Patents by Inventor Hai Chi
Hai Chi 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: 10054269Abstract: A direct-type backlight optical simulation apparatus and system are provided. The apparatus includes a diffusion plate, a supporting plate for the diffusion plate, an MF device and a platform, a side wall and a supporting rack for the diffusion plate are formed around the platform, and the platform includes slides, a reflection sheet and a plurality of first guide rails arranged to be parallel to each other. The MF device includes an MF fixing device, an MF reflection plate and an MF angle adjustment device. The MF reflection plate is coupled with the MF fixing device by the MF angle adjustment device, and the MF device is fixed on the side walls of the platform by the MF fixing device.Type: GrantFiled: May 20, 2016Date of Patent: August 21, 2018Assignees: BOE TECHNOLOGY GROUP CO., LTD., BEIJING BOE DISPLAY TECHNOLOGY CO., LTD.Inventors: Wei Zhang, Yu Zhang, Hao Zhou, Yanping Liao, Weihao Hu, Hai Chi, Wei Zhong
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Patent number: 9958587Abstract: Embodiments of the invention relate to a light guide plate, a method for fabricating the same and a backlight unit. The light guide plate comprises a low density region and a plurality of high density regions, wherein the plurality of high density regions are separately disposed on a light incident side of the light guide plate.Type: GrantFiled: July 17, 2013Date of Patent: May 1, 2018Assignees: BOE TECHNOLOGY GROUP CO., LTD., BEIJING BOE DISPLAY TECHNOLOGY CO., LTD.Inventors: Zhidan Zhang, Hongli Zhu, Daekeun Yoon, Qing Ma, Hai Chi, You Li
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Publication number: 20180066805Abstract: A direct-type backlight optical simulation apparatus and system are provided. The apparatus includes a diffusion plate, a supporting plate for the diffusion plate, an MF device and a platform, a side wall and a supporting rack for the diffusion plate are formed around the platform, and the platform includes slides, a reflection sheet and a plurality of first guide rails arranged to be parallel to each other. The MF device includes an MF fixing device, an MF reflection plate and an MF angle adjustment device. The MF reflection plate is coupled with the MF fixing device by the MF angle adjustment device, and the MF device is fixed on the side walls of the platform by the MF fixing device.Type: ApplicationFiled: May 20, 2016Publication date: March 8, 2018Inventors: Wei ZHANG, Yu ZHANG, Hao ZHOU, Yanping LIAO, Weihao HU, Hai CHI, Wei ZHONG
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Patent number: 9500892Abstract: The present disclosure provides a liquid crystal module and a display device. The liquid crystal module includes a liquid crystal screen and a backlight module. It further includes a side bezel for assembling the backlight module. The side bezel includes a first portion surrounding both sides of the backlight module and a second portion bent inwardly between the liquid crystal screen and the backlight module, and the second portion is provided with a connection structure for connecting and assembling the liquid crystal screen. According to the present disclosure, the bezel-free liquid crystal module, i.e., the liquid crystal screen without any frame or cover, will be provided by means of the connection structure. As a result, it is able to provide an attractive appearance and a simple structure, thereby to provide a user with a perfect and wide visual effect.Type: GrantFiled: May 6, 2014Date of Patent: November 22, 2016Assignees: BOE TECHNOLOGY GROUP CO., LTD., BEIJING BOE DISPLAY TECHNOLOGY CO., LTD.Inventors: Hai Chi, Zhidan Zhang, Hao Zhou, Qing Ma
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Publication number: 20160266440Abstract: The present disclosure discloses a lampshade, a backlight module and a display apparatus. The lampshade includes a containing part and a light-emitting part, wherein a chamber for containing the light source is provided inside the containing part, and a convex ridge projecting outwardly is provided on an outer surface, which is opposite to the containing part, of the light-emitting part, in order to converge light emitted by the light source in the chamber. The backlight module includes an optical film layer and a light source apparatus, wherein the light source apparatus includes a plurality of the lampshades according to the present disclosure. The display apparatus includes the backlight module according to the present disclosure.Type: ApplicationFiled: May 21, 2014Publication date: September 15, 2016Applicants: BOE TECHNOLOGY GROUP CO., LTD., BEIJING BOE DISPLAY TECHNOLOGY CO., LTD.Inventors: HAI CHI, QING MA, WENJIA SUN
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Publication number: 20160018689Abstract: The present disclosure provides a liquid crystal module and a display device. The liquid crystal module includes a liquid crystal screen and a backlight module. It further includes a side bezel for assembling the backlight module. The side bezel includes a first portion surrounding both sides of the backlight module and a second portion bent inwardly between the liquid crystal screen and the backlight module, and the second portion is provided with a connection structure for connecting and assembling the liquid crystal screen. According to the present disclosure, the bezel-free liquid crystal module, i.e., the liquid crystal screen without any frame or cover, will be provided by means of the connection structure. As a result, it is able to provide an attractive appearance and a simple structure, thereby to provide a user with a perfect and wide visual effect.Type: ApplicationFiled: May 6, 2014Publication date: January 21, 2016Applicants: BOE TECHNOLOGY GROUP CO., LTD., BEIJING BOE DISPLAY TECHNOLOGY CO., LTD.Inventors: Hai CHI, Zhidan ZHANG, Hao ZHOU, Qing MA
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Patent number: 9223082Abstract: Embodiments of the present invention disclose a backlight assembly and a liquid crystal display device, and the backlight assembly comprises: a light guide plate; a base plate, disposed on an opposite side of a light emitting side of the light guide plate; and a back plate, disposed on a side of the light guide plate along an edge of the base plate, wherein an edge-type light source is disposed on a side facing the light guide plate of the back plate, the back plate is pivotally connected with the base plate via a rotation axis, and the back plate rotates about the rotation axis.Type: GrantFiled: July 18, 2013Date of Patent: December 29, 2015Assignees: BEIJING BOE DISPLAY TECHNOLOGY Co., Ltd., BOE TECHNOLOGY GROUP Co., Ltd.Inventors: Hai Chi, Daekeun Yoon
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Patent number: 8842885Abstract: The invention discloses a camera device that contains an image capture module for capturing image data including a user; an information processing module for obtaining human face image data from the image data, and obtaining a distance information between a human face corresponding to the human face image data and the camera device according to the human face image data; a decision module for determining whether the distance corresponding to said distance information is less than a predetermined value, and generating a prompt information while the distance corresponding to said distance information is less than a predetermined value; and a prompt output module for outputting said prompt information based on said distance information, said prompt information is configured to give a prompt to said user. The invention also discloses an information prompt method.Type: GrantFiled: October 7, 2008Date of Patent: September 23, 2014Assignee: Lenovo (Beijing) LimitedInventors: Yuancheng Wang, Honglei Zhu, Hai Chi, Lu Lu
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Publication number: 20140104885Abstract: Embodiments of the present invention provide a light guide plate, a backlight module and a display device. The light guide plate having at least one side for placing a light source assembly comprising a plurality of light source units, wherein a plurality of microstructure protrusions are provided on the inner side of the bottom surface of the light guide plate, in regions close to the light source assembly, and the microstructure protrusions are provided with at least one reflective surface, which faces toward the regions of the light guide plate corresponding to the gaps between the light source units.Type: ApplicationFiled: October 11, 2013Publication date: April 17, 2014Applicants: BEIJING BOE DISPLAY TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.Inventors: Zhidan ZHANG, Qing MA, Hao ZHOU, Sijun LEI, You LI, Hai CHI
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Publication number: 20140092344Abstract: Embodiments of the present invention disclose a backlight assembly and a liquid crystal display device, and the backlight assembly comprises: a light guide plate; a base plate, disposed on an opposite side of a light emitting side of the light guide plate; and a back plate, disposed on a side of the light guide plate along an edge of the base plate, wherein an edge-type light source is disposed on a side facing the light guide plate of the back plate, the back plate is pivotally connected with the base plate via a rotation axis, and the back plate rotates about the rotation axis.Type: ApplicationFiled: July 18, 2013Publication date: April 3, 2014Inventors: Hai Chi, Daekeun Yoon
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Publication number: 20140078779Abstract: Embodiments of the invention relate to a light guide plate, a method for fabricating the same and a backlight unit. The light guide plate comprises a low density region and a plurality of high density regions, wherein the plurality of high density regions are separately disposed on a light incident side of the light guide plate.Type: ApplicationFiled: July 17, 2013Publication date: March 20, 2014Inventors: Zhidan ZHANG, Hongli ZHU, Daekeun YOON, Qing MA, Hai CHI, You LI
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Publication number: 20090097716Abstract: The invention discloses a camera device, comprising: an image capture module for capturing image data including a user; an information processing module for obtaining human face image data from the image data, and obtaining a distance information between a human face corresponding to the human face image data and the camera device according to the human face image data; a decision module for determining whether the distance corresponding to said distance information is less than a predetermined value, and generating a prompt information while the distance corresponding to said distance information is less than a predetermined value; and a prompt output module for outputting said prompt information based on said distance information, said prompt information is configured to give a prompt to said user. The invention also discloses an information prompt method.Type: ApplicationFiled: October 7, 2008Publication date: April 16, 2009Applicant: LENOVO (BEIJING) LIMITEDInventors: YUANCHENG WANG, Honglei Zhu, Hai Chi, Lu Lu
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Patent number: 7079345Abstract: Demagnetizing magnetic media for recording data in a data storage device includes placing the magnetic media in a magnetic field at a first strength, and gradually reducing the magnetic field to a second strength to essentially eliminate net magnetization in the magnetic media.Type: GrantFiled: January 17, 2002Date of Patent: July 18, 2006Assignee: Maxtor CorporationInventors: Hai Chi Nguy, Steven Lambert, Steven Marshall, George H. Bellesis
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Patent number: 7068465Abstract: A drive housing (22) for shielding a storage disk (13) and a data transducer (48) of a disk drive (10) from external magnetic fields includes a housing shield (24) positioned near the storage disk (13). The housing shield (24) includes a base shield portion (60) and a cover shield portion (64) that are positioned substantially parallel to the storage disk (13). The housing shield (24) also includes one or more wall shield portions (62) oriented substantially perpendicular to the storage disk (13). The housing shield (24) is uniquely sized, shaped and formed from material to have an attenuation of field of at least approximately 10 dB. With this design, the influence of external magnetic fields is reduced and the incidence of damage to data stored on the storage disk (13) is reduced. Additionally, the housing shield (24) enhances the accurate transfer of information between the storage disk (13) and the data transducer (48) of the disk drive (10).Type: GrantFiled: March 30, 2001Date of Patent: June 27, 2006Assignee: Maxtor CorporationInventor: Hai Chi Nguy
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Patent number: 6995950Abstract: A method for reducing flux concentrating capacity of a shield in a magnetic read/write head positioned to read perpendicular residual magnetic fields on a magnetic media. Permeability of the shield is reduced in a direction oriented perpendicular to the magnetic media by inducing a transverse magnetic bias field within the shield.Type: GrantFiled: April 9, 2001Date of Patent: February 7, 2006Assignee: Maxtor CorporationInventors: Bruce Lairson, Mark Nichols, Hai Chi Nguy, Tim Glassburn
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Patent number: 6950277Abstract: A magnetic recording system includes a magnetic medium and a magnetic write head to write information on the magnetic medium. The magnetic write head includes a write pole having a downstream side that has a concave shaped portion when the write pole is viewed from an air bearing surface of the magnetic write head.Type: GrantFiled: October 25, 2002Date of Patent: September 27, 2005Assignee: Maxtor CorporationInventors: Hai Chi Nguy, Michael Mallary, Adam F. Torabi, Bruce Lairson
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Publication number: 20020171982Abstract: A method for reducing flux concentrating capacity of a shield in a magnetic read/write head positioned to read perpendicular residual magnetic fields on a magnetic media. Permeability of the shield is reduced in a direction oriented perpendicular to the magnetic media by inducing a transverse magnetic bias field within the shield.Type: ApplicationFiled: April 9, 2001Publication date: November 21, 2002Inventors: Bruce Lairson, Mark Nichols, Hai Chi Nguy, Tim Glassburn
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Publication number: 20020141109Abstract: A drive housing (22) for shielding a storage disk (13) and a data transducer (48) of a disk drive (10) from external magnetic fields includes a housing shield (24) positioned near the storage disk (13). The housing shield (24) includes a base shield portion (60) and a cover shield portion (64) that are positioned substantially parallel to the storage disk (13). The housing shield (24) also includes one or more wall shield portions (62) oriented substantially perpendicular to the storage disk (13). The housing shield (24) is uniquely sized, shaped and formed from material to have an attenuation of field of at least approximately 10 dB. With this design, the influence of external magnetic fields is reduced and the incidence of damage to data stored on the storage disk (13) is reduced. Additionally, the housing shield (24) enhances the accurate transfer of information between the storage disk (13) and the data transducer (48) of the disk drive (10).Type: ApplicationFiled: March 30, 2001Publication date: October 3, 2002Inventor: Hai Chi Nguy
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Patent number: 6299851Abstract: A method for selectively oxidizing hydrogen sulfide to elemental sulfur is disclosed. The method is performed at a temperature ranged from 50 to 400° C. and at a pressure ranged from 0.1 to 50 atm. The elemental sulfur can be effectively recovered from a gas mixture containing hydrogen sulfide in the presence of a catalyst. The catalyst includes a vanadium-containing material and a catalytic substance selected from the group consisting of scandium (Sc), yttrium (Y), lanthanum (La), samarium (Sm) and compounds thereof. In another embodiment, this catalyst further includes an antimony-containing promoter (antimony compounds) which further exhibit a more effective catalytic performance.Type: GrantFiled: June 17, 1999Date of Patent: October 9, 2001Assignee: National Science CouncilInventors: Kuo-Tseng Li, Ren-Hai Chi
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Patent number: 6251359Abstract: A method for selectively oxidizing hydrogen sulfide to elemental sulfur is disclosed. The elemental sulfur can be effectively recovered from a gas mixture containing hydrogen sulfide in the presence of a multi-component catalyst. The multi-component catalyst includes an antimony-containing substance and a vanadium-and-magnesium-containing material. The antimony containing substance may be antimonous oxide (Sb2O3) or antimony tetraoxide (&agr;-Sb2O4), and the vanadium and magnesium containing material may be magnesium pyrovanadate (Mg3V2O8) or Mg2V2O7.Type: GrantFiled: March 26, 1999Date of Patent: June 26, 2001Assignee: National Science CouncilInventors: Kuo-Tseng Li, Ren-Hai Chi