Patents by Inventor Jingwen TIAN
Jingwen TIAN 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).
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Patent number: 11462689Abstract: The present disclosure discloses an organic light-emitting device, which includes a first electrode and a hole injection layer laminated with each other and formed an ohmic contact therebetween. The hole injection layer is characterized by a carrier mobility of less than 2×10?5 CM2V?1S?1.Type: GrantFiled: April 28, 2018Date of Patent: October 4, 2022Assignee: KUNSHAN GO-VISIONOX OPTO-ELECTRONICS CO., LTD.Inventors: Chao Min, Jingwen Tian, Shengfang Liu
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Patent number: 11462708Abstract: Disclosed are an organic light emitting diode, a display panel and a display device. The organic light emitting diode includes a first electrode, a second electrode, a light emitting layer and an electron blocking layer, the first electrode and the second electrode are disposed opposite to each other, the light emitting layer is disposed between the first electrode and the second electrode, the electron blocking layer is disposed between the light emitting layer and the first electrode. A LUMO level of the electron blocking layer is higher than a LUMO level of a light emitting host material in the light emitting layer, a first level difference between the LUMO level of the electron blocking layer and the LUMO level of the light emitting host material in the light emitting layer is represented by A, where A?0.4 eV.Type: GrantFiled: April 30, 2020Date of Patent: October 4, 2022Assignee: YUNGU (GU'AN) TECHNOLOGY CO., LTD.Inventors: Weiwei Li, Lin He, Mengzhen Li, Jingwen Tian, Tiantian Li
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Patent number: 11374191Abstract: Provided are an OLED, display panel and display device. The OLED includes a first electrode, a second electrode, a light emitting layer and at least one blocking layer. The second electrode is arranged opposite to the first electrode. The light emitting layer is arranged between the first electrode and the second electrode. The blocking layer is arranged between the light emitting layer and the second electrode and/or between the light emitting layer and the first electrode. Each blocking layer of the at least one blocking layer comprises at least two blocking materials, electron mobility of at least one blocking material of the at least two blocking materials is lower than a first preset value, electron mobility of at least another blocking material of the at least two blocking materials is higher than a second preset value, and the first preset value is lower than the second preset value.Type: GrantFiled: May 22, 2020Date of Patent: June 28, 2022Assignee: YUNGU (GU'AN) TECHNOLOGY CO., LTD.Inventors: Weiwei Li, Lin He, Mengzhen Li, Jingwen Tian, Tiantian Li
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Patent number: 11362294Abstract: Provided is an organic light-emitting diode. The organic light-emitting diode includes a first electrode, a second electrode, a light-emitting layer and a hole blocking layer, where the first electrode and the second electrode are oppositely disposed; the light-emitting layer is disposed between the first electrode and the second electrode; the hole blocking layer is disposed between the light-emitting layer and the second electrode; and the hole blocking layer includes at least two hole blocking sub-layers which are stacked, where a lowest unoccupied molecular orbital (LUMO) energy level decreases sequentially in the at least two hole blocking sub-layers.Type: GrantFiled: May 4, 2020Date of Patent: June 14, 2022Assignee: YUNGU (GU'AN) TECHNOLOGY CO., LTD.Inventors: Weiwei Li, Chao Chi Peng, Lin He, Jingwen Tian, Tiantian Li, Mengzhen Li
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Patent number: 11289655Abstract: The present disclosure relates to the field of display technologies, and provides an organic electroluminescent device. The organic electroluminescent device comprises a hole injection layer. The hole injection layer includes at least one hole injection material and at least one free radical molecular material doped in the hole injection material.Type: GrantFiled: August 30, 2019Date of Patent: March 29, 2022Assignees: KUNSHAN GO-VISIONOX OPTO-ELECTRONICS CO., LTD., TSINGHUA UNIVERSITYInventors: Lian Duan, Zhengyang Bin, Jingwen Tian
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Publication number: 20220077418Abstract: A display panel and a display apparatus. The display panel includes a blue light-emitting device, and the blue light-emitting device includes a first electrode, an electron blocking layer, a light-emitting layer and a second electrode which are stacked. The hole mobility of the electron blocking layer is not greater than 5×10?4 cm2/VS, so that electrons and holes in the light-emitting layer tend to be balanced, and luminous efficiency of the blue light-emitting device under the low luminance is improved.Type: ApplicationFiled: November 15, 2021Publication date: March 10, 2022Applicant: KUNSHAN GO-VISIONOX OPTO-ELECTRONICS CO., LTDInventors: Jingwen TIAN, Bing WANG, Yin ZHANG
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Patent number: 11205763Abstract: An organic electroluminescent device and an organic electroluminescent apparatus are disclosed. The organic electroluminescent device includes a first electrode layer, a first carrier functional layer, a light-emitting layer and a second electrode layer stacked in sequence, wherein a P-doped layer is arranged between the first carrier functional layer and the light-emitting layer. Thus the energy level bending of an interface between the first carrier functional layer and the light-emitting layer is modified, and the hole injection potential barrier at the interface between the two is reduced, thereby effectively reducing the turn-on voltage of the organic electroluminescent device.Type: GrantFiled: December 9, 2019Date of Patent: December 21, 2021Assignee: Yungu (Gu'an) Technology Co., Ltd.Inventors: Weiwei Li, Lin He, Mengzhen Li, Jingwen Tian, Tiantian Li
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Publication number: 20210351357Abstract: The present disclosure discloses an organic light-emitting device, which includes a first electrode and a hole injection layer laminated with each other and formed an ohmic contact therebetween. The hole injection layer is characterized by a carrier mobility of less than 2×10?5 CM2V?1S?1.Type: ApplicationFiled: April 28, 2018Publication date: November 11, 2021Inventors: Chao MIN, Jingwen TIAN, Shengfang LIU
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Patent number: 11121344Abstract: The present application discloses an organic electroluminescent device that includes a plurality of kinds of light-emitting units having different light-emitting wavelengths, wherein the light-emitting units are organic light-emitting diodes, the organic light-emitting diodes include a plurality of single-colored organic light-emitting diodes and/or a plurality of white-light organic light-emitting diodes provided with optical filters; at least one kind of the organic light-emitting diodes has a microcavity structure; a microcavity optical length Li of the organic light-emitting diode having the microcavity structure and a light-emitting wavelength ?i of the corresponding light-emitting unit meet the following formula: Li=ni?i, wherein ni?2, ni is a positive integer, and the ni corresponding to at least one of the plurality of kinds of light-emitting units having different light-emitting wavelengths ?i is larger than or equal to 3; m is the number of the kinds of the light-emitting units, m?i?1, i and m are pType: GrantFiled: December 31, 2019Date of Patent: September 14, 2021Assignee: YUNGU (GU'AN) TECHNOLOGY CO., LTD.Inventors: Xiaokang Zhou, Mengzhen Li, Lin He, Weiwei Li, Hui Pang, Tiantian Li, Jingwen Tian, Xiaoyu Gao, Xiuqi Huang
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Publication number: 20200287154Abstract: Provided are an OLED, display panel and display device. The OLED includes a first electrode, a second electrode, a light emitting layer and at least one blocking layer. The second electrode is arranged opposite to the first electrode. The light emitting layer is arranged between the first electrode and the second electrode. The blocking layer is arranged between the light emitting layer and the second electrode and/or between the light emitting layer and the first electrode. Each blocking layer of the at least one blocking layer comprises at least two blocking materials, electron mobility of at least one blocking material of the at least two blocking materials is lower than a first preset value, electron mobility of at least another blocking material of the at least two blocking materials is higher than a second preset value, and the first preset value is lower than the second preset value.Type: ApplicationFiled: May 22, 2020Publication date: September 10, 2020Applicant: Yungu (Gu'an) Technology Co., Ltd.Inventors: WEIWEI LI, LIN HE, MENGZHEN LI, JINGWEN TIAN, TIANTIAN LI
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Publication number: 20200266379Abstract: Disclosed are an organic light emitting diode, a display panel and a display device. The organic light emitting diode includes a first electrode, a second electrode, a light emitting layer and an electron blocking layer, the first electrode and the second electrode are disposed opposite to each other, the light emitting layer is disposed between the first electrode and the second electrode, the electron blocking layer is disposed between the light emitting layer and the first electrode. A LUMO level of the electron blocking layer is higher than a LUMO level of a light emitting host material in the light emitting layer, a first level difference between the LUMO level of the electron blocking layer and the LUMO level of the light emitting host material in the light emitting layer is represented by A, where A?0.4 eV.Type: ApplicationFiled: April 30, 2020Publication date: August 20, 2020Applicant: Yungu (Gu'an) Technology Co., Ltd.Inventors: WEIWEI LI, LIN HE, MENGZHEN LI, JINGWEN TIAN, TIANTIAN LI
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Publication number: 20200266375Abstract: Provided is an organic light-emitting diode. The organic light-emitting diode includes a first electrode, a second electrode, a light-emitting layer and a hole blocking layer, where the first electrode and the second electrode are oppositely disposed; the light-emitting layer is disposed between the first electrode and the second electrode; the hole blocking layer is disposed between the light-emitting layer and the second electrode; and the hole blocking layer includes at least two hole blocking sub-layers which are stacked, where a lowest unoccupied molecular orbital (LUMO) energy level decreases sequentially in the at least two hole blocking sub-layers.Type: ApplicationFiled: May 4, 2020Publication date: August 20, 2020Applicant: Yungu (Gu'an) Technology Co., Ltd.Inventors: WEIWEI LI, CHAO CHI PENG, LIN HE, JINGWEN TIAN, TIANTIAN LI, Mengzhen LI
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Publication number: 20200168833Abstract: The present disclosure discloses an organic light-emitting device and an electrode thereof. The electrode includes a first conductive layer, and further includes a second conductive layer laminated at a first side of the first conductive layer. The second conductive layer is a transparent conductive layer.Type: ApplicationFiled: April 28, 2018Publication date: May 28, 2020Inventors: Chao MIN, Jingwen TIAN, Shengfang LIU
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Publication number: 20200144549Abstract: The present application discloses an organic electroluminescent device that includes a plurality of kinds of light-emitting units having different light-emitting wavelengths, wherein the light-emitting units are organic light-emitting diodes, the organic light-emitting diodes include a plurality of single-colored organic light-emitting diodes and/or a plurality of white-light organic light-emitting diodes provided with optical filters; at least one kind of the organic light-emitting diodes has a microcavity structure; a microcavity optical length Li of the organic light-emitting diode having the microcavity structure and a light-emitting wavelength ?i of the corresponding light-emitting unit meet the following formula: Li=ni?Xi, wherein ni?2, ni is a positive integer, and the ni corresponding to at least one of the plurality of kinds of light-emitting units having different light-emitting wavelengths ?i is larger than or equal to 3; m is the number of the kinds of the light-emitting units, m?i?1, i and m areType: ApplicationFiled: December 31, 2019Publication date: May 7, 2020Inventors: Xiaokang ZHOU, Mengzhen LI, Lin HE, Weiwi LI, Hui PANG, Tiantian LI, Jingwen TIAN, Xiaoyu GAO, Xiuqi HUANG
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Publication number: 20200111985Abstract: An organic electroluminescent device and an organic electroluminescent apparatus are disclosed. The organic electroluminescent device includes a first electrode layer, a first carrier functional layer, a light-emitting layer and a second electrode layer stacked in sequence, wherein a P-doped layer is arranged between the first carrier functional layer and the light-emitting layer. Thus the energy level bending of an interface between the first carrier functional layer and the light-emitting layer is modified, and the hole injection potential barrier at the interface between the two is reduced, thereby effectively reducing the turn-on voltage of the organic electroluminescent device.Type: ApplicationFiled: December 9, 2019Publication date: April 9, 2020Inventors: Weiwei LI, Lin HE, Mengzhen LI, Jingwen TIAN, Tiantian LI
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Publication number: 20190386224Abstract: The present disclosure relates to the field of display technologies, and provides an organic electroluminescent device. The organic electroluminescent device comprises a hole injection layer. The hole injection layer includes at least one hole injection material and at least one free radical molecular material doped in the hole injection material.Type: ApplicationFiled: August 30, 2019Publication date: December 19, 2019Applicants: KUNSHAN GO-VISIONOX OPTO-ELECTRONICS CO., LTD., TSINGHUA UNIVERSITYInventors: Lian DUAN, Zhengyang BIN, Jingwen TIAN