Patents Examined by Chanh D. Nguyen
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Patent number: 11636829Abstract: A display device includes a display panel including a first display area and a second display area adjacent to the first display area, a processor configured to generate first image data corresponding to the first and second display areas for a first mode, and to generate second image data corresponding to the first display area for a second mode, and a display driver configured to drive the display panel in response to the first image data in the first mode, and to drive the display panel in response to the second image data in the second mode, wherein a supplementary image is displayed in at least a portion of the second display area in the second mode.Type: GrantFiled: February 12, 2020Date of Patent: April 25, 2023Assignee: Samsung Display Co., Ltd.Inventors: Ji Hye Kim, Jae Hyeon Jeon
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Patent number: 11630635Abstract: A display apparatus includes a display unit including a display panel configured to display an image, a curvature variation unit disposed on a rear surface of the display unit and varying a curvature of the display unit, and a vibration unit disposed on the rear surface of the display unit configured to vibrate the display panel.Type: GrantFiled: October 23, 2020Date of Patent: April 18, 2023Assignee: LG Display Co., Ltd.Inventor: Seokhyo Cho
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Patent number: 11619987Abstract: When the speed of head movement exceeds the processing capability of the system, a reduced depiction is displayed. As one example, the resolution may be reduced using coarse pixel shading in order to create a new depiction at the speed of head movement. In accordance with another embodiment, only the region the user is looking at is processed in full resolution and the remainder of the depiction is processed at lower resolution. In still another embodiment, the background depictions may be blurred or grayed out to reduce processing time.Type: GrantFiled: July 10, 2020Date of Patent: April 4, 2023Assignee: Intel CorporationInventors: Ravindra A. Babu, Sashank Ms, Satyanantha R. Musunuri, Sagar C. Pawar, Kalyan K. Kaipa, Vijayakumar Balakrishnan, Sameer Kp
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Patent number: 11620926Abstract: An abnormality detection circuit includes: a plurality of voltage dividing circuits; a first selector configured to select and output one of a plurality of outputs of the plurality of voltage dividing circuits; a first comparator configured to compare an output of the first selector with a reference voltage; and a first detector configured to detect an abnormality based on an output of the first comparator, wherein the selection of the first selector is switched in synchronization with a vertical synchronization signal or a horizontal synchronization signal of a liquid crystal display device.Type: GrantFiled: July 28, 2022Date of Patent: April 4, 2023Assignee: Rohm Co., Ltd.Inventors: Akira Hashimoto, Takateru Yamamoto, Sukenori Ito, Yasunobu Inoue
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Patent number: 11614621Abstract: Systems and methods involving one or more wearable components that obtain information about a surrounding environment and provide information to a user to assist user in retrieving objects from the surrounding environment. The information may include navigation information related to a route that the user may take to retrieve an object, as well as information about the object to be retrieved. The wearable components may be include ones that may be mounted on the head of the user, as well as components that the user may wear on other parts of the body or that attach to clothing. The wearable components may include image sensors, microphones, machine-readable symbol readers, range-finders, accelerometers, and/or gyroscopes that may collect information from and about the surroundings of the user. The wearable components may also include one or more of a set of speakers and/or a display subsystem to provide information to the user.Type: GrantFiled: December 18, 2018Date of Patent: March 28, 2023Assignee: Datalogic IP Tech, S.r.l.Inventors: Claudio Acciarri, Raul Avila, Davide Bruni, Steven Clapham, Kevin Edward Duffey, Reza Ebrahimi, Eric Freel, Martin Gebel, Jesus Alberto Granado Garcia, John Ingram, Jaehoon Lee, Kiat Lim, Marek Pisecny, Paul Timmerwilke, Matteo Zanaroli, Ryan Adkins
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Patent number: 11609444Abstract: A measurement system for measuring a motion picture response time (MPRT) of a liquid crystal display (LCD) has a computer and a measurement device. The computer controls a display panel of the LCD to switch between a plurality of different gray levels. The measurement device measures variations of brightness of the display panel when the display panel switches its gray level. The computer obtains at least a gray level response time (GLRT) normalized curve according to results of measuring the variations of the brightness. The computer integrates the at least a GLRT normalized curve to obtain at least an MPRT normalized curve, obtains at least a time interval of the at least an MPRT normalized curve, and calculates an average of the at least a time interval to obtain the MPRT of the LCD.Type: GrantFiled: March 4, 2021Date of Patent: March 21, 2023Assignee: Realtek Semiconductor Corp.Inventors: Yung-Chih Chen, Wei-Chih Lin, Jui-Te Wei, Po-An Chen
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Patent number: 11604620Abstract: A display apparatus includes a display unit including a display panel configured to display an image, a curvature variation unit disposed on a rear surface of the display unit and varying a curvature of the display unit, and a vibration unit disposed on the rear surface of the display unit configured to vibrate the display panel.Type: GrantFiled: October 23, 2020Date of Patent: March 14, 2023Assignee: LG Display Co., Ltd.Inventor: Seokhyo Cho
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Patent number: 11592918Abstract: The present disclosure provides a flexible touch panel and a display device. The flexible touch panel includes a flexible substrate baseplate, and a touch electrode layer including a plurality of touch electrodes arranged on the flexible substrate baseplate. The flexible touch panel includes at least one bendable area, and at least one of the plurality of touch electrodes has a cutoff region within the bendable area to disconnect the touch electrode.Type: GrantFiled: July 17, 2020Date of Patent: February 28, 2023Assignee: BOE TECHNOLOGY GROUP CO., LTD.Inventors: Lingran Wang, Tian Dong, Shiming Shi
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Patent number: 11580926Abstract: A display panel includes an amorphous silicon gate driver in which a lower voltage than the gate-off voltage output from the gate driver is applied to an adjacent stage as a low voltage transmission signal.Type: GrantFiled: August 19, 2021Date of Patent: February 14, 2023Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Jae-Hoon Lee, Seung-Hwan Moon, Yong-Soon Lee, Young-Su Kim, Chang-Ho Lee, Whee-Won Lee, Jun-Yong Song, Yu-Han Bae
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Patent number: 11574577Abstract: A method for calibrating a color gamut of a display screen includes: acquiring a brightness level of the display screen, and original red green blue (RGB) values of a color to be displayed by a pixel in the display screen; determining, according to the brightness level of the display screen and the original RGB values, corrected color coordinates; and determining a calibrated RGB values according to the corrected color coordinates, and driving, with the calibrated RGB values, light emission of the pixel in the display screen.Type: GrantFiled: November 16, 2020Date of Patent: February 7, 2023Assignee: BEIJING XIAOMI MOBILE SOFTWARE CO., LTD.Inventor: Dong Zhai
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Patent number: 11574968Abstract: Provided is a display panel having an optical module arrangement region, a transition region and a conventional region. The display panel includes: first pixels located in the optical module arrangement region, transition pixels located in the transition region, conventional pixels located in the conventional region, and first, second, and third pixel circuits. A first pixel density of the optical module arrangement region and a second pixel density of the transition region are both smaller than a third pixel density of the conventional region. The second pixel circuits are located in the transition region and electrically connected to the transition pixels. The third pixel circuits are located in the conventional region and electrically connected to the conventional pixels. The first pixel circuits are electrically connected to the first pixels. At least some of the first pixel circuits are located in the transition region.Type: GrantFiled: December 30, 2019Date of Patent: February 7, 2023Assignee: WuHan TianMa Micro-electronics CO., LTDInventor: Yanyun Fan
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Patent number: 11567725Abstract: Performing data processing on a mobile device, where the mobile device includes a first display, a second display and a second touch panel; the first display is configured to: display a home screen which comprises an icon of a first application; display iconic controls of a first application in response to detecting a first gesture on the icon of the first application; the second display is configured to: display a first GUI of the first application in response to detecting the first gesture; the second touch panel is configured to: detect a second gesture on the second touch panel; display a second GUI of the first application on the second display in response to detecting the second gesture, wherein maintaining display iconic controls of the first application on the first display when displaying the second GUI on the second display.Type: GrantFiled: December 22, 2020Date of Patent: January 31, 2023Assignee: HUAWEI TECHNOLOGIES CO., LTD.Inventors: Juan Lan, Shuangxiong Wen, Qiang Peng
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Patent number: 11568809Abstract: A pixel circuit includes first to fifth transistors, a capacitor, and a light emitting element. The first transistor is coupled between first and second power lines, and includes a gate electrode coupled to a first node and a back-gate electrode coupled to a second node. The second transistor is coupled between a data line and the first node, and includes a gate electrode coupled to a first scan line. The third transistor is coupled between a third power line and the first node, and includes a gate electrode coupled to a reference scan line. The fourth transistor is coupled between a second node and a fourth power line, and includes a gate electrode coupled to a second scan line. The fifth transistor is coupled between a first power line and the one electrode of the first transistor, and includes a gate electrode coupled to a light-emitting control line.Type: GrantFiled: December 30, 2020Date of Patent: January 31, 2023Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Dong Hwi Kim, Na Young Kim, Chul Ho Kim, Wang Jo Lee, Jin Jeon
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Patent number: 11568825Abstract: Provided are a driving method for a display panel, display driving device and electronic apparatus. The display panel includes a shift register. A drive signal of the shift register includes a trigger signal and a clock signal. The driving method includes: a current FPS in a current display mode is acquired; a current trigger signal and a current clock signal of the shift register is determined according to the current FPS; the shift register is provided with the current trigger signal and the current clock signal. A refresh frequency of the current trigger signal is the same as the current FPS. The current clock signal is the same as a reference clock signal in a reference display mode at least within an effective action duration of the current trigger signal. The current FPS is less than or equal to the reference FPS in the reference display mode.Type: GrantFiled: December 30, 2019Date of Patent: January 31, 2023Assignee: WUHAN TIANMA MICRO-ELECTRONICS CO., LTD.Inventors: Mengmeng Zhang, Xingyao Zhou, Yue Li
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Patent number: 11561573Abstract: A display device includes a display panel to display an image; and a sound generator disposed on a surface of the display panel to vibrate the display panel, wherein distances between each of a plurality of side surfaces of the sound generator and each of a plurality of side surfaces of the display panel respectively corresponding to the each of the plurality of side surfaces of the sound generator are substantially equal.Type: GrantFiled: September 16, 2020Date of Patent: January 24, 2023Assignee: Samsung Display Co., Ltd.Inventors: Sang Hui Park, Jin Wook Lee
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Patent number: 11551601Abstract: A display device includes: a gray converter which adds compensation grays to input grays to provide output grays; a data driver which provides data voltages corresponding to the output grays; and a display panel which includes pixels which receives the data voltages, where the gray converter includes: a voltage domain converter which converts the input grays into conversion grays; and a compensation gray calculator which calculates the compensation grays based on the conversion grays.Type: GrantFiled: February 3, 2021Date of Patent: January 10, 2023Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Ik Hyun Ahn, Sun Koo Kang, Cheol Min Kim, Ji Ye Moon, Ju Gon Seok, Hyeon Uk Won
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Patent number: 11545097Abstract: An overdrive system includes a compressor that compresses an input signal to result in a compressed signal; a weighting device that generates a weighted sum of a current compressed signal and a current input signal, thereby resulting in a weighted current signal; and an overdriver that performs an overdrive operation according to a previous compressed signal and the weighted current signal.Type: GrantFiled: December 28, 2021Date of Patent: January 3, 2023Assignee: Himax Technologies LimitedInventor: Tung-Ying Wu
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Patent number: 11543910Abstract: A display device includes: a display panel; a touch unit that overlaps the display panel; a window that overlaps the display panel and the touch unit; an optical adhesive layer disposed between the touch unit and the window; and a blocking layer disposed between the touch unit and the window and next to the optical adhesive layer. The blocking layer has a thickness that increases with increasing distance from the optical adhesive layer.Type: GrantFiled: September 29, 2020Date of Patent: January 3, 2023Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: In-Su Baek, Gyun Soo Kim, Min Ki Kim, Ah-Ram Lee
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Patent number: 11513758Abstract: A display device, includes: a display panel including a pixel array layer, a panel lower member disposed under the display panel, a first magnet disposed under the panel lower member and having a first area, a vibration generator coupled to one surface of the first magnet and having a second area larger than the first area; and a second magnet overlapping the first magnet in a thickness direction and spaced apart from the first magnet in the thickness direction.Type: GrantFiled: June 1, 2020Date of Patent: November 29, 2022Assignee: Samsung Display Co., Ltd.Inventors: Byeong Hee Won, Eun Kyung Yeon, Jae Been Lee
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Patent number: 11475831Abstract: A display panel, a method of driving a display panel, and a display device are provided. The display panel includes a plurality of sub-pixel units arranged in an array, a plurality of compensation driving circuits and a plurality of light emitting control lines; sub-pixel units in each row are divided into a plurality of compensation light emitting groups, the plurality of compensation light emitting groups include a plurality of first compensation light emitting groups, the first compensation light emitting groups each include N sub-pixel units that are adjacent, and light emitting circuits of the N sub-pixel units that are adjacent are connected to one same compensation driving circuit; the light emitting circuits of the N sub-pixel units that are adjacent of each of the first compensation light emitting groups are respectively connected to N light emitting control lines that are different.Type: GrantFiled: November 1, 2018Date of Patent: October 18, 2022Assignee: Beijing BOE Technology Development Co., Ltd.Inventors: Minghua Xuan, Lei Wang, Li Xiao, Xiaochuan Chen