Front side glass substrate for display and display device

H - Electricity – 01 – J

Patent

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Details

H01J 11/02 (2006.01) H01J 9/02 (2006.01) H01J 17/16 (2006.01) H01J 17/49 (2006.01) H01J 29/86 (2006.01) H01J 31/12 (2006.01)

Patent

CA 2404826

A front side glass substrate for display tube, wherein a plurality of grooves (2) having a generally V-shaped same cross section and a generally flat head part are formed in one surface of a glass substrate (1) parallel with each other at specified intervals, and fluorescent body layers (3) are coated on the head parts and inner wall surfaces of the plurality of grooves (2), whereby the coated amount of fluorescent body in the grooves can be increased, the light beam of the fluorescent body emitted from the side faces of the grooves with increased amount of fluorescent body coated thereon can be radiated efficiently to a front side, and the brightness and luminous efficiency of the glass substrate can be increased.

L'invention concerne un substrat de verre frontal pour tube d'affichage dans lequel plusieurs entailles (2) ayant une forme générale en V de la même section et une partie tête généralement plate sont formées sur une surface d'un substrat de verre (1), parallèles et à des intervalles prédéterminés, et les couches de corps fluorescentes (3) sont munies d'un revêtement sur la surface des parties de tête et des parois internes des entailles (2). On peut augmenter la quantité de matière de revêtement du corps fluorescent dans les entailles. On peut émettre efficacement vers un côté latéral le faisceau lumineux du corps fluorescent, émis de l'un des côtés des entailles comportant une plus grande quantité de matière de revêtement du corps fluorescent et augmenter ainsi la luminosité, de même que l'efficacité lumineuse, du substrat de verre.

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