G - Physics – 02 – F
Patent
G - Physics
02
F
345/8
G02F 1/1343 (2006.01) G02F 1/1335 (2006.01) G02F 1/1368 (2006.01)
Patent
CA 2040305
Material obtained by reducing indium-tin-oxide is used as a shading material, for example, between picture elements of a liquid crystal display. As ITO is reduced, its light transmission diminishes to a low enough level for the product to be used as a shading material. ITO is widely utilized as a transparent electrode material in a liquid crystal display. Because the region adjacent to the transparent electrodes each of which composes a picture element electrode is generally where the shading is needed, the necessary shading member may be formed by reducing the region of ITO which is not protected with a mask, while protecting the ITO region which is to be used as the transparent electrode. Because this shading member is to exist in a single layer film of ITO, no difference in level occurs between the shading member and the transparent electrode. In addition, there is no need to separately form a film for forming the shading member, enabling the number of manufacturing steps to be reduced.
International Business Machines Corporation
Saunders Raymond H.
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