Patents Examined by Ismail Muse
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Patent number: 11581430Abstract: A planar transistor device is disclosed including a gate structure positioned above a semiconductor substrate, the semiconductor substrate comprising a substantially planar upper surface, a channel region, a source region, a drain region, and at least one layer of a two-dimensional (2D) material that is positioned in at least one of the source region, the drain region or the channel region, wherein the layer of 2D material has a substantially planar upper surface, a substantially planar bottom surface and a substantially uniform vertical thickness across an entire length of the layer of 2D material in the gate length direction and across an entire width of the layer of 2D material in the gate width direction, wherein the substantially planar upper surface and the substantially planar bottom surface of the layer of 2D material are positioned approximately parallel to a substantially planar surface of the semiconductor substrate.Type: GrantFiled: August 22, 2019Date of Patent: February 14, 2023Assignee: GLOBALFOUNDRIES U.S. Inc.Inventors: David Pritchard, Heng Yang, Hongru Ren, Neha Nayyar, Manjunatha Prabhu, Elizabeth Strehlow, Salvatore Cimino
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Patent number: 11575067Abstract: A display substrate, a display apparatus, and a manufacturing method for the display substrate are provided. The display substrate includes: a substrate and a plurality of pixel units arranged in an array on the substrate; the pixel unit includes a light emitting diode, a connecting metal pattern, and a thin film transistor arranged in sequence along a direction away from the substrate; the connecting metal pattern is conductively connected to a top electrode of the light emitting diode; an active layer of the thin film transistor is insulated and spaced from the connecting metal pattern, and the drain of the thin film transistor is conductively connected to the connecting metal pattern.Type: GrantFiled: May 13, 2019Date of Patent: February 7, 2023Assignee: BOE TECHNOLOGY GROUP CO., LTD.Inventor: Zhao Kang
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Patent number: 11562991Abstract: A backplane, a manufacturing method thereof, a backlight module and a display panel are provided. The backplane includes a base substrate; a first conductive layer located on the base substrate and including a wire; a first protection layer located at a side of the first conductive layer facing away from the base substrate; a second conductive layer located on the first protection layer and including a conductive sub-layer, the conductive sub-layer penetrating the first protection layer to be connected with the wire; a second protection layer located at a side of the second conductive layer facing away from the base substrate; a micro light-emitting diode (LED) penetrating the second protection layer to be connected with the conductive sub-layer; and a metallic reflective layer, located on the second protection layer and configured to reflect light irradiated onto the metallic reflective layer from the micro LED.Type: GrantFiled: March 26, 2020Date of Patent: January 24, 2023Assignees: Hefei Xinsheng Optoelectronics Technology Co., Ltd., BOE Technology Group Co., Ltd.Inventors: Jing Wang, Dong Li, Weiwei Chu, Wenjie Xu
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Patent number: 11552215Abstract: A method of manufacturing a display device includes: forming a first electrode on a substrate; forming an insulating layer on the substrate and on the first electrode; providing light emitting elements in the insulating layer, each of the light emitting elements having a long axis and a short axis crossing the long axis and being configured to emit light; aligning the light emitting elements such that one end of each of the light emitting elements faces the substrate and the long axis of each of the light emitting elements is arranged in a direction from the substrate toward the insulating layer; patterning the insulating layer to form an insulating pattern exposing another end of each of the light emitting elements; and forming a second electrode electrically connected to the exposed other end of each of the light emitting elements.Type: GrantFiled: July 23, 2020Date of Patent: January 10, 2023Assignee: Samsung Display Co., Ltd.Inventors: Sung Jin Lee, Jin Yeong Kim, Jin Taek Kim, Mi Jin Park, Sang Ho Park, Tae Hoon Yang
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Patent number: 11552059Abstract: The present invention discloses an LED display screen layout method, including an LED display screen, wherein the LED display screen is formed by splicing a plurality of LED modules; each LED module includes four tricolored LED lamps; the four tricolored LED lamps form a square; and the four tricolored LED lamps are arranged in directions formed by sequentially rotating one of the tricolored LED lamps by 90 degrees. With such layout design, when the LED display screen is rotated, no blue line appears at neighboring borders of the LED modules, thus not influencing the display effect of the display screen.Type: GrantFiled: November 9, 2020Date of Patent: January 10, 2023Inventors: Ligang Zhao, Guangming Song, Youhe Zhang, Jie Zhou, Lei Liang
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Patent number: 11538967Abstract: Disclosed is a display device. The display device includes: a light transmissive plate including a first front surface, a rear surface facing the first front surface, and a hole positioned behind the first front surface and connected to the rear surface; and a display film attached to the rear surface of the plate, in which the display film includes a light transmissive substrate having a second front surface attached to the plate, an electrode layer formed on the second front surface, and a light source electrically connected to the electrode layer, and the light source is positioned in the hole.Type: GrantFiled: February 26, 2018Date of Patent: December 27, 2022Assignee: LG ELECTRONICS INC.Inventors: Daewoon Hong, Sangtae Park, Myeongwook Bae, Jeongsik Choi
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Patent number: 11538959Abstract: A method for repairing a display device, the display device including a plurality of inorganic light emitting elements arranged in a matrix and an insulator arranged around the plurality of inorganic light emitting elements, the method comprising steps of: detecting a defective inorganic light emitting element as the inorganic light emitting element having a defect; removing the insulator around the defective inorganic light emitting element while the defective inorganic light emitting element remains without being removed by irradiating the insulator around the defective inorganic light emitting element with irradiation light; and removing the defective inorganic light emitting element after the insulator therearound has been removed.Type: GrantFiled: September 23, 2020Date of Patent: December 27, 2022Assignee: Japan Display Inc.Inventor: Akihiro Ogawa
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Patent number: 11532598Abstract: Provided is a semiconductor package structure including a first die having a first bonding structure thereon, a second die having a second bonding structure thereon, a metal circuit structure, and a first protective structure. The second die is bonded to the first die such that a first bonding dielectric layer of the first bonding structure contacts a second bonding dielectric layer of the second bonding structure. The metal circuit structure is disposed over a top surface of the second die. The first protective structure is disposed within the top surface of the second die, and sandwiched between the metal circuit structure and the second die.Type: GrantFiled: November 18, 2020Date of Patent: December 20, 2022Assignee: Taiwan Semiconductor Manufacturing Company Ltd.Inventors: Hsien-Wei Chen, Ching-Jung Yang, Ming-Fa Chen
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Patent number: 11527520Abstract: The present disclosure relates to a micro light emitting diode (LED) display device including a substrate having a plurality of thin film transistors thereon; a plurality of micro light emitting devices (LEDs) on an upper surface of the substrate, the micro LEDs each having a protecting film provided with a first contact hole to expose a portion of an upper surface of a corresponding micro LED; at least one insulating layer covering the micro LED, the insulating layer provided with a second contact hole to expose a portion of the upper surface of the corresponding micro LED; and a connection electrode in the first contact hole and the second contact hole configured to transfer signals to the micro LED, wherein the first contact hole is larger than the second contact hole.Type: GrantFiled: September 20, 2018Date of Patent: December 13, 2022Assignee: LG DISPLAY CO., LTD.Inventors: Seong Hwan Ju, Hyeon Ho Son, Jin Yeong Kim, Jung Eun Son, Hanchul Park, Hyunwoo Kim
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Patent number: 11515294Abstract: A micro light emitting diode (LED) transfer method includes: preparing a transfer substrate including a plurality of micro LEDs, the plurality of micro LEDs having electrodes disposed in a first direction and a second direction different from the first direction on the transfer substrate; sequentially transferring a first set of micro LEDs among the plurality of micro LEDs in block units from the transfer substrate to first regions of a target substrate; and sequentially transferring a second set of micro LEDs among the plurality of micro LEDs in block units from the transfer substrate to second regions of the target substrate, and in the sequential transferring of the second set of micro LEDs, the second set of micro LEDs transferred to the second regions are disposed in the same electrode direction as an electrode direction of the first set of micro LEDs transferred to the first regions.Type: GrantFiled: June 3, 2020Date of Patent: November 29, 2022Assignee: SAMSUNG ELECTRONICS CO., LTD.Inventors: Ohjae Kwon, Jinmo Kang, Donghwan Kim, Yong Namkung, Seondeok Hwang
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Patent number: 11515295Abstract: The application discloses a light-emitting device including a carrier which includes an insulating layer, an upper conductive layer formed on the insulating layer, a plurality of conducting vias passing through the insulating layer, and a lower conductive layer formed under the insulating layer; four light-emitting elements arranged in rows and columns flipped on the carrier; and a light-passing unit formed on the carrier and covering the four light-emitting elements; wherein each of the light-emitting elements including a first light-emitting bare die emitting a first dominant wavelength, a second light-emitting bare die emitting a second dominant wavelength, and a third light-emitting bare die emitting a third dominant wavelength; and wherein two adjacent first light-emitting bare die in a row has a first distance W1, two adjacent first light-emitting bare die in a column has a second distance W2, and W1 is the same as W2.Type: GrantFiled: August 21, 2020Date of Patent: November 29, 2022Assignee: EPISTAR CORPORATIONInventors: Min-Hsun Hsieh, Tzu-Hsiang Wang
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Patent number: 11508846Abstract: A ferroelectric memory device according to one embodiment includes a semiconductor substrate, a fin structure disposed on the semiconductor substrate and having a trench, the trench having a bottom surface and a sidewall surface; a ferroelectric layer disposed on the bottom surface and the sidewall surface of the trench; a plurality of resistor layers stacked vertically in the trench, each resistor layer of the plurality of resistor layers having a different electrical resistance; and a gate electrode layer electrically connected to the each resistor layer in the plurality of resistor layers. The plurality of resistor layers are disposed between the gate electrode layer and the ferroelectric layer.Type: GrantFiled: September 24, 2020Date of Patent: November 22, 2022Assignee: SK hynix Inc.Inventor: Hyangkeun Yoo
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Patent number: 11508889Abstract: A light-emitting device includes a carrier with a first surface and a second surface opposite to the first surface; and a light-emitting unit disposed on the first surface and configured to emit a light toward but not passing through the first surface. When emitting the light, the light-emitting device has a first light intensity above the first surface, and a second light intensity under the second surface, a ratio of the first light intensity to the second light intensity is in a range of 2˜9.Type: GrantFiled: December 28, 2020Date of Patent: November 22, 2022Assignee: EPISTAR CORPORATIONInventors: Chiu-Lin Yao, Shuo-Chieh Kan, Chun-Wei Lin, Been-Yu Liaw
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Patent number: 11508700Abstract: Disclosed herein are display devices having a left projector and a right projector. According to certain embodiments, a display device includes a first display package having a first LED die, a second LED die, a third LED die, and a first backplane die that is electrically connected to the first LED die, the second LED die, and the third LED die. Each of the first LED die, the second LED die, and the third LED die is symmetric about a first plane that is parallel to an emission direction of the first LED die and perpendicular to a longitudinal direction of the first LED die. The first backplane die is symmetric about a second plane that is parallel to the emission direction of the first LED die and parallel to the longitudinal direction of the first LED die.Type: GrantFiled: April 23, 2020Date of Patent: November 22, 2022Assignee: META PLATFORMS TECHNOLOGIES, LLCInventor: Rajendra D. Pendse
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Patent number: 11508709Abstract: The invention relates to a method, an arrangement and an array, in which a structured contact layer and an elastic carrier layer arranged on a first side of the structured contact layer and connected to the structure contact layer by means of a bonded connection is produced, and in which at least one optoelectronic semiconductor component is arranged on the structured contact layer, on a second side of the structured contact layer, opposing the first side, and is electrically and mechanically connected to the structured contact layer, an elastic conversion layer in an irradiation region being applied to the structured contact layer and the elastic carrier layer in such a way that at least the optoelectronic semiconductor component is embedded in the conversion layer, at least in sections, and a connection region of the structure contact layer remains uncovered.Type: GrantFiled: February 7, 2019Date of Patent: November 22, 2022Assignee: Osram OLED GmbHInventors: Martin Brandl, Zeljko Pajkic, Luca Haiberger
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Patent number: 11495613Abstract: A memory device can include a strained single-crystalline silicon layer and an alternating stack of insulating layers and electrically conductive layers located over the strained single-crystalline silicon layer. A memory opening fill structure extending through the alternating stack may include an epitaxial silicon-containing pedestal channel portion, and a vertical semiconductor channel, and a vertical stack of memory elements located adjacent to the vertical semiconductor channel Additionally or alternatively, a drain region can include a semiconductor drain portion and a nickel-aluminum-semiconductor alloy drain portion.Type: GrantFiled: August 4, 2020Date of Patent: November 8, 2022Assignee: SANDISK TECHNOLOGIES LLCInventors: Ashish Baraskar, Raghuveer S. Makala, Peter Rabkin
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Patent number: 11482788Abstract: An antenna device includes a package, a radiating element, and a director. The package includes a radio frequency (RF) die and a molding compound in contact with a sidewall of the RF die. The radiating element is in the molding compound and electrically coupled to the RF die. The director is in the molding compound, wherein the radiating element is between the director and the RF die, and a top of the radiating element is substantially coplanar with a top of the director.Type: GrantFiled: September 4, 2020Date of Patent: October 25, 2022Assignee: TAIWAN SEMICONDUCTOR MANUFACTURING CO., LTD.Inventors: Chuei-Tang Wang, Chung-Hao Tsai, Jeng-Shien Hsieh, Wei-Heng Lin, Kuo-Chung Yee, Chen-Hua Yu
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Patent number: 11476296Abstract: The present invention discloses a double color micro LED display panel including a plurality of pixels. Each of the pixels includes a substrate, a first semiconductor layer configured on the substrate, a second semiconductor layer configured on the first semiconductor layer, and a third semiconductor layer configured between the first semiconductor layer and the second semiconductor layer. The first semiconductor layer and the second semiconductor layer are N type, and the third semiconductor layer is P type. The first semiconductor layer and the third semiconductor layer form a first light emitting diode to emit a first light, and the second semiconductor layer and the third semiconductor layer form a second light emitting diode to emit a second light.Type: GrantFiled: August 31, 2020Date of Patent: October 18, 2022Assignee: HONG KONG BEIDA JADE BIRD DISPLAY LIMITEDInventors: Quchao Xu, Qiming Li
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Patent number: 11462525Abstract: An optical coupling device includes a light receiving element provided with a first output terminal and a second output terminal, a light emitting element provided on the light receiving element, a first switching element, a first electrode plate, and a sealing member. The first switching element is provided side by side on the light receiving element. A first main terminal and a control terminal are provided on an upper surface of the first switching element. A second main terminal is provided on a lower surface of the first switching element. The first main terminal is connected to the first output terminal. The control terminal is connected to the second output terminal. An upper surface of the first electrode plate is connected to the second main terminal. The sealing member covers the light receiving element, the light emitting element, and the first switching element.Type: GrantFiled: September 8, 2020Date of Patent: October 4, 2022Assignees: KABUSHIKI KAISHA TOSHIBA, TOSHIBA ELECTRONIC DEVICES & STORAGE CORPORATIONInventors: Mami Fujihara, Naoya Takai, Kazuki Tanaka, Takenori Yasuzumi, Yoshio Noguchi, Tsuyoshi Tokiwa
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Patent number: 11462523Abstract: A display module and a manufacturing method thereof is provided. The display module may include a substrate; a thin film transistor (TFT) layer disposed on a surface of the substrate; a plurality of LED packages including a connection substrate and a plurality of LEDs disposed on a first surface of the connection substrate; and a wiring configured to electrically connect the TFT layer and the plurality of LEDs. The wiring includes a first wiring for electrically coupling with the plurality of LEDs on the first surface, and a second wiring for electrically coupling with the TFT layer on a second surface of the connection substrate.Type: GrantFiled: May 28, 2020Date of Patent: October 4, 2022Assignee: SAMSUNG ELECTRONICS CO., LTD.Inventors: Jinhee Kang, Taesoon Park, Youngki Jung, Chulgyu Jung