Mitsubishi Denki Kabushiki Kaisha

Sony Corporation

Other

Joled Inc.

Renesas Technology Corp.

Agency of Industrial Science and Technology

Nissin Electric Co., Ltd.

Ryoden Semiconductor System Engineering Corporation

Kozo Iizuka, Director General, Agency of Industrial Science and

Fujifilm Corporation

Renesas Electronics Corporation

Saturn Licensing LLC

Ion Engineering Research Institute Corporation

Kozo Iizuka, Director General, Agency of Industrial Science & Technology

Yasuo Inoue

Toshiaki Iwamatsu

Tadashi Nishimura

Yasuo Yamaguchi

Shigenobu Maeda

Kazuyuki Sugahara

Hideto Mori

Ken Kikuchi

Shigeru Kusunoki

Takeya Meguro

Takashi Ipposhi

Shigeto Maegawa

Toyo Osumi

Tomoya Yano

Akihiko Furukawa

Mitsuyasu Asano

Hirotada Kuriyama

Shoichi Miyamoto

Yohei Funatsu

Hidehiko Shidara

Kyozo Kanamoto

Masahiro Ito

Makoto Nakagawa

Yoshihiro Kosugi

Hidehisa Shimizu

Katsuyuki Horita

Shoji Araki

Masanari Kikkawa

Hidekazu Oda

Tatsuya Kunikiyo

Tadaharu Minato

Takashi Uchida

Motoi Ashida

Yasuyoshi Itoh

Masayoshi Shirahata

Eiichi Saito

Hiroshi Okuda

Shuuichi Ueno

Hisayuki Nishimura

Akira Ishizu

Mikio Ikeda

Masaru Kamba

Junji Tateishi

Hans-Oliver Joachim

Keiji Sato

Takashi Kuroi

Hirotoshi Sato

Yoshiki Yamamoto

Toshihide Hayashi

Shuji Nakao

Katsuhiro Shimizu

Hideki Makiyama

Jiro Yugami

Kiyoteru Kobayashi

Kiyoshi Hayashi

Kazunobu Ohta

Ban Kawamura

Hiroaki Morimoto

Koki Tsumori

Kazuhito Tsutsumi

Maiko Sakai

Masayuki Tsumura

Hiroshi Morita

Noriyuki Yamazaki

Osamu Iida

Sadayoshi Mukai

Ryuichi Okumura

Yuki Yokoyama

Takeshi Ikeda

Masaru Kanba

Yasunori Suga

Haruo Takeda

Il Jung Kim

Masanobu Kohara

Takashi Eura

Natsuro Tsubouchi

Shinichi Takizawa

The present technology relates to a display device and a signal processing device that have made it possible to actively utilize maximumly a color gamut that a display panel can express. Provided is a display device, including: a display section in which display pixels that each include a first subpixel, a second subpixel, and a third subpixel that emit three-basic-color light and a fourth subpixel that emits non-basic-color light are arranged two-dimensionally; a first signal processing section that expands a video signal being input and corresponding to the basic-color light and adapts the video signal to a color gamut that the display section can express; and a second signal processing section that converts an expanded video signal being the video signal having been expanded into a first signal, a second signal, and a third signal that correspond to the basic-color light and a fourth signal that corresponds to the non-basic-color light, and outputs the signals to the display section. The present technology can be applied to, for example, a self-light-emission type display device, such as an organic EL display device.

Display device and signal processing device

A display device and a signal processing device for maximum utilization of a color gamut that a display panel can express. A display device includes a display section in which display pixels that each include a first subpixel, a second subpixel, and a third subpixel that emit three-basic-color light and a fourth subpixel that emits non-basic-color light are arranged two-dimensionally; a first signal processing section that expands a video signal being input and corresponding to the basic-color light and adapts the video signal to a color gamut that the display section can express; and a second signal processing section that converts an expanded video signal being the video signal having been expanded into a first signal, a second signal, and a third signal that correspond to the basic-color light and a fourth signal that corresponds to the non-basic-color light, and outputs the signals to the display section.

An image processing unit includes: a gain calculating section obtaining, based on first luminance information for each pixel, a first gain, in which the first gain is configured to increase with an increase in pixel luminance value in a range where the pixel luminance value is equal to or larger than a predetermined luminance value, and in which the pixel luminance value is derived from the first luminance information; and a determination section determining, based on the first luminance information and the first gain, second luminance information for each of the pixels.

Display unit, image processing unit, and display method for improving image quality

An image processing device includes a control section configured to determine, based on first luminance information for each display pixel, frame luminance information in a single frame and current information. The current information indicates a magnitude of a current that is expected to be consumed in displaying the single frame on a display section. The control section is configured to control, based on the frame luminance information and the current information, light-emitting luminance of the display section.

Display unit, image processing device, display method, and electronic apparatus for controlling luminance

A display includes: a gain calculation section obtaining, according to an area of a high luminance region in a frame image, a first gain for each pixel in the region; a determination section determining, based on first luminance information for each pixel in the high luminance region and the first gain, second luminance information for each pixel in the high luminance region; and a display section performing display based on the second luminance information.

Display, image processing unit, and display method for improving image quality

Provided is an image processing device including a luminance information generating unit that generates fourth luminance information, which becomes the basis of luminance of a fourth pixel, on the basis of variation characteristics with the passage of time regarding light-emission luminance in the fourth pixel of a display unit including a first pixel, a second pixel, and a third pixel which emit three basic color light beams, and the fourth pixel that emits a non-basic color light beam, and first luminance information, second luminance information, and third luminance information which correspond to the first pixel, the second pixel, and the third pixel, respectively.

Image processing device and electronic apparatus

There is provided a self-luminous display device including a deterioration amount acquisition section configured to acquire a cumulative deterioration amount for each of a plurality of pixels arranged in a matrix shape on a screen, each of the pixels including a light emitting element which emits light by itself in accordance with a current amount, a deterioration amount calculation section configured to calculate a deterioration amount when an image is displayed based on a supplied video signal in each of the pixels by using a deterioration characteristic determined in accordance with a luminance of the video signal, and a cumulative information update section configured to reflect the cumulative deterioration amount acquired by the deterioration amount acquisition section in the deterioration amount calculated by the deterioration amount calculation section, and to update the reflected cumulative deterioration amount as a new cumulative deterioration amount.

Self-luminous display device, control method of self-luminous display device, and computer program

A first MISFET which is a semiconductor element is formed on an SOI substrate. The SOI substrate includes a supporting substrate which is a base, BOX layer which is an insulating layer formed on a main surface (surface) of the supporting substrate, that is, a buried oxide film; and an SOI layer which is a semiconductor layer formed on the BOX layer. The first MISFET as a semiconductor element is formed to the SOI layer. In an isolation region, an isolation groove is formed penetrating though the SOI layer and the BOX layer so that a bottom surface of the groove is positioned in the middle of a thickness of the supporting substrate. An isolation film is buried in the isolation groove being formed. Then, an oxidation resistant film is interposed between the BOX layer and the isolation film.

Semiconductor device including an isolation film buried in a groove

Provided is a self-luminous display device including a data calculation section configured to calculate, by using a supplied video signal, data relating to a luminance amount accumulated in a unit of a first block in a target region for luminance control in a screen on which a plurality of pixels are arranged in a matrix, each of the pixels including a light emitting element which emits light by itself according to a current amount, a resampling section configured to resample the data relating to the luminance amount in the target region, in a unit of a second block, the data relating to the luminance amount being calculated by the data calculation section, the second block being larger than the first block, and a scaling section configured to generate data for luminance control in the target region by scaling the data resampled by the resampling section.

An electronic device that generates a high frame rate video signal by increasing a frame rate of an input video signal; sets a non-emission frame at a predetermined cycle on the high frame rate video signal; extends an emission time of a frame directly before the frame set to non-emission into less than a full length of a field of the frame set to non-emission; and controls a display panel to display a video based on the setting and the extending.

Image display device, image display method, and program

There is provided a display device including a temporal direction control unit that causes a gain used to control a video signal to respond to an input video signal at high speed when the input video signal sharply increases, and causes the gain to respond to the input video signal at low speed when the input video signal gently increases.

Display device, integrated circuit, and control method

There is provided a self light emitting display device, including a variation detection unit configured to detect a variation of a video signal equal to, or greater than a predetermined threshold, a correction unit configured to correct an output level of the video signal based on the detection of the variation by the variation detection unit, and a video processing unit configured to perform a process with a predetermined time delay on the video signal supplied from the variation detection unit and configured to output the processed video signal to the correction unit.

Control of video signal power variations in self light emitting display device

A correction method for correcting uneven light emission of an organic EL panel, the correction method includes the steps of: supplying a predetermined signal to the organic EL panel to detect the brightness of the panel at horizontal and vertical scan positions; forming, based on a detection output thereof, correction data adapted to correct uneven brightness of the organic EL panel at a horizontal or vertical display position of the panel; storing the correction data in a memory; and reading the correction data from the memory during viewing to correct the level of a video signal supplied to the organic EL panel.

Method for uneven light emission correction of organic EL panel and display correction circuit of organic EL panel

Growing community of inventors

Tokyo, Japan

Yasuo Inoue