Patents by Inventor Chi-Mao Hung
Chi-Mao Hung 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).
-
Publication number: 20160071465Abstract: The present invention provides a driving apparatus, the driving apparatus is used for outputting a driving signal to drive an electro-phoretic display, and the driving apparatus includes a driving signal generator, a temperature sensor, and a selector. The driving signal generator generates a plurality of periodic alternative current signals and a plurality of direct current signals. The temperature sensor generates a temperature parameter by sensing an environment temperature. The selector is coupled to the driving signal generator and the temperature sensor. The selector selects one of the periodic alternative current signals or one of the direct current signals as the driving signal according to the temperature parameter. The driving signal is a common voltage for the electro-phoretic display, and when one of the periodic alternative current signals is selected as the driving signal, an amplitude of the driving signal is varied with the environment temperature.Type: ApplicationFiled: November 16, 2015Publication date: March 10, 2016Inventors: Chi-Mao Hung, Pei-Lin Tien
-
Patent number: 9262973Abstract: An electrophoretic display capable of reducing passive matrix coupling effect includes an electrophoretic panel, a plurality of first scan lines, and a plurality of second scan lines. The electrophoretic panel includes a plurality of pixels. Each pixel of the plurality of pixels corresponds to a storage capacitor, and the storage capacitor is coupled to a first scan line and a second scan line. When the pixel is used for displaying a first color, the first scan line receives a first driving voltage, the second scan line is coupled to ground, and other first scan lines and other second scan lines receive a first voltage. A voltage difference between the first driving voltage and the first voltage and a voltage difference between the ground and the first voltage are smaller than a first threshold value corresponding to the first color.Type: GrantFiled: February 4, 2014Date of Patent: February 16, 2016Assignee: SiPix Technology, Inc.Inventors: Yan-Liang Wu, Chi-Mao Hung, Wei-Min Sun, Pei-Lin Tien, Chih-Yuan Hsu, Hsiao-Lung Cheng
-
Publication number: 20160042678Abstract: An electronic paper apparatus including a communication module and a control module is provided. The communication module receives an electrical signal and generates a power voltage according to the electric signal. The communication module wakes up a controller during a first period of a work period by using the power voltage. The control module is electrically connected to the communication module, and includes the controller and an electronic paper display. The control module establishes a communication connection with the communication module during a second period of the work period. The power circuit module generates a driving voltage according to the power voltage to drive the electronic paper display to display image information according to the driving voltage during a display period. The first period and the second period are two continuous time intervals forming the work period. Furthermore, a driving method of the electronic paper apparatus is also provided.Type: ApplicationFiled: July 26, 2015Publication date: February 11, 2016Inventors: Chuen-Jen Liu, Li-Wei Chou, Jia-Hong Xu, Yu-Ming Lee, Chi-Mao Hung
-
Publication number: 20160035291Abstract: An electronic label system including a control unit and a plurality of electronic label units is provided. The control unit transmits wireless power. The electronic label units are coupled to the control unit. The electronic label units respectively output a plurality of state information to the control unit, so that the control unit monitors operation states of the electronic label units according to the state information. The state information is transmitted to the control unit when a state of the electronic label units is varied. The control unit transmits the wireless power to the electronic label units by using wireless communications, and the electronic label units are charged with the wireless power. Furthermore, a wired communication interface is used as the communication interface between the net unit and the electronic label units in the electronic label system, so that the cost of the electronic label system is reduced.Type: ApplicationFiled: October 15, 2015Publication date: February 4, 2016Inventor: Chi-Mao Hung
-
Publication number: 20160012710Abstract: A smart medication device including a non-electrical component and an electrical component is provided. The non-electrical component includes a containing structure configured to contain one or more medicines. The electrical component is disposed on the non-electrical component. The electrical component includes a triggering structure and an e-paper display apparatus. The triggering structure is configured to generate a triggering signal to trigger the e-paper display apparatus to display medicine administration information. The triggering structure is deformed by receiving an external force to generate the triggering signal. An electrical characteristic of the triggering signal is determined by a structure characteristic of the triggering structure.Type: ApplicationFiled: July 9, 2015Publication date: January 14, 2016Inventors: Yen-Hsing Lu, Chi-Mao Hung, Chung-Hui Lee
-
Patent number: 9224344Abstract: An electrophoretic display includes an electrophoretic panel and a compensation circuit. The electrophoretic panel includes a common electrode, a plurality of scan lines, a plurality of data lines, a plurality of first switches, and a plurality of pixels. Each pixel of the plurality of pixels is coupled to the common electrode and coupled to a corresponding scan line and a corresponding data line through a corresponding first switch of the plurality of first switches. The compensation circuit reduces a voltage drop between a pixel voltage of the pixel and a common voltage of the common electrode when the plurality of first switches are turned off. A capacitor of the compensation circuit is coupled between each scan line and the common electrode. A second switch of the compensation circuit is turned off to float the common electrode before the plurality of first switches are turned off.Type: GrantFiled: April 17, 2014Date of Patent: December 29, 2015Assignee: SiPix Technology, Inc.Inventors: Ju-Lin Chung, Chi-Mao Hung, Wei-Min Sun, Pei-Lin Tien
-
Patent number: 9218773Abstract: The present invention provides a driving apparatus, the driving apparatus is used for outputting a driving signal to drive an electro-phoretic display, and the driving apparatus includes a driving signal generator, a temperature sensor, and a selector. The driving signal generator generates a plurality of periodic alternative current signals and a plurality of direct current signals. The temperature sensor generates a temperature parameter by sensing an environment temperature. The selector is coupled to the driving signal generator and the temperature sensor. The selector selects one of the periodic alternative current signals or one of the direct current signals as the driving signal according to the temperature parameter.Type: GrantFiled: January 17, 2013Date of Patent: December 22, 2015Assignee: SiPix Technology Inc.Inventors: Wei-Min Sun, Chi-Mao Hung, Chih-Yuan Hsu, Yan-Liang Wu, Pei-Lin Tien
-
Publication number: 20150356927Abstract: A display has a panel, a plurality of first traces and a plurality of second traces. The panel has a first passive matrix and a first coupling capacitor group. The first passive matrix has a plurality of first pixels, and the first coupling capacitor group has a plurality of first coupling capacitors. Each of the first pixels is coupled to a first storage capacitor and corresponds to at least a specific first coupling capacitor of the plurality of first coupling capacitors. The first storage capacitor is coupled to a specific first trace of the plurality of first traces and a specific second trace of the plurality of second traces. The specific first coupling capacitor is coupled to another first trace and the specific second trace, and the specific first coupling capacitor is not directly connected to any of the first pixels.Type: ApplicationFiled: August 18, 2015Publication date: December 10, 2015Inventor: Chi-Mao Hung
-
Patent number: 9201279Abstract: A display device includes an upper substrate, a lower substrate, and a display medium layer. A displaying region, a first bonding region, and a second bonding region are defined in the upper substrate. The first and second boding regions are positioned at two sides of the displaying region. First upper bonding pads and second upper bonding pads are disposed in the first boding region and the second boding region respectively on the bottom surface of the upper substrate. Each first upper boding pad and each second upper boding pad connect with a corresponding odd strip-shaped electrode and a corresponding even strip-shaped electrode in the displaying region respectively. First and second lower bonding pads are disposed on the top surface of the lower substrate, each of which is electrically connected to one corresponding first upper bonding pads or one corresponding second upper bonding pads.Type: GrantFiled: November 1, 2013Date of Patent: December 1, 2015Assignee: SiPix Technology, Inc.Inventors: Yan-Liang Wu, Chi-Mao Hung, Wei-Min Sun, Pei-Lin Tien, Chih-Yuan Hsu, Hsiao-Lung Cheng
-
Patent number: 9197704Abstract: An electronic label system and an operation method thereof are provided. The electronic label system includes a control unit and a plurality of electronic label units. The control unit is used for sending display information. The electronic label units are coupled to the control unit to receive the display information and display according to the corresponding display information, respectively. The electronic label units respectively output a plurality of state information to the control unit so that the control unit can monitor operation states of the electronic label units according to the state information.Type: GrantFiled: June 27, 2012Date of Patent: November 24, 2015Assignee: SiPix Technology Inc.Inventors: Wei-Min Sun, Yao-Jen Hsieh, Ming-Jong Jou, Chi-Mao Hung
-
Patent number: 9176629Abstract: A pixel unit, method for sensing touch of an object, and a display apparatus incorporating the same are provided. The display apparatus includes a data line. The pixel unit includes a first switch circuit electrically connected to the data line and a sensing circuit electrically connected to the first switch circuit. The sensing circuit generates a signal in response to the touch of the object, while the signal is transmitted through the data line with the first switch circuit turned on. In addition, the display apparatus further includes a readout line. The pixel unit further includes a second switch circuit electrically connected to the readout line. The sensing circuit is electrically connected to the second switch circuit. In a first time period, the sensing circuit receives a reference voltage via the first switch circuit. Then the signal generated by the touch of the object is transmitted through the readout line via the second switch circuit in a second time period.Type: GrantFiled: May 13, 2008Date of Patent: November 3, 2015Assignee: AU OPTRONICS CORP.Inventors: Chi-Wen Chen, Li-Wei Shih, Meng-Hsiang Chang, Chi-Mao Hung, Chien-Jen Chen, Kun-Hua Tsai
-
Patent number: 9147364Abstract: An electrophoretic display capable of reducing passive matrix coupling effect includes an electrophoretic panel, a coupling capacitor group, a plurality of first scan lines, and a plurality of second scan lines. The electrophoretic panel includes a plurality of pixels. The coupling capacitor group includes a plurality of coupling capacitors. Each pixel of the plurality of pixels is coupled to a storage capacitor and corresponds to a coupling capacitor, the storage capacitor is coupled to a first scan line and a second scan line, the coupling capacitor is coupled to another first scan line and the second scan line, and the coupling capacitor is not coupled to any pixel.Type: GrantFiled: January 14, 2014Date of Patent: September 29, 2015Assignee: SiPix Technology, Inc.Inventors: Yan-Liang Wu, Chi-Mao Hung, Wei-Min Sun, Pei-Lin Tien, Chih-Yuan Hsu, Hsiao-Lung Cheng
-
Publication number: 20140375537Abstract: An electrophoretic display includes an electrophoretic panel and a compensation circuit. The electrophoretic panel includes a common electrode, a plurality of scan lines, a plurality of data lines, a plurality of first switches, and a plurality of pixels. Each pixel of the plurality of pixels is coupled to the common electrode and coupled to a corresponding scan line and a corresponding data line through a corresponding first switch of the plurality of first switches. The compensation circuit reduces a voltage drop between a pixel voltage of the pixel and a common voltage of the common electrode when the plurality of first switches are turned off. A capacitor of the compensation circuit is coupled between each scan line and the common electrode. A second switch of the compensation circuit is turned off to float the common electrode before the plurality of first switches are turned off.Type: ApplicationFiled: April 17, 2014Publication date: December 25, 2014Applicant: SiPix Technology, Inc.Inventors: Ju-Lin Chung, Chi-Mao Hung, Wei-Min Sun, Pei-Lin Tien
-
Publication number: 20140368753Abstract: A touch-control display includes a first substrate having a first surface and a second surface opposite to the first surface, a display panel disposed on a side of the first surface of the first substrate, and a touch control panel disposed on a side of the second surface of the first substrate. The display panel includes a first transparent conductive layer disposed on the first surface of the first substrate, and the first transparent conductive layer is in contact with the first substrate. The touch control panel has a second transparent conductive layer disposed on the second surface of the first substrate, and the second transparent conductive layer is in contact with the first substrate.Type: ApplicationFiled: May 28, 2014Publication date: December 18, 2014Applicant: SiPix Technology, Inc.Inventors: Hsiao-Lung Cheng, Chi-Mao Hung, Wei-Min Sun, Hsiao-Yuh Wang
-
Patent number: 8902203Abstract: A liquid crystal display comprises a power supply, a pulse adjustment circuit, and a gate driver. The pulse adjustment circuit is connected between the power supply and the gate driver. The power supply provides power signals. The pulse adjustment circuit adjusts the plurality of pulses of the power signals or selects the appropriate voltage levels for the power signals to have cutting angles or enlarged amplitudes, whereby the influence of the feedthrough voltage on the thin film transistors of the driving circuit would be reduced so that the display quality of the liquid crystal display is improved.Type: GrantFiled: April 15, 2011Date of Patent: December 2, 2014Assignee: AU Optronics Corp.Inventors: Wen Fa Hsu, Chi Mao Hung
-
Publication number: 20140340734Abstract: The present invention provides driving methods for electrophoretic color display devices. The backplane system used for the driving methods is found to be simpler which renders color display devices more cost effective. More specifically, the driving method comprises first driving all pixels towards a color state by modulating only the common electrode, followed by driving all pixels towards their desired color states by maintaining the common electrode grounded and applying different voltages to the pixel electrodes.Type: ApplicationFiled: May 15, 2014Publication date: November 20, 2014Applicant: SiPix Imaging, Inc.Inventors: Craig LIN, Chi-Mao HUNG
-
Publication number: 20140267450Abstract: An electrophoretic display capable of reducing passive matrix coupling effect includes an electrophoretic panel, a plurality of first scan lines, and a plurality of second scan lines. The electrophoretic panel includes a plurality of pixels. Each pixel of the plurality of pixels corresponds to a storage capacitor, and the storage capacitor is coupled to a first scan line and a second scan line. When the pixel is used for displaying a first color, the first scan line receives a first driving voltage, the second scan line is coupled to ground, and other first scan lines and other second scan lines receive a first voltage. A voltage difference between the first driving voltage and the first voltage and a voltage difference between the ground and the first voltage are smaller than a first threshold value corresponding to the first color.Type: ApplicationFiled: February 4, 2014Publication date: September 18, 2014Applicant: SiPix Technology, Inc.Inventors: Yan-Liang Wu, Chi-Mao Hung, Wei-Min Sun, Pei-Lin Tien, Chih-Yuan Hsu, Hsiao-Lung Cheng
-
Publication number: 20140240210Abstract: An electrophoretic display includes a data driving circuit, a plurality of first electrodes, a gate driving circuit, a plurality of second electrodes and an electrophoretic layer. The data driving circuit is used for generating data signals. The first electrodes are used for receiving the data signals transmitted from the data driving circuit. The gate driving circuit is used for generating gate signals. The second electrodes are used for receiving the gate signals transmitted from the gate driving circuit. The electrophoretic layer is disposed between the plurality of first electrodes and the plurality of second electrodes. The gate driving circuit drives the second electrodes with a non-adjacent sequence.Type: ApplicationFiled: January 26, 2014Publication date: August 28, 2014Applicant: SiPix Technology, Inc.Inventors: Yan-Liang Wu, Chi-Mao Hung, Wei-Min Sun, Pei-Lin Tien, Chih-Yuan Hsu, Hsiao-Lung Cheng
-
Publication number: 20140232628Abstract: An electrophoretic display capable of reducing passive matrix coupling effect includes an electrophoretic panel, a coupling capacitor group, a plurality of first scan lines, and a plurality of second scan lines. The electrophoretic panel includes a plurality of pixels. The coupling capacitor group includes a plurality of coupling capacitors. Each pixel of the plurality of pixels is coupled to a storage capacitor and corresponds to a coupling capacitor, the storage capacitor is coupled to a first scan line and a second scan line, the coupling capacitor is coupled to another first scan line and the second scan line, and the coupling capacitor is not coupled to any pixel.Type: ApplicationFiled: January 14, 2014Publication date: August 21, 2014Applicant: SiPix Technology, Inc.Inventors: Yan-Liang Wu, Chi-Mao Hung, Wei-Min Sun, Pei-Lin Tien, Chih-Yuan Hsu, Hsiao-Lung Cheng
-
Publication number: 20140218277Abstract: An electrophoretic display includes an electrophoretic panel, a substrate, and a processor. The electrophoretic panel includes a plurality of charged particles. A conductive layer is deposed on the substrate, and the conductive layer is coupled to the electrophoretic panel. The processor is coupled to the conductive layer for generating a background signal to drive the plurality of charged particles to display a background and a foreground signal to drive the plurality of charged particles to display a foreground. The background signal is longer than a period for the foreground signal displaying the foreground.Type: ApplicationFiled: February 6, 2014Publication date: August 7, 2014Applicant: SiPix Technology, Inc.Inventors: Hsiao-Lung Cheng, Ju-Lin Chung, Wei-Min Sun, Chi-Mao Hung