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公开(公告)号：KR1020110078006A
公开(公告)日：2011-07-07
申请号：KR1020090134712
申请日：2009-12-30
Applicant: 제일모직주식회사
IPC: G02B5/02 , G02F1/1335 , C08J5/18
Abstract: PURPOSE: A light diffusion plate of liquid crystal display is provided to check wavelength range in which transparent resin accomplishing the light diffusion plate for the back light unit of the liquid crystal display device is vulnerable, and to improve light-proof on ultraviolet ray by applying UV stabilizer showing relatively superior absorption ability on vulnerable wavelength range. CONSTITUTION: The benzotriazole based first UV stabilizer includes 0.05 to 1.00 parts by weight having polycarbonate resin 100 parts by weight standard and absorbs the ultraviolet ray of 280nm to 300nm wavelength range more superior than other wavelength range. The triazine based second UV stabilizer includes 0.05 to 1.00 parts by weight having polycarbonate resin 100 parts by weight standard and absorbs the ultraviolet ray of 300nm to 320nm wavelength range more superior than other wavelength range. The light diffusion plate(100) uses co-extruder and co-extrudes the base layer(110) and skin layer(120). The surface of the base layer is formed in flat surface or having pattern of lenticular shape of elliptic shape, embossing shape, prism shape etc.
Abstract translation: 目的：提供一种液晶显示器的光漫射板，用于检测实现液晶显示装置的背光单元的光散射板的透明树脂易受影响的波长范围，并且通过施加紫外线来改善防紫外线 UV稳定剂在易受波长范围内显示出相对优异的吸收能力。 构成：基于苯并三唑的第一UV稳定剂包含0.05至1.00重量份的聚碳酸酯树脂100重量份标准，并且吸收比其他波长范围更优越的280nm至300nm波长范围的紫外线。 基于三嗪的第二UV稳定剂包括0.05至1.00重量份的聚碳酸酯树脂100重量份标准，并且吸收比其它波长范围更优越的300nm至320nm波长范围的紫外线。 光漫射板（100）使用共挤出机并共挤出基层（110）和表皮层（120）。 基层的表面形成为平坦的表面或具有椭圆形，压花形状，棱镜形等的透镜状图案。
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Patent Agency Ranking
公开(公告)号：KR1020100077790A
公开(公告)日：2010-07-08
申请号：KR1020080135832
申请日：2008-12-29
Applicant: 제일모직주식회사
IPC: G02B5/02 , G02F1/1335
Abstract: PURPOSE: A diffusing plate with two kinds of UV stabilizers is provided to protect the diffusing plate in a weal wavelength range and to effectively absorb a UV wavelength using the small amount of UV stabilizers. CONSTITUTION: A diffusing plate(100) with two kinds of UV stabilizers is composed as follows. Skin layers(120) are formed on both surfaces of a base layer(110). A first coating layer with a UV stabilizer is formed by adding a first diffusing agent(115) to the base layer. A second coating layer with a UV stabilizer is formed by adding a second diffusing agent(125) to the skin layers.
Abstract translation: 目的：提供具有两种紫外线稳定剂的扩散板，以保护漫射板在波长范围内，并使用少量紫外线稳定剂有效吸收紫外线波长。 构成：具有两种UV稳定剂的扩散板（100）组成如下。 皮肤层（120）形成在基层（110）的两个表面上。 通过向第一层添加第一扩散剂（115）形成具有UV稳定剂的第一涂层。 通过向皮肤层中加入第二扩散剂（125）形成具有UV稳定剂的第二涂层。
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公开(公告)号：KR101127106B1
公开(公告)日：2012-04-30
申请号：KR1020090134712
申请日：2009-12-30
Applicant: 제일모직주식회사
IPC: G02B5/02 , G02F1/1335 , C08J5/18
Abstract: PURPOSE: A light diffusion plate of liquid crystal display is provided to check wavelength range in which transparent resin accomplishing the light diffusion plate for the back light unit of the liquid crystal display device is vulnerable, and to improve light-proof on ultraviolet ray by applying UV stabilizer showing relatively superior absorption ability on vulnerable wavelength range. CONSTITUTION: The benzotriazole based first UV stabilizer includes 0.05 to 1.00 parts by weight having polycarbonate resin 100 parts by weight standard and absorbs the ultraviolet ray of 280nm to 300nm wavelength range more superior than other wavelength range. The triazine based second UV stabilizer includes 0.05 to 1.00 parts by weight having polycarbonate resin 100 parts by weight standard and absorbs the ultraviolet ray of 300nm to 320nm wavelength range more superior than other wavelength range. The light diffusion plate(100) uses co-extruder and co-extrudes the base layer(110) and skin layer(120). The surface of the base layer is formed in flat surface or having pattern of lenticular shape of elliptic shape, embossing shape, prism shape etc.
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公开(公告)号：KR101035872B1
公开(公告)日：2011-05-19
申请号：KR1020080129189
申请日：2008-12-18
Applicant: 제일모직주식회사
Abstract: 액정 표시 장치의 백라이트 유닛용 다층 광확산판이 제공된다. 본 발명에 따른 다층 광확산판은 스티렌계 수지 100중량부에 대하여 실록산계 광확산제 0.1~10중량부, 아크릴계 광확산제 0.01~20중량부 및 자외선 흡수제 0.1~10중량부를 포함하는 제1수지조성물로 형성된 기재층 및 상기 기재층의 적어도 하나의 면에 적층되며, 스티렌계 수지를 공중합시킨 메타크릴산 메틸계 수지 100중량부에 대하여 아크릴계 광확산제 0.1~30중량부를 포함하는 제2수지조성물로 형성된 도포층으로 이루어진다.
본 발명에 따른 다층 광확산판은 저가이면서 수분흡수 및 휨 특성이 우수한 스티렌계 수지를 기재층의 기초 수지로 하고, 스티렌계 수지와 상용성이 우수한 아크릴계 광확산제를 첨가하여, 매트릭스와 광확산제의 밀착성을 좋게 하여 깨짐(Crack) 및 충격을 보강할 수 있다. 또한, 스티렌계 수지를 공중합시킨 메타크릴산 메틸계 수지를 도포층의 기초수지로 함으로써 기재층과의 박리현상을 방지할 수 있다.-
公开(公告)号：KR1020100070580A
公开(公告)日：2010-06-28
申请号：KR1020080129189
申请日：2008-12-18
Applicant: 제일모직주식회사
Abstract: PURPOSE: A multi-layered light diffuser plate with excellent impact resistance, a back light unit and a liquid crystal display apparatus using the same are provided to prevent a delamination phenomenon between a base material layer and a coating layer by forming the coating layer with a methyl methacrylate-based resin in which a styrene resin is copolymerized. CONSTITUTION: A base material layer(110) is formed with a first resin composition. A coating layer(120) is formed with a second resin composition. The coating layer is stacked on the base material layer. The first resin composition includes 0.1 to 10 parts by weight of siloxane-based light-diffusing agent, 0.01 to 20 parts by weight of acryl-based light-diffusing agent, and 0.01 to 20 parts by weight of ultraviolet-absorbing agent, with respect to 100 parts by weight of styrene-based resin. The second resin composition includes 0.1 to 30 parts by weight of acryl-based light-diffusing agent, with respect to 100 parts by weight of a methyl methacrylate-based resin.
Abstract translation: 目的：提供具有优异抗冲击性的多层光漫射板，背光单元和使用该多层光扩散板的液晶显示装置，以通过以下方式形成涂层来防止基材层与涂层之间的分层现象 苯乙烯树脂共聚合的甲基丙烯酸甲酯系树脂。 构成：用第一树脂组合物形成基材层（110）。 涂层（120）由第二树脂组合物形成。 涂层层叠在基材层上。 第一树脂组合物包含0.1至10重量份的硅氧烷基光漫射剂，0.01至20重量份的基于丙烯酸的光漫射剂和0.01至20重量份的紫外线吸收剂，相对于 至100重量份的苯乙烯基树脂。 相对于100重量份的甲基丙烯酸甲酯系树脂，第二树脂组合物含有0.1〜30重量份的基于丙烯酸的光扩散剂。
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公开(公告)号：KR101038660B1
公开(公告)日：2011-06-02
申请号：KR1020080135832
申请日：2008-12-29
Applicant: 제일모직주식회사
IPC: G02B5/02 , G02F1/1335
Abstract: 본 발명은 베이스층의 양면에 스킨층이 형성된 3층 구조의 확산판에 관한 것으로, 보다 상세하게는 코어-쉘 타입으로 되어 있는 확산제의 코팅층에 UV 안정제를 함유하여 소량의 UV 안정제로 효과적인 UV 파장 차단이 가능하도록 한 확산판에 관한 것이다.
본 발명은 베이스층의 양면에 스킨층이 형성되는 3층 구조의 확산판; 상기 베이스층에 첨가되며 벤조트라이아졸계 UV안정제를 포함하는 코팅층이 형성된 제 1 확산제; 및 상기 스킨층에 첨가되며 옥사닐라이드계 UV안정제를 포함하는 코팅층이 형성된 제 2 확산제를 포함하는 확산판을 제공한다.
본 발명은 확산제를 사용한 확산판에 관한 것으로, 코어-쉘 타입 확산제의 쉘층(코팅층)에 UV안정제를 함유하여, 소량의 UV안정제를 이용하여 효과적인 UV파장의 차단이 가능하도록 하는 확산판을 제공한다.
확산판, 확산제, UV안정제
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