Patents Examined by Mark W Regn
-
Patent number: 11138920Abstract: A display device provides pulse width modulation (PWM) control of pixels using comparator circuits within each pixel. The display device includes a display panel and a row driver connected to the display panel. The row driver includes a counter configured to generate count bit values for subframes of a pulse width modulation (PWM) frame. The display panel includes pixels, each pixel including a comparator circuit and a light emitting diode. The comparator circuit includes a dynamic comparison node. The comparator circuit is configured to generate comparison results at the dynamic comparison node by comparing the count bit values of the subframes and data bit values of a control word defining a brightness level of the pixel for the PWM frame. The LED is configured to turn on or off responsive to the comparison results at the dynamic comparison node.Type: GrantFiled: January 31, 2020Date of Patent: October 5, 2021Assignee: Facebook Technologies, LLCInventor: Michael Yee
-
Patent number: 11122398Abstract: An electronic device is located in a room. The device has a casing, a first processor coupled to a radar transceiver, a second processor coupled to a motion sensor, and memory. Using the second processor, the device determines using signals from the motion sensor whether an object is in proximity. In accordance with a determination that the object is in proximity, the device wakes up the first processor. Using the first processor, the device enables operation of the radar transceiver. It determines using signals from the radar transceiver whether the object is in contact with the casing. In accordance with a determination that the object is in contact with the casing, the device identifies an input command based on at least one of: a location of the object, and a movement of the object, and adjusts operation based on the input command.Type: GrantFiled: June 9, 2020Date of Patent: September 14, 2021Assignee: GOOGLE LLCInventors: Brian Silverstein, Eden Sherry
-
Patent number: 11120762Abstract: A gate driving unit, a method for driving the same, a gate driving circuitry and a display module are provided. The gate driving unit includes: a shift register circuit configured to delay a phase of an input signal inputted by a signal input end under control of a first clock signal input end and a second clock signal input end to obtain a carry signal, and output the carry signal through a carry end; and a pulse width regulation circuit configured to regulate a pulse width of the carry signal under control of the enable end to obtain a gate drive signal, and output the gate drive signal through a gate drive signal output end.Type: GrantFiled: September 10, 2018Date of Patent: September 14, 2021Assignees: HEFEI BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.Inventors: Zhangmeng Wang, Yimin Chen, Xianjie Shao
-
Patent number: 11112606Abstract: A head-mounted display (HMD) including multiple layered display panels. The HMD may include a first display panel to display a first image, and a second display panel positioned in front of the first display panel to at least partially overlap with the first display panel. The second display panel may include a display substrate, and a plurality of light emitting diodes (LEDs) positioned on the display substrate. The plurality of LEDs display a second image. The display substrate and the plurality of LEDs are transparent for the first image to be visible through the second display panel.Type: GrantFiled: September 13, 2018Date of Patent: September 7, 2021Assignee: Facebook Technologies, LLCInventors: Christopher Percival, Yusufu Njoni Bamaxam Sulai
-
Patent number: 11106041Abstract: An augmented reality display system includes a pair of variable focus lens elements that sandwich a waveguide stack. One of the lens elements is positioned between the waveguide stack and a user's eye to correct for refractive errors in the focusing of light projected from the waveguide stack to that eye. The lens elements may also be configured to provide appropriate optical power to place displayed virtual content on a desired depth plane. The other lens element is between the ambient environment and the waveguide stack, and is configured to provide optical power to compensate for aberrations in the transmission of ambient light through the waveguide stack and the lens element closest to the eye. In addition, an eye-tracking system monitors the vergence of the user's eyes and automatically and continuously adjusts the optical powers of the pair of lens elements based on the determined vergence of those eyes.Type: GrantFiled: October 25, 2019Date of Patent: August 31, 2021Assignee: Magic Leap, Inc.Inventors: Samuel A. Miller, Paul M. Greco, Brian T. Schowengerdt
-
Patent number: 11088221Abstract: Provided is a display device including a first substrate, a second substrate disposed on the first substrate and including a first surface and a second surface, a display unit disposed between the first substrate and the second substrate, a coupling unit disposed between the first substrate and the second substrate and coupled to the first substrate and the first surface of the second substrate, input sensing electrodes disposed on the second surface of the second substrate, signal lines disposed on the second surface of the second substrate and connected to the input sensing electrodes, sensing pads disposed on the second surface of the second substrate, overlapping the coupling unit in a plan view, and connected to the signals lines, and a blocking unit disposed on the second surface of the second substrate and spaced apart from the signals lines with the sensing pads interposed therebetween viewed in a plan view.Type: GrantFiled: September 9, 2019Date of Patent: August 10, 2021Assignee: SAMSUNG DISPLAY CO., LTD.Inventor: Yeonje Cho
-
Patent number: 11089351Abstract: A display apparatus includes two cameras and detects a second point and a third point with respect to a first point from photographed video, the first point indicating a camera reference position, the second point indicating a user reference position, the third point indicating a position of a finger of the user; sets a virtual plane space to a fourth point in a space, the fourth point being positioned apart from the second point by a predetermined length in a first direction; determines a predetermined operation on a basis of a degree of entrance of the finger with respect to the virtual plane space; controls an operation of the display apparatus on a basis of operational input information; determines an adjusting operation against the virtual plane space by the user; and changes at least one of a position, a size, or inclination of the virtual plane space in real time.Type: GrantFiled: February 2, 2017Date of Patent: August 10, 2021Assignee: MAXELL, LTD.Inventors: Kazuhiko Yoshizawa, Yasunobu Hashimoto, Hiroshi Shimizu, Tomonori Nomura, Kaneyuki Okamoto
-
Patent number: 11068082Abstract: A mouse usable as a wheel input device is described. In an embodiment, a mouse may include: a top surface; a sensor coupled to the top surface; a controller coupled to the sensor; and a memory coupled to the controller, the memory having instructions stored thereon that, upon execution by the controller, cause the mouse to: enter a mouse mode of operation in response to detection of a finger on the top surface; and enter a wheel mode of operation in response to detection of a turning of the mouse in a clockwise or counterclockwise direction.Type: GrantFiled: April 9, 2020Date of Patent: July 20, 2021Assignee: Dell Products, L.P.Inventors: Michiel Sebastiaan Emanuel Petrus Knoppert, Kyu Sang Park, Frank Franciscus Maria Bertrand van Valkenhoef
-
Patent number: 11062651Abstract: A display device can include a display unit including data lines, gate lines crossing the data lines and pixels; a voltage generating unit configured to generate driving voltages for driving the display unit based on a voltage from a battery; and a data driver configured to convert input image data into data voltages and output the data voltages to the data lines, wherein the voltage generating unit includes a battery current control unit configured to control a magnitude of a low potential driving voltage applied to cathode electrodes of the pixels according to an amount of a battery output current flowing from the battery to the voltage generating unit, and wherein the battery current control unit is configured to increase the low potential driving voltage when the battery output current is equal to or greater than a predetermined threshold value.Type: GrantFiled: November 19, 2019Date of Patent: July 13, 2021Assignee: LG DISPLAY CO., LTD.Inventors: Nakyoon Kim, Jisu Kim
-
Patent number: 11056028Abstract: A method for detecting luminance uniformity of a screen, storage medium, and electronic device are provided. The method includes the following steps. At least one pixel on a display panel of a screen is lit. Light intensity of the pixel reflected by a non-opaque cover plate is acquired by a photoelectric sensor of the screen. Whether the pixel is uniformly luminous based on the acquired light intensity is determined. In this solution, by adding a photoelectric sensor to the screen, it is convenient to obtain the light condition of the screen, and then it is convenient to obtain whether the pixel is uniformly luminous.Type: GrantFiled: December 2, 2019Date of Patent: July 6, 2021Inventor: Jiandong Huang
-
Patent number: 11049476Abstract: Methods, systems, and computer readable media for minimal-latency tracking and display for matching real and virtual worlds in head-worn displays are disclosed. According to one aspect, a method for minimal-latency tracking and display for matching real and virtual worlds in head-worn displays includes calculating a desired image, calculating an error image as the difference between the desired image and an image currently being perceived by a user, identifying as an error portion a portion of the error image having the largest error, updating a portion of a projected image that corresponds to the error portion, and recalculating the image currently being perceived by a user based on the updated projected image.Type: GrantFiled: November 4, 2015Date of Patent: June 29, 2021Assignee: The University of North Carolina at Chapel HillInventors: Henry Fuchs, Anselmo A. Lastra, John Turner Whitted, Feng Zheng, Andrei State, Gregory Welch
-
Patent number: 11016613Abstract: An image recognition device, an image recognition method and an image recognition unit capable of performing touch recognition high in accuracy. The image recognition device includes a pattern display section adapted to display a first pattern in which bright lines are arranged with a first pitch, and a second pattern in which bright lines are arranged with a second pitch at respective time points different from each other, a measurement point determination section adapted to detect a finger located between a camera and a screen, and determine a fingertip of the finger, and a position detection section adapted to detect the position of the fingertip with respect to the screen based on an image including the first pattern and an image including the second pattern obtained by the camera.Type: GrantFiled: January 10, 2017Date of Patent: May 25, 2021Assignee: SEIKO EPSON CORPORATIONInventor: Taisuke Yamauchi
-
Patent number: 11003410Abstract: A visualization system provides graphics for presentation on displays of multiple users who may be wearing head-mounted displays (HMDs). In an embodiment, the system determines that a first gaze direction of a first user is directed toward a first display. The system determines user inputs performed by the first user. The user inputs may be hands-free such as gestures of a hand or finger or voice commands. The system generates a graphical annotation using the user inputs. The system provides the graphical annotation to a first HMD for presentation to the first user. The system determines a second display paired to the first display. The system provides the graphical annotation to a second HMD for presentation to a second user looking at the second display. The displays may include a physical display or a virtual display, for example, in an augmented reality environment.Type: GrantFiled: February 13, 2019Date of Patent: May 11, 2021Assignee: SentiAR, Inc.Inventors: Walter Blume, Michael K. Southworth
-
Patent number: 10996850Abstract: A virtual keyboard control apparatus and control method are disclosed. The virtual keyboard control method includes collecting typo data including a desired input key and an erroneously input key, analyzing the typo data, and updating the key mapping of at least one virtual key of the desired input key and the erroneously input key by using the analyzed result. According to the present disclosure, it is possible to implement the optimum key mapping in which a typo is less generated for each user through Reinforcement Learning of Deep Learning by using the reward called a reduction in a typo rate.Type: GrantFiled: September 6, 2019Date of Patent: May 4, 2021Assignee: LG ELECTRONICS INC.Inventors: Sung Jin Kim, Jeong Heo, Beom Oh Kim
-
Patent number: 10996479Abstract: A display device includes: a light projection device configured to project light; an optical mechanism configured to be able to adjust an optical distance to a virtual image; a concave mirror configured to reflect light toward a reflector; a first actuator configured to adjust the optical distance; a second actuator configured to adjust a reflection angle of the concave mirror; and a control device configured to determine a target optical distance and a target reflection angle based on a vehicle state or a situation around a vehicle, control the first actuator such that the optical distance approaches the target optical distance, and control the second actuator such that the reflection angle approaches the target reflection angle. The control device performs predetermined control such that the virtual image becoming a double image when the target optical distance is equal to or less than a predetermined distance is curbed.Type: GrantFiled: September 25, 2019Date of Patent: May 4, 2021Assignee: HONDA MOTOR CO., LTD.Inventors: Masafumi Higashiyama, Takuya Kimura, Shinji Kawakami, Tatsuya Iwasa, Yuji Kuwashima
-
Patent number: 10996796Abstract: The present disclosure provides a touch panel, an electronic device and a method for generating a touch instruction thereof. The touch panel includes a transparent film, a light-emitting layer and a photosensitive layer. The transparent film includes a first surface and a second surface facing with each other. A first thickness in a static status is between the first surface and the second surface. A second thickness in a pressed status under a pressure is between the first surface and the second surface, the second thickness is less than the first thickness. The light-emitting layer and the photosensitive layer are disposed at a side of the transparent film close to the second surface.Type: GrantFiled: August 8, 2018Date of Patent: May 4, 2021Assignees: BEIJING BOE DISPLAY TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.Inventor: Wenshuai Song
-
Patent number: 10983748Abstract: An information sharing system includes a first terminal, a second terminal and an information management apparatus. The first terminal is configured to control a first display to output a first screen shareable by a plurality of users. The second terminal is operated by a user of the plurality of users and the second terminal is configured to control a second display to output a second screen to be viewed by the user. The information management apparatus transmits, in response to the screen acquisition request, a request for image data to the first terminal, acquires image data of the first screen from the first terminal, and updates screen information according to the image data. The second terminal further receives the screen information from the information management apparatus, and controls the second display to update the output of the second display based on the screen information.Type: GrantFiled: January 31, 2019Date of Patent: April 20, 2021Assignee: Ricoh Company, Ltd.Inventor: Hiroshi Baba
-
Patent number: 10976910Abstract: A system is disclosed that includes a breathing apparatus, a touch screen unit and a processing unit. A first content (30) is displayed at a first screen location (30) of the touch screen. Upon a user input, comprising a gesture (35) of one or more gestures, at the first screen location (31), a second content related to the first content (30) is selected and displayed in dependence of the gesture (35) and the first content (30). The first content (30) is free of an indication of the second content, such as an indication comprised in the list of an icon, soft-button or a menu configured to activate the second content upon user selection on the touch screen.Type: GrantFiled: October 17, 2019Date of Patent: April 13, 2021Assignee: MAQUET CRITICAL CARE ABInventor: Anette Sunna
-
Patent number: 10969582Abstract: A heads-up display (HUD) system is disclosed in various embodiments. The HUD system includes a window plate defining an opening to enable light emitting from HUD components to pass therethrough. The window plate includes an inner trough wall and an outer trough wall that cooperate to define a trough therebetween that at least partially surrounds the opening. A transparent cover is attached to the window plate and covers the opening. The cover has a perimeter and an overhang portion located along at least a portion of the perimeter. The opening has a center and the overhang portion extends further from the center than the inner trough wall to facilitate liquid traveling across the cover to enter the trough and inhibit the liquid from entering an interface between the cover and the window plate. The outer trough wall can have a raised profile relative to the cover to protect the cover.Type: GrantFiled: August 6, 2019Date of Patent: April 6, 2021Assignees: DENSO INTERNATIONAL AMERICA, INC.Inventors: Dominic Degiulio, Roger Yang, Yusuke Matsui
-
Patent number: 10972658Abstract: A system including image capture eyewear, a processor, and a memory. The image capture eyewear includes a support structure, a selector connected to the support structure, a display system (e.g., LEDs or a display) connected to the support structure to distinctly display assignable recipient markers, and a camera connected to the support structure to capture an image of a scene. The processor executes programming in the memory to assign recipients to the assignable recipient markers, receive a captured image of the scene, receive an indicator associated with the assignable recipient markers distinctly displayed at the time the image of the scene was captured, and transmit the captured image to the recipient assigned to the distinctly displayed assignable recipient markers.Type: GrantFiled: April 23, 2019Date of Patent: April 6, 2021Assignee: Snap Inc.Inventors: Yu Jiang Tham, Mitchell Bechtold, Antoine Ménard