Patents by Inventor Aiguo Tu

Aiguo Tu 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: 10510811
    Abstract: The present invention disclosures a color filter used for a WOLED display apparatus. The color filter includes a red pixel section, a green pixel section, a blue pixel section and a white pixel section. A red photoresist is disposed in the red pixel section, a green photoresist is disposed in the green pixel section, and a blue photoresist is disposed in the blue pixel section. The white pixel section includes a first sub-section, and a red photoresist, a green photoresist or a blue photoresist is disposed in the first sub-section. The present invention further disclosures a WOLED display apparatus including above color filter. The color filter of the present invention can reduce a Y value of chromaticity coordinate of the white pixel. Required brightness of the monochromatic pixels drops at a white image and power consumption is reduced. Accordingly, the life of display devices rises.
    Type: Grant
    Filed: April 4, 2018
    Date of Patent: December 17, 2019
    Assignee: SHENZHEN CHINA STAR OPTOELECTRONICS SEMICONDUCTOR DISPLAY TECHNOLOGY CO., LTD.
    Inventor: Aiguo Tu
  • Patent number: 10424756
    Abstract: The present application provides a flexible display apparatus and a white light organic electroluminescent device including an anode, a first blue light emitting unit, a second yellow light emitting unit, a third blue light emitting unit, and a cathode successively laminated and disposed, wherein the second yellow light emitting unit including a red light emitting layer. The flexible display apparatus and a white light organic electroluminescent device provided by the application enhances the luminous intensity of the red light band in the three-laminated layer white light organic electroluminescent device by adding a red light emitting layer, and optimizes the spectrum of the white OLED device, when used as a display device it can reduce power consumption of the display apparatus.
    Type: Grant
    Filed: July 17, 2017
    Date of Patent: September 24, 2019
    Assignee: Shenzhen China Star Optoelectronics Technology Co., Ltd
    Inventors: Aiguo Tu, Jinchuan Li, Liang Jiang, Wei Yuan, Yang Liu, Shibo Jiao
  • Patent number: 10424736
    Abstract: An aging test system and method are disclosed. An aging test system includes a vacuum chamber provided with an aging device for aging a display panel; a lighting mechanism electrically connected to the display panel for lighting up the display panel; at least one spectrometer for detecting a color coordinate and a brightness of the display panel; at least one camera for detecting a dark spot defect of sub-pixels of the display panel. Accordingly, the present invention can save the inspection time, increase the inspection efficiency and save the inspection device in order to reduce the inspection cost.
    Type: Grant
    Filed: August 17, 2017
    Date of Patent: September 24, 2019
    Assignee: Shenzhen China Star Optoelectronics Technology Co., Ltd
    Inventors: Aiguo Tu, Chun-Hsiung Fang, Tsung-yuan Wu, Jinchuan Li, Liang Jiang, Feng Wei
  • Patent number: 10411213
    Abstract: The present disclosure relates to a white light OLED and a display panel. The OLED includes a first electrode, a first hole injection layer, a first hole transport layer, a first luminous layer, a first electron transport layer, a charge generation layer, a second hole injection layer, a second hole transport layer, an electron blocking layer, a second luminous layer, a third luminous layer, a second electron transport layer, and a second electrode stacked in sequence. The first luminous layer is a blue luminous layer, the second luminous layer is a blue luminous layer, and the third luminous layer is a yellow luminous layer. With such configuration, the color shift and the power consumption issue caused by insufficient blue light may be effectively overcome.
    Type: Grant
    Filed: July 21, 2017
    Date of Patent: September 10, 2019
    Assignee: Shenzhen China Star Optoelectronics Technology Co., Ltd
    Inventor: Aiguo Tu
  • Publication number: 20190203343
    Abstract: The present application provides an evaporation source, including a cavity and a nozzle. The cavity includes a top and a bottom opposite to each other, the nozzle is disposed on the top wall of the cavity and connected to a draft tube, a fixing device is disposed on the side wall of the cavity, the draft tube is bent through the top of the cavity and fixed to the side wall surface of the cavity by the fixing device. The draft tube is fixed on the side wall surface of the cavity by the fixing device, when the draft tube leaves the evaporation source, it also passes through the relatively high temperature area of the side wall surface of the cavity, the temperature drop of the draft tube slows down so that the temperature in the pipeline is high. The present application also provides a vapor deposition apparatus.
    Type: Application
    Filed: August 8, 2018
    Publication date: July 4, 2019
    Inventors: Aiguo TU, Jinchuan LI
  • Publication number: 20190206943
    Abstract: The present invention disclosures a color filter used for a WOLED display apparatus. The color filter includes a red pixel section, a green pixel section, a blue pixel section and a white pixel section. A red photoresist is disposed in the red pixel section, a green photoresist is disposed in the green pixel section, and a blue photoresist is disposed in the blue pixel section. The white pixel section includes a first sub-section, and a red photoresist, a green photoresist or a blue photoresist is disposed in the first sub-section. The present invention further disclosures a WOLED display apparatus including above color filter. The color filter of the present invention can reduce a Y value of chromaticity coordinate of the white pixel. Required brightness of the monochromatic pixels drops at a white image and power consumption is reduced. Accordingly, the life of display devices rises.
    Type: Application
    Filed: April 4, 2018
    Publication date: July 4, 2019
    Inventor: Aiguo TU
  • Patent number: 10270065
    Abstract: The present disclosure provides a heat radiation structure for an organic light-emitting device, which includes a heat radiation plate and a thermal isolation layer disposed on a side surface of the heat radiation plate for insulating heat of a driving circuit of the organic light-emitting device. The present disclosure also provides a display apparatus, which includes a support frame and a panel disposed in the support frame, and also includes the heat radiation structure for the organic light-emitting device, wherein the heat radiation plate is disposed in the support frame and opposite to the panel, the thermal isolation layer is disposed on a side surface of the heat radiation plate away from the panel, the heat radiation plate forms a rear cover of the display apparatus, and a flexible circuit board of the panel is bent to a side surface of the thermal isolation layer away from the panel.
    Type: Grant
    Filed: July 6, 2017
    Date of Patent: April 23, 2019
    Assignee: Shenzhen China Star Optoelectronics Technology Co., Ltd.
    Inventors: Aiguo Tu, Jinchuan Li, Feng Wei, Liang Jiang
  • Patent number: 10263209
    Abstract: Disclosed is a fluorescent/phosphorescent mixed white organic light-emitting diode, which has high efficiency and good spectral stability.
    Type: Grant
    Filed: January 20, 2017
    Date of Patent: April 16, 2019
    Assignee: Shenzhen China Star Optoelectronics Technology Co., Ltd
    Inventors: Wei Yuan, Aiguo Tu
  • Publication number: 20190013473
    Abstract: An aging test system and method are disclosed. An aging test system includes a vacuum chamber provided with an aging device for aging a display panel; a lighting mechanism electrically connected to the display panel for lighting up the display panel; at least one spectrometer for detecting a color coordinate and a brightness of the display panel; at least one camera for detecting a dark spot defect of sub-pixels of the display panel. Accordingly, the present invention can save the inspection time, increase the inspection efficiency and save the inspection device in order to reduce the inspection cost.
    Type: Application
    Filed: August 17, 2017
    Publication date: January 10, 2019
    Applicant: Shenzhen China Star Optoelectronics Technology Co., Ltd.
    Inventors: Aiguo TU, CHUN-HSIUNG FANG, Tsung-yuan WU, Jinchuan LI, Liang JIANG, Feng WEI
  • Publication number: 20190006610
    Abstract: The present disclosure relates to a white light OLED and a display panel. The OLED includes a first electrode, a first hole injection layer, a first hole transport layer, a first luminous layer, a first electron transport layer, a charge generation layer, a second hole injection layer, a second hole transport layer, an electron blocking layer, a second luminous layer, a third luminous layer, a second electron transport layer, and a second electrode stacked in sequence. The first luminous layer is a blue luminous layer, the second luminous layer is a blue luminous layer, and the third luminous layer is a yellow luminous layer. With such configuration, the color shift and the power consumption issue caused by insufficient blue light may be effectively overcome.
    Type: Application
    Filed: July 21, 2017
    Publication date: January 3, 2019
    Applicant: Shenzhen China Star Optoelectronics Technology Co., Ltd.
    Inventor: Aiguo TU
  • Publication number: 20180375051
    Abstract: The present application provides a flexible display apparatus and a white light organic electroluminescent device including an anode, a first blue light emitting unit, a second yellow light emitting unit, a third blue light emitting unit, and a cathode successively laminated and disposed, wherein the second yellow light emitting unit including a red light emitting layer. The flexible display apparatus and a white light organic electroluminescent device provided by the application enhances the luminous intensity of the red light band in the three-laminated layer white light organic electroluminescent device by adding a red light emitting layer, and optimizes the spectrum of the white OLED device, when used as a display device it can reduce power consumption of the display apparatus.
    Type: Application
    Filed: July 17, 2017
    Publication date: December 27, 2018
    Applicant: Shenzhen China Star Optoelectronics Technology Co., Ltd.
    Inventors: Aiguo TU, Jinchuan LI, Liang JIANG, Wei YUAN, Yang LIU, Shibo JIAO
  • Publication number: 20180375055
    Abstract: The present disclosure provides a heat radiation structure for an organic light-emitting device, which includes a heat radiation plate and a thermal isolation layer disposed on a side surface of the heat radiation plate for insulating heat of a driving circuit of the organic light-emitting device. The present disclosure also provides a display apparatus, which includes a support frame and a panel disposed in the support frame, and also includes the heat radiation structure for the organic light-emitting device, wherein the heat radiation plate is disposed in the support frame and opposite to the panel, the thermal isolation layer is disposed on a side surface of the heat radiation plate away from the panel, the heat radiation plate forms a rear cover of the display apparatus, and a flexible circuit board of the panel is bent to a side surface of the thermal isolation layer away from the panel.
    Type: Application
    Filed: July 6, 2017
    Publication date: December 27, 2018
    Inventors: Aiguo TU, Jinchuan LI, Feng WEI, Liang JIANG
  • Patent number: 10147899
    Abstract: Provided is a tandem organic electroluminescent element, comprising a first electrode, a first light emitting unit, a third electron transporting layer, a second electron transporting layer, a first electron transporting layer, a charge generation layer, a second light emitting unit and a second electrode which are stacked up from bottom to top; both the first electron transporting layer and the second electron transporting layer comprising n type dopant, and a concentration of the n type dopant in the first electron transporting layer being larger than a concentration of the n type dopant in the second electron transporting layer, and the third electron transporting layer comprising no n type dopant; the arrangement of the first, the second and the third electron transporting layers can reduce the energy barrier of injecting electrons into the first light emitting unit by the charge generation layer to make the electrons easy to be injected.
    Type: Grant
    Filed: February 15, 2017
    Date of Patent: December 4, 2018
    Assignee: SHENZHEN CHINA STAR OPTOELECTRONICS TECHNOLOGY CO., LTD.
    Inventors: Aiguo Tu, Wei Yuan
  • Publication number: 20180269419
    Abstract: Provided is a tandem organic electroluminescent element, comprising a first electrode, a first light emitting unit, a third electron transporting layer, a second electron transporting layer, a first electron transporting layer, a charge generation layer, a second light emitting unit and a second electrode which are stacked up from bottom to top; both the first electron transporting layer and the second electron transporting layer comprising n type dopant, and a concentration of the n type dopant in the first electron transporting layer being larger than a concentration of the n type dopant in the second electron transporting layer, and the third electron transporting layer comprising no n type dopant; the arrangement of the first, the second and the third electron transporting layers can reduce the energy barrier of injecting electrons into the first light emitting unit by the charge generation layer to make the electrons easy to be injected.
    Type: Application
    Filed: February 15, 2017
    Publication date: September 20, 2018
    Inventors: Aiguo Tu, Wei Yuan
  • Publication number: 20180219168
    Abstract: Disclosed is a fluorescent/phosphorescent mixed white organic light-emitting diode, which has high efficiency and good spectral stability.
    Type: Application
    Filed: January 20, 2017
    Publication date: August 2, 2018
    Applicant: Shenzhen China Star Optoelectronics Technology Co., Ltd.
    Inventors: Wei Yuan, Aiguo Tu