Dai Nippon Printing Co., Ltd.

Satoshi Goishihara

Hiroshi Kojima

Manabu Hirakawa

Hirotoshi Suetsugu

Hidenori Nakamura

Fumihiro Arakawa

Makoto Abe

Koichi Kinoshita

Isao Inoue

Koujiro Ohkawa

Kenro Hirata

Akinobu Ushiyama

Satoko Maenishi

Akiko Tomita

Tetsuo Matsukura

Takayuki Shimada

Kazuo Matsufuji

Kazuki Tanaka

Mitsuhiro Hamashima

Runa Nakamura

Amane Koike

Mitsuru Inoue

A heat-generating plate that generates heat when a voltage is applied, including a pair of glasses, a pair of bus bars to which the voltage is applied, and a heat-generating conductor that can couple between the pair of bus bars. The heat-generating conductor includes a plurality of conductive thin wires that linearly extends between the pair of bus bars and couples between the pair of bus bars. An average Wof a width W of one of said conductive thin wires is within a range of the following formula(a) relative to a standard deviation σ of distribution of the width W: 0≤4σ/W≤0.3 (Formula(a)).

Heat-generating plate

A heating plate includes: a pair of glass plates; a conductive pattern disposed between the pair of glass plates and defining a plurality of opening areas; and a joint layer disposed between the conductive pattern and at least one of the pair of glass plates; wherein the conductive pattern includes a plurality of connection elements that extend between two branch points to define the opening areas; and a rate of the connection elements, which are straight line segments connecting the two branch points, relative to the plurality of connection elements, is less than 20%.

Heating plate, conductive pattern sheet, vehicle, and method of manufacturing heating plate

A patterned conductor that includes a metal linear conductor positioned on one placement surface that has a main cut surface orthogonal to its longitudinal direction, a plurality of metal crystal grains. In the main cut surface of thereof, a metal crystal grain(s) having a length halong a normal direction to the placement surface, which length is larger than one third of a height H of the linear conductor along the normal direction to the placement surface. A minimum value of a ratio (h/w), which is a ratio of the length hof the metal crystal grain(s) along the normal direction to the placement surface with respect to a length walong the placement surface, is not less than 1.2.

Patterned conductor, sheet with conductor, heating plate, vehicle, and manufacturing method of patterned conductor

A heating plateincludes: a pair of glass plates; a conductive patterndisposed between the pair of glass platesand defining a plurality of opening areas; and a joint layerdisposed between the conductive patternand at least one of the pair of glass plates; wherein the conductive patternincludes a plurality of connection elementsthat extend between two branch pointsto define the opening areas; and a total value of lengths of straight line segments connecting the two branch pointsis less than 20% of a total value of the plurality of connection elements

A heating plateincludes: a pair of glass plates; a conductive patterndisposed between the pair of glass platesand defining a plurality of opening areas; and a joint layerdisposed between the conductive patternand at least one of the pair of glass plates; wherein the conductive patternincludes a plurality of connection elementsthat extend between two branch pointsto define the opening areas; and a rate of the connection elements, which are straight line segments connecting the two branch points, relative to the plurality of connection elements, is less than 20%.

There is provided an optical sheet which can prevent problems when it is superimposed on another member. The optical sheet includes: a sheet-like base layer; a light control layer having unit shaped elements arranged in a direction parallel to a sheet surface of the base layer; and a light diffusing layer disposed between the base layer and the light control layer. The light diffusing layer includes a binder resin portion and particles dispersed in the binder resin portion. The particles in the binder resin portion includes a single particle and an aggregate formed of aggregated single particles.

Optical sheet, surface light source device and transmission type display device

An optical sheet includes a sheet-like body portion, and unit prisms arranged on one surface of the body portion. Each unit prism extends linearly in a direction intersecting the arrangement direction. Each unit prism, when viewed in a direction parallel to the arrangement direction of the unit prisms, has an uneven polygonal-line-shaped contour and, with reference to raised portions defined by the polygonal-line-shaped contour of each unit prism, the distance between a top of each raised portion, a farthest point from the body portion in the raised portion, and the body portion in the normal direction of the body portion is not constant. The optical sheet can prevent significant problems when it is superimposed on another member.

Optical sheet, surface light source device, transmission type display device, light emitting device, mold and mold production method

An optical sheet including a fly-eye lens is provided, which exhibits excellent optical functions, including desired light condensing ability, light diffusing ability and an ability for rendering a light source image substantially invisible, and can be produced with high reproducibility. The optical sheet includes a sheet-like main body, first unit shaped elements arranged on one surface of the main body and together constituting the fly-eye lens; and second unit shaped elements arranged on the one surface of the main body and extending in parallel with one direction on the sheet surface of the main body. The first unit shaped elements are arranged, with a space provided therebetween, on the one surface of the main body, while the second unit shaped elements are arranged between the first unit shaped elements on the one surface of the main body.

Optical sheet, surface light source device and transmission-type display device

Optical sheet with unit prisms including unit prism groups

An optical sheet having both of an excellent light condensing function and an excellent scratch resistance is provided. An optical sheet includes: a sheet-like main body; at least three or more first unit shaped elements arranged on one surface of the main body; and second unit shaped elements arranged on the one surface of the main body. Each of the second unit shaped elements extend in parallel with in one direction on a sheet surface of the main body. A height Hof each of the first unit shaped elements from the one surface is higher than a height Hof each of the second unit shaped elements. A rate of an area occupied by the first unit shaped elements on the one surface is not more than 10.0%, when observed along a normal direction nd relative to the one surface.

A package containing a roll of a long electrode plate which is a package for storing a roll of a long electrode plate, making it is possible to simplify the work process of containing and packaging the roll of a long electrode plate and prevent the electrode performance from deterioration without the electrode plate to absorb moisture, be damaged or the like, and the collection of packaging material constituting the package is not necessary since the packaging material is disposable after opening of the package.

Growing community of inventors

Tokyo, Japan

Satoshi Goishihara