Patents by Inventor Lingyun SHI
Lingyun SHI 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: 20220138901Abstract: An image display method, an image processing method, an image processing device, a display system, and a computer-readable storage medium are disclosed. The image processing method is applied to an image processing device and includes: determining a first region in an original image; performing first processing on the first region in the original image to obtain a first processed region; performing second processing on the original image to obtain a second processed region; generating a first image based on the first processed region and the second processed region. A resolution of the first processed region is greater than a resolution of the second processed region.Type: ApplicationFiled: January 13, 2022Publication date: May 5, 2022Applicants: BEIJING BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.Inventors: Tiankuo SHI, Xiaomang ZHANG, Xuefeng WANG, Bin DAI, Lingyun SHI, Wei SUN, Bo GAO, Yue LI
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Publication number: 20220139316Abstract: Pixel structure, driving method thereof and display device are disclosed. The pixel structure includes: light-emitting device having first electrode coupled to corresponding first voltage line. Driving chip includes: receiving circuit configured to decode first digital clock signal on first control line in display phase to obtain first address data and light emission data; address storage circuit configured to store reference address data before the display phase; data processing circuit configured to output PWM signal and current control signal corresponding to each light-emitting device according to the light emission data when the first address data is the same as the reference address data; current output circuit configured to output driving current according to the current control signal; and gating circuit configured to sequentially receive the PWM signal corresponding to each light-emitting device and transmit the driving current to the output terminal when the PWM signal is in active-level state.Type: ApplicationFiled: March 30, 2020Publication date: May 5, 2022Inventors: Hong LIU, Qibing GU, Lingyun SHI, Ming CHEN, Xiurong WANG, Guofeng HU, Mingjian YU, Donghui WANG
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Patent number: 11322076Abstract: A pixel driving chip and a driving method therefor, and a display apparatus. The pixel driving chip includes a data input circuit, a time selection circuit, and a current control circuit; the data input circuit is configured to receive display data, and partition the display data to obtain a data partition to which the display data belongs in M data partitions that are obtained on the basis of a display data range; the time selection circuit is configured to determine, according to the data partition to which the display data belongs, an output time length corresponding to the display data, and within the output time length, output the display data to the current control circuit; the current control circuit is configured to determine, according to the display data, a driving current flowing through a light emitting element corresponding to the display data.Type: GrantFiled: October 21, 2020Date of Patent: May 3, 2022Assignees: Beijing BOE Optoelectronics Technology Co., Ltd., BOE Technology Group Co., Ltd.Inventors: Lingyun Shi, Wenchieh Huang, Ming Chen, Xue Dong, Haiwei Sun, Xiurong Wang, Qibing Gu, Guofeng Hu
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Patent number: 11315481Abstract: Disclosed includes an apparatus, a drive method, a display panel, and a display device. The apparatus may comprise a drive transistor, a light emitting device driven by the drive transistor and a comparator. The comparator may have a first input coupled to a pixel voltage, a second input coupled to a reference voltage, a first control terminal coupled to a first control voltage, a second control terminal coupled to a second control voltage, and an output coupled to a gate of the drive transistor. The comparator may be configured to output the first control voltage to the output during a first time period in which the pixel voltage is not smaller than the reference voltage and output the second control voltage to the output during a second time period in which the pixel voltage is smaller than the reference voltage.Type: GrantFiled: November 14, 2019Date of Patent: April 26, 2022Assignees: BOE MLED Technology Co., Ltd., BOE Technology Group Co., Ltd.Inventors: Yankai Gao, Ming Chen, Lingyun Shi, Xin Duan, Yuxin Bi, Hong Liu, Mingjian Yu, Guofeng Hu
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Patent number: 11314354Abstract: A touch driving method and device, an operation mode switching method, a touch devices, and an electronic device are provided, the method includes: controlling a driver module to output a first touch detection signal; controlling a selector module to simultaneously transmit the first touch detection signal outputted by the driver module corresponding to the selector module to n touch electrodes connected to the selector module; detecting whether there is touch input and, when there is the touch input, controlling the driver module to output a second touch detection signal; and controlling the selector module to successively transmit the second touch detection signal outputted by the driver module corresponding to the selector module to the n touch electrodes connected to the selector module.Type: GrantFiled: April 16, 2018Date of Patent: April 26, 2022Assignees: BEIJING BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.Inventors: Wenchao Han, Wei Sun, Lingyun Shi, Dong Chen
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Publication number: 20220123044Abstract: A light emitting plate, a wiring plate and a display device are provided. The light emitting plate includes a base substrate; and light emitting units on the base substrate. Each of the light emitting units includes a light emitting sub-unit, the light emitting sub-unit includes a connection line unit and a light emitting diode chip connected with the connection line unit. The connection line unit includes at least two electrical contact pairs, and each of the at least two electrical contact pairs includes a first electrode contact and a second electrode contact; in each connection line unit, the second electrode contacts are electrically connected with each other, the first electrode contacts are electrically connected with each other, and only one of the at least two electrical contact pairs in each connection line unit is connected with the light emitting diode chip.Type: ApplicationFiled: January 21, 2020Publication date: April 21, 2022Applicant: BOE TECHNOLOGY GROUP CO., LTD.Inventors: Ming YANG, Wei HAO, Qibing GU, Guofeng HU, Lingyun SHI, Minghua XUAN, Can ZHANG
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Patent number: 11308896Abstract: The embodiments of this disclosure disclose a liquid crystal display device and a control method thereof, a head-mounted display device and a computer-readable storage medium. The control method of the liquid crystal display device comprises: obtaining a state of each pixel in the display panel based on inputted image data; obtaining a display zone comprising both pixels in a bright state and pixels in a dark state based on the state of each pixel in the display panel, and using the obtained display zone as a destination zone; obtaining a halo region based on the state of the pixels in the destination zone, wherein the halo region comprises pixels in the dark state in the destination zone; generating a first control signal based on the halo region; and controlling based on the first control signal a backlight zone to be adjusted.Type: GrantFiled: February 22, 2019Date of Patent: April 19, 2022Assignees: BOE MLED TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTDInventors: Tiankuo Shi, Zhihua Ji, Xiaomang Zhang, Lingyun Shi, Xiurong Wang, Hao Zhang, Lili Chen, Yilang Sun, Yifang Chu, Yanhui Xi, Wenyu Li, Ming Chen
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Patent number: 11308897Abstract: A display device and a display control method, and the display device includes: a backlight module, a first display panel, and a second display panel, and a processor. The processor is configured to: acquire a pixel grayscale matrix of an image to be displayed; determine desired brightness of each pixel by using a grayscale-brightness curve of the second display panel based on the pixel grayscale matrix; determine set light-emitting brightness of backlight partition according to grayscale information in the pixel grayscale matrix corresponding to the backlight partition; obtain a first corrected brightness of each backlight partition based on light diffusion coefficients of the plurality of backlight partitions; determine a grayscale of pixel unit according to a brightness difference between the first corrected brightness and the desired brightness; obtain a second corrected brightness of the backlight partition.Type: GrantFiled: May 22, 2020Date of Patent: April 19, 2022Assignees: BOE MLED Technology Co., Ltd., BOE TECHNOLOGY GROUP CO., LTD.Inventors: Tiankuo Shi, Lingyun Shi, Xiaomang Zhang, Xin Duan, Wei Sun, Guofeng Hu, Zhihua Ji, Yanhui Xi, Yan Sun, Bin Dai, Yue Li, Yifan Hou, Yilang Sun, Chuanjun Liu, Xue Dong
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Publication number: 20220117059Abstract: A method of controlling a driving circuit applicable to a light-emitting substrate which includes a light-emitting assembly including a plurality of light-emitting-element strings connected in parallel, each of the plurality of light-emitting strings comprising a plurality of light-emitting-elements connected in series, the driving circuit connected to the plurality of light-emitting-element strings via a wiring, wherein the method comprises: obtaining a wiring IR drop, a light-emitting element string IR drop, a voltage deviation, and a channel IR drop; obtaining a target power supply voltage according to the wiring IR drop. the light-emitting element string IR drop, the voltage deviation, and the channel IR drop; comparing the target power supply voltage with an output voltage to obtain a comparison result; generating an adjustment signal according to the comparison result; and adjusting the output voltage according to the adjustment signal.Type: ApplicationFiled: June 30, 2021Publication date: April 14, 2022Inventors: Wei HAO, Lingyun SHI, Wenchieh HUANG, Feifei WANG, Wengang SU, Rui SHI, Xingce SHANG, Junwei ZHANG, Kaimin YIN, Qibing GU, Lili JIA, Xiurong WANG
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Patent number: 11302271Abstract: A method for driving display panel and a driving device are disclosed. A transition period is inserted between displaying two neighboring frames, pixels in the nth row to the Nth row of the display panel are switched on simultaneously in the transition period, and a voltage with the highest grayscale is applied to the pixels which are switched on. This is equivalent to turning the grayscale of pixels in the nth row to the Nth row into the highest grayscale after displaying a frame and before displaying a next frame. This can improve the response time of pixels in the nth row to the Nth row during displaying the next frame, and thus can increase the display quality of the display panel.Type: GrantFiled: December 7, 2017Date of Patent: April 12, 2022Assignees: BOE TECHNOLOGY GROUP CO., LTD., BEIJING BOE OPTOELECTRONICS TECHNOLOGY CO., LTD.Inventors: Lingyun Shi, Dong Chen, Guangquan Wang
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Patent number: 11295709Abstract: A method for processing image data with reduced transmission bandwidth is provided. The method includes receiving a first set of data for image in a first resolution and receiving a center coordinate. The method further includes determining a high-definition region including an area and a boundary centered on the center coordinate. Additionally, the method includes rendering the first set of data based on the center coordinate and the area of the high-definition region to obtain a first subset of data. Furthermore, the method includes rendering a set of data compressed from the first set of data to obtain a second subset of data beyond the boundary. Moreover, the method includes transmitting a second set of image data to the display panel combining the first subset of data for display image in the first resolution and the second subset of data to display image in the second resolution.Type: GrantFiled: June 4, 2018Date of Patent: April 5, 2022Assignees: BEIJING BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE Technology Group Co., Ltd.Inventors: Yafei Li, Hsinchung Lo, Bo Gao, Wei Sun, Lingyun Shi, Hao Zhang, Ming Chen, Tiankuo Shi, Jinxing Liu, Wenjia Sun, Xue Dong
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Patent number: 11289009Abstract: A pixel driving circuit for a light-emission-device-based display panel is provided, including a driving transistor coupled to a light-emission device per subpixel; a digital-driving circuit having a first input terminal configured to receive a pixel voltage signal corresponding to a grayscale level of a subpixel image to be displayed and a first output terminal coupled to a gate terminal of the driving transistor. The digital-driving circuit is configured to convert the pixel voltage signal to a digital signal and transform the digital signal to a pulse-width-modulation (PWM) signal outputted via the first output terminal to the gate terminal of the driving transistor. The PWM signal comprises a pulse width proportional to the grayscale level as a duty cycle in a period of driving the light-emitting device to display subpixel image.Type: GrantFiled: October 25, 2019Date of Patent: March 29, 2022Assignees: BEIJING BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE Technology Group Co., Ltd.Inventors: Guofeng Hu, Zhenkun Song, Ming Chen, Lingyun Shi, Yuxin Bi, Xin Duan, Yankai Gao, Hong Liu, Mingjian Yu
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Patent number: 11289035Abstract: A method for obtaining a backlight intensity may improving data processing speed of a display device. The method includes: dividing image data into N sets of data; calculating a backlight intensity of each backlight block according to a corresponding set of data; for each group of pixels, calculating a backlight intensity corresponding to a first pixel according to a backlight intensity of each effective backlight block corresponding to the first pixel and a backlight diffusion weight of the effective backlight block corresponding to the first pixel; calculating backlight intensities corresponding to second to Mth pixels in the Tth group of pixels according to the backlight intensities corresponding to first pixels in the Tth group of pixels and a (T+1)th group of pixels; and for a Nth group of pixels, setting the backlight intensity corresponding to the first pixel as backlight intensities corresponding to second to Mth pixels.Type: GrantFiled: June 29, 2020Date of Patent: March 29, 2022Assignees: BEIJING BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.Inventors: Zhihua Ji, Tiankuo Shi, Zhenkun Song, Xiaomang Zhang, Hsinchung Lo, Chingwen Kung, Lingyun Shi, Xin Duan, Yue Li, Yifan Hou
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Publication number: 20220084460Abstract: A pixel driving chip and a driving method therefor, and a display apparatus. The pixel driving chip includes a data input circuit, a time selection circuit, and a current control circuit; the data input circuit is configured to receive display data, and partition the display data to obtain a data partition to which the display data belongs in M data partitions that are obtained on the basis of a display data range; the time selection circuit is configured to determine, according to the data partition to which the display data belongs, an output time length corresponding to the display data, and within the output time length, output the display data to the current control circuit; the current control circuit is configured to determine, according to the display data, a driving current flowing through a light emitting element corresponding to the display data.Type: ApplicationFiled: October 21, 2020Publication date: March 17, 2022Applicants: BEIJING BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.Inventors: Lingyun SHI, Wenchieh HUANG, Ming CHEN, Xue DONG, Haiwei SUN, Xiurong WANG, Qibing GU, Guofeng HU
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Patent number: 11276363Abstract: A display driving control circuit, a display panel, and a driving control method are disclosed. A driving control sub-circuit in the display driving control circuit includes a first data selection sub-circuit, a second data selection sub-circuit, a third data selection sub-circuit, and a fourth data selection circuit. The first data selection sub-circuit, the second data selection sub-circuit, the third data selection sub-circuit, and the fourth data selection circuit are electrically connected to a first selection signal line respectively. The first data selection sub-circuit and the third data selection sub-circuit are electrically connected to a first data channel signal line, and the second data selection sub-circuit and the fourth data selection sub-circuit are electrically connected to a second data channel signal line.Type: GrantFiled: September 19, 2019Date of Patent: March 15, 2022Assignees: BEIJING BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.Inventors: Yafei Li, Zijiao Xue, Lukang Li, Xiaojing Wang, Xin Duan, Lingyun Shi, Xiurong Wang
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Publication number: 20220053615Abstract: A light-emitting substrate and a method of driving the same, a light-emitting module, and a display apparatus are provided. The light-emitting substrate has a plurality of light-emitting areas. The light-emitting substrate includes: a base, a plurality of light-emitting components, a plurality of first power supply voltage signal lines, and a plurality of first control circuits. The plurality of light-emitting components are disposed on the base. The plurality of first power supply voltage signal lines are disposed on the base and arranged at intervals. The plurality of first control circuits are disposed on the base. One light-emitting component is located in one light-emitting area.Type: ApplicationFiled: March 5, 2020Publication date: February 17, 2022Inventors: Wei Hao, Feifei Wang, Wengang Su, Rui Shi, Lingyun Shi, Haiwei Sun, Ming Chen, Xue Dong
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Patent number: 11249609Abstract: A touch display module, includes a touch display panel which includes an array substrate and an alignment substrate arranged opposite each other; and a transparent electrode layer which includes a plurality of pressure detecting electrodes and is disposed on the alignment substrate at a side away from the array substrate.Type: GrantFiled: December 6, 2017Date of Patent: February 15, 2022Assignees: BEIJING BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.Inventors: Wenchao Han, Guangquan Wang, Wei Sun, Lingyun Shi, Yang Chen, Bo Gao, Tiankuo Shi, Dong Chen
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Patent number: 11244636Abstract: An image display processing method for a display device, an image display processing device, a display device, and a storage medium are provided. The display device includes a backlight unit, the backlight unit includes a plurality of backlight blocks and is driven by a local dimming method. The image display processing method includes: obtaining backlight values of backlight blocks in N rows according to display data, which are transmitted, of pixels corresponding to the backlight blocks in the N rows in a current frame of image; based on the display data of the pixels corresponding to the backlight blocks in the N rows and the backlight values, which are obtained, of the backlight blocks in the N rows, obtaining compensated display data of the pixels corresponding to the backlight blocks in the N rows in the current frame of image.Type: GrantFiled: February 27, 2019Date of Patent: February 8, 2022Assignees: BEIJING BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.Inventors: Tiankuo Shi, Lingyun Shi, Zhihua Ji, Xin Duan, Wei Sun
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Patent number: 11232767Abstract: An image display method, a display system, and a computer-readable storage medium are disclosed. The image display method includes: acquiring a first image; determining a first region and a second region in the first image; performing a first rendering algorithm on the first region in the first image and performing a second rendering algorithm on the second region in the first image, so as to obtain a second image, where a rendering resolution of the first rendering algorithm is greater than a rendering resolution of the second rendering algorithm; and displaying the second image.Type: GrantFiled: April 9, 2018Date of Patent: January 25, 2022Assignees: BEIJING BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.Inventors: Tiankuo Shi, Xiaomang Zhang, Bin Dai, Lingyun Shi, Wei Sun, Bo Gao, Yue Li
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Publication number: 20220005990Abstract: A backplane and a glass-based circuit board. The backplane includes: a base substrate and a plurality of light-emitting units, arranged in an array on the base substrate. Each of the light-emitting units (110) includes at least one light-emitting sub-unit; the light-emitting sub-unit includes a connection line (200) and a plurality of light-emitting diode chips connected with the connection line, and the light-emitting diode chips are located on a side of the connection line away from the base substrate. The light-emitting diode chips (300) in the at least one light-emitting sub-unit are connected in series.Type: ApplicationFiled: September 30, 2019Publication date: January 6, 2022Inventors: Wengang SU, Haiwei SUN, Lingyun SHI, Wei HAO, Feifei WANG, Rui SHI