Patents by Inventor Chih-Peng Chang
Chih-Peng 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: 20240106425Abstract: A delay-locked loop (DLL) circuit includes a low pass filter coupled to a phase detector, and a digitally controlled delay line (DCDL) coupled to the low pass filter. The DCDL includes an input terminal, an output terminal coupled to an input terminal of the phase detector, and stages that propagate a signal along a first path from the input terminal to a selectable return stage and along a second path from the return stage to the output terminal. Each stage includes first and second inverters that selectively propagate the signal along the first and second paths, a third inverter that selectively propagates the signal from the first path to the second path, and either fourth and fifth inverters that selectively propagate the signal along the first and second paths, or a sixth inverter that selectively propagates the signal from the first path to the second path.Type: ApplicationFiled: December 1, 2023Publication date: March 28, 2024Inventors: Chung-Peng HSIEH, Chih-Chiang CHANG, Yung-Chow PENG
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Publication number: 20240096927Abstract: The present invention provides a silicon capacitor structure, including a substrate, an interlayer dielectric (ILD) layer on the substrate, a capacitor recess extending from a surface of the ILD layer into the substrate, a capacitor in the capacitor recess, wherein the capacitor includes a bottom electrode on a surface of the capacitor recess, a capacitive dielectric layer on a surface of the bottom electrode, and a top electrode on a surface of the capacitive dielectric layer and filling up the capacitor recess.Type: ApplicationFiled: March 2, 2023Publication date: March 21, 2024Applicant: Powerchip Semiconductor Manufacturing CorporationInventors: Li-Peng Chang, Chih-Ling Hung, San-Jung Chang
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Publication number: 20240079392Abstract: A semiconductor structure includes a first tier, a redistribution circuit structure, and a second tier. The first tier includes at least one first die. The redistribution circuit structure is disposed on the first tier and electrically coupled to the at least one first die, where the redistribution circuit structure has a multi-layer structure and includes a vertical connection structure continuously extending from a first side of the redistribution circuit structure to a second side of the redistribution circuit structure, and the first side is opposite to the second side along a stacking direction of the first tier and the redistribution circuit structure. The second tier includes a plurality of second dies, and is disposed on and electrically coupled to the redistribution circuit structure.Type: ApplicationFiled: January 10, 2023Publication date: March 7, 2024Applicant: Taiwan Semiconductor Manufacturing Company, Ltd.Inventors: Chuei-Tang WANG, Tso-Jung Chang, Jeng-Shien Hsieh, Shih-Ping Lin, Chih-Peng Lin, Chieh-Yen Chen, Chen-Hua Yu
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Publication number: 20220374223Abstract: A server and an updating method for a MAC address are provided in the present application. The server includes: a network chipset having a preset first MAC address; a first non-volatile memory storing the first MAC address of the network chipset; a second non-volatile memory storing a first BIOS code data; a central processing unit coupled to the network chipset and the second non-volatile memory; and a baseboard management controller coupled to the central processing unit, the first non-volatile memory, and the second non-volatile memory.Type: ApplicationFiled: May 12, 2022Publication date: November 24, 2022Applicant: MITAC COMPUTING TECHNOLOGY CORPORATIONInventors: Jing-Chin HUANG, Chih-Peng CHANG
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Publication number: 20220147340Abstract: A method of updating firmware of a BMC of a server, the server includes the BMC and a PLD, the method includes: in response to receipt of a firmware update instruction to update the firmware of the BMC, the BMC storing in the PLD a firmware configuration file that contains current settings; the BMC updating the firmware after storing the firmware configuration file in the PLD; the BMC being reset after updating the firmware; and the BMC executing an initializing process that includes sub-steps of reading the firmware configuration file from the PLD and applying the current settings contained in the firmware configuration file to the firmware.Type: ApplicationFiled: November 3, 2021Publication date: May 12, 2022Applicant: Mitac Computing Technology CorporationInventor: Chih-Peng CHANG
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Patent number: 11314318Abstract: A server system and a power-saving method thereof are provided. The power-saving method includes: enabling, by a programmable logic unit in a working mode, a power-on control unit to operate according to a working power; determining, by the power-on control unit in the working mode, whether a power-saving power-off signal is received, and when the power-saving power-off signal is received, controlling, by the power-on control unit, the server system to be powered off and switched from the working mode to a soft-off mode; operating, by the programmable logic unit, according to standby power to enable, in the soft-off mode, the power-on control unit to operate according to the standby power; and turning off, by a baseboard management control unit, the programmable logic unit according to the power-saving power-off signal when the power-on control unit operates according to the standby power, to turn off the power-on control unit.Type: GrantFiled: September 17, 2019Date of Patent: April 26, 2022Assignee: MITAC COMPUTING TECHNOLOGY CORPORATIONInventors: Cheng-Chun Chen, Jing-Chin Huang, Chih-Peng Chang
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Patent number: 10795498Abstract: Disclosed is a touch control device having a substrate, a first touch-sensing electrode layer, a second touch-sensing electrode layer, a first insulating layer, a second insulating layer, and a circuit layer. The substrate includes a first region and a second region. The first and second touch-sensing electrode layers are located in the first region. The first insulating layer is located between the first and second touch-sensing electrode layers. The second insulating layer is disposed on the first insulating layer and the second touch-sensing electrode layer. The first region and a portion of the second region are covered by the second insulating layer. The circuit layer is located in the second region and has a first portion and a second portion. The first portion is in direct contact with the substrate. The second portion partially covers the first or the second touch-sensing electrode layer to form a contact area.Type: GrantFiled: August 15, 2019Date of Patent: October 6, 2020Assignees: Interface Technology (ChengDu) Co., Ltd., Interface Optoelectronics (ShenZhen) Co., Ltd., General Interface Solution LimitedInventors: Chih-Peng Chang, Ping-Yang Chen
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Patent number: 10613694Abstract: A touch panel defines a touch area and a reduced border area surrounding the touch area. The touch panel includes a substrate, a first conductive layer on the substrate, an insulating layer on the substrate and covering the first conductive layer, and a second conductive layer on the insulating layer. The second conductive layer includes first electrodes and strings of second electrodes in the touch area, each string of second electrodes extending in a first direction. The first conductive layer is conductive but almost opaque. The first conductive layer includes a decorative portion in the border area and first bridge portions in the touch area. Each first bridge portion is electrically coupled between adjacent two first electrodes in a second direction that intersects with the first direction. The decorative portion is configured to release static electricity and shield the border area.Type: GrantFiled: June 28, 2018Date of Patent: April 7, 2020Assignees: Interface Technology (ChengDu) Co., Ltd., INTERFACE OPTOELECTRONICS (SHENZHEN) CO., LTD., GENERAL INTERFACE SOLUTIONS LIMITEDInventors: Han-Lung Tsai, Chih-Peng Chang, Ping-Yang Chen
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Publication number: 20200097063Abstract: A server system and a power-saving method thereof are provided. The power-saving method includes: enabling, by a programmable logic unit in a working mode, a power-on control unit to operate according to a working power; determining, by the power-on control unit in the working mode, whether a power-saving power-off signal is received, and when the power-saving power-off signal is received, controlling, by the power-on control unit, the server system to be powered off and switched from the working mode to a soft-off mode; operating, by the programmable logic unit, according to standby power to enable, in the soft-off mode, the power-on control unit to operate according to the standby power; and turning off, by a baseboard management control unit, the programmable logic unit according to the power-saving power-off signal when the power-on control unit operates according to the standby power, to turn off the power-on control unit.Type: ApplicationFiled: September 17, 2019Publication date: March 26, 2020Applicant: MITAC COMPUTING TECHNOLOGY CORPORATIONInventors: Cheng-Chun CHEN, Jing-Cin HUANG, Chih-Peng CHANG
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Publication number: 20200073493Abstract: A touch display device of increased flexibility and reduced thickness includes a touch panel. The touch panel includes a substrate and a touch sensing layer formed on the substrate. The substrate is made of polyvinylidene fluoride. The present disclosure also provides a method for making such touch display device. The substrate of the touch display device of the present disclosure is made of polyvinylidene fluoride, which not only increases the flexibility of the touch display device, but also reduces the thickness of the touch display device.Type: ApplicationFiled: December 30, 2018Publication date: March 5, 2020Inventors: HSIAO-CHIEN CHEN, CHIH-PENG CHANG
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Patent number: 10437370Abstract: A touch panel embedded in an electronic device defines a display region and a non-display region. The touch panel includes a cover and a touch sensing layer bonded on the cover. The touch sensing layer includes a substrate, a touch sensor disposed on the substrate in the display region, a peripheral circuit structure disposed on the substrate in the non-display region, and a decoration layer. The peripheral circuit structure is electrically connected with the touch sensor for receiving signals from the touch sensor. The decoration layer is disposed in the touch sensing layer.Type: GrantFiled: March 14, 2018Date of Patent: October 8, 2019Assignees: Interface Technology (ChengDu) Co., Ltd., INTERFACE OPTOELECTRONICS (SHENZHEN) CO., LTD., GENERAL INTERFACE SOLUTION LIMITEDInventors: Hsiao-Chien Chen, Chun-Lin Tseng, Chih-Peng Chang, Chun-Ming Chen, Ping-Yang Chen
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Publication number: 20190235658Abstract: A touch panel defines a touch area and a reduced border area surrounding the touch area. The touch panel includes a substrate, a first conductive layer on the substrate, an insulating layer on the substrate and covering the first conductive layer, and a second conductive layer on the insulating layer. The second conductive layer includes first electrodes and strings of second electrodes in the touch area, each string of second electrodes extending in a first direction. The first conductive layer is conductive but almost opaque. The first conductive layer includes a decorative portion in the border area and first bridge portions in the touch area. Each first bridge portion is electrically coupled between adjacent two first electrodes in a second direction that intersects with the first direction. The decorative portion is configured to release static electricity and shield the border area.Type: ApplicationFiled: June 28, 2018Publication date: August 1, 2019Inventors: HAN-LUNG TSAI, CHIH-PENG CHANG, PING-YANG CHEN
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Publication number: 20190129545Abstract: A touch panel embedded in an electronic device defines a display region and a non-display region. The touch panel includes a cover and a touch sensing layer bonded on the cover. The touch sensing layer includes a substrate, a touch sensor disposed on the substrate in the display region, a peripheral circuit structure disposed on the substrate in the non-display region, and a decoration layer. The peripheral circuit structure is electrically connected with the touch sensor for receiving signals from the touch sensor. The decoration layer is disposed in the touch sensing layer.Type: ApplicationFiled: March 14, 2018Publication date: May 2, 2019Inventors: HSIAO-CHIEN CHEN, CHUN-LIN TSENG, CHIH-PENG CHANG, CHUN-MING CHEN, PING-YANG CHEN
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Publication number: 20190087039Abstract: A touch display device is provided and includes a substrate, a light absorbing layer, a first metal mesh layer, an insulating layer, and a second metal mesh layer. The light absorbing layer is disposed on the substrate. The first metal mesh layer is disposed on the light absorbing layer. The insulating layer is disposed on the substrate and covers the first metal mesh layer and the light absorbing layer. The second metal mesh layer is located at a side of the insulating layer distal to the first metal mesh layer.Type: ApplicationFiled: December 26, 2017Publication date: March 21, 2019Inventors: Chih-Peng CHANG, Chun-Ming CHEN, Tzu-Hsiang LIN
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Publication number: 20180203532Abstract: A flexible touch display device includes a flexible display unit and a touch polarizing element. The touch polarizing element includes a polarizing film, a first flexible light-transmissive film, a second flexible light-transmissive film, a first touch sensing layer and a flexible circuit board. The first flexible light-transmissive film and the second flexible light-transmissive film are formed on two opposite surfaces of the polarizing film, respectively. The flexible display unit is connected to the second flexible light-transmissive film. The first touch sensing layer is directly formed on the first flexible light-transmissive film. The flexible circuit board is disposed on the first flexible light-transmissive film, and electrically connected to the first touch sensing layer.Type: ApplicationFiled: April 11, 2017Publication date: July 19, 2018Inventors: Chih-Peng CHANG, Chun-Lin TSENG, Ping-Yang CHEN
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Patent number: 9535521Abstract: A touch panel includes a substrate, plural conducting wires, an insulating layer, and a ground layer. The substrate includes an active region and a peripheral region surrounding the active region. The conducting wires are disposed in the peripheral region and extend along a first direction. The insulating layer is disposed on the conductive wires. The ground layer is disposed at an edge of the peripheral region and at least partially on the insulating layer, and the ground layer is at least partially in contact with the substrate.Type: GrantFiled: November 28, 2014Date of Patent: January 3, 2017Assignees: INTERFACE OPTOELECTRONICS CORPORATION, GENERAL INTERFACE SOLUTION LIMITEDInventors: Chih-Peng Chang, Te-Jen Tseng, Ying-Chieh Chiang, Tzu-Hsiang Lin, Yen-Heng Huang
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Publication number: 20160147324Abstract: A touch panel includes a substrate, plural conducting wires, an insulating layer, and a ground layer. The substrate includes an active region and a peripheral region surrounding the active region. The conducting wires are disposed in the peripheral region and extend along a first direction. The insulating layer is disposed on the conductive wires. The ground layer is disposed at an edge of the peripheral region and at least partially on the insulating layer, and the ground layer is at least partially in contact with the substrate.Type: ApplicationFiled: November 28, 2014Publication date: May 26, 2016Inventors: Chih-Peng CHANG, Te-Jen TSENG, Ying-Chieh CHIANG, Tzu-Hsiang LIN, Yen-Heng HUANG
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Publication number: 20140321110Abstract: A light tube device includes a light bar section and a heat dissipation structure. The light bar section and a heat dissipation structure is a single-piece integrally formed structure, and collectively form a hollow tube. An insulating layer, a copper foil layer and a solder mask layer are sequentially formed on the light bar section, and the solder mask layer is patterned to expose the copper foil layer so as to serve as welding zones. A plurality of light emitting units are located on the welding zones respectively and electrically connected to the copper foil layer to form a light bar.Type: ApplicationFiled: October 8, 2013Publication date: October 30, 2014Applicant: Lextar Electronics CorporationInventors: Kuo-Ching CHEN, Chih-Peng CHANG
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Patent number: 8724621Abstract: The invention provides an electronic apparatus. In one embodiment, the electronic apparatus comprises a plurality of ports, an Ethernet circuit, a port switch, and a flow control scheduler. The Ethernet circuit generates a plurality of transmitted packets according to transmitted data sent from the host, and derives received data sent to a host from a plurality of received packets. The flow control scheduler receives a plurality of transmitting requests corresponding to the ports from the host, arbitrates between the transmitting requests corresponding to the ports to select a transmitting port from the ports, receives a plurality of receiving requests corresponding to the ports from the host, and arbitrates between the plurality of receiving requests corresponding to the ports to select a receiving port from the ports. The port switch sends the transmitted packets to the transmitting port, and receives the received packets from the receiving port.Type: GrantFiled: September 14, 2011Date of Patent: May 13, 2014Assignee: Mediatek Inc.Inventors: Chu-Ming Lin, Chih-Peng Chang
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Publication number: 20120236852Abstract: The invention provides an electronic apparatus. In one embodiment, the electronic apparatus comprises a plurality of ports, an Ethernet circuit, a port switch, and a flow control scheduler. The Ethernet circuit generates a plurality of transmitted packets according to transmitted data sent from the host, and derives received data sent to a host from a plurality of received packets. The flow control scheduler receives a plurality of transmitting requests corresponding to the ports from the host, arbitrates between the transmitting requests corresponding to the ports to select a transmitting port from the ports, receives a plurality of receiving requests corresponding to the ports from the host, and arbitrates between the plurality of receiving requests corresponding to the ports to select a receiving port from the ports. The port switch sends the transmitted packets to the transmitting port, and receives the received packets from the receiving port.Type: ApplicationFiled: September 14, 2011Publication date: September 20, 2012Applicant: MEDIATEK INC.Inventors: Chu-Ming Lin, Chih-Peng Chang