Dai Nippon Printing Co., Ltd.

Sakurako Hatori

Yozo Kosaka

Nobuaki Kimura

Mitsuru Kitamura

Tsuyoshi Yamauchi

Koji Eto

Manabu Yamamoto

Satoru Kuramochi

Hiroyuki Ohtaki

Minoru Azakami

Akiko Kitamura

Yoshihito Maeno

Yoko Sekine

Yasunori Kurima

Toshihiko Takeda

Katsuhiko Mizuno

Kounosuke Tanaka

A main object of the present invention is to provide a method of producing a volume hologram laminate which can regenerate a hologram image in an arbitrary wavelength by a simple process. To attain the object, the present invention provides a method of producing a volume hologram laminate using a volume hologram forming substrate which comprises: a substrate, a volume hologram layer formed on the substrate and containing a photopolymerizable material, a resin layer, formed on the substrate so as to contact to the volume hologram layer, containing a resin and a polymerizable compound, characterized in that the producing method comprises processes of: a hologram recording process to record a volume hologram to the volume hologram layer, a substance transit process of transiting the polymerizable compound to the volume hologram layer, and an after-treatment process of polymerizing the polymerizable compound.

Method of producing volume hologram laminate

A light-emitting medium including a light-emitting image having a pattern area formed on a substrate by using a first fluorescent ink containing a first fluorescent material, a background area formed on the substrate by using a second fluorescent ink containing a second fluorescent material, and a overcoat layer formed on the first fluorescent material of the pattern area and the second fluorescent material of the background area. The first fluorescent material is made of a fluorescent material which emits light of blue color when UV-A is irradiated, and emits light of red color when UV-C is irradiated. The second fluorescent material is made of a fluorescent material which emits light of blue color or light of a color that is viewed as the same color as the blue color when the UV-A is irradiated, and emits light of green color when the UV-C is irradiated.

Light-emitting medium

A light-emitting medium having a light-emitting image including first pattern elements formed on a substrate by using a first fluorescent ink containing a first fluorescent material, and second pattern elements formed on the substrate by using a second fluorescent ink containing a second fluorescent material. The first and second pattern elements form a plurality of micro-character rows m, and the first pattern elements form a latent image in the micro-character rows m. The first fluorescent material is made of a fluorescent material which emits light of blue color when UV-A is irradiated, and emits light of red color when UV-C is irradiated. The second fluorescent material is made of a fluorescent material which emits light of blue color or light of a color that is viewed as the same color as the blue color when the UV-A is irradiated, and emits light of green color when the UV-C is irradiated.

A method of producing a volume hologram laminate which can regenerate a hologram image in an arbitrary wavelength by a simple process. The method uses a volume hologram forming substrate which includes: a substrate, a volume hologram layer formed on the substrate and containing a photopolymerizable material, a resin layer, formed on the substrate so as to contact to the volume hologram layer, containing a resin and a polymerizable compound. The producing method includes processes of: a hologram recording process to record a volume hologram to the volume hologram layer, a substance transit process of transiting the polymerizable compound to the volume hologram layer, and an after-treatment process of polymerizing the polymerizable compound.

There is provided a light-emitting medium by which whether a valuable paper or the like is forged or not can be judged easily and promptly. A light-emitting medium constituting a valuable paper includes a light-emitting image. The light-emitting image is composed of a pattern area formed on a substrate by using a first fluorescent ink containing a first fluorescent material, and a background area formed on the substrate by using a second fluorescent ink containing a second fluorescent material. When UV-A is irradiated, the first fluorescent ink and the second fluorescent ink emit light of colors that are viewed as different colors from each other. In addition, when UV-C is irradiated, the first fluorescent ink and the second fluorescent ink emit light of colors that are viewed as different colors from each other, the colors being different from the colors that are viewed when the UV-A is irradiated.

Light-emitting medium and method of confirming light-emitting medium

The invention relates to a transfer sheet suitable for the formation of electrode patterns, dielectric layers, barrier layers, etc. in plasma display panels (PDPs), field emission displays (FEDS), liquid crystal displays (LCDS), fluorescent displays, hybrid integrated circuits, etc. The transfer sheet comprises a base film and a transfer layer releasably provided on the base film, optionally with a protective film provided on the transfer layer. The transfer layer comprises an inorganic component including a glass frit and an organic component removable by firing, optionally with an electrically conductive powder. By specifying the surface roughness and surface gloss of the transfer layer, the releasability of the transfer layer with respect to the base or protective film, and the residual solvent content of the transfer layer, it is possible to form, with high accuracy, primer layers, dielectric layers on front or back panel plates, photosensitive black matrix layers, and photosensitive rib layers for use with PDPs, and form high-definition electrode patterns as well.

Transfer sheet

A process for forming an electrode pattern for a plasma display panel, the process including coating a photosensitive conductive paste on a film to form a pattern forming layer, laminating the film onto a substrate with the pattern forming layer facing the substrate, exposing the pattern forming layer from above the film through a mask, separating and removing the film and developing the pattern forming layer to remove unexposed areas, and firing the substrate to adhere the exposed areas of the pattern forming layer to the substrate, thus forming an electrode pattern thereon.

Electrode for plasma display panel and process for producing the same

The invention relates to a transfer sheet suitable for the formation of electrode patterns, dielectric layers, barrier layers, etc. in plasma display panels (PDPs), field emission displays (FEDS), liquid crystal displays (LCDs), fluorescent displays, hybrid integrated circuits, etc. The transfer sheet comprises a base film and a transfer layer releasably provided on the base film, optionally with a protective film provided on the transfer layer. The transfer layer comprises an inorganic component including a glass frit and an organic component removable by firing, optionally with an electrically conductive powder. By specifying the surface roughness and surface gloss of the transfer layer, the releasability of the transfer layer with respect to the base or protective film, and the residual solvent content of the transfer layer, it is possible to form, with high accuracy, primer layers, dielectric layers on front or back panel plates, photosensitive black matrix layers, and photosensitive rib layers for use with PDPS, and form high-definition electrode patterns as well.

An electrode, for a plasma display panel, adapted for provision on a front or back plate of a plasma display panel, the electrode comprising a conductive paste.

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Tokyo-to, Japan

Sakurako Hatori