Patents by Inventor Wenjing Xiao

Wenjing Xiao 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: 12082499
    Abstract: An organic compound has a structure as shown in Formula (I). The compound has a phosphorus-oxygen five-membered ring combined with a five-membered ring as an electron acceptor unit. The compound has a high luminous efficiency and a lower material cost than phosphorescent metal complexes. The compound can be built into a stack structure of organic optoelectronic device, such as OLED. The resultant organic optoelectronic device includes an anode, a cathode, and at least one organic thin film located between the anode and the cathode, the organic thin film contains the compound as shown in Formula (I).
    Type: Grant
    Filed: March 26, 2020
    Date of Patent: September 3, 2024
    Assignees: WUHAN TIANMA MICRO-ELECTRONICS CO., LTD., WUHAN TIANMA MICROELECTRONICS CO., LTD. SHANGHAI BRANCH
    Inventors: Wenjing Xiao, Wei Gao, Wenpeng Dai, Lei Zhang, Jinghua Niu, Yi Liu
  • Patent number: 11917850
    Abstract: The display panel includes a plurality of light-emitting areas and a plurality of non-light-emitting areas, the plurality of light-emitting areas being space apart from each other by the plurality of non-light-emitting area; light-emitting elements each located in one of the plurality of light-emitting areas and including an anode and a cathode that are opposite to each other, and a light-emitting layer located therebetween; a cover layer covering a light-emission side of the light-emitting element. The cover layer includes a substrate and first dopants doped in the substrate, the first dopants are magnetic. When an external magnetic field intensity applied to the cover layer is changed by an amount greater than a preset magnetic field intensity, the first dopants in the substrate are rearranged from a first mode to a second mode.
    Type: Grant
    Filed: June 16, 2020
    Date of Patent: February 27, 2024
    Assignee: Wuhan Tianma Micro-Electronics Co., Ltd.
    Inventors: Wei Gao, Lei Zhang, Wenjing Xiao, Wenpeng Dai, Jinghua Niu, Ping An
  • Patent number: 11874434
    Abstract: Various non-limiting embodiments of the present disclosure relate to ophthalmic devices comprising photochromic materials comprising a reactive substituent. For example, the present disclosure contemplates ophthalmic devices comprising photochromic materials, such as photochromic naphthopyrans and indeno-fused naphthopyrans having a reactive substituent comprising a reactive moiety linked to the photochromic naphthopyran by one or more linking groups. In certain non-limiting embodiments, the reactive moiety comprises a polymerizable moiety. In other non-limiting embodiments, the reactive moiety comprises a nucleophilic moiety. Other non-limiting embodiments of the present disclosure relate to methods of making the photochromic ophthalmic device, wherein the photochromic ophthalmic devices comprise the photochromic naphthopyrans described herein.
    Type: Grant
    Filed: January 18, 2022
    Date of Patent: January 16, 2024
    Assignee: Johnson & Johnson Vision Care, Inc.
    Inventors: Wenjing Xiao, Barry Van Gemert, Shivkumar Mahadevan, Frank Molock
  • Patent number: 11807615
    Abstract: The present disclosure provides a compound having a formula (I): wherein Cy represents substituted or unsubstituted C5-C40 aryl; X represents oxygen atom or sulfur atom; L1 is selected from substituted or unsubstituted C5-C40 aryl, or substituted or unsubstituted C3-C40 heteroaryl; A includes a structure represented by formula (II): wherein each of L2 and L3 is independently selected from substituted or unsubstituted C5-C40 aryl, or substituted or unsubstituted C3-C40 heteroaryl; each of Ar1, Ar2, and Ar3 is independently selected from substituted or unsubstituted C5-C40 aryl, substituted or unsubstituted C3-C40 heteroaryl, or substituted or unsubstituted arylamine containing one or two nitrogen atoms; each of m, q, and r is independently selected from 0 or 1; and * indicates a connection position.
    Type: Grant
    Filed: December 30, 2019
    Date of Patent: November 7, 2023
    Assignees: WUHAN TIANMA MICRO-ELECTRONICS CO., LTD., WUHAN TIANMA MICROELECTRONICS CO., LTD. SHANGHAI BRANCH
    Inventors: Lei Zhang, Wei Gao, Jinghua Niu, Wenpeng Dai, Wenjing Xiao, Yan Lu, Hongyan Zhu
  • Patent number: 11780831
    Abstract: Provided is a compound represented by formula 1, and a display panel and a display apparatus including the compound. In formula 1, L1 and L2 are each independently selected from the group consisting of a single bond, C6-C30 aryl, and C4-C30 heteroaryl; a and b are each independently selected from 0, 1, 2, 3, or 4; D1 and D2 are each independently a nitrogen-containing electron donor unit selected from the group consisting of carbazolyl and derivative groups thereof, acridinyl and derivative groups thereof, diarylamino and derivative groups thereof, and triarylamino and derivative groups thereof; and c and d are each independently selected from 0, 1, 2, 3, or 4, and c+d?1.
    Type: Grant
    Filed: September 29, 2020
    Date of Patent: October 10, 2023
    Assignees: SHANGHAI TIANMA AM-OLED CO., LTD., WUHAN TIANMA MICRO-ELECTRONICS CO., LTD
    Inventors: Wei Gao, Lei Zhang, Wenpeng Dai, Quan Ran, Lu Zhai, Wenjing Xiao, Jinghua Niu
  • Patent number: 11780846
    Abstract: A compound having a structure represented by Formula I, and an organic electroluminescent device and an electronic apparatus including the same. The compound may be used as a hole transport material of an organic electroluminescent device. The compound provided by the present disclosure has a shallow LUMO, an appropriate HOMO energy level and a high triplet energy level ET, and can effectively improve hole transport ability, and block electron transition and exciton transport; meanwhile, the compound has high electron mobility, and excellent thermal stability and thin film stability. The compound provided by the present disclosure is used as the hole transport material of an organic electroluminescent device, so that the material has good solubility and appropriate mobility and the inter-pixel cross-talk is effectively avoided, which is conducive to improving light emitting efficiency and lifetime of the device.
    Type: Grant
    Filed: May 27, 2020
    Date of Patent: October 10, 2023
    Assignees: WUHAN TIANMA MICRO-ELECTRONICS CO., LTD., WUHAN TIANMA MICROELECTRONICS CO., LTD. SHANGHAI BRANCH
    Inventors: Wenpeng Dai, Wei Gao, Jinghua Niu, Lei Zhang, Wenjing Xiao
  • Patent number: 11758809
    Abstract: A compound having a structure shown in Chemical Formula 1 is described. In an embodiment, Ar is C6-C20 aryl or C5-C20 heteroaryl; D1 and D2 are electron-donating groups, A1 and A2 are electron-accepting groups, and m, n, p and q are 1, 2, or 3; D1 and D2 are a substituted or unsubstituted C1-C20 alkyl, a substituted or unsubstituted C3-C20 cycloalkyl, a substituted or unsubstituted C1-C20 alkoxy, a substituted or unsubstituted C3-C20 heterocyclic group, a substituted or unsubstituted C6-C40 aryl, a substituted or unsubstituted C4-C40 heteroaryl, a substituted or unsubstituted C10-C60 fused aryl, a substituted or unsubstituted C10-C60 fused heteroaryl, a substituted or unsubstituted C12-C40 carbazolyl, a substituted or unsubstituted C12-C40 diphenylamino group, or a C13-C40 acridinyl; and A1 and A2 are each a nitrogen-containing heterocyclic group, a cyano-containing group, a carbonyl-containing group, a sulfone-based group, and a phosphoroso-containing group.
    Type: Grant
    Filed: December 31, 2019
    Date of Patent: September 12, 2023
    Assignees: Shanghai Tianma AM-OLED Co., Ltd., WUHAN TIANMA MICROELECTRONICS CO., LTD. SHANGHAI BRANCH
    Inventors: Wei Gao, Wenjing Xiao, Lei Zhang, Jinghua Niu, Wenpeng Dai
  • Patent number: 11751475
    Abstract: The present disclosure provides an organic compound, having a structure represented by Formula 1, in which L1, L2, and L3 are each independently selected from a single bond, or C4-C30 arylene; X1, X2, and X3 are each independently selected from CRa, or N, and at least one of X1, X2, or X3 is N; Ar1, Ar2, and Ar3 are each independently selected from C6-C60 aryl, a structure represented by Formula 2, or a structure represented by Formula 3; at least one of Ar1, Ar2, or Ar3 is the structure represented by Formula 2, and at least one of Ar1, Ar2, or Ar3 is the structure represented by Formula 3; X4, X5, X6, and X7 are each independently selected from CRb, or N, and at least one of X4, X5, X6, or X7 is N; # indicates a bonding position; and Ra and Rb are specifically defined in the specification.
    Type: Grant
    Filed: March 24, 2020
    Date of Patent: September 5, 2023
    Assignee: Xiamen Tianma Micro-Electronics Co., Ltd.
    Inventors: Lei Zhang, Wei Gao, Jinghua Niu, Wenpeng Dai, Wenjing Xiao
  • Patent number: 11649254
    Abstract: The present disclosure provides a compound for a display panel. The compound includes elements selected from O, S or N, electron-donor groups and electron-accepting groups. The OLED device in the display panel includes an anode, a cathode, and at least one organic thin film layer between the anode and the cathode. The organic thin film layer includes a light emitting layer, the light emitting layer includes the compound of the present disclosure, and the compound is used to be any one of a host material, a doping material, and a co-doping material. The compound reduces energy level difference between singlet and triplet states ?EST through design of the compound molecular structure. The compound realizes an efficient reverse intersystem crossing process, has typical TADF characteristics, and can be used as a light-emitting layer material of an OLED device to improve luminous efficiency and working life.
    Type: Grant
    Filed: May 14, 2020
    Date of Patent: May 16, 2023
    Assignee: WUHAN TIANMA MICROELECTRONICS CO., LTD. SHANGHAI BRANCH
    Inventors: Wei Gao, Wenpeng Dai, Lei Zhang, Wenjing Xiao, Jinghua Niu, Sha Lin
  • Patent number: 11647671
    Abstract: Provided are a compound and an organic electro-optical device containing the same. The compound has a structure represented by Formula I. The organic electro-optical device comprises an anode, a cathode, and at least one organic thin film layer located between the cathode and the anode. The molecule of the compound provided by the present disclosure has higher rigidity, a large conjugated system, a deeper LUMO energy level, a higher triplet energy level and good molecular stability, and is not easy to crystallize, and thus the compound can be used as an electron transport material or a hole blocking material of the organic electro-optical device, facilitating the reduction of the turn-on voltage of the device, the improvement of current efficiency and the increase of service life.
    Type: Grant
    Filed: August 31, 2020
    Date of Patent: May 9, 2023
    Assignees: WUHAN TIANMA MICRO-ELECTRONICS CO., LTD., WUHAN TIANMA MICROELECTRONICS CO., LTD. SHANGHAI BRANCH
    Inventors: Wenjing Xiao, Wei Gao, Lei Zhang, Wenpeng Dai, Quan Ran, Jinghua Niu
  • Patent number: 11518751
    Abstract: A photochromic compound including a core skeletal structure represented by the following Formula (I), wherein D is oxygen or sulfur; E is oxygen, sulfur, or NR2?; a is 0 or 1; R1 is hydrogen, or substituted or unsubstituted alkyl; R2 and R2? are each independently selected from hydrogen, substituted or unsubstituted alkyl, substituted or unsubstituted aryl, substituted or unsubstituted heteroaryl, or substituted or unsubstituted heterocycloalkyl; and the photochromic compound is a thermally reversible photochromic compound.
    Type: Grant
    Filed: May 28, 2018
    Date of Patent: December 6, 2022
    Assignee: Transitions Optical, Ltd.
    Inventors: Robert W. Walters, Chien-Yang Chiu, Anu Chopra, Darrin R. Dabideen, Sujit Mondal, Nick J. Parise, Wenjing Xiao
  • Patent number: 11349082
    Abstract: The present disclosure relates to a compound, an organic electroluminescent device, and a display device. The compound has a structure of formula (I) X is selected from a C atom, a Si atom, a B atom, or a P atom; Y1 to Y4 are each independently selected from a C atom or an N atom; A and B are each independently selected from any one or more of a substituted or unsubstituted C6-C40 aryl group and a substituted or unsubstituted C4-C40 heteroaryl group; R1 is selected from carbonyl, C1-C9 alkyl, a substituted or unsubstituted C6-C18 aryl group, and a substituted or unsubstituted C4-C30 heteroaryl group; and R2 and R3 are each independently selected from any one of a C1-C9 alkyl group, a substituted or unsubstituted C6-C18 aryl group, and a substituted or unsubstituted C4-C30 heteroaryl group, and n is selected from 0 or 1.
    Type: Grant
    Filed: December 31, 2019
    Date of Patent: May 31, 2022
    Assignees: Wuhan Tianma Micro-Electronics Co., Ltd., Wuhan Tianma Microelectronics Co., Ltd. Shanghai Branch
    Inventors: Wenpeng Dai, Jinghua Niu, Wei Gao, Lei Zhang, Wenjing Xiao
  • Publication number: 20220137262
    Abstract: Various non-limiting embodiments of the present disclosure relate to ophthalmic devices comprising photochromic materials comprising a reactive substituent. For example, the present disclosure contemplates ophthalmic devices comprising photochromic materials, such as photochromic naphthopyrans and indeno-fused naphthopyrans having a reactive substituent comprising a reactive moiety linked to the photochromic naphthopyran by one or more linking groups. In certain non-limiting embodiments, the reactive moiety comprises a polymerizable moiety. In other non-limiting embodiments, the reactive moiety comprises a nucleophilic moiety. Other non-limiting embodiments of the present disclosure relate to methods of making the photochromic ophthalmic device, wherein the photochromic ophthalmic devices comprise the photochromic naphthopyrans described herein.
    Type: Application
    Filed: January 18, 2022
    Publication date: May 5, 2022
    Inventors: Wenjing Xiao, Barry Van Gemert, Shivkumar Mahadevan, Frank Molock
  • Patent number: 11256002
    Abstract: Various non-limiting embodiments of the present disclosure relate to ophthalmic devices comprising photochromic materials comprising a reactive substituent. For example, the present disclosure contemplates ophthalmic devices comprising photochromic materials, such as photochromic naphthopyrans and indeno-fused naphthopyrans having a reactive substituent comprising a reactive moiety linked to the photochromic naphthopyran by one or more linking groups. In certain non-limiting embodiments, the reactive moiety comprises a polymerizable moiety. In other non-limiting embodiments, the reactive moiety comprises a nucleophilic moiety. Other non-limiting embodiments of the present disclosure relate to methods of making the photochromic ophthalmic device, wherein the photochromic ophthalmic devices comprise the photochromic naphthopyrans described herein.
    Type: Grant
    Filed: December 19, 2018
    Date of Patent: February 22, 2022
    Assignee: Johnson & Johnson Vision Care, Inc.
    Inventors: Wenjing Xiao, Barry Van Gemert, Shivkumar Mahadevan, Frank Molock
  • Publication number: 20210395436
    Abstract: The present invention relates to a photochromic article that includes a substrate and a photochromic layer formed from a curable photochromic composition. The photochromic composition includes a polyol component that includes a polycarbonate diol, an isocyanate component that includes an unblocked polyfunctional isocyanate and/or a blocked polyfunctional isocyanate, and at least one photochromic compound. The equivalents ratio of blocked/unblocked isocyanate equivalents of the isocyanate component to hydroxyl equivalents of the polyol component is at least 5:1. The photochromic article exhibits a T1/2 (Fade Half Life) at 23° C. of less than or equal to 70 seconds.
    Type: Application
    Filed: November 7, 2019
    Publication date: December 23, 2021
    Inventors: Joseph D. TURPEN, Elizabeth A. ZEZINKA, Emily AMOND, Anu CHOPRA, Michael Frank HALEY, Beon-Kyu KIM, Sujit MONDAL, Nicholas J. PARISE, Brian SHAUGHNESSY, Robert W. WALTERS, Wenjing XIAO, An-Hung YEH
  • Publication number: 20210198226
    Abstract: A photochromic compound including a core skeletal structure represented by the following Formula (I), wherein D is oxygen or sulfur; E is oxygen, sulfur, or NR2?; a is 0 or 1; R1 is hydrogen, or substituted or unsubstituted alkyl; R2 and R2? are each independently selected from hydrogen, substituted or unsubstituted alkyl, substituted or unsubstituted aryl, substituted or unsubstituted heteroaryl, or substituted or unsubstituted heterocycloalkyl; and the photochromic compound is a thermally reversible photochromic compound.
    Type: Application
    Filed: May 28, 2018
    Publication date: July 1, 2021
    Inventors: Robert W. Walters, Chien-Yang Chiu, Anu Chopra, Darrin R. Dabideen, Sujit Mondal, Nick J. Parise, Wenjing Xiao
  • Publication number: 20210202898
    Abstract: The display panel includes a plurality of light-emitting areas and a plurality of non-light-emitting areas, the plurality of light-emitting areas being space apart from each other by the plurality of non-light-emitting area; light-emitting elements each located in one of the plurality of light-emitting areas and including an anode and a cathode that are opposite to each other, and a light-emitting layer located therebetween; a cover layer covering a light-emission side of the light-emitting element. The cover layer includes a substrate and first dopants doped in the substrate, the first dopants are magnetic. When an external magnetic field intensity applied to the cover layer is changed by an amount greater than a preset magnetic field intensity, the first dopants in the substrate are rearranged from a first mode to a second mode.
    Type: Application
    Filed: June 16, 2020
    Publication date: July 1, 2021
    Inventors: Wei Gao, Lei Zhang, Wenjing Xiao, Wenpeng Dai, Jinghua Niu, Ping An
  • Publication number: 20210122723
    Abstract: The present disclosure provides a compound having a formula (I): wherein Cy represents substituted or unsubstituted C5-C40 aryl; X represents oxygen atom or sulfur atom; L1 is selected from substituted or unsubstituted C5-C40 aryl, or substituted or unsubstituted C3-C40 heteroaryl; A includes a structure represented by formula (II): wherein each of L2 and L3 is independently selected from substituted or unsubstituted C5-C40 aryl, or substituted or unsubstituted C3-C40 heteroaryl; each of Ar1, Ar2, and Ar3 is independently selected from substituted or unsubstituted C5-C40 aryl, substituted or unsubstituted C3-C40 heteroaryl, or substituted or unsubstituted arylamine containing one or two nitrogen atoms; each of m, q, and r is independently selected from 0 or 1; and * indicates a connection position.
    Type: Application
    Filed: December 30, 2019
    Publication date: April 29, 2021
    Inventors: Lei ZHANG, Wei GAO, Jinghua NIU, Wenpeng DAI, Wenjing XIAO, Yan LU, Hongyan ZHU
  • Publication number: 20210098705
    Abstract: The present disclosure belongs to technical field of OLEDs, and provides a compound suitable as a hole transport material and an electron blocking material of OLEDs. The compound has a general structure according to [Chemical Formula 1], in which Ar1 and Ar2 are each independently selected from a hydrogen atom, a substituted or unsubstituted C5-C40 aryl, or a substituted or unsubstituted C5-C40 heteroaryl; m and n are each an integer independently selected from 0, 1, or 2; X is selected from O, S, or —NR—; R is selected from hydrogen, or a substituted or unsubstituted C5-C40 aryl; Ar3 has a structure according to [Chemical Formula 2], in which R1-R8 are each independently selected from a hydrogen atom, or a substituted or unsubstituted C5-C40 aryl; Y is selected from O, S, or —NR?—; and R? is selected from a hydrogen atom, or a substituted or unsubstituted C5-C40 aryl.
    Type: Application
    Filed: December 18, 2019
    Publication date: April 1, 2021
    Inventors: Lei ZHANG, Wei GAO, Jinghua NIU, Wenpeng DAI, Wenjing XIAO, Xia LI
  • Publication number: 20210098712
    Abstract: A compound having a structure shown in Chemical Formula 1 is described. In an embodiment, Ar is C6-C20 aryl or C5-C20 heteroaryl; D1 and D2 are electron-donating groups, A1 and A2 are electron-accepting groups, and m, n, p and q are 1, 2, or 3; D1 and D2 are a substituted or unsubstituted C1-C20 alkyl, a substituted or unsubstituted C3-C20 cycloalkyl, a substituted or unsubstituted C1-C20 alkoxy, a substituted or unsubstituted C3-C20 heterocyclic group, a substituted or unsubstituted C6-C40 aryl, a substituted or unsubstituted C4-C40 heteroaryl, a substituted or unsubstituted C10-C60 fused aryl, a substituted or unsubstituted C10-C60 fused heteroaryl, a substituted or unsubstituted C12-C40 carbazolyl, a substituted or unsubstituted C12-C40 diphenylamino group, or a C13-C40 acridinyl; and A1 and A2 are each a nitrogen-containing heterocyclic group, a cyano-containing group, a carbonyl-containing group, a sulfone-based group, and a phosphoroso-containing group.
    Type: Application
    Filed: December 31, 2019
    Publication date: April 1, 2021
    Inventors: Wei GAO, Wenjing XIAO, Lei ZHANG, Jinghua NIU, Wenpeng DAI