Konica Corporation

Konica Minolta, Inc.

Konica Minolta Photo Imaging, Inc.

Yoriko Nakayama

Tatsuo Tanaka

Tawara Komamura

Noritaka Nakayama

Norio Miura

Akira Onishi

Mari Honda

Toshihisa Takeyama

Katsunori Katoh

Hirofumi Ohtani

Katsunori Kato

Hirokazu Koyama

Hiroki Nakane

Hiroshi Watanabe

Hiroaki Yamagishi

Kaori Fukumuro

A method for producing an organic electroluminescent element including a transparent substrate, a transparent electrode, an organic functional layer unit, and an electrode counter to the transparent electrode disposed in sequence, the method including: forming a preform of an element satisfying the following expression: &#x394;Exy&#x2265;0.05, wherein 0&#xb0; is an angle orthogonal to the transparent substrate and &#x394;Exy represents a chromaticity difference of a reflected color measured at a tilted angle within a range of 0 to 80&#xb0; with respect to the transparent substrate; and irradiating a specific region of the preform of the element with light.

Method for producing organic electroluminescent element

An image forming method containing the steps of (a) forming an image on a thermal transfer sheet of a thermal transfer recording material, and (b) transferring the image onto an image receiving sheet of the thermal transfer recording material, wherein the thermal transfer sheet including a substrate having thereon a yellow ink layer containing a thermally transferable yellow dye, a magenta ink layer containing a thermally transferable magenta dye, and a cyan ink layer containing a thermally transferable cyan dye, the image receiving sheet including a substrate having thereon a thermally transferable dye receiving layer; at least one of the thermally transferable dyes is reactive with a dye fixing agent, and satisfies Formula of (Aa/Am)&#xd7;100&#x2267;75; and a printing rate of each of the yellow ink layer, the magenta ink layer and the cyan ink layer is not more than 2.5 msec./line.

Image forming method using thermal transfer recording material

The present invention relates to a mixture of dyes to form a black image. In particular, the present invention relates to a mixture that gives a black image having favorable stability to light and sufficient high density, and a thermal transfer recording material employing the mixture of dyes.

Mixture of dyes to form a black image

Disclosed is a metal chelate dye which is composed of a metal ion and a ligand that is a methine dye having 2 or more bonding positions capable of coordinate bond to the metal ion at the bonding position. A thermal transfer recording material, an ink used for an ink jet image recording process and a color toner for electrostatic image recording process are also disclosed.

Metallic chelating dye

An image forming element and an image forming method using the same are disclosed. The element comprises a support having thereon a image forming layer comprising a binder, an aromatic aldehyde, a cobalt (III) complex represented by formula I, and a compound represented by formula II or formula III;

Image forming element and image forming method

A thermal transfer recordimg material comprising a support having thereon a thermal transfer layer containing a dye represented by the following formula and a thermal transfer recording process capable of recording magenta images by forming a chelate dye in the presence of a metallic ion-containing compound ##STR1##

Thermal-transfer recording material and a thermal-transfer recording

A thermal transfer recording material comprises a support and provided thereon, a layer containing a binder and a metal ion providing compound represented by the following Formula ( I ):

Growing community of inventors

Hino, Japan

Yoriko Nakayama