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公开(公告)号：US20210103751A1
公开(公告)日：2021-04-08
申请号：US16865731
申请日：2020-05-04
Applicant: Samsung Display Co., Ltd.
Inventor： Jun Gyu LEE , Hyeon Min KIM , Kuk-Hwan AHN , Young Wook YOO , Hyun Jun LIM , Byung Ki CHUN
Abstract: An object detection post-processing device of a display device, includes: an input to receive position information of an object that is detected from input image data for the display device in a current frame; a position information storage device to accumulatively store the position information of a plurality of previous frames; an accumulated position calculator to generate accumulated position information according to the position information of the current frame and the position information of the plurality of previous frames; and a position information determiner to determine final position information according to the accumulated position information, and to output the final position information.
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公开(公告)号：US20240153459A1
公开(公告)日：2024-05-09
申请号：US18500239
申请日：2023-11-02
Applicant: Samsung Display Co., LTD.
Inventor： Byung Ki CHUN , Ji Hyun KA , Min Seok BAE , Chang Bin IM , Chae Han HYUN
IPC: G09G3/3233
CPC classification number: G09G3/3233 , G09G2300/0426 , G09G2300/0852 , G09G2300/0861 , G09G2310/08 , G09G2320/043
Abstract: A display device includes a display panel including a pixel and a sensor pixel, the pixel including a light emitting element and a driving transistor controlling a current flowing through the light emitting element, the sensor pixel including sensor transistors, a data driver that supplies a data signal to the pixel through a data line and provides a sensor data signal to the sensor pixel through a sensor data line, and a sensing driver that obtains sensing information on a current flowing through the sensor pixel. The sensor transistors are electrically connected in parallel to each other and are commonly electrically connected to the sensor data line. The sensor transistors and the driving transistor include a substantially same characteristic.
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公开(公告)号：US20230419873A1
公开(公告)日：2023-12-28
申请号：US18199372
申请日：2023-05-19
Applicant: Samsung Display Co., Ltd.
Inventor： Byung Ki CHUN , Jae Hoon LEE , Tae Hyeong AN
IPC: G09G3/20 , G09G3/3233
CPC classification number: G09G3/2007 , G09G3/3233 , G09G3/2096 , G09G2300/0842 , G09G2300/0413 , G09G2330/12 , G09G2330/08 , G09G2320/048 , G09G2320/0276
Abstract: Provided is a display device comprising pixel circuits included in the display area, the pixel circuits including light emitting elements with grayscales corresponding to data input from the outside, a dummy pixel circuit included in the non-display area, the dummy pixel circuit including a dummy light emitting element and a dummy driving transistor, a sensing unit for inputting to the dummy pixel circuit, a test data signal for sensing an output signal corresponding to predetermined test data for each predetermined time, and then performing an operation of generating compensation information for compensating for degradation according to a driving time of at least one of the light emitting element and the driving transistor based on the output signal output from the dummy pixel circuit, and a timing controller for accumulating and storing the compensation information, and generating compensated data by compensating for the data input from the outside.
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公开(公告)号：US20230410755A1
公开(公告)日：2023-12-21
申请号：US18124609
申请日：2023-03-22
Applicant: Samsung Display Co., Ltd.
Inventor： Tae Hyeong AN , Jae Hoon LEE , Byung Ki CHUN
IPC: G09G3/3291 , G09G3/32
CPC classification number: G09G3/3291 , G09G3/32 , G09G2320/0257 , G09G2320/041
Abstract: Provided is a display device comprising at least one sensing pixel including a sensing pixel circuit, a sensing unit including sensing circuit, and a temperature output unit to calculate a temperature of the display panel based on the sensing data. The sensing data is generated from a sensing pixel including a driving transistor in which a current generated according to temperature varies, and a temperature is measured from the sensing data.
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Patent Agency Ranking
15.发明申请公开(公告)号：US20210103765A1
公开(公告)日：2021-04-08
申请号：US16891981
申请日：2020-06-03
Applicant: Samsung Display Co., Ltd.
Inventor： Byung Ki CHUN , Kuk-Hwan AHN , Young Wook YOO , Jungyu LEE , Hyunjun LIM
IPC: G06K9/62 , G06F16/535
Abstract: A driving controller includes a logo detector. The logo detector includes a histogram extractor which receives input image data and extracts a first histogram from logo area data of the input image data, a first histogram regenerator electrically connected to the histogram extractor and configured to receive the first histogram from the histogram extractor to generate a second histogram based on the first histogram and a logo map determiner electrically connected to the histogram extractor and the first histogram regenerator, and configure to select one of the first histogram and the second histogram to generate a first logo map. The driving controller is configured to compensate the logo area data of the input image data using the first logo map.
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公开(公告)号：US20210027700A1
公开(公告)日：2021-01-28
申请号：US16918454
申请日：2020-07-01
Applicant: Samsung Display Co., Ltd.
Inventor： 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
Abstract: 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.
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公开(公告)号：US20200074906A1
公开(公告)日：2020-03-05
申请号：US16523775
申请日：2019-07-26
Applicant: Samsung Display Co., Ltd.
Inventor： Jun Gyu LEE , Byung Ki CHUN
IPC: G09G3/20
Abstract: An image compensator includes: a shift path updater for updating a first preliminary shift direction of a fixed image included in an image in a preset first period according a first shift scenario, and updating a second preliminary shift direction of the fixed image in a preset second period according a second shift scenario; a shift direction determiner for correcting the first preliminary shift direction and the second preliminary shift direction respectively to a first target shift direction and a second target shift direction, based on a result obtained by comparing the first preliminary shift direction and the second preliminary shift direction; a first shift controller for performing a first image shift, based on the first target shift direction; and a second shift controller for performing a second image shift, based on the second target shift direction.
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18.发明申请公开(公告)号：US20200074596A1
公开(公告)日：2020-03-05
申请号：US16504752
申请日：2019-07-08
Applicant: Samsung Display Co., Ltd.
Inventor： Byung Ki CHUN , Young Wook YOO , Jun Gyu LEE
Abstract: An afterimage compensator includes: a logo detector configured to detect a logo area including a logo image displayed in a display panel and a logo background image included in a preset range at the periphery of the logo image, based on input image data; a blurring determiner configured to determine a blurring area corresponding to the logo image, using the logo image and the logo background image; and an image corrector configured to blur the logo image, based on the blurring area.
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公开(公告)号：US20190088194A1
公开(公告)日：2019-03-21
申请号：US15911715
申请日：2018-03-05
Applicant: Samsung Display Co., Ltd.
Inventor： Byung Ki CHUN , Jun Gyu LEE , Kyung Man KIM
IPC: G09G3/30
Abstract: A display device includes a display panel including a plurality of pixels, and a display driver, wherein the image includes at least one X-axis edge pattern in which a difference between gradation values of the two pixels adjacent to each other in an X-axis direction is equal to or greater than a reference gradation value difference, and at least one Y-axis edge pattern in which a difference between gradation values of the two pixels adjacent to each other in a Y-axis direction is equal to or greater than the reference gradation value difference, and degree of movement of some areas of the image in the X-axis direction is greater than degree of movement of some areas of the image in the Y-axis direction when the number of the X-axis edge patterns included in the image is larger than the number of the Y-axis edge patterns included in the image.
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