Patents by Inventor Chih-Hsiang Yang

Chih-Hsiang Yang 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: 20220384655
    Abstract: A method includes following steps. A semiconductor fin is formed extending from a substrate. A gate structure is formed extending across the semiconductor fin. Recesses are etched in the semiconductor fin. Source/drain epitaxial structures are formed in the recesses in the semiconductor fin. Formation of each of the source/drain epitaxial structures comprises performing a first epitaxy growth process to form a bar-shaped epitaxial structure in one of the recesses, and performing a second epitaxy growth process to form a cladding epitaxial layer cladding on the bar-shaped epitaxial structure. The bar-shaped epitaxial structure has a lower phosphorous concentration than the cladding epitaxial layer.
    Type: Application
    Filed: August 10, 2022
    Publication date: December 1, 2022
    Applicant: TAIWAN SEMICONDUCTOR MANUFACTURING CO., LTD.
    Inventors: Szu-Chi YANG, Chih-Hsiang HUANG
  • Publication number: 20220377310
    Abstract: A stereoscopic image display device includes a flat panel display unit, a lens array unit, and a light guide structure unit. The light guide structure unit includes a light guide microstructure. The light guide microstructure is disposed on a side of the lens array unit. A bottom angle of the light guide microstructure is defined as B, and a bottom length of the light guide microstructure is defined as P. The bottom angle B and the bottom length P of the light guide microstructure satisfies following conditions: (i) 15.5 degrees?B?83.5 degrees; and (ii) 10 micrometers?P?2,000 micrometers, such that an oblique viewing angle of the stereoscopic image display device falls within a range from 10 degrees to 60 degrees.
    Type: Application
    Filed: September 6, 2021
    Publication date: November 24, 2022
    Inventors: CHUN-HSIANG YANG, CHIH-HUNG TING, KAI-CHIEH CHANG, HSIN-YOU HOU
  • Publication number: 20220367726
    Abstract: A method of fabricating a device includes providing a fin element in a device region and forming a dummy gate over the fin element. In some embodiments, the method further includes forming a source/drain feature within a source/drain region adjacent to the dummy gate. In some cases, the source/drain feature includes a bottom region and a top region contacting the bottom region at an interface interposing the top and bottom regions. In some embodiments, the method further includes performing a plurality of dopant implants into the source/drain feature. In some examples, the plurality of dopant implants includes implantation of a first dopant within the bottom region and implantation of a second dopant within the top region. In some embodiments, the first dopant has a first graded doping profile within the bottom region, and the second dopant has a second graded doping profile within the top region.
    Type: Application
    Filed: May 13, 2021
    Publication date: November 17, 2022
    Inventors: Shih-Hao LIN, Chih-Chuan YANG, Chih-Hsuan CHEN, Bwo-Ning CHEN, Cha-Hon CHOU, Hsin-Wen SU, Chih-Hsiang HUANG
  • Publication number: 20220367656
    Abstract: A method includes providing a substrate, a dummy fin, and a stack of semiconductor channel layers; forming an interfacial layer wrapping around each of the semiconductor channel layers; depositing a high-k dielectric layer, wherein a first portion of the high-k dielectric layer over the interfacial layer is spaced away from a second portion of the high-k dielectric layer on sidewalls of the dummy fin by a first distance; depositing a first dielectric layer over the dummy fin and over the semiconductor channel layers, wherein a merge-critical-dimension of the first dielectric layer is greater than the first distance thereby causing the first dielectric layer to be deposited in a space between the dummy fin and a topmost layer of the stack of semiconductor channel layers, thereby providing air gaps between adjacent layers of the stack of semiconductor channel layers and between the dummy fin and the stack of semiconductor channel layers.
    Type: Application
    Filed: July 28, 2021
    Publication date: November 17, 2022
    Inventors: Chia-Hao Pao, Chih-Chuan Yang, Shih-Hao Lin, Kian-Long Lim, Chih-Wei Lee, Chien-Yuan Chen, Jo-Chun Hung, Yung-Hsiang Chan, Yu-Kuan Lin, Lien Jung Hung
  • Publication number: 20220360762
    Abstract: A stereoscopic image display device capable of reducing grid visual effect includes a flat display unit, a light source unit disposed on a side of the flat display unit, and a lens array unit disposed on another side of the flat display unit. A light source provided by the light source unit satisfies an optical characteristic as follows: an attenuation amplitude of a luminance of the light source before entering the lens array unit being not greater than 65% within a divergence angle of a light field system of the stereoscopic image display device, thereby reducing the grid visual effect of a stereo image generated by the stereoscopic image display device.
    Type: Application
    Filed: August 17, 2021
    Publication date: November 10, 2022
    Inventors: CHUN-HSIANG YANG, CHIH-HUNG TING, KAI-CHIEH CHANG, HSIN-YOU HOU, WEI-AN CHEN, KUAN-YU CHEN, CHIH-WEI SHIH
  • Publication number: 20220359308
    Abstract: Semiconductor device and the manufacturing method thereof are disclosed herein. An exemplary method comprises forming first and second semiconductor fins in first and second regions of a substrate, respectively; forming first and second dummy gate stacks over the first and second semiconductor fins, respectively, and forming a spacer layer over the first and the second dummy gate stacks; forming a first pattern layer with a thickness along the spacer layer in the first region; form a first source/drain (S/D) trench along the first pattern layer and epitaxially growing a first epitaxial feature therein; removing the first pattern layer to expose the spacer layer; forming a second pattern layer with a different thickness along the spacer layer in the second region; form a second S/D trench along the second pattern layer and epitaxially growing a second epitaxial feature therein; and removing the second pattern layer to expose the spacer layer.
    Type: Application
    Filed: July 26, 2022
    Publication date: November 10, 2022
    Inventors: Shih-Hao Lin, Tzu-Hsiang Hsu, Chong-De Lien, Szu-Chi Yang, Hsin-Wen Su, Chih-Hsiang Huang
  • Patent number: 11495681
    Abstract: A semiconductor device includes a semiconductor substrate, a recess, a first gate oxide layer, and a gate structure. The semiconductor substrate includes a first region and a second region adjacent to the first region. The recess is disposed in the first region of the semiconductor substrate, and an edge of the recess is located at an interface between the first region and the second region. At least a part of the first gate oxide layer is disposed in the recess. The first gate oxide layer includes a hump portion disposed adjacent to the edge of the recess, and a height of the hump portion is less than a depth of the recess. The gate structure is disposed on the first region and the second region of the semiconductor substrate, and the gate structure overlaps the hump portion of the first gate oxide layer in a vertical direction.
    Type: Grant
    Filed: October 12, 2020
    Date of Patent: November 8, 2022
    Assignee: UNITED MICROELECTRONICS CORP.
    Inventors: Chang-Po Hsiung, Ching-Chung Yang, Shan-Shi Huang, Shin-Hung Li, Nien-Chung Li, Wen-Fang Lee, Chiu-Te Lee, Chih-Kai Hsu, Chun-Ya Chiu, Chin-Hung Chen, Chia-Jung Hsu, Ssu-I Fu, Yu-Hsiang Lin
  • Publication number: 20220352180
    Abstract: A method comprises forming a first fin including alternating first channel layers and first sacrificial layers and a second fin including alternating second channel layers and second sacrificial layers, forming a capping layer over the first and the second fin, forming a dummy gate stack over the capping layer, forming source/drain (S/D) features in the first and the second fin, removing the dummy gate stack to form a gate trench, removing the first sacrificial layers and the capping layer over the first fin to form first gaps, removing the capping layer over the second fin and portions of the second sacrificial layers to from second gaps, where remaining portions of the second sacrificial layers and the capping layers form a threshold voltage (Vt) modulation layer, and forming a metal gate stack in the gate trench, the first gaps, and the second gaps.
    Type: Application
    Filed: September 1, 2021
    Publication date: November 3, 2022
    Inventors: Shih-Hao Lin, Chih-Hsiang Huang, Shang-Rong Li, Chih-Chuan Yang, Jui-Lin Chen, Ming-Shuan Li
  • Patent number: 11483541
    Abstract: A stereoscopic image display device capable of reducing grid visual effect includes a flat display unit, a light source unit disposed on a side of the flat display unit, and a lens array unit disposed on another side of the flat display unit. A light source provided by the light source unit satisfies an optical characteristic as follows: an attenuation amplitude of a luminance of the light source before entering the lens array unit being not greater than 65% within a divergence angle of a light field system of the stereoscopic image display device, thereby reducing the grid visual effect of a stereo image generated by the stereoscopic image display device.
    Type: Grant
    Filed: August 17, 2021
    Date of Patent: October 25, 2022
    Assignee: Lixel Inc.
    Inventors: Chun-Hsiang Yang, Chih-Hung Ting, Kai-Chieh Chang, Hsin-You Hou, Wei-An Chen, Kuan-Yu Chen, Chih-Wei Shih
  • Publication number: 20220317408
    Abstract: An optical system affixed to an electronic apparatus is provided, including a first optical module, a second optical module, and a third optical module. The first optical module is configured to adjust the moving direction of a first light from a first moving direction to a second moving direction, wherein the first moving direction is not parallel to the second moving direction. The second optical module is configured to receive the first light moving in the second moving direction. The first light reaches the third optical module via the first optical module and the second optical module in sequence. The third optical module includes a first photoelectric converter configured to transform the first light into a first image signal.
    Type: Application
    Filed: June 21, 2022
    Publication date: October 6, 2022
    Inventors: Chao-Chang HU, Chih-Wei WENG, Chia-Che WU, Chien-Yu KAO, Hsiao-Hsin HU, He-Ling CHANG, Chao-Hsi WANG, Chen-Hsien FAN, Che-Wei CHANG, Mao-Gen JIAN, Sung-Mao TSAI, Wei-Jhe SHEN, Yung-Ping YANG, Sin-Hong LIN, Tzu-Yu CHANG, Sin-Jhong SONG, Shang-Yu HSU, Meng-Ting LIN, Shih-Wei HUNG, Yu-Huai LIAO, Mao-Kuo HSU, Hsueh-Ju LU, Ching-Chieh HUANG, Chih-Wen CHIANG, Yu-Chiao LO, Ying-Jen WANG, Shu-Shan CHEN, Che-Hsiang CHIU
  • Publication number: 20220321863
    Abstract: A stereoscopic image display device is provided and includes a flat panel display unit, a lens array unit, and a spacer unit. The flat panel display unit has a display surface. The lens array unit includes at least one condenser lens, which is disposed on a side of the display surface. The spacer unit is disposed between the display surface and the condenser lens, such that the lens array unit and the flat panel display unit are spaced apart from each other.
    Type: Application
    Filed: July 8, 2021
    Publication date: October 6, 2022
    Inventors: CHUN-HSIANG YANG, CHIH-HUNG TING, KAI-CHIEH CHANG, HSIN-YOU HOU, KUAN-YU CHEN
  • Publication number: 20220317465
    Abstract: A method for rendering data of a three-dimensional image adapted to an eye position and a display system are provided. The method is used to render the three-dimensional image to be displayed in a three-dimensional space. In the method, a three-dimensional image data used to describe the three-dimensional image is obtained. The eye position of a user is detected. The ray-tracing information between the eye position and each lens unit of a multi-optical element module forms a region of visibility (RoV) that may cover a portion of the three-dimensional image in the three-dimensional space. When coordinating the physical characteristics of a display panel and the multi-optical element module, a plurality of elemental images can be obtained. The elemental images form an integral image that records the three-dimensional image data adapted to the eye position, and the integral image is used to reconstruct the three-dimensional image.
    Type: Application
    Filed: July 8, 2021
    Publication date: October 6, 2022
    Inventors: CHUN-HSIANG YANG, CHIH-HUNG TING, KAI-CHIEH CHANG, HSIN-YOU HOU, CHIH-WEI SHIH, WEI-AN CHEN, KUAN-YU CHEN
  • Patent number: 11448898
    Abstract: A floating image system is provided. The floating image system includes a controller, a first floating image display device electrically connected to the controller, and a second floating image display device electrically connected to the controller. The second floating display device is detachably connected to the first floating image display device. The first floating image display device and the second floating image display device provide a plurality of first floating images and a plurality of second floating images, respectively, so as to jointly display an integrated floating image.
    Type: Grant
    Filed: April 13, 2021
    Date of Patent: September 20, 2022
    Assignee: Lixel Inc.
    Inventors: Chun-Hsiang Yang, Chih-Hung Ting, Kai-Chieh Chang
  • Patent number: 11443679
    Abstract: A display device and a display method are provided. The display device includes a board, a sensing circuit, and a feedback control circuit. The board includes a display array formed by a plurality of pixels. The sensing circuit includes a test pixel and a light sensor. The light sensor receives light emitted by the test pixel to generate a corresponding sensing signal. The feedback control circuit receives the sensing signal and generates a pulse width adjusting signal to adjust a pulse width at which the pixels are operated for display.
    Type: Grant
    Filed: August 12, 2021
    Date of Patent: September 13, 2022
    Assignee: Au Optronics Corporation
    Inventors: Pei-Fen Lai, Hung-Chi Wang, Ya-Fang Chen, Chih-Hsiang Yang
  • Publication number: 20220284845
    Abstract: A display device and a display method are provided. The display device includes a board, a sensing circuit, and a feedback control circuit. The board includes a display array formed by a plurality of pixels. The sensing circuit includes a test pixel and a light sensor. The light sensor receives light emitted by the test pixel to generate a corresponding sensing signal. The feedback control circuit receives the sensing signal and generates a pulse width adjusting signal to adjust a pulse width at which the pixels are operated for display.
    Type: Application
    Filed: August 12, 2021
    Publication date: September 8, 2022
    Applicant: Au Optronics Corporation
    Inventors: Pei-Fen Lai, Hung-Chi Wang, Ya-Fang Chen, Chih-Hsiang Yang
  • Patent number: 11437516
    Abstract: A semiconductor structure includes a gate structure disposed over a substrate, and a plurality of source/drain features disposed on the substrate and interposed by the gate structure. Each of the source/drain features includes a first doped source/drain region extended away from the substrate, and a second doped source/drain region disposed on top and side surfaces of the first doped source/drain region, in which a phosphorus doping concentration of the first doped source/drain region is lower than a doping concentration of the second doped source/drain region.
    Type: Grant
    Filed: December 16, 2016
    Date of Patent: September 6, 2022
    Assignee: TAIWAN SEMICONDUCTOR MANUFACTURING CO., LTD.
    Inventors: Szu-Chi Yang, Chih-Hsiang Huang
  • Publication number: 20220270541
    Abstract: A display apparatus is disclosed. The display apparatus includes a LED module, a driving module and a control module. The driving module is coupled between the LED module and the control module. The LED module includes a plurality of package units. Each package unit includes a plurality of LEDs and at least one functional circuit. The driving module includes a conversion unit for receiving a first signal from the at least one functional circuit and converting it into a second signal. The control module controls the driving module to correspondingly change the operation of the LED module according to the second signal.
    Type: Application
    Filed: August 13, 2021
    Publication date: August 25, 2022
    Inventors: Pei-Fen Lai, Hung-Chi Wang, Ya-Fang Chen, Chih-Hsiang Yang
  • Publication number: 20220262300
    Abstract: A driving circuit for a display panel and including a receiving interface, a timing controller, a pulse width modulation controller and a line latch is disclosed. The receiving interface is configured to receive a first input signal, a second input signal and a link signal to generate a plurality of display data accordingly, wherein the first input signal and the second input signal are a pair of differential signals. The timing controller is configured to interpret the first input signal, the second input signal and the link signal to generate a trigger signal. The pulse width modulation controller is configured to perform pulse width modulation to generate a first output signal and a second output signal. The line latch is configured to hold the first and second output signals, and output the first and second output signals according to the trigger signal to drive the display panel.
    Type: Application
    Filed: October 29, 2021
    Publication date: August 18, 2022
    Inventors: Chih-Hao HUNG, Hung-Chi WANG, Ya-Fang CHEN, Chih-Hsiang YANG
  • Patent number: 11416110
    Abstract: An interactive system is provided. The interactive system includes an electronic device, a first image display device and a second image display device. The electronic device transmits a first image information to the first image display device for display. The electronic device transmits a second image information to the second image display device for display. Through the second image display device, a three-dimensional second image information is displayed in a space on one side of the second image display device. The three-dimensional second image information at least interacts with an object.
    Type: Grant
    Filed: March 17, 2021
    Date of Patent: August 16, 2022
    Assignee: LIXEL INC.
    Inventors: Chun-Hsiang Yang, Chih-Hung Ting, Kai-Chieh Chang, Der-Jang Yu, Wen-Chi Lin
  • Publication number: 20220238768
    Abstract: A display apparatus including a circuit substrate, a plurality of light-emitting elements, an optical film, and an adhesive layer is provided. These light-emitting elements are electrically bonded to the circuit substrate. The optical film overlaps the light-emitting elements. The light-emitting elements are disposed between the optical film and the circuit substrate. The adhesive layer is disposed between the optical film and the circuit substrate, and connects the light-emitting elements and the optical film. A cavity is provided between the light-emitting elements, the circuit substrate, and the adhesive layer.
    Type: Application
    Filed: July 15, 2021
    Publication date: July 28, 2022
    Applicant: Au Optronics Corporation
    Inventors: Chih-Wei Chien, Chih-Hsiang Yang, Shau-Yu Tsai, Cheng-Chuan Chen, Chih-Ling Hsueh