Patents by Inventor Cheng-Yu Tsai

Cheng-Yu Tsai 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: 20240264410
    Abstract: A photographing system lens assembly includes eight lens elements, the eight lens elements being, in order from an object side to an image side, a first lens element, a second lens element, a third lens element, a fourth lens element, a fifth lens element, a sixth lens element, a seventh lens element and an eighth lens element. Each of the eight lens elements has an object-side surface towards the object side and an image-side surface towards the image side.
    Type: Application
    Filed: February 5, 2024
    Publication date: August 8, 2024
    Inventors: Kuan-Ting YEH, Cheng-Yu TSAI
  • Publication number: 20240194858
    Abstract: A composition includes an active composition. The active composition includes a niobium-titanium oxide and a silicon active material, or includes a doped niobium-titanium oxide and the silicon active material. The niobium-titanium oxide includes niobium element, titanium element and oxygen element. The doped niobium-titanium oxide includes niobium element, titanium element and oxygen element.
    Type: Application
    Filed: December 6, 2023
    Publication date: June 13, 2024
    Inventors: Po-Tsun CHEN, Shih Yu HUANG, Cheng-Yu TSAI, Chun-Hung TENG
  • Publication number: 20240126045
    Abstract: An imaging system lens assembly includes, in order from an object side to an image side: a first lens element, a second lens element, a third lens element and a fourth lens element. Each of the four lens elements has an object-side surface facing toward the object side and an image-side surface facing toward the image side. The second lens element has positive refractive power. The object-side surface of the third lens element is convex in a paraxial region thereof.
    Type: Application
    Filed: November 25, 2022
    Publication date: April 18, 2024
    Applicant: LARGAN PRECISION CO., LTD.
    Inventors: Kuan-Ting YEH, Cheng-Yu TSAI
  • Publication number: 20240118462
    Abstract: A bokeh filter membrane, which is disposed on a surface of a substrate, includes a gradient thickness absorbing membrane and an anti-reflection membrane. The anti-reflection membrane includes a high-and-low refraction membrane and a gradient refraction membrane. A transmittance of the substrate at a center thereof is greater than a transmittance of the substrate at a peripheral region thereof. The high-and-low refraction membrane includes a first high-and-low refraction membrane and a second high-and-low refraction membrane, the gradient thickness absorbing membrane is farther away from the substrate than the first high-and-low refraction membrane, the second high-and-low refraction membrane is farther away from the substrate than the gradient thickness absorbing membrane, and the gradient refraction membrane is farther away from the substrate than the second high-and-low refraction membrane. The gradient refraction membrane includes a plurality of pores.
    Type: Application
    Filed: October 4, 2023
    Publication date: April 11, 2024
    Inventors: Wen-Yu TSAI, Cheng-Yu TSAI, Chun-Hung TENG
  • Publication number: 20240118526
    Abstract: An imaging system lens assembly includes a first lens group and a second lens group. The first lens group includes a first catadioptric lens element and a second catadioptric lens element, the second lens group includes at least one lens element. Each of an object-side surface and an image-side surface of the first catadioptric lens element and the second catadioptric lens element includes a central region and a peripheral region. The peripheral region of the object-side surface of the first catadioptric lens element includes a first refracting surface. The peripheral region of the image-side surface of the second catadioptric lens element includes a first reflecting surface. The central region of the object-side surface of the first catadioptric lens element includes a second reflecting surface. The central region of the image-side surface of the second catadioptric lens element includes a last refracting surface.
    Type: Application
    Filed: September 26, 2023
    Publication date: April 11, 2024
    Inventors: Shih-Han CHEN, Cheng-Yu TSAI, Hsin-Hsuan HUANG
  • Publication number: 20240111138
    Abstract: A catadioptric optical membrane, which is disposed on a surface of a substrate, includes a reflection membrane and a matting membrane. The reflection membrane is disposed on an effective optical path area of the substrate and includes a reflection metal membrane and a reflection oxidation membrane. The reflection oxidation membrane includes a first reflection oxidation membrane and a second reflection oxidation membrane. The reflection metal membrane is farther away from the substrate than the first reflection oxidation membrane. The second reflection oxidation membrane is farther away from the substrate than the reflection metal membrane. The matting membrane is disposed on a non-effective optical path area of the substrate. The matting membrane includes a deep-color membrane and a first anti-reflection membrane. The deep-color membrane includes a deep-color metal membrane and a deep-color oxidation membrane. The deep-color membrane is farther away from the substrate than the first anti-reflection membrane.
    Type: Application
    Filed: September 27, 2023
    Publication date: April 4, 2024
    Inventors: Wen-Yu TSAI, Shih-Han CHEN, Chun-Yen CHEN, Cheng-Yu TSAI, Chun-Hung TENG
  • Publication number: 20240063975
    Abstract: A dynamic adjustment method for RS reception is provided. The dynamic adjustment method for RS reception includes the following steps. A processor of an apparatus may detect at least one channel condition to generate a detection result. Then, the processor may determine an RS reception scheduling based on the detection result. Then, the processor may perform an RS reception based on the RS reception scheduling to receive RSs from a network node.
    Type: Application
    Filed: August 8, 2023
    Publication date: February 22, 2024
    Inventors: Hsien-Wen HU, Qian-Zhi HUANG, Ying-Hsuan SU, Teng-Yuan CHANG, Cheng-Yu TSAI
  • Publication number: 20240012223
    Abstract: A photographing optical lens assembly includes five lens elements which are, in order from an object side to an image side along an optical path: a first lens element, a second lens element, a third lens element, a fourth lens element and a fifth lens element. The first lens element has positive refractive power. The second lens element has negative refractive power. When specific conditions are satisfied, the requirements of compact size and high image quality can be met by the photographing optical lens assembly, simultaneously.
    Type: Application
    Filed: August 31, 2022
    Publication date: January 11, 2024
    Applicant: LARGAN PRECISION CO., LTD.
    Inventors: Yu Jui LIN, Yu-Tai TSENG, Wei-Xiang FU, Cheng-Yu TSAI, Hsin-Hsuan HUANG
  • Publication number: 20230413085
    Abstract: Apparatus and methods are provided for determining UE appropriate states by traffic type detection. In one novel aspect, a UE traffic type is determined based on a plurality of UE metrics. One or more UE settings for transmission and/or reception are adjusted based on the determined UE traffic type. The UE traffic type determination procedure and UE configuration adjustment procedure are iterated to balance performance and power saving. In one embodiment, the UE collects a plurality of UE metrics for a UE traffic profile matrix, wherein the UE traffic profile matrix is used to determine a plurality of UE traffic types based on the plurality of UE metrics. The UE determines a real-time UE traffic type based on the collected UE metrics using the UE traffic profile matrix and adjusts a set of UE configurations based on the UE traffic type when one or more predefined conditions are met.
    Type: Application
    Filed: August 7, 2023
    Publication date: December 21, 2023
    Inventors: Zhen Zou, Jianwei Zhang, Nien-En Wu, Po-Chung Hsiao, Chih-Wei Chen Chen, Jun Hu, Cheng-Yu Tsai, HSIEN-WEN HU
  • Publication number: 20230413073
    Abstract: Apparatus and methods are provided for determining AR filter coefficient and numbers of synchronization. In one novel aspect, the AR filter coefficient and times of synchronization are determined based on the temperatures of the oscillator. In one embodiment, the UE determines a temperature drift rate by collecting sets of temperatures before and after the UE in the sleep mode of the CDRX, generates one or more threshold look-up tables and performs an optimization selection based on the temperature drift rate and the one or more threshold of look-up tables, wherein the optimization selection comprising selecting an alpha coefficient and a number of subframes for synchronization. In another embodiment, the optimization selection is further determined based on a subcarrier spacing, and a channel type of being a static channel type and a fading channel type. The UE further performs an on-the-fly oscillator S-curve calibration based on the set of temperatures.
    Type: Application
    Filed: June 17, 2023
    Publication date: December 21, 2023
    Inventors: YUAN YUAN, Jianwei Zhang, Jun Hu, Nien-En Wu, PENG YANG, Kuan-Lin Chen, Yen-Chen Chen, Cheng-Yu Tsai, Zhi Zheng
  • Publication number: 20230413594
    Abstract: A pixel array package structure includes: a substrate; a pixel array disposed on the substrate, in which the pixel array includes a plurality of light emitting diode chips, and the light emitting diode chips include at least one red diode chip, at least one green diode chip, at least one blue diode chip, and a combination thereof; a reflective layer disposed on the substrate and between any two adjacent of the light emitting diode chips; a light-absorbing layer disposed on the reflective layer and surrounding the pixel array; and a light-transmitting layer disposed on the pixel array, the reflective layer, and the light-absorbing layer, in which the light-transmitting layer has an upper surface and a lower surface opposite thereto, and the lower surface is in contact with the pixel array, and the upper surface has a roughness of 0.005 mm to 0.1 mm.
    Type: Application
    Filed: September 4, 2023
    Publication date: December 21, 2023
    Inventors: Hui-Ru WU, Jian-Chin LIANG, Jo-Hsiang CHEN, Lung-Kuan LAI, Cheng-Yu TSAI, Hsin-Lun SU, Ting-Kai CHEN
  • Publication number: 20230402587
    Abstract: A battery material is a core-shell structure, and the core-shell structure includes a core and a shell. The shell surrounds the core. A composition of the core is a silicon material. The shell includes a polymer, the polymer is linear, the polymer includes a first structure and a second structure, the first structure includes a siloxane group, and the second structure includes a carboxyl group or an ester group. The first structure is more adjacent to the core than the second structure.
    Type: Application
    Filed: June 5, 2023
    Publication date: December 14, 2023
    Inventors: Wei-Yuan CHEN, Po-Tsun CHEN, Tzu Lien WANG, Shih Yu HUANG, Cheng-Yu TSAI, Chun-Hung TENG
  • Patent number: 11839490
    Abstract: An apparatus is disclosed for determining validity of a measured in-blood percentage of oxygenated hemoglobin. The apparatus has multiple pulse oximetry channels having at least three light sources of at least three distinct wavelengths, which are detected and converted to digital signals. The light sources are selectively activated, and two or more estimated in-blood percentages of oxygenated hemoglobin are calculated. It is determined whether a signal quality associated with the calculated in-blood percentages exceeds a predetermined accuracy threshold, and an associated validity indication is provided.
    Type: Grant
    Filed: November 6, 2020
    Date of Patent: December 12, 2023
    Assignee: Garmin International, Inc.
    Inventors: Cheng-Yu Tsai, Dong-Yi Wu, Wei-Che Chang
  • Publication number: 20230375808
    Abstract: An imaging system lens assembly includes five lens elements, the five lens elements are, in order from an object side to an image side along an optical path: a first lens element, a second lens element, a third lens element, a fourth lens element and a fifth lens element. Each of the five lens elements has an object-side surface towards the object side and an image-side surface towards the image side. The first lens element has positive refractive power, the object-side surface of the first lens element is convex in a paraxial region thereof.
    Type: Application
    Filed: March 31, 2023
    Publication date: November 23, 2023
    Inventors: Hsin-Hsuan HUANG, Cheng-Yu TSAI
  • Publication number: 20230314768
    Abstract: An imaging system lens assembly includes four lens elements, the four lens elements are, in order from an object side to an image side along an optical path: a first lens element, a second lens element, a third lens element and a fourth lens element. Each of the four lens elements has an object-side surface towards the object side and an image-side surface towards the image side. The second lens element has negative refractive power, the object-side surface of the second lens element is concave in a paraxial region thereof. The object-side surface of the third lens element is convex in a paraxial region thereof, the image-side surface of the third lens element is concave in a paraxial region thereof.
    Type: Application
    Filed: February 13, 2023
    Publication date: October 5, 2023
    Inventors: Yi-Hsiang CHUANG, Hsin-Hsuan HUANG, Cheng-Yu TSAI
  • Patent number: 11778845
    Abstract: A pixel array package structure includes: a substrate; a pixel array disposed on the substrate, in which the pixel array includes a plurality of light emitting diode chips, and the light emitting diode chips include at least one red diode chip, at least one green diode chip, at least one blue diode chip, and a combination thereof; a reflective layer disposed on the substrate and between any two adjacent of the light emitting diode chips; a light-absorbing layer disposed on the reflective layer and surrounding the pixel array; and a light-transmitting layer disposed on the pixel array, the reflective layer, and the light-absorbing layer, in which the light-transmitting layer has an upper surface and a lower surface opposite thereto, and the lower surface is in contact with the pixel array, and the upper surface has a roughness of 0.005 mm to 0.1 mm.
    Type: Grant
    Filed: May 15, 2022
    Date of Patent: October 3, 2023
    Assignee: Lextar Electronics Corporation
    Inventors: Hui-Ru Wu, Jian-Chin Liang, Jo-Hsiang Chen, Lung-Kuan Lai, Cheng-Yu Tsai, Hsin-Lun Su, Ting-Kai Chen
  • Publication number: 20230305200
    Abstract: An optical lens assembly includes at least one optical lens element and at least one optical element. At least one surface of the at least one optical lens element or the at least one optical element includes a low reflection layer, and the low reflection layer includes a rough layer, a nanocrystalline particle and a hydrophobic layer. The nanocrystalline particle is disposed between the rough layer and the hydrophobic layer, and the hydrophobic layer is farther away from the surface of the at least one optical lens element or the at least one optical element than the nanocrystalline particle. A material of the nanocrystalline particle at least includes SiO2.
    Type: Application
    Filed: March 22, 2023
    Publication date: September 28, 2023
    Inventors: Wen-Yu TSAI, Cheng-Yu TSAI, Chun-Hung TENG
  • Publication number: 20230238576
    Abstract: A polymer, which is a composition of a battery, is polymerized by a polymeric precursor, and the polymeric precursor includes at least two or at least three monomers. Each of the monomers is a lactone, a lactone cyclic ester or a carbonate ester. The polymer includes a polyester, and the polyester is a straight chain.
    Type: Application
    Filed: January 18, 2023
    Publication date: July 27, 2023
    Inventors: Wei-Yuan CHEN, Po-Tsun CHEN, Rih-Sian CHEN, Yi-Rou LU, Cheng-Yu TSAI, Chun-Hung TENG
  • Publication number: 20230228973
    Abstract: An imaging optical system lens assembly includes six lens elements, which is, in order from an object side to an image side along an optical path, a first lens element, a second lens element, a third lens element, a fourth lens element, a fifth lens element and a sixth lens element. The first lens element has negative refractive power, the object-side surface of the first lens element is concave in a paraxial region thereof, the image-side surface of the first lens element is convex in a paraxial region thereof. The second lens element has positive refractive power, the object-side surface of the second lens element is convex in a paraxial region thereof, the image-side surface of the second lens element is concave in a paraxial region thereof. The fifth lens element has positive refractive power.
    Type: Application
    Filed: December 2, 2022
    Publication date: July 20, 2023
    Inventors: Kuan-Ting YEH, Meng-Kuan CHO, Cheng-Yu TSAI
  • Publication number: 20230073044
    Abstract: An optical imaging lens assembly includes at least one optical lens element. The optical lens element includes an anti-reflective coating, and the anti-reflective coating is arranged on at least one surface of the optical lens element. The anti-reflective coating includes a high-low refractive coating and a gradient refractive coating, and the high-low refractive coating is arranged between the optical lens element and the gradient refractive coating. The high-low refractive coating includes at least one high refractive coating layer and at least one low refractive coating layer, which are stacked in alternations. The low refractive coating layer is in contact with the optical lens element. The gradient refractive coating includes a plurality of holes, and the holes away from the optical lens element are relatively larger than the holes close to the optical lens element.
    Type: Application
    Filed: August 18, 2022
    Publication date: March 9, 2023
    Inventors: Wen-Yu TSAI, Chien-Pang CHANG, Cheng-Yu TSAI, Chun-Hung TENG, Kuo-Chiang CHU