Patents by Inventor Yun Chung

Yun Chung 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: 11451733
    Abstract: An optoelectronic device is provided. The optoelectronic device includes a photodetector including a light-absorption region, 2N control contact layers electrically coupled to the light-absorption region, and 2N readout contact layers electrically coupled to the light-absorption region, wherein N is a positive integer larger than or equal to 2.
    Type: Grant
    Filed: May 28, 2020
    Date of Patent: September 20, 2022
    Assignee: Artilux, Inc.
    Inventors: Yun-Chung Na, Chien-Lung Chen, Ming-Jay Yang, Szu-Lin Cheng
  • Patent number: 11448830
    Abstract: A photo-detecting apparatus includes an optical-to-electric converter, having a first output terminal, configured to convert an incident light to an electrical signal; a cascode transistor, having a control terminal, a first channel terminal and a second channel terminal, wherein the second channel terminal of the cascode transistor is coupled to the first output terminal of the optical-to-electric converter; and a reset transistor, having a control terminal, a first channel terminal and a second channel terminal, wherein the first channel terminal of the reset transistor is coupled to a supply voltage and the second channel terminal of the reset transistor is coupled to the first channel terminal of the cascode transistor.
    Type: Grant
    Filed: December 6, 2019
    Date of Patent: September 20, 2022
    Assignee: Artilux, Inc.
    Inventors: Yun-Chung Na, Che-Fu Liang, Chien-Lung Chen, Yuan-Fu Lyu, Yen-Cheng Lu
  • Patent number: 11448818
    Abstract: A light source module includes a ring light guide, at least one light source, a reflector, and a diffuser. The ring light guide includes a ring body and at least one light incident portion. The ring light guide has a light exit surface and a bottom surface, which are two opposite ring surfaces of the ring body. The ring body has a plurality of optical structures disposed along the ring body. The at least one light incident portion is disposed on the ring body and protrudes from a lateral side of the ring body. The light incident portion has a light incident surface, wherein a plane where the light incident surface lies crosses a plane where the light exit surface lies.
    Type: Grant
    Filed: June 30, 2021
    Date of Patent: September 20, 2022
    Assignee: Qisda Corporation
    Inventors: Chi-Chun Wu, Chiao-Yun Chung
  • Publication number: 20220283634
    Abstract: The present exemplary embodiments provide a display mounting device, comprising: a driving motor which receives driving power and provides a rotational driving force; an arm unit which receives the rotational driving force and moves linearly in at least one zone, thereby becoming stretched or extended; and a display mount to which a display is fixed in order to mount the same and which moves the display in coordination with the stretching or extension of the arm unit.
    Type: Application
    Filed: May 26, 2022
    Publication date: September 8, 2022
    Inventors: Bo Ram HONG, Kwang Yun CHUNG, Jun Soo JEONG, Jae Hee CHOI
  • Publication number: 20220282826
    Abstract: The present exemplary embodiments provide a display mounting device, comprising: a driving motor which receives driving power and provides a rotational driving force; an arm unit which receives the rotational driving force and moves linearly in at least one zone, thereby becoming stretched or extended; and a display mount to which a display is fixed in order to mount the same and which moves the display in coordination with the stretching or extension of the arm unit.
    Type: Application
    Filed: May 26, 2022
    Publication date: September 8, 2022
    Inventors: Bo Ram HONG, Kwang Yun CHUNG, Jun Soo JEONG, Jae Hee CHOI
  • Publication number: 20220283605
    Abstract: The present exemplary embodiments provide a display mounting device, comprising: a driving motor which receives driving power and provides a rotational driving force; an arm unit which receives the rotational driving force and moves linearly in at least one zone, thereby becoming stretched or extended; and a display mount to which a display is fixed in order to mount the same and which moves the display in coordination with the stretching or extension of the arm unit.
    Type: Application
    Filed: May 26, 2022
    Publication date: September 8, 2022
    Inventors: Bo Ram HONG, Kwang Yun CHUNG, Jun Soo JEONG, Jae Hee CHOI
  • Publication number: 20220283048
    Abstract: Certain aspects relate to systems and techniques for detection of undesirable forces on one or more surgical robotic arms. In one aspect, there is provided a system including a robotic arm, including: two linkages, a joint, a torque sensor, and an instrument device manipulator (IDM). The system may further include a processor configured to measure a first torque value at the joint based on an output of the torque sensor and determine a second torque value at the joint based on a position of the robotic arm. The second torque value may be indicative of a gravitational component of the torque between the two linkages. The processor may be further configured to determine a force at the IDM based a difference between the first and second torque values and determine whether the robotic arm has collided with an object or misaligned based on the force at the IDM.
    Type: Application
    Filed: March 18, 2022
    Publication date: September 8, 2022
    Inventors: Jiayi LIN, Shu-Yun CHUNG
  • Publication number: 20220262835
    Abstract: A photo-detecting apparatus includes an absorption layer configured to absorb photons and to generate photo-carriers from the absorbed photons, wherein the absorption layer includes germanium. A carrier guiding unit is electrically coupled to the absorption layer, wherein the carrier guiding unit includes a first switch including a first gate terminal.
    Type: Application
    Filed: May 4, 2022
    Publication date: August 18, 2022
    Inventors: Chien-Yu Chen, Yun-Chung Na, Szu-Lin Cheng, Ming-Jay Yang, Han-Din Liu, Che-Fu Liang
  • Publication number: 20220262974
    Abstract: An optical sensing apparatus is provided. The optical sensing apparatus includes a semiconductor substrate composed of a first material; a transmitter-receiver set supported by the semiconductor substrate and including: (1) a photodetector includes an absorption region composed of a second material including germanium and configured to receive an optical signal and to generate photo-carriers in response to the optical signal; and (2) a light source including a light-emitting region composed of a third material including germanium and configured to emit a light toward a target; wherein the absorption region includes at least a property different from a property of the light-emitting region, wherein the property includes strain, conductivity type, peak doping concentration, or a ratio of the peak doping concentration to a peak doping concentration of the semiconductor substrate; wherein the first material is different from the second material and the third material.
    Type: Application
    Filed: March 4, 2022
    Publication date: August 18, 2022
    Inventors: Yen-Cheng Lu, Yun-Chung Na, Shu-Lu Chen, Yen-Ju Lin
  • Patent number: 11418739
    Abstract: An optical sensing apparatus includes an absorption region configured to receive an optical signal and to generate, in response to the optical signal, photo-generated electrons and photo-generated holes, a carrier steerer, and circuitry electrically coupled to the carrier steerer and a controller. The carrier steerer includes a first p-doped region, a first n-doped region electrically shorted with the first p-doped region, a first gate configured to control a flow of holes from the absorption region to the first p-doped region, and a second gate configured to control a flow of electrons from the absorption region to the first n-doped region.
    Type: Grant
    Filed: May 19, 2021
    Date of Patent: August 16, 2022
    Assignee: Artilux, Inc.
    Inventor: Yun-Chung Na
  • Publication number: 20220252725
    Abstract: Systems and methods for sensing objects are provided. An optical apparatus can include a transmitter configured to project on a surface of an object, a first optical pattern having a first set of characteristics and a second optical pattern having a second set of characteristics. The optical apparatus can include a receiver configured to receive first and second reflected optical patterns representing a reflection of the first optical pattern and the second optical pattern from the surface of the object, and generate first and second electrical signals representing the first and the second reflected optical patterns. The optical apparatus can include one or more processors configured to receive the first electrical signals and the second electrical signals, and determine one or more characteristics of the object, including range information of the object.
    Type: Application
    Filed: February 4, 2022
    Publication date: August 11, 2022
    Inventors: Hung-Chih Chang, Der-Song Lin, Yun-Chung Na
  • Patent number: 11412201
    Abstract: A photo-detecting apparatus includes an image sensor and a 3D image generator. The image sensor having a plurality of 3D photodetectors is configured to output a raw data. The 3D image generator having a storage medium for storing a calibration data is configured to output a 3D image according to the raw data and the calibration data. The calibration data includes at least one of an IQ-mismatch calibration data, a non-linearity calibration data, a temperature calibration data and an offset calibration data.
    Type: Grant
    Filed: September 25, 2020
    Date of Patent: August 9, 2022
    Assignee: ARTILUX, INC.
    Inventors: Pai-Chuan Wu, Pai-Ting Huang, Feng-Cheng Chu, Yun-Chung Na, Chien-Lung Chen
  • Publication number: 20220247151
    Abstract: A light emission system including a first sub-system. The first sub-system includes a storage inductor having a first inductor terminal coupled to a voltage source and a second inductor terminal; a storage capacitor having a first capacitor terminal coupled to the first terminal of the storage inductor, and a second capacitor terminal coupled to a reference voltage node; a switch having a control terminal coupled to a driver circuitry that sends a modulation signal to open or close the switch, a first channel terminal coupled to the second inductor terminal, and a second channel terminal coupled to the reference voltage node; and a load having N laser diodes coupled in series, where the N laser diodes include a first laser diode having a terminal coupled to the second inductor terminal, and an N-th laser diode having a terminal coupled to the reference voltage node.
    Type: Application
    Filed: April 21, 2022
    Publication date: August 4, 2022
    Inventors: Konstantin P. Petrov, Yun-Chung Na
  • Publication number: 20220202518
    Abstract: A medical device has been disclosed. The medical device includes a parallel manipulator. The parallel manipulator having an end platform coupled to a surgical tool and a base platform coupled to machine module. The machine module is coupled to the surgical tool through a transmission shaft disposed between the end platform and the base platform.
    Type: Application
    Filed: December 30, 2020
    Publication date: June 30, 2022
    Inventors: Yun-Chung LIN, Xiu-Yun XIAO, Ming-Chun HO
  • Publication number: 20220204772
    Abstract: A bioprintable material is provided. The bioprintable material includes a hydrogel and microfilaments mixed in the hydrogel. The hydrogel includes a first collagen. The microfilament includes a second collagen. The diameter of the microfilament is ranging from 5 microns to 200 microns. The weight ratio of the microfilaments to the first collagen is ranging from 0.01:1 to 10:1.
    Type: Application
    Filed: December 23, 2021
    Publication date: June 30, 2022
    Applicant: Industrial Technology Research Institute
    Inventors: Yun-Chung TENG, Jen-Huang HUANG, Ying-Wen SHEN, Yu-Bing LIOU, Hsin-Yi HSU, Li-Hsin LIN, Yuchi WANG, Hsin-Hsin SHEN
  • Publication number: 20220204936
    Abstract: A non-fibrous film of which the composition includes a collagen and a polyester polymer is provided. A content of the polyester polymer in the non-fibrous film is 1-60 wt %. Moreover, the non-fibrous film has a swelling rate of 1-200 ?m/hour or a swelling proportion per unit time of 0.1-2%/hour in an aqueous liquid.
    Type: Application
    Filed: September 15, 2021
    Publication date: June 30, 2022
    Applicant: Industrial Technology Research Institute
    Inventors: Yu-Bing LIOU, Chih-Ching LIAO, Hsin-Yi HSU, Ying-Wen SHEN, Yun-Chung TENG, Hsin-Hsin SHEN, Yi-Chen CHEN
  • Patent number: 11372483
    Abstract: Methods and devices for a display apparatus. In one aspect, a display apparatus includes a display device including a transparent layer, a display integrated circuit layer including one or more display control circuits, and a shielding layer between the transparent layer and the display integrated circuit layer, a near-infrared (NIR) light source and a visible light source, and a detector device including a detector integrated circuit layer including one or more detector control circuits, where a surface of the detector device contacts a surface of the display device, and a photodetector electrically coupled to at least one detector control circuit and including a detection region positioned to receive NIR light propagating from a front side of the display device to a back side of the display device along a path, where the shielding layer includes a filter region positioned in the path.
    Type: Grant
    Filed: September 17, 2021
    Date of Patent: June 28, 2022
    Assignee: Artilux, Inc.
    Inventors: Yun-Chung Na, Shu-Lu Chen
  • Publication number: 20220178753
    Abstract: Systems, apparatuses, and methods for multi-application optical sensing are provided. For example, an optical sensing apparatus can include a photodetector array, a first circuitry, and a second circuitry. The photodetector array includes a plurality of photodetectors, wherein a first subset of the plurality of photodetectors are configured as a first region for detecting a first optical signal, and a second subset of the plurality of photodetectors are configured as a second region for detecting a second optical signal. The first circuitry, coupled to the first region, is configured to perform a first function based on the first optical signal to output a first output result. The second circuitry, coupled to the second region, is configured to perform a second function based on the second optical signal to output a second output result.
    Type: Application
    Filed: September 9, 2021
    Publication date: June 9, 2022
    Inventors: Chih-Wei Yeh, Hung-Chih Chang, Yun-Chung Na, Tsung-Ting Wu, Shu-Lu Chen
  • Publication number: 20220181378
    Abstract: A photo-detecting apparatus is provided. The photo-detecting apparatus includes a carrier conducting layer having a first surface; an absorption region is doped with a first dopant having a first conductivity type and a first peak doping concentration, wherein the carrier conducting layer is doped with a second dopant having a second conductivity type and a second peak doping concentration, wherein the carrier conducting layer comprises a material different from a material of the absorption region, wherein the carrier conducting layer is in contact with the absorption region to form at least one heterointerface, wherein a ratio between the first peak doping concentration of the absorption region and the second peak doping concentration of the carrier conducting layer is equal to or greater than 10; and a first electrode and a second electrode both formed over the first surface of the carrier conducting layer.
    Type: Application
    Filed: August 27, 2020
    Publication date: June 9, 2022
    Inventors: Lu YEN-CHENG, Na YUN-CHUNG
  • Publication number: 20220173292
    Abstract: The present disclosure provides a semiconductor device.
    Type: Application
    Filed: November 29, 2021
    Publication date: June 2, 2022
    Inventors: Ching-Hsing SHEN, Wen-Luh LIAO, Chen OU, Shih-Chang LEE, Hui-Fang KAO, Yun-Chung CHOU