IMAGE DISPLAY AND METHOD FOR EVALUATING GLASS SUBSTRATE TO BE USED IN SAME

WIPO Patent Application WO/2004/051606

A1

An image display which can display a good image by preventing yellowing of a glass substrate is disclosed. A method for evaluating a glass substrate to be used in such an image display is also disclosed. The image display is constituted using a glass plate having a reflectance of 5 % or less at a wavelength of 220 nm. In the method for evaluating a glass substrate to be used in the image display, the amount of Sn⁺⁺ in the glass substrate is analyzed using the reflectance of the glass substrate at the wavelength of 220 nm.

Adachi, Daisuke (1-3-7, Higashitsutsujigaokaakebonodai Kameoka-shi, Kyoto, 621-0833, JP)
Tsuji, Hiroyasu (3-1115-5, Noda Kumatori-ch, Sennan-gun Osaka, 590-0451, JP)
Sumida, Keisuke (3-1-23, Nagaotanimachi Hirakata-shi, Osaka, 573-0164, JP)

PCT/JP2003/015123

June 17, 2004

November 27, 2003

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MATSUSHITA ELECTRIC INDUSTRIAL CO., LTD. (1006, Oaza Kadoma Kadoma-shi, Osaka, 571-8501, JP)
Adachi, Daisuke (1-3-7, Higashitsutsujigaokaakebonodai Kameoka-shi, Kyoto, 621-0833, JP)
Tsuji, Hiroyasu (3-1115-5, Noda Kumatori-ch, Sennan-gun Osaka, 590-0451, JP)
Sumida, Keisuke (3-1-23, Nagaotanimachi Hirakata-shi, Osaka, 573-0164, JP)

H01J17/16; H01J17/49; (IPC1-7): G09F9/30; H01J17/16; G01N21/33

Iwahashi, Fumio c/o Matsushita Electric Industrial Co. Ltd. (1006, Oaza Kadom, Kadoma-shi Osaka, 571-8501, JP)

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