Patents by Inventor Dengzhai Xiong
Dengzhai Xiong 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: 11705078Abstract: Systems and methods are provided that may be implemented to identify viewable areas of a display panel (such as a liquid crystal display (LCD) panel) of a display panel assembly that are currently not utilized by a user, and then to selectively and dynamically turn off backlights or blocks of backlights (e.g., such as light emitting diode “LED” backlight elements) that illuminate viewable areas of the display panel that correspond to these non-utilized viewable areas. The systems and methods may be so implemented in one example to reduce power consumption of a display panel assembly.Type: GrantFiled: February 25, 2022Date of Patent: July 18, 2023Assignee: Dell Products L.P.Inventors: Tze Fung Chung, Dengzhai Xiong
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Patent number: 11657778Abstract: A display presents picture-in-picture and/or picture-by-picture formatted visual information initiated by secondary information handling systems while the display presents primary visual information. The display broadcasts plural partial video buffer definitions to plural information handling systems that can selectively initiate network sessions to present visual images in areas of the display by storage of visual image information in a portion of the display video buffer. The secondary display area may present visual images for IoT or similar headless devices having relevance to an end user of a primary information handling system.Type: GrantFiled: September 10, 2021Date of Patent: May 23, 2023Assignee: Dell Products L.P.Inventors: Dengzhai Xiong, Eng Soon Tan
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Publication number: 20230081535Abstract: A display presents picture-in-picture and/or picture-by-picture formatted visual information initiated by secondary information handling systems while the display presents primary visual information. The display broadcasts plural partial video buffer definitions to plural information handling systems that can selectively initiate network sessions to present visual images in areas of the display by storage of visual image information in a portion of the display video buffer. The secondary display area may present visual images for IoT or similar headless devices having relevance to an end user of a primary information handling system.Type: ApplicationFiled: September 10, 2021Publication date: March 16, 2023Applicant: Dell Products L.P.Inventors: Dengzhai Xiong, Eng Soon Tan
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Patent number: 11595590Abstract: A method for processing images by an information handling system includes receiving image data including first frames captured using a first exposure at a first frame rate and second frames captured using a second exposure at a second frame rate. The first frame rate is greater than the second frame rate. The method includes merging each second frame of the second frames with each first frame of a corresponding plurality of the first frames to generate a corresponding plurality of merged frames. Each merged frame of the corresponding plurality of merged frames may have a dynamic range of tonal values greater than each dynamic range of tonal values of each frame merged to form the merged frame.Type: GrantFiled: January 24, 2022Date of Patent: February 28, 2023Assignee: Dell Products L.P.Inventors: Shohrab Sheikh, Karthikeyan Krishnakumar, Dengzhai Xiong
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Publication number: 20200233625Abstract: A system, method, and computer-readable medium for performing bezel tiling correction for multiple displays that provides information regarding multiple monitor configuration of a computing system; provides bezel widths of monitors of the multiple monitor configuration; and performs bezel width correction on particular monitors of the multiple monitor configuration based a bezel tiling correction mode that aligns received frames/images that are displayed on the monitors.Type: ApplicationFiled: January 22, 2019Publication date: July 23, 2020Applicant: Dell Products L.P.Inventors: Lei Guo, Dengzhai Xiong, Boon Heng Koh
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Patent number: 10705781Abstract: A system, method, and computer-readable medium for performing bezel tiling correction for multiple displays that provides information regarding multiple monitor configuration of a computing system; provides bezel widths of monitors of the multiple monitor configuration; and performs bezel width correction on particular monitors of the multiple monitor configuration based a bezel tiling correction mode that aligns received frames/images that are displayed on the monitors.Type: GrantFiled: January 22, 2019Date of Patent: July 7, 2020Assignee: Dell Products L.P.Inventors: Lei Guo, Dengzhai Xiong, Boon Heng Koh
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Patent number: 10552110Abstract: In one or more embodiments, a display may receive a command that includes configuration information associated with a video stream, receive a video frame and may determine if the video frame is a synchronization frame. If the video frame is the synchronization frame, the display may reset one or more counters and may provide the video frame to another display or a repeater. If the video frame is not the synchronization frame, the display may determine if the video frame is to be displayed. If the video frame is to be displayed, the display may display the video frame and may provide the video frame to the other display or the repeater. If the video frame is not to be displayed, the display may provide the video frame to the other display or the repeater.Type: GrantFiled: February 6, 2018Date of Patent: February 4, 2020Assignee: Dell Products L.P.Inventors: Boon Heng Koh, Dengzhai Xiong
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Patent number: 10546554Abstract: An information handling system operating an adaptive HDR tone mapping system may comprise a display screen including a plurality of pixels operating at a lower dynamic range of brightness values, a graphics processor executing code instructions to prepare data of an HDR digital image for display at the lower dynamic range, to determine a relative brightness ratio comparing a number of pixels in the data for the image to display at a brightness level below a typical display brightness and at or above the typical display brightness, and to generate a tone map to modify the data of the image if the relative brightness ratio does not meet or exceed a preset threshold such that the pixels are mapped to a maximum brightness of a peaking display brightness level of the display screen, and the display screen displaying the plurality of pixels according to the first adaptive tone map modification.Type: GrantFiled: March 26, 2018Date of Patent: January 28, 2020Assignee: Dell Products, LPInventors: Dengzhai Xiong, Tze Fung Chung, Kwok Yeo Tay
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Publication number: 20190295504Abstract: An information handling system operating an adaptive HDR tone mapping system may comprise a display screen including a plurality of pixels operating at a lower dynamic range of brightness values, a graphics processor executing code instructions to prepare data of an HDR digital image for display at the lower dynamic range, to determine a relative brightness ratio comparing a number of pixels in the data for the image to display at a brightness level below a typical display brightness and at or above the typical display brightness, and to generate a tone map to modify the data of the image if the relative brightness ratio does not meet or exceed a preset threshold such that the pixels are mapped to a maximum brightness of a peaking display brightness level of the display screen, and the display screen displaying the plurality of pixels according to the first adaptive tone map modification.Type: ApplicationFiled: March 26, 2018Publication date: September 26, 2019Applicant: Dell Products, LPInventors: Dengzhai Xiong, Tze Fung Chung, Kwok Yeo Tay
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Publication number: 20190243600Abstract: In one or more embodiments, a display may receive a command that includes configuration information associated with a video stream, receive a video frame and may determine if the video frame is a synchronization frame. If the video frame is the synchronization frame, the display may reset one or more counters and may provide the video frame to another display or a repeater. If the video frame is not the synchronization frame, the display may determine if the video frame is to be displayed. If the video frame is to be displayed, the display may display the video frame and may provide the video frame to the other display or the repeater. If the video frame is not to be displayed, the display may provide the video frame to the other display or the repeater.Type: ApplicationFiled: February 6, 2018Publication date: August 8, 2019Inventors: Boon Heng Koh, Dengzhai Xiong
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Patent number: 10096299Abstract: An adaptive learning algorithm uses a light sensor and a content analyzer to generate boost curves of low-end pixel values to boost the brightness of display content. The adaptive learning algorithm considers the user's manual input to learn the user's preferred boost curves for given conditions. The boost curves are used to digitally boost the gain of the low-end pixels to have higher brightness to improve the visibility of dark display content.Type: GrantFiled: October 10, 2016Date of Patent: October 9, 2018Assignee: Dell Products L.P.Inventor: Dengzhai Xiong
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Publication number: 20180102107Abstract: An adaptive learning algorithm uses a light sensor and a content analyzer to generate boost curves of low-end pixel values to boost the brightness of display content. The adaptive learning algorithm considers the user's manual input to learn the user's preferred boost curves for given conditions. The boost curves are used to digitally boost the gain of the low-end pixels to have higher brightness to improve the visibility of dark display content.Type: ApplicationFiled: October 10, 2016Publication date: April 12, 2018Inventor: Dengzhai Xiong
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Publication number: 20110062794Abstract: The invention relates to a method for switching a multimedia source and multimedia sink from an operating mode to a standby mode, and a method for switching a multimedia source and multimedia sink from a standby mode to an operating mode. When the consumer device comprises two distributed boxes, such as a TV in which the display (multimedia sink) is separated from the processing unit (multimedia source) via a cable, then meeting the green rules for standby power becomes more complicated. The power consumption of processing unit and display unit should be minimal in standby mode. The methods of the invention provide for synchronizing the power states of both units, such that only the relevant parts remain active. The method is applicable on configurations where a DisplayPort link is used between a multimedia source, such as a set-top box, and a multimedia sink, such as a display.Type: ApplicationFiled: May 20, 2009Publication date: March 17, 2011Applicant: Koninklijke Philips Electronics N.V.Inventors: Theodorus Anna Peter Gertrudis Vergoossen, Gerardus Maria Van Loon, Syed Hassan Akbar, Dengzhai Xiong, Chun Hsing Wu, Kok Siang Tan
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Publication number: 20100176752Abstract: In controlling an ambient lighting element, a host event is detected, a light script associated with the detected event is retrieved and the retrieved light script is rendered in correspondence with the detected event. A user may associate the light script with the event and/or an event type that corresponds to the event. A default association of events and/or event types may be provided, although these default associations may be modified by the user. An event type that corresponds to the event may be identified and a light script associated with the identified event type may be rendered in response to the detected event.Type: ApplicationFiled: March 27, 2007Publication date: July 15, 2010Applicant: Koninklijke Philips Electronics N.V.Inventor: Dengzhai Xiong