Patents by Inventor Yu Chun Lee

Yu Chun Lee 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: 20240150652
    Abstract: The disclosure relates to a quantum dot structure. The quantum dot structure includes a quantum dot and a cloud-like shell covering a portion of the quantum dot and having an irregular outer surface. The quantum dot includes: a core; a first shell discontinuously around a core surface of the core; and a second shell between the core and the first shell and encapsulating the core surface of the core, wherein the second shell has an irregular outer surface.
    Type: Application
    Filed: October 31, 2023
    Publication date: May 9, 2024
    Inventors: Pei Cong YAN, Chia-Chun HSIEH, Huei Ping WANG, Hung-Chun TONG, Yu-Chun LEE
  • Publication number: 20240155758
    Abstract: An electronic device is provided. The electronic device includes a first dielectric layer, an electronic element, an encapsulant, and a second dielectric layer. The first dielectric layer has a first coefficient of thermal expansion (CTE). The electronic element is disposed over the first dielectric layer. The encapsulant encapsulates the electronic element and has a second CTE. The second dielectric layer is disposed over the encapsulant and having a third CTE. The second CTE ranges between the first CTE and the third CTE.
    Type: Application
    Filed: November 4, 2022
    Publication date: May 9, 2024
    Applicant: Advanced Semiconductor Engineering, Inc.
    Inventors: Chien Lin CHANG CHIEN, Yuan-Chun TAI, Yu Hsin CHANG CHIEN, Chiu-Wen LEE, Chang Chi LEE
  • Publication number: 20240136482
    Abstract: A composite encapsulation material is provided, which includes (A) a polymer glue material and (B) a viscosity modifier. The viscosity modifier (B) has a functional group capable of forming non-covalent interaction with the polymer glue material (A). At room temperature, the ratio (log(?0)/log(?28 )) of the logarithm of the viscosity ((log(?0)) of the composite encapsulation material at the shear rate of 1×10?3 s?1 to the logarithm of the viscosity (log(??)) of the composite encapsulation material at the shear rate of 1×102 s?1 is 1.1-2.5.
    Type: Application
    Filed: October 23, 2023
    Publication date: April 25, 2024
    Inventors: Deng Kong SOH, Wen Wan TAI, Yu-Chun LEE
  • Patent number: 11967652
    Abstract: A sensor package structure includes a substrate, a sensor chip and a ring-shaped solder mask frame those are disposed on the substrate, a ring-shaped support disposed on a top side of the annular solder mask frame, and a light permeable member that is disposed on the ring-shaped support. The sensor chip is electrically coupled to the substrate. A top surface of the sensor chip has a sensing region, and the sensing region is spaced apart from an outer lateral side of the sensor chip by a distance less than 300 ?m. The ring-shaped solder mask frame surrounds and contacts the outer lateral side of the sensor chip. The light permeable member, the ring-shaped support, and the sensor chip jointly define an enclosed space.
    Type: Grant
    Filed: February 16, 2023
    Date of Patent: April 23, 2024
    Assignee: TONG HSING ELECTRONIC INDUSTRIES, LTD.
    Inventors: Fu-Chou Liu, Jui-Hung Hsu, Yu-Chiang Peng, Chien-Chen Lee, Ya-Han Chang, Li-Chun Hung
  • Publication number: 20240128414
    Abstract: A light-emitting device is provided. The light-emitting device includes a light-emitting unit and a light-conversion structure disposed on the light-emitting unit, wherein the light-conversion structure includes a quantum dot layer and an etching blocking layer disposed on one of the surfaces of the quantum dot layer.
    Type: Application
    Filed: October 6, 2023
    Publication date: April 18, 2024
    Inventors: Shiou-Yi KUO, Chin-Hung LUNG, Yu-Chun LEE, Hung-Chun TONG
  • Publication number: 20240124350
    Abstract: A quantum dot composite structure and a method for forming the same are provided. The quantum dot composite structure includes: a glass particle including a glass matrix and a plurality of quantum dots located in the glass matrix, wherein at least one of the plurality of quantum dots includes an exposed surface in the glass matrix; and an inorganic protective layer disposed on the glass particle and covering the exposed surface.
    Type: Application
    Filed: October 13, 2023
    Publication date: April 18, 2024
    Inventors: Ching LIU, Wen-Tse HUANG, Ru-Shi LIU, Pei Cong YAN, Chai-Chun HSIEH, Hung-Chun TONG, Yu-Chun LEE, Tzong-Liang TSAI
  • Patent number: 11961546
    Abstract: A reference circuit for generating a reference current includes a plurality of resistive elements including at least one magnetic tunnel junction (MTJ). A control circuit is coupled to a first terminal of the at least one MTJ and is configured to selectively flow current through the at least one MTJ in the forward and inverse direction to generate a reference current.
    Type: Grant
    Filed: August 2, 2021
    Date of Patent: April 16, 2024
    Assignee: Taiwan Semiconductor Manufacturing Company, Ltd.
    Inventors: Chia-Fu Lee, Hon-Jarn Lin, Po-Hao Lee, Ku-Feng Lin, Yi-Chun Shih, Yu-Der Chih
  • Publication number: 20240120419
    Abstract: A lateral diffusion metal-oxide semiconductor (LDMOS) device includes a first gate structure and a second gate structure extending along a first direction on a substrate, a first source region extending along the first direction on one side of the first gate structure, a second source region extending along the first direction on one side of the second gate structure, a drain region extending along the first direction between the first gate structure and the second gate structure, a guard ring surrounding the first gate structure and the second gate structure, and a shallow trench isolation (STI) surrounding the guard ring.
    Type: Application
    Filed: December 5, 2023
    Publication date: April 11, 2024
    Applicant: UNITED MICROELECTRONICS CORP.
    Inventors: Ling-Chun Chou, Yu-Hung Chang, Kun-Hsien Lee
  • Patent number: 11956541
    Abstract: A control method of a driving mechanism is provided, including: the driving mechanism provides a first electrical signal from a control assembly to the driving mechanism to move the movable portion into an initial position relative to the fixed portion, wherein the control assembly includes a control unit and a position sensing unit; the status signal of an inertia sensing unit is read; the control unit sends the status signal to the control unit to calculate a target position; the control unit provides a second electrical signal to the driving assembly according to the target position for driving the driving assembly; a position signal is sent from the position sensing unit to the control unit; the control unit provides a third electric signal to the driving assembly to drive the driving assembly according the position signal.
    Type: Grant
    Filed: January 26, 2023
    Date of Patent: April 9, 2024
    Assignee: TDK TAIWAN CORP.
    Inventors: Chao-Chang Hu, Chen-Hsien Fan, Sung-Mao Tsai, Yueh-Lin Lee, Yu-Chiao Lo, Mao-Kuo Hsu, Ching-Chieh Huan, Yi-Chun Cheng
  • Patent number: 11955441
    Abstract: An interconnect structure comprises a first dielectric layer, a first metal layer, a second dielectric layer, a metal via, and a second metal layer. The first dielectric layer is over a substrate. The first metal layer is over the first dielectric layer. The first metal layer comprises a first portion and a second portion spaced apart from the first portion. The second dielectric layer is over the first metal layer. The metal via has an upper portion in the second dielectric layer, a middle portion between the first and second portions of the first metal layer, and a lower portion in the first dielectric layer. The second metal layer is over the metal via. From a top view the second metal layer comprises a metal line having longitudinal sides respectively set back from opposite sides of the first portion of the first metal layer.
    Type: Grant
    Filed: March 28, 2022
    Date of Patent: April 9, 2024
    Assignee: TAIWAN SEMICONDUCTOR MANUFACTURING CO., LTD.
    Inventors: Jian-Hong Lin, Kuo-Yen Liu, Hsin-Chun Chang, Tzu-Li Lee, Yu-Ching Lee, Yih-Ching Wang
  • Publication number: 20240105839
    Abstract: A lateral diffusion metal-oxide semiconductor (LDMOS) device includes a first gate structure and a second gate structure extending along a first direction on a substrate, a first source region extending along the first direction on one side of the first gate structure, a second source region extending along the first direction on one side of the second gate structure, a drain region extending along the first direction between the first gate structure and the second gate structure, a guard ring surrounding the first gate structure and the second gate structure, and a shallow trench isolation (STI) surrounding the guard ring.
    Type: Application
    Filed: December 5, 2023
    Publication date: March 28, 2024
    Applicant: UNITED MICROELECTRONICS CORP.
    Inventors: Ling-Chun Chou, Yu-Hung Chang, Kun-Hsien Lee
  • Patent number: 11942750
    Abstract: A laser inspection system is provided. A laser source emits a laser with a first spectrum and the laser is transmitted by a first optical fiber. A gain optical fiber doped with special ions is connected to the first optical fiber, and a light detector is provided around the gain optical fiber. When the laser with the first spectrum passes through the gain optical fiber, the gain optical fiber absorbs part of the energy level of the laser with the first spectrum, so that the laser with the first spectrum is converted to generate light with a second spectrum based on the frequency conversion phenomenon. The light detector detects the intensity of the light with the second spectrum, so that the power of the laser source can be obtained.
    Type: Grant
    Filed: November 23, 2020
    Date of Patent: March 26, 2024
    Assignee: INDUSTRIAL TECHNOLOGY RESEARCH INSTITUTE
    Inventors: Yi-Chi Lee, Hsin-Chia Su, Shih-Ting Lin, Yu-Cheng Song, Fu-Shun Ho, Chih-Chun Chen
  • Patent number: 11923036
    Abstract: A memory device, such as an MRAM memory, includes a memory array with a plurality of bit cells. The memory array is configured to store trimming information and store user data. A sense amplifier is configured to read the trimming information from the memory array, and a trimming register is configured to receive the trimming information from the sense amplifier. The sense amplifier is configured to receive the trimming information from the trimming register so as to operate in a trimmed mode for reading the user data from the memory array.
    Type: Grant
    Filed: February 13, 2023
    Date of Patent: March 5, 2024
    Assignee: Taiwan Semiconductor Manufacturing Company, Ltd.
    Inventors: Yi-Chun Shih, Chia-Fu Lee, Yu-Der Chih
  • Patent number: 11879084
    Abstract: In the present disclosure embodiments, a phosphate phosphor including an activation center of trivalent chromium and a light emitting device are provided. The light emitting device includes a light source and the above mentioned phosphate phosphor, such that the phosphate phosphor is excited by the light source and emits a wide spectrum of the infrared light. The light emitting device with wide emission spectrum of the infrared light may be widely applied in detecting devices.
    Type: Grant
    Filed: November 25, 2020
    Date of Patent: January 23, 2024
    Assignee: Lextar Electronics Corporation
    Inventors: Chun-Che Lin, Chun-Han Lu, Yi-Ting Tsai, Yu-Chun Lee, Tzong-Liang Tsai
  • Publication number: 20230279291
    Abstract: A quantum dot is disclosed. The quantum dot includes: a core, a first shell, and a second shell. The first shell is discontinuously distributed around the core surface. The second shell is between the core and the first shell and encapsulates the core. The second shell has an irregularly shaped outer surface.
    Type: Application
    Filed: July 29, 2022
    Publication date: September 7, 2023
    Inventors: Pei Cong YAN, Chai Chun HSIEH, Huei Ping WANG, Hung-Chun TONG, Yu-Chun LEE
  • Publication number: 20230260979
    Abstract: A pixel package is provided. The pixel package includes a flexible redistribution layer and a plurality of LED chips arranged on the surface of the flexible redistribution layer in a flip-chip manner. The pixel package also includes a plurality of light-adjusting layers respectively disposed on the LED chips. The pixel package further includes a plurality of flexible composite laminates disposed on the surface of the flexible redistribution layer and between the LED chips.
    Type: Application
    Filed: May 9, 2022
    Publication date: August 17, 2023
    Inventors: Fu-Hsin CHEN, Yu-Chun LEE, Cheng-Ta KUO, Jian-Chin LIANG, Tzong-Liang TSAI, Shiou-Yi KUO, Chien-Nan YEH
  • Patent number: 11652193
    Abstract: A light-emitting diode device is provided. First and second green conversion materials are respectively configured to convert a blue light emitted from a blue light-emitting diode to generate a first green light with a first wavelength range and a first wavelength FWHM, and a second green light with a second wavelength range and a second wavelength FWHM. The second wavelength FWHM is smaller than the first wavelength FWHM. A lower bound of the first wavelength range is smaller than a lower bound of the second wavelength range, and an upper bound of the second wavelength range is greater than an upper bound of the first wavelength range. An output light emitted from the light-emitting diode device has a spectral characteristic of less than 50% of TÜV Rheinland and more than 90% of wide color gamut.
    Type: Grant
    Filed: October 29, 2020
    Date of Patent: May 16, 2023
    Assignee: Lextar Electronics Corporation
    Inventors: Yi-Ting Tsai, Hung-Chia Wang, Chia-Chun Hsieh, Hung-Chun Tong, Yu-Chun Lee, Tzong-Liang Tsai
  • Patent number: 11588078
    Abstract: A light emitting device includes an LED die and a wavelength conversion layer. The LED die has a light emitting top surface and light emitting side surfaces. The wavelength conversion layer contains quantum dots and a photosensitive material, and is located on the light emitting top surface. A light emitting module including multiple light emitting devices is also disclosed.
    Type: Grant
    Filed: July 17, 2020
    Date of Patent: February 21, 2023
    Assignee: Lextar Electronics Corporation
    Inventors: Shiou-Yi Kuo, Jian-Chin Liang, Yu-Chun Lee, Fu-Hsin Chen, Chih-Hao Lin
  • Patent number: 11476133
    Abstract: A picking apparatus is configured to pick up a plurality of micro elements. The picking apparatus includes an elastic plate, a substrate, a temperature-controlled adhesive layer, at least one heating element and a power source. The elastic plate has a first surface and a second surface opposite to each other. The substrate is disposed on the first surface. The temperature-controlled adhesive layer is disposed on the second surface and configured to adhere the micro elements. The heating element is disposed between the second surface and the temperature-controlled adhesive layer. The power source is electrically connected with the heating element. A viscosity of the temperature-controlled adhesive layer varies with a temperature of the temperature-controlled adhesive layer.
    Type: Grant
    Filed: November 25, 2019
    Date of Patent: October 18, 2022
    Assignee: Lextar Electronics Corporation
    Inventors: Fu-Hsin Chen, Yu-Chun Lee
  • Patent number: 11469352
    Abstract: A display device includes a substrate, a plurality of white light-emitting units, and a color filter layer. The white light-emitting units are arranged on the substrate at intervals, and the white light-emitting units are chip scale package (CSP). The color filter layer is above the white light-emitting units. Each of the white light-emitting units includes a light-emitting diode chip and a wavelength conversion film. The wavelength conversion film directly covers a top surface and side surfaces of the light-emitting diode chip, and the wavelength conversion film converts light emitted by the light-emitting diode chip into white light.
    Type: Grant
    Filed: November 28, 2019
    Date of Patent: October 11, 2022
    Assignee: Lextar Electronics Corporation
    Inventors: Fu-Hsin Chen, Yu-Chun Lee, Hung-Chun Tong, Tzong-Liang Tsai