Patents by Inventor Chieh Hu
Chieh Hu 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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Patent number: 11315520Abstract: A driving circuit for driving a display panel is provided. The driving circuit includes a source driver. The source driver is configured to be controlled by a timing controller. The source driver is configured to adjust at least one of an operation frequency and a receiving bandwidth of a source driving circuit of the source driver when at least one of the timing controller and the source driver detects that an interference event occurs.Type: GrantFiled: April 13, 2021Date of Patent: April 26, 2022Assignee: Novatek Microelectronics Corp.Inventors: Jen-Chieh Hu, Chin-Hung Hsu
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Patent number: 11287844Abstract: A support base includes a base casing, a support frame, a first rack, an auxiliary support member and at least one gear. The support frame is movably disposed on the base casing. The first rack is disposed in the base casing and connected to the support frame. The auxiliary support member is movably disposed in the base casing. The auxiliary support member has a second rack. The at least one gear meshes with the first rack and the second rack. When the support frame moves linearly along a first direction, the first rack drives the auxiliary support member to move along a second direction through the at least one gear and the second rack, wherein an angle included between the first direction and the second direction is essentially between 0 degrees and 90 degrees.Type: GrantFiled: March 30, 2020Date of Patent: March 29, 2022Assignee: Qisda CorporationInventors: Yung-Chun Su, Hui-Chieh Hu
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Publication number: 20220035118Abstract: An optical element driving mechanism is provided and includes a fixed assembly, a movable assembly and a connecting assembly. The movable assembly is configured to connect an optical element having an optical axis, and the movable assembly is movable relative to the fixed assembly. The movable assembly is movably connected to the fixed assembly through the connecting assembly.Type: ApplicationFiled: July 30, 2021Publication date: February 3, 2022Inventors: Wei-Chieh HU, Yu-Hsien WAN, I-Hung CHEN, Tun-Ping HSUEH
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Publication number: 20220028800Abstract: Semiconductor device structures and methods for manufacturing the same are provided. The semiconductor device structure includes a substrate, a die and a stiffener. The substrate has an upper surface. The die is disposed on the upper surface of the substrate. The stiffener is disposed on the upper surface of the substrate and surrounds the die. The stiffener has a first upper surface adjacent to the die, a second upper surface far from the die and a lateral surface extending from the first upper surface to the second upper surface. A first distance between the first upper surface of the stiffener and the upper surface of the substrate is less than a second distance between the second upper surface of the stiffener and the upper surface of the substrate.Type: ApplicationFiled: July 24, 2020Publication date: January 27, 2022Applicant: Advanced Semiconductor Engineering, Inc.Inventors: Jui-Tzu CHEN, Yu-Hsing LIN, Chia-Chieh HU, Chun-Cheng KUO, Yu-Hsiang CHAO
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Patent number: 11170720Abstract: The invention provides a display panel driving apparatus and a driving method thereof. The display panel driving apparatus includes a source driver circuit and a timing controller circuit. The source driver circuit loads data to data lines of the display panel in load data periods. The timing controller circuit controls the source driver circuit for dynamically configuring a time length of one of the load data periods according to whether charge sharing occurs. When a charge sharing operation is not performed on at least two of the data lines in the load data period, the load data period has a first time length. When the charge sharing operation is performed on at least two of the data lines in the load data period, the load data period has a second time length longer than the first time length.Type: GrantFiled: July 6, 2018Date of Patent: November 9, 2021Assignee: Novatek Microelectronics Corp.Inventors: Pang-Jen Chiang, Jen-Chieh Hu, Chin-Hung Hsu
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Patent number: 11127883Abstract: A semiconductor device includes: a first semiconductor layer; a second semiconductor layer including a first dopant of a first conductivity type and a second dopant of a second conductivity type, wherein the first dopant has a doping concentration, and the first conductivity type is different from the second conductivity type; a third semiconductor layer on the second semiconductor layer, wherein the third semiconductor layer includes a third dopant including a doping concentration higher than the doping concentration of the first dopant; and an active region between the first semiconductor layer and the second semiconductor layer; wherein the second semiconductor layer includes a bottom surface facing the active region, and the active region includes a top surface facing the second semiconductor layer, and a distance between the bottom surface of the second semiconductor layer and the top surface of the active region is not less than 2 nm.Type: GrantFiled: May 22, 2020Date of Patent: September 21, 2021Assignee: EPISTAR CORPORATIONInventors: Jing-Jie Dai, Tzu-Chieh Hu
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Publication number: 20210233488Abstract: A driving circuit for driving a display panel is provided. The driving circuit includes a source driver. The source driver is configured to be controlled by a timing controller. The source driver is configured to adjust at least one of an operation frequency and a receiving bandwidth of a source driving circuit of the source driver when at least one of the timing controller and the source driver detects that an interference event occurs.Type: ApplicationFiled: April 13, 2021Publication date: July 29, 2021Applicant: Novatek Microelectronics Corp.Inventors: Jen-Chieh Hu, Chin-Hung Hsu
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Publication number: 20210208623Abstract: A support base includes a base casing, a support frame, a first rack, an auxiliary support member and at least one gear. The support frame is movably disposed on the base casing. The first rack is disposed in the base casing and connected to the support frame. The auxiliary support member is movably disposed in the base casing. The auxiliary support member has a second rack. The at least one gear meshes with the first rack and the second rack. When the support frame moves linearly along a first direction, the first rack drives the auxiliary support member to move along a second direction through the at least one gear and the second rack, wherein an angle included between the first direction and the second direction is essentially between 0 degrees and 90 degrees.Type: ApplicationFiled: March 30, 2020Publication date: July 8, 2021Inventors: Yung-Chun Su, Hui-Chieh Hu
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Patent number: 11017740Abstract: A timing controller and an anti-interference method thereof are provided. The timing controller includes a timing control circuit. The timing control circuit provides an input signal for controlling a source driver. When at least one of the timing control circuit and the source driver detects that an interference event occurs to the input signal, the timing control circuit is configured to adjust a frequency of a data signal or a clock signal from a normal operation frequency to at least one anti-interference frequency. The timing control signal is further configured to provide at least one of the data signal and the clock signal to the source driver.Type: GrantFiled: April 27, 2020Date of Patent: May 25, 2021Assignee: Novatek Microelectronics Corp.Inventors: Jen-Chieh Hu, Chin-Hung Hsu
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Publication number: 20210122301Abstract: A vehicle decorative plate and a forming method thereof are disclosed. The vehicle decorative plate can be made into a vehicle emblem, a vehicle grille, a vehicle front bumper trim, a vehicle door trim or a vehicle rear bumper trim. The vehicle decorative plate includes a curved substrate, a display layer, and a curved covering. After the curved substrate is coated with a plating layer, unnecessary parts of the plating layer are removed by laser engraving to process the plating layer into the display layer. The curved covering is attached to the curved substrate and covers the display layer. At least one of the curved substrate and the curved covering is transparent or semi-transparent.Type: ApplicationFiled: August 27, 2020Publication date: April 29, 2021Inventors: YI-KUAN LIN, PEI-YU WANG, FU-CHIEH HU
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Publication number: 20210086650Abstract: A charging device for an electric vehicle includes a network connection unit, a display light-panel, and a processor. The network connection unit is coupled to a server through a network and receives an indication of an operation of a charging procedure performed by a user device corresponding to the electric vehicle via the network. The display light-panel has an optical light-guiding component and a backlight module, wherein the optical light-guiding component has a fixed pattern printed thereon and the backlight module includes light sources, and the optical light-guiding component and the light sources are respectively disposed to operate the display light-panel in at least one illumination mode. The processor respectively changes the illumination mode of the display light-panel in response to the received indication, such that the display light-panel changes the light sources to generate an interaction display effect corresponding to the operation of the charging procedure.Type: ApplicationFiled: September 21, 2020Publication date: March 25, 2021Inventors: John C. Wang, Jen-Chieh Hsu, Ying-Chieh Hu, Chien-Chih Yu, Pu-Ying Lin
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Publication number: 20210057603Abstract: A semiconductor device includes: a first semiconductor region; and a first electrode on the first semiconductor region; wherein first semiconductor region includes a first layer and a second layer, the second layer includes a first portion and a second portion adjacent to the first portion, the first portion has a first thickness, the second portion has a second thickness less than the first thickness, the first layer includes a first material and a first dopant, the first material includes multiple elements, the first dopant has a first concentration, the second layer includes a second material and a second dopant, the second material includes multiple elements, the second dopant has a second concentration, one of the elements of the first material of the first layer is different from the elements of the second material of the second layer.Type: ApplicationFiled: October 21, 2020Publication date: February 25, 2021Inventors: Tzu-Chieh HU, Wei-Chieh LIEN, Chen OU, Chia-Ming LIU, Tzu-Yi CHI
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Patent number: 10818818Abstract: A semiconductor device includes: a first semiconductor region; and a first electrode on the first semiconductor region; wherein first semiconductor region includes a first layer and a second layer, the second layer includes a first portion and a second portion adjacent to the first portion, the first portion has a first thickness, the second portion has a second thickness less than the first thickness, the first layer includes a first material and a first dopant, the first material includes multiple elements, the first dopant has a first concentration, the second layer includes a second material and a second dopant, the second material includes multiple elements, the second dopant has a second concentration, one of the elements of the first material of the first layer is different from the elements of the second material of the second layer.Type: GrantFiled: November 20, 2018Date of Patent: October 27, 2020Assignee: EPISTAR CORPORATIONInventors: Tzu-Chieh Hu, Wei-Chieh Lien, Chen Ou, Chia-Ming Liu, Tzu-Yi Chi
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Patent number: 10777612Abstract: A pixel array including a plurality of pixel units is provided. Each of the pixel unit includes at least a first color subpixel, a second color subpixel and a Nth color subpixel, wherein N is an integer and N?3. The first color subpixel includes a first stacked light-emitting layer, the second color subpixel includes a second stacked light-emitting layer, and the Nth color subpixel includes a Nth stacked light-emitting layer. The first stacked light-emitting layer, the second stacked light-emitting layer, and the third stacked light-emitting layer each include a main light-emitting layer and an auxiliary light-emitting layer. The main light-emitting layer of the first color subpixel and the auxiliary light-emitting layer of the second color subpixel are the same material layer. The main light-emitting layer of the Nth color subpixel and the auxiliary light-emitting layer of the first color subpixel are the same material layer.Type: GrantFiled: June 12, 2018Date of Patent: September 15, 2020Assignee: Au Optronics CorporationInventors: Hung-Chieh Hu, Yi-Hong Chen, Chung-Chia Chen, Meng-Ting Lee
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Publication number: 20200287082Abstract: A semiconductor device includes: a first semiconductor layer; a second semiconductor layer including a first dopant of a first conductivity type and a second dopant of a second conductivity type, wherein the first dopant has a doping concentration, and the first conductivity type is different from the second conductivity type; a third semiconductor layer on the second semiconductor layer, wherein the third semiconductor layer includes a third dopant including a doping concentration higher than the doping concentration of the first dopant; and an active region between the first semiconductor layer and the second semiconductor layer; wherein the second semiconductor layer includes a bottom surface facing the active region, and the active region includes a top surface facing the second semiconductor layer, and a distance between the bottom surface of the second semiconductor layer and the top surface of the active region is not less than 2 nm.Type: ApplicationFiled: May 22, 2020Publication date: September 10, 2020Inventors: Jing-Jie DAI, Tzu-Chieh HU
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Patent number: 10762873Abstract: A driving circuit and an anti-interference method thereof are provided. The driving circuit includes a source driver. The source driver is configured to be controlled by a timing controller. The source driver is configured to adjust at least one of an operation frequency and a receiving bandwidth of a source driving circuit of the source driver when at least one of the timing controller and the source driver detects that an interference event occurs.Type: GrantFiled: January 30, 2019Date of Patent: September 1, 2020Assignee: Novatek Microelectronics Corp.Inventors: Jen-Chieh Hu, Chin-Hung Hsu
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Publication number: 20200258472Abstract: A timing controller and an anti-interference method thereof are provided. The timing controller includes a timing control circuit. The timing control circuit provides an input signal for controlling a source driver. When at least one of the timing control circuit and the source driver detects that an interference event occurs to the input signal, the timing control circuit is configured to adjust a frequency of a data signal or a clock signal from a normal operation frequency to at least one anti-interference frequency. The timing control signal is further configured to provide at least one of the data signal and the clock signal to the source driver.Type: ApplicationFiled: April 27, 2020Publication date: August 13, 2020Applicant: Novatek Microelectronics Corp.Inventors: Jen-Chieh Hu, Chin-Hung Hsu
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Patent number: 10665750Abstract: A semiconductor device includes: a first semiconductor layer; a second semiconductor layer including a first dopant of a first conductivity type and a second dopant of a second conductivity type, wherein the first dopant has a doping concentration, and the first conductivity type is different from the second conductivity type; a third semiconductor layer on the second semiconductor layer, wherein the third semiconductor layer includes a third dopant including a doping concentration higher than the doping concentration of the first dopant; and an active region between the first semiconductor layer and the second semiconductor layer; wherein the second semiconductor layer includes a bottom surface facing the active region, and the active region includes a top surface facing the second semiconductor layer, and a distance between the bottom surface of the second semiconductor layer and the top surface of the active region is not less than 2 nm.Type: GrantFiled: November 7, 2018Date of Patent: May 26, 2020Assignee: Epistar CorporationInventors: Jing-Jie Dai, Tzu-Chieh Hu
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Patent number: 10625216Abstract: A polyimide mixture including a polyimide and an amino-containing silica particle is provided. The polyimide includes a repeating unit represented by formula 1: wherein Ar includes and A includes The amino-containing silica particle is mixed with the polyimide, and is obtained by the hydrolysis condensation reaction of an alkoxysilane shown in formula 2 and an alkoxysilane shown in formula 3 in the presence of a catalyst: Si(OR1)4??formula 2, (NH2—Y)m—Si(OR2)4-m??formula 3, wherein in formula 2, R1 is a C1-C10 alkyl group; and in formula 3, Y is a C1-C10 alkyl group or a C2-C10 alkenyl group, R2 is a C1-C10 alkyl group, and m is an integer of 1 to 3.Type: GrantFiled: June 22, 2017Date of Patent: April 21, 2020Assignee: Taiwan Textile Research InstituteInventors: Shang-Chih Chou, Chun-Hung Chen, Chien-Chieh Hu
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Publication number: 20200086280Abstract: A filter element includes a porous membrane and a metallic glass material. The porous membrane is made of a polymer material. The metallic glass material is formed on two opposite surfaces of the porous membrane. The metallic glass material is coated on a plurality of fibrous structures of the porous membrane to improve the strength and the characteristics of the porous membrane.Type: ApplicationFiled: September 5, 2019Publication date: March 19, 2020Inventors: Jinn P. CHU, Kassa Shewaye Temesgen, Chien-Chieh HU, Juin-Yih LAI, Chien-Kuang CHEN