Patents by Inventor Yongfa DONG
Yongfa DONG 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).
-
Patent number: 11957023Abstract: A light-emitting diode display panel, a manufacturing method thereof, and an organic light-emitting diode display device are provided. The light-emitting diode display panel includes: a base substrate including a display region and a peripheral region surrounding the display region; a plurality of sub-pixels located in the display region and located at a side of the base substrate; a color-resistance layer located at a side of a second electrode in the sub-pixel away from the base substrate; and a light-blocking structure located in the peripheral region and being an annular structure surrounding the plurality of sub-pixels. The light-blocking structure includes a first light-blocking structure and a second light-blocking structure. The first light-blocking structure includes at least one interval extending in a direction from the display region pointing to the peripheral region. The second light-blocking structure at least fully fills the interval.Type: GrantFiled: June 29, 2022Date of Patent: April 9, 2024Inventors: Dongsheng Li, Kuanta Huang, Shengji Yang, Pengcheng Lu, Yunlong Li, Qing Wang, Yongfa Dong, Xiaobin Shen, Hui Tong, Xiong Yuan, Yu Wang, Xiaochuan Chen
-
Patent number: 11882731Abstract: A display panel includes a substrate, a planarization layer disposed at a side of the substrate being provided with partitioning slots to form driving areas in an array; a first electrode layer on the planarization layer having first electrodes; wherein orthographic projections of the first electrodes on the planarization layer are within the driving areas; each of the first electrodes includes a planar center portion and an edge portion, the edge portion includes a planarization portion surrounding the center portion and a slope portion connected between the center portion and the planarization portion; a pixel definition layer on the planarization layer that exposes part of the center portion; a light-emitting functional layer covering the pixel definition layer, the center portion being exposed by the pixel definition layer and the planarization layer and a second electrode covering the light-emitting functional layer.Type: GrantFiled: April 21, 2020Date of Patent: January 23, 2024Assignee: BOE TECHNOLOGY GROUP CO., LTD.Inventors: Kuanta Huang, Hui Tong, Xiong Yuan, Xiaobin Shen, Yu Wang, Qing Wang, Shipeng Li, Chao Yang, Shangquan Shi, Yongfa Dong, Dongsheng Li
-
Patent number: 11805680Abstract: A light-emitting diode display panel, a manufacturing method thereof, and an organic light-emitting diode display device are provided. The light-emitting diode display panel includes: a base substrate including a display region and a peripheral region surrounding the display region; a plurality of sub-pixels located in the display region and located at a side of the base substrate; a color-resistance layer located at a side of a second electrode in the sub-pixel away from the base substrate; and a light-blocking structure located in the peripheral region and being an annular structure surrounding the plurality of sub-pixels. The light-blocking structure includes a first light-blocking structure and a second light-blocking structure. The first light-blocking structure includes at least one interval extending in a direction from the display region pointing to the peripheral region. The second light-blocking structure at least fully fills the interval.Type: GrantFiled: August 23, 2019Date of Patent: October 31, 2023Assignee: BOE TECHNOLOGY GROUP CO., LTD.Inventors: Dongsheng Li, Kuanta Huang, Shengji Yang, Pengcheng Lu, Yunlong Li, Qing Wang, Yongfa Dong, Xiaobin Shen, Hui Tong, Xiong Yuan, Yu Wang, Xiaochuan Chen
-
Patent number: 11600234Abstract: A display substrate and a driving method thereof are provided. The display substrate includes a base substrate containing a monocrystalline silicon layer, a thickness of the monocrystalline silicon layer being less than that of the base substrate; an array circuit layer, disposed on the base substrate and including a plurality of transistors, each of which has an active layer inside the monocrystalline silicon layer; and a plurality of light-emitting elements, located at a side of the array circuit layer away from the base substrate. The array circuit layer includes a scan driving circuit, a data driving circuit and a plurality of pixel sub-circuits, and the plurality of pixel sub-circuits are connected to the plurality of light-emitting elements, respectively, to form a plurality of sub-pixels.Type: GrantFiled: March 10, 2020Date of Patent: March 7, 2023Assignees: ORDOS YUANSHENG OPTOELECTRONICS CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.Inventors: Weilin Lai, Yucheng Chan, Jianbang Huang, Dachao Li, Shengji Yang, Pengcheng Lu, Kuanta Huang, Xiaochuan Chen, Xue Dong, Hui Wang, Yanming Wang, Chen Xu, Dacheng Zhang, Yongfa Dong, Qing Wang, Hui Tong, Yunlong Li
-
Patent number: 11587988Abstract: A preparation method of a color film layer, a display substrate and a preparation method thereof. The display substrate includes a bearing layer and repeating units, each repeating unit including a green film layer, a red film layer and a blue film layer, which are provided on the bearing layer and directly contacting a first surface of the bearing layer. On a plane parallel to the first surface of the bearing layer, in each repeating unit, the red film layer is provided on a first side of the green film layer, the blue film layer is provided on a second side of the green film layer opposite to the first side; one of the red film layer and the blue color film layer covers part of the green film layer; one part of the green film layer does not overlap with the red film layer and the blue film layer.Type: GrantFiled: August 27, 2019Date of Patent: February 21, 2023Assignee: BOE TECHNOLOGY GROUP CO., LTD.Inventors: Yongfa Dong, Kuanta Huang, Shengji Yang, Pengcheng Lu, Qing Wang, Hui Tong, Yu Wang, Xiaobin Shen, Xiong Yuan, Dongsheng Li, Rongyuan Zou
-
Patent number: 11569482Abstract: Disclosed are a display panel, a manufacturing method thereof, and a display device. The display panel includes a base substrate and sub-pixels thereon. At least one sub-pixel includes: a light emitting element including a first electrode, a luminous functional layer and a second electrode sequentially stacked, the first electrode being closer to the base substrate than the second electrode; a metal reflective layer, between the base substrate and the first electrode; a silicon nitride layer, between the first electrode and the metal reflective layer, and including a first via hole through which the first electrode is connected with the metal reflective layer; a driving circuit including a driving transistor and a storage capacitor between the base substrate and the metal reflective layer, the driving transistor including a gate electrode connected with the storage capacitor, and source and drain electrodes, one of which is connected with the metal reflective layer.Type: GrantFiled: August 23, 2019Date of Patent: January 31, 2023Assignee: Beijing BOE Technology Development Co., Ltd.Inventors: Hui Tong, Yongfa Dong, Qing Wang, Kuanta Huang
-
Patent number: 11532802Abstract: Disclosed are a display panel, a manufacturing method thereof, and a display device. The display panel includes a base substrate and sub-pixels thereon. At least one sub-pixel includes: a light emitting element including a first electrode, a luminous functional layer and a second electrode sequentially stacked, the first electrode being closer to the base substrate than the second electrode; a metal reflective layer, between the base substrate and the first electrode; a silicon nitride layer, between the first electrode and the metal reflective layer, and including a first via hole through which the first electrode is connected with the metal reflective layer; a driving circuit including a driving transistor and a storage capacitor between the base substrate and the metal reflective layer, the driving transistor including a gate electrode connected with the storage capacitor, and source and drain electrodes, one of which is connected with the metal reflective layer.Type: GrantFiled: August 23, 2019Date of Patent: December 20, 2022Assignee: Beijing BOE Technology Development Co., Ltd.Inventors: Hui Tong, Yongfa Dong, Qing Wang, Kuanta Huang
-
Publication number: 20220384551Abstract: A light-emitting diode display panel, a manufacturing method thereof, and an organic light-emitting diode display device are provided. The light-emitting diode display panel includes: a base substrate including a display region and a peripheral region surrounding the display region; a plurality of sub-pixels located in the display region and located at a side of the base substrate; a color-resistance layer located at a side of a second electrode in the sub-pixel away from the base substrate; and a light-blocking structure located in the peripheral region and being an annular structure surrounding the plurality of sub-pixels. The light-blocking structure includes a first light-blocking structure and a second light-blocking structure. The first light-blocking structure includes at least one interval extending in a direction from the display region pointing to the peripheral region. The second light-blocking structure at least fully fills the interval.Type: ApplicationFiled: August 23, 2019Publication date: December 1, 2022Inventors: Dongsheng LI, Kuanta HUANG, Shengji YANG, Pengcheng LU, Yunlong LI, Qing WANG, Yongfa DONG, Xiaobin SHEN, Hui TONG, Xiong YUAN, Yu WANG, Xiaochuan CHEN
-
Patent number: 11515511Abstract: A light-emitting diode (LED) display panel, a manufacturing method thereof, and an organic light-emitting diode (OLED) display device are disclosed. The LED display panel includes: a base substrate; and a plurality of sub-pixels, a color resistance layer and a light-shielding structure located on the base substrate. The base substrate includes a display region and a periphery region; the sub-pixels are located in the display region; the light-shielding structure is an annular structure located in the periphery region.Type: GrantFiled: August 23, 2019Date of Patent: November 29, 2022Assignee: Beijing BOE Technology Development Co., Ltd.Inventors: Dongsheng Li, Kuanta Huang, Yunlong Li, Shengji Yang, Pengcheng Lu, Xiaochuan Chen, Qing Wang, Hui Tong, Yongfa Dong, Xiaobin Shen, Xiong Yuan, Yu Wang
-
Publication number: 20220367838Abstract: Embodiments of the present disclosure provide a display panel, a manufacturing method thereof, and a display device. The display panel includes a substrate, and a plurality of pixel units on the substrate. The pixel units are arranged in an array, and two adjacent columns of pixel units are spaced apart from each other to form an interval area. Each pixel unit includes a pixel defining layer and sub-pixels, and the sub-pixels are in pixel areas defined by the pixel defining layer. Cathodes of all sub-pixels in one column of pixel units are connected as one single piece.Type: ApplicationFiled: May 13, 2021Publication date: November 17, 2022Inventors: Can WANG, Qiuyu LING, Renquan GU, Jingkai NI, Yongfa DONG
-
Publication number: 20220367581Abstract: A display substrate, comprising: a first electrode layer, which is located on one side of a drive backplane and which comprises a plurality of first electrodes that are distributed in an array; a leakage cutoff layer, which is located on the side of the first electrode layer facing away from the drive backplane and is located between two adjacent first electrodes, the surface of the leakage cutoff layer on the side facing away from the drive backplane having a cutoff recess and cutoff protrusions located on both sides of the cutoff recess; a light-emitting functional layer, which is located on the side of the leakage cutoff layer and the first electrode layer facing away from the drive backplane; and a second electrode layer, which is located on the side of the light-emitting functional layer facing away from the drive backplane.Type: ApplicationFiled: May 14, 2021Publication date: November 17, 2022Inventors: Qing WANG, Kuanta HUANG, Xiaochuan CHEN, Yongfa DONG, Xiong YUAN, Hui TONG, Yu WANG
-
Patent number: 11495775Abstract: A light-emitting device, a method of manufacturing the same and an electronic apparatus. The light-emitting device includes a silicon-based base substrate; at least one organic light-emitting diode device at the silicon-based base substrate; a first encapsulation layer, at a side of the at least one organic light-emitting diode device away from the silicon-based base substrate and including one or more sublayers; a color filter layer, at a side of the first encapsulation layer away from the at least one organic light-emitting diode device; and a second encapsulation layer, at a side of the color filter layer away from the first encapsulation layer and including one or more sublayers. A refractive index of at least one sublayer in the first encapsulation layer is greater than a refractive index of at least one sublayer in the second encapsulation layer.Type: GrantFiled: August 27, 2019Date of Patent: November 8, 2022Assignee: Beijing BOE Technology Development Co., Ltd.Inventors: Qing Wang, Kuanta Huang, Xiaochuan Chen, Yongfa Dong, Xiong Yuan, Dongsheng Li, Hui Tong
-
Publication number: 20220344607Abstract: Provided is an OLED device, which includes a first electrode, a second electrode, and a first light emitting unit located between the first electrode and the second electrode. An absorption rate of the first electrode for blue light is greater than an absorption rate of the first electrode for red light, and the absorption rate of the first electrode for blue light is greater than an absorption rate of the first electrode for green light. The first light emitting unit includes a light emitting layer and a hole functional unit located between the first electrode and the light emitting layer. The hole functional unit at least includes at least two hole functional layers, and any hole functional layer includes a second functional layer for injecting holes and a third functional layer for transporting holes which are stacked along a direction away from the first electrode.Type: ApplicationFiled: November 25, 2020Publication date: October 27, 2022Inventors: Hui TONG, Yuhao LEE, Xiaohu LI, Zhiwei NIAN, Kuanta HUANG, Chao YANG, Xiaobin SHEN, Yongfa DONG, Qing WANG, Shipeng LI, Hongtao YU, Zongshun YANG
-
Publication number: 20220344419Abstract: A display panel includes a drive backplane, a first electrode layer, a light-emitting function layer, and a second electrode. The first electrode layer is provided on a surface of the drive backplane and includes a plurality of first electrodes. The first electrode includes a flat middle part and an edge part surrounding the middle part. The edge part includes a horizontal part surrounding the middle part and a climbing part connecting the middle part and the horizontal part. The light-emitting function layer covers the middle part. The second electrode covers the light-emitting function layer and includes a separating part and a plurality of flat parts separated by the separating part. Orthographic projections are located within the first electrodes. The separating part includes a protruding area and first recessed areas connecting the protruding area and the flat parts. Orthographic projections of the first recessed areas are outside the middle parts.Type: ApplicationFiled: February 2, 2021Publication date: October 27, 2022Inventors: Yu WANG, Kuanta HUANG, Qing WANG, Yongfa DONG, Chao YANG, Shipeng LI, Hui TONG, Shangquan SHI, Xiong YUAN, Dongsheng LI, Xiaobin SHEN
-
Publication number: 20220328567Abstract: A light-emitting diode display panel, a manufacturing method thereof, and an organic light-emitting diode display device are provided. The light-emitting diode display panel includes: a base substrate including a display region and a peripheral region surrounding the display region; a plurality of sub-pixels located in the display region and located at a side of the base substrate; a color-resistance layer located at a side of a second electrode in the sub-pixel away from the base substrate; and a light-blocking structure located in the peripheral region and being an annular structure surrounding the plurality of sub-pixels. The light-blocking structure includes a first light-blocking structure and a second light-blocking structure. The first light-blocking structure includes at least one interval extending in a direction from the display region pointing to the peripheral region. The second light-blocking structure at least fully fills the interval.Type: ApplicationFiled: June 29, 2022Publication date: October 13, 2022Inventors: Dongsheng LI, Kuanta HUANG, Shengji YANG, Pengcheng LU, Yunlong LI, Qing WANG, Yongfa DONG, Xiaobin SHEN, Hui TONG, Xiong YUAN, Yu WANG, Xiaochuan CHEN
-
Publication number: 20220140287Abstract: Provided are a display substrate and a manufacturing method thereof, and a display apparatus. The display substrate includes: a display area and a peripheral area surrounding the display area. The display substrate includes: a base substrate, and a light emitting structure layer, a color filter layer, a first flat layer and an optical layer disposed on the base substrate; the color filter layer is located on one side of the light emitting structure layer away from the base substrate, the first flat layer is located on one side of the color filter layer away from the base substrate, and the optical layer is located on one side of the first flat layer away from the base substrate and is configured to collect light emitted from the color filter layer.Type: ApplicationFiled: March 27, 2020Publication date: May 5, 2022Inventors: Yongfa DONG, Kuanta HUANG, Shipeng LI, Qing WANG, Xiong YUAN, Xiaobin SHEN, Hui TONG, Yu WANG
-
Publication number: 20220131109Abstract: Disclosed are a display panel, a manufacturing method thereof, and a display device. The display panel includes a base substrate and sub-pixels thereon. At least one sub-pixel includes: a light emitting element including a first electrode, a luminous functional layer and a second electrode sequentially stacked, the first electrode being closer to the base substrate than the second electrode; a metal reflective layer, between the base substrate and the first electrode; a silicon nitride layer, between the first electrode and the metal reflective layer, and including a first via hole through which the first electrode is connected with the metal reflective layer; a driving circuit including a driving transistor and a storage capacitor between the base substrate and the metal reflective layer, the driving transistor including a gate electrode connected with the storage capacitor, and source and drain electrodes, one of which is connected with the metal reflective layer.Type: ApplicationFiled: August 23, 2019Publication date: April 28, 2022Applicant: BOE TECHNOLOGY GROUP CO., LTD.Inventors: Hui TONG, Yongfa DONG, Qing WANG, Kuanta HUANG
-
Publication number: 20220115468Abstract: A display panel and a manufacturing method thereof, and an electronic device are provided. The display panel includes a substrate, an array structure layer and a light-emitting structure layer disposed on the substrate. The substrate includes a transistor, the array structure layer includes a first conductive post, a connecting electrode and a second conductive post, the light-emitting structure layer includes a first electrode, an organic light-emitting layer and a second electrode, the first electrode is located on one side of the organic light-emitting layer close to the substrate, and the second electrode is located on one side of the organic light-emitting layer away from the substrate. The first electrode includes a first sub-electrode, a second sub-electrode and a third sub-electrode.Type: ApplicationFiled: March 27, 2020Publication date: April 14, 2022Inventors: Kuanta HUANG, Yongfa DONG, Qing WANG, Shipeng LI, Yu WANG, Hui TONG, Xiong YUAN, Xiaobin SHEN
-
Publication number: 20220115469Abstract: A display panel includes a substrate, a planarization layer disposed at a side of the substrate being provided with partitioning slots to form driving areas in an array; a first electrode layer on the planarization layer having first electrodes; wherein orthographic projections of the first electrodes on the planarization layer are within the driving areas; each of the first electrodes includes a planar center portion and an edge portion, the edge portion includes a planarization portion surrounding the center portion and a slope portion connected between the center portion and the planarization portion; a pixel definition layer on the planarization layer that exposes part of the center portion; a light-emitting functional layer covering the pixel definition layer, the center portion being exposed by the pixel definition layer and the planarization layer and a second electrode covering the light-emitting functional layer.Type: ApplicationFiled: April 21, 2020Publication date: April 14, 2022Inventors: Kuanta HUANG, Hui TONG, Xiong YUAN, Xiaobin SHEN, Yu WANG, Qing WANG, Shipeng LI, Chao YANG, Shangquan SHI, Yongfa DONG, Dongsheng LI
-
Publication number: 20220052136Abstract: A display panel includes a drive backplane, a first electrode layer, a light-emitting function layer, and a second electrode. The first electrode layer is provided on a surface of the drive backplane and includes a plurality of first electrodes. The first electrode includes a flat middle part and an edge part surrounding the middle part. The edge part includes a horizontal part surrounding the middle part and a climbing part connecting the middle part and the horizontal part. The light-emitting function layer covers the middle part. The second electrode covers the light-emitting function layer and includes a separating part and a plurality of flat parts separated by the separating part. Orthographic projections are located within the first electrodes. The separating part includes a protruding area and first recessed areas connecting the protruding area and the flat parts. Orthographic projections of the first recessed areas are outside the middle parts.Type: ApplicationFiled: October 27, 2021Publication date: February 17, 2022Inventors: Yu WANG, Kuanta HUANG, Qing WANG, Yongfa DONG, Chao YANG, Shipeng LI, Hui TONG, Shangquan SHI, Xiong YUAN, Dongsheng LI, Xiaobin SHEN