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公开(公告)号：US09214118B2
公开(公告)日：2015-12-15
申请号：US14505145
申请日：2014-10-02
Applicant: Japan Display Inc.
Inventor： Fumitaka Gotoh , Tsutomu Harada , Masaaki Kabe , Tae Kurokawa , Kojiro Ikeda , Toshiyuki Nagatsuma , Akira Sakaigawa , Naoyuki Takasaki , Amane Higashi
CPC classification number: G09G3/3607 , G09G5/10 , G09G2300/0452
Abstract: A display device includes: an image display unit that includes a plurality of main pixels in an image display region, the image display unit including sub-pixels; a light source that irradiates the image display region; a light source control unit that controls luminance of the light source; and a color information correction processing unit that corrects first color information that is obtained based on the luminance of the light source and an input video signal to second color information, when color information of at least one of a red pixel, a green pixel, and a blue pixel included in the first color information exceeds a predetermined threshold, the second information is corrected by degenerating color information of the red pixel, the green pixel, and the blue pixel, and by adding color information of the white pixel included in the first color information based on the degenerated color information.
Abstract translation: 显示装置包括：图像显示单元，其包括图像显示区域中的多个主要像素，所述图像显示单元包括子像素; 照射图像显示区域的光源; 光源控制单元，其控制所述光源的亮度; 以及颜色信息校正处理单元，当将红色像素，绿色像素以及绿色像素中的至少一种的颜色信息作为颜色信息时，将基于光源的亮度和输入视频信号的亮度获得的第一颜色信息校正为第二颜色信息 包括在第一颜色信息中的蓝色像素超过预定阈值，通过对红色像素，绿色像素和蓝色像素的颜色信息进行退化来校正第二信息，并且通过将包括在第一颜色信息中的第一颜色信息中的白色像素的颜色信息相加 基于退化颜色信息的颜色信息。
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公开(公告)号：US20150331291A1
公开(公告)日：2015-11-19
申请号：US14711013
申请日：2015-05-13
Applicant: JAPAN DISPLAY INC.
Inventor： Akira Sakaigawa
IPC: G02F1/1343 , G02F1/1362 , G02F1/1368
CPC classification number: G02F1/134336 , G02F1/13624 , G02F1/136286 , G02F1/1368 , G02F2001/134345 , G02F2201/40 , G02F2201/52 , G09G3/3607 , G09G3/3625 , G09G3/3648 , G09G2300/0426 , G09G2300/0452 , G09G2300/0465 , G09G2320/0242 , G09G2320/0666
Abstract: In a display device, first and second sub pixels arranged in juxtaposition between adjacent scan lines are lined alternately in a column direction in at least one of first and third columns of sub pixels; at least one of third and fourth sub pixels is arranged between adjacent scan lines in at least one of second and fourth columns of sub pixels; the first, second, third, and fourth sub pixels are included in an identical row of pixels and the first, second, third, and fourth columns of sub pixels; and a first pixel that is in an identical row of pixels and includes sub pixels of the first and second columns includes a sub pixel not present in a second pixel that is adjacent to the first pixel in a row direction and is included in the third and fourth columns.
Abstract translation: 在显示装置中，在相邻扫描线之间并置布置的第一和第二子像素在第一和第三列子像素列中的至少一列中沿列方向交替排列; 第三和第四子像素中的至少一个被布置在第二和第四列子像素中的至少一列中的相邻扫描线之间; 第一，第二，第三和第四子像素被包括在相同的像素行和子像素的第一，第二，第三和第四列中; 并且处于相同行像素并且包括第一列和第二列的子像素的第一像素包括不存在于与行方向上的第一像素相邻并且包括在第三列中的第二像素中的子像素，并且 第四列。
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73.发明申请公开(公告)号：US20150310828A1
公开(公告)日：2015-10-29
申请号：US14682520
申请日：2015-04-09
Applicant: Japan Display Inc.
Inventor： Fumitaka Gotoh , Tsutomu Harada , Toshiyuki Nagatsuma , Akira Sakaigawa , Masaaki Kabe , Tae Kurokawa , Kojiro Ikeda
CPC classification number: G09G3/3406 , G09G2320/064 , G09G2320/0646
Abstract: Provided are a display apparatus and an illumination apparatus including: a light source; a time division control unit that performs a time division operation on a value represented by a first luminance control signal of a first bit number for controlling luminance of the light source to generate second luminance control signals each having a second bit number that is smaller than the first bit number and generates third luminance control signals each having a pulse width that corresponds to one of the values represented by the second luminance control signals; and a drive unit that generates drive signals for causing the light source to emit light on the basis of the third luminance control signals and supplies the drive signals to the light source.
Abstract translation: 提供一种显示装置和照明装置，包括：光源; 时分控制单元，对由第一位数的第一亮度控制信号表示的值进行时分运算，用于控制光源的亮度，以产生第二亮度控制信号，每个第二亮度控制信号的第二位数小于 产生第一亮度控制信号，每个具有对应于由第二亮度控制信号表示的值之一的脉冲宽度的第三亮度控制信号; 以及驱动单元，其产生用于使光源基于第三亮度控制信号发光的驱动信号，并将驱动信号提供给光源。
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公开(公告)号：US20140285539A1
公开(公告)日：2014-09-25
申请号：US14223306
申请日：2014-03-24
Applicant: JAPAN DISPLAY INC.
Inventor： Tae Kurokawa , Akira Sakaigawa , Masaaki Kabe , Masashi Mitsui , Kojiro Ikeda , Fumitaka Goto , Amane Higashi , Hirokazu Tatsuno , Toshiyuki Nagatsuma , Hiroki Uchiyama
CPC classification number: G09G3/3406 , G06F1/32 , G06F1/3265 , G09G3/3607 , G09G3/3648 , G09G2320/0242 , G09G2320/0646 , G09G2340/06 , Y02D10/153
Abstract: According to an aspect, a display device includes: an image display panel; a color conversion device including a signal processing unit and a signal output unit; a planar light-source device; and a light-source-device control unit. The signal processing unit includes a color conversion circuit that converts an input signal in a reference color area into a converted input signal generated in a definition color area where a chromaticity point of at least one of a first color, a second color, and a third color is inside of a reference color area, and a four-color generation circuit that generates an output signal and a light-source-device control signal from the converted input signal. The signal output unit outputs the drive signal to each sub-pixel based on the output signal. The light-source-device control unit outputs a drive voltage for emitting white light on the planar light-source device based on the light-source-device control signal.
Abstract translation: 根据一方面，一种显示装置包括：图像显示面板; 颜色转换装置，包括信号处理单元和信号输出单元; 平面光源装置; 以及光源装置控制部。 信号处理单元包括将参考色区域中的输入信号转换为定义色区域中生成的转换输入信号的颜色转换电路，其中第一颜色，第二颜色和第三色彩中的至少一个的色度点 颜色在参考颜色区域内，以及四色生成电路，其从转换的输入信号生成输出信号和光源装置控制信号。 信号输出单元基于输出信号将驱动信号输出到每个子像素。 光源装置控制部基于光源装置控制信号，在平面光源装置上输出用于发出白光的驱动电压。
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公开(公告)号：US12099270B2
公开(公告)日：2024-09-24
申请号：US18538101
申请日：2023-12-13
Applicant: Japan Display Inc.
Inventor： Kentaro Okuyama , Akira Sakaigawa
IPC: G02F1/1334 , G02F1/1335 , G02F1/13357 , G02F1/13363
CPC classification number: G02F1/1334 , G02F1/133615 , G02F1/133622 , G02F1/133638
Abstract: A display device is provided and includes display panel including first substrate, lower electrode on first substrate, lower alignment layer with first alignment direction on lower electrode, second substrate, upper electrode on second substrate, upper alignment layer with first alignment direction on upper electrode, and liquid crystalline polymers with striped structure and liquid crystal molecules which are aligned in first alignment direction, and which are disposed between first and second substrates; light source unit disposed at side of display panel and configured to emit incident light which is not polarized; and light guided structure disposed between side of display panel and light source unit, wherein light source unit is disposed in parallel to first alignment direction and light which is emitted from display panel is polarized in first alignment direction.
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Patent Agency Ranking
公开(公告)号：US11181766B2
公开(公告)日：2021-11-23
申请号：US16783379
申请日：2020-02-06
Applicant: Japan Display Inc.
Inventor： Kentaro Okuyama , Akira Sakaigawa
IPC: G02F1/1334 , G02F1/13357 , G02F1/1335 , G02F1/13363
Abstract: A display device is provided and includes a display panel including a first substrate, a lower electrode on the first substrate, a second substrate, an upper electrode on the second substrate, and a light modulation layer including liquid crystalline polymers with a striped structure and liquid crystal molecules, the light modulation layer being disposed between the first and second substrates; a light source unit disposed at a side of the display panel; and a light guided structure disposed between the display panel and the light source unit so that the light guided structure guides the incident light from the light source unit into the side of the display panel.
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公开(公告)号：US10313636B2
公开(公告)日：2019-06-04
申请号：US16039423
申请日：2018-07-19
Applicant: Japan Display Inc.
Inventor： Yutaka Ozawa , Akira Sakaigawa , Keiji Fukuhara
IPC: B60R1/02 , G09G5/00 , H04N5/42 , H04N7/18 , H04L12/18 , G09G3/20 , H04N5/77 , H04N7/24 , H04N5/232 , H04N5/14 , B60R1/12
Abstract: The display system includes a display system including an image-capturing apparatus including an image-capturing element; an image processing apparatus that performs image processing on the image; and a display apparatus including a display device that displays the image resulting from the image processing. The image processing apparatus includes an image processor that performs the image processing on a predetermined number of line images corresponding to a part of a frame image captured by the image-capturing element, sequentially outputs the image to the display apparatus per the predetermined number of line images, and causes the display apparatus to display the frame image; and a storage device that stores the predetermined number of line images until the frame image is completed. The image processor is configured to perform the image processing including frame unit processing on the predetermined number of line images associated with the frame image to be output.
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公开(公告)号：US10268089B2
公开(公告)日：2019-04-23
申请号：US14717289
申请日：2015-05-20
Applicant: Japan Display Inc.
Inventor： Tae Kurokawa , Akira Sakaigawa , Masaaki Kabe , Kojiro Ikeda , Amane Higashi
IPC: G02F1/1335 , G02F1/1343
Abstract: According to one embodiment, a display device includes a display panel, a light source, a light guide and a prism sheet. The display panel includes a display area in which unit pixels each containing first sub-pixels and second sub-pixels are arranged along a first direction and a second direction. In the display area, the first sub-pixels have a width different from that of the second sub-pixel in at least one of the first direction and the second direction, or each unit pixel contains different numbers of first sub-pixels and second sub-pixels. The prism sheet is interposed between the light guide and the display panel and includes prisms extending along a third direction inclined with respect to the second direction by an acute angle of inclination.
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公开(公告)号：US10163410B2
公开(公告)日：2018-12-25
申请号：US15447312
申请日：2017-03-02
Applicant: Japan Display Inc.
Inventor： Masaaki Kabe , Amane Higashi , Yasuo Takahashi , Akira Sakaigawa
Abstract: A driving method for an image display apparatus which includes an image display panel having a plurality of pixels arrayed in a two-dimensional matrix and each configured from a first subpixel for displaying a first primary color, a second subpixel for displaying a second primary color, a third subpixel for displaying a third primary color and a fourth subpixel for displaying a fourth color, and a signal processing section. The signal processing section is capable of calculating a first subpixel output signal, a second subpixel output signal, a third subpixel output signal, and a fourth subpixel output signal. The driving method includes a step of calculating a maximum value (Vmax(S)) of brightness, a saturation (S) and brightness (V(S)), and determining the expansion coefficient (α0).
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公开(公告)号：US10162088B2
公开(公告)日：2018-12-25
申请号：US15653063
申请日：2017-07-18
Applicant: Japan Display Inc.
Inventor： Yasuyuki Matsui , Masaaki Kabe , Akira Sakaigawa , Koji Noguchi , Kenta Seki
IPC: G02F1/1335 , G02B5/20 , G02B5/00
Abstract: An image display apparatus including an image display panel that includes: a first color filter for passing light of a first primary and first auxiliary pixels for displaying the first primary; a second color filter for passing light of a second primary and second auxiliary pixels for displaying the second primary; a third color filter for passing light of a third primary and third auxiliary pixels for displaying the third primary; and fourth auxiliary pixels for displaying a fourth color; the first auxiliary pixels, the second auxiliary pixels, the third auxiliary pixels, and the fourth auxiliary pixels being arranged in a two-dimensional matrix, and a light shielding region disposed at least partly around the peripheral edge of each of the fourth auxiliary pixels.
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