Patents by Inventor Byung-Hyun Kim
Byung-Hyun Kim has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
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Patent number: 9401126Abstract: A display driver includes a video data conversion unit, a data compression unit, a memory unit, and a data restoration unit. The video data conversion unit converts first video data that includes RGB data to second video data that includes pentile data. The data compression unit compresses at least a portion of the second video data. The memory unit stores at least the compressed second video data. The data restoration unit restores the compressed second video data.Type: GrantFiled: July 24, 2014Date of Patent: July 26, 2016Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Geun Young Jeong, Ji Yeon Yang, Byung Hyun Kim, Takeshi Kato
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Patent number: 9396557Abstract: An apparatus for encoding an image data includes a sub-pixel rendering unit configured to convert a first image data of a RGB type, supplied from an outside thereof, into a second image data of a RG-BG type by performing sub-pixel rendering on the first image data, a first differential pulse code modulation (DPCM) processing unit configured to generate a first differential data including a differential value between gray scale values corresponding to green sub-pixels in the second image data, and a second DPCM processing unit configured to generate a second differential data including a differential value between a gray scale value corresponding to a red or blue sub-pixel in the second image data and an average value of gray scale values corresponding to green sub-pixels adjacent to the red or blue sub-pixel.Type: GrantFiled: October 22, 2014Date of Patent: July 19, 2016Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Ji-Yeon Yang, Byung-Hyun Kim, Geun-Young Jeong
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Patent number: 9269329Abstract: A data processor for a display device that includes a plurality of pixels, each of which includes red, first green, blue, and second green sub-pixels, may include an input gamma processor for processing image data including red, green, and blue grayscale data into linearized image data by applying a gamma function to the image data, a first sub-pixel rendering unit for rendering the linearized image data according to layout of a plurality of sub-pixels included in the plurality of pixels using a 3×1 rendering filter to output linearized second sub-pixel data, and an output gamma processor for processing the linearized second sub-pixel data into non-linearized second sub-pixel data by applying an inverse gamma function to the linearized second sub-pixel data.Type: GrantFiled: June 24, 2013Date of Patent: February 23, 2016Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Geun-Young Jeong, Ji-Yeon Yang, Byung-Hyun Kim, Takeshi Kato, Myung-Ho Lee
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Patent number: 9262956Abstract: A data processing apparatus includes a diagonal detector, a first processor, and a second processor. The diagonal detector may determine whether a red-blue data set includes data for controlling a display device to display any diagonal line, the display device including subpixels arranged in first-type lines and second-type lines that are alternately disposed, the red-blue data set including 9 data values that correspond to 9 subpixels among the subpixels, the 9 subpixels forming a 3-by-3 array that includes a center subpixel, the 9 data values including a center data value that corresponds to the center subpixel. The first/second processor may process the center data value using a first/second coefficient to produce a first/second value that corresponds to the center subpixel if the center subpixel is in the first-type/second-type lines.Type: GrantFiled: January 22, 2014Date of Patent: February 16, 2016Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Geun-Young Jeong, Ji-Yeon Yang, Byung-Hyun Kim, Takeshi Kato, Myung-Ho Lee
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Patent number: 9183774Abstract: A display apparatus is disclosed. In one aspect the apparatus includes an encoder configured to encode a Nth first image data, where N is an integer of 2 or greater and a (N?1)th second image data at different rates. The display further includes a memory configured to store the encoded Nth first image data and the encoded (N?1)th second image data, a decoder configured to decode the encoded Nth first image data and the encoded (N?1)th second image data received from the memory and, an image processor configured to perform color processing on the decoded Nth first image data. It also includes an image converter configured to convert the Nth first image data received from the image processor into Nth second image data and an image quality enhancer configured to enhance image quality of the Nth second image data based on the decoded (N?1)th second image data.Type: GrantFiled: May 22, 2012Date of Patent: November 10, 2015Assignee: Samsung Display Co., Ltd.Inventors: Jong-Woong Park, Yong-Seok Choi, Byung-Hyun Kim, Geun-Young Jeong, Ju-Hyung Lee
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Publication number: 20150146978Abstract: A display driving apparatus and a driving method may improve the compression rate of data. The display driving apparatus may include: an encoder configured to compress data of a Pentile method, using any one of a plurality of encoding methods, and compress the data according to a pattern encoding method in addition to the any one of the plurality of encoding methods when the data corresponds to a specific pattern; a decoder configured to decompress the data compressed in the encoder according to a decoding method corresponding to the any one of the encoding methods; and a data driver configured to generate a data signal using the data decompressed in the decoder.Type: ApplicationFiled: November 25, 2014Publication date: May 28, 2015Inventors: Takeshi Kato, Ji-Yeon Yang, Geun-Young Jeong, Byung-Hyun Kim
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Publication number: 20150145878Abstract: An image data encoding device includes a data block generating unit configured to split image data into a plurality of data blocks, and a compressing unit configured to generate compressed data with respect to each of the plurality of data blocks, the compressed data including position information regarding positions of first pixels each having a gray scale value equal to a reference gray scale value, and difference values between the reference scale value and gray scale values of second pixels, which are different from the reference gray scale value.Type: ApplicationFiled: November 20, 2014Publication date: May 28, 2015Inventors: Byung-Hyun Kim, Geun-Young Jeong
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Publication number: 20150138218Abstract: A display driver includes a video data conversion unit, a data compression unit, a memory unit, and a data restoration unit. The video data conversion unit converts first video data that includes RGB data to second video data that includes pentile data. The data compression unit compresses at least a portion of the second video data. The memory unit stores at least the compressed second video data. The data restoration unit restores the compressed second video data.Type: ApplicationFiled: July 24, 2014Publication date: May 21, 2015Inventors: Geun Young JEONG, Ji Yeon YANG, Byung Hyun KIM, Takeshi KATO
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Publication number: 20150125086Abstract: An apparatus for encoding an image data includes a sub-pixel rendering unit and a first differential pulse code modulation (DPCM) processing unit. The sub-pixel rendering unit converts first image data of an RGB type to second image data of an RG-BG type. The DPCM processing unit generates first differential data including primary differential values corresponding to respective sub-pixels. To perform this operation, the DPCM processing unit calculates a gray value difference from a neighboring sub-pixel for each of the sub-pixels based on the second image data.Type: ApplicationFiled: October 30, 2014Publication date: May 7, 2015Inventors: Geun-Young JEONG, Byung-Hyun KIM, Ji-Yeon YANG
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Publication number: 20150117774Abstract: An apparatus for encoding an image data includes a sub-pixel rendering unit configured to convert a first image data of a RGB type, supplied from an outside thereof, into a second image data of a RG-BG type by performing sub-pixel rendering on the first image data, a first differential pulse code modulation (DPCM) processing unit configured to generate a first differential data including a differential value between gray scale values corresponding to green sub-pixels in the second image data, and a second DPCM processing unit configured to generate a second differential data including a differential value between a gray scale value corresponding to a red or blue sub-pixel in the second image data and an average value of gray scale values corresponding to green sub-pixels adjacent to the red or blue sub-pixel.Type: ApplicationFiled: October 22, 2014Publication date: April 30, 2015Inventors: Ji-Yeon YANG, Byung-Hyun KIM, Geun-Young JEONG
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Publication number: 20150015590Abstract: A data processing apparatus includes a diagonal detector, a first processor, and a second processor. The diagonal detector may determine whether a red-blue data set includes data for controlling a display device to display any diagonal line, the display device including subpixels arranged in first-type lines and second-type lines that are alternately disposed, the red-blue data set including 9 data values that correspond to 9 subpixels among the subpixels, the 9 subpixels forming a 3-by-3 array that includes a center subpixel, the 9 data values including a center data value that corresponds to the center subpixel. The first/second processor may process the center data value using a first/second coefficient to produce a first/second value that corresponds to the center subpixel if the center subpixel is in the first-type/second-type lines.Type: ApplicationFiled: January 22, 2014Publication date: January 15, 2015Applicant: Samsung Display Co., Ltd.Inventors: Geun-Young JEONG, Ji-Yeon YANG, Byung-Hyun KIM, Takeshi KATO, Myung-Ho LEE
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Patent number: 8861876Abstract: A pixel data compression device is provided. The device includes: a first judgment unit for comparing a number of bits of a value of first pixel data and a number of bits of a value of second pixel data with a number of reference bits; a format determination unit for determining a format of compressed data, the format corresponding to the number of bits of the value of the first pixel data and the number of bits of the value of the second pixel data; and a compression unit for generating the compressed data, which corresponds to the format of the compressed data, from the first pixel data and the second pixel data. The compressed data includes a flag region, a first data region, and a second data region.Type: GrantFiled: November 16, 2012Date of Patent: October 14, 2014Assignee: Samsung Display Co., Ltd.Inventors: Byung Hyun Kim, Jong Woong Park, Geun Young Jeong, Ji Yeon Yang, Ju Hyung Lee
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Patent number: 8853976Abstract: The present invention provides a vibration absorbing device. A vibration absorbing device according to an exemplary embodiment of the present invention includes a first magnetic force generation member fixed to an external portion that is separated from a vibration source and a second magnetic force generation member provided in one side of the vibration source. When vibration is generated by the vibration source, the direction and magnitude of a magnetic force of one of the first magnetic force generation member and the second magnetic force generation can be controlled such that the second magnetic force generation member can move in a direction for attenuating the vibration of the vibration source.Type: GrantFiled: September 27, 2012Date of Patent: October 7, 2014Assignee: Korea Institute of Machinery & MaterialsInventors: Yun Ho Shin, Seok Jun Moon, Young-Chul Huh, Byung Hyun Kim
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Publication number: 20140232735Abstract: A data processor for a display device that includes a plurality of pixels, each of which includes red, first green, blue, and second green sub-pixels, may include an input gamma processor for processing image data including red, green, and blue grayscale data into linearized image data by applying a gamma function to the image data, a first sub-pixel rendering unit for rendering the linearized image data according to layout of a plurality of sub-pixels included in the plurality of pixels using a 3×1 rendering filter to output linearized second sub-pixel data, and an output gamma processor for processing the linearized second sub-pixel data into non-linearized second sub-pixel data by applying an inverse gamma function to the linearized second sub-pixel data.Type: ApplicationFiled: June 24, 2013Publication date: August 21, 2014Inventors: Geun-Young JEONG, Ji-Yeon YANG, Byung-Hyun KIM, Takeshi KATO, Myung-Ho LEE
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Publication number: 20140180645Abstract: Disclosed is a virtual experimental apparatus and method for a nano device design. The virtual experimental apparatus for a nano device design includes a virtual work piece determining unit for determining a virtual experimental material for a nano device design, a virtual process experimental unit for applying at least one process to the virtual experimental material determined by the virtual work piece determining unit, and a virtual process analyzing unit for analyzing a result of each process applied to the virtual experimental material by the virtual process experimental unit. The virtual process analyzing unit further includes a multi-scale analyzing unit for analyzing the process result in at least one particle level.Type: ApplicationFiled: December 11, 2013Publication date: June 26, 2014Inventors: Kwang Ryeol LEE, Byung-Hyun KIM, Chansoo KIM, Gyu Bong KIM, Seungchul KIM, Minho LEE
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Publication number: 20140097760Abstract: A method of evaluating visibility of a plurality of sub-pixel structures in a panel having a plurality of red sub-pixels, green sub-pixels, and blue sub-pixels arranged in stripes, the method including establishing a target sub-pixel structure different from the stripe sub-pixel structure of the panel by combining the plurality of pixels, and evaluating a displayed image by using the target sub-pixel structure.Type: ApplicationFiled: February 1, 2013Publication date: April 10, 2014Inventors: Takeshi KATO, Geun-Young JEONG, Ji-Yeon YANG, Byung-Hyun KIM
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Patent number: 8693777Abstract: There are provided an apparatus and a method for estimating edge areas of pixels in a digital image to thereby prevent an edge sharpening algorithm from being applied to non-edge area of the digital image. Therefore, the apparatus can accurately determine whether each pixel is in an edge area or in a non-edge area, by generating a binary mask obtained by using a luminance difference average between each pixel and each of neighboring pixels in the digital image. Moreover, the determination of an edge-area or a non-edge area may be applied to various digital images, by adjusting a level of edge-area determination.Type: GrantFiled: April 21, 2011Date of Patent: April 8, 2014Assignees: Samsung Electro-Mechanics Co., Ltd., Dong-A University Research Foundation for Industry-Academy CooperationInventors: Joo Young Ha, Won Tae Choi, Byung Hyun Kim, Bong Soon Kang, Won Woo Jang, Kyung Rin Kim, Jung Joo Yang, Gi Dong Lee, Kang Joo Kim
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Publication number: 20130343660Abstract: A pixel data compression device is provided. The device includes: a first judgment unit for comparing a number of bits of a value of first pixel data and a number of bits of a value of second pixel data with a number of reference bits; a format determination unit for determining a format of compressed data, the format corresponding to the number of bits of the value of the first pixel data and the number of bits of the value of the second pixel data; and a compression unit for generating the compressed data, which corresponds to the format of the compressed data, from the first pixel data and the second pixel data. The compressed data includes a flag region, a first data region, and a second data region.Type: ApplicationFiled: November 16, 2012Publication date: December 26, 2013Applicant: SAMSUNG DISPLAY CO., LTD.Inventors: Byung Hyun Kim, Jong Woong Park, Geun Young Jeong, Ji Yeon Yang, Ju Hyung Lee
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Patent number: 8606034Abstract: There is provided an apparatus for improving the sharpness of an image, which may prevent occurrence of distortion of an image in an edge enhancement process of the image by applying an active weight in accordance with a two-dimensional (2D) high pass filtering value of the image. The apparatus may include: a 2D high pass filter outputting a high frequency element value for the luminance values of pixels of an input image; a weight generating unit generating a weight changed depending on a magnitude of the high frequency element value; a weight applying unit applying the weight to the high frequency element value; and an edge enhancement image generating unit adding, to the luminance values of the pixels of the input image, the high frequency element value to which the weight is applied to thereby output an image of which an edge is enhanced.Type: GrantFiled: April 22, 2011Date of Patent: December 10, 2013Assignees: Samsung Electro-Mechanics Co., Ltd., Dong-A University Research Foundation for Industry-Academy CooperationInventors: Joo Young Ha, Won Tae Choi, Bong Soon Kang, Byung Hyun Kim, Joo Hyun Kim, Sun Mi Sin, Won Woo Jang, Hak Yong Han, Gi Dong Lee
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Publication number: 20130320887Abstract: The present invention provides a vibration absorbing device. A vibration absorbing device according to an exemplary embodiment of the present invention includes a first magnetic force generation member fixed to an external portion that is separated from a vibration source and a second magnetic force generation member provided in one side of the vibration source. When vibration is generated by the vibration source, the direction and magnitude of a magnetic force of one of the first magnetic force generation member and the second magnetic force generation can be controlled such that the second magnetic force generation member can move in a direction for attenuating the vibration of the vibration source.Type: ApplicationFiled: September 27, 2012Publication date: December 5, 2013Applicant: KOREA INSTITUTE OF MACHINERY & MATERIALSInventors: Yun Ho SHIN, Seok Jun Moon, Young-Chul Huh, Byung Hyun Kim