Hitachi, Ltd.

Hitachi Displays, Ltd.

Panasonic Liquid Crystal Display Co., Ltd.

Samsung Display Co., Ltd.

Japan Display Inc.

Hitachi Device Engineering Co., Ltd.

Other

Hitachi Ulsi Engineering Corp.

Hitachi Hokkai Semiconductor Ltd.

Hitachi Instruments Engineering Co., Ltd.

Hitachi, Ltd. & Nippon Hoso Kyokai

Yoshiyuki Kaneko

Toshihiro Sato

Yoshiro Mikami

Shigemi Hirasawa

Yuuichi Kijima

Takayuki Ouchi

Tomoki Nakamura

Susumu Sasaki

Sukekazu Aratani

Toshihisa Tsukada

Hiroshi Kawasaki

Hiroyuki Uchiyama

Akira Arimoto

Makoto Tsumura

Hiroki Soeda

Kozo Watanabe

Hiroyuki Miyazawa

Kyoichiro Asayama

Tetsuya Ooshima

Masaki Nagao

Atushi Ogishima

Jun Ishikawa

Naokatsu Suwanai

Kazuya Endo

Takashi Yoneoka

Hajime Akimoto

Masaya Adachi

Nobuaki Kabuto

Mitsuru Hiraki

Kenji Miyata

Toshiaki Kusunoki

Takashi Akioka

Shingo Ishihara

Toshifumi Ozaki

Hitoshi Nakahara

Ikuo Hiyama

Tsunenori Yamamoto

Yasuo Tanaka

Yoshinobu Kimura

Hideaki Yamamoto

Akira Sasano

Masakazu Sagawa

Hiroki Kaneko

Haruo Matsumaru

Yuichi Sawai

Tomoji Oishi

Ken Tsutsui

Takahiro Kamo

Toshihiro Satou

Tetsuya Ohshima

Kenji Kato

Atsuo Ohtomi

Yasuhito Yamaryo

Takahiro Ueno

Hiroyuki Tachihara

Shinichi Komura

Osamu Itou

Yasushi Nakano

Takeo Shiba

Yasutaka Toyoda

Yoshiharu Nagae

Kazutaka Tsuji

Shoichi Hirota

Makoto Ohkura

Mutsumi Suzuki

Mitsuji Ikeda

Akitoyo Konno

Tatsuki Inuzuka

Muneaki Yamaguchi

Makoto Okai

Norio Koike

Tetsuya Nakagawa

Tatsuo Makishima

Kenkichi Tanioka

Masato Kaneeda

Kazunari Noguchi

Kazuyuki Nagatsuma

Hiroko Sukeda

Tetsuya Aoyama

Hideo Satou

Norifumi Egami

Nozomu Matsuda

Osamu Ebina

Mitsuhiro Kurashige

Yasuhide Fujioka

Mitsuhisa Fujita

Toshio Yamagishi

Tsutomu Kuniyasu

Shosaku Tanaka

Takashi Kawasaki

Masakazu Nanba

Motoko Sawamura

Organic EL display module including a pixel disposed in respective intersections between a plurality of scanning lines and a plurality of data lines, which lines are aligned in a matrix, and a current supply line that supplies electric current to the pixel, wherein the pixel includes an active device selected by the scanning line, a data storage device that stores a data signal that is supplied from the data line by control of the active device, and an organic light emitting device that emits light by the electric current supplied by the current supply line according to the data signal stored in the data storage device, wherein the data storage device provides a lower electrode, an insulating layer and an upper electrode, and wherein the lower electrode has a same layer with a channel layer of the active device and the upper electrode is made of a metal material.

Display module

A display module including a substrate having a plurality of pixels, a data line that supplies a data signal to a pixel, a current supply line that supplies electric current to the pixel, a data driving circuit that supplies a data signal to the data line, and a gate driving circuit thereon. The plurality of pixels are arranged in a display area of the substrate, and each of the plurality of pixels includes a light emitting device, a first thin film transistor connected to the data line that supplies the data signal, a second thin film transistor connected to the current supply line, and a capacitor. The light emitting device includes a first electrode layer connected to the second thin film transistor, an organic layer formed on the first electrode layer, and a second electrode layer formed on the organic layer.

Display device

The improvement of the power supply system to one of the electrodes comprising a pixel prevents said electrode from corrosion, which allows image to be displayed with high quality. A display module is provided, which module comprises an emitting device provided with a first electrode layer that is driven by an active device, an organic emitting layer that is coated on said first electrode layer and a second electrode layer CD that is formed over said organic emitting layer, wherein an electrode layer CNTB is provided on the substrate thereof lower than said second electrode layer CD and is coated with an insulating or passivation film, said electrode layer CNTB being in contact with said second electrode layer CD through a contact hole CNT.

A display module including a substrate having a plurality of pixels, a data line that supplies a data signal to a pixel, a current supply line that supplies electric current to the pixel, a data driving circuit that supplies a data signal to the data line, and a gate driving circuit thereon. The plurality of pixels are arranged in a display area of the substrate, and each of the plurality of pixels include a light emitting device, a first thin film transistor connected to the data line that supplies the data signal, a second thin film transistor connected to the current supply line, and a capacitor. The light emitting device includes a first electrode layer connected to the second thin film transistor, an organic layer formed on the first electrode layer, and a second electrode layer formed on the organic layer.

A display module includes a pixel disposed in respective intersections between a plurality of scanning lines and a plurality of data lines, which lines are aligned in a matrix, and a current supply line that supplies electric current to the pixel, the pixel includes a data storage device for storing a data signal supplied from the data lines, and an emitting device that emits light by the electric current supplied by the current supply line according to the data signal stored in the data storage device. One terminal of the data signal storage device is connected to one of the scanning lines placed anteriorly of to the pixel that is being selected.

A display device including: a display portion with gate lines, a plurality of data lines, TFTs and OLED elements, a scanning line driving circuit which feeds scanning signals for the gate lines; a data line driving circuit which feeds picture image signals for the data lines; a display control controller which provides timing control signals to the scanning line driving circuit and the data line driving circuit and the picture image signals to the data line driving circuit. The timing control signals include a first control signal for driving the TFTs and introducing a light emitting period within each frame period in which the OLED elements are caused to emit light and a second control signal for driving the TFTs and introducing a no-light emitting period within each frame period in which the oled elements are caused to be quenched.

Picture image display device and method of driving the same

Growing community of inventors

Hachioji, Japan

Yoshiyuki Kaneko