Patents by Inventor Hsin Wen Chang

Hsin Wen Chang 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).

  • Publication number: 20240134239
    Abstract: A display device including a substrate, a cholesteric liquid crystal layer, and a transparent electrode layer that are sequentially stacked is provided. The cholesteric liquid crystal layer includes cholesteric liquid crystal molecules and a plurality of transparent photoresist structures. Each of the transparent photoresist structures is a closed structure, and the cholesteric liquid crystal molecules are respectively accommodated in a plurality of patterned areas respectively surrounded by the transparent photoresist structures, so as to form a plurality of cholesteric liquid crystal patterns. The transparent electrode layer includes a plurality of sub-electrodes. The cholesteric liquid crystal patterns are respectively driven by the sub-electrodes. An orthogonal projection of each of the transparent photoresist structures on the substrate falls in an orthogonal projection of a corresponding sub-electrode of the sub-electrodes on the substrate.
    Type: Application
    Filed: October 22, 2023
    Publication date: April 25, 2024
    Applicant: AUO Corporation
    Inventors: Chun-Han Lee, Chien-Chuan Chen, Ju-Wen Chang, Hsin Chiang Chiang, Peng-Yu Chen
  • Publication number: 20240128341
    Abstract: The disclosure provides a semiconductor structure and a method of forming the same. The semiconductor structure includes a base pattern including a channel region and a drain region, a first semiconductor layer on the channel region of the base pattern, and a gate structure on the first semiconductor layer. The gate structure includes a first stack disposed on the first semiconductor layer and a second stack disposed on the first stack. The first stack includes a first sidewall adjacent to the drain region and a second sidewall opposite to the first sidewall in a first direction parallel to a top surface of the base pattern. The first sidewall is at a first distance from the second stack in the first direction, and the second sidewall is at a second distance from the second stack in the first direction. The first distance is greater than the second distance.
    Type: Application
    Filed: December 14, 2022
    Publication date: April 18, 2024
    Applicant: Powerchip Semiconductor Manufacturing Corporation
    Inventors: Chia-Hao Chang, Jih-Wen Chou, Hwi-Huang Chen, Hsin-Hong Chen, Yu-Jen Huang
  • Patent number: 11961769
    Abstract: A method of forming an integrated circuit, including forming a n-type doped well (N-well) and a p-type doped well (P-well) disposed side by side on a semiconductor substrate, forming a first fin active region extruded from the N-well and a second fin active region extruded from the P-well, forming a first isolation feature inserted between and vertically extending through the N-well and the P-well, and forming a second isolation feature over the N-well and the P-well and laterally contacting the first and the second fin active regions.
    Type: Grant
    Filed: November 7, 2022
    Date of Patent: April 16, 2024
    Assignee: TAIWAN SEMICONDUCTOR MANUFACTURING CO., LTD
    Inventors: Kuo-Hsiu Hsu, Yu-Kuan Lin, Feng-Ming Chang, Hsin-Wen Su, Lien Jung Hung, Ping-Wei Wang
  • Publication number: 20230314673
    Abstract: An optical film includes a film body and plural micro-structures randomly distributed over the film body. The micro-structures respectively correspond to a plurality of regions. Each of the regions is defined by a same number of auxiliary micro-structures of the micro-structures around a main micro-structure of the micro-structures, and a ratio of an area of a minimum one of the regions to an area of a maximum one of the regions is greater than 50% and less than 100%.
    Type: Application
    Filed: March 30, 2022
    Publication date: October 5, 2023
    Inventor: Hsin Wen CHANG
  • Publication number: 20230118595
    Abstract: An optical film and a display device using the same are provided. The optical film includes a substrate, a first optical layer, a plurality of second optical layers and a third optical layer. The first optical layer is formed on the substrate, in which the first optical layer has an optical structure having a plurality of recesses. The second optical layers formed in the recesses of the optical structure of the first optical layer. The third optical layer covers the first optical layer and the second optical layers. The display device includes a displayer and the optical film, in which the optical film is disposed on the displayer.
    Type: Application
    Filed: October 15, 2021
    Publication date: April 20, 2023
    Inventor: Hsin Wen CHANG
  • Publication number: 20220365341
    Abstract: The optical film includes a main body and an optical structure. The optical structure protrudes from a surface of the main body. The optical structure includes a first side surface and a second side surface. A first connecting line and a first angle less than 90 degrees are formed between the first side surface and the surface of the main body. A second connecting line and a second angle less than 90 degrees are formed between the second side surface and the surface of the main body. When viewed from a normal vector of the surface of the main body, a third angle is formed between an extension line of the first connecting line and an extension line of the second connecting line, and the third angle is greater than 0 degree and less than 90 degrees.
    Type: Application
    Filed: May 12, 2021
    Publication date: November 17, 2022
    Inventors: Tsang-Chi WANG, Hsin-Wen CHANG
  • Patent number: 11320662
    Abstract: A light deflection film and a display device using the same are provided. The display device includes a display panel and a light deflection film. The light deflection film is disposed on the display panel and includes a first layer, a second layer and a light deflection structure formed at an interface between the first layer and the second layer. The first layer has a first refractive index. The second layer is formed on the first layer and has a second refractive index. The first layer of the light deflection film is located between the second layer and the display panel, and the first refractive index is larger than the second refractive index.
    Type: Grant
    Filed: March 19, 2019
    Date of Patent: May 3, 2022
    Assignee: CM VISUAL TECHNOLOGY CORPORATION
    Inventors: Hsin-Wen Chang, Kuo-Chang Yu
  • Patent number: 10996464
    Abstract: An optical element including a first pattern is provided. The first pattern includes a film and a plurality of light deflection regions arranged on the film, wherein each light deflection region comprises a diffraction structure having two or more than two amplitudes.
    Type: Grant
    Filed: July 20, 2020
    Date of Patent: May 4, 2021
    Assignee: CM VISUAL TECHNOLOGY CORPORATION
    Inventors: Hsin-Wen Chang, Hung-Yu Lin, Yung-Pin Chen
  • Patent number: 10886405
    Abstract: A semiconductor structure includes a first source/drain region, a second source/drain region, a channel doping region, a gate structure, a first well and a second well. The second source/drain region is disposed opposite to the first source/drain region. The channel doping region is disposed between the first source/drain region and the second source/drain region. The gate structure is disposed on the channel doping region. The first well has a first portion disposed under the first source/drain region. The second well is disposed opposite to the first well and separated from the second source/drain region. The first source/drain region, the second source/drain region and the channel doping region have a first conductive type. The first well and the second well have a second conductive type different from the first conductive type.
    Type: Grant
    Filed: December 7, 2016
    Date of Patent: January 5, 2021
    Assignee: MACRONIX INTERNATIONAL CO., LTD.
    Inventors: Yung-Hsiang Chen, Yao-Wen Chang, Chu-Yung Liu, I-Chen Yang, Hsin-Wen Chang
  • Publication number: 20200348513
    Abstract: An optical element including a first pattern is provided. The first pattern includes a film and a plurality of light deflection regions arranged on the film, wherein each light deflection region comprises a diffraction structure having two or more than two amplitudes.
    Type: Application
    Filed: July 20, 2020
    Publication date: November 5, 2020
    Inventors: Hsin-Wen CHANG, Hung-Yu LIN, Yung-Pin CHEN
  • Publication number: 20200310012
    Abstract: The invention relates to an optical element disposed on a light source. The optical element includes a first medium, a second medium and a light deflecting structure. The second medium is formed on the first medium. The light deflecting structure is formed on the interface between the first medium and the second medium. The relationship between the optical element and the light emitted by the light source satisfies the formula: 0<|WB?WA|/Wref<10, wherein WA is an image broadening width obtained under the circumstances of the light passing through the optical element with the first medium as the light incident side; WB is an image broadening width obtained under the circumstances of the light passing through the optical element with the second medium as the light incident side; and Wref is a width obtained under the circumstances of the light not passing through the optical element.
    Type: Application
    Filed: March 24, 2020
    Publication date: October 1, 2020
    Inventors: Hsin-Wen CHANG, Kuo-Chang YU
  • Patent number: 10746986
    Abstract: An optical element including a first pattern is provided. The first pattern includes a plurality of light deflection regions arranged along at least one set of first tracks in a first direction, and each first track is a waveform track having a first period T1 and a first amplitude A1.
    Type: Grant
    Filed: April 27, 2018
    Date of Patent: August 18, 2020
    Assignee: CM VISUAL TECHNOLOGY CORPORATION
    Inventors: Hsin-Wen Chang, Hung-Yu Lin, Yung-Pin Chen
  • Publication number: 20190324282
    Abstract: A light deflection film and a display device using the same are provided. The display device includes a display panel and a light deflection film. The light deflection film is disposed on the display panel and includes a first layer, a second layer and a light deflection structure formed at an interface between the first layer and the second layer. The first layer has a first refractive index. The second layer is formed on the first layer and has a second refractive index. The first layer of the light deflection film is located between the second layer and the display panel, and the first refractive index is larger than the second refractive index.
    Type: Application
    Filed: March 19, 2019
    Publication date: October 24, 2019
    Inventors: Hsin-Wen CHANG, Kuo-Chang YU
  • Publication number: 20180321487
    Abstract: An optical element including a first pattern is provided. The first pattern includes a plurality of light deflection regions arranged along at least one set of first tracks in a first direction, and each first track is a waveform track having a first period T1 and a first amplitude A1.
    Type: Application
    Filed: April 27, 2018
    Publication date: November 8, 2018
    Inventors: Hsin-Wen CHANG, Hung-Yu LIN, Yung-Pin CHEN
  • Publication number: 20180158950
    Abstract: A semiconductor structure includes a first source/drain region, a second source/drain region, a channel doping region, a gate structure, a first well and a second well. The second source/drain region is disposed opposite to the first source/drain region. The channel doping region is disposed between the first source/drain region and the second source/drain region. The gate structure is disposed on the channel doping region. The first well has a first portion disposed under the first source/drain region. The second well is disposed opposite to the first well and separated from the second source/drain region. The first source/drain region, the second source/drain region and the channel doping region have a first conductive type. The first well and the second well have a second conductive type different from the first conductive type.
    Type: Application
    Filed: December 7, 2016
    Publication date: June 7, 2018
    Inventors: Yung-Hsiang Chen, Yao-Wen Chang, Chu-Yung Liu, I-Chen Yang, Hsin-Wen Chang
  • Patent number: 8736787
    Abstract: A liquid crystal panel module, a backlight module and a liquid crystal display (LCD) are provided. The liquid crystal panel module includes a liquid crystal panel and a diffraction grating layer. The liquid crystal panel has a plurality of pixels. The diffraction grating layer is disposed on the liquid crystal panel, and a maximum period of a grating of the diffraction grating layer is smaller than 1/10 of a size of the pixels. The backlight module includes a light guide plate, a light emitting element and a diffraction grating film. A light provided by the light emitting element emits from a light emitting surface of the light guide plate and is bended towards the light emitting element after passing through the diffraction grating film. The liquid crystal panel module and the backlight module can be applied to the LCD together or individually.
    Type: Grant
    Filed: January 6, 2011
    Date of Patent: May 27, 2014
    Assignees: Chimei Innolux Corporation, Chi Mei Corporation, Klaser Technology, Inc.
    Inventors: Wang-Yang Li, Hung-Yu Lin, Hsin-Wen Chang, Yi-Pan Liang, Chien-Chih Wang, Wai-Hon Lee, Hua-Fang Tsai
  • Patent number: 8730432
    Abstract: An optical film is provided. The optical film includes a substrate, a first transmission medium, second transmission medium, and a reflective polarizing film. The first transmission medium is disposed at the front surface of the substrate and includes a plurality of embossed microlenses. The second transmission medium is disposed at the rear surface of the substrate and comprises a plurality of V-shaped prisms. The reflective polarizing film is disposed at the front surface of the first transmission medium. The substrate, the first transmission medium, and the second transmission medium are bounded to each other to form a unitary sheet.
    Type: Grant
    Filed: May 30, 2012
    Date of Patent: May 20, 2014
    Assignees: Innocom Technology (Shenzhen) Co. Ltd., Chimei Innolux Corporation
    Inventors: Tzu-Chang Wang, Li-Wei Mao, Hsin-Wen Chang, Yen-Liang Chen
  • Patent number: 8416366
    Abstract: A liquid crystal display (LCD) and a back light module are provided. The back light module includes a light guide plate (LGP) and a plurality of light-emitting devices. The LGP has a plurality of partitioning grooves, a bottom surface, a light exiting surface, a first side and a second side. The bottom surface is opposite to the light exiting surface. The first side and the second side are located at the two opposite side surfaces of the LGP. The extension direction of each of the partitioning grooves extends from the first side towards the second side. Each of the partitioning grooves has an opening and the opening is located at the bottom surface. The plurality of light-emitting devices are disposed at least one of the first side and the second side. The liquid crystal panel of the LCD is disposed at the light exiting surface.
    Type: Grant
    Filed: February 25, 2011
    Date of Patent: April 9, 2013
    Assignee: Chimei Innolux Corporation
    Inventors: Hsin-Wen Chang, Chi-Liang Chang, Yung-Kun Chen
  • Publication number: 20120314157
    Abstract: An optical film is provided. The optical film includes a substrate, a reflective polarizer, and a first transmission medium. The reflective polarizer is disposed at the front surface of the substrate. The first transmission medium is disposed at the rear surface of the substrate and comprises a plurality of V-shaped prisms. The substrate, the reflective polarizer, and the first transmission medium are bounded to each other to form a unitary sheet.
    Type: Application
    Filed: May 31, 2012
    Publication date: December 13, 2012
    Applicants: CHIMEI INNOLUX CORPORATION, INNOCOM TECHNOLOGY (SHENZHEN) CO., LTD.
    Inventors: Tzu-Chang WANG, Li-Wei MAO, Hsin-Wen CHANG
  • Publication number: 20120307180
    Abstract: An optical film is provided. The optical film includes a substrate, a first transmission medium, second transmission medium, and a reflective polarizing film. The first transmission medium is disposed at the front surface of the substrate and includes a plurality of embossed microlenses. The second transmission medium is disposed at the rear surface of the substrate and comprises a plurality of V-shaped prisms. The reflective polarizing film is disposed at the front surface of the first transmission medium. The substrate, the first transmission medium, and the second transmission medium are bounded to each other to form a unitary sheet.
    Type: Application
    Filed: May 30, 2012
    Publication date: December 6, 2012
    Applicants: CHIMEI INNOLUX CORPORATION, INNOCOM TECHNOLOGY (SHENZHEN) CO., LTD.
    Inventors: Tzu-Chang WANG, Li-Wei MAO, Hsin-Wen CHANG, Yen-Liang CHEN