Patents by Inventor Guangkui QIN
Guangkui QIN 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: 9690025Abstract: A polarizer is disclosed and it is used in combination with a reflection layer. The polarizer comprises a polarizing layer (702) and a compensation layer (704). The compensation layer (704) is disposed between the polarizing layer (702) and the reflection layer. Accordingly, a display device comprising the polarizer is also disclosed. The polarizer solves the problem of oblique light leakage of OLED displays.Type: GrantFiled: June 17, 2013Date of Patent: June 27, 2017Assignee: BOE Technology Group Co., Ltd.Inventor: Guangkui Qin
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Patent number: 9638957Abstract: An embodiment of present invention discloses a liquid crystal display provided with viewing angle compensation. The liquid crystal display provided with viewing angle compensation comprises a liquid crystal cell in a vertical arrangement, upper and lower polarizer sheets, and further comprises the first biaxial compensation film provided between the liquid crystal cell and the lower polarizer sheet, the second biaxial compensation film provided between the liquid crystal cell and the upper polarizer sheet, and a monoaxial compensation film provided at the upside and/or downside of the liquid crystal cell. The embodiment of present invention may be applicable for the viewing angle compensation in wide viewing-angle techniques.Type: GrantFiled: October 8, 2012Date of Patent: May 2, 2017Assignee: BOE TECHNOLOGY GROUP CO., LTD.Inventors: Yafeng Yang, Guangkui Qin, Jiaoming Lu, Jaegeon You
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Publication number: 20170023724Abstract: The present disclosure provides an optical module and a reflective display apparatus that relate to the technical field of display and may improve the display effects in a dark environment to enhance the contrast of the display apparatus. The optical module includes a light guide plate, a light emitting unit arranged at a lateral side of the light guide plate, and an optical film and a scattering film stacked in sequence on the light guide plate, wherein the optical film is configured to reduce an incident angle of incident light and the scattering film is configured to scatter the incident light, the optical film being arranged between the light guide plate and the scattering film.Type: ApplicationFiled: June 9, 2015Publication date: January 26, 2017Applicant: BOE Technology Group Co., Ltd.Inventors: Guangkui Qin, Xinxing Wang, Ming Zhu, Zezhou Yang, Jifeng Tan
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Publication number: 20160370654Abstract: A display panel and a display device are provided. The display panel comprises a central region and peripheral regions. The peripheral regions are provided at two opposite ends of the display panel and have a first curvature; the central region is provided between the two opposite ends of the display panel and has a second curvature; and the second curvature of the central region is smaller than the first curvature of the peripheral regions.Type: ApplicationFiled: May 14, 2015Publication date: December 22, 2016Applicant: BOE Technology Group Co., Ltd.Inventors: Jaegeon You, Xinxing Wang, Weili Zhao, Guangkui Qin
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Publication number: 20160363794Abstract: This invention discloses a liquid crystal display (LCD) device and a method of manufacturing the same. The LCD device comprises a first substrate and a second substrate opposing each other, and a nematic liquid crystal layer disposed therebetween and comprising a nematic liquid crystal and a polymer network. The polymer network is formed by irradiation polymerization of a functional monomer in a nematic liquid crystal mixture. The polymer network can reduce the scattering phenomena caused by the refractive index mismatch between liquid crystal and polymer in the prior LCD devices and significantly reduce the dark-state light leakage, so that the contrast is improved. Moreover, since there is no polymer projection disposed on the alignment layer according to the invention, the dark-state light leakage caused by polymer projections is avoided and thus the contrast is further improved.Type: ApplicationFiled: November 20, 2015Publication date: December 15, 2016Inventors: Xiaochen ZHOU, Dengke YANG, Guangkui QIN
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Publication number: 20160349552Abstract: A display panel, a fabricating method thereof and a display device are provided. The display panel comprises: a first substrate (1); a second substrate (2), opposed to the first substrate (1); a sealant (3), disposed between the first substrate (1) and the second substrate (2) to seal the first substrate (1) and the second substrate (2), and the sealant (3) between adjacent display regions (10,11) between the first substrate (1) and the second substrate (2) including a pre-cutting position (a-a?); and a curing barrier layer (5), disposed at a position corresponding to the pre-cutting position on a surface facing the second substrate (2) of the first substrate (1) and/or on a surface facing the first substrate (1) of the second substrate (2). The sealant (3) covers the curing barrier layer (5). According to the display panel and the fabricating method thereof, the success rate of the sealant (3) break can be increased, and the design of the narrow bezel can be achieved.Type: ApplicationFiled: July 21, 2015Publication date: December 1, 2016Applicant: BEO TECHNOLOGY GROUP CO., LTD.Inventors: Yue SHI, Xin GU, Jikai YAO, Guangkui QIN, Ming ZHU, Miki KASHIMA, Yafeng YANG
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Publication number: 20160349607Abstract: The present disclosure provides a display panel, including: a reflector; a phase retarder configured to change a polarization direction of a light beam passing through the phase retarder; a light-absorbing black matrix configured to absorb the light beam; and a polarization scattering film. After passing through the polarization scattering film, a polarized light beam from a projector is transmitted along an original light path, then the polarized light beam is transmitted through the phase retarder, reflected by the reflector and directed again to the polarization scattering film so as to be scattered. After passing through the polarization scattering film, a light beam with a polarization direction different from the polarized light beam from the projector is scattered by the polarization scattering film and then absorbed by the light-absorbing black matrix.Type: ApplicationFiled: March 31, 2016Publication date: December 1, 2016Applicant: BOE TECHNOLOGY GROUP CO., LTD.Inventor: Guangkui QIN
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Publication number: 20160342002Abstract: A display substrate for a liquid crystal display device, a manufacturing method thereof and a liquid crystal display device are provided. The display substrate comprises a first base substrate, a phase retardation layer and a first alignment layer. The phase retardation layer is located above the first base substrate, and the first alignment layer is located above the phase retardation layer; the phase retardation layer is configured to perform phase retardation on light entering the phase retardation layer, and a direction of phase retardation generated by the phase retardation layer is vertical to a direction of phase retardation generated by the liquid crystal in the liquid crystal display device. With the above technical solutions provided by the present invention, the phase retardation generated by the liquid crystal is counteracted by the phase retardation generated by the phase retardation layer, thereby avoiding serious dark-state light leakage and improving the contrast.Type: ApplicationFiled: April 17, 2015Publication date: November 24, 2016Inventor: Guangkui QIN
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Publication number: 20160327691Abstract: A polarizer and a manufacturing method thereof, a display panel and a display device are provided. The polarizer comprises a first protective layer (1) and a conductive layer (2) arranged on the first protective layer (1), and a material of the conductive layer (2) includes graphene. The polarizer is applied to a manufacturing technology of a display, solves a problem of possible electrostatic breakdown of a display device, avoids use of rare metal, reduces production cost, ensures performance of the display device and meets a matching degree of a process.Type: ApplicationFiled: July 16, 2015Publication date: November 10, 2016Applicant: BOE TECHNOLOGY GROUP CO., LTD.Inventors: Yue SHI, Guangkui QIN, Jikai YAO
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Publication number: 20160320546Abstract: The invention discloses a light guide plate, a manufacturing method thereof, a backlight module and a display device. The light guide plate comprises a main body, a transparent material layer is arranged on a surface of the main body, and a scattering structure is arranged in the transparent material layer. The scattering structure can change the outgoing direction of first light entering the scattering structure, so that the first light has different outgoing directions, and thus a display panel can achieve normal display even in a dark environment.Type: ApplicationFiled: April 7, 2016Publication date: November 3, 2016Inventors: Guangkui QIN, Xinxing WANG, Ming ZHU
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Publication number: 20160299274Abstract: The present disclosure provides a polarizer, its manufacturing method and a display device. The polarizer includes a substrate, and a metal grating formed on the substrate and including a metal nano-wire array arranged in a predetermined direction.Type: ApplicationFiled: April 12, 2016Publication date: October 13, 2016Applicant: BOE TECHNOLOGY GROUP CO., LTD.Inventors: Guangkui QIN, Zhen LIU
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Patent number: 9459496Abstract: The present disclosure provides a display panel and a display device. The display panel includes a pixel unit including first and second sub-unit regions. Liquid crystal molecules in the liquid crystal layer corresponding to the first sub-unit region have a first initial alignment direction, and liquid crystal molecules in the liquid crystal layer corresponding to the second sub-unit region have a second initial alignment direction. The pixel unit further includes a third sub-unit region arranged between the first and second sub-unit regions. Liquid crystal molecules in the liquid crystal layer corresponding to the third sub-unit region have a third initial alignment direction, which is an alignment direction in a rotation from the first initial alignment direction towards the second initial alignment direction along a first rotation direction. An angle difference between the first and second initial alignment directions is greater than 0° and less than or equal to 90°.Type: GrantFiled: October 14, 2014Date of Patent: October 4, 2016Assignee: BOE TECHNOLOGY GROUP CO., LTD.Inventors: Teruaki Suzuki, Guangkui Qin, Yafeng Yang, Xin Gu, Miki Kashima, Kiman Kim
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Publication number: 20160195730Abstract: A stereoscopic display device and a stereoscopic display method are provided. The stereoscopic display device comprises: a display unit configured for displaying an image and emitting emergent light; and at least two active scattering panels arranged at a light-emitting side of the display unit and in different planes. The active scattering panels are configured for performing a scattering process to the emergent light, so that the emergent light, after being scattered by the different active scattering panels, forms a stereoscopic picture. By providing a plurality of active scattering panels to achieve stereoscopic display without the provision of a plurality of display panels, it is possible to avoid the problem that backlight emitted by a backlight source is subjected to a serious reduction in transmittance after passing through a plurality of layers of display panels, thereby improving display brightness of a stereoscopic display device.Type: ApplicationFiled: December 17, 2014Publication date: July 7, 2016Inventor: Guangkui Qin
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Publication number: 20160170264Abstract: The embodiments of the present invention provide a light guiding plate, an optical film, a backlight module, an array substrate and a liquid crystal module. A reflective layer and a light collimating layer are formed on one surface of the light guiding plate, the reflective layer is positioned below the light collimating layer and has a plurality of holes. The light from the point light source is collimated by the light collimating layer) to form a parallel lights, so that the lights are incident into the array substrate at the same angle without any lights at other angles. Thus, the same brightness is maintained when viewed from different angles by the users, and the problem of the viewing angle dependency in the TFT-LCD is overcome.Type: ApplicationFiled: June 27, 2013Publication date: June 16, 2016Inventor: Guangkui QIN
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Patent number: 9354474Abstract: An embodiment of the present invention provides an array substrate comprising a plurality of pixel units, each of the pixel units including a thin film transistor and a insulating layer, wherein a first pixel electrode and a first common electrode are disposed on an upper surface of the insulating layer, a second common electrode aligned to the first common electrode and a second pixel electrode aligned to the first common electrode are disposed on a lower surface of the insulating layer.Type: GrantFiled: November 12, 2013Date of Patent: May 31, 2016Assignee: BOE TECHNOLOGY GROUP CO., LTD.Inventors: Guangkui Qin, Jaegeon You
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Publication number: 20160109988Abstract: Please amend the Abstract as follows: Disclosed are a touch display panel and a display device. The touch display panel includes common electrodes, pixel electrodes, a processing module, at least one first magnetic sensing electrode and at least one second magnetic sensing electrode. The at least one first magnetic sensing electrode is disposed on the same layer as the common electrodes and configured to sense magnetic field variation in a first direction (X) and generate corresponding magnetic sensing signals; and the at least one second magnetic sensing electrode is disposed on the same layer as the pixel electrodes and configured to sense magnetic field variation in a second direction (Y) and generate corresponding magnetic sensing signals. An angle between the first direction (X) and the second direction (Y) is a non-zero angle. The processing module is configured to generate touch signals according to the magnetic sensing signals.Type: ApplicationFiled: October 16, 2014Publication date: April 21, 2016Applicant: BOE TECHNOLOGY GROUP CO., LTD.Inventors: Xinxing WANG, Guangkui QIN
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Publication number: 20160041431Abstract: The present disclosure provides a display panel and a display device. The display panel includes a pixel unit including first and second sub-unit regions. Liquid crystal molecules in the liquid crystal layer corresponding to the first sub-unit region have a first initial alignment direction, and liquid crystal molecules in the liquid crystal layer corresponding to the second sub-unit region have a second initial alignment direction. The pixel unit further includes a third sub-unit region arranged between the first and second sub-unit regions. Liquid crystal molecules in the liquid crystal layer corresponding to the third sub-unit region have a third initial alignment direction, which is an alignment direction in a rotation from the first initial alignment direction towards the second initial alignment direction along a first rotation direction. An angle difference between the first and second initial alignment directions is greater than 0° and less than or equal to 90°.Type: ApplicationFiled: October 14, 2014Publication date: February 11, 2016Applicant: BOE TECHNOLOGY GROUP CO., LTD.Inventors: Teruaki Suzuki, Guangkui Qin, Yafeng Yang, Xin Gu, Miki Kashima, Kiman Kim
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Patent number: 9229270Abstract: The present invention relates to liquid display technology, and provides a liquid crystal display screen and a display device. A first and a second optical compensation film are disposed on each side of the liquid crystal layer respectively. By the first optical compensation film, a polarized light obtained from light non-normally incident into a first polarizing layer is compensated so that the polarized light becomes a first elliptically polarized light. By means of the phase retardation function of the liquid crystal layer, the first elliptically polarized light is converted into a second elliptically polarized light with its polarization direction consistent with that of the first elliptically polarized light and its rotation direction opposite to that of the first elliptically polarized light. By the second optical compensation film, the second elliptically polarized light is compensated into a polarized light capable of being absorbed completely by a second polarizing layer.Type: GrantFiled: December 13, 2013Date of Patent: January 5, 2016Assignee: BOE Technology Group Co., Ltd.Inventor: Guangkui Qin
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Publication number: 20150338701Abstract: A color filter substrate comprises: a substrate and a color filter formed on the substrate; and a color conversion layer, a first refractive index film layer, a second refractive index film layer and a third refractive index film layer formed in turn on a side of the color filter facing away from the substrate. The second refractive index film layer has a refractive index larger than that of the third refractive index film layer, larger than that of the first refractive index film layer under a condition of powering down, and smaller than that of the first refractive index film layer under a condition of powering up. The color filter is configured to absorb a portion of outside light, which creates photoluminescence reaction with the color conversion layer, thereby to avoid white color caused by the photoluminescence reaction, and to allow the display color brighter.Type: ApplicationFiled: July 10, 2014Publication date: November 26, 2015Inventors: Ki Man KIM, Guangkui QIN, Jaegeon YOU
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Patent number: 9134571Abstract: A liquid crystal panel and a display device are disclosed. In the liquid crystal panel, the first anisotropic optical layer comprises a first phase difference film and a second phase difference film, the second anisotropic optical layer comprises a liquid crystal film and a third phase difference film, wherein an orientation of liquid crystals in the liquid crystal film and an orientation of the liquid crystal layer are parallel to each other, a slow axis direction of the second phase difference film is vertical to the orientation of liquid crystals in the liquid crystal film.Type: GrantFiled: October 18, 2013Date of Patent: September 15, 2015Assignee: BOE TECHNOLOGY GROUP CO., LTD.Inventors: Miki Kashima, Teruaki Suzuki, Guangkui Qin