Nippon Electric Glass Co., Ltd.

Toto Ltd.

Masanori Wada

Hirokazu Takeuchi

Hirokazu Tanaka

Hideki Asano

Masaaki Kadomi

Sotohiro Nakajima

Akihiko Sakamoto

Osamu Odani

Masayuki Ikemoto

Takasi Akimoto

Kenichi Hoshiba

Yoshimasa Yamaguchi

Ken Kashiwadani

Toru Hirao

Nobuo Funabiki

Kazuya Saito

Tadashi Seto

Tomoaki Kawamura

Masahiro Kobayashi

Nagaharu Nakajima

Masato Inoue

Kazunari Yamamoto

Takashi Akimoto

Tomoya Iwakoshi

Kiichi Ohkubo

Chisami Ishida

Hiroshi Okumura

Azusa Tanaka

Hirokazu Takeuti

Masanao Iida

Syojirou Horibe

Masanobu Minami

Katsumi Inada

Provided is a sleeve for glass tube molding, the sleeve being capable of: preventing the weakening of clamping force between a metal tip and a metal holding fixture even if the distance between the metal tip and the metal holding fixture increases due to the thermal expansion of a sleeve shaft; and ensuring the coaxiality, on the sleeve shaft, of the metal tip, the metal holding fixture and a refractory tube. This sleeve for glass tube molding comprises: a sleeve shaft; a refractory tube into which the sleeve shaft is inserted in a coaxial manner; a metal tip which is at one end of the refractory tube, and is fixed to the tip of the sleeve shaft; and a metal holding fixture which, at the other end of the refractory tube, is slidably inserted in the sleeve shaft, and clamps and holds the sleeve shaft together with the metal tip. A part of the inner circumferential surface of a through-hole, which is in the metal holding fixture and through which the sleeve shaft is inserted, is in close contact with the outer circumferential surface of the sleeve shaft.

Sleeve for glass tube molding

This sleeve for glass tube molding is provided with: a sleeve shaft; a refractory tube into which the sleeve shaft is inserted in a coaxial manner; and a metal tip that is fixed to the tip of the sleeve shaft, and regulates movement of the refractory tube in the axial direction and towards the tip. The sleeve for glass tube molding is capable of ensuring the coaxiality of the metal tip and the refractory tube on the sleeve shaft. The metal tip comprises: an annular collar member that has a tapered outer circumferential surface of which the cross-sectional area gradually increases towards the tip of the sleeve shaft, and that is coaxially fitted to the tip of the sleeve shaft; and a main body member that has a tapered outer circumferential through-hole of which the cross-sectional area gradually increases towards the tip so as to conform to the outer circumferential surface of the collar member, and that is fitted to the collar member via the through-hole.

Sleeve for glass tube molding, and method for assembling sleeve for glass tube molding

Provided is a transparent conductive film-equipped glass substrate that, during patterning by laser of a transparent conductive film formed on an underlying glass layer, can prevent the transparent conductive film or the underlying glass layer from being discolored or damaged, and a manufacturing method thereof. A transparent conductive film-equipped glass substrateincludes a glass substrate, an underlying glass layer provided on the glass substrate, and a transparent conductive filmprovided on the underlying glass layer and subjected to patterning by laser. The underlying glass layer has an absorptance of a wavelength of the laser lower than the transparent conductive filmand higher than the glass substrate. A patterned regionformed by removing part of the transparent conductive filmby the patterning by laser includes a first linear portion, a second linear portion, and a connecting portionconnecting between the first linear portionand the second linear portion. The first linear portionand the second linear portionform an angle of 120&#xb0; or less with each other. The connecting portionhas a radius of curvature of 0.5 mm or more.

Transparent conductive film-equipped glass substrate and method for manufacturing same

With a method of cutting a tube glass (G) according to the present invention, the tube glass (G) is irradiated with laser light (L) having a focal point (F) adjusted to an inside of the tube glass (G), to thereby form an inner crack region (C) including one or more cracks in a portion of the tube glass (G) in a circumferential direction of the tube glass (G) through multiphoton absorption that occurs in an irradiation region of the laser light (L). Then, in the tube glass (G), there is generated a stress that urges the one or more cracks in the inner crack region (C) to propagate in the circumferential direction of the tube glass (G) to cause the one or more cracks to propagate throughout an entire circumference of the tube glass (G), to thereby cut the tube glass (G).

Tube glass cutting method and cutting device, and tube glass product manufacturing method

Provided is a transparent conductive film-equipped substrate that makes it difficult for an insulating film provided on a portion from which a transparent conductive film has been removed to peel off. The transparent conductive film-equipped substrateincludes a substrateand a transparent conductive filmprovided on the substrateand subjected to patterning, wherein the transparent conductive film-equipped substrate is made up so that: a removal region Awhere the transparent conductive filmhas been removed by patterning, a non-removal region Awhere the transparent conductive film is left unremoved, and a boundary region Aprovided between the removal region Aand the non-removal region Aare formed on the substrate; and the boundary region Ais formed with insular portionsin which the transparent conductive filmis formed in insular shapes.

Substrate provided with transparent conductive film

Provided is a method that can manufacture a glass plate having a curved surface shape with high surface accuracy even without polishing the surface after forming and a glass plate manufactured by the method. The method of manufacturing a glass plate having a curved surface shape includes the steps of: preparing an original glass plate, a forming die () including a recess () corresponding to the curved surface shape, and a forming tool () operable to press the original glass plate (); placing the original glass plate () on the recess () in the forming die (); heating the original glass plate () and the forming die (); maintaining a temperature of a surface of the recess () in the forming die at a temperature lower than a temperature of the original glass plate (); and giving the original glass plate () the curved surface shape by pressing the heated original glass plate () with the forming tool () to deform the original glass plate () while bringing the original glass plate () into contact with the surface of the recess ().

Method of manufacturing glass plate having curved surface shape, and glass plate having a curved surface shape

A sealing material is formed of a glass ribbon having a thickness of 1 to 100 &#x3bc;m. The sealing material has both surfaces and side surfaces formed into fire-polished surfaces.

Sealing material and sealing method using the same

Provided are a long-life light emitting device less likely to degrade luminescence properties over time, a method for manufacturing the same, and a cell for a light emitting device used for the same. A light emitting deviceincludes a celland a luminescent material encapsulated in the cell. The cellincludes a pair of glass sheetsandand a glass-made fused part. The pair of glass sheetsandare disposed to face each other with a space therebetween. The fused partis disposed between respective peripheral portions of the pair of glass sheetsand. The fused partis fused to each of the pair of glass sheetsand

Light emitting device, cell for light emitting device, and method for manufacturing light emitting device

Provided is a liquid crystal lens having low wavefront aberration. A liquid crystal lens () includes a liquid crystal layer (), a first electrode (), a second electrode (), and a third electrode (). The first electrode () is provided with an opening () and a communicating cutout () formed therein, the communicating cutout () allowing the opening () to communicate with the outside. The second electrode () includes a main electrode portion () and a linear leading electrode portion (). The main electrode portion () is disposed within the opening (). The main electrode portion () is electrically insulated from the first electrode (). The leading electrode portion () is electrically connected to the main electrode portion (). The leading electrode portion () is disposed within the communicating cutout (). The third electrode () faces at least part of the first and second electrodes (). A junction of the leading electrode portion () with the main electrode portion () has a width of 70 &#x3bc;m or less.

Liquid crystal lens and cell for liquid crystal lens

Provided is a mobile-display cover glass less susceptible to damage from impact caused upon dropping of a mobile display. A mobile-display cover glass () is a mobile-display cover glass configured to cover a display region () and at least a portion of a side surface () of a mobile display (). The mobile-display cover glass () includes a flat sheet-like front portion () and a side portion (). The front portion () is configured to be disposed in front of the display region (). The front portion () extends in a first direction and a second direction perpendicular to the first direction. The side portion () is configured to be disposed lateral to the mobile display (). The side portion () includes a bent portion (). The bent portion () bends backward from one end of the front portion () in the first direction. A corner () of the side portion () has a rounded shape.

Mobile-display cover glass and method for manufacturing same

Provided is a liquid crystal element of low drive voltage and high response speed. A liquid crystal element () includes a liquid crystal layer (), first and second electrodes (), a high-resistivity layer (), and an inorganic dielectric layer (). The first and second electrodes () are operable to apply voltage to the liquid crystal layer (). The high-resistivity layer () is interposed between either one () of the first and second electrodes () and the liquid crystal layer (). The inorganic dielectric layer () is interposed between the high-resistivity layer () and the liquid crystal layer ().

Liquid crystal element and cell for liquid crystal element

A glass ribbon has a thickness of 100 &#x3bc;m or less and includes a convex curved surface portion on a side surface. The glass ribbon can be produced by heating a preform glass material having a thickness of 2 mm or less, and subjecting the preform glass material to drawing so that the preform glass material has a thickness of 100 &#x3bc;m or less.

Glass ribbon and method for producing the same

Provided is a liquid-crystal lens with low wavefront aberration. A liquid-crystal lens () includes a liquid crystal layer (), a first electrode (), a second electrode (), and a high-resistivity layer (). The first electrode () includes: a first electrode portion () including a circular opening () and a communicating cutout () formed therein, the communicating cutout () allowing the circular opening () to communicate with the outside; and a second electrode portion () including a circular main electrode portion () disposed within the opening () and a leading electrode portion () connected to the main electrode portion () and disposed within the communicating cutout (). The second electrode () faces the first electrode () with the liquid crystal layer () in between. The high-resistivity layer () is disposed between at least the second electrode portion () of the first electrode () and the liquid crystal layer (). The high-resistivity layer () has a shape rotationally symmetric about a central axis of the main electrode portion ().

Liquid-crystal lens

An object of the present invention is to provide a liquid-crystal lens having excellent imaging performance. A liquid-crystal lens () according to the present invention includes a first liquid-crystal layer (), a second liquid-crystal layer (), a third liquid-crystal layer (), and a fourth liquid-crystal layer () which are arranged in this order along an optical axis (C). The first liquid-crystal layer () and the second liquid-crystal layer () are 90&#xb0; different in alignment direction from each other in a plane perpendicular to the optical axis (C). The first liquid-crystal layer () and the fourth liquid-crystal layer () are 180&#xb0; different in alignment direction from each other in the plane perpendicular to the optical axis (C). The second liquid-crystal layer () and the third liquid-crystal layer () are 180&#xb0; different in alignment direction from each other in the plane perpendicular to the optical axis (C).

Liquid-crystal lens and liquid-crystal lens-cell

Provided is a method capable of producing a glass sheet with a bent portion in which a flattened portion has high flatness and high smoothness. A flat glass sheetis radiationally heated with a first portionthereof held between first and second heat-insulating members. And then, a second portionof the flat glass sheetnot held between the first and second heat-insulating membersis bent.

Growing community of inventors

Otsu, Japan

Masanori Wada