Patents by Inventor Cyun Tai Hong

Cyun Tai Hong 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: 11953738
    Abstract: The present invention discloses a display including a display panel and a light redirecting film disposed on the viewing side of the display panel. The light redirecting film comprises a light redistribution layer, and a light guide layer disposed on the light redistribution layer. The light redistribution layer includes a plurality of strip-shaped micro prisms extending along a first direction and arranged at intervals and a plurality of diffraction gratings arranged at the bottom of the intervals between the adjacent strip-shaped micro prisms, wherein each of the strip-shaped micro prisms has at least one inclined light-guide surface, and the bottom of each interval has at least one set of diffraction gratings, and the light guide layer is in contact with the strip-shaped micro prisms and the diffraction gratings.
    Type: Grant
    Filed: March 29, 2022
    Date of Patent: April 9, 2024
    Assignee: BenQ Materials Corporation
    Inventors: Cyun-Tai Hong, Yu-Da Chen, Hsu-Cheng Cheng, Meng-Chieh Wu, Chuen-Nan Shen, Kuo-Jung Huang, Wei-Jyun Chen, Yu-Jyuan Dai
  • Publication number: 20240012188
    Abstract: Disclosed is a patterned optical film, comprising a patterned alignment layer having a plurality of striped retardation regions arranged in strips with different depths, a liquid crystal filling layer provided to cover and planarize the striped retardation regions, and a polarizing layer disposed on the liquid crystal filling layer.
    Type: Application
    Filed: May 3, 2023
    Publication date: January 11, 2024
    Applicant: BenQ Materials Corporation
    Inventors: Chen-Kuan Kuo, Chung-Yuan Cheng, Wei-Feng Xu, Cyun-Tai Hong
  • Patent number: 11747667
    Abstract: The present invention discloses a light redirecting film, a polarizer with the light redirecting film, and a display comprising the polarizer. The light redirecting film includes a light redistribution layer, and a light guide layer disposed on the light redistribution layer. The light redistribution layer includes a plurality of strip-shaped micro prisms extending along a first direction and arranged at intervals and a plurality of diffraction gratings arranged at bottoms of the intervals between the adjacent strip-shaped micro prisms, wherein each of the strip-shaped micro prisms has at least one inclined light-guide surface, and the bottom of each interval has at least one set of diffraction gratings, and the light guide layer is in contact with the strip-shaped micro prisms and the diffraction gratings.
    Type: Grant
    Filed: March 29, 2022
    Date of Patent: September 5, 2023
    Assignee: BenQ Materials Corporation
    Inventors: Cyun-Tai Hong, Yu-Da Chen, Hsu-Cheng Cheng, Meng-Chieh Wu, Chuen-Nan Shen, Kuo-Jung Huang
  • Publication number: 20230168533
    Abstract: The present invention discloses a light redirecting film, a polarizer with the light redirecting film, and a display comprising the polarizer. The light redirecting film includes a light redistribution layer, and a light guide layer disposed on the light redistribution layer. The light redistribution layer includes a plurality of strip-shaped micro prisms extending along a first direction and arranged at intervals and a plurality of diffraction gratings arranged at bottoms of the intervals between the adjacent strip-shaped micro prisms, wherein each of the strip-shaped micro prisms has at least one inclined light-guide surface, and the bottom of each interval has at least one set of diffraction gratings, and the light guide layer is in contact with the strip-shaped micro prisms and the diffraction gratings.
    Type: Application
    Filed: March 29, 2022
    Publication date: June 1, 2023
    Applicant: BenQ Materials Corporation
    Inventors: Cyun-Tai Hong, Yu-Da Chen, Hsu-Cheng Cheng, Meng-Chieh Wu, Chuen-Nan Shen, Kuo-Jung Huang
  • Publication number: 20230168446
    Abstract: The present invention discloses a display including a display panel and a light redirecting film disposed on the viewing side of the display panel. The light redirecting film comprises a light redistribution layer, and a light guide layer disposed on the light redistribution layer. The light redistribution layer includes a plurality of strip-shaped micro prisms extending along a first direction and arranged at intervals and a plurality of diffraction gratings arranged at the bottom of the intervals between the adjacent strip-shaped micro prisms, wherein each of the strip-shaped micro prisms has at least one inclined lightguide surface, and the bottom of each interval has at least one set of diffraction gratings, and the light guide layer is in contact with the strip-shaped micro prisms and the diffraction gratings.
    Type: Application
    Filed: March 29, 2022
    Publication date: June 1, 2023
    Applicant: BenQ Materials Corporation
    Inventors: Cyun-Tai Hong, Yu-Da Chen, Hsu-Cheng Cheng, Meng-Chieh Wu, Chuen-Nan Shen, Kuo-Jung Huang, Wei-Jyun Chen, Yu-Jyuan Dai
  • Publication number: 20210273204
    Abstract: An organic light emitting diode display is provided. The organic light emitting diode display comprises an organic light emitting diode panel, a quarter-wavelength retarder disposed on the organic light emitting diode panel, a polarizer disposed on the quarter-wavelength retarder, an adhesive layer disposed on the polarizer and a diffraction grating film adhered to the polarizer by the adhesive layer. The diffraction grating film comprises a substrate and a first diffraction grating layer comprising a plurality of first gratings aligned with a first direction disposed on the substrate.
    Type: Application
    Filed: May 19, 2021
    Publication date: September 2, 2021
    Applicant: BenQ Materials Corporation
    Inventors: Wei-Feng Xu, Cyun-Tai Hong, Chen-Kuan Kuo
  • Patent number: 10941919
    Abstract: The present disclosure relates to a light bar structure, comprising: a circuit substrate, a spot light source matrix, and a light guide film. The light guide film comprises a plurality of strip-shaped micro lenses on the surface opposite to the spot light source matrix, and these strip-shaped micro lenses further comprise a plurality of gratings on the surfaces thereof. With the refraction and diffraction of the light guiding film, the diffusion angle of the light emitted from the spot light source matrix can be increased in one dimension, and the light bar structure can exhibit a uniform one-dimensional pattern.
    Type: Grant
    Filed: March 16, 2020
    Date of Patent: March 9, 2021
    Assignee: BenQ Materials Corporation
    Inventors: Cyun-Tai Hong, Wei-Feng Xu, Chun-Nan Shen, Meng Chieh Wu, Guo-Long Gao
  • Patent number: 10838248
    Abstract: An optical film includes a first diffraction layer, a second diffraction layer, and a cover layer. The first diffraction layer includes a plurality of first diffraction gratings arranged in a direction on a surface thereof. The second diffraction layer is filled in the gap of the first diffraction gratings of the first diffraction layer and forms a plurality of second diffraction gratings arranged in a direction on the first diffraction layer, wherein the directions of the first diffraction gratings and the second diffraction gratings are parallel to each other. The cover layer fills and planarizes the second diffraction gratings of the second diffraction layer. The optical film can reduce the light leakage defect of a conventional liquid crystal display in a wide viewing angle and make the liquid crystal display have a uniform dark-state image and color image quality.
    Type: Grant
    Filed: July 16, 2018
    Date of Patent: November 17, 2020
    Assignee: BenQ Materials Corporation
    Inventors: Chen-Kuan Kuo, Cyun-Tai Hong, Meng-Chieh Chou, Chuen-Nan Shen, Meng-Jie Lin, Chia-Feng Lin, Fung-Hsu Wu, Meng-Chia Cheng
  • Patent number: 10802321
    Abstract: An optical film includes a first diffraction layer, a second diffraction layer, and a cover layer. The first diffraction layer includes a plurality of first diffraction gratings arranged in the same direction on a surface thereof. The second diffraction layer includes a plurality of second diffraction gratings arranged in the same direction gap-filled the first diffraction gratings of the first diffraction layer, wherein the directions of the first diffraction gratings and the second diffraction gratings are parallel to each other. The cover layer is formed on the second diffraction gratings of the second diffraction layer. At least one of the first diffraction layer, the second diffraction layer and the cover layer contains dyes, and therefore, the optical film can reduce the light leakage defect of a conventional liquid crystal display in a large viewing angles and make the liquid crystal display have uniform dark-state images and colorful images.
    Type: Grant
    Filed: July 16, 2018
    Date of Patent: October 13, 2020
    Assignee: BenQ Materials Corporation
    Inventors: Chen-Kuan Kuo, Cyun-Tai Hong, Meng-Chieh Chou, Chuen-Nan Shen, Meng-Jie Lin, Chia-Feng Lin, Fung-Hsu Wu, Meng-Chia Cheng
  • Publication number: 20200251690
    Abstract: An organic light emitting diode display is provided. The organic light emitting diode display comprises an organic light emitting diode panel, a quarter-wavelength retarder disposed on the organic light emitting diode panel, a polarizer disposed on the quarter-wavelength retarder, an adhesive layer disposed on the polarizer and a diffraction grating film adhered to the polarizer by the adhesive layer. The diffraction grating film comprises a substrate and a first diffraction grating layer comprising a plurality of first gratings aligned with a first direction disposed on the substrate.
    Type: Application
    Filed: September 2, 2019
    Publication date: August 6, 2020
    Inventors: Wei-Feng Xu, Cyun-Tai Hong, Chen-Kuan Kuo
  • Publication number: 20200201063
    Abstract: A light redirecting film and a method for manufacturing the same are provided. The light redirecting film comprises a substrate, a first diffraction grating layer of a first curable resin on the substrate and a second diffraction grating layer of a second curable resin on the first diffraction grating layer. Wherein the grating directions of the first diffraction grating layer and the second diffraction grating layer cross each other at an angle of 90±10°, and the difference of the refractive index of the first curable resin and the second curable resin is no less than 0.1 and no more than 0.3.
    Type: Application
    Filed: March 1, 2020
    Publication date: June 25, 2020
    Inventors: Chen-Kuan Kuo, Cyun-Tai Hong, Chuen-Nan Shen, Chung-Hung Chien, Hung-Jiun Shieh, Tsung-Chi Yeh, Fung-Hsu Wu
  • Publication number: 20200192112
    Abstract: A light redirecting film in a sandwich-laminated structure is provided. The light redirecting film comprises a first layer, a second layer; and an intermediate layer sandwiched between the first layer and the second layer. The intermediate layer includes a first grating surface having a plurality of first gratings extending in a first grating direction and a second grating surface opposite to the first grating surface having a plurality of second gratings extending in a second grating direction, wherein the first grating direction and the second grating direction cross each other at an angle of 90°±10°, and the first grating surface and the second grating surface of the intermediate layer are gap-filled and planarized with the first layer and the second layer respectively to generate the light redirecting film.
    Type: Application
    Filed: February 18, 2020
    Publication date: June 18, 2020
    Inventors: Chen-Kuan Kuo, Cyun-Tai Hong, Fung-Hsu Wu
  • Patent number: 10649225
    Abstract: A light redirecting film in a sandwich-laminated structure is provided. The light redirecting film comprises a first layer, a second layer; and an intermediate layer sandwiched between the first layer and the second layer. The intermediate layer includes a first grating surface having a plurality of first gratings extending in a first grating direction and a second grating surface opposite to the first grating surface having a plurality of second gratings extending in a second grating direction, wherein the first grating direction and the second grating direction cross each other at an angle of 90°±10°, and the first grating surface and the second grating surface of the intermediate layer are gap-filled and planarized with the first layer and the second layer respectively to generate the light redirecting film.
    Type: Grant
    Filed: November 24, 2017
    Date of Patent: May 12, 2020
    Assignee: BenQ Materials Corporation
    Inventors: Chen-Kuan Kuo, Cyun-Tai Hong, Fung-Hsu Wu
  • Patent number: 10642057
    Abstract: A light redirecting film and a method for manufacturing the same are provided. The light redirecting film comprises a substrate, a first diffraction grating layer of a first curable resin on the substrate and a second diffraction grating layer of a second curable resin on the first diffraction grating layer. Wherein the grating directions of the first diffraction grating layer and the second diffraction grating layer cross each other at an angle of 90±10°, and the difference of the refractive index of the first curable resin and the second curable resin is no less than 0.1 and no more than 0.3.
    Type: Grant
    Filed: November 21, 2017
    Date of Patent: May 5, 2020
    Assignee: BenQ Materials Corporation
    Inventors: Chen-Kuan Kuo, Cyun-Tai Hong, Chuen-Nan Shen, Chung-Hung Chien, Hung-Jiun Shieh, Tsung-Chi Yeh, Fung-Hsu Wu
  • Patent number: 10642086
    Abstract: The invention provides an optical film for improving image quality of a liquid crystal display comprising: a light directing structure layer, a first filling layer, a plurality of first diffraction gratings and a second filling layer. The light directing structure layer comprises a plurality of light directing micro structures, wherein the ratio of height to width of each light directing micro structure is in the range of 1.5 to 6. The first filling layer is disposed on the light directing structure layer, and the refractive index of the first filling layer and the light directing structure layer are different. The first diffraction gratings along with a first direction are formed on the first filling layer. The second filling layer is disposed on the first diffraction gratings and the refractive index of the second filling layer and the first diffraction gratings are different.
    Type: Grant
    Filed: July 16, 2018
    Date of Patent: May 5, 2020
    Assignee: BenQ Materials Corporation
    Inventors: Chen-Kuan Kuo, Cyun-Tai Hong, Chuen-Nan Shen, Meng-Jie Lin, Chia-Feng Lin, Meng-Chia Cheng
  • Publication number: 20190025630
    Abstract: An optical film includes a first diffraction layer, a second diffraction layer, and a cover layer. The first diffraction layer includes a plurality of first diffraction gratings arranged in the same direction on a surface thereof. The second diffraction layer includes a plurality of second diffraction gratings arranged in the same direction gap-filled the first diffraction gratings of the first diffraction layer, wherein the directions of the first diffraction gratings and the second diffraction gratings are parallel to each other. The cover layer is formed on the second diffraction gratings of the second diffraction layer. At least one of the first diffraction layer, the second diffraction layer and the cover layer contains dyes, and therefore, the optical film can reduce the light leakage defect of a conventional liquid crystal display in a large viewing angles and make the liquid crystal display have uniform dark-state images and colorful images.
    Type: Application
    Filed: July 16, 2018
    Publication date: January 24, 2019
    Inventors: Chen-Kuan Kuo, Cyun-Tai Hong, Meng-Chieh Chou, Chuen-Nan Shen, Meng-Jie Lin, Chia-Feng Lin, Fung-Hsu Wu, Meng-Chia Cheng
  • Publication number: 20190025631
    Abstract: The invention provides an optical film for improving image quality of a liquid crystal display comprising: a light directing structure layer, a first filling layer, a plurality of first diffraction gratings and a second filling layer. The light directing structure layer comprises a plurality of light directing micro structures, wherein the ratio of height to width of each light directing micro structure is in the range of 1.5 to 6. The first filling layer is disposed on the light directing structure layer, and the refractive index of the first filling layer and the light directing structure layer are different. The first diffraction gratings along with a first direction are formed on the first filling layer. The second filling layer is disposed on the first diffraction gratings and the refractive index of the second filling layer and the first diffraction gratings are different.
    Type: Application
    Filed: July 16, 2018
    Publication date: January 24, 2019
    Inventors: Chen-Kuan Kuo, Cyun-Tai Hong, Chuen-Nan Shen, Meng-Jie Lin, Chia-Feng Lin, Meng-Chia Cheng
  • Publication number: 20190025605
    Abstract: A light redirecting film and a method for manufacturing the same are provided. The light redirecting film comprises a substrate, a first diffraction grating layer of a first curable resin on the substrate and a second diffraction grating layer of a second curable resin on the first diffraction grating layer. Wherein the grating directions of the first diffraction grating layer and the second diffraction grating layer cross each other at an angle of 90±10°, and the difference of the refractive index of the first curable resin and the second curable resin is no less than 0.1 and no more than 0.3.
    Type: Application
    Filed: November 21, 2017
    Publication date: January 24, 2019
    Inventors: Chen-Kuan Kuo, Cyun-Tai Hong, Chuen-Nan Shen, Chung-Hung Chien, Hung-Jiun Shieh, Tsung-Chi Yeh, Fung-Hsu Wu
  • Publication number: 20190025480
    Abstract: A light redirecting film in a sandwich-laminated structure is provided. The light redirecting film comprises a first layer, a second layer; and an intermediate layer sandwiched between the first layer and the second layer. The intermediate layer includes a first grating surface having a plurality of first gratings extending in a first grating direction and a second grating surface opposite to the first grating surface having a plurality of second gratings extending in a second grating direction, wherein the first grating direction and the second grating direction cross each other at an angle of 90°±10°, and the first grating surface and the second grating surface of the intermediate layer are gap-filled and planarized with the first layer and the second layer respectively to generate the light redirecting film.
    Type: Application
    Filed: November 24, 2017
    Publication date: January 24, 2019
    Inventors: Chen-Kuan Kuo, Cyun-Tai Hong, Fung-Hsu Wu
  • Publication number: 20190025632
    Abstract: An optical film includes a first diffraction layer, a second diffraction layer, and a cover layer. The first diffraction layer includes a plurality of first diffraction gratings arranged in a direction on a surface thereof. The second diffraction layer is filled in the gap of the first diffraction gratings of the first diffraction layer and forms a plurality of second diffraction gratings arranged in a direction on the first diffraction layer, wherein the directions of the first diffraction gratings and the second diffraction gratings are parallel to each other. The cover layer fills and planarizes the second diffraction gratings of the second diffraction layer. The optical film can reduce the light leakage defect of a conventional liquid crystal display in a wide viewing angle and make the liquid crystal display have a uniform dark-state image and color image quality.
    Type: Application
    Filed: July 16, 2018
    Publication date: January 24, 2019
    Inventors: Chen-Kuan Kuo, Cyun-Tai Hong, Meng-Chieh Chou, Chuen-Nan Shen, Meng-Jie Lin, Chia-Feng Lin, Fung-Hsu Wu, Meng-Chia Cheng