Patents by Inventor DeHuei Chen
DeHuei Chen 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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Publication number: 20230298516Abstract: A display having an area of non-transparent pixels, an area of transparent pixels, a camera positioned behind the transparent pixels to capture an image when light passes through the transparent pixels, and a display controller for driving the non-transparent pixels at a first brightness and driving the transparent pixels at a second brightness greater than the first brightness during image capture by the camera.Type: ApplicationFiled: May 26, 2023Publication date: September 21, 2023Applicant: Hewlett-Packard Development Company, L.P.Inventors: Hsing-Hung Hsieh, Kuan-Ting Wu, Dehuei Chen
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Patent number: 11763748Abstract: A control circuit of a pixel-addressable display corrects a brightness of a pixel element of a pixel circuit of the display based on a curvature of a curvable area of the display. The control circuit selectively applies data line voltages to the pixel circuit. The pixel circuit applies a driving voltage to the pixel element based on the data line voltages.Type: GrantFiled: October 21, 2019Date of Patent: September 19, 2023Assignee: Hewlett-Packard Development Company, L.P.Inventors: Hsing-Hung Hsieh, Dehuei Chen, Ann Alejandro Villegas
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Patent number: 11694613Abstract: A display having an area of non-transparent pixels, an area of transparent pixels, a camera positioned behind the transparent pixels to capture an image when light passes through the transparent pixels, and a display controller for driving the non-transparent pixels at a first brightness and driving the transparent pixels at a second brightness greater than the first brightness during image capture by the camera.Type: GrantFiled: July 25, 2019Date of Patent: July 4, 2023Assignee: Hewlett-Packard Development Company, L.P.Inventors: Hsing-Hung Hsieh, Kuan-Ting Wu, Dehuei Chen
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Publication number: 20220351676Abstract: In example implementations, a display is provided. The display includes an organic light emitting diode (OLED). An anode is coupled to the OLED and a thin film transistor is coupled to the anode of the OLED. A cathode layer is coupled to the OLED. An electrically controllable reflective layer is coupled to the cathode layer. An electrode layer is coupled to the electrically controllable reflective layer to control an amount of reflectivity of the electrically controllable reflective layer.Type: ApplicationFiled: November 18, 2019Publication date: November 3, 2022Applicant: Hewlett-Packard Development Company, L.P.Inventors: Hsing-Hung Hsieh, Kuan-Ting Wu, Dehuei Chen
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Publication number: 20220351685Abstract: A control circuit of a pixel-addressable display corrects a brightness of a pixel element of a pixel circuit of the display based on a curvature of a curvable area of the display. The control circuit selectively applies data line voltages to the pixel circuit. The pixel circuit applies a driving voltage to the pixel element based on the data line voltages.Type: ApplicationFiled: October 21, 2019Publication date: November 3, 2022Applicant: Hewlett-Packard Development Company, L.P.Inventors: Hsing-Hung Hsieh, Dehuei Chen, Ann Alejandro Villegas
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Publication number: 20220342257Abstract: Example displays are disclosed that include a plurality of pixels, each pixel including a first sub-pixel and a set of second sub-pixels. In addition, the displays include a plurality of opaque structures aligned with the first sub-pixels, each opaque structure including a reflective surface to scatter light emitted from the first sub-pixels.Type: ApplicationFiled: October 30, 2019Publication date: October 27, 2022Applicant: Hewlett-Packard Development Company, L.P.Inventors: Hsing-Hung Hsieh, Ann Alejandro Villegas, Dehuei Chen
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Publication number: 20220199046Abstract: Example systems and related methods for adjusting a backlight of a display based on a position of a viewer are disclosed. In an example, the system includes a display including an outer surface, and a backlight assembly to emit light in a direction that is perpendicular to the outer surface. In addition, the system includes a controller coupled to the backlight. The controller to adjust a brightness of light emitted from a first portion of the backlight assembly relative to a brightness of light emitted from a second portion of the backlight assembly to provide a substantially uniform brightness for the display at a position of the viewer relative to the display.Type: ApplicationFiled: September 6, 2019Publication date: June 23, 2022Applicant: Hewlett-Packard Development Company, L.P.Inventors: Hsing-Hung Hsieh, Alan Man Pan Tam, Dehuei Chen
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Publication number: 20220148500Abstract: A display having an area of non-transparent pixels, an area of transparent pixels, a camera positioned behind the transparent pixels to capture an image when light passes through the transparent pixels, and a display controller for driving the non-transparent pixels at a first brightness and driving the transparent pixels at a second brightness greater than the first brightness during image capture by the camera.Type: ApplicationFiled: July 25, 2019Publication date: May 12, 2022Applicant: Hewlett-Packard Development Company, L.P.Inventors: Hsing-Hung Hsieh, Kuan-Ting Wu, Dehuei Chen
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Publication number: 20220050314Abstract: In example implementations, a display is provided. The display includes a collimated back light unit (BLU) comprising a light guide plate and a plurality of light emitting diodes (LEDs), a polymer dispersed liquid crystal (PDLC) layer formed over the collimated BLU, a thin film transistor (TFT) substrate, a liquid crystal layer formed over the TFT substrate, a color filter (CF) substrate, and a controller. The PDLC layer is to provide selective privacy areas on the display. The TFT substrate is to control emission of light from the plurality of LEDs. The CF substrate is to control a color of the light emitted from the plurality of LEDs. The controller is communicatively coupled to the plurality of LEDs and the POLO layer to activate a selected area of the PDLC layer to enable a privacy area on a corresponding area that is selected on the display.Type: ApplicationFiled: December 13, 2018Publication date: February 17, 2022Applicant: HEWLETT-PACKARD DEVELOPMENT COMPANY, L.P.Inventors: Hsing-Hung Hsieh, Wan Ching Lee, Dehuei Chen
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Publication number: 20220011607Abstract: Example electronic devices including a display are disclosed. In an example, the display includes a backlight, and an image generator to form an image from light emitted from the backlight. In addition, the display includes a first privacy panel and a second privacy panel disposed between the backlight and the image generator. The first privacy panel includes a first set of parallel lines, and the second privacy panel includes a second set of parallel lines that are perpendicular to the first set of parallel lines. The first set of parallel lines is to actuate to selectively adjust a first viewing angle of the display in a first plane, and the second set of parallel lines is to actuate to selectively adjust a second viewing angle of the display in a second plane that is perpendicular to the first plane.Type: ApplicationFiled: January 10, 2019Publication date: January 13, 2022Applicant: Hewlett-Packard Development Company, L.P.Inventors: Hsing-Hung Hsieh, Alan Man Pan Tam, Dehuei Chen
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Patent number: 8040991Abstract: A method and an apparatus for synchronizing a data stream are disclosed. The method comprises: decoding the data stream to generate a decoded data stream and program clock references; generating a local clock reference; generating a simulated clock reference according to the program clock references and the local clock reference; comparing the local clock reference with the simulated clock reference; adjusting a processing timing of the decoded data stream according to the comparison result; and processing the decoded data stream according to the processing timing.Type: GrantFiled: July 30, 2010Date of Patent: October 18, 2011Assignee: Realtek Semiconductor Corp.Inventors: Ming-Jane Hsieh, Chia-Wei Yu, Yung-Cheng Hsiung, DeHuei Chen
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Publication number: 20100289952Abstract: A method and an apparatus for synchronizing a data stream are disclosed. The method comprises: decoding the data stream to generate a decoded data stream and program clock references; generating a local clock reference; generating a simulated clock reference according to the program clock references and the local clock reference; comparing the local clock reference with the simulated clock reference; adjusting a processing timing of the decoded data stream according to the comparison result; and processing the decoded data stream according to the processing timing.Type: ApplicationFiled: July 30, 2010Publication date: November 18, 2010Applicant: REALTEK SEMICONDUCTOR CORP.Inventors: Ming-Jane Hsieh, Chia-Wei Yu, Yung-Cheng Hsiung, DeHuei Chen
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Patent number: 7787578Abstract: A method and an apparatus for synchronizing a data stream are disclosed. The method includes: decoding the data stream to generate a decoded data stream and program clock references; generating a local clock reference; generating a simulated clock reference according to the program clock references and the local clock reference; comparing the local clock reference with the simulated clock reference to generate a comparison result; adjusting a processing timing of the decoded data stream according to the comparison result; and processing the decoded data stream according to the processing timing.Type: GrantFiled: July 12, 2006Date of Patent: August 31, 2010Assignee: Realtek Semiconductor Corp.Inventors: Ming-Jane Hsieh, Chia-Wei Yu, Yung-Cheng Hsiung, DeHuei Chen
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Publication number: 20070013811Abstract: A method and an apparatus for synchronizing a data stream are disclosed. The method includes: decoding the data stream to generate a decoded data stream and program clock references; generating a local clock reference; generating a simulated clock reference according to the program clock references and the local clock reference; comparing the local clock reference with the simulated clock reference to generate a comparison result; adjusting a processing timing of the decoded data stream according to the comparison result; and processing the decoded data stream according to the processing timing.Type: ApplicationFiled: July 12, 2006Publication date: January 18, 2007Inventors: Ming-Jane Hsieh, Chia-Wei Yu, Yung-Cheng Hsiung, DeHuei Chen
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Publication number: 20060200608Abstract: A bus arbiter includes a counter circuit for generating a plurality of output values, wherein each of the output values is generated according to the number of times that one of a plurality of master devices utilizes a bus; and a control circuit for enabling one of the master devices to utilize the bus.Type: ApplicationFiled: November 28, 2005Publication date: September 7, 2006Inventors: Shih-Wei Peng, Zou-Ping Chen, DeHuei Chen