Patents by Inventor Wenchu HAN
Wenchu HAN 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).
-
Patent number: 11416098Abstract: A touch panel, a driving method thereof and a touch device are provided. The touch panel includes a plurality of electrode groups and a plurality of signal lines. In a first direction, the plurality of electrode groups are sequentially arranged and include a head electrode group arranged foremost; the plurality of signal lines include at least a first signal line and a second signal line; the head electrode group includes a first head electrode, a fourth head electrode, and a second head electrode and a third head electrode which are between the first head electrode and the fourth head electrode; the first head electrode and the fourth head electrode are electrically connected with the first signal line; the second signal line is only electrically connected with the second electrode alone.Type: GrantFiled: October 12, 2018Date of Patent: August 16, 2022Assignees: CHENGDU BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO, LTD.Inventors: Fucheng Yang, Zheng Wang, Wenchu Han
-
Publication number: 20210333966Abstract: A touch panel, a driving method thereof and a touch device are provided. The touch panel includes a plurality of electrode groups and a plurality of signal lines. In a first direction, the plurality of electrode groups are sequentially arranged and include a head electrode group arranged foremost; the plurality of signal lines include at least a first signal line and a second signal line; the head electrode group includes a first head electrode, a fourth head electrode, and a second head electrode and a third head electrode which are between the first head electrode and the fourth head electrode; the first head electrode and the fourth head electrode are electrically connected with the first signal line; the second signal line is only electrically connected with the second electrode alone.Type: ApplicationFiled: October 12, 2018Publication date: October 28, 2021Inventors: Fucheng YANG, Zheng WANG, Wenchu HAN
-
Patent number: 11138407Abstract: Provided are a fingerprint recognition module and a manufacturing method therefor, a display panel and a display apparatus. The fingerprint recognition module includes: a substrate, a collection device and a fingerprint recognition circuit, wherein the substrate includes a fingerprint collection surface and a target surface opposite each other, the target surface is provided with a first groove, and the collection device is located in the first groove; and the fingerprint recognition circuit is electrically connected to the collection device, and is configured to collect information of a fingerprint on a side where the fingerprint collection surface is located through the collection device.Type: GrantFiled: March 19, 2019Date of Patent: October 5, 2021Assignees: CHENGDU BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.Inventors: Jun Nie, Luxia Jiang, Wenchu Han, Zihe Zhang, Jingang Zhang, Yachuan Ma
-
Patent number: 10976635Abstract: There is provided an electronic paper display apparatus and a production method and a driving method thereof. The electronic paper display apparatus has: a first electrode layer and a thin-film transistor array layer, which are opposite; an electronic paper ink layer, which is between the first electrode layer and the thin-film transistor array layer; and a second electrode layer, which is on a side of the thin-film transistor array layer away from the electronic paper ink layer and is configured to be capable of forming an electric field for removing an image of the electronic paper ink layer or resetting the electronic paper ink layer together with the first electrode layer.Type: GrantFiled: December 10, 2018Date of Patent: April 13, 2021Assignees: BOE TECHNOLOGY GROUP CO., LTD., CHENGDU BOE OPTOELECTRONICS TECHNOLOGY CO., LTDInventors: Jingang Zhang, Fucheng Yang, Wenchu Han, Zihe Zhang
-
Publication number: 20210064846Abstract: Provided are a fingerprint recognition module and a manufacturing method therefor, a display panel and a display apparatus. The fingerprint recognition module includes: a substrate, a collection device and a fingerprint recognition circuit, wherein the substrate includes a fingerprint collection surface and a target surface opposite each other, the target surface is provided with a first groove, and the collection device is located in the first groove; and the fingerprint recognition circuit is electrically connected to the collection device, and is configured to collect information of a fingerprint on a side where the fingerprint collection surface is located through the collection device.Type: ApplicationFiled: March 19, 2019Publication date: March 4, 2021Inventors: Jun Nie, Luxia Jiang, Wenchu Han, Zihe Zhang, Jingang Zhang, Yachuan Ma
-
Patent number: 10621900Abstract: A pixel array, including: a plurality of pixel groups, the pixel group including six sub-pixels arranged in a column direction, wherein a connecting line connecting central points of a first, a third and a fifth sub-pixels is on a first straight line, a connecting line connecting central points of a second, a fourth and a sixth sub-pixels is on a second straight line different from the first straight line, and the first straight line and the second straight line are parallel to the column direction; wherein successive connecting lines connecting central points of the six sub-pixels are in a zigzag form, and a connecting line connecting central points of any two adjacent sub-pixels in the column direction is not perpendicular to the first straight line; and wherein in the pixel group, colors of any three adjacent sub-pixels in the column direction are all different.Type: GrantFiled: September 29, 2017Date of Patent: April 14, 2020Assignees: BOE TECHNOLOGY GROUP CO., LTD., CHENGDU BOE OPTOELECTRONICS TECHNOLOGY CO., LTD.Inventors: Luxia Jiang, Yuan Wu, Fucheng Yang, Wenchu Han, Jianjun Li
-
Patent number: 10559255Abstract: Present disclosure provides OLED driving circuit, comprising: first switch unit, electrically connected between first end of first capacitor and data input end; second switch unit, electrically connected between second end of first capacitor and data input end; third switch unit, its first end electrically connected to voltage input end, its second end electrically connected to OLED, its third end electrically connected to first end of first capacitor, third switch unit configured to switch connection and disconnection between first and second ends of third switch unit; fourth switch unit, its first end electrically connected to first end of first capacitor, its second end electrically connected to second end of third switch unit; wherein first and second ends of second capacitor are electrically connected to voltage input end and second end of first capacitor, respectively. Present disclosure further provides OLED driving method, display substrate and display apparatus.Type: GrantFiled: May 16, 2018Date of Patent: February 11, 2020Assignees: BOE TECHNOLOGY GROUP CO., LTD., CHENGDU BOE OPTOELECTRONICS TECHNOLOGY CO., LTD.Inventors: Wenchu Han, Fucheng Yang, Zihe Zhang, Hongwei Dai
-
Publication number: 20190285962Abstract: There is provided an electronic paper display apparatus and a production method and a driving method thereof. The electronic paper display apparatus has: a first electrode layer and a thin-film transistor array layer, which are opposite; an electronic paper ink layer, which is between the first electrode layer and the thin-film transistor array layer; and a second electrode layer, which is on a side of the thin-film transistor array layer away from the electronic paper ink layer and is configured to be capable of forming an electric field for removing an image of the electronic paper ink layer or resetting the electronic paper ink layer together with the first electrode layer.Type: ApplicationFiled: December 10, 2018Publication date: September 19, 2019Inventors: Jingang Zhang, Fucheng Yang, Wenchu Han, Zihe Zhang
-
Publication number: 20190206317Abstract: Present disclosure provides OLED driving circuit, comprising: first switch unit, electrically connected between first end of first capacitor and data input end; second switch unit, electrically connected between second end of first capacitor and data input end; third switch unit, its first end electrically connected to voltage input end, its second end electrically connected to OLED, its third end electrically connected to first end of first capacitor, third switch unit configured to switch connection and disconnection between first and second ends of third switch unit; fourth switch unit, its first end electrically connected to first end of first capacitor, its second end electrically connected to second end of third switch unit; wherein first and second ends of second capacitor are electrically connected to voltage input end and second end of first capacitor, respectively. Present disclosure further provides OLED driving method, display substrate and display apparatus.Type: ApplicationFiled: May 16, 2018Publication date: July 4, 2019Inventors: Wenchu HAN, Fucheng YANG, Zihe ZHANG, Hongwei DAI
-
Publication number: 20180336810Abstract: A pixel array, including: a plurality of pixel groups, the pixel group including six sub-pixels arranged in a column direction, wherein a connecting line connecting central points of a first, a third and a fifth sub-pixels is on a first straight line, a connecting line connecting central points of a second, a fourth and a sixth sub-pixels is on a second straight line different from the first straight line, and the first straight line and the second straight line are parallel to the column direction; wherein successive connecting lines connecting central points of the six sub-pixels are in a zigzag form, and a connecting line connecting central points of any two adjacent sub-pixels in the column direction is not perpendicular to the first straight line; and wherein in the pixel group, colors of any three adjacent sub-pixels in the column direction are all different.Type: ApplicationFiled: September 29, 2017Publication date: November 22, 2018Applicants: BOE TECHNOLOGY GROUP CO., LTD., CHENGDU BOE OPTOELECTRONICS TECHNOLOGY CO., LTD.Inventors: Luxia JIANG, Yuan WU, Fucheng YANG, Wenchu HAN, Jianjun LI
-
Patent number: 10019932Abstract: One embodiment of the present disclosure provides a method for writing display data, a display apparatus and a mobile terminal. The method includes: compressing, into a compressed package, display data to be written into a display unit within at least two clock cycles, and sending the compressed package to a driving unit; storing the received compressed package into a cache, and when each clock cycle comes, decompressing, by the driving unit, from the compressed package display data to be written into the display unit within the each clock cycle, and writing the display data to be written into the display unit within the each clock cycle into the display unit.Type: GrantFiled: March 17, 2015Date of Patent: July 10, 2018Assignees: BOE TECHNOLOGY GROUP CO., LTD., CHENGDU BOE OPTOELECTRONICS TECHNOLOGY CO., LTD.Inventors: Wenchu Han, Taehyun Kim
-
Patent number: 9886885Abstract: The present invention discloses a gamma correction circuit and a display device, relates to the field of display technology, and solves the problem of display distortion of part of display panels due to changes in ideal gamma curves for part of batches of display panels of the same model. The gamma correction circuit provided by the embodiment of the present invention is used for performing gamma correction on the display panel, and comprises gamma registers and D/A converting units, wherein gamma voltages obtained by converting, by the D/A converting units, values in the gamma registers are used to form a test gamma curve, and the gamma correction circuit further comprises correction units used for correcting the values in the gamma registers, or correcting reference voltages of the D/A converting units, when a deviation exists between the test gamma curve and an idea gamma curve of the display panel.Type: GrantFiled: July 31, 2014Date of Patent: February 6, 2018Assignees: BOE TECHNOLOGY GROUP CO., LTD., CHENGDU BOE OPTOELECTRONICS TECHNOLOGY CO., LTD.Inventors: Taehyun Kim, Wenchu Han, Lei Dai
-
Publication number: 20160329013Abstract: One embodiment of the present disclosure provides a method for writing display data, a display apparatus and a mobile terminal. The method includes: compressing, into a compressed package, display data to be written into a display unit within at least two clock cycles, and sending the compressed package to a driving unit; storing the received compressed package into a cache, and when each clock cycle comes, decompressing, by the driving unit, from the compressed package display data to be written into the display unit within the each clock cycle, and writing the display data to be written into the display unit within the each clock cycle into the display unit.Type: ApplicationFiled: March 17, 2015Publication date: November 10, 2016Applicants: BOE TECHNOLOGY GROUP CO., LTD., CHENGDU BOE OPTOELECTRONICS TECHNOLOGY CO., LTD.Inventors: Wenchu HAN, Taehyun KIM
-
Publication number: 20150302788Abstract: The present invention discloses a gamma correction circuit and a display device, relates to the field of display technology, and solves the problem of display distortion of part of display panels due to changes in ideal gamma curves for part of batches of display panels of the same model. The gamma correction circuit provided by the embodiment of the present invention is used for performing gamma correction on the display panel, and comprises gamma registers and D/A converting units, wherein gamma voltages obtained by converting, by the D/A converting units, values in the gamma registers are used to form a test gamma curve, and the gamma correction circuit further comprises correction units used for correcting the values in the gamma registers, or correcting reference voltages of the D/A converting units, when a deviation exists between the test gamma curve and an idea gamma curve of the display panel.Type: ApplicationFiled: July 31, 2014Publication date: October 22, 2015Inventors: Taehyun KIM, Wenchu HAN, Lei DAI