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公开(公告)号：US11657755B1
公开(公告)日：2023-05-23
申请号：US17741485
申请日：2022-05-11
发明人： Feng-Ting Pai
IPC分类号： G09G3/32
CPC分类号： G09G3/32 , G09G2300/0809 , G09G2310/08 , G09G2320/0233 , G09G2320/0242 , G09G2320/0673 , G09G2330/021 , G09G2340/16 , G09G2360/10
摘要： A display driving circuit configured to drive a display panel to display a video is provided. The display driving circuit includes a compensating circuit and a gamma voltage generating circuit. The compensating circuit is configured to receive a voltage compensating map of each frame of the video and a pixel line address. The compensating circuit determines a voltage compensating value of each pixel line according to the voltage compensating map of each frame and the pixel line address. The compensating circuit generates a compensated gamma curve of each pixel line. The gamma voltage generating circuit is coupled to the compensating circuit. The gamma voltage generating circuit is configured to generate a gamma voltage of each pixel line according to the compensated gamma curve.
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2.发明授权公开(公告)号：US11315486B1
公开(公告)日：2022-04-26
申请号：US17121771
申请日：2020-12-15
发明人： Shang-Yu Su , Xuan-Yong Lin , Feng-Ting Pai
IPC分类号： G09G3/3208
摘要： An image processing circuit is configured to generate a first offset value according to second offset values in at least one look-up table corresponding to a starting voltage range of at least one illumination element in a display device. The image processing circuit is further configured to generate output image data according to an ending gray level value and the first offset value. The output image data is for overdriving the at least one illumination element. The second offset values correspond to a starting gray level value of a first frame and the ending gray level value of a second frame.
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公开(公告)号：US10373540B2
公开(公告)日：2019-08-06
申请号：US14623483
申请日：2015-02-16
发明人： Kai-Min Yang , Hsueh-Yen Yang , Feng-Ting Pai
摘要： A display panel including a plurality of sub-pixel groups is provided. The sub-pixel groups are arranged repeatedly to form a pixel array, and each of the sub-pixel groups is written by a plurality of pixel data. The sub-pixel group includes a plurality of main type pixel units and a plurality of sub type pixel units. Each of the main type pixel units is written by one pixel data among the plurality of pixel data, and each of the sub type pixel units is written by at least one pixel data among the plurality of pixel data. The main type pixel units are arranged to form a geometry form and the main type pixel units surround a single sub type pixel unit among the sub type pixel units.
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公开(公告)号：US20160260369A1
公开(公告)日：2016-09-08
申请号：US14708289
申请日：2015-05-10
发明人： Hsueh-Yen Yang , Kai-Min Yang , Feng-Ting Pai
CPC分类号： G09G3/20 , G09G2300/0452 , G09G2340/0407 , G09G2340/0457
摘要： A display apparatus including a display panel and a display driver is provided. The display panel includes a sub-pixel repeat array. The sub-pixel repeat array is repeatedly arranged to form a pixel array on the display panel. The pixel array includes at least one map display unit. The display driver is coupled to the display panel. The display driver drives the display panel to display an image by using a sub-pixel rendering method. The image includes at least one specified intensity map. The map display unit includes a center sub-pixel unit and a plurality of neighboring sub-pixel units. The specified intensity map includes one or more white pixel points. In the map display unit, luminance summations of sub-pixels of different colors are equal. Furthermore, a display driving method is also provided.
摘要翻译： 提供一种包括显示面板和显示驱动器的显示装置。 显示面板包括子像素重复阵列。 子像素重复阵列被重复布置以在显示面板上形成像素阵列。 像素阵列包括至少一个地图显示单元。 显示驱动器耦合到显示面板。 显示驱动器通过使用子像素渲染方法驱动显示面板显示图像。 该图像包括至少一个指定的强度图。 地图显示单元包括中心子像素单元和多个相邻子像素单元。 指定强度图包括一个或多个白色像素点。 在地图显示单元中，不同颜色的子像素的亮度相加是相等的。 此外，还提供了显示驱动方法。
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公开(公告)号：US20160189669A1
公开(公告)日：2016-06-30
申请号：US14672245
申请日：2015-03-30
发明人： Hsueh-Yen Yang , Kai-Min Yang , Feng-Ting Pai
CPC分类号： G09G3/2003 , G02F1/133514 , G02F2201/52 , G09G3/3607 , G09G2300/0452
摘要： A display panel including a plurality of sub-pixel repeating units is provided. The sub-pixel repeating units are repeatedly arranged on the display panel. Each of the sub-pixel repeating units includes at least one first color sub-pixel and at least one second color sub-pixel. On the display panel, the adjacent first color sub-pixels form a first polygon, and the adjacent second color sub-pixels form a second polygon. The area of the first polygon is at least twice the area of the second polygon.
摘要翻译： 提供了包括多个子像素重复单元的显示面板。 子像素重复单元重复地布置在显示面板上。 每个子像素重复单元包括至少一个第一颜色子像素和至少一个第二颜色子像素。 在显示面板上，相邻的第一颜色子像素形成第一多边形，并且相邻的第二颜色子像素形成第二多边形。 第一多边形的面积至少是第二个多边形的面积的两倍。
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6.发明授权公开(公告)号：US09349346B2
公开(公告)日：2016-05-24
申请号：US14287060
申请日：2014-05-26
发明人： Chih-Yuan Yang , Yu-Hsing Chuang , Feng-Ting Pai
CPC分类号： G09G5/06 , G09G5/10 , G09G2320/0242 , G09G2320/0666 , G09G2360/144 , H04N1/60 , H04N1/6077
摘要： A color temperature compensation apparatus includes a compensation table and a controller. The compensation table records a relationship between a plurality of compensation values and each of a plurality of gray-levels, wherein the relationship is established based on a plurality of color temperature compensation curves. The controller is coupled to the compensation table, and generates a plurality of compensation values by referring to the compensation table according to a gray-level of each of a plurality of image data and a reference color temperature. The controller further calculates each of a plurality of compensated image data according to the compensation values, wherein the color temperature compensation curves respectively correspond to a plurality of color temperatures.
摘要翻译： 色温补偿装置包括补偿表和控制器。 补偿表记录多个补偿值与多个灰度级中的每一个之间的关系，其中，基于多个色温补偿曲线建立该关系。 控制器耦合到补偿表，并且通过根据多个图像数据和参考色温中的每一个的灰度级参考补偿表来生成多个补偿值。 控制器还根据补偿值来计算多个补偿图像数据中的每一个，其中色温补偿曲线分别对应于多个色温。
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公开(公告)号：US20230300284A1
公开(公告)日：2023-09-21
申请号：US18113059
申请日：2023-02-23
发明人： Wei-Jhe Ma , Feng-Ting Pai , Jun-Yu Yang , Hsin-Yu Pan
IPC分类号： H04N5/202 , H04N9/69 , G06V10/74 , G09G3/3208
CPC分类号： H04N5/202 , H04N9/69 , G06V10/761 , G09G3/3208 , G09G2320/0276 , G09G2320/0673
摘要： An image compensation circuit for controlling a luminance of a display panel is configured to: receive a plurality of image data; perform gamma tuning to convert the plurality of image data into a plurality of original gamma codes according to a plurality of first compensation values corresponding to a first operation mode; calculate a plurality of gamma difference values between the plurality of first compensation values and a plurality of second compensation values corresponding to a second operation mode; and calculate a plurality of output gamma codes corresponding to the second operation mode according to the plurality of original gamma codes by using the plurality of gamma difference values.
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8.发明授权公开(公告)号：US11749163B1
公开(公告)日：2023-09-05
申请号：US17705419
申请日：2022-03-28
发明人： Wan-Nung Tsung , Jun-Yu Yang , Shang-Yu Su , Feng-Ting Pai
IPC分类号： G09G3/20
CPC分类号： G09G3/2003 , G09G2320/0242 , G09G2320/0693
摘要： The invention provides a color calibration device, a color calibration method and a calibration table generation method. The color calibration device includes a calibration table circuit, a ratio circuit and an image processing circuit. The calibration table circuit provides a selected calibration table including a plurality of zone calibration parameters. Each of the zone calibration parameters corresponds to a corresponding zone among a plurality of zones of a display panel. The ratio circuit calculates a subpixel calibration parameter corresponding to a current subpixel according to at least one of the zone calibration parameters in the selected calibration table. The image processing circuit calibrates original subpixel data of the current subpixel according to the subpixel calibration parameter to generate calibrated subpixel data of the current subpixel.
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公开(公告)号：US20220309993A1
公开(公告)日：2022-09-29
申请号：US17701675
申请日：2022-03-23
发明人： Wei-Jhe Ma , Feng-Ting Pai , Hui-Hung Chang
IPC分类号： G09G3/20
摘要： A display driver integrated circuit and a display driving method are provided. The display driver integrated circuit is suitable for driving a display panel of an electronic device. The display driver integrated circuit includes an image processing circuit, a timing controller, and a data driving circuit. The image processing circuit is configured to generate an output image based on time information, a background image, and an original time indication image. The timing controller is coupled to the image processing circuit, and configured to receive the output image. The data driving circuit is coupled to the timing controller, and configured to receive the output image and generate data voltages according to the output image. The data driving circuit drives the display panel according to the data voltages regarding to the output image.
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公开(公告)号：USRE48209E1
公开(公告)日：2020-09-15
申请号：US14470946
申请日：2014-08-28
发明人： Feng-Ting Pai
摘要： A display apparatus and a method for driving a display panel thereof are provided. Each column of data line in the display panel has two sub-data lines. The driving method is described as follows. An input image signal is divided into a plurality of image segments, and each of the image segments has display data of pixels coupled to two adjacent scan lines. Every K image segments are defined as a group. An image signal is formed by inserting a reset data in each group of image segments. Display data of a first group are written in K batches according to a first start wave. After a predetermined time from the first start wave, the scan lines corresponding to the first group are driven at the same time according to a second start wave, and the reset data is output to the first sub-data lines and the second sub-data lines.
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