Patents by Inventor Kun-hua Tsai
Kun-hua Tsai 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: 20240154629Abstract: A 24 GHz band-pass filter includes a step impedance resonator, a first U-shape feeding portion, a second U-shape feeding portion, short-circuit stubs and open-circuit stubs. The step impedance resonator includes a first main portion, a second main portion, and a connection portion for connecting the main portions to each other. The first main portion and the second main portion are electrically connected to a first signal input/output port and a second signal input/output port. The first U-shape feeding portion is electrically connected between the first main portion and the first signal input/output port. The second U-shape feeding portion is electrically connected between the second main portion and the second signal input/output port. The short-circuit stubs are electrically connected to coupling segments of the step impedance resonator. The open-circuit stubs are electrically connected to the first U-shape feeding portion and the second U-shape feeding portion.Type: ApplicationFiled: November 1, 2023Publication date: May 9, 2024Inventors: Kun Yen TU, Meng-Hua TSAI, Wei Ting LEE, Sin-Siang WANG
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Publication number: 20240097300Abstract: A multi-band filter includes a circuit board, a first resonator, a second resonator, and a coupling element configured to couple the first resonator with the second resonator. The coupling element includes a first coupling capacitor, a second coupling capacitor, a first short-circuited stub and a second short-circuited stub. The first coupling capacitor has two terminals electrically connected to the first portion of the first resonator and the first portion of the second resonator respectively. The second coupling capacitor has two terminals electrically connected to the second portion of the first resonator and the second portion of the second resonator respectively. The first short-circuited stub is electrically connected to the first coupling capacitor and a ground plane. The second short-circuited stub is electrically connected to the second coupling capacitor and a ground plane.Type: ApplicationFiled: June 20, 2023Publication date: March 21, 2024Inventors: Kun Yen TU, Meng-Hua TSAI, Weiting LEE, Sin-Siang WANG
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Patent number: 11916313Abstract: An appressed antenna includes an antenna housing and a metal shell. The antenna housing comprising a housing and a planar antenna, where the planar antenna is bent with one part folded onto the inner surface of the housing and other part pressed onto the outer surface of the housing. The antenna housing is sleeve fitted to the metal shell with a gap between for the planar antenna to radiate. In this all-metal environment, the position of the antenna is close to the gap opening will increase radiation efficiency. By having at least a branch at the tail end of the appressed antenna, the appressed antenna can have a good return loss and antenna gain.Type: GrantFiled: March 29, 2022Date of Patent: February 27, 2024Assignee: QuantumZ Inc.Inventors: Kun-Yen Tu, Meng-Hua Tsai, Wei-Ting Lee, Sin-Siang Wang
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Publication number: 20240055549Abstract: A selectable-repairing micro light emitting diode display is provided. A backplane includes a plurality of transistor units. A plurality of pixel units are disposed on the backplane, and each of the pixel units includes a plurality of original sub-pixel units and at least one selectable-repairing sub-pixel unit. Each of the original sub-pixel units includes a set of original pad. The set of original pad is disposed on the backplane and connected to one of the transistor units. The at least one selectable-repairing sub-pixel unit is arranged between two of the original sub-pixel units next to each other and having different colors, and includes a set of repairing pad. The set of repairing pad is not connected to the transistor units. A plurality of micro light emitting elements are electrically connected to the sets of original pad and controlled to emit light through the corresponding transistor units, respectively.Type: ApplicationFiled: October 23, 2023Publication date: February 15, 2024Inventors: KUAN-YUNG LIAO, SHENG-YUAN SUN, KUN-HUA TSAI
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Patent number: 11843074Abstract: A selectable-repairing micro light emitting diode display is provided. A backplane includes a plurality of transistor units. A plurality of pixel units are disposed on the backplane, and each of the pixel units includes a plurality of original sub-pixel units and at least one selectable-repairing sub-pixel unit. Each of the original sub-pixel units includes a set of original pad. The set of original pad is disposed on the backplane and connected to one of the transistor units. The at least one selectable-repairing sub-pixel unit is arranged between two of the original sub-pixel units next to each other and having different colors, and includes a set of repairing pad. The set of repairing pad is not connected to the transistor units. A plurality of micro light emitting elements are electrically connected to the sets of original pad and controlled to emit light through the corresponding transistor units, respectively.Type: GrantFiled: April 28, 2021Date of Patent: December 12, 2023Assignee: PlayNitride Display Co., Ltd.Inventors: Kuan-Yung Liao, Sheng-Yuan Sun, Kun-Hua Tsai
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Patent number: 11640784Abstract: A micro light emitting diode (micro LED) display and a controller thereof are provided. The micro LED display includes a circuit board, a plurality of micro LED devices, and the controller. The micro LED devices are disposed on a first surface of the circuit board. The micro LED devices respectively have a plurality of pixel arrays. The controller is carried by the circuit board and is configured to transmit a plurality of control signals to respectively control display statuses of the pixel arrays of the micro LED devices.Type: GrantFiled: May 18, 2021Date of Patent: May 2, 2023Assignee: PlayNitride Display Co., Ltd.Inventors: Po-Jen Su, Kun-Hua Tsai
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Publication number: 20230125009Abstract: A computer system based on wafer-on-wafer architecture is provided, comprising a memory device and a logic circuit layer stacked in a wafer on wafer structural configuration. The memory device comprises a memory array and a circuit driver. The memory array comprises a shared circuit path and a plurality of memory cells, wherein the shared circuit path is connected to the memory cells. The circuit driver is connected to the shared circuit path, driving the memory cells. The logic circuit layer comprises a plurality of bounding pads for signal transmission, and a latency controller, connected to the memory array through the bounding pads, adjusting the number of memory cells connecting the shared circuit path, thereby dynamically adjusting the latency characteristics of the memory array. Embodiments of the memory device and the memory control method are also provided.Type: ApplicationFiled: October 5, 2022Publication date: April 20, 2023Applicant: WHALECHIP CO., LTD.Inventors: Kun-Hua TSAI, Yi-Wei YAN
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Publication number: 20230119889Abstract: A computer system configured to overcome the conventional bottleneck of memory throughput. A wafer-on-wafer (WOW) technology is adapted to overcome the physical limitation of quantity and length in circuit deployments. The memory devices and the memory controllers in the logic circuit layer are improved to transmit data in differential signals. The differential signals can significantly reduce the error rate in high-speed transmissions, at a voltage level far lower than that of the conventional single-end signals. Thus, the power consumption of the computer system is significantly reduced. Furthermore, the memory controller in the computer system is improved to be an integrated controller having control over physical layer signals. Thereby, the conventional physical layer interface is no longer needed in the computer system, and therefore the cost to the computer system is further reduced.Type: ApplicationFiled: October 6, 2022Publication date: April 20, 2023Applicant: WHALECHIP CO., LTD.Inventors: Kun-Hua TSAI, Yi-Wei YAN
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Publication number: 20220246792Abstract: A selectable-repairing micro light emitting diode display is provided. A backplane includes a plurality of transistor units. A plurality of pixel units are disposed on the backplane, and each of the pixel units includes a plurality of original sub-pixel units and at least one selectable-repairing sub-pixel unit. Each of the original sub-pixel units includes a set of original pad. The set of original pad is disposed on the backplane and connected to one of the transistor units. The at least one selectable-repairing sub-pixel unit is arranged between two of the original sub-pixel units next to each other and having different colors, and includes a set of repairing pad. The set of repairing pad is not connected to the transistor units. A plurality of micro light emitting elements are electrically connected to the sets of original pad and controlled to emit light through the corresponding transistor units, respectively.Type: ApplicationFiled: April 28, 2021Publication date: August 4, 2022Inventors: KUAN-YUNG LIAO, SHENG-YUAN SUN, KUN-HUA TSAI
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Publication number: 20220059015Abstract: A micro light emitting diode (micro LED) display and a controller thereof are provided. The micro LED display includes a circuit board, a plurality of micro LED devices, and the controller. The micro LED devices are disposed on a first surface of the circuit board. The micro LED devices respectively have a plurality of pixel arrays. The controller is carried by the circuit board and is configured to transmit a plurality of control signals to respectively control display statuses of the pixel arrays of the micro LED devices.Type: ApplicationFiled: May 18, 2021Publication date: February 24, 2022Applicant: PlayNitride Display Co., Ltd.Inventors: Po-Jen Su, Kun-Hua Tsai
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Publication number: 20200168167Abstract: An optical compensation method of a display panel, wherein the method includes providing an external assembly and a cloud server; obtaining a brightness image of a panel to be corrected by the external assembly; transmitting the brightness image stored in the external assembly and a serial number corresponding to the panel to be corrected to the cloud server, and recording the brightness image and the serial number as marked data; and performing an algorithm via the cloud server to generate a brightness-compensation data of the panel to be corrected based on the marked data, and storing the brightness-compensation data.Type: ApplicationFiled: November 27, 2019Publication date: May 28, 2020Inventor: KUN-HUA TSAI
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Patent number: 10070543Abstract: A power adapter including a first substrate, a second substrate, a transformer and an insulating frame is provided. The first substrate includes a first terminal set. The second substrate includes a second terminal set. The transformer includes a primary side connection terminal and a secondary side connection terminal, wherein the primary side connection terminal is connected to the first terminal set and the secondary side connection terminal is connected to the second terminal set. The insulating frame is disposed between the first substrate and the second substrate, and the transformer leans against the insulating frame.Type: GrantFiled: November 14, 2016Date of Patent: September 4, 2018Assignees: LITE-ON ELECTRONICS (GUANGZHOU) LIMITED, Lite-On Technology CorporationInventors: Chih-Pin Sung, Kuo-Lung Chang, Yi-Ling Chen, Kun-Hua Tsai, Zih-Yi Yang
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Patent number: 10025131Abstract: A touch-sensing liquid crystal panel and a fabrication method thereof are provided. The touch-sensing liquid crystal panel includes a color filter substrate and a transistor substrate. In the fabrication method, at first, a first glass substrate is provided. Thereafter, a sensing matrix is formed on a first surface of the first glass substrate at a baking temperature. The sensing matrix is formed from indium tin oxide (ITO), and a sheet resistance of the sensing matrix is equal to or less than 30 ohm/square. Then, color filters and a common electrode are disposed on a second surface of the first glass substrate to form a color filter substrate, wherein the second surface is opposite to the first surface. Thereafter, the transistor substrate is provided and combined with the color filter substrate. Thereafter, a slimming process is performed to slim a second glass substrate of the transistor substrate.Type: GrantFiled: May 2, 2016Date of Patent: July 17, 2018Assignee: HannStar Display CorporationInventors: Hsu-Ho Wu, Ping-Yuan Su, Yu-Cheng Lin, Hsing-Ying Lee, Kun-Hua Tsai
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Publication number: 20180027674Abstract: A power adapter including a first substrate, a second substrate, a transformer and an insulating frame is provided. The first substrate includes a first terminal set. The second substrate includes a second terminal set. The transformer includes a primary side connection terminal and a secondary side connection terminal, wherein the primary side connection terminal is connected to the first terminal set and the secondary side connection terminal is connected to the second terminal set. The insulating frame is disposed between the first substrate and the second substrate, and the transformer leans against the insulating frame.Type: ApplicationFiled: November 14, 2016Publication date: January 25, 2018Applicants: LITE-ON ELECTRONICS (GUANGZHOU) LIMITED, Lite-On Technology CorporationInventors: Chih-Pin Sung, Kuo-Lung Chang, Yi-Ling Chen, Kun-Hua Tsai, Zih-Yi Yang
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Patent number: 9454029Abstract: A touch-sensing liquid crystal panel is provided and includes a color filter substrate and a transistor substrate. The color filter substrate includes a first substrate, a sensing array, touch-sensing circuit contact pads, and color filters. The transistor substrate includes a second substrate and pixel units. In one embodiment, the first substrate has a first edge region and a second edge region having the same width. In another embodiment, the touch-sensing circuit contact pads are disposed at the first edge region and the second edge region of the first substrate, and each conductive pattern in the sensing array is connected to the touch-sensing circuit contact pads of the first edge region and the second edge region. In another embodiment, each conductive pattern of the sensing array includes two first conductive patterns and conductive pattern rows disposed between the first conductive patterns.Type: GrantFiled: April 2, 2014Date of Patent: September 27, 2016Assignee: HannStar Display CorporationInventors: Hsu-Ho Wu, Yu-Cheng Lin, Ping-Yuan Su, Kun-Hua Tsai, Hsing-Ying Lee
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Publication number: 20160246112Abstract: A touch-sensing liquid crystal panel and a fabrication method thereof are provided. The touch-sensing liquid crystal panel includes a color filter substrate and a transistor substrate. In the fabrication method, at first, a first glass substrate is provided. Thereafter, a sensing matrix is formed on a first surface of the first glass substrate at a baking temperature. The sensing matrix is formed from indium tin oxide (ITO), and a sheet resistance of the sensing matrix is equal to or less than 30 ohm/square. Then, color filters and a common electrode are disposed on a second surface of the first glass substrate to form a color filter substrate, wherein the second surface is opposite to the first surface. Thereafter, the transistor substrate is provided and combined with the color filter substrate. Thereafter, a slimming process is performed to slim a second glass substrate of the transistor substrate.Type: ApplicationFiled: May 2, 2016Publication date: August 25, 2016Inventors: Hsu-Ho WU, Ping-Yuan SU, Yu-Cheng LIN, Hsing-Ying LEE, Kun-Hua TSAI
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Publication number: 20160246095Abstract: A touch-sensing liquid crystal panel and a fabrication method thereof are provided. The touch-sensing liquid crystal panel includes a color filter substrate and a transistor substrate. In the fabrication method, at first, a first glass substrate is provided. Thereafter, a sensing matrix is formed on a first surface of the first glass substrate at a baking temperature. The sensing matrix is formed from indium tin oxide (ITO), and a sheet resistance of the sensing matrix is equal to or less than 30 ohm/square. Then, color filters and a common electrode are disposed on a second surface of the first glass substrate to form a color filter substrate, wherein the second surface is opposite to the first surface. Thereafter, the transistor substrate is provided and combined with the color filter substrate. Thereafter, a slimming process is performed to slim a second glass substrate of the transistor substrate.Type: ApplicationFiled: May 2, 2016Publication date: August 25, 2016Inventors: Hsu-Ho WU, Ping-Yuan SU, Yu-Cheng LIN, Hsing-Ying LEE, Kun-Hua TSAI
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Patent number: 9355807Abstract: A touch-sensing liquid crystal panel and a fabrication method thereof are provided. The touch-sensing liquid crystal panel includes a color filter substrate and a transistor substrate. In the fabrication method, at first, a first glass substrate is provided. Thereafter, a sensing matrix is formed on a first surface of the first glass substrate at a baking temperature. The sensing matrix is formed from indium tin oxide (ITO), and a sheet resistance of the sensing matrix is equal to or less than 30 ohm/square. Then, color filters and a common electrode are disposed on a second surface of the first glass substrate to form a color filter substrate, wherein the second surface is opposite to the first surface. Thereafter, the transistor substrate is provided and combined with the color filter substrate. Thereafter, a slimming process is performed to slim a second glass substrate of the transistor substrate.Type: GrantFiled: February 23, 2014Date of Patent: May 31, 2016Assignee: HANNSTAR DISPLAY CORPORATIONInventors: Hsu-Ho Wu, Ping-Yuan Su, Yu-Cheng Lin, Hsing-Ying Lee, Kun-Hua Tsai
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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
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Patent number: 9046707Abstract: A touch-sensing liquid crystal panel and a fabrication method thereof are provided. The touch-sensing liquid crystal panel includes a color filter substrate, a transistor substrate, and a sensing matrix. In the fabrication method, at first, a first glass substrate is provided. Then, color filters and a common electrode are disposed on a first surface of the first glass substrate to form a color filter substrate. Thereafter, a transistor substrate is combined with the color filter substrate. Then, the glass substrates of the color filter substrate and the transistor substrate are slimed. Thereafter, a sensing layer is formed on a second surface of the first glass substrate, wherein the second surface is opposite to the first surface. Then, the sensing layer is baked to enable a sheet resistance of the sensing matrix to be equal to or less than 30 ohm/square. Thereafter, the sensing layer is patterned.Type: GrantFiled: January 15, 2014Date of Patent: June 2, 2015Assignee: HANNSTAR DISPLAY CORPORATIONInventors: Hsu-Ho Wu, Ping-Yuan Su, Yu-Cheng Lin, Hsing-Ying Lee, Kun-Hua Tsai