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公开(公告)号：US11974464B2
公开(公告)日：2024-04-30
申请号：US17788840
申请日：2021-02-18
Inventor： Xuehuan Feng , Yongqian Li
IPC: H01L27/32 , G09G3/3233 , G09G3/3266 , H10K59/121 , H10K59/131
CPC classification number: H10K59/1213 , G09G3/3233 , G09G3/3266 , H10K59/131 , G09G2300/0465 , G09G2300/0842 , G09G2310/0286
Abstract: A driving backplane includes a base substrate, and data lines, a first gate line, a second gate line and pixel driving circuits that are disposed on the base substrate. The first gate line and the second gate line are adjacent. Each pixel driving circuit includes a first transistor including an active layer. The active layer includes an active portion, a first conductive portion and a second conductive portion. Active portions of first transistors further include first contact portions. The pixel driving circuits include a first pixel driving circuit and a second pixel driving circuit that are coupled to a data line and the first gate line. A first conductive portion in the first pixel driving circuit and a first conductive portion in the second pixel driving circuit are in contact through a first contact portion, and are coupled to the data line through the first contact portion.
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公开(公告)号：US11935483B2
公开(公告)日：2024-03-19
申请号：US17310353
申请日：2020-12-29
Inventor： Zhidong Yuan , Yongqian Li , Can Yuan
IPC: G09G3/3266 , G09G3/3233 , G09G3/3291
CPC classification number: G09G3/3266 , G09G3/3233 , G09G3/3291 , G09G2310/0286
Abstract: Provided are a pixel circuit, a driving method thereof and a display panel. The pixel circuit includes: multiple sub-pixel circuits in an array; each sub-pixel circuit includes a first node control sub-circuit, a second node control sub-circuit, a driving sub-circuit, a storage sub-circuit, a reading sub-circuit and a light emitting device; at least reading sub-circuits of the sub-pixel circuits of some rows are controlled by a same sensing control line; the first node control sub-circuit charges the storage sub-circuit in response to a first scan signal; the second node control sub-circuit writes a reference voltage signal into a second node in response to a second scan signal; the reading sub-circuit reads a potential of the second node in response to a sensing control signal written by a sensing control line; the driving sub-circuit drives the light emitting device to emit light.
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公开(公告)号：US11922874B2
公开(公告)日：2024-03-05
申请号：US17788627
申请日：2021-09-13
Inventor： Zhidong Yuan , Can Yuan , Yongqian Li , Lang Liu
IPC: G09G3/3233 , G09G3/3283
CPC classification number: G09G3/3233 , G09G3/3283 , G09G2300/0426 , G09G2310/08 , G09G2320/0247
Abstract: The present disclosure provides a display control method and a display control device. The display control method is used for a display panel. The display panel includes at least a first display area and a second display area arranged in a first direction, the first display area is coupled to a first signal line, and the second display area is coupled to a second signal line. The display control method includes: controlling a first sub-pixel in the first display area to display an image via the first signal line; and controlling a second sub-pixel in the second display area to display an image via the second signal line. A light-emission phase of the first sub-pixel at most partially overlaps a light-emission phase of the second sub-pixel.
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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：US20240057407A1
公开(公告)日：2024-02-15
申请号：US17754369
申请日：2021-04-30
Inventor： Can Yuan , Yongqian Li , Zhidong Yuan , Pan Xu
IPC: H10K59/131 , H10K59/121
CPC classification number: H10K59/131 , H10K59/1213 , H10K59/1216
Abstract: A display substrate and a display device are provided. The display substrate includes: a plurality of pixel units arranged on a base substrate, each pixel unit includes a plurality of sub-pixels, and each sub-pixel includes a light emitting element and a pixel driving circuit; a semiconductor layer arranged on the base substrate; a first conductive layer arranged on a side of the semiconductor layer; and a second conductive layer arranged on another side of the semiconductor layer. The pixel driving circuit includes a driving transistor, a switching transistor and a sensing transistor; the switching transistor includes a first gate electrode and a first active layer; the display substrate further includes a channel defining portion for defining a channel region of the switching transistor, and an orthographic projection of the channel defining portion substrate at least partially overlaps an orthographic projection of the first active layer on the base substrate.
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Patent Agency Ranking
公开(公告)号：US11903252B2
公开(公告)日：2024-02-13
申请号：US17270596
申请日：2020-05-15
IPC: G09G3/30 , H10K59/121 , H10K59/131 , H10K71/00 , H01L27/12 , H10K59/12
CPC classification number: H10K59/1213 , H10K59/1216 , H10K59/131 , H10K71/00 , H01L27/1255 , H10K59/1201
Abstract: The present disclosure provides a display panel and an electronic device. The display panel includes: a base substrate; a pixel arranged on the base substrate, wherein the pixel includes a plurality of sub-pixel drive circuits sequentially arranged in the first direction in the display area, each of the sub-pixel drive circuits includes a switching transistor, a detection transistor and a storage capacitor, the switching transistor and the detection transistor are respectively located on both sides of the storage capacitor in a second direction; a first gate line configured to provide a first scanning signal to the plurality of sub-pixel drive circuits; and a second gate line configured to provide a second scanning signal to the plurality of sub-pixel drive circuits.
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公开(公告)号：US11895879B2
公开(公告)日：2024-02-06
申请号：US17266085
申请日：2020-05-15
Inventor： Meng Li , Yongqian Li , Ying Wang
IPC: H01L27/32 , H10K59/131 , H10K50/824 , H10K59/126 , H10K59/121 , H10K71/00 , H01L27/12 , H10K59/12
CPC classification number: H10K59/131 , H10K50/824 , H10K59/126 , H10K59/1213 , H10K71/00 , H01L27/124 , H10K59/1201
Abstract: Provided are a display substrate and a preparation method thereof, and a display apparatus. The display substrate includes a plurality of display units. The display unit includes a display area and a transparent area. The display area includes a plurality of sub-pixels. In a direction perpendicular to the display substrate, the sub-pixel includes a first metal layer, a semiconductor layer, a second metal layer and a third metal layer which are arranged on a substrate. The first metal layer includes a first plate, the semiconductor layer includes a second plate, the second metal layer includes a first scanning line and a second scanning line, and the third metal layer includes a third plate, a first power supply line, a second power supply line, a compensation line and a data line.
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公开(公告)号：US11854509B2
公开(公告)日：2023-12-26
申请号：US17802776
申请日：2021-10-13
Inventor： Can Yuan , Yongqian Li , Zhidong Yuan
IPC: G09G3/36
CPC classification number: G09G3/3677 , G09G3/3688 , G09G2300/0842 , G09G2310/0278 , G09G2310/0286 , G09G2310/061
Abstract: A display substrate has a display area and a peripheral area. The display substrate includes a plurality of sub-pixels, a plurality of groups of gate scan signal lines, and a plurality of groups of data lines. Each group of gate scan signal lines includes at least one gate scan signal line, each group of data lines includes n data lines, and the plurality of sub-pixels are arranged in an array; and n is greater than or equal to 2. A group of gate scan signal lines is electrically connected to n rows of sub-pixels. A column of sub-pixels is electrically connected to a group of data lines, and includes a plurality of groups of sub-pixels. Each group of sub-pixels includes n sub-pixels. The n sub-pixels are respectively electrically connected to n data lines in the group of data lines to which this column of sub-pixels is electrically connected.
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公开(公告)号：US11844255B2
公开(公告)日：2023-12-12
申请号：US17040606
申请日：2019-12-20
Inventor： Zhongyuan Wu , Yongqian Li , Zhidong Yuan , Meng Li , Can Yuan
IPC: H10K59/131 , H10K59/122 , H10K50/86 , H10K50/828 , H10K59/124 , H10K50/824 , H10K59/12 , H10K71/00 , H10K102/10 , H10K102/00
CPC classification number: H10K59/1315 , H10K50/824 , H10K50/828 , H10K50/865 , H10K59/122 , H10K59/124 , H10K59/131 , H10K71/00 , H10K59/1201 , H10K2102/102 , H10K2102/103 , H10K2102/3026
Abstract: A display panel includes a substrate, a pad, an auxiliary electrode layer, a data line layer, a first electrode layer, a light emitting layer, and a second electrode layer. The substrate has a display area and a peripheral area. The pad is disposed on a side of the substrate and located in the peripheral area. The auxiliary electrode layer is disposed on the same side of the substrate as the pad; the data line layer is disposed on a same layer as the auxiliary electrode layer; the first electrode layer is disposed on a side of the auxiliary electrode layer facing away from the substrate; the light emitting layer is disposed on a side of the first electrode layer facing away from the substrate; and the second electrode layer is disposed on a side of the light emitting layer facing away from the substrate and connected to the auxiliary electrode layer.
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330.发明授权公开(公告)号：US11842683B2
公开(公告)日：2023-12-12
申请号：US17620212
申请日：2020-12-23
Inventor： Can Yuan , Yongqian Li , Zhidong Yuan
IPC: G09G3/3233
CPC classification number: G09G3/3233 , G09G2300/0426 , G09G2300/0819 , G09G2300/0842 , G09G2320/0295 , G09G2320/045
Abstract: A display apparatus, a display panel, and a driving method thereof, and a method of detecting a pixel circuit are described. The display panel includes a pixel unit and a detection apparatus, and the pixel unit includes a pixel circuit and a light-emitting element. The pixel circuit includes a first transistor, a second transistor, a driving transistor, and a storage capacitor. The detection device is configured to: turn off the first transistor and the second transistor, and detect an amount of current leakage of the driving transistor leaked through the sensing line to obtain a first current leakage parameter; detect a first characteristic parameter of the driving transistor to obtain a first reference characteristic parameter; and determine a first target characteristic parameter according to the first current leakage parameter and the first reference characteristic parameter.
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