Nippon Electric Glass Co., Ltd.

Naoki Fujita

Takashi Murata

Shinsaku Nishida

Tadahito Furuyama

Shunsuke Fujita

Atsuki Saito

Masaaki Kadomi

Masaru Iwao

Tamio Ando

Hiroyuki Shimizu

Tomoko Enomoto

A decorative glass article contains: in mol %, 10% to 70% of LaO, 10% to 90% of NbO, 0% to 40% of BO, and 0% to 50% of TiO, wherein a refractive index is 2.0 or more and an Abbe number is 50 or less.

Decorative glass article

A glass material less likely to cause inconveniences, such as crystallization and the generation of devitrified matters, while holding desired optical properties, has a refractive index of 1.8 or more and a content of AlOof over 0 to 500 mass ppm.

Glass material

Provided is a wavelength conversion member that is less decreased in luminescence intensity with time by irradiation with light of an LED or LD and a light emitting device using the wavelength conversion member. A wavelength conversion member is formed of an inorganic phosphor dispersed in a glass matrix, wherein the glass matrix contains, in % by mole, 30 to 85% SiO, 4.3 to 20% BO, 0 to 25% AlO, 0 to 3% LiO, 0 to 3% NaO, 0 to 3% KO, 0 to 3% LiO+NaO+KO, 0 to 35% MgO, 0 to 35% CaO, 0 to 35% SrO, 0 to 35% BaO, 0.1 to 45% MgO+CaO+SrO+BaO, and 0 to 5% ZnO, and the inorganic phosphor is at least one selected from the group consisting of an oxide phosphor, a nitride phosphor, an oxynitride phosphor, a chloride phosphor, an oxychloride phosphor, a halide phosphor, an aluminate phosphor, and a halophosphate phosphor.

Wavelength conversion member, and light emitting device using same

Provided is a wavelength conversion member that is less decreased in luminescence intensity with time by irradiation with light of an LED or LD and a light emitting device using the wavelength conversion member. A wavelength conversion member is formed of an inorganic phosphor dispersed in a glass matrix, wherein the glass matrix contains, in % by mole, 30 to 85% SiO, 0 to 20% BO, 0 to 25% AlO, 0 to 3% LiO, 0 to 3% NaO, 0 to 3% KO, 0 to 3% LiO+NaO+KO, 0 to 35% MgO, 0 to 35% CaO, 0 to 35% SrO, 0 to 35% BaO, 0.1 to 45% MgO+CaO+SrO+BaO, and 0 to 4% ZnO, and the inorganic phosphor is at least one selected from the group consisting of an oxide phosphor, a nitride phosphor, an oxynitride phosphor, a chloride phosphor, an oxychloride phosphor, a halide phosphor, an aluminate phosphor, and a halophosphate phosphor.

A cover member for an input device is disposed on a front-surface side of a display device in the input device includes recesses and protrusions on at least one principal surface. In the principal surface having recesses and protrusions, when a cutoff value for a high-pass filter &#x3bb;c is set to 1.6 times the pitch of the recesses and protrusions of a measured cross-sectional curve and a cutoff value for a low-pass filter &#x3bb;s is set to 25 &#x3bc;m, the maximum roughness height Rz of the recesses and protrusions is 3-1000 nm and the pitch RSm of the recesses and protrusions is 50-1000 &#x3bc;m, and when the cutoff value of the high-pass filter &#x3bb;c is set to 25 &#x3bc;m, the three-dimensional arithmetic mean height Sa of the recesses and protrusions is 1-50 nm and the pitch RSm of the recesses and protrusions is 0.01-10 &#x3bc;m.

Cover member for input pen device, and input pen device

Provided are a top panel for a tactile sensation display device and a tactile sensation display device that are capable of enhancing the expressiveness of tactile sensation. A top panelfor a tactile sensation display device is for use in a tactile sensation display deviceand has an internal friction of 1.0&#xd7;10or less.

Top panel for tactile sensation display device, and tactile sensation display device

Provided are a wavelength conversion member and a wavelength conversion element which are capable of reducing the decrease in luminescence intensity with time and the melting of a component material when irradiated with light of a high-power LED or LD, and a light emitting apparatus using the wavelength conversion member or the wavelength conversion element. A wavelength conversion member contains, in % by mass, 70 to 99.9% inorganic phosphor particles and 0.1 to 30% easily sinterable ceramic particles, wherein the easily sinterable ceramic particles are interposed between the inorganic phosphor particles and the inorganic phosphor particles are bound together by the easily sinterable ceramic particles.

Wavelength conversion member, wavelength conversion element, and light emitting apparatus using those

Provided is a wavelength conversion member capable of reducing the decrease in luminescence intensity with time and the melting of a component material when irradiated with light of a high-power LED or LD and providing a light emitting device using the wavelength conversion member. The wavelength conversion member () includes a laminate that includes: a phosphor layer (); and light-transmissive heat dissipation layers () formed on both surfaces of the phosphor layer () and having a higher thermal conductivity than the phosphor layer ().

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Otsu, Japan

Naoki Fujita