Patents Examined by Andre Matthews
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Patent number: 10210797Abstract: A method for aging an organic light emitting display includes estimating a lifespan curve of a display panel based on at least one initial aging profile of the display panel, correcting at least one of a target luminance or a target white color coordinates of the display panel such that the estimated lifespan curve corresponds to a target lifespan curve, and setting a lifespan look up table by storing at least one of the correction value of the target luminance or the correction value of the target white color coordinates.Type: GrantFiled: May 24, 2016Date of Patent: February 19, 2019Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Seong Min Lee, Hyo Min Kim, Chi Yeoung Shim, Ju Kyung Jo
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Patent number: 10209803Abstract: There are provided a touch sensor and a liquid crystal display including the same. A touch sensor includes a plurality of driving electrodes, a plurality of sensing electrodes intersecting the driving electrodes, a plurality of piezoelectric materials disposed between the driving electrodes and the sensing electrodes at intersection points of the driving electrodes and the sensing electrodes, and a touch controller for detecting a touch position and a touch pressure by using sensing signals output from the sensing electrodes.Type: GrantFiled: May 24, 2016Date of Patent: February 19, 2019Assignee: Samsung Display Co., Ltd.Inventors: Sang Mi Kim, Joon Chul Goh, Kyoung Ho Lim
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Patent number: 10162400Abstract: In one embodiment, a stylus includes one or more electrodes and one or more computer-readable non-transitory storage media embodying first logic for transmitting signals wirelessly to a device through a touch-sensor of the device. The stylus has a first power mode in which components of the stylus for receiving signals from or transmitting signals to the device are powered off; a second power mode in which components of the stylus for receiving signals from the device are powered on at least periodically and components of the stylus for transmitting signals to the device are powered off; and a third power mode in which components of the stylus for transmitting signals to the device are powered on at least periodically. The media further embodies second logic for transitioning the stylus from one of the first, second, and third power modes to another one of the first, second, and third power modes.Type: GrantFiled: December 17, 2011Date of Patent: December 25, 2018Assignee: Wacom Co., Ltd.Inventors: Shahrooz Shahparnia, Trond Jarle Pedersen, John Logan, Vemund Kval Bakken, Kishore Sundara-Rajan
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Patent number: 10152168Abstract: According to one embodiment, a sensor-equipped display device includes a display panel, a detection electrode, a conductive member arranged at intervals from the display panel and the detection electrode, and controller. In a first sense period, the controller drives a common electrode of the display panel or the detection electrode and extracts input position data from the detection electrode. In a second sense period, the controller drives the conductive member and extracts first input pressure data from a first electrode, the controller drives a second electrode and extracts second input pressure data from the conductive member, or the controller drives a third electrode and extracts third input pressure data from the third electrode.Type: GrantFiled: May 24, 2016Date of Patent: December 11, 2018Assignee: Japan Display Inc.Inventors: Kazuyuki Kobayashi, Hayato Kurasawa, Hiroshi Mizuhashi, Masaya Tamaki, Takeo Koito, Koji Noguchi
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Patent number: 10061459Abstract: The method and device for position detection are disclosed. Corresponding to a first touch related sensing information, a second touch related sensing information is acquired for determining at least one position. Each position is used separately for determining the position of a centroid according to the first touch related sensing information or the second touch related sensing information.Type: GrantFiled: May 23, 2017Date of Patent: August 28, 2018Assignee: EGALAX_EMPIA TECHNOLOGY INC.Inventors: Chin-Fu Chang, Cheng-Han Lee, Chi-Hao Tang, Shun-Lung Ho
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Patent number: 10056028Abstract: A display unit includes a plurality of pixels and a drive circuit. The plurality of pixels each includes a light emitting device, a transistor, and a capacitor. The drive circuit writes an image signal into each of the pixels and thereby performs display drive. The pixels as a whole are dividable into a plurality of pixel groups. The drive circuit performs intermittent stopping of the display drive for the respective pixel groups independently of each other in a still image display period based on the image signal.Type: GrantFiled: November 10, 2016Date of Patent: August 21, 2018Assignee: JOLED Inc.Inventor: Tetsuro Yamamoto
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Patent number: 10049613Abstract: An image processing apparatus, includes: a first storage unit configured to store first correction data reducing brightness unevenness corresponding to a first gradation value; a second storage unit configured to store second correction data reducing brightness unevenness corresponding to a second gradation value which is lower than the first gradation value; and a correction unit configured to correct gradation values, which are not less than the first gradation value, of the input image data, in use of at least the first correction data, and corrects gradation values, which are less than the first gradation value, of the input image data, in use of at least the second correction data.Type: GrantFiled: April 15, 2015Date of Patent: August 14, 2018Assignee: Canon Kabushiki KaishaInventors: Takushi Kimura, Masahiro Kamiyoshihara, Shigeki Kondo, Tatsuro Yamazaki
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Patent number: 10043445Abstract: Provided are a pixel driving circuit, driving method thereof, and a display apparatus.Type: GrantFiled: June 18, 2015Date of Patent: August 7, 2018Assignees: BOE TECHNOLOGY GROUP CO., LTD., CHENGDU BOE OPTOELECTRONICS TECHNOLOGY CO., LTD.Inventor: Haigang Qing
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Patent number: 10031593Abstract: Embodiments of the invention provide a human interface device including an inner sphere, wherein the inner sphere has a center point. The human interface device can further include an outer sphere, and the outer sphere may be compressible. The human interface device may also include a plurality of pressure sensors between the inner sphere and the outer sphere for detecting localized compression of the outer sphere, a first three-axis-accelerometer located within the inner sphere, and a second three-axis-accelerometer located within the inner sphere, wherein the first three-axis-accelerometer and the second three-axis-accelerometer-accelerometer are each located at least a predetermined distance from the center point.Type: GrantFiled: December 16, 2011Date of Patent: July 24, 2018Assignee: International Business Machines CorporationInventors: Gherardo Albano, Francesco M. De Collibus, Luca Landi, Claudio Prudenzi
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Patent number: 10031594Abstract: Embodiments of the invention provide a human interface device including an inner sphere, wherein the inner sphere has a center point. The human interface device can further include an outer sphere, and the outer sphere may be compressible. The human interface device may also include a plurality of pressure sensors between the inner sphere and the outer sphere for detecting localized compression of the outer sphere, a first three-axis-accelerometer located within the inner sphere, and a second three-axis-accelerometer located within the inner sphere, wherein the first three-axis-accelerometer and the second three-axis-accelerometer-accelerometer are each located at least a predetermined distance from the center point.Type: GrantFiled: March 8, 2012Date of Patent: July 24, 2018Assignee: International Business Machines CorporationInventors: Gherardo Albano, Francesco M. De Collibus, Luca Landi, Claudio Prudenzi
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Patent number: 10034369Abstract: A display apparatus includes a display panel including a first substrate and a second substrate opposite to the first substrate, the first substrate including a switching element and a pixel electrode electrically connected to the switching element, and a display panel driver including a gate driver which outputs a gate signal to a gate line of the display panel, the gate line electrically connected to the switching element and extending in a first direction, and a data driver which outputs a data signal to a data line of the display panel and including data driving chips, the data line electrically connected to the switching element and extending in a second direction crossing the first direction, where each of the data driving chips includes a chip body, and a stress reliever extending from the chip body in a direction having an acute angle to the first and second directions.Type: GrantFiled: January 19, 2016Date of Patent: July 24, 2018Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Sung-Dong Park, Sang-Hwan Lee, Jae-Hwan Jeon
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Patent number: 9997099Abstract: The inventors found out that in the case of performing a low gray scale display in which a very small amount of current is supplied to a light emitting element, variations in threshold voltages of driving transistors become notable since the gate-source voltage is low. In view of this, the invention provides a display device in which variations in the threshold voltages of the driving transistors are reduced even in the low gray scale display, and a driving method thereof. According to the invention, a gate-source voltage of the driving transistor is set higher in the low gray scale display than that in the high gray scale display. As one mode to achieve this, different power source lines are provided for the low gray scale display and the high gray scale display and their potentials are set to be different.Type: GrantFiled: November 12, 2015Date of Patent: June 12, 2018Assignee: Semiconductor Energy Laboratory Co., Ltd.Inventors: Keisuke Miyagawa, Hajime Kimura
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Patent number: 9990082Abstract: A touch-control display panel includes a common electrode layer, a display electrode layer, and a driving circuit. The common electrode layer include a plurality of stripe-shaped electrodes disposed in parallel in a first direction, with at least one of the plurality of stripe-shaped electrodes including at least two stripe-shaped sub-electrodes arranged in parallel in the first direction. The display electrode layer is disposed opposite to the common electrode layer, and the driving circuit is configured for driving the plurality of stripe-shaped electrodes. In a display stage, the plurality of stripe-shaped electrodes operate as common electrodes, and the driving circuit provides common voltage signals to the stripe-shaped electrodes. In a touch-control stage, the plurality of stripe-shaped electrodes operate as touch-control electrodes, and the driving circuit provides touch-control driving signals to the stripe-shaped electrodes.Type: GrantFiled: May 24, 2016Date of Patent: June 5, 2018Assignees: SHANGHAI AVIC OPTO ELECTRONICS CO., LTD., TIANMA MICRO-ELECTRONICS CO., LTD.Inventor: Huijun Jin
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Patent number: 9977502Abstract: Techniques are described herein to assist users to operate non-physical controls in situations where the users are unable to visually locate the controls. According to one embodiment, the device containing the non-physical controls is designed to give non-visual feedback to the user based, at least on part, on the distance between (a) the current position of user input, and (b) the location of the non-physical control. At least one characteristic of the non-visual feedback changes as that distance changes.Type: GrantFiled: June 20, 2016Date of Patent: May 22, 2018Assignee: APPLE INC.Inventor: Amir C. Djavaherian
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Patent number: 9966026Abstract: A GOA substrate includes GOA circuit units connected in cascade. The GOA circuit unit includes an output module, a reset module, a latch module, and an input module. The output module is used for outputting the scan signal based on a trigger signal. The reset module is used for resetting the trigger signal based on the reset signal. The latch module is used to hold and pull down the electric potential of the trigger signal. The input module is used for receiving the scan signal outputted by the previous stage GOA circuit unit. The input module includes a first CMOS transmission gate and a first transistor. The input module can lower the equivalent on-resistance of the transistor, elevate the drive current between the input terminal and the output terminal, so to increase level transmission speed, lower drive power loss of the transistor and improve the stability of the circuit.Type: GrantFiled: December 23, 2015Date of Patent: May 8, 2018Assignee: Wuhan China Star Optoelectronics Technology Co., Ltd.Inventor: Mang Zhao
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Patent number: 9965028Abstract: Provided is a method for proximity sensing in an interactive display and a method of processing a proximity sensing image. The method for proximity-sensing may include suspending, in a three-dimensional (3D) space, at least one hand of a user to manipulate at least one of a viewpoint of the user and a position of a virtual object displayed on a screen, and changing the virtual object by manipulating at least one of the position of the virtual object and the viewpoint of the user based on the suspending.Type: GrantFiled: April 6, 2011Date of Patent: May 8, 2018Assignee: Samsung Electronics Co., Ltd.Inventors: Byung In Yoo, Du Sik Park, Chang Kyu Choi
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Patent number: 9940589Abstract: Embodiments of the invention include a virtual reality system that includes an instrumented device used to present a virtual shopping environment to a simulation participant. The participant's interactions with the virtual shopping environment may be used to conduct market research into the consumer decision making process. The virtual shopping environment may include one or more smart objects configured to be responsive to participant interaction. The virtual shopping environment may recreate a real-world shopping environment.Type: GrantFiled: December 29, 2007Date of Patent: April 10, 2018Assignee: RED DOT SQUARE SOLUTIONS LIMITEDInventor: Mark Edwards
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Patent number: 9927476Abstract: A position sensor comprises first and second electrodes that generally extend in a first direction and are arranged in a pattern that defines a sensitive area, the second electrodes interleaved with the first electrodes in a second direction. The first electrodes comprise first, second, and third groups of elements, elements in the first, second, and third groups being connected to each other but not to elements in another group. The elements have shapes configured for adjacent elements in the first and second groups to co-extend in the first direction over a first portion of the sensitive area and to provide ratiometric capacitive signals with respect to each other in the first direction, and adjacent elements in the second and third groups to co-extend in the first direction over a second portion of the sensitive area and to provide ratiometric capacitive signals with respect to each other in the first direction.Type: GrantFiled: December 30, 2013Date of Patent: March 27, 2018Assignee: Atmel CorporationInventors: Harald Philipp, Luben Hristov
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Patent number: 9910488Abstract: A motion guide display device includes a head-mountable image display device that displays an image, a camera that takes a self image from a first person perspective, an image display processing unit that displays a reference image from a first person perspective as a following target and the self image at the display unit alternately in a time-dividing manner under the condition generating a blending feeling, and a display mode setting unit that lets the image display processing unit operate within the range of cycles (frequencies) and self-other ratios as the condition generating a blending feeling. This can bring the blending feeling with the reference image, and can support the continuation of spontaneous following motion.Type: GrantFiled: April 18, 2013Date of Patent: March 6, 2018Assignee: Japan Science and Technology AgencyInventors: Taro Maeda, Hideyuki Ando, Hiroyuki Izuka, Tomoko Yonemura, Daisuke Kondo, Takumi Yokosaka
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Patent number: 9905183Abstract: The present disclosure provides a gate driver circuit, which cascades each even-numbered stage GOA circuit; corresponding to said odd-numbered stage GOA provides an odd-numbered stage scan signal, and odd-numbered stage startup signal, an odd-numbered stage timing signal; corresponding to said even-numbered stage GOA circuit provides an even-numbered stage scan signal, an even-numbered stage startup signal, an even-numbered stage timing signal; through controlling the potential of odd-numbered stage scan signal and even-numbered stage scan signal, coordinating with odd-numbered stage startup signal and even-numbered stage startup signal with different timing, it can control odd-numbered stage GOA circuit and even-numbered stage GOA circuit to respectively carry on forward scanning or reverse scanning. The present disclosure also provides a display device applying said gate driver circuit.Type: GrantFiled: January 19, 2016Date of Patent: February 27, 2018Assignee: Wuhan China Star Optoelectronics Technology Co., LtdInventor: Shangcao Cao