Sharp Kabushiki Kaisha Corporation

Other

Nippon Sheet Glass Company, Limited

Semiconductor Energy Laboratory Co., Ltd.

Omron Corporation

Ushio Denki Kabushiki Kaisha

Nippon Sheet Glass

Hiroshi Hamada

Yasuhiko Inami

Hiroshi Nakanishi

Fumiaki Funada

Takashi Shibatani

Hisashi Uede

Hiroshi Take

Noriko Watanabe

Tadanori Hishida

Hiroshi Nakauchi

Naofumi Kimura

Kohzo Yano

Akiyoshi Fujii

Toshiaki Takamatsu

Kozo Yano

Yoshihiro Mizuguchi

Kenjiro Hamanaka

Akitsugu Hatano

Hiroshi Kuwagaki

Sadatoshi Takechi

Hiromi Kato

Hajime Shoji

Naoyuki Tanaka

Shunpei Yamazaki

Yoshiharu Hirakata

Takeshi Nishi

Takeshi Yamaguchi

Hiromi Katoh

Kenichi Nakama

Satoshi Taniguchi

Hiroaki Kato

Tomio Wada

Akihito Jinda

Katubumi Koyanagi

Toshihiko Hirobe

Shunichi Naka

Toshio Takemoto

Ikuo Takahara

Masao Yoshikawa

Shinichi Ogawa

Shuhei Tuchimoto

Koichi Miyachi

Yoshihiro Izumi

Yutaka Takafuji

Mitsuhiro Koden

Hiroyuki Nemoto

Kazuhiko Tsuda

Shigeru Aoyama

Tokihiko Shinomiya

Tomoo Takatani

Tsukasa Yamashita

Takashi Kishimoto

Makoto Takeda

Masataka Matsuura

Kengo Takahama

Manabu Yumoto

Kunihiko Yamamoto

Mikihiro Noma

Yukihiro Sumida

Tomohiko Nishimura

Tomoaki Kuratate

Shinichi Miyazaki

Kiyoshi Nakazawa

Masahiro Oikawa

Akira Imai

Kenji Nishiguchi

Masakazu Wada

Ikuo Sakono

Osamu Inoue

Ryota Takahashi

Nobuaki Matsuhashi

Tadashi Kawamura

Toshihisa Nakano

Kouji Tanaka

Takao Hasegawa

Norikazu Hohshi

Takuji Yamatani

Saburoh Miyamoto

Hisato Nagatomi

Kazuhiro Shibata

Hideki Ohshima

Provided is a touch panel system capable of reliably removing a wide variety of noises. The touch panel system () includes a subtracting section () which receives output signals from the sense lines () and finds differences between the capacitances in a direction in which each of drive lines () extends, as the differences in signal between the respective pairs of the sense lines () adjacent to each other. The subtracting section () obtains a difference signal value between the sense lines adjacent to each other.

Touch panel system and electronic device

A touch panel includes: an infrared light transmitting material through which infrared light is transmitted and which has a surface as a touch surface () touched by a detection subject; area sensors () including photo sensor elements () below a touch region, which is touched by the detection subject, of the infrared light transmitting material; and infrared light sources () provided outside the touch region, the infrared light sources () emitting infrared light along said surface of the infrared light transmitting material such that an entire circumference of the detection subject touching the touch surface () is irradiated with the infrared light, the touch panel detecting a position touched by the detection subject so that the photo sensor element () receives, among infrared light emitted by the infrared light sources () along said surface, infrared light reflected by the detection subject and transmitted through the infrared light transmitting material.

Touch panel, liquid crystal panel, liquid crystal display device, and touch panel-integrated liquid crystal display device

A display device includes a touch panel and displays stereoscopic images with reducing its thickness and weight. The display device includes a liquid crystal display panel, a switching liquid crystal paneland a touch panel. The switching liquid crystal panelis provided on a display surface side of the display paneland switches a display mode between two-dimensional display and three-dimensional display. The touch panelis provided on the display surface side of the display panel. The touch paneland the switching liquid crystal panelcommonly include one common boardand are configured as one component. A touch panel transparent electrodeand a switching liquid crystal panel transparent electrodeare provided on the common board. The switching liquid crystal panel transparent electrodeapplies a voltage to liquid crystals of the switching liquid crystal panel

Display device including touch panel and parallax barrier sharing single board

A coordinate detection device according to the present invention includes: a conductor for locating a point of contact; multiple terminals that are connected to the conductor at mutually different points; a signal output section, which includes a charge storage section to store electrical charge there and which outputs a signal with a voltage value representing the quantity of charge stored in the charge storage section; a setting section for setting a voltage for the charge storage section equal to a predetermined value; and a switching section for selectively connecting or disconnecting a particular one of the terminals to/from not only the charge storage section but also a predetermined power supply.

Coordinate position detecting device

A touch-sensored display deviceaccording to the present invention includes: a counter substratedisposed on a viewer side of an active matrix substratevia a display medium layer, the counter substratehaving a counter electrodewhich opposes pixel electrodes; a display panel driving circuitfor supplying to the counter electrodea common voltage which undergoes periodic inversion in polarity; a transparent conductive filmfor position detection placed so as to oppose the counter electrodevia the counter substrate; a strobe signal generation circuitfor generating a strobe signal which is in synchronization with a polarity inversion period of the common voltage, and a noise-cut current signal generation circuitfor generating a noise-cut current signal which is obtained by eliminating based on the strobe signal a predetermined portion from a current flowing from a terminal connected to the transparent conductive filmfor position detection.

Display device with touch sensor, and drive method for the device

A light source, an image display panel including multiple pixel regions, each of which modulates light, light control means for focusing light from the light source onto associated pixel regions according to their wavelength ranges, and optical systems that form an image on a projection plane by the light that has been modulated by the panel are provided. A circuit for generating data representing multiple image subframes from data representing each image frame as a component of the image and getting the subframes displayed by the panel time-sequentially, and an image shifter for shifting a selected one of the subframes on the projection plane are further provided. The same area on the projection plane is sequentially irradiated with light rays that have been modulated by different pixel regions of the panel and that fall within respectively different wavelength ranges.

Projection type image display device

A display device divides each frame into a number of subframes and displays one of the subframes after another. The device includes a correction circuit for correcting a subframe signal representing one subframe by reference to another subframe signal representing another subframe. Each said subframe is displayed in accordance with the subframe signal that has been corrected by the correction circuit.

Display device having an image shifter

A projection type display device includes: a light source for emitting light including multiple light components falling within different wavelength ranges; pixels for modulating the light independently; a first optical system, which receives the light from the light source and directs it toward the pixels; and a second optical system, which projects the light, modulated by the pixels, onto a projection plane. The first optical system includes an optical element for converging the light components onto mutually different ones of the pixels in accordance with their wavelength ranges. The pixels are arranged in a predetermined azimuth on a panel plane where the pixels are defined. The element has a first length in a first direction defined by the azimuth and a second length, greater than the first length, in a second direction substantially perpendicular to the first direction. The element converges the light components in the first and second directions.

Projection type display device

A liquid crystal projector in which light is effectively used and an excellent picture can be obtained is provided. In the liquid crystal projector, dichroic mirrors arranged at different angles are used to separate white light into beams of light of three primary colors of R, G, and B, and the respective beams of light are incident on microlenses at different angles. The respective beams of light of the three primary colors are distributed by the microlenses to optical components corresponding to pixels, and highly collimated light beams can be obtained by the optical components. Since the highly collimated light beams are made incident on the pixels of the liquid crystal panel, the beams can be certainly made incident on desired pixels.

Liquid crystal projector

An optical lens system in accordance with the present invention is arranged so that, when the micro-lens has a curved surface satisfying an inequality of (n /n )&times;sin(&thgr;max)&gE;1, where n1 indicates an index of refraction of a medium constituting one side of the curved surface of the lens, n2 (n <n ) indicates an index of refraction of a medium constituting the other side of the curved surface of the lens, &thgr; indicates an incident angle of the light with respect to a plane-normal of the curved surface of the lens when the light from the light source is directed to the curved surface of the lens of the micro-lens from a side of the medium having the index of refraction of n and &thgr; max indicates a maximum value of the angle &thgr; in the curved surface of the micro-lens, the micro-lens array is provided so that the light from the light source is directed to the micro-lens from the side of the medium having the index of refraction of n1. When using such an optical lens system as an image display apparatus of projection-type, it is possible to obtain the bright projection image.

Optical lens system, image display apparatus, micro-lens array, liquid crystal display device, and liquid crystal display apparatus of projection-type

In a 3-D image display device, a parallax barrier having a plurality of apertures is provided in front of an LCD element. Each aperture is equipped with a color filter of any one of red, green, and blue colors. The LCD element conducts monochromatic display, and hence, no color filters are provided therein. In the LCD element, regarding each color, a pixel group is provided at each position corresponding to the color filter of the color, the pixel group being composed of a plurality of pixels which are driven in response to an image signal corresponding to the color. With this arrangement, when the number of parallax images for a 3-D image is increased so that a fine 3-D image is obtained, the yield of the display element, and further, the yield of the 3-D image display device, can be improved. Besides, the cost of the device can be lowered.

Three-dimensional image display device

A projection type color image display apparatus of the present invention includes: a light source section for generating white light beams; a first fly-eye lens array comprising a plurality of lenses for forming a plurality of secondary light source image spots of the light source section; a second fly-eye lens array comprising at least the same number of lenses as the first fly-eye lens array, provided near a position where the plurality of secondary light source image spots are formed by the first fly-eye lens array; a microlens array comprising a plurality of microlenses, wherein the light beams which have passed through the respective lenses of the second fly-eye lens array are superimposed on one another on the microlens array; a single image display device comprising a plurality of color pixels arranged in a predetermined arrangement for modulating the light beams from the microlenses; a color separator provided in a predetermined position in an optical path from the light source section to the microlens array for color-separating the white light beams into R, G and B beams; and a projection lens for projecting the light beams output from the image display device.

Projection type color image display apparatus

The liquid crystal display device of this invention includes: a plurality of pixels including right-eye pixels and left-eye pixels; a display screen constructed of the plurality of pixels; a first substrate including a first display electrode; a second substrate including a second display electrode arranged to oppose the first display electrode; a polarizing layer disposed in at least one of the first substrate and the second substrate; and a reflection film disposed in one of the first substrate and the second substrate, wherein the polarizing layer has first regions arranged to correspond to the right-eye pixels and second regions arranged to correspond to the left-eye pixels, the first regions selectively transmitting first polarized light while the second regions selectively transmitting second polarized light which is different from the first polarized light.

Liquid crystal display device

A photoresist is applied to a first substrate made of glass or resin which has been subjected to alignment treatment. Next, the photoresist is exposed and developed by UV light so as to form a non-optical rotatory region in a stripe manner after a mask having a desired pattern is provided on the photoresist. Then, polymerized liquid crystal is applied or dropped on the substrate complex thus prepared so far after an alignment layer on the substrate is rubbed. Further, a second substrate whose surface has been subjected to alignment treatment is placed on the substrate complex such that the directions of the alignment of the two substrates are orthogonal to each other, and the substrate thus positioned is pressed against the substrate complex. Finally, the substrate complex is irradiated by the UV light to cure the polymerized liquid crystal so as to form an optical rotatory region, thereby completing an optical rotatory device.

Optical rotary device and manufacturing method thereof and image display device using thereof

A projection type image display apparatus of the present invention includes: a light source; a polarization selective reflection element having a function of reflecting or transmitting a light beam from the light source in accordance with a polarization direction thereof; and an element for modulating a polarization plane of an incident light beam in accordance with an image to be displayed. The polarization selective reflection element is film-like and has an optical transmission axis and an optical reflection axis. The polarization selective reflection element transmits a first linearly polarized light beam, and reflects a second linearly polarized light beam having a polarization plane orthogonal to a polarization plane of the first linearly polarized light beam, regardless of a direction of incidence of a light beam with respect to the polarization selective reflection element.

Projection type image display apparatus

Growing community of inventors

Nara, Japan

Hiroshi Hamada