Patents by Inventor Weijie Zhao
Weijie Zhao 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: 9423916Abstract: An in-cell touch panel and a display device are configured to address mutual interference between touch signals and image display signals and increase opening ratio of the in-cell touch panel at the same time. The in-cell touch panel includes a color filter substrate and an array substrate disposed opposite to form a cell, a plurality of sub-pixel units arranged in matrix are disposed on said array substrate, and further includes: a plurality of touch sensing electrodes distributed in a column direction of said sub-pixel units on said color filter substrate, and a plurality of touch driving electrodes distributed in a row direction of said sub-pixel units on said array substrate, every two adjacent rows of sub-pixel units constituting a sub-pixel unit group and gate lines for providing gate signals to these two rows of sub-pixel units being disposed between these two rows of sub-pixel units; wherein said touch driving electrodes are located in non-display areas between said sub-pixel unit groups.Type: GrantFiled: July 10, 2013Date of Patent: August 23, 2016Assignees: BEIJING BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.Inventors: Haisheng Wang, Xue Dong, Cheng Li, Xiaoliang Ding, Hongjuan Liu, Shengji Yang, Weijie Zhao, Yingming Liu, Tao Ren
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Publication number: 20160240134Abstract: A pixel circuit and a driving method and display apparatus thereof are provided, which relate to the field of display technology and solve the problem that a drift in the threshold voltage of the DTFT influences the driving current. The pixel circuit comprises a reset unit, a driving unit, a control unit, an energy storage unit and a display unit. The driving unit is configured to output a control voltage or a driving current, the control unit is configured to cause a voltage of a second node to be equal to a voltage of a third level end and cause a voltage of a first node to be equal to the control voltage, or cause a voltage of a data signal end to be equal to the voltage of the second node, and the display unit is configured to display gray levels under the control of the driving current, a fourth scanning signal of a fourth scanning signal end and a voltage of a fourth level end. The embodiments of the present disclosure are used to manufacture displays.Type: ApplicationFiled: July 20, 2015Publication date: August 18, 2016Inventors: Shengji Yang, Xue Dong, Haisheng Wang, Yingming Liu, Weijie Zhao, Xiaoliang Ding
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Publication number: 20160232836Abstract: A pixel circuit is disclosed, comprising: a driving module, an energy storage module, an electroluminescence module, a data voltage write module and a threshold compensation module, the threshold compensation module being connected with a compensation voltage input end, a first end of the energy storage module and at least one control signal input end, adapted to compensate the voltage of the first end of the energy storage module as a sum of the startup threshold of the driving module and the compensation voltage accessed by the compensation voltage input end in response to the control signal accessed by the connected control signal input end.Type: ApplicationFiled: July 15, 2015Publication date: August 11, 2016Inventors: Shengji Yang, Xue Dong, Haisheng Wang, Hailin Xue, Xiaochuan Chen, Xiaoliang Ding, Yingming Liu, Weijie Zhao, Hongliang Yuan, Kaixuan Wang, Wei Li
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Publication number: 20160224150Abstract: A touch panel, a display device and a touch driving method are disclosed. The touch panel includes a plurality of first self-capacitance electrodes. The plurality of first self-capacitance electrodes are at least distributed in two areas; the first self-capacitance electrodes at corresponding positions in the at least two areas are electrically connected with each other; and at least one in each group of electrically connected first self-capacitance electrodes corresponds to one row-scanning electrodes, which is configured to determine the touch condition of each first self-capacitance electrode in the same group of electrically connected first self-capacitance electrodes. The disclosure reduces the total amount of leads and hence reduces touch blind areas and is favorable to a narrow-bezel design.Type: ApplicationFiled: July 10, 2015Publication date: August 4, 2016Applicants: BOE TECHNOLOGY GROUP CO., LTD., BEIJING BOE OPTOELECTRONICS TECHNOLOGY CO., LTD.Inventors: Shengji Yang, Xue Dong, Haisheng Wang, Hailin Xue, Weijie Zhao, Yingming Liu
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Publication number: 20160216802Abstract: An in-cell touch screen and a display device are provided. In the in-cell touch screens, an insulation layer, in an area that each self-capacitance electrode overlap a wire, is provided with at least a first hole that runs through the insulation layer and each self-capacitance electrode is electrically connected with a corresponding wire via a corresponding first via hole; each self-capacitance electrode, within an area overlapping other wire than the corresponding wire and at a position corresponding to the first via hole, is disposed with a second via hole that runs through the self-capacitance electrode. An orthogonal projection of a second via hole on a lower substrate covers an orthogonal projection of a first via hole on the lower substrate. The in-cell touch screen can solve a problem of uneven image display due to nonuniform distribution of via holes in an insulation layer.Type: ApplicationFiled: August 21, 2015Publication date: July 28, 2016Applicants: BOE TECHNOLOGY GROUP CO., LTD., BEIJING BOE OPTOELECTRONICS TECHNOLOGY CO., LTD.Inventors: Zhiying Bao, Rui Xu, Weijie Zhao, Zhenhua Lv, Yanchen Li, Xi Chen, Haisheng Wang
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Publication number: 20160216810Abstract: The embodiment of the present disclosure discloses a touch display device and a driving method thereof, relates to the display technical field, and can extend the time for the touch display device to perform touch control. The touch display device includes n rows of pixels and divides the n rows of pixels into several display regions, wherein n is a natural number greater than 1, the driving method of the touch display device comprising: after the touch display device sends a display signal to the ith row of pixels, and before the touch display device sends a display signal to the (i+1)th row of pixels, sending a touch control signal, by the touch display device, to perform touch control on one display region thereamong, wherein 1?i<n.Type: ApplicationFiled: November 29, 2013Publication date: July 28, 2016Inventors: Weijie ZHAO, Xue DONG, Haisheng WANG
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Publication number: 20160216817Abstract: The present disclosure provides an array substrate, a method for producing the same and a display apparatus. The array substrate comprises: a substrate; a touch electrode wiring pattern formed on the substrate, the touch electrode wiring pattern comprising a plurality of touch electrode wirings; a common electrode pattern formed on the substrate, the common electrode pattern being insulated from the touch electrode wiring pattern and comprising a plurality of block electrodes spaced mutually, wherein the common electrode pattern is also used as a touch electrode pattern, and wherein each of the touch electrode wirings is connected correspondingly to one of the block electrodes in the common electrode pattern.Type: ApplicationFiled: July 16, 2015Publication date: July 28, 2016Inventors: Shengji Yang, Xue Dong, Haisheng Wang, Hailin Xue, Weijie Zhao, Rui Xu, Zhiying Bao, Yue Li, Yanchen Li, Zhenhua Lv, Xi Chen
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Publication number: 20160216799Abstract: A self-capacitive touch screen and a display device are disclosed. The self-capacitive touch screen includes a first substrate and a second substrate arranged opposite to each other. A conductive layer and a plurality of first touch electrodes are provided on the first substrate. The conductive layer includes a plurality of hollow areas distributed in a matrix. The first touch electrodes are in one-to-one correspondence with the hollow areas, and orthographic projections of the first touch electrodes on the first substrate are disposed in orthographic projections of the hollow areas on the first substrate. Second touch electrodes are formed in areas, which correspond to the conductive layer, on the second substrate. The second touch electrodes and the first touch electrodes are configured for the touch-control of the touch screen in the touch process.Type: ApplicationFiled: July 17, 2015Publication date: July 28, 2016Inventors: Shengji YANG, Xue DONG, Haisheng WANG, Weijie ZHAO, Yingming LIU
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Publication number: 20160209951Abstract: A self-capacitive touch panel includes a plurality of touch electrodes and a plurality of driving signal transmission lines corresponding to the touch electrodes. A plurality of via-holes is arranged at an identical amount and in an identical manner at a region where each touch electrode is located, and each driving signal transmission line is connected to the corresponding touch electrode through the via-hole. Projections of the via-holes at the regions where the touch electrodes other than the corresponding touch electrode are located in a direction perpendicular to the substrate are not located on the driving signal transmission line.Type: ApplicationFiled: July 17, 2015Publication date: July 21, 2016Applicants: BEIJING BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.Inventors: Yingming LIU, Xue DONG, Haisheng WANG, Weijie ZHAO, Xiaoliang DING, Shengji YANG, Hongjuan LIU, Changfeng LI, Lei WANG, Rui XU, Dong YANG
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Publication number: 20160202790Abstract: The present disclosure provides in an embodiment a self-capacitive touch panel, including: switching units; and touch electrodes which are arranged in a matrix form and in a plurality of rows and a plurality of columns.Type: ApplicationFiled: July 14, 2015Publication date: July 14, 2016Applicants: BEIJING BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.Inventors: Shengji YANG, Xue DONG, Haisheng WANG, Weijie ZHAO, Yingming LIU, Jingbo XU, Xiangyan ZHANG
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Publication number: 20160195976Abstract: The present disclosure discloses a three dimensional (3D) display apparatus and a control method for the 3D display apparatus, the 3D display apparatus comprising: a liquid crystal optical grating located on a liquid crystal display module, wherein the liquid crystal optical grating is provided with a respective probe terminal on each of the four corners of an electrode layer thereof, for detection of an electric current value; and a controller signally connected with the four probe terminals, wherein the controller is used for calculation of a touch point position of a touch object on the 3D display apparatus based on the electric current values detected at the four probe terminals. The 3D display apparatus has both a 3D display function and a touch screen function.Type: ApplicationFiled: June 17, 2015Publication date: July 7, 2016Applicants: BEIJING BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.Inventors: Shengji Yang, Xue Dong, Haisheng Wang, Yingming Liu, Weijie Zhao, Jingbo Xu
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Publication number: 20160188031Abstract: An in-cell touch panel and a display device are disclosed. The touch panel comprises: an upper substrate (01) and a lower substrate (02) that are disposed opposite to each other, with a planarization layer (09) and a spacer layer (10), which is disposed on the planarization layer (09), provided at a side, facing the lower substrate (02), of the upper substrate (01); and a plurality of self-capacitive electrodes (04) disposed in a same layer, insulated from each other and arranged between the planarization layer (09) and the spacer layer (10). In the touch panel, the self-capacitive electrodes (04) are arranged between the planarization layer (09) and the spacer layer (10) of the upper substrate (01), and thus patterning process for the planarization layer (09) can be omitted so as to reduce the manufacturing processes.Type: ApplicationFiled: August 15, 2014Publication date: June 30, 2016Inventors: Haisheng WANG, Xue DONG, Yingming LIU, Xiaoliang DING, Shengji YANG, Weijie ZHAO, Hongjuan LIU, Tao REN, Chunlei WANG
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Publication number: 20160188029Abstract: In a capacitive in-cell touch screen and a display device, the common electrode layer connected in the entire surface in the array substrate is divided to form touch driving electrodes and common electrodes which are insulated from each other and alternatively disposed, touch sensing electrodes are disposed on the upper substrate and touch driving electrodes are driven in a time-division manner to realize touch function and display function. Disposing projections of touch sensing electrodes on the array substrate in areas where common electrodes are may reduce right opposite areas between touch sensing electrodes and touch driving electrodes, thereby reduce opposite capacitance; providing sides of touch driving electrodes and adjacent sides of common electrodes as broken lines and providing consistent shapes for touch sensing electrodes and common electrodes may increase opposite areas between touch driving electrodes and touch sensing electrodes, thereby increasing projection capacitance per unit area.Type: ApplicationFiled: November 25, 2013Publication date: June 30, 2016Inventors: Hongjuan LIU, Xue DONG, Haisheng WANG, Shengji YANG, Lei WANG, Chunlei WANG, Yingming LIU, Tao REN, Weijie ZHAO, Xiaoliang DING
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Patent number: 9372564Abstract: Embodiments of the present invention provide an in-cell touch panel and a display device to decrease the influence of the touch driving electrode in the in-cell touch panel on image display. The in-cell touch panel includes an upper substrate and a lower substrate opposite to each other, and includes a plurality of touch sensing electrodes provided on the upper substrate and a plurality of touch driving electrodes provided on the lower substrate, wherein the touch sensing electrodes are laterally distributed, and the touch driving electrodes are longitudinally distributed; wherein the touch sensing electrodes include one or a plurality of touch sensing sub-electrodes which are parallel to each other and distributed laterally, and the plurality of touch sensing sub-electrodes are in parallel connection therebetween.Type: GrantFiled: September 13, 2013Date of Patent: June 21, 2016Assignees: BEIJING BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.Inventors: Haisheng Wang, Xue Dong, Lei Wang, Shengji Yang, Xiaoliang Ding, Yingming Liu, Weijie Zhao, Tao Ren, Chunlei Wang, Hongjuan Liu
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Publication number: 20160132140Abstract: The present application relates to the field of display, discloses a touch display device and a driving method for the same, which can improve the report rate of the touch display device. The driving method for the touch display device includes: setting a display period to at least comprise two sub-display periods and a touch period to at least include two sub-touch periods, and arranging the sub-display periods and the sub-touch periods so that there is one sub-touch period interleaved between two adjacent sub-display periods; by means of a control signal, controlling the touch display device to enter the sub-touch periods from the sub-display periods, and controlling the touch display device to send out a touch signal; and by means of the control signal and a driving signal, controlling the touch display device to enter the sub-display periods from the sub-touch periods, and thus enabling the touch display device to display a display picture.Type: ApplicationFiled: December 14, 2013Publication date: May 12, 2016Inventors: Xiaoliang DING, Xue DONG, Haisheng WANG, Hao ZHANG, Weijie ZHAO, Xiaobo XIE
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Patent number: 9292139Abstract: A capacitive in-cell touch screen panel and a display apparatus are disclosed in present disclosure. At least one touch control inducting electrode is disposed on the color film substrate and at least one touch control driving electrode is disposed on the TFT array substrate. Each of the touch control driving electrodes overlaps with multiple sets of gate lines in the TFT array substrate, respectively, and each of the touch control driving electrodes comprises touch control driving sub-electrodes disposed along the row direction and a driving control unit is disposed at the connection of each of the touch control driving sub-electrodes and each set of gate lines.Type: GrantFiled: August 12, 2013Date of Patent: March 22, 2016Assignee: Beijing BOE Optoelectronics Technology Co., Ltd.Inventors: Haisheng Wang, Xiaoliang Ding, Cheng Li, Xue Dong, Hongjuan Liu, Shengji Yang, Weijie Zhao, Yingming Liu, Tao Ren
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Publication number: 20160077624Abstract: The invention discloses a capacitive built-in touch control display panel, a display device, a control device and method with a purpose of realizing display and touch control functions of the display panel without an additional touch panel, which simplifies the configuration of the capacitive built-in touch control display panel and improves the light transmittance.Type: ApplicationFiled: May 30, 2013Publication date: March 17, 2016Inventors: WEIJIE ZHAO, Xue DONG, HAISHENG WANG
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Publication number: 20160048232Abstract: The present invention provides a touch display panel comprising a touch driving electrode and a touch sensing electrode, wherein the touch display panel further comprises a signal enhancement layer which is capable of generating electric field lines by coupling with the touch driving electrode and/or the touch sensing electrode. The present invention also provides a display device including the above touch display panel. When the operator's finger touches the surface of the touch display panel, a large amount of electric field lines generated by coupling of the signal enhancement layer are attracted to the operator's finger, thereby increasing the amount of change in capacitance, and the sensitivity of the touch display panel is further improved.Type: ApplicationFiled: May 30, 2014Publication date: February 18, 2016Inventors: Yingming LIU, Xue DONG, Haisheng WANG, Hongjuan LIU, Weijie ZHAO, Tao REN, Lei WANG
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Publication number: 20160048241Abstract: An in-cell touch panel and a display device are disclosed. The in-cell touch panel includes: an array substrate provided with top-gate thin-film transistors (TFTs); a plurality of mutually independent self-capacitance electrodes arranged in a same layer and disposed on a layer provided with the top-gate TFTs; a touch detection chip configured to determine a touch position in a touch period; and a plurality of wirings disposed beneath the layer provided with the top-gate TFTs and configured to connect the self-capacitance electrodes to the touch detection chip. Orthographic projections of patterns of the wirings on the array substrate shield patterns of active layers of the top-gate TFTs. The in-cell touch panel can reduce the manufacturing cost and improve the productivity.Type: ApplicationFiled: September 20, 2014Publication date: February 18, 2016Inventors: Weijie Zhao, Xue Dong, Haisheng Wang, Shengji Yang, Yingming Liu
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Publication number: 20160042215Abstract: The present invention discloses a fingerprint recognition element comprising: a plurality of parallel fingerprint detecting electrodes, the distance between two adjacent fingerprint detecting electrodes being not larger than the distance between adjacent ridge and valley in the fingerprint, a fingerprint recognition signal being loaded to one end of each fingerprint detecting electrode, and the fingerprint recognition signal being acquired in real time at the other end of each fingerprint detecting electrode. The present invention further discloses a display screen comprising the fingerprint recognition element and a display device comprising the display screen.Type: ApplicationFiled: June 11, 2014Publication date: February 11, 2016Inventors: Haisheng Wang, Xue Dong, Hongjuan Liu, Xiaoliang Ding, Shengji Yang, Yingming Liu, Weijie Zhao, Tao Ren