Patents Assigned to BOE Technology
-
Patent number: 12235550Abstract: A display panel and a display device are provided. The display panel includes: an array substrate, a cell-assembling substrate, and a liquid crystal layer located therebetween. The array substrate includes a first base, and the first base comprises sub-pixel regions (A), a first trace region (B) located between two adjacent rows of sub-pixel regions (A), and a second trace region (C) located between two adjacent columns of sub-pixel regions (A). Gate lines (1) are located in the first trace region (B). Data lines (2) are located in the second trace region (C), each data line (2) has a support portion (21), and the support portion (21) is located in an intersection region of the first trace region (B) and the second trace region (C). Sub-pixel units are located in the sub-pixel region (A), and the sub-pixel units includes a common electrode (4).Type: GrantFiled: October 22, 2021Date of Patent: February 25, 2025Assignees: Beijing BOE Display Technology Co., Ltd., BOE Technology Group Co., Ltd.Inventors: Lingdan Bo, Yingying Qu, Dongchuan Chen, Jianhua Huang, Ting Dong, Yifu Chen, Chongyang Zhao, Jiantao Liu
-
Patent number: 12238976Abstract: The disclosure provides a display panel and a display device. The display panel includes: a base substrate, a transistor array layer, a pixel defining layer, touch electrodes. The area of opening region of first color sub-pixel is smaller than that of opening region of third color sub-pixel, the area of opening region of second color sub-pixel is smaller than that of opening region of third color sub-pixel. An orthogonal projection of second capacitor in first color sub-pixel and an orthogonal projection of touch electrodes have a first auxiliary overlap area, an orthogonal projection of second capacitor in second color sub-pixel and orthogonal projection of the touch electrodes have a second auxiliary overlap area, an orthogonal projection of second capacitor in third color sub-pixel and orthogonal projection of touch electrodes have a third auxiliary overlap area. The first and/or second auxiliary overlap area is larger than the third auxiliary overlap area.Type: GrantFiled: March 4, 2024Date of Patent: February 25, 2025Assignees: Beijing BOE Technology Development Co., Ltd., BOE Technology Group Co., Ltd.Inventors: Jianbo Xian, Chen Xu, Pan Li, Yong Qiao, Xinyin Wu
-
Patent number: 12238969Abstract: The present disclosure provides a display substrate, a method for manufacturing the same, and a display device. The display substrate includes a drive circuit layer disposed on a base substrate and a light emitting structure layer disposed on a side of the drive circuit layer away from the base substrate. The light emitting structure layer includes an anode, an organic light emitting layer, a cathode, and an auxiliary electrode. The organic light emitting layer is respectively connected to the anode and the cathode, and the cathode is connected to the auxiliary electrode; in a plane parallel to the display substrate, an edge of the auxiliary electrode is provided with a structure depressed towards a center of the auxiliary electrode.Type: GrantFiled: February 26, 2021Date of Patent: February 25, 2025Assignees: Hefei Xinsheng Optoelectronics Technology Co., Ltd., BOE Technology Group Co., Ltd.Inventors: Tongshang Su, Bin Zhou, Jun Cheng, Qinghe Wang, Yongchao Huang, Dacheng Zhang, Liangchen Yan
-
Patent number: 12236846Abstract: Provided is a drive circuit including a power supply circuit, an adapter circuit board, and a voltage regulation circuit. The power supply circuit is coupled to the adapter circuit board and configured to transmit a power supply voltage to the adapter circuit board. The adapter circuit board is coupled to the plurality of light-emitting elements by wirings and configured to transmit the power supply voltage to each of the light-emitting elements. The voltage regulation circuit is coupled to the power supply circuit and configured to regulate, according to an ideal operating voltage corresponding to an operating current of each of the light-emitting elements under a target grayscale and a wiring voltage drop on the wiring coupled to each of the light-emitting elements, a magnitude of the power supply voltage output by the power supply circuit, in the case that the display panel displays a picture of the target grayscale.Type: GrantFiled: November 26, 2021Date of Patent: February 25, 2025Assignees: BOE MLED Technology Co., Ltd., BOE Technology Group Co., Ltd.Inventors: Shicai Cao, Zhitao Zhang, Xiurong Wang, Tao Yang, Mengmeng Wang
-
Patent number: 12236880Abstract: A pixel driving circuit is provided. The pixel driving circuit includes a light emission control circuit and a drive circuit. The light emission control circuit controls a potential of a control terminal of the drive circuit under the control of a coupled signal terminal, and the drive circuit drives a coupled light-emitting element to emit light based on the potential of the control terminal thereof. The drive circuit includes two drive transistors connected in parallel, and subthreshold swings of the two drive transistors are different.Type: GrantFiled: May 23, 2023Date of Patent: February 25, 2025Assignee: BOE Technology Group Co., Ltd.Inventors: Ran Li, Xueyan Tian, Hongwei Tian, Tuo Sun, Xiyu Zhao
-
Publication number: 20250061846Abstract: A pixel circuit includes a driving circuit, a control circuit and a gating circuit. The driving circuit is configured to control, under control of a scan signal and a signal received at an enable signal control terminal, on and off of a current path for transmitting a driving current signal. The control circuit is configured to transmit, under control of a control signal received at a control signal terminal, a first enable signal received at a first enable signal terminal or a second enable signal received at a second enable signal terminal to a first node. The gating circuit is configured to transmit, in response to an enable signal received at the first node, a first constant voltage signal received at the first constant voltage signal terminal or a second constant voltage signal received at the second constant voltage signal terminal to the enable signal control terminal.Type: ApplicationFiled: November 6, 2024Publication date: February 20, 2025Applicants: Beijing BOE Display Technology Co., Ltd., BOE Technology Group Co., Ltd.Inventors: Ning CONG, Can ZHANG, Minghua XUAN, Jinfei NIU, Can WANG, Jingjing ZHANG, Jiakui YAN
-
Patent number: 12232355Abstract: A display panel is provided. The display panel includes: a substrate, and a light-emitting device, an encapsulation layer and an auxiliary barrier which are disposed on the substrate. The light-emitting device is disposed in a display area, and the auxiliary barrier is disposed in a non-display area. A height of the auxiliary barrier is greater than a distance between a side of the encapsulation layer away from the substrate and the substrate.Type: GrantFiled: February 21, 2022Date of Patent: February 18, 2025Assignees: MIANYANG BOE OPTOELECTRONICS TECHNOLOGY CO., Ltd., BOE Technology Group Co., Ltd.Inventors: Tao Chen, Hsinju Ho, Honglei Hai, Fenggang Zhang
-
Patent number: 12232373Abstract: A display substrate, including: a display region, a pad bending region, and a first transition region located between the display region and the pad bending region, wherein the display region is provided with a signal line layer; the pad bending region is provided with a first wire layer; the first transition region is provided with a first connecting layer; the first connecting layer is provided with a first step formed by at least one inorganic insulation layer; the signal line layer is electrically connected to the first connecting layer by means of a first through hole provided in the first step; and the first wire layer is electrically connected to the first connecting layer.Type: GrantFiled: October 29, 2020Date of Patent: February 18, 2025Assignees: Chengdu BOE Optoelectronics Technology Co., Ltd., BOE Technology Group Co., Ltd.Inventors: Taoran Zhang, Da Zhou, Wenjun Liao
-
Patent number: 12230695Abstract: The present disclosure provides a display substrate and a manufacturing method thereof, and a display device, belongs to the field of display technology. The method includes forming a first thin film transistor, which includes: forming a first gate of the first thin film transistor on a base substrate through a patterning process; forming a first gate insulating layer on a side of the first gate distal to the base substrate; sequentially forming a first semiconductor material layer, a second gate insulating layer and a second gate metal layer on a side of the first gate insulating layer distal to the base substrate, and forming a pattern including an active layer of the first thin film transistor, a pattern of the second gate insulating layer and a second gate of the first thin film transistor through a patterning process.Type: GrantFiled: June 21, 2023Date of Patent: February 18, 2025Assignee: BOE Technology Group Co., Ltd.Inventor: Meng Zhao
-
Patent number: 12232375Abstract: A display panel includes a substrate and a light-emitting structure layer, wherein the light-emitting structure layer includes an anode layer, a light-emitting layer, and a cathode layer that are sequentially stacked on the substrate; the cathode layer has a patterned area which is disposed in a light-transmitting display area of the display panel; the patterned area includes a plurality of cathode structures which are spaced apart from each other; an orthographic projection of each of the cathode structures onto the substrate covers an orthographic projection of the light-emitting structure of at least one OLED device onto the substrate.Type: GrantFiled: September 17, 2021Date of Patent: February 18, 2025Assignees: Chengdu BOE Optoelectronics Technology Co., Ltd., BOE Technology Group Co., Ltd.Inventors: Weiyun Huang, Yuanyou Qiu, Yao Huang, Tianyi Cheng, Yue Long, Meng Zhao
-
Patent number: 12229360Abstract: A display panel, including an active area and a peripheral area, which is located outside of the active area, wherein the active area comprises a base substrate, and a display structure layer and a touch structure layer sequentially arranged on the base substrate; the peripheral area includes an isolation dam, a first ground trace and a second ground trace arranged on the base substrate; and the first ground trace is located at a side of the isolation dam close to the active area, and the second ground trace is located at a side of the isolation dam away from the active area.Type: GrantFiled: January 9, 2023Date of Patent: February 18, 2025Assignees: Chengdu BOE Optoelectronics Technology Co., Ltd., BOE Technology Group Co., Ltd.Inventors: Chang Luo, Xiping Li, Hongwei Ma, Ming Hu, Wei He, Youngyik Ko, Haijun Qiu, Yi Zhang, Taofeng Xie, Tianci Chen, Qun Ma, Xinghua Li, Ping Wen, Yang Zhou, Yuanqi Zhang, Xiaoyan Yang, Shun Zhang, Pandeng Tang, Yang Zeng, Tong Zhang, Xiaofei Hou, Zhidong Wang, Haoyuan Fan, Jinhwan Hwang
-
Patent number: 12232358Abstract: An organic electroluminescent display module and a manufacturing method therefor, and a display device. The organic electroluminescent display module comprises: a base substrate, an organic electroluminescent device, and a light absorption layer; the organic electroluminescent device is on the base substrate, and the light absorption layer is on the side of the organic electroluminescent device away from the base substrate; the light absorption layer comprises a modified color filtering layer, or a color filtering layer and a modified optically clear adhesive layer on one side of the color filtering layer; the modified color filtering layer at least comprises a red modified layer, a green modified layer, and a blue modified layer; the red modified layer, the green modified layer, and the blue modified layer are all provided with nanoparticles for absorbing ambient light; and the modified optically clear adhesive layer is provided with nanoparticles for absorbing ambient light.Type: GrantFiled: June 1, 2021Date of Patent: February 18, 2025Assignees: Chengdu BOE Optoelectronics Technology Co., Ltd., BOE Technology Group Co., Ltd.Inventors: Jian He, Yu Zhang, Feng Xiao
-
Patent number: 12230216Abstract: A scan circuit having a plurality of stages is provided. A respective stage includes a respective scan unit configured to provide a control signal to at least a row of subpixels. The respective scan unit includes an input subcircuit configured to receive a start signal or an output signal from a previous scan unit, a first processing subcircuit, a second processing subcircuit, and an output subcircuit. The output subcircuit includes a first output transistor. The input subcircuit includes a first input transistor and a second input transistor sequentially coupled between an input terminal and a first node. The first node is coupled to a gate electrode of the first output transistor. The first processing subcircuit includes a first switch transistor and a second switch transistor coupled between the first node and a first reference terminal. The first reference terminal is configured to receive a first reference signal.Type: GrantFiled: May 31, 2022Date of Patent: February 18, 2025Assignee: BOE Technology Group Co., Ltd.Inventors: Jiangnan Lu, Zhenzhen Shan, Jianchao Zhu, Guangliang Shang, Xing Yao
-
Patent number: 12229373Abstract: Provided is a liquid crystal handwriting panel. The liquid crystal handwriting panel includes: a first substrate and a second substrate that are opposite to each other, and a liquid crystal layer between the first substrate and the second substrate; wherein the first substrate includes: a first base substrate, a touch electrode layer on a side of the first base substrate, and a first drive electrode layer on a side of the first base substrate; the second substrate includes: a second base substrate, a second drive electrode layer on a side of the second base substrate, and a shielding layer on a side of the second base substrate.Type: GrantFiled: October 28, 2021Date of Patent: February 18, 2025Assignees: Beijing BOE Optoelectronics Technology Co., Ltd., BOE Technology Group Co., Ltd.Inventors: Xiaojuan Wu, Xiuliang Wang, Jian Wang, Yu Zhao, Yang Ge, Jiaxing Wang, Yao Bi, Jinshuai Duan, Hongliang Yuan, Tianyang Han
-
Patent number: 12232343Abstract: An organic light emitting device, a preparation method therefor, and a display apparatus are provided. The organic light emitting device includes an anode, a cathode, and a light emitting layer and an electron transport layer arranged between the anode and the cathode. The electron transport layer is arranged between the light emitting layer and the cathode. The electron transport layer includes a first host material and a second host material. A mixing ratio of the first host material to the second host material of one side of the electron transport layer close to the light emitting layer is different from a mixing ratio of the first host material to the second host material of one side of the electron transport layer away from the light emitting layer.Type: GrantFiled: April 26, 2021Date of Patent: February 18, 2025Assignee: BOE Technology Group Co., Ltd.Inventors: Zhihui Zhang, Yan Fan, Xing Fan, Shu Jing, Huameng Liu, Kuo Shen
-
Patent number: 12229893Abstract: An information interaction method, a computer-readable storage medium and a communication terminal are disclosed. The information interaction method is applied to a local terminal, and includes: in a process of a video call with a remote terminal, in response to a first interaction instruction, performing split-screen display on a display screen of the local terminal to form at least a first split screen for displaying an interface of the video call and a second split screen for displaying a shopping interface; in response to a first selection instruction, acquiring an image of a commodity corresponding to the first selection instruction, with the first selection instruction being an instruction of selecting the commodity from the shopping interface; and displaying a synthesized image obtained by performing image synthesis on the image of the commodity and at least a part of images in the interface of the video call.Type: GrantFiled: March 30, 2021Date of Patent: February 18, 2025Assignees: Beijing BOE Technology Development Co., Ltd., BOE TECHNOLOGY GROUP CO., LTD.Inventors: Ken Wen, Mingyuan Ma, Yongda Ma, Honglei Zhang
-
Patent number: 12227133Abstract: Provided are an anti-dazzling display device, an anti-dazzling display method, and an interior rearview mirror. The anti-dazzling display device includes a sensor unit, a display unit, and an anti-dazzling unit on a light exit side of the display unit. The anti-dazzling unit is configured to adjust a reflectivity of incident ambient light and a transmittance of image light exited from the display unit in response to a light intensity of ambient light sensed by the sensor unit.Type: GrantFiled: February 10, 2021Date of Patent: February 18, 2025Assignees: Beijing BOE Technology Development Co., Ltd., BOE Technology Group Co., Ltd.Inventor: Wenbo Li
-
Patent number: 12232374Abstract: Embodiments of this disclosure provide a display substrate and a display device. The display substrate includes: sub-pixels located on a base substrate; a first conductive layer located on one side of the base substrate, and including signal lines sequentially disposed in a first direction and extending towards a second direction, and signal line bulges and anode adaptor parts located on the same side of the signal line and disposed alternately; and anodes located between the first conductive layer and a pixel defining layer. Each anode includes an effective part exposed by a corresponding sub-pixel opening, the effective parts of at least part of the sub-pixels have overlapping regions with the signal line bulges and the anode adaptor parts in the second direction, and the second direction is perpendicular to the first direction.Type: GrantFiled: August 31, 2020Date of Patent: February 18, 2025Assignees: Chengdu BOE Optoelectronics Technology Co., Ltd., BOE Technology Group Co., Ltd.Inventors: Tinghua Shang, Yi Zhang, Haigang Qing, Pengfei Yu, Yang Zhou
-
Patent number: 12231131Abstract: An integrated circuit is provided. The integrated circuit includes: a clock source configured to: generate a clock signal of the integrated circuit; at least two functional circuits; and at least two clock generators corresponding to the functional circuits and configured to: determine initial phases of the corresponding functional circuits, and generate clock signals of the functional circuits based on the clock signal of the integrated circuit and the initial phases, so as to keep the clock signals of all the functional circuits synchronized, wherein the initial phases are determined based on transmission distances, over which the clock signal of the integrated circuit is transmitted from the clock source to the functional circuits, and loads of the functional circuits.Type: GrantFiled: October 31, 2023Date of Patent: February 18, 2025Assignees: Beijing BOE Technology Development Co., Ltd., BOE Technology Group Co., Ltd.Inventors: Xiangye Wei, Liming Xiu
-
Patent number: 12232400Abstract: Provided are a display panel and a method for manufacturing the same, and a display device. The display panel includes: a base substrate including a display area and a peripheral area; a separator located at the peripheral area and including at least one separation portion, each separation portion including a first and a second separation layer, and the orthographic projection of the first separation layer on the base substrate is within that of the second separation layer; a cathode including: a first cathode portion, and a second cathode apart from the first cathode portion; and an encapsulation layer including a first and a second inorganic layer, and an organic layer located between the first and the second inorganic layer, wherein edges of the orthographic projections of the first inorganic layer, the organic layer, and the second inorganic layer on the base substrate overlap.Type: GrantFiled: April 29, 2021Date of Patent: February 18, 2025Assignees: Hefei BOE Joint Technology Co., Ltd., BOE Technology Group Co., Ltd.Inventors: Pan Xu, Zhidong Yuan, Yongqian Li, Can Yuan