发明名称 Electronic device
摘要 An electronic device includes a housing and a touch sensor mounted in the housing. The touch sensor further includes a translucent panel provided in a part of the housing, a printed circuit board which senses a touch on the translucent panel by a user, a light source mounted to the printed circuit board, which irradiates light towards the translucent panel, and a diffusion sheet provided between the translucent panel and the light source, which diffuses the light irradiated from the light source. The diffusion sheet further includes a first region formed transparent to directly transmit the light, and a second region frosted to diffuse the light towards an outer peripheral portion of the translucent panel. The second region is provided at a position corresponding to the light source, and the first region is provided to surround the second region.
申请公布号 US7891828(B2) 申请公布日期 2011.02.22
申请号 US20090358087 申请日期 2009.01.22
申请人 KABUSHIKI KAISHA TOSHIBA 发明人 NAKAMURA TOSHIKATSU
分类号 G01D11/28;F21V11/00 主分类号 G01D11/28
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