Panasonic Liquid Crystal Display Co., Ltd.

Matsushita Electric Industrial Co., Ltd.

Pasona Knowledge Partner Inc.

Panasonic Corporation

Pasona Knowledge Partners Inc.

Toshikazu Koudo

Hideyuki Nakanishi

Yoshiki Kuno

Katsuhiro Kikuchi

Hidefumi Ishibashi

Masahiro Ishii

Ikuko Mori

Masaharu Imura

Yasuhisa Mashiko

Genshiro Kawachi

Yoshihisa Ooishi

Kazuo Kita

Ryosuke Shimizu

Noriaki Kubo

Masato Ishii

Tetsuo Fukami

Junichi Maruyama

Kazuhiro Mihara

Takanori Okada

Shuichi Yoshida

Masaharu Tsujimura

Masaaki Kitajima

Jyun-ichi Komeno

Mitsuaki Oshima

Shinichi Tanaka

Naoya Takao

Yasushi Ayaki

Tsukasa Yoshiura

Yoshitaka Yaguchi

Kenichiro Yamauchi

Katsuji Tanaka

Satoshi Hirotsune

Michiro Tanaka

Takumi Matsuura

Hitoshi Ono

Makoto Arita

Ryuichiro Tanaka

Hitoshi Kudoh

Satoshi Tan

Ken Shiiba

Tohru Kushisaka

Kazusa Miyaji

A display device includes a first display panel disposed closer to an observer and a second display panel disposed farther from the observer than the first display panel. An image display region of the second display panel is larger than an image display region of the first display panel.

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.

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 that displays an input video signal, the liquid crystal display device comprising: a first liquid crystal display panel and a second liquid crystal display panel disposed to be laminated; a gamma corrector that generates a corrected video signal by performing gamma correction decided depending on a first control signal input from an outside with respect to the video signal; a first video signal generator that generates a first video signal for the first liquid crystal display panel using the corrected video signal; and a second video signal generator that generates a second video signal for the second liquid crystal display panel using the first video signal.

Liquid crystal display device and video signal processing method

A liquid crystal display device that displays an input video signal according to a present disclosure comprises: a first liquid crystal display panel and a second liquid crystal display panel disposed to be laminated; a first video signal generator that generates a first video signal for the first liquid crystal display panel by performing stereoscopic vision suppression processing of suppressing stereoscopic vision due to parallax on the video signal; and a second video signal generator that generates a second video signal for the second liquid crystal display panel using the first video signal, wherein when the video signal indicates a black spot, the first video signal generator performs the stereoscopic vision suppression processing with intensity different from that in a case where the video signal indicates a bright spot.

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.

Liquid crystal display device

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.

A liquid crystal display device comprises a first and second display panels that display a first image and a second image, respectively based on input image data of m bits, and are both driven by n bits, where n&#x3c;m, a first gradation decision unit that decides an output gradation of n bits for the first display panel based on a first gradation characteristic, the output gradation of n bits for the first display panel and a second gradation decision unit that decides an output gradation of n bits based on a second gradation characteristic for the second display panel, the output gradation of n bits for the second display panel. At least one of the first and second gradation characteristics includes a gradation inverting portion, where the output gradation decreases when the input gradation rises.

Liquid crystal display device and method for displaying image of the same

A touch panel comprising first electrodes that extend in a first direction and second electrodes that extend in the second direction, wherein each of the first electrodes and each of the second electrodes are constructed with conductive wires having mesh shape, each of the first electrodes is formed such that wide portions and narrow portions, each of the narrow portions having a width that is a length in the second direction narrower than each of the wide portions, are alternately arranged in the first direction, and one wide portion and one narrow portion in an endmost first electrode formed at an end are narrower than one wide portion and one narrow portion in an inner first electrode located inside the endmost first electrode, respectively.

Touch panel and display device with the same

A liquid crystal display device includes: a first display panel displaying a first image; a second display panel displaying a second image; and an image processor generating first and second image data based on input video signal. The image processor includes a first differential filtering processor, a multiplier that multiplies a grayscale of the image data subjected to the differential filtering by the first differential filtering processor by a correction coefficient, and a first smoothing processor that performs smoothing processing on image data obtained by adding the image data multiplied by the correction coefficient and the image data based on the input video signal. The image processor generates the first image data based on the image data based on the input video signal and the image data subjected to the smoothing processing, and generates the second image data based on the image data subjected to the smoothing processing.

A display apparatus includes an image display region having pixels sectioned by scanning signal lines and video signal lines, scanning connecting lines, thin film transistors, selection signal lines connected to gate electrodes of the thin film transistors, plural ones of the thin film transistors connected to different ones of the scanning connecting lines being connected to one of the selection signal lines; and a scanning signal drive circuit. The scanning signal drive circuit performs a normal scanning mode in which pulse signals are supplied in turn to plural ones of the scanning connecting lines connected to the one of the selection signal lines, and in the normal scanning mode, a fall timing of the gate-on voltage differs from a fall timing of a last one of the pulse signals supplied to the plural ones of the scanning connecting lines during the selection period.

Display device having a rise timing of a gate-on voltage that differs from a rise timing of a first pulse signal

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Hyogo, Japan

Toshikazu Koudo