Patents Examined by Michael J Jansen, II
-
Patent number: 11275440Abstract: The electronic apparatus is provided with: a visual sense display unit which displays an operation screen; a touch coordinate detection unit which detects an operation content done on displayed objects; and a tactual sense presenting unit which presents a tactual sense. The electronic apparatus includes: a tactual sense presentation control module which presents a tactual sense corresponding to the displayed objects on the operation screen via the tactual sense presenting unit; an operation content acquiring module which detects whether or not a temporal change in the touch position detected on the displayed object by the touch coordinate detection unit is equal to or less than a preset threshold value and that state continues for a preset time or longer; and a sense stimulus information output control module which outputs to outside sense stimulus information corresponding to the displayed object when that state continues for the prescribed time or longer.Type: GrantFiled: November 5, 2015Date of Patent: March 15, 2022Assignee: TIANMA MICROELECTRONICS CO., LTD.Inventors: Hiroshi Haga, Yuji Yamaguchi
-
Patent number: 11263977Abstract: Disclosed is a display device including: a display panel; a timing controller generating image data corresponding to an input image, and generating and outputting a first start signal, an on clock, and an off clock; a level shifter generating a second start signal in synchronization with the first start signal, generating gate clocks that swing to a predetermined voltage and have multiple phases, by using the on clock and the off clock, and outputting the generated gate clocks; a shift register including multiple stages connected to gate lines of the display panel, respectively, and outputting a scan signal sequentially to the gate lines by using the second start signal and the gate clocks; and a data driving circuit supplying a data voltage corresponding to the image data to data lines of the display panel in synchronization with the scan signal.Type: GrantFiled: December 3, 2020Date of Patent: March 1, 2022Assignee: LG Display Co., Ltd.Inventors: Dongju Kim, Minki Kim, Inho Yeo, Juno Hur
-
Patent number: 11257415Abstract: A display device includes a gray scale converter to receive input gray scale values, calculate an output load value that is smaller than an input load value when the input load value calculated from the input gray scale values is larger than a start current limit value, and convert the input gray scale values into converted gray scale values to correspond to the output load value, and a data driver to provide data voltages based on the converted gray scale values, wherein, when the input load value is between the start current limit value and a first current limit value, there is a first increase rate of the output load value for the input load value, and wherein, when the input load value is between the first current limit value and a maximum value of the input load value, there is a second increase rate of the output load value.Type: GrantFiled: September 28, 2020Date of Patent: February 22, 2022Assignee: Samsung Display Co., Ltd.Inventors: Si Beak Pyo, Seung Kyu Lee
-
Patent number: 11250782Abstract: A pixel circuit, a pixel driving method, and a display device are provided. The pixel circuit includes a light emitting element, a first voltage control circuit, a second voltage control circuit, a driving circuit, a first energy storage circuit, a data writing circuit, and a reset circuit. The first voltage control circuit includes a first control transistor, the driving circuit includes a driving transistor, and a difference between a threshold voltage of the first control transistor and a threshold voltage of the driving transistor is within a first range. The first voltage control circuit controls a potential of a first control node under control of a reset control signal; and the second voltage control circuit controls a potential of a second control node under control of the potential of the first control node.Type: GrantFiled: March 26, 2021Date of Patent: February 15, 2022Assignee: BOE TECHNOLOGY GROUP CO., LTD.Inventors: Weixing Liu, Zhiqiang Xu, Tieshi Wang, Wei Qin, Wanpeng Teng
-
Patent number: 11244594Abstract: The present application discloses a gate driver control circuit including an encoder configured to encode instruction information to obtain a coded instruction and to transmit the coded instruction. The gate driver control circuit further includes a decoder coupled to the encoder and configured to decode the coded instruction to obtain the instruction information. Additionally, the gate driver circuit includes at least one multiplexer coupled to the decoder. Each multiplexer is configured to receive a first set of multiple timing-control signals and the instruction information, to adjust the first set of multiple timing-control signals to a second set of multiple timing-control signals based on the instruction information, and to output the second set of multiple timing-control signals. The gate driver control circuit further includes at least one gate-array sub-circuit.Type: GrantFiled: September 21, 2018Date of Patent: February 8, 2022Assignees: BEIJING BOE DISPLAY TECHNOLOGY CO., LTD., BOE Technology Group Co., Ltd.Inventors: Hsinchung Lo, Ming Chen, Jieqiong Wang
-
Patent number: 11238816Abstract: A method of driving a pixel arrangement structure having first subpixels, second subpixels and third subpixels is provided. The method of driving a pixel arrangement structure includes deriving an first actual data signal of a subpixel of the plurality of first subpixels in an i-th column and in a j-th row based on theoretical data signals; deriving a second actual data signal of a subpixel of the plurality of third subpixels in the i-th column and in the j-th row based on theoretical data signals; deriving a third actual data signal of a subpixel of the plurality of second subpixels in an (i+1)-th column and in the j-th row based on theoretical data signals; and deriving a fourth actual data signal of a subpixel of the plurality of third subpixels in the i-th column and in the (j?1)-th row based on theoretical data signals.Type: GrantFiled: July 25, 2019Date of Patent: February 1, 2022Assignee: BOE Technology Group Co., Ltd.Inventors: Lujiang Huangfu, Zhenzhen Li, Wenjing Tan
-
Patent number: 11238765Abstract: A display device includes a substrate, a plurality of pixel columns, and a lighting test circuit unit. The lighting test circuit unit is disposed in a non-display area on the substrate, includes a plurality of lighting test transistors, and provides a lighting test voltage to the pixel columns. Each of the lighting test transistors includes an active pattern including a source area, a drain area, and a channel area, a gate electrode disposed in the channel area, an interlayer insulating layer including a first contact hole spaced apart from a first side of the gate electrode by about 7 um or more, and a source electrode contacting the source area of the active pattern through the first contact hole.Type: GrantFiled: March 16, 2021Date of Patent: February 1, 2022Inventors: Youngok Park, Uikang Kim, Junggeun Lee
-
Patent number: 11232764Abstract: A first latch retrieves a pixel data piece for each one horizontal scanning period of a video data signal and holds the pixel data piece as a first pixel data piece. A second latch retrieves the first pixel data piece from the first latch at a timing when the retrieval by the first latch is completed and holds the first pixel data piece as a second pixel data piece. An interpolation data generating unit obtains the first pixel data piece and the second pixel data piece and generates an interpolation data piece. A third latch alternately performs a retrieval of the second pixel data piece and a retrieval of the interpolation data piece, and sequentially outputs the retrieved data piece as a third pixel data piece. A gradation voltage output unit outputs the gradation voltage signal based on the third pixel data piece.Type: GrantFiled: October 6, 2020Date of Patent: January 25, 2022Assignee: LAPIS SEMICONDUCTOR CO., LTD.Inventor: Hideki Masai
-
Patent number: 11232729Abstract: A multiview display and method employ light valves configured to be driven according to a polarity inversion protocol along with multibeam emitters arranged in offset rows. The multiview display includes an array of the multiview pixels comprising the light valves and a multibeam backlight having a plurality of the multibeam emitters arranged in the offset rows. A method of multiview display operation includes emitting directional light beams using an array of multibeam elements in offset rows and modulating the directional light beams using an array of light valves to display an image. Sets of light valves of the light valve array correspond to multiview pixels of the multiview display and the light valve array is driven according to a polarity inversion protocol. In both the multiview display and the method, adjacent offset rows are offset by a distance between repeating polarities of the plurality inversion protocol in a row direction.Type: GrantFiled: March 18, 2021Date of Patent: January 25, 2022Assignee: LEIA INC.Inventor: David A. Fattal
-
Patent number: 11231806Abstract: An electronic device including an electronic pen and a method of controlling a communication connection with the electronic pen is provided. The electronic device include a housing, a touch-screen display, a first wireless communication circuit, an extended recess disposed inside the housing, a first wireless charging circuit; an electronic pen including a second wireless communication circuit and a second wireless charging circuit electrically coupled to the first wireless charging circuit, a processor, and a memory. The memory stores instructions causing the processor to detect whether the electronic pen is inserted into the recess, charge the electronic pen through the first wireless charging circuit based on the detection, receive inherent information of the electronic pen through the first wireless communication circuit during or after the charging, and maintain or re-establish a communication connection with the electronic pen based on at least a portion of the received inherent information.Type: GrantFiled: August 5, 2019Date of Patent: January 25, 2022Assignee: Samsung Electronics Co., Ltd.Inventors: Jongmu Choi, Byunghoon Kang, Banghyun Kwon, Hyunwoong Kwon, Chunho Park, Namyong Kang, Doosuk Kang, Bokun Choi
-
Patent number: 11227559Abstract: A display panel, a display device and a driving method are provided. In the display panel, subpixels input with a first voltage data signal and subpixels input with a second voltage data signal are alternately arranged, and among the subpixels with a same color in a same row, the number of the subpixels input with the first voltage data signal with a positive polarity is equal to the number of the subpixels input with the first voltage data signal with a negative polarity; two adjacent pixel groups in a same column adopt contrary polarity driving manners.Type: GrantFiled: January 15, 2018Date of Patent: January 18, 2022Assignee: HKC CORPORATION LIMITEDInventor: Huai Liang He
-
Patent number: 11221703Abstract: An apparatus (22) for processing signals from a touch panel (10) is described. The touch panel (10) includes a layer of piezoelectric material (16) disposed between a plurality of sensing electrodes (14, 20) and at least one common electrode (15). The apparatus (22) includes a first circuit (23) for connection to the plurality of sensing electrodes (14, 20). The first circuit (23) is configured to generate one or more first pressure signals (29). Each first pressure signal (29) corresponds to one or more sensing electrodes (14, 20) and is indicative of a pressure acting on the touch panel (10) proximate to the corresponding one or more sensing electrodes (14, 20). The apparatus also includes a second circuit (24) for connection to the at least one common electrode (15). The second circuit (24) is configured to generate a second pressure signal (30) indicative of a total pressure applied to the touch panel (10).Type: GrantFiled: June 6, 2019Date of Patent: January 11, 2022Assignee: Cambridge Touch Technologies Ltd.Inventors: Paul Routley, Babak Bastani, Riccardo Micci, Arokia Nathan, Michael Astley, Xiang Cheng, Jiahao Li
-
Patent number: 11205372Abstract: A source driving circuit includes a buffer amplifier configured to generate a driving signal from an original driving signal. The buffer amplifier includes a first amplifier and a second amplifier. A high-level terminal of the first amplifier is coupled to the first power signal terminal, a low-level terminal is coupled to the second power signal terminal, and an output terminal is configured to output a positive polarity driving signal. A high-level terminal of the second amplifier is coupled to the third power signal terminal, a low-level terminal is coupled to the fourth power signal terminal, and an output terminal is configured to output a negative polarity driving signal. The voltage of the second power signal terminal is less than the voltage of the third power signal terminal.Type: GrantFiled: September 23, 2019Date of Patent: December 21, 2021Assignees: Beijing BOE Display Technology Co., Ltd., BOE TECHNOLOGY GROUP CO., LTD.Inventors: Yan Yang, Chinghua Hung, Rui Liu, Wei Sun, Ming Chen, Qibing Gu, Xiangyi Chen
-
Patent number: 11205368Abstract: A display device and a method of driving the same are described. The display device includes: an over driver to overdrive current frame data included in input image data to output overdriving frame data; a data driver to generate a data signal for the current frame data based on the overdriving frame data; and a display panel including a plurality of pixels to receive the data signal, the over driver may calculate a temporal change rate or a spatial change rate of the input image data, and output the overdriving frame data utilizing a reference formula having a first main parameter determined according to the calculated result. Therefore, overdriving may be performed dynamically according to the spatial change rate or the temporal change rate of the input image data.Type: GrantFiled: August 31, 2020Date of Patent: December 21, 2021Assignee: Samsung Display Co., Ltd.Inventors: Jong Man Kim, Sang Su Han, Da Eun Kang, Jae Woo Ryu
-
Patent number: 11195463Abstract: A pixel driving circuit includes a current control circuit and a time control circuit, the current control circuit controls to generate a driving current, and outputs the driving current through a driving current output terminal, the time control circuit includes a first data writing-in circuit and a driving time control circuit. The first data writing-in circuit writes a first data voltage provided by a first data line to the driving time control circuit under the control of a first gate driving signal provided by a first gate line. The driving time control circuit is connected to a reference voltage terminal, the current control circuit, the first data writing-in circuit, and a light emitting element, and controls a light emitting time period of the light emitting element based on the reference voltage and the first data voltage, the reference voltage terminal is used to provide the reference voltage.Type: GrantFiled: April 3, 2020Date of Patent: December 7, 2021Assignee: BOE TECHNOLOGY GROUP CO., LTD.Inventors: Han Yue, Minghua Xuan, Can Zhang, Can Wang, Ning Cong, Xiaochuan Chen
-
Patent number: 11175759Abstract: Disclosed is a display apparatus with an integrated antenna, in which an antenna and a touch screen are embedded, and the display apparatus comprises a display panel including a touch screen and an antenna electrode, wherein the display panel is divided into a display area and a non-display area surrounding the display area and includes a pixel array part including pixel driving circuits provided in the display area and an electrode array part provided on the pixel array part and including the touch screen and the antenna electrode, the display area includes a pixel including the pixel driving circuit, and a portion of the touch screen is open.Type: GrantFiled: December 13, 2019Date of Patent: November 16, 2021Assignee: LG Display Co., Ltd.Inventors: Byeong-Seong So, Youngsung Cho
-
Patent number: 11163391Abstract: Provided is a display panel including: a plurality of pixel electrodes divided into a plurality of groups; and a plurality of common electrodes arranged at a ratio of one to a plurality of pixel electrodes included in one of the plurality of groups. Each of a plurality of sensor electrode lines overlaps with corresponding one of a plurality of data signal lines in plan view. The plurality of sensor electrode lines and each of the plurality of common electrodes overlap each other in plan view. The each of the plurality of common electrodes is electrically connected to the plurality of sensor electrode lines. At least one insulating film is formed between each of a region between the data signal lines and the sensor electrode lines, a region between the sensor electrode lines and the common electrodes, and a region between the common electrodes and the pixel electrodes.Type: GrantFiled: March 23, 2020Date of Patent: November 2, 2021Assignees: PANASONIC LIQUID CRYSTAL DISPLAY CO., LTD., PANASONIC CORPORATIONInventors: Toshiyuki Aoyama, Tetsuo Fukami, Daisuke Kajita, Kazushige Takagi
-
Patent number: 11157047Abstract: Embodiments of a multi-form factor Information Handling System (IHS) with touch continuity across displays are described. In an illustrative, non-limiting embodiment, an IHS may include a processor and a memory coupled to the processor, the memory having program instructions stored thereon that, upon execution by the processor, cause the IHS to: identify a posture of a first display relative to a second display; retrieve a touch continuity parameter corresponding to the posture; and enable touch continuity between the first and second displays using the touch continuity parameter.Type: GrantFiled: November 15, 2018Date of Patent: October 26, 2021Assignee: Dell Products, L.P.Inventors: Philip M. Seibert, Vivek Viswanathan Iyer
-
Patent number: 11158272Abstract: A display device includes a display panel including pixels disposed at rows and columns, first data lines respectively disposed at the columns, and second data lines respectively disposed at the columns, a first data driver connected to the first data lines, and a second data driver connected to the second data lines. A first portion of the pixels are connected to the first data lines, and a second portion of the pixels are connected to the second data lines. The first data driver provides first gray voltages corresponding to a first gamma curve to the first portion of the pixels through the first data lines, and the second data driver provides second gray voltages corresponding to a second gamma curve different from the first gamma curve to the second portion of the pixels through the second data lines.Type: GrantFiled: April 7, 2020Date of Patent: October 26, 2021Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Yeon-Sung Kim, Bongchun Park, Hyunseop Song
-
Patent number: 11157168Abstract: The present disclosure relates to techniques for a sensor network, machine-to-machine (M2M) communication, machine type communication (MTC), and Internet of things (IoT). This disclosure may be applied to intelligent services (for example, smart homes, smart buildings, smart cities, smart cars or connected cards, health care, digital education, retail business, security and safety related services, etc.), based on the above techniques.Type: GrantFiled: August 3, 2020Date of Patent: October 26, 2021Assignee: Samsung Electronics Co., Ltd.Inventors: Manjib Han, Jaehong Kim, Jin Ra, Hyejung Cho