Patents by Inventor Zhifu Li
Zhifu Li 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: 12204133Abstract: A backlight module and a display panel are provided. The display panel includes a display panel main body and a backlight module. The backlight module includes a light guide, a first reflector, and a light source. By arranging the light source in a receiving cavity of the light guide, a width of a lamp socket of the backlight module is reduced, and a light effect of the lamp socket of the backlight module is improved.Type: GrantFiled: May 10, 2024Date of Patent: January 21, 2025Assignee: WUHAN CHINA STAR OPTOELECTRONICS TECHNOLOGY CO., LTD.Inventors: Dong Tian, Gege Zhou, Wei Zhou, Jianfeng Yuan, Zhifu Li
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Patent number: 12165609Abstract: The present application provides a display panel in which transistors in an input pull-up module, a stage transfer output module, and an output pull-up module are provided as P-type low temperature polysilicon thin film transistors, and a transistor in an output pull-down module is provided as an N-type metal oxide thin film transistor.Type: GrantFiled: September 6, 2021Date of Patent: December 10, 2024Assignee: Wuhan China Star Optoelectronics Technology Co., Ltd.Inventors: Haiming Cao, Chao Tian, Yanqing Guan, Fei Ai, Guanghui Liu, Zhifu Li
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Patent number: 12165605Abstract: An image display method is provided. The method includes: in response to receiving an Nth frame synchronization signal, acquiring an (N+1)th frame image to be displayed and pixel data of pixels in the (N+1)th frame image to be displayed (S12); calculating backlight brightness data of a display screen according to the pixel data by a backlight algorithm (S14); in response to receiving an (N+1)th frame synchronization signal, synchronously sending the (N+1)th frame image to be displayed and the backlight brightness data to the display screen and a backlight driving board respectively (S16). In addition, the present application further discloses an image processing apparatus, an electronic device and a storage medium.Type: GrantFiled: December 25, 2020Date of Patent: December 10, 2024Assignees: Beijing BOE Optoelectronics Technology Co., Ltd., BOE Technology Group Co., Ltd.Inventors: Zhifu Li, Jinghua Miao, Wenyu Li, Mingyang Yan
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Publication number: 20240405003Abstract: The present application provides a display panel and a display device. The display panel includes a plurality of pixel units, wherein each of the pixel units includes a sub-pixel, the sub-pixel includes a first micro-LED chip, and in a top view, a gap is provided between adjacent ones of the first micro-LED chips; and a functional element disposed at the gap, wherein a function of the functional element is different from a display function of the sub-pixel, in order to improve integration of the display panel, increase an added value of the display panel, and save a space of the whole machine.Type: ApplicationFiled: August 8, 2024Publication date: December 5, 2024Applicant: WUHAN CHINA STAR OPTOELECTRONICS TECHNOLOGY CO., LTD.Inventors: Guowei ZHA, Jianfeng YUAN, Zhifu LI
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Patent number: 12154470Abstract: A gate driving circuit and a display panel are disclosed. A pull-up control module and a pull-down module of each stage gate driving unit are connected to a first node. A thin film transistor in the pull-up control module and/or pull-down module that is connected to the first node is an oxide thin film transistor, such that a leakage current of the first node is reduced due to the advantage of the small off-state leakage current of the oxide thin film transistor. Therefore, the voltage level of the first node can remain stable during a pull-up stage and a touch suspension stage.Type: GrantFiled: October 29, 2021Date of Patent: November 26, 2024Inventors: Haiming Cao, Yanqing Guan, Chao Tian, Fei Ai, Guanghui Liu, Zhifu Li
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Publication number: 20240386855Abstract: A display method for inhibiting color separation, including: acquiring an original image to be displayed, and determining a plurality of frames of sub-images each having a single channel according to the original image; determining backlight data and pixel data of each of the plurality of frames of sub-images; sequentially displaying at least part of sub-images in the plurality of frames of sub-images, in a preset sequence, according to the backlight data and the pixel data of respective frames of sub-images, where the backlight data of any one frame of displayed sub-image serves to light up all colors contained in the backlight assembly, and the backlight data of the sub-images except the any one frame of displayed sub-image serves to light up each time one color contained in the backlight assembly.Type: ApplicationFiled: August 22, 2022Publication date: November 21, 2024Inventors: Zhifu LI, Hao ZHANG, Jinghua MIAO
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Publication number: 20240380872Abstract: A video communication method and system based on three-dimensional displaying. The method comprises: a first device obtains information of a first view point of first user at a first moment and sends the information to a second device; the second device photographs first images of second user by m cameras, determines first high/low definition regions of first images according to first view point, separately encodes first high/low definition regions sends encoded data to first device; first device decodes to obtain m second images, determines second high/low definition regions of second images according to an offset of current view point relative to first view point; first and second three-dimensional models are obtained by respectively calculating and rendering second high/low definition regions with first and second neural networks, the two models are combined to obtain third three-dimensional model, target display position of which on display screen is determined and displaying is performed.Type: ApplicationFiled: July 7, 2023Publication date: November 14, 2024Inventors: Zhifu LI, Lili CHEN, Jinghua MIAO, Wenyu LI
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Publication number: 20240363758Abstract: A display panel is provided by embodiments of the present application, a thin film transistor includes: a first gate electrode including a first side slope, a second side slope oppositely arranged, and a top surface; a first gate insulating layer covering the first gate electrode; a semiconductor layer arranged on the first gate insulating layer, wherein the semiconductor layer includes a first end, a second end, and a channel arranged between the first end and the second end, the second end is at least partially on the top surface, the channel is at least partially located on the first side slope.Type: ApplicationFiled: February 28, 2023Publication date: October 31, 2024Applicant: WUHAN CHINA STAR OPTOELECTRONICS TECHNOLOGY CO., LTD.Inventors: Zhifu LI, Guanghui LIU, Chao DAI, Fei AI, Dewei SONG, Zhuang LI
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Patent number: 12093449Abstract: Provided is a method for processing three-dimensional image data, applicable to providing three-dimensional image data to a three-dimensional display terminal, wherein the three-dimensional display terminal is provided with a plurality of viewpoints successively arranged, and a viewing region of the three-dimensional display terminal includes a plurality of sub-regions. The method includes: receiving indication information, wherein the indication information is indicative of a number of target sub-regions, the target sub-region being a sub-region, where a viewer is present, in the viewing region; determining a target view based on the indication information, wherein a number of the target views determined in a case that the number of the target sub-regions is 1 is less than the number of the target views determined in a case that the number of the target sub-regions is greater than 1; and transmitting image data of the target view to the three-dimensional display terminal.Type: GrantFiled: November 29, 2021Date of Patent: September 17, 2024Assignees: BEIJING BOE DISPLAY TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.Inventors: Jinghua Miao, Donghua Niu, Xuefeng Wang, Yanqiu Zhao, Yulong Wu, Wenyu Li, Zhifu Li, Lili Chen, Hao Zhang
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Patent number: 12094854Abstract: The present application provides a display panel and a display device. The display panel includes a plurality of pixel units, wherein each of the pixel units includes a sub-pixel, the sub-pixel includes a first micro-LED chip, and in a top view, a gap is provided between adjacent ones of the first micro-LED chips; and a functional element disposed at the gap, wherein a function of the functional element is different from a display function of the sub-pixel, in order to improve integration of the display panel, increase an added value of the display panel, and save a space of the whole machine.Type: GrantFiled: October 28, 2020Date of Patent: September 17, 2024Inventors: Guowei Zha, Jianfeng Yuan, Zhifu Li
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Patent number: 12093596Abstract: The present application provides a distributed system on panel (SOP) display panel and a display system. The distributed SOP display panel includes a plurality of display modules and a plurality of functional modules. Each display module includes a plurality of display units. The functional modules include first functional modules and a second functional module. The first functional modules are electrically connected to the display units in adjacent display modules, the second functional module is electrically connected to the plurality of display modules, in order to alleviate a technical problem of improper layout of system functions of a conventional SOP display device.Type: GrantFiled: December 9, 2021Date of Patent: September 17, 2024Assignee: WUHAN CHINA STAR OPTOELECTRONICS TECHNOLOGY CO., LTD.Inventors: Zemin Hu, Guowei Zha, Guanghui Liu, Zhifu Li, Xiaolin Yan, Wanliang Feng
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Publication number: 20240296580Abstract: A virtual reality experience safe area updating method and apparatus are provided. belonging to a Virtual Reality technical field. Virtual reality experience safe area update unit, including: A safe area setting module configured to set an initial safe area; obstacle detecting module, configured to detect obstacle around the user; the safe area update module is configured to update the range of the safe area according to the detected obstacle.Type: ApplicationFiled: May 28, 2021Publication date: September 5, 2024Inventors: Zhifu LI, Jinghua MIAO, Wenyu LI, Mingyang YAN
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Publication number: 20240288620Abstract: A backlight module and a display panel are provided. The display panel includes a display panel main body and a backlight module. The backlight module includes a light guide, a first reflector, and a light source. By arranging the light source in a receiving cavity of the light guide, a width of a lamp socket of the backlight module is reduced, and a light effect of the lamp socket of the backlight module is improved.Type: ApplicationFiled: May 10, 2024Publication date: August 29, 2024Applicant: WUHAN CHINA STAR OPTOELECTRONICS TECHNOLOGY CO., LTD.Inventors: Dong TIAN, Gege ZHOU, Wei ZHOU, Jianfeng YUAN, Zhifu LI
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Publication number: 20240257781Abstract: The present application provides a display panel in which transistors in an input pull-up module, a stage transfer output module, and an output pull-up module are provided as P-type low temperature polysilicon thin film transistors, and a transistor in an output pull-down module is provided as an N-type metal oxide thin film transistor.Type: ApplicationFiled: September 6, 2021Publication date: August 1, 2024Inventors: Haiming CAO, Chao TIAN, Yanqing GUAN, Fei Al, Guanghui LIU, Zhifu LI
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Publication number: 20240241577Abstract: Provided is a method for processing three-dimensional image data, applicable to providing three-dimensional image data to a three-dimensional display terminal, wherein the three-dimensional display terminal is provided with a plurality of viewpoints successively arranged, and a viewing region of the three-dimensional display terminal includes a plurality of sub-regions. The method includes: receiving indication information, wherein the indication information is indicative of a number of target sub-regions, the target sub-region being a sub-region, where a viewer is present, in the viewing region; determining a target view based on the indication information, wherein a number of the target views determined in a case that the number of the target sub-regions is 1 is less than the number of the target views determined in a case that the number of the target sub-regions is greater than 1; and transmitting image data of the target view to the three-dimensional display terminal.Type: ApplicationFiled: November 29, 2021Publication date: July 18, 2024Applicants: Beijing BOE Display Technology Co., Ltd., BOE Technology Group Co., Ltd.Inventors: Jinghua MIAO, Donghua NIU, Xuefeng WANG, Yanqiu ZHAO, Yulong WU, Wenyu LI, Zhifu LI, Lili CHEN, Hao ZHANG
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Patent number: 12038663Abstract: A phase-shift unit includes: a first substrate and a second substrate provided opposite to each other; a medium layer provided between the first substrate and the second substrate; a microstrip line disposed at a side of the second substrate facing towards the first substrate; and a grounding layer provided at a side of the first substrate facing towards the second substrate and formed with a via hole; wherein a projection of the via hole onto the second substrate and a projection of the microstrip line onto the second substrate have an overlapped area therebetween; and wherein the via hole is configured to feed a phase-shifted microwave signal out of the phase-shift unit, or feed a microwave signal into the phase-shift unit such that the microwave signal is phase-shifted.Type: GrantFiled: March 14, 2023Date of Patent: July 16, 2024Assignees: BEIJING BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.Inventors: Xue Cao, Junhui Wu, Ying Wang, Peizhi Cai, Zhifu Li, Lijun Mao, Jiaheng Wang
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Publication number: 20240236291Abstract: The present disclosure provides a method and apparatus for displaying a multi-viewpoint video, a displaying device, a medium and a program, which relates to the technical field of displaying. The method includes: acquiring different viewpoint-position combinations of at least two users located within a visible area of a screen; from a predetermined multi-viewpoint-image set, screening out multi-viewpoint images corresponding to each of viewpoint-position combinations; regarding visible viewpoint images of at least the corresponding viewpoint-position combinations among the multi-viewpoint images as target viewpoint images; combining the target viewpoint images of at least two viewpoint-position combinations as video frames, to obtain the multi-viewpoint video; and displaying the multi-viewpoint video by using the screen.Type: ApplicationFiled: December 29, 2021Publication date: July 11, 2024Applicants: BEIJING BOE DISPLAY TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.Inventors: Zhifu Li, Jinghua Miao, Mingyang Yan, Wenyu Li
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Publication number: 20240234576Abstract: The present application provides a thin-film transistor having a vertical structure and an electronic device. In the thin-film transistor having the vertical structure, the thin-film transistor includes a first doped portion and a second portion, the second doped portion is connected to and partly in contact with a channel portion through a via hole by arranging the second doped portion in the via hole of an insulating layer, which can reduce a contact area between the second doped portion and the channel portion, thereby reducing ions diffusing into a channel region and improving device stability of the thin-film transistor. Also, in the thin-film transistor having the vertical structure, a projection area of the thin-film transistor can be reduced, improving an aperture ratio of a display panel.Type: ApplicationFiled: November 4, 2022Publication date: July 11, 2024Inventors: Zhifu LI, Guanghui LIU, Fei AI, Dewei SONG, Chengzhi LUO
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Publication number: 20240234577Abstract: A semiconductor device and an electronic device are provided. A through hole is formed in an insulating layer and located on a first active layer. A thin-film transistor layer includes a third active layer. At least part of the third active layer is located on a sidewall of the through hole. One side of the third active layer is connected to a first active layer, and the other side of the third active layer is connected to a second active layer, so that a channel length is reduced, short channel effect is reduced, on-state current is increased, and power consumption is reduced.Type: ApplicationFiled: November 11, 2022Publication date: July 11, 2024Applicant: Wuhan China Star Optoelectronics Technology Co., Ltd.Inventors: Zhifu LI, Guanghui LIU, Chao DAI, Fei AI, Dewei SONG, Chengzhi LUO
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Publication number: 20240233587Abstract: The present disclosure provides a display device. The display device includes a rotating light bar and a driving unit. The driving unit is connected to a center point of the rotating light bar, and the rotating light bar is configured to rotate with the center point of the rotating light bar as an axis. The rotating light bar includes light emitting device groups arranged along a width direction of the rotating light bar, each of the light emitting device groups includes light emitting devices arranged along a length direction of the rotating light bar, and the light emitting devices in two adjacent ones of the light emitting device groups are staggered in the length direction of the rotating light bar.Type: ApplicationFiled: November 9, 2022Publication date: July 11, 2024Inventors: Yunni CHEN, Fancheng LIU, Guowei ZHA, Zhifu LI