Patents Examined by Chad Dicke
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Patent number: 9857921Abstract: A capacitive input device processing system comprises input signal correction circuitry. The input signal correction circuitry includes an amplifier, a correction signal generator, and a charge collection mechanism. The amplifier is configured to receive a combination signal. The combination signal comprises a resulting signal from a sensor element and a correction charge. The correction signal generator is configured to generate a correction signal. The charge collection mechanism is configured to accumulate the correction charge from the correction signal.Type: GrantFiled: May 13, 2011Date of Patent: January 2, 2018Assignee: Synaptics IncorporatedInventors: Vivek Pant, Shahrooz Shahparnia, Adam Schwartz
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Patent number: 9851805Abstract: One illustrative system disclosed herein includes a processor configured to: receive a signal; determine a haptic effect based at least in part on the signal; and transmit a haptic signal associated with the haptic effect. The system further includes a haptic output device in communication with the processor and coupled to a holder, wherein the holder is configured to mechanically couple with an electronic device. The haptic output device is configured to receive the haptic signal and output the haptic effect.Type: GrantFiled: December 24, 2014Date of Patent: December 26, 2017Assignee: Immersion CorporationInventors: Vincent Levesque, Juan Manuel Cruz-Hernandez, Abdelwahab Hamam
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Patent number: 9830866Abstract: According to an aspect, a display device includes an image display panel; a planar light source including a light guide plate and an edge-lit light source that has light sources; and a controller. The controller sets luminance determination blocks by virtually dividing the image display panel in a light-source-arrangement-direction, identifies a luminance determination block with a highest luminance in the incidence direction, among luminance determination blocks at a same position in the light-source-arrangement-direction, identifies a luminance determination block the luminance of which is to be corrected by referring to luminance information of the light sources, and controls a light quantity of each of the light sources in such a manner that luminance of the identified luminance determination block is achieved.Type: GrantFiled: January 11, 2017Date of Patent: November 28, 2017Assignee: Japan Display Inc.Inventors: Naoyuki Takasaki, Tsutomu Harada, Susumu Kimura, Fumitaka Gotoh
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Patent number: 9798381Abstract: The present invention describes a hands-free system for controlling the movement of a cursor on one or more display devices. A tracking device including a traceable marker and one or more accelerometers and gyroscopes are used to track position and acceleration of the marker relative to a target of interest. A processing means processes the motion signals from the tracking device to determine the location of the cursor on the operator's monitor, which may also be displayed on more monitors. The tracking device is worn by the operator, optimally on the operator's head. The operator's head movements determine movement of the cursor.Type: GrantFiled: November 20, 2009Date of Patent: October 24, 2017Assignee: London Health Sciences Centre Research Inc.Inventors: Christopher M. Schlachta, Rajnikant V. Patel, Ana Luisa Trejos, Michael David Naish
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Patent number: 9798425Abstract: Disclosed is a capacitive in-cell touch panel, which includes a substrate and a black matrix disposed on the substrate. The capacitive in-cell touch panel further includes a first capacitive touch layer, an insulation layer, and a second capacitive touch layer. The first capacitive touch layer is formed on the black matrix. The insulation layer is formed on the first capacitive touch layer. The second capacitive touch layer is formed on the second capacitive touch layer and is stacked on and intersects the first capacitive touch layer in a grid form. Also disclosed is a display device.Type: GrantFiled: December 10, 2014Date of Patent: October 24, 2017Assignee: Shenzhen China Star Optoelectronics Technology Co., Ltd.Inventor: Xiangyang Xu
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Patent number: 9798409Abstract: A force-sensitive input device for receiving user input. The input device can include a contact (e.g., touch) sensor and a plurality of force sensors. By combining the information from a multi-touch event with information from each of the plurality of force sensors, a contact centroid and a force centroid can be determined. Thereafter, by projecting a vector defining the force applied to the input device onto a vector defined between the contact centroid and an individual contact location, a magnitude of force applied at that contact location can be approximated.Type: GrantFiled: March 4, 2015Date of Patent: October 24, 2017Assignee: Apple Inc.Inventors: Nicole M. Wells, Wayne C. Westerman
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Patent number: 9779665Abstract: A gate driver for a display device and a display device including the same are disclosed. In one aspect, the gate driver includes first through N-th scan drivers configured to respectively output first through N-th scan signals, where N is an integer greater than 1. The gate driver also includes first through N-th sensing drivers configured to respectively output first through N-th sensing signals, wherein an M-th one of the first through N-th sensing drivers is configured to activate an M-th one of the first through N-th sensing signals K times during an active period of an (M+1)-th one of the first through N-th scan signals, where M is an integer greater than 0 and less than N and K is an integer greater than 1.Type: GrantFiled: August 26, 2015Date of Patent: October 3, 2017Assignee: Samsung Display Co., Ltd.Inventors: Jun-Yong Song, Oh-Jo Kwon, Ji-Woong Kim, Choong-Sun Shin, Hee-Sun Ahn
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Patent number: 9779678Abstract: A touch detecting function display apparatus includes a plurality of common driving electrodes, a display element performing display, a touch detection element detecting an external approaching object, and a scanning driving unit performing first scanning driving for sequentially applying a display driving signal to the plurality of common driving electrodes in a time division manner and second scanning driving for sequentially applying a touch detection driving signal to the plurality of common driving electrodes in a time division manner, wherein the scanning driving unit performs the second scanning driving at a scanning speed higher than that of the first scanning driving, and applies the display driving signal to an overlapping common driving electrode when the common driving electrode selected as a target of the first scanning driving overlaps with the common driving electrode selected as a target of the second scanning driving.Type: GrantFiled: April 14, 2015Date of Patent: October 3, 2017Assignee: Japan Display Inc.Inventors: Hiroshi Mizuhashi, Takayuki Nakanishi
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Patent number: 9767766Abstract: A display apparatus includes: a display panel including a first display area and a second display area; a first timing controller to control an operation of the first display area, generate a first reference clock signal, generate a first internal reference clock signal based on the first reference clock signal, and generate a first synchronization clock signal based on the first internal reference clock signal; and a second timing controller to control an operation of the second display area, receive the first reference clock signal, generate a second internal reference clock signal based on the first reference clock signal, and generate a second synchronization clock signal based on the second internal reference clock signal, wherein the first and second timing controllers are to be synchronized with each other based on the first reference clock signal, and exchange first data based on the first and second synchronization clock signals.Type: GrantFiled: May 29, 2015Date of Patent: September 19, 2017Assignee: Samsung Display Co., Ltd.Inventors: Kwan-Young Oh, Sil-Yi Bang, Sang-Su Han, Jin-Hyun Ko, Jin-Kyu Park, Jae-Ho Choi
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Patent number: 9769442Abstract: A method for displaying information on a screen includes modifying tone values to compress the tone of a main image; projecting by a first projector the main image with compressed tones generated with a first polarization component; modifying tone values of a sub-image for correcting tones of the sub-image; generating a correction image; and projecting by a second projector the correction image with a second polarization component different from the first polarization component over the main image projected by the first projector such that the main image is buried by an overlapped projection of the main image and the correction image generated by using the sub-image and an offset value to provide the sub-image to a viewer with a naked eye and to provide the main image to another viewer with a polarizer.Type: GrantFiled: July 21, 2016Date of Patent: September 19, 2017Assignee: NEC DISPLAY SOLUTIONS, LTD.Inventors: Akihiko Shirai, Kazuhisa Yanaka, Takeru Utsugi
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Patent number: 9761193Abstract: A liquid crystal display (LCD) includes: a display panel including a plurality of pixels connected to a gate line, a data line, and a reference voltage line to which a common voltage is applied; a data driver connected to the data line and configured to apply a data voltage to the data line; a gate driver connected to the gate line and configured to apply a gate voltage to the gate line; a reference voltage generator connected to the reference voltage line and configured to apply a reference voltage to the reference voltage line; and a signal controller configured to control the data driver, the gate driver, and the reference voltage generator, and output a signal to the reference voltage generator for changing the reference voltage applied to the pixels, wherein the reference voltage is changed according to a gray-level value of an image data.Type: GrantFiled: August 26, 2015Date of Patent: September 12, 2017Assignee: Samsung Display Co., Ltd.Inventors: Hoon Kim, Jae Hoon Jung, Ki Chul Shin, Jae Jin Lyu
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Patent number: 9747826Abstract: A method of operating a display device includes operating a timing controller in a normal mode. The timing controller generates a driving signal of a display panel in response to input data signal in the normal mode. The method includes operating the timing controller in a panel self-refresh mode. The timing controller generates the driving signal based on stop image data stored in a frame buffer in response to a first panel self-refresh start command in the panel self-refresh mode. The method includes inputting a second panel self-refresh start command to the timing controller during a synchronization procedure. The timing controller changes an operation mode from the panel self-refresh mode to the normal mode in response to a panel self-refresh end command in the synchronization procedure. The method includes controlling luminance of the display panel, by the timing controller, based on a length of a first vertical blank period.Type: GrantFiled: May 29, 2015Date of Patent: August 29, 2017Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Jong-Jin Lee, Jin-Kyu Park
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Patent number: 9741290Abstract: Methods and apparatuses are provided for a multi-mode display. In one embodiment, a multi-mode display comprises an array of light sensing and emitting units (LSEUs), a decoder configured to generate addresses for accessing one or more LSEUs in the array of LSEUs, and a controller configured to control the array of LSEUs using the addresses, where each LSEU in the array of LSEUs comprises a light sensing and emitting component (LSEC), an emitting circuit configured to generate light using the LSEC, and a sensing circuit configured to detect light using the LSEC.Type: GrantFiled: September 8, 2016Date of Patent: August 22, 2017Assignee: SecuGen CorporationInventors: Dong Won Lee, Jae Hyeong Kim, Jae Ho Kim, Ye Seon Lee
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Patent number: 9733825Abstract: A method can include identifying at least one radical of a plurality of East Asian characters based at least in part on stroke information received via a touch-sensitive display; ranking individual East Asian characters of the plurality of East Asian characters according to their individual frequencies in a corpus; and rendering at least a portion of the ranked individual East Asian characters to the touch-sensitive display.Type: GrantFiled: November 5, 2014Date of Patent: August 15, 2017Assignee: Lenovo (Singapore) Pte. Ltd.Inventors: Ming Qian, Jian Li, Jianbang Zhang, Song Wang, Geoffrey Simon Bula
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Patent number: 9704427Abstract: The disclosure discloses a method and device for adjusting grayscale brightness and a 3D display device. In the present disclosure, an initial gray level and a target gray level are determined, and it is determined whether the target gray level is too low or too high, so that it is determined whether over-voltage driving can be applicable, and in the case that it is not appropriate to adjust grayscale brightness through over-voltage driving, a backlight brightness adjustment table is searched, and backlight brightness is adjusted up or down using a found adjustment parameter to thereby adjust the grayscale brightness so as to reduce crosstalk in liquid crystal display.Type: GrantFiled: May 28, 2015Date of Patent: July 11, 2017Assignees: HISENSE ELECTRIC CO., LTD., HISENSE USA CORPORATION, HISENSE INTERNATIONAL CO., LTD.Inventors: Shunming Huang, Yuxin Zhang, Jia Yang, Jie Yang
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Patent number: 9685117Abstract: A display device, a driving control device of the display device, and a driving control method are disclosed. In one aspect, the display device comprises a display unit consisting of a plurality of pixels including a light emitting element emitting light according to a driving current corresponding to a data signal; a scan driver transmitting a scan signal through a plurality of scan lines; a data driver transmitting a data signal through a plurality of data lines; a power supply unit supplying a driving voltage to drive a plurality of pixels through a power source wire; and a driving controller connected to the power source wire, obtaining an actual output voltage value of the driving voltage output from the power source voltage supply unit, and compensating a deviation of the driving voltage in a process step by using the actual output voltage value.Type: GrantFiled: February 18, 2016Date of Patent: June 20, 2017Assignee: Samsung Display Co., Ltd.Inventors: Dong-Woo Lee, Wook Lee
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Patent number: 9679529Abstract: In a display device including a driver that drives a load line of an electro-optical panel through capacitor charge redistribution, a data voltage will change in the case where an electro-optical panel-side capacitance changes, even when tone data is the same. Accordingly, by detecting a voltage at a data voltage output terminal, a connection state and outputs between the data voltage output terminal and the electro-optical panel can be detected.Type: GrantFiled: September 30, 2015Date of Patent: June 13, 2017Assignee: SEIKO EPSON CORPORATIONInventor: Akira Morita
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Patent number: 9665162Abstract: A touch input determining method applied to an electronic apparatus with a touch sensing device, which comprises: (a) determining a size for a region of the touch sensing device that an object provides at least one touch input to; (b) if the size is larger than or equals to a first predetermined value, not determining the touch input is a valid touch input; and (c) if the size is smaller than or equals to a second predetermined value, not determining the touch input is a valid touch input, wherein the second predetermined value is smaller than the first predetermined value.Type: GrantFiled: January 26, 2015Date of Patent: May 30, 2017Assignee: HTC CorporationInventors: Hsin-Ti Chueh, Chia-Wei Chen, Ssu-Po Chin, Abhishek Saxena, Sheng-Yang Pan, Chien-Lung Chou, Chun-Hao Fan
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Patent number: 9640114Abstract: A device includes a matrix of active pixels. Each active pixel includes an OLED and a control circuit configured to refresh the active pixel and including at least one transistor having a first conduction terminal coupled to a supply line and a second conduction terminal coupled to the OLED. Supply circuitry is configured to apply a supply voltage to the supply line of each active pixel during the refreshing of the active pixel and for a time period less than a duration of the refreshing of the active pixel.Type: GrantFiled: May 29, 2015Date of Patent: May 2, 2017Assignee: STMicroelectronics International N.V.Inventors: Jerome Nebon, Christophe Forel
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Patent number: 9640146Abstract: A self refresh method with dithering has at least the following steps: generating a plurality of original frames; performing a dithering process upon the plurality of original frames to generate a plurality of dithering frames to a timing controller; checking if the plurality of original frames is unaltered; and when it is detected that the plurality of original frames is unaltered, requesting the timing controller to enter a self refresh mode, and stopping transmission of dithering frames after transmitting a specific frame and dithering information associated with the specific frame to the timing controller for further dithering processing.Type: GrantFiled: September 4, 2013Date of Patent: May 2, 2017Assignee: HIMAX TECHNOLOGIES LIMITEDInventor: Chi-Cheng Chiang