Sanyo Electric Co., Ltd.

Sharp Kabushiki Kaisha Corporation

Future Light, LLC

Tottori Sanyo Electric Co., Ltd.

Masayuki Hata

Yasuhiko Nomura

Yasuyuki Bessho

Daijiro Inoue

Ryoji Hiroyama

Tsutomu Yamaguchi

Tatsuya Kunisato

Takashi Kano

Masayuki Shono

Hiroki Ohbo

Tadao Toda

Nobuhiko Hayashi

Hiroaki Izu

Kiyoshi Oota

Yasuto Miyake

Kunio Takeuchi

Kosuke Nagata

Mikihiro Noma

Shingo Kameyama

Yoichi Tsuchiya

Shigeyuki Okamoto

Toshiaki Nakagawa

Tomotoshi Tsujioka

Kohji Yabuta

Seiichi Tokunaga

Yasumitsu Kunoh

Yasumitsu Kuno

Kenji Nagatomi

Toshiyuki Yoshimizu

Takenori Goto

Shinichi Miyazaki

Kyoji Inoshita

Kazutoshi Kida

Masahiro Kihara

Seiji Kajiyama

Kengo Takahama

Hideaki Takizawa

Hideki Yoshikawa

Masakazu Wada

Yasuhiko Matsushita

Koji Tominaga

Masashi Mayumi

Kiyoshi Inada

Norikazu Hohshi

Saburo Nakashima

Kouji Tominaga

For a node in which a difference between a base sensor value which is a sensor value obtained at certain time intervals and a first reference value which is a sensor value obtained when an organic EL element does not emit light in normal temperature state is greater than a threshold value, a correction value calculation circuit stores the product of a base computing value and a third reference value as a correction value in a correction value storage unit, the third reference value representing a ratio of the first reference value to a second reference value which is a sensor value obtained when the organic EL element emits light in normal temperature state, and the base computing value being obtained by providing the product of the third reference value and the base sensor value as an input value to a base computing value calculation circuit.

Display device including touch panel and touch position identifying method

Provided is a touch-panel-integrated display device in which influences of noises due to voltages of data lines can be reduced, or noise correction can be easily performed. A touch-panel-integrated display deviceincludes a display panel that has a display area that includes a plurality of pixels defined by a plurality of gate linesand a plurality of data lines. In the display area, a plurality of electrodes, and a plurality of linesconnected with the electrodes, are provided. A predetermined voltage is applied to each lineevery fixed time period, and changes in the capacitance at each electrodeare detected. To each data line, a voltage having a polarity different from that for an adjacent one of the data linesis applied. Each of the electrodesis connected with at least one of the plurality of lines. The at least one of the linesis arranged in the vicinity of a plurality of the data linesto which voltages having different polarities are applied, or alternatively, arranged in the vicinity of one of the data linesto which a voltage having the same polarity as that of a voltage applied to the data linearranged in the vicinity of another lineis applied.

Touch-panel-integrated display device

A liquid crystal display deviceincludes a backlight deviceexiting light, a liquid crystal paneldisposed on a light exit side with respect to the backlight device, a first conductive layer, and a conductive bonding member. The liquid crystal panelincludes an array substrate, a CF substrateoverlapping the array substrateon an opposite side from the backlight deviceside, and a first polarizing platedisposed on the backlight deviceside with respect to the array substrate. The first conductive layeris disposed on a plate surface of one of the array substrateand the first polarizing plate. The conductive bonding memberis electrically connected to the first conductive layerto bond the backlight deviceand the liquid crystal paneland connected to ground.

Display device

A method of producing a touchscreenincludes a pattern forming process, a cutting process, and a three-dimensional forming process. The pattern forming process is for forming a touchscreen patternP including at least electrode portionsand line portions on a plate surface of a base that has a sheet shape with flexibility. The cutting process is for cutting a use portionU out of the baseon which the touchscreen patternis formed. The three-dimensional shape forming process is for forming the use portionU out of the baseinto a three-dimensional shape.

Method of producing position input device

A touch panel () includes: a glass substrate (); X-direction electrodes and Y-direction electrodes () provided above the glass substrate (); lines () provided above the glass substrate () and electrically connected with the X- and Y-direction electrodes (); an insulating resin layer () covering the X- and Y-direction electrodes () and lines (); and a conductive layer () provided above the insulating resin layer () to allow static electricity entering the panel from the outside to flow therethrough.

Touch panel

A liquid crystal display device includes a liquid crystal display panel, a functional panel, a photo curable adhesive, a transparent electrode, and a light blocking line. The liquid crystal panel includes a display area to display an image and a non-display area surrounding the display area. The functional panel is attached to the liquid crystal panel, and includes a display overlapping area overlapping with the display area and a display non-overlapping area overlapping with the non-display area in a plan view. The photo curable adhesive is arranged between the panels and cured by light applied thereto. The transparent electrode is arranged in the display overlapping area and made of light transmissive conductive material. The light blocking line is arranged in the display non-overlapping area and made of light shielding metal material. The light blocking line partially has a light-transmission cutout that is configured to allow the light to pass therethrough.

A conducting layer () is formed in a shape of a grid having a predetermined width of lines extending along the first direction (horizontal direction in the drawing) and the second direction (vertical direction in the drawing). In a region that, when seen in planar view, overlaps those lines of the conducting layer () which extend along the first direction, lines of an insulating light-blocking layer () that are wider than those of the conduction layer () are arranged at predetermined intervals along the second direction. The conducting layer () is broken at predetermined places in a region that overlaps the insulating light-blocking layerwhen seen in plane view. This makes it possible to achieve a liquid crystal display device including a touch panel substrate that has a high aperture ratio and that can suppress leakage of light through cuts in a conducting layer.

Touch panel substrate and display device

The amount of the light emitted from a light-emitting diode is changed from that of the initial condition to increase, among the light sensors that are not shielded from the light emitted from the light-emitting diode, the number of the light sensors at which the difference (C&#x2212;D) between the light detection amount at the light sensor when the light-emitting diode is ON and the light detection amount at the light sensor when the light-emitting diode is OFF is equal to the difference (A&#x2212;B) between the light detection amount at the light sensor in the initial condition when the light-emitting diode was ON and the light detection amount at the light sensors in the initial condition when the light-emitting diode was OFF with no detection object present. As a result, regardless of the presence or absence of the detection object, the coordinate sensor and the display device disclosed can establish a threshold for determining the presence or absence of the detection object, and can also determine the coordinates of the detection object in a stable manner regardless of changes in the ambient environmental light or in the ambient environmental temperature, or fluctuations in the amount of light emitted from the light-emitting element disposed in the coordinate sensor or the change in the sensitivity of the light-receiving elements.

Coordinate sensor and display device

A nitride-based semiconductor light-emitting device capable of suppressing complication of a manufacturing process and reduction of luminous efficiency is obtained. This nitride-based semiconductor light-emitting device () includes a nitride-based semiconductor device layer () formed on a main surface of a (1-100) plane of a substrate (), having a light-emitting layer () having a main surface of a (1-100) plane, a facet () formed on an end of a region including the light-emitting layer () of the nitride-based semiconductor device layer (), formed by a (000-1) plane extending in a direction substantially perpendicular to the main surface ((1-100) plane) of the light-emitting layer (), and a reflection surface () formed on a region opposed to the facet () of the (000-1) plane, formed by a growth surface of the nitride-based semiconductor device layer (), extending in a direction inclined at an angle &#x3b8;(about) 62&#xb0; with respect to the facet ().

Nitride-based semiconductor light-emitting device, nitride-based semiconductor laser device, nitride-based semiconductor light-emitting diode, method of manufacturing the same, and method of forming nitride-based semiconductor layer

A coordinate sensor of the present invention includes light emitting diodes () and line sensors () each including light receiving elements (), and further includes, between the light emitting diodes () and the light receiving elements (), wavelength selective reflection mirrors () for allowing light emitted from the light emitting diodes () to be selectively incident to the light receiving elements ().

In this semiconductor laser apparatus, a first wire-bonding portion is arranged at a position in a fourth direction from a first semiconductor laser device and in a first direction from a photodetector, and a second wire-bonding portion is arranged at a position in the fourth direction from the first semiconductor laser device and in a third direction from the first wire-bonding portion. A third wire-bonding portion is arranged at a position in a second direction from a third semiconductor laser device and in the first direction from the photodetector, and a fourth wire-bonding portion is arranged at a position in the second direction from the third semiconductor laser device and in the third direction from the third wire-bonding portion.

Semiconductor laser apparatus and optical apparatus

A nitride-based semiconductor light-emitting device capable of suppressing reduction of characteristics and a yield and method of fabricating the same is described. The method of fabricating includes the steps of forming a groove portion on a nitride-based semiconductor substrate by selectively removing a prescribed region of a second region of the nitride-based semiconductor substrate other than a first region corresponding to a light-emitting portion of a nitride-based semiconductor layer up to a prescribed depth and forming the nitride-based semiconductor layer having a different composition from the nitride-based semiconductor substrate on the first region and the groove portion of the nitride-based semiconductor substrate.

Method of fabricating nitride-based semiconductor light-emitting device and nitride-based semiconductor light-emitting device

A method of manufacturing a semiconductor device includes steps of forming a semiconductor device layer on an upper surface of a substrate including the upper surface, a lower surface and a dislocation concentrated region arranged so as to part a first side closer to the upper surface and a second side closer to the lower surface, exposing a portion where the dislocation concentrated region does not exist above on the lower surface by removing the substrate on the second side along with at least a part of the dislocation concentrated region, and forming an electrode on the portion.

Method of manufacturing semiconductor device and semiconductor device

A liquid crystal display device () of the present invention includes: a liquid crystal panel () including: an active matrix substrate (); a counter substrate (); and a liquid crystal layer () provided between the active matrix substrate () and the counter substrate (); and a backlight () illuminating the liquid crystal panel. The liquid crystal display device () has an area sensor function for detecting an external input position, and further includes a reflectance changing section () that reduces a reflectance of light from the backlight () in response to application of pressure on a panel surface (). The reflectance changing section () is configured so that in a state where no pressure is applied on the panel surface (), an air layer () is formed between two elastic films (and) whereas in a state where pressure is applied on the panel surface (), the two elastic films (and) contact each other.

Area sensor and display device including area sensor

A semiconductor device includes a semiconductor substrate formed of at least two kinds of group III elements and nitrogen, an active layer formed on the semiconductor substrate, and a nitride semiconductor layer formed on a surface of the semiconductor substrate and formed between the semiconductor substrate and the active layer. The nitride semiconductor layer is formed of the same constituent elements of the semiconductor substrate. A composition ratio of the lightest element among the group III elements of the nitride semiconductor layer is higher than a composition ratio of the corresponding element of the semiconductor substrate.

Semiconductor device

Growing community of inventors

Kadoma, Japan

Masayuki Hata