TRANSPARENT PIEZOELECTRIC SHEET WITH FRAME CONTAINING TRANSPARENT PIEZOELECTRIC SHEET, TOUCH PANEL CONTAINING TRANSPARENT PIEZOELECTRIC SHEET, AND ELECTRONIC DEVICE

WIPO Patent Application WO/2011/125389

A1

Disclosed is a transparent piezoelectric sheet with a frame, which has a wider effective area, is capable of more accurate touch pressure recognition, and has low manufacturing cost and a pleasing appearance. The piezoelectric sheet with a frame comprises one transparent piezoelectric membrane containing an organic polymer, one first transparent flat-plate electrode disposed to a first principal surface of the transparent piezoelectric membrane, and one second transparent flat-plate electrode disposed to a second principal surface of the transparent piezoelectric membrane. The first transparent flat-plate electrode includes a first transparent flat-plate electrode section, and the second transparent flat-plate electrode includes a second transparent flat-plate electrode section. The outline of the second transparent electrode section includes a transparent piezoelectric sheet, which when seen in plan view is positioned inside the outline of the first transparent flat-plate electrode section, and a frame covering the periphery of the transparent piezoelectric sheet. The outline of the first transparent flat-plate electrode section when seen in plan view overlaps the whole of the frame, and the outline of the second transparent flat-plate electrode section does not overlap the frame at all.

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KODANI, Tetsuhiro (Yodogawa Plant, 1-1, Nishihitotsuya, Settsu-sh, Osaka 85, 〒5668585, JP)
小谷　哲浩 (〒85 大阪府摂津市西一津屋１番１号　ダイキン工業株式会社　淀川製作所内 Osaka, 〒5668585, JP)
KUWAJIMA, Yuuki (Yodogawa Plant, 1-1, Nishihitotsuya, Settsu-sh, Osaka 85, 〒5668585, JP)
桑嶋　祐己 (〒85 大阪府摂津市西一津屋１番１号　ダイキン工業株式会社　淀川製作所内 Osaka, 〒5668585, JP)
MUKAI, Eri (Yodogawa Plant, 1-1, Nishihitotsuya, Settsu-sh, Osaka 85, 〒5668585, JP)
向井　恵吏 (〒85 大阪府摂津市西一津屋１番１号　ダイキン工業株式会社　淀川製作所内 Osaka, 〒5668585, JP)
KOH, Meiten (Yodogawa Plant, 1-1, Nishihitotsuya, Settsu-sh, Osaka 85, 〒5668585, JP)

JP2011/054521

October 13, 2011

February 28, 2011

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DAIKIN INDUSTRIES, LTD. (Umeda Center Building, 4-12 Nakazaki-Nishi 2-Chome, Kita-ku, Osaka-sh, Osaka 23, 〒5308323, JP)
ダイキン工業株式会社 (〒23 大阪府大阪市北区中崎西２丁目４番１２号梅田センタービル Osaka, 〒5308323, JP)
ideal star inc. (6-3 Minamiyoshinari 6-chome, Aoba-ku Sendai-sh, Miyagi 04, 〒9893204, JP)
株式会社イデアルスター (〒04 宮城県仙台市青葉区南吉成六丁目６番地の３ Miyagi, 〒9893204, JP)
KODANI, Tetsuhiro (Yodogawa Plant, 1-1, Nishihitotsuya, Settsu-sh, Osaka 85, 〒5668585, JP)
小谷　哲浩 (〒85 大阪府摂津市西一津屋１番１号　ダイキン工業株式会社　淀川製作所内 Osaka, 〒5668585, JP)
KUWAJIMA, Yuuki (Yodogawa Plant, 1-1, Nishihitotsuya, Settsu-sh, Osaka 85, 〒5668585, JP)
桑嶋　祐己 (〒85 大阪府摂津市西一津屋１番１号　ダイキン工業株式会社　淀川製作所内 Osaka, 〒5668585, JP)
MUKAI, Eri (Yodogawa Plant, 1-1, Nishihitotsuya, Settsu-sh, Osaka 85, 〒5668585, JP)

G06F3/041; G01L1/16

SHINJYU GLOBAL IP (South Forest Bldg, 1-4-19 Minamimori-machi, Kita-ku, Osaka-sh, Osaka 54, 〒5300054, JP)

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