Canon Kabushiki Kaisha

Masaki Kuribayashi

Kazunori Ueno

Akihiro Senoo

Yuichi Hashimoto

Hidetoshi Tsuzuki

Seiji Mashimo

Hiroshi Matsuda

Hiroshi Inoue

Kunihiro Sakai

Ken Eguchi

Haruki Kawada

Nobuyuki Sekimura

Akio Yoshida

Yuko Morikawa

Takashi Hamamoto

Akira Tsuboyama

Yutaka Inaba

Noboru Koumura

Takashi Nakagiri

Yukio Nagase

Naoto Fujimura

Izumi Narita

Yukiko Futami

Junichiro Kanbe

Kiyoshi Sakai

Osamu Ikeda

Hisaaki Kawade

Kazunori Katakura

Yoshihiro Yanagisawa

Masaru Kamio

Yoshio Takasu

Hideaki Takao

Shozo Ishikawa

Toshiyuki Yoshihara

Takashi Tanaka

Tatsuo Murata

Minoru Mabuchi

Toshihiko Nakazawa

Norie Takebayashi

Hironao Kimura

Akihiro Sonobe

An electroluminescence device having a transistor substrate comprising drain electrode pads, each being connected to a drain of a thin film transistor, and capacitors connected to the respective drain electrode pads, and an electroluminescence substrate comprising pairs of electrodes and electroluminescence members each provided between a pair of electrodes, arranged along a plurality of rows and columns, wherein the thin film transistor substrate and the electroluminescence substrate are placed opposite to each other so that the drain electrode pads and the electroluminescence members are opposed to each other, and wherein each drain electrode pad and one electrode of a pair of electrodes are connected through an adhesive electric connection member.

Electroluminescence device, electroluminescence apparatus, and production methods thereof

An image forming apparatus includes a photosensitive member, an exposure device includes a single-chip light emission element array formed by integrating a plurality of light emitting elements in a single chip which exposure device executes the exposure in the main scanning direction relative to the movement of the photosensitive member, by the light emission from the single-chip light emission element array, and a developing device provided around the photosensitive member.

Image forming apparatus featuring a plurality of light emission elements on a single chip

Provided is a method for producing an electroluminescence device, which comprises steps of making a surface of a crystal silicon substrate porous to form a porous silicon film, forming a first electroconductive film on the porous silicon film, forming an electroluminescence film on the first electroconductive film, forming a second electroconductive film on the electroluminescence film, peeling a laminate of the first electroconductive film, electroluminescence film, and second electroconductive film from the crystal silicon substrate, and mounting the laminate on a first base material.

Stacked organic light emitting device with specific electrode arrangement

The exposure device of an image forming apparatus includes a light-emitting device array having light-emitting devices; a switching device array including switching devices connected to the light-emitting devices, the switching device array being divided into a plurality of groups; a first line group for connecting commonly to first terminals of switching devices of each of the groups; a second line group for connecting commonly to second terminals of switching devices of each of the groups; and a circuit for performing simultaneous light emission of the light-emitting device array to expose the photosensitive member.

Image forming apparatus

A light emitting apparatus including a photosensitive member and an exposure device including a light emitting device array made up of a plurality of light emitting devices arranged in a direction of main scan across a moving direction of the photosensitive member and a switching device array made up of a plurality of switching devices arranged and connected to the light emitting devices in one-to-one relation. The switching device array is divided into a plurality of groups, a first group of leads connected in common to first terminals of the switching devices for each of the plural groups of switching devices, a second group of leads connected to second terminals of each of the switching devices, and a third group of leads, each of the third group of leads connected to third terminals of each switching device in a respective group of switching devices. The apparatus further includes a drive device for operating the simultaneous light emitting circuits to apply a first scan signal to the first group of leads, a voltage signal with one polarity to the third group of leads in synch with the first scan signal, and a discharge signal to the second group of leads, thereby causing capacitors to be discharged.

Image forming apparatus and light emitting apparatus

Provided is an electroluminescence apparatus comprising a first unit having a simple matrix electrode structure and an electroluminescence member provided at each intersection between a scanning signal line and an information signal line; and a second unit for sequentially applying a scanning selection signal comprising a first phase and a second phase of mutually different voltage waveforms to the scanning signal line, applying a light emission inducing signal to produce a voltage over a threshold for light emission of the electroluminescence member in synchronism with one of the first phase and the second phase, to the information signal line, and applying a light emission non-inducing signal comprised of a voltage different from that of the light emission inducing signal, in synchronism with the other phase to the information signal line, thereby applying an alternating voltage to the electroluminescence member during a non-selection period of scanning.

Electroluminescence apparatus and driving method thereof

A liquid crystal apparatus includes (a) a liquid crystal panel including: a pair of substrates having thereon a group of scanning electrodes and a group of data electrodes, respectively, and provided with mutually different alignment characteristics, and a chiral smectic liquid crystal disposed between the substrates so as to form a pixel at each intersection of the scanning electrodes and the data electrodes, and (b) drive means for: sequentially applying a scanning selection signal to the scanning electrodes to select at least one scanning electrode, and applying a data signal having at least three peak values to the data electrodes in synchronism with the scanning selection signal. A DC bias voltage may be applied between the scanning electrodes and the data electrodes, and the polarity of the DC voltage may be switched for each prescribed period. The above system is suitable for obviating or suppressing the 'sticking' phenomenon of a chiral smectic liquid crystal.

Chiral smectic liquid crystal apparatus and driving method therefor

A recording device, comprising a probe electrode, a recording medium having electric memory effect and a writing voltage applying unit for applying voltage onto the recording medium from the probe electrode, and a reproducing device comprising a probe electrode, a recording medium exhibiting electric memory effect or a recording medium recorded by energy irradiation, a voltage applying unit for applying voltage not exceeding the threshold value voltage giving rise to electric memory effect onto the recording medium from the probe electrode and a reading unit for reading the change in current quantity passing through the recording medium.

Recording device and reproduction device

A liquid crystal apparatus, includes: a) a liquid crystal device comprising an electrode matrix composed of scanning electrodes and data electrodes, and a ferroelectric liquid crystal showing a first and a second orientation state; and b) a driving means including: a first drive means for applying a scanning selection signal to the scanning electrodes two or more scanning electrodes apart in one vertical scanning so as to effect one picture scanning in plural times of vertical scanning, said scanning selection signal having a voltage of one polarity and a voltage of the other polarity with respect to the voltage level of a nonselected scanning electrode, and a second drive means for applying to a selected data electrode a voltage signal which provides a voltage causing the first orientation state of the ferroelectric liquid crystal in combination with the voltage of one polarity of the scanning selection signal, and applying to another data electrode a voltage signal which provides a voltage causing the second orientation state of the ferroelectric liquid crystal in combination with the voltage of the other polarity of the scanning selection signal.

Liquid crystal apparatus and display system

A ferroelectric liquid crystal device, comprises: a plurality of pixel portions having a pair of opposite electrodes, and a plurality of non-pixel portions where a pair of opposite electrodes are not disposed, respectively arranged two-dimensionally; and a ferroelectric liquid crystal disposed between the opposite electrodes and extending over the pixel portions and the non-pixel portions. The non-pixel portions further comprise a colored film having a light-interruption function and a protective film disposed between and preventing direct contact between the colored film and the ferroelectric liquid crystal.

Ferroelectric liquid crystal apparatus having negative dielectric

Ferroelectric liquid crystal device having colored film and protective

A switching device is characterized by having periodical layer structure of an organic insulator between a pair of electrodes and having memorizability with respect to switching characteristic. The layer structure is formed of an amphiphilic compound according to the LB method.

Switching device

A switching device is provided which comprises a pair of electrodes, and a insulating zone and a conductive or semiconductive zone that are provided between said electrodes. Another switching device is also provided which comprises a pair of electrodes, and a laminated structural body in which an insulating thin film and a conductive or semiconductive thin film are alternately laminated between said electrodes in the direction vertical to the surfaces of said electrodes. This device may be used for a switching process in which an electric circuit is switched from the switched off state to the switched-on state by irradiation of electromagnetic radiation.

Growing community of inventors

Inagi, Japan

Masaki Kuribayashi