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公开(公告)号：US20200098953A1
公开(公告)日：2020-03-26
申请号：US16543454
申请日：2019-08-16
Applicant: NICHIA CORPORATION
Inventor： Akihiro OTA , Takuya NAGAMOTO
Abstract: A light emitting device includes: a support member; a light emitting element mounted on the support member; a wavelength conversion member arranged on or above the light emitting element and that is larger than the light emitting element in a plan view, the wavelength conversion member including: a wavelength conversion portion that is arranged on or above the light emitting element, and a light-transmissive portion; a light reflection member that is spaced away from a side surface of the wavelength conversion member and a side surface the light emitting element and arranged on or above the support member, and surrounds the light-transmissive portion; and a light-transmissive member that is arranged between the light reflection member and the side surface of the light emitting element, and is in contact with a part of the light-transmissive portion of the wavelength conversion member and the side surface of the light emitting element.
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公开(公告)号：US20230207748A1
公开(公告)日：2023-06-29
申请号：US18067471
申请日：2022-12-16
Applicant: NICHIA CORPORATION
Inventor： Takuya NAGAMOTO
CPC classification number: H01L33/505 , H01L33/62 , H01L2933/0041 , H01L2933/0066
Abstract: A light-emitting device includes: a light-emitting element having a first surface serving as a light extracting surface, a second surface located on a side opposite the first surface, and a lateral surface connecting the first surface and the second surface, wherein the light-emitting element includes an element electrode located at the second surface; a substrate comprising a wiring electrically connected to the element electrode; a metal post located between the element electrode and the wiring; a transmissive member configured to allow light from the light-emitting element to pass therethrough; and an adhesive resin located between the first surface of the light-emitting element and the transmissive member. A portion of the adhesive resin is located on the lateral surface of the light-emitting element and on a peripheral edge of the second surface of the light-emitting element.
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公开(公告)号：US20220037565A1
公开(公告)日：2022-02-03
申请号：US17505400
申请日：2021-10-19
Applicant: NICHIA CORPORATION
Inventor： Akihiro OTA , Takuya NAGAMOTO
Abstract: A light emitting device includes: a light emitting element; a wavelength conversion member including: a wavelength conversion portion arranged on or above an upper surface of the light emitting element, and a light-transmissive portion, wherein, in a plan view, the light-transmissive portion surrounds at least one or more lateral surfaces of the wavelength conversion portion; a sealing member comprising a lens portion that is arranged on or above an upper surface of the wavelength conversion member; and a light reflection member that surrounds one or more lateral surfaces of the wavelength conversion member. In a plan view, the wavelength conversion member is inside a perimeter of the lens portion.
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公开(公告)号：US20200096691A1
公开(公告)日：2020-03-26
申请号：US16566206
申请日：2019-09-10
Applicant: NICHIA CORPORATION
Inventor： Takuya NAGAMOTO , Koichi AMARI , Yuji SAKAKIHARA
Abstract: A light-emitting device includes a light-emitting element having a light-emitting surface, and a plurality of protruding portions being separated from each other and disposed on the light-emitting surface. The protruding portions are transparent. Each of the protruding portions includes a light guide portion and a light distribution control portion. The light guide portion has a columnar configuration and is provided at a light-emitting surface side of the protruding portion. The light distribution control portion is provided on the light guide portion. The light distribution control portion is asymmetric with respect to a central axis of the light guide portion and has a tilted surface that is tilted with respect to the central axis.
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