Patents by Inventor I-HUA CHEN

I-HUA CHEN 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: 20220276550
    Abstract: A wavelength conversion device, adapted for converting the wavelength of an incident illumination beam, includes a substrate and a wavelength conversion component. The wavelength conversion component is disposed on the substrate and includes a wavelength conversion layer and at least two wavelength conversion spoilers. The at least two wavelength conversion spoilers are disposed on the wavelength conversion layer, protrude from the wavelength conversion layer, and expose part of the wavelength conversion layer, and the height of each of the at least two wavelength conversion spoilers is less than half of the distance between the at least two wavelength conversion spoilers. The wavelength conversion device in the disclosure has good heat dissipation efficiency. A projector including the wavelength conversion device is further provided in the disclosure. Manufacturing methods of the wavelength conversion device are further provided in the disclosure.
    Type: Application
    Filed: February 24, 2022
    Publication date: September 1, 2022
    Applicant: Coretronic Corporation
    Inventors: I-Hua Chen, Chi-Tang Hsieh
  • Patent number: 11424391
    Abstract: A wavelength-converting element includes a substrate, a wavelength-converting layer and a diffuse reflection layer. The wavelength-converting layer is disposed above the substrate. The diffuse reflection layer is disposed between the substrate and the wavelength-converting layer. The diffuse reflection layer includes an inorganic binder and a plurality of diffuse reflection particles. The diffuse reflection particles are mixed with the inorganic binder. The inorganic binder includes an alcohol-soluble inorganic binder or a water-soluble inorganic binder. A projection apparatus using the wavelength-converting element and a manufacturing method of the wavelength-converting element are also provided.
    Type: Grant
    Filed: April 10, 2019
    Date of Patent: August 23, 2022
    Assignee: Coretronic Corporation
    Inventor: I-Hua Chen
  • Publication number: 20220245819
    Abstract: A method for processing images, an electronic device, and a storage medium are provided. A head portrait of a subject is obtained from a camera device. A hair region and a scalp region are identified from the head portrait. A proportion of the scalp region is calculated. The proportion of the scalp region is compared with a preset value, and baldness of the subject is determined accordingly. If found to be bald, complementary color processing is performed by processing the scalp region using a hair color of the hair region, and an updated head portrait is obtained after finishing the complementary color processing. The method automatically detects baldness and supplements the hair color in the scalp region.
    Type: Application
    Filed: January 27, 2022
    Publication date: August 4, 2022
    Inventors: I-HUA CHEN, WAN-JHEN LEE, TZU-CHEN LIN, CHIN-PIN KUO
  • Publication number: 20220237893
    Abstract: A method for recognizing different object-categories within images based on texture classification of the different categories, which is implemented in an electronic device, includes extracting texture features from block images segmented from original images according to at least one Gabor filter; determining a grayscale level co-occurrence matrix of each block image according to the texture features; calculating texture feature statistics of each block image according to the grayscale level co-occurrence matrix; training and generating an object recognition model using the texture features and the texture feature statistics; and recognizing and classifying at least one object in original image according to the object recognition model.
    Type: Application
    Filed: January 23, 2022
    Publication date: July 28, 2022
    Inventors: I-HUA CHEN, CHIN-PIN KUO, WEI-CHUN WANG, TZU-CHEN LIN
  • Publication number: 20220222799
    Abstract: A method of detecting defects revealed in images of finished products includes importing flawless images into an autoencoder for model training and obtaining reconstructed images from them. The reconstructed images are compared with the flawless images to obtain groups of test errors. An error threshold is selected from the groups of the test errors according to preset rules. In practice, obtaining an image to be tested, and a reconstructed image to be tested, and an error to be tested; determining detection of the image to be tested according to the error and the error threshold; and importing the image into a classifier for defect classification if the image is found to reveal a defect. An electronic device and a non-volatile storage medium for performing the above-described method, are also disclosed.
    Type: Application
    Filed: January 11, 2022
    Publication date: July 14, 2022
    Inventors: I-HUA CHEN, TUNG-TSO TSAI, CHIN-PIN KUO, TZU-CHEN LIN
  • Patent number: 11354801
    Abstract: A method for detecting a tumor from images which are required to be shrunken in resolution obtains one or more first images. Then, the method segments or divides the detection images into a number of detection image blocks according to an input size of training data of a convolutional neural network architecture, before segmenting, each of the plurality of detection image blocks comprising coordinate values. The detection image blocks are input into a preset tumor detection model to generate image blocks of a result of the detection images. The method merges the image blocks into a single image according to the coordinate values of each detection image block. Colors of normal areas, abnormal areas, and overlapping areas of the abnormal areas are all different. The method generates a final detection according to color depths in the image. A tumor detection device and a non-transitory storage medium are provided.
    Type: Grant
    Filed: February 12, 2020
    Date of Patent: June 7, 2022
    Assignee: HON HAI PRECISION INDUSTRY CO., LTD.
    Inventors: Tzu-Chen Lin, Chin-Pin Kuo, Tung-Tso Tsai, Guo-Chin Sun, I-Hua Chen, Wan-Jhen Lee
  • Patent number: 11327391
    Abstract: A wavelength conversion device includes a heat dissipation substrate, a first reflection layer, a second reflection layer, and a wavelength conversion layer. The first reflection layer is disposed on the heat dissipation substrate. The second reflection layer is disposed on the first reflection layer. The wavelength conversion layer is disposed on the second reflection layer. The first reflection layer is located between the heat dissipation substrate and the second reflection layer, and the second reflection layer is located between the first reflection layer and the wavelength conversion layer. A reflectivity of the second reflection layer to a visible light is greater than a reflectivity of the first reflection layer to the visible light, and a thickness of the first reflection layer is greater than or equal to a thickness of the second reflection layer. A projection device having the wavelength conversion device is further provided.
    Type: Grant
    Filed: March 22, 2021
    Date of Patent: May 10, 2022
    Assignee: Coretronic Corporation
    Inventors: I-Hua Chen, Chi-Tang Hsieh
  • Publication number: 20220131053
    Abstract: A wavelength conversion device includes a base plate, at least one wavelength conversion material layer and a balance ring. The base plate has a geometric center, the wavelength conversion material layer is disposed on the base plate, and the balance ring is disposed on the base plate and rotates about a rotation shaft. The balance ring has a balancing part, and the balancing part includes at least one of the following structures: (1) a protrusion formed by a part of an outer periphery of the balance ring protruding in a direction away from the rotation shaft; (2) a recess formed by a part of the outer periphery of the balance ring caving in a direction towards the rotation shaft.
    Type: Application
    Filed: October 19, 2021
    Publication date: April 28, 2022
    Inventors: I-HUA CHEN, CHI-TANG HSIEH
  • Patent number: 11300862
    Abstract: A wavelength conversion device includes a substrate, a wavelength conversion layer and a filling layer. The wavelength conversion layer is disposed on the substrate. A surface of the wavelength conversion layer away from the substrate has a plurality of pores, the filling layer is disposed on the surface of the wavelength conversion layer to fill the pores, where the filling layer is a transparent structure, and a transmittance of the filling layer to visible light is greater than or equal to 85%. A projection device having the above wavelength conversion device is also provided. The wavelength conversion device and the projection device of the invention may simplify a manufacturing process to save costs, and a yield and optical effects thereof are improved.
    Type: Grant
    Filed: January 15, 2020
    Date of Patent: April 12, 2022
    Assignee: Coretronic Corporation
    Inventors: I-Hua Chen, Chi-Tang Hsieh
  • Publication number: 20220036192
    Abstract: An image processing method and an electronic device are disclosed, the method acquires training data in response to receiving an image processing instruction and trains a deep learning model with the training data by using a preset deep learning framework to obtain an initial model. A data type of the initial model is converted to increase the data processing speed of the model. A correction layer is added to the converted initial model and the initial model is optimized by training weights of the correction layer to obtain an image processing model to further increase the data processing speed. After acquiring an image from the image processing instruction, the image processing model can be used to process the image and an image processing result can be outputted. The image is processed based on the optimized image processing model, and the data processing speed and accuracy are guaranteed.
    Type: Application
    Filed: July 27, 2021
    Publication date: February 3, 2022
    Inventors: I-HUA CHEN, TUNG-TSO TSAI, GUO-CHIN SUN, TZU-CHEN LIN, WAN-JHEN LEE, CHIN-PIN KUO
  • Publication number: 20220011657
    Abstract: The invention provides a wavelength conversion device and a projection device, where the wavelength conversion device includes a substrate, a wavelength conversion layer, and a light-transmitting layer. The wavelength conversion layer is disposed on the substrate and is made of a wavelength conversion material and a bonding material. The wavelength conversion layer has a refractive index of 1.55-1.70. The light-transmitting layer is disposed on the wavelength conversion layer and is made of the bonding material. The wavelength conversion device and the projection device provided by the invention have greater brightness and are less restricted by temperature during operation.
    Type: Application
    Filed: June 21, 2021
    Publication date: January 13, 2022
    Applicant: Coretronic Corporation
    Inventors: I-Hua Chen, Chi-Tang Hsieh
  • Publication number: 20210349378
    Abstract: A wavelength conversion device includes a heat dissipation substrate, a first reflection layer, a second reflection layer, and a wavelength conversion layer. The first reflection layer is disposed on the heat dissipation substrate. The second reflection layer is disposed on the first reflection layer. The wavelength conversion layer is disposed on the second reflection layer. The first reflection layer is located between the heat dissipation substrate and the second reflection layer, and the second reflection layer is located between the first reflection layer and the wavelength conversion layer. A reflectivity of the second reflection layer to a visible light is greater than a reflectivity of the first reflection layer to the visible light, and a thickness of the first reflection layer is greater than or equal to a thickness of the second reflection layer. A projection device having the wavelength conversion device is further provided.
    Type: Application
    Filed: March 22, 2021
    Publication date: November 11, 2021
    Applicant: Coretronic Corporation
    Inventors: I-Hua Chen, Chi-Tang Hsieh
  • Publication number: 20210341656
    Abstract: The invention relates to a wavelength conversion device and a manufacturing method thereof. The manufacturing method includes: mixing a fluorescent material, a binding material, and a solvent to form a mixed solution. The volume percentage concentration of the fluorescent material is about 50% to 80%, the volume percentage concentration of the binding material is 10% to 40%, and the volume percentage concentration of the solvent is 10% to 30%. The mixed solution is coated on the substrate. A heat treatment is performed on the mixed solution at a first temperature to form a wavelength conversion layer. The first temperature is higher than the boiling point of the solvent, and the wavelength conversion layer has a porosity of 10% to 30%. The wavelength conversion device manufactured by the manufacturing method of the invention has better toughness, and may provide stable optical quality and improve image brightness.
    Type: Application
    Filed: April 21, 2021
    Publication date: November 4, 2021
    Applicant: Coretronic Corporation
    Inventors: I-Hua Chen, Chi-Tang Hsieh
  • Patent number: 11061313
    Abstract: A wavelength conversion module including a substrate, a reflective layer and a wavelength conversion layer is provided. The reflective layer is located on the substrate, wherein the reflective layer has two first reflective regions and a second reflective region. The second reflective region is located between the two first reflective regions in a radial direction, and the distance from the top of the reflective layer in the second reflective region to the substrate is smaller than the distance from the top of the reflective layer in each of the first reflective regions to the substrate. The wavelength conversion layer is located on the substrate, wherein the reflective layer is located between the substrate and the wavelength conversion layer. In addition, an illumination system, a projection apparatus, and a method of forming a wavelength conversion module are also proposed.
    Type: Grant
    Filed: April 29, 2020
    Date of Patent: July 13, 2021
    Assignee: Coretronic Corporation
    Inventors: Chi-Tang Hsieh, I-Hua Chen
  • Patent number: 11002952
    Abstract: A projector and a wavelength conversion device thereof are provided. The projector includes an illumination system that includes a light source device and a wavelength conversion device. The light source device is configured to provide an excitation beam. The wavelength conversion device is disposed on a transmission path of the excitation beam, and configured to convert the excitation beam into an illumination beam. The wavelength conversion device includes a substrate comprising a first surface, a second surface, and an axis center, a heat-conducting connection structure, a first reflective structure, and a wavelength conversion structure. The heat-conducting connection structure is located between the first surface and a first reflective structure, the first reflective structure is located between the heat-conducting connection structure and a wavelength conversion structure, and the wavelength conversion structure is located on the first reflective structure.
    Type: Grant
    Filed: October 18, 2018
    Date of Patent: May 11, 2021
    Assignee: Coretronic Corporation
    Inventors: I-Hua Chen, Chi-Tang Hsieh
  • Publication number: 20210012485
    Abstract: A method for detecting a tumor from images which are required to be shrunken in resolution obtains one or more first images. Then, the method segments or divides the detection images into a number of detection image blocks according to an input size of training data of a convolutional neural network architecture, before segmenting, each of the plurality of detection image blocks comprising coordinate values. The detection image blocks are input into a preset tumor detection model to generate image blocks of a result of the detection images. The method merges the image blocks into a single image according to the coordinate values of each detection image block. Colors of normal areas, abnormal areas, and overlapping areas of the abnormal areas are all different. The method generates a final detection according to color depths in the image. A tumor detection device and a non-transitory storage medium are provided.
    Type: Application
    Filed: February 12, 2020
    Publication date: January 14, 2021
    Inventors: TZU-CHEN LIN, CHIN-PIN KUO, TUNG-TSO TSAI, GUO-CHIN SUN, I-HUA CHEN, WAN-JHEN LEE
  • Publication number: 20200348585
    Abstract: A wavelength conversion module including a substrate, a reflective layer and a wavelength conversion layer is provided. The reflective layer is located on the substrate, wherein the reflective layer has two first reflective regions and a second reflective region. The second reflective region is located between the two first reflective regions in a radial direction, and the distance from the top of the reflective layer in the second reflective region to the substrate is smaller than the distance from the top of the reflective layer in each of the first reflective regions to the substrate. The wavelength conversion layer is located on the substrate, wherein the reflective layer is located between the substrate and the wavelength conversion layer. In addition, an illumination system, a projection apparatus, and a method of forming a wavelength conversion module are also proposed.
    Type: Application
    Filed: April 29, 2020
    Publication date: November 5, 2020
    Applicant: Coretronic Corporation
    Inventors: Chi-Tang Hsieh, I-Hua Chen
  • Patent number: 10733481
    Abstract: A cloud device, a terminal device, and an image classification system and method includes the terminal reading an image to be classified; transmitting an instruction of image classification to the cloud device; determining whether the instruction of image classification comprises an intermediate operation result of the first partial operation; performing the second partial operation to obtain an image classification result, when the instruction of image classification comprises intermediate operation result of the first partial operation; and transmitting the image classification result to the terminal device; performing the first partial operation to obtain the intermediate operation result, when the intermediate operation result is not contained in the instruction of image classification; transmitting the intermediate operation result to the terminal device; and performing the second partial operation to obtain an image classification result.
    Type: Grant
    Filed: January 29, 2019
    Date of Patent: August 4, 2020
    Assignee: HON HAI PRECISION INDUSTRY CO., LTD.
    Inventors: Jung-Yi Lin, Chin-Pin Kuo, I-Hua Chen
  • Publication number: 20200233291
    Abstract: A wavelength conversion device includes a substrate, a wavelength conversion layer and a filling layer. The wavelength conversion layer is disposed on the substrate. A surface of the wavelength conversion layer away from the substrate has a plurality of pores, the filling layer is disposed on the surface of the wavelength conversion layer to fill the pores, where the filling layer is a transparent structure, and a transmittance of the filling layer to visible light is greater than or equal to 85%. A projection device having the above wavelength conversion device is also provided. The wavelength conversion device and the projection device of the invention may simplify a manufacturing process to save costs, and a yield and optical effects thereof are improved.
    Type: Application
    Filed: January 15, 2020
    Publication date: July 23, 2020
    Applicant: Coretronic Corporation
    Inventors: I-Hua Chen, Chi-Tang Hsieh
  • Patent number: 10714088
    Abstract: A speech recognition device includes a speech acquiring unit, a speech outputting unit, a camera unit, and a processor. The processor obtains speech input acquired by the speech acquiring unit, obtains images acquired by the camera unit, chronologically links the obtained speech and the obtained images together, compares the obtained speech to a speech database to confirm matching speech and a confidence level of the matching speech, determines whether the confidence level of the matching speech exceeds a predetermined confidence level, and outputs the matching speech when the confidence level of the matching speech exceeds the predetermined confidence level.
    Type: Grant
    Filed: June 26, 2018
    Date of Patent: July 14, 2020
    Assignee: HON HAI PRECISION INDUSTRY CO., LTD.
    Inventors: Jung-Yi Lin, Chin-Pin Kuo, I-Hua Chen