Patents by Inventor Jun-Heyung Jung
Jun-Heyung Jung 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: 11538421Abstract: A display device includes display device includes: a display panel including a plurality of pixels; a data driver configured to generate data voltages based on output image data, and to provide the data voltages to the plurality of pixels; and a controller configured to receive input image data and input frequency information from a host processor, and to provide the output image data to the data driver, wherein the controller includes an adaptive refresh block configured to: determine a target frequency by analyzing the input image data; determine a masking ratio based on an input frequency represented by the input frequency information and the target frequency; and selectively output the input image data as the output image data by performing a masking operation on the input image data with the masking ratio.Type: GrantFiled: March 19, 2020Date of Patent: December 27, 2022Assignee: Samsung Display Co., Ltd.Inventors: Hongsoo Kim, Sehyuk Park, Hyo Jin Lee, Sangan Kwon, Jinyoung Roh, Sukhun Lee, Jun Heyung Jung
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Patent number: 11521531Abstract: A display device includes a display panel including a plurality of pixels, and a panel driver including N registers, where N is an integer greater than 1. The panel driver is configured to divide the display panel into N first detection regions, to perform a first still image detection operation on each of the N first detection regions by using the N registers, to divide the display panel into N second detection regions different from the N first detection regions by using a result of the first still image detection operation, and to perform a second still image detection operation on each of the N second detection regions by using the N registers.Type: GrantFiled: November 17, 2020Date of Patent: December 6, 2022Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Hong Soo Kim, Jin Young Roh, Se Hyuk Park, Hyo Jin Lee, Jae Keun Lim, Jun Heyung Jung
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Patent number: 11501678Abstract: A display panel includes a display panel displaying an image including a moving image and a static image; a controller generating first image data to the first area in a first arrangement type, and generating second image data to the second area in a second arrangement type; a scan driver sequentially supplying scan signals to all of pixel rows of the first area during a first period of a first frame and sequentially supplying scan signals to a part of pixel rows of the second area exclusively during a second period of the first frame; and a data driver supplying data signals corresponding to the first image data to data lines during the first period, and supplying data signals corresponding to the second image data to the data lines during the second period.Type: GrantFiled: October 6, 2021Date of Patent: November 15, 2022Inventors: Ji Youn Kim, Hong Soo Kim, Se Hyuk Park, Jun Heyung Jung, Man Seung Cho
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Publication number: 20220319371Abstract: A display panel includes a display panel displaying an image including a moving image and a static image; a controller generating first image data to the first area in a first arrangement type, and generating second image data to the second area in a second arrangement type; a scan driver sequentially supplying scan signals to all of pixel rows of the first area during a first period of a first frame and sequentially supplying scan signals to a part of pixel rows of the second area exclusively during a second period of the first frame; and a data driver supplying data signals corresponding to the first image data to data lines during the first period, and supplying data signals corresponding to the second image data to the data lines during the second period.Type: ApplicationFiled: October 6, 2021Publication date: October 6, 2022Inventors: Ji Youn KIM, Hong Soo KIM, Se Hyuk PARK, Jun Heyung JUNG, Man Seung CHO
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Patent number: 11183107Abstract: A display device including: a first pixel region including first pixels connected to a data line and first scan lines; a second pixel region in contact with the first pixel region at a first boundary and including second pixels connected to the data line and second scan lines; and a third pixel region in contact with the second pixel region at a second boundary and including third pixels connected to the data line and third scan lines, wherein the display device is configured to scale an image displayed in the second pixel region one or more times based on the second pixel region maintaining a folded state.Type: GrantFiled: July 1, 2020Date of Patent: November 23, 2021Assignee: Samsung Display Co., Ltd.Inventors: Byung Ki Chun, Seung Jae Lee, Hae Kwan Seo, Chang Noh Yoon, Soon Dong Kim, Ji Hye Kim, Jun Gyu Lee, Jun Heyung Jung, Young Wook Yoo, Kuk Hwan Ahn, Hyun Jun Lim
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Publication number: 20210327323Abstract: A display device includes a display panel including a plurality of pixels, and a panel driver including N registers, where N is an integer greater than 1. The panel driver is configured to divide the display panel into N first detection regions, to perform a first still image detection operation on each of the N first detection regions by using the N registers, to divide the display panel into N second detection regions different from the N first detection regions by using a result of the first still image detection operation, and to perform a second still image detection operation on each of the N second detection regions by using the N registers.Type: ApplicationFiled: November 17, 2020Publication date: October 21, 2021Inventors: HONG SOO KIM, JIN YOUNG ROH, SE HYUK PARK, HYO JIN LEE, JAE KEUN LIM, JUN HEYUNG JUNG
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Patent number: 11062656Abstract: A display apparatus includes: a display panel comprising a gate line, a data line and a plurality of display areas; a gate driver configured to output a gate signal to the gate line; a data driver configured to output a data voltage to the data line; a time sensor configured to sense an operation time of the display panel; and a voltage controller configured to adjust a back gate voltage according to the operation time sensed by the time sensor and the display areas.Type: GrantFiled: July 17, 2020Date of Patent: July 13, 2021Assignee: Samsung Display Co., Ltd.Inventors: Seungjae Lee, Soon-Dong Kim, Changnoh Yoon, Jun Heyung Jung
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Publication number: 20210035488Abstract: A display device includes: a pixel unit including a plurality of pixels connected to a plurality of scan lines and a plurality of data lines; a multi-frequency driver configured to compare image data between adjacent frames to determine a first area of the pixel unit driven at a first refresh rate and a second area of the pixel unit driven at a second refresh rate lower than the first refresh rate; a scan driver configured to sequentially supply scan signals to the scan lines in a first direction, to supply first scan signals of the scan signals to the first area at the first refresh rate, and to supply second scan signals of the scan signals to the second area at the second refresh rate; and a data driver configured to supply a data signal corresponding to the image data to the data lines.Type: ApplicationFiled: April 21, 2020Publication date: February 4, 2021Inventors: Hae Kwan SEO, Jun Heyung JUNG
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Publication number: 20210027713Abstract: A display apparatus includes: a display panel comprising a gate line, a data line and a plurality of display areas; a gate driver configured to output a gate signal to the gate line; a data driver configured to output a data voltage to the data line; a time sensor configured to sense an operation time of the display panel; and a voltage controller configured to adjust a back gate voltage according to the operation time sensed by the time sensor and the display areas.Type: ApplicationFiled: July 17, 2020Publication date: January 28, 2021Inventors: Seungjae LEE, Soon-Dong KIM, Changnoh YOON, Jun Heyung JUNG
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Publication number: 20210027700Abstract: A display device including: a first pixel region including first pixels connected to a data line and first scan lines; a second pixel region in contact with the first pixel region at a first boundary and including second pixels connected to the data line and second scan lines; and a third pixel region in contact with the second pixel region at a second boundary and including third pixels connected to the data line and third scan lines, wherein the display device is configured to scale an image displayed in the second pixel region one or more times based on the second pixel region maintaining a folded state.Type: ApplicationFiled: July 1, 2020Publication date: January 28, 2021Inventors: Byung Ki CHUN, Seung Jae LEE, Hae Kwan SEO, Chang Noh YOON, Soon Dong KIM, Ji Hye KIM, Jun Gyu LEE, Jun Heyung JUNG, Young Wook YOO, Kuk Hwan AHN, Hyun Jun LIM
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Publication number: 20200410942Abstract: A display device includes display device includes: a display panel including a plurality of pixels; a data driver configured to generate data voltages based on output image data, and to provide the data voltages to the plurality of pixels; and a controller configured to receive input image data and input frequency information from a host processor, and to provide the output image data to the data driver, wherein the controller includes an adaptive refresh block configured to: determine a target frequency by analyzing the input image data; determine a masking ratio based on an input frequency represented by the input frequency information and the target frequency; and selectively output the input image data as the output image data by performing a masking operation on the input image data with the masking ratio.Type: ApplicationFiled: March 19, 2020Publication date: December 31, 2020Inventors: HongSoo KIM, Sehyuk PARK, Hyo Jin LEE, Sangan KWON, Jinyoung ROH, Sukhun LEE, Jun Heyung JUNG
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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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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: 10418428Abstract: An organic light emitting display device is disclosed. The organic light emitting display device includes a first sub-pixel that includes a first emission region which makes a first color, a second sub-pixel that is disposed adjacent to the first sub-pixel, and includes a second emission region which makes a second color, a third sub-pixel that is disposed adjacent to the first sub-pixel, and includes a third emission region which makes a third color, and a fourth sub-pixel that is disposed adjacent to the second sub-pixel and the third sub-pixel, and includes a fourth emission region which makes a fourth color. At least one of the first to fourth sub-pixels includes a transmission region which cannot emit light and through which external light is transmitted. The transmission region is surrounded by at least one of the first to fourth emission regions.Type: GrantFiled: June 12, 2017Date of Patent: September 17, 2019Assignee: Samsung Display Co., Ltd.Inventor: Jun-Heyung Jung
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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: 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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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: 9837015Abstract: A display device includes a non-volatile memory device including a plurality of memory sets and a controller to store deterioration data of the pixels in each of the memory sets, to compensate input image data based on the deterioration data to generate output image data, and to provide output signals corresponding to the output image data to the scan driver and the data driver.Type: GrantFiled: March 4, 2015Date of Patent: December 5, 2017Assignee: Samsung Display Co., Ltd.Inventors: Boo-Dong Kwak, Jun-Heyung Jung