Sony Corporation

Shuichi Haga

Koichiro Kakinuma

Takehiro Nakatsue

Tatsuhiko Matsumoto

Shigeo Kubota

Naoya Katoh

Hiroshi Yamashita

Yoshiki Shirochi

Hideo Morita

Junichi Iwai

Ko Ishimoto

Yoshihiro Kosugi

Hiroshi Takizuka

Koichi Oura

Kazuji Uemura

Akio Takada

Tsuneo Kusunoki

Takahiro Igarashi

Takeo Arai

Hideo Suyama

Toshitaka Kawashima

Masayasu Kakinuma

Junichi Ohsako

Takashi Oku

Yutaka Ota

Shina Kirita

Mamoru Sasaki

Yasuhiro Tagawa

Jin Sato

Yoshihide Shimpuku

Norio Saito

Shuichi Takahashi

Takuji Shibata

Nobuhiro Sugawara

Masaaki Kawamata

Chizuru Ohshima

Mikiya Kurosu

Provided is an information processing device including an image analysis unit that analyzes content of an input image projected by a projection device, and a projection position determination unit that determines a projection area in a projection space onto which the input image is projected by the projection device on the basis of an analysis result obtained by analyzing the input image.

Information processing device, method of information processing, and image display system

Signals are provided which allow colors in a wider color range than predetermined standards, which can be handled by apparatus according to such predetermined standards. A primary color converter converts first color signals having primary color points in a wider color range than the primary color points according to BT.709 into second color signals based on the primary colors according to BT.709. A photoelectric transducer converts the second color signals into third color signals according to photoelectric transducer characteristics defined in a numerical range wider than a range from 0 to 1.0 of color signals corresponding to a luminance signal and color difference signals according to BT.709. A color signal converter converts the third color signals into a luminance signal and color difference signals. A corrector incorporated in the color signal converter corrects the color difference signals into color difference signals.

Signal processing apparatus and method, and program

A liquid crystal display having a wide color reproduction range is provided. A liquid crystal display includes a liquid crystal panel driven based on image signals, a light source emitting light for illuminating the liquid crystal panel, and a light selective transmission filter, which has wavelength selective transmission characteristics corresponding to spectral characteristics of the light source, selectively transmits light generated from the light source in the specific wavelength regions based on the wavelength selective transmission characteristics, and guides the transmitted light to the liquid crystal panel.

Liquid crystal display with a light selective reflection filter

A color liquid crystal display device assembly includes a color liquid crystal display device in which pixels each including at least a first subpixel, a second subpixel, and a third subpixel are arranged in a two-dimensional matrix, and a planar light source device which has light sources emitting first primary light corresponding to a first primary color of the light three primary colors and illuminating the color liquid crystal display device, and the liquid crystal display device has (A) second primary light emitting regions which emit second primary light when excited by the first primary light passing through the second subpixel, (B) third primary light emitting regions which emit third primary light when excited by the first primary light passing through the third subpixel, and (C) diffusion regions which diffuse the first primary light emitted from the light sources and passing through each first subpixel.

Color liquid crystal display device assembly

A color filter () used in a transmissive color liquid crystal display panel of a color liquid crystal display (LCD) apparatus. This color filter () is constituted by a tristimulus color filter for wavelength-selecting and transmitting red light, green light and blue light. Mixing of blue color and red color is prohibited by not having the transmission wavelength band of the red filter CFR overlaid substantially on the transmission wavelength band of the blue filter CFB.

Color filter and color LCD apparatus having red filter with a peak wavelength between 685 nm and 690 nm and a red light source having a peak wavelength of between 640 nm and 645 nm

Disclosed is a backlight device which is used for a color liquid crystal display and includes a light source and a backlight housing (). The light source includes a red light emitting diode (R), radiating red light, having a peak wavelength &#x3bb;pr such that 625 nm&#x2266;&#x3bb;pr&#x2266;685 nm, a green light emitting diode (G), radiating green light, having a peak wavelength &#x3bb;pg such that 505 nm&#x2266;&#x3bb;pg&#x2266;540 nm, and a blue light emitting diode (B), radiating blue light, having a peak wavelength &#x3bb;pb such that 420 nm&#x2266;&#x3bb;pb&#x2266;465 nm. The backlight housing mixes the red light, the green light and the blue light, radiated from the light source, to generate white light. A light emission intensity is adjusted so that a half value width of a spectrum of the red light, a half value width of a spectrum of the green light and a half value width of a spectrum of the blue light are such that 20 nm&#x2266;hwr&#x2266;25 nm, 30 nm&#x2266;hwg&#x2266;40 nm and 25 nm&#x2266;hwb&#x2266;30 nm, respectively.

Backlight device and color liquid crystal display

Disclosed is a color liquid display (LCD) employing a transmissive color liquid display panel. The display includes a complementary color light emitting diode, which is one of a cyan light emitting diode (C), emitting cyan light, a yellow light emitting diode, emitting yellow light, and a magenta light emitting diode, emitting magenta light, in addition to light emitting diodes emitting three prime colors, as a light source. The display also includes a complementary color filter, having at least one of a cyan filter CFC having a transmission wavelength range corresponding to the cyan light, a yellow filter CFY having a transmission wavelength range corresponding to the yellow light and a magenta filter CFM having a transmission wavelength range corresponding to the magenta light, in addition to a tristimulus color filer, as a color filter ().

Color liquid crystal display apparatus

Disclosed is a backlight device used for a color liquid crystal display (LCD) apparatus. The red light, green light and blue light, generated by a light source, made up by a red light emitting diode (R), a green light emitting diode (G) and a blue light emitting diode (B), respectively, are mixed together to generate white light. The red light has a half-value width hwr such that 15 nm&#x2266;hwr&#x2266;30 nm, and the green light has a half-value width hwg such that 25 nm&#x2266;hwg&#x2266;50 nm. The blue light has a half-value width hwb such that 15 nm&#x2266;hwb&#x2266;30 nm. The white light illuminates a transmissive color liquid crystal display panel () from its back side. The transmissive color liquid crystal display panel includes a color filter () made up by a tristimulus filter for wavelength-selecting and transmitting red light, green light and blue light.

Backlight device and color liquid crystal display apparatus

LCD with selective transmission filter having light transmittance of 80% or more at wavelength regions of 440+/&#x2212;20nm; 525+/&#x2212;25nm and 565+/&#x2212;45nm, and 10% or less at 470 to 485nm and 575 to 595nm

Signals are provided which allow colors in a wider color range than predetermined standards, which can be handled by apparatus according to such predetermined standards. A primary color converter converts first color signals having primary color points in a wider color range than the primary color points according to BT.709 into second color signals based on the primary colors according to BT.709. A photoelectric transducer converts the second color signals into third color signals according to photoelectric transducer characteristics defined in a numerical range wider than a range from 0 to 1.0 of color signals corresponding to a luminance signal and color difference signals according to BT. 709. A color signal converter converts the third color signals into a luminance signal and color difference signals. A corrector incorporated in the color signal converter corrects the color difference signals into color difference signals.

A color liquid crystal display device capable of displaying a large color gamut is provided. A color liquid crystal display deviceincludes: a transmissive color liquid crystal panelhaving a color filter and a backlight light source, in which the backlight light sourceincludes a fluorescent lampof large color reproduction range, a color filteris made of color filters of three primary colors that select the wavelength to transmit red light, green light and blue light, and the filter of each color has a spectroscopic characteristic suitable for the spectrum of the fluorescent lampof large color reproduction range.

Color liquid crystal display device

Growing community of inventors

Kanagawa, Japan

Shuichi Haga