Patents by Inventor Dongmei Wei
Dongmei Wei 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: 20250151590Abstract: A display panel and a display device are disclosed. The display panel includes a substrate, a light-emitting element layer, a pixel defining layer, an encapsulation layer, a refraction layer, and a color filter layer. The refraction layer is arranged on the encapsulation layer to refract light entering the refraction layer. The color filter layer is arranged on the refraction layer, and includes a black matrix disposed in a non-opening area and multiple color filters disposed in a non-opening area. Every two adjacent color filters are separated by the black matrix. The refraction layer includes multiple refraction portions. Each refraction portion is arranged under the black matrix, is located in the non-opening area, and extends toward the opening area. The refraction portions are each used to refract the external ambient light and receive the reflected light reflected by the light-emitting element and refract the reflected light to the black matrix.Type: ApplicationFiled: October 30, 2024Publication date: May 8, 2025Inventors: WENYU YI, Tianjun Huang, Zhonglin Cao, Chuan Wu, Yajuan Feng, Yao Li, Dongmei Wei, Jie Chen, Haijiang Yuan
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Publication number: 20250138379Abstract: A display panel, a display device, and an electronic device are disclosed. The display panel includes a flexible substrate, a plurality of pixel islands, an electrochromic layer, and a plurality of force sensors. In response to a stretching length of a corresponding one of a plurality of flexible connection lines being greater than a preset value, each of the plurality of force sensors is configured to enable the electrochromic layer to be switched to a transparent state to allow light emitted from the display panel to pass therethrough. In response to the stretching length of the corresponding one of the plurality of flexible connection lines being less than the preset value, each of the plurality of force sensors is configured to enable the electrochromic layer to be switched to an opaque state to block the light emitted from the display panel.Type: ApplicationFiled: October 30, 2024Publication date: May 1, 2025Applicant: HKC CORPORATION LIMITEDInventors: Wenyu YI, Chuan WU, Zhonglin CAO, Yajuan FENG, Dongmei WEI, Jie CHEN, Yao LI, Junfeng XIE
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Patent number: 12271554Abstract: Disclosed are a touch circuit and driving method, and a touch display panel, the touch circuit includes a plurality of touch units, each touch unit includes a touch signal line, one or more data lines corresponding to the touch signal line, a data signal line connected to the data lines, transmitting a data signal to the data lines, a common signal line connected to the touch electrode; each touch unit includes a first transistor, a control terminal of the first transistor is connected to a first control signal line, a first conducting terminal is connected to the data lines or the data signal line, a second conducting terminal is connected to the touch signal line; though the aforesaid structure, reusing of the data signal line, reducing of the number of wires in the fanout wiring area, an effect of narrow bezel in the lower bezel can be realized.Type: GrantFiled: April 9, 2024Date of Patent: April 8, 2025Assignee: HKC CORPORATION LIMITEDInventors: Dongmei Wei, Zhonglin Cao, Jie Chen, Yajuan Feng, Yao Li, Haijiang Yuan
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Publication number: 20250089467Abstract: The present disclosure provides a display panel, including: conductive isolation structures arranged on a pixel definition layer and each surrounding one of pixel accommodation areas; each of the conductive isolation structures including a main structure and a top structure located on an upper surface of the main structure and shielding the main structure; a portion of the top structure extending beyond the upper surface of the main structure being defined as an overhanging part; an encapsulating layer covering sub-pixels and extending along sidewalls of the conductive isolation structures to form grooves surrounded by the encapsulating layer; an area directly below the overhanging part and located in one of the grooves being defined as a shielding area; a plurality of insulating spherical structures at least filling the shielding area to support the overhanging part. The present disclosure also provides a method for producing the display panel.Type: ApplicationFiled: September 2, 2024Publication date: March 13, 2025Applicants: Mianyang HKC Optoelectronics Technology Co., Ltd., HKC CORPORATION LIMITEDInventors: Chuan WU, Dongmei WEI, Zhonglin CAO, Yao LI, Haijiang YUAN
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Patent number: 12230648Abstract: The present disclosure provides a display substrate, a manufacturing method thereof and a display apparatus, and relates to the field of display technology. The manufacturing method of a display substrate includes providing a base substrate, and forming pixels on the base substrate, wherein the forming pixels includes: forming a first auxiliary electrode on the base substrate; forming a first interlayer insulating layer on a side of the first auxiliary electrode away from the base substrate; sequentially forming a second conductive film and a first photoresist layer, exposing the first photoresist layer with a mask plate having regions of different light transmittances by controlling exposure time based on requirements on an operating frequency band of the pixels, to form a source electrode and a drain electrode of the thin film transistor and a second auxiliary electrode, forming a second interlayer insulating layer; and forming a pixel electrode.Type: GrantFiled: October 28, 2021Date of Patent: February 18, 2025Assignees: Chengdu BOE Optoelectronics Technology Co., Ltd., BOE TECHNOLOGY GROUP CO., LTD.Inventors: Hao Luo, Bo Wu, Dongmei Wei, Yin Deng, Zhengdong Zhang, Yao Li
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Patent number: 12216375Abstract: The present disclosure provides an electronic paper display module, including an array substrate and an electronic paper film arranged opposite to each other. The electronic paper film includes a common electrode, the array substrate includes a display region and a peripheral region, and a common electrode lead is located at the peripheral region. An orthogonal projection of the electronic paper film onto the array substrate at least covers the display region, and the common electrode lead is provided with a hollowed-out region.Type: GrantFiled: August 26, 2021Date of Patent: February 4, 2025Assignees: Chengdu BOE Optoelectronics Technology Co., Ltd., BOE Technology Group Co., Ltd.Inventors: Hao Luo, Yin Deng, Bo Wu, Dongmei Wei
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Publication number: 20250008828Abstract: This application discloses a display panel and a display device. There is a fingerprint recognition region in the display area. A fingerprint recognition element is disposed in the display panel correspondingly below the fingerprint recognition region. The display panel includes an organic light-emitting layer and a color filter layer arranged on a light-emitting side of the light-emitting layer. The color filter layer includes a first black matrix and a color filter. The first black matrix is disposed corresponding to the fingerprint recognition region. Adjacent color filters are separated by the first black matrix. The first black matrix includes carbon black filaments, which are in the shape of elongated strips. Each carbon black filament has a length that lies in the range of 100 nm to 1000 nm and a diameter range that lies in the range of 1 nm to 100 nm.Type: ApplicationFiled: April 19, 2024Publication date: January 2, 2025Inventors: Yao LI, Tianjun HUANG, Zhonglin CAO, Chuan WU, Wenyu YI, Yajuan FENG, Dongmei WEI, Jie CHEN, Lidan YE
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Publication number: 20250004592Abstract: Disclosed are a touch circuit and driving method, and a touch display panel, the touch circuit includes a plurality of touch units, each touch unit includes a touch signal line, one or more data lines corresponding to the touch signal line, a data signal line connected to the data lines, transmitting a data signal to the data lines, a common signal line connected to the touch electrode; each touch unit includes a first transistor, a control terminal of the first transistor is connected to a first control signal line, a first conducting terminal is connected to the data lines or the data signal line, a second conducting terminal is connected to the touch signal line; though the aforesaid structure, reusing of the data signal line, reducing of the number of wires in the fanout wiring area, an effect of narrow bezel in the lower bezel can be realized.Type: ApplicationFiled: April 9, 2024Publication date: January 2, 2025Inventors: Dongmei WEI, Zhonglin CAO, Jie CHEN, Yajuan FENG, Yao LI, Haijiang YUAN
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Publication number: 20240363643Abstract: Some embodiments of the present disclosure provide an array substrate and a display pane. Multiple pixel electrode branches in a corresponding one of the pixel regions are divided into a first pixel electrode branch and a second pixel electrode branch by a corresponding one of the metal common electrodes. The first pixel electrode branch and the second pixel electrode branch, which are located in different pixel regions and which are adjacent to each other, are respectively connected to different drains of the same TFT. In each pixel region, an end of the first pixel electrode branch close to a corresponding one of the scan lines is connected to a corresponding one of the TFTs, and an end of the second pixel electrode branch close to another corresponding one of the scan lines is connected to another corresponding one of the TFTs.Type: ApplicationFiled: April 21, 2024Publication date: October 31, 2024Inventors: Yao LI, Chuan WU, Zhonglin CAO, Wenyu YI, Dongmei WEI, Yajuan FENG, Jie CHEN, Baohong KANG
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Publication number: 20230123019Abstract: The present disclosure provides a display substrate, a manufacturing method thereof and a display apparatus, and relates to the field of display technology. The manufacturing method of a display substrate includes providing a base substrate, and forming pixels on the base substrate, wherein the forming pixels includes: forming a first auxiliary electrode on the base substrate; forming a first interlayer insulating layer on a side of the first auxiliary electrode away from the base substrate; sequentially forming a second conductive film and a first photoresist layer, exposing the first photoresist layer with a mask plate having regions of different light transmittances by controlling exposure time based on requirements on an operating frequency band of the pixels, to form a source electrode and a drain electrode of the thin film transistor and a second auxiliary electrode, forming a second interlayer insulating layer; and forming a pixel electrode.Type: ApplicationFiled: October 28, 2021Publication date: April 20, 2023Inventors: Hao LUO, Bo WU, Dongmei WEI, Yin DENG, Zhengdong ZHANG, Yao LI
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Patent number: 11587956Abstract: An array substrate includes a gate layer, a first insulating layer, a channel layer, a source-drain layer, a second insulating layer, and a common electrode layer that are sequentially stacked, wherein the second insulating lay is provided with via holes formed therein; and the source-drain layer includes a plurality of sources, a plurality of drains, a plurality of data lines and a plurality of common electrode signal lines. The common electrode signal line includes a plurality of common electrode signal line segments, each of the common electrode signal line segments passes through at least one sub-pixel row, and each of the common electrode signal line segments is connected to the common electrode layer through the via hole.Type: GrantFiled: August 30, 2021Date of Patent: February 21, 2023Assignees: Chengdu BOE Optoelectronics Technology Co., Ltd., BOE Technology Group Co., Ltd.Inventors: Bo Wu, Yin Deng, Dongmei Wei, Hao Luo
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Patent number: 11579670Abstract: The present disclosure relates to the field of display technology, and provides an array substrate and a display panel. The array substrate is provided with a via hole and further includes an annular wiring area. The annular wiring area is located around the via hole and is provided with an incision extending toward an outer edge of the annular wiring area along an inner edge of the annular wiring area, and at least a portion of the annular wiring area is bent toward a side away from a display side along the inner edge.Type: GrantFiled: June 8, 2020Date of Patent: February 14, 2023Assignees: CHENGDU BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.Inventors: Yin Deng, Hao Luo, Ting Li, Bo Wu, Dongmei Wei, Chaoguan Gong
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Patent number: 11532645Abstract: An array substrate includes a base, a plurality of thin film transistors, a passivation layer, at least one reflective electrode, and at least one first connecting electrode. The array substrate has a display area. The thin film transistors are disposed in the display area on the base. The passivation layer covers the thin film transistors, and has at least one first via hole in the display area. The reflective electrode is disposed on a surface of the passivation layer facing away from the base, and is disposed in the display area and uncovers the first via hole. The first connecting electrode is disposed on a side of the reflective electrode away from the base. Each first connecting electrode is connected to a corresponding reflective electrode, and is connected to a source or a drain of a corresponding thin film transistor through a corresponding first via hole.Type: GrantFiled: August 31, 2020Date of Patent: December 20, 2022Assignees: CHENGDU BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.Inventors: Dongmei Wei, Hao Luo, Bo Wu
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Publication number: 20220157858Abstract: The application relates to the technical field of display, and discloses a display panel, a preparation method thereof and a display device. The display panel includes: a rigid base substrate; a flexible insulating layer having a first part and a second part, the first part being disposed on the base substrate, the second part exceeding a side edge of the base substrate; and an integrated circuit chip and a flexible printed circuit respectively bonded and connected with the second part of the flexible insulating layer.Type: ApplicationFiled: January 31, 2022Publication date: May 19, 2022Inventors: Hao Luo, Yin Deng, Dongmei Wei, Bo Wu
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Publication number: 20220121079Abstract: The present disclosure provides an electronic paper display module, including an array substrate and an electronic paper film arranged opposite to each other. The electronic paper film includes a common electrode, the array substrate includes a display region and a peripheral region, and a common electrode lead is located at the peripheral region. An orthogonal projection of the electronic paper film onto the array substrate at least covers the display region, and the common electrode lead is provided with a hollowed-out region.Type: ApplicationFiled: August 26, 2021Publication date: April 21, 2022Inventors: Hao LUO, Yin DENG, Bo WU, Dongmei WEI
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Publication number: 20220077196Abstract: An array substrate includes a gate layer, a first insulating layer, a channel layer, a source-drain layer, a second insulating layer, and a common electrode layer that are sequentially stacked, wherein the second insulating lay is provided with via holes formed therein; and the source-drain layer includes a plurality of sources, a plurality of drains, a plurality of data lines and a plurality of common electrode signal lines. The common electrode signal line includes a plurality of common electrode signal line segments, each of the common electrode signal line segments passes through at least one sub-pixel row, and each of the common electrode signal line segments is connected to the common electrode layer through the via hole.Type: ApplicationFiled: August 30, 2021Publication date: March 10, 2022Inventors: Bo WU, Yin DENG, Dongmei WEI, Hao LUO
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Patent number: 11210979Abstract: The present disclosure relates to a detection circuit. The detection circuit includes a first input circuit and a second input circuit. The first input circuit has multiple first switch units, each of which being disposed in a one-to-one correspondence with one of multiple first signal lines. The second input circuit has multiple second switch units connected in a cascade arrangement, each of which being disposed in a one-to-one correspondence with one of multiple first signal lines. A second terminal of the second switch unit in a previous stage is connected to a first terminal of the second switch unit in the next adjacent stage. The first terminal of the second switch unit of a first stage is connected to a second terminal of a corresponding first signal line. The second terminal of the second switch unit of a last stage is connected to a first detection terminal.Type: GrantFiled: July 31, 2020Date of Patent: December 28, 2021Assignees: Chengdu BOE Optoelectronics Technology Co., Ltd., BOE TECHNOLOGY GROUP CO., LTD.Inventors: Hao Luo, Dongmei Wei, Yin Deng
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Publication number: 20210191481Abstract: The present disclosure relates to the field of display technology, and provides an array substrate and a display panel. The array substrate is provided with a via hole and further includes an annular wiring area. The annular wiring area is located around the via hole and is provided with an incision extending toward an outer edge of the annular wiring area along an inner edge of the annular wiring area, and at least a portion of the annular wiring area is bent toward a side away from a display side along the inner edge.Type: ApplicationFiled: June 8, 2020Publication date: June 24, 2021Inventors: Yin DENG, Hao LUO, Ting LI, Bo WU, Dongmei WEI, Chaoguan GONG
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Publication number: 20210192997Abstract: The present disclosure relates to a detection circuit. The detection circuit includes a first input circuit and a second input circuit. The first input circuit has multiple first switch units, each of which being disposed in a one-to-one correspondence with one of multiple first signal lines. The second input circuit has multiple second switch units connected in a cascade arrangement, each of which being disposed in a one-to-one correspondence with one of multiple first signal lines. A second terminal of the second switch unit in a previous stage is connected to a first terminal of the second switch unit in the next adjacent stage. The first terminal of the second switch unit of a first stage is connected to a second terminal of a corresponding first signal line. The second terminal of the second switch unit of a last stage is connected to a first detection terminal.Type: ApplicationFiled: July 31, 2020Publication date: June 24, 2021Inventors: Hao LUO, Dongmei WEI, Yin DENG
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Publication number: 20210183896Abstract: An array substrate includes a base, a plurality of thin film transistors, a passivation layer, at least one reflective electrode, and at least one first connecting electrode. The array substrate has a display area. The thin film transistors are disposed in the display area on the base. The passivation layer covers the thin film transistors, and has at least one first via hole in the display area. The reflective electrode is disposed on a surface of the passivation layer facing away from the base, and is disposed in the display area and uncovers the first via hole. The first connecting electrode is disposed on a side of the reflective electrode away from the base. Each first connecting electrode is connected to a corresponding reflective electrode, and is connected to a source or a drain of a corresponding thin film transistor through a corresponding first via hole.Type: ApplicationFiled: August 31, 2020Publication date: June 17, 2021Inventors: Dongmei WEI, Hao LUO, Bo WU