Patents by Inventor Yafeng Yang

Yafeng Yang 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: 20180138243
    Abstract: The present disclosure relates to a display device in the field of display.
    Type: Application
    Filed: November 10, 2017
    Publication date: May 17, 2018
    Inventors: Wei Wang, Yafeng Yang, Xiaochuan Chen, Jing LV, Jifeng Tan, Can Zhang
  • Publication number: 20180120576
    Abstract: A stereo display panel is disclosed. The stereo display panel has: a collimated light display structure having first and second display regions configured to display left-eye and right-eye images respectively; and a light-redirecting structure disposed on a light exit surface of the collimated light display structure. The light-redirecting structure has a first portion and a second portion to deflect collimated light beams exiting from the first and second display regions towards predetermined left-eye viewing position and right-eye viewing position respectively, such that left-eye and right-eye virtual images seen by left and right eyes are located at a light incidence side of the collimated light display structure. A stereo display device having the stereo display panel is also disclosed.
    Type: Application
    Filed: August 16, 2017
    Publication date: May 3, 2018
    Inventors: Jian Gao, Xiaochuan Chen, Yafeng Yang, Can Zhang, Wei Wang, Xinli Ma, Jifeng Tan, Can Wang, Qian Wang
  • Publication number: 20180114489
    Abstract: The present disclosure relates to a display panel, a manufacturing method and a drive method thereof, and a display apparatus, in the field of display devices. The display panel comprises: an Organic Light-Emitting Diode panel and a reflecting Liquid Crystal Display panel arranged in a laminated mode, and a drive circuit, wherein the drive circuit is connected to the OLED panel and the reflecting LCD panel respectively; the drive circuit is used to drive the OLED panel or the reflecting LCD panel to display content in accordance with a control signal. The present disclosure solves the issue of display approach being relatively uniform by putting the OLED panel and the reflecting LCD panel together and controlling the OLED panel or the reflecting LCD panel to display content through the drive circuit.
    Type: Application
    Filed: October 19, 2017
    Publication date: April 26, 2018
    Inventors: Jifeng Tan, Yafeng Yang, Xiaochuan Chen
  • Publication number: 20180101052
    Abstract: A display module, a manufacturing method thereof and a corresponding display device are disclosed. The display module includes a pixel unit at least having a first subpixel, a second subpixel and a third subpixel. The display module further includes at least one prism structure arranged on a light incident side of the pixel unit. After incident light passes through the prism structure, the incident light is at least split into light of a first waveband incident on the first subpixel, light of a second waveband incident on the second subpixel and light of a third waveband incident on the third subpixel, wherein the first waveband, the second waveband and the third waveband are different from each other.
    Type: Application
    Filed: January 6, 2017
    Publication date: April 12, 2018
    Inventors: Yafeng YANG, Jing LV
  • Patent number: 9939687
    Abstract: A liquid crystal cell and method for fabricating the same, a liquid crystal display panel, and a display device are disclosed. The liquid crystal cell comprises an active area and a dummy area, and comprises a first and second substrate which are arranged oppositely and separated by spacers, and liquid crystal arranged between the first and second substrate. The liquid crystal cell further comprises a volume variation compensating component which is arranged in the active area, and the volume variation compensating component comprises a material with a thermal expansion coefficient opposite to that of the liquid crystal, so as to compensate variation in the volume of liquid crystal when temperature varies. Not only defects of gravity mura at high temperature and bubbles at low temperature are eliminated to spread LC Margin, but also the scope of application environment for the liquid crystal display panel is expanded.
    Type: Grant
    Filed: November 28, 2014
    Date of Patent: April 10, 2018
    Assignee: BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Ming Zhu, Yafeng Yang, Teruaki Suzuki
  • Patent number: 9897855
    Abstract: Embodiments of the present invention disclose a display panel and a display apparatus so as to increase the optical conversion efficiency of the display panel. The display panel comprises: an array substrate and a color filter substrate which are arranged oppositely; a liquid crystal layer arranged between the array substrate and the color filter substrate; an upper polarizing layer provided between the color filter substrate and the liquid crystal layer; and a quantum dot excitation layer provided on the color substrate, wherein the upper polarizing layer is configured such that a first linearly polarized light transmitted through the upper polarizing layer irradiates on the quantum dot excitation layer.
    Type: Grant
    Filed: March 25, 2015
    Date of Patent: February 20, 2018
    Assignee: BOE Technology Group Co., Ltd.
    Inventors: Yafeng Yang, Jing Lv, Ming Zhu
  • Publication number: 20180019265
    Abstract: A display panel, a fabrication method thereof and a display apparatus are provided. The display panel includes: a nanometer light splitting film arranged between an array substrate and a first polarizer. The nanometer light splitting film includes multiple light splitting units arranged in an array. Each light splitting unit corresponds to at least one sub-pixel unit. The light splitting unit includes a multi-step grating structure for splitting light corresponding to the at least one sub-pixel unit to obtain light of one or more predetermined colors.
    Type: Application
    Filed: July 17, 2017
    Publication date: January 18, 2018
    Applicant: BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Jifeng TAN, Yafeng YANG
  • Publication number: 20170269419
    Abstract: A liquid crystal display panel is provided. The liquid crystal display panel comprises: a first substrate (110) and a second substrate (120) which are oppositely arranged, and a liquid crystal layer (130) arranged between the first substrate (110) and the second substrate (120); an alignment film (300) arranged on an inner side of the first substrate (110); and a compensation film (400) arranged on an inner side or an outer side of the second substrate (120). The inner side of the first substrate (110) and the inner side of the second substrate (120) are sides facing each other, and the outer side of the second substrate (120) is a side provided away from the inner side of the second substrate (120).
    Type: Application
    Filed: July 21, 2016
    Publication date: September 21, 2017
    Applicant: BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Yafeng YANG, Xin LI
  • Patent number: 9753328
    Abstract: Provided are TFT-LCD panel, method for preparing the same, and TFT display device. The TFT-LCD panel includes an upper polarizer, a positive birefringence polymer substrate, a liquid crystal layer, a negative birefringence polymer substrate and a lower polarizer, wherein the positive birefringence polymer substrate and the negative birefringence polymer substrate locate at an upper side and an lower side of the liquid crystal layer respectively, the upper polarizer locates at an upper surface of the positive birefringence polymer substrate, the lower polarizer locates at a lower surface of the negative birefringence polymer substrate; the positive birefringence polymer substrate and the negative birefringence polymer substrate are equals in a birefringence retardation in an original birefringence state, and are equals in a birefringence retardation of in the photo-elasticity birefringence state.
    Type: Grant
    Filed: May 16, 2014
    Date of Patent: September 5, 2017
    Assignee: BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Yafeng Yang, Teruaki Suzuki, Jaegeon You
  • Publication number: 20170205550
    Abstract: A metal wire grid polarization plate and a manufacturing method thereof, a display panel and a display device are provided. The metal wire grid polarization plate includes a substrate, a light absorption wire grid and a metal wire grid. The light absorption wire grid is disposed on a side of the substrate, and the metal wire grid covers the light absorption wire grid.
    Type: Application
    Filed: August 23, 2016
    Publication date: July 20, 2017
    Inventors: Ming Zhu, Yafeng Yang, Zhen Liu, Jikai Yao
  • Patent number: 9638957
    Abstract: An embodiment of present invention discloses a liquid crystal display provided with viewing angle compensation. The liquid crystal display provided with viewing angle compensation comprises a liquid crystal cell in a vertical arrangement, upper and lower polarizer sheets, and further comprises the first biaxial compensation film provided between the liquid crystal cell and the lower polarizer sheet, the second biaxial compensation film provided between the liquid crystal cell and the upper polarizer sheet, and a monoaxial compensation film provided at the upside and/or downside of the liquid crystal cell. The embodiment of present invention may be applicable for the viewing angle compensation in wide viewing-angle techniques.
    Type: Grant
    Filed: October 8, 2012
    Date of Patent: May 2, 2017
    Assignee: BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Yafeng Yang, Guangkui Qin, Jiaoming Lu, Jaegeon You
  • Patent number: 9613553
    Abstract: A method and device for detecting uniformity of a dark state image of a display is disclosed. After an acquired dark state image of a display panel is divided into a plurality of areas according to a preset rule, RGB values of each area are determined and converted into XYZ values. The L* and C* values in the CIE-LCH standard are calculated and statistical analysis is performed to the L* and C* values of the areas in the dark state image to determine statistical parameters of the display image. A dark state uniformity coefficient of the dark state image is determined based on the determined statistical parameters, and the uniformity of the dark state image of the display panel is determined through the dark state uniformity coefficient.
    Type: Grant
    Filed: September 29, 2014
    Date of Patent: April 4, 2017
    Assignee: Boe Technology Group Co., Ltd.
    Inventors: Jaegeon You, Yafeng Yang, Kiman Kim, Qian Jia
  • Publication number: 20160357068
    Abstract: Embodiments of the present invention disclose a display panel and a display apparatus so as to increase the optical conversion efficiency of the display panel. The display panel comprises: an array substrate and a color filter substrate which are arranged oppositely; a liquid crystal layer arranged between the array substrate and the color filter substrate; an upper polarizing layer provided between the color filter substrate and the liquid crystal layer; and a quantum dot excitation layer provided on the color substrate, wherein the upper polarizing layer is configured such that a first linearly polarized light transmitted through the upper polarizing layer irradiates on the quantum dot excitation layer.
    Type: Application
    Filed: March 25, 2015
    Publication date: December 8, 2016
    Applicant: BOE Technology Group Co., Ltd.
    Inventors: Yafeng Yang, Jing Lv, Ming Zhu
  • Publication number: 20160349552
    Abstract: A display panel, a fabricating method thereof and a display device are provided. The display panel comprises: a first substrate (1); a second substrate (2), opposed to the first substrate (1); a sealant (3), disposed between the first substrate (1) and the second substrate (2) to seal the first substrate (1) and the second substrate (2), and the sealant (3) between adjacent display regions (10,11) between the first substrate (1) and the second substrate (2) including a pre-cutting position (a-a?); and a curing barrier layer (5), disposed at a position corresponding to the pre-cutting position on a surface facing the second substrate (2) of the first substrate (1) and/or on a surface facing the first substrate (1) of the second substrate (2). The sealant (3) covers the curing barrier layer (5). According to the display panel and the fabricating method thereof, the success rate of the sealant (3) break can be increased, and the design of the narrow bezel can be achieved.
    Type: Application
    Filed: July 21, 2015
    Publication date: December 1, 2016
    Applicant: BEO TECHNOLOGY GROUP CO., LTD.
    Inventors: Yue SHI, Xin GU, Jikai YAO, Guangkui QIN, Ming ZHU, Miki KASHIMA, Yafeng YANG
  • Patent number: 9459496
    Abstract: The present disclosure provides a display panel and a display device. The display panel includes a pixel unit including first and second sub-unit regions. Liquid crystal molecules in the liquid crystal layer corresponding to the first sub-unit region have a first initial alignment direction, and liquid crystal molecules in the liquid crystal layer corresponding to the second sub-unit region have a second initial alignment direction. The pixel unit further includes a third sub-unit region arranged between the first and second sub-unit regions. Liquid crystal molecules in the liquid crystal layer corresponding to the third sub-unit region have a third initial alignment direction, which is an alignment direction in a rotation from the first initial alignment direction towards the second initial alignment direction along a first rotation direction. An angle difference between the first and second initial alignment directions is greater than 0° and less than or equal to 90°.
    Type: Grant
    Filed: October 14, 2014
    Date of Patent: October 4, 2016
    Assignee: BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Teruaki Suzuki, Guangkui Qin, Yafeng Yang, Xin Gu, Miki Kashima, Kiman Kim
  • Publication number: 20160274399
    Abstract: Provided are TFT-LCD panel, method for preparing the same, and TFT display device. The TFT-LCD panel includes an upper polarizer, a positive birefringence polymer substrate, a liquid crystal layer, a negative birefringence polymer substrate and a lower polarizer, wherein the positive birefringence polymer substrate and the negative birefringence polymer substrate locate at an upper side and an lower side of the liquid crystal layer respectively, the upper polarizer locates at an upper surface of the positive birefringence polymer substrate, the lower polarizer locates at a lower surface of the negative birefringence polymer substrate; the positive birefringence polymer substrate and the negative birefringence polymer substrate are equals in a birefringence retardation in an original birefringence state, and are equals in a birefringence retardation of in the photo-elasticity birefringence state.
    Type: Application
    Filed: May 16, 2014
    Publication date: September 22, 2016
    Applicant: BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Yafeng YANG, Teruaki SUZUKI, Jaegeon YOU
  • Publication number: 20160139445
    Abstract: A liquid crystal cell and method for fabricating the same, a liquid crystal display panel, and a display device are disclosed. The liquid crystal cell comprises an active area and a dummy area, and comprises a first and second substrate which are arranged oppositely and separated by spacers, and liquid crystal arranged between the first and second substrate. The liquid crystal cell further comprises a volume variation compensating component which is arranged in the active area, and the volume variation compensating component comprises a material with a thermal expansion coefficient opposite to that of the liquid crystal, so as to compensate variation in the volume of liquid crystal when temperature varies. Not only defects of gravity mura at high temperature and bubbles at low temperature are eliminated to spread LC Margin, but also the scope of application environment for the liquid crystal display panel is expanded.
    Type: Application
    Filed: November 28, 2014
    Publication date: May 19, 2016
    Inventors: Ming Zhu, Yafeng Yang, Teruaki Suzuki
  • Publication number: 20160041431
    Abstract: The present disclosure provides a display panel and a display device. The display panel includes a pixel unit including first and second sub-unit regions. Liquid crystal molecules in the liquid crystal layer corresponding to the first sub-unit region have a first initial alignment direction, and liquid crystal molecules in the liquid crystal layer corresponding to the second sub-unit region have a second initial alignment direction. The pixel unit further includes a third sub-unit region arranged between the first and second sub-unit regions. Liquid crystal molecules in the liquid crystal layer corresponding to the third sub-unit region have a third initial alignment direction, which is an alignment direction in a rotation from the first initial alignment direction towards the second initial alignment direction along a first rotation direction. An angle difference between the first and second initial alignment directions is greater than 0° and less than or equal to 90°.
    Type: Application
    Filed: October 14, 2014
    Publication date: February 11, 2016
    Applicant: BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Teruaki Suzuki, Guangkui Qin, Yafeng Yang, Xin Gu, Miki Kashima, Kiman Kim
  • Publication number: 20150317929
    Abstract: The present invention discloses a method and device for image detection. After an acquired dark state image of a display panel is divided into a plurality of areas according to a preset rule, RGB values of each area are determined and converted into XYZ values. The L* and C* values in the CIE-LCH standard are calculated and statistical analysis is performed to the L* and C* values of the areas in the dark state image to determine statistical parameters of the display image. A dark state uniformity coefficient of the dark state image is determined based on the determined statistical parameters, and the uniformity of the dark state image of the display panel is determined through the dark state uniformity coefficient. A standard for evaluating uniformity of a dark state image is established through the above process, which facilitates unified detection of uniformity of the dark state image of the display panel.
    Type: Application
    Filed: September 29, 2014
    Publication date: November 5, 2015
    Inventors: Jaegeon You, Yafeng Yang, Kiman Kim, Qian Jia
  • Publication number: 20140218669
    Abstract: A display panel and a display device are disclosed. The display panel comprises a lower substrate, an upper substrate and a liquid crystal layer disposed between the upper substrate and the lower substrate, a lower polarizer is disposed at a light incident side of the lower substrate, an upper polarizer is disposed at a light exiting side of the upper substrate. The display panel further comprises a compensation layer disposed between the upper substrate and the liquid crystal layer and configured for converting a polarization direction of light exiting the upper substrate to the same as the polarization direction of light before incident on the lower substrate.
    Type: Application
    Filed: December 6, 2013
    Publication date: August 7, 2014
    Applicant: BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: TERUAKI SUZUKI, YAFENG YANG, KIMAN KIM