摘要:
발광다이오드패키지가제공된다. 일실시예에따른발광다이오드패키지는, 제1 전극및 제2 전극을갖는베이스기판; 베이스기판상에배치되고, 발광다이오드를실장하기위한제1 캐비티를정의하는측벽을갖는하우징; 제1 캐비티내에실장되어제1 및제2 전극에전기적으로접속된발광다이오드; 및발광다이오드의상면에배치된파장변환판을포함한다.
摘要:
본 발명에 따르면, 카메라용 플래시 발광 다이오드로서, 카메라 또는 결상기기내 이미지 센서의 분광 감도(spectral sensitivity)와 매칭되는 분광 출력 분포(spectral power distribution; SPD)를 갖는 발광 다이오드가 개시된다.
摘要:
PURPOSE: An LED package is provided to minimize a light loss by including a partition unit with light transmittance which limits an area around a wavelength converting unit near an LED chip. CONSTITUTION: An LED chip is mounted on a base unit. A partition unit(20) is formed on the base unit to surround the LED chip. A wavelength converting unit(30) includes fluorescent substances and is formed in the partition unit to cover the LED chip. The partition unit transmits a part of light from the wavelength converting unit. A sealing unit(40) is formed on the base unit to cover the partition unit and the wavelength converting unit.
摘要:
PURPOSE: An LED package and a manufacturing method thereof are provided to improve the problem a structure in which a first molding part is formed through a first resin injection port and a second molding part is formed through a second resin injection port. CONSTITUTION: A lead frame(22) is electrically connected to an LED chip. A cavity(211) equipped with one or more level differences(212) is formed in the inner wall of housing(21). The cavity comprises a first cavity(211a) which accepts the LED chip and a second cavity(211b) which is wider than the first cavity. Resin gates(213a-213d) which are connected to the cavity are formed in the lower side of the level difference. A plurality of molding units(25,26) is formed within the cavity by resin which is injected through the resin gate.
摘要:
PURPOSE: An optical semiconductor device is provided to prevent the degradation of a fluorescent substance due to by a heat by separately installing the fluorescent substance from an optical semiconductor. CONSTITUTION: An optical semiconductor is connected to a mounting part(21). The mounting part comprises a cavity(211) which exposes the optical semiconductor in the upper center. An optical device(23) is formed in order to cover the optical semiconductor. The encapsulating material(24) of a light-transmission material is formed within the cavity in order to protect the optical device from outside. The encapsulating material contains one and more fluorescent substances. A depression part is dented on the bottom surface of the cavity. The optical semiconductor is mounted within the depression part.
摘要:
PURPOSE: A multichip light emitting diode package is provided to implement white light with various color temperatures and the light with various colors and improve a radiation property of a light emitting diode package using ceramic, metal, metal alloy, or a substrate made of a semiconductor material with high thermal conductivity. CONSTITUTION: A substrate(10) has bonding pads which are electrically insulated. A separator(20) is attached on the substrate and includes a plurality of cavities. A light emitting diode chip(41,43) is mounted on the substrate corresponding to each cavity. A molding unit(51,53) covers the light emitting diode chips inside the cavity. A fluorescent material is positioned on one of cavities or inside the cavity.
摘要:
PURPOSE: An LED package and lead frame structure is provided to multiply the surface area of the lead terminals while enhancing the degree of freedom rule toward the light emitting direction of the LED chip. CONSTITUTION: The lead frame structure comprises the first and second lead frames(130, 132). The first and second lead frame locates in the equal level while each other. The lead frame structure more includes the first-four lead terminal (lead nodes). The first and second lead terminals(150, 152) locate in the equal level. The third and four lead terminals accomplish the right angle about the first and second lead terminals. The first and second lead terminals extend from the first lead frame. The second and four lead terminals extend from the second lead frame.