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Patent Searching and Data


Title:
FRONT PLATE FOR ONBOARD LCD DEVICE
Document Type and Number:
WIPO Patent Application WO/2017/150646
Kind Code:
A1
Abstract:
The present invention can provide a front plate for an onboard LCD device, the front plate being characterized by comprising a layer containing a high-hardness resin composition (B) on at least one side of a layer containing a resin (A) that contains a polycarbonate resin (a1), having a raised-and-recessed hard coating layer on the layer containing the high-hardness resin composition (B), and satisfying the following conditions (i) to (iv). (i) The thickness of the layer containing the high-hardness resin composition (B) is 10–250 μm, and the total thickness of the layer containing the resin (A) that contains the polycarbonate resin (a1) and the layer containing the high-hardness resin composition (B) is 100–3,000 μm. (ii) The high-hardness resin composition comprises any one of specific resin compositions (B1) to (B3). (iii) The front plate has a retardation of at least 3,000 nm. (iv) The standard deviation of the second derivative of the raised-and-recessed shape of the raised-and-recessed hard coating layer is at least 0.1.

Inventors:
TAKENAKA HIROKAZU (JP)
OOSE YASUO (JP)
GOTO TAKUYA (JP)
Application Number:
PCT/JP2017/008213
Publication Date:
September 08, 2017
Filing Date:
March 02, 2017
Export Citation:
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Assignee:
MITSUBISHI GAS CHEMICAL CO (JP)
MGC FILSHEET CO LTD (JP)
International Classes:
B29C48/18; G02F1/1333; B32B27/30; B32B27/36; C08L25/08; C08L33/06; C08L69/00; G02B1/14; G02F1/13363; G09F9/00; B29K33/04; B29K69/00; B29L7/00; B29L9/00; B29L11/00
Domestic Patent References:
WO2012049977A12012-04-19
Foreign References:
JP2011123380A2011-06-23
JP2006103169A2006-04-20
JP2010167659A2010-08-05
Other References:
See also references of EP 3425448A4
Attorney, Agent or Firm:
KOBAYASHI Hiroshi et al. (JP)
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