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公开(公告)号：US10565944B2
公开(公告)日：2020-02-18
申请号：US15962612
申请日：2018-04-25
Applicant: Japan Display Inc.
Inventor： Kojiro Ikeda , Masaaki Kabe , Chikyu Nakaoka
IPC: G09G3/36 , G02F1/1335 , G02F1/133
Abstract: According to an aspect, a display device includes a plurality of pixels. Each pixel includes two sub-pixels adjacent to each other in a first direction. Each sub-pixel has one of three colors allocated thereto. Two colors of the two sub-pixels included in the pixel are different. The two colors of the two sub-pixels and a positional relation between the two sub-pixels are the same in each of the pixels arrayed in a second direction. One color not allocated to the two sub-pixels included in a first pixel out of the three colors is allocated to at least one of the sub-pixels included in second pixels adjacent to the first pixel in the first direction. The sub-pixels having the same color allocated thereto are arranged along the first direction with one sub-pixel interposed therebetween, the one sub-pixel having another color allocated thereto.
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22.发明授权公开(公告)号：US10373533B2
公开(公告)日：2019-08-06
申请号：US15924567
申请日：2018-03-19
Applicant: Japan Display Inc.
Inventor： Yasuyuki Matsui , Akira Sakaigawa , Masaaki Kabe , Kenta Seki
IPC: G09G3/36 , G09F13/04 , G02F1/1335
Abstract: Disclosed herein is a display apparatus including: a first pixel including three sub-pixels for displaying three primary colors respectively; and a second pixel including three sub-pixels for displaying two colors selected among the three primary colors and a predetermined color other than the three primary colors, wherein, in the first pixel, the size of the display surface of a sub-pixel for displaying a specific color included in the three primary colors as a specific color missing from the second pixel is larger than each of the sizes of the display surfaces of the two other sub-pixels for displaying the two other primary colors respectively.
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公开(公告)号：US10147767B2
公开(公告)日：2018-12-04
申请号：US15626563
申请日：2017-06-19
Applicant: Japan Display Inc.
Inventor： Masaaki Kabe , Hidemasa Yamaguchi , Kojiro Ikeda , Akira Sakaigawa
Abstract: A display device includes a display unit in which pixels are arranged in a matrix. The pixels each include a first sub-pixel having the largest area among sub-pixels, a second sub-pixel adjacent to the first sub-pixel and having an area smaller than that of the first sub-pixel, and a third sub-pixel adjacent to the first and second sub-pixels, having an area smaller than that of the first sub-pixel, and arranged in the same column as that of second sub-pixels. First, second, and third pixels are aligned in at least one of a column direction or a row direction and each include the first, second, and third sub-pixels that can display different one of first, second, and third colors. Areas of the first, second, and third colors displayable by the first, second, and third pixels in total are equal to one another.
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公开(公告)号：US09972253B2
公开(公告)日：2018-05-15
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.
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公开(公告)号：US20170330530A1
公开(公告)日：2017-11-16
申请号：US15648177
申请日：2017-07-12
Applicant: Japan Display Inc.
Inventor： Kojiro Ikeda , Toshiyuki Nagatsuma , Masaaki Kabe , Amane Higashi , Tae Kurokawa , Fumitaka Gotoh , Akira Sakaigawa
CPC classification number: G09G5/10 , G09G3/3607 , G09G3/3648 , G09G5/02 , G09G2300/0452 , G09G2340/0457 , G09G2340/06 , G09G2360/16
Abstract: A display device includes a signal processing unit that receives input signals, and calculates output signals to a first sub-pixel, a second sub-pixel, a third sub-pixel, and a fourth sub-pixel. The signal processing unit calculates a frequency of pixels belonging to each of a plurality of partitions using a light quantity of a surface light source. The signal processing unit calculates an index value for each of the partitions by at least multiplying the cumulative frequency being obtained by sequentially adding the frequency of pixels from a partition having the maximum light quantity among the partitions, and the number of partitions representing a position of a partition to which the cumulative frequency belongs counted from the partition having the maximum light quantity. The signal processing unit controls luminance of the surface light source based on a partition in which the index value exceeds a threshold.
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Patent Agency Ranking
26.发明授权公开(公告)号：US09666114B2
公开(公告)日：2017-05-30
申请号：US14322307
申请日：2014-07-02
Applicant: Japan Display Inc.
Inventor： Amane Higashi , Akira Sakaigawa , Masaaki Kabe , Yasuo Takahashi
CPC classification number: G09G3/2003 , G09G3/3611 , G09G2300/0452 , G09G2330/021 , G09G2340/06
Abstract: Disclosed herein is a driving method for an image display apparatus which includes an image display panel and a signal processing section. Each of the pixels includes 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. The signal processing section is capable of calculating a first subpixel output signal, a second subpixel output signal, and a third subpixel output signal. The driving method includes the step, further carried out by the signal processing section, of calculating a fourth subpixel output signal based on a fourth subpixel control second signal and a fourth subpixel control first signal, and outputting the calculated fourth subpixel output signal to the fourth subpixel of the (p,q)th pixel.
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公开(公告)号：US20170110072A1
公开(公告)日：2017-04-20
申请号：US15395060
申请日：2016-12-30
Applicant: Japan Display Inc.
Inventor： Yasuyuki Matsui , Akira Sakaigawa , Masaaki Kabe , Kenta Seki
IPC: G09G3/36
CPC classification number: G09F13/04 , G02F1/133514 , G02F2201/52 , G09G3/3607 , G09G2300/0452 , G09G2300/0465 , G09G2300/0478 , G09G2310/08 , G09G2320/0233 , G09G2320/0247 , G09G2330/021
Abstract: Disclosed herein is a display apparatus including: a first pixel including three sub-pixels for displaying three primary colors respectively; and a second pixel including three sub-pixels for displaying two colors selected among the three primary colors and a predetermined color other than the three primary colors, wherein, in the first pixel, the size of the display surface of a sub-pixel for displaying a specific color included in the three primary colors as a specific color missing from the second pixel is larger than each of the sizes of the display surfaces of the two other sub-pixels for displaying the two other primary colors respectively.
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公开(公告)号：US09378691B2
公开(公告)日：2016-06-28
申请号：US14936435
申请日：2015-11-09
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.
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29.发明授权Display device including signal processing unit that converts an input signal for an input HSV color space, electronic apparatus including the display device, and drive method for the display device 有权显示装置，包括转换输入HSV色彩空间的输入信号的信号处理单元，包括显示装置的电子装置，以及显示装置的驱动方法公开(公告)号：US09311886B2
公开(公告)日：2016-04-12
申请号：US14073443
申请日：2013-11-06
Applicant: Japan Display Inc.
Inventor： Kojiro Ikeda , Fumitaka Goto , Tae Nakahara , Masashi Mitsui , Amane Higashi , Hiroki Uchiyama , Toshiyuki Nagatsuma , Hirokazu Tatsuno , Masaaki Kabe , Akira Sakaigawa
CPC classification number: G09G5/02 , G09G3/3648 , G09G2300/0452 , G09G2340/06
Abstract: According to an aspect, a display device includes an image display panel on which pixels each including sub-pixels for displaying a first color, a second color, a third color, and a fourth color are arranged, and a signal processing unit that converts an input value of an input signal for an input HSV color space into an output signal for an extended HSV color space. The signal processing unit divides the extended HSV color space into a plurality of spaces, sets limit proportion values different from each other with respect to at least two spaces of the divided spaces respectively, calculates an extension coefficient α with respect to the input signal by using the input signal and a limit proportion value set with respect to a space according to the input signal, and calculates the output signal based on at least the input signal and the extension coefficient α.
Abstract translation: 根据本发明的一个方面，一种显示装置包括图像显示面板，在该图像显示面板上布置有各自包括用于显示第一颜色，第二颜色，第三颜色和第四颜色的子像素的像素，以及信号处理单元， 用于输入HSV色彩空间的输入信号的输入值作为扩展HSV色彩空间的输出信号。 信号处理单元将扩展HSV颜色空间分割为多个空格，分别相对于分割空间的至少两个空格设定彼此不同的极限比例值，通过使用相对于输入信号计算扩展系数α 输入信号和根据输入信号相对于空间设置的限制比例值，并且至少基于输入信号和扩展系数α来计算输出信号。
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公开(公告)号：US20160063935A1
公开(公告)日：2016-03-03
申请号：US14936435
申请日：2015-11-09
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.
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