Canon Kabushiki Kaisha

Nippon Steel Corporation

Nippon Steel Sumitomo Metal Corporation

Kabushiki Kaisha Toshiba

Nippon Telegraph and Telephone Corporation

Other

Kaneka Corporation

Kabushiki Kaisha Sanki

Asahi Kasei Kabushiki Kaisha

Mitsubishi Cable Industries, Ltd.

Hitachi Media Electronics Co., Ltd.

Sanki Kogyo Yugen Kaisha

Masayuki Abe

Atsushi Okuyama

Jun Maki

Kazuhisa Kusumi

Yuya Kurata

Atsushi Fujioka

Kengo Takeda

Shinichi Yamaguchi

Jun Koide

Tatsuo Chigira

Minoru Ohkoba

Yasushi Tsukano

Yuji Koyama

Teppei Kurosawa

Masao Ono

Masao Kurosaki

Hiroyuki Kodama

Yutaka Yamaguchi

Norihiro Kawahara

Takashi Morohoshi

Masaharu Oka

Tadayoshi Shiraishi

Masanori Ueda

Toshinori Ikehara

Kenichiro Miyamoto

Masafumi Zeze

Hiroshi Sugano

Daisuke Ogawa

Masaru Yamamura

Takeshi Kawashima

Ryusuke Miura

Shintaro Kusunoki

Yasuhiro Kinari

Shinya Nakajima

Hiroki Yamamoto

Noriyuki Suzuki

Keiji Ohtaka

Yasuyoshi Ueda

Takashi Aramaki

Kunio Hayashi

Nobuhiro Fujita

Manabu Takahashi

Yasuto Goto

Kenichi Miyazawa

Yuji Ogawa

Tatsuaki Okamoto

Shiro Kitamura

Shuji Yamamoto

Shinichi Teraoka

Kenichi Mizuishi

Akihiko Takahashi

Hironori Sato

Go Yamamoto

Shoji Ichimasa

Hidekuni Murakami

Toshiaki Mizoguchi

Shunji Sakamoto

Koutarou Suzuki

Kazuo Ohta

Yoshiyuki Ueshima

Katsuhiko Kato

Toshiyuki Suehiro

Hidehiko Sumitomo

Tadashi Komori

Naoto Ono

Yuzo Takahashi

Yoshihisa Takada

Fumitaka Hoshino

Masahiro Ohgami

Eiichiro Fujisaki

Shigeru Minamino

Kunio Nishimura

Shinya Matsubara

Taishi Hitomi

Haruhiko Eguchi

Hironori Satoh

Tadayuki Abe

Hiromi Sugo

Miyako Ohkubo

Keiji Otaka

Fumio Kurosawa

Fumiaki Miura

Shuzo Imai

Tetsuya Miki

Tetsuo Yoshimoto

Kensai Shitani

Akihiro Otani

Norihiro Fujita

Masahiro Oogami

Toshiyuki Kanda

A wavelength conversion element includes a fluorescent portion in which fluorescent particles are dispersed in a binder. The fluorescent portion has a first surface and a second surface which are opposite to each other in a thickness direction and excitation light is irradiated from a second surface side. A volume density of the fluorescent particles in a first portion is higher than that in a second portion where the fluorescent portion is divided in the thickness direction into two of the first portion on a first surface side and the second portion on the second surface side. A thickness of the fluorescent portion is at least 5 times as long as an average particle size of the fluorescent particles.

Wavelength conversion element, light source apparatus, and image projection apparatus

In order to reduce variations in pressing force of a printing nip to make the printing pressure uniform, an apparatus that performs printing on a substrate using a roll-to-roll method according to an aspect of the present application includes: an ink supply member that supplies a printing ink; a blanket cylinder () that transfers part of the ink, which has been supplied from the ink supply member and applied on a surface of the blanket cylinder, onto the substrate; a roller mold () that removes part of the ink applied on the surface of the blanket cylinder (); a base () on which the blanket cylinder () is fixed; a slider () that supports the roller mold () and moves on the base (); a moving resistance reduction device () that reduces a moving resistance of the slider () relative to the base (); and a roller mold nip device () that applies, to the roller mold (), a nip pressure against the blanket cylinder ().

Printing apparatus

The wavelength conversion element includes a quantum dot layer containing at least one of quantum dots and quantum rods, the quantum dots and rods converting a first light from a light source into a second light whose wavelength is different from that of the first light, and a fluorescent body layer containing a fluorescent body that converts the first light into a third light whose wavelength is different from that of the first light. The quantum dot layer and the fluorescent body layer are arranged in this order from a light entrance side on which the first light enters the wavelength conversion element or in reverse order. The second light and the third light exit from the quantum dot layer.

Wavelength conversion element, light source apparatus and image projection apparatus

A group structure preserving signature system that can be applied to groups based on symmetric bilinear mapping, that reduces the signature length, and that enables efficient computation of verification equations is provided. At least, information indicating p, G, G, G, e, g, and g, information needed to obtain e(h, h), and data that includes g, h, g, h, {g, h}, . . . , {g, h} are held as a public key vk, and data that includes vk, &#x3b3;, &#x3b4;, &#x3b3;, &#x3b4;, &#x3b4;, &#x3b4;, {&#x3b3;, &#x3b4;}, . . . , {&#x3b3;, &#x3b4;} are held as a secret key sk. A signature device selects &#x3b6; and &#x3c1; at random from integers between 0 and p&#x2212;1, both inclusive, obtains w, s, t, and r, and generates, as a signature &#x3c3;, data that includes w, s, t, and r. A verification device verifies the signature &#x3c3; by using two verification equations.

Signature verification system, signature-device, verification device, and signature verification method

A light source device includes a wavelength conversion element having a fluorescent body for converting a wavelength of light from a light source, a light condensing member for condensing light from the light source to the wavelength conversion element, the light condensing member being arranged to face a surface of the fluorescent body, and a heat conductive member having heat conductivity greater than heat conductivity of the light condensing member, wherein an area where at least a part of the fluorescent body, the heat conductive member, and the light condensing member are overlapped and in contact with each other in this order is arranged, when viewed from an optical axis direction of the light condensing member.

Light source device and projection type display apparatus including light source device

The present invention has as its object the provision of steel sheet for hot stamping use which is excellent in part strength after hot stamping and delayed fracture resistance comprised of large C content high strength steel sheet in which effective hydrogen traps are formed in the steel material. The steel sheet of the present invention solves this problem by forming Fe&#x2014;Mn-based composite oxides in the steel sheet and trapping hydrogen at the interfaces of the composite oxides and matrix steel and in the voids around the composite oxides. Specifically, it provides steel sheet for hot stamping use which is comprised of chemical ingredients which contain, by mass %, C: 0.05 to 0.40%, Si: 0.02% or less, Mn: 0.1 to 3%, S: 0.02% or less, P: 0.03% or less, Al: 0.005% or less, Ti: 0.01% or less, N: 0.01% or less, one or both of Cr and Mo in a total of 0.005 to 1%, and O: 0.003 to 0.03% and which have a balance of Fe and unavoidable impurities and which contains average diameter 0.1 to 15 &#x3bc;m Fe&#x2014;Mn-based composite oxide particles dispersed in the steel sheet or furthermore has crushed voids around the composite oxide particles, a method of production of the same, and a method of production of a hot stamped high strength part.

Steel sheet for hot stamping use, method of production of same, and method of production of high strength part

The liquid crystal drive apparatus includes a tone setter that sets drive tones depending on input tones that are tones of an input image, a driver that controls, depending on the drive tones, a voltage applied to each of multiple pixels of a liquid crystal element to a first voltage or a second voltage lower than the first voltage in respective multiple sub-frame periods included in one frame period to cause that pixel to form a tone or controls a drive voltage applied to each of the multiple pixels, and a temperature detector that detects a temperature of or around the liquid crystal element. The tone setter changes, when the input tones include a first tone and a second tone higher than the first tone, the drive tone for the second tone depending on the detected temperature.

Liquid crystal drive apparatus, image display apparatus and storage medium storing liquid crystal drive program

The liquid crystal drive apparatus controls application of a first or second voltage to each pixel of a liquid crystal element in respective sub-frame periods in one frame period to cause that pixel to form a tone. The sub-frame period where the first voltage is applied to the pixel is referred to as an ON period, the sub-frame period where the second voltage is applied to the pixel is referred to as an OFF period. The sub-frame period corresponding to the ON and OFF periods respectively for first and second pixels of two mutually adjacent pixels is referred to as an ON/OFF adjacent period. The apparatus provides, when causing the first and second pixels to form tones adjacent to each other, a plurality of the ON/OFF adjacent periods each being 1.0 ms or less separately from each other in the one frame period.

The liquid crystal drive apparatus controls application of a first or second voltage to each pixel of a liquid crystal element in respective multiple sub-frame periods included in one frame period to cause that pixel to form a tone. The sub-frame period where the first voltage is applied to the pixel is referred to as an ON period, and the sub-frame period where the second voltage is applied to the pixel is referred to as an OFF period. The apparatus provide, when causing the pixel to form the tone using the ON period, multiple ON period sets separately from each other in the one frame period. Each ON period set includes one or more ON periods. The apparatus sets a temporal interval between temporal centers of the respective ON period sets to 60% or less of the one frame period or to 5.0 ms or less.

The liquid crystal drive apparatus drives a liquid crystal element. The apparatus includes an image data producer producing, using each of multiple input frame image data continuously input thereto, first frame image data and second frame image data, and a driver sequentially controlling, depending on the first frame image data and the second frame image data, application of a first voltage or a second voltage lower than the first voltage to each of multiple pixels of the liquid crystal element in respective multiple sub-frame periods included in one frame period to cause that pixel to form a tone. Pixel data at pixel positions corresponding to each other in the first and second frame image data have mutually different tones. A tone difference between the mutually different tones is 20% or less of a higher one of the mutually different tones.

Liquid crystal drive apparatus, image display apparatus capable of reducing degradation in image quality due to disclination, and storage medium storing liquid crystal drive program capable thereof

A medium carbon steel sheet for cold working that has a hardness of 500 HV to 900 HV when subjected to high-frequency quenching and a quick cooling to a room temperature is carried out. The medium carbon steel sheet includes, by mass %, C: 0.30 to 0.60%, Si: 0.06 to 0.30%, Mn: 0.3 to 2.0%, P: 0.03% or less, S: 0.0075% or less, Al: 0.005 to 0.10%, N: 0.001 to 0.01%, and Cr: 0.001 to 0.10%, the balance composed of Fe and inevitable impurities. An average diameter d of a carbide is 0.6 &#x3bc;m or less, a spheroidizing ratio p of the carbide is equal to or more than 70% and less than 90%, and the average diameter d (&#x3bc;m) of the carbide and the spheroidizing ratio p % of the carbide satisfy the expression d&#x2266;0.04&#xd7;p&#x2212;2.6.

Medium carbon steel sheet for cold working and method for manufacturing the same

A hot stamped high strength part in which the propagation of cracks which form at the plating layer at the time of hot stamping when hot stamping aluminum plated steel sheet is suppressed and the post painting anticorrosion property is excellent even without adding special ingredient elements which suppress formation of cracks in an aluminum plating layer is provided. A hot stamped high strength part which is excellent in post painting anticorrosion property, which hot stamped high strength part has an alloy plating layer which includes an Al&#x2014;Fe intermetallic compound phase on the surface of the steel sheet, wherein the alloy plating layer is comprised from phases of a plurality of intermetallic compounds, a mean linear intercept length of crystal grains of a phase containing A1: 40 to 65 mass % among the phases of the plurality of intermetallic compounds is 3 to 20 &#x3bc;m, an average value of thickness of the Al&#x2014;Fe alloy plating layer is 10 to 50 &#x3bc;m, and a ratio of the average value of thickness to the standard deviation of thickness of the Al&#x2014;Fe alloy plating layer satisfies the following relationship: &#x25ef;&#x3c;standard deviation of thickness/average value of thickness &#x2266;0.15.

Hot stamped high strength part excellent in post painting anticorrosion property and method of production of same

In a subscriber's facility of an announcement broadcasting system utilizing an optical fiber cable TV network, an announcement broadcasting optical receiver receiving an optical transmission signal of audio information and outputting an audio information electric signal for an announcement broadcasting terminal is provided. The announcement broadcasting optical receiver includes: a photo-detection section for converting the optical transmission signal into the audio information electric signal; a photoelectric conversion section, which is connected to the photo-detection section, for converting the optical transmission signal that the photo-detection section receives into electric energy; and an RF signal potential transformation section, to which the electric energy obtained by the photoelectric conversion section is supplied, for potential-transforming the audio information electric signal output from the photo-detection section to one at an input voltage level appropriate to the announcement broadcasting terminal and outputting it.

Announcement broadcasting system, announcement broadcasting optical receiver used for the announcement broadcasting system, cable television broadcasting system, and optical receiver used for the cable television broadcasting system

The liquid crystal display apparatus includes a liquid crystal modulation element including first and second electrode, a liquid crystal layer disposed between the first and second electrodes, a first alignment film disposed between the first electrode and the liquid crystal layer, and a second alignment film disposed between the second electrode and the liquid crystal layer. The apparatus further includes a controller that respectively provides first and second electric potentials to the first and second electrodes such that a sign of an electric field generated in the liquid crystal layer is cyclically inverted in a modulation operation state. The controller respectively provides third and fourth electric potentials to the first and second electrodes such that the sign of the electric field is fixed in a state other than the modulation operation state. The apparatus can avoid an influence by cumulated charged particles without adding a new member.

Liquid crystal display apparatus

Growing community of inventors

Tokyo, Japan

Masayuki Abe