Patents by Inventor Chunmei Gao
Chunmei Gao 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: 20250048850Abstract: A display panel includes a planarization layer, an anode on a side of the planarization layer, and a pixel defining layer on a side of the anode facing away from the planarization layer; where the pixel defining layer is provided with a pixel opening, and part of the anode is exposed through the pixel opening; the planarization layer is provided with a groove, the groove surrounds the pixel opening, and the groove penetrates through at least part of the planarization layer; and the anode covers the groove, and an end of the anode is located at a side of the groove facing away from the pixel opening. The groove is disposed in the planarization layer, the anode is adjusted to cover the groove, and the end of the anode extends to the side of the groove facing away from the pixel opening.Type: ApplicationFiled: October 24, 2024Publication date: February 6, 2025Applicant: Wuhan Tianma Microelectronics Co., Ltd.Inventors: Qiyong KE, Xianchi WANG, Chunmei GAO
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Patent number: 11798468Abstract: A display panel and a display apparatus are provided. The display panel has a conventional display region and a function display region for arranging an optical function element, and includes first pixel circuits and first fixed potential lines that are located in the conventional display region and electrically connected to the first pixel circuits, and further includes second pixel circuits and second fixed potential lines that are located in the function display region and are electrically connected to the second pixel circuits. A distance between two adjacent first fixed potential lines of the first fixed potential lines is greater than a distance between two adjacent second fixed potential lines of the second fixed potential lines.Type: GrantFiled: October 21, 2022Date of Patent: October 24, 2023Assignee: Shanghai Tianma Micro-Electronics Co., Ltd.Inventors: Zhaokeng Cao, Gaojun Huang, Zhongjie Zhang, Chunmei Gao, Yangzhao Ma
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Publication number: 20230129729Abstract: A display panel and a display device are provided. A first optical component area has a first width along a first direction greater than a second width along a second direction, and a display area includes a first display area and a second display area located at two sides of the first optical component area along the second direction. The display panel includes first signal lines, which include first-type signal lines and second-type signal lines and each include a first portion arranged in the first display area and a second portion arranged in the second display area. A first bypass portion connecting the first portion and the second portion of the first-type signal line is arranged in the display area. A second bypass portion connecting the first portion and the second portion of the second-type signal line is arranged in the first frame area.Type: ApplicationFiled: December 22, 2022Publication date: April 27, 2023Applicant: Shanghai Tianma Micro-Electronics Co., Ltd.Inventors: Gaojun HUANG, Zhongjie ZHANG, Yi LIU, Chunmei GAO, Qibing WEI
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Publication number: 20230054978Abstract: A display panel and a display apparatus are provided. The display panel has a conventional display region and a function display region for arranging an optical function element, and includes first pixel circuits and first fixed potential lines that are located in the conventional display region and electrically connected to the first pixel circuits, and further includes second pixel circuits and second fixed potential lines that are located in the function display region and are electrically connected to the second pixel circuits. A distance between two adjacent first fixed potential lines of the first fixed potential lines is greater than a distance between two adjacent second fixed potential lines of the second fixed potential lines.Type: ApplicationFiled: October 21, 2022Publication date: February 23, 2023Applicant: Shanghai Tianma Micro-Electronics Co., Ltd.Inventors: Zhaokeng CAO, Gaojun HUANG, Zhongjie ZHANG, Chunmei GAO, Yangzhao MA
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Patent number: 11508291Abstract: A display panel and a display apparatus are provided. The display panel has a conventional display region and a function display region for arranging an optical function element, and includes first pixel circuits and first fixed potential lines that are located in the conventional display region and electrically connected to the first pixel circuits, and further includes second pixel circuits and second fixed potential lines that are located in the function display region and are electrically connected to the second pixel circuits. m1 first pixel circuit groups are provided between two adjacent first fixed potential lines, m2 second pixel circuit groups are provided between two adjacent second fixed potential lines, m1 and m2 are each a positive integer greater than or equal to 1, and m2>m.Type: GrantFiled: July 7, 2021Date of Patent: November 22, 2022Assignee: Shanghai Tianma Micro-Electronics Co., Ltd.Inventors: Zhaokeng Cao, Gaojun Huang, Zhongjie Zhang, Chunmei Gao, Yangzhao Ma
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Patent number: 11508286Abstract: Provided are a method for driving a display panel, a display driving device and an electronic device. The method includes: acquiring any one frame of the picture to de displayed; dividing the any one frame of the picture to be displayed into a first partition picture, a second partition picture and a third partition picture; displaying the first partition picture in the first display region, displaying the second partition picture in the second display region, and displaying the third partition picture in the third display region; where in a same frame of picture to be displayed, a density A1 of sub-pixels for displaying the first partition picture, a density A2 of sub-pixels for displaying the second partition picture and a density A3 of sub-pixels for displaying the third partition picture satisfy that A1?A2?A3; and where sub-pixels in the second display region include first sub-pixels and second sub-pixels.Type: GrantFiled: April 26, 2021Date of Patent: November 22, 2022Assignee: WUHAN TIANMA MICRO-ELECTRONICS CO., LTD.Inventors: Yajun Hei, Jingxiong Zhou, Ruiyuan Zhou, Sha Lin, Zhongjie Zhang, Chunmei Gao
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Publication number: 20220302238Abstract: A display panel and a display device are provided, and the display panel includes an array substrate. The array substrate includes a plurality of pixel circuits, a plurality of reference signal lines and a plurality of pixel connecting semiconductor portions. The plurality of pixel circuits is arranged in an array in a row direction and a column direction, each pixel circuit includes a pixel driving semiconductor portion which includes two fixed potential nodes, and the row direction intersects the column direction. The fixed potential nodes are electrically connected to one of the plurality of reference signal lines. Two fixed potential nodes adjacent in a first direction are electrically connected by one of the plurality of the pixel connecting semiconductor portions, and the first direction is parallel to a plane where the array substrate is located.Type: ApplicationFiled: June 8, 2022Publication date: September 22, 2022Applicant: Wuhan Tianma Microelectronics Co., Ltd.Inventors: Hongbo ZHOU, Huangyao WU, Sha LIN, Gaojun HUANG, Chunmei GAO
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Publication number: 20210343222Abstract: Provided are a method for driving a display panel, a display driving device and an electronic device. The method includes: acquiring any one frame of the picture to de displayed; dividing the any one frame of the picture to be displayed into a first partition picture, a second partition picture and a third partition picture; displaying the first partition picture in the first display region, displaying the second partition picture in the second display region, and displaying the third partition picture in the third display region; where in a same frame of picture to be displayed, a density A1 of sub-pixels for displaying the first partition picture, a density A2 of sub-pixels for displaying the second partition picture and a density A3 of sub-pixels for displaying the third partition picture satisfy that A1?A2?A3; and where sub-pixels in the second display region include first sub-pixels and second sub-pixels.Type: ApplicationFiled: April 26, 2021Publication date: November 4, 2021Applicant: Wuhan Tianma Micro-Electronics Co., Ltd.Inventors: Yajun Hei, Jingxiong Zhou, Ruiyuan Zhou, Sha Lin, Zhongjie Zhang, Chunmei Gao
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Publication number: 20210335220Abstract: A display panel and a display apparatus are provided. The display panel has a conventional display region and a function display region for arranging an optical function element, and includes first pixel circuits and first fixed potential lines that are located in the conventional display region and electrically connected to the first pixel circuits, and further includes second pixel circuits and second fixed potential lines that are located in the function display region and are electrically connected to the second pixel circuits. m1 first pixel circuit groups are provided between two adjacent first fixed potential lines, m2 second pixel circuit groups are provided between two adjacent second fixed potential lines, m1 and m2 are each a positive integer greater than or equal to 1, and m2>m.Type: ApplicationFiled: July 7, 2021Publication date: October 28, 2021Applicant: Shanghai Tianma Micro-Electronics Co., Ltd.Inventors: Zhaokeng CAO, Gaojun HUANG, Zhongjie ZHANG, Chunmei GAO, Yangzhao MA
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Patent number: 10809848Abstract: A touch-control display panel, driving method, and a touch-control display device are provided. The touch-control display panel includes: a display area including a plurality of pixels; a non-display area; a first substrate; and a second substrate opposing the first substrate. A portion of the first substrate in the first region includes a pixel electrode layer and a first electrode layer. The first electrode layer is located on a side of the pixel electrode layer away from the second substrate and includes a plurality of first electrodes. The pixel electrode layer includes a plurality of pixel electrodes. A touch-control electrode layer is located on a side of the second substrate toward the first substrate and includes a plurality of touch-control electrodes. Along a direction perpendicular to the touch-control display panel, each touch-control electrode of the plurality of the touch-control electrode overlaps with and connects with one or more first electrode of the plurality of the first electrodes.Type: GrantFiled: October 22, 2018Date of Patent: October 20, 2020Assignee: SHANGHAI TIANMA MICRO-ELECTRONICS CO., LTD.Inventors: Xiangjian Kong, Feng Qin, Jine Liu, Lei Wang, Chunmei Gao, Qiongqin Mao
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Publication number: 20190332219Abstract: A touch-control display panel, driving method, and a touch-control display device are provided. The touch-control display panel includes: a display area including a plurality of pixels; a non-display area; a first substrate; and a second substrate opposing the first substrate. A portion of the first substrate in the first region includes a pixel electrode layer and a first electrode layer. The first electrode layer is located on a side of the pixel electrode layer away from the second substrate and includes a plurality of first electrodes. The pixel electrode layer includes a plurality of pixel electrodes. A touch-control electrode layer is located on a side of the second substrate toward the first substrate and includes a plurality of touch-control electrodes. Along a direction perpendicular to the touch-control display panel, each touch-control electrode of the plurality of the touch-control electrode overlaps with and connects with one or more first electrode of the plurality of the first electrodes.Type: ApplicationFiled: October 22, 2018Publication date: October 31, 2019Inventors: Xiangjian KONG, Feng QIN, Jine LIU, Lei WANG, Chunmei GAO, Qiongqin MAO
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Patent number: 7931386Abstract: A flexible lighting strip includes an insulated flexible electrical power cord and spaced apart modules connected therewith. Each module includes a circuit board with a cavity, indentation, or opening and an encasing overmolding defining a fastener-receiving slot or opening aligned with the cavity, indentation, or opening of the circuit board. Power cord conductors are separated at the connection with each module to define a gap receiving a portion of the circuit board. A separate tiedown is secured to the power cord. Conductive elements receiving electrical power from the power cord and delivering electrical power to the circuit board include an insulation-displacing portion and a recess receiving at least a portion of the power cord and including a retaining barb or hook. An adhesive tape or strip is disposed over at least one overmolding opening to prevent water ingress to the circuit board.Type: GrantFiled: March 19, 2007Date of Patent: April 26, 2011Assignee: GE Lighting Solutions, LLCInventors: Jeffrey Nall, Tomislav Stimac, Chenyang Li, Chunmei Gao, Babi Koushik Saha, Shanshan Xie, Douglas R. Halley
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Patent number: 7832896Abstract: A light engine comprises a plurality of LEDs and a plurality of optical elements each cooperating with a respective LED. The optical elements broaden the off-axis angle from the respective LEDs to provide a more uniform illumination at a target plane.Type: GrantFiled: April 18, 2008Date of Patent: November 16, 2010Assignee: Lumination LLCInventors: Koushik Saha, Jeffrey Nall, Mark J. Mayer, Chunmei Gao, Kevin Carpenter, Shanshan Xie, Yiyu Cao, John Owens
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Patent number: 7687288Abstract: A method of manufacturing a lighting module comprises: mounting one or more light emitting diode (LED) packages on a circuit board to define a lighting unit; and injection overmolding the entire lighting unit except the one or more LED packages using a single type of overmolding material. A lighting module comprises: one or more LED packages mounted on a circuit board; and an injection overmolding sealing the circuit board, the injection overmolding not having openings corresponding to piece holding pins, the injection overmolding not covering at least a light emitting portion of the one or more LED packages.Type: GrantFiled: June 25, 2007Date of Patent: March 30, 2010Assignee: Lumination LLCInventors: Babi Koushik Saha, Jeffrey Nall, Chunmei Gao
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Publication number: 20090262531Abstract: A light engine comprises a plurality of LEDs and a plurality of optical elements each cooperating with a respective LED. The optical elements broaden the off-axis angle from the respective LEDs to provide a more uniform illumination at a target plane.Type: ApplicationFiled: April 18, 2008Publication date: October 22, 2009Inventors: Koushik Saha, Jeffrey Nall, Mark J. Mayer, Chunmei Gao, Kevin Carpenter, Shanshan Xie, Yiyu Cao, John Owens
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Publication number: 20080232105Abstract: A method of manufacturing a lighting module comprises: mounting one or more light emitting diode (LED) packages on a circuit board to define a lighting unit; and injection overmolding the entire lighting unit except the one or more LED packages using a single type of overmolding material. A lighting module comprises: one or more LED packages mounted on a circuit board; and an injection overmolding sealing the circuit board, the injection overmolding not having openings corresponding to piece holding pins, the injection overmolding not covering at least a light emitting portion of the one or more LED packages.Type: ApplicationFiled: June 25, 2007Publication date: September 25, 2008Inventors: Babi Koushik Saha, Jeffrey Nall, Chunmei Gao
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Publication number: 20080232103Abstract: A flexible lighting strip includes an insulated flexible electrical power cord and spaced apart modules connected therewith. Each module includes a circuit board with a cavity, indentation, or opening and an encasing overmolding defining a fastener-receiving slot or opening aligned with the cavity, indentation, or opening of the circuit board. Power cord conductors are separated at the connection with each module to define a gap receiving a portion of the circuit board. A separate tiedown is secured to the power cord. Conductive elements receiving electrical power from the power cord and delivering electrical power to the circuit board include an insulation-displacing portion and a recess receiving at least a portion of the power cord and including a retaining barb or hook. An adhesive tape or strip is disposed over at least one overmolding opening to prevent water ingress to the circuit board.Type: ApplicationFiled: March 19, 2007Publication date: September 25, 2008Inventors: Jeffrey Nall, Tomislav Stimac, Chenyang Li, Chunmei Gao, Babi Koushik Saha, Shanshan Xie, Douglas R. Halley