Kabushiki Kaisha Toshiba

Toshiba Matsushita Display Technology Co., Ltd.

Toshiba Techno Center Inc.

Yasuharu Tanaka

Hitoshi Hatoh

Teruyuki Midorikawa

Masahito Ishikawa

Masumi Okamoto

Hirotaka Hayashi

Akira Kubo

Nobuko Fukuoka

Masahiro Yoshida

Takashi Nakamura

Akio Murayama

Yasuyuki Hanazawa

Miyuki Ishikawa

Yoshitaka Yamada

Muneharu Akiyoshi

Daisuke Miyazaki

Ryoichi Watanabe

Katsuhiko Inada

Masayuki Dohjo

Atsuyuki Manabe

Masaki Kinoshita

Masato Shoji

Masumi Manabe

Toshihiro Ninomiya

Norihiro Yoshida

Minako Kurosaki

Tsuyoshi Ohyama

A liquid crystal display apparatus according to the present invention includes a pixel array unithaving signal lines and scanning lines respectively arranged side by side, a signal line drive circuitwhich drives the signal lines, a scanning line drive circuitwhich drives the scanning lines, a signal processing output circuitwhich serially outputs the picked-up image data supplied from the sensors, and a sync signal generation circuitA black-white change obtained in the picked-up image data when a finger is brought close to or brought into contact with the pixel array unitis detected, and the coordinate position of the finger is identified taking the ambient brightness into consideration. Regardless of whether the surroundings are bright or dark, therefore, the coordinate position can be detected with high precision. Furthermore, when conducting the coordinate detection, the picked-up image data corresponding to all pixels are not detected, but the picked-up image data are detected every a plurality of pixels in both the signal line direction and the scanning line direction. Therefore, the time taken to detect the coordinates can be shortened.

Display device and information terminal device

A liquid crystal display device comprises an array substrate including a plurality of pixel electrodes, a counter substrate including a counter electrode facing the pixel electrodes, and a liquid crystal layer which modulates reflected and transmitted light of each pixel held between the substrates and defined by a corresponding pixel electrode. In particular, each pixel electrode has a conductive light reflective layer which reflects incident light and at least one opening which is formed as a missing portion of the conductive light reflective film to transmit incident light.

Liquid crystal display device using both reflection and transmission

Liquid-crystal display device

In a liquid crystal display device having a driving liquid crystal cell interposed between two polarizers and , the cell having a liquid crystal layer held between two substrates and , the layer having a twisted molecular alignment when no voltage is applied, and the liquid crystal cell performing optical control, using the optical anisotropy of liquid crystal, there is provided with an optical anisotropic element between the polarizer and the driving liquid crystal cell, the optical anisotropic element comprising an optical anisotropic substance layer in which the optical rotatory power is minimal in the direction of layer thickness and the optical anisotropy is negative. The angle of the optical axis of the optical anisotropic element varies continuously or in stages in the direction of layer thickness of the optical anisotropic element as against the surface of the optical anisotropic element. Furthermore, optical anisotropic element with negative optical anisotropy can be combine to the anisotropically negative element.

Liquid crystal display device with compensation for viewing angle dependency and optical anisotropic element used therein

A color filter is disposed on a switching element array substrate. The color filter is composed of a plurality of kinds of color elements and an aperture. Two of the filter elements are overlapped at one end portion thereof. Each of the filter elements is covered with a pixel electrode. The pixel electrode is connected to the switching element through the aperture. This structure reduces electric coupling between the pixel electrode and the gate and signal lines. Optimum conditions among the overlapped width, and the aperture diameter and location are set to prevent the filter element from peeling off the array substrate so that the production yield can be significantly improved.

Liquid crystal display device and a method of making the same having overlapping color filters with apertures

A method of developing photoresist films formed on a plurality of substrates utilizes a circulated developing fluid to sequentially develop the photoresist films with developing accuracy and controllability secured. It includes the steps of measuring the conductivity and the absorbance of the developing fluid, calculating the pH value or its equivalence thereof in accordance with the conductivity and absorbance measured in the measuring step; and maintaining the pH value or its equivalence to be in a predetermined range. There are also disclosures as to an apparatus for developing photoresist films, and a color filter and a liquid crystal display device manufactured by the method of developing photoresist films.

Method of developing a photoresist pattern and a developing apparatus

In an electooptical liquid crystal device comprising an OCB mode liquid crystal cell and an optically anisotropic element compensating a viewing angle characteristics of the cell, the optically anisotropic element satisfies the elliptical coefficient Z of the index ellipsoid of the optically anisotropic element,

Electrooptical liquid crystal device

A liquid crystal display device having an array substrate. The substrate has: (1) an insulating transparent substrate that has a pixel region and a non-pixel region, (2) a plurality of thin film transistors disposed in a matrix pattern on a display screen, each thin film transistor having a gate insulating film that is produced by an atmosphere pressure chemical vapor deposition; (3) a plurality of display pixel electrodes formed on the pixel region of the insulating transparent substrate, each display pixel electrode being connected to each of the thin film transistors; and (4) a protecting film formed on the non-pixel region of the insulating transparent substrate, the protecting film extends from the non-pixel region and overlaps a peripheral portion of each of the display pixel electrodes that are disposed in a portion of the display screen by a width of 2 .mu.m to 7 .mu.m. The display also has a counter substrate that is disposed apart from and facing the array substrate. A sealant layer is disposed at peripheries of the array substrate and the counter substrate so as to seal a space between the array substrate and the counter substrate and is provided with a liquid crystal-inlet port. A liquid crystal layer fills in a space between the array substrate and the counter substrate. The liquid crystal layer being injected in the space from the liquid crystal-inlet port. A closing layer is used to close the liquid crystal-inlet port.

Liquid crystal display device with a protecting film that partially

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Fukaya, Japan

Yasuharu Tanaka