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公开(公告)号：US20250166571A1
公开(公告)日：2025-05-22
申请号：US19030733
申请日：2025-01-17
Inventor： Tianyi CHENG , Meng LI , Zhongliu YANG
IPC: G09G3/3258
Abstract: A pixel circuit, a driving method and a display device. The pixel circuit includes a light emitting element, a driving circuit, an energy storage circuit, an initialization circuit, and a compensation control circuit; the display period of the pixel circuit includes a refresh frame and a retention frame; the refresh frame and the retention frame respectively include a set phase and a light emitting phase set successively; the initialization circuit is configured to control provide the initial voltage to the first terminal and/or the second terminal of the driving circuit under the control of the initial control signal provided by the initial control terminal, in the refresh frame and the retention frame, at least in the set phase. The present disclose improves hysteresis and improves the display effect.
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公开(公告)号：US20250143111A1
公开(公告)日：2025-05-01
申请号：US18692341
申请日：2023-08-10
Inventor： Zhengkun LI , Meng LI , Benlian WANG , Xiaohuan CHANG
IPC: H10K59/131 , H10H29/34 , H10H29/49 , H10K59/35
Abstract: A display substrate includes a base substrate, multiple light emitting elements, and multiple pixel circuits. The multiple light emitting elements include multiple groups of light emitting elements. At least one of the multiple groups of light emitting elements includes multiple first region light emitting elements located in a first display region and multiple second region light emitting elements located in a second display region. The multiple pixel circuits include multiple groups of pixel circuits. At least one of the multiple groups of pixel circuits includes multiple first type pixel circuits and multiple second type pixel circuits. The multiple first region light emitting elements at least include multiple first light emitting elements emitting light in a first color and multiple second light emitting elements emitting light in a second color. The multiple first type pixel circuits include multiple first pixel circuits and multiple second pixel circuits.
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公开(公告)号：US20240373691A1
公开(公告)日：2024-11-07
申请号：US18289368
申请日：2022-02-28
IPC: H10K59/131 , G09G3/3233 , H10K59/121
Abstract: A display panel is provided. The display panel includes a light emitting unit and a pixel driving circuit. The pixel driving circuit includes a driving transistor, a fifth transistor and a sixth transistor, the fifth transistor includes a first electrode connected to a power line, a second electrode connected to a first electrode of the driving transistor and a gate electrode connected to a first enabling signal line, and the sixth transistor includes a first electrode connected to a second electrode of the driving transistor, a second electrode connected to a first electrode of the light emitting unit and a gate electrode connected to a second enabling signal line.
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公开(公告)号：US20240324352A1
公开(公告)日：2024-09-26
申请号：US18575185
申请日：2022-09-21
Inventor： Meng LI , Yao HUANG , Tianyi CHENG , Lili DU , Hongjun ZHOU , Zhenhua ZHANG
IPC: H10K59/131 , H10K59/122 , H10K59/35
CPC classification number: H10K59/131 , H10K59/122 , H10K59/353
Abstract: Provided are a display panel and a display apparatus. The display panel includes a base substrate, a fifth conductive layer, an electrode layer and a pixel defining layer. The electrode layer includes a plurality of electrode portions, at least one of the electrode portions comprises a body portion and a supplemental portion which are connected with each other, and an orthographic projection of the supplemental portion on the base substrate at least partially overlaps with an orthographic projection of a corresponding power line on the base substrate.
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公开(公告)号：US20240221584A1
公开(公告)日：2024-07-04
申请号：US17778376
申请日：2021-06-02
Inventor： Meng LI , Tianyi CHENG , Yao HUANG
IPC: G09G3/20
CPC classification number: G09G3/2092 , G09G2300/0426 , G09G2300/0852 , G09G2310/0267 , G09G2310/0275 , G09G2310/061
Abstract: A driving circuit includes an output circuit, a first node reset circuit and a second node control capacitor; the output circuit controls a driving signal terminal to output a driving signal under the control of a potential of a first node; the first node reset circuit controls to reset the first node under the control of a potential of a second node; the second node control capacitor is electrically connected to the second node; a width-to-length ratio of an output transistor included in the output circuit is less than or equal to a first predetermined width-to-length ratio; and/or a width-to-length ratio of a first node reset transistor included in the first node reset circuit is greater than or equal to a second predetermined width-to-length ratio; and/or, a capacitance value of the second node control capacitor is greater than or equal to a predetermined capacitance value.
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Patent Agency Ranking
公开(公告)号：US20240161687A1
公开(公告)日：2024-05-16
申请号：US17772955
申请日：2021-05-13
Inventor： Meng LI , Yongqian LI , Chen XU , Jingquan WANG , Dacheng ZHANG , Yu WANG , Zhidong YUAN , Zhenhua QIU
IPC: G09G3/3225 , H10K59/131
CPC classification number: G09G3/3225 , H10K59/131 , G09G2300/0408 , G09G2300/0452 , G09G2300/0842
Abstract: The present disclosure provides a display substrate and a display device, and belongs to the field of display technologies. The display substrate includes a base substrate, a plurality of pixels, a plurality of gate lines and a plurality of data lines, wherein the base substrate has a plurality of transparent regions and a plurality of display regions, and the transparent regions and the display regions alternate with each other in a first direction; the pixels are on the base substrate and within the display regions; pixels within each of the display regions are arranged in a second direction; each pixel includes a plurality of sub pixels; the sub pixels of each pixel are divided into two rows of sub pixels; each row of sub pixels are arranged in the first direction; the first direction intersects the second direction; the gate lines and the data lines are on the base substrate; the gate lines extend along the first direction; the data lines extend along the second direction; the sub pixels of a first pixel are connected with the same gate line; the gate line connected with the sub pixels of the first pixel is between the two rows of sub pixels of the first pixel; and the first pixel is any one of the plurality of pixels.
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公开(公告)号：US20240057420A1
公开(公告)日：2024-02-15
申请号：US18494897
申请日：2023-10-26
Inventor： Can YUAN , Yongqian LI , Meng LI , Zhidong YUAN , Dacheng ZHANG , Lang LIU
IPC: H10K59/131 , G09G3/3233 , G09G3/3266 , G09G3/3275 , H10K50/813 , H10K50/824 , H10K59/122 , H10K59/124 , H10K59/121 , H10K71/00
CPC classification number: H10K59/1315 , G09G3/3233 , G09G3/3266 , G09G3/3275 , H10K50/813 , H10K50/824 , H10K59/122 , H10K59/124 , H10K59/1216 , H10K71/00 , G09G2300/0426
Abstract: A display substrate and a display device are provided. The display substrate includes a base substrate and sub-pixels on the base substrate. The sub-pixels are arranged in a sub-pixel array in a first direction and a second direction, the first direction intersecting with the second direction. The display substrate further includes data lines extended in the first direction, and the data lines are connected in one-to-one correspondence with the sub-pixels in columns in each row of sub-pixels, so as to provide data signals respectively; the display substrate further includes auxiliary electrode lines extended in the first direction which are configured to be electrically connected with a second electrode of the light emitting element to provide a second power voltage; each of the auxiliary electrode lines is spaced from any one of the plurality of data lines by at least one column of sub-pixels.
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公开(公告)号：US20240029647A1
公开(公告)日：2024-01-25
申请号：US18477479
申请日：2023-09-28
Inventor： Yudiao CHENG , Benlian WANG , Meng LI , Weiyun HUANG , Yao HUANG
IPC: G09G3/3225 , G09G3/3275 , H10K50/86 , H10K59/65 , H10K59/121 , H10K59/131 , H10K71/00 , G09G3/3233
CPC classification number: G09G3/3225 , G09G3/3275 , H10K50/865 , H10K59/65 , H10K59/121 , H10K59/131 , H10K59/1213 , H10K59/1216 , H10K71/00 , G09G3/3233 , G09G2300/0413 , G09G2300/0426 , G09G2300/0842 , G09G2310/0272 , H10K59/1201
Abstract: The present disclosure provides display substrate and display device, and belongs to the field of display technology. The display substrate of the disclosure has mounting region, first display region adjacent to mounting region, and second display region surrounding first display region and/or mounting region. The display substrate comprises: substrate; driving circuit layer on substrate and comprising pixel driving circuits in first display region and second display region, and arrangement density of pixel driving circuits in second display region is less than that of pixel driving circuits in second display region; and light emitting devices in mounting region, first display region, and second display region, first electrode of each light emitting device being electrically coupled to a corresponding pixel driving circuit, and pixel driving circuit electrically coupled to first electrode of light emitting device in the mounting region being located in first display region.
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公开(公告)号：US20230260454A1
公开(公告)日：2023-08-17
申请号：US17614582
申请日：2020-11-27
Inventor： Pinchao GU , Yao HUANG , Tianyi CHENG , Yue LONG , Yuanyou QIU , Meng LI
IPC: G09G3/3225 , H10K59/131
CPC classification number: G09G3/3225 , H10K59/131 , G09G2300/0819 , G09G2300/0842 , G09G2300/0408 , G09G2300/0426 , G09G2370/00 , G09G2320/0233 , G09G2310/08 , G09G2310/0264
Abstract: A display substrate is provided with a setup region including an acquisition region and a transition region adjacent to the acquisition region. The display substrate includes: a base substrate; light emitting devices on the base substrate, at least a part of the light emitting devices are provided in each of the acquisition region and the transition region; and driving circuits on the base substrate, each of the driving circuits being configured to provide a driving signal to a corresponding light emitting device. A driving circuit corresponding to a light emitting device in the transition region is a first local driving circuit which is in the transition region. A driving circuit corresponding to a light emitting device in the acquisition region is a peripheral driving circuit which is in the transition region and is connected to the corresponding light emitting device in the acquisition region through a connection line.
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公开(公告)号：US20230206799A1
公开(公告)日：2023-06-29
申请号：US18115800
申请日：2023-03-01
Inventor： Yao HUANG , Weiyun HUANG , Yue LONG , Chao ZENG , Meng LI
CPC classification number: G09G3/035 , G09G3/20 , G11C19/287 , G09G2310/08 , G09G2310/0221 , G09G2310/0267 , G09G2310/0286 , G09G2320/045 , G09G2320/048 , G09G2320/064 , G09G2320/0233
Abstract: A display panel and a display drive method thereof, and a display device are provided. The display panel comprises two parallel and non-overlapping display regions connected to individual scan drive circuits. The display drive method adjusts the pulse width of the light-emitting control signal for each display regions to adjust their respective light-emitting durations within a display period. This method enhances the display quality by avoiding the appearance of a yin-yang screen and improving the display brightness of each display region.
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