Patents by Inventor Ja Kyoung JIN
Ja Kyoung JIN 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: 20240054948Abstract: A display device includes: a display panel including pixels having light-emitting elements; a timing control unit for variably changing the driving frame frequency of the display panel according to the input frame frequency of digital video data; and a data driving unit for outputting data voltages according to the digital video data, wherein the display panel operates at a first frame frequency for a first frame period and operates at a second frame frequency, which is lower than the first frame frequency, for a second frame period, the second frame period includes a data addressing period in which a data voltage corresponding to each of the pixels is applied to the pixels, and a blank period in which no data voltage is applied to each of the pixels, and the blank period includes a period of initializing a first electrode of a light-emitting element into an initialization voltage.Type: ApplicationFiled: August 23, 2021Publication date: February 15, 2024Inventors: Ji Hye KIM, Joon Chul GOH, Yu Chol KIM, Jin Wook YANG, Ja Kyoung JIN
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Patent number: 11710441Abstract: A display device includes a display area including a plurality of pixels and a plurality of scan lines connected to the plurality of pixels, and a driving circuit portion that generates a compensation data voltage to compensate for a difference in length between the plurality of scan lines to input the compensation data voltage to a pixel disposed in a first area, based on start scan line information indicating a start of the first area including scan lines of the plurality of scan lines, and end scan line information indicating an end of the first area.Type: GrantFiled: May 24, 2019Date of Patent: July 25, 2023Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Ja Kyoung Jin, Tae Jin Kim
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Patent number: 11694630Abstract: A display device includes a display panel including a pixel coupled to first to fourth scan lines, an emission control line, and a data line, a scan driver which supplies a first scan signal to the first scan line, a second scan signal to the second scan line, a third scan signal to the third scan line, and a fourth scan signal to the fourth scan line, an emission driver which supplies an emission control signal to the emission control line, a data driver which supplies a data signal to the data line, and a timing controller which controls the scan driver, the emission driver, and the data driver. Each of the second and third scan signals has a gate-on level during a partial period of one frame, and is maintained at a gate-off level during a remaining period of the one frame, other than the partial period.Type: GrantFiled: July 7, 2022Date of Patent: July 4, 2023Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Ja Kyoung Jin, Yu Chol Kim, Ji Hye Kim, Seong Oh Yeom
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Publication number: 20230088642Abstract: A display device includes a display panel including a pixel coupled to first to fourth scan lines, an emission control line, and a data line, a scan driver which supplies a first scan signal to the first scan line, a second scan signal to the second scan line, a third scan signal to the third scan line, and a fourth scan signal to the fourth scan line, an emission driver which supplies an emission control signal to the emission control line, a data driver which supplies a data signal to the data line, and a timing controller which controls the scan driver, the emission driver, and the data driver. Each of the second and third scan signals has a gate-on level during a partial period of one frame, and is maintained at a gate-off level during a remaining period of the one frame, other than the partial period.Type: ApplicationFiled: July 7, 2022Publication date: March 23, 2023Inventors: Ja Kyoung JIN, Yu Chol KIM, Ji Hye KIM, Seong Oh YEOM
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Publication number: 20220139333Abstract: A display device includes: a pixel connected to a first scan line, a second scan line, and a data line, and including a light emitting element and a storage capacitor; and a timing controller configured to drive the pixel in a normal mode in which a driving frequency is maintained constant or a frequency variable mode according to a variable frequency signal supplied from outside, wherein in the normal mode, a first electrode voltage of the light emitting element is initialized in response to a data voltage being supplied to the storage capacitor, and wherein in the frequency variable mode, the first electrode voltage of the light emitting element is not initialized in response to the data voltage being supplied to the storage capacitor.Type: ApplicationFiled: July 1, 2021Publication date: May 5, 2022Inventors: Ja Kyoung JIN, Yu Chol KIM, Ji Hye KIM, Jin Wook YANG, Seong Oh YEOM
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Patent number: 11132928Abstract: A horizontal line driver providing a scan signal to scan lines, and including: first scan signal output blocks providing the scan signal to scan lines in a first side display area, wherein each of the first scan signal output blocks include a first output buffer; second scan signal output blocks providing the scan signal to scan lines in a first front display area including curved edges, wherein each of the second scan signal output blocks include a second output buffer; and third scan signal output blocks providing the scan signal to scan lines in a second front display area. Each of the third scan signal output blocks include a third output buffer. The width of the first front display area is larger than a width of the first side display area but is smaller than a width of the second front display area, and the width gradually increases.Type: GrantFiled: June 11, 2019Date of Patent: September 28, 2021Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Ja-Kyoung Jin, Tae-Jin Kim
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Publication number: 20210248950Abstract: A display device includes a display area including a plurality of pixels and a plurality of scan lines connected to the plurality of pixels, and a driving circuit portion that generates a compensation data voltage to compensate for a difference in length between the plurality of scan lines to input the compensation data voltage to a pixel disposed in a first area, based on start scan line information indicating a start of the first area including scan lines of the plurality of scan lines, and end scan line information indicating an end of the first area.Type: ApplicationFiled: May 24, 2019Publication date: August 12, 2021Inventors: Ja Kyoung JIN, Tae Jin KIM
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Publication number: 20210134206Abstract: A horizontal line driver providing a scan signal to scan lines, and including: first scan signal output blocks providing the scan signal to scan lines in a first side display area, wherein each of the first scan signal output blocks include a first output buffer; second scan signal output blocks providing the scan signal to scan lines in a first front display area including curved edges, wherein each of the second scan signal output blocks include a second output buffer; and third scan signal output blocks providing the scan signal to scan lines in a second front display area. Each of the third scan signal output blocks include a third output buffer. The width of the first front display area is larger than a width of the first side display area but is smaller than a width of the second front display area, and the width gradually increases.Type: ApplicationFiled: June 11, 2019Publication date: May 6, 2021Inventors: Ja-Kyoung JIN, Tae-Jin KIM
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Patent number: 10802299Abstract: A display device includes: a display unit including scan lines, data lines, unit areas corresponding to intersections of the scan lines and the data lines, the unit areas including first unit areas in an effective display area, second unit areas in a dummy area around the effective display area, some of the second unit areas being smaller than the first unit areas, and pixels in the first unit areas; a timing controller configured to receive first data including image data corresponding to the first and second unit areas and to convert the first data into second data corresponding to the effective display area; and a data driver configured to generate a data signal corresponding to the second data. The display unit includes a first horizontal line having fewer pixels than the number of the data lines.Type: GrantFiled: August 19, 2019Date of Patent: October 13, 2020Assignee: Samsung Display Co., Ltd.Inventors: Hong Soo Kim, Jun Heyung Jung, Ja Kyoung Jin
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Patent number: 10732438Abstract: A display device includes: a display unit including scan lines, data lines, unit areas corresponding to intersections of the scan lines and the data lines, the unit areas including first unit areas in an effective display area, second unit areas in a dummy area around the effective display area, some of the second unit areas being smaller than the first unit areas, and pixels in the first unit areas; a timing controller configured to receive first data including image data corresponding to the first and second unit areas and to convert the first data into second data corresponding to the effective display area; and a data driver configured to generate a data signal corresponding to the second data. The display unit includes a first horizontal line having fewer pixels than the number of the data lines.Type: GrantFiled: August 19, 2019Date of Patent: August 4, 2020Assignee: Samsung Display Co., Ltd.Inventors: Hong Soo Kim, Jun Heyung Jung, Ja Kyoung Jin
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Patent number: 10600368Abstract: An organic light-emitting display device including a substrate on which a display area is provided, the display area including a central display area including a first pixel unit, a first edge display area extending from the central display area along a first direction, and a second edge display area including a second pixel unit and extending from the central display area along a second direction that intersects the first direction, and a first signal wiring unit overlapping with the first and second edge display areas, the first signal wiring unit being configured to provide a first scan signal having a first turn-on period to the first pixel unit and to provide a second scan signal having a second turn-on period to the second pixel unit, wherein the first edge display area is bent along a first bending line, which extends along the first direction.Type: GrantFiled: September 17, 2018Date of Patent: March 24, 2020Assignee: Samsung Display Co., Ltd.Inventors: Tae Jin Kim, Ja Kyoung Jin
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Publication number: 20190369419Abstract: A display device includes: a display unit including scan lines, data lines, unit areas corresponding to intersections of the scan lines and the data lines, the unit areas including first unit areas in an effective display area, second unit areas in a dummy area around the effective display area, some of the second unit areas being smaller than the first unit areas, and pixels in the first unit areas; a timing controller configured to receive first data including image data corresponding to the first and second unit areas and to convert the first data into second data corresponding to the effective display area; and a data driver configured to generate a data signal corresponding to the second data. The display unit includes a first horizontal line having fewer pixels than the number of the data lines.Type: ApplicationFiled: August 19, 2019Publication date: December 5, 2019Inventors: Hong Soo KIM, Jun Heyung JUNG, Ja Kyoung JIN
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Patent number: 10386658Abstract: A display device includes: a display unit including scan lines, data lines, unit areas corresponding to intersections of the scan lines and the data lines, the unit areas including first unit areas in an effective display area, second unit areas in a dummy area around the effective display area, some of the second unit areas being smaller than the first unit areas, and pixels in the first unit areas; a timing controller configured to receive first data including image data corresponding to the first and second unit areas and to convert the first data into second data corresponding to the effective display area; and a data driver configured to generate a data signal corresponding to the second data. The display unit includes a first horizontal line having fewer pixels than the number of the data lines.Type: GrantFiled: October 2, 2018Date of Patent: August 20, 2019Assignee: Samsung Display Co., Ltd.Inventors: Hong Soo Kim, Jun Heyung Jung, Ja Kyoung Jin
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Publication number: 20190108793Abstract: An organic light-emitting display device including a substrate on which a display area is provided, the display area including a central display area including a first pixel unit, a first edge display area extending from the central display area along a first direction, and a second edge display area including a second pixel unit and extending from the central display area along a second direction that intersects the first direction, and a first signal wiring unit overlapping with the first and second edge display areas, the first signal wiring unit being configured to provide a first scan signal having a first turn-on period to the first pixel unit and to provide a second scan signal having a second turn-on period to the second pixel unit, wherein the first edge display area is bent along a first bending line, which extends along the first direction.Type: ApplicationFiled: September 17, 2018Publication date: April 11, 2019Inventors: Tae Jin Kim, Ja Kyoung Jin
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Publication number: 20190033626Abstract: A display device includes: a display unit including scan lines, data lines, unit areas corresponding to intersections of the scan lines and the data lines, the unit areas including first unit areas in an effective display area, second unit areas in a dummy area around the effective display area, some of the second unit areas being smaller than the first unit areas, and pixels in the first unit areas; a timing controller configured to receive first data including image data corresponding to the first and second unit areas and to convert the first data into second data corresponding to the effective display area; and a data driver configured to generate a data signal corresponding to the second data. The display unit includes a first horizontal line having fewer pixels than the number of the data lines.Type: ApplicationFiled: October 2, 2018Publication date: January 31, 2019Inventors: Hong Soo Kim, Jun Heyung Jung, Ja Kyoung Jin
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Patent number: 10114236Abstract: A display device includes: a display unit including scan lines, data lines, unit areas corresponding to intersections of the scan lines and the data lines, the unit areas including first unit areas in an effective display area, second unit areas in a dummy area around the effective display area, some of the second unit areas being smaller than the first unit areas, and pixels in the first unit areas; a timing controller configured to receive first data including image data corresponding to the first and second unit areas and to convert the first data into second data corresponding to the effective display area; and a data driver configured to generate a data signal corresponding to the second data. The display unit includes a first horizontal line having fewer pixels than the number of the data lines.Type: GrantFiled: June 29, 2017Date of Patent: October 30, 2018Assignee: Samsung Display Co., Ltd.Inventors: Hong Soo Kim, Jun Heyung Jung, Ja Kyoung Jin
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Patent number: 10068537Abstract: An image processor, a display device including the same, and a method for driving display panel using the same are disclosed. In one aspect, the display device includes an image shifter configured to shift a data signal by at least one pixel based at least in part on a shift start signal and output the shifted data signal and a shift direction signal. The display device also includes an image buffer configured to output current data and previous data based at least in part on the shifted data signal and the shift direction signal. The display device also includes an image mixer configured to mix the current data and the previous data over M frames starting at a start frame when the shift start signal is received and output image data, M being a natural number.Type: GrantFiled: December 22, 2014Date of Patent: September 4, 2018Assignee: Samsung Display Co., Ltd.Inventors: Dong-Gyu Lee, Joon-Chul Goh, Jung-Won Kim, Nam-Gon Choi, Ja-Kyoung Jin
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Patent number: 9984623Abstract: An organic light emitting display device includes a display panel including and a plurality of pixels, a gate driver configured to a normal gate signal and an alternative gate signal to the pixels, a data driver configured to provide a data signal to the pixels, an emission control driver configured to an emission control signal to the pixels, and a controller configured to control the gate driver, the data driver, and the emission control driver. Each of the pixels is driven by the normal gate signal in a first driving mode and is driven by the alternative gate signal in a second driving mode. A threshold voltage of a first transistor is compensated in the first driving mode and the threshold voltage of the first transistor is not compensated in the second driving mode.Type: GrantFiled: May 9, 2016Date of Patent: May 29, 2018Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Tae-Hyeong An, Ja-Kyoung Jin
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Publication number: 20180045983Abstract: A display device includes: a display unit including scan lines, data lines, unit areas corresponding to intersections of the scan lines and the data lines, the unit areas including first unit areas in an effective display area, second unit areas in a dummy area around the effective display area, some of the second unit areas being smaller than the first unit areas, and pixels in the first unit areas; a timing controller configured to receive first data including image data corresponding to the first and second unit areas and to convert the first data into second data corresponding to the effective display area; and a data driver configured to generate a data signal corresponding to the second data. The display unit includes a first horizontal line having fewer pixels than the number of the data lines.Type: ApplicationFiled: June 29, 2017Publication date: February 15, 2018Inventors: Hong Soo KIM, Jun Heyung JUNG, Ja Kyoung JIN
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Patent number: 9837039Abstract: A method of driving a display panel is provided. The method includes generating first compensated and second compensated data based on input image data, outputting the first compensated data to a data driver during a first frame, outputting the first smoothing data to the data driver during a second frame subsequent to the first frame, and outputting the second compensated data to the data driver during an n-th frame subsequent to the second frame (where n is a natural number greater than two). The first smoothing data has a value between a value of the first compensated data and a value of the second compensated data.Type: GrantFiled: July 21, 2015Date of Patent: December 5, 2017Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Dong-Hoon Lee, Jung-Won Kim, Cheol-Woo Park, Dong-Gyu Lee, Jae-Hyung Cho, Ja-Kyoung Jin