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Dive into the research topics where Isao Shiroishi is active.

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Featured researches published by Isao Shiroishi.


Proceedings of SPIE, the International Society for Optical Engineering | 2010

Plastic substrate technologies for flexible displays

Toru Hanada; Isao Shiroishi; Tuyoto Negishi; Takashi Shiro

A novel plastic substrate for flexible displays was developed. The substrate consisted of a polycarbonate (PC) base film coated with a gas barrier layer and a transparent conductive thin film. PC with ultra-low intrinsic birefringence and high temperature dimensional stability was developed for the base film. The retardation of the PC base film was less than 1 nm at a wavelength of 550 nm (film thickness, 120 μm). Even at 180 °C, the elastic modulus was 2 GPa, and thermal shrinkage was less than 0.01%. The surface roughness of the PC base film was less than 0.5 nm. A silicon oxide (SiOx) gas barrier layer was deposited on the PC base film by a DC magnetron reactive sputtering method. In addition, a unique organic-inorganic hybrid material is coated on the SiOx to further improve the gas-barrier performance. The water vapor transmission rate of the film was less than 0.05 g/m2/day at 40 °C and 100% relative humidity (RH), and the permeation of oxygen was less than 0.05 cc/m2•day•atm at 40 °C and 90% RH. Indium Zinc Oxide optimized for the plastic substrate was deposited on the other side of the SiOx film by the DC magnetron sputtering method. The transmittance was 87% and the resistivity was 3.5×10-4 ohm•cm.


Archive | 1999

Liquid crystal display component and transparent conductive substrate suitable for the same

Toru Hanada; Isao Shiroishi; Hitoshi Mikoshiba; Toshiaki Yatabe


Archive | 2003

Transparent conductive laminate, touch panel and liquid crystal display unit with touch panel

Hitoshi Mikoshiba; Haruhiko Ito; Isao Shiroishi


Archive | 2005

Transparent Conductive Laminated Body and Transparent Touch-Sensitive Panel

Hiroshi Hara; Haruhiko Itoh; Isao Shiroishi; Hitoshi Mikoshiba


Thin Solid Films | 2010

Plastic substrate with gas barrier layer and transparent conductive oxide thin film for flexible displays

Toru Hanada; Tuyoto Negishi; Isao Shiroishi; Takashi Shiro


Archive | 2004

Transparent Conductive Laminate and Transparent Touch Panel Comprising the Same

Isao Shiroishi; Haruhiko Ito; Hitoshi Mikoshiba


Archive | 2005

Transparent gas-barrier layered film

Hiroshi Hara; Haruhiko Ito; Isao Shiroishi


Archive | 2003

Transparent conductive laminate, touch panel and touch panel-equipped liquid crystal display

Hitoshi Mikoshiba; Haruhiko Ito; Isao Shiroishi


Archive | 1999

Liquid crystal device and transparent conductive substrate preferable to the same

Toru Hanada; Isao Shiroishi; Hitoshi Mikoshiba; Toshiaki Yatabe


Archive | 2008

Liquid crystal device and transparent conductive substrate suitable for the same

Toru Hanada; Isao Shiroishi; Hitoshi Mikoshiba; Toshiaki Yatabe

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