发明授权
US08405794B2 Light diffusing element, polarizing plate with light diffusing element, liquid crystal display apparatus using both, and manufacturing method for light diffusing element
有权
光漫射元件，具有光散射元件的偏振片，使用这两者的液晶显示装置，以及光漫射元件的制造方法
- 专利标题： Light diffusing element, polarizing plate with light diffusing element, liquid crystal display apparatus using both, and manufacturing method for light diffusing element
- 专利标题（中）： 光漫射元件，具有光散射元件的偏振片，使用这两者的液晶显示装置，以及光漫射元件的制造方法
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申请号： US13255062申请日： 2010-03-15
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公开(公告)号： US08405794B2公开(公告)日： 2013-03-26
- 发明人: Takehito Fuchida , Hiroyuki Takemoto , Shunsuke Shutou , Minoru Miyatake
- 申请人： Takehito Fuchida , Hiroyuki Takemoto , Shunsuke Shutou , Minoru Miyatake
- 申请人地址： JP Ibaraki-shi, Osaka
- 专利权人： Nitto Denko Corporation
- 当前专利权人： Nitto Denko Corporation
- 当前专利权人地址： JP Ibaraki-shi, Osaka
- 代理机构： Westerman, Hattori, Daniels & Adrian, LLP
- 优先权： JP2009-065600 20090318; JP2009-076949 20090326
- 国际申请： PCT/JP2010/054309 WO 20100315
- 国际公布： WO2010/106990 WO 20100923
- 主分类号： G02F1/1335
- IPC分类号： G02F1/1335 ; B05D5/06 ; G02B5/02
摘要：
A light diffusing element of the present invention includes: a matrix containing a resin component and an ultrafine particle component; and light diffusing fine particles dispersed in the matrix, wherein refractive indices of the resin component, the ultrafine particle component, and the light diffusing fine particles satisfy the below-indicated expression (1); and the light diffusing element comprises a concentration adjusted area, which is formed in an outer portion of a vicinity of a surface of each of the light diffusing fine particles, and in which a weight concentration of the resin component decreases and a weight concentration of the ultrafine particle component increases with increasing distance from the light diffusing fine particles: |np−nA|
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