Patents by Inventor Zhiqiang Jiao
Zhiqiang Jiao 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).
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Publication number: 20240306418Abstract: A light emitting device includes: a first electrode layer, a first dielectric layer, a first luminescent layer, a second luminescent layer, a second dielectric layer and a second electrode layer that are arranged sequentially in stack; a source electrode and a drain electrode, wherein the source electrode and the drain electrode are arranged in a same layer, and are both located between the first luminescent layer and the second luminescent layer; and an insulating layer provided in the same layer as the source electrode and the drain electrode, and located between the source electrode and the drain electrode. By controlling the two electrode layers separately, the two luminescent layers may separately and independently emit light. By providing different materials of the luminescent layers, the effect of light emission of multiple mixed colors or the effect of an increased light intensity may be realized.Type: ApplicationFiled: September 21, 2022Publication date: September 12, 2024Applicant: BOE Technology Group Co., Ltd.Inventors: Peng Wang, Xiaohu Li, Juan Zhang, Zhiqiang Jiao
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Publication number: 20240276757Abstract: An embodiment of the present disclosure provides a display substrate, which includes: a base; a plurality of pixel units; each of the pixel units includes a pixel driving circuit located on the base, and each of the pixel unit further includes a plurality of light-emitting elements located on a side, away from the base, of the pixel driving circuit and connected with the pixel driving circuit, where at least two of the light-emitting elements in each of the pixel units are sequentially stacked in a direction away from the base. Embodiments of the present disclosure further provide a method for manufacturing a display substrate, a method for driving a display substrate, a display panel and a display device.Type: ApplicationFiled: April 26, 2022Publication date: August 15, 2024Inventors: Huajie YAN, Zhiqiang JIAO, Lu WANG
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Publication number: 20240268135Abstract: A light emitting device, a light emitting base plate and a light emitting apparatus, which relates to the technical field of displaying. A light emitting device includes: a first electrode; a second electrode facing the first electrode; and at least one luminescent layer provided in stack between the first electrode and the second electrode, wherein the at least one luminescent layer includes: a first luminescent material for emitting a first light ray when driven by a current or voltage; and a second luminescent material for emitting a second light ray when driven by a current or voltage; wherein a color of the first light ray and a color of the second light ray are different.Type: ApplicationFiled: June 29, 2022Publication date: August 8, 2024Applicant: BOE TECHNOLOGY GROUP CO., LTD.Inventors: Qian Jin, Xiaoyun Liu, Wei Huang, Juan Zhang, Zhiqiang Jiao, Xiaohu Li
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Publication number: 20240244900Abstract: A display panel includes a plurality of driving base plates stacked, each of the driving base plates includes a substrate and a driving unit located on the substrate, orientations of the driving base plates are the same; a plurality of pixel units arranged in an array, each of the pixel units includes a plurality of sub-pixels, and orthographic projections on the substrate of light emitting regions of the sub-pixels in the same pixel unit do not overlap with each other; and each of the driving base plates is provided with at least one sub-pixel on one side away from the substrate, and the driving unit on each of the driving base plates is electrically connected to the at least one sub-pixel; and a quantity of the driving base plates is less than or equal to a quantity of the sub-pixels in one of the pixel units.Type: ApplicationFiled: February 25, 2022Publication date: July 18, 2024Applicant: BOE Technology Group Co., Ltd.Inventors: Xiaohu Li, Weijie Wang, Liangliang Kang, Zhiqiang Jiao, Lu Wang
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Publication number: 20240224576Abstract: A light emitting transistor, a method of manufacturing the same, and a display substrate are provided. The light emitting transistor includes: a gate electrode on a base substrate; an insulating layer on a side of the gate electrode away from the base substrate; a first electrode on a side of the insulating layer away from the base substrate, wherein the first electrode is provided with a plurality of through holes therein, which are divided into a plurality of through hole groups arranged side by side in a first direction; each through hole group includes multiple through holes arranged in a second direction, the first direction intersects the second direction; a light emitting functional layer on a side of the first electrode away from the base substrate; and a second electrode on a side of the light emitting functional layer away from the base substrate.Type: ApplicationFiled: December 14, 2021Publication date: July 4, 2024Inventors: Huajie YAN, Zhiqiang JIAO, Lu WANG, Peng WANG
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Publication number: 20240215318Abstract: A display substrate is provided, the display substrate has a plurality of sub-pixels, and includes a driving circuit substrate, a plurality of first electrodes, a pixel definition layer and a light-emitting material layer. The driving circuit substrate includes a plurality of pixel driving circuits and a protective insulating layer, the protective insulating layer includes a plurality of first vias, and the plurality of first electrodes are respectively electrically connected to the output terminals of the plurality of pixel driving circuits through the first vias. The pixel definition layer includes a plurality of sub-pixel openings and at least one partition structure. The light-emitting material layer at least in the plurality of sub-pixel openings, the pixel definition layer includes a first pixel definition sub-layer and a second pixel definition sub-layer, and a width of the second pixel definition sub-layer is greater than a width of the first pixel defining sub-layer.Type: ApplicationFiled: November 29, 2021Publication date: June 27, 2024Applicant: BOE TECHNOLOGY GROUP CO., LTD.Inventors: Lei ZHAO, Zhiqiang JIAO, Xiaohu LI, Xiaoyun LIU, Shuilang DONG, Guangcai YUAN, Lilei ZHANG
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Publication number: 20240196665Abstract: Disclosed are a display panel and a displaying device. The display panel includes a plurality of first-color subpixels, and each first-color subpixel includes a base, the base including a first driving electrode and a second driving electrode; at least one first electrode, disposed at a side of the base and is connected to the first driving electrode; at least one second electrode, disposed at a same side of the base with the first electrode and is connected to the second driving electrode; an intermediate layer, disposed between the first electrode and the second electrode; wherein the first electrode and the second electrode divide the first-color subpixel into a plurality of secondary pixels, the first electrode and the second electrode are insulated with each other via the intermediate layer, and are respectively connected to the first driving electrode and the second driving electrode, and control the secondary pixels independently.Type: ApplicationFiled: February 22, 2024Publication date: June 13, 2024Applicant: BOE Technology Group Co., Ltd.Inventors: Yongfeng Zhang, Xue Dong, Zhiqiang Jiao, Lei Zhao, Jiushi Wang
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Publication number: 20240179934Abstract: A light emitting diode is provided. The light emitting diode includes a light emitting layer. The light emitting layer includes one or more first layers and one or more second layers in a stacked structure. A respective first layer of the one or more first layers includes an organic functional material of a first type doped with an organic functional material of a second type. A respective second layer of the one or more second layers includes an organic functional material of the first type without being doped with an organic functional material of the second type. The light emitting layer includes one or more double-layer structure stacked on each other, a respective double-layer structure including an individual second layer and an individual first layer stacked on the individual second layer.Type: ApplicationFiled: November 28, 2022Publication date: May 30, 2024Applicant: BOE Technology Group Co., Ltd.Inventors: Peng Wang, Qingyu Huang, Juan Zhang, Mengna Sun, Zhiqiang Jiao, Weijie Wang
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Publication number: 20240145644Abstract: A display substrate is provided. The display substrate includes a respective encapsulated unit and a separation structure substantially surrounding the respective encapsulated unit. The respective encapsulated unit includes a color conversion layer comprising one or more color conversion blocks; and a respective encapsulating block in an encapsulating layer encapsulating the one or more color conversion blocks. The encapsulating layer is at least partially absent in a peripheral region around the respective encapsulated unit.Type: ApplicationFiled: November 2, 2022Publication date: May 2, 2024Applicant: BOE Technology Group Co., Ltd.Inventors: Zhongyuan Sun, Jinxiang Xue, Wei Li, Che An, Fengjie Zhang, Zhiqiang Jiao
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Patent number: 11963434Abstract: The present disclosure provides a flexible base substrate, a display panel and a display device, and belongs to the field of display technologies. The flexible base substrate includes at least one substrate unit each having a middle region and an edge region; wherein the flexible base substrate includes: a first flexible layer, a second flexible layer, and an isolation layer disposed between the first flexible layer and the second flexible layer; the isolation layer includes a first surface in contact with the first flexible layer, and a second surface in contact with the second flexible layer; and wherein at least one of the first surface and the second surface has a segment difference on two sides of a junction between the middle region and the edge region.Type: GrantFiled: December 29, 2020Date of Patent: April 16, 2024Assignee: BOE TECHNOLOGY GROUP CO., LTD.Inventors: Xiaohu Li, Zhiqiang Jiao
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Publication number: 20240107823Abstract: The present disclosure provides a display panel and a display device. The display panel includes a substrate, a plurality of pixel units is arranged at a side of the substrate, each pixel unit includes a first electrode layer, a first light-emitting layer, a second electrode layer, a second light-emitting layer, a third electrode layer, a third light-emitting layer and a fourth electrode layer laminated one on another, the first light-emitting layer, the second light-emitting layer, and the third light-emitting layer emit light in different colors, and two vertically adjacent light-emitting layers share one electrode layer.Type: ApplicationFiled: June 17, 2021Publication date: March 28, 2024Inventors: Fudong CHEN, Huajie YAN, Qingyu HUANG, Zhiqiang JIAO
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Patent number: 11943973Abstract: Disclosed are a preparation method of a display panel, a display panel and a displaying device. The display panel comprises a plurality of first-color subpixels, and each first-color subpixel comprises a base, the base comprising a first driving electrode and a second driving electrode; a flat layer disposed on the side, near the first driving electrode and the second driving electrode, of the base; a patterned passivation layer and at least one first electrode disposed on the side, away from the base, of the flat layer, the first electrode being connected with the first driving electrode through via holes penetrating the flat layer; and at least one second electrode disposed on the side, away from the base, of the passivation layer, the second electrode being connected with the second driving electrode through via holes penetrating the passivation layer and the flat layer.Type: GrantFiled: November 11, 2020Date of Patent: March 26, 2024Assignee: BOE Technology Group Co., Ltd.Inventors: Yongfeng Zhang, Xue Dong, Zhiqiang Jiao, Lei Zhao, Jiushi Wang
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Publication number: 20240099079Abstract: A display panel mainly comprises a substrate, a driving layer, a plurality of first electrodes, a light-emitting functional layer and a second electrode, wherein the substrate has a first pixel region and a second pixel region; the driving layer is arranged on one side of the substrate, and an orthographic projection thereof on the substrate covers the first pixel region and the second pixel region, and the driving layer located in the first pixel region is provided with recessed regions; the plurality of first electrodes are distributed in an array on the side of the driving layer that faces away from the substrate, both the first pixel region and the second pixel region are provided with the first electrodes, and the first electrodes and the recessed regions are distributed at intervals; the light-emitting functional layer covers the first electrodes; and the second electrode covers the light-emitting functional layer.Type: ApplicationFiled: November 18, 2021Publication date: March 21, 2024Applicant: BOE Technology Group Co., Ltd.Inventors: Xiaohu LI, Huajie YAN, Zhiqiang JIAO, Lu WANG, Chuanxiang XU
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Publication number: 20240099066Abstract: Disclosed are a display substrate. The display substrate includes a drive backplane; a first electrode layer disposed on a side of the drive backplane; a pixel definition layer disposed on a side, distal to the drive backplane, of the first electrode layer; an organic light-emitting layer disposed on a side, distal to the drive backplane, of the pixel definition layer, wherein the organic light-emitting layer comprises: a plurality of organic material layers stacked in a direction perpendicular to and away from the drive backplane, and a portion of the organic material layer disposed inside the partition groove is separated from a portion of the organic material layer disposed outside the partition groove; and a second electrode layer disposed on a side, distal to the drive backplane, of the organic light-emitting layer.Type: ApplicationFiled: May 31, 2022Publication date: March 21, 2024Applicants: Yunnan Invensight Optoelectronics Technology Co., Ltd., BOE Technology Group Co., Ltd.Inventors: Yuhao LEE, Xue DONG, Xiaochuan CHEN, Hui TONG, Xiaobin SHEN, Kuanta HUANG, Cao WU, Weiliang BU, Hui WANG, Zhiqiang JIAO
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Patent number: 11910630Abstract: The present application provides a WOLED device and a preparation method thereof, a WOLED display panel. The WOLED device includes: an anode; a cathode, disposed opposite to the anode; a red-fluorescence emitting layer, disposed on a side of the anode close to the cathode; a green-fluorescence emitting layer, disposed on a side of the red-fluorescence emitting layer close to the cathode; an interlayer, disposed on a side of the green-fluorescence emitting layer; and a blue-fluorescence emitting layer, disposed on a side of the interlayer close to the cathode.Type: GrantFiled: June 27, 2021Date of Patent: February 20, 2024Assignee: BOE Technology Group Co., Ltd.Inventors: Qingyu Huang, Fudong Chen, Huajie Yan, Wenqi Liu, Zhiqiang Jiao
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Publication number: 20240040845Abstract: A display panel includes a driving backplane, a first electrode layer, a pixel definition layer, a light-emitting layer and a second electrode. The first electrode layer is disposed on one side of the driving backplane and includes a plurality of first electrodes. The pixel definition layer is arranged on the side, same as the first electrode layer, of the driving backplane and exposes each of the first electrodes. The pixel definition layer includes a filling layer and a cut-off layer stacked in a direction away from the driving backplane, where the filling layer has a thickness smaller than the first electrode layer. The cut-off layer is provided with a separation slot located outside the first electrodes, and a first cut-off slot is provided on a sidewall of the separation slot. The light-emitting layer covers the cut-off layer and the first electrode layer. The second electrode covers the light-emitting layer.Type: ApplicationFiled: April 22, 2022Publication date: February 1, 2024Inventors: Shengji YANG, Xiaochuan CHEN, Xue DONG, Hui WANG, Dacheng ZHANG, Kuanta HUANG, Pengcheng LU, Zhiqiang JIAO
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Publication number: 20230329041Abstract: The present disclosure provides a display panel comprising a bottom emitting type array substrate and a wavelength converting unit, wherein the wavelength converting unit is in contact with a transparent substrate layer of the array substrate, and the transparent substrate layer has a thickness of 5 ?m or less. The present disclosure also provides a method for manufacturing the display panel by using a subtractive manufacture process.Type: ApplicationFiled: March 4, 2022Publication date: October 12, 2023Inventors: Zhiqiang Jiao, Lu Wang, Qingyu Huang, Peng Wang
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Patent number: 11744131Abstract: Embodiments of the present disclosure provide an OLED device, a method of manufacturing the OLED device, and a display panel. The OLED device comprises: a substrate, a first electrode layer, a color filter layer, a light emitting layer and a second electrode layer. The first electrode layer is one of an anode layer or a cathode layer and comprises: a first sub-electrode layer disposed on the substrate; and a second sub-electrode layer electrically connected with the first sub-electrode layer. The color filter layer is disposed on the first sub-electrode layer and the second sub-electrode layer is disposed on the color filter layer. The second electrode layer is the other of the anode layer or the cathode layer and the light emitting layer is disposed between the second electrode layer and the second sub-electrode layer of the first electrode layer.Type: GrantFiled: June 14, 2022Date of Patent: August 29, 2023Assignee: BOE TECHNOLOGY GROUP CO., LTD.Inventors: Xiaohu Li, Huajie Yan, Hongsheng Zhan, Tun Liu, Zhiqiang Jiao
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Patent number: 11737332Abstract: A light emitting element, includes a first light emitting layer and a second light emitting layer sequentially stacked; and an intermediate layer between the first light emitting layer and the second light emitting layer, and being in direct contact with the first light emitting layer on one side and in direct contact with the second light emitting layer on another side. Each of the intermediate layer, the first light emitting layer, and the second light emitting layer includes a same host material. The intermediate layer is a non-light emitting layer, and is an undoped layer absent of a dopant for emitting light. The light emitting element is configured to emit a composite light including the first light of the first wavelength range and the second light of the second wavelength range. The first wavelength range includes wavelength longer than the second wavelength range.Type: GrantFiled: April 14, 2022Date of Patent: August 22, 2023Assignee: BOE Technology Group Co., Ltd.Inventors: Qingyu Huang, Huajie Yan, Liangliang Kang, Fudong Chen, Zhiqiang Jiao
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Array substrate and manufacturing method thereof, three-dimensional display panel and display device
Patent number: 11703693Abstract: The present disclosure relates to an array substrate, a manufacturing method thereof, a three-dimensional display panel, and a display device. The array substrate includes a plurality of sub-pixels arranged in an array. Each sub-pixel includes a first composite region and a second composite region alternately arranged, as well as a substrate; a partition portion formed in the second composite region; a pixel electrode including a first composite electrode formed in the first composite region and a second composite electrode formed on the partition portion; an organic light emitting layer formed on a side of the pixel electrode away from the substrate; a pixel defining layer formed on the substrate provided around the organic light emitting layer; a common electrode having a polarity opposite to the pixel electrode formed on a side of organic light emitting layer away from the substrate; and a packaging layer.Type: GrantFiled: April 28, 2020Date of Patent: July 18, 2023Assignee: BOE TECHNOLOGY GROUP CO., LTD.Inventors: Xiaohu Li, Huajie Yan, Qingyu Huang, Yongfeng Zhang, Xiaoyun Liu, Zhiqiang Jiao