Display panel backplate

Details Display panel backplate Display panel backplate

C - Chemistry, Metallurgy

03

C

261/1

C03C 10/02 (2006.01) C03C 10/00 (2006.01) G09F 13/22 (2006.01) H05B 33/12 (2006.01)

Patent

CA 2328315

A display panel (10) includes a frontplate (14) and a backplate (12). The backplate (12) includes a thin layer of a glass-ceramic that receives the active display material on its surface. The glass ceramic is sufficiently refractory to withstand a processing temperature of at least 850 degrees centigrade, has a termal expansion coefficient of about 4 ppm per degree centigrade, and has a predominant crystal phase selected from spinel, enstatite, alpha-quartz, sapphirine, alkaline earth metal silicates, sanbornite, cristobalite, and mixtures thereof.

Panneau d'affichage (10) qui comporte une plaque avant (14) et une plaque arrière (12). La plaque arrière (12) comprend une couche mince de vitrocéramique qui reçoit la matière d'affichage active sur sa surface. La vitrocéramique est suffisamment réfractaire pour résister à une température de traitement d'au moins 850 ·C, possède un coefficient de dilatation thermique d'environ 4 ppm par degré centigrade et possède une phase cristalline prédominante choisie parmi le spinelle, l'enstatite, le quartz alpha, la saphirine, des silicates de métaux alcalino-terreux, la sanbornite, la cristobalite et des mélanges de ces matières.

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