Patents by Inventor Li-Wei Chu
Li-Wei Chu 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: 20190148355Abstract: The present disclosure describes exemplary configurations and arrangements for various intelligent diodes. The intelligent diodes of the present disclosure can be implemented as part of electrostatic discharge protection circuitry to protect other electronic circuitry from the flow of electricity caused by electrostatic discharge events. The electrostatic discharge protection circuitry dissipates one or more unwanted transient signals which result from the electrostatic discharge event. In some situations, some carrier electrons and or carrier holes can flow from intelligent diodes of the present disclosure into a semiconductor substrate. The exemplary configurations and arrangements described herein include various regions designed collect these carrier electrons and/or carrier holes to reduce the likelihood these carrier electrons and/or carrier holes cause latch-up of the other electronic circuitry.Type: ApplicationFiled: March 28, 2018Publication date: May 16, 2019Applicant: Taiwan Semiconductor Manufactruring Co., Ltd.Inventors: Yi-Feng CHANG, Jam-Wem Lee, Li-Wei Chu, Po-Lin Peng
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Patent number: 10268606Abstract: A data storage device access method, a device and a system. The method includes receiving a mode switch control command by a first bus through a first interface of the control device; switching a second interface of the control device to a predetermined mode based on the received mode switch control command. In cases where the second interface is switched to the first mode in accordance with the mode switch control command, the other device connected to a second bus corresponding to the second interface, accesses the data storage device under the control of the control device via the second interface through the second bus. In cases where the second interface is switched to the second mode in accordance with the mode switch control command, the other device directly accesses the data storage device through the second bus without the control of the control device.Type: GrantFiled: July 12, 2016Date of Patent: April 23, 2019Assignee: Shenzhen China Star Optoelectronics Technology Co., Ltd.Inventors: Jianjun Xie, Li-wei Chu, Yuhong Fu, Jian Gao
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Publication number: 20190103395Abstract: An integrated circuit device with ESD protection includes a substrate with a well having a first conductivity type formed on the substrate. A drain region has at least one drain diffusion with a second conductivity type implanted in the well and at least one drain conductive insertion on the well. The drain conductive insertion is electrically connected to the drain diffusion and an I/O pad. A source region includes a plurality of source diffusions having the second conductivity type implanted in the well, and the source diffusions are electrically connected to a voltage terminal.Type: ApplicationFiled: September 29, 2017Publication date: April 4, 2019Inventors: Po-Lin Peng, Li-Wei Chu, Yi-Feng Chang, Jam-Wem Lee
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Patent number: 10210828Abstract: The present invention provides a temperature sensing circuit, which comprises a switching circuit, a charging circuit, and a judging circuit. The switching circuit receives a supply voltage for generating a switching signal. The charging circuit is coupled to the switching circuit and receives the supply voltage. The switching signal controls the charging circuit for generating a voltage signal according to the supply voltage. The judging circuit is coupled to the charging circuit for generating a judging signal according to the level of the voltage signal. The levels of the switching signal and the voltage signal are related to a temperature state; and the judging signal represents the temperature state. The temperature sensing circuit can be applied to the driving circuit of a display panel for detecting the temperature state. Hence, the level of the driving signal of the driving circuit can be adjusted for improving the image quality.Type: GrantFiled: July 26, 2013Date of Patent: February 19, 2019Assignees: Giantplus Technology Co., Ltd., National Chiao Tung UniversityInventors: Po-Tsun Liu, Li-Wei Chu, Guang-Ting Zheng, Yi-Chun Kuo, Chun-Yen Chen, Ku-Huang Lai
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Publication number: 20180374441Abstract: Provided is an array substrate, including a sequence controller and gate drivers, and each of the gate drivers includes a first adjustable resistor and a gate drive unit, and one end of the first adjustable resistor is coupled to a first voltage, and the other end of the first adjustable resistor is coupled to a first input end of the gate drive unit, and the sequence controller is coupled to a control end of the first adjustable resistor to adjust a resistance value of the first adjustable resistor to make voltage difference values among the gate drive units in a preset range. In the gate driver, a first adjustable resistor is added between the first voltage and the gate drive unit. By controlling the resistance value of the first adjustable resistor, the voltages of the adjacent gate drivers are the same to prevent the appearance of the horizontal boundary.Type: ApplicationFiled: December 22, 2016Publication date: December 27, 2018Applicant: Shenzhen China Star Optoelectronics Technology Co., Ltd.Inventors: Ping-sheng KUO, Yu-yeh CHEN, Li-wei CHU
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Patent number: 10152930Abstract: A driving method for a display panel and a driving device are disclosed. The method includes: detecting that if a current data frame satisfies a preset switching condition of switching a first polarity mode to a second polarity mode; if the current data frame satisfies a preset switching condition, obtaining a polarity input signal corresponding to a previous data frame; obtaining a data compensation value corresponding to each sub-pixel according to the polarity input signal and a position of each sub-pixel of the current data frame; under the second polarity mode, after superimposing a value of each sub-pixel of the current data frame and the data compensation value corresponding to each sub-pixel, outputting to a display panel. Accordingly, the present invention can avoid an instantaneous flicker when switching from the first polarity mode to the second polarity mode.Type: GrantFiled: May 17, 2016Date of Patent: December 11, 2018Assignee: Shenzhen China Star Optoelectronics Technology Co., LtdInventors: Lei Sun, Li-wei Chu, Jianjun Xie
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Publication number: 20180275440Abstract: The present application discloses a liquid crystal display device driving method and a liquid crystal display device, the driving method including: receiving the image data entered into the timing controller; calculating an area in the display image corresponding to the image data having the coupling phenomenon exceeds a predetermined level; determining whether or not the area in the display image corresponding to the image data having the coupling phenomenon exceeds a predetermined area is greater than or equal to the predetermined area; when the area is greater than or equal to the predetermined area, a two rows inversion manner is adopted, wherein when the method of two rows inversion is adopted to drive the liquid crystal display device, the driving direction of the data signal S(n+2) and the data signal S(n+3) are in contrast at the same time, wherein n is zero or a positive even number.Type: ApplicationFiled: January 13, 2017Publication date: September 27, 2018Applicant: Shenzhen China Star Optoelectronics Technology Co., Ltd.Inventors: Ping-sheng KUO, Li-wei CHU, Yu-yeh CHEN, Jian GAO
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Patent number: 10032764Abstract: In some embodiments, a field effect transistor structure includes a substrate, a fin structure and a gate structure. The fin structure is formed over the substrate. The fin structure includes a first channel region, a first source or drain region and a second source or drain region. The first source or drain region and the second source or drain region are formed on opposite ends of the first channel region, respectively. The well region is formed of the same conductivity type as the second source or drain region, connected to the second source or drain region, and extended to the substrate. The first gate structure wraps around the first channel region in the fin structure.Type: GrantFiled: September 6, 2016Date of Patent: July 24, 2018Assignee: TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY LTD.Inventors: Wun-Jie Lin, Yu-Ti Su, Li-Wei Chu, Bo-Ting Chen
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Publication number: 20180204517Abstract: Provided are an AMOLED display drive method and a drive circuit. The drive method comprises detecting whether a gray scale of a preset region in the AMOLED display is larger than a preset gray scale, and detecting whether pixel amounts corresponded with a width and a length of the preset region are larger than preset pixel amounts; calculating a condition that a threshold voltage of each drive thin film transistor of the preset region changes along with time in a preset duration; compensating a data signal loaded to the thin film transistor according to the condition that the threshold voltage of the drive thin film transistor of the preset region changes along with time to make a variation of the data signal along with time equal to a variation of the threshold voltage along with time; using the data signal after being compensated to drive the AMOLED display.Type: ApplicationFiled: August 31, 2016Publication date: July 19, 2018Applicant: Shenzhen China Star Optoelectronics Technology Co., Ltd.Inventors: Ping-sheng KUO, Li-wei CHU
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Publication number: 20180173651Abstract: A data storage device access method, a device and a system. The method includes receiving a mode switch control command by a first bus through a first interface of the control device; switching a second interface of the control device to a predetermined mode based on the received mode switch control command. In cases where the second interface is switched to the first mode in accordance with the mode switch control command, the other device connected to a second bus corresponding to the second interface, accesses the data storage device under the control of the control device via the second interface through the second bus. In cases where the second interface is switched to the second mode in accordance with the mode switch control command, the other device directly accesses the data storage device through the second bus without the control of the control device.Type: ApplicationFiled: July 12, 2016Publication date: June 21, 2018Applicant: Shenzhen China Star Optoelectronics Technology Co., Ltd.Inventors: Jianjun XIE, Li-wei CHU, Yuhong FU, Jian GAO
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Publication number: 20180166028Abstract: A driving method for a display panel and a driving device are disclosed. The method includes: detecting that if a current data frame satisfies a preset switching condition of switching a first polarity mode to a second polarity mode; if the current data frame satisfies a preset switching condition, obtaining a polarity input signal corresponding to a previous data frame; obtaining a data compensation value corresponding to each sub-pixel according to the polarity input signal and a position of each sub-pixel of the current data frame; under the second polarity mode, after superimposing a value of each sub-pixel of the current data frame and the data compensation value corresponding to each sub-pixel, outputting to a display panel. Accordingly, the present invention can avoid an instantaneous flicker when switching from the first polarity mode to the second polarity mode.Type: ApplicationFiled: May 17, 2016Publication date: June 14, 2018Applicant: Shenzhen China Star Optoelectronics Technology Co., Ltd.Inventors: Lei SUN, Li-wei CHU, Jianjun XIE
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Publication number: 20180151554Abstract: An electrostatic discharge (ESD) protection device having a source region coupled to a first electrical node, a first drain region coupled to a second electrical node different from the first electrical node, and an extended drain region between the source region and the first drain region. The extended drain region includes a number N of electrically floating doped regions and a number M of gate regions coupled to the second electrical node, where N and M are integers greater than 1 and N is equal to M. Each electrically floating doped region of the N number of floating doped regions alternates with each gate region of the M number of gate regions.Type: ApplicationFiled: December 29, 2016Publication date: May 31, 2018Applicant: TAIWAN SEMICONDUCTOR MANUFACTURING CO., LTD.Inventors: Po-Lin PENG, Han-Jen YANG, Jam-Wem LEE, Li-Wei CHU
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Patent number: 9965991Abstract: The present invention provides a drive method and a drive device of a liquid crystal display, and the drive method comprises: receiving an image to display; implementing block detection to the image pixels of the image to display to determine dimensions of color blocks where the image pixels are; respectively setting block weights for the respective image pixels according to the dimensions of the color blocks; implementing the color washout compensation to the image to display according to the block weight; driving the liquid crystal panel to show the image to display after the color washout compensation. With the aforesaid arrangement, the present invention can reduce the color washout under large view angle to promote the display effect of the large view angle.Type: GrantFiled: June 20, 2017Date of Patent: May 8, 2018Assignee: Shenzhen China Star Optoelectronics Technology Co., LtdInventors: Yu-yeh Chen, Dongsheng Guo, Jiang Zhu, Lei Sun, Li-Wei Chu, Jhen-wei He
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Publication number: 20180075792Abstract: A drive method is provided for driving a liquid crystal display and includes receiving an image to be displayed, which includes multiple image pixels; setting different weights for primary color components of each of multiple image pixels of the image; implementing color washout compensation to the image according to the weights set for the primary color components of each of the multiple image pixels by varying brightness levels of the primary color components of each of the image pixels of the image; and driving the liquid crystal display to display the image so compensated.Type: ApplicationFiled: November 25, 2017Publication date: March 15, 2018Applicant: Shenzhen China Star Optoelectronics Technology Co., Ltd.Inventors: Yu-Yeh CHEN, Dongsheng GUO, Jiang ZHU, Lei SUN, Li-wei CHU, Jhen-wei HE
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Publication number: 20180075794Abstract: A drive method is provided for driving a liquid crystal display and includes receiving an image to be displayed, which includes multiple image pixels; setting different weights for primary color components of each of multiple image pixels of the image; implementing color washout compensation to the image according to the weights set for the primary color components of each of the multiple image pixels by varying brightness levels of the primary color components of each of the image pixels of the image; and driving the liquid crystal display to display the image so compensated.Type: ApplicationFiled: November 25, 2017Publication date: March 15, 2018Applicant: Shenzhen China Star Optoelectronics Technology Co. , Ltd.Inventors: Yu-Yeh CHEN, Dongsheng GUO, Jiang ZHU, Lei SUN, Li-wei CHU, Jhen-wei HE
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Publication number: 20180075793Abstract: A drive method is provided for driving a liquid crystal display and includes receiving an image to be displayed, which includes multiple image pixels; setting different weights for primary color components of each of multiple image pixels of the image; implementing color washout compensation to the image according to the weights set for the primary color components of each of the multiple image pixels by varying brightness levels of the primary color components of each of the image pixels of the image; and driving the liquid crystal display to display the image so compensated.Type: ApplicationFiled: November 25, 2017Publication date: March 15, 2018Applicant: Shenzhen China Star Optoelectronics Technology Co., Ltd.Inventors: Yu-Yeh CHEN, Dongsheng GUO, Jiang ZHU, Lei SUN, Li-wei CHU, Jhen-wei HE
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Patent number: 9898956Abstract: A method of driving active-matrix organic light-emitting diode (AMOLED) panels includes: (A) dividing a current frame of a current image corresponding to an i-th color component into a plurality of sub-frames, wherein i?[1,N], and N is a total number of the color component; (B) obtaining a sequence of the sub-frames of a previous frame of a previous image corresponding to the i-th color component, wherein the previous frame has been divided into a plurality of sub-frames by the same way with the current frame; (C) determining the sequence of the sub-frames of the current frame in accordance with the sequence of the sub-frames of the previous frame, wherein the sequence of the sub-frames (SF) of the current image is same with or is different from that of the previous frame; and (D) controlling the panel to display in accordance with the sequence of the sub-frames of the current frame determined by corresponding color components.Type: GrantFiled: March 20, 2015Date of Patent: February 20, 2018Assignee: Shenzhen China Star Optoelectronics Technology Co., LtdInventors: Ping-sheng Kuo, Li-wei Chu
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Patent number: 9886880Abstract: The present invention provides a drive method and a drive device of a liquid crystal display, and the drive method comprises: receiving an image to display; implementing skin color detection to the image pixels of the image to display to determine nude pixel and non skin color pixel; setting different skin color weights for the nude pixel and the non skin color pixel; implementing the color washout compensation to the image to display according to the skin color weight; driving the liquid crystal panel to show the image to display after the color washout compensation. With the aforesaid arrangement, the present invention preferably improves the resolution and viewing angle of the display at the same time.Type: GrantFiled: March 20, 2015Date of Patent: February 6, 2018Assignee: Shenzhen China Star Optoelectronics Technology Co., LtdInventors: Yu-yeh Chen, Dongsheng Guo, Jiang Zhu, Lei Sun, Li-wei Chu, Jhen-wei He
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Patent number: 9876005Abstract: An Electro-Static Discharge (ESD) protection circuit includes a plurality of groups of p-type heavily doped semiconductor strips (p+ strips) and a plurality of groups of n-type heavily doped semiconductor strips (n+ strips) forming an array having a plurality of rows and columns. In each of the rows and the columns, the plurality of groups of p+ strips and the plurality of groups of n+ strips are allocated in an alternating layout. The ESD protection circuit further includes a plurality of gate stacks, each including a first edge aligned to an edge of a group in the plurality of groups of p+ strips, and a second edge aligned to an edge of a group in the plurality of groups of n+ strips.Type: GrantFiled: June 2, 2016Date of Patent: January 23, 2018Assignee: Taiwan Semiconductor Manufacturing Company, Ltd.Inventors: Yu-Ti Su, Han-Jen Yang, Wun-Jie Lin, Li-Wei Chu
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Patent number: 9858843Abstract: The present invention provides a drive method and a drive device of a liquid crystal display, and the drive method comprises: receiving an image to display; setting different weights for respective primary color components of the image pixels in the image to display; implementing the color washout compensation to the image to display according to the weight; driving the liquid crystal panel to show the image to display after the color washout compensation. With the aforesaid arrangement, the present invention can reduce the color washout under large view angle to promote the display effect of the large view angle.Type: GrantFiled: March 20, 2015Date of Patent: January 2, 2018Assignee: Shenzhen China Star Optoelectronics Technology Co., LtdInventors: Yu-yeh Chen, Dongsheng Guo, Jiang Zhu, Lei Sun, Li-wei Chu, Jhen-wei He