Patents by Inventor Tzer-Perng Chen
Tzer-Perng Chen 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: 11949050Abstract: An LED bulb with a screw base; a cover forming an accommodation space with the screw base; an LED filament located in the accommodation space including a substrate comprising a top surface, a side surface, and an extension direction; a plurality of LED chips disposed on the first top surface; a first electrode arranged on the top surface, electrically connected to the plurality of LED chips; and a first clamp including first and second projecting prongs. The first electrode is clamped by the first and second projecting prongs within the accommodation space. The LED bulb has an imaginary rotational axis not parallel to the extension direction.Type: GrantFiled: September 19, 2022Date of Patent: April 2, 2024Assignees: EPISTAR CORPORATION, KAISTAR LIGHTING (XIAMEN) CO., LTD.Inventors: Tzer-Perng Chen, Tzu-Chi Cheng
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Publication number: 20230012204Abstract: An LED bulb with a screw base; a cover forming an accommodation space with the screw base; an LED filament located in the accommodation space including a substrate comprising a top surface, a side surface, and an extension direction; a plurality of LED chips disposed on the first top surface; a first electrode arranged on the top surface, electrically connected to the plurality of LED chips; and a first clamp including first and second projecting prongs. The first electrode is clamped by the first and second projecting prongs within the accommodation space. The LED bulb has an imaginary rotational axis not parallel to the extension direction.Type: ApplicationFiled: September 19, 2022Publication date: January 12, 2023Inventors: TZER-PERNG CHEN, TZU-CHI CHENG
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Patent number: 11482651Abstract: The disclosure discloses an optoelectronic element comprising: an optoelectronic unit comprising a first metal layer, a second metal layer, and an outermost lateral surface; an insulating layer having a first portion overlapping the optoelectronic unit and extending beyond the lateral surface, and a second portion separated from the first portion in a cross-sectional view; and a first conductive layer formed on the insulating layer.Type: GrantFiled: June 12, 2020Date of Patent: October 25, 2022Assignee: EPISTAR CORPORATIONInventors: Cheng-Nan Han, Tsung-Xian Lee, Min-Hsun Hsieh, Hung-Hsuan Chen, Hsin-Mao Liu, Hsing-Chao Chen, Ching-San Tao, Chih-Peng Ni, Tzer-Perng Chen, Jen-Chau Wu
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Patent number: 11450791Abstract: An LED bulb with an LED assembly, including a substrate having a first top surface, longer side surface and shorter side surface; a mount disposed on the first top surface, having a first inner side surface and second inner side surface facing the first inner side surface; a plurality of LED chips on the first top surface, arranged between the first and second inner side surfaces, having a second top surface; an electrode plate formed on the mount, electrically connected to the plurality of LED chips with a third top surface which does not extend beyond the shorter side surface in a top view; and a phosphor layer covering the plurality of LED chips, mount, and electrode plate, without covering the side surfaces; and a cover covering the LED assembly. The third top surface is higher than the second top surface in an elevation based on the first top surface.Type: GrantFiled: February 1, 2021Date of Patent: September 20, 2022Assignees: EPISTAR CORPORATION, KAISTAR LIGHTING (XIAMEN) CO., LTD.Inventors: Tzer-Perng Chen, Tzu-Chi Cheng
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Publication number: 20210217926Abstract: A light-emitting apparatus comprises a board having a plurality of conductive channels penetrating thereof; a plurality of light emitting units for emitting different color lights, disposed on the board and electrically connected to the plurality of conductive channels; and an opaque layer arranged on the board for preventing the plurality of light emitting units from crosstalk, and comprising a plurality of holes for exposing and separating the plurality of light emitting units in a top view.Type: ApplicationFiled: March 31, 2021Publication date: July 15, 2021Inventors: Min-Hsun HSIEH, Tzer-Perng CHEN, Jen-Chau WU, Yuh-Ren SHIEH, Chuan-Cheng TU
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Publication number: 20210151640Abstract: An LED bulb with an LED assembly, including a substrate having a first top surface, longer side surface and shorter side surface; a mount disposed on the first top surface, having a first inner side surface and second inner side surface facing the first inner side surface; a plurality of LED chips on the first top surface, arranged between the first and second inner side surfaces, having a second top surface; an electrode plate formed on the mount, electrically connected to the plurality of LED chips with a third top surface which does not extend beyond the shorter side surface in a top view; and a phosphor layer covering the plurality of LED chips, mount, and electrode plate, without covering the side surfaces; and a cover covering the LED assembly. The third top surface is higher than the second top surface in an elevation based on the first top surface.Type: ApplicationFiled: February 1, 2021Publication date: May 20, 2021Inventors: TZER-PERNG CHEN, TZU-CHI CHENG
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Patent number: 10978615Abstract: The present disclosure provides a light-emitting apparatus comprising a board having a plurality of first metal contacts and a plurality of second metal contacts on a top surface; a plurality of LEDs being bonded to the board, the each of the LEDs comprising a first cladding layer on the substrate, an active layer on the first cladding layer, a second cladding layer on the active layer, an upper surface on the second cladding layer, a first metal layer, and a second metal layer, wherein the first metal layer and the second metal layer are between the active layer and the board; an opaque layer between the adjacent LEDs and comprising a polymer mixed with a plurality of inorganic particles; and an encapsulating layer on the upper surfaces and opposite to the board, wherein the encapsulating layer does not cover a side wall of the active layer; and an underfill material between the board and the plurality of LEDs, wherein the underfill material surrounds each of the first metal layer and the second metal layer.Type: GrantFiled: March 24, 2020Date of Patent: April 13, 2021Assignee: Epistar CorporationInventors: Min-Hsun Hsieh, Tzer-Perng Chen, Jen-Chau Wu, Yuh-Ren Shieh, Chuan-Cheng Tu
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Patent number: 10910528Abstract: This disclosure discloses an LED assembly. The LED assembly includes a transparent mount with a top surface and a bottom surface opposite to the top surface, an LED chip arranged on the top surface, an electrode plate, a first phosphor layer having a first phosphor, and a second phosphor layer having a second phosphor, wherein the transparent mount and the electrode plate substantially have a same width. The electrode plate is arranged on an edge of the top surface and electrically connected to the LED chip.Type: GrantFiled: June 10, 2019Date of Patent: February 2, 2021Assignees: EPISTAR CORPORATION, KAISTAR LIGHTING (XIAMEN) CO., LTD.Inventors: Tzer-Perng Chen, Tzu-Chi Cheng
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Publication number: 20200313051Abstract: The disclosure discloses an optoelectronic element comprising: an optoelectronic unit comprising a first metal layer, a second metal layer, and an outermost lateral surface; an insulating layer having a first portion overlapping the optoelectronic unit and extending beyond the lateral surface, and a second portion separated from the first portion in a cross-sectional view; and a first conductive layer formed on the insulating layer.Type: ApplicationFiled: June 12, 2020Publication date: October 1, 2020Inventors: Cheng-Nan HAN, Tsung-Xian LEE, Min-Hsun HSIEH, Hung-Hsuan CHEN, Hsin-Mao LIU, Hsing-Chao CHEN, Ching-San TAO, Chih-Peng NI, Tzer- Perng CHEN, Jen-Chau WU
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Publication number: 20200227591Abstract: The present disclosure provides a light-emitting apparatus comprising a board having a plurality of first metal contacts and a plurality of second metal contacts on a top surface; a plurality of LEDs being bonded to the board, the each of the LEDs comprising a first cladding layer on the substrate, an active layer on the first cladding layer, a second cladding layer on the active layer, an upper surface on the second cladding layer, a first metal layer, and a second metal layer, wherein the first metal layer and the second metal layer are between the active layer and the board; an opaque layer between the adjacent LEDs and comprising a polymer mixed with a plurality of inorganic particles; and an encapsulating layer on the upper surfaces and opposite to the board, wherein the encapsulating layer does not cover a side wall of the active layer; and an underfill material between the board and the plurality of LEDs, wherein the underfill material surrounds each of the first metal layer and the second metal layer.Type: ApplicationFiled: March 24, 2020Publication date: July 16, 2020Inventors: Min-Hsun HSIEH, Tzer-Perng CHEN, Jen-Chau WU, Yuh-Ren SHIEH, Chuan-Cheng TU
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Patent number: 10686106Abstract: The disclosure discloses an optoelectronic element comprising: an optoelectronic unit comprising a first metal layer, a second metal layer, and an outermost lateral surface; an insulating layer having a first portion overlapping the optoelectronic unit and extending beyond the lateral surface, and a second portion separated from the first portion in a cross-sectional view; and a first conductive layer formed on the insulating layer.Type: GrantFiled: May 7, 2018Date of Patent: June 16, 2020Assignee: EPISTAR CORPORATIONInventors: Cheng-Nan Han, Tsung-Xian Lee, Min-Hsun Hsieh, Hung-Hsuan Chen, Hsin-Mao Liu, Hsing-Chao Chen, Ching-San Tao, Chih-Peng Ni, Tzer-Perng Chen, Jen-Chau Wu
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Patent number: 10529898Abstract: An optoelectronic element includes an optoelectronic unit, a first metal layer, a second metal layer, a conductive layer and a transparent structure. The optoelectronic unit has a central line in a top view, a top surface, and a bottom surface. The second metal layer is formed on the top surface, and has an extension portion crossing over the central line and extending to the first metal layer. The conductive layer covers the first metal layer and the extension portion. The transparent structure covers the bottom surface without covering the top surface.Type: GrantFiled: August 16, 2017Date of Patent: January 7, 2020Assignee: EPISTAR CORPORATIONInventors: Cheng-Nan Han, Tsung-Xian Lee, Min-Hsun Hsieh, Hung-Hsuan Chen, Hsin-Mao Liu, Hsing-Chao Chen, Ching San Tao, Chih-Peng Ni, Tzer-Perng Chen, Jen-Chau Wu, Masafumi Sano, Chih-Ming Wang
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Publication number: 20190296198Abstract: This disclosure discloses an LED assembly. The LED assembly includes a transparent mount with a top surface and a bottom surface opposite to the top surface, an LED chip arranged on the top surface, an electrode plate, a first phosphor layer having a first phosphor, and a second phosphor layer having a second phosphor, wherein the transparent mount and the electrode plate substantially have a same width. The electrode plate is arranged on an edge of the top surface and electrically connected to the LED chip.Type: ApplicationFiled: June 10, 2019Publication date: September 26, 2019Inventors: TZER-PERNG CHEN, TZU-CHI CHENG
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Patent number: 10319886Abstract: This disclosure discloses an LED assembly. The LED assembly includes a transparent mount with a top surface and a bottom surface opposite to the top surface, an LED chip arranged on the top surface, an electrode plate, a first phosphor layer having a first phosphor, and a second phosphor layer having a second phosphor, wherein the transparent mount and the electrode plate substantially have a same width. The electrode plate is arranged on an edge of the top surface and electrically connected to the LED chip.Type: GrantFiled: April 17, 2018Date of Patent: June 11, 2019Assignees: Epistar Corporation, Kaistar Lighting (Xiamen) Co., Ltd.Inventors: Tzer-Perng Chen, Tzu-Chi Cheng
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Publication number: 20180254391Abstract: The disclosure discloses an optoelectronic element comprising: an optoelectronic unit comprising a first metal layer, a second metal layer, and an outermost lateral surface; an insulating layer having a first portion overlapping the optoelectronic unit and extending beyond the lateral surface, and a second portion separated from the first portion in a cross-sectional view; and a first conductive layer formed on the insulating layer.Type: ApplicationFiled: May 7, 2018Publication date: September 6, 2018Inventors: Cheng-Nan HAN, Tsung-Xian LEE, Min-Hsun HSIEH, Hung-Hsuan CHEN, Hsin-Mao LIU, Hsing-Chao CHEN, Ching-San TAO, Chih-Peng NI, Tzer- Perng CHEN, Jen-Chau WU
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Publication number: 20180233635Abstract: This disclosure discloses an LED assembly. The LED assembly includes a transparent mount with a top surface and a bottom surface opposite to the top surface, an LED chip arranged on the top surface, an electrode plate, a first phosphor layer having a first phosphor, and a second phosphor layer having a second phosphor, wherein the transparent mount and the electrode plate substantially have a same width. The electrode plate is arranged on an edge of the top surface and electrically connected to the LED chip.Type: ApplicationFiled: April 17, 2018Publication date: August 16, 2018Inventors: TZER-PERNG CHEN, TZU-CHI CHENG
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Patent number: 9947839Abstract: This disclosure discloses an LED assembly. The LED assembly includes a transparent mount with a top surface and a bottom surface opposite to the top surface, an LED chip arranged on the top surface, an electrode plate, a first phosphor layer having a first phosphor, and a second phosphor layer having a second phosphor, wherein the transparent mount and the electrode plate substantially have a same width. The electrode plate is arranged on an edge of the top surface and electrically connected to the LED chip.Type: GrantFiled: October 19, 2016Date of Patent: April 17, 2018Assignees: Huga Optotech Inc., Interlight Optotech CorporationInventors: Tzer-Perng Chen, Tzu-Chi Cheng
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Patent number: 9893244Abstract: An optoelectronic element includes an optoelectronic unit, a first metal layer, a second metal layer, a conductive layer and a transparent structure. The optoelectronic unit has a central line in a top view, a top surface, and a bottom surface. The second metal layer is formed on the top surface, and has an extension portion crossing over the central line and extending to the first metal layer. The conductive layer covers the first metal layer and the extension portion. The transparent structure covers the bottom surface without covering the top surface.Type: GrantFiled: September 18, 2015Date of Patent: February 13, 2018Assignee: EPISTAR CORPORATIONInventors: Cheng-Nan Han, Tsung-Xian Lee, Min-Hsun Hsieh, Hung-Hsuan Chen, Hsin-Mao Liu, Hsing-Chao Chen, Ching San Tao, Chih-Peng Ni, Tzer-Perng Chen, Jen-Chau Wu, Masafumi Sano, Chih-Ming Wang
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Publication number: 20180019382Abstract: An optoelectronic element includes an optoelectronic unit, a first metal layer, a second metal layer, a conductive layer and a transparent structure. The optoelectronic unit has a central line in a top view, a top surface, and a bottom surface. The second metal layer is formed on the top surface, and has an extension portion crossing over the central line and extending to the first metal layer. The conductive layer covers the first metal layer and the extension portion. The transparent structure covers the bottom surface without covering the top surface.Type: ApplicationFiled: September 18, 2015Publication date: January 18, 2018Inventors: Cheng-Nan HAN, Tsung-Xian LEE, Min-Hsun HSIEH, Hung-Hsuan CHEN, Hsin-Mao LIU, Hsing-Chao CHEN, Ching San TAO, Chih-Peng NI, Tzer-Perng CHEN, Jen-Chau WU, Masafumi SANO, Chih-Ming WANG
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Publication number: 20170365750Abstract: An optoelectronic element includes an optoelectronic unit, a first metal layer, a second metal layer, a conductive layer and a transparent structure. The optoelectronic unit has a central line in a top view, a top surface, and a bottom surface. The second metal layer is formed on the top surface, and has an extension portion crossing over the central line and extending to the first metal layer. The conductive layer covers the first metal layer and the extension portion. The transparent structure covers the bottom surface without covering the top surface.Type: ApplicationFiled: August 16, 2017Publication date: December 21, 2017Inventors: Cheng-Nan HAN, Tsung-Xian LEE, Min-Hsun HSIEH, Hung-Hsuan CHEN, Hsin-Mao LIU, Hsing-Chao CHEN, Ching San TAO, Chih-Peng NI, Tzer-Perng CHEN, Jen-Chau WU, Masafumi SANO, Chih-Ming WANG