Patents by Inventor Qiangeng CHENG
Qiangeng CHENG 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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Patent number: 11747703Abstract: The application provides a method for driving a color electronic paper, including: according to an image to be displayed, applying a first driving signal to a first electrode on a to-display-white microcapsule and a second driving signal to a first electrode on a to-display-black microcapsule. The first driving signal includes: a first sub-driving signal applied to the first electrode on the to-display-white microcapsule in display phase; and the first sub-driving signal is configured to drive a white particle in the to-display-white microcapsule to be closer to a display side than a black particle and a colored particle. The second driving signal comprises: a second sub-driving signal applied to the first electrode on the to-display-black microcapsule in display phase, and the second sub-driving signal is configured to drive the black particle in the to-display-black microcapsule to be closer to the display side than the white particle and the colored particle.Type: GrantFiled: February 2, 2021Date of Patent: September 5, 2023Assignees: Chongqing BOE Smart Electronics System Co., Ltd., BOE TECHNOLOGY GROUP CO., LTD.Inventors: Shengbo Zhang, Lichun Chen, Qiangeng Cheng
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Patent number: 11699406Abstract: A control method of an e-ink screen. The e-ink screen includes a plurality of pixels, at least one pixel includes first color charged particles and second color charged particles, and the first color charged particles and the second color charged particles are same in electrical property. The control method of the e-ink screen includes: inputting a first color driving signal to pixels expected to display a first color in the e-ink screen. The first color driving signal includes a plurality of sub-signals corresponding to a plurality of driving stages. The plurality of sub-signals include a first color imaging sub-signal and a particle separation sub-signal. The particle separation sub-signal is configured to drive the first color charged particles and the second color charged particles in the at least one pixel to move, and to separate the first color charged particles from the second color charged particles.Type: GrantFiled: October 29, 2020Date of Patent: July 11, 2023Assignees: Chongqing BOE Smart Electronics System Co., Ltd., BOE TECHNOLOGY GROUP CO., LTD.Inventors: Senlei Ma, Lichun Chen, Bo Liu, Yunyan Xie, Qiangeng Cheng, Heng Zheng
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Patent number: 11573474Abstract: The present disclosure provides a display module and a display device. The display module includes: a substrate in which the substrate includes a first surface and a second surface that are arranged to face each other, and a plurality of side surfaces simultaneously connected to the first surface and the second surface; a display layer arranged on the first surface of the substrate; and a protection structure arranged at a connection position between two adjacent sides of the plurality of side surfaces of the substrate.Type: GrantFiled: December 16, 2019Date of Patent: February 7, 2023Assignees: Chongqing BOE Smart Electronics System Co., Ltd., BOE TECHNOLOGY GROUP CO., LTD.Inventors: Tianlong Li, Zili Ou, Xuangang Li, Qiangeng Cheng, Ganggui Shi, Chuanbo Zou
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Publication number: 20220317538Abstract: The application provides a method for driving a color electronic paper, including: according to an image to be displayed, applying a first driving signal to a first electrode on a to-display-white microcapsule and a second driving signal to a first electrode on a to-display-black microcapsule. The first driving signal includes: a first sub-driving signal applied to the first electrode on the to-display-white microcapsule in display phase; and the first sub-driving signal is configured to drive a white particle in the to-display-white microcapsule to be closer to a display side than a black particle and a colored particle. The second driving signal comprises: a second sub-driving signal applied to the first electrode on the to-display-black microcapsule in display phase, and the second sub-driving signal is configured to drive the black particle in the to-display-black microcapsule to be closer to the display side than the white particle and the colored particle.Type: ApplicationFiled: February 2, 2021Publication date: October 6, 2022Inventors: Shengbo ZHANG, Lichun CHEN, Qiangeng CHENG
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Publication number: 20220319446Abstract: A control method of an e-ink screen. The e-ink screen includes a plurality of pixels, at least one pixel includes first color charged particles and second color charged particles, and the first color charged particles and the second color charged particles are same in electrical property. The control method of the e-ink screen includes: inputting a first color driving signal to pixels expected to display a first color in the e-ink screen. The first color driving signal includes a plurality of sub-signals corresponding to a plurality of driving stages. The plurality of sub-signals include a first color imaging sub-signal and a particle separation sub-signal. The particle separation sub-signal is configured to drive the first color charged particles and the second color charged particles in the at least one pixel to move, and to separate the first color charged particles from the second color charged particles.Type: ApplicationFiled: October 29, 2020Publication date: October 6, 2022Applicants: Chongqing BOE Smart Electronics System Co., Ltd., BOE TECHNOLOGY GROUP CO., LTD.Inventors: Senlei MA, Lichun CHEN, Bo LIU, Yunyan XIE, Qiangeng CHENG, Heng ZHENG
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Patent number: 11348544Abstract: Provided is a method for driving an electronic paper display apparatus, including: applying a first driving signal to a first electrode of a microcapsule to be displayed in white, and applying a second driving signal to a first electrode of a microcapsule to be displayed in black according to a black-and-white particle image to be displayed. The first driving signal includes a first sub-driving signal applied in a display stage, wherein the first sub-driving signal is configured to drive the white particles in the microcapsule to be displayed in white to be closer to a display side relative to the black particles. The second driving signal includes a second sub-driving signal applied in the display stage, wherein the second sub-driving signal is configured to drive the black particles in the microcapsule to be displayed in black to be closer to the display side relative to the white particles.Type: GrantFiled: June 9, 2021Date of Patent: May 31, 2022Assignees: Chongqing BOE Smart Electronics System Co., Ltd., BOE Technology Group Co., Ltd.Inventors: Shengbo Zhang, Qiangeng Cheng, Lichun Chen, Yong Peng
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Publication number: 20220165225Abstract: Provided is a method for driving an electronic paper display apparatus, including: applying a first driving signal to a first electrode of a microcapsule to be displayed in white, and applying a second driving signal to a first electrode of a microcapsule to be displayed in black according to a black-and-white particle image to be displayed. The first driving signal includes a first sub-driving signal applied in a display stage, wherein the first sub-driving signal is configured to drive the white particles in the microcapsule to be displayed in white to be closer to a display side relative to the black particles. The second driving signal includes a second sub-driving signal applied in the display stage, wherein the second sub-driving signal is configured to drive the black particles in the microcapsule to be displayed in black to be closer to the display side relative to the white particles.Type: ApplicationFiled: June 9, 2021Publication date: May 26, 2022Inventors: Shengbo ZHANG, Qiangeng CHENG, Lichun CHEN, Yong PENG
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Patent number: 11264297Abstract: Disclosed are a display panel and a display device, and the display panel includes a substrate, a thin ink film, and a protecting film stacked over each other, where an orthographical projection of the thin ink film onto the substrate covers an orthographical projection of the protecting film onto the substrate, an edge of the thin ink film is coated sealing glue.Type: GrantFiled: November 5, 2019Date of Patent: March 1, 2022Assignees: Chongging BOE Smart Electronics System Co., Ltd., BOE Technology Group Co., Ltd.Inventors: Tianlong Li, Bei Xu, Qiangeng Cheng, Ganggui Shi, Chuanbo Zou, Zili Ou, Xuangang Li, Xingfeng Xi, Bo Liu
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Patent number: 11244219Abstract: The present disclosure discloses an electronic tag and a control method thereof. The electronic tag comprises: a power supply module configured to supply power to the electronic tag; a display module configured to display a display screen required by the electronic tag; an electronic tag circuit configured to control the electronic tag to operate in a state that the electronic tag is powered by the power supply module; and a switch circuit configured to disconnect the power supply module from the electronic tag circuit when the display screen does not need to be updated.Type: GrantFiled: July 29, 2020Date of Patent: February 8, 2022Assignees: CHONGQING BOE SMART ELECTRONICS SYSTEM CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.Inventors: Lichun Chen, Yunyan Xie, Bo Liu, Qiangeng Cheng
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Patent number: 11233545Abstract: The present application discloses a method for operating a wireless communication system. The method includes receiving a series of input data bits in a current timeslot by a transmitter and encoding the input data bits with a cross-Gray coding scheme to obtain coded information bits. Additionally, the method includes mapping the coded information bits to obtain respective multiple transmission symbols Xt for the current timeslot in a constellation diagram. Furthermore, the method includes converting the multiple transmission symbols Xt to generate a space-time matrix St of the current timeslot by incorporating spatial bits associated with orders of respective transmitting antennas based on a space-time matrix St-1 of a previous timeslot. Moreover, the method includes transmitting a respective one of elements in the space-time matrix St using a respective one transmitting antenna activated in the transmitter.Type: GrantFiled: December 9, 2019Date of Patent: January 25, 2022Assignees: CHONGQING BOE SMART ELECTRONICS SYSTEM CO., LTD., BOE Technology Group Co., Ltd.Inventors: Yunyan Xie, Lichun Chen, Bo Liu, Qiangeng Cheng, Han Wang
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Publication number: 20210226673Abstract: The present application discloses a method for operating a wireless communication system. The method includes receiving a series of input data bits in a current timeslot by a transmitter and encoding the input data bits with a cross-Gray coding scheme to obtain coded information bits. Additionally, the method includes mapping the coded information bits to obtain respective multiple transmission symbols Xt for the current timeslot in a constellation diagram. Furthermore, the method includes converting the multiple transmission symbols Xt to generate a space-time matrix St of the current timeslot by incorporating spatial bits associated with orders of respective transmitting antennas based on a space-time matrix St-1 of a previous timeslot. Moreover, the method includes transmitting a respective one of elements in the space-time matrix St using a respective one transmitting antenna activated in the transmitter.Type: ApplicationFiled: December 9, 2019Publication date: July 22, 2021Applicants: CHONGQING BOE SMART ELECTRONICS SYSTEM CO., LTD., BOE Technology Group Co., Ltd.Inventors: Yunyan Xie, Lichun Chen, Bo Liu, Qiangeng Cheng, Han Wang
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Publication number: 20210173279Abstract: The present disclosure provides a display module and a display device. The display module includes: a substrate in which the substrate includes a first surface and a second surface that are arranged to face each other, and a plurality of side surfaces simultaneously connected to the first surface and the second surface; a display layer arranged on the first surface of the substrate; and a protection structure arranged at a connection position between two adjacent sides of the plurality of side surfaces of the substrate.Type: ApplicationFiled: December 16, 2019Publication date: June 10, 2021Inventors: Tianlong LI, Zili OU, Xuangang LI, Qiangeng CHENG, Ganggui SHI, Chuanbo ZOU
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Publication number: 20210089852Abstract: The present disclosure discloses an electronic tag and a control method thereof. The electronic tag comprises: a power supply module configured to supply power to the electronic tag; a display module configured to display a display screen required by the electronic tag; an electronic tag circuit configured to control the electronic tag to operate in a state that the electronic tag is powered by the power supply module; and a switch circuit configured to disconnect the power supply module from the electronic tag circuit when the display screen does not need to be updated.Type: ApplicationFiled: July 29, 2020Publication date: March 25, 2021Inventors: Lichun Chen, Yunyan Xie, Bo Liu, Qiangeng Cheng
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Publication number: 20200211917Abstract: Disclosed are a display panel and a display device, and the display panel includes a substrate, a thin ink film, and a protecting film stacked over each other, where an orthographical projection of the thin ink film onto the substrate covers an orthographical projection of the protecting film onto the substrate, an edge of the thin ink film is coated sealing glue.Type: ApplicationFiled: November 5, 2019Publication date: July 2, 2020Inventors: Tianlong LI, Bei XU, Qiangeng CHENG, Ganggui SHI, Chuanbo ZOU, Zili OU, Xuangang LI, Xingfeng XI, Bo LIU