Disclosed are an optical member and a display device having the same. The optical member includes a first substrate, a plurality of wavelength conversion parts provided on the first substrate while being spaced apart from each other, and a sealing layer on a top surface of the wavelength conversion parts and at a lateral side of the wavelength conversion parts. Each of the wavelength conversion parts includes a host on the first substrate, and a plurality of wavelength conversion particles in the host.

Disclosed are an optical member and a display device having the same. The optical member includes a first substrate, a plurality of wavelength conversion parts provided on the first substrate while being spaced apart from each other, and a sealing layer on a top surface of the wavelength conversion parts and at a lateral side of the wavelength conversion parts. Each of the wavelength conversion parts includes a host on the first substrate, and a plurality of wavelength conversion particles in the host.

A vacuum insulated glazing unit comprising a first glass sheet and a second glass sheet separated by a gap, with one or more support structures arranged in said gap, and a side seal arranged near the periphery of said glass sheets and enclosing said gap, wherein one of said glass sheets comprises an evacuation hole and an evacuation member, and a sealing material providing a hermetic seal between the evacuation member and said glass sheet, and the sealing material having a sealing material surface extending between a first intersection defined between a surface of the glass sheet and the sealing material surface and a second intersection defined between the evacuation member and the sealing material surface, wherein said sealing material surface at the first intersection has a first contact angle defined between said sealing material surface and the surface of the glass sheet, which first contact angle is below 40 degrees.

The purpose of the present invention is to provide a lead-free glass composition in which crystallization is suppressed and which has a low softening point. This lead-free glass composition is characterized by containing silver oxide, tellurium oxide and vanadium oxide, and further containing at least one compound selected from among yttrium oxide, lanthanum oxide, cerium oxide, erbium oxide, ytterbium oxide, aluminum oxide, gallium oxide, indium oxide, iron oxide, tungsten oxide and molybdenum oxide as an additional component, and in that the content values (mol %) of silver oxide, tellurium oxide and vanadium oxide satisfy the relationships Ag.sub.2O>TeO.sub.2V.sub.2O.sub.5 and Ag.sub.5O2V.sub.2O.sub.5 when calculated in terms of the oxides, and in that the content of TeO.sub.2 is 25-37 mol. %.

The purpose of the present invention is to provide a lead-free glass composition in which crystallization is suppressed and which has a low softening point. This lead-free glass composition is characterized by containing silver oxide, tellurium oxide and vanadium oxide, and further containing at least one compound selected from among yttrium oxide, lanthanum oxide, cerium oxide, erbium oxide, ytterbium oxide, aluminum oxide, gallium oxide, indium oxide, iron oxide, tungsten oxide and molybdenum oxide as an additional component, and in that the content values (mol %) of silver oxide, tellurium oxide and vanadium oxide satisfy the relationships Ag.sub.2O>TeO.sub.2V.sub.2O.sub.5 and Ag.sub.5O2V.sub.2O.sub.5 when calculated in terms of the oxides, and in that the content of TeO.sub.2 is 25-37 mol. %.

A vacuum insulated glazing unit comprising a first glass sheet and a second glass sheet separated by a gap, with one or more support structures arranged in said gap, and a side seal arranged near the periphery of said glass sheets and enclosing said gap, wherein one of said glass sheets comprises an evacuation hole and an evacuation member, and a sealing material providing a hermetic seal between the evacuation member and said glass sheet, and the sealing material having a sealing material surface extending between a first intersection defined between a surface of the glass sheet and the sealing material surface and a second intersection defined between the evacuation member and the sealing material surface, wherein said sealing material surface at the first intersection has a first contact angle defined between said sealing material surface and the surface of the glass sheet, which first contact angle is below 40 degrees.

The present invention aims at providing a lead-free glass composition that can be soften and flowed at a firing temperature that is equal to or lower than that of conventional low melting point lead glass. Furthermore, the present invention aims at providing a lead-free glass composition having fine thermal stability and fine chemical stability in addition to that property. The lead-free glass composition according to the present invention is characterized by comprising at least Ag.sub.2O, V.sub.2O.sub.5 and TeO.sub.2 when the components are represented by oxides, wherein the total content ratio of Ag.sub.2O, V.sub.2O.sub.5 and TeO.sub.2 is 75 mass % or more. Preferably, the lead-free glass composition comprises 10 to 60 mass % of Ag.sub.2O, 5 to 65 mass % of V.sub.2O.sub.5, and 15 to 50 mass % of TeO.sub.2.

The present invention aims at providing a lead-free glass composition that can be soften and flowed at a firing temperature that is equal to or lower than that of conventional low melting point lead glass. Furthermore, the present invention aims at providing a lead-free glass composition having fine thermal stability and fine chemical stability in addition to that property. The lead-free glass composition according to the present invention is characterized by comprising at least Ag.sub.2O, V.sub.2O.sub.5 and TeO.sub.2 when the components are represented by oxides, wherein the total content ratio of Ag.sub.2O, V.sub.2O.sub.5 and TeO.sub.2 is 75 mass % or more. Preferably, the lead-free glass composition comprises 10 to 60 mass % of Ag.sub.2O, 5 to 65 mass % of V.sub.2O.sub.5, and 15 to 50 mass % of TeO.sub.2.

The purpose of the present invention is to provide a lead-free glass composition in which crystallization is suppressed and which has a low softening point. This lead-free glass composition is characterized by containing silver oxide, tellurium oxide and vanadium oxide, and further containing at least one compound selected from among yttrium oxide, lanthanum oxide, cerium oxide, erbium oxide, ytterbium oxide, aluminum oxide, gallium oxide, indium oxide, iron oxide, tungsten oxide and molybdenum oxide as an additional component, and in that the content values (mol %) of silver oxide, tellurium oxide and vanadium oxide satisfy the relationships Ag.sub.2O>TeO.sub.2?V.sub.2O.sub.5 and Ag.sub.5O?2V.sub.2O.sub.5 when calculated in terms of the oxides, and in that the content of TeO.sub.2 is 25-37 mol. %.

A deposition mask comprises a mask frame having an open window defined in a center thereof, a first mask sheet placed on the mask frame and including a plurality of open regions and a separation region which separates the open regions, and a second mask sheet placed on the first mask sheet and including a first aperture portion in a region which contacts the separation region of the first mask sheet.