Patents by Inventor Byoung-haw Park
Byoung-haw Park 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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Publication number: 20230389377Abstract: A display device includes a base layer including a first surface and a second surface, a first line disposed on the first surface of the base layer, a second line corresponding to the first line and disposed on the second surface of the base layer, and a connection film electrically contacting at least a portion of the second line and electrically connected to a printed circuit board and a driving circuit. The driving circuit is disposed between the printed circuit board and the connection film.Type: ApplicationFiled: February 2, 2023Publication date: November 30, 2023Applicant: Samsung Display Co., LTD.Inventors: Jae Ill KIM, Ji Hyun KIM, Byoung Haw PARK, Dae Hwan JANG, Eui Myeong CHO
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Publication number: 20230297139Abstract: A display device includes a display panel including first edges extending in a first direction and facing each other and second edges extending in a second direction and facing each other, the second direction intersecting the first direction, a printed circuit board connected to the display panel and including a connector, a rotating shaft which extends in the first direction and in which the printed circuit board is disposed and a hollow is defined, and a flexible cable including an end connected to the connector of the printed circuit board. The rotating shaft includes an overlapping portion which overlaps the display panel and a first protruding portion which protrudes further than one of the second edges of the display panel in the first direction. The display panel and the flexible cable are rolled or unrolled by being wound or unwound around an outer circumferential surface of the rotating shaft.Type: ApplicationFiled: November 16, 2022Publication date: September 21, 2023Inventors: Jin Gyu SIM, Byoung Jin JIN, Jae Ill KIM, Byoung Haw PARK
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Publication number: 20230284399Abstract: A display device according to one or more embodiments comprises a flexible display panel, a connection film at least partially overlapping the display panel, and electrically connected to the display panel, source boards at least partially overlapping the connection film, and electrically connected to the connection film, and a flexible printed circuit portion electrically connecting the source boards, and wound or folded on the source boards.Type: ApplicationFiled: January 17, 2023Publication date: September 7, 2023Inventors: Jae Ill KIM, Ji Hyun KIM, Byoung Haw PARK, Jong Jae LEE, Jun Pyo LEE
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Patent number: 9892701Abstract: A display apparatus including a display panel connected to a plurality of data lines, a data driver configured to generate a plurality of data voltages, and to apply the plurality of data voltages to the plurality of data lines, and a plurality of feedback lines disposed in a fan-out region between the display panel and the data driver, wherein the data driver is further configured to applies a first signal to each of the plurality of feedback lines, wherein delays by the fan-out region are obtained based on the first signal, the delays being associated with the plurality of data lines, and wherein the data driver is further configured to controls output times of the plurality of data voltages based on the delays.Type: GrantFiled: September 22, 2015Date of Patent: February 13, 2018Assignee: Samsung Display Co., Ltd.Inventors: Byoung-Haw Park, Yong-Su Lim, Ji-Youn Seo, Ye-Seul Lee
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Publication number: 20160118006Abstract: A display apparatus including a display panel connected to a plurality of data lines, a data driver configured to generate a plurality of data voltages, and to apply the plurality of data voltages to the plurality of data lines, and a plurality of feedback lines disposed in a fan-out region between the display panel and the data driver, wherein the data driver is further configured to applies a first signal to each of the plurality of feedback lines, wherein delays by the fan-out region are obtained based on the first signal, the delays being associated with the plurality of data lines, and wherein the data driver is further configured to controls output times of the plurality of data voltages based on the delays.Type: ApplicationFiled: September 22, 2015Publication date: April 28, 2016Inventors: Byoung-Haw PARK, Yong-Su LIM, Ji-Youn SEO, Ye-Seul LEE
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Patent number: 8823616Abstract: A liquid crystal display device includes; gate lines disposed on a display region, data lines disposed on the display region, wherein the data lines intersect with, and are insulated from, the gate lines, a gate driver which drives the gate lines, a plurality of data drivers which generate a data voltage from an input power source voltage and supply the data voltage to the data lines, and a power source voltage supplying unit which supplies different power source voltages to each of the data drivers according to a distance of each data driver from the gate driver.Type: GrantFiled: October 31, 2007Date of Patent: September 2, 2014Assignee: Samsung Display Co., Ltd.Inventors: Hyoung-wook Kim, Min-sung Choi, Seung-ho Baek, Sang-youn Kim, Byoung-haw Park, Ji-eun Jang, Cheal-gi Kim
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Patent number: 8471796Abstract: An apparatus for providing grayscale voltages and a display device using the same are provided. The display device includes a grayscale voltage provider that provides grayscale voltages using a first reference voltage and a second reference voltage in accordance with a selection signal. A data driver applies data voltages to data lines using the grayscale voltages and an image signal. A gate driver successively provides a gate-on voltage to the gate lines. A display panel displays an image for each frame using the data voltages and the gate-on voltage.Type: GrantFiled: April 24, 2009Date of Patent: June 25, 2013Assignee: Samsung Display Co., Ltd.Inventors: Kyu-Min Kwon, Ho-Sup Choi, Sang-Youn Kim, Byoung-Haw Park, Cheal-Gi Kim, Heung-Sik Tae
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Patent number: 8199085Abstract: A display apparatus and a driving method thereof, in which the display apparatus includes a temperature sensor detecting a temperature, a first memory, a timing controller that receives an (n?1)th image signal and an nth image signal of consecutive frames, corrects the nth image signal and outputs the nth image signal, wherein the timing controller generates a clock signal whose phase varies according to the detected temperature, writes the nth image signal in the first memory in synchronization with the clock signal, reads the (n?1)th image signal from the first memory, and compares the nth image signal and the (n?1)th image signal with each other to then correct the nth image signal based on the comparison result, a data driver that provides an image-data voltage corresponding to the corrected signal of the nth image signal, and a liquid crystal panel that displays an image corresponding to the image-data voltage.Type: GrantFiled: September 14, 2007Date of Patent: June 12, 2012Assignee: Samsung Electronics Co., LtdInventors: Sang-youn Kim, Cheal-gi Kim, Min-sung Choi, Seung-ho Baek, Hyoung-wook Kim, Byoung-haw Park, Ji-eun Jang
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Publication number: 20100123653Abstract: An apparatus for providing grayscale voltages and a display device using the same are provided. The display device includes a grayscale voltage provider that provides grayscale voltages using a first reference voltage and a second reference voltage in accordance with a selection signal. A data driver applies data voltages to data lines using the grayscale voltages and an image signal. A gate driver successively provides a gate-on voltage to the gate lines. A display panel displays an image for each frame using the data voltages and the gate-on voltage.Type: ApplicationFiled: April 24, 2009Publication date: May 20, 2010Inventors: Kyu-Min Kwon, Ho-Sup Choi, Sang-Youn Kim, Byoung-Haw Park, Cheal-Gi Kim, Heung-Sik Tae
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Publication number: 20100045710Abstract: A liquid crystal display includes a liquid crystal panel, a backlight unit, and a backlight control circuit. The liquid crystal panel displays an image. The backlight unit supplies light to the liquid crystal panel and includes a plurality of backlight blocks arranged in a matrix. The backlight control circuit controls the backlight unit. When the backlight control circuit turns on at least one of the backlight blocks, it turns off any remaining backlight blocks arranged in a same row of the backlight unit.Type: ApplicationFiled: August 21, 2009Publication date: February 25, 2010Inventors: Ho-Sup CHOI, Sang-Youn KIM, Byoung-Haw PARK, Kyu-Min KWON
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Publication number: 20080239184Abstract: A liquid crystal display device includes; gate lines disposed on a display region, data lines disposed on the display region, wherein the data lines intersect with, and are insulated from, the gate lines, a gate driver which drives the gate lines, a plurality of data drivers which generate a data voltage from an input power source voltage and supply the data voltage to the data lines, and a power source voltage supplying unit which supplies different power source voltages to each of the data drivers according to a distance of each data driver from the gate driver.Type: ApplicationFiled: October 31, 2007Publication date: October 2, 2008Applicant: SAMSUNG ELECTRONICS CO., LTD.Inventors: Hyoung-wook KIM, Cheal-gi KIM, Min-sung CHOI, Seung-ho BAEK, Sang-youn KIM, Byoung-haw PARK, Ji-eun JANG
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Publication number: 20080136767Abstract: A display apparatus and a driving method thereof, in which the display apparatus includes a temperature sensor detecting a temperature, a first memory, a timing controller that receives an (n?1)th image signal and an nth image signal of consecutive frames, corrects the nth image signal and outputs the nth image signal, wherein the timing controller generates a clock signal whose phase varies according to the detected temperature, writes the nth image signal in the first memory in synchronization with the clock signal, reads the (n?1)th image signal from the first memory, and compares the nth image signal and the (n?1)th image signal with each other to then correct the nth image signal based on the comparison result, a data driver that provides an image-data voltage corresponding to the corrected signal of the nth image signal, and a liquid crystal panel that displays an image corresponding to the image-data voltage.Type: ApplicationFiled: September 14, 2007Publication date: June 12, 2008Inventors: Sang-youn Kim, Cheal-gi Kim, Min-sung Choi, Seung-ho Baek, Hyoung-wook Kim, Byoung-haw Park, Ji-eun Jang
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Publication number: 20080094334Abstract: A data driving apparatus includes; an integrated circuit chip, a grayscale voltage generation unit disposed on the integrated circuit chip which receives grayscale generation signals from the outside and generates a plurality of reference grayscale voltages, and a driving unit disposed on the integrated circuit chip which receives the reference grayscale voltages, converts image signals from the outside into corresponding analog data voltages, and supplies the converted analog data voltages to data lines of a liquid crystal panel.Type: ApplicationFiled: October 23, 2007Publication date: April 24, 2008Applicant: SAMSUNG ELECTRONICS CO., LTD.Inventors: Seung-ho BAEK, Min-sung CHOI, Hyoung-wook KIM, Sang-youn KIM, Byoung-haw PARK