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公开(公告)号：US20240365593A1
公开(公告)日：2024-10-31
申请号：US18255099
申请日：2022-08-30
Inventor： Mengqi Wang , Wenbo Chen , Zhengkun Li
IPC: H10K59/121 , G09G3/3258 , G09G3/3291 , H10K59/131 , H10K59/88
CPC classification number: H10K59/1216 , G09G3/3258 , G09G3/3291 , H10K59/1213 , H10K59/131 , H10K59/88 , G09G2300/0842
Abstract: An array substrate is provided. The array substrate includes a plurality of pixel driving circuits configured to drive light emission in a plurality of subpixels; at least one dummy circuit incapable of driving light emission; and a plurality of voltage supply lines configured to provide a voltage. The voltage is provided to a second capacitor electrode of at least one pixel driving circuit of the plurality of pixel driving circuits, and is provided to both capacitor electrodes of the at least one dummy circuit.
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公开(公告)号：US20240355295A1
公开(公告)日：2024-10-24
申请号：US18515319
申请日：2023-11-21
Inventor： Feixiang SUN , Hongyan LIU
IPC: G09G3/3266 , G09G3/3258
CPC classification number: G09G3/3266 , G09G3/3258 , G09G2310/061 , G09G2310/08 , G09G2320/0247 , G09G2330/021
Abstract: The present invention provides a display panel and an electronic apparatus, including a first display part and a second display part, a plurality of second gate driving units electrically connected to the second display part and arranged in cascade, a plurality of first gate driving units electrically connected to the first display part and arranged in cascade. A first gate driving unit including a first output unit for transmitting a first voltage to an output terminal in response to a voltage of a first node, a second output unit for transmitting a second voltage to the output terminal in response to a voltage of a second node, an output terminal electrically connected to a corresponding first sub-pixel, a constant voltage control unit electrically connected to a first node or a second node.
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公开(公告)号：US12125442B2
公开(公告)日：2024-10-22
申请号：US18379323
申请日：2023-10-12
Applicant: Samsung Display Co., LTD.
Inventor： Byoungkwan An , Joonhyeok Jeon , Sangmyeon Han , Seungho Park
IPC: G09G3/3258
CPC classification number: G09G3/3258 , G09G2320/0242 , G09G2320/0276 , G09G2320/041 , G09G2320/043 , G09G2320/0626 , G09G2360/16
Abstract: A driving controller of a display device includes: an accumulation unit, which outputs accumulation data, which is obtained by accumulating a deterioration state, and a deterioration stress value based on an input image signal and a deterioration prediction temperature value; a temperature prediction unit that calculates the deterioration prediction temperature value based on the accumulation data, a color acceleration coefficient, a color current contribution ratio, and a temperature signal; and a compensation unit that outputs an output image signal based on the input image signal and the deterioration stress value.
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4.发明公开公开(公告)号：US20240312418A1
公开(公告)日：2024-09-19
申请号：US18675067
申请日：2024-05-27
Applicant: Samsung Display Co., Ltd.
Inventor： JI-HYUN KA , NACKHYEON KEUM , KIMYEONG EOM
IPC: G09G3/3258 , G09G3/3266 , G09G3/3291
CPC classification number: G09G3/3258 , G09G3/3291 , G09G3/3266 , G09G2300/0876
Abstract: A display panel of an OLED display device includes a first pixel configured to emit first color light, a second pixel configured to emit second color light, and a third pixel configured to emit third color light. Each of the first, second and third pixels includes at least two transistors, at least one capacitor and an organic light emitting diode. At least one of at least two transistors or at least one capacitor included in the third pixel has a size different from a size of a corresponding one at least two transistors or at least one capacitor included in the first pixel or the second pixel.
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公开(公告)号：US20240312417A1
公开(公告)日：2024-09-19
申请号：US18488754
申请日：2023-10-17
Applicant: Samsung Display Co., Ltd.
Inventor： Juwon Yoon , Guanghai Jin , Junghun Noh
IPC: G09G3/3258 , G09G3/3233 , G09G3/3291
CPC classification number: G09G3/3258 , G09G3/3233 , G09G3/3291 , G09G2300/0819 , G09G2300/0842 , G09G2320/043
Abstract: The disclosure provides a pixel and a method of aging the pixel for reducing or preventing damage to a display element during aging of a driving transistor, the pixel including a display element including an anode and a cathode, a first transistor configured to control a magnitude of a driving current flowing to the display element in response to a gate-source voltage, the first transistor including a first gate electrode configured to function as a gate of the first transistor, a semiconductor layer, and a second gate electrode in a floating state between the first gate electrode and the semiconductor layer, and a second transistor configured to deliver a first voltage to the first transistor in response to a first scan signal.
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Patent Agency Ranking
公开(公告)号：US20240296796A1
公开(公告)日：2024-09-05
申请号：US18337621
申请日：2023-06-20
Applicant: HKC CORPORATION LIMITED
Inventor： Shangcao CAO , Baohong KANG
IPC: G09G3/325 , G09G3/3258
CPC classification number: G09G3/325 , G09G3/3258 , G09G2320/0233
Abstract: A pixel drive circuit which includes a first data input circuit, a second data input circuit, a current regulation circuit, a first energy storage circuit, a second energy storage circuit, a first light-emitting control circuit and a second light-emitting control circuit. The first and second data input circuits are in electrical connection with control ends of the first and second light-emitting control circuits, respectively. Inputs of the first and second light-emitting control circuits are both in electrical connection with a first power supply. Outputs of the first and second light-emitting control circuit are in electrical connection with anodes of a first light-emitting device and a second light-emitting device, respectively. The first light-emitting device and the second light-emitting device emit light simultaneously. The current regulation circuit is in electrical connection with an output of the second data input circuit.
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公开(公告)号：US20240290273A1
公开(公告)日：2024-08-29
申请号：US18582592
申请日：2024-02-20
Applicant: Samsung Display Co., Ltd.
Inventor： Hwan Soo JANG
IPC: G09G3/3258
CPC classification number: G09G3/3258 , G09G2300/08 , G09G2310/06
Abstract: A stage circuit including: an output circuit for supplying a voltage of a first or second power supply to an output terminal in response to voltages of first and second nodes; an input circuit for controlling voltages of the second node and a third node; a first signal processor for controlling the voltage of the first node; a second signal processor configured to control the voltage of the first node in response to an output voltage of a third signal processor and a signal supplied to a third input terminal; and the third signal processor for controlling the voltage of the second node. The third signal processor includes: a third capacitor coupled between the first power supply and the second node; and a third transistor coupled between the first power supply and the third input terminal, and including a gate electrode coupled to the second node.
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公开(公告)号：US12073790B2
公开(公告)日：2024-08-27
申请号：US17274939
申请日：2020-07-31
Inventor： Tinghua Shang , Haigang Qing , Pengfei Yu , Yu Wang , Tingliang Liu , Ling Shi , Yao Huang
IPC: G09G3/3258 , G09G3/20 , G09G3/3266 , G09G3/3291 , H10K50/814 , H10K59/121 , H10K59/124 , H10K59/131 , H10K59/35 , H10K59/80 , H10K59/82
CPC classification number: G09G3/3258 , G09G3/2003 , G09G3/3266 , G09G3/3291 , H10K50/814 , H10K59/121 , H10K59/1213 , H10K59/124 , H10K59/131 , H10K59/352 , H10K59/353 , H10K59/805 , H10K59/82 , G09G2300/0426 , G09G2300/0443
Abstract: A display substrate and a display device are provided. The display substrate includes sub-pixels, first data lines, and first power signal lines. The sub-pixel includes a light emitting element including a second electrode. The sub-pixel includes a first connecting portion including a first sub-connecting portion and a first block. The second electrode is overlapped with the first data line, the first power signal line and the first connecting portion, the first power signal line and the first data line are located at both sides of the first connecting portion. A ratio of a minimum distance between edges of the first sub-connecting portion and the first data line which are close to each other to a minimum distance between edges of the first block and the first power signal line which are close to each other is in a range from 0.8 to 1.2.
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公开(公告)号：US20240282249A1
公开(公告)日：2024-08-22
申请号：US18545668
申请日：2023-12-19
Applicant: SAMSUNG ELECTRONICS CO., LTD.
Inventor： Junghyun YOON , Sungjin LIM , Seungjun JEONG
IPC: G09G3/32 , G09G3/3258
CPC classification number: G09G3/32 , G09G3/3258 , G09G2320/0238
Abstract: An display apparatus includes: a display panel; and a controller configured to: process source data, received from an external device, to control the display panel to display an image on a screen of the display panel, the source data including the image, identify a first aspect ratio of the screen of the display panel and a second aspect ratio of the image, based on the first aspect ratio being different from the second aspect ratio, determine, within the screen of the display panel, an image area where the image is displayed and a black area where the image is not displayed, and move the image area periodically or substantially periodically along a direction in which the black area is located within the screen of the display panel.
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公开(公告)号：US20240265871A1
公开(公告)日：2024-08-08
申请号：US18021472
申请日：2022-04-21
IPC: G09G3/3258
CPC classification number: G09G3/3258 , G09G2300/0842 , G09G2320/0247
Abstract: A pixel circuit, a pixel driving method, and a display device are provided in the present disclosure. The pixel circuit includes a light-emitting element, a driving circuit, a first light-emission control circuit, a first initialization circuit, an energy storage circuit, a compensation control circuit and a data written-in circuit. A first terminal of the energy storage circuit is electrically connected to a control terminal of the driving circuit, and a second terminal of the energy storage circuit is electrically connected to a first electrode of the light-emitting element. The data written-in circuit writes a data voltage into a first terminal of the driving circuit under control of a written-in control signal. The compensation control circuit controls the control terminal of the driving circuit to be electrically connected to a second terminal of the driving circuit under control of a compensation control signal.
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