Patents by Inventor Qinghe WANG

Qinghe WANG has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Publication number: 20220093893
    Abstract: A method for manufacturing a display panel includes: sequentially forming a conductive pattern, a light-emitting layer and a cathode layer on a substrate. The conductive pattern is formed by a one-time patterning process, and includes an auxiliary electrode layer. In a direction parallel to the substrate, both the first protective electrode and the second protective electrode in the auxiliary electrode layer extend over the metal electrode, a second orthographic projection of the second protective electrode on the substrate is within a first orthographic projection of the first protective electrode on the substrate, and an outer boundary of the second orthographic projection is staggered from an outer boundary of the first orthographic projection. The cathode layer is in contact with the first protective electrode and a sidewall of the metal electrode.
    Type: Application
    Filed: June 2, 2021
    Publication date: March 24, 2022
    Inventors: Yang Zhang, Ning Liu, Bin Zhou, Leilei Cheng, Liangchen Yan, Jun Liu, Qinghe Wang, Tao Sun, Zhiwen Luo
  • Publication number: 20220077255
    Abstract: The present disclosure provides an array substrate, a method for manufacturing the array substrate, a display panel and a display device. The array substrate includes: a substrate; a planarization layer on a side of the substrate; a pixel defining layer configured to define a pixel opening region and located on a side of the planarization layer away from the substrate; an anode in the pixel opening region and on a side of the planarization layer away from the substrate. The array substrate further includes an intermediate insulation layer between the planarization layer and the pixel defining layer. The intermediate insulation layer has a chemical polarity between a chemical polarity of the planarization layer and a chemical polarity of the pixel defining layer.
    Type: Application
    Filed: November 5, 2020
    Publication date: March 10, 2022
    Inventors: Wei Li, Jingjing XIA, Bin Zhou, Yang Zhang, Guangyao Li, Wei Song, Xuanang Wang, Qinghe Wang, Liusong Ni, Jun Liu, Liangchen Yan, Ming Wang, Jingang Fang
  • Publication number: 20220064783
    Abstract: A sputtering system and a deposition method are provided. The sputtering system includes at least two sputtering chambers. Each of the at least two sputtering chambers includes a plurality of targets separated from each other and a plurality of target pedestals. Each of the plurality of targets is mounted on a corresponding target pedestal of the plurality of target pedestals, and a gap between two adjacent targets of the plurality of targets has a width sufficient to accommodate at least one of the plurality of targets.
    Type: Application
    Filed: October 14, 2021
    Publication date: March 3, 2022
    Applicants: HEFEI XINSHENG OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Tongshang SU, Dongfang WANG, Leilei CHENG, Jun LIU, Ning LIU, Qinghe WANG, Liangchen YAN
  • Patent number: 11264411
    Abstract: An array substrate and a display device are provided in embodiments of the present disclosure. The array substrate includes a base substrate, a buffer layer, an active layer, a gate insulating layer, a gate electrode, an interlayer insulating layer, a source-drain electrode electrically conductive layer, a passivation layer, and a first light shielding layer. The first light shielding layer is disposed on a side of the passivation layer facing away from the interlayer insulating layer. An orthographic projection of the first light shielding layer on the base substrate at least partially overlaps with an orthographic projection of the active layer on the base substrate, and the first light shielding layer is formed by a photoresist material.
    Type: Grant
    Filed: July 14, 2020
    Date of Patent: March 1, 2022
    Assignees: HEFEI XINSHENG OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Tongshang Su, Dongfang Wang, Jun Liu, Qinghe Wang, Jun Wang, Ning Liu, Guangyao Li
  • Patent number: 11257955
    Abstract: The disclosure provides a thin film transistor, an array substrate, and a method for fabricating the same. An embodiment of the disclosure provides a method for fabricating a thin film transistor, the method including: forming a gate, a gate insulation layer, and an active layer above an underlying substrate successively; forming a patterned hydrophobic layer above the active layer, wherein the hydrophobic layer includes first pattern components, and orthographic projections of the first pattern components onto the underlying substrate overlap with a orthographic projection of a channel area at the active layer onto the underlying substrate; and forming a source and a drain above the hydrophobic layer, wherein the source and the drain are located respectively on two sides of a channel area, and in contact with the active layer.
    Type: Grant
    Filed: July 3, 2018
    Date of Patent: February 22, 2022
    Assignees: BOE Technology Group Co., Ltd., Hefei Xinsheng Optoelectronics Technology Co., Ltd.
    Inventors: Qinghe Wang, Luke Ding, Leilei Cheng, Jun Bao, Tongshang Su, Dongfang Wang, Guangcai Yuan
  • Patent number: 11250788
    Abstract: The disclosure provides a display substrate, a method for fabricating the same, a display device. The display substrate includes a base and a display function layer on the base. The display function layer includes pixel circuits arranged in first and second directions, and data lines in the second direction. Each pixel circuit includes a driving capacitor and a driving transistor, a first electrode of the driving capacitor is in a same layer as the data lines; at least one data line includes at least one first sub-data line segment and at least one second sub-data line segment, a width of the first sub-data line segment is less than that of the second sub-data line segment, an orthographic projection of the first sub-data line on a virtual straight line in the second direction at least partially overlaps with that of the first electrode closest thereto on the virtual straight line.
    Type: Grant
    Filed: April 30, 2020
    Date of Patent: February 15, 2022
    Assignees: HEFEI XINSHENG OPTOELECTRONICS TECHNOLOGY CO., LTD, BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Haitao Wang, Guangyao Li, Qinghe Wang, Jun Wang, Dongfang Wang
  • Patent number: 11244972
    Abstract: An array substrate, a method for manufacturing the same and a display device are provided. The method includes: providing a base substrate; forming a conductive material thin film on the base substrate; forming a first photoresist layer on a side of the conductive material thin film distal to the base substrate; etching the conductive material thin film by using the first photoresist layer as a mask to obtain a first etched pattern; removing third covering portions of the first photoresist layer to obtain a second photoresist layer; and etching the first etched pattern by using the second photoresist layer as a mask to obtain a gate electrode and a signal line.
    Type: Grant
    Filed: April 27, 2020
    Date of Patent: February 8, 2022
    Assignees: HEFEI XINSHENG OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Ning Liu, Bin Zhou, Jun Liu, Qinghe Wang, Wei Song, Wei Li
  • Patent number: 11239264
    Abstract: The present disclosure provides a thin film transistor, a display substrate, a method for preparing the same, and a display device including the display substrate. The method for preparing the thin film transistor includes: forming an inorganic insulating film layer in contact with an electrode of the thin film transistor by a plasma enhanced chemical vapor deposition process at power of 9 kW to 25 kW, at a temperature of 190° C. to 380° C. and by using a mixture of gases N2, NH3 and SiH4 in a volume ratio of N2:NH3:SiH4=(10˜20):(5˜10):(1˜2), such that a stress value of the inorganic insulating film layer is reduced to be less than or equal to a threshold, and the inorganic insulating layer comprises silicon nitride.
    Type: Grant
    Filed: October 18, 2019
    Date of Patent: February 1, 2022
    Assignees: HEFEI XINSHENG OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Tongshang Su, Dongfang Wang, Qinghe Wang, Liangchen Yan
  • Patent number: 11229877
    Abstract: The present disclosure provides a gas screening film including at least one gas screening element, each of the at least one gas screening element includes a transistor including a gate, an insulation spacing layer, a first electrode, a semiconductor nanosheet separation layer and a second electrode, and the insulation spacing layer is disposed between the gate and the semiconductor nanosheet separation layer. The present disclosure further provides a manufacturing method of the gas screening film and a face mask. The gas screening film can screen and separate various different gases as necessary.
    Type: Grant
    Filed: January 22, 2019
    Date of Patent: January 25, 2022
    Assignees: HEFEI XINSHENG OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Guangyao Li, Guangcai Yuan, Dongfang Wang, Jun Wang, Qinghe Wang, Wei Li, Leilei Cheng
  • Publication number: 20210367017
    Abstract: An array substrate, a method for manufacturing the array substrate and a display device are provided. The array substrate includes: a base substrate, and a thin film transistor, a storage capacitor, and a lapping pattern for connecting the thin film transistor to the storage capacitor arranged on the base substrate; wherein the thin film transistor includes a semiconductor layer, a gate insulation layer, a gate electrode, an interlayer insulation layer, a source electrode and a drain electrode arranged sequentially in that order; the interlayer insulation layer includes at least two inorganic insulation layers and at least one organic insulation layer laminated one on another, and both a layer proximate to the base substrate and a layer distal to the base substrate in the interlayer insulation layer are the inorganic insulation layers.
    Type: Application
    Filed: April 27, 2021
    Publication date: November 25, 2021
    Applicants: HEFEI XINSHENG OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Ning LIU, Jun LIU, Wei SONG, Qinghe WANG, Bin ZHOU, Liangchen YAN
  • Publication number: 20210343757
    Abstract: An array substrate includes gate lines, data lines and an insulating layer. The data lines all extend in a first direction, and the gate lines all extend in a second direction, the first direction intersecting the second direction. A data line includes first line segments and second line segments that all extend in the first direction and are arranged alternately. The second line segments are disposed at a side of the gate lines proximate to the base, and the first line segments are disposed at a side of the gate lines away from the base. There is no overlap among orthographic projections of the first line segments on the base and orthographic projections of the gate lines on the base. The insulating layer includes first vias. In the first direction, any two adjacent first line segments are electrically connected to a second fine segment through at least two first vias.
    Type: Application
    Filed: June 19, 2020
    Publication date: November 4, 2021
    Inventors: Ning LIU, Wei SONG, Yingbin HU, Qinghe WANG, Feng ZHANG, Chongchong LIU, Bin ZHOU
  • Patent number: 11145230
    Abstract: Embodiments of the present disclosure provide a method and a device for detecting a threshold voltage drift of a transistor in a pixel circuit, which are used for detecting the threshold voltage drift of the transistor to be detected in the pixel circuit. The transistor to be detected is at least one of the driving transistor and the detection transistor. The detection method comprises: inputting, during an inputting stage, a first turning-on voltage to the second scanning terminal, so as to turn on the detection transistor, enabling writing a first voltage into the second node through the detection signal terminal; inputting, during a detection stage, a first turning-off voltage to the second scanning terminal, so as to turn off the detection transistor, thereby detecting an actual voltage at the second node; and determining a state of the threshold voltage drift of the transistor to be detected according to the actual voltage and the first voltage.
    Type: Grant
    Filed: June 11, 2020
    Date of Patent: October 12, 2021
    Assignees: HEFEI XINSHENG OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Jun Wang, Dongfang Wang, Liangchen Yan, Guangyao Li, Haitao Wang, Qinghe Wang, Yingbin Hu, Yang Zhang, Tongshang Su
  • Publication number: 20210265392
    Abstract: This disclosure discloses an array substrate, and a production method, a display panel, and a display apparatus thereof. Particularly, this disclosure proposes a method of producing an array substrate, having the following steps: providing a substrate having a drive transistor region and a switch transistor region thereon; forming an preset layer for active layer on a side of the substrate; patterning the preset layer for active layer to form a drive active layer and a switch active layer, wherein an orthographic projection of the drive active layer on the substrate is located in the drive transistor region, an orthographic projection of the switch active layer on the substrate is located in the switch transistor region, and a carrier concentration in the drive active layer is less than a carrier concentration in the switch active layer.
    Type: Application
    Filed: April 16, 2020
    Publication date: August 26, 2021
    Inventors: Wei Song, Ce Zhao, Yuankui Ding, Ming Wang, Yingbin Hu, Qinghe Wang, Wei Li, Liusong Ni
  • Publication number: 20210267053
    Abstract: The present disclosure provides a display substrate, a method for manufacturing the display substrate, and a display device. The display substrate includes a first conductive line extending in a first direction on a base substrate, a second conductive line extending in a second direction crossing the first direction on the base substrate, and an insulation layer arranged between the first conductive line and the second conductive line. The display substrate further includes a buffer layer arranged between the first conductive line and the base substrate, a groove extending in the first direction is formed in the buffer layer, the first conductive line is arranged in the groove, and a surface of the first conductive line away from the base substrate is flush with a surface of the buffer layer away from the base substrate.
    Type: Application
    Filed: February 24, 2021
    Publication date: August 26, 2021
    Applicants: HEFEI XINSHENG OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Yongchao HUANG, Qinghe WANG, Haitao WANG, Jun LIU, Jun CHENG, Ce ZHAO, Liangchen YAN
  • Patent number: 11087978
    Abstract: The present disclosure provides an oxide semiconductor layer and a preparation method thereof, device, substrate, and means, and belongs to the field of semiconductor technologies. The method includes: forming an oxide semiconductor layer having multiply types of regions on a substrate, at least two types of the multiple types of regions having different thicknesses, and adjusting an oxygen content of at least one type of regions in the multiply types of regions, so that the oxygen content and the thickness in the multiple types of regions are positively correlated.
    Type: Grant
    Filed: July 12, 2019
    Date of Patent: August 10, 2021
    Assignees: Hefei Xinsheng Optoelectronics Technology Co., Ltd., BOE Technology Group Co., Ltd.
    Inventors: Tongshang Su, Dongfang Wang, Jun Liu, Qinghe Wang, Wuxia Fu, Liangchen Yan, Guangcai Yuan
  • Patent number: 11088287
    Abstract: A TFT and a method for manufacturing the TFT, an array substrate, and a display device are provided. An active layer of the TFT includes a channel region, a first conductive region and a second conductive region, and the channel region is arranged between the first conductive region and the second conductive region. The channel region includes a first side and a second side, the first side is opposite to the second side, the first side is in contact with a third side of the first conductive region, the second side is in contact with a fourth side of the second conductive region, and a length of the first side is greater than a length of the third side.
    Type: Grant
    Filed: June 3, 2019
    Date of Patent: August 10, 2021
    Assignees: HEFEI XINSHENG OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Tongshang Su, Dongfang Wang, Qinghe Wang, Liangchen Yan
  • Patent number: 11082788
    Abstract: The present disclosure provides a composite electrode, an acoustic sensor using the composite electrode, and a manufacturing method of the composite electrode. The composite electrode includes a conductive layer, and a semiconductor high-molecular polymer layer formed on the conductive layer. The semiconductor high-molecular polymer layer has a three-dimensional mesh structure. The acoustic sensor includes a base; the above-mentioned composite electrode formed on the base; an organic layer formed on the composite electrode; and a top electrode formed on the organic layer.
    Type: Grant
    Filed: March 27, 2018
    Date of Patent: August 3, 2021
    Assignees: BOE Technology Group Co., Ltd., Hefei Xinsheng Optoelectronics Technology Co., Ltd.
    Inventors: Rui Peng, Qinghe Wang, Xiang Wan, Xinwei Gao, Xinxin Wang, Zhaokang Fan
  • Patent number: 11075227
    Abstract: A display substrate, a method for manufacturing the display substrate, and a display device are provided. The display substrate includes a display area and a fanout area at the periphery of the display area. The fanout area includes a data line layer, a first power line layer, and at least two insulation layers between the data line layer and the first power line layer. In a direction perpendicular to a base substrate of the display substrate, the first power line layer overlaps the data line layer. At least one of the at least two insulation layers includes a portion which insulates the first power line layer and the data line layer from each other.
    Type: Grant
    Filed: August 30, 2019
    Date of Patent: July 27, 2021
    Assignees: HEFEI XINSHENG OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Jun Wang, Dongfang Wang, Haitao Wang, Guangyao Li, Yingbin Hu, Yang Zhang, Qinghe Wang, Liangchen Yan
  • Publication number: 20210225886
    Abstract: A thin film transistor, a display panel and a preparation method thereof and a display apparatus are provided. The thin film transistor includes: a substrate; a gate metal located on a side of the substrate; a gate insulating layer located on a side of the gate metal away from the substrate; an active layer located on a side of the gate insulating layer away from the substrate; a first metal oxide and a second metal oxide which are located on a side of the active layer away from the substrate and are arranged on a same layer; and a source metal and a drain metal which are located on sides of the first metal oxide and the second metal oxide away from the substrate and are arranged in a same layer.
    Type: Application
    Filed: July 23, 2020
    Publication date: July 22, 2021
    Inventors: Qinghe WANG, Tongshang SU, Yongchao HUANG, Yingbin HU, Yang ZHANG, Haitao WANG, Ning LIU, Guangyao LI, Zheng WANG, Yu JI, Jinliang HU, Wei SONG, Jun CHENG, Liangchen YAN
  • Publication number: 20210227656
    Abstract: A thin-film transistor includes: an active layer having a first side and a second side opposing to the first side; a main gate electrode spaced from the active layer on the first side, and including a conductive material; an auxiliary gate electrode spaced from the active layer on the second side, wherein the auxiliary gate electrode includes a phase change material having a phase change temperature; the auxiliary gate electrode is configured to have a transition between insulating and conductive based on a temperature of the auxiliary gate electrode; and the main gate electrode and the auxiliary gate electrode are electrically coupled to each other when the auxiliary gate electrode is conductive.
    Type: Application
    Filed: October 21, 2019
    Publication date: July 22, 2021
    Applicants: HEFEI XINSHENG OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Qinghe WANG, Dongfang WANG, Tongshang SU, Ning LIU, Guangyao LI, Yongchao HUANG, Yang ZHANG, Jiawen SONG, Zhiwen LUO, Liangchen YAN