Packaging (epo) Patents (Class 257/E33.056)
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Patent number: 12132135Abstract: A light emitting device with on-chip optical power readout includes a light emitting mesa and a light detecting mesa formed adjacent to each other on the same substrate of a chip, and a portion of the light emitted from the light emitting mesa is transmitted to the light detecting mesa at least through the substrate. The light emitting mesa and the light detecting mesa have exactly the same epitaxial structure and can be electrically isolated from each other by an insulation layer, or an airgap formed therebetween, or by ion implantation. The light emitting mesa and the light detecting mesa can also share an n-type structure and a common n-electrode while having their own p-electrode, respectively.Type: GrantFiled: March 25, 2022Date of Patent: October 29, 2024Assignee: BOLB INC.Inventors: Jianping Zhang, Ying Gao, Ling Zhou, Alexander Lunev
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Patent number: 12125949Abstract: A light emitting device includes a light emitting diode chip, a light transmitting member, a white barrier member, and a conductive adhesive member. The light emitting diode chip has a bump pad formed on the lower surface thereof. The light transmitting member covers the side surfaces and the upper surface of the light emitting diode chip, and the upper surface of the light transmitting member has a rectangular shape having long sides and short sides. The conductive adhesive member is formed to extend through the white barrier member from the bottom of the light emitting diode chip. The upper surface of the conductive adhesive member is connected to the bump pad of the light emitting diode chip, and the lower surface of the conductive adhesive member is exposed at the lower surface of the white barrier member.Type: GrantFiled: November 8, 2023Date of Patent: October 22, 2024Assignee: SEOUL SEMICONDUCTOR CO., LTD.Inventor: Ji Ho Kim
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Patent number: 12100694Abstract: A light emitting device including an insulation unit, a light emitting region including first, second, and third LED stacks each including first and second conductivity type semiconductor layers, a first pillar electrically connected to the first conductivity type semiconductor layers of the first, second, and third LED stacks, and a second pillar, a third pillar, and a fourth pillar electrically connected to the second conductivity type semiconductor layers of the first, second, and third LED stacks, respectively, an intermediate first connector and a lower first connector respectively electrically connecting the first conductivity type semiconductor layers of the second LED stack and the third LED stack to the first pillar, in which the insulation unit have four corners, and the first, second, third, and fourth pillars are disposed near the four corners covering a side surface of the insulation unit, respectively.Type: GrantFiled: April 10, 2023Date of Patent: September 24, 2024Assignee: SEOUL VIOSYS CO., LTD.Inventor: Jong Hyeon Chae
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Patent number: 12095492Abstract: To provide a radio frequency module and a communication device capable of achieving reduction in height. The radio frequency module includes a mounting substrate and one or more chip inductors. The mounting substrate has a recess at least one end of both ends in a second direction orthogonal to a first direction that is a thickness direction of the mounting substrate. A second chip inductor that is at least one chip inductor of the one or more chip inductors is disposed in the recess.Type: GrantFiled: February 17, 2022Date of Patent: September 17, 2024Assignee: MURATA MANUFACTURING CO., LTD.Inventors: Isao Takenaka, Shogo Yanase, Takayuki Oshima
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Patent number: 12089488Abstract: An organic electroluminescent device having a capping layer composed of material having a high refractive index, excelling in thin film stability and durability and having no absorption in the respective wavelength ranges of blue, green, and red is provided to improve device characteristics of the organic electroluminescent device, particularly to greatly improve light extraction efficiency. The organic electroluminescent device has at least an anode electrode, a hole transport layer, a light emitting layer, an electron transport layer, a cathode electrode, and the capping layer in this order, wherein the capping layer contains an arylamine compound (X) having a structure in which two triphenylamine structures are joined within a molecule via a single bond or a divalent group that does not contain a heteroatom.Type: GrantFiled: December 6, 2018Date of Patent: September 10, 2024Assignee: Hodogaya Chemical Co., Ltd.Inventors: Norimasa Yokoyama, Shuichi Hayashi, Shigeru Kusano
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Patent number: 12087667Abstract: An electronic device includes: a substrate including a through hole; a connecting element disposed in the through hole; a first insulating layer disposed on the substrate and including a first via; a first conductive element disposed on the first insulating layer and electrically connected to the connecting element through the first via; a second insulating layer disposed on the first conductive element and comprising a second via; a second conductive element disposed on the second insulating layer and electrically connected to the first conductive element through the second via; and a third conductive element disposed under the substrate and electrically connected to the connecting element, wherein, in a cross-sectional view of the electronic device, the second via is not overlapping with the connecting element.Type: GrantFiled: May 8, 2023Date of Patent: September 10, 2024Assignee: INNOLUX CORPORATIONInventors: Jui-Jen Yueh, Kuan-Feng Lee, Yuan-Lin Wu
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Patent number: 12089424Abstract: In various aspects, the present disclosure provides photodetector devices that may be provided in arrays. The photodetector includes a first electrode, a second electrode, and a photoactive layer assembly disposed therebetween. The photoactive layer assembly comprises a first charge transport layer, a second charge transport layer, and an amorphous silicon (a-Si) material substantially free of doping and being substantially free of doping disposed between the first charge transport layer and the second charge transport layer. The photodetector device transmits light in a predetermined range of wavelengths and is capable of generating detectable photocurrent when light having a light intensity of less than or equal to about 50 Lux is directed towards the photodetector device.Type: GrantFiled: January 16, 2019Date of Patent: September 10, 2024Assignee: The Regents of The University of MichiganInventors: Lingjie J. Guo, Qingyu Cui
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Patent number: 12062684Abstract: A light emitting diode (LED) pixel for a display including a first LED stack having a first well layer, a second LED stack disposed on the first LED stack and having a second well layer, a third LED stack disposed on the second LED stack and having a third well layer, a first electrode disposed on the first LED stack and in ohmic contact with the first LED stack, a second electrode disposed on the second LED stack and in ohmic contact with a surface of the second LED stack, and a third electrode in ohmic contact with a surface of the third LED stack, in which the first well layer includes at least one base material different from that of the second well layer.Type: GrantFiled: March 15, 2023Date of Patent: August 13, 2024Assignee: SEOUL VIOSYS CO., LTD.Inventors: Jong Hyeon Chae, Chung Hoon Lee, Seong Gyu Jang, Chang Yeon Kim, Ho Joon Lee
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Patent number: 12057527Abstract: A light emitting diode includes a first semiconductor layer, a second semiconductor layer, a first pad, a second pad, and a protection bump. The first semiconductor layer and the second semiconductor layer are overlapping with each other. An area of a first surface of the first semiconductor layer is larger than an area of a second surface of the second semiconductor layer. The first surface faces the second surface. The first pad is electrically connected to the first semiconductor layer. The second pad is electrically connected to the second semiconductor layer. The protection bump is located between the first pad and the second pad.Type: GrantFiled: October 19, 2021Date of Patent: August 6, 2024Assignee: Au Optronics CorporationInventors: Chia-Hui Pai, Wen-Hsien Tseng
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Patent number: 12050338Abstract: A light emitting module includes a light guide plate including a first face, a second face opposing the first face, and a through part penetrating between the first face and the second face, a light emitting device disposed in the through part on a second face side, a light transmissive member disposed on the light emitting device in the through hole on a first face side and between the light emitting device and a lateral wall of the through part, and a first light reflecting member disposed between an upper face of the light emitting device and the light transmissive member while being in contact with the upper face of the light emitting device.Type: GrantFiled: March 22, 2023Date of Patent: July 30, 2024Assignee: NICHIA CORPORATIONInventor: Tadao Hayashi
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Patent number: 12046587Abstract: A light emitting module including a circuit board and a lighting emitting device thereon and including first, second, and third LED stacks each including first and second conductivity type semiconductor layers, a first bonding layer between the second and third LED stacks, a second bonding layer between the first and second LED stacks, a first planarization layer between the second bonding layer and the third LED stack, a second planarization layer on the first LED stack, a lower conductive material extending along sides of the first planarization layer, the second LED stack, the first bonding layer, and electrically connected to the first conductivity type semiconductor layers of each LED stack, respectively, and an upper conductive material between the circuit board and the lower conductive material.Type: GrantFiled: July 27, 2023Date of Patent: July 23, 2024Assignee: SEOUL VIOSYS CO., LTD.Inventors: Seom Geun Lee, Seong Kyu Jang, Yong Woo Ryu, Jong Hyeon Chae
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Patent number: 12029064Abstract: A foldable, flexible display apparatus includes a flexible display panel which displays an image and includes a display side on which the image is displayed and of which portions thereof face each other in a folded state of the flexible display apparatus; a cover window on the display side of the flexible display panel and including: a window film comprising a transparent plastic film having a modulus of elasticity of about 6.3 gigapascals or more; and a coating layer on the window film, and configured to be transparent and to protect the window film from physical damage thereto; and an adhesive layer between the window film and the display side of the flexible display panel, and configured to have elasticity and bond the window film and the flexible display panel to each other.Type: GrantFiled: February 21, 2023Date of Patent: July 2, 2024Assignee: Samsung Display Co., Ltd.Inventors: Yong-Cheol Jeong, Seung-Wook Nam, So-Yeon Han, Kyu-Young Kim, Ah-Young Kim, Gui-Nam Min, Kyu-Taek Lee
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Patent number: 12019266Abstract: A display apparatus including a display panel, a light source configured to emit light, and a light guide disposed on the light source and covering a side of the light source, the light source including a substrate, a light emitter including a light emitting stacked layer and disposed on the substrate, a light blocking layer disposed on a side surface of the light emitting stacked layer, and a reflector disposed between the substrate and the light guide, in which the light emitter has a first length direction and a second length direction, wherein orientation angles of the light emitter in the first and second length directions are different from each other, the substrate includes a first pad electrode and second pad electrode electrically connected to the light emitter, and the first and second pad electrodes are spaced apart from each other by at least 50 ?m.Type: GrantFiled: December 23, 2022Date of Patent: June 25, 2024Assignee: Seoul Semiconductor Co., Ltd.Inventors: Seung Ri Choi, Eun Ju Kim, Hee Soo Lim
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Patent number: 12021166Abstract: A light-emitting device includes a substrate, multiple light-emitting units that are disposed on the substrate, that are spaced apart by an isolation trench and that are and electrically interconnected by an interconnecting structure, and an insulating layer with thickness of 200 nm to 450 nm. A potential difference between adjacent two light-emitting units not in direct electrical connection is at least two times forward voltage of each of the light-emitting units. Each light-emitting unit includes a light-emitting stack and a light-transmissible current spreading layer. The insulating layer covers the light-transmissible current spreading layers and at least a part of the light-emitting stacks.Type: GrantFiled: November 18, 2021Date of Patent: June 25, 2024Assignee: XIAMEN SAN'AN OPTOELECTRONICS CO., LTD.Inventors: Ling-Yuan Hong, Qing Wang, Dazhong Chen, Quanyang Ma, Su-Hui Lin, Chung-Ying Chang
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Patent number: 11997904Abstract: A display panel or a display device with high display quality is provided. The display panel includes a light-emitting element, an insulating layer, a protective layer, and a conductive layer. The light-emitting element includes a first electrode, a light-emitting layer, and a second electrode. The light-emitting element emits light to the protective layer side. The insulating layer includes a first opening overlapping with the first electrode. The insulating layer covers an end portion of the first electrode. The light-emitting layer overlaps with the first electrode through the first opening. The second electrode is positioned over the light-emitting layer. The protective layer is over and in contact with the second electrode. The protective layer functions as a protective layer of the light-emitting element. The protective layer includes a second opening overlapping with the insulating layer. The conductive layer is connected to the second electrode through the second opening.Type: GrantFiled: January 28, 2022Date of Patent: May 28, 2024Assignee: Semiconductor Energy Laboratory Co., Ltd.Inventors: Nozomu Sugisawa, Daiki Nakamura, Tomoya Aoyama, Yusuke Nishido
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Patent number: 11967667Abstract: A micro light-emitting diode structure is provided. The micro light-emitting diode structure includes an epitaxial layer. The micro light-emitting diode structure also includes a reflecting layer disposed on the epitaxial layer. The micro light-emitting diode structure further includes a patterned electrode layer disposed between the epitaxial layer and the reflecting layer. The patterned electrode layer is divided into a plurality of patterned electrode segments, and the patterned electrode segments are separated from each other. Moreover, the micro light-emitting diode structure includes a first-type electrode and a second-type electrode disposed on the reflecting layer and electrically connected to the epitaxial layer.Type: GrantFiled: October 14, 2021Date of Patent: April 23, 2024Assignee: PLAYNITRIDE DISPLAY CO., LTD.Inventors: Chee-Yun Low, Fei-Hong Chen, Pai-Yang Tsai
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Patent number: 11961867Abstract: Various aspects of the present disclosure provide a semiconductor device, for example comprising a finger print sensor, and a method for manufacturing thereof. Various aspects of the present disclosure may, for example, provide an ultra-slim finger print sensor having a thickness of 500 ?m or less that does not include a separate printed circuit board (PCB), and a method for manufacturing thereof.Type: GrantFiled: June 10, 2022Date of Patent: April 16, 2024Assignee: Amkor Technology Singapore Holding Pte. Ltd.Inventors: Jin Young Kim, No Sun Park, Yoon Joo Kim, Seung Jae Lee, Se Woong Cha, Sung Kyu Kim, Ju Hoon Yoon
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Patent number: 11949209Abstract: A semiconductor device includes: a package including: a heat dissipating body comprising a metal, an insulting part surrounding the heat dissipating body, one or more semiconductor laser elements disposed on the heat dissipating body, at least one outer metal layer that is located on a lower surface of the insulting part and is spaced from a lower surface of the heat dissipating body; a mounting substrate including: at least one first metal pattern located at an upper surface of the mounting substrate, and a second metal pattern located at the upper surface of the mounting substrate; at least one first bonding member located between the at least one outer metal layer and the first metal pattern; and a second bonding member located between the lower surface of the heat dissipating body and the second metal pattern, wherein the second bonding member comprises a metal material.Type: GrantFiled: January 13, 2023Date of Patent: April 2, 2024Assignee: NICHIA CORPORATIONInventors: Shohei Itonaga, Eiichiro Okahisa
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Patent number: 11949054Abstract: An optoelectronic semiconductor component may include a first semiconductor layer of a first conductivity type, a second semiconductor layer of a second conductivity type, a first contact element for making contact with the first semiconductor layer, and a second contact element for making contact with the second semiconductor layer. The first semiconductor layer may be arranged on a side facing away from a first main surface of the second semiconductor layer. Electromagnetic radiation may be output via the first main surface of the second semiconductor layer. The first contact element and the second contact element may each be arranged on a side of a first main surface of the first semiconductor layer. The first contact element may have a first section extending in a first direction, and a second section connected to the first section and extending in a second direction different from the first direction.Type: GrantFiled: August 9, 2019Date of Patent: April 2, 2024Assignee: OSRAM OLED GMBHInventors: Wolfgang Schmid, Christoph Klemp, Isabel Otto
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Patent number: 11949052Abstract: In an embodiment, the optoelectronic semiconductor component (1) comprises a semiconductor layer sequence (2) with an active zone (22) for generating a radiation. On an bottom side (20) of the semiconductor layer sequence (2) there is an electrically insulating separation layer (3) with several openings (32). An adhesion-promoting layer (4) is located next to the openings (32) on a side of the separation layer (3) facing away from the semiconductor layer sequence (2). A continuous metallization layer (5) is located on a side of the adhesion-promoting layer (4) facing away from the semiconductor layer sequence (2). The semiconductor layer sequence (2) is electrically contacted in the openings (32) directly by the metallization layer (5). The metallization layer (5) and the openings (32) are spaced from the active zone (22) in the direction perpendicular to the separation layer (3).Type: GrantFiled: February 7, 2019Date of Patent: April 2, 2024Assignee: OSRAM OLED GMBHInventors: Benjamin Reuters, Johannes Saric, Jens Müller
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Patent number: 11928274Abstract: A protective film includes a transparent substrate layer and a transparent hardened layer covering a surface of the transparent substrate layer. The transparent hardened layer includes a first region covering a middle portion of the transparent substrate layer and a second region covering an edge of the transparent substrate layer, where hardness of the first region is greater than hardness of the second region. The transparent hardened layer includes the first region and the second region.Type: GrantFiled: July 7, 2021Date of Patent: March 12, 2024Assignees: Wuhan BOE Optoelectronics Technology Co., Ltd., BOE Technology Group Co., Ltd.Inventors: Jie Han, Yuanhui Guo, Xiaoguang Yang, Xiaoyu Huang, Yang Hu
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Patent number: 11923350Abstract: A manufacturing method of a light emitting diode (LED) package structure includes the following steps. A carrier is provided. A redistribution layer is formed on the carrier. A plurality of active devices are formed on the carrier. A plurality of LEDs are transferred on the redistribution layer. The LEDs and the active devices are respectively electrically connected to the redistribution layer. The active devices are adapted to drive the LEDs, respectively. A molding compound is formed on the redistribution layer to encapsulate the LEDs. The carrier is removed to expose a bottom surface of the redistribution layer.Type: GrantFiled: December 13, 2022Date of Patent: March 5, 2024Assignee: Unimicron Technology Corp.Inventors: Ming-Ru Chen, Tzyy-Jang Tseng, Cheng-Chung Lo
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Patent number: 11923487Abstract: In an embodiment a method includes providing a carrier with an optoelectronic semiconductor chip-component arranged on a top side of the carrier, arranging a first potting material on the top side of the carrier, arranging a second potting material on the first potting material, wherein the second potting material comprises a higher density than the first potting material, wherein a top side of the optoelectronic semiconductor chip-component is covered by neither the first potting material nor the second potting material and allowing a force to act on the first potting material and the second potting material such that the second potting material migrates in a direction toward the top side of the carrier.Type: GrantFiled: December 3, 2019Date of Patent: March 5, 2024Assignee: OSRAM Opto Semiconductors GmbHInventors: Gregory Bellynck, Ivar Tangring
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Patent number: 11901342Abstract: Discontinuous bonds for semiconductor devices are disclosed herein. A device in accordance with a particular embodiment includes a first substrate and a second substrate, with at least one of the first substrate and the second substrate having a plurality of solid-state transducers. The second substrate can include a plurality of projections and a plurality of intermediate regions and can be bonded to the first substrate with a discontinuous bond. Individual solid-state transducers can be disposed at least partially within corresponding intermediate regions and the discontinuous bond can include bonding material bonding the individual solid-state transducers to blind ends of corresponding intermediate regions. Associated methods and systems of discontinuous bonds for semiconductor devices are disclosed herein.Type: GrantFiled: January 7, 2022Date of Patent: February 13, 2024Assignee: Micron Technology, Inc.Inventors: Scott D. Schellhammer, Vladimir Odnoblyudov, Jeremy S. Frei
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Patent number: 11889722Abstract: A display device of the present disclosure includes: an organic EL layer deposited on a circuit unit formed on a substrate via an insulating film; a cathode electrode deposited on the organic EL layer; a groove formed along a direction of arrangement of pixels between the pixels in the insulating film; and a contact electrode that is provided at a bottom of the groove and receives a predetermined potential. Moreover, the cathode electrode is electrically connected to the contact electrode in the groove.Type: GrantFiled: December 6, 2021Date of Patent: January 30, 2024Assignee: Sony Group CorporationInventor: Naoya Kasahara
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Patent number: 11870021Abstract: A semiconductor light-emitting device includes a substrate, a semiconductor light-emitting element, and a resin member. The substrate includes a base member and a conductive part. The semiconductor light-emitting element is supported on the substrate. The resin member covers at least a portion of the substrate. The base member has a front surface and a back surface that face opposite to each other in a thickness direction. The conductive part includes a front portion formed on the front surface. The semiconductor light-emitting element is mounted on the front portion. The resin member includes a frame-shaped portion surrounding the semiconductor light-emitting element as viewed in the thickness direction, and a front-surface covering portion connected to the frame-shaped portion and covering a portion of the front surface of the base member that is exposed from the front portion.Type: GrantFiled: June 14, 2022Date of Patent: January 9, 2024Assignee: ROHM CO., LTD.Inventors: Tomoichiro Toyama, Ryo Kittaka
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Patent number: 11854992Abstract: A method of manufacturing a semiconductor structure includes following operations. A first die is provided. A first molding is formed to encapsulate the first die. A second die is disposed over the first molding. A mold chase is disposed over the second die and the first molding. The mold chase includes a protrusion protruded from the mold chase towards the first molding. A molding material is disposed between the mold chase and the first molding. A second molding is formed to surround the second die. The second die is at least partially covered by the second molding. The disposing of the mold chase includes surrounding the protrusion of the mold chase by the molding material.Type: GrantFiled: November 19, 2021Date of Patent: December 26, 2023Assignee: TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY LTD.Inventors: Chen-Hua Yu, Kai-Chiang Wu, Chun-Lin Lu
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Patent number: 11848404Abstract: A light emitting device includes a light emitting diode chip, a light transmitting member, a white barrier member, and a conductive adhesive member. The light emitting diode chip has a bump pad formed on the lower surface thereof. The light transmitting member covers the side surfaces and the upper surface of the light emitting diode chip, and the upper surface of the light transmitting member has a rectangular shape having long sides and short sides. The conductive adhesive member is formed to extend through the white barrier member from the bottom of the light emitting diode chip. The upper surface of the conductive adhesive member is connected to the bump pad of the light emitting diode chip, and the lower surface of the conductive adhesive member is exposed at the lower surface of the white barrier member.Type: GrantFiled: August 9, 2022Date of Patent: December 19, 2023Assignee: SEOUL SEMICONDUCTOR CO., LTD.Inventor: Ji Ho Kim
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Patent number: 11842989Abstract: In some examples, an article comprises a semiconductor including at least one integrated circuit and an inorganic semiconductor layer bonded to a first surface of the semiconductor. The inorganic semiconductor layer comprises a ?LED array, and the first surface of the semiconductor extends beyond a first edge of the inorganic semiconductor layer. The first edge of the inorganic semiconductor layer is oriented substantially perpendicular to the first surface of the semiconductor.Type: GrantFiled: March 5, 2021Date of Patent: December 12, 2023Assignee: Meta Platforms Technologies, LLCInventor: Rajendra D. Pendse
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Patent number: 11837591Abstract: A manufacturing method of a light emitting diode (LED) package structure includes the following steps. A carrier is provided. A redistribution layer is formed on the carrier. A plurality of active devices are formed on the carrier. A plurality of LEDs are transferred on the redistribution layer. The LEDs and the active devices are respectively electrically connected to the redistribution layer. The active devices are adapted to drive the LEDs, respectively. A molding compound is formed on the redistribution layer to encapsulate the LEDs. The carrier is removed to expose a bottom surface of the redistribution layer.Type: GrantFiled: April 5, 2022Date of Patent: December 5, 2023Assignee: Unimicron Technology Corp.Inventors: Ming-Ru Chen, Tzyy-Jang Tseng, Cheng-Chung Lo
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Patent number: 11837585Abstract: An LED wafer includes LED dies on an LED substrate. The LED wafer and a carrier wafer are joined. The LED wafer that is joined to the carrier wafer is shaped. Wavelength conversion material is applied to the LED wafer that is shaped. Singulation is performed to provide LED dies that are joined to a carrier die. The singulated devices may be mounted in an LED fixture to provide high light output per unit area.Type: GrantFiled: November 24, 2020Date of Patent: December 5, 2023Assignee: CreeLED, Inc.Inventors: Michael John Bergmann, David Todd Emerson, Joseph G. Clark, Christopher P. Hussell
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Patent number: 11835758Abstract: A microLED based optical chip-to-chip interconnect may optically couple chips in a variety of ways. The microLEDs may be positioned within a waveguide, and the interconnects may be arranged as direct connections, in bus topologies, or as repeaters.Type: GrantFiled: November 28, 2022Date of Patent: December 5, 2023Assignee: AvicenaTech Corp.Inventors: Bardia Pezeshki, Robert Kalman, Alex Tselikov
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Patent number: 11824145Abstract: A display apparatus including a substrate, a first sub-pixel, a second sub-pixel, and a third sub-pixel disposed on the substrate and configured to emit red light, green light, and blue light, respectively, partition walls disposed between the first sub-pixel, the second sub-pixel, and the third sub-pixel, and configured to not transmit light, in which the first sub-pixel, the second sub-pixel, and the third sub-pixel include a first light emitting cell, a second light emitting cell, and a third light emitting cell, respectively, and a height of each of the first, second, and third light emitting cells is lower than a height of the partition walls, and a difference between the height of the partition walls and the height of each of the first, second, and third light emitting cells is less than 100 ?m.Type: GrantFiled: October 24, 2021Date of Patent: November 21, 2023Assignee: Seoul Viosys Co., Ltd.Inventors: Chung Hoon Lee, Sung Su Son, Jong Ik Lee, Jae Hee Lim, Motonobu Takeya, Seung Sik Hong
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Patent number: 11817433Abstract: An embodiment of present invention discloses a light-emitting device which includes a first light-emitting area, a second light-emitting area, and a third light-emitting area. The first light-emitting area emits a red light and includes a first light-emitting unit. The second light-emitting area emits a blue light and includes a second light-emitting unit. The third light-emitting area emits a green light and includes a third light-emitting unit. The first light-emitting area is larger than the second light-emitting area and larger than the third light-emitting area. Each of the first light-emitting unit, the second light-emitting unit, and the third light-emitting unit has a width of less than 100 ?m and a length of less than 100 ?m.Type: GrantFiled: October 29, 2021Date of Patent: November 14, 2023Assignee: EPISTAR CORPORATIONInventor: Min-Hsun Hsieh
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Patent number: 11808412Abstract: A LED filament including a linear array of LEDs arranged on a carrier substrate, wherein the linear array is divided into two separate longitudinal sections, a first longitudinal section including only LEDs configured to emit white light, and a second longitudinal section including only LEDs configured to emit color controllable light. The present invention suggests confining the color LEDs to the second longitudinal section of the array, so that the first longitudinal section of the array is capable of emitting homogenous white light of a color temperature in the range of the LEDs in that section.Type: GrantFiled: July 20, 2020Date of Patent: November 7, 2023Assignee: SIGNIFY HOLDING B.V.Inventors: Ties Van Bommel, Rifat Ata Mustafa Hikmet
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Patent number: 11804512Abstract: A light emitting stacked structure including a first epitaxial stack including a first n-type semiconductor layer, a first p-type semiconductor layer, and a first active layer disposed therebetween, a second epitaxial stack disposed on the first epitaxial stack and including a second n-type semiconductor layer, a second p-type semiconductor layer, and a second active layer disposed therebetween, a third epitaxial stack disposed on the second epitaxial layer and including a third n-type semiconductor layer, a third p-type semiconductor layer, and a third active layer disposed therebetween, and a shared electrode disposed between two adjacent epitaxial stacks facing each other, in which two semiconductor layers of the two adjacent epitaxial stacks with the shared electrode therebetween have a same polarity.Type: GrantFiled: January 4, 2021Date of Patent: October 31, 2023Assignee: Seoul Viosys Co., Ltd.Inventors: Jong Hyeon Chae, Seong Gyu Jang, Ho Joon Lee
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Patent number: 11804568Abstract: Optoelectronic components, groups of optoelectronic components, and methods for producing a component or a plurality of optoelectronic components are provided. The method may include providing a growth substrate having a buffer layer arranged thereon. The buffer layer may be structured in such a way that it has a plurality of the openings which are spaced apart from one another in lateral directions. A plurality of semiconductor bodies may be formed in the openings, wherein in the areas of the openings, the buffer layer has subregions which are arranged in a vertical direction between the growth substrate and the semiconductor bodies. The growth substrate may be detached from the semiconductor bodies. The buffer layer may be removed at least in the areas of the subregions.Type: GrantFiled: April 26, 2019Date of Patent: October 31, 2023Assignee: Osram OLED GmbHInventors: Rainer Hartmann, Clemens Vierheilig, Tobias Meyer, Andreas Rueckerl, Tilman Schimpke, Michael Binder
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Patent number: 11790839Abstract: An electronic device including a plurality of light-emitting units, a driving circuit, and a controlling circuit is provided. The driving circuit is configured to drive at least one of the light-emitting units. The controlling circuit is configured to control the driving circuit. The plurality of light-emitting units, the driving circuit, and the controlling circuit are respectively disposed on different substrates.Type: GrantFiled: November 10, 2022Date of Patent: October 17, 2023Assignee: Innolux CorporationInventors: Ker-Yih Kao, Ming Chun Tseng, Liang-Lu Chen, Li-Wei Mao, Shun-Yuan Hu
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Patent number: 11781730Abstract: A lighting unit which comprises a lens arrangement over a LED module is provided. The lens arrangement comprises a plate having at least one lens integrally formed by the plate for positioning over a substrate of the LED module, and at least one magnifying component integrally formed by the plate. The LED module substrate has an inspection region which is inspected through the magnifying component, so as to enable determination of a spacing between the lens arrangement and the substrate by viewing an image of the marker arrangement created by the at least one magnifying component at a given viewing location. A luminaire is also provided, which luminaire comprises a housing and the lighting unit mounted within the housing, wherein the lens arrangement (10) forms the light output window of the luminaire.Type: GrantFiled: May 6, 2021Date of Patent: October 10, 2023Assignee: SIGNIFY HOLDING, B.V.Inventors: Jia Fei, Jiang Zhang
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Patent number: 11751298Abstract: An upper surface of a lateral wall portion of a substrate includes a first upper surface portion exposed from a light-transmissive member in a first region, a second upper surface portion exposed from the light-transmissive member in a second region, and a third upper surface portion located between the first upper surface portion and the second upper surface portion in a second direction, and an upper surface of an outer peripheral portion of the light-transmissive member includes a first outer peripheral surface portion located in the first region. An area of the first upper surface portion of the lateral wall portion is greater than an area of the first outer peripheral surface portion of the outer peripheral portion of the light-transmissive member. A bonding member is disposed between the third upper surface portion of the lateral wall portion and the first lower surface portion of the light-transmissive member.Type: GrantFiled: December 22, 2022Date of Patent: September 5, 2023Assignee: NICHIA CORPORATIONInventors: Norihiro Sugimoto, Shinsuke Sannabe
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Patent number: 11728321Abstract: An optoelectronic component and a manufacturing method are disclosed. In an embodiment an optoelectronic component includes an optoelectronic semiconductor chip, a housing having a top side and two protrusions on the top side projecting beyond the top side and a transparent structure, wherein the optoelectronic semiconductor chip is arranged between the protrusions, and wherein the transparent structure is at least partially arranged on the top side of the housing between the protrusions and partially above the optoelectronic semiconductor chip.Type: GrantFiled: February 25, 2019Date of Patent: August 15, 2023Assignee: OSRAM OLED GmbHInventors: Daniel Richter, Tobias Gebuhr, Michael Betz, Markus Boss
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Patent number: 11699688Abstract: A surface-emitting light source includes: light-emitting modules; a wiring substrate including a base member having a surface at a light-emitting modules side and a rear surface opposite to that, a wiring layer on the rear surface of the base member and including wiring pads being portions of the wiring layer, electrically-conductive members each supplied across corresponding two or more of a plurality of vias in each of the wiring pads, and a covering layer covering the wiring layer and defining openings in each of which a portion of a corresponding one of the wiring pads is exposed; and an adhesive layer between the light-emitting modules and the wiring substrate. Each light-emitting module has an array of light emitting devices. The covering layer defines the openings at locations corresponding to the wiring pads with an area dimension smaller than respective area dimensions of the wiring pads.Type: GrantFiled: November 30, 2020Date of Patent: July 11, 2023Assignee: NICHIA CORPORATIONInventors: Eiko Minato, Masaaki Katsumata
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Patent number: 11682608Abstract: An electronic device includes: a flexible substrate including a through hole; a connecting element disposed in the through hole; a semiconductor disposed on the flexible substrate; and a first conductive element disposed under the flexible substrate, wherein the first conductive element electrically connects to the semiconductor through the connecting element, wherein a distance between the semiconductor and the connecting element ranges from 5 ?m to 500 ?m.Type: GrantFiled: September 23, 2021Date of Patent: June 20, 2023Assignee: INNOLUX CORPORATIONInventors: Jui-Jen Yueh, Kuan-Feng Lee, Yuan-Lin Wu
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Patent number: 11670618Abstract: A semiconductor device includes a substrate with an opening formed through the substrate. A first electronic component is disposed over the substrate outside a footprint of the first opening. A second electronic component is disposed over the substrate opposite the first electrical component. A third electronic component is disposed over the substrate adjacent to the first electronic component. The substrate is disposed in a mold including a second opening of the mold over a first side of the substrate. The mold contacts the substrate between the first electronic component and the third electronic component. An encapsulant is deposited into the second opening. The encapsulant flows through the first opening to cover a second side of the substrate. In some embodiments, a mold film is disposed in the mold, and an interconnect structure on the substrate is embedded in the mold film.Type: GrantFiled: September 1, 2020Date of Patent: June 6, 2023Assignee: STATS ChipPAC Pte. Ltd.Inventors: DeokKyung Yang, YongMin Kim, JaeHyuk Choi, YeoChan Ko, HeeSoo Lee
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Patent number: 11653570Abstract: A piezoelectric sensor includes: a lower substrate; a plurality of sensing transistors that are disposed on the lower substrate; a lower electrode that is disposed to cover the plurality of sensing transistors; a piezoelectric material layer that is disposed on the lower electrode; and an upper electrode that is disposed on the piezoelectric material layer. The piezoelectric material layer has a first thickness in a plurality of first areas in which the plurality of sensing transistors are disposed and has a second thickness which is greater than the first thickness in a second area in which the plurality of sensing transistors are not disposed. Accordingly, it is possible to further accurately and finely detect various types of biometric information.Type: GrantFiled: June 15, 2020Date of Patent: May 16, 2023Assignee: LG Display Co., Ltd.Inventors: DeukHo Yeon, TaeHyoung Moon, JaeHyun Kim, Sungjin Lee
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Patent number: 11647273Abstract: A portable electronic device and a customized image-capturing module thereof are provided. The customized image-capturing module includes a carrier substrate, an image-capturing chip, and a lens assembly. The carrier substrate includes a carrier body, a plurality of first conductive pads, and a plurality of second conductive pads. The image-capturing chip is disposed inside a concave space of the carrier body, and the image-capturing chip includes a plurality of conductive chip pads. The second conductive pads are exposed from a bottom side of the carrier body, the conductive chip pads are electrically connected to the second conductive pads through the first conductive pads, respectively, so that when the customized image-capturing module is partially disposed inside a receiving space and positioned between two electronic elements, the second conductive pads can be electrically connected to conductive substrate pads of a circuit substrate through soldering materials, respectively.Type: GrantFiled: July 23, 2021Date of Patent: May 9, 2023Assignee: AZUREWAVE TECHNOLOGIES, INC.Inventors: Tseng-Chieh Lee, Kung-An Lin, Chih-Yuan Chuang, Chien-Che Ting
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Patent number: 11646392Abstract: A method of manufacturing a light-emitting device includes: providing a substrate having a first surface and a second surface opposite to the first surface; forming, on or above the first surface of the substrate, a semiconductor structure comprising a light-emitting layer; forming a crack inside the substrate, the crack reaching the first surface of the substrate; disposing a wavelength conversion layer on the second surface of the substrate; forming a first recess in the wavelength conversion layer by removing a first portion of the wavelength conversion layer, the first portion overlapping with the crack when viewed in a direction from the wavelength conversion layer toward the semiconductor structure, and leaving a second portion of the wavelength conversion layer between the first recess and the semiconductor structure; and cleaving the second portion along the crack.Type: GrantFiled: June 8, 2021Date of Patent: May 9, 2023Assignee: NICHIA CORPORATIONInventors: Keiji Sakamoto, Takashi Abe, Hitoshi Minakuchi, Tsuyoshi Ito, Katsuyuki Kawabata, Kenji Hashizume
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Patent number: 11640953Abstract: An object is to provide a technique capable of regulating a direction in which an adhesive agent used for bonding a base plate and a case is wetly widened. A semiconductor device includes a base plate and a case. The case is bonded to a peripheral edge part of the base plate via an adhesive agent. A dip which is an application position where the adhesive agent is applied and an inclined surface directed downward from the dip toward an outer peripheral side or an inclined surface directed downward from the dip toward an inner peripheral side are formed in the peripheral edge part of the base plate.Type: GrantFiled: June 8, 2021Date of Patent: May 2, 2023Assignee: Mitsubishi Electric CorporationInventor: Masatake Harada
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Patent number: 11631627Abstract: Provided is a method of manufacturing a semiconductor having a double-sided substrate including preparing a first substrate on which a specific pattern is formed to enable electrical connection, preparing at least one semiconductor chip bonded to a metal post, bonding the at least one semiconductor chip to the first substrate, bonding a second substrate to the metal post, forming a package housing by packaging the first substrate and the second substrate to expose a lead frame, and forming terminal leads toward the outside of the package housing. Accordingly, the semiconductor chip and the metal post are previously joined to each other and are respectively bonded to the first substrate and the second substrate so that damage generated while bonding the semiconductor chip may be minimized and electrical properties and reliability of the semiconductor chip may be improved.Type: GrantFiled: April 22, 2021Date of Patent: April 18, 2023Assignee: JMJ Korea Co., Ltd.Inventor: Yun Hwa Choi
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Patent number: 11605619Abstract: A surface-emitting light source includes a plurality of light-emitting modules each including an array of a plurality of light sources and a wiring board disposed on an array of the plurality of light-emitting modules with an adhesive interposed therebetween. The plurality of light-emitting modules to be disposed on the wiring board are arranged such that a space is left between adjacent ones of the light-emitting modules. The adhesive contains a thermosetting resin and includes a penetrating portion inside the space. The penetrating portion includes a gap detached from a lateral surface of the light-emitting modules.Type: GrantFiled: February 26, 2021Date of Patent: March 14, 2023Assignee: NICHIA CORPORATIONInventors: Koji Taguchi, Yumiko Kameshima, Masaaki Katsumata