Patents by Inventor Jan Way CHIEN
Jan Way CHIEN 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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Publication number: 20240405054Abstract: A monolithic array chip comprises a first semiconductor layer; a common electrode located on the first semiconductor layer; a first light-emitting unit with a first electrode located on the first semiconductor layer; a second light-emitting unit with a second electrode located on the first semiconductor layer; a third light-emitting unit with a third electrode located on the first semiconductor layer, wherein the first light-emitting unit, the second light-emitting unit, and the third light-emitting unit are separated from each other by a trench.Type: ApplicationFiled: May 30, 2024Publication date: December 5, 2024Inventors: Min-Hsun HSIEH, Chih-Ming WANG, Jan-Way CHIEN, Hui-Ching FENG, Yu-Chi WANG, Hsia-Ching CHENG
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Publication number: 20240204131Abstract: A manufacturing method for a light-emitting device includes: forming a semiconductor stack; forming an electrode on the semiconductor stack, wherein the electrode includes a first top surface and a side surface; forming an insulating stack on the semiconductor stack and the electrode, wherein the insulating stack includes a plurality of first sub-layers with a first refractive index and a plurality of second sub-layers with a second refractive index alternately stacked; removing a portion of the insulating stack to expose the first top surface, leaving another portion of the insulating stack having a second top surface surrounding the first top surface, and a level of the second top surface is lower than or equal to that of the first upper surface; and forming an electrode pad on the insulating stack, wherein the electrode pad contacts the first top surface.Type: ApplicationFiled: December 14, 2023Publication date: June 20, 2024Inventors: Jan-Way CHIEN, Heng-Ying CHO, Wei-Ting CHANG
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Publication number: 20240203920Abstract: The present disclosure provides a semiconductor device. The semiconductor device includes a first electrode and a second electrode disposed on a substrate, a first conductive bump disposed on the first electrode, and a second conductive bump disposed on the second electrode, wherein, the first conductive bump has a first convex top surface, the second conductive bump has a second convex top surface, and the top of the first convex top surface and the top of the second convex top surface substantially have a same horizontal height. The composition of the first electrode includes a first metal. The composition of the first conductive bump includes the first metal and a second metal. The content of the first metal in the first conductive bump is gradually decreased in a direction away from the first electrode.Type: ApplicationFiled: December 12, 2023Publication date: June 20, 2024Inventors: Min-Hsun HSIEH, Shih-An LIAO, Jan-Way CHIEN
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Publication number: 20230215981Abstract: A light-emitting device includes a semiconductor stack, a first electrode, a first electrode pad, and second electrode pads. The semiconductor stack includes a first semiconductor layer, a first mesa formed on the first semiconductor layer, and second mesas spaced apart from each other and formed on the first semiconductor layer and separated from the first mesa. The first mesa and the second mesas respectively include a second semiconductor layer on having a second conductivity type different from a first conductivity type of the semiconductor stack. The first electrode covers and contacts the first mesa and is electrically connected to the first semiconductor layer. The first electrode pad is formed on the first mesa and is connected to the first electrode layer. The second electrode pads are formed on the second mesas, and are electrically connected to the second semiconductor layer of each of the second mesas.Type: ApplicationFiled: December 22, 2022Publication date: July 6, 2023Inventor: Jan-Way CHIEN
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Patent number: 10886438Abstract: A manufacturing method of a light-emitting device, comprising providing a growth substrate; forming a light-emitting stack on the growth substrate, the light-emitting stack comprising a first surface, a second surface opposite to the first surface, and a sidewall connecting the first surface and the second surface; forming a patterned dielectric layer on the first surface, the patterned dielectric layer comprising a first portion and a second portion separated from the first portion; attaching a permanent substrate to the light-emitting stack; removing the growth substrate after the permanent substrate is attached to the light-emitting stack; forming a plurality of trenches in the light-emitting stack to form a plurality of light-emitting units, wherein the plurality of light-emitting units are insulated from each other; and cutting along the plurality of trenches, wherein an outer part of the second portion of the patterned dielectric layer is thinned.Type: GrantFiled: January 3, 2019Date of Patent: January 5, 2021Assignee: EPISTAR CORPORATIONInventors: Jan Way Chien, Tzchiang Yu, Hsiao Yu Lin, Chyi Yang Sheu
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Publication number: 20190157513Abstract: A manufacturing method of a light-emitting device, comprising providing a growth substrate; forming a light-emitting stack on the growth substrate, the light-emitting stack comprising a first surface, a second surface opposite to the first surface, and a sidewall connecting the first surface and the second surface; forming a patterned dielectric layer on the first surface, the patterned dielectric layer comprising a first portion and a second portion separated from the first portion; attaching a permanent substrate to the light-emitting stack; removing the growth substrate after the permanent substrate is attached to the light-emitting stack; forming a plurality of trenches in the light-emitting stack to form a plurality of light-emitting units, wherein the plurality of light-emitting units are insulated from each other; and cutting along the plurality of trenches, wherein an outer part of the second portion of the patterned dielectric layer is thinned.Type: ApplicationFiled: January 3, 2019Publication date: May 23, 2019Inventors: Jan Way Chien, Tzchiang Yu, Hsiao Yu Lin, Chyi Yang Sheu
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Patent number: 10211373Abstract: A light-emitting device comprises a light-emitting stack comprising a first surface, a roughened surface, and a sidewall connecting the first surface and the roughened surface; an electrode structure formed on the roughened surface of the light-emitting stack; a dielectric layer formed on the first surface of the light-emitting stack; a barrier layer covering the dielectric layer; a first reflective electrode between the barrier layer and the first surface of the light-emitting stack; and a passivation layer covering the sidewall of the light-emitting stack and the roughened surface of the light-emitting stack which is not occupied by the electrode structure, wherein the electrode structure is surrounded by the passivation layer, and the passivation layer contacts an surface of the electrode structure and terminates at the surface of the electrode structure.Type: GrantFiled: December 7, 2016Date of Patent: February 19, 2019Assignee: EPISTAR CORPORATIONInventors: Jan Way Chien, Tzchiang Yu, Hsiao Yu Lin, Chyi Yang Sheu
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Publication number: 20170092814Abstract: A light-emitting device comprises a light-emitting stack comprising a first surface, a roughened surface, and a sidewall connecting the first surface and the roughened surface; an electrode structure formed on the roughened surface of the light-emitting stack; a dielectric layer formed on the first surface of the light-emitting stack; a barrier layer covering the dielectric layer; a first reflective electrode between the barrier layer and the first surface of the light-emitting stack; and a passivation layer covering the sidewall of the light-emitting stack and the roughened surface of the light-emitting stack which is not occupied by the electrode structure, wherein the electrode structure is surrounded by the passivation layer, and the passivation layer contacts an surface of the electrode structure and terminates at the surface of the electrode structure.Type: ApplicationFiled: December 7, 2016Publication date: March 30, 2017Inventors: Jan Way CHIEN, Tzchiang YU, Hsiao Yu LIN, Chyi Yang SHEU
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Patent number: 9548423Abstract: A light-emitting device is disclosed that includes a light-emitting stack comprising a first surface; a patterned dielectric layer formed on the first surface, comprising a first portion and a second portion substantially surrounding the first portion and having substantially the same thickness with that of the first portion; a first reflective electrode covering the first portion of the patterned dielectric layer; and a barrier layer covering the first reflective electrode and the second portion of the patterned dielectric layer.Type: GrantFiled: November 28, 2014Date of Patent: January 17, 2017Assignee: EPISTAR CORPORATIONInventors: Jan Way Chien, Tzchiang Yu, Hsiao Yu Lin, Chyi Yang Sheu
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Publication number: 20150155442Abstract: A light-emitting device is disclosed that includes a light-emitting stack comprising a first surface; a patterned dielectric layer formed on the first surface, comprising a first portion and a second portion substantially surrounding the first portion and having substantially the same thickness with that of the first portion; a first reflective electrode covering the first portion of the patterned dielectric layer; and a barrier layer covering the first reflective electrode and the second portion of the patterned dielectric layer.Type: ApplicationFiled: November 28, 2014Publication date: June 4, 2015Inventors: Jan Way CHIEN, Tzchiang YU, Hsiao Yu LIN, Chyi Yang SHEU