Patents by Inventor Litao Qu
Litao Qu 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: 11362278Abstract: An organic light-emitting display panel, a method of forming the same and a display device are provided. The method of forming an organic light-emitting display panel includes: providing a base substrate; forming an auxiliary cathode at a side of the base substrate and forming a pixel defining layer at a side of the auxiliary cathode away from the base substrate; filling a negative thermal expandable ball into the groove; forming a light-emitting layer at the side of the base substrate; performing a heating treatment and a vibrating treatment on the base substrate with the light-emitting layer; and forming a cathode layer at a side of the light-emitting layer away from the base substrate.Type: GrantFiled: September 16, 2020Date of Patent: June 14, 2022Assignees: HEFEI XINSHENG OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.Inventors: Litao Qu, Biao Tian, Jiewei Li, Langlang Ha, Shihlun Chen, Tao Jin, Jieshu Wu
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Patent number: 11264588Abstract: There is provided a metal encapsulation structure and a production method thereof, an encapsulation method for a display panel, and a display device. This production method comprises steps of: providing a metal film having a first surface and a second surface opposite to the first surface; forming a silane film on the first surface of the metal film, wherein a surface of the silane film away from the metal film has an active group; and attaching the first surface formed with the silane film to an adhesive layer, so as to react and bond the active group and the adhesive layer.Type: GrantFiled: August 3, 2018Date of Patent: March 1, 2022Assignees: HEFEI XINSHENG OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.Inventors: Jiewei Li, Chuan Yin, Xianjiang Xiong, Zhongsheng Qi, Litao Qu
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Patent number: 11177459Abstract: Disclosed are a light-emitting element encapsulation structure, a method for fabricating the same, and a display panel, and the light-emitting element encapsulation structure includes: a first substrate; a second substrate arranged opposite to the first substrate; a light-emitting element located on the side of the second substrate facing the first substrate; an encapsulation layer made of a water-absorbent material, and filled in edge areas of the first substrate and the second substrate, wherein a hermetic space is defined by the encapsulation layer, the first substrate, and the second substrate, and the light-emitting element is located in the hermetic space; and a filler; the hermetic space is full of the filler except for an area occupied by the light-emitting element.Type: GrantFiled: November 22, 2018Date of Patent: November 16, 2021Assignees: Hefei Xinsheng Optoelectronics Technology Co., Ltd, BOE Technology Group Co., Ltd.Inventors: Shihlun Chen, Litao Qu
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Publication number: 20210328176Abstract: There is provided a metal encapsulation structure and a production method thereof, an encapsulation method for a display panel, and a display device. This production method comprises steps of: providing a metal film having a first surface and a second surface opposite to the first surface; forming a silane film on the first surface of the metal film, wherein a surface of the silane film away from the metal film has an active group; and attaching the first surface formed with the silane film to an adhesive layer, so as to react and bond the active group and the adhesive layer.Type: ApplicationFiled: August 3, 2018Publication date: October 21, 2021Inventors: Jiewei Li, Chuan Yin, Xianjiang Xiong, Zhongsheng Qi, Litao Qu
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Publication number: 20210083190Abstract: An organic light-emitting display panel, a method of forming the same and a display device are provided. The method of forming an organic light-emitting display panel includes: providing a base substrate; forming an auxiliary cathode at a side of the base substrate and forming a pixel defining layer at a side of the auxiliary cathode away from the base substrate; filling a negative thermal expandable ball into the groove; forming a light-emitting layer at the side of the base substrate; performing a heating treatment and a vibrating treatment on the base substrate with the light-emitting layer; and forming a cathode layer at a side of the light-emitting layer away from the base substrate.Type: ApplicationFiled: September 16, 2020Publication date: March 18, 2021Inventors: Litao QU, Biao TIAN, Jiewei LI, Langlang HA, Shihlun CHEN, Tao JIN, Jieshu WU
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Publication number: 20200343486Abstract: Disclosed are a light-emitting element encapsulation structure, a method for fabricating the same, and a display panel, and the light-emitting element encapsulation structure includes: a first substrate; a second substrate arranged opposite to the first substrate; a light-emitting element located on the side of the second substrate facing the first substrate; an encapsulation layer made of a water-absorbent material, and filled in edge areas of the first substrate and the second substrate, wherein a hermetic space is defined by the encapsulation layer, the first substrate, and the second substrate, and the light-emitting element is located in the hermetic space; and a filler; the hermetic space is full of the filler except for an area occupied by the light-emitting element.Type: ApplicationFiled: November 22, 2018Publication date: October 29, 2020Inventors: Shihlun CHEN, Litao QU
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Publication number: 20200303477Abstract: Embodiments of the present disclosure relate to a display panel, a method for manufacturing the same, a display device and a displaying method. The display panel includes a substrate, a thin film transistor on the substrate, an insulating layer covering the substrate and the thin film transistor, a first electrode and a second electrode on the insulating layer and electrically insulated with each other, wherein an orthographic projection of the first electrode on the substrate does not overlap with an orthographic projection of the thin film transistor on the substrate, an orthographic projection of the second electrode on the substrate overlaps with an orthographic projection of the thin film transistor on the substrate, a light emitting layer on the first electrode and the second electrode, and a third electrode and a fourth electrode on the light emitting layer.Type: ApplicationFiled: January 10, 2018Publication date: September 24, 2020Inventors: Qinghua ZOU, Ruhui ZHU, Gu YAO, Shupeng GUO, Litao QU
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Patent number: 10763319Abstract: Embodiments of the present disclosure relate to a display panel, a method for manufacturing the same, a display device and a displaying method. The display panel includes a substrate, a thin film transistor on the substrate, an insulating layer covering the substrate and the thin film transistor, a first electrode and a second electrode on the insulating layer and electrically insulated with each other, wherein an orthographic projection of the first electrode on the substrate does not overlap with an orthographic projection of the thin film transistor on the substrate, an orthographic projection of the second electrode on the substrate overlaps with an orthographic projection of the thin film transistor on the substrate, a light emitting layer on the first electrode and the second electrode, and a third electrode and a fourth electrode on the light emitting layer.Type: GrantFiled: January 10, 2018Date of Patent: September 1, 2020Assignees: BOE TECHNOLOGY GROUP CO., LTD., HEFEI XINSHENG OPTOELECTRONICS TECHNOLOGY CO., LTD.Inventors: Qinghua Zou, Ruhui Zhu, Gu Yao, Shupeng Guo, Litao Qu
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Patent number: 10562061Abstract: An adhesive dispenser is includes a plurality of adhesive dispensing parts, each including an adhesive dispensing tube, an adhesive extrusion assembly, and a driving component. The adhesive dispensing tube is configured to carry an adhesive therein. The adhesive extrusion assembly is connected with the adhesive dispensing tube, and is configured to apply a pressure to the adhesive in the adhesive dispensing tube such that the adhesive is dispensed from the adhesive dispensing tube. The driving component is configured to drive adhesive extrusion assemblies of the plurality of adhesive dispensing parts to apply the pressure to the adhesive.Type: GrantFiled: May 21, 2018Date of Patent: February 18, 2020Assignees: BOE TECHNOLOGY GROUP CO., LTD., HEFEI XINSHENG OPTOELECTRONICS TECHNOLOGY CO., LTD.Inventors: Litao Qu, Biao Tian
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Patent number: 10566197Abstract: The present disclosure discloses a film carrier, a film application apparatus, a film application, and a film to be applied used in a display panel. The film carrier comprises: a main body part and an attraction member. The main body part has a supporting surface and is configured to be rotatable to drive the supporting surface to swing about an axial direction of the main body part. The supporting surface has a curved projection in a plane perpendicular to the axial direction. The attraction member is disposed on the main body part for attracting the film to be applied on the supporting surface.Type: GrantFiled: September 20, 2018Date of Patent: February 18, 2020Assignee: BOE TECHNOLOGY GROUP CO., LTD.Inventors: Biao Tian, Shihlun Chen, Litao Qu, Tao Jin, Jianhui Zhang, Jieshu Wu, Yong Cui
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Patent number: 10556787Abstract: A liquid transfer apparatus and a control method thereof are provided. The liquid transfer apparatus includes a first auxiliary cover, a second auxiliary cover, a transfer tube and a breathing pipe. The first auxiliary cover is configured to cover a container for holding a liquid to be transferred; and the second auxiliary cover is configured to cover a target container. One end of the transfer tube runs through the first auxiliary cover and the other end runs through the second auxiliary cover. One end of the breathing pipe runs through the first auxiliary cover and the other end is configured to introduce nitrogen, or an inert gas, so that the liquid in the container for holding the liquid to be transferred can be transferred to the target container through the transfer tube.Type: GrantFiled: June 1, 2017Date of Patent: February 11, 2020Assignees: BOE Technology Group Co., Ltd., Hefei Xinsheng Optoelectronics Technology Co., Ltd.Inventors: Litao Qu, Xuequan Jin
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Publication number: 20190355797Abstract: Embodiments of the present disclosure relate to a display panel, a method for manufacturing the same, a display device and a displaying method. The display panel includes a substrate, a thin film transistor on the substrate, an insulating layer covering the substrate and the thin film transistor, a first electrode and a second electrode on the insulating layer and electrically insulated with each other, wherein an orthographic projection of the first electrode on the substrate does not overlap with an orthographic projection of the thin film transistor on the substrate, an orthographic projection of the second electrode on the substrate overlaps with an orthographic projection of the thin film transistor on the substrate, a light emitting layer on the first electrode and the second electrode, and a third electrode and a fourth electrode on the light emitting layer.Type: ApplicationFiled: January 10, 2018Publication date: November 21, 2019Inventors: Qinghua ZOU, Ruhui ZHU, Gu YAO, Shupeng GUO, Litao QU
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Publication number: 20190237334Abstract: The present disclosure discloses a film carrier, a film application apparatus, a film application, and a film to be applied used in a display panel. The film carrier comprises: a main body part and an attraction member. The main body part has a supporting surface and is configured to be rotatable to drive the supporting surface to swing about an axial direction of the main body part. The supporting surface has a curved projection in a plane perpendicular to the axial direction. The attraction member is disposed on the main body part for attracting the film to be applied on the supporting surface.Type: ApplicationFiled: September 20, 2018Publication date: August 1, 2019Inventors: Biao TIAN, Shihlun CHEN, Litao QU, Tao JIN, Jianhui ZHANG, Jieshu WU, Yong CUI
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Patent number: 10201827Abstract: An adhesive dripping device for adhesive dispensing equipment includes: a housing defining a mounting chamber therein, a lower end of the housing being provided with a nozzle communicating with the mounting chamber; a core stem mounted in an upper portion of the mounting chamber; an electromagnetic coil wound around the core stem; an elastic member fitting over the core stem; an adhesive dripping assembly mounted in the mounting chamber below the elastic member and configured for dripping adhesive through the nozzle; a pressure sensor mounted on a top end of the mounting chamber and abutting against an upper end of the elastic member; and a control unit electrically connected to the pressure sensor and the electromagnetic coil and configured for adjusting a current in the electromagnetic coil according to a pressure detected by the pressure sensor, so as to control an adhesive dripping amount of the adhesive dripping assembly.Type: GrantFiled: August 10, 2017Date of Patent: February 12, 2019Assignees: BOE TECHNOLOGY GROUP CO., LTD., HEFEI XINSHENG OPTOELECTRONICS TECHNOLOGY CO., LTD.Inventors: Litao Qu, Shih Lun Chen
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Publication number: 20190015864Abstract: An adhesive dispenser is includes a plurality of adhesive dispensing parts, each including an adhesive dispensing tube, an adhesive extrusion assembly, and a driving component. The adhesive dispensing tube is configured to carry an adhesive therein. The adhesive extrusion assembly is connected with the adhesive dispensing tube, and is configured to apply a pressure to the adhesive in the adhesive dispensing tube such that the adhesive is dispensed from the adhesive dispensing tube. The driving component is configured to drive adhesive extrusion assemblies of the plurality of adhesive dispensing parts to apply the pressure to the adhesive.Type: ApplicationFiled: May 21, 2018Publication date: January 17, 2019Inventors: Litao Qu, Biao Tian
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Patent number: 10158097Abstract: An organic electroluminescent display panel, a fabrication method thereof, and a display device are provided. The organic electroluminescent display panel includes: a base substrate and a package cover plate disposed opposite to each other, and an organic electroluminescent structure disposed on the base substrate and provided between the base substrate and the package cover plate. The package cover plate has a first groove for accommodating the organic electroluminescent structure within a display region of the organic electroluminescent display panel; the package cover plate has at least one second groove surrounding the first groove and having a closed boundary within a non-display region of the organic electroluminescent display panel; the second groove accommodates a sealant; and a metal layer is located between a protrusion portion of the package cover plate and the base substrate.Type: GrantFiled: August 17, 2017Date of Patent: December 18, 2018Assignees: BOE Technology Group Co., Ltd., Hefei Xinsheng Optoelectronics Technology Co., Ltd.Inventors: Litao Qu, Chuan Yin, Chia Hao Chang, Shih Lun Chen, Zhiqiang Jiang
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Publication number: 20180251363Abstract: A liquid transfer apparatus and a control method thereof are provided. The liquid transfer apparatus includes a first auxiliary cover, a second auxiliary cover, a transfer tube and a breathing pipe. The first auxiliary cover is configured to cover a container for holding a liquid to be transferred; and the second auxiliary cover is configured to cover a target container. One end of the transfer tube runs through the first auxiliary cover and the other end runs through the second auxiliary cover. One end of the breathing pipe runs through the first auxiliary cover and the other end is configured to introduce nitrogen, or an inert gas, so that the liquid in the container for holding the liquid to be transferred can be transferred to the target container through the transfer tube.Type: ApplicationFiled: June 1, 2017Publication date: September 6, 2018Applicants: BOE Technology Group Co., Ltd., Hefei Xinsheng Optoelectronics Technology Co., Ltd .Inventors: Litao Qu, Xuequan Jin
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Publication number: 20180200747Abstract: An adhesive dripping device for adhesive dispensing equipment includes: a housing defining a mounting chamber therein, a lower end of the housing being provided with a nozzle communicating with the mounting chamber; a core stem mounted in an upper portion of the mounting chamber; an electromagnetic coil wound around the core stem; an elastic member fitting over the core stem; an adhesive dripping assembly mounted in the mounting chamber below the elastic member and configured for dripping adhesive through the nozzle; a pressure sensor mounted on a top end of the mounting chamber and abutting against an upper end of the elastic member; and a control unit electrically connected to the pressure sensor and the electromagnetic coil and configured for adjusting a current in the electromagnetic coil according to a pressure detected by the pressure sensor, so as to control an adhesive dripping amount of the adhesive dripping assembly.Type: ApplicationFiled: August 10, 2017Publication date: July 19, 2018Inventors: Litao Qu, Shih Lun Chen
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Patent number: 9987652Abstract: An adhesive feeding device includes an adhesive dripping unit and a magnetic field control unit. The adhesive dripping unit is configured to accommodate an adhesive mixture having magnetic properties and comprises an adhesive outgoing end. The magnetic field control unit is provided above one end of the adhesive dripping unit opposite to the adhesive outgoing end, and is configured to control the adhesive mixture to flow out from the adhesive outgoing end without a firing pin.Type: GrantFiled: September 6, 2016Date of Patent: June 5, 2018Assignees: BOE TECHNOLOGY GROUP CO., LTD., HEFEI XINSHENG OPTOELECTRONICS TECHNOLOGY CO., LTD.Inventor: Litao Qu
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Publication number: 20170346038Abstract: An organic electroluminescent display panel, a fabrication method thereof, and a display device are provided. The organic electroluminescent display panel includes: a base substrate and a package cover plate disposed opposite to each other, and an organic electroluminescent structure disposed on the base substrate and provided between the base substrate and the package cover plate. The package cover plate has a first groove for accommodating the organic electroluminescent structure within a display region of the organic electroluminescent display panel; the package cover plate has at least one second groove surrounding the first groove and having a closed boundary within a non-display region of the organic electroluminescent display panel; the second groove accommodates a sealant; and a metal layer is located between a protrusion portion of the package cover plate and the base substrate.Type: ApplicationFiled: August 17, 2017Publication date: November 30, 2017Inventors: Litao Qu, Chuan Yin, Chia Hao Chang, Shih Lun Chen, Zhiqiang Jiang