Flat uv lamp with coplanar discharge and uses thereof

Details Flat uv lamp with coplanar discharge and uses thereof Flat uv lamp with coplanar discharge and uses thereof

H - Electricity

01

J

H01J 65/04 (2006.01) H01J 61/067 (2006.01) H01J 61/30 (2006.01)

Patent

CA 2619669

The invention concerns a flat lamp (1) transmitting an ultraviolet radiation (UV), comprising: first and second flat or substantially flat glass elements (2, 3) maintained substantially mutually parallel and delimiting an internal space filled with gas (10) capable of emitting said UV radiation or of exciting a phosphorous material optionally present and emitting said UV radiation, said phosphorous material being then arranged on one surface of the first and/or of the second glass element, the first and/or second glass element (2, 3) being made of a material transmitting said UV radiation; a plurality of pairs of electrodes (41, 51) capable of being at different potentials and of being powered by an alternating voltage, said pairs being associated with the first glass element and arranged outside the internal space, the electrodes being in the form of strips and/or wires in the first glass element or in another dielectric element associated with the first glass element. The invention also concerns the uses of said lamp.

L'invention concerne une lampe plane (1 ) transmettant un rayonnement dans l'ultraviolet dit UV, comprenant : - des premier et deuxième éléments verriers plans (2, 3) ou sensiblement plans maintenus sensiblement parallèles entre eux et délimitant un espace interne rempli de gaz (10) susceptible d'émettre ledit rayonnement dans l'UV ou d'exciter un matériau luminophore éventuellement présent et émettant ledit rayonnement dans l'UV, ledit matériau luminophore étant alors disposé sur une face du premier et/ou du deuxième élément verrier, le premier et/ou le deuxième élément verrier (2, 3) étant en un matériau transmettant ledit rayonnement UV - une pluralité de paires d'électrodes (41, 51 ) susceptibles d'être à des potentiels distincts et d'être alimentées par une tension alternative, lesdites paires étant associées au premier élément verrier et disposées en dehors de l'espace interne, des électrodes étant sous forme de bandes et/ou de fils dans le premier élément verrier ou dans un autre élément diélectrique associé au premier élément verrier. L'invention concerne aussi ses utilisations.

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