Patents Examined by Ngan T Pham Lu
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Patent number: 10777149Abstract: The present disclosure provides a driving circuit and a liquid crystal display panel, including an input module, a first control module, a second control module, a third control module, an output module and a reset module, which can simplify structure of the driving circuit while ensuring the liquid crystal display panel works well.Type: GrantFiled: August 2, 2018Date of Patent: September 15, 2020Assignee: Wuhan China Star Optoelectronics Semiconductor Display Technology Co., Ltd.Inventors: Shingo Kawashima, Guang Li
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Patent number: 10768767Abstract: The present disclosure provides a touch detection chip and a touch screen detection method. The touch detection chip includes: a signal output unit configured to output a driving signal to a first channel of a touch screen; a first analog front end circuit, an inverting input end of which being connected to the first channel; a second analog front end circuit, an inverting input end of which being connected to a second channel of the touch screen; an impedance-adjustable circuit connected between a non-inverting input end of the first analog front end circuit and the signal output unit; a DC voltage unit connected to a non-inverting input end of the second analog front end circuit; and a processing unit separately connected to the signal output unit, the first analog front end circuit and the second analog front end circuit.Type: GrantFiled: May 23, 2019Date of Patent: September 8, 2020Assignee: Shenzhen Goodix Technology Co., LTD.Inventors: Guanliang Liao, Qiu Zhou, Wenhe Jin, Yufeng Liu
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Patent number: 10762818Abstract: A display device includes a display panel, a micro lens array, a driving system, a controller, and a signal processor. The controller is configured to set at least one preset path within one frame. The driving system is configured to drive, according to the preset path, the display panel and/or the micro lens array to move along respective preset path(s), and to control the display panel and/or the micro lens array that move along the preset path to stop moving at the stopping positions. The signal processor is configured to, in response to stopping of the display panel and/or the micro lens array at the corresponding stopping positions, provide display sub-images to the display panel according to the at least one preset path and one frame of display image.Type: GrantFiled: October 22, 2018Date of Patent: September 1, 2020Assignee: BOE TECHNOLOGY GROUP CO., LTD.Inventor: Jiayao Liu
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Patent number: 10754479Abstract: A data transmission method applied to a touch panel includes: determining an overlapped quantity of at least one first touch electrode pad and at least one second touch electrode pad that are electrically coupled to each other; determining a transmission bit number according to the overlapped quantity; and making the at least one first touch electrode pad transmit at least one data signal to the at least one second touch electrode pad according to the transmission bit number and a transmission frequency, where the at least one first touch electrode pad is configured on a first electronic apparatus, and the at least one second touch electrode pad is configured on a second electronic apparatus.Type: GrantFiled: January 3, 2018Date of Patent: August 25, 2020Assignee: AU OPTRONICS CORPORATIONInventors: Shan-Kang Chen, Gui-Wen Liu
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Patent number: 10739885Abstract: The present disclosure provides a flexible touch panel and a display device. The flexible touch panel includes a flexible substrate baseplate and a flexible touch electrode pattern disposed on the flexible substrate baseplate, and a bendable area arranged on the flexible touch panel where the bendable area has at least one relatively fixed position, and at least part of the flexible touch electrode pattern is in the bendable area and has a cutoff region.Type: GrantFiled: August 4, 2017Date of Patent: August 11, 2020Assignee: BOE TECHNOLOGY GROUP CO., LTD.Inventors: Tian Dong, Shiming Shi
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Patent number: 10699677Abstract: A display controller and method for performing the same operations are described. In on embodiment, the display controller comprises a spread spectrum clock (SSC) modulator having a first input coupled to receive a non-SSC modulated clock and operable to generate a SSC modulated clock in response to the non-SSC modulated clock, a video data transfer portion coupled to receive the SSC modulated clock and operable to output data for display in response to the SSC modulated clock, and a second portion coupled to receive the non-SSC modulated clock.Type: GrantFiled: September 27, 2016Date of Patent: June 30, 2020Assignee: INTEL CORPORATIONInventors: Nobuyuki Suzuki, Robert J. Johnston
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Patent number: 10672609Abstract: A display device which can display a clear image and can display an image with low power consumption is provided. The display device includes an arithmetic circuit having a function of generating first to third display data, a first display portion, and a second display portion. The arithmetic circuit has a function of detecting a color region and a gray-scale region of the generated first display data and generating the second display data corresponding to an image to be displayed on the first display portion and the third display data corresponding to an image to be displayed on the second display portion, on the basis of the detection results.Type: GrantFiled: June 6, 2017Date of Patent: June 2, 2020Assignee: Semiconductor Energy Laboratory Co., Ltd.Inventors: Yuji Iwaki, Daisuke Kubota, Kentaro Hayashi
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Patent number: 10664061Abstract: This document describes techniques using, and devices embodying, wide-field radar-based gesture recognition. These techniques and devices can enable a great breadth of gestures and uses for those gestures, such as gestures to use, control, and interact with computing and non-computing devices, from software applications to refrigerators.Type: GrantFiled: October 5, 2018Date of Patent: May 26, 2020Assignee: Google LLCInventor: Ivan Poupyrev
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Patent number: 10665161Abstract: A transistor circuit outputs a drive current in accordance with a data signal. An OLED that is connected to the transistor circuit emits light with luminance corresponding to the drive current. A discharge transistor, when the OLED does not emit the light, is turned on to connect a discharge feeder line to a node at which the transistor circuit is connected to the OLED. An absolute value of a threshold voltage of the discharge transistor is lower than an absolute value of a threshold voltage of a drive transistor in the transistor circuit. When the data signal indicates zero, the discharge transistor can cause a flow of the drive current from the transistor circuit to bypass the OLED.Type: GrantFiled: March 1, 2018Date of Patent: May 26, 2020Assignee: SEIKO EPSON CORPORATIONInventor: Hitoshi Ota
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Patent number: 10615786Abstract: A comparator circuit according to the present disclosure includes a first switch section that selectively takes in a signal voltage, a second switch section that selectively takes in a control waveform, a differential amplifier including a non-inverted input end connected to each of output ends of the first switch section and the second switch section, a capacity section including one end connected to an inverted input end of the differential amplifier and the other end supplied with a reference voltage, and a third switch section that selectively short-circuits the inverted input end and an output end of the differential amplifier.Type: GrantFiled: December 21, 2018Date of Patent: April 7, 2020Assignee: SONY SEMICONDUCTOR SOLUTIONS CORPORATIONInventors: Takaaki Sugiyama, Masaki Yoshioka, Ken Kikuchi, Masaru Chibashi, Ken Kitamura
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Patent number: 10613654Abstract: The present invention discloses an input method for a computer system. The computer system includes an operating system, a screen and a touch control module. The touch control module includes a nontransparent touch pad. The method includes the following steps: generating, by the touch control module, a plurality of first coordinates corresponding to movement of a stylus; sending, by the touch control module, the plurality of first coordinates to the operating system according to a stylus packet format utilized by the operating system; converting, by the operating system, the plurality of first coordinates to a plurality of second coordinates corresponding to the screen; and displaying a track on the screen according to the plurality of second coordinates.Type: GrantFiled: July 2, 2018Date of Patent: April 7, 2020Assignee: ELAN MICROELECTRONICS CORPORATIONInventors: Wei-Liang Chin, Chia-Chun Liu
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Patent number: 10606380Abstract: A display control apparatus includes a recognizing unit configured to recognize a position of an operator and a position of a hand or the like of the operator, a calculating unit configured to regard a position of the operator in a screen coordinate system set on a screen as an origin of an operator coordinate system and multiply a position of the hand or the like with respect to the origin of the operator coordinate system by a predetermined function, thereby calculating a position of display information corresponding to the hand or the like in the screen coordinate system, and a control unit configured to cause the display information to be displayed at the position in the screen coordinate system calculated by the calculating unit.Type: GrantFiled: October 16, 2017Date of Patent: March 31, 2020Assignee: Sony CorporationInventors: Osamu Shigeta, Takuro Noda
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Patent number: 10593737Abstract: A display device includes a flexible display module and provides a display area including a fingerprint recognition area, and a non-display area outside the display area. The flexible display module includes a display panel including a light-emitting element, a touch sensing unit disposed on the display panel, and a fingerprint recognition unit overlapping with the fingerprint recognition area. The touch sensing unit is configured to sense pressure applied to the flexible display module in an in-folding mode in which the flexible display module is folded such that a portion of the display area faces another portion of the display area.Type: GrantFiled: October 2, 2017Date of Patent: March 17, 2020Assignee: Samsung Display Co., Ltd.Inventor: Seung-Iyong Bok
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Patent number: 10586950Abstract: A display device includes: a first pixel group including first, second and third pixels arranged adjacent to each other and positioned successively along a first direction; and a second pixel group including fourth, fifth and sixth pixels arranged adjacent to the first pixel group and positioned successively along the first direction. Multiple ones of each of the first pixel group and the second pixel group are arranged in an alternating manner along both the first direction and a second direction intersecting the first direction. The second pixel and the fifth pixel face each other with respect to a first gate line while being connected to the first gate line, the first pixel and the fourth pixel face each other with respect to a second gate line while being connected to the second gate line.Type: GrantFiled: June 6, 2017Date of Patent: March 10, 2020Assignee: Samsung Display Co., Ltd.Inventors: Sungman Kim, Wonho Kim, Yeonmun Jeon
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Patent number: 10579179Abstract: In a display panel, a first conducting layer is disposed on a substrate and has a touch sensing line. A first insulation layer is disposed on a first conducting layer with a first opening exposing the touch sensing line as a first connection part. A second insulation layer is disposed on the first insulation layer with a second opening. A first electrode is disposed on the second insulation layer with a third opening that is overlapped with the second opening. A third insulation layer is disposed on the first electrode with a fourth opening exposing the first electrode as a second connection part. The fourth opening overlaps with the third opening. A second electrode is disposed on the third insulation layer and is connected to the first connection part and the second connection part through the first to fourth openings.Type: GrantFiled: October 17, 2018Date of Patent: March 3, 2020Assignee: HannStar Display CorporationInventors: Cheng-Yen Yeh, Kuo-Chang Su
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Patent number: 10564493Abstract: A discharge circuit, an array substrate, a liquid crystal display panel and a display device are provided. The discharge circuit, including a discharge transistor, a signal control end and a low voltage power source end, a gate electrode of the discharge transistor is connected to the signal control end, a first electrode of the discharge transistor is electrically connected to a signal line, and a second electrode of the discharge transistor is electrically connected to the low voltage power source end; the discharge transistor is configured to release charges on the signal line to the low voltage power source end under an action of a control signal output by the signal control end.Type: GrantFiled: October 21, 2016Date of Patent: February 18, 2020Assignee: BOE TECHNOLOGY GROUP CO., LTD.Inventors: Xueguang Hao, Yongda Ma, Xinyin Wu, Yong Qiao
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Patent number: 10559270Abstract: An array substrate includes three first conductive lines, three second conductive lines, and four switches. The three first conductive lines are sequentially and consecutively arranged along a direction, and the three second conductive lines are sequentially and consecutively arranged along another direction and intersect the first conductive lines. The four switches are respectively connected to the corresponding first conductive lines and the corresponding second conductive lines. Two of the switches are connected to the second one of the first conductive lines and are substantially located between two adjacent second conductive lines, and the other two of the switches are not connected to the second one of the first conductive lines and are substantially located between the other two adjacent second conductive lines.Type: GrantFiled: December 1, 2017Date of Patent: February 11, 2020Assignee: AU OPTRONICS CORPORATIONInventors: Yu-Min Chi, Sung-Yu Su
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Patent number: 10559272Abstract: A display device and a method of driving the same are disclosed. The display device includes a display panel configured to display an image, and a parasitic capacitor compensation circuit including a compensation capacitor connected to a sensing line of the display panel and a control switch configured to perform a switching operation so that the compensation capacitor has a predetermined capacitance. The control switch is turned on in an image display operation of the display panel and is turned off in a sensing operation of the display panel.Type: GrantFiled: November 8, 2017Date of Patent: February 11, 2020Assignee: LG Display Co., Ltd.Inventors: Chulwon Lee, Juyoung Noh
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Patent number: 10551982Abstract: An instruction reception apparatus includes: a charge accumulation unit that includes a first capacitor in which a pair of electrodes are disposed to face each other under an instruction reception surface, a resistor that is disposed to correspond to the pair of electrodes under the instruction reception surface and has a resistance value between the pair of electrodes that is changed as the instruction reception surface is pressed, and a second capacitor that is connected to the first capacitor; a measurement unit that measures a physical quantity corresponding to the amount of electric charges of the second capacitor; and an output unit that selectively outputs a contact state signal indicating a contact state, a non-contact state signal indicating a non-contact state, and a pressing state signal indicating a pressing state where the indicator presses against the instruction reception surface, in accordance with the physical quantity measured.Type: GrantFiled: April 17, 2018Date of Patent: February 4, 2020Assignee: FUJIFILM CORPORATIONInventor: Kazunori Tamura
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Patent number: 10546546Abstract: A pixel driving circuit for a display apparatus. The pixel driving circuit may include a first gate line, a second gate line, a data line, a first thin-film transistor, and a second thin-film transistor. A gate of the first thin-film transistor may be coupled to the first gate line. A source of the first thin-film transistor may be coupled to the data line. A drain of the first thin-film transistor may be coupled to a source of the second thin-film transistor. A gate of the second thin-film transistor may be coupled to the second gate line. A drain of the second thin-film transistor may be coupled to a pixel electrode.Type: GrantFiled: May 17, 2017Date of Patent: January 28, 2020Assignee: BOE TECHNOLOGY GROUP CO., LTD.Inventors: Seungwoo Han, Guangliang Shang