公开(公告)号：US20220375392A1

公开(公告)日：2022-11-24

申请号：US17771102

申请日：2021-05-20

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Yuhan QIAN ,  Libin LIU ,  Long HAN

IPC: G09G3/20 ,  G11C19/28

Abstract: A display panel and a display device. The display panel comprises a transition region, and further comprises: a base substrate; multiple pixel units located on the side of the base substrate and integrated in the transition region; and a first gate drive circuit located on the side of the base substrate facing the pixel units, integrated in the transition region, and comprising a first shift register unit and a first signal line group. The first signal line group comprises a first signal line segment group used for providing a drive signal for the first shift register unit. The base substrate comprises multiple integration portions which are located between orthographic projections of two adjacent pixel units in the same row on the base substrate.

公开(公告)号：US20220367730A1

公开(公告)日：2022-11-17

申请号：US17765289

申请日：2021-04-02

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Yuhan QIAN ,  Libin LIU

IPC: H01L29/786 ,  G09G3/20 ,  H01L27/12 ,  H01L29/66 ,  G11C19/28

Abstract: Provided are an array substrate and a fabrication method therefor, a shift register unit, and a display panel. The array substrate includes a first transistor having a double gate structure, and further includes an active layer arranged on one side of the base substrate and a first conductive layer. The active layer includes a first conductor portion connected between a first semiconductor portion and a second semiconductor portion, the first semiconductor portion and a second semiconductor portion forming a channel region of the first transistor. The first conductive layer includes a first conductive portion connected to a stable voltage source, an orthographic projection of the first conductive portion on the base substrate at least partially overlaps with an orthographic projection of the first conductor portion on the base substrate, and the first conducting portion and the first conductor portion form two electrodes of a parallel-plate capacitor.

公开(公告)号：US20220367596A1

公开(公告)日：2022-11-17

申请号：US17762692

申请日：2021-04-15

Applicant: BOE Technology Group Co., Ltd.

Inventor： Yipeng CHEN ,  Lujiang HUANGFU ,  Libin LIU

IPC: H01L27/32

Abstract: The present disclosure provides a display panel and a method of manufacturing the same and a display device. In a sub-pixel driving circuit of the display panel, a gate electrode of a driving transistor is coupled to a second electrode of a second transistor through a fourth conductive connection portion, and a second electrode plate of a storage capacitor is coupled to a second electrode of a first transistor through a third conductive connection portion, a gate electrode of the first transistor and a gate electrode of the second transistor are respectively coupled to a gate line pattern in the corresponding sub-pixel area; orthographic projection of the gate line pattern on the substrate does not overlap orthographic projection of the third conductive connecting portion on the substrate, and/or does not overlap orthographic projection of the fourth conductive connection portion on the substrate.

公开(公告)号：US20220328611A1

公开(公告)日：2022-10-13

申请号：US17435363

申请日：2021-03-15

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Jiangnan LU ,  Libin LIU ,  Jie ZHANG ,  Mei LI ,  Yuhan QIAN ,  Shiming SHI

IPC: H01L27/32 ,  H01L51/52 ,  H01L51/56

Abstract: The display substrate includes: a substrate, an auxiliary cathode layer, a first insulating layer, an anode layer, a second insulating layer, and a cathode layer that are sequentially stacked on the substrate in a direction away from the substrate; the anode layer includes a plurality of anode patterns spaced apart from each other, and an anode spacing area is formed between adjacent anode patterns; an orthographic projection of the auxiliary cathode layer on the substrate and an orthographic projection of the cathode layer on the substrate have an auxiliary overlapping area, and the auxiliary cathode layer is electrically connected to the cathode layer through a connection via hole in the auxiliary overlapping area; an orthographic projection of the connection via hole on the substrate is located inside the orthographic projection of the anode spacing area on the substrate.

公开(公告)号：US20220302240A1

公开(公告)日：2022-09-22

申请号：US17263257

申请日：2020-07-23

Applicant: BOE Technology Group Co., Ltd.

Inventor： Jie ZHANG ,  Libin LIU

IPC: H01L27/32 ,  H01L51/56 ,  G09G3/3233 ,  G09G3/3266

Abstract: The present disclosure discloses a display panel, a preparation method thereof and a display device. A first conducting layer includes a first electrode layer, a second conducting layer includes a second electrode layer, a third conducting layer includes a third electrode layer, an orthographic projection of the first electrode layer on a base substrate, an orthographic projection of the second electrode layer on the base substrate and an orthographic projection of the third electrode layer on the base substrate have an overlap region with one another, in this way, the first electrode layer and the third electrode layer may be electrically connected with each other to serve as one electrode of a storage capacitor, the second electrode layer may serve as another electrode of the storage capacitor, thus the storage capacitor may be formed in a sandwich capacitor mode, and a capacitance value of the storage capacitor may be increased.

公开(公告)号：US20220216290A1

公开(公告)日：2022-07-07

申请号：US17507590

申请日：2021-10-21

Applicant: BOE Technology Group Co., Ltd.

Inventor： Can ZHENG ,  Libin LIU ,  Shiming SHI ,  Zewen BO

IPC: H01L27/32

Abstract: The present disclosure discloses a display substrate and a display device. The display substrate comprises: a display area, a binding area, and a fan-out area located between the display area and the binding area, the fan-out area comprises a touch control lead wire, a data lead wire, and at least one shielded wire located between the touch control lead wire and the data lead wire, and the at least one shielded wire is grounded or connected to a fixed potential.

公开(公告)号：US20220189401A1

公开(公告)日：2022-06-16

申请号：US17598999

申请日：2021-01-14

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Tian DONG ,  Libin LIU

IPC: G09G3/3233 ,  G09G3/3291

Abstract: Embodiments of the present disclosure provide a pixel circuit, a display substrate, a display device and a pixel driving method. In the pixel circuit, a threshold compensation circuit is coupled to a third control signal line, a control electrode of a driving transistor, first and second electrodes of the driving transistor, a first power terminal and a fixed voltage terminal, and is configured to acquire a threshold voltage of the driving transistor, and apply first and second control voltages respectively to the control and second electrodes of the driving transistor in response to the control of a second control signal line and the control of the third control signal line, and a difference between the first control voltage and the second control voltage is related to the threshold voltage of the driving transistor. Thus, the compensation for the threshold voltage and the power supply voltage can be realized.

公开(公告)号：US20220115417A1

公开(公告)日：2022-04-14

申请号：US17265742

申请日：2020-04-30

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Xueyan TIAN ,  Jianchao ZHU ,  Libin LIU ,  Liangjian LI ,  Caiyu QU ,  Dengyun CHEN ,  Ximeng LI

IPC: H01L27/12 ,  H01L27/02

Abstract: A glossy display panel, a manufacturing method thereof and a display device are provided. The glossy display panel includes a display area and a non-display area; wherein the non-display area includes a binding area, and the glossy display panel includes a first conductive pattern located on a base substrate and located in the binding area; a first insulating layer covering the first conductive pattern, wherein the first insulating layer is provided with a first via hole, and an orthographic projection of the first via hole onto the base substrate is located within an orthographic projection of the first conductive pattern onto the base substrate; a glossy reflection layer, wherein an orthographic projection of the glossy reflection layer onto the base substrate does not overlap with an orthographic projection of the binding area onto the base substrate; and a chip on film.

公开(公告)号：US20220101788A1

公开(公告)日：2022-03-31

申请号：US17424478

申请日：2021-01-05

Applicant: BOE Technology Group Co., Ltd.

Inventor： Lujiang HUANGFU ,  Tian DONG ,  Libin LIU ,  Xinshe YIN

IPC: G09G3/3233 ,  G09G3/3266 ,  G09G3/3291

Abstract: The present disclosure provides a pixel circuit, a pixel driving method and a display device. The pixel circuit includes a driving circuit, an energy storage circuit and a switch control circuit. A first end of the energy storage circuit is coupled to a control end of the driving circuit, a second end of the energy storage circuit is coupled to a first end of the driving circuit via the switch control circuit, and the energy storage circuit is configured to store a voltage. The switch control circuit is configured to control the second end of the energy storage circuit to be electrically coupled to a voltage application end or the first end of the driving circuit under the control of a light-emission control signal from a light-emission control line. The driving circuit is configured to generate a driving current in accordance with a voltage between the control end and first end of the driving circuit.

公开(公告)号：US20210174739A1

公开(公告)日：2021-06-10

申请号：US16830775

申请日：2020-03-26

Applicant: BOE Technology Group Co., Ltd.

Inventor： Jiangnan LU ,  Libin LIU

IPC: G09G3/3225 ,  G09G3/3275

Abstract: The disclosure discloses a display panel and a display device. Each data writing circuit includes: a first sub-data writing transistor, a second sub-data writing transistor and a distributed capacitor; a gate of the first sub-data writing transistor and a gate of the second sub-data writing transistor are both electrically connected with a corresponding scanning signal line, a first end of the first sub-data writing transistor is electrically connected with a corresponding data line, a second end of the first sub-data writing transistor is electrically connected with a first end of the second sub-data writing transistor, a second end of the second sub-data writing transistor is electrically connected with a gate of the driving transistor, and a first electrode of the distributed capacitor is electrically connected with the second end of the first sub-data writing transistor, and a second electrode of the distributed capacitor is electrically connected with a fixed voltage signal end.