Patents by Inventor Yang-Ching Lin

Yang-Ching Lin 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: 10802306
    Abstract: A viewing angle switchable device including an absorptive polarizer, a reflective polarizer and an electrically controlled viewing angle switching element is provided. A transmission axis of the reflective polarizer is parallel to a transmission axis of the absorptive polarizer. The electrically controlled viewing angle switching element is disposed between the absorptive polarizer and the reflective polarizer and includes two transparent substrates, two transparent conductive layers and a liquid crystal layer including a plurality of liquid crystal molecules. When there is a potential difference between the two transparent conductive layers, an orthogonal projection of an optical axis of each of the plurality of liquid crystal molecules on the absorptive polarizer is parallel to or perpendicular to the transmission axis of the absorptive polarizer and the transmission axis of the reflective polarizer. A viewing angle switchable display module including the viewing angle switchable device is also provided.
    Type: Grant
    Filed: December 21, 2018
    Date of Patent: October 13, 2020
    Assignee: Coretronic Corporation
    Inventors: Ping-Yeng Chen, Chong-Yang Fang, Yang-Ching Lin, Jen-Wei Yu
  • Publication number: 20200249505
    Abstract: A display device includes an electrically controlled viewing angle switching device including two polarizers and a liquid crystal cell disposed between the two polarizers. The liquid crystal cell includes two alignment layers and a liquid crystal material layer disposed between the two alignment layers and including a plurality of liquid crystal molecules. A direction of an optical axis of the liquid crystal molecules and a viewing angle control direction of the display device have an included angle ?1 of 70-110 degrees. Two alignment directions of the two alignment layers and the viewing angle control direction have an included angle of 90±20 degrees and an included angle of 270±20 degrees, respectively. Included angles between directions of transmission axis of the two polarizers and alignment directions of the two alignment layers are selected from one of 0±5 degrees and 90±5 degrees.
    Type: Application
    Filed: April 24, 2020
    Publication date: August 6, 2020
    Inventors: CHUNG-YANG FANG, PING-YEN CHEN, JEN-WEI YU, YANG-CHING LIN, YU-FAN CHEN
  • Publication number: 20200209659
    Abstract: The disclosure provides a display device and an optical compensation module. The display device includes a light emitting display module and the optical compensation module. The optical compensation module is disposed on the light emitting display module along the transmission direction of an image beam emitted by the light emitting display module, and includes: a first polarizing layer and an optical compensation layer. The optical compensation layer is disposed between the light emitting display module and the first polarizing layer along the transmission direction of the image beam and has a first compensation area and a second compensation area which forms a pattern, wherein the phase compensation value of the first compensation area and the phase compensation value of the second compensation area are different. The display device and the optical compensation module have the effect of displaying the pattern on the display panel at a specific angle.
    Type: Application
    Filed: December 23, 2019
    Publication date: July 2, 2020
    Applicant: Coretronic Corporation
    Inventors: Ping-Yen Chen, Chung-Yang Fang, Yang-Ching Lin, Jen-Wei Yu, Yu-Fan Chen
  • Patent number: 10678077
    Abstract: A display device comprises a backlight module, a display panel disposed on the backlight module, and an electrically controlled viewing angle switching device disposed on the backlight module and disposed in a stacking manner with the display panel. The display panel comprises a panel module and a first polarizer. There is an air layer or a bonding layer between the electrically controlled viewing angle switching device and the display panel. The panel module is disposed between the first polarizer and the electrically controlled viewing angle switching device. The electrically controlled viewing angle switching device comprises a liquid crystal cell, at least one phase compensation film and two second polarizers. The liquid crystal cell is disposed between the two second polarizers. The display device can switch between an anti-peeping mode and a sharing mode in an electrically controlled manner.
    Type: Grant
    Filed: April 26, 2019
    Date of Patent: June 9, 2020
    Assignee: Coretronic Corporation
    Inventors: Chung-Yang Fang, Ping-Yen Chen, Jen-Wei Yu, Yang-Ching Lin, Yu-Fan Chen
  • Patent number: 10663777
    Abstract: A viewing angle switchable display module includes an organic light-emitting display (OLED) panel, a viewing angle switchable device disposed on the OLED panel, and a quarter wave plate disposed between the OLED panel and the viewing angle switchable device. The viewing angle switchable device includes an absorptive polarizer, a reflective polarizer, and an electrically controlled viewing angle switching element. A transmission axis of the reflective polarizer is parallel to a transmission axis of the absorptive polarizer. The electrically controlled viewing angle switching element is disposed between the absorptive polarizer and the reflective polarizer and includes two conductive layers and a liquid crystal layer including liquid crystal molecules.
    Type: Grant
    Filed: May 9, 2019
    Date of Patent: May 26, 2020
    Assignee: Coretronic Corporation
    Inventors: Ping-Yen Chen, Wen-Chun Wang, Chung-Yang Fang, Yang-Ching Lin, Jen-Wei Yu
  • Publication number: 20190331945
    Abstract: A light source module includes an optical plate, a light source and a dimming liquid crystal panel. The dimming liquid crystal panel includes a first driving substrate, a second driving substrate and a liquid crystal material layer. The first driving substrate includes a first substrate, and a common electrode disposed between the first substrate and the liquid crystal material layer. The second driving substrate includes a second substrate, a plurality of independent electrodes, a plurality of first signal pads and a plurality of first wires. The independent electrodes, the first signal pads and the first wires are disposed between the second substrate and the liquid crystal material layer. The independent electrodes are insulated each other. Each of the independent electrodes is electrically connected to one of the first signal pads by one of the first wires. A display device having the light source module is also provided.
    Type: Application
    Filed: April 19, 2019
    Publication date: October 31, 2019
    Inventors: CHUNG-YANG FANG, PING-YEN CHEN, YANG-CHING LIN, JEN-WEI YU
  • Publication number: 20190331944
    Abstract: A display device comprises a backlight module, a display panel disposed on the backlight module, and an electrically controlled viewing angle switching device disposed on the backlight module and disposed in a stacking manner with the display panel. The display panel comprises a panel module and a first polarizer. There is an air layer or a bonding layer between the electrically controlled viewing angle switching device and the display panel. The panel module is disposed between the first polarizer and the electrically controlled viewing angle switching device. The electrically controlled viewing angle switching device comprises a liquid crystal cell, at least one phase compensation film and two second polarizers. The liquid crystal cell is disposed between the two second polarizers. The display device can switch between an anti-peeping mode and a sharing mode in an electrically controlled manner.
    Type: Application
    Filed: April 26, 2019
    Publication date: October 31, 2019
    Inventors: CHUNG-YANG FANG, PING-YEN CHEN, JEN-WEI YU, YANG-CHING LIN, YU-FAN CHEN
  • Publication number: 20190293974
    Abstract: An anti-peeping control device includes two polarizers and a liquid crystal box disposed between the two polarizers. An included angle of 5 to 15 degrees is formed between the axial directions of the transmission axes of the two polarizers, or the axial directions of the transmission axes of the two polarizers are parallel to each other but not parallel and not perpendicular to any side edge of the polarizer. The axial directions of the transmission axes of the two polarizers are perpendicular or parallel to the alignment direction of the alignment layer of the liquid crystal box. The anti-peeping control device can use an electronic control method to switch the anti-peeping effect. A backlight module and display using the anti-peeping control device are also proposed.
    Type: Application
    Filed: March 26, 2019
    Publication date: September 26, 2019
    Inventors: PING-YEN CHEN, CHUNG-YANG FANG, YANG-CHING LIN, JEN-WEI YU, YU-FAN CHEN
  • Publication number: 20190265522
    Abstract: A viewing angle switchable display module includes an organic light-emitting display (OLED) panel, a viewing angle switchable device disposed on the OLED panel, and a quarter wave plate disposed between the OLED panel and the viewing angle switchable device. The viewing angle switchable device includes an absorptive polarizer, a reflective polarizer, and an electrically controlled viewing angle switching element. A transmission axis of the reflective polarizer is parallel to a transmission axis of the absorptive polarizer. The electrically controlled viewing angle switching element is disposed between the absorptive polarizer and the reflective polarizer and includes two conductive layers and a liquid crystal layer including liquid crystal molecules.
    Type: Application
    Filed: May 9, 2019
    Publication date: August 29, 2019
    Applicant: Coretronic Corporation
    Inventors: Ping-Yen Chen, Wen-Chun Wang, Chung-Yang Fang, Yang-Ching Lin, Jen-Wei Yu
  • Publication number: 20190196236
    Abstract: A viewing angle switchable device including an absorptive polarizer, a reflective polarizer and an electrically controlled viewing angle switching element is provided. A transmission axis of the reflective polarizer is parallel to a transmission axis of the absorptive polarizer. The electrically controlled viewing angle switching element is disposed between the absorptive polarizer and the reflective polarizer and includes two transparent substrates, two transparent conductive layers and a liquid crystal layer including a plurality of liquid crystal molecules. When there is a potential difference between the two transparent conductive layers, an orthogonal projection of an optical axis of each of the plurality of liquid crystal molecules on the absorptive polarizer is parallel to or perpendicular to the transmission axis of the absorptive polarizer and the transmission axis of the reflective polarizer. A viewing angle switchable display module including the viewing angle switchable device is also provided.
    Type: Application
    Filed: December 21, 2018
    Publication date: June 27, 2019
    Applicant: Coretronic Corporation
    Inventors: Ping-Yeng Chen, Chong-Yang Fang, Yang-Ching Lin, Jen-Wei Yu
  • Patent number: 9052424
    Abstract: A backlight module includes at least one light source and a light guide plate. The light guide plate includes at least one light incident surface, a light-emitting surface, a bottom surface, a plurality of lenticular lenses and a plurality of micro dots. The light incident surface is disposed adjacent to the light source, and the light-emitting surface is connected with the light incident surface and forms an angle with the light incident surface. The bottom surface is connected with the light incident surface and disposed opposite the light-emitting surface. The lenticular lenses are arranged on the light-emitting surface in a direction substantially parallel to the light incident surface, and the micro dots are formed on at least the bottom surface. The invention provides a backlight module having high directionality of light propagation and high light-utilization efficiency.
    Type: Grant
    Filed: December 26, 2012
    Date of Patent: June 9, 2015
    Assignee: CORETRONIC CORPORATION
    Inventors: Yang-Ching Lin, Tzeng-Ke Shiau
  • Patent number: 8497001
    Abstract: A first substrate and a second substrate are provided. An alignment process is performed on a surface of the first substrate and a surface of the second substrate respectively. A liquid crystal mixture is prepared, where the liquid crystal mixture includes a liquid crystal molecule and a liquid crystal monomer having a functional group of diacrylates, and the liquid crystal monomer having the functional group of diacrylates occupies 0.01-2 wt % of the liquid crystal mixture. The first substrate and the second substrate are assembled, and the liquid crystal mixture is filled therebetween. A polymerization curing process is performed such that the liquid crystal monomer having the functional group of diacrylates is polymerized to respectively form a liquid crystal polymer film on the aligned surfaces of the first and second substrates. The method enhances anchoring energy and reduces problems of V-T shift, surface gliding, and residual image.
    Type: Grant
    Filed: November 2, 2012
    Date of Patent: July 30, 2013
    Assignees: Taiwan TFT LCD Association, Chunghwa Picture Tubes, Ltd., AU Optronics Corporation, Hannstar Display Corporation, Chi Mei Optoelectronics Corporation, Industrial Technology Research Institute
    Inventors: Cho-Ying Lin, Ding-Jen Chen, Hui-Min Lin, Yang-Ching Lin
  • Publication number: 20130170247
    Abstract: A backlight module includes at least one light source and a light guide plate. The light guide plate includes at least one light incident surface, a light-emitting surface, a bottom surface, a plurality of lenticular lenses and a plurality of micro dots. The light incident surface is disposed adjacent to the light source, and the light-emitting surface is connected with the light incident surface and forms an angle with the light incident surface. The bottom surface is connected with the light incident surface and disposed opposite the light-emitting surface. The lenticular lenses are arranged on the light-emitting surface in a direction substantially parallel to the light incident surface, and the micro dots are formed on at least the bottom surface. The invention provides a backlight module having high directionality of light propagation and high light-utilization efficiency.
    Type: Application
    Filed: December 26, 2012
    Publication date: July 4, 2013
    Inventors: Yang-Ching LIN, Tzeng-Ke Shiau
  • Publication number: 20130056890
    Abstract: A first substrate and a second substrate are provided. An alignment process is performed on a surface of the first substrate and a surface of the second substrate respectively. A liquid crystal mixture is prepared, where the liquid crystal mixture includes a liquid crystal molecule and a liquid crystal monomer having a functional group of diacrylates, and the liquid crystal monomer having the functional group of diacrylates occupies 0.01-2 wt % of the liquid crystal mixture. The first substrate and the second substrate are assembled, and the liquid crystal mixture is filled therebetween. A polymerization curing process is performed such that the liquid crystal monomer having the functional group of diacrylates is polymerized to respectively form a liquid crystal polymer film on the aligned surfaces of the first and second substrates. The method enhances anchoring energy and reduces problems of V-T shift, surface gliding, and residual image.
    Type: Application
    Filed: November 2, 2012
    Publication date: March 7, 2013
    Inventors: Cho-Ying Lin, Ding-Jen Chen, Hui-Min Lin, Yang-Ching Lin
  • Patent number: 8325304
    Abstract: A first substrate and a second substrate are provided. An alignment process is performed on a surface of the first substrate and a surface of the second substrate respectively. A liquid crystal mixture is prepared, where the liquid crystal mixture includes a liquid crystal molecule and a liquid crystal monomer having a functional group of diacrylates, and the liquid crystal monomer having the functional group of diacrylates occupies 0.01-2 wt % of the liquid crystal mixture. The first substrate and the second substrate are assembled, and the liquid crystal mixture is filled therebetween. A polymerization curing process is performed such that the liquid crystal monomer having the functional group of diacrylates is polymerized to respectively form a liquid crystal polymer film on the aligned surfaces of the first and second substrates. The method enhances anchoring energy and reduces problems of V-T shift, surface gliding, and residual image.
    Type: Grant
    Filed: November 30, 2009
    Date of Patent: December 4, 2012
    Assignees: Taiwan TFT LCD Association, Chunghwa Picture Tubes, Ltd., AU Optronics Corporation, Hannstar Display Corporation, Chi Mei Optoelectronics Corporation, Industrial Technology Research Institute
    Inventors: Cho-Ying Lin, Ding-Jen Chen, Hui-Min Lin, Yang-Ching Lin
  • Publication number: 20110096286
    Abstract: A first substrate and a second substrate are provided. An alignment process is performed on a surface of the first substrate and a surface of the second substrate respectively. A liquid crystal mixture is prepared, where the liquid crystal mixture includes a liquid crystal molecule and a liquid crystal monomer having a functional group of diacrylates, and the liquid crystal monomer having the functional group of diacrylates occupies 0.01-2 wt % of the liquid crystal mixture. The first substrate and the second substrate are assembled, and the liquid crystal mixture is filled therebetween. A polymerization curing process is performed such that the liquid crystal monomer having the functional group of diacrylates is polymerized to respectively form a liquid crystal polymer film on the aligned surfaces of the first and second substrates. The method enhances anchoring energy and reduces problems of V-T shift, surface gliding, and residual image.
    Type: Application
    Filed: November 30, 2009
    Publication date: April 28, 2011
    Applicants: Taiwan TFT LCD Association, Chunghwa Picture Tubes, LTD., Au Optronics Corporation, Hannstar Display Corporation, Chi Mei Optoelectronics Corporation, Industrial Technology Research Institute
    Inventors: Cho-Ying Lin, Ding-Jen Chen, Hui-Min Lin, Yang-Ching Lin