Tohoku Pioneer Corporation

Pioneer Corporation

Mitsubishi Electric Corporation

Pioneer Oled Lighting Devices Corporation

Yuji Saito

Toshinao Yuki

Shinji Nakajima

Zenichiro Hara

Suguru Nagae

Takanori Okumura

Satoru Kiridoshi

Masami Kimura

Yutaka Saito

Nobuo Terazaki

Hiroyuki Sato

Yoshiyuki Suehiro

Yoshinori Fukuda

Jun Sugahara

Yosuke Sato

Ryota Oki

Hiroki Tan

Shinsuke Tanaka

Kunihiko Shirahata

Kenichi Okuyama

Koji Fujita

Masanobu Akagi

Takeshi Yoshida

Masaaki Hiraki

Shintaro Yamasaki

Tekeshi Yoshida

Masashi Fukuzaki

A light emitting apparatus () includes a substrate (), an insulating layer (), a light emitting element (), a coating film (), and a structure (). The insulating layer () is formed over one surface of the substrate (), and includes an opening (). The light emitting element () is formed in the opening (). The coating film () is formed over the one surface of the substrate (), and covers a portion of the light emitting element (), the insulating layer (), and the one surface of the substrate (). The coating film () does not cover another portion of the substrate () (for example, a portion of an end portion: hereinafter, referred to as a first portion). The structure () is located between the first portion of the substrate () and the insulating layer (). The coating film () also covers the insulating layer ().

Light emitting apparatus

An optical device () includes a joining structure in which a first conductive film () and a second conductive film () are joined to each other. The first conductive film () that constitutes the joining structure is constituted by a conductive material. The second conductive film () that constitutes the joining structure is constituted by a metal material. Apart of the second conductive film () comes into contact with the first conductive film (). A plurality of concave portions are provided in a contact surface of the second conductive film () which comes into contact with the first conductive film (). The contact surface has a surface roughness greater than a surface roughness of a non-contact surface of the second conductive film () which does not come into contact with the first conductive film ().

Optical device

An optical device () includes a joining structure in which a first conductive film () and a second conductive film () are joined to each other. The first conductive film () that constitutes the joining structure is constituted by a conductive material. The second conductive film () that constitutes the joining structure is constituted by a metal material. A part of the second conductive film () comes into contact with the first conductive film (). A plurality of concave portions are provided in a contact surface of the second conductive film () which comes into contact with the first conductive film (). The contact surface has a surface roughness greater than a surface roughness of a non-contact surface of the second conductive film () which does not come into contact with the first conductive film ().

An organic EL element () is formed on a substrate (), and an insulating layer () surrounds the organic EL element (). A conductive layer () is located between the substrate () and the insulating layer () in a thickness direction, and is across an edge () of the insulating layer () opposite the organic EL element (). The conductive layer () includes a first layer () and a second layer (). The second layer () is formed on the first layer (). The conductive layer () does not include a portion of the second layer () in a portion overlapped with the edge () of the insulating layer ().

An optical device () has a joining structure in which a first conductive film () and a second conductive film () are joined to each other. The first conductive film () that constitutes the joining structure is constituted by a transparent conductive material and the like. In addition, the second conductive film () that constitutes the joining structure is constituted by a metal material. A transition region, in which the transparent conductive material and the metal material are mixed, exists between the first conductive film () and the second conductive film (). The transparent conductive material includes, for example, a conductive polymer.

An optical device includes a joining structure in which a first conductive film () and a second conductive film () are joined to each other. The first conductive film (), which constitutes the joining structure, is constituted by a transparent conductive material and the like. The second conductive film (), which constitutes the joining structure, is constituted by a metal material. A dispersing agent, which is constituted by a material different from the transparent conductive material, exists at a portion of the first conductive film () which is located at the periphery of the second conductive film ().

An organic EL panel including at least a light-emitting part and a sealing structure. The light-emitting part further includes at least an organic EL element formed on a substrate. The sealing structure further includes a sealing adhesive layer that contacts a coating film. The organic EL panel emits light from the light-emitting part through the substrate. The organic EL element includes at least the organic layer formed on a first electrode. The organic EL element further includes a second electrode formed on the at least one organic layer. The organic EL panel further includes the coating film coating the light-emitting part. A surface of the sealing adhesive forms a convex part formed by an inorganic material. A surface of the coating film forms a concave part that contacts the convex part.

Organic EL panel comprising a light-emitting part and a seal structure sealing the light-emitting part and method for manufacturing the same

For organic EL panels with a hollow-sealed structure to meet the demand of flat or large displays, the inconvenience of contact of drying anent etc touching the organic EL elements in the sealed space is avoided. An organic EL panel includes a panel substrate, a light-emitting part with a plurality of organic EL elements having an anode, an organic layer and a cathode laminated on the panel substrate, and a sealing substrate configured to be bonded onto the panel substrate through an adhesive layer to seal the light-emitting part. The sealing substrate includes a supporting projection projecting toward the panel substrate. A supporting margin facing to the bottom face of the supporting projection is provided where the organic EL elements is not formed within a region of the light-emitting part on the panel substrate.

Organic el panel, panel-combined light emitting device, and method of manufacturing organic el panel

An organic EL panel has a light-emitting part including one or a plurality of organic EL elements over a substrate and having a sealing structure sealing the light-emitting part. The organic EL element includes an organic layer formed on a first electrode, and a second electrode formed on the organic layer. The organic EL panel includes a coating film coating the light-emitting part. A contact object is arranged on an inner surface of the sealing structure. One or a plurality of convex parts is formed on the contact object. The coating film is formed to have a thickness larger than the length of the convex part.

Organic EL panel comprising a light-emitting part and a sealing structure sealing the light-emitting part and method for manufacturing the same

A method for manufacturing an image display element including: a front panel; a back panel facing the front panel; plural pixels arranged in a matrix between the panels, and to be selected to be in a display or non-display state; and plural electrodes for controlling the pixels, the panels being bonded with the pixels and the electrodes interposed therebetween, and the electrodes being connected to a driving control circuit via metal wires, includes a first step of performing dicing from the back side of the opposing surface from the front panel, and forming a groove part such that electrode terminals connected to the electrodes are exposed between adjacent plural pixel lines, with the back panel bonded thereto, and a second step of forming the metal wires so as to be connected to the electrode terminals exposed at the groove part.

Method for manufacturing image display element

An image display element includes: a front panel; a back panel opposite thereto; a plurality of pixels arranged between both the panels; and plural electrodes for controlling the pixels. The panels are bonded with the pixels and the electrodes interposed therebetween, and the electrodes are connected to a driving circuit via metal film wires. The back panel is divided so as to expose electrode terminals, and a groove part V-shaped in cross section is formed at the divided portion. The metal film wires are formed on the top surface of the back panel, and the electrode terminals and the metal film wires are connected by a conductive paste coated along the tilt surfaces forming the groove part. Partitions are disposed between the adjacent electrode terminals at the bottom of the groove part.

Growing community of inventors

Yonezawa, Japan

Yuji Saito