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11.
公开(公告)号:US20240144881A1
公开(公告)日:2024-05-02
申请号:US18347168
申请日:2023-07-05
Applicant: SAMSUNG DISPLAY CO., LTD.
Inventor: SEHYUK PARK , YOUNGHA SOHN , JIN-WOOK YANG , DONGGYU LEE , JAE-HYEON JEON
IPC: G09G3/3233
CPC classification number: G09G3/3233 , G09G2300/0819 , G09G2300/0842 , G09G2300/0861 , G09G2310/0262 , G09G2310/08 , G09G2320/0233 , G09G2320/0247
Abstract: A display apparatus includes a display panel, a gate driver, a data driver and an emission driver. The display panel includes a pixel. The gate driver is configured to output a gate signal to the pixel. The data driver is configured to output a data voltage to the pixel. The emission driver is configured to output an emission signal to the pixel. The pixel includes a light emitting element, a driving switching element configured to apply a driving current to the light emitting element and a bias switching element configured to apply a bias voltage to the driving switching element. The display apparatus increases a level of the bias voltage when a duration of a light emission time of the pixel is increased.
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公开(公告)号:US20240112622A1
公开(公告)日:2024-04-04
申请号:US18224452
申请日:2023-07-20
Applicant: Samsung Display Co., LTD.
Inventor: JIN-WOOK YANG , YU-CHOL KIM , DONGGYU LEE , JAE-HYEON JEON
IPC: G09G3/32
CPC classification number: G09G3/32 , G09G2310/0216 , G09G2310/0267 , G09G2330/028
Abstract: A pixel includes: a light-emitting element including an anode and a cathode, a first transistor including a first and a second electrode and a gate electrode connected with a first node, a third transistor connected between the second electrode of the first transistor and the first node and including a gate electrode connected with a first scan line, a sixth transistor connected between the second electrode of the first transistor and the anode and including a gate electrode connected with a first emission line, and a seventh transistor connected between the anode and an initialization voltage line and including a gate electrode connected with a second scan line. During an initialization period, the third, sixth, and seventh transistors are turned on such that an initialization voltage from the initialization voltage line is transferred to the gate electrode of the first transistor.
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公开(公告)号:US20240013709A1
公开(公告)日:2024-01-11
申请号:US18106704
申请日:2023-02-07
Applicant: Samsung Display Co., Ltd.
Inventor: DONGGYU LEE , SEHYUK PARK , YOUNGHA SOHN , JIN-WOOK YANG , JAE-HYEON JEON
IPC: G09G3/32
CPC classification number: G09G3/32 , G09G2310/08 , G09G2310/061 , G09G2310/0267 , G09G2320/0233
Abstract: A display device includes a display panel which includes first to nth pixel areas arranged in a direction, where n is a natural number greater than or equal to 2, an emission control driver which provides an emission control signal having a plurality of emission cycles corresponding to a number of outputs of a gate-on voltage during a frame period to the first to nth pixel areas, a power supply which generates first to nth bias voltages respectively provided to the first to nth pixel areas, and a timing controller which controls timings when the first to nth bias voltages are supplied to the first to nth pixel areas in a way such that a kth bias voltage is provided with a delay of one emission cycle from a (k−1)th bias voltage, where k is a natural number greater than or equal 2 and less than or equal n.
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公开(公告)号:US20230410741A1
公开(公告)日:2023-12-21
申请号:US18122401
申请日:2023-03-16
Applicant: Samsung Display Co., Ltd.
Inventor: DONGGYU LEE , JAE-HYEON JEON , SEHYUK PARK , JIN-WOOK YANG
IPC: G09G3/3233 , G09G3/20
CPC classification number: G09G3/3233 , G09G3/2096 , G09G2300/0819 , G09G2300/0852 , G09G2320/0247 , G09G2310/08 , G09G2320/0285 , G09G2320/0233 , G09G2300/0861
Abstract: A display device includes a light emitting element, a first transistor, and a second transistor connected between the first transistor and the light emitting element and including a gate electrode which receives an emission signal. One frame includes a first period a second period continuous with the first period. An emission off period of the emission signal has a first time duration during the first period, and the emission off period of the emission signal has a second time duration different from the first time duration during the second period.
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公开(公告)号:US20210376041A1
公开(公告)日:2021-12-02
申请号:US17166017
申请日:2021-02-03
Applicant: Samsung Display Co., Ltd.
Inventor: DONGGYU LEE , JIHYE KIM , JIN-WOOK YANG , JAE-HYEON JEON
IPC: H01L27/32
Abstract: A display device includes a display panel including a plurality of pixels. At least one of the pixel includes a light emitting diode, a first transistor connected between a power line receiving a power source voltage and an anode of the light emitting diode, a second transistor connected between a data line and a first reference node, a first capacitor connected between the power line and the first reference node, a second capacitor connected between the first reference node and a second reference node, a third transistor connected between the first reference node and a reference voltage line receiving a reference voltage, a fourth transistor connected between an initialization voltage line receiving an initialization voltage and a drain of the first transistor, and a fifth transistor connected between the drain of the first transistor and the anode of the light emitting diode.
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公开(公告)号:US20250104608A1
公开(公告)日:2025-03-27
申请号:US18755073
申请日:2024-06-26
Applicant: Samsung Display Co., LTD.
Inventor: DONGGYU LEE , SEHYUK PARK , JIN-WOOK YANG , JAE-HYEON JEON
IPC: G09G3/32 , G09G3/3225
Abstract: A display device includes a display panel that includes a plurality of pixels and displays an image corresponding to each of a plurality of frames, and a drive controller that receives an image signal and drives the plurality of frames at a plurality of driving frequencies. The drive controller includes a representative frequency calculator, a compensation signal calculator, and a data compensation unit that receives an image signal and outputs a compensation data signal by adding a gray of the image signal and a gray value based on a data correction lookup table in which the gray value is stored. Luminance of the image is controlled based on the compensation signal and the compensation data signal.
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公开(公告)号:US20240404464A1
公开(公告)日:2024-12-05
申请号:US18391894
申请日:2023-12-21
Applicant: SAMSUNG DISPLAY CO., LTD.
Inventor: JIN-WOOK YANG , DONGGYU LEE , JAE-HYEON JEON , YU-CHOL KIM
IPC: G09G3/3233 , G09G3/20 , G09G3/3258
Abstract: A display device including: a display panel including a pixel; and a panel driver configured to provide a reference voltage and a data voltage to the pixel, wherein the pixel emits light with a luminance corresponding to a difference between the reference voltage and the data voltage, and when the reference voltage changes, and a range of the data voltage is shifted by a voltage level that corresponds to the amount of change in the reference voltage.
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公开(公告)号:US20240296787A1
公开(公告)日:2024-09-05
申请号:US18661597
申请日:2024-05-11
Applicant: Samsung Display Co., LTD.
Inventor: JIN-WOOK YANG , YU-CHOL KIM , DONGGYU LEE , JAE-HYEON JEON
IPC: G09G3/32
CPC classification number: G09G3/32 , G09G2310/0216 , G09G2310/0267 , G09G2330/028
Abstract: A pixel includes: a light-emitting element including an anode and a cathode, a first transistor including a first and a second electrode and a gate electrode connected with a first node, a third transistor connected between the second electrode of the first transistor and the first node and including a gate electrode connected with a first scan line, a sixth transistor connected between the second electrode of the first transistor and the anode and including a gate electrode connected with a first emission line, and a seventh transistor connected between the anode and an initialization voltage line and including a gate electrode connected with a second scan line. During an initialization period, the third, sixth, and seventh transistors are turned on such that an initialization voltage from the initialization voltage line is transferred to the gate electrode of the first transistor.
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公开(公告)号:US20240062694A1
公开(公告)日:2024-02-22
申请号:US18191542
申请日:2023-03-28
Applicant: SAMSUNG DISPLAY CO. LTD.
Inventor: DONGGYU LEE , SEHYUK PARK , JIN-WOOK YANG , JAE-HYEON JEON
IPC: G09G3/20
CPC classification number: G09G3/20 , G09G2310/0264 , G09G2340/0435
Abstract: A display system includes a host processor configured to provide frame data using a scan order, and a display device including a display panel including pixels and a display panel driver configured to refresh the pixels according using the frame data and to provide the scan order to the host processor.
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公开(公告)号:US20240013728A1
公开(公告)日:2024-01-11
申请号:US18106008
申请日:2023-02-06
Applicant: Samsung Display Co., Ltd.
Inventor: DONGGYU LEE , JIN-WOOK YANG , JAE-HYEON JEON
IPC: G09G3/3266 , G09G3/3233
CPC classification number: G09G3/3266 , G09G3/3233 , G09G2300/0819 , G09G2300/0842 , G09G2300/0861 , G09G2310/08 , G09G2320/02 , G09G2340/0435
Abstract: A display device includes a display panel including pixels, and a display panel driver which starts a scan operation in synchronization with an input timing of input image data, performs the scan operation every a scan cycle in one frame, and delays a start of the scan operation of an (N+1)-th frame until the scan operation of an N-th frame ends when the input image data of the (N+1)-th frame is input during the scan operation of the N-th frame, where N is a positive integer.
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