Patents by Inventor Song LAN

Song LAN 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: 12235544
    Abstract: The present application provides a display device. The display device comprises a quantum dot composite film, a liquid crystal display panel and a backlight module. The quantum dot composite film comprises a quantum dot film layer, and a light emerging surface of the quantum dot film layer is provided with a plurality of first prism structures. The first prism structure is employed to reduce an angle at which light emerges from the quantum dot film layer, thereby improving the front view brightness of the display device, and improving or avoiding the problem of light leakage of the display device in the large viewing angle of the dark state.
    Type: Grant
    Filed: December 9, 2021
    Date of Patent: February 25, 2025
    Assignee: SHENZHEN CHINA STAR OPTOELECTRONICS SEMICONDUCTOR DISPLAY TECHNOLOGY CO., LTD.
    Inventors: Chengxiao Sun, Miao Zhou, Lixuan Chen, Zhenxia Chen, Song Lan
  • Patent number: 12197084
    Abstract: The disclosure provides an organic compound, a polymer prepared by the organic compound, and a display panel containing the polymer. The organic compound is represented by formula (1) or formula (2). X1, X2, X3, and X4 are each independently selected from —CR2 and N, X1 and X2 are not CR2 at the same time, and X3 and X4 are not CR2 at the same time, R1 is independently selected from a single bond, a substituted or unsubstituted C6-C14 aromatic group, and a substituted or unsubstituted C5-C13 heteroaromatic group, and R2 is independently selected from —H or NH2.
    Type: Grant
    Filed: February 28, 2023
    Date of Patent: January 14, 2025
    Assignee: GUANGZHOU CHINA STAR OPTOELECTRONICS SEMICONDUCTOR DISPLAY TECHNOLOGY CO., LTD.
    Inventor: Song Lan
  • Publication number: 20240255807
    Abstract: The disclosure provides an organic compound, a polymer prepared by the organic compound, and a display panel containing the polymer. The organic compound is represented by formula (1) or formula (2). X1, X2, X3, and X4 are each independently selected from —CR2 and N, X1 and X2 are not CR2 at the same time, and X3 and X4 are not CR2 at the same time, R1 is independently selected from a single bond, a substituted or unsubstituted C6-C14 aromatic group, and a substituted or unsubstituted C5-C13 heteroaromatic group, and R2 is independently selected from —H or NH2.
    Type: Application
    Filed: February 28, 2023
    Publication date: August 1, 2024
    Applicant: GUANGZHOU CHINA STAR OPTOELECTRONICS SEMICONDUCTOR DISPLAY TECHNOLOGY CO., LTD.
    Inventor: Song LAN
  • Patent number: 12019329
    Abstract: The present application provides a backlight module and a quantum dot display device. The present application improves energy efficiency by modifying a backlight of the quantum dot display device. Specifically, energy efficiency of a light-emitting element is improved by adding a small amount of phosphors in the backlight module or setting a diffuser plate as a transparent diffuser plate. In addition, the quantum dot display device provided by the present application not only has a backlight device, but also has a quantum dot film layer and a polarizer.
    Type: Grant
    Filed: April 30, 2021
    Date of Patent: June 25, 2024
    Assignee: SHENZHEN CHINA STAR OPTOELECTRONICS SEMICONDUCTOR DISPLAY TECHNOLOGY CO., LTD.
    Inventors: Xue Bai, Song Lan, Miao Zhou, Dongze Li
  • Publication number: 20240045270
    Abstract: The present application provides a display device. The display device comprises a quantum dot composite film, a liquid crystal display panel and a backlight module. The quantum dot composite film comprises a quantum dot film layer, and a light emerging surface of the quantum dot film layer is provided with a plurality of first prism structures. The first prism structure is employed to reduce an angle at which light emerges from the quantum dot film layer, thereby improving the front view brightness of the display device, and improving or avoiding the problem of light leakage of the display device in the large viewing angle of the dark state.
    Type: Application
    Filed: December 9, 2021
    Publication date: February 8, 2024
    Applicant: SHENZHEN CHINA STAR OPTOELECTRONICS SEMICONDUCTOR DISPLAY TECHNOLOGY CO., LTD.
    Inventors: Chengxiao Sun, Miao Zhou, Lixuan Chen, Zhenxia Chen, Song Lan
  • Publication number: 20230257655
    Abstract: The present application discloses a compound with vertical alignment, a liquid crystal display panel, and a preparation method thereof. In the liquid crystal display panel of the present application, the liquid crystal material of the liquid crystal layer is a liquid crystal molecule doped with the compound with vertical alignment, thus omitting the alignment layer in the liquid crystal display panel or the polymerizable monomer in the liquid crystal material, and having the advantages of simplifying the preparation process, reducing production cost, and improving product yield.
    Type: Application
    Filed: December 30, 2020
    Publication date: August 17, 2023
    Applicant: TCL CHINA STAR OPTOELECTRONICS TECHNOLOGY CO., LTD.
    Inventor: Song LAN
  • Patent number: 11518939
    Abstract: A polymer-dispersed liquid crystal composition, a preparation method of a polymer-dispersed liquid crystal film, and a display panel are provided. The polymer-dispersed liquid crystal composition includes a prepolymer and a liquid crystal molecule, wherein the prepolymer is a fluorine-containing polyimide precursor chemically bonded to a polyaniline, including a polycondensation unit formed from a fluorine-containing dianhydride monomer and a fluorine-containing diamine monomer. In the present application, the conductive polyaniline is chemically bonded to the fluorine-containing polyimide precursor to increase the conductivity of the polyimide precursor. Further, a polymer-dispersed liquid crystal film having a driving voltage lower than 30 V and excellent insulating property and radiation resistance is obtained.
    Type: Grant
    Filed: November 5, 2019
    Date of Patent: December 6, 2022
    Assignee: Shenzhen China Star Optoelectronics Semiconductor Display Technology Co., Ltd.
    Inventor: Song Lan
  • Publication number: 20220357618
    Abstract: The present application provides a backlight module and a quantum dot display device. The present application improves energy efficiency by modifying a backlight of the quantum dot display device. Specifically, energy efficiency of a light-emitting element is improved by adding a small amount of phosphors in the backlight module or setting a diffuser plate as a transparent diffuser plate. In addition, the quantum dot display device provided by the present application not only has a backlight device, but also has a quantum dot film layer and a polarizer.
    Type: Application
    Filed: April 30, 2021
    Publication date: November 10, 2022
    Inventors: Xue BAI, Song LAN, Miao ZHOU, Dongze LI
  • Patent number: 11162027
    Abstract: The present disclosure provides a liquid crystal material, a method of manufacturing a liquid crystal display panel, and a display panel. The display panel includes a thin film transistor substrate, a color film substrate, a polymer layer structure, and a liquid crystal layer. During the preparation, after three different irradiations, the liquid crystal material is directly polymerized into the first polymer layer structure and the second polymer layer structure under the irradiations, eliminating the black matrix structure and the polyimide alignment film structure, improving the display effect of the panel, and reducing preparation costs.
    Type: Grant
    Filed: December 27, 2019
    Date of Patent: November 2, 2021
    Assignee: TCL CHINA STAR OPTOELECTRONICS TECHNOLOGY CO., LTD.
    Inventor: Song Lan
  • Patent number: 11111438
    Abstract: The embodiment of the present invention discloses a display panel and a display device. The present invention, by designing a supportive blocking wall, divides a liquid crystal cell into regions, and fills vertical alignment agents with corresponding structures in the different regions of the liquid crystal cell to adjust alignment ability of liquid crystal molecules in gap regions among different liquid crystal layers such that the liquid crystal molecules in the different regions have the same alignment ability to mitigate phenomenon of poor alignment of the liquid crystal molecules and improve display effect of the display panel.
    Type: Grant
    Filed: September 20, 2019
    Date of Patent: September 7, 2021
    Assignee: TCL CHINA STAR OPTOELECTRONICS TECHNOLOGY CO., LTD.
    Inventor: Song Lan
  • Patent number: 11059204
    Abstract: According to the present disclosure, a plurality of aluminum oxide nanoparticles and a polymerizable monomer are dissolved in a polyimide solution to obtain a polyimide mixed solution. Next, the polyimide mixed solution is coated onto a glass substrate. Then, the surface of the glass substrate is irradiated with UV light to form a network polymer on the surface of the glass substrate, the network polymer enclosing the aluminum oxide nanoparticles. Finally, the glass substrate is heated to form the flexible material having the surface protecting layer. Abrasion resistance of the flexible material manufactured according to the present disclosure is excellent.
    Type: Grant
    Filed: March 16, 2018
    Date of Patent: July 13, 2021
    Assignee: Shenzhen China Star Optoelectronics Semiconductor Display Technology Co., Ltd.
    Inventor: Song Lan
  • Publication number: 20210179941
    Abstract: The present disclosure provides a liquid crystal material, a method of manufacturing a liquid crystal display panel, and a display panel. The display panel includes a thin film transistor substrate, a color film substrate, a polymer layer structure, and a liquid crystal layer. During the preparation, after three different irradiations, the liquid crystal material is directly polymerized into the first polymer layer structure and the second polymer layer structure under the irradiations, eliminating the black matrix structure and the polyimide alignment film structure, improving the display effect of the panel, and reducing preparation costs.
    Type: Application
    Filed: December 27, 2019
    Publication date: June 17, 2021
    Inventor: Song LAN
  • Patent number: 11008516
    Abstract: A liquid crystal material and a liquid crystal display panel includes a liquid crystal material including liquid crystal molecules, a polymerizable monomer, and an auxiliary alignment agent. A structural formula of the auxiliary alignment agent is: The A group includes at least one oxygen atom, at least one nitrogen atom, or at least one oxygen atom and at least one nitrogen atom, the Sp group essentially is a —(CH2)n— group, the Z group is selected from: and any combination thereof, the R group is a straight or branched first alkyl group containing 5 to 20 carbon atoms, and the L group is selected from: and any combination thereof.
    Type: Grant
    Filed: March 19, 2018
    Date of Patent: May 18, 2021
    Assignee: SHENZHEN CHINA STAR OPTOELECTRONICS SEMICONDUCTOR DISPLAY TECHNOLOGY CO., LTD.
    Inventor: Song Lan
  • Publication number: 20210096430
    Abstract: The embodiment of the present invention discloses a display panel and a display device. The present invention, by designing a supportive blocking wall, divides a liquid crystal cell into regions, and fills vertical alignment agents with corresponding structures in the different regions of the liquid crystal cell to adjust alignment ability of liquid crystal molecules in gap regions among different liquid crystal layers such that the liquid crystal molecules in the different regions have the same alignment ability to mitigate phenomenon of poor alignment of the liquid crystal molecules and improve display effect of the display panel.
    Type: Application
    Filed: September 20, 2019
    Publication date: April 1, 2021
    Inventor: Song LAN
  • Publication number: 20210079299
    Abstract: A polymer-dispersed liquid crystal composition, a preparation method of a polymer-dispersed liquid crystal film and a display panel are provided. The polymer-dispersed liquid crystal composition includes a polymer monomer and a liquid crystal molecule, wherein the polymer monomer is a fluorine-containing polyimide monomer chemically bonded to polyaniline, including a polycondensation unit including a fluorine-containing dianhydride monomer and a fluorine-containing diamine monomer. In the present application, conductive polyaniline is chemically bonded to the fluorine-containing polyimide monomer to increase the conductivity of the polyimide monomer. Further, a polymer-dispersed liquid crystal film having a driving voltage lower than 30 V and having excellent insulating property and radiation resistance is obtained.
    Type: Application
    Filed: November 5, 2019
    Publication date: March 18, 2021
    Inventor: Song LAN
  • Patent number: 10899697
    Abstract: Disclosed is a material for a vertical aligning agent, and a molecular structure of the material is shown in formula (I): R-L1P-L2nQ??(I) wherein Q is a polar anchor group, L1 is a rigid group, P is a polymerizable group, L2 is a linking group, R is a terminal flexible group, and n is in a range from 1 to 3. In the material, the polar anchor group is connected to the polymerizable group, which is beneficial to increase an aspect ratio of the material. Therefore, a fluid viscosity of the material can be reduced, and a diffusion effect of the material on a substrate can be improved.
    Type: Grant
    Filed: January 16, 2017
    Date of Patent: January 26, 2021
    Assignee: SHENZHEN CHINA STAR OPTOELECTRONICS TECHNOLOGY CO., LTD.
    Inventor: Song Lan
  • Patent number: 10824017
    Abstract: Disclosed are a thermal crosslink material, a manufacture method of a liquid crystal display panel, and a liquid crystal display panel. A structural formula of the thermal crosslink material is wherein A is B is and R is a linear or chain branched alkyl having 5-20 C atoms, wherein one or more CH2 in the alkyl is substituted with phenyl, cycloalkyl, —O—, —CONH—, —COO—, —O—CO—, —CO—, or —CH?CH— group, or one or more H atoms in the first group are substituted with F atom or Cl atom; a specific crosslink material may be one of Molecules of the thermal crosslink material crosslink together to form a polymer having a crosslinked network, and groups A and B can be anchored on a substrate surface. The branch R provides an effect of vertical alignment and can form alignment films.
    Type: Grant
    Filed: March 11, 2019
    Date of Patent: November 3, 2020
    Assignee: SHENZHEN CHINA STAR OPTOELECTRONICS TECHNOLOGY CO., LTD.
    Inventors: Song Lan, Yungjui Lee
  • Patent number: 10824018
    Abstract: Disclosed are a thermal crosslink material, a manufacture method of a liquid crystal display panel, and a liquid crystal display panel. A structural formula of the thermal crosslink material is wherein A is B is and R is a linear or chain branched alkyl having 5-20 C atoms, wherein one or more CH2 in the alkyl is substituted with phenyl, cycloalkyl, —O—, —CONH—, —COO—, —O—CO—, —CO—, or —CH?CH— group, or one or more H atoms in the first group are substituted with F atom or Cl atom; a specific crosslink material may be one of Molecules of the thermal crosslink material crosslink together to form a polymer having a crosslinked network, and groups A and B can be anchored on a substrate surface. The branch R provides an effect of vertical alignment and can form alignment films.
    Type: Grant
    Filed: March 11, 2019
    Date of Patent: November 3, 2020
    Assignee: Shenzhen China Star Optoelectonics Technology Co., Ltd.
    Inventors: Song Lan, Yungjui Lee
  • Patent number: 10795220
    Abstract: A graphene transparent conductive film is disclosed. The graphene transparent conductive film includes graphene and a vertical alignment agent. A method for manufacturing the graphene transparent conductive film is further disclosed. In the method, graphene, a surfactant, and water are mixed to obtain a graphene solution; a vertical alignment agent is added to the graphene solution to obtain a graphene transparent conductive film liquid, and the film liquid is coated on a substrate and heated to obtain the graphene transparent conductive film. The vertical alignment agent can reduce a surface energy of liquid crystal molecules in a polymer matrix, increase a contact angle, so that the liquid crystal molecules can be aligned vertically.
    Type: Grant
    Filed: January 17, 2017
    Date of Patent: October 6, 2020
    Assignee: SHENZHEN CHINA STAR OPTOELECTRONICS TECHNOLOGY CO., LTD.
    Inventor: Song Lan
  • Publication number: 20200270526
    Abstract: A liquid crystal material and a liquid crystal display panel are provided. The liquid crystal material includes liquid crystal molecules, a polymerizable monomer, and an auxiliary alignment agent. A structural formula of the auxiliary alignment agent comprises at least one A group, at least one Sp group, at least one Z group, at least one R group, and at least one L group.
    Type: Application
    Filed: March 19, 2018
    Publication date: August 27, 2020
    Inventor: Song LAN