Hitachi, Ltd.

Hitachi Displays, Ltd.

Hitachi Device Engineering Co., Ltd.

Other

Masahiko Suzuki

Katsuhiko Yarita

Yoshihiro Imajo

Naoto Kobayashi

Yoshio Toriyama

Hironori Kondo

Kaoru Hasegawa

Junichi Ohwada

Kuniyuki Matsunaga

Kikuo Ono

Makoto Tsumura

Yoshiaki Nakayoshi

Toshiki Kaneko

Masahiro Ishii

Kazuhiro Ogawa

Kenichi Onisawa

Nagatoshi Kurahashi

Shiro Ueda

Tetsuro Minemura

Kimitoshi Ohgiichi

Yoshiyuki Umeda

Tsutomu Isono

Kenichi Hashimoto

Tatsuo Kamei

Kaori Miyazaki

Hikaru Itoh

Kenichi Iwamoto

Hiroki Sakuta

Yoshiomi Yoshii

Yuji Yamakawa

Tsutomu Furuhashi

Keiichiro Ashizawa

Hideaki Yamamoto

Masaaki Kitajima

Yoshihisa Ooishi

Mitsuo Nakatani

Akira Ishii

Kazuyoshi Kawabe

Masumi Sasuga

Jun-ichi Ohwada

Kunihiko Watanabe

Keiichirou Ashizawa

Masataka Natori

Hideki Kuriyama

Kimitoshi Oogiichi

Hikaru Ito

Masahiro Ukisu

Tomoyuki Ariyoshi

Tustomu Isono

Hirobumi Kunito

Jun Kikumoto

Koaru Hasegawa

Herein disclosed are a liquid crystal display device and a data processing device, which can have their frame portions reduced in area to reduce the size and weight by extracting the terminals of video signals to only one side of a liquid crystal display panel and by arranging a video signal line driving circuit substrate to be connected with the terminals, only at one side of the display panel.

Liquid crystal display device video having signal driving circuit mounted on one side

Herein disclosed are a liquid crystal display device and a data processing device, which can have their frame portions reduced in area to reduce the size and weight by extracting the terminals of video signals to only one side of a liquid crystal display panel and by arranging a video signal line driving circuit substrate to be connected with the terminals, only at one side of the display panel.A liquid crystal display device includes a liquid crystal display panel, a light guide plate, a fluorescent tube, and a lamp reflector. First and second lamp cables of different length are connected to the fluorescent tube. One end of the fluorescent tube is inserted in a hole of a first rubber bush and a part of the one end of the fluorescent tube is connected to the first lamp cable in the hole of the first rubber bush and an other end of the fluorescent tube is inserted in a hole of a second rubber bush and a part of the other end of the fluorescent tube is connected to the second lamp cable in the hole of the second rubber bush. The first and second lamp cables are extracted from a same place of a mold case.

Liquid crystal display device having a mold case and rubber bushes for receiving ends of a fluorescent tube enabling connection of lamp cables thereat

Herein disclosed are a liquid crystal display device and a data processing device, which can have their frame portions reduced in area to reduce the size and weight by extracting the terminals of video signals to only one side of a liquid crystal display panel and by arranging a video signal line driving circuit substrate to be connected with the terminals, only at one side of the display panel.A liquid crystal display device includes a liquid crystal display panel, a light guide plate, a fluorescent tube, and a lamp reflector. First and second lamp cables of different length are connected to the fluorescent tube. One end of the fluorescent tube is inserted in a hole of a first rubber bush and a part of the one end of the fluorescent tube is connected to the first lamp cable in the hole of the first rubber bush and an other end of the fluorescent tube is inserted in a hole of a second rubber bush and a part of the other end of the fluorescent tube is connected to the second lamp cable in the hole of the second rubber bush.

Liquid crystal display device having rubber bushes for receiving ends of a fluorescent tube and enabling connection of lamp cables thereat

In a liquid crystal display device, in each unit pixel which is formed as a region surrounded by scanning signal lines and date signal lines includes pixel electrode to which signals of the date signal line is electrically supplied through a thin film transistor and common electrode which are electrically connected with the common signal line, and common signal electrode is arranged to be superposed on the common signal line by way of an insulation layer, and the pixel electrode is electrically connected with a source electrode of the thin film transistor via a through hole which penetrates the insulation layer, and the common electrode is formed such that the common electrode extend in the inside of the unit pixel while covering the common signal line.

Liquid crystal display device

A metal heat diffusion member is formed below a transparent electrode by way of an insulation film such that the metal heat diffusion member is superposed on the transparent electrode. The heat diffusion member includes a projecting portion at a portion thereof remoter than a distance between the heat diffusion member and a thin film transistor, and the heat diffusion member is superposed on the transparent electrode at the projecting portion.

Display device having metal heat diffusion member

In a liquid crystal display device, in each unit pixel which is formed as a region surrounded by scanning signal lines and data signal lines, that is a pixel electrode to which signals of the data signal line are electrically supplied through a thin film transistor, and a common electrode is provided, which is electrically connected with a common signal line. The common electrode is arranged so as to be superposed on the common signal line by way of an insulation layer. The pixel electrode is electrically connected with a source electrode of the thin film transistor via a through hole which penetrates the insulation layer, and the common electrode is formed so as to extend in the inside of the unit pixel, while covering the common signal line.

Liquid crystal display device with the source electrode having a projecting portion

A liquid crystal display device is provided with a pair of substrates which are arranged to face each other in an opposed manner and a liquid crystal layer which is sandwiched between main surfaces of a pair of substrates. On the main surface of one of the pair of substrates which faces the liquid crystal layer, pixel regions including switching elements, pixel electrodes which are connected to the switching elements and a protective film which is disposed at liquid crystal layer side of the switching elements are formed. In such a liquid crystal device, the protective film is formed by laminating the plurality of material layers which include at least a first material layer and a second material layer which is arranged closer to the liquid crystal layer side than the first material layer. Further, the second material layer exhibits resistivity which is lower than resistivity of the first material layer and higher than resistivity of silicon or semiconductor layers which constitute channels of the switching elements. Due to such a constitution, the image retention which is generated on a display screen of the liquid crystal display device can be reduced.

Liquid crystal display device and manufacturing method thereof

In a liquid crystal display device including a liquid crystal panel for displaying a tone in correspondence with a potential difference between a drain voltage and a common voltage, a drain driver circuit for generating the drain voltage corresponding to display data and applying the drain voltage to the liquid crystal panel, and a gate driver circuit for selecting a scanning line in the liquid crystal panel to which the drain voltage is applied, a power-supply circuit executes a comparative calculation of a reference common voltage and a feedback common voltage, then applying, to the liquid crystal panel, the common voltage obtained as a result of the comparative calculation, the reference common voltage whose potential level having been adjusted, the feedback common voltage is fedback from the liquid crystal panel.

Liquid crystal display with casing structure

A liquid crystal display device having a liquid crystal display element, a backlight for supplying light to the liquid crystal display element and a case for accommodating the liquid crystal display element and the backlight. The backlight has a light guide plate and a lamp unit, wherein the lamp unit providing a fluorescent tube, bushings made of an insulating material, a lamp reflector and a lamp cable and the lamp reflector holds the fluorescent tube through the bushings, and made by bending a stiff metal plates.

Back light system for minimizing non-display area of liquid crystal display device

A flat cable including a conductive foil and insulating films is used for the lamp cable that supplies voltage to the fluorescent tube to reduce the installation space of the lamp cable and thereby to reduce the picture-frame area of the liquid crystal display device.

Back light system for minimizing non display area of liquid crystal

A liquid crystal display device has an insulating first substrate, a plurality of pixels, a plurality of image signal lines, a plurality of scanning signal lines, first and second common wirings disposed on the first substrate outside the display area constituted by a plurality of the pixels, a first electrostatic protection circuit disposed between the first common wiring and the scanning signal line for causing static electricity occurring in the scanning signal line, a second electrostatic protection circuit disposed between the second common wiring and the image signal line for causing static electricity occurring in the image signal line to flow through the second common wiring, a transparent second substrate opposing the surface of the first substrate on which the first and second common wirings are disposed, through a liquid crystal layer, and a conductor disposed between the first and second substrates for electrically connecting electrodes disposed on the second substrate to terminals disposed on the first substrate, wherein the first and second common wirings are electrically connected by a conductor member made of the same material as that of the conductor.

Liquid crystal display device with protection circuit for electrostatic

Liquid crystal device having resistor elements

Liquid crystal display device video having signal driving circuit

Growing community of inventors

Mobara, Japan

Masahiko Suzuki