Patents Examined by Andrew Sasinowski
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Patent number: 11482164Abstract: A display device includes a pixel unit including pixels, a compensator which generate compensation image data by scaling grayscale values of input image data based on temperature data corresponding to an ambient temperature of the pixel unit, a timing controller which generates image data based on the compensation image data, and a data driver which generates a data signal corresponding to the image data and supply the data signal to the pixels. The compensator scales the grayscale values of the input image data in a way such that the grayscale values of the input image data decrease when the ambient temperature is greater than a reference temperature. The compensator scales the grayscale values of the input image data in a way such that the grayscale values of the input image data increase when the ambient temperature is less than the reference temperature.Type: GrantFiled: August 27, 2021Date of Patent: October 25, 2022Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Eun Jin Choi, Won Jin Seo, Ki Hyun Pyun
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Patent number: 11468912Abstract: Various embodiments may provide a device for controlling an electromagnetic wave according to various embodiments. The device may include a medium. The device may further include an array of elements in contact with the medium and may be configured to receive the electromagnetic wave. Each element of the array of elements may include a phase change material configured to switch from, at least, a first state to a second state in response to an external input, thereby changing an optical property of the respective element to control the electromagnetic wave.Type: GrantFiled: January 26, 2017Date of Patent: October 11, 2022Assignee: Agency for Science, Technology and ResearchInventors: Arseniy Kuznetsov, Ramon Jose Paniagua Dominguez
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Patent number: 11460997Abstract: An information processing apparatus is provided which include a display control unit that causes a touch panel to display a slider to specify one of specifiable values by an operating body as a specified value and a start edge value and an end edge value stored in a storage unit and if the touch panel acquires position information indicating position on the slider, decides a value corresponding to the position information as the specified value and also decides an interval to decide a new specifiable range in accordance with a contact state quantity acquired by the contact state quantity acquisition unit, specifies the new specifiable range based on the interval using the specified value as a reference.Type: GrantFiled: November 1, 2021Date of Patent: October 4, 2022Assignee: DRNC Holdings, Inc.Inventors: Fuminori Homma, Kouichi Matsuda, Tatsushi Nashida
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Patent number: 11462146Abstract: A display device includes a display unit including a pixel which displays an image based on a first power voltage and a data signal, a gamma voltage generator which generates gamma voltages, and a data driver which generates the signal using the gamma voltages and provides the data signal to the pixel. The gamma voltage generator generates first and second reference voltages, generates first and second corrected reference voltages by correcting the first and second reference voltages using a target voltage and an external power voltage provided from the display unit in correspondence with the first power voltage, and generates the gamma voltages by dividing the first and second corrected reference voltages. The gamma voltage generator sets the target voltage based on at least one selected from the first reference voltage, the second reference voltage, and a ground voltage.Type: GrantFiled: November 5, 2021Date of Patent: October 4, 2022Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Se Byung Chae, Su Bin Kim, Jin Young Jeon
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Patent number: 11462154Abstract: A display system includes an LED array and a driving device. The driving device includes a current driver, a scan selector and a capacitor. The current driver is connected to drive lines of the LED array, and provides a plurality of driving current signals respectively to the drive lines. The scan selector is connected to scan lines of the LED array, and has a first terminal that is configured to receive an input voltage, and a second terminal. The scan selector outputs the input voltage to a selected one of the scan lines, and outputs a clamp voltage provided at the second terminal thereof to the other ones of the scan lines. The capacitor has a first terminal, and a second terminal that is connected to the second terminal of the scan selector.Type: GrantFiled: March 7, 2022Date of Patent: October 4, 2022Assignee: MACROBLOCK. INC.Inventors: Che-Wei Chang, Chen-Yuan Kuo, Chi-Min Hsieh
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Patent number: 11456715Abstract: An operational amplifier includes an output transistor having a gate coupled to an output node, at least one intermediate transistor each having a common gate node, an input transistor having a gate coupled to an input node, and a load device coupled to sources of the output transistor, the at least one intermediate transistor, and the input transistor. The operational amplifier further includes an output stage coupled to the output node, configured to drive the voltage on the output node based on currents through the output transistor, the at least one intermediate transistors, and the input transistor. The operational amplifier further includes a first switch coupled between the common gate node of the at least one intermediate transistor and the gate of the input transistor, and a second switch coupled between the output node and the common gate node of the at least one intermediate transistors.Type: GrantFiled: December 29, 2021Date of Patent: September 27, 2022Assignee: Synaptics IncorporatedInventor: Yutaka Saeki
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Patent number: 11455931Abstract: A source driving circuit of a display includes a gamma resistor strings, a digital to analog (DAC) circuit, and an output buffer circuit. The output buffer circuit includes input stage module, gain stage module, and output stage module. The input stage module includes main input stage unit and auxiliary input stage unit. Sizes of elements in main input stage unit are larger than sizes of elements in the auxiliary input stage unit, smaller sizes presenting smaller parasitic capacitances. During the switching period, the auxiliary input stage unit, gain stage module, and output stage module form a first unity gain amplifier outputting the driving voltages. During the stable period, the main input stage unit, gain stage module, and output stage module form a second unity gain amplifier outputting the driving voltages. A display device is also disclosed.Type: GrantFiled: March 2, 2022Date of Patent: September 27, 2022Assignee: Fitipower Integrated Technology, Inc.Inventors: Li-Wei Liu, Bo-Wen Huang, Chun-Yung Cho
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Patent number: 11455016Abstract: Apparatus, systems, articles of manufacture, and methods are disclosed for physical keyboards with multi-display computing devices. An example keyboard includes a plurality of keys and a translucent backplate having a first side and a second side. The example keyboard also includes a coating between the first side of the backplate and the plurality of keys, the coating to pass light to illuminate the plurality of keys, and the coating to obscure the plurality keys when viewed from the second side of the backplate.Type: GrantFiled: February 11, 2021Date of Patent: September 27, 2022Assignee: INTEL CORPORATIONInventors: Jeff Ku, Tim Liu, Yihua Lai, Lance Lin, Gavin Sung
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Patent number: 11449140Abstract: A method is disclosed, the method comprising the steps of receiving, at a first time interval from a first sensor configured to output data indicative of a first position of an eye, first data; receiving, at a second time interval from a second sensor configured to output data indicative of a delta position of the eye, second data; determining, based on the first data, a first position of the eye; determining, based on the second data, a delta position of the eye; determining, using the first position of the eye and the delta position of the eye, a second absolute position of the eye; and in response to determining the second position of the eye, generating an output signal indicative of the second position of the eye.Type: GrantFiled: February 23, 2022Date of Patent: September 20, 2022Assignee: Magic Leap, Inc.Inventors: Edwin Joseph Selker, Ivan Yeoh
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Patent number: 11442559Abstract: In certain embodiments, an input device includes a housing, a processor disposed in the housing, and an image sensor to track a movement of the input device with respect to an underlying surface. The image sensor includes a pixel array and operates in two modes of operation including a first mode of operation where the processor causes the image sensor to utilize a first plurality of pixels in the pixel array when tracking the movement of the input device or a second mode of operation where the processor causes the image sensor to utilize a second plurality of pixels in the pixel array when tracking the movement of the input device, where the second plurality of pixels has fewer pixels than the first plurality of pixels.Type: GrantFiled: July 30, 2021Date of Patent: September 13, 2022Assignee: Logitech Europe S.A.Inventors: François Morier, Olivier Theytaz
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Patent number: 11444117Abstract: A light emitting element, a manufacturing method therefor, and a display device including the light emitting element are disclosed. Particularly, disclosed are a multi-tunnel junction light emitting element having two or more light emitting regions, which are horizontally separated from each other, and a manufacturing method therefor, and disclosed is a display device which includes the light emitting element so as to efficiently arrange pixels and independently control the light emitting regions.Type: GrantFiled: July 10, 2019Date of Patent: September 13, 2022Assignee: SAMSUNG ELECTRONICS CO., LTD.Inventors: Jinhee Kang, Jitsuo Ota
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Patent number: 11436974Abstract: A display device includes: a pixel, the pixel having a pixel circuit area and an adjacent area extending around at least a portion of the pixel circuit area; first lines at least partially in the adjacent area and extending in a first direction; second lines at least partially in the adjacent area and extending in a second direction perpendicular to the first direction; and alignment electrode layers extending in the second direction and on the first and second lines. A first number of the alignment electrode layers are in the pixel circuit area, and a second number of the alignment electrode layers are in the adjacent area. The first number is greater than the second number.Type: GrantFiled: October 4, 2021Date of Patent: September 6, 2022Assignee: Samsung Display Co., Ltd.Inventors: Na Hyeon Cha, Sun Kwun Son
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Patent number: 11430380Abstract: The present disclosure relates to a pixel circuit including a light emitting element, a driving circuit, a first data storage circuit and a second data storage circuit. The driving circuit is electrically coupled to the light emitting element. The first data storage circuit is electrically coupled to the driving circuit, and is configured to transmit a first data signal to the driving circuit during a first frame period, so that the driving circuit drives the light emitting element according to the first data signal. The second data storage circuit is electrically coupled to the driving circuit, and is configured to receive a second data signal during the first frame period.Type: GrantFiled: July 6, 2021Date of Patent: August 30, 2022Assignee: AU OPTRONICS CORPORATIONInventors: Po-Chun Lai, Wei-Ting Wu, Wei-Jen Chen, Chi-Fu Tsao, Yung-Chih Chen
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Patent number: 11430381Abstract: An image display device includes pixels arranged in a matrix form on a grass. Each of the pixels includes: a drive circuit disposed on the grass and configured to receive a power supply control signal and an analog image signal; and an inorganic semiconductor light emitting element mounted on the drive circuit and electrically connected to the drive circuit. The inorganic semiconductor light emitting element is configured to emit a light based on a driving current provided from the drive circuit. The power supply control signal is applied at once to the pixels. The drive circuit is configured to control a grayscale of a light emitted by the inorganic semiconductor light emitting element by controlling a pulse width of a driving current having an amplitude corresponding to a voltage of the power supply control signal based on a voltage of the analog image signal.Type: GrantFiled: August 6, 2021Date of Patent: August 30, 2022Assignee: NICHIA CORPORATIONInventor: Hajime Akimoto
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Patent number: 11422643Abstract: A peripheral device with an adaptive scroll wheel can be used to provide additional control of a host computing device. A variable force is used to change friction on the adaptive scroll wheel for different situations. Examples include stopping a scroll wheel at an end of a document, changing a number of ratchet steps based on a number of items on a list, and changing scroll profiles based on application, such as a scroll profile for document processing and a scroll profile for gaming.Type: GrantFiled: May 28, 2021Date of Patent: August 23, 2022Assignee: Logitech Europe S.A.Inventors: Jean-Claude Dunant, Jan Stoeckli, Maxim Vlasov, Nicolas Ramond, Patrick Cerisier
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Patent number: 11423822Abstract: An embodiment of a display apparatus includes a display panel, a driving controller, and a data driver. In operation the driving controller determines a gain reducing area based on an edge load of input image data corresponding to an edge area of the display panel and compensates a grayscale value of the input image data corresponding to the gain reducing area to generate a data signal. The data driver converts the data signal to a data voltage and outputs the data voltage to the display panel.Type: GrantFiled: August 25, 2021Date of Patent: August 23, 2022Inventors: Heesook Park, Kihyun Pyun
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Patent number: 11417269Abstract: A display apparatus according to embodiments of the present disclosure includes a display panel including at least one light emitting element that emits light according to a difference in respective voltages applied to an anode electrode and a cathode electrode, and including a plurality of pixels that are connected to a plurality of data lines, a plurality of gate lines, and a plurality of light emitting control lines, wherein a reset voltage is supplied to the anode electrode, a data driver for supplying data signals to the data lines, a gate driver for supplying gate signals to the gate lines, and supplying a light emitting control signal to each of the light emitting control lines, and a timing controller for controlling the data driver and the gate driver, and enabling the reset voltage to be supplied in sync with a plurality of non-light emitting periods of the light emitting control signal included in one frame.Type: GrantFiled: July 27, 2021Date of Patent: August 16, 2022Assignee: LG Display Co., Ltd.Inventors: Seokhwan Choi, Jung-Min Lee
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Patent number: 11410606Abstract: A vertically stacked pixel circuit is provided that includes a high voltage device for driving a pixel on an upper silicon layer, and low voltage circuitry (such as matrix addressing circuitry, data storage circuitry and uniformity compensation circuitry) on a lower silicon layer. The circuitry on the upper and lower silicon layers are electrically connected via a through-silicon via. This unique arrangement allows the high voltage device for driving a pixel to be physically located on top of the larger number of low voltage devices in the lower silicon layer in order to achieve a substantial reduction in overall pixel emission area. The vertically stacked pixel circuit is particularly suited for organic light-emitting diode microdisplays.Type: GrantFiled: February 16, 2021Date of Patent: August 9, 2022Assignee: eMagin CorporationInventor: Ihor Wacyk
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Patent number: 11404530Abstract: A display substrate and a display device are provided. The display substrate includes: a base substrate; a plurality of first data line leads; a plurality of multiplex switches and at least two control lines electrically coupled to the plurality of multiplex switches; a plurality of second data line leads; a plurality of first pads and a plurality of second pads; and at least two connecting lines coupled to the at least two control lines and at least two of the plurality of second pads; wherein a length of any of the at least two connecting lines is longer than a vertical distance from any of the at least two second pads to a control line coupled to any of the at least two connecting lines.Type: GrantFiled: June 30, 2020Date of Patent: August 2, 2022Assignees: CHENGDU BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.Inventors: Linhong Han, Meng Zhang, Tingliang Liu, Yi Qu
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Patent number: 11403997Abstract: A pixel includes first and second sub-emission areas enclosed by a bank; a first light source unit disposed in the first sub-emission area, and including at least one first light emitting element connected between at least one first split electrode and a second power supply; a second light source unit disposed in the second sub-emission area, and including at least one second light emitting element connected between at least one second split electrode and the second power supply; a first driving circuit connected between a first power supply and the at least one first split electrode, and supplying a first driving current to the first light source unit in response to a first data signal; and a second driving circuit connected between the first power supply and the second split electrode, and supplying a second driving current to the second light source unit in response to a second data signal.Type: GrantFiled: April 11, 2019Date of Patent: August 2, 2022Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Jin Oh Kwag, Won Sik Oh, Keun Kyu Song, Sung-Chan Jo, Hyun Min Cho