Patents by Inventor Yu-Yun Lo
Yu-Yun Lo has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
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Patent number: 11069556Abstract: A micro component structure includes a substrate, at least one micro component and a fixing structure. The micro component is disposed on the substrate, has a spacing from the substrate and has at least one top surface. The fixing structure is disposed on the substrate and includes at least one covering portion and at least one connecting portion. The covering portion is disposed on a portion of the top surface of the micro component, and the connecting portion is connected to an edge of the covering portion and extends onto the substrate. At least one of the covering portion and the connecting portion includes at least one patterned structure.Type: GrantFiled: April 8, 2020Date of Patent: July 20, 2021Assignee: PlayNitride Display Co., Ltd.Inventors: Bo-Wei Wu, Yu-Yun Lo, Shiang-Ning Yang, Ying-Ting Lin
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Patent number: 11056614Abstract: A micro light-emitting diode chip includes an epitaxial structure, a first electrode, and a second electrode. The epitaxial structure includes a first type doped semiconductor layer, a light emitting layer, and a second type doped semiconductor layer, and the epitaxial structure further includes a first surface, a side surface and a second surface opposite to the first surface. The side surface of the epitaxial structure connects to an outer edge of the first surface and an outer edge of the second surface. The first electrode is disposed on the first surface, and is electrically connected to the first type doped semiconductor layer and contacts the first type doped semiconductor layer on a portion of the first surface. The second electrode is disposed on and surrounds the side surface, and electrically connected to the second type doped semiconductor layer, and directly contacts the second type doped semiconductor layer on a portion of the side surface.Type: GrantFiled: November 7, 2019Date of Patent: July 6, 2021Assignee: PlayNitride Inc.Inventors: Yu-Hung Lai, Yu-Yun Lo, Tzu-Yang Lin
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Publication number: 20210175278Abstract: A micro light-emitting diode display panel includes a substrate, a plurality of pixel structures, and a plurality of wavelength conversion structures. The pixel structures are disposed on the substrate. Each pixel structure includes a plurality of micro light-emitting diodes. The micro light-emitting diodes are formed by a plurality of different portions of a connected epitaxial structure. The wavelength conversion structures are disposed in the epitaxial structure and are respectively aligned with at least a portion of the micro light-emitting diodes.Type: ApplicationFiled: April 20, 2020Publication date: June 10, 2021Applicant: PlayNitride Display Co., Ltd.Inventors: Yu-Yun Lo, Sheng-Yuan Sun, Chih-Ling Wu, Yen-Yeh Chen
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Patent number: 11031525Abstract: A micro light emitting diode chip having a plurality of light-emitting regions, including a semiconductor epitaxial structure, a first electrode and a plurality of second electrodes disposed at interval is provided. The semiconductor epitaxial structure includes a first-type doped semiconductor layer, a plurality of second-type doped semiconductor layers and a plurality of light-emitting layers disposed at interval. The light-emitting layers are located between the first-type doped semiconductor layer and the second-type doped semiconductor layer. The light-emitting layers are located in the light-emitting regions respectively and electrically contact to the first-type doped semiconductor layer. The first electrode is electrically connected and contacts to the first-type doped semiconductor layers. The second electrodes are electrically connected to the second-type doped semiconductor layers. Furthermore, a display panel is also provided.Type: GrantFiled: July 21, 2020Date of Patent: June 8, 2021Assignee: PlayNitride Inc.Inventors: Yu-Hung Lai, Yu-Yun Lo, Tzu-Yang Lin
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Publication number: 20210166966Abstract: A micro component structure includes a substrate, at least one micro component and a fixing structure. The micro component is disposed on the substrate, has a spacing from the substrate and has at least one top surface. The fixing structure is disposed on the substrate and includes at least one covering portion and at least one connecting portion. The covering portion is disposed on a portion of the top surface of the micro component, and the connecting portion is connected to an edge of the covering portion and extends onto the substrate. At least one of the covering portion and the connecting portion includes at least one patterned structure.Type: ApplicationFiled: April 8, 2020Publication date: June 3, 2021Applicant: PlayNitride Display Co., Ltd.Inventors: Bo-Wei Wu, Yu-Yun Lo, Shiang-Ning Yang, Ying-Ting Lin
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Publication number: 20210167261Abstract: A micro component structure includes a substrate, a micro component and a fixing structure. The micro component and the fixing structure are disposed on the substrate. The micro component has a spacing from the substrate. The fixing structure includes a first supporting layer and a second supporting layer. The micro component is connected to the substrate through the fixing structure. The first supporting layer is connected to the micro component and located between the second supporting layer and the micro component. A refractive index of the first supporting layer is greater than a refractive index of the second supporting layer.Type: ApplicationFiled: March 16, 2020Publication date: June 3, 2021Applicant: PlayNitride Display Co., Ltd.Inventors: Yu-Yun Lo, Bo-Wei Wu, Sheng-Chieh Liang, Shiang-Ning Yang
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Patent number: 11005019Abstract: A structure with micro devices includes a substrate, at least one micro device, and at least one holding structure. The micro device is disposed on the substrate. The micro device has a top surface and a bottom surface opposite to each other, a peripheral surface connected with the top surface and the bottom surface, a first-type electrode, and a second-type electrode. The holding structure is disposed on the substrate and is away from the first-type electrode and the second-type electrode. The holding structure includes at least one connecting portion and at least one holding portion. The connecting portion is disposed on an edge of the top surface of the micro device. The holding portion is connected to the connecting portion and extends onto the substrate.Type: GrantFiled: December 7, 2018Date of Patent: May 11, 2021Assignee: PlayNitride Inc.Inventors: Chih-Ling Wu, Yi-Min Su, Yu-Yun Lo
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Publication number: 20200411739Abstract: A micro device includes an epitaxial structure and a light guide structure. The epitaxial structure has a top surface. The light guide structure is disposed on the top surface, and the light guide structure includes a connecting portion and a covering portion. The connecting portion is disposed on an edge of the epitaxial structure and extends along a sidewall of the epitaxial structure. The covering portion is disposed on the top surface and connected to the connecting portion. A width of the connecting portion at the edge of the epitaxial structure is smaller than a width away from the top surface.Type: ApplicationFiled: September 9, 2020Publication date: December 31, 2020Applicant: PlayNitride Inc.Inventors: Chih-Ling Wu, Yi-Min Su, Yu-Yun Lo
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Patent number: 10879306Abstract: A micro semiconductor structure is provided. The micro semiconductor structure includes a substrate, a plurality of micro semiconductor devices disposed on the substrate, and a first supporting layer disposed between the substrate and the micro semiconductor devices. Each of the micro semiconductor devices has a first electrode and a second electrode disposed on a lower surface of the micro semiconductor devices. The lower surface includes a region, wherein the region is between the first electrode and the second electrode. An orthographic projection of the first supporting layer on the substrate at least overlaps an orthographic projection of a portion of the region on the substrate. The first supporting layer directly contacts the region.Type: GrantFiled: June 7, 2019Date of Patent: December 29, 2020Assignee: PLAYNITRIDE DISPLAY CO., LTD.Inventors: Chih-Ling Wu, Ying-Tsang Liu, Pei-Hsin Chen, Yi-Chun Shih, Yi-Ching Chen, Yu-Chu Li, Huan-Pu Chang, Yu-Yun Lo, Yi-Min Su, Tzu-Yang Lin, Yu-Hung Lai
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Patent number: 10833220Abstract: A method for manufacturing a micro light emitting diode device is provided. A connection layer and epitaxial structures are formed on a substrate. A first pad is formed on each of the epitaxial structures. A first adhesive layer is formed on the connection layer, and the first adhesive layer encapsulates the epitaxial structures and the first pads. A first substrate is connected to the first adhesive layer. The substrate is removed, and a second substrate is connected to the connection layer through a second adhesive layer. The first substrate and the first adhesive layer are removed. The connection layer located between any two adjacent epitaxial structures are partially removed to form a plurality of connection portions. Each of the connection portions is connected to the corresponding epitaxial structure, and a side edge of each of the connection portions protrudes from a side wall surface of the corresponding epitaxial structure.Type: GrantFiled: April 29, 2019Date of Patent: November 10, 2020Assignee: PlayNitride Inc.Inventors: Yu-Yun Lo, Tzu-Yang Lin, Yu-Hung Lai
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Publication number: 20200350466Abstract: A micro light emitting diode chip having a plurality of light-emitting regions, including a semiconductor epitaxial structure, a first electrode and a plurality of second electrodes disposed at interval is provided. The semiconductor epitaxial structure includes a first-type doped semiconductor layer, a plurality of second-type doped semiconductor layers and a plurality of light-emitting layers disposed at interval. The light-emitting layers are located between the first-type doped semiconductor layer and the second-type doped semiconductor layer. The light-emitting layers are located in the light-emitting regions respectively and electrically contact to the first-type doped semiconductor layer. The first electrode is electrically connected and contacts to the first-type doped semiconductor layers. The second electrodes are electrically connected to the second-type doped semiconductor layers. Furthermore, a display panel is also provided.Type: ApplicationFiled: July 21, 2020Publication date: November 5, 2020Applicant: PlayNitride Inc.Inventors: Yu-Hung Lai, Yu-Yun Lo, Tzu-Yang Lin
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Publication number: 20200343421Abstract: A structure with micro device includes a substrate, at least one micro device, and at least one holding structure. The micro device includes an epitaxial structure and an overcoat layer. The epitaxial structure has a top surface and a bottom surface opposite to each other and a peripheral surface connecting the top surface and the bottom surface. The overcoat layer includes a contact portion and an extension portion. The contact portion covers the peripheral surface and the bottom surface of the epitaxial structure. The extension portion connects the contact portion and extends in a direction away from the peripheral surface. The holding structure includes at least one connecting portion, at least one sacrificial portion and at least one holding portion. The connecting portion is disposed on the top surface of the epitaxial structure and the extension portion of the overcoat layer. The sacrificial portion connects the connecting portion and the holding portion.Type: ApplicationFiled: July 26, 2019Publication date: October 29, 2020Applicant: PlayNitride Display Co., Ltd.Inventors: Yi-Min Su, Sheng-Chieh Liang, Chih-Ling Wu, Gwo-Jiun Sheu, Yu-Yun Lo
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Patent number: 10804130Abstract: A structure with micro device including a substrate, at least one micro device, and at least one holding structure is provided. The micro device having a top surface is disposed on the substrate, and the top surface is away from the substrate. The holding structure including at least one connecting portion and at least one holding portion is disposed on the substrate. The connecting portion is disposed on at least one edge of the micro device. The holding portion connects the connecting portion and extends to the substrate. From a top view direction, a width of the connecting portion gradually increases from the edge of the micro device to the holding portion.Type: GrantFiled: December 7, 2018Date of Patent: October 13, 2020Assignee: PlayNitride Inc.Inventors: Chih-Ling Wu, Yi-Min Su, Yu-Yun Lo
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Patent number: 10797029Abstract: A structure with micro device includes a substrate, a plurality of micro devices, and a plurality of holding structures. The micro devices are disposed on the substrate and arranged in multiple rows. Each of the micro devices has a top surface. The holding structures are respectively disposed on the top surface of each of the micro devices and extend to the substrate. Distances between the holding structure on the micro devices on any one of the rows and the holding structures on the micro devices on two adjacent rows are different.Type: GrantFiled: December 7, 2018Date of Patent: October 6, 2020Assignee: PlayNitride Inc.Inventors: Chih-Ling Wu, Yi-Min Su, Yu-Yun Lo
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Publication number: 20200303585Abstract: A method for manufacturing a micro light emitting diode device is provided. A connection layer and a plurality of epitaxial structures are formed on a substrate, wherein the epitaxial structures are separated from each other and relative positions therebetween are fixed via the connection layer. A first pad is formed on each of the epitaxial structures. A plurality of light blocking layers are formed between the epitaxial structures, wherein the light blocking layers and the epitaxial structures are alternately arranged. Each of the epitaxial structures is bonded to a destination substrate after forming the light blocking layers. The substrate is removed to expose the connection layer. A light conversion layer is formed corresponding to each of the epitaxial structures, wherein a width of the light conversion layer is greater than or equal to a distance between any two of the light blocking layers.Type: ApplicationFiled: June 9, 2020Publication date: September 24, 2020Applicant: PlayNitride Inc.Inventors: Yu-Yun Lo, Chih-Ling Wu, Yi-Min Su, Yen-Yeh Chen, Yi-Chun Shih
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Patent number: 10763393Abstract: A micro light emitting diode chip having a plurality of light-emitting regions, including a semiconductor epitaxial structure, a first electrode and a plurality of second electrodes disposed at interval is provided. The semiconductor epitaxial structure includes a first-type doped semiconductor layer, a plurality of second-type doped semiconductor layers and a plurality of light-emitting layers disposed at interval. The light-emitting layers are located between the first-type doped semiconductor layer and the second-type doped semiconductor layer. The light-emitting layers are located in the light-emitting regions respectively and electrically contact to the first-type doped semiconductor layer. The first electrode is electrically connected and contacts to the first-type doped semiconductor layers. The second electrodes are electrically connected to the second-type doped semiconductor layers. Furthermore, a display panel is also provided.Type: GrantFiled: January 10, 2018Date of Patent: September 1, 2020Assignee: PlayNitride Inc.Inventors: Yu-Hung Lai, Yu-Yun Lo, Tzu-Yang Lin
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Patent number: 10748804Abstract: A structure with micro device including a substrate, at least one micro device and at least one holding structure is provided. The micro device is disposed on the substrate and has a top surface away from the substrate, a bottom surface opposite to the top surface, and a circumferential surface connecting the top surface and the bottom surface. The holding structure is disposed on the substrate. From the cross-sectional view, a thickness of the holding structure is not fixed from the boundary of the top surface and the circumferential surface to the substrate. The micro device is connected to the substrate through the holding structure.Type: GrantFiled: July 17, 2019Date of Patent: August 18, 2020Assignee: PlayNitride Inc.Inventors: Chih-Ling Wu, Yi-Min Su, Yu-Yun Lo
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Publication number: 20200259050Abstract: A micro light emitting device display apparatus including a circuit substrate, a plurality of micro light emitting devices, a first common electrode layer, and a second common electrode layer is provided. The micro light emitting devices are disposed on the circuit substrate and individually include an epitaxial structure and a first-type electrode and a second-type electrode respectively disposed on two side surfaces of the epitaxial structure opposite to each other. The first common electrode layer is disposed on the circuit substrate and directly covers the plurality of first-type electrodes of the micro light emitting devices. The second common electrode layer is disposed between the micro light emitting devices. The first common electrode layer is electrically connected to the second common electrode layer.Type: ApplicationFiled: April 30, 2020Publication date: August 13, 2020Applicant: PlayNitride Display Co., Ltd.Inventors: Chih-Ling Wu, Yen-Yeh Chen, Yi-Min Su, Yi-Chun Shih, Bo-Wei Wu, Yu-Yun Lo, Ying-Ting Lin, Tzu-Yang Lin
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Publication number: 20200176508Abstract: A micro semiconductor structure is provided. The micro semiconductor structure includes a substrate, a plurality of micro semiconductor devices disposed on the substrate, and a first supporting layer disposed between the substrate and the micro semiconductor devices. Each of the micro semiconductor devices has a first electrode and a second electrode disposed on a lower surface of the micro semiconductor devices. The lower surface includes a region, wherein the region is between the first electrode and the second electrode. An orthographic projection of the first supporting layer on the substrate at least overlaps an orthographic projection of a portion of the region on the substrate. The first supporting layer directly contacts the region.Type: ApplicationFiled: June 7, 2019Publication date: June 4, 2020Applicant: PlayNitride Display Co., Ltd.Inventors: Chih-Ling WU, Ying-Tsang LIU, Pei-Hsin CHEN, Yi-Chun SHIH, Yi-Ching CHEN, Yu-Chu LI, Huan-Pu CHANG, Yu-Yun LO, Yi-Min SU, Tzu-Yang LIN, Yu-Hung LAI
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Patent number: 10629778Abstract: A light emitting diode structure including a substrate, a semiconductor epitaxial structure, a first insulating layer, a first reflective layer, a second reflective layer, a second insulating layer and at least one electrode. The substrate has a tilt surface. The semiconductor epitaxial structure at least exposes the tilt surface. The first insulating layer exposes a portion of the semiconductor epitaxial structure. The first reflective layer is at least partially disposed on the portion of the semiconductor epitaxial structure and electrically connected to the semiconductor epitaxial structure. The second reflective layer is disposed on the first reflective layer and the first insulating layer, and covers at least the portion of the tilt surface. The second insulating layer is disposed on the second reflective layer. The electrode is disposed on the second reflective layer and electrically connected to the first reflective layer and the semiconductor epitaxial structure.Type: GrantFiled: April 15, 2019Date of Patent: April 21, 2020Assignee: Genesis Photonics Inc.Inventors: Yi-Ru Huang, Yu-Yun Lo, Chih-Ling Wu, Jing-En Huang, Shao-Ying Ting