Hitachi, Ltd.

Other

Hitachi Displays, Ltd.

Panasonic Liquid Crystal Display Co., Ltd.

Japan Display Inc.

Renesas Technology Corp.

Hitachi Video and Information System, Inc.

Du Pont-mitsui Polychemicals Co., Ltd.

Hitachi Electronic Device Co., Ltd.

Hiroshi Ito

Nobuhiko Hosotani

Koji Hagiwara

Mitsuru Watanabe

Haruhiko Yoshida

Masahiro Ito

Takashi Namekawa

Kenichi Yoshida

Yuichi Sawai

Takashi Naitou

Mitsuo Hayashibara

Takashi Maruyama

Hitoshi Yokota

Hironori Oikawa

Kazunori Ojima

Osamu Shiono

Kazuma Kishi

Mikihiro Tanaka

Hiroyuki Inokuchi

Hiroki Yamamoto

Hideaki Abe

Akira Yamagiwa

Hiroshi Yamada

Hitoshi Matsushima

Shigemi Hirasawa

Yoshihiro Kondo

Ryoichi Kurihara

Toshio Hatada

Hideki Kamimaki

Kiyokazu Nishioka

Takeshi Kaneki

Kenta Kumagai

Tsuguji Tachiuchi

Hisashi Nose

Shinji Tanabe

Motoyuki Miyata

Susumu Iwai

Kiyoshi Sento

Takao Ohba

Hiroyuki Akata

Shinichi Shimode

Akira Hatori

Nobuo Tsuchiya

Masakazu Sakaue

Kazuo Morita

Masahiro Jinushi

Koichi Isaji

Akiyoshi Iida

Yasuhiro Uemura

Masayuki Yanagihara

Toshihiro Komatsu

Keiichi Kanazawa

Shunichi Matsumoto

Hitoshi Sadamitsu

Toru Fukada

Atsushi Fukai

Nobuaki Ejima

Masatoshi Akiyama

Kazuyuki Nishimura

Kenji Kawamata

Takashi Yoshitomi

Shouhei Fuse

Tetsuro Homma

A projecting portion is formed on first and second side walls of the inner frame parallel to two sides of the non-overlapping region of the first substrate which intersect with one side of the non-overlapping region of the first substrate. The projecting portion of the inner frame has an opening portion. The lower frame has an opening portion through which the projecting portion of the inner frame penetrates. The projecting portion of the inner frame penetrates the opening portion of the lower frame and projects to a side of the lower frame opposite to the display panel. A protruding portion is formed on the casing correspondingly to the projecting portion of the inner frame. The inner frame is fixed to the casing by making an opening portion formed in the projecting portion of the inner frame engage with the protruding portion of the casing.

Display device with display panel and backlight

A display device of the invention includes a display panel attached to one face side of a light transmissive circuit board and a light transmissive substrate attached to the other face side of the circuit board. A mounted component is mounted on the other face side of the circuit board. The circuit board includes a light transmissive junction layer for joining the circuit board to the light transmissive substrate at a position avoiding the mounted component. The junction layer includes a core substrate formed of a resin, an adhesive layer formed on one face of the core substrate, and a bonding layer formed on the other face of the core substrate and cured. The adhesive layer is adhered to the circuit board, and the bonding layer is firmly fixed to the light transmissive substrate.

Display device and manufacturing method thereof

It is an object of the present invention to provide a spacer which has an adequate Young's modulus for a spacer used in an image display panel and allows free adjustment of an electric resistance value, and an image display panel using the spacer. The spacer SPC holds a gap between a back panel PNLincluding a signal line CL, a scanning line GL, and an electronic source ELS provided for the main surface of a back substrate SUB, and a front panel PNLincluding a fluorescent material PH, a black matrix BM, and an anode AD provided for the main surface of a front substrate SUB. The spacer comprises phosphate glass including the same transition metal element with different valences. For electrical conduction, the included same transition metal element with different valences allows the use of hopping conduction between transition metal atoms with different valences to perform adjustment of electric resistance relatively easily. The transition metal element is at least one of vanadium (V), tungsten (W), molybdenum (Mo), niobium (Nb), and iron (Fe).

Spacer and image display panel using the same

A conductive material comprising a VO&#x2014;POglass and a second phase dispersed in the VO&#x2014;POglass, wherein the second phase contains a crystalline V and O compound and a crystalline metal phosphate compound. The crystalline V and O compound is at least one of VO, VO, VO, and VO. The metal phosphate compound is a phosphate compound of transition metal or alkaline-earth metal. In a visual display device, glass spacers are bonded to glass panels with the conductive material.

Conductive material, method of producing the same, visual display device, and glass spacer thereof

Disclosed herein is an improved logic module used for logic emulation along with an enhanced logic emulation board subject to logic verification. The logic module has a plurality of programmable LSIs capable of programming logic and a plurality of switching LSIs capable of programming connections, the LSIs being mounted on one or both sides of a board. Peripheral portions of the board carry connectors for electrical connection to the outside. There are two types of data lines: those directly coupling the connectors to the programmable LSIs, and those linking the connectors to the programmable LSIs via the switching LSIs. The programmable and switching LSIs constitute a crossbar connection arrangement. The logic emulation board has connectors for connection to a logic emulation module, and lands for supporting LSIs targeted for development. Pins of the connectors and the lands are interconnected on a one-to-one basis. Also disclosed here is an upgraded module structure permitting a multiple-stage module setup together with an advanced cooling structure for modules.

Logic emulation module and logic emulation board

There is provided a technology for realizing an PCI expansion adapter for a PC card which is connectable to a desktop type personal computer PCI expansion connector using a low profile PCI. The PCI expansion adapter includes an expansion unit which is provided with an electrical connector to a PCI bus, a low profile PCI expansion board provided with a PC card control element and an electrical connector to the PC card, wherein the low profile PCI expansion board and the expansion unit are connected by the electrical connectors mounted on the respective boards.

PCI expansion adapter with PC card slot and electronic apparatus provided with the same

A color cathode ray tube includes a generally rectangular shadow mask structure in which a skirt portion of a shadow mask is secured to a support frame. The shadow mask is formed by an apertured portion having a large number of electron beam transmission apertures, an imperforate portion disposed around the entire periphery of the apertured portion, a skirt portion being bent back and drooping from the entire periphery of the imperforate portion, and a support frame including a rectangular frame portion. The skirt portion of the shadow mask is secured to the inside of the rectangular frame portion, and a bent portion of the shadow mask, which defines a transitional region between the imperforate portion, and the skirt portion is formed in a shape where long sides are recessed inwardly and ends of the long sides of the skirt portion come into contact with the frame portion.

Color cathode ray tube having a shadow mask structure

A color cathode ray tube includes an evacuated envelope having a generally rectangular panel portion, a narrow neck portion having a circular cross-section and a funnel portion tapering down from a panel-portion side thereof toward a neck-portion side thereof for connecting the panel portion and the neck portion, a three-color phosphor screen formed on an inner surface of the panel portion, an electron gun housed in the neck portion, and an internal conductive film extending from an inner wall of the neck portion to an inner wall of the funnel portion. The funnel portion is provided with a yoke-mounting portion of generally truncated quadrilateral-pyramidal shape for mounting a beam deflection yoke therearound on the neck-portion side of the funnel portion. The internal conductive film is formed of a first part and a second part, the first part is formed of graphite, metallic oxide and potassium silicate, and the second part is formed of graphite and potassium silicate. The first part extends from the neck portion in the vicinity of a forward end of the electron gun to a position in the yoke-mounting portion spaced a distance in a range of 60 mm to 150 mm from a splice line between the neck portion and the funnel portion, and the second part overlaps with the first part at opposing ends thereof and extends to a vicinity of a seal line between the funnel portion and the panel portion.

CRT having an improved internal conductive coating and making the same

A color cathode ray tube includes a shadow mask having an apertured portion, an imperforate portion and a skirt portion. The shadow mask of an iron-nickel alloy is suspended within a support frame, has a descending step portion around the imperforate portion, the skirt portion which is fitted in the support frame is integral with the descending step portion, is provided with plural beads parallel with a height of the skirt portion and protruding inward. The descending step portion satisfies one of conditions (a)-(c) of (a) its height is from 30% to of H , (b) its width is from 65% to 80% of W , or (c) its height H and width W are from 30% to 50% of H and from 65% to 80% of W , respectively, where H and W are its height and width at centerlines of long and short sides of the skirt portion, respectively.

Shadow mask type color cathode ray tube having a shadow mask with curls thereof reduced

A color cathode ray tube includes a vacuum envelope comprised of a neck portion having a circular cross section and a funnel portion having a deflection yoke mounting region of pyramidal shape at a side which is connected to said neck portion. In this color cathode ray tube, an inflection edge in which an inner surface angle changes from an inner wall of the deflection yoke mounting region to a panel portion side inner wall of said funnel portion is formed on an inner surface of a funnel portion at a panel portion side terminal end of the deflection yoke mounting region, and an angle made by a straight line which passes through an endmost face of the inflection edge and is perpendicular to the tube axis and a tangent line at the endmost face is within 5&deg;-11&deg;. The pyramidal deflection yoke mounting region has the inner wall opening perpendicular to the tube axis direction formed in a pin cushion shape and recesses having a curvature are formed at respective corners. The distance between a first straight line which connects bottom portions of neighboring recesses of the corner portions and a second straight line which is in contact with a central point of an inner wall between the neighboring corners and is parallel with the first straight line is not more than 2.0 mm or preferably not more than 0.1 mm, provided that said tube axis direction is taken as &plus;.

Cathode ray tube

A color cathode ray tube includes a generally rectangular shadow mask having a curved apertured portion having a multiplicity of electron-transmissive apertures, a curved imperforate portion surrounding and integral with the apertured portion and a skirt portion bent back from a periphery of the curved imperforate portion, and a generally rectangular support frame for suspending the shadow mask by spot welding the skirt portion thereto, within a panel portion of the color cathode ray tube. The skirt portion is provided with a plurality of embossments and is fitted inside the support frame. The embossments protrude inwardly and extend in a direction of a height of the skirt portion. A distance between a bottom of each of the plurality of embossments and a border of the curved apertured portion is at least 4.5 mm.

Color cathode ray having a shadow mask structure with curl reduced in a skirt portion thereof

The shadow mask equipped for a shadow mask type color cathode ray tube of this invention is placed in order to face in the inside of panel portion having a fluorescent screen. The original plate with a porous portion of substantially rectangle state which establish a large number of electron beam passage holes is pressed is shaped. The diameter of the electron beam passage holes is smaller in the four corner regions than the center region of the porous portion. The width of the bridge which connects electron beam passage holes which adjoins for the oblique direction is bigger in four corner regions than the center region of porous portion. Therefore, the strength of the corner region of porous portion rises, as compared to the prior art, as it is close to the corner edge. As the result, the extension deformation of the aperture is suppressed, even if the considerably big transformability is applied in dot state electron beam passage holes in the corner region in composing the shadow mask unitedly by press shaping.

Shadow mask type color cathode ray tube having variable aperture diameter

A color cathode ray tube includes a rectangular shadow mask made of an Fe-Ni alloy material, and having an apertured portion, an imperforate portion surrounding the apertured portion and a skirt portion bent back from the imperforate portion, and a rectangular support frame for suspending the shadow mask by spot welding the skirt portion thereto. The skirt portion is provided with plural slits and plural embossments extending in a direction of the height of the skirt portion in one of long and short sides of the skirt portion, and the slits and embossments are juxtaposed around a circumference of the skirt portion. A majority of the slits in the one of the long and shirt sides of the skirt portion are slits delimiting continuous openings in the skirt portion which are not bridged by members other than the support frame.

Color cathode ray tube having an improved shadow mask

A color cathode ray tube is provided with a shadow mask structure which includes a shadow mask formed by integrally forming an apertured portion, an imperforate portion and a skirt portion, and a support frame having a frame portion into which the skirt portion is fitted. The skirt portion of the shadow mask has respective long sides and respective short sides thereof recessed inwardly, and the frame portion has respective long sides and respective short sides formed in planes having no welding bosses, and the skirt portion is fitted into and welded to the frame portion. Furthermore, an end of the outside of the skirt portion and the inner wall of the frame portion have respective entire peripheries thereof come into contact with each other. With such a construction, the shadow mask structure has a small magnetic resistance and the shadow mask is prevented from being vibrated at the time an external vibration is applied to the cathode ray tube. Furthermore, the shadow mask can be easily assembled and can provide an apertured portion which is free from deformation.

Growing community of inventors

Mobara, Japan

Hiroshi Ito