公开(公告)号：US10403200B2

公开(公告)日：2019-09-03

申请号：US15038219

申请日：2015-12-10

Applicant: BOE TECHNOLOGY GROUP CO., LTD

Inventor： Xiaowei Xu ,  Libin Liu

IPC: H01L27/32 ,  H01L51/00 ,  H01L51/52 ,  G09G3/3233

Abstract: In accordance with various embodiments of the disclosed subject matter, a transparent display panel and a related display device are provided. In some embodiments, a transparent display panel is provided, the transparent display panel comprises: a first region and a second region, wherein the first region comprises a plurality of first display units, the second region comprises a plurality of second display units, a transmission rate of the one of the plurality of first display units is higher than a transmission rate of the one of the plurality of second display units, and a luminance rate of the one of the plurality of first display units is lower than a luminance rate of the one of the plurality of second display units.

公开(公告)号：US10127864B2

公开(公告)日：2018-11-13

申请号：US15552409

申请日：2017-03-29

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Hui Zhao ,  Libin Liu ,  Lei Hu ,  Wenjing Tan

IPC: G09G5/10 ,  G09G3/3291 ,  G09G3/3233 ,  H05K1/18

Abstract: A circuit structure includes: a control circuit, including a first end, a second end and a control end; a switching circuit, including a first interface, a second interface and a control interface; a driving power line, connected with the control end of the control circuit and configured to provide a driving power voltage in a working stage to conduct the first end of the control circuit and the second end of the control circuit; and a first voltage line, connected with the first end of the control circuit and configured to, when the first end of the control circuit and the second end of the control circuit are conducted, provide a first voltage to the control interface of the switching circuit through the control circuit to disconnect the first interface of the switching circuit from the second interface of the switching circuit.

公开(公告)号：US10002847B2

公开(公告)日：2018-06-19

申请号：US15126564

申请日：2015-09-22

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Libin Liu ,  Deming Liu

IPC: H01L25/04 ,  H01L27/32 ,  H01L51/56 ,  H01L51/52 ,  H01L51/00

CPC classification number: H01L25/048 ,  H01L27/32 ,  H01L27/3246 ,  H01L27/326 ,  H01L27/3267 ,  H01L27/3276 ,  H01L27/3283 ,  H01L27/3286 ,  H01L27/3288 ,  H01L51/0023 ,  H01L51/5203 ,  H01L51/5215 ,  H01L51/5234 ,  H01L51/5237 ,  H01L51/5284 ,  H01L51/56 ,  H01L2251/5323

Abstract: An OLED pixel unit is disclosed, which comprises an opaque region and a transparent region which are arranged side by side, the opaque region comprises an opaque display element, and the transparent region comprises at least one transparent display element. Independent operation of the opaque display element and the transparent display element is realized without affecting the transparent display in the transparent region of the OLED pixel unit, thus increasing the resolution of the OLED pixel unit. A transparent display device comprising the OLED pixel unit, a method for fabricating a transparent display device, and a display apparatus are further disclosed.

公开(公告)号：US09991322B2

公开(公告)日：2018-06-05

申请号：US15122887

申请日：2015-09-29

Applicant: Boe Technology Group Co., Ltd.

Inventor： Libin Liu ,  Xiaowei Xu ,  Liangjian Li

IPC: H01L27/32 ,  H01L51/56

CPC classification number: H01L27/3246 ,  H01L27/32 ,  H01L27/3276 ,  H01L51/56 ,  H01L2227/323

Abstract: The present invention discloses an organic light emitting display panel and manufacturing method thereof and a display device, which can reduce the critical dimension bias of the pixel defining layer and improve the display uniformity. The organic light emitting display panel provide by the present invention comprises: a pixel defining layer, which is provided with a plurality of light emitting material filling areas, being characterized by further comprising: a metal layer provided on the pixel defining layer; the metal layer is provided with openings corresponding to the light emitting material filling areas respectively. The solutions provided by the present invention are used to improve the display effect of the organic light emitting display device.

公开(公告)号：US12243970B2

公开(公告)日：2025-03-04

申请号：US17628425

申请日：2021-02-03

Applicant: BOE Technology Group Co., Ltd.

Inventor： Long Han ,  Pinfan Wang ,  Fangxu Cao ,  Wenqiang Li ,  Libin Liu

IPC: H01L27/12 ,  H01L27/15 ,  H01L29/786 ,  H01L33/62

Abstract: A display substrate and a display device. The display substrate includes: a plurality of pixel islands, a first opening, a second opening and a first passage region. Each pixel island includes at least one pixel, each pixel includes a plurality of first driving lines, the first passage region is provided with a plurality of first connection lines, each of the plurality of pixel islands further includes a plurality of transfer lines, and the plurality of transfer lines are arranged in different layers from the plurality of first driving lines and cross each other to form a plurality of overlapping regions; the plurality of transfer lines are electrically connected with the plurality of first driving lines through via holes located in part of the overlapping regions, and the transfer lines in two adjacent pixel islands are respectively connected with the plurality of first connection lines in the first passage region.

公开(公告)号：US12236867B2

公开(公告)日：2025-02-25

申请号：US17789174

申请日：2021-09-30

Applicant: BOE Technology Group Co., Ltd.

Inventor： Lujiang Huangfu ,  Li Wang ,  Jianchao Zhu ,  Libin Liu ,  Yu Feng

IPC: G09G3/3233

Abstract: A pixel driving circuit is provided. The pixel driving circuit includes a storage capacitor (Cst) having a first capacitor electrode (Ce1) and a second capacitor electrode (Ce2); a driving transistor (Td) configured to generate a driving current; and a switch (SW) configured to control connection or disconnection between a gate electrode of the driving transistor (Td) and the first capacitor electrode (Ce1).

公开(公告)号：US12223908B2

公开(公告)日：2025-02-11

申请号：US18262598

申请日：2022-08-24

Applicant: BOE Technology Group Co., Ltd.

Inventor： Zhenzhen Shan ,  Libin Liu ,  Jiangnan Lu ,  Shiming Shi

IPC: G09G3/3258 ,  G09G3/32 ,  G09G3/3233 ,  G09G3/3266 ,  G11C19/28 ,  H01L27/12 ,  H01L21/77

Abstract: A display substrate includes a pixel driving circuit, which includes a driving circuit, a storage circuit and a reset circuit. The reset circuit is electrically connected to a first terminal of the driving circuit. The driving circuit is used to conduct a path between the first terminal and a second terminal of the driving circuit under the control of a potential at its control terminal. The storage circuit is electrically connected to the control terminal of the driving circuit. The reset circuit includes a first capacitor. The storage circuit includes a second capacitor. An area of an overlap between orthographic projections of a first electrode plate and a second electrode plate of the first capacitor on the base substrate is smaller than that of the second capacitor on the base substrate.

公开(公告)号：US12205540B2

公开(公告)日：2025-01-21

申请号：US17764395

申请日：2021-03-18

Applicant: BOE Technology Group Co., Ltd.

Inventor： Jiangnan Lu ,  Guangliang Shang ,  Xinshe Yin ,  Libin Liu ,  Jianchao Zhu ,  Hao Zhang ,  Ke Feng

IPC: G09G3/3233 ,  G09G3/3258 ,  G09G3/3266 ,  G09G3/36 ,  G11C19/28

Abstract: A shift register unit, a driving method thereof, a gate driving circuit and a display panel are provided. The shift register unit includes an input circuit, a reset circuit, a first output circuit and a second output circuit; the input circuit is configured to control a level of a first node in response to a first input signal; the reset circuit is configured to reset the first node in response to a reset signal; the first output circuit is configured to output a shift signal under control of the level of the first node; and the second output circuit is configured to, in a first phase, under control of the level of the first node, output a plurality of sub-pulses at the first output terminal as a first output signal in a case where the shift output terminal outputs a first level of the shift signal.

公开(公告)号：US20250006133A1

公开(公告)日：2025-01-02

申请号：US18264043

申请日：2022-11-30

Applicant: BOE Technology Group Co., Ltd.

Inventor： Yu Feng ,  Libin Liu ,  Shiming Shi

IPC: G09G3/3266 ,  G09G3/32

Abstract: A driving circuit is provided. The driving circuit includes one or more scan circuits; wherein the one or more scan circuits comprise a first scan circuit; wherein the first scan circuit comprises a plurality of first scan sub-circuits; and at least two first scan sub-circuits of the plurality of first scan sub-circuits are configured to drive two display sub-areas of a plurality of display sub-areas of a display area with two different driving frequencies in at least one frame of image, respectively.

公开(公告)号：US12131698B2

公开(公告)日：2024-10-29

申请号：US17638720

申请日：2021-02-18

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Yuhan Qian ,  Libin Liu

IPC: H01L27/14 ,  G09G3/3233 ,  H10K59/131 ,  H10K71/00 ,  H10K59/12

CPC classification number: G09G3/3233 ,  H10K59/131 ,  H10K71/00 ,  G09G2300/0426 ,  G09G2300/0819 ,  G09G2300/0842 ,  H10K59/1201

Abstract: A pixel driving circuit includes a first thin film transistor having a double-gate structure, a conductive layer and a second thin film transistor. The first thin film transistor includes a first active layer. The first active layer includes a first and second semiconductor portions and a conductor portion located therebetween. The conductor portion has a first doping concentration. The conductive layer is at least partially opposite to the conductor portion, so that the conductive layer and the conductor portion form a capacitor. The conductive layer is configured to electrically connect to an initial voltage terminal. The second thin film transistor includes a second active layer and a first gate. A portion of the second active layer directly opposite to the first gate has a second doping concentration, and the second doping concentration is lower than the first doping concentration.