Patents Examined by Wing H Chow
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Patent number: 11450244Abstract: A display apparatus includes a frame, a first display screen and a second display screen. The frame includes at least one base assembly and a frame body fixed on the at least one base assembly. The first display screen and the second display screen are arranged in a first direction and fixed within the frame body. The first direction is a height direction of the frame.Type: GrantFiled: August 6, 2020Date of Patent: September 20, 2022Assignee: BEIJING BOE TECHNOLOGY DEVELOPMENT CO., LTD.Inventors: Zifeng Wang, Lei Shao, Bin Shen
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Patent number: 11393891Abstract: A display device includes a display substrate, a main circuit board, and first and second connection circuit boards. The display substrate includes a base layer, an insulating layer on the base layer, a first signal line on the base layer, a second signal line on the base layer, a first pad exposed from the insulating layer and connected to the first signal line, and a second pad connected to a side surface of the second signal line and disposed on a side surface and a bottom surface of the base layer. The first connection circuit board electrically connects the first pad and the main circuit board, and the second connection circuit board electrically connects the second pad and the main circuit board.Type: GrantFiled: February 5, 2020Date of Patent: July 19, 2022Assignee: Samsung Display Co., Ltd.Inventors: Joonho Oh, Seungjae Kang, Myung-Seok Kwon, Yun-Tae Kim, Jin-Ki Kim, Hasook Kim
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Patent number: 11379070Abstract: Methods, systems, and products sense contactless gestures. A capacitive sensor measures capacitance during performance of a gesture. The capacitive sensor generates an output signal that is compared to a database. The database stores different output signals that are associated to different commands. The corresponding command is executed in response to the performance of the gesture.Type: GrantFiled: June 18, 2018Date of Patent: July 5, 2022Assignee: AT&T Intellectual Property I, L.P.Inventor: Kevin Li
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Patent number: 11262868Abstract: A display panel, a driving method and a touch display device are provided. The display panel includes a display area and a non-display area. The display panel also includes a base substrate, a plurality of sub-pixels located in the display area and arranged in a first direction and a second direction, a plurality of electrode rows extending in the first direction and arranged in the second direction, a plurality of electrode columns arranged in the first direction and extending in the second direction, a plurality of switch units located in the display area, a plurality of first signal lines, a plurality of second signal lines, and a plurality of first driving circuits. In a touch stage, the first driving circuits supply a driving signal to the second signal lines, and the first signal lines transmit a touch detection signal to first electrodes in the electrode rows and columns.Type: GrantFiled: December 19, 2019Date of Patent: March 1, 2022Assignee: Xiamen Tianma Micro-Electronics Co., Ltd.Inventors: Ting Wang, Hongbo Zhou, Huangyao Wu, Xiufeng Zhou
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Patent number: 11244599Abstract: A display device includes a plurality of pixels respectively coupled to first scan lines, second scan lines and data lines; and a scan driver to supply first scan signals to the first scan lines and second scan signals to the second scan lines, wherein the pixel includes a first transistor having a gate electrode connected to a first node, one electrode connected to a first power line, and other electrode connected to a second node; a second transistor having a gate electrode connected to a first scan line, one electrode connected to a data line, and other electrode connected to the first node, the second transistor being turned on in a first time period of a frame when the first scan signal is applied; a third transistor having a gate electrode connected to a second scan line, one electrode connected to the second node, and other electrode connected to an initialization line, the third transistor being turned on in the first time period and at least one second time period of the frame when the second scan siType: GrantFiled: December 18, 2019Date of Patent: February 8, 2022Assignee: Samsung Display Co., Ltd.Inventors: Jun Yong Song, Jeong Kyoo Kim, Jae Keun Lim
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Patent number: 11156868Abstract: A charge release circuit includes a plurality of pixel circuits and at least one photosensitive control circuit, and each photosensitive control circuit is connected to at least one pixel circuit. Each pixel circuit of the at least one pixel circuit includes: a discharge circuit connected to the photosensitive control circuit, and a first capacitor connected to the discharge circuit and configured to store a display driving signal. The photosensitive control circuit is configured to control the discharge circuit to be turned on in a state where a backlight of a display device is turned off to release residual charges in the first capacitor.Type: GrantFiled: March 28, 2019Date of Patent: October 26, 2021Assignees: BEIJING BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.Inventor: Yunqi Wang
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Patent number: 11158234Abstract: A channel circuit of a source driver, including a first digital-to-analog converter (DAC), a second DAC, a first switch, a second switch and an output buffer circuit, is provided. The output terminal of the output buffer circuit is configured to be coupled to a data line of a display panel. An output terminal of the first DAC is coupled to a first input terminal among the input terminals of the output buffer circuit. An output terminal of the second DAC is coupled to a second input terminal among the input terminals of the output buffer circuit. The first switch is disposed along a first signal path between the output terminal of the first DAC and the output terminal of the output buffer circuit. The second switch is disposed along a second signal path between the output terminal of the second DAC and the output terminal of the output buffer circuit.Type: GrantFiled: July 22, 2019Date of Patent: October 26, 2021Assignee: Novatek Microelectronics Corp.Inventors: Yen-Cheng Cheng, Hsiu-Hui Yang
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Patent number: 11100847Abstract: A scan driver includes two or more scan signal output circuits (SSOC), each being coupled to a first scan line (FSL) and a second scan line (SSL), and including a driving circuit, a first buffer circuit (FBC), and a second buffer circuit (SBC). The driving circuit applies a first driving signal (DS) to a first driving node (DN) and applies a second DS to a second DN based on an input signal, a clock signal (CS), a display-on signal, and an on-level voltage. The input signal is a scan start signal or a previous scan signal. The FBC outputs a sensing signal to the SSL based on the first DS, the second DS, an off-level voltage, and a sensing CS. The SBC outputs a scan signal to the FSL based on the first DS, the second DS, the off-level voltage, and a scan CS.Type: GrantFiled: February 4, 2020Date of Patent: August 24, 2021Assignee: Samsung Display Co., Ltd.Inventors: Yang Hwa Choi, Sun Kwang Kim, Sang Jin Jeon
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Patent number: 11094768Abstract: An electroluminescence display includes a plurality of sub-pixels, each of the plurality of sub-pixels including a light emission region, and a first circuit region and a second circuit region disposed on respective sides of the light emission region. Power supply lines are configured to supply a first power to at least one of the second circuit regions of the sub-pixels arranged at odd-numbered row and the first circuit regions of the sub-pixels arranged at an even-numbered row. A sensing line is configured to supply an initialization voltage or a sensing voltage to at least one of the first circuit regions of the sub-pixels arranged at the odd-numbered row and the second circuit regions of the sub-pixels arranged in the even-numbered row.Type: GrantFiled: May 15, 2019Date of Patent: August 17, 2021Assignee: LG DISPLAY CO., LTD.Inventors: Jongsik Shim, Byeonguk Gang, Seonghwan Hwang
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Patent number: 11042247Abstract: The logic of a handheld controller system may use a clustering algorithm to determine which sensors of a touch sensor array, such as capacitive pads, to assign to individual fingers of a user's hand. The clustering algorithm disclosed herein allows for dynamically determining the controller configuration on-the-fly for a given user. An example process includes receiving data generated by a plurality of sensors of a touch sensor array of the handheld controller, generating a covariance matrix that indicates correlations between pairs of sensors, determining a plurality of feature vectors based at least in part on the covariance matrix, each feature vector corresponding to an individual sensor and describing that sensor's correlation(s) with one or more other sensors, clustering the feature vectors using a clustering algorithm, and configuring the touch sensor array according to a controller configuration that assigns sensors to respective fingers of a hand.Type: GrantFiled: June 14, 2019Date of Patent: June 22, 2021Assignee: Valve CorporationInventor: Scott Douglas Nietfeld
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Patent number: 11017603Abstract: A method includes pointing an image capture module on a head mounted augmented reality display towards a panel, recognizing fiducial markers on the panel and an interaction area defined by the fiducial markers, recognizing and using a panel identifier to select a graphical user interface, rendering the graphical user interface on the augmented reality display to appear to float in a volume between the head mounted augmented reality display and the interaction area, where at least two of the fiducial markers are configured for defining a position and orientation of the panel with respect to the head mounted augmented reality display, and using the image capture module to recognize a hand, a finger or a predefined detectable object in the volume, where the hand, the finger or the predefined detectable object is directed towards at least one graphical user interface element rendered to appear to float in the volume.Type: GrantFiled: August 14, 2019Date of Patent: May 25, 2021Assignee: Augumenta Ltd.Inventors: Damien Douxchamps, Tero Aaltonen, Peter Antoniac, Harri Kovalainen
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Patent number: 11016623Abstract: A touch sensor panel may be provided that includes a plurality of drive electrodes formed in a first layer; and a plurality of receiving electrodes which are arranged to cross the plurality of drive electrodes and are formed in a second layer. In the plurality of drive electrodes, a column of drive electrodes is formed by connecting a plurality of lozenge-shaped unit electrodes in a column direction, and the drive electrodes of each column are disposed at a regular interval in a row direction. The plurality of receiving electrodes are composed of a line having a predetermined width and are arranged in the row direction in such a way as to pass through a center of the unit electrode. Through this, the touch sensor panel capable of linearly detecting the change of the capacitance is provided, so that touch position can be accurately detected.Type: GrantFiled: June 14, 2018Date of Patent: May 25, 2021Inventor: Jongsik Kim
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Patent number: 11011117Abstract: The present disclosure provides a shift register, a drive method thereof, a drive control circuit, and a display apparatus, the shift register comprises an input sub-circuit (1), a first control sub-circuit (2), a second control sub-circuit (3), a third control sub-circuit (4), a node stabilization sub-circuit (5), a first output sub-circuit (6), and a second output sub-circuit (7).Type: GrantFiled: April 24, 2018Date of Patent: May 18, 2021Assignee: BOE Technology Group Co., Ltd.Inventor: Chengchung Yang
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Patent number: 11011137Abstract: A display device includes a light projection device which projects light including an image onto a reflector reflecting incident light to allow an observer to visually recognize the image included in the light reflected by the reflector as a virtual image, and a control device which causes the light projection device to output first light including a first image in a first case where a surrounding brightness is equal to or greater than a threshold value and causes the light projection device to output second light including a second image in a second case where the surrounding brightness is less than the threshold value.Type: GrantFiled: September 25, 2019Date of Patent: May 18, 2021Assignee: HONDA MOTOR CO., LTD.Inventors: Masafumi Higashiyama, Takuya Kimura, Shinji Kawakami, Tatsuya Iwasa, Yuji Kuwashima
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Patent number: 11011101Abstract: A method of controlling a display device is disclosed including receiving a plurality of sub-pixel values for a target pixel among a plurality of pixels of an image frame, wherein the sub-pixel values of the target pixel comprise red, green, and blue sub-pixel values; calculating a pixel-based boosting ratio corresponding to the target pixel according to the sub-pixel values of the target pixel; and adjusting at least one of a plurality of backlight duties associated with the target pixel and the plurality of sub-pixel values of the target pixel according to the pixel-based boosting ratio.Type: GrantFiled: May 21, 2018Date of Patent: May 18, 2021Assignee: NOVATEK Microelectronics Corp.Inventors: Xiao Zhang, Danyu Fu, Yuanjia Du, Jianhua Liang, Qiqiang Han
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Patent number: 11002960Abstract: A wearable display device for facilitating provisioning of a virtual experience is disclosed. Further, the wearable display device may include a support member configured to be mounted on a user. Further, the wearable display device may include a display device attached to the support member. Further, the wearable display device may include at least one disturbance sensor configured for sensing a disturbance in a spatial relationship between the display device and the user. Further, the wearable display device may include a processing device communicatively coupled with the display device. Further, the processing device may be configured for receiving a display data. Further, the processing device may be configured for analyzing the disturbance in the spatial relationship, and generating a correction data based on the analyzing. Further, the processing device may be configured for generating a corrected display data based on the at least one display data and the correction data.Type: GrantFiled: February 21, 2019Date of Patent: May 11, 2021Assignee: Red Six Aerospace Inc.Inventors: Daniel Augustine Robinson, Nikola Vladimir Bicanic, Glenn Thomas Snyder
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Patent number: 10991293Abstract: The present invention relates to a source driver for a display apparatus, which is capable of removing delay of a DAC (Digital-Analog Converter) and in which a part of gamma lines for providing gamma voltages to the DAC is designed to have a large width and a small resistance value. Before driving a first gamma voltage to a level corresponding to display data, the DAC can select an adjacent gamma line having a small resistance value and drive a second gamma voltage, thereby removing a delay time.Type: GrantFiled: October 3, 2019Date of Patent: April 27, 2021Assignee: Silicon Works Co., Ltd.Inventor: Jae Kwan Lee
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Patent number: 10989958Abstract: A display device includes a display panel in which display pixels including colored pixels of a plurality of colors are arranged, an illumination device including a light source and configured to illuminate the display panel with light, and a control substrate configured to control drive of the display pixels, wherein the control substrate includes a display data generation circuit configured to generate display data for driving the display pixels, based on image data supplied from an external image signal supply source, a detection circuit configured to detect a change in luminance light modulation data for modulating luminance of the light source, supplied from an external image signal supply source, and a display data correction circuit configured to correct the display data, based on an output value of the detection circuit.Type: GrantFiled: March 13, 2020Date of Patent: April 27, 2021Assignee: SHARP KABUSHIKI KAISHAInventor: Akihisa Iwamoto
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Patent number: 10990226Abstract: A method includes receiving, by a device, a request to input information through a virtual canvas, the device includes a projector and a camera, the virtual canvas providing an input space to a user of the device, the virtual canvas includes a region of a blank surface illuminated by the projector, based on the received request, enabling the projector and the camera, detecting a distance between the device and the virtual canvas, based on the detected distance, adjusting the projector and the camera to focus on the virtual canvas, capturing a movement made by an object on the virtual canvas, the movement is associated with the information being input, converting the movement into a plurality of frames, each frame is associated with the movement, processing the plurality of frames to obtain the input information, and projecting the input information on the virtual canvas.Type: GrantFiled: March 8, 2018Date of Patent: April 27, 2021Assignee: International Business Machines CorporationInventors: Shiwen He, Rui Shen, Wen Bao Yin, Dan Dan Wang, Jun Liao
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Patent number: 10984724Abstract: A pixel compensation circuit and an OLED display device are disclosed. Two or more TFTs are controlled by the scanning signal output from the scanning signal line in the same row in the pixel compensation circuit proposed by the present disclosure. Further, the OLED and the storage capacitor are both connected to the reset voltage signal line. So the OLED and the storage capacitor are reset after receiving the reset voltage signal. The size of the pixel structure in the horizontal direction is compressed in the pixel compensation circuit of the present disclosure, thereby providing space for the improvement of the PPI and facilitating the design of the high PPI panel successfully.Type: GrantFiled: July 8, 2019Date of Patent: April 20, 2021Assignee: Wuhan China Star Optoelectronics Semiconductor Display Technology Co., Ltd.Inventors: Wei Wang, Pinquan Xu