Patents Assigned to BOE Technology Group Co., Ltd.
  • Publication number: 20230306911
    Abstract: Disclosed are a pixel circuit, a driving method of the pixel circuit and a display device, the pixel circuit including a reset unit, a voltage writing unit and a light-emitting control unit, the reset unit is connected to a reset control signal terminal, and resets the pixel circuit under the control of the reset control signal; the voltage writing unit stores a data signal and a threshold voltage of a driving transistor under the control of the scan control signal; the light-emitting control unit is connected to a light-emitting control signal terminal and includes the driving transistor, and use the data signal and the threshold voltage to generate a current under control of the light-emitting control signal; the light-emitting control unit includes a first type transistor, the reset unit and the voltage writing unit include a second type transistor different from the first type transistor.
    Type: Application
    Filed: May 29, 2023
    Publication date: September 28, 2023
    Applicant: BOE TECHNOLOGY GROUP CO., LTD.
    Inventor: Can ZHENG
  • Publication number: 20230301143
    Abstract: A display apparatus is provided, including a plurality of light-emitting units disposed on a substrate. Each light-emitting unit includes a first electrode layer, an organic light-emitting layer and a second electrode layer arranged in sequence along a first direction, and has a first light-emitting region, an island-shaped region and a second light-emitting region continuously arranged in sequence along a second direction. The first direction is a direction perpendicular to the substrate, and the second direction is a direction parallel to the substrate. The first electrode layer continuously extends in the first light-emitting region, the island-shaped region and the second light-emitting region, and the first electrode layer is formed with a first protrusion portion in the island-shaped region.
    Type: Application
    Filed: May 19, 2023
    Publication date: September 21, 2023
    Applicant: BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Lujiang Huangfu, Xing Fan, Hao Gao, Hao Zhang, Qiuhua Meng, Na Li, Yansong Li
  • Publication number: 20230292537
    Abstract: A light-emitting device that emits green light includes a first electrode and a second electrode that are arranged in sequence, and a light-emitting layer disposed between the first electrode and the second electrode, the light-emitting layer includes a first host material and a second host material; the first host material and the second host material form an exciplex, a difference between a lowest unoccupied molecular orbital (LUMO) energy level of the first host material and a LUMO energy level of the second host material is greater than or equal to 0.5 eV, under a same test condition, a difference between an order of magnitude of a hole mobility of the first host material and an order of magnitude of an electron mobility of the second host material is greater than or equal to 1.
    Type: Application
    Filed: November 22, 2021
    Publication date: September 14, 2023
    Applicant: BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Kun MA, Rongrong GAO, Dan WANG
  • Publication number: 20230282170
    Abstract: A display substrate and a display device. The display substrate includes: a base substrate; and a gate driving circuit; the gate driving circuit includes a plurality of shift register circuits; each shift register circuit includes: an input circuit, a control circuit, an output circuit, and an output noise reduction circuit; the control circuit includes a first transistor, a second transistor, and a third transistor; the control circuit is connected to the first node, a second node and a third node; at least two selected from group consisting of an active layer of the first transistor, an active layer of the second transistor, and an active layer of the third transistor extend in a first direction and are arranged in the first direction.
    Type: Application
    Filed: February 24, 2022
    Publication date: September 7, 2023
    Applicant: BOE Technology Group Co., Ltd.
    Inventors: Guangliang Shang, Libin Liu, Li Wang, Yu Feng, Baoyun Wu
  • Publication number: 20230276653
    Abstract: A light emitting diode and a display device including the light emitting diode. The light emitting diode includes a first electrode, a quantum dot light emitting layer, a carrier transport layer and a second electrode, in which the light emitting diode further includes a metal transition layer located between the carrier transport layer and the second electrode, and the second electrode includes a transparent conductive oxide material.
    Type: Application
    Filed: May 4, 2023
    Publication date: August 31, 2023
    Applicant: BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Gang YU, Zhuo CHEN
  • Publication number: 20230273760
    Abstract: An image processing method includes: using image data of a first image as image data of a base region, wherein the first image has a first resolution; and generating, based on the image data of the first image, image data of an extended region according to extension policies, so as to obtain image data of a second image including the image data of the base region and the image data of the extended region, wherein the second image has a second resolution, and the first resolution is less than the second resolution.
    Type: Application
    Filed: November 10, 2021
    Publication date: August 31, 2023
    Applicant: BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Lihua GENG, Xitong MA, Ran DUAN, Xiaodong SHI
  • Publication number: 20230269410
    Abstract: A method for transmitting data streams, applicable to a stream distributing device including a plurality of transmitters, includes: acquiring a data stream to be transmitted; acquiring, from the data stream, a plurality of data segments corresponding to the plurality of transmitters, wherein each of the transmitters corresponds to at least one data segment, and different transmitters correspond to different data segments; and transmitting the corresponding data segments to a stream combining device using the plurality of transmitters, such that the stream combining device transmits the data stream to a playing device in response to acquiring the data stream by combining the plurality of data segments.
    Type: Application
    Filed: June 16, 2021
    Publication date: August 24, 2023
    Applicant: BOE Technology Group Co., Ltd.
    Inventors: Tao LI, Chaofeng DONG, Dongbo CAO, Kejun HU, Jun YANG
  • Publication number: 20230268444
    Abstract: A metal oxide semiconductor material includes a semiconductor base material and at least one kind of rare earth compound doped in the semiconductor base material, Each kind of rare earth compound has a general formula represented as (MFD)aAb, where in s the general formula (MFD)aAb, MFD is an element selected from rare earth elements capable of undergoing f-d transition and/or charge transfer transition, A is selected from elements capable of stretching a wavelength range of an absorption spectrum of MFD capable of undergoing the f-d transition and/or the charge transfer transition towards red light into a visible light range, a is a number of the element MFD in the general formula (MFD)aAb, and b is a number of the element A in the general formula (MFD)aAb.
    Type: Application
    Filed: November 2, 2021
    Publication date: August 24, 2023
    Applicants: BOE TECHNOLOGY GROUP CO., LTD., South China University of Technology
    Inventors: Guangcai YUAN, Linfeng LAN, Fengjuan LIU, Ce NING, Hehe HU, Fei WANG, Junbiao PENG
  • Publication number: 20230253417
    Abstract: A flexible array substrate, a manufacturing method thereof and a display device are provided. The flexible array substrate includes: a first flexible substrate with a first surface; a thin film transistor on the first surface; and a light-shielding layer between the first flexible substrate and the thin film transistor. An orthographic projection of the light-shielding layer on the first flexible substrate covers an orthographic projection of a channel region of the thin film transistor on the first flexible substrate.
    Type: Application
    Filed: March 23, 2023
    Publication date: August 10, 2023
    Applicant: BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Xueyan TIAN, Shiming SHI, Shuangliang QIN
  • Publication number: 20230255074
    Abstract: A display substrate includes a flexible substrate, a cathode layer located on a first side of the flexible substrate and at least one insulating layer located between the flexible substrate and the cathode layer. The flexible substrate includes at least one stretchable region, the stretchable region extends from the display area to the non-display area, and the stretchable region is provided with a plurality of holes arranged in an array therein. A border of the cathode layer is located in the non-display area. The at least one insulating layer is configured to expose the plurality of holes, the at least one insulating layer is provided with at least one partition groove therein, an orthographic projection of a partition groove on the flexible substrate is disposed around a hole of the plurality of holes, and the partition groove is configured to partition the cathode layer.
    Type: Application
    Filed: September 3, 2021
    Publication date: August 10, 2023
    Applicant: BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Yang YU, Fangxu CAO, Pinfan WANG, Wenqiang LI, Chunyan XIE, Bo WANG, Jingquan WANG
  • Publication number: 20230255107
    Abstract: A light-emitting device, comprising: a first electrode and a second electrode arranged in a stacked manner; and multiple functional layers provided between the first electrode and the second electrode. The multiple functional layers comprise a light-emitting layer, at least two material layers having a hole transport function between the light-emitting layer and the first electrode, and at least one material layer having an electron transport function between the light-emitting layer and the second electrode. The at least two material layers having the hole transport function comprise an electron blocking layer, and the material of the light-emitting layer comprises a guest material. The difference between the LUMO energy level of the material of the electron blocking layer and the LUMO energy level of a host material is greater than or equal to a threshold.
    Type: Application
    Filed: November 18, 2021
    Publication date: August 10, 2023
    Applicant: BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Dongxu ZHANG, Yuqian SUN, Rongrong GAO
  • Publication number: 20230251404
    Abstract: A texture image acquiring device, a display device and a collimator are disclosed. The texture image acquiring device includes a collimator and an image sensor. The collimator includes a lens array and diaphragm component. The diaphragm component includes a first diaphragm layer and a second diaphragm layer. The lens array is configured to allow light rays to be converged and incident on the diaphragm component. The diaphragm component is configured to allow light rays to pass through, and to restrict an angle of light rays capable of passing through the diaphragm component. The image sensor is configured to sense light rays incident on the image sensor for acquiring a texture image.
    Type: Application
    Filed: April 17, 2023
    Publication date: August 10, 2023
    Applicant: BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Xiaoquan HAI, Xue DONG, Haisheng WANG, Lei WANG, Yingzi WANG, Xiandong MENG
  • Publication number: 20230255084
    Abstract: The present disclosure provides an organic light-emitting diode display substrate. The organic light-emitting diode display substrate includes: a light-emitting layer, a light modulation layer, and a color conversion layer, in which the light-emitting layer is configured to emit first color light, the light modulation layer and the color conversion layer are arranged on different light-exiting paths of the light-emitting layer, the color conversion layer is configured to convert first color light into second color light and third color light, and the light modulation layer is configured to modulate an emergent direction of first color light.
    Type: Application
    Filed: March 20, 2023
    Publication date: August 10, 2023
    Applicant: BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Guang Yan, Changyen Wu, Juanjuan You, Linlin Wang
  • Publication number: 20230245483
    Abstract: A handwriting recognition method and apparatus, and an electronic device and a storage medium are provided. The method includes: acquiring a text image containing handwritten text; inputting the text image into a convolutional neural network, and extracting a CNN feature and a HOG feature of the text image; and extracting the handwritten text in text image according to the CNN feature and the HOG feature.
    Type: Application
    Filed: May 27, 2020
    Publication date: August 3, 2023
    Applicant: BOE Technology Group Co., Ltd.
    Inventor: Huanhuan Zhang
  • Publication number: 20230237963
    Abstract: A display substrate, a preparation method thereof, a display panel, and a display device are provided. The display substrate includes a base substrate and a repeating unit, the repeating unit includes a plurality of sub-pixels including a first sub-pixel and a second sub-pixel, a color of light emitted by a light-emitting element of the first sub-pixel is identical to a color of light emitted by a light-emitting element of the second sub-pixel, a shape of a first light-emitting voltage application electrode of the light-emitting element of the first sub-pixel is different from a shape of a first light-emitting voltage application electrode of the light-emitting element of the second sub-pixel.
    Type: Application
    Filed: April 4, 2023
    Publication date: July 27, 2023
    Applicant: BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Libin LIU, Mei LI, Hongli WANG
  • Publication number: 20230236809
    Abstract: An iOS application program construction method and an apparatus, and electronic devices, and a storage medium are provided. The iOS application program construction method includes: configuring project information; based on the project information and at least one target component, utilizing a compilation management service and employing a script to configure a preset project, so as to obtain a target project; and packaging the target project by utilizing a packaging system to obtain an iOS application program corresponding to the target project.
    Type: Application
    Filed: November 12, 2021
    Publication date: July 27, 2023
    Applicant: BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Sujia JIANG, Kun LI
  • Publication number: 20230232648
    Abstract: A quantum dot light-emitting diode substrate having a bonding layer and a method of preparing the same are provided. The quantum dot light-emitting diode substrate including a plurality of sub-pixel light-emitting regions, wherein each of the sub-pixel light-emitting regions includes a light-emitting layer including a bonding layer and a quantum dot bonded to the bonding layer. The quantum dot light-emitting diode substrate can be prepared with high resolution by a convenient process, and is suitable for mass production.
    Type: Application
    Filed: March 10, 2023
    Publication date: July 20, 2023
    Applicant: BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Yanzhao LI, Chung Chun Lee, Zhuo Chen
  • Publication number: 20230215393
    Abstract: A light emitting substrate, a method of driving a light emitting substrate, and a display device are provided. The light emitting substrate includes a plurality of light emitting units arranged in an array. Each light emitting unit includes a driving circuit, a plurality of light emitting elements, and a driving voltage terminal. The plurality of light emitting elements are sequentially connected in series and connected between the driving voltage terminal and the output terminal of the driving circuit. The driving circuit is configured to output a relay signal through the output terminal in a first period according to a first input signal received by the first input terminal and a second input signal received by the second input terminal, and supply a driving signal to the plurality of light emitting elements sequentially connected in series through the output terminal in a second period.
    Type: Application
    Filed: March 13, 2023
    Publication date: July 6, 2023
    Applicant: BOE Technology Group Co., Ltd.
    Inventors: Ming Yang, Wei Hao, Feifei Wang, Minghua Xuan, Zhenyu Zhang, Xiaochuan Chen, Lingyun Shi
  • Publication number: 20230215211
    Abstract: A display panel and a display device are provided. The display panel has a touch side and includes an array substrate and an opposite substrate arranged opposite to each other. The array substrate includes an image sensor array including a plurality of image sensors each including a photosensitive element configured to receive light reflected by a texture touched on the touch side for texture acquisition; the opposite substrate includes a light shielding layer including a plurality of first openings arranged in an array, and the plurality of first openings are in one-to-one correspondence with and partially overlap with the photosensitive elements of the plurality of image sensors in a direction perpendicular to a panel surface of the display panel.
    Type: Application
    Filed: May 25, 2021
    Publication date: July 6, 2023
    Applicant: BOE Technology Group Co., Ltd.
    Inventors: Changfeng Li, Xiaochuan Chen, Fuqiang Li, Liwei Liu, Hongrun Wang, Hui Zhang, Shunhang Zhang, Kai Hou, Yunsik Im, Yunping Di
  • Publication number: 20230204954
    Abstract: A near-eye display device and a near-eye display method are provided. In the near-eye display device and method, displaying a first image and a second image in different time periods by using a display portion; converting light of the first image to first linearly polarized light and converting light of the second image to second linearly polarized light by using a polarization conversion portion, a polarization direction of the first linearly polarized light being different from that of the second linearly polarized light; receiving the first linearly polarized light and the second linearly polarized light, and causing them to be emitted towards different directions by using a polarization splitting portion; and transmitting the first linearly polarized light and transmitting the second linearly polarized light by using an image light transmission portion. It can solve the problem of fatigue and dizziness of user's eyes.
    Type: Application
    Filed: March 2, 2023
    Publication date: June 29, 2023
    Applicant: BOE TECHNOLOGY GROUP CO., LTD.
    Inventor: Tao HONG