Patents by Inventor Wen-Chieh Wang
Wen-Chieh 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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Publication number: 20210123233Abstract: A clean energy power supply system includes a container, a thermal insulation wall, a power-generation device, a power-conversion device, and a power-distribution device. The container has an internal space and a rear door. The thermal insulation wall is located in the internal space and adjacent to the rear door. The power-generation device is disposed in an accommodating space of the container and configured to generate a clean power. The power-conversion device is disposed in the accommodating space and configured to convert the clean power into a converted power. The power-distribution device is disposed in the accommodating space and configured to output the converted power to an external load or an external power grid. The thermal insulation wall is configured to block external airflow flowing through the rear door so as to maintain the temperature of the accommodating space.Type: ApplicationFiled: November 27, 2019Publication date: April 29, 2021Inventors: Ting-Kuan LI, Syuan-Yi LIN, Sung-Feng TSAI, Wen-Chieh WANG, Su-Ying LU, Chia-Wen HSU
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Patent number: 10854514Abstract: A memory device with a dielectric layer or an air gap between contacts and a method of making the same are disclosed. The method comprises a series of steps including forming a plurality of conductive lines having trenches therebetween; forming a contact layer in the trench; and forming a dielectric layer interposed in the contact layer and configured to divide the contact layer into two contacts. The method also comprises removing the dielectric layer to form a space and forming a cap layer over the two contacts to form an air gap therein. The method further comprises forming a second air gap between the conductive line and the two contacts.Type: GrantFiled: April 23, 2019Date of Patent: December 1, 2020Assignee: Micron Technology, Inc.Inventors: Tieh-Chiang Wu, Wen-Chieh Wang, Sheng-Wei Yang
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Patent number: 10461200Abstract: A semiconductor structure including a substrate, a light sensing device and a light-guiding structure is provided. The light sensing device is disposed in the substrate. The light-guiding structure is located above the light sensing device. The light-guiding structure has a top surface and a bottom surface opposite to each other, and the bottom surface is closer to the substrate than the top surface. A position of a minimum width of the light-guiding structure is located between the top surface and the bottom surface.Type: GrantFiled: August 3, 2018Date of Patent: October 29, 2019Assignee: United Microelectronics Corp.Inventors: Wen-Chieh Wang, Chuan-Sheng Liu, Bo-Cheng Chen
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Patent number: 10388564Abstract: A memory device with a dielectric layer or an air gap between contacts and a method of making the same are disclosed. The method comprises a series of steps including forming a plurality of conductive lines having trenches therebetween; forming a contact layer in the trench; and forming a dielectric layer interposed in the contact layer and configured to divide the contact layer into two contacts. The method also comprises removing the dielectric layer to form a space and forming a cap layer over the two contacts to form an air gap therein. The method further comprises forming a second air gap between the conductive line and the two contacts.Type: GrantFiled: January 12, 2016Date of Patent: August 20, 2019Assignee: Micron Technology, Inc.Inventors: Tieh-Chiang Wu, Wen-Chieh Wang, Sheng-Wei Yang
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Publication number: 20190252251Abstract: A memory device with a dielectric layer or an air gap between contacts and a method of making the same are disclosed. The method comprises a series of steps including forming a plurality of conductive lines having trenches therebetween; forming a contact layer in the trench; and forming a dielectric layer interposed in the contact layer and configured to divide the contact layer into two contacts. The method also comprises removing the dielectric layer to form a space and forming a cap layer over the two contacts to form an air gap therein. The method further comprises forming a second air gap between the conductive line and the two contacts.Type: ApplicationFiled: April 23, 2019Publication date: August 15, 2019Inventors: Tieh-Chiang Wu, Wen-Chieh Wang, Sheng-Wei Yang
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Publication number: 20190081480Abstract: A clean-energy power supply system is coupled between a power supply and a load. A first power generation device is configured to provide a renewable voltage. A power transformation device transforms the renewable voltage according to a first selection signal to generate a first transformed voltage or a second transformed voltage. A switch selectively transmits the first transformed voltage and the external voltage provided by the power supply to the load or transmits the second transformed voltage to the load. When the external voltage is not less than a predetermined value, the power transformation device generates the first transformed voltage and the switch transmits the first transformed voltage and the external voltage. When the external voltage is less than the predetermined value, the power transformation device stops generating the first transformed voltage and generates the second transformed voltage and the switch transmits the second transformed voltage.Type: ApplicationFiled: May 18, 2018Publication date: March 14, 2019Inventors: Ting-Kuan LI, Syuan-Yi LIN, Sung-Feng TSAI, Wen-Chieh WANG, Yen-Haw CHEN, Su-Ying LU
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Patent number: 10110008Abstract: A micro grid stabilization device coupled to a DC bus and an AC bus in parallel is provided. A DC power generation apparatus provides power to the DC bus. An AC power generation apparatus provides power to the AC bus. A converter is coupled between the DC bus and the AC bus to transform the voltage of the DC bus and provide the transformed voltage to the AC bus. When the voltage of the DC bus or the AC bus is unstable, the micro grid stabilization device provides power to at least one of the DC bus and the AC bus to stabilize the power of the DC bus and the AC bus.Type: GrantFiled: August 11, 2016Date of Patent: October 23, 2018Assignee: CHUNG-HSIN ELECTRIC & MACHINERY MFG. CORPORATIONInventors: Ting-Kuan Li, Yen-Haw Chen, Chun-Der Chang, Wen-Chieh Wang, Sung-Feng Tsai, Jr-Rung Chen, Su-Ying Lu
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Patent number: 10110012Abstract: A system and a control method of a mobile micro-grid are provided. The mobile micro-grid system includes a renewable energy source and a non-renewable energy source which are in a container. The control method includes supplying the renewable energy source as a primary power supply to an external load; and determining whether the electricity of the renewable energy source is sufficient. If the electricity of the renewable energy source is sufficient, then the renewable energy source provides electricity to the external load; if the electricity of the renewable energy source is not sufficient, then the renewable energy source and non-renewable energy source provide electricity to the external load. If an external power source, which is a renewable-energy-type power source, is connected to the mobile micro-grid system, then the renewable energy source and external power source work as the primary power supply.Type: GrantFiled: August 1, 2016Date of Patent: October 23, 2018Assignee: CHUNG-HSIN ELECTRIC & MACHINERY MFG. CORPORATIONInventors: Ting-Kuan Li, Yen-Haw Chen, Chun-Der Chang, Wen-Chieh Wang, Sung-Feng Tsai, Cheng-Shan Lin, Su-Ying Lu
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Patent number: 10027294Abstract: A class-D amplifier includes a loop filter, a pulse-width modulation (PWM) circuit, an output circuit, and a common-mode control circuit. The loop filter receives an input signal of the class-D amplifier to generate a filtered signal. The PWM circuit converts a non-PWM signal into a PWM signal, wherein the non-PWM signal is derived from at least the filtered signal. The output circuit generates an output signal of the class-D amplifier according to the PWM signal. The common-mode control circuit monitors a common-mode level of the output signal to generate a common-mode control signal for PWM common-mode control.Type: GrantFiled: September 7, 2016Date of Patent: July 17, 2018Assignee: MEDIATEK INC.Inventors: Wen-Chieh Wang, Yu-Hsin Lin
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Patent number: 9978795Abstract: A semiconductor structure includes a substrate, a plurality of image sensing devices formed in the substrate, at least a passivation layer formed on the substrate, a plurality of first metal patterns formed on the passivation layer, a plurality of gaps formed between the first metal patterns, an insulating layer lining the gaps, and a plurality of light-guiding structures respectively formed in the gaps. The light-guiding structures respectively include an anchor portion and a body portion, and bottom surfaces of the anchor portions being lower than top surfaces of the first metal patterns.Type: GrantFiled: January 8, 2017Date of Patent: May 22, 2018Assignee: UNITED MICROELECTRONICS CORP.Inventors: Jy-Hwang Lin, Wen-Chieh Wang, Tien-Shang Kuo, Fu-Hsuan Chu, Hua-Wei Peng
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Publication number: 20170366011Abstract: A system and a control method of a mobile micro-grid are provided. The mobile micro-grid system includes a renewable energy source and a non-renewable energy source which are in a container. The control method includes supplying the renewable energy source as a primary power supply to an external load; and determining whether the electricity of the renewable energy source is sufficient. If the electricity of the renewable energy source is sufficient, then the renewable energy source provides electricity to the external load; if the electricity of the renewable energy source is not sufficient, then the renewable energy source and non-renewable energy source provide electricity to the external load. If an external power source, which is a renewable-energy-type power source, is connected to the mobile micro-grid system, then the renewable energy source and external power source work as the primary power supply.Type: ApplicationFiled: August 1, 2016Publication date: December 21, 2017Inventors: Ting-Kuan Li, Yen-Haw Chen, Chun-Der Chang, Wen-Chieh Wang, Sung-Feng Tsai, Cheng-Shan Lin, Su-Ying Lu
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Publication number: 20170338657Abstract: A micro grid stabilization device coupled to a DC bus and an AC grid in parallel is provided. A DC power generation apparatus provides power to the DC bus. An AC power generation apparatus provides power to the AC grid. A converter is coupled between the DC bus and the AC grid to transform the voltage of the DC bus and provide the transformed voltage to the AC grid. When the voltage of the DC bus or the AC grid is unstable, the micro grid stabilization device provides power to at least one of the DC bus and the AC grid to stabilize the power of the DC bus and the AC grid.Type: ApplicationFiled: August 11, 2016Publication date: November 23, 2017Inventors: Ting-Kuan LI, Yen-Haw CHEN, Chun-Der CHANG, Wen-Chieh WANG, Sung-Feng TSAI, Jr-Rung CHEN, Su-Ying LU
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Publication number: 20170200722Abstract: A memory device with a dielectric layer or an air gap between contacts and a method of making the same are disclosed. The method comprises a series of steps including: forming a plurality of conductive lines having trenches therebetween; forming a contact layer in the trench; and forming a dielectric layer interposed in the contact layer and configured to divide the contact layer into two contacts. The method also comprises removing the dielectric layer to form a space and forming a cap layer over the contacts to form an air gap therein. The method further comprises forming a second air gap between the conductive fine and the contact.Type: ApplicationFiled: January 12, 2016Publication date: July 13, 2017Inventors: Tieh-Chiang WU, Wen-Chieh WANG, Sheng-Wei YANG
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Publication number: 20170077882Abstract: A class-D amplifier includes a loop filter, a pulse-width modulation (PWM) circuit, an output circuit, and a common-mode control circuit. The loop filter receives an input signal of the class-D amplifier to generate a filtered signal. The PWM circuit converts a non-PWM signal into a PWM signal, wherein the non-PWM signal is derived from at least the filtered signal. The output circuit generates an output signal of the class-D amplifier according to the PWM signal. The common-mode control circuit monitors a common-mode level of the output signal to generate a common-mode control signal for PWM common-mode control.Type: ApplicationFiled: September 7, 2016Publication date: March 16, 2017Inventors: Wen-Chieh Wang, Yu-Hsin Lin
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Patent number: 9419001Abstract: A method for forming a cell contact. A substrate having first and second protruding structures is prepared. An etch stop layer is deposited over the substrate. A sacrificial layer is deposited on the etch stop layer. The sacrificial layer is recessed. Spacers are formed on the top surface of the sacrificial layer. A portion of the sacrificial layer not covered by the spacers is etched away, thereby forming a recess. A gap filling material layer is deposited into the recess. An upper portion of the gap filling material layer and the spacers are removed to expose the top surface of the sacrificial layer. The sacrificial layer is removed to form contact holes. A punch etching process is performed to remove the etch stop layer from bottoms of the contact holes. The contact holes is filled up with a conductive material layer.Type: GrantFiled: January 15, 2016Date of Patent: August 16, 2016Assignee: INOTERA MEMORIES, INC.Inventors: Sheng-Wei Yang, Tieh-Chiang Wu, Wen-Chieh Wang
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Patent number: 9217611Abstract: An air duct mounted to a fan having an end board includes a top board which defines an opening, through which the fan is extended. Two opposite blocking members extend up from the top board at opposite first sides of the opening. Two opposite limiting members extend up from the top board at opposite second sides of the opening. Each blocking member includes a tab to block a top of the end board of the fan. Each limiting member includes a projection to abut a bottom of the end board of the fan.Type: GrantFiled: December 19, 2012Date of Patent: December 22, 2015Assignee: ShenZhen Treasure City Technology Co., LTD.Inventors: Ching-Jou Chen, Wen-Chieh Wang, Chih-Sheng Hsieh, Pei-Chun Ko, Gin-Zen Ting, Wei-De Wang, Chung-Jen Hung
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Patent number: 9197839Abstract: A display device includes a casing, a display unit received in a front of the casing, and a connector assembly which can be rotated to be front-facing, for plugging in ancillary devices, and the connector assembly can be rotated back to hide the plugs of the ancillary devices and be hidden itself behind a front cover, to preserve the aesthetic appeal of the display device.Type: GrantFiled: May 24, 2013Date of Patent: November 24, 2015Assignee: ShenZhen Goldsun Network Intelligence Technology Co., Ltd.Inventors: Wen-Chin Lin, Ching-Jou Chen, Tzu-Li Liu, Wen-Chieh Wang, Sheng-Tien Chang, Chin-Ming Chen
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Patent number: 9153665Abstract: Provided is a method for fabricating a semiconductor device, which includes the following steps. A substrate having a plurality of pillars is provided, wherein a plurality of trenches are formed around each pillar, and a doped region is disposed at a bottom of each pillar. An insulation layer is formed below each doped region. In addition, a gate and a gate dielectric are formed on the sidewalls of each pillar.Type: GrantFiled: March 11, 2013Date of Patent: October 6, 2015Assignee: NANYA TECHNOLOGY CORPORATIONInventors: Chien-An Yu, Yuan-Sung Chang, Yi-Fong Lin, Chin-Piao Chang, Chih-Huang Wu, Wen-Chieh Wang
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Patent number: 9124267Abstract: A digital transmitter includes: a plurality of adjustable delay lines arranged to delay a plurality of digital input signals by a plurality of delay times to generate a plurality of delayed digital input signals respectively; a plurality of converting devices arranged to convert the plurality of delayed digital input signals into a plurality of converting signals respectively; and a calibration device arranged to adjust a delay time of at least one adjustable delay line in the plurality of adjustable delay lines to make the plurality of converting devices convert the plurality of delayed digital input signals at respective desire time points.Type: GrantFiled: May 20, 2014Date of Patent: September 1, 2015Assignee: MEDIATEK INC.Inventors: Wen-Chieh Wang, Chi-Hsueh Wang, Hsiang-Hui Chang, I-Wen Liu, Khurram Muhammad, Chih-Ming Hung
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Patent number: 8975137Abstract: A process of forming a slit in a substrate is provided. A mask layer is formed on a substrate, wherein the mask layer does not include carbon. An etching process is performed to be substrate by using the mask layer as a mask, so as to form a slit in the substrate. The etching gas includes Cl2, CF4 and CHF3, a molar ratio of CF4 to CHF3 is about 0.5-0.8, and a molar ratio of F to Cl is about 0.4-0.8, for example. Further, the step of performing the etching process simultaneously removes the mask layer.Type: GrantFiled: July 11, 2011Date of Patent: March 10, 2015Assignee: Nanya Technology CorporationInventors: Wen-Chieh Wang, Yi-Nan Chen, Hsien-Wen Liu