Patents by Inventor Yih-Hua Renn
Yih-Hua Renn 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: 11380824Abstract: The application discloses a light-emitting device including a carrier, a light-emitting element and a connecting structure. The carrier includes a first connecting portion and a first necking portion extended from the first connecting portion. The first connecting portion has a first width, and the first necking portion has a second width. The second width is less than the first width. The light-emitting element includes a first light-emitting layer being able to emit a first light and a first contacting electrode formed under the first light-emitting layer. The first contacting electrode is corresponded to the first connecting portion. The connecting structure includes a first electrical connecting portion and a protecting portion surrounding the first electrical connecting portion. The first electrical connecting portion is electrically connected to the first connecting portion and the first contacting electrode.Type: GrantFiled: August 11, 2020Date of Patent: July 5, 2022Assignee: EPISTAR CORPORATIONInventors: Ching-Tai Cheng, Shau-Yi Chen, Yih-Hua Renn, Wei-Shan Hu, Pei-Hsuan Lan
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Patent number: 11355723Abstract: A light-emitting device includes a light-emitting element having a first electrode and a second electrode, a carrier, a first contact and a second contact. The first contact is arranged on the carrier and is electrically connected to the first electrode. The second contact is arranged on the carrier and is electrically connected to the second electrode. The first contact has a contour similar with that of the first electrode. The second contact has a contour similar with that of the second electrode.Type: GrantFiled: September 14, 2020Date of Patent: June 7, 2022Assignee: EPISTAR CORPORATIONInventors: Yih-Hua Renn, Shau-Yi Chen, Ching-Tai Cheng, Aurelien Gauthier-Brun
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Patent number: 10950771Abstract: A light-emitting device includes a heat-dissipating structure having a first part and a second part separated from the first part; a light-emitting unit including a light-emitting element with a first pad formed on the first part; and a first transparent enclosing the light-emitting element and having a sidewall; and an adhesive material covering a portion of the sidewall.Type: GrantFiled: March 16, 2020Date of Patent: March 16, 2021Assignee: EPISTAR CORPORATIONInventors: Min-Hsun Hsieh, Biing-Jye Lee, Yih-Hua Renn, Jai-Tai Kuo
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Publication number: 20210013443Abstract: A light-emitting device includes a light-emitting element having a first electrode and a second electrode, a carrier, a first contact and a second contact. The first contact is arranged on the carrier and is electrically connected to the first electrode. The second contact is arranged on the carrier and is electrically connected to the second electrode. The first contact has a contour similar with that of the first electrode. The second contact has a contour similar with that of the second electrode.Type: ApplicationFiled: September 14, 2020Publication date: January 14, 2021Inventors: Yih-Hua Renn, Shau-Yi Chen, Ching-Tai Cheng, Aurelien Gauthier-Brun
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Patent number: 10890553Abstract: A sensing device includes a first III-V compound stack and a second III-V compound stack. The first III-V compound stack has a first sensing area, and the second III-V compound stack has a second sensing area. A passivation layer fully covers the second sensing area. The first III-V compound stack is physically separated from the second III-V compound stack, and has material compositions and structures same as the second III-V compound stack.Type: GrantFiled: November 6, 2017Date of Patent: January 12, 2021Assignee: EPISTAR CORPORATIONInventors: Kunal Kashyap, Kun-Wei Kao, Yih-Hua Renn, Meng-Lun Tsai, Zong-Xi Chen, Hsin-Mao Liu, Jui-Hung Yeh, Hung-Chi Wang
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Patent number: 10862011Abstract: A light-emitting device includes a light-emitting element and a wavelength conversion layer. The light-emitting element has a top surface, a bottom surface, a side surface, and a first electrical contact formed on the bottom surface. The distance between the top surface and the bottom surface has a first height (h1). The wavelength conversion layer has a first area (A1) located on the top surface of the light-emitting element and a second area (A2) located on the side surfaces and surrounding the first area. The first area has a second height (h2). The second area has a third height (h3) and a second width (w2). The second height (h2) is greater than the second width (w2). The difference of the third height and the sum of the first height and the second height is less than 15 ?m.Type: GrantFiled: September 9, 2016Date of Patent: December 8, 2020Assignee: EPISTAR CORPORATIONInventors: Yih-Hua Renn, Ching-Tai Cheng, Chun-Hua Shih
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Publication number: 20200373468Abstract: The application discloses a light-emitting device including a carrier, a light-emitting element and a connecting structure. The carrier includes a first connecting portion and a first necking portion extended from the first connecting portion. The first connecting portion has a first width, and the first necking portion has a second width. The second width is less than the first width. The light-emitting element includes a first light-emitting layer being able to emit a first light and a first contacting electrode formed under the first light-emitting layer. The first contacting electrode is corresponded to the first connecting portion. The connecting structure includes a first electrical connecting portion and a protecting portion surrounding the first electrical connecting portion. The first electrical connecting portion is electrically connected to the first connecting portion and the first contacting electrode.Type: ApplicationFiled: August 11, 2020Publication date: November 26, 2020Inventors: Ching-Tai CHENG, Shau-Yi CHEN, Yih-Hua RENN, Wei-Shan HU, Pei-Hsuan LAN
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Patent number: 10825970Abstract: An embodiment of present disclosure discloses a light-emitting device which includes a light-emitting unit, a transparent covering structure, a first reflective structure, a second reflective structure, and a wavelength conversion structure. The light-emitting unit includes a light-emitting surface, a bottom surface opposite to the light-emitting surface, a side surface, a first conductive electrode, and a second conductive electrode. The first conductive electrode and the second conductive electrode are located on the bottom surface. The transparent covering structure covers the light-emitting surface and the side surface. The first reflective structure surrounds the transparent covering structure. The second reflective structure is disposed under the first reflective structure and surrounds the first conductive electrode and the second conductive electrode. The wavelength conversion structure is disposed on the first reflective structure and the transparent covering structure.Type: GrantFiled: February 24, 2017Date of Patent: November 3, 2020Assignee: Epistar CorporationInventors: Min-Hsun Hsieh, Ming-Chi Hsu, Ching-Tai Cheng, Yu-Hsi Sung, Lung-Kuan Lai, Yih-Hua Renn
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Patent number: 10804435Abstract: A light-emitting device includes a semiconductor stack including a first semiconductor layer, a second semiconductor layer, and an active layer emitting an UV light, formed between the first semiconductor layer and the second semiconductor layer; a first transparent conductive layer formed on the second semiconductor layer, the first transparent conductive layer including metal oxide; and a second transparent conductive layer formed on the first transparent conductive layer, the second transparent conductive layer including graphene, wherein the first transparent conductive layer is continuously formed over a top surface of the second semiconductor layer, the first transparent conductive layer comprises a thickness smaller than 10 nm.Type: GrantFiled: August 25, 2017Date of Patent: October 13, 2020Assignee: EPISTAR CORPORATIONInventors: Chang-Tai Hisao, I-Lun Ma, Hao-Yu Chen, Shu-Fen Hu, Ru-Shi Liu, Chih-Ming Wang, Chun-Yuan Chen, Yih-Hua Renn, Chien-Hsin Wang, Yung-Hsiang Lin
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Patent number: 10777764Abstract: A light-emitting device includes a light-emitting element having a first electrode and a second electrode, a carrier, a first contact and a second contact. The first contact is arranged on the carrier and is electrically connected to the first electrode. The second contact is arranged on the carrier and is electrically connected to the second electrode. The first contact has a contour similar with that of the first electrode. The second contact has a contour similar with that of the second electrode.Type: GrantFiled: December 26, 2018Date of Patent: September 15, 2020Assignee: Epistar CorporationInventors: Yih-Hua Renn, Shau-Yi Chen, Ching-Tai Cheng, Aurelien Gauthier-Brun
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Patent number: 10741734Abstract: The application discloses a light-emitting device including a carrier, a light-emitting element and a connecting structure. The carrier includes a first connecting portion and a first necking portion extended from the first connecting portion. The first connecting portion has a first width, and the first necking portion has a second width. The second width is less than the first width. The light-emitting element includes a first light-emitting layer being able to emit a first light and a first contacting electrode formed under the first light-emitting layer. The first contacting electrode is corresponded to the first connecting portion. The connecting structure includes a first electrical connecting portion and a protecting portion surrounding the first electrical connecting portion. The first electrical connecting portion is electrically connected to the first connecting portion and the first contacting electrode.Type: GrantFiled: January 30, 2019Date of Patent: August 11, 2020Assignee: EPISTAR CORPORATIONInventors: Ching-Tai Cheng, Shau-Yi Chen, Yih-Hua Renn, Wei-Shan Hu, Pei-Hsuan Lan
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Patent number: 10714666Abstract: A light-emitting device includes a light body having an internal electrode layer, and a conductive layer. The conductive layer has a first portion formed on the internal electrode layer and overlapping the light body in a first direction, and a second portion overlapping the light body in a second direction. The first direction is perpendicular to the second direction.Type: GrantFiled: March 11, 2019Date of Patent: July 14, 2020Assignee: Epistar CorporationInventors: Lung-Kuan Lai, Ching-Tai Cheng, Yih-Hua Renn, Min-Hsun Hsieh, Chun-Hung Liu, Shih-An Liao, Ming-Chi Hsu, Yu Chen Liao
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Publication number: 20200220061Abstract: A light-emitting device includes a heat-dissipating structure having a first part and a second part separated from the first part; a light-emitting unit including a light-emitting element with a first pad formed on the first part; and a first transparent enclosing the light-emitting element and having a sidewall; and an adhesive material covering a portion of the sidewall.Type: ApplicationFiled: March 16, 2020Publication date: July 9, 2020Inventors: Min-Hsun HSIEH, Biing-Jye LEE, Yih-Hua RENN, Jai-Tai KUO
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Patent number: 10593849Abstract: This disclosure discloses a light-emitting device. The light-emitting device includes: a heat-dissipating structure having a first part and a second part separated from the first part; a light-emitting unit including a light-emitting element with a first pad formed on the first part; and a first transparent enclosing the light-emitting element and having a sidewall; and an adhesive material covering a portion of the sidewall.Type: GrantFiled: January 10, 2018Date of Patent: March 17, 2020Assignee: EPISTAR CORPORATIONInventors: Min-Hsun Hsieh, Biing-Jye Lee, Yih-Hua Renn, Jai-Tai Kuo
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Patent number: 10522721Abstract: A light-emitting device includes a light-emitting element, a wavelength conversion layer, a light pervious element and a light-reflecting enclosure. The light-emitting element includes a top surface, a bottom surface, and a side surface between the top surface and the bottom surface. The wavelength conversion layer covers the top surface of the light-emitting element, and includes a plurality of wavelength conversion particles having an equivalent particle diameter D50. The light pervious element includes a recess structure and an outer wall. The light-reflecting enclosure surrounds the outer wall. The D50 of the wavelength conversion particles is not great than 10 ?m. The recess structure is laterally overlapped with the side surface of the light-emitting element and the wavelength conversion layer.Type: GrantFiled: July 27, 2018Date of Patent: December 31, 2019Assignee: EPISTAR CORPORATIONInventors: Ching-Tai Cheng, Chun-Hua Shih, Yih-Hua Renn
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Patent number: 10381536Abstract: A light-emitting device includes a light-emitting element, a light pervious layer, an electrode defining layer, a first soldering pad and a second soldering pad. The light-emitting element has an upper surface, a bottom surface, and a lateral surface arranged between the upper surface and the bottom surface. The light pervious layer covers the upper surface and the lateral surface. The electrode defining layer covers a part of the light pervious layer. The first soldering pad and the second soldering pad are surrounded by the electrode defining layer. A gap is located between the first soldering pad and the second soldering pad while the gap remains substantially constant.Type: GrantFiled: September 8, 2017Date of Patent: August 13, 2019Assignee: EPISTAR CORPORATIONInventors: Ching-Tai Cheng, Lung-Kuan Lai, Yih-Hua Renn, Min-Hsun Hsieh
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Publication number: 20190237637Abstract: The application discloses a light-emitting device including a carrier, a light-emitting element and a connecting structure. The carrier includes a first connecting portion and a first necking portion extended from the first connecting portion. The first connecting portion has a first width, and the first necking portion has a second width. The second width is less than the first width. The light-emitting element includes a first light-emitting layer being able to emit a first light and a first contacting electrode formed under the first light-emitting layer. The first contacting electrode is corresponded to the first connecting portion. The connecting structure includes a first electrical connecting portion and a protecting portion surrounding the first electrical connecting portion. The first electrical connecting portion is electrically connected to the first connecting portion and the first contacting electrode.Type: ApplicationFiled: January 30, 2019Publication date: August 1, 2019Inventors: Ching-Tai CHENG, Shau-Yi CHEN, Yih-Hua RENN, Wei-Shan HU, Pei-Hsuan LAN
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Publication number: 20190221728Abstract: An embodiment of present disclosure discloses a light-emitting device which includes a first light-emitting unit, a second light-emitting unit, a first optic structure, a second optic structure, a first light-transmitting structure, a second light-transmitting structure, and a light-blocking structure. The first optic structure covers a top surface and a side surface of the first light-emitting unit, the second optic structure covers a top surface and a side surface of the second light-emitting unit. The first light-transmitting structure covers the first optic structure. The second light-transmitting structure covers the second optic structure. The light-blocking structure surrounds the first light-emitting unit and the second light-emitting unit, and covers the side surfaces of the first optic structure, the second optic structure, the first light-transmitting structure and the second light-transmitting structure.Type: ApplicationFiled: January 17, 2019Publication date: July 18, 2019Inventors: Jen-Chieh YU, Yih-Hua RENN, Hsin-Mao LIU, Lung-Kuan LAI, Ching-Tai CHENG
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Publication number: 20190207069Abstract: A light-emitting device includes a light body having an internal electrode layer, and a conductive layer. The conductive layer has a first portion formed on the internal electrode layer and overlapping the light body in a first direction, and a second portion overlapping the light body in a second direction. The first direction is perpendicular to the second direction.Type: ApplicationFiled: March 11, 2019Publication date: July 4, 2019Inventors: Lung-Kuan LAI, Ching-Tai CHENG, Yih-Hua RENN, Min-Hsun HSIEH, Chun-Hung LIU, Shih-An LIAO, Ming-Chi HSU, Yu Chen LIAO
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Patent number: 10340431Abstract: This disclosure discloses a light-emitting device. The light-emitting device includes a light-emitting diode, a pad electrically connected to the active layer, a metal bump formed on the pad, and a reflective insulation layer. The metal bump has a first side surface and a first bottom surface, wherein the first bottom surface comprises a curved boundary, a longer axis, and a shorter axis. The reflective insulation layer is directly contacting the first side surface, and exposing the first bottom surface.Type: GrantFiled: January 10, 2018Date of Patent: July 2, 2019Assignee: EPISTAR CORPORATIONInventors: Jai-Tai Kuo, Min-Hsun Hsieh, Lung-Kuan Lai, Wei-Kang Cheng, Chien-Liang Liu, Yih-Hua Renn, Shou-Lung Chen, Tsun-Kai Ko, Chi-Chih Pu