Patents Examined by Jennifer T. Nguyen
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Patent number: 11966509Abstract: An eye-tracking system (100, 302) comprises light source(s) (102, 202, 306); means (104, 200, 308) for changing direction of light beam (210) emitted by light source(s), wherein said means is to be employed to steer light beam to scan surface of user's eye (214); and light sensor(s) (106, 310) that is to be employed to sense reflected light signals. Said means is to be employed to detect when light beam is incident upon pupil of user's eye, based on variations in at least one parameter of reflected light signals; and steer light beam to be incident upon centre of pupil, wherein light beam is determined to be incident upon centre of pupil when minimum value from amongst values of at least one parameter of reflected light signals.Type: GrantFiled: January 31, 2023Date of Patent: April 23, 2024Assignee: Pixieray OyInventors: Ari Pitkänen, Klaus Melakari
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Patent number: 11961449Abstract: A liquid crystal display (LCD) and a method for compensating current leakage of the LCD are provided. The LCD includes a thin film transistor (TFT) array having a plurality of TFTs, a gate driver configured to provide a scan signal, a source driver configured to provide a data signal, and a timing controller electrically connected to the gate driver and the source driver. The timing controller is configured to adjust a current refresh frequency according to a current frame rate and to transfer a control signal to the gate driver when the current refresh frequency is lower than a threshold frequency such that the gate driver increase a charging time of the plurality of TFTs according to the control signal.Type: GrantFiled: August 7, 2020Date of Patent: April 16, 2024Assignee: Shenzhen China Star Optoelectronics Semiconductor Display Technology Co., Ltd.Inventors: Wenwu Liao, Mingwei Chen
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Patent number: 11955082Abstract: A pixel circuit is disposed in the display substrate, the display substrate includes a display stage and a non-display stage, the pixel circuit is configured to drive the light emitting element to emit light in the display stage, and includes a first control sub-circuit, a second control sub-circuit, a third control sub-circuit, a fourth control sub-circuit, a light emitting control sub-circuit and a driving sub-circuit; the third control sub-circuit is electrically connected with a third reset signal terminal, a control signal terminal and a third node respectively, and is configured to provide a first signal to the third node in the display stage and a second signal to the third node or acquire a signal of the third node in the non-display stage under control of the third reset signal terminal.Type: GrantFiled: May 30, 2022Date of Patent: April 9, 2024Assignees: Chongqing BOE Display Technology Co., Ltd., BOE Technology Group Co., Ltd.Inventors: Rui Wang, Ming Hu, Haijun Qiu, Juntao Chen
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Patent number: 11955071Abstract: A pixel circuit, a display panel and a method for driving the pixel circuit. The pixel circuit includes a first light emission control module and a gate initialization module. The first light emission control module includes a control terminal, a first terminal and a second terminal, where the control terminal of the first light emission control module is electrically connected with a first light emission control signal, the first terminal of the first light emission control module is electrically connected with a first power signal, and the second terminal of the first light emission control module is electrically connected to the first electrode of the drive transistor.Type: GrantFiled: March 10, 2022Date of Patent: April 9, 2024Assignee: KUNSHAN GO-VISIONOX OPTO-ELECTRONICS CO., LTDInventors: Dongfang Zhao, Zhe Du, Junfeng Li, Gang Wang, Yong Ge
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Patent number: 11957010Abstract: A display apparatus includes a first substrate including a plurality of pixels provided in a display portion, a second substrate coupled to the first substrate, and a routing portion disposed on an outer surface of the first substrate and an outer surface of the second substrate, wherein the first substrate includes a first pad part connected to the routing portion and the plurality of pixels and a gate driving circuit disposed in the display portion, the gate driving circuit including a shift register for supplying a scan signal to the plurality of pixels, and the first pad part includes a plurality of first gate pads provided in outermost pixels disposed at one edge portion of the first substrate among the plurality of pixels and connected to the gate driving circuit.Type: GrantFiled: December 30, 2020Date of Patent: April 9, 2024Assignee: LG Display Co., Ltd.Inventors: Yoonseob Jeong, KwonHyung Lee
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Patent number: 11947748Abstract: A display panel and a display device are provided. Each of touch trace regions is individually wired to connect to a touch integrated circuit, and it is not necessary for all the touch trace regions to be converged in a lower border region. Moreover, the touch trace regions are respectively arranged above a low-voltage trace region VSS and a high-voltage trace region VDD, so that a width of left and right lower border regions can be reduced, which is beneficial to a narrow down border design of large-sized display panels.Type: GrantFiled: October 26, 2020Date of Patent: April 2, 2024Assignee: WUHAN CHINA STAR OPTOELECTRONICS SEMICONDUCTOR DISPLAY TECHNOLOGY CO., LTD.Inventor: Liang Fang
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Patent number: 11917888Abstract: Cameras are located within the display area of a display. In-display cameras allow for thinner display bezels. In-display cameras allow for the creation of ultra-high resolution images. The ability to capture an object from multiple perspectives allows for holographic image recording and playback. Multiple views of an image can be captured with varying depths of focus, allowing an image's depth of field to be adjusted during post processing. In-display cameras can also be used for user authentication, touch detection and three-dimensional gesture recognition. Thermal sensors located within the display area allow for control of the display temperature, improved control over system performance, and compensation for micro-LED degradation that can occur due to aging or increased temperature. Microlens assemblies located above pixels can adjust the viewing cone angle of the display or a portion of the display and microassemblies located under individual pixels or pixel arrays can adjust a viewing angle.Type: GrantFiled: November 5, 2021Date of Patent: February 27, 2024Assignee: Intel CorporationInventors: Ramon C. Cancel Olmo, Evrim Binboga, Vivek Paranjape, Satish Prathaban, Shantanu D. Kulkarni, Kunjal S. Parikh, Siddhartha Saxena
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Patent number: 11915635Abstract: A dimming method and device of a display panel, a storage medium, and a terminal equipment are provided. In a second dimming stage in a frame of one frame of an image, a grayscale of a light-emitting stage of the display is controlled by the light-emitting signal. In a first dimming stage in the frame of the image, the grayscale of the light-emitting stage of the display panel is controlled by superposing a control signal in the light-emitting signal. Therefore, in a low grayscale, the grayscale is realized by reducing an amplitude of the light-emitting signal.Type: GrantFiled: March 21, 2022Date of Patent: February 27, 2024Assignee: TCL CHINA STAR OPTOELECTRONICS TECHNOLOGY CO., LTD.Inventors: Ruixiong Li, Jinjia Chen
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Patent number: 11914822Abstract: An electroluminescent display is disclosed. The electroluminescent display includes an electroluminescent element disposed in a display area of a substrate, an encapsulation unit disposed on the electroluminescent element, a first mesh electrode layer disposed on the encapsulation unit, an insulating layer covering the first mesh electrode layer, and a second mesh electrode layer disposed on the insulating layer. The first mesh electrode layer includes a first mesh electrode and a second mesh electrode separated from the first mesh electrode. The second mesh electrode layer includes a third mesh electrode extended in a first direction and a fourth mesh electrode extended in a second direction intersecting the first direction through the first mesh electrode intersecting the third mesh electrode.Type: GrantFiled: February 6, 2023Date of Patent: February 27, 2024Assignee: LG Display Co., Ltd.Inventors: Jonghyun Han, Seungrok Shin
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Patent number: 11908427Abstract: This display device includes n number of liquid crystal displays, where n is an integer of 2 or more, light sources that can emit light of a plurality of different colors and that are provided to the respective liquid crystal displays, and a processor that causes the light sources to emit light of different colors so as to vary emission start timings for the respective light sources provided to the liquid crystal displays on the basis of input signals including color information regarding sub display images to be displayed on the respective liquid crystal displays.Type: GrantFiled: December 28, 2022Date of Patent: February 20, 2024Assignee: PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.Inventors: Hiroyuki Kado, Hiroshi Mitani
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Patent number: 11910687Abstract: A display panel includes: a substrate including a component area and a main area surrounding at least a portion of the component area, the component area including a pixel area and a transmission area; a display element layer on the substrate, the display element layer including a first display element overlapping the pixel area of the component area in a plan view, a second display element overlapping the pixel area of the component area, and a pixel defining layer defining therein a first opening and a second opening defining an emission area of the first display element and an emission area of the second display element, respectively; and an anti-reflective layer on the display element layer, the anti-reflective layer including a black matrix defining therein a first upper opening overlapping the first opening and the second opening, and a first color filter overlapping the first upper opening.Type: GrantFiled: December 20, 2021Date of Patent: February 20, 2024Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Hyeonbum Lee, Seongmin Wang
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Patent number: 11903282Abstract: A display apparatus includes a base substrate including an opening area which transmits light, an opening peripheral area which is a non-display area surrounding the opening area, and a display area surrounding the opening peripheral area, a thin film transistor disposed on the base substrate, a light emitting structure electrically connected to the thin film transistor, and a loop-type antenna electrode disposed on the base substrate in the opening peripheral area to surround the opening area.Type: GrantFiled: December 26, 2022Date of Patent: February 13, 2024Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Jae-Kyoung Kim, Ki Seo Kim, Won Sang Park, Bong Hyun You
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Patent number: 11895895Abstract: A display device includes a substrate, pixel electrodes on the substrate, a bank in which opening areas partially exposing the pixel electrodes are defined, organic light emitting layers disposed on the pixel electrodes, a common electrode disposed on the organic light emitting layers and the bank, an encapsulation layer disposed on the common electrode, a touch electrode which is disposed on the encapsulation layer and does not overlap the opening areas in a thickness direction, a first adhesive member disposed on the touch electrode, a first light blocking layer which is disposed on the first adhesive member and does not overlap the opening areas in the thickness direction, color filters which are disposed on the first adhesive member and overlap the opening areas in the thickness direction, and a support layer which is disposed on the first light blocking layer and the color filters and includes a first organic material.Type: GrantFiled: October 6, 2021Date of Patent: February 6, 2024Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: So Young Lee, Sun Hwa Kim, Sung Chul Kim, Kwan Hee Lee, Jong Beom Hong
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Patent number: 11895889Abstract: A display panel includes a first panel region (FPR) including (n?1)-th and n-th pixel rows ((n?1)PR and nPR), and a second panel region (SPR) dividing the nPR to propagate an optical signal. The display panel includes a circuit element layer (CEL) and a display element layer (DEL). The CEL includes a signal line (SL), a pixel driving circuit (PDC), and first to third regions. The SL and the PDC are in the first region. The second region (SR) corresponds to the SPR. The SL and the PDC are not in the SR. The third region (TR) corresponds to the SPR and is along a periphery of the SR. The SL is in the TR, and includes an (n?1)-th scan line ((n?1)SL) connected to the (n?1)PR, an n-th reset line (nRL) connected to the nPR, and a first row connection line in the TR and connecting the (n?1)SL and the nRL.Type: GrantFiled: November 21, 2022Date of Patent: February 6, 2024Assignee: Samsung Display Co., Ltd.Inventors: Hyunae Park, Jaewon Kim, Seungwoo Sung, Jun-yong An, Nuree Um, Ji-eun Lee, Yun-kyeong In, Donghyeon Jang, Seunghan Jo, Junyoung Jo
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Patent number: 11881140Abstract: A display panel is provided. The display panel includes a display array and a plurality of shift registers. The display array is disposed in an active region. The shift registers are disposed in the active region, and configured to drive the display panel. Each shift register is divided into a plurality of sub-circuits including a first sub-circuit and a second sub-circuit. The first sub-circuit is disposed in a first column of the display array. All first sub-circuits disposed in the first column are coupled to at least one global signal line. The second sub-circuit is disposed in a second column of the display array. The second sub-circuit disposed in the second column are serially coupled as at least one string through a plurality of jump signal lines.Type: GrantFiled: December 28, 2022Date of Patent: January 23, 2024Assignee: AUO CorporationInventor: Cheng-Hsing Lin
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Patent number: 11877490Abstract: A light emitting display apparatus includes a substrate including a plurality of sub-pixels, an overcoating layer on the substrate and having a base portion and a protrusion portion, a first electrode disposed to cover the base portion and a side portion of the protrusion portion at the plurality of sub-pixels, a bank layer covering a portion of the first electrode and the overcoating layer, a light emitting layer and a second electrode on the first electrode and the bank layer at the plurality of sub-pixels, and a cut-off layer on the second electrode to overlap the bank layer.Type: GrantFiled: June 15, 2020Date of Patent: January 16, 2024Assignee: LG DISPLAY CO., LTD.Inventors: Dongmin Sim, Hyekyung Choi, Kyunghoon Han
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Patent number: 11862081Abstract: Provided is a display panel including a base substrate including a first display region and a second display region, a plurality of first pixel circuits, a plurality of second pixel circuits, a plurality of first light-emitting elements, and a plurality of second light-emitting elements disposed in the second display region; wherein at least one of the plurality of first pixel circuits is connected to at least one of the plurality of first light-emitting elements, an orthographic projection of the at least one first pixel circuit on the base substrate is at least partially overlapped with an orthographic projection of the at least one first light-emitting element on the base substrate, and at least one of the plurality of second pixel circuits is connected to at least one of the plurality of second light-emitting elements by a conductive trace.Type: GrantFiled: September 30, 2020Date of Patent: January 2, 2024Assignees: CHENGDU BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.Inventors: Yudiao Cheng, Benlian Wang, Yao Huang, Weiyun Huang, Lili Du, Yue Long
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Patent number: 11864452Abstract: An electronic device may include a display and an optical sensor formed underneath the display. The display may have both a full pixel density region and a pixel removal region with a plurality of high-transmittance areas that overlap the optical sensor. The display may include a black masking layer with a plurality of horizontal portions and a plurality of vertical portions that form a grid that defines a plurality of apertures. The black masking layer may additionally include patches in the apertures. The patches may be optimally positioned to mitigate diffraction artifacts in the sensor that operates through the pixel removal region. The patches may have unique sizes and shapes. The display may include first and second pixel removal regions with different black masking layer layouts. The layouts may cause complementary diffraction artifacts such that a single artifact-free image may be constructed using the first and second optical sensors.Type: GrantFiled: June 20, 2022Date of Patent: January 2, 2024Assignee: Apple Inc.Inventors: Adam Backer, Ze Yuan, Yi-Pai Huang
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Patent number: 11854469Abstract: A display device includes a display panel including a plurality of pixels, and a panel driver configured to drive the display panel. The panel driver receives input image data at a variable input frame frequency, stores the variable input frame frequency as a previous frame frequency by monitoring the variable input frame frequency, determines a reference frequency based on the previous frame frequency, determines a reference luminance as a luminance of the display panel at the reference frequency, and adjusts data voltages applied to the plurality of pixels such that a luminance of the display panel at the variable input frame frequency becomes the reference luminance.Type: GrantFiled: July 25, 2022Date of Patent: December 26, 2023Assignee: SAMSUNG DISPLAY CO., LTD.Inventor: Kyung-Hun Lee
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Patent number: 11852825Abstract: Eye data is captured with one or more sensors of the head mounted device. The one or more sensors are configured to sense an eyebox region. User notifications are controlled based on the eye data.Type: GrantFiled: March 8, 2022Date of Patent: December 26, 2023Assignee: Meta Platforms Technologies, LLCInventors: Sebastian Sztuk, Salvael Ortega Estrada