Patents by Inventor Yen-Hsien LI

Yen-Hsien LI 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: 20220320155
    Abstract: A semiconductor structure is disclosed. The semiconductor structure includes: a semiconductor substrate having a front surface and a back surface facing opposite to the front surface; a filling material extending from the front surface into the semiconductor substrate without penetrating through the semiconductor substrate, the filling material including an upper portion and a lower portion, the upper portion being in contact with the semiconductor substrate; and an epitaxial layer lined between the lower portion of the filling material and the semiconductor substrate. An associated manufacturing method is also disclosed.
    Type: Application
    Filed: June 24, 2022
    Publication date: October 6, 2022
    Inventors: SHENG-CHAN LI, I-NAN CHEN, TZU-HSIANG CHEN, YU-JEN WANG, YEN-TING CHIANG, CHENG-HSIEN CHOU, CHENG-YUAN TSAI
  • Publication number: 20220299789
    Abstract: A stereoscopic display device including a display panel and an optical element is provided. The optical element is disposed on a display surface of the display panel. The optical element includes a lenticular lens array. The lenticular lens array includes a plurality of lenticular lenses extending in a first direction. The lenticular lenses are arranged in a second direction. The optical element includes a center line extending in the first direction. The lenticular lenses include a first lenticular lens and a second lenticular lens. The distance between the first lenticular lens and the center line is smaller than the distance between the second lenticular lens and the center line, and the curvature of the first lenticular lens is greater than the curvature of the second lenticular lens.
    Type: Application
    Filed: April 20, 2021
    Publication date: September 22, 2022
    Applicant: Acer Incorporated
    Inventors: Yi-Jung Chiu, Shih-Ting Huang, Yen-Hsien Li, Tsung-Wei Tu, Wei-Kuo Shih
  • Publication number: 20220278242
    Abstract: A device and method for fabricating the same is disclosed. For example, the device includes a sensor having a front side and a back side, a metal interconnect layer formed on the front side of the sensor, an anti-reflective coating formed on the back side of the sensor, a composite etch stop mask layer formed on the anti-reflective coating wherein the composite etch stop mask layer includes a hydrogen rich layer and a compressive high density layer, and a light filter formed on the composite etch stop mask layer.
    Type: Application
    Filed: May 13, 2022
    Publication date: September 1, 2022
    Applicant: TAIWAN SEMICONDUCTOR MANUFACTURING CO., LTD.
    Inventors: Cheng-Han LIN, Chao-Ching CHANG, Yi-Ming LIN, Yen-Ting CHOU, Yen-Chang CHEN, Sheng-Chan LI, Cheng-Hsien CHOU
  • Patent number: 11374046
    Abstract: A semiconductor structure is disclosed. The semiconductor structure includes: a semiconductor substrate having a front surface and a back surface facing opposite to the front surface; a filling material extending from the front surface into the semiconductor substrate without penetrating through the semiconductor substrate, the filling material including an upper portion and a lower portion, the upper portion being in contact with the semiconductor substrate; and an epitaxial layer lined between the lower portion of the filling material and the semiconductor substrate. An associated manufacturing method is also disclosed.
    Type: Grant
    Filed: April 15, 2020
    Date of Patent: June 28, 2022
    Assignee: TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY LTD.
    Inventors: Sheng-Chan Li, I-Nan Chen, Tzu-Hsiang Chen, Yu-Jen Wang, Yen-Ting Chiang, Cheng-Hsien Chou, Cheng-Yuan Tsai
  • Publication number: 20220201276
    Abstract: A naked eye stereoscopic display and a control method thereof are provided. The control method of a naked eye stereoscopic display includes the following steps. An effective image width of one eye is obtained. The eye is tracked to obtain an eye movement vector, a movement speed vector and a moving acceleration vector. A correction vector is obtained according to the effective image width, the movement speed vector and the moving acceleration vector. The eye movement vector is corrected according to the correction vector. An image position of a monocular image at several pixels is corrected according to the eye movement vector, which is corrected.
    Type: Application
    Filed: November 24, 2021
    Publication date: June 23, 2022
    Applicant: Acer Incorporated
    Inventors: Yen-Hsien LI, Shih-Ting HUANG, Chao-Shih HUANG
  • Patent number: 11360315
    Abstract: Augmented reality eyeglasses having a structured light detecting function and including a laser projector, an eyeglass lens, at least one first diffractive optical element (DOE) film, an invisible light camera and a second DOE film are provided. The laser projector is configured to emit at least one invisible beam and an image beam. The at least one first DOE film is disposed on the eyeglass lens. The first DOE film is configured to diffract the invisible beam into a structured beam. The structured beam is transmitted to an object to be detected, so as to form a light pattern on the object to be detected. The invisible light camera is configured to photograph the light pattern on the object to be detected. The second DOE film is disposed on the eyeglass lens, and is configured to make the image beam travel to an eye.
    Type: Grant
    Filed: January 19, 2021
    Date of Patent: June 14, 2022
    Assignee: Acer Incorporated
    Inventors: Tsung-Wei Tu, Yi-Jung Chiu, Shih-Ting Huang, Yen-Hsien Li
  • Publication number: 20220107498
    Abstract: The invention provides smart glasses having expanding eyebox, which includes a projector and at least one beam translation module. The projector provides an image beam, which is polarized. The at least one beam translation module is disposed on a path of the image beam, and includes an adjustable liquid crystal panel and a birefringent crystal plate. The adjustable liquid crystal panel is disposed on the path of the image beam and configured to adjust an amount of phase retardation of the image beam. The birefringent crystal plate is disposed on a path of the image beam from the adjustable liquid crystal panel. After the amount of phase retardation of the image beam is adjusted through the adjustable liquid crystal panel, a translation in a direction parallel to a beam-emitting surface of the birefringent crystal plate occurs on the image beam exited from the birefringent crystal plate.
    Type: Application
    Filed: December 3, 2020
    Publication date: April 7, 2022
    Applicant: Acer Incorporated
    Inventors: Tsung-Wei Tu, Shih-Ting Huang, Yi-Jung Chiu, Yen-Hsien Li
  • Patent number: 11281011
    Abstract: A head mounted display including two display units is provided. Each display unit includes a display module and an optical assembly disposed in front of the display module. The display module includes a carrier body and a plurality of light-emitting elements. The carrier body includes a plurality of recesses. Each recess has a bottom surface and a reflective side wall connected to the bottom surface. A plurality of the light-emitting elements are located in the plurality of recesses. Each light-emitting element is disposed on the bottom surface of a corresponding recess. The optical assembly is disposed in front of the display module.
    Type: Grant
    Filed: September 26, 2020
    Date of Patent: March 22, 2022
    Assignee: Acer Incorporated
    Inventors: Yi-Jung Chiu, Shih-Ting Huang, Yen-Hsien Li, Tsung-Wei Tu, Wei-Kuo Shih
  • Patent number: 11281012
    Abstract: Augmented reality glasses are provided. The augmented reality glasses are adapted to be put on in front of the eyes of a user. The augmented reality glasses include at least one image source and a plurality of reflecting mirrors. The at least one image source is configured to provide at least one image beam to the eyes, and the at least one image beam has a plurality of sub-beams. The plurality of reflecting mirrors are disposed on a path of the at least one image beam to respectively reflect the sub-beams. The at least one image beam has at least one first width before being incident on the reflecting mirrors and has at least one second width after being reflected by the reflecting mirrors. The at least one second width is greater than the at least one first width.
    Type: Grant
    Filed: October 29, 2020
    Date of Patent: March 22, 2022
    Assignee: Acer Incorporated
    Inventors: Yi-Jung Chiu, Shih-Ting Huang, Yen-Hsien Li, Tsung-Wei Tu, Wei-Kuo Shih
  • Publication number: 20220082828
    Abstract: Augmented reality glasses are provided. The augmented reality glasses are adapted to be put on in front of the eyes of a user. The augmented reality glasses include at least one image source and a plurality of reflecting mirrors. The at least one image source is configured to provide at least one image beam to the eyes, and the at least one image beam has a plurality of sub-beams. The plurality of reflecting mirrors are disposed on a path of the at least one image beam to respectively reflect the sub-beams. The at least one image beam has at least one first width before being incident on the reflecting mirrors and has at least one second width after being reflected by the reflecting mirrors. The at least one second width is greater than the at least one first width.
    Type: Application
    Filed: October 29, 2020
    Publication date: March 17, 2022
    Applicant: Acer Incorporated
    Inventors: Yi-Jung Chiu, Shih-Ting Huang, Yen-Hsien Li, Tsung-Wei Tu, Wei-Kuo Shih
  • Publication number: 20220082830
    Abstract: Augmented reality eyeglasses having a structured light detecting function and including a laser projector, an eyeglass lens, at least one first diffractive optical element (DOE) film, an invisible light camera and a second DOE film are provided. The laser projector is configured to emit at least one invisible beam and an image beam. The at least one first DOE film is disposed on the eyeglass lens. The first DOE film is configured to diffract the invisible beam into a structured beam. The structured beam is transmitted to an object to be detected, so as to form a light pattern on the object to be detected. The invisible light camera is configured to photograph the light pattern on the object to be detected. The second DOE film is disposed on the eyeglass lens, and is configured to make the image beam travel to an eye.
    Type: Application
    Filed: January 19, 2021
    Publication date: March 17, 2022
    Applicant: Acer Incorporated
    Inventors: Tsung-Wei Tu, Yi-Jung Chiu, Shih-Ting Huang, Yen-Hsien Li
  • Patent number: 11209653
    Abstract: A near-eye display apparatus including at least one display unit having a display element and an optical system is provided. The display element provides a light beam. The light beam includes a first light beam and a second light beam having different image information and different polarization states. The optical system includes a first semi-reflective element, a first polarization conversion element, and a polarization reflector, arranged in sequence along an optical axis. The polarization reflector allows a light beam having a first polarization state to pass and reflects a light beam having a second polarization state. The light path and the image distance of the second light beam are greater than the light path and the image distance of the first light beam, and the first light beam and the second light beam are emitted by at least one display unit to form a combined light beam.
    Type: Grant
    Filed: March 16, 2020
    Date of Patent: December 28, 2021
    Assignee: Acer Incorporated
    Inventors: Tsung-Wei Tu, Yi-Jung Chiu, Shih-Ting Huang, Yen-Hsien Li
  • Publication number: 20210333553
    Abstract: A head mounted display including two display units is provided. Each display unit includes a display module and an optical assembly disposed in front of the display module. The display module includes a carrier body and a plurality of light-emitting elements. The carrier body includes a plurality of recesses. Each recess has a bottom surface and a reflective side wall connected to the bottom surface. A plurality of the light-emitting elements are located in the plurality of recesses. Each light-emitting element is disposed on the bottom surface of a corresponding recess. The optical assembly is disposed in front of the display module.
    Type: Application
    Filed: September 26, 2020
    Publication date: October 28, 2021
    Applicant: Acer Incorporated
    Inventors: Yi-Jung Chiu, Shih-Ting Huang, Yen-Hsien Li, Tsung-Wei Tu, Wei-Kuo Shih
  • Publication number: 20210215850
    Abstract: A head mount display including two display units respectively disposed in front of eyes of a user is provided. Each of the display units includes a display device, a Fresnel lens, and a plurality of moth eye structures. The Fresnel lens is disposed between the display device and one of the eyes of the user. The plurality of moth eye structures are located on at least one surface between the display device and the one of the eyes of the user.
    Type: Application
    Filed: January 8, 2021
    Publication date: July 15, 2021
    Applicants: STARVR CORPORATION, Acer Incorporated
    Inventors: Yi-Jung Chiu, Wei-Kuo Shih, Shih-Ting Huang, Yen-Hsien Li
  • Publication number: 20210181508
    Abstract: A near-eye display apparatus including at least one display unit having a display element and an optical system is provided. The display element provides a light beam. The light beam includes a first light beam and a second light beam having different image information and different polarization states. The optical system includes a first semi-reflective element, a first polarization conversion element, and a polarization reflector, arranged in sequence along an optical axis. The polarization reflector allows a light beam having a first polarization state to pass and reflects a light beam having a second polarization state. The light path and the image distance of the second light beam are greater than the light path and the image distance of the first light beam, and the first light beam and the second light beam are emitted by at least one display unit to form a combined light beam.
    Type: Application
    Filed: March 16, 2020
    Publication date: June 17, 2021
    Applicant: Acer Incorporated
    Inventors: Tsung-Wei Tu, Yi-Jung Chiu, Shih-Ting Huang, Yen-Hsien Li
  • Publication number: 20210132375
    Abstract: An eye tracking device including an optical waveguide component, a light source module, and an eye tracking module is provided. The optical waveguide component has a light-entrance surface and a light-exit surface connecting the light-entrance surface. The light-exit surface has a plurality of micro-structures directly formed on the light-exit surface. The light source module is disposed next to the light-entrance surface and adapted to provide a light beam. The light beam enters the optical waveguide component through the light-entrance surface, and the light beam is emitted from the optical waveguide component through the micro-structures and is transmitted to an eye. The eye tracking module receives a portion of the light beam reflected by the eye and determines a location of the eye based on the portion of the light beam reflected by the eye. A head mounted display is also provided.
    Type: Application
    Filed: October 29, 2020
    Publication date: May 6, 2021
    Applicants: Acer Incorporated, STARVR CORPORATION
    Inventors: Tsung-Wei Tu, Wei-Kuo Shih, Shih-Ting Huang, Yen-Hsien Li
  • Patent number: 10913820
    Abstract: A process for producing a cationic dyeable polyester includes the steps of: (a) subjecting a combination of a bis-hydroxy alkyl terephthalate monomer of Formula (1) defined herein and an organic diacid monomer mixture which includes an aromatic dicarboxylic acid monomer and a sulfo group-containing aromatic dicarboxylic acid dyeable monomer to an esterification reaction to form an esterification reaction product; and (b) subjecting the esterification reaction product to a polycondensation reaction.
    Type: Grant
    Filed: January 16, 2019
    Date of Patent: February 9, 2021
    Assignee: Far Eastern New Century Corporation
    Inventors: Der-Ren Hwang, Cheng-Ting Wang, Yen-Hsien Li
  • Publication number: 20200175269
    Abstract: An eye tracker includes a lens, a beam splitter, a structured light source and an image capturing element. The beam splitter is disposed at one side of the lens. The structured light source and the image capturing element are disposed between the lens and the beam splitter. The structured light source is configured to emit a first light and project to the beam splitter. The first light is reflected to the lens from the beam splitter and passes through the lens to project to an eye. The first light is reflected from the eye to form a second light. The second light passes through the lens and projects to the beam splitter, and is reflected to the image capturing element from the beam splitter. A display is also provided.
    Type: Application
    Filed: December 3, 2019
    Publication date: June 4, 2020
    Applicants: STARVR CORPORATION, Acer Incorporated
    Inventors: Yen-Hsien Li, Wei-Kuo Shih
  • Patent number: 10662326
    Abstract: A process for producing a flame-retardant polyester includes step (a) and step (b). In step (a), a combination of a bis-hydroxy alkyl terephthalate monomer and an organic diacid monomer mixture which includes an aromatic dicarboxylic acid monomer and a carboxy-phosphinic acid monomer is subjected to an esterification reaction to form an esterification reaction product. In step (b), the esterification reaction product is subjected to a polycondensation reaction.
    Type: Grant
    Filed: February 23, 2018
    Date of Patent: May 26, 2020
    Assignee: Far Easter New Century Corporation
    Inventors: Der-Ren Hwang, Cheng-Ting Wang, Yen-Hsien Li
  • Publication number: 20200031992
    Abstract: A process for producing a cationic dyeable polyester includes the steps of: (a) subjecting a combination of a bis-hydroxy alkyl terephthalate monomer of Formula (1) defined herein and an organic diacid monomer mixture which includes an aromatic dicarboxylic acid monomer and a sulfo group-containing aromatic dicarboxylic acid dyeable monomer to an esterification reaction to form an esterification reaction product; and (b) subjecting the esterification reaction product to a polycondensation reaction.
    Type: Application
    Filed: January 16, 2019
    Publication date: January 30, 2020
    Inventors: Der-Ren Hwang, Cheng-Ting Wang, Yen-Hsien Li