Patents Examined by Abhishek Sarma
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Patent number: 11967170Abstract: Disclosed is a biometric information acquisition system and a processing method thereof. The biometric information acquisition system comprises a transparent substrate; a light source; a photoelectric conversion device, which is located at one side of the transparent substrate with the light source, receives light reflected by the transparent substrate and generates electrical signals; a processing device for obtaining biometric information based on the electrical signals. At least a portion of the transparent substrate is made of flexible material, and fits a predetermined portion of an organism on the other side of the transparent substrate based on a curved interface, therefore, ambient light incident to the photoelectric conversion device is reduced, an interference caused by the ambient light is reduced, accuracy of acquiring biometric characteristic information is improved.Type: GrantFiled: May 18, 2021Date of Patent: April 23, 2024Assignee: CHIPONE TECHNOLOGY (BEIJING) CO., LTD.Inventors: Zhenghua Lu, Chenlong Man
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Patent number: 11961452Abstract: A display device and a display driving method are disclosed. The display device includes a display panel including gate lines, data lines, and a plurality of subpixels including a plurality of driving transistors, a gate driving circuit configured to apply scan signals to the gate lines, a data driving circuit configured to convert image data into data voltages and apply the data voltages to the data lines, and a timing controller configured to compensate the data voltages applied to the plurality of driving transistors based on a real-time sensing process of characteristic values of the plurality of driving transistors, and control an application of a recovery voltage to at least one driving transistor of the plurality of driving transistors a plurality of times within a blank period of a frame period based on a reference period to reset the at least one driving transistor during the blank period.Type: GrantFiled: June 1, 2023Date of Patent: April 16, 2024Assignee: LG Display Co., Ltd.Inventors: Jeonghyo Park, GeunWoo Lee
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Patent number: 11961844Abstract: A pixel may include a first sub-pixel, a third sub-pixel, and a second sub-pixel arranged in a second direction, and each including an emission area and a non-emission area. Each of the first sub-pixel, the second sub-pixel, and the third sub-pixel may include a pixel circuit including at least one transistor and a storage capacitor, a first alignment electrode disposed on the pixel circuit, a second alignment electrode extending spaced apart from the first alignment electrode, a light emitting element disposed between the second alignment electrode and the first alignment electrode, and including a first end adjacent to the second alignment electrode and a second end adjacent to the first alignment electrode, and a bridge pattern spaced apart from the first alignment electrode and the second alignment electrode, and electrically connected to the storage capacitor.Type: GrantFiled: March 15, 2023Date of Patent: April 16, 2024Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Do Yeong Park, Won Jun Lee, Sung Chul Hong
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Method to integrate time of flight proximity with camera based attention sensing and system therefor
Patent number: 11956535Abstract: A method may include enabling operation of a time of flight (TOF) proximity sensor at an information handling system and initializing execution of a software service. The method may further include receiving, at the software service, an alert signal from the TOF proximity sensor indicating movement proximate to the information handling system. In response to receiving the alert signal, a camera at the information handling system may be configured to capture an image. The image may be analyzed by a vision system coupled to the camera to determine a gaze direction of a user at the information handling system. Operation of the information handling system may be configured based on the gaze direction.Type: GrantFiled: July 27, 2022Date of Patent: April 9, 2024Assignee: Dell Products L.P.Inventor: Karun Palicherla Reddy -
Patent number: 11948517Abstract: A display device includes a display panel and a drive controller. The drive controller classifies an input image signal into a first image signal and a second image signal. The drive controller generates a data histogram by classifying the second image signal based on a plurality of gray levels and selects a first algorithm or a second algorithm based on a number of second image signals included in a part of the plurality of gray levels of the data histogram. The second algorithm calculates a second result value based on a first result value obtained based on the second image signal and a preset kernel matrix, and the drive controller outputs a first data signal corresponding to the second pixel unit in the second display region based on the second result value when the second algorithm is selected.Type: GrantFiled: May 3, 2023Date of Patent: April 2, 2024Assignee: SAMSUNG DISPLAY CO., LTD.Inventor: Deokhwa Woo
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Patent number: 11941101Abstract: A fingerprint unlocking method and a terminal are provided. The method may be applied to a terminal having an in-screen fingerprint detection function. When the terminal is in a screen-locked state, the terminal determines whether an operation of a user meets a preset condition. If the operation of the user meets the preset condition, a fingerprint recognition identifier is displayed on a touch display screen of the terminal. A display area of the fingerprint recognition identifier is an area in which fingerprint recognition can be performed. The method resolves a problem that the user cannot perform fingerprint unlocking because the user cannot see a position of a fingerprint detector.Type: GrantFiled: March 8, 2023Date of Patent: March 26, 2024Assignee: HUAWEI TECHNOLOGIES CO., LTD.Inventors: Jin Zhou, Xi Zhang
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Patent number: 11941171Abstract: An eye gaze tracking method, apparatus and system are provided, which belong to the technical field of image processing. The eye gaze tracking method includes: capturing, by at least two cameras, frames of facial images when a viewer views display screen; segmenting a current frame of facial image with pre-trained eye detection model to obtain an image for left and right eyes; calculating a similarity between the current frame of facial image and each of previous N frames of facial images; if the similarity between the current frame of facial image and each of previous N frames of facial images is less than the preset threshold, detecting a position on display screen at which the eyes of the viewer gaze with pre-trained eye detection model. Embodiments of the present disclosure can improve accuracy and efficiency of eye gaze tracking.Type: GrantFiled: May 28, 2021Date of Patent: March 26, 2024Assignee: BOE Technology Group Co., Ltd.Inventors: Menglei Zhang, Jiankang Sun, Guixin Yan, Yaoyu Lv, Yachong Xue, Xinkai Li
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Patent number: 11930304Abstract: This invention provides an improved display system and method that is created by adjusting the properties of one or more displays to obtain coarse control over display behavior, by using sensors to optimize display parameters. The display is further improved by constructing a display map by selectively driving the display and sensing the optical image created. Furthermore, the sensors are used to ensure that the resulting optimized display meets target quality measurements over time, potentially taking into account ambient conditions. The system reports on status, and can predict when it no longer meets a quality target. It is able to optimize a display system and keep it optimized over time. Individual displays with the display system can have operating points that are matched to each other. Corrections to the input image signal, delivering improved display system performance, are minimized, and therefore, unwanted artifacts of those changes can be minimized.Type: GrantFiled: January 30, 2023Date of Patent: March 12, 2024Assignee: Scalable Display Technologies, Inc.Inventors: Rajeev J. Surati, Samson J. Timoner, Kevin Amaratunga, Thomas F. Knight, Jr.
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Patent number: 11915630Abstract: A display apparatus includes: a display panel including a first region and a second region; a controller to process source data and to generate an image signal; a timing controller to generate a driving signal for driving the display panel based on the image signal; and a cable connected to the display panel and to transmit the driving signal to the display panel. The controller transmits, to the timing controller, a pattern image signal for displaying a pattern image on the first and the second regions in a sequential manner; and determines a connection state of the cable based on (i) a first current value, which is output based on the pattern image displayed in the first region and (ii) a second current value, which is output based on the pattern image displayed in the second region.Type: GrantFiled: May 16, 2023Date of Patent: February 27, 2024Assignee: SAMSUNG ELECTRONICS CO., LTD.Inventor: Sungjin Lim
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Patent number: 11917918Abstract: Fingerprint identification modules, methods for forming the fingerprint identification modules and electronic devices are provided. The method may include providing a substrate, containing a signal process circuit formed therein; providing a carrier substrate; forming one or more piezoelectric transducers on the carrier substrate, wherein a piezoelectric transducer of the one or more piezoelectric transducers includes a first electrode, a piezoelectric layer on the first electrode and a second electrode on the piezoelectric layer; forming a permanent bonding layer, containing one or more cavities, on one of the carrier substrate and the substrate; bonding the carrier substrate with the substrate using the permanent bonding layer, wherein the permanent bonding layer is between the one or more piezoelectric transducers and the substrate, and each piezoelectric transducer covers one cavity; and removing the carrier substrate.Type: GrantFiled: March 9, 2021Date of Patent: February 27, 2024Assignee: NINGBO SEMICONDUCTOR INTERNATIONAL CORPORATIONInventors: Hu Shi, Mengbin Liu, Yanghui Xiang
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Patent number: 11915511Abstract: An information processing system is configured to acquire noncontact information indicating at least one of noncontact fingerprint information and iris information of an authentication subject. Subsequently, the information processing system is configured to acquire biological information used for a collation of the authentication subject, which is recorded in advance and associated with the noncontact information.Type: GrantFiled: July 1, 2020Date of Patent: February 27, 2024Assignee: NEC CORPORATIONInventors: Fumi Irie, Misuzu Shingai, Honami Kokubo, Takeo Tamura, Koui Norimatsu, Kenichi Izumo, Yoshitaka Yoshimura
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Patent number: 11908223Abstract: A display device includes a display panel; a metal plate and a filling member disposed on a same layer on a bottom surface of the display panel and that include different materials; a fingerprint sensor disposed on a bottom surface of the filling member and that overlaps the filling member; and a member-sensor bonding member disposed between the fingerprint sensor and the filling member and that bonds the fingerprint sensor to the filling member. At least a part of a side surface of the filling member and a side surface of the metal plate are spaced apart from each other with an air gap therebetween.Type: GrantFiled: June 29, 2021Date of Patent: February 20, 2024Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Kwang Hyun Baek, Ji Hun Ryu, Chang Min Park, Jeong An Hong
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Patent number: 11893922Abstract: A shift register, a gate drive circuit and a display panel. The shift register includes: a first input module, a second input module, a first output module, a second output module, a first output control module and a second output control module, the first input module is configured to control the potential of a first node according to a first start signal and a first clock signal; the second input module is configured to control the potential of a second node according to a second start signal and the first clock signal; the first output control module is configured to control the potential of the second node; the first output module is configured to transmit a first potential signal or a second potential signal to a first output terminal of the shift register according to the potential of the first node and the potential of the second node.Type: GrantFiled: June 22, 2023Date of Patent: February 6, 2024Assignee: YUNGU (GU'AN) TECHNOLOGY CO., LTD.Inventors: Enqing Guo, Cuili Gai, Ling Wang, Junfeng Li
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Patent number: 11893823Abstract: An electronic device includes a display screen, a first lens module, a fingerprint sensor, and a first driving mechanism. The first lens module, the fingerprint sensor, and the first driving mechanism are disposed close to a non-display surface of the display screen. The fingerprint sensor is configured to receive an optical signal transmitted through the display screen and the first lens module to collect fingerprint information. The first driving mechanism is configured to drive the first lens module to move, so as to change a fingerprint information collection area of the fingerprint sensor.Type: GrantFiled: February 10, 2022Date of Patent: February 6, 2024Assignee: GUANGDONG OPPO MOBILE TELECOMMUNICATIONS CORP., LTD.Inventor: Yuhu Jia
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Patent number: 11892649Abstract: Improved systems ensuring an accuracy of eye gaze measurements in an augmented reality head-mounted wearable device include a radiation direction rerouter (e.g., a partial retroreflector) configured to adjust an angle of incidence of the radiation in the waveguide at a first surface of a waveguide to produce radiation directed at an adjusted angle of incidence at an outcoupler such that the output direction is essentially parallel to the gaze angle of the user's eye. For example, a partial retroreflector may be disposed on a surface of the waveguide opposite the outcoupler provides an additional reflection so that the gaze angle of the user's eye is matched to an angle of an image of the eye pupil onto a world-facing radiation detector (e.g., a camera).Type: GrantFiled: April 7, 2023Date of Patent: February 6, 2024Assignee: Google LLCInventors: Daniel Adema, Timothy Paul Bodiya
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Patent number: 11882755Abstract: A display device having a photosensing function is provided. A display device having a biometric authentication function typified by fingerprint authentication is provided. A display device having a touch panel function and a biometric authentication function is provided. The display device includes a first substrate, a light guide plate, a first light-emitting element, a second light-emitting element, and a light-receiving element. The first substrate and the light guide plate are provided to face each other. The first light-emitting element and the light-receiving element are provided between the first substrate and the light guide plate. The first light-emitting element has a function of emitting first light through the light guide plate. The second light-emitting element has a function of emitting second light to a side surface of the light guide plate.Type: GrantFiled: March 31, 2020Date of Patent: January 23, 2024Inventors: Daisuke Kubota, Ryo Hatsumi, Taisuke Kamada, Yuji Iwaki, Junpei Momo, Shunpei Yamazaki
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Patent number: 11875591Abstract: A fingerprint identification module includes a light guiding member, a flexible circuit board, two light emitting members, and a fingerprint identification chip. The light guiding member includes a bottom and a protruding edge. The protruding edge surrounds to form a first space. A first through-hole is formed on the bottom. The flexible circuit board is disposed in the first space and has a first portion, a second portion, a third portion, and a fourth portion connected in sequence. The first portion goes out of the light guiding member through the first through-hole. The third portion faces a direction opposite to the bottom. The second portion and the fourth portion face the bottom of the light guiding member. The light emitting members are disposed on the flexible circuit board and face the light guiding member. The fingerprint identification chip is disposed on the third portion of the flexible circuit board.Type: GrantFiled: August 9, 2022Date of Patent: January 16, 2024Assignee: MIYABI TECHNOLOGY CO., LTD.Inventors: Hsien-Ming Lee, Tsung-Yi Lu
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Patent number: 11869270Abstract: A sensing device includes a first substrate, a first sensing element, a first light-shielding layer, a second light-shielding layer and an insulating layer. The first sensing element is disposed on the first substrate. The first light-shielding layer is disposed on the first sensing element and has a first opening, wherein the first opening is completely overlapped with the first sensing element. The second light-shielding layer is disposed on the first light-shielding layer and includes an upper light-shielding part and a lateral light-shielding part, wherein the upper light-shielding part is overlapped with the first light-shielding layer and has a second opening, and the lateral light-shielding part is separated from the upper light-shielding part. The insulating layer is disposed between the first light-shielding layer and the second light-shielding layer, and the lateral light-shielding part covers a sidewall of the insulating layer.Type: GrantFiled: April 7, 2023Date of Patent: January 9, 2024Assignee: AUO CorporationInventors: Shuo-Hong Wang, Yang-En Wu, Shih-Hsing Hung, Chao-Chien Chiu
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Patent number: 11868551Abstract: Methods and systems for providing computer implemented services using user input are disclosed. To obtain the user input, a human interface device may be used. Interpretation of actuation of the human interface device may be customized to the types of actuations that users are able to perform. To customize the types of the actuations, users may perform actuations of the human interface device for various types of user input to establish associations between the actuations and the user input. The associations may be used to train an inference model usable to identify user input based on performed actions of the human interface device.Type: GrantFiled: March 9, 2023Date of Patent: January 9, 2024Assignee: Dell Products L.P.Inventors: Gerald Rene Pelissier, Michiel Sebastiaan Emanuel Petrus Knoppert, Loo Shing Tan, Thomas Marcus Hinskens
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Patent number: 11868538Abstract: In one aspect, an example method includes (i) receiving, by a computing system and from an input device associated with the computing system, a command to map a customized gesture with a particular action of a plurality of actions that a media player is configured to perform; (ii) in response to receiving the command, monitoring, by the computing system and using a camera, a viewing environment of the media player to detect performance by a person of the customized gesture; and (iii) in response to detecting performance of the customized gesture: generating, by the computing system, a classification for use by the computing system for detecting the customized gesture, and storing, by the computing system, in memory, mapping data that correlates the detected customized gesture with the particular action.Type: GrantFiled: October 25, 2022Date of Patent: January 9, 2024Assignee: Roku, Inc.Inventors: Michael Cutter, Sunil Ramesh, Karina Levitian