Patents by Inventor Xinli MA
Xinli MA 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: 10371958Abstract: A display device comprises a display panel and a grating layer. From a center of a left-eye field-of-view central area of a left display area to a non left-eye field-of-view central area of the left display area, a grating period of a left-eye grating region of a first color, a grating period of a left-eye grating region of a second color, and a grating period of a left-eye grating region of a third color all decrease gradually. From a center of a right-eye field-of-view central area of a right display area to a non right-eye field-of-view central area of the right display area, a grating period of a right-eye grating region of the first color, a grating period of a right-eye grating region of the second color, and a grating period of a right-eye grating region of the third color all decrease gradually.Type: GrantFiled: June 6, 2017Date of Patent: August 6, 2019Assignee: BOE TECHNOLOGY GROUP CO., LTD.Inventors: Wei Wang, Yafeng Yang, Xiaochuan Chen, Jifeng Tan, Can Wang, Xinli Ma, Jian Gao, Can Zhang, Qian Wang
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Patent number: 10345607Abstract: The present disclosure provides a display device. The display device comprises a display panel and a grating layer, wherein along a direction pointing from a center of a left-eye field-of-view central area to a non left-eye field-of-view central area, a grating period of a left-eye grating region of a first color, a grating period of a left-eye grating region of a second color, and a grating period of a left-eye grating region of a third color all decrease gradually; along a direction pointing from a center of a right-eye field-of-view central area to a non right-eye field-of-view central area, a grating period of a right-eye grating region of the first color, a grating period of a right-eye grating region of the second color, and a grating period of a right-eye grating region of the third color all decrease gradually.Type: GrantFiled: June 7, 2017Date of Patent: July 9, 2019Assignee: BOE TECHNOLOGY GROUP CO., LTD.Inventors: Wei Wang, Yafeng Yang, Xiaochuan Chen, Jifeng Tan, Xinli Ma, Can Zhang, Can Wang, Jian Gao, Qian Wang
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Patent number: 10267961Abstract: A display device includes a display panel and a grating layer inside or outside the display panel. The display panel includes R pixels, G pixels and B pixels. The grating layer includes a R grating region, a G grating region and a B grating region; along a direction from a center of a central area of the view field of the display device to a non-central area of the view field, each of grating periods of the R, G and B grating regions gradually decreases; and lights emitted from positions of the display device corresponding to the R pixel, the G pixel and the B pixel are emitted respectively along straight lines formed by the position of the R pixel and the viewer, formed by the position of the G pixel and the viewer and formed by the position of the B pixel and the viewer.Type: GrantFiled: April 28, 2017Date of Patent: April 23, 2019Assignee: BOE TECHNOLOGY GROUP CO., LTD.Inventors: Wei Wang, Yafeng Yang, Xiaochuan Chen, Jifeng Tan, Jian Gao, Can Wang, Xinli Ma, Can Zhang, Qian Wang
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Patent number: 10267954Abstract: A near eye display device and method are provided. The near eye display device including: a display panel and a lens module. The display panel includes a plurality of display areas arranged in an array, each of the display areas includes at least one pixel unit; and the lens module includes a plurality of micro-lenses arranged in an array, which include a plurality of deflection micro-lenses, an end of the deflection micro-lenses close to a center of the lens module is closer to the display panel than an end of the deflection micro-lenses far away from the center of the lens module, each of the display areas corresponds to at least one of the micro-lenses, and an adjacent portion of two adjacent display areas of the display areas corresponds to two different micro-lenses of the micro-lenses, and the two different micro-lenses include at least one of the deflection micro-lenses.Type: GrantFiled: March 29, 2017Date of Patent: April 23, 2019Assignee: BOE TECHNOLOGY GROUP CO., LTD.Inventors: Can Wang, Yafeng Yang, Jian Gao, Can Zhang, Xinli Ma, Wei Wang, Jifeng Tan, Xiaochuan Chen
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Publication number: 20190107663Abstract: The present disclosure has disclosed a light guide device, comprising an optical waveguide layer (100), and a reflection layer (110) one surface of which is connected with the optical waveguide layer, said one surface including a plurality of protrusions (113), each protrusion including a first surface (114) forming a first angle (?1) with respect to a surface of the optical waveguide layer, and a first intersection line (116) between a plane in which the surface of the optical waveguide layer is located and a plane in which the first surface is located being perpendicular to a light guiding direction of the optical waveguide layer. The present disclosure has disclosed a manufacturing method of a light guide device as well as a backlight module and display device including the light guide device at the same time.Type: ApplicationFiled: September 18, 2017Publication date: April 11, 2019Inventor: Xinli MA
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Patent number: 10247859Abstract: A virtual curved surface display panel and a display device are provided. The virtual curved surface display panel includes a flat display panel having a plurality of pixels arranged in a matrix, and an array of convex lenses arranged on a light exit surface of the flat display panel. The array of convex lenses makes a track of image distances of the pixels form a curved surface. By adjusting the focal lengths of the lenses, the image distances of the pixels in the flat display panel can be various. The images of the pixels are then distributed on a curved surface. A visual effect of a virtual curved surface can be achieved with a flat display panel, improving the effect of visual impact.Type: GrantFiled: February 20, 2017Date of Patent: April 2, 2019Assignee: BOE TECHNOLOGY GROUP CO., LTD.Inventors: Jian Gao, Xiaochuan Chen, Yafeng Yang, Jifeng Tan, Pengcheng Lu, Qian Wang, Can Zhang, Can Wang, Xinli Ma, Wei Wang
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Publication number: 20190094449Abstract: A light guide assembly, a backlight source and a display device are provided. The light guide assembly includes: a first medium layer including a first light incidence face and a first light exit face opposed to each other; at least one triangular prism unit on the first light exit face, each triangular prism unit including a second light incidence face, a second light exit face and a non-exit face, the second light incidence face being in contact with the first light exit face; and a second medium layer covering the second light exit face, refractive index n2 of each triangular prism unit is greater than refractive index n3 of the first medium layer and refractive index n1 of the second medium layer; and wherein an angle A between the second light incidence face and the second light exit face meets: ?+??10°<A<?+?, where ?=arcsin(n1/n2) and ?=arcsin(n3/n2).Type: ApplicationFiled: May 21, 2018Publication date: March 28, 2019Inventors: Xinli Ma, Xiaochuan Chen
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Patent number: 10197850Abstract: A virtual curved surface display panel and a display device are provided. By using the light splitting principle of the grating structure, the imaging heights of the grating structures are designed to be symmetrically distributed with respect to a vertical symmetry axis of a display surface of the flat display panel. In the grating structures on the same side of the symmetry axis, the imaging heights of the respective grating structures having the same distance from the vertical symmetry axis are the same, and the imaging heights of the respective grating structures having different distances from the vertical symmetry axis are different from each other. By setting the imaging heights of the grating structures, the image distances of the pixels in the flat display panel are different so that the images of the plurality of pixels constitute a curved surface.Type: GrantFiled: May 17, 2017Date of Patent: February 5, 2019Assignee: BOE TECHNOLOGY GROUP CO., LTD.Inventors: Jifeng Tan, Wei Wang, Yafeng Yang, Jian Gao, Xiaochuan Chen, Can Zhang, Can Wang, Qian Wang, Xinli Ma
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Publication number: 20190004365Abstract: A display panel and a display device are disclosed and belong to the field of display technology. The display panel comprises a first substrate and a second substrate opposite to each other, a liquid crystal layer, a first electrode, and a second electrode between the first substrate and the second substrate, a waveguide layer between the first substrate and the liquid crystal layer, and a plurality of grating units which are combined with the liquid crystal layer and disposed in a same layer as the liquid crystal layer; wherein the first electrode and the second electrode are configured to adjust a refractive index of the liquid crystal layer by changing voltages applied thereto; and a coupling efficiency at which light is coupled out of the waveguide layer is determined according to a difference between a refractive index of the grating units and the refractive index of the liquid crystal layer.Type: ApplicationFiled: July 31, 2017Publication date: January 3, 2019Inventors: Jifeng TAN, Wei WANG, Yafeng YANG, Xiaochuan CHEN, Jian GAO, Xinli MA, Can WANG, Can ZHANG, Xiandong MENG, Xianqin MENG, Dacheng ZHANG
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Publication number: 20180364505Abstract: A display panel and a display device are disclosed and belong to the field of display technology. The display panel comprises a first substrate and a second substrate opposite to each other, and a liquid crystal layer, a first electrode, as second electrode, a waveguide layer and a grating layer between the first and second substrates; wherein the waveguide layer is on a side of the liquid crystal layer proximal to the first substrate; and the grating layer is in contact with the liquid crystal layer; the first electrode and the second electrode are configured to adjust a refractive index of the liquid crystal layer by changing voltages applied thereto; and a coupling efficiency at which light is coupled out of the waveguide layer is determined according to a difference between a refractive index of the grating layer and the refractive index of the liquid crystal layer.Type: ApplicationFiled: July 31, 2017Publication date: December 20, 2018Inventors: Jifeng TAN, Wei WANG, Yafeng YANG, Xiaochuan CHEN, Jian GAO, Can WANG, Can ZHANG, Xinli MA, Xiandong MENG, Xianqin MENG, Dacheng ZHANG
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Publication number: 20180356567Abstract: A near eye display device and method are provided. The near eye display device including: a display panel and a lens module. The display panel includes a plurality of display areas arranged in an array, each of the display areas includes at least one pixel unit; and the lens module includes a plurality of micro-lenses arranged in an array, which include a plurality of deflection micro-lenses, an end of the deflection micro-lenses close to a center of the lens module is closer to the display panel than an end of the deflection micro-lenses far away from the center of the lens module, each of the display areas corresponds to at least one of the micro-lenses, and an adjacent portion of two adjacent display areas of the display areas corresponds to two different micro-lenses of the micro-lenses and the two different micro-lenses include at least one of the deflection micro-lenses.Type: ApplicationFiled: March 29, 2017Publication date: December 13, 2018Applicant: BOE TECHNOLOGY GROUP CO., LTD.Inventors: Can WANG, Yafeng YANG, Jian GAO, Can ZHANG, Xinli MA, Wei WANG, Jifeng TAN, Xiaochuan CHEN
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Patent number: 10126589Abstract: A virtual curved surface display panel, a method of manufacturing the same, and a display device are provided. A set of vertical lenticular lens and horizontal lenticular lens fitted tightly and orthogonally is arranged on a light exit surface of a pixel in the flat display panel, which forms an equivalent spherical lens. The focal lengths of the equivalent spherical lenses are symmetrically distributed with a central pixel as a symmetry axis, and focal lengths of the equivalent spherical lenses in the columns located on the same side of the symmetry axis are not equal to each other. Therefore, the equivalent spherical lenses enable the images of the pixels to form a curved surface, thereby realizing virtual curved surface display.Type: GrantFiled: April 24, 2017Date of Patent: November 13, 2018Assignee: BOE TECHNOLOGY GROUP CO., LTD.Inventors: Can Zhang, Yafeng Yang, Jian Gao, Can Wang, Xinli Ma, Wei Wang, Jifeng Tan
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Publication number: 20180259691Abstract: A display device is disclosed. The display device includes a display panel, and a grating layer arranged inside or outside of the display panel. Along a direction pointing from a center of a sight concentration area of the display device to a non-sight concentration area of the display device, a grating period of the grating layer decreases gradually. When incident light incident on the grating layer is diffracted at an area of the grating layer corresponding to the non-sight concentration area of the display device, the obtained light of non-zero order diffraction falls into a sight of a viewer.Type: ApplicationFiled: June 7, 2017Publication date: September 13, 2018Inventors: Wei WANG, Yafeng YANG, Xiaochuan CHEN, Qian WANG, Jifeng TAN, Jian GAO, Xinli MA, Can ZHANG, Can WANG
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Publication number: 20180239194Abstract: A virtual curved surface display panel and a display device are provided. By using the light splitting principle of the grating structure, the imaging heights of the grating structures are designed to be symmetrically distributed with respect to a vertical symmetry axis of a display surface of the flat display panel. In the grating structures on the same side of the symmetry axis, the imaging heights of the respective grating structures having the same distance from the vertical symmetry axis are the same, and the imaging heights of the respective grating structures having different distances from the vertical symmetry axis are different from each other. By setting the imaging heights of the grating structures, the image distances of the pixels in the flat display panel are different so that the images of the plurality of pixels constitute a curved surface.Type: ApplicationFiled: May 17, 2017Publication date: August 23, 2018Inventors: Jifeng TAN, Wei WANG, Yafeng YANG, Jian GAO, Xiaochuan CHEN, Can ZHANG, Can WANG, Qian WANG, Xinli MA
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Publication number: 20180239158Abstract: The present disclosure provides a display device. The display device comprises a display panel and a grating layer. The display panel comprises a left display area and a right display area, and from a center of a left-eye field-of-view central area of a left display area to a non left-eye field-of-view central area of the left display area, a grating period of a left-eye grating region of a first color, a grating period of a left-eye grating region of a second color, and a grating period of a left-eye grating region of a third color all decrease gradually. From a center of a right-eye field-of-view central area of a right display area to a non right-eye field-of-view central area of the right display area, a grating period of a right-eye grating region of the first color, a grating period of a right-eye grating region of the second color, and a grating period of a right-eye grating region of the third color all decrease gradually.Type: ApplicationFiled: June 6, 2017Publication date: August 23, 2018Inventors: Wei WANG, Yafeng YANG, Xiaochuan CHEN, Jifeng TAN, Can WANG, Xinli MA, Jian GAO, Can ZHANG, Qian WANG
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Publication number: 20180231694Abstract: A display panel and a display device are disclosed. The display panel includes a flat display substrate and optical devices. The optical devices are arranged on a display surface of the flat display substrate, and light emitted through the display surface of the flat display substrate passes through the optical devices and forms an image in a curved surface.Type: ApplicationFiled: May 10, 2017Publication date: August 16, 2018Inventors: Xinli MA, Yafeng YANG, Jian GAO, Can WANG, Can ZHANG, Jifeng TAN, Wei WANG
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Publication number: 20180231831Abstract: A display panel and a display device are disclosed. The display panel includes a flat display substrate and optical devices. The optical devices are arranged on a display surface of the flat display substrate, and light emitted through the display surface of the flat display substrate passes through the optical devices and forms an image in a curved surface.Type: ApplicationFiled: May 10, 2017Publication date: August 16, 2018Inventors: Can WANG, Yafeng YANG, Jian GAO, Can ZHANG, Wei WANG, Jifeng TAN, Xinli MA
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Publication number: 20180224695Abstract: A virtual curved surface display panel, a method of manufacturing the same, and a display device are provided. A set of vertical lenticular lens and horizontal lenticular lens fitted tightly and orthogonally is arranged on a light exit surface of a pixel in the flat display panel, which forms an equivalent spherical lens. The focal lengths of the equivalent spherical lenses are symmetrically distributed with a central pixel as a symmetry axis, and focal lengths of the equivalent spherical lenses in the columns located on the same side of the symmetry axis are not equal to each other. Therefore, the equivalent spherical lenses enable the images of the pixels to form a curved surface, thereby realizing virtual curved surface display.Type: ApplicationFiled: April 24, 2017Publication date: August 9, 2018Inventors: Can ZHANG, Yafeng YANG, Jian GAO, Can WANG, Xinli MA, Wei WANG, Jifeng TAN
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Publication number: 20180217389Abstract: The present disclosure provides a display device. The display device comprises a display panel and a grating layer, wherein along a direction pointing from a center of a left-eye field-of-view central area of the display device to a non left-eye field-of-view central area of the display device, a grating period of a left-eye grating region of a first color, a grating period of a left-eye grating region of a second color, and a grating period of a left-eye grating region of a third color all decrease gradually; along a direction pointing from a center of a right-eye field-of-view central area of the display device to a non right-eye field-of-view central area of the display device, a grating period of a right-eye grating region of the first color, a grating period of a right-eye grating region of the second color, and a grating period of a right-eye grating region of the third color all decrease gradually.Type: ApplicationFiled: June 7, 2017Publication date: August 2, 2018Inventors: Wei WANG, Yafeng YANG, Xiaochuan CHEN, Jifeng TAN, Xinli MA, Can ZHANG, Can WANG, Jian GAO, Qian WANG
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Publication number: 20180217306Abstract: A display device includes a display panel and a grating layer inside or outside the display panel. The display panel includes R pixels, G pixels and B pixels. The grating layer includes a R grating region, a G grating region and a B grating region; along a direction from a center of a central area of the view field of the display device to a non-central area of the view field, each of grating periods of the R, G and B grating regions gradually decreases; and lights emitted from positions of the display device corresponding to the R pixel, the G pixel and the B pixel are emitted respectively along straight lines formed by the position of the R pixel and the viewer, formed by the position of the G pixel and the viewer and formed by the position of the B pixel and the viewer.Type: ApplicationFiled: April 28, 2017Publication date: August 2, 2018Inventors: Wei WANG, Yafeng YANG, Xiaochuan CHEN, Jifeng TAN, Jian GAO, Can WANG, Xinli MA, Can ZHANG, Qian WANG