Patents by Inventor Jian-Hung WU

Jian-Hung WU 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: 11719870
    Abstract: An all-around curved polarizer for an all-around curved display device comprises a polarizing layer, a first protective layer and a second protective layer. The first protective layer is arranged on a side of the polarizing layer adjacent to the all-around curved display device and has a first coefficient of thermal expansion. The second protective layer is disposed on the other side of the polarizing layer opposite to the all-around curved display device, and has a second coefficient of thermal expansion, and the second coefficient of thermal expansion is greater than the first coefficient of thermal expansion of the first protective layer.
    Type: Grant
    Filed: February 23, 2022
    Date of Patent: August 8, 2023
    Assignee: BenQ Materials Corporation
    Inventors: Ming-Shing Lo, Jian Hung Wu, Hisn Hsing Li, Mao-Sung Huang
  • Publication number: 20230096350
    Abstract: The present invention relates to a display device, which includes a backlight module, an active dimming layer, a liquid crystal display panel, and a moire elimination layer. The active dimming layer is arranged on the light emitting surface of the backlight module, and includes a plurality of dimming sub-regions that can change the light polarization directions. The liquid crystal display panel is arranged on the light exiting surface of the active dimming layer. The moire elimination layer is arranged on the outer surface of the liquid crystal display panel. The display device can improve the optical interference phenomenon through the moire elimination layer, and has a better contrast gain effect.
    Type: Application
    Filed: December 10, 2021
    Publication date: March 30, 2023
    Applicant: BenQ Materials Corporation
    Inventors: Yi-Jhen Lin, Ting-Wen Cheng, Jian Hung Wu
  • Publication number: 20230072560
    Abstract: An all-around curved polarizer for an all-around curved display device comprises a polarizing layer, a first protective layer and a second protective layer. The first protective layer is arranged on a side of the polarizing layer adjacent to the all-around curved display device and has a first coefficient of thermal expansion. The second protective layer is disposed on the other side of the polarizing layer opposite to the all-around curved display device, and has a second coefficient of thermal expansion, and the second coefficient of thermal expansion is greater than the first coefficient of thermal expansion of the first protective layer.
    Type: Application
    Filed: February 23, 2022
    Publication date: March 9, 2023
    Applicant: BenQ Materials Corporation
    Inventors: Ming-Shing LO, Jian Hung WU, Hisn Hsing LI, Mao-Sung HUANG
  • Publication number: 20220030146
    Abstract: The invention discloses a polarizer comprising a first protective layer, a second protective layer, and a polarizing layer sandwiched therebetween. The polarizing layer comprises a first polarizing area and a second polarizing area with different polarizations. The polarization degree of the first polarizing area is greater than 99.9% and less than 100%, and the light transmittance is between 40% and 45%; the polarization degree of the second polarizing area is not less than 90% and not greater than 99.9%, and the light transmittance is between 45% to 48%. The disclosed polarizer can be used in an electronic device with an integrated camera module.
    Type: Application
    Filed: September 9, 2020
    Publication date: January 27, 2022
    Inventors: Yi Jhen Lin, Yu Yi Chuang, Hsiao Ching Chang, Jian Hung Wu, Hisn Hsing Li
  • Patent number: 10408975
    Abstract: Disclosed herein is a quantum rod light-guide plate for a backlight module of a liquid crystal display. The quantum rod light-guide plate includes a light-guide substrate with a side as a light in surface, a prism layer and a quantum rod layer. The prism layer is disposed on a first surface of the light-guide substrate and includes a plurality of parallel strip-shaped prisms extending along an extending direction parallel to the light incident surface of the light-guide substrate. The quantum rod layer is disposed on a second surface of the light-guide substrate opposite to the side of the prism layer, wherein the second surface is a light exiting surface and includes a plurality of quantum rods, wherein the major axes of the quantum rods are aligned along a direction parallel to the extending direction. With the quantum rod light-guide plate, the utilization of the backlight can be increased.
    Type: Grant
    Filed: February 14, 2017
    Date of Patent: September 10, 2019
    Assignee: BenQ Materials Corporation
    Inventors: Jian-Hung Wu, Shih-Wei Chao
  • Patent number: 10007049
    Abstract: Disclosed herein is a quantum rod backlight module for a liquid crystal display. The quantum rod backlight module includes a quantum rod layer disposing at one side of a backlight source and comprising a plurality of quantum rods, wherein the major axes of the plurality of quantum rods are aligned along a direction parallel to a surface of the quantum rod layer; a first micro-prism layer including a plurality of first parallel strip-shape prisms, and a second micro-prism layer including a plurality of second parallel strip-shape prisms, wherein both of the alignment directions of the first parallel strip-shape prisms and the second parallel strip-shape prisms are perpendicular to the direction of the major axes of the plurality of quantum rods, and the retardations of the first micro-prism layer and the second micro-prism layer are zero.
    Type: Grant
    Filed: June 27, 2016
    Date of Patent: June 26, 2018
    Assignee: BenQ Materials Corporation
    Inventors: Ren-Hung Huang, Jian-Hung Wu, Shih-Wei Chao, Po-Tung Lai, Ya-Chun Chang, Yi-Lung Yang, Chung-Hung Chien, Meng-Chia Cheng, Chien-Yi Kao, Chen-Kuan Kuo
  • Publication number: 20180059302
    Abstract: Disclosed herein is a quantum rod light-guide plate for a backlight module of a liquid crystal display. The quantum rod light-guide plate includes a light-guide substrate with a side as a light in surface, a prism layer and a quantum rod layer. The prism layer is disposed on a first surface of the light-guide substrate and includes a plurality of parallel strip-shaped prisms extending along an extending direction parallel to the light incident surface of the light-guide substrate. The quantum rod layer is disposed on a second surface of the light-guide substrate opposite to the side of the prism layer, wherein the second surface is a light exiting surface and includes a plurality of quantum rods, wherein the major axes of the quantum rods are aligned along a direction parallel to the extending direction. With the quantum rod light-guide plate, the utilization of the backlight can be increased.
    Type: Application
    Filed: February 14, 2017
    Publication date: March 1, 2018
    Inventors: Jian-Hung WU, Shih-Wei CHAO
  • Patent number: 9874668
    Abstract: A quantum rod film for a backlight unit of a liquid crystal display is disclosed herein. The quantum rod film includes a first barrier layer, a sub-wavelength microstructure on the first barrier layer, and a plurality of quantum rods, wherein the sub-wavelength microstructure includes gratings aligned in a parallel direction, an alignment microstructure disposed in grooves between the gratings in a direction perpendicular to the gratings, and a reflective layer on upper surfaces of the gratings. A plurality of quantum rods are arranged in the alignment microstructure of the sub-wavelength microstructure, and major axes of the quantum rods are aligned in a direction perpendicular to the gratings.
    Type: Grant
    Filed: January 26, 2016
    Date of Patent: January 23, 2018
    Assignee: BenQ Materials Corporation
    Inventors: Jian-Hung Wu, Shih-Wei Chao
  • Patent number: 9778403
    Abstract: Disclosed herein is a quantum rod film for a backlight unit. The quantum rod film includes a quantum rod layer having a plurality of quantum rods wherein major axes of the quantum rods are aligned along a direction; a micro-prism layer having a first refractive index and a plurality of parallel strip-shape prisms disposed at a light incident side of the quantum rod layer; and a birefringent layer on the micro-prism layer. By the refractive index difference between the first refractive index of the micro-prism layer and the extraordinary refractive index or the ordinary refractive index of the birefringent layer, the incident light parallel to the direction of major-axes of the quantum rods will selectively pass through the quantum rod film, and the incident light perpendicular to the direction of major-axes of the quantum rods will reflect to backlight for recycling and increasing the backlight efficiency.
    Type: Grant
    Filed: February 1, 2016
    Date of Patent: October 3, 2017
    Assignee: BenQ Materials Corporation
    Inventors: Jian-Hung Wu, Shih-Wei Chao
  • Publication number: 20170123139
    Abstract: Disclosed herein is a quantum rod backlight module for a liquid crystal display. The quantum rod backlight module includes a quantum rod layer disposing at one side of a backlight source and comprising a plurality of quantum rods, wherein the major axes of the plurality of quantum rods are aligned along a direction parallel to a surface of the quantum rod layer; a first micro-prism layer including a plurality of first parallel strip-shape prisms, and a second micro-prism layer including a plurality of second parallel strip-shape prisms, wherein both of the alignment directions of the first parallel strip-shape prisms and the second parallel strip-shape prisms are perpendicular to the direction of the major axes of the plurality of quantum rods, and the retardations of the first micro-prism layer and the second micro-prism layer are zero.
    Type: Application
    Filed: June 27, 2016
    Publication date: May 4, 2017
    Inventors: Ren-Hung HUANG, Jian-Hung WU, Shih-Wei CHAO, Po-Tung LAI, Ya-Chun CHANG, Yi-Lung YANG, Chung-Hung CHIEN, Meng-Chia CHENG, Chien-Yi KAO, Chen-Kuan KUO
  • Publication number: 20170123128
    Abstract: Disclosed herein is a quantum rod film for a backlight unit. The quantum rod film includes a quantum rod layer having a plurality of quantum rods wherein major axes of the quantum rods are aligned along a direction; a micro-prism layer having a first refractive index and a plurality of parallel strip-shape prisms disposed at a light incident side of the quantum rod layer; and a birefringent layer on the micro-prism layer. By the refractive index difference between the first refractive index of the micro-prism layer and the extraordinary refractive index or the ordinary refractive index of the birefringent layer, the incident light parallel to the direction of major-axes of the quantum rods will selectively pass through the quantum rod film, and the incident light perpendicular to the direction of major-axes of the quantum rods will reflect to backlight for recycling and increasing the backlight efficiency.
    Type: Application
    Filed: February 1, 2016
    Publication date: May 4, 2017
    Inventors: Jian-Hung WU, Shih-Wei CHAO
  • Publication number: 20160334556
    Abstract: A quantum rod film for a backlight unit of a liquid crystal display is disclosed herein. The quantum rod includes a first barrier layer, a sub-wavelength microstructure on the first barrier layer, and a plurality of quantum rods, wherein the sub-wavelength microstructure includes gratings aligned n a parallel direction an alignment microstructure disposed in grooves between the gratings in a direction perpendicular to the gratings, and a reflective layer on upper surfaces of the gratings. A plurality of quantum rods are arranged in the alignment microstructure of the sub-wavelength microstructure, and major axes of the quantum rods are aligned in a direction perpendicular to the gratings.
    Type: Application
    Filed: January 26, 2016
    Publication date: November 17, 2016
    Inventors: Jian-Hung WU, Shih-Wei CHAO