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公开(公告)号：US20240397786A1
公开(公告)日：2024-11-28
申请号：US18269960
申请日：2021-12-27
Inventor： Liu WU , Yongqian LI , Can YUAN , Zhidong YUAN
IPC: H10K59/80 , H10K59/131 , H10K59/35
Abstract: Disclosed are a display substrate and a display apparatus, the display substrate includes a transparent region and a pixel region, the pixel region includes a plurality of light emitting devices, the plurality of light emitting devices include a first light emitting device, an orthographic projection of a first anode layer of the first light emitting device on a plane of the display substrate is partially overlapped with an orthographic projection of the transparent region on the plane of the display substrate, and an orthographic projection of a second anode layer of the first light emitting device on the plane of the display substrate is within a range of an orthographic projection of the pixel region on the plane of the display substrate.
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公开(公告)号：US20240365595A1
公开(公告)日：2024-10-31
申请号：US18247230
申请日：2022-04-29
Inventor： Zhidong YUAN , Pan XU , Huifeng WANG , Can YUAN , Zhongyuan WU
IPC: H10K59/122 , H10K59/12 , H10K59/88
CPC classification number: H10K59/122 , H10K59/1201 , H10K59/88
Abstract: Embodiments of the present disclosure provide a display panel, a display device, and a method for preparing a display panel. The display panel has a display area and a peripheral area, the display panel including a pixel defining layer including a plurality of first pixel defining blocks in the display area parallelly arranged in a first direction, and adjacent first pixel defining blocks having different columns of pixel defining openings, and at least one second pixel defining block in the peripheral area as an extension of at least one first pixel defining block in a second direction to the peripheral area, each second pixel defining block including a plurality of columns of pixel defining openings, a column number which is greater than or equal to the difference in the column numbers of pixel defining openings of two adjacent first pixel defining blocks.
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公开(公告)号：US20240215422A1
公开(公告)日：2024-06-27
申请号：US17791262
申请日：2021-09-28
Inventor： Zhidong YUAN , Pan XU , Yongqian LI , Can YUAN
IPC: H10K59/88 , G01R31/28 , G09G3/3233 , G09G3/3266 , H10K71/70
CPC classification number: H10K59/88 , G01R31/2884 , G09G3/3233 , G09G3/3266 , H10K71/70 , G09G2300/0408 , G09G2300/0842 , G09G2310/0286 , G09G2310/08 , G09G2330/12
Abstract: A display panel, and a test method thereof, a display apparatus, each subpixel of the pixel array of the display panel includes a pixel circuit, a first signal line configured to provide a scanning signal to the pixel circuit, a scan driver circuit configured to provide the scanning signal to the pixel circuit and includes a shift register and a clock signal line in the display area; a test circuit board in the non-display area and including a test pad; and a test lead in the non-display area and electrically connected with the test pad. The first signal line includes a first part in the display area and a second part in the non-display area, the first part extends substantially along the first direction.
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公开(公告)号：US20240177663A1
公开(公告)日：2024-05-30
申请号：US17789938
申请日：2021-07-09
Inventor： Yongqian LI , Can YUAN , Zhongyuan WU
IPC: G09G3/3233 , H10K59/131
CPC classification number: G09G3/3233 , H10K59/131 , G09G2300/0408 , G09G2300/0452 , G09G2300/0819 , G09G2300/0842 , G09G2300/0861 , G09G2310/08
Abstract: A display substrate and a display panel are provided. The display substrate includes: a base substrate; and a plurality of sub-pixels. Each sub-pixel includes a light-emitting element and a pixel circuit; the pixel circuit includes a driving circuit, a data writing circuit, a first control circuit, a second control circuit, and a light-emitting control circuit; the driving circuit is configured to control the driving current flowing through the light-emitting element; the light-emitting control circuit is configured to apply the driving current to the light-emitting element; the first control circuit is configured to write a reference voltage into the driving circuit; the second control circuit is configured to write an initial voltage into the first electrode of the light-emitting element; and orthographic projections of at least part of pixel circuits of every two adjacent sub-pixels in a same row of sub-pixels on the base substrate are mirror-symmetrical.
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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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Patent Agency Ranking
公开(公告)号：US20230021680A1
公开(公告)日：2023-01-26
申请号：US17787943
申请日：2021-08-05
Inventor： Yongqian LI , Can YUAN
Abstract: A display substrate, including: a base, and a plurality of sub-pixels arranged on the base. At least one of the plurality of sub-pixels includes a pixel driving circuit and a light-emitting element electrically connected to the pixel driving circuit. The pixel driving circuit includes a plurality of transistors and at least one storage capacitor. In a direction perpendicular to the base, the display substrate includes: a semiconductor layer, a first metal layer, a second metal layer, a third metal layer and a fourth metal layer, which are sequentially arranged on the base. The semiconductor layer includes: an active layer of the plurality of transistors. The first metal layer includes at least a scanning line extending in a first direction, a gate electrode of the plurality of transistors, and a first capacitor electrode plate of the storage capacitor.
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公开(公告)号：US20220262886A1
公开(公告)日：2022-08-18
申请号：US17614301
申请日：2020-11-06
Inventor： Can YUAN , Yongqian LI , Zhidong YUAN , Meng LI , Xuelian CHENG
IPC: H01L27/32
Abstract: Provided are a display substrate and a preparation method therefor, and a display apparatus, which can not only avoid jumpers generated when a light-emitting device in a sub-pixel is electrically connected to a storage capacitor, in order to avoid the risk of crosstalk, but can also increase the pixel aperture ratio of the display substrate and increase the capacitance of the storage capacitor in a pixel driving circuit. The display substrate comprises: a base, and a pixel driving circuit and a bottom-emission-type light-emitting device which are arranged in a display region on the base and are located in each sub-pixel, wherein the light-emitting device comprises a first electrode connected to the pixel driving circuit; the pixel driving circuit comprises a first storage capacitor; the first storage capacitor comprises a first storage electrode and a second storage electrode which are arranged opposite each other; the first electrode is multiplexed as the first storage electrode; and the second storage electrode and the first electrode are both transparent electrodes.
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公开(公告)号：US20220165829A1
公开(公告)日：2022-05-26
申请号：US17433435
申请日：2020-11-13
Inventor： Can YUAN , Yongqian LI , Zhidong YUAN
Abstract: A display substrate comprises a pixel driving circuit and a bottom-emission light-emitting device that are disposed on a base and located in each sub-pixel in a display area. The light-emitting device includes a first electrode electrically connected to the pixel driving circuit. The pixel driving circuit includes a first storage capacitor and a second storage capacitor connected in parallel. The first storage capacitor includes a first storage electrode and a second storage electrode that are disposed oppositely, and the first electrode serves as the first storage electrode. The second storage capacitor includes the second storage electrode and a third storage electrode that are disposed oppositely. The second storage electrode is located between the first storage electrode and the third storage electrode. The first storage electrode is electrically connected to the third storage electrode. The first electrode, the second storage electrode, and the third storage electrode are all transparent electrodes.
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公开(公告)号：US20220102461A1
公开(公告)日：2022-03-31
申请号：US17427074
申请日：2020-12-29
Inventor： Zhidong YUAN , Can YUAN , Xuelian CHENG , Jing GAN , Meng LI
Abstract: A display device and a display panel (1) thereof, and a display panel (1) manufacturing method. The display panel (1) comprises: a substrate (10) and a light-emitting structure (20) located on the substrate (10). A pixel driving circuit (30) exists between the substrate (10) and the light-emitting structure (20) and comprises a storage capacitor (Cst); an orthogonal projection of the storage capacitor (Cst) on the substrate (10) at least partially overlaps an orthogonal projection of the light-emitting structure (20) on the substrate (10); the storage capacitor (Cst) comprises a first transparent polar plate (311) proximate to the substrate (10) and a second transparent polar plate (312) distant from the substrate (10); an orthogonal projection of the first transparent polar plate (311) on the substrate (10) is located within an orthogonal projection of the second transparent polar plate (312) on the substrate (10).
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公开(公告)号：US20220020324A1
公开(公告)日：2022-01-20
申请号：US17333483
申请日：2021-05-28
Inventor： Zhidong YUAN , Yongqian LI , Can YUAN , Pan XU
IPC: G09G3/3225 , G11C19/28
Abstract: A shift register unit and a driving method thereof, a gate driving circuit, and a display device. The shift register unit includes: an input circuit, a first capacitor circuit, an output circuit, an output pull-down circuit, a coupling circuit, and an inverter circuit. The inverter circuit is coupled to an input control terminal, a first node, a second node, and a first level signal input terminal, and a second level signal input terminal; and used to control to connect or disconnect the second node and the first level signal input under the control of the input control terminal and the first level signal input terminal; also used to control to connect or disconnect the second node and the second level signal input terminal under the control of the first node and the second level signal input terminal.
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