Patents by Inventor Chao-Chen Wang
Chao-Chen Wang 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: 11929041Abstract: A display apparatus includes a backlight module with backlight zones, a panel over the backlight module, and a circuit configured to generate compensated pixel data for the panel based on image data and an arrangement of the zones of the backlight module, in which the image data has image areas respectively corresponding to the backlight zones. For a first image area being a low-luminance image area and a luminance intensity of a first zone of the zones corresponding to the first image area being less than a luminance intensity of a second zone corresponding to a second image area neighboring the first image area, the circuit performs first pixel compensation for high-luminance pixels in the second image area and second pixel compensation on low-luminance pixels in the second image area, in which the second pixel compensation is greater than the first pixel compensation.Type: GrantFiled: November 29, 2022Date of Patent: March 12, 2024Assignee: HIMAX TECHNOLOGIES LIMITEDInventors: Chao Chen Huang, Tsai Hsing Chen, Cheng Che Tsai, Ching-Wen Wang
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Patent number: 9436310Abstract: A touch display includes a plurality of pixels, a plurality of scan lines, a plurality of data lines, a plurality of first conducting layers, and a plurality of third conducting layers. The plurality of scan lines are coupled to the plurality of pixels. The plurality of data lines are coupled to the plurality of pixels and the plurality of first conducting layers to provide a touch driving signal. Each first conducting layer of the plurality of first conducting layers is configured to receive the touch driving signal. The plurality of third conducting layers is configured to output a touch sensing signal according to the touch driving signals outputted by the plurality of first conducting layers.Type: GrantFiled: December 10, 2015Date of Patent: September 6, 2016Assignee: AU OPTRONICS CORP.Inventors: Gui-Wen Liu, Chao-Chen Wang, Chao-Chuan Chen
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Patent number: 9329735Abstract: A touch circuit chip includes a load adjustment unit and a comparator. The load adjustment unit adjusts a determined impedance value according to an impedance matching signal. The first comparator has a first end electrically coupled to a first load and from which to receive a sensing signal, a second end electrically coupled to a second load via the load adjustment unit and from which to receive a reference signal, and an output end. The comparator compares the received sensing signal with the received reference signal and accordingly output a comparison result. The touch circuit chip determines whether there exists a change of a capacitance value of a coupling capacitor between the first and second loads according to the comparison result, wherein the determined impedance value is matched to the impedance value of the coupling capacitor and the first load. A touch apparatus is also provided.Type: GrantFiled: July 8, 2013Date of Patent: May 3, 2016Assignee: AU OPTRONICS CORP.Inventors: Kyaw Kyaw Tun, Chao-Chen Wang, Chao-Chuan Chen
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Publication number: 20160098135Abstract: A touch display includes a plurality of pixels, a plurality of scan lines, a plurality of data lines, a plurality of first conducting layers, and a plurality of third conducting layers. The plurality of scan lines are coupled to the plurality of pixels. The plurality of data lines are coupled to the plurality of pixels and the plurality of first conducting layers to provide a touch driving signal. Each first conducting layer of the plurality of first conducting layers is configured to receive the touch driving signal. The plurality of third conducting layers is configured to output a touch sensing signal according to the touch driving signals outputted by the plurality of first conducting layers.Type: ApplicationFiled: December 10, 2015Publication date: April 7, 2016Inventors: Gui-Wen Liu, Chao-Chen Wang, Chao-Chuan Chen
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Patent number: 9298307Abstract: A touch display apparatus is disclosed in the disclosure. The touch display apparatus includes a panel module, a display driving circuit and a touch sensing circuit. The panel module includes pixel units, common electrode lines and a touch receiving line. The common electrode lines are disposed vertical to the touch response lines. The display driving circuit is coupled to the panel module to drive the pixel units. The display driving circuit is synchronized to the touch sensing circuit. The touch transmission signal for touch-sensing is transmitted via the common electrode line sequentially. In addition, a display-driving method is also disclosed.Type: GrantFiled: May 30, 2013Date of Patent: March 29, 2016Assignee: AU OPTRONICS CORPORATIONInventors: Yu-Ta Chen, Chao-Chen Wang, Shing-Ming Tai, Chao-Chuan Chen
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Patent number: 9244552Abstract: A touch display includes a plurality of pixels, a plurality of scan lines, a plurality of data lines, a plurality of first conducting layers, and a plurality of third conducting layers. The plurality of scan lines are coupled to the plurality of pixels. The plurality of data lines are coupled to the plurality of pixels and the plurality of first conducting layers to provide a touch driving signal. Each first conducting layer of the plurality of first conducting layers is configured to receive the touch driving signal. The plurality of third conducting layers is configured to output a touch sensing signal according to the touch driving signals outputted by the plurality of first conducting layers.Type: GrantFiled: September 23, 2013Date of Patent: January 26, 2016Assignee: AU Optronics Corp.Inventors: Gui-Wen Liu, Chao-Chen Wang, Chao-Chuan Chen
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Publication number: 20150234491Abstract: A data transmission system, a data transmission method, a data receiving method, and an electric device are disclosed. The data transmission method is adapted to transmit data of a first device to a second device. The first device includes a first capacitance touch panel, and the second device includes a second capacitance touch panel. The data transmission method includes the following steps. After the data is selected in the first device, the first capacitance touch panel is aligned with the second capacitance touch panel. The first device supplies the data to the first capacitance touch panel to form the capacitive coupling between the first capacitance touch panel and the second capacitance touch panel. The second device obtains the data through the capacitive coupling between the first capacitance touch panel and the second capacitance touch panel.Type: ApplicationFiled: June 2, 2014Publication date: August 20, 2015Applicant: AU Optronics Corp.Inventors: Gui-Wen Liu, Chao-Chen Wang, Chao-Chuan Chen
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Patent number: 9007537Abstract: A capacitive touch module includes a first glass layer, a second glass layer, a liquid crystal layer, a first insulating layer, a second insulating layer, a plurality of first electrodes, second electrodes and third electrodes. The liquid crystal layer is arranged between the first glass layer and the second glass layer. The first insulating layer is formed between the first glass layer and the liquid crystal layer. The second insulating layer is formed between the liquid crystal layer and the second glass layer. The plurality of first electrodes are formed between the liquid crystal layer and the first insulating layer along a first axis. The plurality of second electrodes are formed between the second insulating layer and the second glass layer along the first axis. The plurality of third electrodes are formed between the first insulating layer and the first glass layer along a second axis.Type: GrantFiled: September 13, 2012Date of Patent: April 14, 2015Assignee: AU Optronics Corp.Inventors: Kyaw Kyaw Tun, Chao-Chen Wang, Chi-Cheng Chen
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Patent number: 8970548Abstract: A touch display includes a display panel, a plurality of sensing electrodes and a driving circuit module. The display panel includes a plurality of pixels. The plurality of sensing electrodes are stacked with the display panel and are used for detecting a touch input and generating a sensing signal in response to the touch input. The driving circuit module is electrically coupled to the display panel and the plurality of sensing electrodes, for controlling the pixels of the display panel according to an image data, and generating a touch signal for indicating whether the touch display is touched or not in response to the image data and the sensing signal.Type: GrantFiled: March 13, 2013Date of Patent: March 3, 2015Assignee: AU Optronics Corp.Inventors: Kyaw Kyaw Tun, Chao-Chen Wang, Chi-Cheng Chen
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Publication number: 20140340349Abstract: A touch display includes a plurality of pixels, a plurality of scan lines, a plurality of data lines, a plurality of first conducting layers, and a plurality of third conducting layers. The plurality of scan lines are coupled to the plurality of pixels. The plurality of data lines are coupled to the plurality of pixels and the plurality of first conducting layers to provide a touch driving signal. Each first conducting layer of the plurality of first conducting layers is configured to receive the touch driving signal. The plurality of third conducting layers is configured to output a touch sensing signal according to the touch driving signals outputted by the plurality of first conducting layers.Type: ApplicationFiled: September 23, 2013Publication date: November 20, 2014Applicant: AU Optronics Corp.Inventors: Gui-Wen Liu, Chao-Chen Wang, Chao-Chuan Chen
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Patent number: 8887102Abstract: A method of determining input pattern is adapted to be implemented on an electronic apparatus equipped with a touch panel and includes the steps of: detecting a plurality of boundary points between an input pattern inputted through the touch panel and a circumscribed polygon of the input pattern, detecting an area ratio of a polygon defined by the boundary points to the circumscribed polygon, and determining the shape of the input pattern at least according to the area ratio. The present invention also provides a computer readable storage medium having a program stored therein. When the program is executed which enables an electronic apparatus equipped with a touch panel to determine the shape and/or direction of an input pattern inputted through the touch panel.Type: GrantFiled: August 25, 2009Date of Patent: November 11, 2014Assignee: AU Optronics Corp.Inventors: Kuang-Yu Fu, Yao-Jen Hsieh, Ming-Jong Jou, Heng-Sheng Chou, Pang-Chiang Chia, Chao-Chen Wang
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Sensing module which can perform proximity detection and display structure having sensing electrodes
Patent number: 8878808Abstract: A display includes a display module and a sensing module including a proximity sensing electrode, a set of sensing electrodes, a touch circuit, a proximity circuit and a processor. The sensing electrodes are configured to sense a touch input during a first period and sense a proximity input during a second period. The touch circuit is coupled to the sensing electrodes for controlling the sensing electrodes to sense the touch input in the first period, and converting a two-dimensional analog touch signal transmitted from the set of the sensing electrodes to a two-dimensional digital touch signal. The proximity circuit is coupled to the sensing electrodes and the proximity sensing electrode for controlling the sensing electrodes and the proximity sensing electrode to sense the proximity input, and converting a three-dimensional analog proximity signal transmitted from the set of sensing electrodes and proximity unit to a three-dimensional digital proximity signal.Type: GrantFiled: March 13, 2013Date of Patent: November 4, 2014Assignee: AU Optronics Corp.Inventors: Chi-Cheng Chen, Chao-Chen Wang, Kyaw Kyaw Tun, Chih-Hao Hu -
Patent number: 8872790Abstract: An exemplary operating method of a capacitive touch panel adapted to a touch control barrier-type three-dimensional display device and including a sensing device is disclosed. In the operating method, a sensing voltage readout operation is performed only during a signal caused by a transient of a barrier voltage is smaller than a preset value. The voltage readout operation includes steps of: providing a first driving signal to the sensing device for performing the sensing voltage readout operation during the barrier voltage is at a logic high level; and providing a second driving signal to the sensing device for performing the sensing voltage readout operation during the barrier voltage is at a logic low level. A pulse amplitude of the first driving signal is smaller than that of the second driving signal.Type: GrantFiled: November 28, 2011Date of Patent: October 28, 2014Assignee: Au Optronics Corp.Inventors: Kyaw Kyaw Tun, Chao-Chen Wang, Chun-Huai Li
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Patent number: 8823655Abstract: A method for detecting touch-point coordinates includes: scanning a plurality of signal points in sequence to generate a plurality of original data including a plurality of original touch point data; performing a grouping algorithm for the original touch point data to group the original touch point data into a plurality of group sets; and calculating a barycentric coordinate of each of the group sets and outputting the barycentric coordinate as a touch-point coordinate of each of the group sets.Type: GrantFiled: May 25, 2010Date of Patent: September 2, 2014Assignee: AU Optronics Corp.Inventors: Chao-Chen Wang, Heng-Sheng Chou, Pang-Chiang Chia, Yuet-Ping Lee
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Publication number: 20140240275Abstract: A touch circuit chip includes a load adjustment unit and a comparator. The load adjustment unit adjusts a determined impedance value according to an impedance matching signal. The first comparator has a first end electrically coupled to a first load and from which to receive a sensing signal, a second end electrically coupled to a second load via the load adjustment unit and from which to receive a reference signal, and an output end. The comparator compares the received sensing signal with the received reference signal and accordingly output a comparison result. The touch circuit chip determines whether there exists a change of a capacitance value of a coupling capacitor between the first and second loads according to the comparison result, wherein the determined impedance value is matched to the impedance value of the coupling capacitor and the first load. A touch apparatus is also provided.Type: ApplicationFiled: July 8, 2013Publication date: August 28, 2014Inventors: KYAW KYAW TUN, Chao-Chen WANG, Chao-Chuan CHEN
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Publication number: 20140111467Abstract: An in-cell touch display panel includes a plurality of first sensing electrodes, a pixel matrix, a plurality of second sensing electrodes, a touch control unit, and a display driving unit. The plurality of first sensing electrodes are for generating touch sensing signals according to touch scanning signals. The plurality of second sensing electrodes are utilized as common voltage electrodes of pixels of the pixel matrix. Wherein when the display driving unit drives pixels of a first block of the pixel matrix to display image, the display driving unit outputs a common voltage to the pixels of the first block via the second sensing electrodes corresponding to the first block, and outputs the touch scanning signals via the second sensing electrodes corresponding to a second block of the pixel matrix; and wherein the display driving unit switches a frequency of the touch scanning signals according to magnitude of a noise.Type: ApplicationFiled: June 6, 2013Publication date: April 24, 2014Inventors: Yu-Ta Chen, Chao-Chen Wang, Chien-Ming Ko, Iru Wang, Tung-Tsun Lin, Yuan Mao
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Publication number: 20140062918Abstract: A touch display apparatus is disclosed in the disclosure. The touch display apparatus includes a panel module, a display driving circuit and a touch sensing circuit. The panel module includes pixel units, common electrode lines and touch receiving line. The common electrode lines are disposed vertical to the touch response lines. The display driving circuit is coupled to the panel module to drive the pixel units. The display driving circuit is synchronized to the touch sensing circuit. The touch transmission signal for touch-sensing are transmitted via the common electrode line sequentially. In addition, a display-driving method is also disclosed.Type: ApplicationFiled: May 30, 2013Publication date: March 6, 2014Applicant: AU Optronics CorporationInventors: Yu-Ta CHEN, Chao-Chen WANG, Shing-Ming TAI, Chao-Chuan CHEN
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Publication number: 20130314623Abstract: A capacitive touch module includes a first glass layer, a second glass layer, a liquid crystal layer, a first insulating layer, a second insulating layer, a plurality of first electrodes, second electrodes and third electrodes. The liquid crystal layer is arranged between the first glass layer and the second glass layer. The first insulating layer is formed between the first glass layer and the liquid crystal layer. The second insulating layer is formed between the liquid crystal layer and the second glass layer. The plurality of first electrodes are formed between the liquid crystal layer and the first insulating layer along a first axis. The plurality of second electrodes are formed between the second insulating layer and the second glass layer along the first axis. The plurality of third electrodes are formed between the first insulating layer and the first glass layer along a second axis.Type: ApplicationFiled: September 13, 2012Publication date: November 28, 2013Applicant: AU OPTRONICS CORP.Inventors: Kyaw Kyaw Tun, Chao-Chen Wang, Chi-Cheng Chen
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Publication number: 20130300706Abstract: A touch display includes a display panel, a plurality of sensing electrodes and a driving circuit module. The display panel includes a plurality of pixels. The plurality of sensing electrodes are stacked with the display panel and are used for detecting a touch input and generating a sensing signal in response to the touch input. The driving circuit module is electrically coupled to the display panel and the plurality of sensing electrodes, for controlling the pixels of the display panel according to an image data, and generating a touch signal for indicating whether the touch display is touched or not in response to the image data and the sensing signal.Type: ApplicationFiled: March 13, 2013Publication date: November 14, 2013Applicant: AU OPTRONICS CORP.Inventors: Kyaw Kyaw Tun, Chao-Chen Wang, Chi-Cheng Chen
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SENSING MODULE WHICH CAN PERFORM PROXIMITY DETECTION AND DISPLAY STRUCTURE HAVING SENSING ELECTRODES
Publication number: 20130271396Abstract: A display includes a display module and a sensing module including a proximity sensing electrode, a set of sensing electrodes, a touch circuit, a proximity circuit and a processor. The sensing electrodes are configured to sense a touch input during a first period and sense a proximity input during a second period. The touch circuit is coupled to the sensing electrodes for controlling the sensing electrodes to sense the touch input in the first period, and converting a two-dimensional analog touch signal transmitted from the set of the sensing electrodes to a two-dimensional digital touch signal. The proximity circuit is coupled to the sensing electrodes and the proximity sensing electrode for controlling the sensing electrodes and the proximity sensing electrode to sense the proximity input, and converting a three-dimensional analog proximity signal transmitted from the set of sensing electrodes and proximity unit to a three-dimensional digital proximity signal.Type: ApplicationFiled: March 13, 2013Publication date: October 17, 2013Applicant: AU OPTRONICS CORP.Inventors: Chi-Cheng Chen, Chao-Chen Wang, Kyaw Kyaw Tun, Chih-Hao Hu