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).
-
Patent number: 9612681Abstract: 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: GrantFiled: June 17, 2015Date of Patent: April 4, 2017Assignees: BOE TECHNOLOGY GROUP CO., LTD., BEIJING BOE OPTOELECTRONICS TECHNOLOGY CO., LTD.Inventors: Shengji Yang, Xue Dong, Haisheng Wang, Yingming Liu, Weijie Zhao, Jingbo Xu
-
Patent number: 9606669Abstract: An in-cell touch panel and a display device implements touch function and display function by dividing a common electrode layer (110) connected with entire surface in the array substrate (100) to form a plurality of touch driving electrodes (111) and common electrodes (112); providing touch sensing electrodes (210) with a hollowed-out lattice structure over the common electrodes (112); and driving touch driving electrodes (111) in a time division manner. The in-cell touch panel can increase touch sensitivity and guarantee that touch sensing electrodes have small signal delays.Type: GrantFiled: August 7, 2014Date of Patent: March 28, 2017Assignees: BOE TECHNOLOGY GROUP CO., LTD., BEIJING BOE OPTOELECTRONICS TECHNOLOGY CO., LTD.Inventors: Shengji Yang, Xiaoliang Ding, Xue Dong, Haisheng Wang, Yingming Liu, Weijie Zhao
-
Publication number: 20170083163Abstract: Provided are a touch display circuit and driving method thereof, and a display apparatus. The touch display circuit comprises: a reset module connected to a reset signal terminal, a first level terminal and a first node; a charging module connected to a gate signal terminal, a data signal terminal and a second node; a pull-up module connected to a second level terminal, a first scan signal terminal, the first node and the second node; a driving module connected to the second level terminal, the gate signal terminal, the first node and a third node; and an electroluminescent module connected to the third node, a second scan signal terminal and a third level terminal. The touch display circuit outputs stable driving current and avoids or reduces the influence of the opposite electrodes on the touch driving.Type: ApplicationFiled: April 20, 2016Publication date: March 23, 2017Inventors: Hongjuan LIU, Haisheng WANG, Xiaochuan CHEN, Shengji YANG, Yingming LIU, Xiaoliang DING, Weijie ZHAO, Changfeng LI, Wei LIU
-
Publication number: 20170075450Abstract: The present disclosure discloses an embedded touch panel and display device. The embedded touch panel comprises an upper substrate, a lower substrate opposite to the upper substrate, multiple pixel units disposed on a plane of the lower substrate facing the upper substrate, wherein each of the pixel units comprises a bottom-emitting OLED pixel structure and a pixel circuit; a plurality of independent self-capacitance electrodes disposed between the lower substrate and the pixel units and insulated from the pixel units; a touch sensing chip which determines a touch position by detecting a change in capacitance of each of the self-capacitance electrodes during a touch duration; and wires disposed between the lower substrate and the OLED pixel structure, each of the wires corresponding to each of the self-capacitance electrodes and connecting the self-capacitance electrode to the touch sensing chip.Type: ApplicationFiled: May 9, 2016Publication date: March 16, 2017Inventors: Pengpeng WANG, Xue DONG, Hailin XUE, Haisheng WANG, Xiaochuan CHEN, Xiaoliang DING, Shengji YANG, Yingming LIU, Weijie ZHAO, Hongjuan LIU, Changfeng LI, Wei LIU
-
Publication number: 20170067754Abstract: The present disclosure provides an intelligent blind guiding device, wherein a satellite positioning module is configured to acquire a location information representative of a user's location; an ultrasonic module is configured to acquire an obstacle information by detecting surrounding obstacles; a positioning analysis module is configured to acquire a revised location information; a voice input module is configured to acquire a destination information; a central processing unit is configured to determine a travel solution; and a prompt module is configured to broadcast the travel solution. The present disclosure may realize a precise positioning, and provide an optional travel mode for a blind person.Type: ApplicationFiled: March 28, 2016Publication date: March 9, 2017Inventors: Hongjuan Liu, Haisheng Wang, Yingming Liu, Shengji Yang, Weijie Zhao, Wei Liu, Changfeng Li, Xiaoliang Ding, Rui Xu, Lei Wang
-
Publication number: 20170045995Abstract: A touch display panel, a method for driving the same and a touch display apparatus are provided. The touch display panel includes an array substrate and a cell alignment substrate arranged oppositely, a touch driving electrode, a first touch sensitive electrode and a second touch sensitive electrode. The first touch sensitive electrode is arranged on the cell alignment substrate, and the second touch sensitive electrode is arranged on the array substrate, the touch driving electrode is arranged between the first touch sensitive electrode and the second touch sensitive electrode. Mutual capacitances are generated between the touch driving electrode with each of the first touch sensitive electrode and the second touch sensitive electrode. The double-sided touch mode can be achieved according to the disclosure.Type: ApplicationFiled: July 9, 2015Publication date: February 16, 2017Applicants: BOE TECHNOLOGY GROUP CO., LTD., BEIJING BOE OPTOELECTRONICS TECHNOLOGY CO., LTD.Inventors: Weijie ZHAO, Xue DONG, Haisheng WANG, Yingming LIU
-
Patent number: 9569048Abstract: 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: GrantFiled: May 30, 2014Date of Patent: February 14, 2017Assignees: BOE TECHNOLOGY GROUP CO., LTD., BEIJING BOE OPTOELECTRONICS TECHNOLOGY CO., LTD.Inventors: Yingming Liu, Xue Dong, Haisheng Wang, Hongjuan Liu, Weijie Zhao, Tao Ren, Lei Wang
-
Patent number: 9571097Abstract: The present invention provides a touch screen and a display device with better touch effect. The touch screen includes: a first substrate, a plurality of first touch electrodes distributed along a first direction on the first substrate, and a first insulating layer between the first substrate and the first touch electrodes; and a plurality of second touch electrodes distributed along a second direction intersecting the first direction, wherein uneven areas are provided on one side of the first insulating layer facing the first touch electrodes at regions corresponding to each of the first touch electrodes, and the first touch electrodes are disposed on the first insulating layer according to its shape, forming corresponding uneven areas.Type: GrantFiled: December 25, 2013Date of Patent: February 14, 2017Assignees: BOE TECHNOLOGY GROUP CO., LTD., BEIJING BOE OPTOELECTRONICS TECHNOLOGY CO., LTD.Inventors: Haisheng Wang, Xue Dong, Hongjuan Liu, Xiaoliang Ding, Lei Wang, Chunlei Wang, Shengji Yang, Yingming Liu, Weijie Zhao, Tao Ren
-
Publication number: 20170038885Abstract: The present invention discloses a display device and a driving method thereof. The display device comprises a display panel, a grating, a voltage generating unit, a touch sensing unit and a control unit. The grating comprises a first electrode and a second electrode having a p plurality of electrode blocks. The voltage generating unit provides first and second voltages to the first and second electrodes, respectively. The control unit controls the values of the first, second voltages such that the grating is transparent during the 2D display phase and functions well during the 3D display phase. During a touch phase, the electrode blocks serve as touch electrodes so as to provide a touch function together with the touch sensing unit. Since the second electrode is used during both the display phase and the touch phase, the display device has a reduced thickness, lower costs and enhanced transmittance.Type: ApplicationFiled: August 13, 2015Publication date: February 9, 2017Inventors: Wei LIU, Xue DONG, Haisheng WANG, Xiaoliang DING, Shengji YANG, Yingming LIU, Hongjuan LIU, Weijie ZHAO, Changfeng LI
-
Publication number: 20170031517Abstract: The present disclosure provides a driving circuit and a driving method for a touch device, a touch device and a display device. The driving circuit includes an operational amplifier and a control circuit. A negative input terminal of the operational amplifier is connected with a touch-sensing electrode included in the touch device, and a positive input terminal of the operational amplifier is connected with the control circuit. The control circuit is to, at a touch stage, adjust a voltage at the positive input terminal of the operational amplifier to be within a first predetermined voltage range so as to control the touch-sensing electrode to implement a touch sensing operation, and at a display stage, adjust the voltage at the positive input terminal of the operational amplifier to be within a second predetermined voltage range so as to shield external static electricity.Type: ApplicationFiled: November 30, 2015Publication date: February 2, 2017Applicants: BOE TECHNOLOGY GROUP CO., LTD., BEIJING BOE OPTOELECTRONICS TECHNOLOGY CO., LTD.Inventors: Weijie ZHAO, Xue DONG, Haisheng WANG, Yingming LIU
-
Patent number: 9557866Abstract: Embodiments of the present invention disclose a capacitive touch panel and a touch display apparatus, which includes a substrate and at least a transparent electrically conductive layer; the transparent electrically conductive layer includes a plurality of electrode groups, each of electrode groups includes a plurality of electrodes in series, each of electrode groups connects to a sensing lead at one side, at lease one of the electrode groups is arranged along a direction away from the sensing lead, and capacitances formed between the electrodes of the at least one of the electrode groups and common electrodes are reduced gradually along the direction. The capacitive touch panel and touch display apparatus according to embodiments of the present invention are configured such that the farther away from the sending lead the electrode is, the smaller the capacitance of the electrode is, thus the signal delay of the electrode far away from the sending lead is improved and the touch sensitivity is improved.Type: GrantFiled: May 20, 2013Date of Patent: January 31, 2017Assignees: BEIJING BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.Inventors: Yingming Liu, Haisheng Wang, Shengji Yang, Weijie Zhao
-
Patent number: 9559690Abstract: An array substrate and a manufacturing method thereof, and a display device are provided.Type: GrantFiled: October 1, 2014Date of Patent: January 31, 2017Assignees: BOE TECHNOLOGY GROUP CO., LTD., BEIJING BOE OPTOELECTRONICS TECHNOLOGY CO., LTD.Inventors: Shengji Yang, Xue Dong, Haisheng Wang, Hailin Xue, Yingming Liu, Weijie Zhao, Hongjuan Liu, Xiaoliang Ding
-
Publication number: 20170017333Abstract: Embodiments of the present disclosure disclose an in-cell touch screen and a display device. A touch electrode arranged in the touch screen is provided with a slit at a region corresponding to a gap between two adjacent pixels, such that the slits in respective touch electrodes of the in-cell touch screen and the gaps between the touch electrodes are uniformly distributed to avoid defective problem of bright lines or dark lines present in the in-cell touch screen. Further, a strip-shaped floating electrode is further provided in the touch screen to be electrically connected with the touch electrode and is arranged at the a slit of the touch electrode and/or at the gap between two adjacent touch electrodes. The strip-shaped floating electrode is used to partially fill or cover the slit in the touch electrode, which can alleviate reduction in an effective area of the touch electrode due to providing the slit in the touch electrode.Type: ApplicationFiled: September 17, 2015Publication date: January 19, 2017Inventors: Haisheng Wang, Xue Dong, Xiaochuan Chen, Yingming Liu, Xiaoliang Ding, Shengji Yang, Weijie Zhao, Hongjuan Liu, Wei Liu, Changfeng Li
-
Publication number: 20170018226Abstract: The present invention provides a pixel driving circuit, a pixel driving method, and a display device. The pixel driving circuit comprises a driving transistor, a light-emitting device and a threshold compensation unit; a control electrode, a first electrode and a second electrode of the driving transistor are all connected with the threshold compensation unit; the threshold compensation unit is connected with a data line, a first power supply terminal, and a first terminal of the light-emitting device. In the technical solution of the present invention, by providing the sum of the data voltage and the threshold voltage of the driving transistor to the control electrode of the driving transistor, a driving current generated by the driving transistor is independent of the threshold voltage of the driving transistor, so as to prevent the driving current from being influenced by non-uniformity and shift of the threshold voltage.Type: ApplicationFiled: May 26, 2016Publication date: January 19, 2017Inventors: Shengji YANG, Xue DONG, Haisheng WANG, Xiaochuan CHEN, Yingming LIU, Xiaoliang DING, Weijie ZHAO, Rui XU, Lei WANG, Changfeng LI, Wei LIU
-
Patent number: 9542055Abstract: 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: GrantFiled: July 17, 2015Date of Patent: January 10, 2017Assignees: BOE TECHNOLOGY GROUP CO., LTD., BEIJING BOE OPTOELECTRONICS TECHNOLOGY CO., LTD.Inventors: Shengji Yang, Xue Dong, Haisheng Wang, Weijie Zhao, Yingming Liu
-
Publication number: 20160378240Abstract: The present disclosure provides a 3D module, a 3D display device and a method for driving the 3D module. The 3D module includes: a first substrate and a second substrate arranged opposite to each other and a beam splitter between the first substrate and the second substrate. The first substrate is arranged at a light-exiting side of the 3D module. The 3D module further includes: a touch module arranged between the first substrate and the beam splitter and including multiple self-capacitive electrodes arranged at an identical layer, and multiple touch signal lines configured to connect the self-capacitive electrodes to a touch detection circuit.Type: ApplicationFiled: August 10, 2015Publication date: December 29, 2016Applicants: BOE TECHNOLOGY GROUP CO., LTD., BEIJING BOE OPTOELECTRONICS TECHNOLOGY CO., LTD.Inventors: Changfeng LI, Xue DONG, Haisheng WANG, Yingming LIU, Shengji YANG, Xiaoliang DING, Weijie ZHAO, Hongjuan LIU, Wei LIU, Mubing LI
-
Patent number: 9529469Abstract: A touch substrate and a display device are provided. The touch substrate comprises: a base; an insulation layer, a common electrode layer, and a common electrode signal line and a plurality of touch drive electrode signal lines in the same layer, the common electrode layer comprises a plurality of touch drive electrodes, a plurality of common electrodes and a common electrode connection strip, each of the touch drive electrodes comprises a plurality of touch drive sub-electrodes, the common electrode connection strip is connected with the common electrode signal line through a plurality of first via-holes, each of the touch drive sub-electrodes is connected with one of the touch drive electrode signal lines through a second via-hole, semi-holes are provided at positions of the insulation layer corresponding to positions of the common electrodes and/or the touch drive sub-electrodes.Type: GrantFiled: November 10, 2014Date of Patent: December 27, 2016Assignees: BOE TECHNOLOGY GROUP CO., LTD., BEIJING BOE OPTOELECTRONICS TECHNOLOGY CO., LTD.Inventors: Yingming Liu, Xue Dong, Haisheng Wang, Xiaoliang Ding, Shengji Yang, Weijie Zhao, Liguang Deng
-
Patent number: 9529482Abstract: 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: GrantFiled: November 25, 2013Date of Patent: December 27, 2016Assignees: BOE TECHNOLOGY GROUP CO., LTD., BEIJING BOE OPTOELECTRONICS TECHNOLOGY CO., LTD.Inventors: Hongjuan Liu, Xue Dong, Haisheng Wang, Shengji Yang, Lei Wang, Chunlei Wang, Yingming Liu, Tao Ren, Weijie Zhao, Xiaoliang Ding
-
Patent number: 9529484Abstract: A capacitive touch structure, an in-cell touch panel, a display device and a scanning method thereof are disclosed. The capacitive touch structure includes: self-capacitance electrodes; block electrodes disposed in the same layer as self-capacitance electrodes; first wires connected with self-capacitance electrodes; second wires connected with block electrodes; and a touch sensing chip connected with the first wires and the second wires. There are at least adjacent self-capacitance electrodes that satisfy the following conditions: at least two block electrodes are provided between any two adjacent self-capacitance electrodes each of which corresponds to one self-capacitance electrode; block electrodes of one self-capacitance electrode are connected with the same second wire, block electrodes of adjacent self-capacitance electrodes are connected with different second wires, and one second wire is connected with block electrodes of at least two self-capacitance electrodes.Type: GrantFiled: September 30, 2014Date of Patent: December 27, 2016Assignees: BOE TECHNOLOGY GROUP CO., LTD., BEIGING BOE OPTOELECTRONICS TECHNOLOGY CO., LTD.Inventors: Shengji Yang, Xue Dong, Haisheng Wang, Weijie Zhao, Yingming Liu
-
Publication number: 20160370917Abstract: An in-cell touch panel and a display device are provided. The in-cell touch panel includes wires (03) and self-capacitive electrodes (02), and further includes a plurality of connecting line groups (04) not disposed in the same layer as the self-capacitive electrodes (02). Each of the connecting line groups (04) includes a plurality of sub connecting lines (041) disposed separately, sub connecting lines (041) belonging to a same connecting line group correspond to different ones of the self-capacitive electrodes (02), respectively, and each sub connecting line (041) is connected to a respective self-capacitive electrode through at least one via hole (V) penetrating an insulating layer (05). No via hole is provided in the region where the wires and the self-capacitive electrodes overlap, and each wire (03) is connected to a respective self-capacitive electrode (02) through at least one sub connecting line (041) that is connected to the respective self-capacitive electrode.Type: ApplicationFiled: August 13, 2015Publication date: December 22, 2016Inventors: Yanchen LI, Rui XU, Shengi YANG, Weijie ZHAO