Patents by Inventor Zhenxiao TONG
Zhenxiao TONG 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: 11302230Abstract: Embodiments of the present disclosure provides a display panel, a display device and a display method. The display panel includes a display substrate and a package substrate, the display substrate includes a pixel region, the package substrate includes frames and a light transmission region surrounded by the frames, wherein a plurality of pixel units are disposed in the pixel region of the display substrate; a length L of the pixel region of the display substrate is greater than a distance D between the frames of the package substrate at least in a first direction; and an orthographic projection of the pixel region on the display substrate at least partially covers an orthographic projection of the light transmission region on the display substrate.Type: GrantFiled: August 17, 2018Date of Patent: April 12, 2022Assignees: CHENGDU BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.Inventors: Tingliang Liu, Weiyun Huang, Zhifeng Zhan, Yue Long, Yunsheng Xiao, Zhenxiao Tong, Hongwei Ma
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Patent number: 11158250Abstract: The disclosure discloses a pixel compensation circuit, a method for driving the same, a display panel, and a display device. The pixel compensation circuit includes: a first initialization sub-circuit, a second initialization sub-circuit, an IR drop control sub-circuit, a data writing sub-circuit, a compensation sub-circuit, a driver sub-circuit, a light-emission control sub-circuit, and a light emitting element. The compensation sub-circuit compensates for threshold voltage of the driver sub-circuit, and the IR drop control sub-circuit decreases the influence of the IR drop of a signal of the high-level power supply terminal to the operating current of the light emitting element.Type: GrantFiled: October 9, 2018Date of Patent: October 26, 2021Assignees: BOE Technology Group Co., Ltd., Chengdu BOE Optoelectronics Technology Co., Ltd.Inventors: Yunsheng Xiao, Zhenxiao Tong, Xiangdan Dong, Tingliang Liu, Hongwei Ma
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Publication number: 20210327320Abstract: Embodiments of the present disclosure provides a display panel, a display device and a display method. The display panel includes a display substrate and a package substrate, the display substrate includes a pixel region, the package substrate includes frames and a light transmission region surrounded by the frames, wherein a plurality of pixel units are disposed in the pixel region of the display substrate; a length L of the pixel region of the display substrate is greater than a distance D between the frames of the package substrate at least in a first direction; and an orthographic projection of the pixel region on the display substrate at least partially covers an orthographic projection of the light transmission region on the display substrate.Type: ApplicationFiled: August 17, 2018Publication date: October 21, 2021Inventors: Tingliang LIU, Weiyun HUANG, Zhifeng ZHAN, Yue LONG, Yunsheng XIAO, Zhenxiao TONG, Hongwei MA
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Patent number: 11132943Abstract: A display method includes: acquiring image data of an irregularly-shaped area of a display panel; performing smoothing processing on the image data of the irregularly-shaped area to generate image compensation data; and converting the image compensation data into a driving compensation voltage to be output to the display panel.Type: GrantFiled: December 12, 2018Date of Patent: September 28, 2021Assignees: Chengdu BOE Optoelectronics Technology Co., Ltd., BOE TECHNOLOGY GROUP CO., LTD.Inventors: Zhenxiao Tong, Youngyik Ko, Weiyun Huang, Yue Long, Tianyi Cheng
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Patent number: 10997905Abstract: The present disclosure discloses a display panel and a display device. At least one load compensation unit is arranged in a non-display area, and the at least one load compensation unit can be configured to adjust the charging time of pixels by controlling gate lines, thereby making brightness of each area of the display screen uniform.Type: GrantFiled: May 20, 2019Date of Patent: May 4, 2021Assignees: Chengdu BOE Optoelectronics Technology Co., Ltd., BOE Technology Group Co., Ltd.Inventors: Zhenxiao Tong, Weiyun Huang, Xiangdan Dong, Tingliang Liu, Yunsheng Xiao
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Patent number: 10944073Abstract: The present application discloses a display panel having a display area and a peripheral area. The display panel includes a base substrate; a display unit on the base substrate; an encapsulating layer on a side of the display unit distal to the base substrate and encapsulating the display unit; and a first crack barrier layer on the base substrate and in the peripheral area and forming a first enclosure substantially surrounding a first area. The encapsulating layer includes a first inorganic sub-layer. The first inorganic sub-layer includes a first part enclosed inside the first area by the first crack barrier layer.Type: GrantFiled: December 5, 2017Date of Patent: March 9, 2021Assignees: Chengdu BOE Optoelectronics Technology Co., Ltd., BOE Technology Group Co., Ltd.Inventors: Weiyun Huang, Zhenxiao Tong, Wuyang Zhao, Youngyik Ko
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Patent number: 10937989Abstract: A display panel includes a first substrate, a light-emitting component located on the first substrate, and an encapsulation part located on the first substrate. A receiving cavity is formed between the encapsulation part and the first substrate. The receiving cavity has a light-emitting region inside. The light-emitting component is located within the light-emitting region. The display panel further includes at least one water vapor detecting part located on the first substrate and inside the receiving cavity. The at least one water vapor detecting part is disposed outside the light-emitting region. Each of the water vapor detecting part has different light transmittance before and after water absorption.Type: GrantFiled: July 31, 2018Date of Patent: March 2, 2021Assignees: BOE TECHNOLOGY GROUP CO., LTD., CHENGDU BOE OPTOELECTRONICS TECHNOLOGY CO., LTD.Inventors: Tingliang Liu, Hongwei Ma, Yue Long, Xiangdan Dong, Weiyun Huang, Yang Wang, Yunsheng Xiao, Zhenxiao Tong
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Publication number: 20210027704Abstract: The present disclosure discloses a display panel and a display device. At least one load compensation unit is arranged in a non-display area, and the at least one load compensation unit can be configured to adjust the charging time of pixels by controlling gate lines, thereby making brightness of each area of the display screen uniform.Type: ApplicationFiled: May 20, 2019Publication date: January 28, 2021Inventors: Zhenxiao TONG, Weiyun HUANG, Xiangdan DONG, Tingliang LIU, Yunsheng XIAO
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Patent number: 10872938Abstract: The disclosure discloses an electroluminescent display panel, a method for fabricating the same, and a display device. Where the electroluminescent display panel includes: a base substrate; a pixel definition layer located on the base substrate and including a plurality of opening regions for defining sub-pixel light-emitting areas; and light-emitting function layers, which cover the plurality of opening regions in a one-to-one correspondence manner, of sub-pixels; where the plurality of opening regions include normally-shaped opening regions and abnormally-shaped opening regions at an edge of an abnormally-shaped display area; and an area of each of the abnormally-shaped opening regions is smaller than an area of a normally-shaped opening region for defining a sub-pixel having a same light-emitting color.Type: GrantFiled: August 29, 2018Date of Patent: December 22, 2020Assignees: BOE Technology Group Co., Ltd., Chengdu BOE Optoelectronics Technology Co., Ltd.Inventors: Tianyi Cheng, Young Yik Ko, Weiyun Huang, Yue Long, Zhenxiao Tong, Jingzhe Fang, Yujing Piao, Shunnv Qian
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Publication number: 20200127228Abstract: The present application discloses a display panel having a display area and a peripheral area. The display panel includes a base substrate; a display unit on the base substrate; an encapsulating layer on a side of the display unit distal to the base substrate and encapsulating the display unit; and a first crack barrier layer on the base substrate and in the peripheral area and forming a first enclosure substantially surrounding a first area. The encapsulating layer includes a first inorganic sub-layer. The first inorganic sub-layer includes a first part enclosed inside the first area by the first crack barrier layer.Type: ApplicationFiled: December 5, 2017Publication date: April 23, 2020Applicants: Chengdu BOE Optoelectronics Technology Co., Ltd., BOE Technology Group Co., Ltd.Inventors: Weiyun Huang, Zhenxiao Tong, Wuyang Zhao, Youngyik Ko
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Patent number: 10593286Abstract: A shift register, a gate driving circuit, a display panel and a driving method. The shift register includes: an input and set circuit, connected with a pull-up node; a storage circuit, connected with the pull-up node and an output end respectively; an output circuit, configured to provide a second clock signal to the output end when a voltage of the pull-up node satisfies an output condition; and a first pull-down circuit, configured to provide a first power voltage to the output end when a first pull-down condition is satisfied. The input and set circuit is further configured to: in a set stage of forward scanning or an input stage of reverse scanning, receive a third clock signal and a second input signal, and in response to the third clock signal, write a voltage of the second input signal into the pull-up node.Type: GrantFiled: September 14, 2017Date of Patent: March 17, 2020Assignees: BOE TECHNOLOGY GROUP CO., LTD., CHENGDU BOE OPTOELECTRONICS TECHNOLOGY CO., LTD.Inventors: Bo Wu, Wen Tan, Zhenxiao Tong
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Publication number: 20200005704Abstract: A display method includes: acquiring image data of an irregularly-shaped area of a display panel; performing smoothing processing on the image data of the irregularly-shaped area to generate image compensation data; and converting the image compensation data into a driving compensation voltage to be output to the display panel.Type: ApplicationFiled: December 12, 2018Publication date: January 2, 2020Inventors: Zhenxiao TONG, Youngyik KO, Weiyun HUANG, Yue LONG, Tianyi CHENG
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Publication number: 20190304364Abstract: The disclosure discloses a pixel compensation circuit, a method for driving the same, a display panel, and a display device. The pixel compensation circuit includes: a first initialization sub-circuit, a second initialization sub-circuit, an IR drop control sub-circuit, a data writing sub-circuit, a compensation sub-circuit, a driver sub-circuit, a light-emission control sub-circuit, and a light emitting element. The compensation sub-circuit compensates for threshold voltage of the driver sub-circuit, and the IR drop control sub-circuit decreases the influence of the IR drop of a signal of the high-level power supply terminal to the operating current of the light emitting element.Type: ApplicationFiled: October 9, 2018Publication date: October 3, 2019Inventors: Yunsheng Xiao, Zhenxiao Tong, Xiangdan Dong, Tingliang Liu, Hongwei Ma
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Publication number: 20190305057Abstract: The disclosure discloses an electroluminescent display panel, a method for fabricating the same, and a display device. Where the electroluminescent display panel includes: a base substrate; a pixel definition layer located on the base substrate and including a plurality of opening regions for defining sub-pixel light-emitting areas; and light-emitting function layers, which cover the plurality of opening regions in a one-to-one correspondence manner, of sub-pixels; where the plurality of opening regions include normally-shaped opening regions and abnormally-shaped opening regions at an edge of an abnormally-shaped display area; and an area of each of the abnormally-shaped opening regions is smaller than an area of a normally-shaped opening region for defining a sub-pixel having a same light-emitting color.Type: ApplicationFiled: August 29, 2018Publication date: October 3, 2019Inventors: Tianyi Cheng, Young Yik Ko, Weiyun Huang, Yue Long, Zhenxiao Tong, Jingzhe Fang, Yujing Piao, Shunnv Qian
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Publication number: 20190140206Abstract: A display panel includes a first substrate, a light-emitting component located on the first substrate, and an encapsulation part located on the first substrate. A receiving cavity is formed between the encapsulation part and the first substrate. The receiving cavity has a light-emitting region inside. The light-emitting component is located within the light-emitting region. The display panel further includes at least one water vapor detecting part located on the first substrate and inside the receiving cavity. The at least one water vapor detecting part is disposed outside the light-emitting region. Each of the water vapor detecting part has different light transmittance before and after water absorption.Type: ApplicationFiled: July 31, 2018Publication date: May 9, 2019Inventors: Tingliang LIU, Hongwei MA, Yue LONG, Xiangdan DONG, Weiyun HUANG, Yang WANG, Yunsheng XIAO, Zhenxiao TONG
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Patent number: 10198990Abstract: A device and method for temperature detection, a device and method for compensating for temperature of display panel, and a display device are disclosed. The device for temperature detection includes: a first inverter, inverting a voltage signal at an input terminal thereof to output an inverted signal; a delay assembly, delaying the inverted signal and outputting a delayed inverted signal as an output signal; a switching transistor, applying a first voltage signal to the input terminal of the first inverter from a first voltage signal terminal based on the output signal; a first capacitor, including a first terminal coupled to a first electrode of the switching transistor and a second terminal coupled to the input terminal of the first inverter; and a temperature sensing transistor, configured so that a channel current of the temperature sensing transistor is proportional to a temperature at the sub-threshold bias voltage.Type: GrantFiled: May 10, 2017Date of Patent: February 5, 2019Assignees: BOE TECHNOLOGY GROUP CO., LTD., CHENGDU BOE OPTOELECTRONICS TECHNOLOGY CO., LTD.Inventor: Zhenxiao Tong
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Patent number: 10186192Abstract: A pixel circuit and a driving method thereof and a display device. The pixel circuit includes: a first reverse bias unit, and a first sub-pixel circuit and a second sub-pixel circuit adjacent to each other. The first sub-pixel circuit includes a first light-emitting unit; the second sub-pixel circuit includes a second light-emitting unit. The first light-emitting unit is connected with a first drive node and a second bias output node; the second light-emitting unit is connected with a second drive node and a first bias output node; the first reverse bias unit is connected with the first drive node, the second drive node, the second bias output node, the first bias output node, a first bias control terminal and a second bias control terminal.Type: GrantFiled: May 19, 2017Date of Patent: January 22, 2019Assignees: BOE TECHNOLOGY GROUP CO., LTD., CHENGDU BOE OPTOELECTRONICS TECHNOLOGY CO., LTD.Inventors: Zhenxiao Tong, Dongmei Wei
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Publication number: 20190006395Abstract: The disclosure discloses an array substrate, a method for manufacturing the same, and a display panel, and the array substrate includes a gate, an active layer, a source, and a drain arranged on a base substrate in that order; and further includes: a light blocking layer, where a positive projection of the active layer onto the base substrate overlaps with both of a positive projection of the light blocking layer onto the base substrate, and a positive projection of the gate onto the base substrate; the positive projection of the active layer onto the base substrate lies in positive projections of the light blocking layer and the gate onto the base substrate; and an area of the positive projection of the gate onto the base substrate is smaller than an area of the positive projection of the active layer onto the base substrate.Type: ApplicationFiled: March 26, 2018Publication date: January 3, 2019Inventors: Dongmei WEI, Xiaoxiang HE, Zhenxiao TONG
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Publication number: 20180293937Abstract: A device and method for temperature detection, a device and method for compensating for temperature of display panel, and a display device are disclosed. The device for temperature detection includes: a first inverter, inverting a voltage signal at an input terminal thereof to output an inverted signal; a delay assembly, delaying the inverted signal and outputting a delayed inverted signal as an output signal; a switching transistor, applying a first voltage signal to the input terminal of the first inverter from a first voltage signal terminal based on the output signal; a first capacitor, including a first terminal coupled to a first electrode of the switching transistor and a second terminal coupled to the input terminal of the first inverter; and a temperature sensing transistor, configured so that a channel current of the temperature sensing transistor is proportional to a temperature at the sub-threshold bias voltage.Type: ApplicationFiled: May 10, 2017Publication date: October 11, 2018Applicants: BOE TECHNOLOGY GROUP CO., LTD., CHENGDU BOE OPTOELECTRONICS TECHNOLOGY CO., LTD.Inventor: Zhenxiao TONG
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Publication number: 20180226019Abstract: A pixel circuit and a driving method thereof and a display device. The pixel circuit includes: a first reverse bias unit, and a first sub-pixel circuit and a second sub-pixel circuit adjacent to each other. The first sub-pixel circuit includes a first light-emitting unit; the second sub-pixel circuit includes a second light-emitting unit. The first light-emitting unit is connected with a first drive node and a second bias output node; the second light-emitting unit is connected with a second drive node and a first bias output node; the first reverse bias unit is connected with the first drive node, the second drive node, the second bias output node, the first bias output node, a first bias control terminal and a second bias control terminal.Type: ApplicationFiled: May 19, 2017Publication date: August 9, 2018Inventors: Zhenxiao TONG, Dongmei WEI