疊誘電體薄膜-多層光學(xué)干涉層，方法主要有涂布和真空蒸鍍(金屬膜)。廣視角TAC膜(WVTAC)多用于LCD監(jiān)視器及NB，被FUJIFILM寡占，不但價(jià)格昂貴而且取得不易。 </p> <p> 在制造工藝上，光學(xué)干涉層的制造方法分干式和濕式法;干式包括真空蒸鍍法、濺射法，在顯示器上應(yīng)用的多是表面物性強(qiáng)的金屬氧化物薄膜。干式法原來一直采用間歇處理，近年來也應(yīng)用了連續(xù)處理薄膜的方法，但是設(shè)備成本高，生產(chǎn)性低，價(jià)格非常高。濕式法有旋轉(zhuǎn)涂布、浸潰涂布等間歇處理和凹版印刷涂布、輥筒式、擠出式等連續(xù)處理。旋轉(zhuǎn)涂布、浸漬涂布一直用于CRT的AR處理，隨著各種顯示器不斷平板化，對光學(xué)膜需求增加，降低成本的要求日益增強(qiáng)。通過連續(xù)處理的涂布法涂布的光學(xué)膜成本低，供給能力強(qiáng)等。江蘇口碑好軸角度測試儀</p><p style="text-indent:25px">蘇州千宇光學(xué)科技有限公司創(chuàng)立于2019-10-30，是一家其他型公司。千宇光學(xué)科技致力于為客戶提供質(zhì)量的[ "高低溫光電綜合系統(tǒng)", "彎折機(jī)", "", "" ]，一切以用戶需求為中心,深受廣大客戶的歡迎。公司將不斷增強(qiáng)企業(yè)核心競爭力，努力學(xué)習(xí)行業(yè)先進(jìn)知識，遵守行業(yè)規(guī)范，植根于機(jī)械及行業(yè)設(shè)備行業(yè)的發(fā)展。公司憑借深厚技術(shù)支持，年?duì)I業(yè)額度達(dá)到2000-3000萬元，并與多家行業(yè)**公司建立了緊密的合作關(guān)系。</p></p><br /><p>文章來源地址: http://www.cdcfah.com/cp/982800.html</p></div></div></div></div></div><div id="vqg8tfm" class="page-right twoColRt"><div id="k8eqmx8" class="box01 margin10 clearfix"><h3><a href="http://www.cdcfah.com/cp/">猜你喜歡</a></h3><div id="qw8f2pq" class="recomPic likePro"><a href="http://www.cdcfah.com/cp/814588.html"><div><img src="http://tyunfile.71360.com/UpLoadFile/2019/11/1/14/637082168864691056_lgpj_5374157.jpg" alt="福建ZF配件哪家強(qiáng) 信息推薦自業(yè)物資供應(yīng)" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></div><p>福建ZF配件哪家強(qiáng) 信息推薦自業(yè)物資供應(yīng)</p></a></div><div id="kiesdev" class="recomPic likePro"><a href="http://www.cdcfah.com/cp/846569.html"><div><img 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