Canon Kabushiki Kaisha

Nobuko Kitahara

Tetsuya Kaneko

Hideyuki Suzuki

Shunichi Ishihara

Yuji Nishigaki

Nobuo Kitajima

Katsumi Nakagawa

Soichiro Kawakami

Katsunori Hatanaka

Toshihiro Saika

Yoshinori Isobe

Ihachiro Gofuku

Satoshi Itabashi

Masaki Fukaya

Katsunori Terada

Takashi Enomoto

Masao Sugata

Osamu Takamatsu

A thin film transistor comprises a gate electrode, an insulating layer and a semiconductor layer formed and laminated on an insulating substrate, said insulating layer and said semiconductor layer having the same planar pattern.

Method of making thin film transistor

A thin film transistor comprises a gate electrode, an insulating layer and a semiconductor layer formed and laminated on an insulating substrate. The insulating layer and the semiconductor layer have the same planar pattern.

Semiconductor structure having transistor and other elements on a common

A photoelectric conversion device having a photoelectric conversion section and a transistor for transferring or amplification of the photoelectric conversion signal or an accumulating section of a photo carrier. The photoelectric conversion section and the transistor or the accumulating section have common semiconductor layer.

Method of making a device having a TFT and a capacitor

Photoelectronic conversion device

Method of making photoelectric conversion device

Photoelectric conversion device having a common semiconductor layer for

A color liquid crystal display panel is provided with a first substrate having thin film transistors arranged in rows and columns, a gate wire connecting commonly the gates for the thin film transistors in the columns, a source wire connecting commonly the sources for the thin film transistors in the rows and display electrodes connected respectively to each of the drains for the thin film transistors, a second substrate having a common electrode opposed to said display electrodes and acolor filter and a liquid crystal interposed between said first substrate and second substrate. The display panel comprises a light intercepting film provided on said second substrate at a position confronting with said thin film transistors.

Color liquid crystal display with light intercepting member

An electric circuit member comprises a substrate provided with a thin film transistor array thereon, an inorganic insulating layer formed over said thin film transistor array and an organic insulating layer formed over said inorganic insulating layer.

Electric circuit member and liquid crystal display device using said

A color electrophotographic process comprises applying voltage between a non-transparent electrode and a color filter electrode of an electrophotographic photosensitive member comprising isolated conductive members forming picture elements, a photoconductive layer, non-transparent electrodes and color filter electrodes, conducting imagewise exposure from the side where color filter electrodes are arranged, resulting in formation of a difference in distribution voltage between the area wherein light passes through the color filter electrode and the area wherein light does not pass through the color filter electrode with regard to the voltage distribution between the non-transparent electrode and the isolated conductive member and between the color filter electrode and the isolated conductive member, thereby forming a voltage image depending upon the change of the voltage of the isolated conductive member caused corresponding to a difference in distribution voltage, and developing said voltage image with a color toner corresponding to a color light passing through the color filter electrode. Further there is disclosed an electrophotographic photosensitive member for a color electrophotographic process as mentioned above.

Electrophotographic photosensitive member and color electrophotographic

An electrophotographic photosensitive member for forming a potential image utilizing the difference in voltage distribution resulting from the change in resistance of a photoconductive layer. The photosensitive member is featured in forming a high-contrast potential image by the use of amorphous silicon for the photoconductive layer.

Photosensitive member for electrophotography composed of a

Disclosed is an electrophotographic process comprises applying voltage between a transparent electrode and an opaque electrode of a photosensitive member comprising isolated electrically conductive members forming image elements, a photoconductive layer, transparent electrodes and opaque electrodes, imagewise exposing the side opposite the side where the isolated electrically conductive members are arranged, resulting in formation of voltage differences between the area where light passes through a transparent electrode and the area where light does not pass through the transparent electrode, said distribution voltage being a voltage between the transparent electrode and the isolated electrically conductive electrode and a voltage between the opaque electrode and the isolated electrically conductive electrode, thereby forming a voltage image depending upon the change of voltage of the isolated electrically conductive member produced corresponding to the difference in the distribution voltage, and scanning the electrophotographic photosensitive member within the area where imagewise exposure is carried out, or moving an image receiving member and an optical image projected on the electrophotographic photosensitive member in the relatively opposite direction, simultaneously with attaching a developer to the image receiving member based on an electric field produced by the voltage image. In foregoing process, the imagewise exposure is carried out through a color filter, a color developer corresponding to the color light which passes through the transparent electrode is attached to the image receiving member based on an electric field produced by the voltage image. Said color filter comprises a red filter, a green filter, and a blue filter. Each of said color filters and each of said electrophotographic photosensitive members are assembled in one unit.

Voltage distribution difference electrophotographic process

An electrophotographic method for color image formation, wherein use is made of an electrophotographic photosensitive member having a multitude of isolated electrically conductive members for forming image elements, a photoconductive layer, and a multitude of sets of electrodes for determining an electric potential of the isolated electrically conductive members in correspondence to a color image original, each set of electrodes comprising a non-transparent electrode, a transparent electrode, and color filter electrodes, and wherein a voltage is applied across the electrodes followed by development.

Electrophotographic method and element

An electrophotographic photosensitive member comprises isolated conductive members forming picture elements, a photoconductive layer, transparent electrodes and color filter electrodes. Also, a color electrographic process which comprises applying voltage between a transparent electrode and color filter electrode of an electrophotographic photosensitive member comprising isolated conductive members forming picture elements, a photoconductive layer, transparent electrodes and color filter electrodes, conducting imagewise exposure from the side opposite to the side where the isolated conductive members are arranged, resulting in formation of difference in distribution voltage between the area that light passes through the color filter electrode and the area that light does not pass through the color filter electrode with regard to the voltage distribution between the transparent electrode and the isolated conductive member and between the color filter electrode and the isolated conductive member, thereby forming a voltage image depending upon the change of voltage of the isolated conductive member produced corresponding to the difference in the distribution voltage, and developing said voltage image with a color toner corresponding to a color light passing through the color filter electrode.

Growing community of inventors

Tama, Japan

Nobuko Kitahara