Dai Nippon Printing Co., Ltd.

Nittobo Acoustic Engineering Co., Ltd.

Yuichi Miyazaki

Shin Miyanowaki

Youichirou Oohashi

Yasuhiko Ishii

Tadafumi Shindo

Yasushi Sato

Hironori Kamiyama

Nobuhito Toyama

Hidenori Yoshioka

Keiko Sekine

Satoko Maenishi

Masafumi Tanaka

Hidetake Takahara

Keiko Tazaki

Kazuo Matsufuji

Takafumi Shibata

Yoshihiro Fukui

Shinya Kiura

Yuri Shimozaki

Toshio Yoshihara

Yusuke Hagiwara

Nobuo Naito

Yasuki Suzuura

Kazuo Umeda

Yuudai Yamashita

Runa Nakamura

Kazuhiro Takashima

Shinji Ohashi

Takeshi Nishizono

Nobu Masubuchi

Hiroshi Ohyama

Yukihiro Kyouden

Hidetsugu Tazawa

Yuusuke Satou

Takeshi Nisizono

Takeaki Imaizumi

Nozomi Kaga

A touch panel sensor includes a substrate and an electrode having a detection electrode and an extraction electrode connected to a detection electrode. The electrode, in any cross-section thereof in the thickness direction, includes a metal layer which occupies at least part of the cross-section. The metal layer of the detection electrode and the metal layer of the extraction electrode are formed integrally at a joint between the detection electrode and the extraction electrode. The detection electrode includes a conductive mesh having conductive wire arranged in a mesh pattern, the conductive wire having a height of not less than 0.2 &#x3bc;m and not more than 2 &#x3bc;m and a width of not less than 1 &#x3bc;m and not more than 5 &#x3bc;m. The conductive wire of the conductive mesh each have a base surface on the substrate side, and a flat top surface located opposite to the base surface.

Touch panel sensor, touch panel device and display device

A diffractive optical element and a light irradiation device which have high optical utilization efficiency, in which, even if the incidence angle of light deviates, the influence on diffracted light is small and desired diffracted light can be stably obtained, and which have little unevenness in diffracted light. A diffractive optical element is provided with a diffractive layer having in a sectional shape a high refractive index part in which a plurality of protruding portions are arranged side by side, and a low refractive index part and including a recessed section formed at least between the protruding portions. The protruding portion has a multistep shape provided with a plurality of step areas having different heights on at least one side of a cross-section thereof, and the cross-section of the protruding portion is at least partially provided with an inclined portion.

Diffractive optical element and light irradiation device

A diffractive optical element is configured to provide desired diffracted light and is excellent in durability. The diffractive optical element shapes light from a light source, wherein the diffractive optical element is provided with a diffractive layer having a periodic structure having low refractive index portions and high refractive index portions, and the high refractive index portions of the periodic structure include one having an aspect ratio of 2 or more.

Diffractive optical element and light irradiation apparatus

In order to improve the scratch resistance of an antireflective article having a moth-eye structure, an antireflective article is provided that has fine protrusions densely arranged therein, and has the interval between adjacent fine protrusions being no more than the shortest wavelength in the wavelength band for antireflection. At least some of the fine protrusions are fine protrusions having a plurality of apexes.

Antireflective article, image display device, production mold for antireflective article and production method for antireflective article production mold

In order to improve the scratch resistance of an antireflective article having a moth-eye structure, an antireflective article is provided that has fine protrusions densely arranged therein, has the interval between adjacent fine protrusions being no more than the shortest wavelength for an electromagnetic wavelength band for antireflection, and wherein: the fine protrusions are arranged in a non-lattice shape in the planar view; and mesh division lines formed upon the valley sections between each adjacent fine protrusions and surrounding each fine protrusion match Voronoi tessellation having the center of gravity of the fine protrusions, in the planar view as the generating point therefor, in at least one area of the antireflective article.

Antireflective article, image display device, and production mold for antireflective article

The pattern printed sheetof the present invention includes a substrateand a non-visible light-reflective transparent patternprinted on a surface of the substrate, wherein an ink for forming the transparent patterncontains a non-visible light-reflective material capable of selectively reflecting a light having a wavelength in a non-visible light range, and the transparent patternprinted on the surface of the substratehas a multilayer structure in section which is repeated at predetermined intervals as observed by a scanning electron microscope, and reflects only a circular polarization component in a predetermined rotation direction relative to an incident light applied thereto. The pattern printed sheet is usable as a coordinate detecting means which is applicable a data input system of a type capable of directly hand-writing input data on an image screen of a display device, and has a reduced weight and a low price, and is readily obtained in the form of a large area sheet and can be mass-produced.

Pattern printed sheet

An infrared ray reflection pattern-printed transparent sheet is provided which can be applied to a data input system of a type of handwriting directly on a screen of a display device and provides a coordinate detect means and which is lightweight, low in a cost, readily increased in an area, possible in mass production and excellent in a read performance. It is an infrared ray reflection pattern-printed transparent sheet in which infrared ray reflective transparent patterns are printed on a surface of a transparent substrate and which is disposed oppositely to a front face of a display device. A cross section obtained by cutting the infrared ray reflective transparent patterns printed on the above transparent substrate in a face orthogonal to the above transparent substrate is formed so that it assumes a multilayer structure comprising a fixed repeating cycle when observed under a scanning electron microscope.

Transparent sheet having a pattern for infrared reflection

The open air layer-type vibration reduction structure is provided with at least one plate-like member of which the obverse surface faces toward the open space side; and a frame spaced at an interval from the reverse surface of the plate-like member, and an air layer is formed between the plate-like member and the frame. An air-permeable ventilation portion is formed at least one of the plate-like member and the frame, such that the average value of the flow resistance on the surface of at least one of the plate-like member and the frame, which forms an air layer, is in a range greater than 0 N&#xb7;s/mand equal to or less than 1,000 N&#xb7;s/m. The ventilation portion may be configured such that the sound pressure level generated within the air layer by applying an external force to the air layer is reduced by 3 dB or more.

Open air layer-type vibration reduction structure

Provided is a reflected pattern-printed transparent sheet in which a high reflection intensity of a non-visible light is obtained and in which a transparency in a visible light region is high. The above transparent sheet is a reflected pattern-printed transparent sheet in which non-visible light reflective transparent patterns are printed on a surface of a transparent substrate and which is mounted oppositely to a front face of a medium capable of displaying images, wherein an ink forming the transparent patterns described above contains a non-visible light reflection material; the non-visible light reflection material is a material having a wavelength selection reflectivity to a wavelength in a non-visible light region; and a thickness of the above transparent patterns is 6 to 20 &#x3bc;m.

Reflection pattern-printed transparent sheet

Provided is a surface film for a polarizing plate in which transparent patterns having a non-visible light reflective regularity are printed on a surface of a substrate and in which a reflection preventive layer or an antiglare layer is formed thereon or on a back side thereof, wherein an ink constituting the above transparent patterns contains a material reflecting a non-visible light. Capable of being provided is a surface film which can suitably be used for providing additional informations to an image display medium in such a manner that data are input by handwriting directly on a display device and in which the function described above is built-in from the beginning without making it necessary for the user to stick later a sheet having the above function.

Surface film for polarizing sheet and polarizing sheet using same

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Tokyo, Japan

Yuichi Miyazaki