Patents by Inventor CHUNG-WU LIU

CHUNG-WU LIU 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: 20250138329
    Abstract: A lens assembly and AR glasses, including a lens, a sensing assembly, and one or more conducting assemblies. The sensing assembly is arranged on a first side of the lens. The conducting assemblies are arranged on the first side of the lens. Each conducting assembly comprises a transparent conductive layer, and a metal mesh layer. Wherein, the transparent conductive layer is placed on the first side of the lens. The metal mesh layer is placed on a side of the transparent conductive layer away from the lens. The metal mesh layer comprises a plurality of metal wires arranged at intervals. The plurality of the metal wires are electrically connected to the sensing assembly. The AR glasses includes a frame, and the lens assembly. The lens assembly is mounted on the frame.
    Type: Application
    Filed: June 26, 2024
    Publication date: May 1, 2025
    Inventors: Shiue-Lung CHEN, Chang-Ho CHEN, I-Ming CHENG, Chung-Wu LIU, Chien-Cheng KUO
  • Patent number: 12287478
    Abstract: A lens assembly and Augmented Reality (AR) glasses, including a waveguide substrate, a wiring layer, a protective layer, an eye tracking component, and a lens. The waveguide substrate includes a first surface. The wiring layer is disposed on the first surface. The protective layer is disposed on the first surface and covering the wiring layer. The eye tracking component is disposed in the protective layer and is electrically connected with the wiring layer for tracking position of an eyeball. The lens is connected to a side of the protective layer away from the waveguide substrate. The AR glasses includes a display device and two lens assemblies. The display device is positioned between the two lens assemblies for emitting image light to the waveguide substrates of the two lens assemblies.
    Type: Grant
    Filed: December 29, 2023
    Date of Patent: April 29, 2025
    Assignees: Asphetek Solution (Chengdu) Ltd., ADVANCED OPTOELECTRONIC TECHNOLOGY, INC., Asphetek Solution Inc.
    Inventors: Shiue-Lung Chen, Chien-Cheng Kuo, I-Ming Cheng, Chang-Ho Chen, Ying-Hung Tsai, Chung-Wu Liu
  • Publication number: 20250110331
    Abstract: A lens assembly and Augmented Reality (AR) glasses, including a waveguide substrate, a wiring layer, a protective layer, an eye tracking component, and a lens. The waveguide substrate includes a first surface. The wiring layer is disposed on the first surface. The protective layer is disposed on the first surface and covering the wiring layer. The eye tracking component is disposed in the protective layer and is electrically connected with the wiring layer for tracking position of an eyeball. The lens is connected to a side of the protective layer away from the waveguide substrate. The AR glasses includes a display device and two lens assemblies. The display device is positioned between the two lens assemblies for emitting image light to the waveguide substrates of the two lens assemblies.
    Type: Application
    Filed: December 29, 2023
    Publication date: April 3, 2025
    Inventors: SHIUE-LUNG CHEN, Chien-Cheng Kuo, I-Ming Cheng, Chang-Ho Chen, Ying-Hung Tsai, Chung-Wu Liu
  • Patent number: 12259558
    Abstract: An optical sensor includes a light source emitting signal light, a light sensing element on an optical path of the signal light, and a photoelectric conversion element on a side of the light sensing element away from the light source. The light sensing element is used to receive ambient light and the signal light on one side and transmit an incident light on another side, wherein a transmittance of the light sensing element changes according to an intensity of the ambient light to adjust an intensity of the incident light transmitted from the light sensing element. The photoelectric conversion element is configured to receive the incident light transmitted from the light sensing element, and to output a voltage modulation signal according to the incident light. A glasses is also provided.
    Type: Grant
    Filed: January 8, 2024
    Date of Patent: March 25, 2025
    Assignees: Asphetek Solution (Chengdu) Ltd., ADVANCED OPTOELECTRONIC TECHNOLOGY, INC., Asphetek Solution Inc.
    Inventors: Yuan-Ting Liang, Chung-Wu Liu, Yi-Huan Chou, I-Ming Cheng
  • Publication number: 20250060555
    Abstract: A lens assembly is provided, comprising a first lens, a first polarizing film, a second lens and a second polarizing film. The first lens provides a first surface, the first surface providing a plurality of first positioning parts. The first polarizing film is arranged on the first surface, a plurality of first position holes is defined on the first polarizing film. The second lens is arranged on one side of the first polarizing film away from the first lens, the second lens provides a second surface and a third surface, the second surface defines a plurality of first position grooves, the plurality of first position grooves matches with the plurality of first positioning parts, and the third surface provides a plurality of second positioning parts. The second polarizing film is arranged on the third surface, the second polarizing film defines a plurality of second position holes.
    Type: Application
    Filed: July 19, 2024
    Publication date: February 20, 2025
    Inventors: CHUNG-CHIAO HO, Yu-Pi Kuo, Chung-Wu Liu, Cheng-Hong Jiang
  • Publication number: 20250049318
    Abstract: The present application provides intraocular pressure detection device and glasses with intraocular pressure detection function. The intraocular pressure detection device includes a light-emitting assembly, an optical signal receiving assembly, and a processor. The light-emitting assembly is arranged toward an eyeball, and is configured to emit a first ray to the eyeball. The first ray is partially absorbed by the eyeball to form a second ray. The optical signal receiving assembly is located on one side of the light-emitting assembly, and is set toward the eyeball for receiving a third ray, and the third ray is formed after the second ray is reflected by the eyeball, and the optical signal receiving assembly is used to convert the received third ray into a detection signal. The processor is electrically connected to the optical signal receiving assembly, and configured for receiving the detection signal and converting the detection signal into intraocular pressure data.
    Type: Application
    Filed: October 9, 2023
    Publication date: February 13, 2025
    Inventors: CHUNG-CHIAO HO, YU-PI KUO, CHUNG-WU LIU
  • Publication number: 20250028092
    Abstract: An optical lens and varifocals, including a first transparent substrate and a zoom assembly. The zoom assembly comprises a first piezoelectric assembly and a second piezoelectric assembly, an air layer is formed between the second piezoelectric assembly and the first transparent substrate; a space is formed between the second piezoelectric assembly and the first piezoelectric assembly, and the space is filled with a transparent liquid to form a liquid layer; when voltages of the first piezoelectric assembly and the second piezoelectric assembly are changed, the first piezoelectric assembly and the second piezoelectric assembly are deformed to change surface curvatures of the liquid layer and the air layer.
    Type: Application
    Filed: May 23, 2024
    Publication date: January 23, 2025
    Inventors: YUAN-TING LIANG, CHUNG-WU LIU
  • Publication number: 20250018669
    Abstract: A method for preparing eye-tracking glasses, comprising the following steps: providing a substrate assembly, the substrate assembly comprising a functional film, the functional film being arranged on a surface of the substrate assembly, and electronic components being arranged on the surface of the functional film. Pressing an injection mold against the substrate assembly to form an injection cavity, and making the surface of the functional film with the electronic components face an interior of the injection cavity. Injecting and molding an optical adhesive in the injection cavity to form a lens, with the electronic components embedded in the lens. Demolding the injection mold from the lens, separating the functional film from the substrate assembly to obtain the eye-tracking glasses.
    Type: Application
    Filed: August 30, 2023
    Publication date: January 16, 2025
    Inventors: YING-HUNG TSAI, CHUNG-WU LIU, I-MING CHENG, YI-HUAN CHOU
  • Publication number: 20250018665
    Abstract: A method for preparing eye-tracking glasses: providing a substrate assembly, the substrate assembly comprising a functional film, the functional film being located on an outermost surface of the substrate assembly as a first surface, the first surface is provided with electronic components. Spraying a matching material towards the first surface, the matching material accumulating at least at a gap difference between the first surface and the electronic component. Providing a sealing layer, the sealing layer covering the first surface and the electronic components and the matching material disposed on the first surface. Providing a lens, the lens being connected to the functional film and the electronic components by the sealing layer.
    Type: Application
    Filed: September 5, 2023
    Publication date: January 16, 2025
    Inventors: YING-HUNG TSAI, CHUNG-WU LIU, I-MING CHENG, YI-HUAN CHOU
  • Patent number: 12174387
    Abstract: Embodiments of the present disclosure relates to an optical lens and a HUD using the optical lens. The optical lens includes a first lens, a second lens, and an optical waveguide. The first lens includes at least two focal parts with different powers. Since the HUD utilizes the optical lens, the user can maintain a comfortable viewing effect when wearing the HUD for a long time.
    Type: Grant
    Filed: December 6, 2023
    Date of Patent: December 24, 2024
    Assignees: Asphetek Solution (Chengdu) Ltd., ADVANCED OPTOELECTRONIC TECHNOLOGY, INC., Asphetek Solution Inc.
    Inventors: Chen-An Chiang, Ying-Hung Tsai, Chung-Wu Liu
  • Publication number: 20240077616
    Abstract: A time-of-flight sensor includes a substrate, a single photon avalanche detection chip, a vertical cavity surface-emitting laser, a first narrowband pass filter glass, and a second narrowband pass filter glass and a resin shell. The single photon avalanche detection chip is attached on the substrate, and the vertical cavity surface-emitting laser is also attached on the substrate. The first narrowband pass filter glass is arranged above the single photon avalanche detection chip, and the second narrowband pass filter glass is arranged above the vertical cavity surface-emitting laser. The resin shell covers the first narrowband pass filter glass and the second narrowband pass filter glass, and an upper surface of the first narrowband pass filter glass and an upper surface of the second narrowband pass filter glass are coplanar with an upper surface of the resin shell.
    Type: Application
    Filed: November 13, 2022
    Publication date: March 7, 2024
    Inventors: Chun-Te CHANG, Chung Wu LIU
  • Patent number: 11594065
    Abstract: An optical image recognition device and a method for fabricating the same are disclosed. The device includes a flexible printed circuit board, an image sensor, a glue, an optical collimator, a supporting ring, a sealant, and an optical filter. The top of the flexible printed circuit board is provided with a recess, the image sensor is located in the recess, the sidewalls of the image sensor and the recess are separated from each other, and the image sensor is coupled to the flexible printed circuit board through conductive wires. The glue adheres to the flexible printed circuit board and the image sensor and covers the conductive wires. The optical collimator is disposed on the image sensor. The supporting ring, disposed on the flexible printed circuit board, surrounds the glue and the optical collimator. The optical filter, disposed on the sealant, shields the optical collimator and the image sensor.
    Type: Grant
    Filed: March 8, 2022
    Date of Patent: February 28, 2023
    Assignees: Interface Technology (Chengdu) Co., Ltd., Interface Optoelectronics (Shenzhen) Co., Ltd., General Interface Solution Limited
    Inventors: Chun Te Chang, Chung Wu Liu, Ming Chiang Yu, Chia Yuan Wu
  • Publication number: 20220198821
    Abstract: An optical image recognition device and a method for fabricating the same are disclosed. The device includes a flexible printed circuit board, an image sensor, a glue, an optical collimator, a supporting ring, a sealant, and an optical filter. The top of the flexible printed circuit board is provided with a recess, the image sensor is located in the recess, the sidewalls of the image sensor and the recess are separated from each other, and the image sensor is coupled to the flexible printed circuit board through conductive wires. The glue adheres to the flexible printed circuit board and the image sensor and covers the conductive wires. The optical collimator is disposed on the image sensor. The supporting ring, disposed on the flexible printed circuit board, surrounds the glue and the optical collimator. The optical filter, disposed on the sealant, shields the optical collimator and the image sensor.
    Type: Application
    Filed: March 8, 2022
    Publication date: June 23, 2022
    Inventors: CHUN TE CHANG, CHUNG WU LIU, MING CHIANG YU, CHIA YUAN WU
  • Patent number: 11308728
    Abstract: An optical image recognition device and a method for fabricating the same are disclosed. The device includes a flexible printed circuit board, an image sensor, a glue, an optical collimator, a supporting ring, a sealant, and an optical filter. The top of the flexible printed circuit board is provided with a recess, the image sensor is located in the recess, the sidewalls of the image sensor and the recess are separated from each other, and the image sensor is coupled to the flexible printed circuit board through conductive wires. The glue adheres to the flexible printed circuit board and the image sensor and covers the conductive wires. The optical collimator is disposed on the image sensor. The supporting ring, disposed on the flexible printed circuit board, surrounds the glue and the optical collimator. The optical filter, disposed on the sealant, shields the optical collimator and the image sensor.
    Type: Grant
    Filed: February 14, 2020
    Date of Patent: April 19, 2022
    Assignees: Interface Technology (Chengdu) Co., Ltd., Interface Optoelectronics (Shenzhen) Co., Ltd., General Interface Solution Limited
    Inventors: Chun-Te Chang, Chung-Wu Liu, Ming Chang Yu, Chia Yuan Wu
  • Publication number: 20210124894
    Abstract: An optical image recognition device and a method for fabricating the same are disclosed. The device includes a flexible printed circuit board, an image sensor, a glue, an optical collimator, a supporting ring, a sealant, and an optical filter. The top of the flexible printed circuit board is provided with a recess, the image sensor is located in the recess, the sidewalls of the image sensor and the recess are separated from each other, and the image sensor is coupled to the flexible printed circuit board through conductive wires. The glue adheres to the flexible printed circuit board and the image sensor and covers the conductive wires. The optical collimator is disposed on the image sensor. The supporting ring, disposed on the flexible printed circuit board, surrounds the glue and the optical collimator. The optical filter, disposed on the sealant, shields the optical collimator and the image sensor.
    Type: Application
    Filed: February 14, 2020
    Publication date: April 29, 2021
    Inventors: CHUN-TE CHANG, CHUNG-WU LIU, MING CHANG YU, CHIA YUAN WU
  • Patent number: 10803278
    Abstract: Panel structure includes a substrate, a piezoelectric material layer and a thin film transistor. The piezoelectric material layer is disposed under the substrate, in which the piezoelectric material layer is configured to generate human recognizable sound waves by vibrating at a human audible frequency in a first time interval, and the piezoelectric material layer is configured to generate ultrasonic waves by vibrating at an ultrasonic frequency in a second time interval. The piezoelectric material layer is used for recognizing human fingerprints when it vibrates at the ultrasonic frequency. The thin film transistor is positioned under and electrically connected to the piezoelectric material layer.
    Type: Grant
    Filed: August 2, 2018
    Date of Patent: October 13, 2020
    Assignee: RECO TECHNOLOGY (CHENGDU) CO., LTD.
    Inventors: Yu-Pi Kuo, Chung-Wu Liu, Chun-Te Chang, Sin-Cheng Lin, Wan-Heng Lin, Shih-Chieh Huang
  • Patent number: 10788912
    Abstract: A touch display module utilizing touch recognition by ultrasound includes display unit on substrate, barrier layer on other side of the substrate, and an ultrasound fingerprint sensing unit on the barrier layer. An acoustic impedance of the display unit, the barrier layer, and the ultrasonic fingerprint sensing unit are not all the same, and the differences in impedances enable recognition of touches by analysis of reflected ultrasound. The disclosure also provides an electronic device using the touch display module.
    Type: Grant
    Filed: December 11, 2018
    Date of Patent: September 29, 2020
    Assignee: Reco Technology (Chengdu) Co., Ltd.
    Inventors: Yu-Pi Kuo, Sin-Cheng Lin, Chung-Wu Liu, Chun-Te Chang, Wan-Heng Lin
  • Publication number: 20200050307
    Abstract: A touch display module utilizing touch recognition by ultrasound includes display unit on substrate, barrier layer on other side of the substrate, and an ultrasound fingerprint sensing unit on the barrier layer. An acoustic impedance of the display unit, the barrier layer, and the ultrasonic fingerprint sensing unit are not all the same, and the differences in impedances enable recognition of touches by analysis of reflected ultrasound. The disclosure also provides an electronic device using the touch display module.
    Type: Application
    Filed: December 11, 2018
    Publication date: February 13, 2020
    Inventors: YU-PI KUO, SIN-CHENG LIN, CHUNG-WU LIU, CHUN-TE CHANG, WAN-HENG LIN
  • Publication number: 20190370519
    Abstract: Panel structure includes a substrate, a piezoelectric material layer and a thin film transistor. The piezoelectric material layer is disposed under the substrate, in which the piezoelectric material layer is configured to generate human recognizable sound waves by vibrating at a human audible frequency in a first time interval, and the piezoelectric material layer is configured to generate ultrasonic waves by vibrating at an ultrasonic frequency in a second time interval. The piezoelectric material layer is used for recognizing human fingerprints when it vibrates at the ultrasonic frequency. The thin film transistor is positioned under and electrically connected to the piezoelectric material layer.
    Type: Application
    Filed: August 2, 2018
    Publication date: December 5, 2019
    Inventors: Yu-Pi KUO, Chung-Wu LIU, Chun-Te CHANG, Sin-Cheng LIN, Wan-Heng LIN, Shih-Chieh HUANG
  • Patent number: 9898643
    Abstract: The present disclosure provides a fingerprint identification device including a substrate, a contact layer, a processing unit, and a plurality of sensor electrodes. The substrate includes a first sub-substrate, a second sub-substrate, and an adhesive layer. The adhesive layer is between the first sub-substrate and the second sub-substrate. A plurality of first sub-holes is defined in the first sub-substrate. A plurality of second sub-holes is defined in the second sub-substrate. A plurality of third sub-holes is defined in the adhesive layer. One of the first sub-holes communicates a corresponding one of the third sub-holes and a corresponding one of the second sub-holes to define a corresponding hole. An end of each of the sensor electrodes is coupled to the processing unit. The other end of each of the sensor electrodes passes through one of the holes, extends to the contact layer, and is covered by the contact layer.
    Type: Grant
    Filed: December 7, 2015
    Date of Patent: February 20, 2018
    Assignees: INTERFACE OPTOELECTRONIC (SHENZHEN) CO., LTD., GENERAL INTERFACE SOLUTION LIMITED
    Inventors: Chun-Te Chang, Yu-Pi Kuo, Chung-Wu Liu, Chia-Chun Tai, Wei-Chung Chuang, Yen-Heng Huang