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公开(公告)号：US20180159004A1
公开(公告)日：2018-06-07
申请号：US15827549
申请日：2017-11-30
Applicant: EPISTAR CORPORATION
Inventor： Lung-Kuan LAI , Ching-Tai CHENG , Yih-Hua RENN , Min-Hsun HSIEH , Chun-Hung LIU , Shih-An LIAO , Ming-Chi HSU , Yu Chen LIAO
CPC classification number: H01L33/60 , G02B6/0051 , G02B6/0073 , H01L25/0753 , H01L33/385 , H01L33/46 , H01L33/505 , H01L33/507 , H01L33/54 , H01L33/62 , H01L2224/18 , H01L2933/0016 , H01L2933/0025 , H01L2933/0041 , H01L2933/0058 , H01L2933/0066
Abstract: 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.
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公开(公告)号：US20170077364A1
公开(公告)日：2017-03-16
申请号：US15260469
申请日：2016-09-09
Applicant: EPISTAR CORPORATION
Inventor： Yih-Hua RENN , Ching-Tai CHENG , Chun-Hua SHIH
CPC classification number: H01L33/508 , H01L33/502 , H01L33/62 , H01L2933/0041 , H01L2933/0066
Abstract: 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 μm.
Abstract translation: 发光装置包括发光元件和波长转换层。 发光元件具有顶表面，底表面，侧表面和形成在底表面上的第一电触点。 顶表面和底表面之间的距离具有第一高度（h1）。 波长转换层具有位于发光元件顶表面上的第一区域（A1）和位于侧表面上且围绕第一区域的第二区域（A2）。 第一个区域有第二个高度（h2）。 第二区域具有第三高度（h3）和第二宽度（w2）。 第二高度（h2）大于第二宽度（w2）。 第一高度和第二高度的第三高度和总和的差小于15μm。
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公开(公告)号：US20200220061A1
公开(公告)日：2020-07-09
申请号：US16820393
申请日：2020-03-16
Applicant: EPISTAR CORPORATION
Inventor： Min-Hsun HSIEH , Biing-Jye LEE , Yih-Hua RENN , Jai-Tai KUO
Abstract: 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.
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公开(公告)号：US20180159010A1
公开(公告)日：2018-06-07
申请号：US15867315
申请日：2018-01-10
Applicant: EPISTAR CORPORATION
Inventor： Min-Hsun HSIEH , Biing-Jye LEE , Yih-Hua RENN , Jai-Tai KUO
Abstract: 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.
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公开(公告)号：US20180053882A1
公开(公告)日：2018-02-22
申请号：US15679966
申请日：2017-08-17
Applicant: EPISTAR CORPORATION
Inventor： Ching-Tai CHENG , Lung-Kuan LAI , Ju-Lien KUO , Chun-Hua SHIH , Hsuan-Tzu PENG , Yih-Hua RENN
CPC classification number: H01L33/58 , H01L33/502 , H01L33/60 , H01L33/62 , H01L2224/18 , H01L2933/0033 , H01L2933/0041 , H01L2933/0058 , H01L2933/0091
Abstract: A light-emitting device includes a light-emitting element, a wavelength converting layer and a light-adjusting layer. The light-emitting element has a first upper surface, a bottom surface, and a lateral surface between the first upper surface and the bottom surface. The wavelength converting layer includes a plurality of wavelength converting particles, and has a second upper surface on the first upper surface. The light-adjusting layer surrounds the lateral surface and has a first composition or a second composition. The first composition includes a first binder and a plurality of first light-diffusing particles. The second composition includes a second binder, a plurality of second light-diffusing particles, and a plurality of light-scattering particles.
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Patent Agency Ranking
公开(公告)号：US20170288095A1
公开(公告)日：2017-10-05
申请号：US15088858
申请日：2016-04-01
Applicant: EPISTAR CORPORATION
Inventor： Ching-Tai CHENG , Yih-Hua RENN , Guan-Wu CHEN , Chun-Hua SHIH
CPC classification number: H01L33/46 , H01L33/44 , H01L33/502 , H01L33/507 , H01L33/54
Abstract: A light-emitting device includes a light-emitting element, and a covering layer. The light-emitting element includes a top surface, a bottom surface, a light-emitting stack between the top surface and the bottom surface, and an adhesion enhancing layer surrounding the light-emitting stack. The covering layer covers the light-emitting element and contacts the adhesion enhancing layer. Moreover, the adhesion enhancing layer includes an oxide and a thickness greater than 5 nm and less than 1000 nm.
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公开(公告)号：US20240405181A1
公开(公告)日：2024-12-05
申请号：US18733304
申请日：2024-06-04
Applicant: EPISTAR CORPORATION
Inventor： Min-Hsun HSIEH , Shih-An LIAO , Wei-Yu CHEN , Li-Shen TANG , Kun-Wei KAO , Jia-Xing CHUNG , Wei-Shan HU , Ching-Tai CHENG , Chang-Tai HSIAO , Yih-Hua RENN , Chun-Yen WU
IPC: H01L33/62 , H01L25/075 , H01L33/40
Abstract: An embodiment of the present disclosure provides a semiconductor device arrangement. This arrangement includes a substrate, an adhesive structure, and a first semiconductor device. The substrate includes an upper surface. The adhesive structure is located on the upper surface and includes a first concave region. The first semiconductor device includes a lower surface facing toward the adhesive structure and a conductive bump located under the lower surface and in the first concave region. The conductive bump includes a first portion and a second portion. Wherein the lower surface does not contact the adhesive structure, the first portion contacts the first concave region, and the second portion does not contact the first concave region.
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公开(公告)号：US20180337313A1
公开(公告)日：2018-11-22
申请号：US16047734
申请日：2018-07-27
Applicant: EPISTAR CORPORATION
Inventor： Ching-Tai CHENG , Chun-Hua SHIH , Yih-Hua RENN
CPC classification number: H01L33/508 , H01L33/483 , H01L33/505 , H01L33/60 , H01L33/62 , H01L2933/0041
Abstract: 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 μm. The recess structure is laterally overlapped with the side surface of the light-emitting element and the wavelength conversion layer.
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公开(公告)号：US20180151783A1
公开(公告)日：2018-05-31
申请号：US15864485
申请日：2018-01-08
Applicant: EPISTAR CORPORATION
Inventor： Ching-Tai CHENG , Yih-Hua RENN , Chun-Hua SHIH
CPC classification number: H01L33/52 , H01L33/44 , H01L33/50 , H01L33/507 , H01L33/58 , H01L33/60 , H01L33/62 , H01L2933/0025 , H01L2933/0041 , H01L2933/005 , H01L2933/0066 , H01L2933/0091
Abstract: A light-emitting device includes a light-emitting element, a cover layer, and an anti-adhesion layer. The light-emitting element has a top surface, a bottom surface and a side surface. The cover layer covers the light-emitting element and includes a first transparent binder. The anti-adhesion layer includes a flouro-resin or a fluoride compound and disposed on the cover layer and the top surface as an outermost layer of the light-emitting device. The anti-adhesion layer has a hardness greater than a hardness of the cover layer.
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公开(公告)号：US20180128761A1
公开(公告)日：2018-05-10
申请号：US15804455
申请日：2017-11-06
Applicant: EPISTAR CORPORATION
Inventor： Kunal KASHYAP , Kun-Wei KAO , Yih-Hua RENN , Meng-Lun TSAI , Zong-Xi CHEN , Hsin-Mao LIU , Jui-Hung YEH , Hung-Chi WANG
IPC: G01N27/02 , H01L29/778 , H01L29/20 , H01L29/205 , H01L23/34
CPC classification number: G01N27/414 , G01N27/02 , G01N27/4141 , H01L23/3171 , H01L23/345 , H01L29/1029 , H01L29/2003 , H01L29/205 , H01L29/7786 , H01L29/7787
Abstract: 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.
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