Patents Examined by Yuzhen Shen
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Patent number: 11004396Abstract: A timing controller includes: a data transmitter which transmits image data and a frame control signal to a data driver; a scan controller which transmits a scan start signal and a scan clock signal through scan control lines; and a memory interface which receives mode data from a control memory through a memory transmission line during a mode period, where the mode period is a period in which the scan controller does not transmit the scan start signal and the scan clock signal to the scan control lines.Type: GrantFiled: March 28, 2019Date of Patent: May 11, 2021Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Ki Hyun Pyun, Min Young Park
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Patent number: 10997910Abstract: A display device includes: a display panel including a first pixel, a second pixel adjacent to one side of the first pixel, and a third pixel adjacent to the other side of the first pixel; a first scan driver supplying a first signal to the first to third pixels through a first scan line; a second scan driver supplying a second scan signal to the second and third pixels through a second scan line when a first time elapses after the supply of the first scan signal is started; a data driver supplying a data voltage to a plurality of output lines; and a data divider selectively supplying the data voltage to data lines respectively coupled to the first to third pixels. Each of the second and third pixels includes a switching transistor controlled by the second scan signal.Type: GrantFiled: August 2, 2018Date of Patent: May 4, 2021Inventors: Young In Hwang, Elly Gil, Jin A Lee, Joo Hyeon Jo, Seong Baik Chu
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Patent number: 10984729Abstract: A gray-scale voltage generating circuit includes: a ladder resistor circuit including a plurality of resistors connected in series to one another, and configured to output a plurality of gray-scale voltages with different voltage values from ends of the respective resistors; and a constant current source configured to be connected in series to the ladder resistor circuit, in which the constant current source includes a current source transistor configured to be connected in series to the ladder resistor circuit, and a voltage setting section configured to select one voltage from the plurality of voltages and set the selected voltage as a voltage determining a current that is to flow through the current source transistor.Type: GrantFiled: February 27, 2018Date of Patent: April 20, 2021Assignee: SONY CORPORATIONInventors: Kei Kimura, Yusuke Onoyama, Junichi Yamashita
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Patent number: 10976589Abstract: A display panel according to an embodiment has a first region and a second region surrounded by the first region. The display panel may include a top substrate, a bottom substrate opposite to the top substrate, and a sealant and a display medium layer disposed between the top substrate and the bottom substrate. The top substrate may include a blanket anti-reflective layer disposed on an upper surface of the top substrate, a patterned light shielding layer disposed in the first region of the display panel, and a packaging structure packing the patterned light shielding layer. The patterned light shielding layer may be in direct contact with an upper surface of the blanket anti-reflective layer.Type: GrantFiled: April 17, 2018Date of Patent: April 13, 2021Assignee: Himax Display, Inc.Inventor: Po-Hung Pan
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Patent number: 10957264Abstract: A display apparatus with improved aperture ratio and light transmittance is presented. The apparatus has a pixel group that includes a first pixel including first and second sub-regions, a second pixel including third and fourth sub-regions, and a third pixel including fifth and sixth sub-regions. The first, second, and third pixels are sequentially arranged in a first direction and at least two sub-regions of the first, third, and fifth sub-regions have different widths in the first direction. The second, fourth, and sixth sub-regions are sequentially arranged in the first direction, and at least one sub-region of the second, fourth, and sixth sub-regions expands toward an adjacent sub-region in the first direction and has a width greater than a width of the other sub-regions of the second, fourth, and sixth sub-regions in the same pixel group.Type: GrantFiled: September 14, 2018Date of Patent: March 23, 2021Inventors: Sunhwa Lee, Kwang-chul Jung, Sang-Uk Lim
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Patent number: 10943080Abstract: In accordance with a first aspect of the present disclosure, a fingerprint sensing device is provided, comprising a plurality of sensor cells, wherein each sensor cell comprises: at least one sense plate and a discharge electrode insulated from the sense plate; a first discharge path for discharging a first static electricity charge to a first electric potential terminal; a second discharge path for discharging a second static electricity charge to a second electric potential terminal; a charge reservoir coupled between the first electric potential terminal and the second electric potential terminal. In accordance with a second aspect of the present disclosure, a corresponding method of producing a fingerprint sensing device is conceived.Type: GrantFiled: January 11, 2019Date of Patent: March 9, 2021Assignee: NXP B.V.Inventors: Thomas Suwald, Milind Phadtare, Dillip Kumar Routray
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Patent number: 10943534Abstract: An OLED display is disclosed. In one aspect, the display includes a scan line transmitting a scan signal, a data line crossing the scan line and transmitting a data voltage, and a driving voltage line crossing the scan line and configured to transmit a driving voltage. The display also includes a switching transistor electrically connected to the scan line and the data line. The display further includes a driving transistor and a compensation transistor. A driving gate electrode and a driving drain electrode are respectively connected to a compensation source electrode and a compensation drain electrode. The display also includes a light blocking layer at least partially covering the compensation transistor and an OLED electrically connected to the driving transistor.Type: GrantFiled: January 31, 2018Date of Patent: March 9, 2021Assignee: SAMSUNG DISPLAY CO., LTD.Inventor: Jin Jeon
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Patent number: 10936121Abstract: A method and device for controlling in-plane interference of a liquid crystal touch screen and a display system are provided. By detecting a current image of a display panel of the liquid crystal touch screen in real time, and when the image that causes the in-plane interference of the liquid crystal touch screen is detected, inverting original polarities of data voltages input to at least a portion of data lines of the display panel, so that change directions of coupled voltages of adjacent two of the data lines with respect to a common electrode are opposite to each other, solving problems of in-plane interference for the liquid crystal touch screen.Type: GrantFiled: August 1, 2018Date of Patent: March 2, 2021Assignee: SHENZHEN CHINA STAR OPTOELECTRONICS TECHNOLOGY CO., LTD.Inventors: Lei Chen, Yuhua Chang, Ming-wei Chen, Huiyang Kang, Wendong Li
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Patent number: 10935824Abstract: A liquid crystal display device includes: a liquid crystal panel; light sources provided on a rear surface of the liquid crystal panel; a temperature sensor configured to detect an in-device temperature and provided on a rear surface side of the liquid crystal panel; and a control circuit configured to control lighting of the light sources by adjusting a duty ratio of a driving signal by pulse width modulation on the basis of the in-device temperature detected by the temperature sensor. When the in-device temperature is within a predetermined temperature range, the control circuit updates a current duty ratio of the driving signal in such a manner that the difference between the current duty ratio for each unit time and a target duty ratio preset for the in-device temperature is reduced in a stepwise manner.Type: GrantFiled: April 24, 2019Date of Patent: March 2, 2021Assignee: SHARP KABUSHIKI KAISHAInventor: Kazuhiko Yoda
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Patent number: 10936849Abstract: A fingerprint processing device includes a match processing unit configured to determine, based on a first degree, a plurality of feature points having a large value of the first degree among the feature points of a fingerprint specified in a fingerprint image of a matching source, the first degree representing a first distance to other feature points, as representative feature points used in match processing of the fingerprint.Type: GrantFiled: September 13, 2017Date of Patent: March 2, 2021Assignee: NEC CORPORATIONInventor: Akira Hirokawa
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Display device including timing controller and source driving circuit and method of driving the same
Patent number: 10930199Abstract: A display device includes a display panel including a plurality of pixels, a timing controller which receives an image signal and a control signal and outputs transmission data, and a plurality of source driving circuits, each providing a data signal to a corresponding pixel among the plurality of pixels in response to the transmission data. Each of the source driving circuits applies a state information signal corresponding to an operation state to the timing controller, and the timing controller determines the operation state of the source driving circuits based on the state information signal, compresses the image signal when a source driving circuit of the source driving circuits is in an abnormal state to generate the transmission data, and applies the transmission data to a source driving circuit of the source driving circuits in a normal state.Type: GrantFiled: April 17, 2019Date of Patent: February 23, 2021Assignee: SAMSUNG DISPLAY CO., LTD.Inventor: Junyong Ahn -
Patent number: 10929637Abstract: An electronic device includes: a transparent member comprising a transparent material; a display panel disposed under the transparent member; a shock absorption sheet disposed under the display panel, and having an opening formed in a region thereof; a biological sensor disposed to face the display panel, and disposed in at least a portion of the opening; a filler material filling at least some space in the opening formed between the biological sensor and the display panel; and a seal disposed between the biological sensor and the shock absorption member and configured to prevent the filler from being discharged outside the opening.Type: GrantFiled: February 13, 2019Date of Patent: February 23, 2021Assignee: Samsung Electronics Co., Ltd.Inventors: Suna Kim, Jeonghoo Kim, Kyunghoon Song
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Patent number: 10929638Abstract: The disclosure discloses a display panel, a method for driving the same, and a display device, where the display panel includes a plurality of detection circuits arranged in an array, each detection circuit includes a control component, and a plurality of photosensitive recognition components arranged in an array; the control component is configured to obtain electric signals provided by the plurality of photosensitive recognition components, to process and then output, in a process of recognizing a fingerprint, the electric signals provided by the plurality of photosensitive recognition components separately, and to superimpose, in a process of detecting a touch, the electric signals provided by the plurality of photosensitive recognition components, and to process and output an electric signal resulting from the superimposition.Type: GrantFiled: April 15, 2019Date of Patent: February 23, 2021Assignee: BOE Technology Group Co., Ltd.Inventors: Xueyou Cao, Haisheng Wang, Xiaoliang Ding, Lei Wang, Wei Liu, Yanling Han, Bo Chen, Pengpeng Wang, Ping Zhang, Chihjen Cheng, Likai Deng
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Patent number: 10916169Abstract: A pixel circuit includes a light emitting element, a first driver transistor, a second driver transistor, and a first compensation capacitor. A first terminal of the first driving transistor is configured to receive a power signal, and a second terminal of the first driving transistor is electrically coupled to the light emitting element. A first terminal of the second driving transistor receives the power signal, and a control terminal of the second driving transistor is electrically coupled to the light emitting element. The first compensation capacitance is electrically coupled to a control terminal of the first driving transistor and the second terminal of the second driving transistor, respectively.Type: GrantFiled: June 10, 2019Date of Patent: February 9, 2021Assignee: AU OPTRONICS CORPORATIONInventors: Chih-Lung Lin, Chin-Hsien Tseng, Po-Cheng Lai, Yu-Sheng Lin, Mao-Hsun Cheng
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Patent number: 10909917Abstract: An OLED display is disclosed. In one aspect, the display includes a scan line transmitting a scan signal, a data line crossing the scan line and transmitting a data voltage, and a driving voltage line crossing the scan line and configured to transmit a driving voltage. The display also includes a switching transistor electrically connected to the scan line and the data line. The display further includes a driving transistor and a compensation transistor. A driving gate electrode and a driving drain electrode are respectively connected to a compensation source electrode and a compensation drain electrode. The display also includes a light blocking layer at least partially covering the compensation transistor and an OLED electrically connected to the driving transistor.Type: GrantFiled: July 6, 2016Date of Patent: February 2, 2021Assignee: SAMSUNG DISPLAY CO., LTD.Inventor: Jin Jeon
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Patent number: 10910446Abstract: A display device is disclosed. In one aspect, the display device includes a substrate and a plurality of first pixels and a plurality of second pixels formed on the substrate. Each of the first pixels includes a first reflective layer and a first emission layer and is configured to reflect external light so as to display the outline of an icon. Each of the second pixels includes a second reflective layer, a second emission layer, and a color filter.Type: GrantFiled: April 6, 2016Date of Patent: February 2, 2021Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Young Nam Yun, Kyu Seok Kim
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Patent number: 10896312Abstract: A method for processing an image representing at least one finger supplied by an image sensor of the thin-film transistor type of a fingerprint-capture system is disclosed. The purpose of the method is to modify characteristics of the image so that they correspond to the characteristics of images acquired by a fingerprint-capture system using a CCD or CMOS sensor while preserving relevant information about the image.Type: GrantFiled: July 31, 2019Date of Patent: January 19, 2021Assignee: IDEMIA IDENTITY & SECURITY FRANCEInventor: Laurent Kazdaghli
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Patent number: 10884487Abstract: A computer system is provided that includes an input system and a processor that may be configured to control a virtual manipulator based on input data received from the input system. The processor is further configured to determine an initial state of a system that includes at least an initial state of the virtual manipulator and an initial state of a virtual object, detect at least one contact point between a portion of the virtual manipulator and the virtual object. The processor is further configured to calculate a subsequent state for the virtual object that minimizes a set of energies or residuals defined in terms of the one or more positional quantities determined for the initial state of the system and the one or more positional quantities determined for the subsequent state of the system using a position-based energy minimizing function.Type: GrantFiled: March 21, 2019Date of Patent: January 5, 2021Assignee: Microsoft Technology Licensing, LLCInventors: Daniel Stephen Wilde, Timothy James Hutton
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Patent number: 10878214Abstract: Provided is a complex biometric sensor. The complex biometric sensor includes a substrate including a light emitting region, a first light receiving region, and a second light receiving region, a light emitting part disposed adjacent to the substrate in the light emitting region, a color conversion layer disposed on the substrate in the light emitting region and vertically overlapping the light emitting part; a first light receiving layer disposed on the substrate in the first light receiving region, and a second light receiving layer disposed on the substrate in the second light receiving region. The light emitting part generates light of a first wavelength. The color conversion layer receives light of the first wavelength and emits the light of the first wavelength and light of the second wavelength. The first light receiving layer detects the light of the first wavelength. The second light receiving layer detects the light of the second wavelength.Type: GrantFiled: April 8, 2019Date of Patent: December 29, 2020Assignee: Electronics and Telecommunications Research InstituteInventors: Chul Woong Joo, Seung Youl Kang, Jaehyun Moon, Seongdeok Ahn, Jae-Eun Pi, Young Sam Park, Byoung-Hwa Kwon, Sung Haeng Cho, Jeong Ik Lee, Nam Sung Cho, Su Jae Lee
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Patent number: 10872470Abstract: In one aspect, a headset includes a housing, a processor coupled to the housing, a first at least partially transparent display coupled to the housing and accessible to the processor, and storage coupled to the housing and accessible to the processor. The storage includes instructions executable by the processor to determine that a user cannot view at least a portion of a second display and, based on the determination, present at least a first portion of content on the first display.Type: GrantFiled: April 5, 2018Date of Patent: December 22, 2020Assignee: Lenovo (Singapore) Pte. Ltd.Inventors: Russell Speight VanBlon, John Carl Mese, Nathan J. Peterson