Patents Examined by Roy P Rabindranath
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Patent number: 11733798Abstract: A touch sensing system is provided. The touch sensing system includes a touch panel including touch sensors arranged in a grid along row and column directions; a touch controller including at least one transmission circuit to transmit a signal to the touch sensors and at least one reception circuit to detect a signal from the touch sensors; and a switching circuit to selectively connect each of the touch sensors to the at least one transmission circuit and the at least one reception circuit in accordance with an operation mode. The switching circuit connects each of the touch sensors to the at least one reception circuit in a touch mode and connects a first portion of the touch sensors to the at least one reception circuit and a second portion of the touch sensors to the at least one transmission circuit in a proximity mode.Type: GrantFiled: March 21, 2022Date of Patent: August 22, 2023Assignee: SAMSUNG ELECTRONICS CO., LTD.Inventors: Minsung Kim, Sanho Byun, Roots Huang, Yao Sheng Liang, Jungmoon Kim, Dongjo Park
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Patent number: 11735134Abstract: A display apparatus with low power consumption is provided. The display apparatus includes a circuit for boosting a signal voltage output from a gate driver. The signal voltage from the gate driver can be boosted and then supplied to a pixel, which is suitable for driving a display device with a high threshold voltage. Furthermore, by utilizing a boosting function, output of the gate driver can be reduced, and power consumption can also be reduced. By combination with a pixel having a boosting function of image data, a display apparatus with lower power consumption can be achieved.Type: GrantFiled: January 22, 2020Date of Patent: August 22, 2023Assignee: Semiconductor Energy Laboratory Co., Ltd.Inventors: Kazunori Watanabe, Koji Kusunoki
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Patent number: 11726317Abstract: A head-mounted, near-eye display system comprises a stack of waveguides having integral spacers separating the waveguides. The waveguides may each include diffractive optical elements that are formed simultaneously with the spacers by imprinting or casting. The spacers are disposed on one or more major surfaces of the waveguides and define a distance between immediately adjacent waveguides. Adjacent waveguides may be bonded using adhesives on the spacers. The spacers may fit within indentations of overlying waveguides. In some cases, the spacers may form one or more walls of material substantially around a perimeter of an associated waveguide. Vent holes may be provided in the walls to allow gas flow into and out from an interior volume defined by the spacers. Debris trapping structures may be provided between two walls of spacers to trap and prevent debris from entering into the interior volume.Type: GrantFiled: June 23, 2020Date of Patent: August 15, 2023Assignee: Magic Leap, Inc.Inventors: Ling Li, Ali Karbasi, Christophe Peroz, Chieh Chang, Sharad D. Bhagat, Brian George Hill, Melanie Maputol West, Ryan Jason Ong, Xiaopei Deng, Shuqiang Yang, Frank Y. Xu
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Patent number: 11726356Abstract: An output circuit is provided, including: a positive polarity voltage signal supplying circuit to supply or block the supply of a positive polarity voltage signal having a voltage higher than a reference power source voltage to a first node; a negative polarity voltage signal supplying circuit to supply or block the supply of a negative polarity voltage signal having a voltage lower than the reference power source voltage to a second node; a first switch of which a source is connected to the first node and a drain is connected to a first output terminal; a second switch of which a source is connected to the second node and a drain is connected to the first output terminal; and third and fourth switches; a first and a second voltage control circuits respectively performing on-off control of the first and second switches.Type: GrantFiled: February 21, 2022Date of Patent: August 15, 2023Assignee: LAPIS Semiconductor Co., Ltd.Inventor: Hiroshi Tsuchi
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Patent number: 11714511Abstract: An active stylus is provided, which can reduce battery power consumption and reduce the time required for its signal transmission. A position detection device includes a tablet and the stylus having a built-in power source, which are capable of bi-directional transmission and reception of signals through capacitive coupling therebetween. The tablet is configured to transmit a trigger signal US_trg and then transmit a command signal US_cmd to the stylus. The trigger signal US_trg causes the stylus to start its command information receiver to receive the command signal US_cmd including information for controlling the stylus.Type: GrantFiled: November 30, 2021Date of Patent: August 1, 2023Assignee: Wacom Co., Ltd.Inventors: Yuji Katsurahira, Hideyuki Hara
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Patent number: 11715440Abstract: A display device may include a display panel including a gate line, a data line, and a pixel electrically connected to the gate line and the data line, where display panel displays an image based on input image data, a gate driver which outputs a gate signal to the gate line, a data driver which outputs a data voltage to the data line, and a power supply voltage generator which provides a driving voltage to the display panel, the gate driver and the data driver. The power supply voltage generator generates a gate clock signal based on an on-clock signal and an off-clock signal and changes a count value of the on-clock signal or the off-clock signal when the gate clock signal is an abnormal signal.Type: GrantFiled: December 3, 2021Date of Patent: August 1, 2023Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Gwangsoo Ahn, Jong Jae Lee, Taegon Im
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Patent number: 11709410Abstract: Provided is a black partition wall pattern film that comprises: a transparent substrate; an electrode layer provided on the transparent substrate; a black partition wall pattern provided on the electrode layer; and a black UV-curable resin layer provided in a region of the electrode layer where no black partition wall pattern is provided.Type: GrantFiled: March 11, 2019Date of Patent: July 25, 2023Assignee: LG CHEM, LTD.Inventors: Yong Goo Son, Nam Seok Bae, Seung Heon Lee
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Patent number: 11675466Abstract: A touch sensor may include a substrate and may include electrode units, first demultiplexers, second demultiplexers, and driving pads all located on the substrate. The electrode units each may include a plurality of electrode groups, the electrode groups each including a plurality of touch electrodes. The first demultiplexers each may include a plurality of sub-demultiplexers and each may be electrically connected to a corresponding one of the electrode units. Each of the sub-demultiplexers of a first demultiplexer may be electrically connected to a corresponding one of the electrode groups of a corresponding electrode unit. The second demultiplexers may be connected between the first demultiplexers and the driving pads.Type: GrantFiled: September 30, 2021Date of Patent: June 13, 2023Assignee: Samsung Display Co., Ltd.Inventors: Hwa Jeong Kim, Jae Sic Lee, Na Yun Kwak, Dong Hwan Kim, Seung Woo Sung, Min Kyu Woo, Min Ku Lee, Seong Jun Lee, Sang Jin Pak, Sang Hyun Jun
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Patent number: 11676541Abstract: The present disclosure provides a shift resister unit, a gate driving circuit, a display device, and a method for controlling a shift register unit. The shift register unit incudes a first input sub-circuit, a first output sub-circuit, a first reset sub-circuit, a second input sub-circuit, and a third input sub-circuit. The first input sub-circuit is configured to change a potential of a first node in a first phase. The first output sub-circuit is configured to output a gate driving signal in the first phase and output a compensation driving signal in a second phase. The first reset sub-circuit is configured to reset the first node. The second input sub-circuit is configured to change a potential of a second node in the first phase and maintain the potential of the second node. The third input sub-circuit is configured to change the potential of the first node in the second phase.Type: GrantFiled: June 12, 2020Date of Patent: June 13, 2023Assignees: HEFEI BOE JOINT TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP GO., LTD.Inventors: Xuehuan Feng, Yongqian Li
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Patent number: 11669233Abstract: A display control device includes a processor. The processor displays plural areas. The plural areas include a first area, a second area, a third area and a fourth area. The first area is related to a search for content data by a user. The second area is related to a selection of content data by the user. The third area is related to a display of content of the content data selected in the second area. The fourth area is related to a user's edit of information associated with the content data displayed in the third area. The processor hides the first area and the second area and does not hide the third area and the fourth area when the content data is selected by the user in the second area.Type: GrantFiled: December 15, 2021Date of Patent: June 6, 2023Assignee: FUJIFILM Business Innovation Corp.Inventor: Naoki Adachi
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Patent number: 11665305Abstract: Embodiments disclosed herein relate to device and method for processing frames. For example, a buffer of a device is arranged to store a plurality of rendered frames rendered at a frame rendering rate and a time stamp for each of rendered frames. A compositor of a device is arranged to obtain a timestamp of a synchronisation signal for synchronising the display of frames with a display refresh rate. In response to obtaining a timestamp of a synchronisation signal, a compositor is arranged to trigger access to a buffer to obtain two rendered frames having timestamps closest to a timestamp of a synchronisation signal. An interpolator of a device is arranged to generate an interpolated rendered frame for display by performing an interpolation operation using two rendered frames. An interpolation operation takes into account the difference between timestamps of each of two rendered frames and a timestamp of a synchronisation signal.Type: GrantFiled: October 17, 2019Date of Patent: May 30, 2023Assignee: Samsung Electronics Co., Ltd.Inventors: Daniel Ansorregui Lobete, Fernando Escribano Macias, Albert Saa-Garriga, Ramesh Munikrishnappa
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Patent number: 11663950Abstract: A display device includes: a display panel configured to display an image; a signal controller configured to determine whether an input image signal is a still image signal, and determine color coordinates using data values of one frame data of the input image signal, and generate compensated image data by compensating image data of the one frame data based on the color coordinates; and a data driver configured to generate a data signal based on the compensated image data and output the compensated image data to the display panel through a data line.Type: GrantFiled: May 13, 2021Date of Patent: May 30, 2023Assignee: Samsung Display Co., Ltd.Inventors: Se Hyuk Park, Hong Soo Kim, Jin Young Roh, Hyo Jin Lee, Jae Keun Lim
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Patent number: 11657753Abstract: The present application relates to a voltage compensating circuit and a display. The voltage compensating circuit includes: an electroluminescence device; a driving unit, used for driving the electroluminescence device; a luminescence time length control unit, respectively connected with the driving unit and the electroluminescence device, and used for controlling luminescence time length of the electroluminescence device; and a compensation unit, respectively connected with the driving unit and the luminescence time length control unit, and used for providing a compensation voltage to the voltage compensating circuit. Through the voltage compensating circuit in the present application, a dropped voltage value is compensated, thereby brightness uniformity of the display is improved, and image quality is improved.Type: GrantFiled: January 20, 2020Date of Patent: May 23, 2023Assignee: CHONGQING KONKA PHOTOELECTRIC TECHNOLOGY RESEARCH INSTITUTE CO., LTD.Inventor: Shisong Zheng
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Patent number: 11650422Abstract: A method and apparatus for correcting aberrations over the entire field of view of an optical system, in which a first part of the apparatus applies different pre-compensating aberrations individually to different portions of the field of view, such that aberrations caused by a second part of the apparatus cancel the aberrations applied by the first part. The first part of the apparatus is temporally, angularly, or spatially multiplexed and the second part of the apparatus is spatially or angularly multiplexed such that ray bundles corresponding to subsets of contiguous pixels in an image source are each subjected to corresponding pre-compensating aberrations and subsequent aberrations, resulting in a substantially non-aberrated performance over the entire field of view of the optical system.Type: GrantFiled: October 19, 2018Date of Patent: May 16, 2023Assignee: Vuzix CorporationInventor: Stephen Paul McGrew
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Patent number: 11621607Abstract: Disclosed are a head-up display for a vehicle and a method of controlling the same. The head-up display may include a casing unit, a hinge unit rotatably mounted on the casing unit, a holder unit mounted on the hinge unit, wherein a combiner is positioned on the holder unit, an actuation unit coupled to the hinge unit and configured to rotate the hinge unit, a detection unit configured to detect an initial location of the hinge unit, and a controller configured to receive a detection signal of the detection unit and drive the actuation unit. Accordingly, precise control of the combiner may be possible although only the initial location of the hinge unit is detected.Type: GrantFiled: November 5, 2019Date of Patent: April 4, 2023Assignee: HYUNDAI MOBIS CO., LTD.Inventor: Byung Ki Kim
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Patent number: 11609472Abstract: The present invention discloses an electrophoretic chip comprising: (a) a non-conductive substrate designed to support elements of said electrophoretic chip; (b) an electrode structure for conducting current through said electrophoretic chip, printed on said non-conductive substrate and comprising a counter electrode and at least one working electrode, each electrode comprising a conductive low-resistance ink layer printed on the non-conductive substrate, and a carbon ink layer printed on top of and fully or partially covering said conductive low-resistance ink layer; (c) a dielectric ink insulator layer placed on top of, and covering, said electrode structure, said dielectric ink insulator layer having at least one opening above the counter electrode and at least one opening above said at least one working electrode, thereby forming at least one addressable location; and (d) a molecule capturing matrix spotted on and covering said at least one addressable location, thereby creating at least one microgel regiType: GrantFiled: December 28, 2017Date of Patent: March 21, 2023Assignee: ADOR DIAGNOSTICS S.R.L.Inventors: Dalibor Hodko, Howard R. Reese, Vladimir Hurgin
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Patent number: 11594183Abstract: The present disclosure provides a shift resister unit, a gate driving circuit, a display device, and a method for controlling a shift register unit. The shift register unit incudes a first input sub-circuit, a first output sub-circuit, a first reset sub-circuit, a second input sub-circuit, and a third input sub-circuit. The first input sub-circuit is configured to change a potential of a first node in a first phase. The first output sub-circuit is configured to output a gate driving signal in the first phase and output a compensation driving signal in a second phase. The first reset sub-circuit is configured to reset the first node. The second input sub-circuit is configured to change a potential of a second node in the first phase and maintain the potential of the second node. The third input sub-circuit is configured to change the potential of the first node in the second phase.Type: GrantFiled: June 12, 2020Date of Patent: February 28, 2023Assignees: HEFEI BOE JOINT TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP GO., LTD.Inventors: Xuehuan Feng, Yongqian Li
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Switching method and switching device for display channel, display driving device and display device
Patent number: 11574614Abstract: The present disclosure provides a method and device for switching a display channel, a display driving device and a display device. The method includes: sending a first switching signal to a write controller of a current display channel when a switching instruction for switching from the current display channel to a target display channel is received; acquiring a frame address in which final write operation of data is completed, and taking the frame address as a first address and a next frame address as a second address; sending a second switching signal to a write controller of the target display channel; and sending a third switching signal to a read controller.Type: GrantFiled: July 31, 2020Date of Patent: February 7, 2023Assignee: BEIJING BOE TECHNOLOGY DEVELOPMENT CO., LTD.Inventors: Xitong Ma, Lihua Geng, Xianzhen Li, Donglei Mu -
Patent number: 11568782Abstract: A method of driving a display panel that includes first and second display-regions includes: determining maximum luminance data among first data including first red data, first green data, and first blue data for the first display-region, calculating a threshold gray-level based on a luminance gain, a gray-level of the maximum luminance data, and a gamma value for the display panel, selecting a smaller value between the threshold gray-level and a maximum gray-level as a gain determination gray-level, calculating a compensation gain obtained by dividing the gain determination gray-level by the gray-level of the maximum luminance data, generating first compensated data by applying the compensation gain to the first data, displaying a first-image in the first display-region based on the first compensated data, and displaying a second-image in the second display-region based on second data including second red data, second green data, and second blue data for the second display-region.Type: GrantFiled: August 19, 2020Date of Patent: January 31, 2023Inventor: Jong-Woong Park
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Patent number: 11567330Abstract: Disclosed herein is a display control apparatus including an image producing part that produces an image of a virtual space to be displayed on a head-mounted display, a display control part that causes the head-mounted display to display thereon the image of the virtual space, and a position selecting part that accepts a selection instruction for a position in the virtual space displayed on the head-mounted display, through an input apparatus used by a user. When the position selecting part accepts the selection instruction for the position from the user, the position selecting part causes the head-mounted display to display thereon an image of the input apparatus, and accepts the selection instruction for the position from a plurality of selectable positions in accordance with an input position relative to a touch pad included in the input apparatus.Type: GrantFiled: September 30, 2021Date of Patent: January 31, 2023Assignee: SONY INTERACTIVE ENTERTAINMENT INC.Inventors: Mihee Kang, Masashi Nakata