Patents by Inventor Changwen An
Changwen An 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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Publication number: 20190302529Abstract: The present disclosure provides backlight module and display module. The backlight module may include: a display module and a backlight module, the backlight module is configured to face to the display module, the display module may include a first substrate, a second substrate and a liquid crystal layer interposed between the first substrate and the second substrate; the display module comprising a display region and a non-display region, at least one side of the second substrate extends along the non-display region and is bent below the backlight module so as to cover a portion of the backlight module.Type: ApplicationFiled: December 6, 2018Publication date: October 3, 2019Inventors: Guowei Zha, Hongqing Cui, Changwen Ma, Yan Cheng
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Patent number: 10376491Abstract: Disclosed are a pharmaceutical composition for treating non-alcoholic fatty liver and a method for preparing same. The composition is prepared from the following hulk drugs by weight ratio: 8.75-60 parts of silibinin, 15-65 parts of phospholipid, 25-200 parts of Pu'er tea extract, and 5-50 parts of radix puerariae extract.Type: GrantFiled: March 22, 2016Date of Patent: August 13, 2019Assignee: Tasly Pharmaceutical Group Co., Ltd.Inventors: Xijun Yan, Naifeng Wu, He Sun, Kaijing Yan, Yonghong Zhu, Xiaohui Ma, Shunnan Zhang, Changwen Li, Xiaolin Bai, Ting Li, Lei Li, Yi He
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Patent number: 10313267Abstract: The use of traffic flag symbols allows a large number of CPEs to transmit traffic notifications to a network controller. In some such embodiments, hundreds of CPEs simultaneously transmit traffic flags on different subcarriers of a channel. For example, in a MoCA2 based access network, up to 480 CPEs can transmit flags in only 5 ?s in the 100 MHz-wide channel.Type: GrantFiled: February 23, 2018Date of Patent: June 4, 2019Assignee: Entropic Communications, LLCInventors: Changwen Liu, David Barr, Michail Tsatsanis
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Patent number: 10297219Abstract: The disclosure provides GOA circuits used for switching display on a screen or on two screens and a driving method thereof. The GOA circuits include first GOA circuits on two sides of a main screen to control display of the main screen, second GOA circuits on two sides of the secondary screen to control display of the secondary screen, a first group of GOA control signals, controlling signal output of the first GOA circuits, a second group of GOA control signals, controlling signal output of the second GOA circuits, a switch controller, connecting the first GOA circuits and the second GOA circuits, and controlling connection or disconnection of the first group of GOA control signals and the second group of GOA control signals respectively.Type: GrantFiled: September 18, 2016Date of Patent: May 21, 2019Assignees: Shenzhen China Star Optoelectronics Technology Co., Ltd, Wuhan China Star Optoelectronics Technology Co., LtdInventors: Zhou Zhang, Yu-cheng Tsai, Changwen Ma, Pan Xu
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Publication number: 20190129216Abstract: A touch display panel and a touch display device are provided. The touch display panel, comprising an array substrate and a color filter substrate are cell-assembled, and a liquid crystal layer positioned between the array substrate and the color filter substrate. The array substrate includes a first substrate, a black matrix layer, a touch sensing layer, a first electrode layer and a pixel electrode layer are sequentially positioned, the pixel electrode layer is nearby the liquid crystal layer, the first substrate layer is positioned on a side of the pixel electrode which far away the liquid crystal layer. The touch display panel using the first substrate for controlling the touch display panel displays image while touch, the touch electrode field and driving electrode file in the touch display panel are not effect to each other, such that avoids to decrease resolution of touch display panel.Type: ApplicationFiled: January 4, 2018Publication date: May 2, 2019Inventors: Yucheng TSAI, Zhou ZHANG, Pan XU, Changwen MA
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Publication number: 20190110105Abstract: A message transmission method is provided. A processor that implements a first client, corresponding to a first account, determines a second account which performs message interaction with the first account, the second account corresponding to a second client. The first client transmits to the second client a preset link that is usable for playing a target media file at the second client, the target media file being currently played at the first client. The first client transmits and receives a message between the first account and the second account based on the target media file being played at the first client and the second client, the message being displayed on a first preset page of the first client.Type: ApplicationFiled: December 7, 2018Publication date: April 11, 2019Applicant: TENCENT TECHNOLOGY (SHENZHEN) COMPANY LIMITEDInventors: Xiaomin CHEN, Bing LI, Changwen YUAN
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Patent number: 10234744Abstract: The present invention belongs to the technical field of lasers, and particularly relates to a periodically poled crystal and an optical parametric amplifier. The present invention provides a periodically poled crystal, including a first nonlinear region, a linear region and a second nonlinear region, wherein the first nonlinear region and the second nonlinear region both have periodically poled structures. The optical parametric amplifier having the periodically poled crystal can separate the idler wave from the signal wave besides achieving the basic function of optical parametric amplification because the by-produced idler wave transmits in a direction different from the directions that the signal wave and the pump wave transmit, and therefore the energy reflow is suppressed when the optical parametric amplifier has reached saturated amplification, and the performance of the optical parametric amplifier is significantly improved.Type: GrantFiled: April 10, 2018Date of Patent: March 19, 2019Assignee: SHENZHEN UNIVERSITYInventors: Haizhe Zhong, Ying Li, Changwen Xu, Jianlong Yang, Shiwei Wang, Dianyuan Fan
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Patent number: 10210832Abstract: The present application discloses a display module comprising a flexible circuit board, a first drive chip, a second drive chip and a display panel, and the display panel comprises a first display region and a second display region which are seamlessly connected, and the first drive chip and the second drive chip are installed on the display panel, and the flexible circuit board is electrically connected to a system main board, the first drive chip and the second drive chip, and the first synchronization signal and the second synchronization signal control the first display region and the second display region to synchronously show images. The present application further publishes a liquid crystal display screen. The first drive chip and the second drive chip respectively drive the first display region and the second display region to synchronously output images.Type: GrantFiled: November 15, 2016Date of Patent: February 19, 2019Assignee: Wuhan China Star Optoelectronics Technology Co., LtdInventors: Changwen Ma, Chun-hung Huang, Zhou Zhang, Yucheng Tsai, Pan Xu
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Publication number: 20190037682Abstract: The present disclosure provides a COF flexible circuit board including a flexible package substrate and a control chip packaged on the flexible package substrate, the flexible package substrate is provided with an input terminal wiring and an output terminal wiring connected with the control chip, and the control chip includes a display driver for controlling a display panel, a touch controller for implementing a touch control function, and a fingerprint identification controller for implementing fingerprint identification that are packaged together. The present disclosure also provides a touch display panel including a display panel and a touch screen, and also including the COF flexible circuit board, the COF flexible circuit board being connected with the display panel and the touch screen. Compared with the prior art, the present disclosure saves material costs and wiring space by integrating and packaging display, touch control and fingerprint identification into one control chip.Type: ApplicationFiled: August 18, 2017Publication date: January 31, 2019Inventors: Yu-Cheng Tsai, Zhou Zhang, Pan Xu, Changwen Ma, Yaling Zhou
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Patent number: 10185448Abstract: A touch control liquid crystal display device, having a display panel and a backlight module disposed opposite each other and a middle frame supporting the panel and module. The panel includes an array and a filter substrate disposed opposite each other and a liquid crystal layer disposed there-between; wherein, a driving electrode layer is disposed on the array substrate, a first induction electrode layer is disposed on the filter substrate, the driving electrode layer and the first induction electrode layer constitute a capacitive touch control structure. Wherein, a second induction electrode layer is disposed on a side of the middle frame facing the module, there is a gap between the second induction electrode layer and the module. The second induction electrode layer and the driving electrode layer constitute a capacitive induction mechanism to induct a pressure signal applied on the panel. An electronic apparatus including the above device is also disclosed.Type: GrantFiled: April 5, 2016Date of Patent: January 22, 2019Assignee: WUHAN CHINA STAR OPTOELECTRONICS TECHNOLOGY CO., LTD.Inventors: Zhou Zhang, Chang Cao, Changwen Ma, Yu-cheng Tsai
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Patent number: 10185423Abstract: A plug-in touch display device includes a capacitive touch screen stacked on a display module. The display module includes a display panel and a backlight module that are supported in a middle frame. The display panel includes an array substrate that includes a pixel electrode, which also serves as a first capacitive sensing electrode. The middle frame has one side facing the backlight module and receiving a second capacitive sensing electrode arranged therein. A gap exists between the second capacitive sensing electrode and backlight module. The first capacitive sensing electrode and the second capacitive sensing electrode configure an electrode-induction device jointly, for sensing a pressure signal applied on the capacitive touch screen. In a display time period of one frame, the pixel electrode transmits pixel voltage signals and pressure sensing signals alternately.Type: GrantFiled: May 26, 2016Date of Patent: January 22, 2019Assignee: Wuhan China Star Optoelectronics Technology Co., LtdInventors: Chang Cao, Yu-cheng Tsai, Changwen Ma, Zhou Zhang
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Patent number: 10175545Abstract: The present application discloses a backlight module and a liquid crystal display device, the backlight module includes a first connecting terminal disposed on the backlight module for connecting the liquid crystal panel; a second connecting terminal disposed on the backlight module for connecting the control circuit board; a processing circuit is formed on one side of the backlight module to connect to the first connecting terminal and the second connecting terminal, respectively, and for realizing the signal processing and the connection between the liquid crystal panel and the control circuit board. The application can eliminate the conventional FPCA and reducing the thickness and weight of the liquid crystal display device.Type: GrantFiled: June 13, 2017Date of Patent: January 8, 2019Assignee: Wuhan China Star Optoelectronics Technology Co., LtdInventors: Yaling Zhou, Zhou Zhang, Yu-Cheng Tsai, Changwen Ma, Pan Xu
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Patent number: 10165507Abstract: A network access method and apparatus applied to a mobile application is described. The network access method applied to a mobile application includes: acquiring a prestored IP address in the mobile application, the prestored IP address being an IP address that is obtained when the mobile application previously accessed a first network, of a network service accessible to the mobile application; determining whether the mobile application accesses the first network again; and accessing the first network based on the stored IP address if the mobile application accesses the first network again. By using the present disclosure, the problem that a long time is consumed for network access of a mobile application is solved, and the effect of reducing the time consumed for the network access is achieved.Type: GrantFiled: July 6, 2016Date of Patent: December 25, 2018Assignee: TENCENT TECHNOLOGY (SHENZHEN) COMPANY LIMITEDInventors: Zhubin Jia, Changwen Yuan
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Patent number: 10164942Abstract: An apparatus, a method, and a client for synchronizing a jump context are provided. The apparatus includes a session ID generating module configured to acquire a jump context of a user from a social application platform, save the jump context to a session data DB, and return an ID of the jump context to the social application platform, so that the social application platform sends the ID of the jump context to the third-party website. The apparatus also includes a session data acquiring API configured to receive processing state information of the user with the ID of the jump context from the third-party website, and send the processing state information to the social application platform, so that the social application platform displays the processing state information. The session data DB is configured to save the jump context and the ID corresponding to the jump context.Type: GrantFiled: June 5, 2018Date of Patent: December 25, 2018Assignee: Tencent Technology (Shenzhen) Company LimitedInventor: Changwen Yuan
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Publication number: 20180335877Abstract: Disclosed is an array substrate, comprising a substrate; a driving unit; a common electrode layer, and the common electrode layer comprising a plurality of touch electrodes, which are separately arranged, and the plurality of touch electrodes receiving a touch signal and a first common voltage in time division; a plurality of wires, being provided on the substrate and extending along a first direction, and two ends of each of the wires being electrically connected to one of the touch electrodes and the driving unit, respectively; at least one compensation line, which is separately arranged from the wires, and the compensation line extending in a direction opposite to the first direction, and the compensation line being overlapped with at least one of the touch electrodes, and the compensation line receiving a second common voltage as the one of the touch electrodes receives the first common voltage.Type: ApplicationFiled: March 22, 2017Publication date: November 22, 2018Applicant: Wuhan China Star Optoelectronics Technology Co., Ltd.Inventors: Zhou ZHANG, Pan XU, Changwen MA, Yucheng TSAI
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Publication number: 20180307081Abstract: The present application discloses a backlight module and a liquid crystal display device, the backlight module includes a first connecting terminal disposed on the backlight module for connecting the liquid crystal panel; a second connecting terminal disposed on the backlight module for connecting the control circuit board; a processing circuit is formed on one side of the backlight module to connect to the first connecting terminal and the second connecting terminal, respectively, and for realizing the signal processing and the connection between the liquid crystal panel and the control circuit board. The application can eliminate the conventional FPCA and reducing the thickness and weight of the liquid crystal display device.Type: ApplicationFiled: June 13, 2017Publication date: October 25, 2018Applicant: Wuhan China Star Optoelectronics Technology Co., Ltd.Inventors: Yaling ZHOU, Zhou ZHANG, YU-CHENG TSAI, Changwen MA, Pan XU
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Publication number: 20180292929Abstract: The present invention provides a touch panel, comprising an array substrate, a touch receiving layer, a touch transmitting layer, a separation layer and a cover plate; the array substrate and the cover plate oppositely located; the touch receiving layer formed at one side of cover plate facing the array substrate, and the separation layer formed at one side of the touch receiving layer away from the cover plate, and the touch transmitting layer formed between the array substrate and the separation layer; a mutual capacitance formed between the touch receiving layer and the touch transmitting layer so that the separation layer can be compressed to change a capacitance value of the mutual capacitance to achieve recognition of a touch position. Embedded 3D touch sensors can be realized and the external pressure touch sensors are not required to be connected to decrease the complexity of the system.Type: ApplicationFiled: October 25, 2016Publication date: October 11, 2018Applicant: Wuhan China Star Optoelectronics Technology Co., Ltd.Inventors: Zhou ZHANG, Pan XU, Changwen MA, Yucheng TSAI
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Publication number: 20180292693Abstract: The disclosure is related to liquid crystal display technology field, and in particular to an array substrate. By manufacturing a touch circuit and a source/drain on the same layer, the touch circuit receives a touch signal from a drive circuit and transmits to a first transparent conductive layer. The array substrate of present disclosure is self-capacitive touch sensor with In-Cell touch function. Compare to prior arts, a manufacturing process of a metal layer and an isolated layer is omitted in the disclosure so that steps of manufacturing process can be simplified, raw to materials can be saved, and further manufacturing period of a TFT substrate can be reduced and manufacturing cost reduction of a TFT substrate can be achieved. The TFT substrate in the disclosure has In-Cell touch function, simplified structure, and low manufacturing cost.Type: ApplicationFiled: December 29, 2016Publication date: October 11, 2018Applicant: WUHAN CHINA STAR OPTOELECTRONICS TECHNOLOGY CO., LTD.Inventors: Yu-cheng TSAI, Changwen MA, Zhou ZHANG, Pan XU
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Publication number: 20180295117Abstract: System and methods are provided for admission to networks that include at least one node providing network coordinator functions. A network coordinator may have a random number generator, with the network coordinator distributing a random number within a network that include at least a first node and a second node. The network coordinator may receive a request for a dynamic encryption key from the first node, with the request being encrypted using a static encryption key unique to the first node, and with the static encryption key being determined based on the distributed random number. The network coordinator may then send a dynamic encryption key to the first node, with the dynamic encryption key being encrypted using the static encryption key. The second node may then admit the first node into the network. The network may be a Multimedia over Coax Alliance (MoCA®) network.Type: ApplicationFiled: February 26, 2018Publication date: October 11, 2018Inventors: Changwen Liu, Ronald B. Lee
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Publication number: 20180287998Abstract: An apparatus, a method, and a client for synchronizing a jump context are provided. The apparatus includes a session ID generating module configured to acquire a jump context of a user from a social application platform, save the jump context to a session data DB, and return an ID of the jump context to the social application platform, so that the social application platform sends the ID of the jump context to the third-party website. The apparatus also includes a session data acquiring API configured to receive processing state information of the user with the ID of the jump context from the third-party website, and send the processing state information to the social application platform, so that the social application platform displays the processing state information. The session data DB is configured to save the jump context and the ID corresponding to the jump context.Type: ApplicationFiled: June 5, 2018Publication date: October 4, 2018Inventor: Changwen YUAN