Dai Nippon Printing Co., Ltd.

Shinichi Handa

Katsunari Obata

Hiroyuki Endo

Atsushi Yoshizawa

Kenji Nakamura

Takuya Hata

Masaru Kobayashi

Hiroyuki Shirogane

Kenichi Kuba

Toru Miyake

Hirofumi Nakajima

Masashi Nishiyama

Hiroyoshi Nakajima

Norihito Ito

Tomoyuki Tachikawa

Kumpei Oda

Yoshiyuki Yamashita

The invention is an organic luminescence transistor device including: a substrate; an assistance electrode layer provided on a side of an upper surface of the substrate; an insulation film provided on a side of an upper surface of the assistance electrode layer; a first electrode provided locally on a side of an upper surface of the insulation film, the first electrode covering an area of a predetermined size; an electric-charge-injection inhibiting layer provided on an upper surface of the first electrode, the electric-charge-injection inhibiting layer having a shape larger than that of the first electrode in a plan view; an electric-charge injection layer provided on the side of an upper surface of the insulation film at an area not provided with the first electrode or the electric-charge-injection inhibiting layer and on an upper surface of the electric-charge-injection inhibiting layer; a luminescent layer provided on an upper surface of the electric-charge injection layer; and a second electrode layer provided on a side of an upper surface of the luminescent layer.

Organic luminescence transistor device and manufacturing method thereof

An organic light-emitting element comprises a large number of unit pixels each at least composed of a base, an auxiliary electrode, a first insulating layer to cover at least the auxiliary electrode, a charge injection layer on the first insulating electrode, laminated bodies each consisting of a first electrode and a second insulating layer and provided in a predetermined pattern, an organic light-emitting layer formed in regions where the laminated bodies are not provided, and a second electrode to cover at least the organic light-emitting layer. The unit pixel has first partitions provided to demarcate the organic light-emitting layer from other adjacent unit pixels and at least one or more second partitions to have a uniform coated thickness, and at least one of the first partition and the second partition is the laminated body.

Organic light-emitting element in which each of a plurality of unit pixels has two types of partitions to divide an organic light-emitting layer, organic light-emitting transistor and light-emitting display device having the organic light-emitting element

The invention is an organic luminescence transistor device including:

The present invention provides a flexible substrate, which has solvent resistance, a high level of gas barrier properties, a high level of flexibility, high heat resistance, and a high level of transparency, and is suitable, for example, for use in a wet coating process of an organic device material, and an organic device using the same. The flexible substrate comprises a metal oxide polymer-containing layer and a three-dimensionally crosslinked polymer layer stacked in that order on at least one side of a very thin glass. The metal oxide polymer is a silicon oxide polymer, and the metal oxide polymer-containing layer underlying the three-dimensionally crosslinked polymer layer is neither swollen nor dissolved in an aromatic organic solvent.

Flexible substrate and organic device using the same

Disclosed is an EL element in which the rigidity and thermal expansion of the whole EL element is homogeneous, the spacing between film substrates provided respectively on both sides of the EL element can be kept constant, and the whole EL element is flexible. The EL element comprises a first film substrate, an EL part, and a sealant layer, the EL part comprising a first electrode, an EL layer, and a second electrode and being provided on a part of a surface of the first film substrate, the sealant layer being provided to cover the EL part and to cover the EL part-free part of the surface of the first film substrate in such a manner that the sealant layer covering the EL part is contiguous with the sealant layer covering the EL part-free part of the surface of the first film substrate.

EL and display device having sealant layer

A luminescence display panelincludes: a flexible transparent substrate; a transparent electrodeformed on the transparent substrate, over a luminescence region and a non-luminescence region; and auxiliary electrodesandformed on the transparent electrode, over the non-luminescence region. Electric insulation layers, andare formed over the non-luminescence region of the transparent electrode, so as to cover the auxiliary electrodesand. An organic luminescence partis formed on the transparent electrode, at least over the luminescence region. A rear electrodeis formed on the organic luminescence part

Luminescence display panel displaying a predetermined pattern

The present invention is a method of manufacturing a light emitting display panel, which includes a laminated structure formed by laminating at least a flexible base layer, a first electrode layer, an EL layer, a second electrode layer and a flexible sealing layer in that order. The flexible base layer is provisionally attached to a rigid flat plate, and thereafter supplied to a main manufacturing step of the light emitting display panel. According to the feature, no significant unevenness in the thicknesses of layers formed on or above the flexible base layer is generated. Therefore, a light emitting display panel whose light emitting strength is uniform can be produced.

Method of manufacturing a light emitting display panel and a light emitting display panel

The main object of the present invention is to provide a method for manufacturing an EL element, capable of preventing deterioration of the element characteristic by the developing agent or the rinsing agent, while providing the advantages of the photolithography method of high light emitting efficiency and taking out efficiency, the manufacturing process simplicity, and the highly sophisticated pattern formation. In order to achieve the above mentioned object, the present invention provides a method for manufacturing an organic EL element comprising at least a patterned organic light emitting layer, wherein the patterning is conducted by etching with a protecting layer pattern laminated on an organic light emitting layer.

Method for fabricating organic EL element

A lenticular lens sheet having ( ) a light-transmitting lens sheet body with a lenticular lens group formed of multiple lenticular lenses placed on a surface of the body and a silver salt emulsion light-shielding layer laminated to the other surface of the light-transmitting lens sheet body. Light-transmitting areas in the light-shielding layer correspond to light-converging parts of the lenticular lenses on the body. The positions of the light-shielding areas correspond to non-light-converging parts of the lenticular lenses. The light-shielding characteristics result from the darkened silver dispersed in the silver salt emulsion. A method for making the lenticular lens sheet is disclosed also.

Growing community of inventors

Tsukuba, Japan

Shinichi Handa