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).

  • Patent number: 10483434
    Abstract: A display device is provided. The display device includes a thin-film transistor substrate, a conductive pad disposed on the thin-film transistor substrate, and an adhesion film disposed on the conductive pad. The adhesion film includes a plurality of conductive particles. The display device also includes a light-emitting component disposed on the adhesion film. The light-emitting component includes a connection feature. The display device also includes a protection layer partially surrounding the light-emitting component. The connection feature of the light-emitting component has a lower portion not surrounded by the protection layer. The adhesion film has a thickness of T, one of the plurality of conductive particles has a diameter of d, the lower portion of the connection feature has a thickness of t, and 0<t?T?d.
    Type: Grant
    Filed: July 26, 2017
    Date of Patent: November 19, 2019
    Assignee: INNOLUX CORPORATION
    Inventors: Tung-Kai Liu, Tsau-Hua Hsieh, Hui-Chieh Wang, Shu-Ming Kuo, Ming-I Chao, Shun-Yuan Hu
  • Patent number: 10473531
    Abstract: A temperature sensor includes a plurality of temperature coefficient voltage generators, one or more converters and at least one variable voltage or current source. The temperature coefficient voltage generators are used for generating multiple temperature coefficient voltages. The converters, coupled to the temperature coefficient voltage generators, are used for converting the temperature coefficient voltages to digital values. The at least one variable voltage or current source, each coupled to at least one of the temperature coefficient voltage generators, includes a first variable voltage or current source for outputting a first voltage or current in a first time period, and outputting a second voltage or current in a second time period, wherein the second voltage or current is different from the first voltage or current such that there exists a shift between a first voltage-temperature curve in the first time period and a second voltage-temperature curve in the second time period.
    Type: Grant
    Filed: September 5, 2017
    Date of Patent: November 12, 2019
    Assignee: NOVATEK Microelectronics Corp.
    Inventors: Ying-Chieh Yen, Min-Hung Hu, Yuan-Te Chen, Cun-Kai Zhao, Chien-Chuan Huang
  • Publication number: 20190341524
    Abstract: A semiconductor device comprises: a first semiconductor structure; a second semiconductor structure on the first semiconductor structure; an active region, wherein the active region comprises multiple alternating well layers and barrier layers, the active region further comprises an upper surface facing the second semiconductor structure and a bottom surface opposite the upper surface; an electron blocking region between the second semiconductor structure and the active region; a first aluminum-containing layer between the electron blocking region and the active region, wherein the first aluminum-containing layer has a band gap greater than the band gap of the first electron blocking layer; and a p-type dopant above the bottom surface of the active region and comprising a concentration profile comprising a peak shape having a peak concentration value, wherein the peak concentration value lies at a distance of between 15 nm and 60 nm from the upper surface of the active region.
    Type: Application
    Filed: July 16, 2019
    Publication date: November 7, 2019
    Inventors: Chia-Ming LIU, Chang-Hua HSIEH, Yung-Chung PAN, Chang-Yu TSAI, Ching-Chung HU, Ming-Pao CHEN, Chi SHEN, Wei-Chieh LIEN
  • Publication number: 20190237454
    Abstract: An integrated circuit package and a method of forming the same are provided. The method includes attaching an integrated circuit die to a first substrate. A dummy die is formed. The dummy die is attached to the first substrate adjacent the integrated circuit die. An encapsulant is formed over the first substrate and surrounding the dummy die and the integrated circuit die. The encapsulant, the dummy die and the integrated circuit die are planarized, a topmost surface of the encapsulant being substantially level with a topmost surface of the dummy die and a topmost surface of the integrated circuit die. An interior portion of the dummy die is removed. A remaining portion of the dummy die forms an annular structure.
    Type: Application
    Filed: August 1, 2018
    Publication date: August 1, 2019
    Inventors: Shang-Yun Hou, Sung-Hui Huang, Kuan-Yu Huang, Hsien-Pin Hu, Yushun Lin, Heh-Chang Huang, Hsing-Kuo Hsia, Chih-Chieh Hung, Ying-Ching Shih, Chin-Fu Kao, Wen-Hsin Wei, Li-Chung Kuo, Chi-Hsi Wu, Chen-Hua Yu
  • Publication number: 20190237042
    Abstract: 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: Application
    Filed: January 30, 2019
    Publication date: August 1, 2019
    Applicant: Novatek Microelectronics Corp.
    Inventors: Jen-Chieh Hu, Chin-Hung Hsu
  • Publication number: 20190165204
    Abstract: 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: Application
    Filed: November 20, 2018
    Publication date: May 30, 2019
    Inventors: Tzu-Chieh HU, Wei-Chieh LIEN, Chen OU, Chia-Ming LIU, Tzu-Yi CHI
  • Publication number: 20190157511
    Abstract: 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: Application
    Filed: November 7, 2018
    Publication date: May 23, 2019
    Inventors: Jing-Jie DAI, Tzu-Chieh HU
  • Publication number: 20190148293
    Abstract: A semiconductor device includes a dummy fin structure disposed over a substrate, a dummy gate structure disposed over a part of the dummy fin structure, a first interlayer dielectric layer in which the dummy gate structure is embedded, a second interlayer dielectric layer disposed over the first interlayer dielectric layer, and a resistor wire formed of a conductive material and embedded in the second interlayer dielectric layer. The resistor wire overlaps the dummy gate structure in plan view.
    Type: Application
    Filed: December 21, 2018
    Publication date: May 16, 2019
    Inventors: Chia-Hsin HU, Yu-Chiun LIN, Yi-Hsuan CHUNG, Chung-Peng HSIEH, Chung-Chieh YANG, Po-Nien CHEN
  • Publication number: 20190077670
    Abstract: A method of preparing a composite material includes the steps of: (a) dispersing graphene material and graphene oxide material in a solution, where the weight ratio of the graphene material to the graphene oxide material is between 0.2-1; and (b) after step (a), stirring the solution at a first temperature.
    Type: Application
    Filed: November 30, 2017
    Publication date: March 14, 2019
    Inventors: Wei-Song Hung, Yi-Chen Hsiao, Chien-Chieh Hu, Hui-An Tsai, Kueir-Rarn Lee, Juin-Yih Lai
  • Publication number: 20190016049
    Abstract: A 3D printer including two tanks, a powder spreading mechanism and a transport assembly is provided. A tank opening is defined on each tank, and an elevating mechanism is arranged in each tank. The powder spreading mechanism is able to move across the tank openings, one of the tanks contains powders for supplying the powders, and the powder spreading mechanism push the powders into the other tank. The transport assembly includes a carrying plate and a covering case, the carrying plate is arranged on the elevating mechanism in the tank for powder supplying, multiple insertion holes are defined at the carrying plate, a case opening is defined at the covering case, the covering case covers on the corresponding tank opening, multiple movable latches for correspondingly inserted in the respective insertion holes are arranged at the case opening, and the powders are allowed to be contained in the covering case.
    Type: Application
    Filed: August 21, 2017
    Publication date: January 17, 2019
    Inventors: Yi-Yi CHAO, Chih-Chieh HU
  • Patent number: 10178176
    Abstract: Methods and systems for communicating data between a network and devices of a vehicle are provided. A method includes: determining, by a processor, a value associated with a round trip time based on vehicle information; adjusting, by the processor, a size of a window used in communication with the network based on the value; and communicating data at least one of to and from the network based on the size of the window.
    Type: Grant
    Filed: July 10, 2015
    Date of Patent: January 8, 2019
    Assignees: CARNEGIE MELLON UNIVERSITY, GM GLOBAL TECHNOLOGY OPERATIONS LLC
    Inventors: Ozan Tonguz, Hsu-Chieh Hu, Fan Bai
  • Publication number: 20180366521
    Abstract: 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: Application
    Filed: June 12, 2018
    Publication date: December 20, 2018
    Applicant: Au Optronics Corporation
    Inventors: Hung-Chieh Hu, Yi-Hong Chen, Chung-Chia Chen, Meng-Ting Lee
  • Publication number: 20180353991
    Abstract: Disclosed are a graphene material and a manufacturing method thereof. A high molecule powder material is uniformly mixed with a blend of carbon black and graphene to form a material mixture. An electrostatic spraying operation is conducted by using an electrostatic spray gun to spray the material mixture of the high molecule powder material, carbon black, and graphene to a surface of a substrate so as to form a graphene coating layer such that the substrate supports the graphene coating layer. The high molecule powder material is at least 10 grains and the blended carbon black and graphene takes weight percentage of 1-10%. Carbon black is distributed in graphene so that mutual contact between carbon black and graphene and material properties of carbon black that show high conductivity makes electrical charges contained in the graphene material easy to move.
    Type: Application
    Filed: June 9, 2017
    Publication date: December 13, 2018
    Inventors: Wei-Song Hung, Yun-Kang Yeh, Chien-Chieh Hu, Kueir-Rarn Lee, Juin-Yih Lai
  • Patent number: 9918263
    Abstract: A communications apparatus and method for camping on a serving cell. The apparatus includes a radio frequency (RF) signal processing device, processing a plurality of RF signals to generate a plurality of baseband signals, a baseband signal processing device, processing the baseband signals, and a processor, determining whether a first predetermined threshold value related to cell reselection of the serving cell is greater than a second predetermined threshold value related to cell reselection of a predetermined neighbor cell, and when the first predetermined threshold value is greater than the second predetermined threshold value, determining not to perform cell reselection to reselect to the predetermined neighbor cell and determining to perform at least one radio activity instead in a predetermined period of time reserved for performing the cell reselection.
    Type: Grant
    Filed: August 16, 2017
    Date of Patent: March 13, 2018
    Assignee: MEDIATEK INC.
    Inventors: Shuang-An Chou, Hsu-Chieh Hu
  • Publication number: 20180028984
    Abstract: 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: Application
    Filed: June 22, 2017
    Publication date: February 1, 2018
    Applicant: Taiwan Textile Research Institute
    Inventors: Shang-Chih Chou, Chun-Hung Chen, Chien-Chieh Hu
  • Patent number: 9877248
    Abstract: A communications apparatus and method for camping on a serving cell. The apparatus includes a radio frequency (RF) signal processing device, processing a plurality of RF signals to generate a plurality of baseband signals, a baseband signal processing device, processing the baseband signals, and a processor, measuring a signal quality or power of the serving cell and determining whether a first predetermined threshold value related to cell reselection of the serving cell is greater than a second predetermined threshold value related to cell reselection of a predetermined neighbor cell. When the first predetermined threshold value is greater than the second predetermined threshold value, the processor further determines whether the signal quality or power of the serving cell is greater than the second predetermined threshold value. Also, at times, the processor further determines whether to perform cell measurement on the predetermined neighbor cell.
    Type: Grant
    Filed: August 16, 2017
    Date of Patent: January 23, 2018
    Assignee: MEDIATEK INC.
    Inventors: Shuang-An Chou, Hsu-Chieh Hu
  • Publication number: 20180014233
    Abstract: A communications apparatus and method for camping on a serving cell. The apparatus includes a radio frequency (RF) signal processing device, processing a plurality of RF signals to generate a plurality of baseband signals, a baseband signal processing device, processing the baseband signals, and a processor, determining whether a first predetermined threshold value related to cell reselection of the serving cell is greater than a second predetermined threshold value related to cell reselection of a predetermined neighbor cell, and when the first predetermined threshold value is greater than the second predetermined threshold value, determining not to perform cell reselection to reselect to the predetermined neighbor cell and determining to perform at least one radio activity instead in a predetermined period of time reserved for performing the cell reselection.
    Type: Application
    Filed: August 16, 2017
    Publication date: January 11, 2018
    Inventors: Shuang-An CHOU, Hsu-Chieh HU
  • Patent number: 9847053
    Abstract: A display apparatus, a gate driver and an operation method thereof are provided. The gate driver includes a first input buffer and a gate line driving circuit. An input terminal of the first input buffer is configured to receive a timing control signal from the outside of the gate driver. The gate line driving circuit is coupled to an output terminal of the first input buffer. The gate line driving circuit is configured to scan a plurality of gate lines of the display panel based on the control of the timing control signal. An output impedance of the first input buffer is correspondingly adjusted according to the coupling noise of the gate driver.
    Type: Grant
    Filed: February 5, 2016
    Date of Patent: December 19, 2017
    Assignee: Novatek Microelectronics Corp.
    Inventors: Jen-Chieh Hu, Jung-Chieh Cheng
  • Publication number: 20170347300
    Abstract: A communications apparatus and method for camping on a serving cell. The apparatus includes a radio frequency (RF) signal processing device, processing a plurality of RF signals to generate a plurality of baseband signals, a baseband signal processing device, processing the baseband signals, and a processor, measuring a signal quality or power of the serving cell and determining whether a first predetermined threshold value related to cell reselection of the serving cell is greater than a second predetermined threshold value related to cell reselection of a predetermined neighbor cell. When the first predetermined threshold value is greater than the second predetermined threshold value, the processor further determines whether the signal quality or power of the serving cell is greater than the second predetermined threshold value. Also, at times, the processor further determines whether to perform cell measurement on the predetermined neighbor cell.
    Type: Application
    Filed: August 16, 2017
    Publication date: November 30, 2017
    Inventors: Shuang-An CHOU, Hsu-Chieh HU
  • Patent number: 9775083
    Abstract: A method for efficient wireless communications includes determining whether a first predetermined threshold value related to cell reselection is greater than a second predetermined threshold value related to cell measurement; and when the first predetermined threshold value is not greater than the second predetermined threshold value, determining not to perform cell measurement on a predetermined neighbor cell and determining to perform at least one radio activity instead in a predetermined period of time reserved for performing the cell measurement.
    Type: Grant
    Filed: January 26, 2016
    Date of Patent: September 26, 2017
    Assignee: MEDIATEK INC.
    Inventors: Shuang-An Chou, Hsu-Chieh Hu