Sharp Kabushiki Kaisha Corporation

Panasonic Liquid Crystal Display Co., Ltd.

Pasona Knowledge Partner Inc.

Semiconductor Energy Laboratory Co., Ltd.

Jsr Corporation

Sharp Corporation

Katsuhiro Kikuchi

Satoshi Inoue

Yuto Tsukamoto

Shinichi Kawato

Hideki Uchida

Manabu Niboshi

Takashi Ochi

Eiji Koike

Yoshiyuki Isomura

Kazuki Matsunaga

Masanori Ohara

Yuhki Kobayashi

Asae Ito

Toshikazu Koudo

Eiichi Matsumoto

Masahiro Ichihara

Hideyuki Nakanishi

Tomohiro Kosaka

Tomofumi Osaki

Hisao Ikeda

Masahiro Ishii

Ikuko Mori

Yoichi Yasui

Ayataka Endo

Toshiyuki Tanaka

Masakazu Shibasaki

Kazuhiko Tsuda

Ikuji Konishi

Tatsuo Itoman

Takenobu Nishiguchi

Masumi Kubo

Kohei Yokoyama

Noritaka Kishi

Yoshitaka Dozen

Nozomu Sugisawa

Naoyuki Senda

Yuichi Iyama

Kazuo Takizawa

Takao Imaoku

Yoshiharu Hirakata

Masahiro Yoshida

Fumikazu Shimoshikiryoh

Kaoru Hatano

Noboru Noguchi

Takuya Kawata

Yoshito Hashimoto

Hiroyuki Ohgami

Iori Aoyama

Hideaki Takase

Masashi Arai

Takayuki Natsume

Masayuki Soga

Naoko Gotoh

Junichi Mori

Kentaro Usui

Kenichi Hamada

Kanae Suenaga

Tatsuro Kato

Megumi Murata

Shigeru Uemura

A liquid crystal display device includes: a first liquid crystal cell; a second liquid crystal cell disposed in a backlight side; and a first optical sheet and a second optical sheet both having an identical layer structure. The first optical sheet is disposed on a front surface side of the first liquid crystal cell and the second optical sheet is disposed on a back surface side of the second liquid crystal cell, or vice versa.

Liquid crystal display device comprising a first liquid crystal layer having positive dielectric anisotropy and a second liquid crsytal layer having negative dielectric anisotropy

An image processing device that generates a second output image signal output to a second liquid crystal panel that is disposed to be superposed on a first liquid crystal panel, includes: a first corrector that generates a gamma correction signal in which a gradation value of an input image signal is corrected; a detector that receives the gamma correction signal and detects an image region brighter than surroundings as a first high-frequency portion from the gamma correction signal; and a second corrector that receives the gamma correction signal and a detection result of the detector and performs correction to decrease the gradation value of the first high-frequency portion in the gamma correction signal. The second output image signal is generated based on the gamma correction signal corrected by the second corrector.

Image processing device and liquid crystal display device

A display device according to present disclosure comprising: a first display panel that displays a first image; a second display panel disposed on a back surface side of the first display panel to display a second image; and an image processor that acquires input image data and generates first image data corresponding to the first image and second image data corresponding to the second image based on the input image data, wherein the image processor includes a first filter circuit that performs first low-pass filter processing on the input image data, and the first filter circuit reduces a degree of the first low-pass filter processing when input gradation of the input image data is less than first gradation as compared with a case that the input gradation is greater than or equal to the first gradation.

Display device

A liquid crystal display device having a plurality of display panels disposed in a superposed manner, comprising: a first display panel that displays a first image; a second display panel disposed on a back surface side of the first display panel to display a second image; and an image processor that generates first image data for the first image and second image data for the second image based on the input image data, wherein the image processor includes: a differential filter that performs differential filter processing on a luminance signal calculated from the input image data and outputs a differential detection value; a background level detection circuit that detects a background level using the luminance signal; a gain determination circuit that determines a filter gain using the differential detection value and the background level; and a low-pass filter that performs low-pass filter processing using the filter gain.

Liquid crystal display device having superposed display panels

A liquid crystal display device includes: first and second liquid crystal panels disposed to be overlapped with each other; a parallax reduction unit that generates the second output image signal by performing smoothing processing on a first signal based on the input image signal; a first temporal filter that generates a first response correction signal determining the first output image signal based on the second output image signal; and a corrector that generates the first output image signal based on at least the first response correction signal and a second signal based on the input image signal. The first temporal filter generates the first response correction signal of a current frame based on the second output image signal of the current frame and the first response correction signal of a previous frame.

Liquid crystal display device

A liquid crystal (LC) display device includes a first display panel, a second display panel, and an image processor. The image processor generates first image data and second image data that correspond to a first image and a second image for display on the first display panel and the second display panel, respectively. The image processor includes a first image data decision unit that decides the first image data, a filter that decides a correction factor, and a second image data decision unit that decides the second image data based on smoothed image data and the correction factor. A method for displaying an image in a LC display device with a first display panel and a second display panel includes determining first image data based on smoothed input image data, and determining second image data based on the smoothed input image data and a correction factor.

Multi-panel liquid crystal display device and method for displaying image therein

A liquid crystal display device includes: a first display panel including a first liquid crystal cell; and a second display panel including a second liquid crystal cell and is opposed to the first display panel. An irregularity structure having a predetermined external haze value is provided at an interface of an air layer existing between the first display panel and the second display panel.

Liquid crystal display device with plural display panels and surface irregularities

A liquid crystal display device comprises: a first display panel displaying a color image; a second display panel displaying a monochrome image; and an image processor generating first image data corresponding to the color image and second image data corresponding to the monochrome image based on an input video signal. The image processor generates the first image data and the second image data such that a graph representing transmittance of the first display panel for input gradation corresponding to the input video signal and a graph representing transmittance of the second display panel for the input gradation corresponding to the input video signal intersect each other at predetermined input gradation.

An organic electroluminescence device according to one aspect of the disclosure includes a base material including a recessed portion on an upper face, and a light emitting element including a reflective layer, a filling layer having optical transparency, a first electrode having optical transparency, an organic layer including at least a light emitting layer, and a second electrode having optical transparency. The reflective layer is disposed at least on a surface of the recessed portion. The filling layer is disposed at an inside of the recessed portion with the reflective layer interposed between the recessed portion and the filling layer. The first electrode is disposed at least on an upper-layer side of the filling layer. The organic layer is disposed on an upper layer of the first electrode. The second electrode is disposed on an upper-layer side of the organic layer. The organic electroluminescence device includes a display region that is divided into a plurality of unit regions. The plurality of unit regions each having the light emitting element has a light emitting area and a transmissive area that are partitioned.

Organic electroluminescence device including a plurality of unit regions each including a light emitting area and a transmissive area

A LCD device of display panels includes n-bit (n&#x3c;m) driving first display panel that displays first image based on m-bit input image data, n-bit driving second display panel that displays second image based on the m-bit input image data, and image processor including first gradation converter that converts gradation of the m-bit input image data into n-bit gradation, second gradation converter that converts gradation of the m-bit input image data into m1-bit (m1&#x2265;m) gradation, and extension processor that performs extension processing of extending gradation expression with the n bits on the input image data converted into the m1-bit gradation. The n-bit driving first display panel displays the first image based on the n-bit input image data, and the n-bit driving second display panel displays the second image based on the n-bit input image data subjected to the extension processing.

An organic EL element () includes a first light-emitting layer () having the shortest emission peak wavelength of a light-emitting layer () and containing a host material and a TTF material or at least the TTF material, a second light-emitting layer () containing at least a TADF material, a third light-emitting layer () having the longest emission peak wavelength of the light-emitting layer () and containing at least fluorescent material. The excited triplet level of the TTF material is lower than the excited triplet level of the TADF material.

Light-emitting element, display device, method for manufacturing light-emitting element, and light emission method

A light emitting element including at least a first trench portion having an indented shape within a single light emitting region. The first trench portion includes a first electrode, an EL layer, and a second electrode. The first electrode, the EL layer, and the second electrode are layered in this order and in contact with each other. At least one of the first electrode or the second electrode includes a reflective electrode.

Light emitting element, display panel, display device, electronic device and method for producing light emitting element

An organic EL panelis a bendable display panel including a plurality of pixel circuitseach having a light emitting element and a drive element. A data line drive circuitperforms, by driving data lines, an operation of writing a voltage to a control terminal of the drive element and an operation of measuring a current flowing through the drive element for the pixel circuitsselected by a scanning line drive circuit. A bending detection unitdetects a bending state of the organic EL panelbased on a measurement result of the current flowing through the drive element. A correction unitcorrects a video signal VSbased on the detected bending state. With this, the bending state of a screen is detected and a change in brightness or color when the screen is bent is prevented.

Flexible display device and method for detecting bending state thereof

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Osaka, Japan

Katsuhiro Kikuchi