Canon Kabushiki Kaisha

Nippon Steel Corporation

Japan Display Inc.

Nippon Steel Sumitomo Metal Corporation

Holon Co., Ltd.

Magnolia White Corporation

Jun Nitta

Kenji Nakamura

Masao Majima

Tohru Yoshida

Shigeru Yonemura

Yuichi Handa

Michiyo Nishimura

Satoshi Shirakami

Takashi Yasutomi

Natsuhiko Mizutani

Hiroshi Yoshida

Takahiro Numai

Toru Nakata

Nobuo Yoshikawa

Norimichi Anazawa

Toshihiko Ouchi

Akihiro Uenishi

Sotomitsu Ikeda

Masumi Nishimura

Takeo Ono

Takashi Miyagi

Hidetoshi Nojiri

Mamoru Uchida

Toshiyuki Niwa

Hayata Aoki

Akira Yonezawa

Seiji Mishima

Takashi Ariga

Ryo Tabata

Ouichi Kubota

Tohru Nakata

Katuyuki Takahashi

Tatenori Jinriki

Ryuichi Shimizu

According to one embodiment, a display device includes a first insulating layer, a bottom electrode provided on the first insulating layer, a second insulating layer provided on the first insulating layer and having an opening penetrating to the bottom electrode, an adhesive layer provided in the opening, having conductivity and being in contact with the bottom electrode, a reflecting electrode attached to the adhesive layer, an organic layer including a light emitting layer and provided on the reflecting electrode, a third insulating layer provided on the second insulating layer, and covering a side surface of the reflecting electrode and a side surface of the organic layer, and a top electrode provided on the organic layer and the third insulating layer.

Display device and manufacturing method of display device

The present invention has as its technical problem to provide a punching method able to stably secure a stretch-flangeability equal to or greater than the case of using a punch having a flat blade at its bottom surface. The punching method of the present invention is a method of punching a metal sheet using a punching and shearing device provided with a punch having an upper blade having a horizontal part with respect to the cutting line in part and having parts other than the horizontal part comprised of inclined parts and a die having a lower blade wherein the upper blade used for the punching process has a shape where the inclined parts first contact the metal sheet at the time of a punching process.

Method for producing blank, method for producing press-formed part, method for judging shape, program for judging shape, apparatus for producing blank, and blank

According to one embodiment, a display device includes first and second lower electrodes, a second insulating layer arranged between the first and second lower electrodes, and having first and second openings overlapping the first and second lower electrodes, a partition arranged on the second insulating layer, a first organic layer arranged in the first opening and covering the first lower electrode, and a first upper electrode covering the first organic layer. The partition has a first layer formed of a metal material and a second layer protruding from a first side surface of the first layer toward the first opening. The first upper electrode is in contact with the first side surface.

Display device including an organic light-emitting diode (OLED)

According to one embodiment, a display device includes a lower electrode, a second insulating layer including an opening overlapping the lower electrode, an organic layer including a light-emitting layer and a functional layer, disposed in the opening and covering the lower electrode and an upper electrode covering the organic layer. The functional layer includes a first region located between the lower electrode and the light-emitting layer and a second region including an end surface located directly above the second insulating layer. A dopant concentration of a guest material in the second region is lower than the dopant concentration of the guest material in the first region.

Display device and method for manufacturing display device

There is provided a hole widening method including a preparing process of preparing a forming tool which has a diameter-increasing portion increasing in diameter from a front end side toward a rear end side and a line-shaped projection formed to protrude outward from a surface of the diameter-increasing portion, and a workpiece in which a pilot hole is formed; and a hole widening process of successively widening the pilot hole by pushing the forming tool into the pilot hole such that the line-shaped projection of the forming tool comes into point contact with a part of a circumferential edge portion of the pilot hole in the workpiece two times or more, and forming a stretched flange.

Hole widening method, forming tool, and formed product

In a breaking prediction method of predicting a breaking portion of a component, which is obtained by forming a metal sheet, by using a finite element method, the breaking portion is easily and reliably extracted. This breaking prediction method includes a first step of performing forming analysis by using a finite element method in each of a case where the metal sheet is divided on the basis of a first mesh coarseness and a case where the metal sheet is divided on the basis of a second mesh coarseness which is coarser than the first mesh coarseness, a second step of obtaining a maximum main stress for each mesh in each of the case of the first mesh coarseness and the case of the second mesh coarseness, and a third step of obtaining a difference value between the maximum main stress in the case of the first mesh coarseness and the maximum main stress in the case of the second mesh coarseness in each portion of the component, and extracting a portion in the case of the first mesh coarseness, which corresponds to a portion in which the difference value is larger than a predetermined value, as the breaking portion.

Breaking prediction method, program, recording medium, and arithmetic processing device

A method for manufacturing a press-formed product includes: a first step of preparing a long material having a bending portion; and a second step of decreasing curvature of the bending portion while restricting both ends of the long material in a longitudinal direction.

Method for manufacturing press-formed product, device for manufacturing press-formed product, mandrel, and press-formed product

A stretch flange crack prediction method of predicting initiation of stretch flange cracks that occurs in a flange end section during stretch flange forming of a deformable sheet, includes: a measurement value acquisition process of acquiring, for each of a plurality of sheet-shaped test pieces, a fracture strain measurement value, a normal strain gradient measurement value, and a circumferential strain gradient measurement value; a CAE analysis process of acquiring a maximum major strain maximum element having a highest maximum major strain, a normal strain gradient of the maximum major strain maximum element, and a circumferential strain gradient of the maximum major strain maximum element; a fracture determination threshold acquisition process of acquiring a fracture determination threshold by converting the fracture strain measurement value; and a prediction process of predicting that stretch flange cracks will be initiated, when the maximum major strain is equal to or higher than the fracture determination threshold.

Stretch flange crack prediction method, stretch flange crack prediction apparatus, computer program, and recording medium

A blank shape determining method includes: a process of making a forming analysis of forming a reference blank into a reference formed product and a acquiring sheet thickness distribution and a plastic strain distribution; a process of acquiring a forming failure evaluation index for the reference blank; a process of estimating a region, which includes an end edge portion at which the forming failure evaluation index exceeds a predetermined threshold, within the reference blank as a forming failure region; a process of generating a plurality of corrected blanks; a process of making a forming analysis of forming the corrected blanks into corrected formed products and acquiring a sheet thickness distribution and a plastic strain distribution; a process of acquiring the forming failure evaluation index for the corrected formed product; and a process of determining a shape of the corrected blank having a smallest maximum value of the forming failure evaluation index as a shape of a blank provided for press forming.

Blank shape determining method, blank, press formed product, press forming method, computer program, and recording medium

[Object] To provide a press-molding apparatus capable of appropriately thickening a vertical wall portion while preventing the occurrence of buckling. [Solution] Provided is a press-molding apparatus configured to mold a press-molded product by performing press working on a work, the press-molding apparatus including: a support member that supports the work with a first thickness having a hat-shaped cross-section or a U-shaped cross-section; a punch member that moves relative to the support member to execute press working so as to reduce a height of a vertical wall portion of the work and thicken the vertical wall portion to a second thickness; and a pad member that faces the support member with the vertical wall portion to be thickened placed therebetween, the pad member being biased by a biasing member and having its distance to the support member kept equal to or smaller than the second thickness during the press working.

Press-molding apparatus, press-molding method, and press-molded product

When discretizing an analysis target part into plural elements and performing analysis, sheet thickness reduction rate or maximum principal strain at an equivalent position including a same element is compared by either a manner of combining two adjacent elements after the analysis or a manner of changing an element discretization size with two types and performing the analysis, and the element where the difference is large is extracted as a fracture risk portion. With this structure, a fracture risk portion can be extracted reliably when a fracture is predicted by a finite element method.

Fracture prediction method, processing device, program product and recording medium

A method of deciding the quality of a measurement value of the line width, the line interval or the like of a pattern on an object to-be-measured, including acquiring the signal intensity distribution of the pattern on the object to-be-measured, detecting the edge positions of the pattern from the acquired signal intensity distribution, detecting the taper widths of the edge parts of the pattern from the acquired signal intensity distribution, and deciding that the measurement value calculated on the basis of the detected edge positions is correct, when the detected taper widths fall within a predetermined range set beforehand. In this way, it is permitted to automatically decide the defective measurement of the line width of the pattern, or the like, attributed to an unclear image due to inferior focusing in an image photographing mode, an unclear image due to an image drift ascribable to charging-up, or the like.

Method of deciding the quality of the measurement value by the edge width

A charged particle beam apparatus comprising a preparatory evacuation chamber (in FIG.A) into which a sample () is conveyed and which is preliminarily evacuated, an ultraviolet irradiation unit () which is disposed in the preparatory evacuation chamber () and which irradiates the surface of the sample () conveyed into the preparatory evacuation chamber (), with ultraviolet rays for a predetermined time period, and a sample chamber () into which the sample () is conveyed in the preliminarily evacuated state of the preparatory evacuation chamber () or from which the sample () is conveyed into the preparatory evacuation chamber (), wherein the ultraviolet irradiation of the sample () by the ultraviolet irradiation unit () is performed before the conveyance of the sample () into the sample chamber (), or/and after the conveyance thereof from the sample chamber (), thereby to remove contamination on the surface of the sample ().

Charged particle beam apparatus and contamination removal method therefor

A laser includes a first region with a first moveguide having a first diffraction grating, a second region with a second waveguide having a second diffraction grating, and a phase controlling region with a third waveguide and a phase control unit for controlling an effective refractive index of the third waveguide. The phase controlling region, the first region and the second region are coupled serially along a light propagation direction in this order, and are constructed such that light to the first region from the phase controlling region is enlarged relatively to light to the phase controlling region from the first region, or constructed such that a coupling coefficient of the first diffraction grating in the first region adjacent to the phase controlling region is smaller than a coupling coefficient of the second diffraction grating in the second region away from the phase controlling region.

Laser with phase controlling region and method for driving the same

An optical fiber apparatus includes an optical fiber, and a demultiplexing/multiplexing unit for demultiplexing or multiplexing at least a light wave of at least a wavelength with a sufficiently narrow wavelength spectrum that is determined by a resolving power thereof, such as a Fabry-Perot etalon. The demultiplexing/multiplexing unit is provided or formed directly on at least an end face of the optical fiber. An optical detector array including a plurality of optical detectors for detecting demultiplexed light waves may be provided on a light emergence surface of of the demultiplexing/multiplexing unit.

Optical fiber apparatus provided with demultiplexing/multiplexing unit on fiber's end portion, optical detecting apparatus provided with demultiplexing/multiplexing unit on its light receiving surface, and optical transmission system using the same

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Tokyo, Japan

Jun Nitta