Patents by Inventor Jen-Chieh Chang
Jen-Chieh Chang 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: 20170206393Abstract: An intelligent touch sensing device, including: a first electrode group having a first plurality of first electrodes; a second electrode group having a second plurality of second electrodes, each of the second electrodes being coupled with at least one active switch and the second plurality being larger than the first plurality; and a touch detection unit coupled with the first electrode group and with the second electrode group for performing a first touch detection procedure or performing the first detection procedure and then a second touch detection procedure as optionally required by an application program, the first touch detection procedure being acting on the first electrode group, and the second touch detection procedure being acting on at least one region of the second electrode group, wherein the at least one region is determined according to a detection result of the first touch detection procedure.Type: ApplicationFiled: January 4, 2017Publication date: July 20, 2017Inventors: Chung-Lin CHIA, Han-Chang CHEN, Jen-Chieh CHANG, Yen-Hung TU
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Patent number: 9690421Abstract: A touch system using a processor to configure a touch detection architecture and including a sensor unit, a connection unit, a touch scan unit, a touch detection unit, and a processor unit. The sensor unit has a plurality of sensors. The connection unit determines a sensors-joined configuration of the plurality of sensors according to at least one connection control signal. The touch scan unit coupling at least one touch signal to the connection unit according to at least one scan configuration signal. The touch detection unit outputting the touch signal and deriving touch information from a parameter of the touch signal according to at least one operation mode configuration signal. The processor unit outputting the at least one connection control signal, the scan configuration signal, and the operation mode configuration signal according to a content of a control table, and receiving the touch information.Type: GrantFiled: October 17, 2015Date of Patent: June 27, 2017Assignee: RICH IP TECHNOLOGY INC.Inventors: Jen-Chieh Chang, Chung-Lin Chia, Han-Chang Chen, Yen-Hung Tu, Chih-Wen Wu
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Publication number: 20160320627Abstract: A lamp providing different light patterns to different view angles, including: a plurality of light sources; and a hybrid optical diffraction element, including at least two layers of optical diffraction elements to provide a hybrid diffraction effect on incident light beams emitted from the plurality of light sources, so as to form an amplified light pattern and enable a viewer to see different forms of the amplified light pattern at different view angles.Type: ApplicationFiled: April 29, 2016Publication date: November 3, 2016Inventors: Han-Chang CHEN, Rong-Moo HONG, Jen-Chieh CHANG, Yen-Hung TU, Chung-Lin CHIA
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Patent number: 9477365Abstract: A touch display device having auxiliary capacitor, including: at least one touch operation area, each having two opposing substrates, between which are a first electrode, a first conductive line coupled with the first electrode, a second electrode, a second conductive line coupled with the second electrode, and a display layer neighboring both the first electrode and the second electrode; a display driver unit for outputting at least one display driving voltage; a touch detection unit having at least one touch signal sensing port; at least one auxiliary capacitor, each coupled with one of the at least one touch operation area; and at least one switch element; wherein, each of the at least one display driving voltage is coupled to one of the at least one touch operation area via one of the at least one switch element.Type: GrantFiled: April 16, 2015Date of Patent: October 25, 2016Assignee: RICH IP TECHNOLOGY INC.Inventors: Han-Chang Chen, Yen-Hung Tu, Chung-Lin Chia, Chih-Wen Wu, Jen-Chieh Chang
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Publication number: 20160239145Abstract: A touch button system having externally programmable display, including: at least one touch display button, each having a touch display area, a button operation data output interface, and a display data input interface; and a control unit, including at least one touch display interface, at least one input interface, and at least one output interface, wherein, the at least one touch display interface is coupled with the display data input interface and the button operation data output interface of the at least one touch display button for transmitting display data and deriving button operation data; the at least one input interface is used for receiving image data from an external device, and the control unit generates the display data according to the image data; and the at least one output interface is used for outputting at least one operation code.Type: ApplicationFiled: December 17, 2015Publication date: August 18, 2016Inventors: Jen-Chieh CHANG, Chung-Lin CHIA, Han-Chang CHEN, Yen-Hung TU, Chih-Wen WU
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Publication number: 20160211842Abstract: A hybrid touch button, including: a touch display unit having a touch display area; a mechanical switch having a plurality of conductive contacts; and a control unit, having a power interface for coupling with a power source, a first interface coupled with the touch display area, a second interface coupled with the plurality of conductive contacts, and an output interface, wherein the control unit derives first input information from the first interface and second input information from the second interface, and determines an output configuration of the output interface according to the first input information and the second input information.Type: ApplicationFiled: December 1, 2015Publication date: July 21, 2016Inventors: Jen-Chieh CHANG, Chung-Lin CHIA, Han-Chang CHEN, Yen-Hung TU, Chih-Wen WU
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Publication number: 20160170554Abstract: A touch system using processor to configure touch detection architecture, including: a sensor unit having a plurality of sensors; a connection unit for determining a sensors joined configuration of the plurality of sensors according to at least one connection control signal; a touch scan unit for coupling at least one touch signal to the connection unit according to at least one scan configuration signal; a touch detection unit for outputting the touch signal and deriving touch information from a parameter of the touch signal according to at least one operation mode configuration signal; and a processor unit for outputting the at least one connection control signal, the scan configuration signal, and the operation mode configuration signal according to a content of a control table, and receiving the touch information.Type: ApplicationFiled: October 17, 2015Publication date: June 16, 2016Inventors: Jen-Chieh CHANG, Chung-Lin CHIA, Han-Chang CHEN, Yen-Hung TU, Chih-Wen WU
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Patent number: 9323406Abstract: An electronic paper touch device including: a first substrate; a first electrode layer located on the first substrate; an electronic paper display layer located on the first electrode layer; a transparent electrode layer located on the electronic paper display layer and having plural transparent electrodes; a second substrate located on the transparent electrode layer; and a control unit having a touch mode and an electronic paper mode, wherein, when the control unit is in the touch mode, the control unit will couple a touch detection unit with the first electrode layer and with the transparent electrode layer to perform a capacitive touch detection procedure.Type: GrantFiled: October 17, 2013Date of Patent: April 26, 2016Assignee: Rich IP Technology Inc.Inventors: Han-Chang Chen, Yen-Hung Tu, Chung-Lin Chia, Jen-Chieh Chang, Chih-Wen Wu
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Publication number: 20160084486Abstract: A lighting device controllable by hover operation, including: a shell body; a light source unit; at least one conductive sensor; and a circuit board, which includes a capacitive touch detection circuit, a light source driver circuit, and a control unit; wherein, when a finger or a palm of an operator approaches at least one active region of the shell body during a control operation, each of the at least one active region being opposing one of the at least one conductive sensor, the capacitive touch detection circuit will detect a capacitance change signal via the at least one conductive sensor and generate an operation signal accordingly, and the control unit will control the light source driver circuit in response to the operation signal to determine a light emitting status of the light source unit.Type: ApplicationFiled: June 6, 2015Publication date: March 24, 2016Inventors: Han-Chang CHEN, Yen-Hung TU, Jen-Chieh CHANG, Chung-Lin CHIA, Chih-Wen WU
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Publication number: 20160034096Abstract: A flat self-luminous touch switch, including: a self-luminous touch unit, including at least one flat self-luminous pixel and a pixel driving interface; and a switch control unit, including a first driving interface and a second driving interface, wherein, the first driving interface is coupled with the pixel driving interface to provide at least one pixel driving signal and transmit a touch detection signal; and the second driving interface provides an analog switch channel and/or at least one digital output signal according to a detection result of the touch detection signal.Type: ApplicationFiled: July 30, 2015Publication date: February 4, 2016Inventors: Han-Chang CHEN, Yen-Hung TU, Chung-Lin CHIA, Chih-Wen WU, Jen-Chieh CHANG
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Patent number: 9250755Abstract: A touch display having advanced-fringe-field-switching liquid crystal structure, including a pixel cell and a multiplexer circuit, wherein the multiplexer circuit is used to couple the pixel cell with a source driver unit to provide a fringe-field-switching display function during a display period, and couple the pixel cell with a touch detection unit to provide a touch detection function during a touch detection period.Type: GrantFiled: September 6, 2013Date of Patent: February 2, 2016Assignee: Rich IP Technology Inc.Inventors: Han-Chang Chen, Yen-Hung Tu, Chung-Lin Chia, Jen-Chieh Chang, Chih-Wen Wu
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Publication number: 20160026331Abstract: A touch display driving circuit capable of responding to CPU commands, including: a first interface receiving touch configuration data from a CPU and outputting touch report data to the CPU; a second interface coupling with a touch display module; a control unit executing a touch detection procedure on the touch display module via the second interface to derive touch detected data, and processing the touch detected data to generate the touch report data, wherein the touch detection procedure is determined according to the touch configuration data determining a connection configuration of at least one multiplexer and a weighting configuration of at least one touch point, and the content of the touch report data include a sensed pressure profile, a finger print, a palm print, an ear image, characteristics of a finger print, characteristics of a palm print, or characteristics of an ear image.Type: ApplicationFiled: October 5, 2015Publication date: January 28, 2016Inventors: Han-Chang CHEN, Chung-Lin CHIA, Chih-Wen WU, Yen-Hung TU, Jen-Chieh CHANG
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Publication number: 20150370400Abstract: A light guide device having touch function, including: a reflective plate having one or more conductive areas; a light source unit having a light output side; a light guide plate, located above the reflective plate and having a light input side and a light output face, wherein the light input side is adjacent to the light output side of the light source unit; and a control circuit having a touch detection unit, wherein, the touch detection unit is coupled with the one or more conductive areas of the reflective plate for detecting a touch event on the light output face.Type: ApplicationFiled: May 28, 2015Publication date: December 24, 2015Inventors: Han-Chang CHEN, Yen-Hung TU, Chung-Lin CHIA, Chih-Wen WU, Jen-Chieh CHANG
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Patent number: 9176613Abstract: A touch display driving circuit capable of responding to CPU commands, including: a first interface for receiving pixel data and touch configuration data; a second interface for coupling with a touch display; and a control unit, which drives the touch display via the second interface to show an image according to the pixel data, and executes a touch detection procedure on the touch display via the second interface, wherein the touch detection procedure is determined according to the touch configuration data.Type: GrantFiled: March 14, 2013Date of Patent: November 3, 2015Assignee: Rich IP Technology Inc.Inventors: Han-Chang Chen, Chung-Lin Chia, Chih-Wen Wu, Yen-Hung Tu, Jen-Chieh Chang
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Publication number: 20150301654Abstract: A touch display device having auxiliary capacitor, including: at least one touch operation area, each having two opposing substrates, between which are a first electrode, a first conductive line coupled with the first electrode, a second electrode, a second conductive line coupled with the second electrode, and a display layer neighboring both the first electrode and the second electrode; a display driver unit for outputting at least one display driving voltage; a touch detection unit having at least one touch signal sensing port; at least one auxiliary capacitor, each coupled with one of the at least one touch operation area; and at least one switch element; wherein, each of the at least one display driving voltage is coupled to one of the at least one touch operation area via one of the at least one switch element.Type: ApplicationFiled: April 16, 2015Publication date: October 22, 2015Inventors: Han-Chang CHEN, Yen-Hung TU, Chung-Lin CHIA, Chih-Wen WU, Jen-Chieh CHANG
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Patent number: 9065349Abstract: A control method for bidirectional DC-DC converter includes: operating a bidirectional DC-DC converter having a low voltage side including a plurality of low-voltage-side switches, a voltage clamping switch and a voltage clamping capacitor, and a high voltage side including a plurality of high-voltage-side switches in a boost mode; switching the voltage clamping switch with a predetermined duty cycle prior to switching on all of the low-voltage-side switches; adjusting the predetermined duty cycle of the voltage clamping switch to be smaller than a turn-off interval of the low-voltage-side switches to reduce the conduction loss of the low-voltage-side switches and the voltage clamping switch; alternatively, operating the DC-DC converter in a buck mode; and adjusting and extending the duty cycle of the low-voltage-side switches to overlap a turn-off time of the high-voltage-side switches to reduce the conduction loss of the low-voltage-side switches.Type: GrantFiled: August 21, 2012Date of Patent: June 23, 2015Assignee: Ablerex Electronics Co., Ltd.Inventors: Wen-Jung Chiang, Jen-Chieh Chang, Hung-Tien Chen, Yu-Ting Kuo
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Publication number: 20150170592Abstract: A display panel includes a scan driving circuit. The scan driving circuit includes multiple shift-registers coupled in serial. At least one of the shift-registers includes a control circuit, a pumping circuit and an output circuit. The control circuit controls a voltage at a first control node according to a start-up signal and controls a voltage at a second control node according to a reset signal. The pumping circuit is coupled to the control circuit for pumping up the voltage at the first control node. The output circuit is coupled to the pumping circuit and the control circuit for outputting multiple gate driving signals at multiple output nodes in response to the voltage at the first control node. One of the output gate driving signals is provided to a following stage of shift-register as the start-up signal thereof.Type: ApplicationFiled: November 12, 2014Publication date: June 18, 2015Inventors: Jia-Hao BAI, Jen-Chieh CHANG
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Publication number: 20150153859Abstract: A TFT display touch device, including: a TFT array, including: a plurality of thin film transistors, each having a source, a gate, and a drain, the drain being coupled with a capacitor; a plurality of gate connecting lines; and a plurality of source connecting lines; and a control unit, having a gate control unit and a source control unit, wherein, at least one of the gate control unit and the source control unit provides a hybrid voltage generation function, and at least one of the gate control unit and the source control unit provides a touch detection function, wherein the hybrid voltage generation function is used to provide a hybrid voltage source having a DC voltage component and an AC voltage component.Type: ApplicationFiled: November 13, 2014Publication date: June 4, 2015Inventors: Han-Chang CHEN, Yen-Hung TU, Chung-Lin CHIA, Jen-Chieh CHANG, Chih-Wen WU
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Publication number: 20150091855Abstract: An OLED touch device including at least one OLED and a controller, each of the at least one OLED having: a first substrate; a first electrode located on the first substrate; an organic material structure layer located on the first electrode; a second electrode located on the organic material structure layer; and a second substrate located on the second electrode; wherein, the control unit is used to apply a combined voltage source across the first electrode and the second electrode of at least one of the at least one OLED to provide a light emitting function and/or a touch detection function, wherein the combined voltage source has a DC voltage component and an AC voltage component.Type: ApplicationFiled: August 28, 2014Publication date: April 2, 2015Inventors: Han-Chang CHEN, Yen-Hung TU, Chung-Lin CHIA, Jen-Chieh CHANG, Chih-Wen WU
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Patent number: 8957846Abstract: A touch display having in-plane-switching liquid crystal structure, comprising a pixel cell and a multiplexer circuit, wherein the multiplexer circuit is used to couple a source driver unit with the pixel cell to provide an in-plane switching display function during a display period, and couple a touch control unit with the pixel cell to provide a touch detection function during a touch detection period.Type: GrantFiled: September 6, 2013Date of Patent: February 17, 2015Assignee: Rich IP Technology Inc.Inventors: Han-Chang Chen, Yen-Hung Tu, Chung-Lin Chia, Jen-Chieh Chang, Chih-Wen Wu