Patents Examined by Yuzhen Shen
  • Patent number: 12035600
    Abstract: A display device includes: a substrate; a first electrode on the substrate; a bank layer partially exposing a top surface of the first electrode; a light emitting layer disposed on the partially exposed top surface of the first electrode; a second electrode on the light emitting layer and the bank layer; an inorganic deposition layer on the second electrode; and a thin film encapsulation layer on the inorganic deposition layer, where at a wavelength of about 550 nm, an absorption coefficient (k) of the inorganic deposition layer is less than about 4.
    Type: Grant
    Filed: July 27, 2022
    Date of Patent: July 9, 2024
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Woo Young Kim, Hyeo Ji Kang, Oh Jeong Kwon, Kyeong Jong Kim, Hong Yeon Lee, Sung Gyu Jang, Seung Yeon Jeong
  • Patent number: 12035605
    Abstract: A texture recognition apparatus and a manufacturing method thereof are provided. The texture recognition apparatus includes a base substrate, a light source array and an image sensor array. The light source array is on a side of the base substrate and includes a plurality of light sources; the image sensor array is on a side of the base substrate and includes a plurality of image sensors, the plurality of image sensors are configured to receive light emitted from the plurality of light sources and reflected to the plurality of image sensors by a texture for texture collection; at least part of an photosensitive element of at least one image sensor of the plurality of image sensors is inclined relative to a surface of the base substrate.
    Type: Grant
    Filed: April 15, 2021
    Date of Patent: July 9, 2024
    Assignee: BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Yingming Liu, Xiaoliang Ding, Lei Wang, Yunke Qin
  • Patent number: 12029103
    Abstract: A flexible display apparatus is provided. The flexible display apparatus includes a unitary flexible display panel having a display area, a peripheral area, and a bendable area connecting the display area and the peripheral area, wherein the bendable area includes one or more wire-free portions configured to absorb impact applied on the bendable area; a support sandwiched between the display area and the peripheral area, wherein the support has a first side, a second side facing the first side, and a third side connecting the first side and the second side, the display area is on the first side, the peripheral area is on the second side, and the unitary flexible display panel is bend about the third side; and a driving circuit in the peripheral area and connecting to a plurality of signal lines extending through the bendable area into the display area.
    Type: Grant
    Filed: January 17, 2020
    Date of Patent: July 2, 2024
    Assignee: BOE Technology Group Co., Ltd.
    Inventors: Yonghong Zhou, Libin Liu
  • Patent number: 12029068
    Abstract: A display device includes a display panel in which first holes arranged in a first direction and a second direction that intersects the first direction are defined, and a first panel bottom member which is disposed on one surface of the display panel and in which second holes arranged in the first and second directions are defined. A maximum length of a second hole among the second holes in the first direction satisfies ā€œeƗ(a+c)ā€ where a denotes a maximum length of a first hole among the first holes in the first direction, c denotes a minimum distance between neighboring first holes among the first holes in the first direction, and e is a positive integer.
    Type: Grant
    Filed: September 16, 2021
    Date of Patent: July 2, 2024
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Jae Been Lee, Yi Joon Ahn, Sung Hoon Kim, Eun Kyung Yeon
  • Patent number: 12020503
    Abstract: A fingerprint processing device includes a match processing unit configured to determine, based on a first degree, a plurality of feature points having a large value of the first degree among the feature points of a fingerprint specified in a fingerprint image of a matching source, the first degree representing a first distance to other feature points, as representative feature points used in match processing of the fingerprint.
    Type: Grant
    Filed: March 15, 2023
    Date of Patent: June 25, 2024
    Assignee: NEC CORPORATION
    Inventor: Akira Hirokawa
  • Patent number: 11989381
    Abstract: A display device includes subpixels on a substrate, position code patterns having a predetermined position code shape, when viewed in a plan view, each position code pattern being disposed at a region between at least two adjacent subpixels, and a pixel-defining layer defining a region where each subpixel is disposed and covering the position code patterns. The plurality of position code patterns are formed in a planar code shape and are configured to reflect light incident through the pixel-defining layer.
    Type: Grant
    Filed: September 26, 2022
    Date of Patent: May 21, 2024
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Gi Na Yoo, Ju Yeon Kim, Won Sang Park, Chang Woo Shim, Seong Jun Lee, Dong Hee Choi
  • Patent number: 11990087
    Abstract: A display panel includes a first display area, a second display area, and a transition display area there-between. The first display area includes a plurality of first sub-display areas, the second display area includes a plurality of second sub-display areas, and the transition display area includes at least one sub-transition area. A first sub-display area of the plurality of first sub-display areas, a second sub-display area of the plurality of second sub-display areas and a sub-transition area include a same number of light-emitting elements. Number of pixel circuits for driving each light-emitting element in one of the at least one sub-transition area is greater than number of pixel circuits for driving each light-emitting element in one of the plurality of first sub-display areas and is smaller than number of pixel circuits for driving each light-emitting element in one of the plurality of second sub-display areas.
    Type: Grant
    Filed: August 19, 2022
    Date of Patent: May 21, 2024
    Assignee: Hubei Yangtze Industrial Innovation Center of Advanced Display Co., LTD.
    Inventors: Xiao Chi, Lulu Pan, Shaorong Yu
  • Patent number: 11984053
    Abstract: An inspection circuit in a display device includes: a measuring circuit configured to sweep a voltage to the display device and to measure a current value that flows in a light-emitting element in response to a voltage value applied; a computation circuit configured to compute a first derivative value of the current value with respect to the voltage value, the first derivative value representing voltage dependence of a first derivative of the current value; a peak determination circuit configured to determine a peak of the first derivative value; and a processing circuit configured to process the light-emitting element based on a result of the determination by the peak determination circuit.
    Type: Grant
    Filed: April 8, 2020
    Date of Patent: May 14, 2024
    Assignee: SHARP KABUSHIKI KAISHA
    Inventors: Hirohisa Yamada, Keisuke Kitano, Yusuke Sakakibara
  • Patent number: 11972629
    Abstract: A texture recognition apparatus and an electronic apparatus are provided. The texture recognition apparatus has a touch side surface, and includes a light source array, an image sensor array and a light shielding matrix, the light source array includes a plurality of light sources; the image sensor array includes a plurality of image sensors, the plurality of image sensors are configured to receive light emitted from the plurality of light sources and reflected by a texture to the plurality of image sensors; the light shielding matrix includes a plurality of light shielding patterns arranged in an array, each of the plurality of image sensors includes a photosensitive element; the plurality of light sources do not overlap with the plurality of light shielding patterns, a photosensitive element of each of the plurality of image sensors at least partially overlaps with at least one or the plurality of light shielding patterns.
    Type: Grant
    Filed: May 25, 2021
    Date of Patent: April 30, 2024
    Assignee: BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Xiaoquan Hai, Xue Dong, Lei Wang, Yingzi Wang, Xuan Liang
  • Patent number: 11967298
    Abstract: A system or a method may be provided that may detect a movement or activity of a user via the user's mobile and/or wearable devices. The system may adjust the display interface based on the user's detected movement or activity. When a user is very active (biking or jogging), the user may have very limited amount of time or attention to interact with a display interface. The movement or activity of the user may be detected by a motion detection device installed on the mobile device or on the wearable device. When the user is active, the display interface may adjust to enlarge the information to make it easier for the user to view, read, or interact with. The system may also select and display important information, without other peripheral information (less important information) when the user is active.
    Type: Grant
    Filed: July 30, 2021
    Date of Patent: April 23, 2024
    Assignee: PAYPAL, INC.
    Inventor: Megan Marie O'Neill
  • Patent number: 11967276
    Abstract: A display device includes: a display panel including a first pixel, a second pixel adjacent to one side of the first pixel, and a third pixel adjacent to the other side of the first pixel; a first scan driver supplying a first signal to the first to third pixels through a first scan line; a second scan driver supplying a second scan signal to the second and third pixels through a second scan line when a first time elapses after the supply of the first scan signal is started; a data driver supplying a data voltage to a plurality of output lines; and a data divider selectively supplying the data voltage to data lines respectively coupled to the first to third pixels. Each of the second and third pixels includes a switching transistor controlled by the second scan signal.
    Type: Grant
    Filed: April 7, 2021
    Date of Patent: April 23, 2024
    Assignee: Samsung Display Co., Ltd.
    Inventors: Young In Hwang, Elly Gil, Jin A Lee, Joo Hyeon Jo, Seong Baik Chu
  • Patent number: 11953692
    Abstract: A system for and method of projecting augmentation imagery in a head-mounted display is disclosed. A system for projecting light onto an eye includes a display to project light, a beam combiner, first and second optical systems between the display and the beam combiner along respective first and second optical paths. The first and second optical paths differ. The system also includes a switchable reflector that, in a reflective state, reflects light incident upon the reflector, and, in a non-reflective state, transmits light incident upon the reflector. The reflector is between the display and the first and second optical systems along the first and second optical paths and directs light along the first path, in the reflective state, or along the second path, in the non-reflective state, to reflect light from the beam combiner to the eye from different directions when in the different states.
    Type: Grant
    Filed: November 13, 2023
    Date of Patent: April 9, 2024
    Assignee: Augmenteum, Inc.
    Inventors: David M. Palacios, Joseph W. Gee, Chris S. Peay
  • Patent number: 11955043
    Abstract: An apparatus for performing subpixel rendering of an RGBW display panel is provided. The apparatus receives an input gray level data to acquire a luminance value of each subpixel of a RGB pixel set including two RGB pixels adjacent to each other. The apparatus calculates a rendered luminance value of each subpixel of a display pixel set including two display pixels adjacent to each other according to the luminance values. The display pixel set of the RGBW display panel includes red, green, blue, and white subpixels. The rendered luminance value of the white subpixel of one of the display pixels is determined according to the saturation value of the corresponding RGB pixel and the luminance value of each subpixel of the corresponding RGB pixel. The apparatus acquires a gray level value of each white subpixel of the display pixel set according to the rendered luminance values.
    Type: Grant
    Filed: September 21, 2022
    Date of Patent: April 9, 2024
    Assignee: HIMAX TECHNOLOGIES LIMITED
    Inventor: Tung Ying Wu
  • Patent number: 11954939
    Abstract: An electronic device (200) includes a liquid crystal display (LCD) panel (204), a cover layer (218), one or more light sources (224), and an optical sensor module (226). The LCD panel (204) receives a contact input associated with a fingerprint of a user. The cover layer (218) includes a first major surface (228) and a second major surface (230) opposite to the first major surface (228), and is disposed on the LCD panel (204). The cover layer (218) defines a first axis (AA?) normal to the first major surface (228). The optical sensor module (226) receives a light from the predetermined fingerprint sensing area (222) to detect the fingerprint. The optical sensor module (226) at least partially overlaps with the predetermined fingerprint sensing area (222) along the plane of the first major surface (228). The optical sensor module (226) defines a second axis (BB?) normal to a surface of the optical sensor module (226).
    Type: Grant
    Filed: July 23, 2020
    Date of Patent: April 9, 2024
    Assignee: 3M INNOVATIVE PROPERTIES COMPANY
    Inventors: Jingfei Chen, Huijie Xie, Fan Long, Yan Yan Zhang, Zhe Hu
  • Patent number: 11954937
    Abstract: A fingerprint sensing system is configured to receive an illumination beam which is reflected by a finger and then transmitted to the fingerprint sensing system to generate a fingerprint image. The fingerprint sensing system includes a plurality of microlenses, a sensor, a first light filter layer, and a second light filter layer. The microlenses are arranged in an array. The sensor has a plurality of sensing pixels arranged in an array. The first light filter layer is disposed between the microlenses and the sensor and has a plurality of first openings. The second light filter layer is disposed between the first light filter layer and the sensor and has a plurality of second openings. The illumination beam passes through the first openings or the second openings, so that the sensor receives the illumination beam.
    Type: Grant
    Filed: March 16, 2021
    Date of Patent: April 9, 2024
    Assignee: Powerchip Semiconductor Manufacturing Corporation
    Inventor: Chen-Ming Huang
  • Patent number: 11940530
    Abstract: Provided are an ultrasonic fingerprint identification circuit, a driving method thereof, and a display device. The ultrasonic fingerprint identification circuit comprises fingerprint identification units each including an ultrasonic fingerprint identification sensor connected to a first node; a control module connected to a composite signal line, a first control signal line and the first node and configured to provide a reset potential to the first node and to provide a pull-up potential to the first node in response to a first level provided by the composite signal line; a reading module connected to a second control signal line, the first node and a reading signal line, and configured to read a detection signal of the first node. The first control signal line connected to one fingerprint identification unit is reused as the second control signal line connected to another fingerprint identification unit.
    Type: Grant
    Filed: January 5, 2023
    Date of Patent: March 26, 2024
    Assignee: Shanghai Tianma Micro-Electronics Co., Ltd.
    Inventors: Lu Lian, Feng Lu, Haochi Yu
  • Patent number: 11935443
    Abstract: A display defect detection circuit of a display defect detection system includes a preprocessing circuit configured to receive a capture image of a test pattern, displayed by a display panel, as a panel image including target Mura having a repetitive characteristic and preprocess the panel image to output a preprocessing image and a Mura detection circuit configured to decrease a total size of the preprocessing image on the basis of a size of the target Mura to generate a resize image, detect an edge component in the resize image to generate an edge map image having feature values, remove a feature value of a non-repetitive type among the feature values of the edge map image to generate a feature map image, and detect a display position of the target Mura on the basis of a final feature value of the target Mura calculated based on the feature map image.
    Type: Grant
    Filed: August 25, 2022
    Date of Patent: March 19, 2024
    Assignee: LG DISPLAY CO., LTD.
    Inventors: Yeong Yu, Jong Ju Hong
  • Patent number: 11923381
    Abstract: A display device may include a first conductive layer disposed on a substrate, and including an auxiliary bottom line and an additional conductive pattern; a first insulating layer disposed on the substrate and the first conductive layer; a semiconductor pattern disposed on the first insulating layer; a second insulating layer disposed on the first insulating layer and the semiconductor pattern; a second conductive layer disposed on the second insulating layer, and including a conductive pattern and a gate electrode; a third insulating layer disposed on the second insulating layer and the second conductive layer; a connection pattern disposed on the third insulating layer and electrically connected to the conductive pattern; a first electrode disposed on the connection pattern and electrically connected to the connection pattern; and at least one light emitting element disposed on the first electrode and electrically connected to the first electrode.
    Type: Grant
    Filed: September 15, 2022
    Date of Patent: March 5, 2024
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Jae Yong Jang, Sun Hwa Lee, Bon Yong Koo, Su Jin Lee
  • Patent number: 11922714
    Abstract: Provided is a display device. The display device includes a display panel which includes a base substrate, a thin-film transistor layer on the base substrate, and a light emitting element layer comprising light emitting elements on the thin-film transistor layer; a cover window on the light emitting element layer of the display panel; and a fingerprint recognition sensor layer under the display panel. The base substrate includes a first base, a second base on the first base, and a light blocking layer between the first base and the second base, and the light blocking layer includes holes through which light reflected by a finger touching the cover window passes.
    Type: Grant
    Filed: July 16, 2020
    Date of Patent: March 5, 2024
    Assignee: Samsung Display Co., Ltd.
    Inventors: Jong Hyun Lee, Ji Hun Ryu, Il Nam Kim, Jong In Baek, Eun Jin Sung
  • Patent number: 11914150
    Abstract: A wearable display system includes a light projection system having one or more emissive microdisplays, e.g., micro-LED displays. The light projection system projects time-multiplexed left-eye and right-eye images, which pass through an optical router having a polarizer and a switchable polarization rotator. The optical router is synchronized with the generation of images by the light projection system to impart a first polarization to left-eye images and a second different polarization to right-eye images. Light of the first polarization is incoupled into an eyepiece having one or more waveguides for outputting light to one of the left and right eyes, while light of the second polarization may be incoupled into another eyepiece having one or more waveguides for outputting light to the other of the left and right eyes. Each eyepiece may output incoupled light with variable amounts of wavefront divergence, to elicit different accommodation responses from the user's eyes.
    Type: Grant
    Filed: December 20, 2019
    Date of Patent: February 27, 2024
    Assignee: MAGIC LEAP, INC.
    Inventors: Jahja I. Trisnadi, Hyunsun Chung, Lionel Ernest Edwin, Howard Russell Cohen, Robert Blake Taylor, Andrew Ian Russell, Kevin Richard Curtis, Clinton Carlisle