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).

  • Publication number: 20190086737
    Abstract: A material of alignment film, a method of fabricating a liquid crystal display panel, and a liquid crystal display panel are provided. The material of alignment film is obtained by mixing a polymerizable monomer in the polyamic acid solution, thus is easy to fabricate. The method of fabricating the liquid crystal display panel obtains an alignment film including a polyimide film and polymer protrusions located on a surface of the polyimide film by coating the material of alignment film on a substrate, and going through a series of processes; the alignment film can allow liquid crystal molecules arrange in vertical alignment and generate a pre-inclination angle, and a risk of the polymerizable monomer contaminating the liquid crystal molecules does not exist, so as to enhance quality of the liquid crystal display panel. The liquid crystal display panel has a simple structure and good alignment effect, and has excellent display quality.
    Type: Application
    Filed: November 20, 2018
    Publication date: March 21, 2019
    Inventor: Song Lan
  • Publication number: 20190085246
    Abstract: A reactive perpendicular aligned organosilicon material is provided, having a general structural formula in the form of A-R, where A is —SiCl3 and R represents a linear chained or a branched chained alkyl group with 5-20 carbon atoms. A CH2 group in the alkyl group is substituted by a phenyl group, a naphthenic base, —CONH—, —COO—, —O—CO—, —S—, —CO—, or —CH?CH—, or an F atom or a Cl atom substitutes an H atom in the alkyl group. A Cl atom in the reactive perpendicular aligned organosilicon material and —OH on a surface of a substrate having no Pl thereon form a hydrogen bond, leading to vertical arrangement of liquid crystal molecules between two opposite substrates.
    Type: Application
    Filed: November 20, 2018
    Publication date: March 21, 2019
    Inventor: Song Lan
  • Patent number: 10209552
    Abstract: The invention provides a PDLC display panel, manufacturing method thereof, and an LCD. The PDLC display panel comprises a PDLC layer, which comprising a plurality of red sub-pixel portions, green sub-pixel portions, and blue sub-pixel portions. The red, green and blue sub-pixel portion is a PDLC film having red, green and blue dye, respectively. The light passing through the red, green, and blue sub-pixel portions of the PDLC layer displays red, green and blue colors respectively. The PDLC display panel is simple in structure, on the premise to achieve color display, eliminating the upper and lower polarizers, polyimide (PI) alignment layer, CF layer and the black matrix, to achieve high light penetration rate and low manufacturing costs, as well as high backlight utilization with the use of quantum dot layer in the CF substrate.
    Type: Grant
    Filed: December 28, 2015
    Date of Patent: February 19, 2019
    Assignee: SHENZHEN CHINA STAR OPTOELECTRONICS TECHNOLOGY CO., LTD.
    Inventors: Song Lan, Yungjui Lee, Ji Li, Xiaolong Ma
  • Patent number: 10184080
    Abstract: The present application provides a liquid crystal material, a method of fabricating a liquid crystal display panel, and a liquid crystal display panel. The liquid crystal material of the present application includes liquid crystal molecules, polymerizable monomers and a reactive vertical alignment material, the polymerizable monomers and the reactive vertical alignment material can occur a polymerization under ultraviolet irradiation to form a polymer, while the polymer deposits on a substrate to form a polymer film capable of replacing the PI alignment film, the reactive vertical alignment material includes a polymerizable group L that strengthens polymerization ability of the reactive vertical alignment material, increases compactness of forming the polymer film, improves morphology of the polymer film, and enhances panel quality.
    Type: Grant
    Filed: May 18, 2016
    Date of Patent: January 22, 2019
    Assignee: SHENZHEN CHINA STAR OPTOELECTRONICS TECHNOLOGY CO., LTD.
    Inventor: Song Lan
  • Patent number: 10168580
    Abstract: The present application provides a material of alignment film, a method of fabricating a liquid crystal display panel, and a liquid crystal display panel. The material of alignment film of the present application is obtained by mixing a polymerizable monomer in the polyamic acid solution, thus is easy to fabricate. The method of fabricating the liquid crystal display panel of the present application obtains an alignment film including a polyimide film and polymer protrusions located on a surface of the polyimide film by coating the material of alignment film on a substrate, and going through a series of processes; the alignment film can allow liquid crystal molecules arrange in vertical alignment and generate a pre-inclination angle, and a risk of the polymerizable monomer contaminating the liquid crystal molecules does not exist, so as to enhance quality of the liquid crystal display panel.
    Type: Grant
    Filed: June 21, 2016
    Date of Patent: January 1, 2019
    Assignee: SHENZHEN CHINA STAR OPTOELECTRONICS TECHNOLOGY CO., LTD.
    Inventor: Song Lan
  • Patent number: 10167426
    Abstract: The disclosure provides a reactive perpendicular aligned organosilicon material and a manufacture method of a liquid crystal display panel, a general structural formula of the reactive perpendicular aligned organosilicon material is A-R, A is —SiCl3; R represents a linear chained or a branched chained alkyl group with 5˜20 C atoms, a CH2 group in the alkyl group is substituted by a phenyl group, a naphthenic base, —CONH—, —COO—, —O—CO—, —S—, —CO— or —CH?CH—, or a F atom or a Cl atom substitutes for a H atom in the alkyl group. A Cl atom in the reactive perpendicular aligned organosilicon material and —OH on a surface of the substrate without a PI film can form a hydrogen bond, leading to vertical arrangement of liquid crystal molecules.
    Type: Grant
    Filed: December 23, 2015
    Date of Patent: January 1, 2019
    Assignee: SHENZHEN CHINA STAR OPTOELECTRONICS TECHNOLOGY CO., LTD.
    Inventor: Song Lan
  • Patent number: 10151951
    Abstract: Disclosed are a liquid crystal material, a liquid crystal display panel and a manufacture method of a liquid crystal display panel. The liquid crystal material comprises liquid crystal molecules, and photosensitive vertical alignment material mixed thereamong, and the photosensitive vertical alignment material comprises a head group A, a middle base group Sp, a photosensitive base group B and a tail group R. The head group A is anchored on the substrate so that the entire molecules are aligned perpendicular with the substrate, and a photo reaction takes place to the photosensitive base group B by being irradiated with the ultraviolet light from the tilted direction, which leads to the alignment direction change of the entire molecules to be aligned on the substrate with a certain tilted angle according to the irradiation direction of the ultraviolet light. The liquid crystal molecules at the surfaces of the substrate have a pre-tilted angle.
    Type: Grant
    Filed: May 18, 2016
    Date of Patent: December 11, 2018
    Assignee: SHENZHEN CHINA STAR OPTOELECTRONICS TECHNOLOGY CO., LTD.
    Inventor: Song Lan
  • Publication number: 20180312748
    Abstract: The present invention provides a quantum rod composition, a quantum rod polarizer and a fabricating method for the same. The quantum rod composition of the present invention comprises the photo-alignment agent modified quantum rods, the polymerizable monomers, and a solvent, said photo-alignment agent modified quantum rods are capable of being oriented in arrangement under irradiation of linearly polarized light, said polymerizable monomers are capable of forming polymer network under irradiation of UV light, thereby anchoring said photo-alignment agent modified quantum rods, for retaining arrangement directions thereof. The fabricating method of quantum rod polarizer of the present invention, applies the aforementioned quantum rod composition to prepare the quantum rod polarizer with simplified fabricating process. In the fabricated quantum rod polarizer, the photo-alignment agent modified quantum rods are consistent and retained in arrangement directions, and have stable polarizing property.
    Type: Application
    Filed: April 10, 2017
    Publication date: November 1, 2018
    Inventor: Song Lan
  • Patent number: 10100256
    Abstract: The present application provides a ligand-modified quantum dot material, a method of fabricating a liquid crystal display panel, and a liquid crystal display panel. The ligand-modified quantum dot material of the present application can occur a polymerization with the ligand-modified quantum dot material under ultraviolet irradiation to form a polymer, while the polymer deposits on a substrate to form a polymer film, which can replace the PI alignment film, so that an alignment process of liquid crystal is simplified, and a cost is economized; simultaneously, display quality of a liquid crystal display panel can be improved by the quantum dots anchored in the polymer film. The method of fabricating the liquid crystal display panel of the present application eliminates the fabricating process of the PI alignment film, the method has simple process and low cost, and a liquid crystal display panel obtained thereby has better display quality.
    Type: Grant
    Filed: May 13, 2016
    Date of Patent: October 16, 2018
    Assignee: SHENZHEN CHINA STAR OPTOELECTRONICS TECHNOLOGY CO., LTD.
    Inventor: Song Lan
  • Patent number: 10093859
    Abstract: The invention relates to the field of liquid crystal technology, and more particularly to an alignment film being applied in a PSVA liquid crystal display panel and including a first branched chain M and a second branched chain Q bonded on polyimide as a main chain and thus having a structure as shown in the following formula: The first branched chain M is a group applied to deflect the liquid crystal in a distribution state; the second branched chain Q is a group containing nitrobenzophenone or benzoquinonyl. The invention also provides a liquid crystal display panel using the alignment film. The invention can effectively suppress the broken bright point issue of panel and thereby improve panel quality.
    Type: Grant
    Filed: October 28, 2015
    Date of Patent: October 9, 2018
    Assignee: Shenzhen China Star Optoelectronics Technology Co., Ltd
    Inventor: Song Lan
  • Publication number: 20180216007
    Abstract: Disclosed is a trans-PDLC liquid crystal material composition, including a vertical alignment agent, a liquid crystal material, and an acrylic monomer. Molecules of the vertical alignment agent include polar groups and non-polar groups. The vertical alignment agent can reduce surface energy of liquid crystal molecules in a polymer matrix and increase contact angle, so that the liquid crystal molecules can be arranged in a vertical way.
    Type: Application
    Filed: January 17, 2017
    Publication date: August 2, 2018
    Applicant: Shenzhen China Star Optoelectronics Technology Co., Ltd.
    Inventors: Song Lan, Hsiao Hsien Chen
  • Patent number: 9963471
    Abstract: The present invention provides a liquid crystal vertical alignment agent, and the liquid crystal vertical alignment agent can make the liquid crystal molecules vertically orientated relative to the substrate surface. The liquid crystal vertical alignment agent makes a cheap price, a stable performance and can make the liquid crystal molecules be vertically aligned. The alignment film such as polyimide (PI) in the present liquid crystal display (such as TFT-LCD) can be replaced, which is beneficial for raising the display performance of the liquid crystal display. The present invention further provides a liquid crystal display element, and the liquid crystal display element utilizes the said liquid crystal vertical alignment agent to make the alignment of the liquid crystal molecules in the vertical direction more consistent and have long term stability.
    Type: Grant
    Filed: June 26, 2015
    Date of Patent: May 8, 2018
    Assignee: Shenzhen China Star Optoelectronics Technology Co., Ltd
    Inventor: Song Lan
  • Publication number: 20180120650
    Abstract: Disclosed are a liquid crystal material, a liquid crystal display panel and a manufacture method of a liquid crystal display panel. The liquid crystal material comprises liquid crystal molecules, and photosensitive vertical alignment material mixed thereamong, and the photosensitive vertical alignment material comprises a head group A, a middle base group Sp, a photosensitive base group B and a tail group R. The head group A is anchored on the substrate so that the entire molecules are aligned perpendicular with the substrate, and a photo reaction takes place to the photosensitive base group B by being irradiated with the ultraviolet light from the tilted direction, which leads to the alignment direction change of the entire molecules to be aligned on the substrate with a certain tilted angle according to the irradiation direction of the ultraviolet light. The liquid crystal molecules at the surfaces of the substrate have a pre-tilted angle.
    Type: Application
    Filed: May 18, 2016
    Publication date: May 3, 2018
    Inventor: Song Lan
  • Publication number: 20180120652
    Abstract: The present application provides a liquid crystal material, a method of fabricating a liquid crystal display panel, and a liquid crystal display panel. The liquid crystal material of the present application includes liquid crystal molecules, polymerizable monomers and a vertical alignment agent, the polymerizable monomers and the vertical alignment agent can occur a polymerization under ultraviolet irradiation to form a polymer, while the polymer deposits on a substrate to form a polymer film capable of replacing the PI alignment film; so that an alignment process of the liquid crystal is simplified, a cost is economized. The method of fabricating the liquid crystal display panel of the present application eliminates the fabricating process of the alignment film, the method has simple process and low cost.
    Type: Application
    Filed: May 13, 2016
    Publication date: May 3, 2018
    Inventors: Song Lan, Yungjui Lee
  • Publication number: 20180105750
    Abstract: The present application provides a liquid crystal material, a method of fabricating a liquid crystal display panel, and a liquid crystal display panel. The liquid crystal material of the present application includes liquid crystal molecules, polymerizable monomers and a reactive vertical alignment material, the polymerizable monomers and the reactive vertical alignment material can occur a polymerization under ultraviolet irradiation to form a polymer, while the polymer deposits on a substrate to form a polymer film capable of replacing the PI alignment film, the reactive vertical alignment material includes a polymerizable group L that strengthens polymerization ability of the reactive vertical alignment material, increases compactness of forming the polymer film, improves morphology of the polymer film, and enhances panel quality.
    Type: Application
    Filed: May 18, 2016
    Publication date: April 19, 2018
    Inventor: Song Lan
  • Publication number: 20180079960
    Abstract: The present application provides a ligand-modified quantum dot material, a method of fabricating a liquid crystal display panel, and a liquid crystal display panel. The ligand-modified quantum dot material of the present application can occur a polymerization with the ligand-modified quantum dot material under ultraviolet irradiation to form a polymer, while the polymer deposits on a substrate to form a polymer film, which can replace the PI alignment film, so that an alignment process of liquid crystal is simplified, and a cost is economized; simultaneously, display quality of a liquid crystal display panel can be improved by the quantum dots anchored in the polymer film. The method of fabricating the liquid crystal display panel of the present application eliminates the fabricating process of the PI alignment film, the method has simple process and low cost, and a liquid crystal display panel obtained thereby has better display quality.
    Type: Application
    Filed: May 13, 2016
    Publication date: March 22, 2018
    Inventor: Song Lan
  • Patent number: 9921432
    Abstract: The invention provides a manufacturing method for VA type LCD panel. The manufacturing method of the present invention adds a photo-initiator and a polymeric monomer to LC material, and uses UV light to irradiate through a mask so that the polymeric monomer polymerizes in accordance with the mask pattern to form polymer protrusions on the array substrate side to achieve the effect similar to protrusion or slit. The method is applicable for the LC molecules to form the pre-tilt angle so that the LC molecules in the panel are lined up along the normal direction. The method is simple, eliminates ITO etching process on the array substrate side, and reduces costs.
    Type: Grant
    Filed: December 28, 2015
    Date of Patent: March 20, 2018
    Assignee: SHENZHEN CHINA STAR OPTOELECTRONICS TECHNOLOGY CO., LTD.
    Inventors: Song Lan, Xiaolong Ma, Yungjui Lee, Xiufen Zhu
  • Publication number: 20180057745
    Abstract: Disclosed is a branched organosilicon material, and a method of manufacturing a liquid crystal display panel with the branched organosilicon tnatetial, without use of an alignment film. In addition, a liquid crystal display panel thus manufactured is further disclosed.
    Type: Application
    Filed: September 1, 2015
    Publication date: March 1, 2018
    Applicant: Shenzhen China Star Optoelectronics Technology Co. Ltd.
    Inventor: Song LAN
  • Publication number: 20180057746
    Abstract: The present invention provides a self alignment liquid crystal medium composition and a liquid crystal display panel. The self alignment liquid crystal medium composition includes two or more additives, and the two or more additives are selected from a first additive and a second additive; both the molecule structures of the first additive and the second additive comprise two parts, the head group and the tail group. The main function of the head groups of the first additive and the second additive is for being anchored on the substrate with the intermolecular force, and the main function of the tail group R is similar to the function of the PI branch to vertically align the liquid crystal molecules in the steric hindrance manner. With collocation of various additives, the easily gathering property of the additive containing inorganic silicon can be improved to promote the substrate anchoring function of the additive containing organic group.
    Type: Application
    Filed: February 26, 2016
    Publication date: March 1, 2018
    Inventors: Song Lan, Yungjui Lee, Xiaolong Ma
  • Publication number: 20180046035
    Abstract: The present invention provides a manufacture method of a liquid crystal display panel. The graphene/PEDOT:PSS composite transparent conductive films replace the traditional ITO transparent conductive films, and a polar material is mixed in the liquid crystal compound of the liquid crystal display panel. The structural formula of the polar material is A-B, wherein the main function of the head group A is to create the larger intermolecular force between the polar material and the graphene/PEDOT:PSS composite transparent conductive films, and the main function of the tail group B is similar with the function of the PI branch to vertically align the liquid crystal molecules in the steric hindrance manner to act the effect of the vertical alignment; i.e. the polar material can generate a larger intermolecular force with the graphene/PEDOT:PSS composite transparent conductive films, and is vertically aligned on the TFT substrate and the CF substrate.
    Type: Application
    Filed: February 26, 2016
    Publication date: February 15, 2018
    Inventors: Song Lan, Yungjui Lee, Tao Hu