Patents by Inventor Lixia SHEN
Lixia SHEN 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: 20250078738Abstract: The present disclosure provides a method for adjusting display brightness, an apparatus for adjusting display brightness and a display apparatus, belongs to the field of display technology, and can solve the problem that the waste of bonding points is easily caused and the accuracy of adjustment on the display brightness is influenced due to different types of driving chips provided by different manufacturers. The method for adjusting display brightness includes: acquiring a plurality of first display brightness values input corresponding to a plurality of bonding points of a display panel; converting the plurality of first display brightness values into a plurality of second display brightness values according to a preset mapping relationship, and the plurality of second display brightness values are matched with a gamma adjustment curve; and adjusting the display brightness of the display panel by using the plurality of second display brightness values.Type: ApplicationFiled: September 29, 2022Publication date: March 6, 2025Inventors: Lixia SHEN, Shuai HOU, Tan JING
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Publication number: 20240404447Abstract: Provided is a method for driving a display panel, including: acquiring gamma correction data of each of the display blocks; for each pixel in the display panel, determining, based on the gamma correction data of a first display block where the pixel is located, a first correction voltage corresponding to a to-be-displayed target gray scale of the pixel; determining, based on the gamma correction data of at least one second display block adjacent to the first display block, at least one second correction voltage corresponding to the target gray scale; determining a gamma voltage of the pixel based on the first correction voltage, the at least one second correction voltage, and a position of the pixel in the display panel; and driving, based on the gamma voltage, the pixel to display the target gray scale.Type: ApplicationFiled: September 29, 2022Publication date: December 5, 2024Applicants: Chengdu BOE Optoelectronics Technology Co., Ltd., BOE Technology Group Co., Ltd.Inventors: Peng CHEN, Zhicai XU, Shaoning LIU, Jie YANG, Suncun LI, Shiming LI, Lixia SHEN, Eunho LEE
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Patent number: 11545542Abstract: A display panel, a display device, and a method for manufacturing a display panel are disclosed. The display panel includes a first power bus and a first power line. A display region of the display panel includes a first region and a second region, the first region and the second region include a plurality of first pixel units, respectively, the first power bus is between the first region and the second region, and the first power line is electrically connected to the first power bus and extends from the first power bus to the first region and the second region, respectively, so as to supply power to the plurality of first pixel units in the first region and the second region, respectively.Type: GrantFiled: January 22, 2019Date of Patent: January 3, 2023Assignees: CHENGDU BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BEIJING BOE TECHNOLOGY DEVELOPMENT CO., LTD.Inventors: Yong Yu, Chang Zhang, Lixia Shen, Qun Jia, Xuerui Gong
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Patent number: 11533812Abstract: The disclosure provides a bonding method, the bonding method includes: bonding first areas of a plurality of flexible printed circuit boards on a substrate, the plurality of flexible printed circuit boards being sequentially arranged along a direction parallel to a first side of the substrate, and a second area of each of the flexible printed circuit boards exceeds the first side; cutting at least one of the flexible printed circuit boards to enable second sides of all the flexible printed circuit boards to be flush and parallel to the first side, wherein each of the second sides is a side of the second area away from the first area; and bonding second areas of the flexible printed circuit boards with a connection circuit board.Type: GrantFiled: March 20, 2020Date of Patent: December 20, 2022Assignees: CHENGDU BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., Beijing BOE Technology Development Co., Ltd.Inventors: Yong Yu, Chang Zhang, Lixia Shen
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Patent number: 11417271Abstract: A brightness adjustment method of a display panel, a display panel and a driving method thereof are disclosed. The display panel includes a display region. The brightness adjustment method includes: determining a target pulse width for a gate signal inputted into the display region according to data write time determined for the display region; and adjusting a pulse width of the gate signal to the target pulse width, to make the display region display target brightness corresponding to the display region.Type: GrantFiled: October 15, 2018Date of Patent: August 16, 2022Assignees: CHENGU BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.Inventors: Yong Yu, Chuanyan Lan, Lixia Shen, Xiaohuan Chang
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Patent number: 11398190Abstract: A display driving method, a display driving device and a display module are provided. The display driving method includes: during each delay cycle, controlling a first light-emission control signal to be delayed by a predetermined duration from a second light-emission control signal, the predetermined duration corresponding to the delay cycle. The first light-emission control signal is a light-emission control signal outputted by each light-emission control line during an (n+1)-th frame of display time period in the delay cycle, and the second light-emission control signal is a light-emission control signal outputted by the corresponding light-emission control line during an n-th frame of display time period in the delay cycle. Each delay cycle includes N frames of display time periods, N is a positive integer greater than a first predetermined number, and n is a positive integer less than N.Type: GrantFiled: August 30, 2018Date of Patent: July 26, 2022Assignees: CHENGDU BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.Inventors: Lixia Shen, Yong Yu, Zhiguang Zhang, Taehyun Kim, Chang Zhang
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Patent number: 11386718Abstract: The present disclosure provides a display module, and a display method and a terminal thereof, in the field of display technology. The display module includes a display panel and a control circuit; wherein the control circuit is configured to control a target region on the display panel to display a target image when the display panel is in an off-screen state, and the target region includes a fingerprint collection region. The present disclosure solves the problem that fingerprint collection operations on the terminal in the related art are complicated, and reliability is poor. The present disclosure is for fingerprint collection.Type: GrantFiled: May 10, 2018Date of Patent: July 12, 2022Assignees: BOE TECHNOLOGY GROUP CO., LTD., CHENGDU BOE OPTOELECTRONICS TECHNOLOGY CO., LTD.Inventors: Lianbin Liu, Chuanyan Lan, Lixia Shen, Yong Yu
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Patent number: 11335253Abstract: An optical compensation method for a display panel and an optical compensation device are provided. The optical compensation method for the display panel includes selecting a pixel block to be compensated in an edge region; and acquiring a pixel compensation parameter of at least one pixel block in a main body region as a pixel compensation parameter of the pixel block to be compensated.Type: GrantFiled: December 20, 2018Date of Patent: May 17, 2022Assignees: CHENGDU BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.Inventors: Lixia Shen, Chang Zhang, Zhiguang Zhang
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Patent number: 11270663Abstract: A method and device for detecting compensation parameters of brightness, a method and device for compensating brightness, a display device, and a non-volatile storage medium are disclosed. The method for detecting compensation parameters is applied for a display panel, and the display panel includes a first region and a second region, which include first pixel units arranged and second pixel units arranged, respectively. The method includes selecting a first target region from the first region, and determining a first compensation parameter, according to brightness of the first target region, for at least part of the first pixel units in the first region to perform brightness compensation; and selecting a second target region from the second region, and determining a second compensation parameter, according to brightness of the second target region, for at least part of the second pixel units in the second region to perform brightness compensation.Type: GrantFiled: April 22, 2019Date of Patent: March 8, 2022Assignees: CHENGDU BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.Inventors: Yong Yu, Chuanyan Lan, Lixia Shen
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Patent number: 11255973Abstract: A method and an apparatus for extracting a lane line, a device, a computer readable-storage medium and a collection entity are provided. The method includes: obtaining a first group of lane lines of a road based on a first image generated from a point cloud collected by a laser radar; obtaining a second group of lane lines of the road based on a second image collected by a camera; and determining a lane line set of the road based on the first group of lane lines and the second group of lane lines.Type: GrantFiled: March 14, 2019Date of Patent: February 22, 2022Assignee: Apollo Intelligent Driving Technology (Beijing) Co., Ltd.Inventors: Lixia Shen, Ruijie Hou, Shiyu Song, Fangfang Dong
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Publication number: 20210366384Abstract: A brightness adjustment method of a display panel, a display panel and a driving method thereof are disclosed. The display panel includes a display region. The brightness adjustment method includes: determining a target pulse width for a gate signal inputted into the display region according to data write time determined for the display region; and adjusting a pulse width of the gate signal to the target pulse width, to make the display region display target brightness corresponding to the display region.Type: ApplicationFiled: October 15, 2018Publication date: November 25, 2021Inventors: Yong YU, Chuanyan LAN, Lixia SHEN, Xiaohuan CHANG
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Publication number: 20210358419Abstract: A display driving method, a display driving device and a display module are provided. The display driving method includes: during each delay cycle, controlling a first light-emission control signal to be delayed by a predetermined duration from a second light-emission control signal, the predetermined duration corresponding to the delay cycle. The first light-emission control signal is a light-emission control signal outputted by each light-emission control line during an (n+1)-th frame of display time period in the delay cycle, and the second light-emission control signal is a light-emission control signal outputted by the corresponding light-emission control line during an n-th frame of display time period in the delay cycle. Each delay cycle includes N frames of display time periods, N is a positive integer greater than a first predetermined number, and n is a positive integer less than N.Type: ApplicationFiled: August 30, 2018Publication date: November 18, 2021Applicants: CHENGDU BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.Inventors: Lixia SHEN, Yong YU, Zhiguang ZHANG, Taehyun KIM, Chang ZHANG
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Publication number: 20210335223Abstract: An optical compensation method for a display panel and an optical compensation device are provided. The optical compensation method for the display panel includes selecting a pixel block to be compensated in an edge region; and acquiring a pixel compensation parameter of at least one pixel block in a main body region as a pixel compensation parameter of the pixel block to be compensated.Type: ApplicationFiled: December 20, 2018Publication date: October 28, 2021Inventors: Lixia SHEN, Chang ZHANG, Zhiguang ZHANG
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Publication number: 20210256283Abstract: The present disclosure provides a display module, and a display method and a terminal thereof, in the field of display technology. The display module includes a display panel and a control circuit; wherein the control circuit is configured to control a target region on the display panel to display a target image when the display panel is in an off-screen state, and the target region includes a fingerprint collection region. The present disclosure solves the problem that fingerprint collection operations on the terminal in the related art are complicated, and reliability is poor. The present disclosure is for fingerprint collection.Type: ApplicationFiled: May 11, 2018Publication date: August 19, 2021Inventors: Lianbin Liu, Chuanyan Lan, Lixia Shen, Yong Yu
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Publication number: 20210225996Abstract: A display panel, a display device, and a method for manufacturing a display panel are disclosed. The display panel includes a first power bus and a first power line. A display region of the display panel includes a first region and a second region, the first region and the second region include a plurality of first pixel units, respectively, the first power bus is between the first region and the second region, and the first power line is electrically connected to the first power bus and extends from the first power bus to the first region and the second region, respectively, so as to supply power to the plurality of first pixel units in the first region and the second region, respectively.Type: ApplicationFiled: January 22, 2019Publication date: July 22, 2021Inventors: Yong YU, Chang ZHANG, Lixia SHEN, Qun JIA, Xuerui GONG
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Patent number: 11069296Abstract: The invention provides a regulating device and a regulating method for a gray scale voltage, and a display device. The regulating device includes a voltage dividing circuit configured to generate a gray scale voltage according to a first input voltage and a second input voltage; a first voltage regulator configured to regulate a first fixed voltage to output the first input voltage, such that the voltage dividing circuit can generate a predetermined number of gray scale steps for all display brightness.Type: GrantFiled: May 16, 2019Date of Patent: July 20, 2021Assignees: Chengdu BOE Optoelectronics Technology Co., Ltd., BOE Technology Group Co., Ltd.Inventors: Chuanyan Lan, Lixia Shen, Yong Yu
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Publication number: 20210168946Abstract: The disclosure provides a bonding method, the bonding method includes: bonding first areas of a plurality of flexible printed circuit boards on a substrate, the plurality of flexible printed circuit boards being sequentially arranged along a direction parallel to a first side of the substrate, and a second area of each of the flexible printed circuit boards exceeds the first side; cutting at least one of the flexible printed circuit boards to enable second sides of all the flexible printed circuit boards to be flush and parallel to the first side, wherein each of the second sides is a side of the second area away from the first area; and bonding second areas of the flexible printed circuit boards with a connection circuit board.Type: ApplicationFiled: March 20, 2020Publication date: June 3, 2021Inventors: Yong YU, Chang ZHANG, Lixia SHEN
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Publication number: 20210166654Abstract: A method and device for detecting compensation parameters of brightness, a method and device for compensating brightness, a display device, and a non-volatile storage medium are disclosed. The method for detecting compensation parameters is applied for a display panel, and the display panel includes a first region and a second region, which include first pixel units arranged and second pixel units arranged, respectively. The method includes selecting a first target region from the first region, and determining a first compensation parameter, according to brightness of the first target region, for at least part of the first pixel units in the first region to perform brightness compensation; and selecting a second target region from the second region, and determining a second compensation parameter, according to brightness of the second target region, for at least part of the second pixel units in the second region to perform brightness compensation.Type: ApplicationFiled: April 22, 2019Publication date: June 3, 2021Inventors: Yong YU, Chuanyan LAN, Lixia SHEN
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Publication number: 20200388221Abstract: The invention provides a regulating device and a regulating method for a gray scale voltage, and a display device. The regulating device includes a voltage dividing circuit configured to generate a gray scale voltage according to a first input voltage and a second input voltage; a first voltage regulator configured to regulate a first fixed voltage to output the first input voltage, such that the voltage dividing circuit can generate a predetermined number of gray scale steps for all display brightness.Type: ApplicationFiled: May 16, 2019Publication date: December 10, 2020Inventors: Chuanyan LAN, Lixia SHEN, Yong YU
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Patent number: 10810958Abstract: Embodiments of the present disclosure provide a display panel and a drive method thereof, and a display device. The display panel includes a plurality of sets of pixel columns and a plurality of drive circuits. Each of the sets of pixel columns includes a plurality of subpixel columns. The plurality of drive circuits correspond to the plurality of sets of pixel columns respectively. Each of the drive circuits is further configured to send, to an adjacent drive circuit, a source data signal for the subpixel column in the set of pixel columns of the drive circuit, and/or receive, from the adjacent drive circuit, a source data signal for the subpixel column in the set of pixel columns of the adjacent drive circuit and generate a data signal for driving the subpixel column in the set of pixel columns of the drive circuit, based on the received source data signal.Type: GrantFiled: August 31, 2018Date of Patent: October 20, 2020Assignees: CHENGDU OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.Inventors: Lixia Shen, Zhiguang Zhang, Chang Zhang, Yong Yu, Tae Hyun Kim