Patents Examined by Jimmy H. Nguyen
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Patent number: 12236845Abstract: A display substrate includes a first voltage line, an alternating current signal line and a second voltage line arranged on a substrate, the substrate includes a display region and a non-display region; the display substrate further includes a first conductive layer, a first insulation layer and a second conductive layer laminated one on another on the substrate, the first voltage line and the alternating current signal line are arranged on the first conductive layer, and the second voltage line is arranged on the second conductive layer; the first voltage line is lapped onto the second voltage line through a first groove penetrating through the first insulation layer; and an orthogonal projection of the second voltage line onto the substrate overlaps an orthogonal projection of the alternating current signal line onto the substrate at an overlapping region.Type: GrantFiled: September 29, 2021Date of Patent: February 25, 2025Assignees: CHENGDU BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.Inventors: Junxiu Dai, Yang Zhou, Lu Bai, Xin Zhang, Yi Qu, Siyu Wang, Song Liu
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Patent number: 12236831Abstract: The present disclosure provides a pixel driving circuit and a display panel. The pixel drive circuit includes: a data writing sub-circuit, a threshold compensation sub-circuit, a driving sub-circuit and a storage sub-circuit, the data writing sub-circuit includes a fourth transistor, which includes a first electrode connected with a data line, a second electrode connected with a first terminal of the driving sub-circuit, and a control electrode connected with a first scan signal line, and the fourth transistor is an oxide thin film transistor; the threshold compensation sub-circuit is configured to compensate a threshold voltage of the driving sub-circuit in response to a second scan signal; the storage sub-circuit is configured to store a data voltage signal; the driving sub-circuit is configured to provide a driving current for a light emitting device to be driven according to voltages of the first terminal and a control terminal thereof.Type: GrantFiled: July 1, 2022Date of Patent: February 25, 2025Assignees: CHENGDU BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.Inventors: Kunyan Shi, Yafei Chen, Gang Wang, Qiang Fu, Erlong Song, Kai Zhang, Peng Xu, Xingrui Cai
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Patent number: 12223866Abstract: A display substrate, a test method for the display substrate and a display device are provided. The display substrate includes a base substrate, a touch detection circuit layer and a pixel driving circuit layer. The display substrate includes a display region and a non-display region surrounding the display region. The touch detection circuit layer includes a driving signal line and a dummy electrode line arranged side by side in the display region and insulated from each other, and both the driving signal line and the dummy electrode line extend from the display region to the non-display region. The non-display region is provided with a plurality of test pads including a first pad electrically connected to the driving signal line and a second pad electrically connected to the dummy electrode line.Type: GrantFiled: September 28, 2022Date of Patent: February 11, 2025Assignees: HEFEI XINSHENG OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.Inventors: Guodong Liu, Peng Wu, Jideng Zhou, Yong Qian
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Patent number: 12223871Abstract: The present disclosure relates a display device and a method compensating for deterioration thereof, and a mobile terminal including the display device. The display device includes: a display panel including a first pixel area, a second pixel area, and a third pixel area; a first optical device disposed below the display panel or embedded within the display panel in a predetermined sensing area on the display panel, the first optical device facing at least a portion of the first pixel area and a portion of the second pixel area when the display panel is folded or moved; and a pixel deterioration compensation circuit configured to operate to reduce a luminance difference between the first pixel area and the second pixel area by receiving sensing data from the first optical device in a deterioration sensing mode.Type: GrantFiled: June 9, 2023Date of Patent: February 11, 2025Assignee: LG Display Co., Ltd.Inventors: Dong Gun Lee, Seung Taek Oh, Yong Kyun Choi, Jung Hoon Lee
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Patent number: 12216878Abstract: A display device includes a display panel and a lower member disposed under the display panel. The lower member includes a support layer, a digitizer, a flexible circuit board, and a metal layer. The digitizer is disposed under the support layer having an insulating property. The flexible circuit board is connected to the digitizer. The metal layer is disposed under the digitizer, and an opening is defined through the metal layer to correspond to the flexible circuit board.Type: GrantFiled: June 1, 2023Date of Patent: February 4, 2025Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Bugyoon Yoo, Yunjae Kim, Chang-Kil Lee
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Patent number: 12219854Abstract: A display device according to an embodiment includes a light emitting element disposed on a substrate, and including a first electrode, an emission layer, and a second electrode; a low-reflective layer disposed on the light emitting element, and including an inorganic material; an encapsulation layer positioned on the low-reflective layer; a reflection adjustment layer positioned on the encapsulation layer; a capping layer positioned on the reflection adjustment layer; and an overcoat layer positioned on the capping layer.Type: GrantFiled: July 14, 2022Date of Patent: February 4, 2025Assignee: SAMSUNG DISPLAY CO., LTD.Inventor: Hyeon Bum Lee
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Patent number: 12210673Abstract: Disclosed are a spatial positioning method of a separate virtual system, and a separate virtual system. The spatial positioning method of the separated virtual system provided by the present application, when the mobile terminal is attached to the virtual head-mounted display device and the mobile terminal performs the virtual mode, the 3DOF is determined from the first image captured by the camera, and the rotational freedom degree is obtained based on the first inertial sensor, so the spatial positioning of the virtual head-mounted display device is determined, and the spatial positioning accuracy of the mobile terminal. In addition, the man-machine interaction based on the spatial positioning enhances the game experience, thereby enhancing the performance of the head-mounted reality device separate from the mobile terminal.Type: GrantFiled: July 28, 2023Date of Patent: January 28, 2025Assignee: PIMAX TECHNOLOGY (SHANGHAI) CO., LTDInventors: Zhibin Weng, Ke Zhou, Lei Chen
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Patent number: 12210715Abstract: A display device including an input sensor having sensing electrodes disposed in a sensing area and signal lines. Each of the signal lines is connected to a corresponding electrode of the sensing electrodes and disposed in the line area. One signal line of the signal lines includes a first portion having a constant width, a second portion disposed outside a corner area of the sensing area, extending from the first portion, and having a width gradually increasing in a direction that is away from the first portion, a third portion extending from the second portion and having a width gradually varying in a direction that is away from the second portion, and a fourth portion extending from the third portion and having a constant width.Type: GrantFiled: February 19, 2023Date of Patent: January 28, 2025Assignee: Samsung Display Co., Ltd.Inventors: Jisu Na, Kwangmin Kim, Kiwook Kim, Yangwan Kim
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Patent number: 12213367Abstract: A display device includes: a display panel including a pixel having an emissive area, and a sensor having a sensing area; and an anti-reflection layer on the display panel, the anti-reflection layer including: a light blocking layer having a first opening overlapping with the emissive area, a second opening overlapping with the sensing area, and an intermediate opening between the first opening and the second opening; a color filter covering the first opening; an over-coating layer on the light blocking layer, and covering the color filter; and a light blocking pattern on the over-coating layer, and overlapping with an area between the intermediate opening and the first opening.Type: GrantFiled: February 23, 2023Date of Patent: January 28, 2025Assignee: Samsung Display Co., Ltd.Inventors: Bokwang Song, Gee-Bum Kim, Kwang Soo Bae, Dae-Young Lee, Min Oh Choi
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Patent number: 12198227Abstract: To output a virtual smoke image, an electronic device may receive a connection request from an aerosol generating device in a state of being paired with one or more external controllers, determine a controller type of the aerosol generating device, suspend pairing with a target external controller among the one or more external controllers when the determined controller type corresponds to a type of the target external controller, perform connection with the aerosol generating device, receive sensing information about a state of the aerosol generating device, generate a virtual smoke image based on the sensing information, and output the virtual smoke image through a display of the electronic device.Type: GrantFiled: June 2, 2023Date of Patent: January 14, 2025Assignee: KT&G CORPORATIONInventors: Jae Hyun Kim, Minseok Jeong, Tae Young Chung
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Patent number: 12196960Abstract: An optical combiner is employed to reflect a first part and a second part of a synthetic light field towards a first eye and a second eye of user(s), respectively, whilst optically combining the first part and the second part with a real-world light field. Portion(s) of the optical combiner from which a part of the synthetic light field is reflecting towards a given eye of a given user is determined, based on a relative location of the given eye with respect to the optical combiner. Portion(s) of active optical device(s) that corresponds to the portion(s) of the optical combiner are activated, to decrease transmittance of the real-world light field passing through the portion(s) of the optical combiner towards the given eye, and/or to increase reflectance of the synthetic light field being reflected by the portion(s) of the optical combiner towards the given eye.Type: GrantFiled: April 9, 2024Date of Patent: January 14, 2025Assignee: Distance Technologies OyInventors: Urho Konttori, Mikko Strandborg
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Patent number: 12185614Abstract: A display apparatus includes a substrate, a pixel layer including a plurality of display devices on the substrate, an encapsulating member encapsulating the pixel layer, a light modulating layer on the encapsulating member, a functional layer on the light modulating layer, and a bonding layer located between the light modulating layer and the functional layer and to bond the light modulating layer and the functional layer, where the light modulating layer has openings corresponding to the plurality of display devices, and where the bonding layer fills the openings and has a refractive index that is greater than a refractive index of the light modulating layer.Type: GrantFiled: July 15, 2020Date of Patent: December 31, 2024Assignee: Samsung Display Co., Ltd.Inventors: Changmok Kim, Kwanhee Lee, Jiwon Jung, Youngseo Choi
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Patent number: 12182363Abstract: A base noise level of a touchscreen interface for a computing device is actively and adaptively calibrated. Antenna traces forming a digitizer of the touchscreen interface are allocated into antenna regions. Antenna regions with high energy signal levels and antenna regions with low energy signal levels are identified. Signal level information from high energy antenna regions is discarded. A noise level, caused by electrical components of the computing device, is determined within signals generated in the antenna traces based at least in part upon the low energy antenna regions. The digitizer is calibrated by reducing energy levels of signals carried by the antenna traces in all antenna regions by the noise level.Type: GrantFiled: June 22, 2022Date of Patent: December 31, 2024Assignee: Microsoft Technology Licensing, LLCInventors: Hanan Grinberg, Oren Istrin, Hadas Ruas, Nadav Linenberg, Anton Gorbanev
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Patent number: 12171116Abstract: A display apparatus may include a substrate, a display element disposed above the substrate, an encapsulation layer disposed above the display element and including an inorganic encapsulation layer and an organic encapsulation layer, and a touch-sensing layer disposed above the encapsulation layer. The touch-sensing layer may include a first insulating layer including a side surface inclined with respect to a top surface of the encapsulation layer and including an organic material. The touch-sensing layer may include a conductive layer including sensing electrodes, and a second insulating layer covering the conductive layer and including a refractive index that may be different from that of the first insulating layer.Type: GrantFiled: July 8, 2021Date of Patent: December 17, 2024Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Woongsik Kim, Jinsu Byun, Sanghyun Lee, Gwangmin Cha, Saehee Han
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Patent number: 12164725Abstract: A display device includes a display panel, an input sensing layer disposed on the display panel and which outputs a sensing signal in response to an external input and an approach of an object, and a sensing controller which controls a drive of the input sensing layer and receives the sensing signal from the input sensing layer. The sensing controller includes a location sensing block which generates a location information signal including location information of the external input in response to the sensing signal, and an approach sensing block which determines whether the object approaches in response to the sensing signal and generates an approach information signal.Type: GrantFiled: January 10, 2023Date of Patent: December 10, 2024Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Kazuhiro Matsumoto, Masahiko Takiguchi, Satoshi Uchino
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Patent number: 12141395Abstract: A method for capacitive based detection with a digitizer sensor including a plurality of conductive elements that are capacitively coupled is described. The method includes generating a drive signal including transient sections separated in time by flat sections, providing the drive signal generated to at least one conductive element of the digitizer sensor, and sampling outputs transferred to a second conductive element that is capacitively coupled to the at least one conductive element in response to providing the signal generated to the at least one conductive element. The sampling events of the sampling are timed to take place both in response to the transient sections of the drive signal and to the flat sections of the drive signal.Type: GrantFiled: May 24, 2022Date of Patent: November 12, 2024Assignee: Microsoft Technology Licensing, LLCInventor: Yuval Stern
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Patent number: 12144226Abstract: A display device includes a substrate including a display area and a pad area; a thin film transistor in the display area; a light emitting film layer on the thin film transistor; an encapsulation layer on the light emitting film layer; a touch buffer layer on the encapsulation layer; a bridge, first touch electrodes and second touch electrodes disposed on the touch buffer layer; a touch insulating film disposed between the bridge and the first touch electrodes and the second touch electrodes; a touch pad in the pad area; a touch sensing line connected to the first touch electrodes; and a touch driving line connected to the second touch electrodes, wherein at least one of the touch sensing line and the touch driving line is provided on a side surface of the encapsulation layer.Type: GrantFiled: July 8, 2021Date of Patent: November 12, 2024Assignee: LG DISPLAY CO., LTD.Inventors: Yangsik Lee, JiHyun Jung, SuChang An, JaeGyun Lee, Ruda Rhe
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Patent number: 12133407Abstract: In non-limiting example embodiments, an electroluminescent device may include a lower structure including an emission area, and an encapsulation structure located on the lower structure. The lower structure may include a window. The window may be a light transmitting region or a notch. The light transmitting region may be spaced apart from the emission area and completely or partially surrounded by the emission area in a plan view. The notch may be formed at one side of the lower structure and recessed inward in a plan view such that one side of the emission area substantially conforms to the notch.Type: GrantFiled: August 19, 2021Date of Patent: October 29, 2024Assignee: SAMSUNG DISPLAY CO., LTD.Inventor: Myoung Seo Park
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Patent number: 12118172Abstract: Electronic equipment includes a touch sensor including a plurality of electrodes arranged in a plane shape and separated from each other in an array direction, a differential amplifier that amplifies a difference between a positive-side signal and a negative-side signal selectively output from the plurality of electrodes and that outputs the difference, a position detection unit that detects a touch position in a sensor area that is formed by the touch sensor, based on an output signal from the differential amplifier, and a conductive part that is a part made of a conductive material or contains a conductive material and that is arranged to partially overlap the sensor area in plan view. The conductive part is arranged such that an outermost end point thereof in the array direction is positioned on one of the plurality of electrodes.Type: GrantFiled: July 24, 2023Date of Patent: October 15, 2024Assignee: Wacom Co., Ltd.Inventor: Jun Kadowaki
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Patent number: 12099665Abstract: A stylus capable of bidirectionally communicating with a sensor controller includes a receiver that receives an uplink signal sent by the sensor controller, a controller that determines whether a signal having a predetermined waveform is to be continuously sent over a second time period or to be continuously sent over a first time period longer than the second time period, on the basis of the uplink signal, and a transmitter that continuously sends the signal having the predetermined waveform over the first time period or the second time period on the basis of the result of determination by the controller. As a result, the sensor controller can detect a burst signal from the stylus over a wide range in a sensor touch surface, to thereby reduce the possibility that the sensor controller may fail to detect the burst signal.Type: GrantFiled: September 12, 2022Date of Patent: September 24, 2024Assignee: Wacom Co., Ltd.Inventors: Hideyuki Hara, Yoshio Nomura