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1.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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2.发明申请公开(公告)号：US20140168284A1
公开(公告)日：2014-06-19
申请号：US14086476
申请日：2013-11-21
Applicant: Japan Display Inc.
Inventor： Masaaki Kabe , Toshiyuki Nagatsuma , Amane Higashi , Kojiro Ikeda , Tae Kurokawa , Masashi Mitsui , Hiroki Uchiyama , Hirokazu Tatsuno , Fumitaka Goto , Akira Sakaigawa
CPC classification number: G09G3/3607 , G09G3/2003 , G09G3/3648 , G09G2300/0452 , G09G2320/0242 , G09G2340/06 , G09G2360/16
Abstract: According to an aspect, a display device includes a first sub-pixel, a second sub-pixel, a third sub-pixel; and a fourth sub-pixel. A signal obtained based on at least an input signal for the first sub-pixel and an extension coefficient is supplied to the first sub-pixel. A signal obtained based on at least an input signal for the second sub-pixel and the extension coefficient is supplied to the second sub-pixel. A signal obtained based on at least an input signal for the third sub-pixel and the extension coefficient is supplied to the third sub-pixel. A signal obtained based on at least the input signal for the first sub-pixel, the input signal for the second sub-pixel, the input signal for the third sub-pixel, and the extension coefficient is supplied to the fourth sub-pixel. The extension coefficient varies based on at least a saturation of the input signals.
Abstract translation: 根据一个方面，显示装置包括第一子像素，第二子像素，第三子像素; 和第四子像素。 至少基于第一子像素的输入信号获得的信号和扩展系数被提供给第一子像素。 至少基于第二子像素的输入信号获得的信号和扩展系数被提供给第二子像素。 至少基于第三子像素的输入信号获得的信号和扩展系数被提供给第三子像素。 基于至少基于第一子像素的输入信号，第二子像素的输入信号，第三子像素的输入信号和扩展系数获得的信号被提供给第四子像素。 扩展系数至少基于输入信号的饱和度而变化。
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公开(公告)号：US10365755B2
公开(公告)日：2019-07-30
申请号：US15408907
申请日：2017-01-18
Applicant: Japan Display Inc.
Inventor： Hiroki Uchiyama , Hidetoshi Komatsu , Naoshi Goto , Shunsuke Noichi
Abstract: Each of frame display periods is for performing a display operation based on image information on one frame and each of detection surface touch detection periods is from when touch detection is started to when the detection is completed on the entire detection surface. At least one frame display period of the frame display periods and at least one detection surface touch detection period of the detection surface touch detection periods are started based on a display synchronization signal. The display operation and the touch detection operation are performed in a time-division manner in the one frame display period. The length of the one detection surface touch detection period is longer than the one length of the frame display period.
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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：US10395573B2
公开(公告)日：2019-08-27
申请号：US15464624
申请日：2017-03-21
Applicant: Japan Display Inc.
Inventor： Youichi Ooki , Hiroki Uchiyama
Abstract: According to an aspect, a display apparatus includes: a signal line or a scanning line coupled to a plurality of pixels arranged in a display region; a driver that supplies a drive signal via a resistor to the signal line or the scanning line; and an anomaly detector that monitors a response characteristic of a node between the resistor and the signal line or a node between the resistor and the scanning line.
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Patent Agency Ranking
公开(公告)号：US10019961B2
公开(公告)日：2018-07-10
申请号：US14716240
申请日：2015-05-19
Applicant: Japan Display Inc.
Inventor： Masaaki Kabe , Hiroki Uchiyama , Toshiaki Fukushima , Gen Koide
CPC classification number: G09G3/3696 , G09G3/20 , G09G3/2003 , G09G3/3614 , G09G5/18 , G09G2300/0426 , G09G2300/0452 , G09G2300/0465 , G09G2330/021 , G09G2340/0457
Abstract: A display device includes an image display panel and a control device. The image display panel includes first sub-pixels, second sub-pixels, third sub-pixels, and fourth sub-pixels in which a specified sub-pixel column including the third sub-pixels and the fourth sub-pixels and at least one other sub-pixel column arranged next to the specified sub-pixel column are periodically arranged. The control device performs column inversion driving to apply a voltage having the same polarity to signal lines of a first specified sub-pixel column belonging to the specified sub-pixel columns and the other sub-pixel column adjacent to the first specified sub-pixel column, apply a voltage having the same polarity as the first specified sub-pixel column to one of the signal lines of a second specified sub-pixel column and a third specified sub-pixel column adjacent to the first specified sub-pixel column, and invert the polarities of the voltages to be applied at predetermined cycles.
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7.发明授权公开(公告)号：US09324283B2
公开(公告)日：2016-04-26
申请号：US14086476
申请日：2013-11-21
Applicant: Japan Display Inc.
Inventor： Masaaki Kabe , Toshiyuki Nagatsuma , Amane Higashi , Kojiro Ikeda , Tae Kurokawa , Masashi Mitsui , Hiroki Uchiyama , Hirokazu Tatsuno , Fumitaka Goto , Akira Sakaigawa
CPC classification number: G09G3/3607 , G09G3/2003 , G09G3/3648 , G09G2300/0452 , G09G2320/0242 , G09G2340/06 , G09G2360/16
Abstract: According to an aspect, a display device includes a first sub-pixel, a second sub-pixel, a third sub-pixel; and a fourth sub-pixel. A signal obtained based on at least an input signal for the first sub-pixel and an extension coefficient is supplied to the first sub-pixel. A signal obtained based on at least an input signal for the second sub-pixel and the extension coefficient is supplied to the second sub-pixel. A signal obtained based on at least an input signal for the third sub-pixel and the extension coefficient is supplied to the third sub-pixel. A signal obtained based on at least the input signal for the first sub-pixel, the input signal for the second sub-pixel, the input signal for the third sub-pixel, and the extension coefficient is supplied to the fourth sub-pixel. The extension coefficient varies based on at least a saturation of the input signals.
Abstract translation: 根据一个方面，显示装置包括第一子像素，第二子像素，第三子像素; 和第四子像素。 至少基于第一子像素的输入信号获得的信号和扩展系数被提供给第一子像素。 至少基于第二子像素的输入信号获得的信号和扩展系数被提供给第二子像素。 至少基于第三子像素的输入信号获得的信号和扩展系数被提供给第三子像素。 基于至少基于第一子像素的输入信号，第二子像素的输入信号，第三子像素的输入信号和扩展系数获得的信号被提供给第四子像素。 扩展系数至少基于输入信号的饱和度而变化。
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公开(公告)号：US20170278441A1
公开(公告)日：2017-09-28
申请号：US15464624
申请日：2017-03-21
Applicant: Japan Display Inc.
Inventor： Youichi Ooki , Hiroki Uchiyama
IPC: G09G3/00
CPC classification number: G09G3/006 , G09G3/3648 , G09G3/3677 , G09G2330/12
Abstract: According to an aspect, a display apparatus includes: a signal line or a scanning line coupled to a plurality of pixels arranged in a display region; a driver that supplies a drive signal via a resistor to the signal line or the scanning line; and an anomaly detector that monitors a response characteristic of a node between the resistor and the signal line or a node between the resistor and the scanning line.
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公开(公告)号：US09552758B2
公开(公告)日：2017-01-24
申请号：US14708406
申请日：2015-05-11
Applicant: Japan Display Inc.
Inventor： Tsutomu Harada , Hiroki Uchiyama , Toshiyuki Nagatsuma
CPC classification number: G09G3/2003 , G06T1/20 , G09G3/2092 , G09G3/3413 , G09G3/36 , G09G5/06 , G09G2300/0452 , G09G2320/0626 , G09G2330/021 , G09G2330/022 , G09G2340/06 , G09G2360/144 , H04N1/46 , H04N1/60
Abstract: A display device includes an image processing unit that performs image processing on image data input from the outside, and performs display output corresponding to the image data on which image processing is performed by the image processing unit. The image processing unit includes a first processing circuit that simply replaces colors of an image to limit the number of colors used for the image to a predetermined number equal to or smaller than 16, a second processing circuit that performs image processing including arithmetic processing for improving luminance of a plurality of pixels constituting the image displayed on the display device corresponding to the image data; and a switching unit that causes the second processing circuit to perform image processing, and causes the first processing circuit to perform image processing when performing the image processing while saving more power than the second processing circuit.
Abstract translation: 显示装置包括对从外部输入的图像数据执行图像处理的图像处理单元，并且执行与由图像处理单元执行图像处理的图像数据相对应的显示输出。 图像处理单元包括简单地替换图像的颜色以将用于图像的颜色的数量限制为等于或小于16的预定数量的第一处理电路，执行包括用于改善的算术处理的图像处理的第二处理电路 构成对应于图像数据的在显示装置上显示的图像的多个像素的亮度; 以及切换单元，其使得所述第二处理电路执行图像处理，并且使得所述第一处理电路在执行所述图像处理时执行图像处理，同时比所述第二处理电路节省更多的电力。
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公开(公告)号：US09262970B2
公开(公告)日：2016-02-16
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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