JP2014057061A - 発光素子及びこれを備えた照明システム - Google Patents
発光素子及びこれを備えた照明システム Download PDFInfo
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- 101001045744 Sus scrofa Hepatocyte nuclear factor 1-beta Proteins 0.000 description 1
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- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 1
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- 239000010937 tungsten Substances 0.000 description 1
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V7/00—Reflectors for light sources
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L33/00—Semiconductor devices having potential barriers specially adapted for light emission; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof
- H01L33/48—Semiconductor devices having potential barriers specially adapted for light emission; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof characterised by the semiconductor body packages
- H01L33/52—Encapsulations
- H01L33/54—Encapsulations having a particular shape
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L33/00—Semiconductor devices having potential barriers specially adapted for light emission; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof
- H01L33/48—Semiconductor devices having potential barriers specially adapted for light emission; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof characterised by the semiconductor body packages
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V13/00—Producing particular characteristics or distribution of the light emitted by means of a combination of elements specified in two or more of main groups F21V1/00 - F21V11/00
- F21V13/02—Combinations of only two kinds of elements
- F21V13/04—Combinations of only two kinds of elements the elements being reflectors and refractors
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V13/00—Producing particular characteristics or distribution of the light emitted by means of a combination of elements specified in two or more of main groups F21V1/00 - F21V11/00
- F21V13/02—Combinations of only two kinds of elements
- F21V13/08—Combinations of only two kinds of elements the elements being filters or photoluminescent elements and reflectors
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- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L33/00—Semiconductor devices having potential barriers specially adapted for light emission; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof
- H01L33/48—Semiconductor devices having potential barriers specially adapted for light emission; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof characterised by the semiconductor body packages
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- H01L33/48—Semiconductor devices having potential barriers specially adapted for light emission; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof characterised by the semiconductor body packages
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- H01L2224/32151—Disposition the layer connector connecting between a semiconductor or solid-state body and an item not being a semiconductor or solid-state body, e.g. chip-to-substrate, chip-to-passive
- H01L2224/32221—Disposition the layer connector connecting between a semiconductor or solid-state body and an item not being a semiconductor or solid-state body, e.g. chip-to-substrate, chip-to-passive the body and the item being stacked
- H01L2224/32245—Disposition the layer connector connecting between a semiconductor or solid-state body and an item not being a semiconductor or solid-state body, e.g. chip-to-substrate, chip-to-passive the body and the item being stacked the item being metallic
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- H01L2224/42—Wire connectors; Manufacturing methods related thereto
- H01L2224/47—Structure, shape, material or disposition of the wire connectors after the connecting process
- H01L2224/48—Structure, shape, material or disposition of the wire connectors after the connecting process of an individual wire connector
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- H01L33/36—Semiconductor devices having potential barriers specially adapted for light emission; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof characterised by the electrodes
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- H—ELECTRICITY
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- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L33/00—Semiconductor devices having potential barriers specially adapted for light emission; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof
- H01L33/48—Semiconductor devices having potential barriers specially adapted for light emission; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof characterised by the semiconductor body packages
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Abstract
【解決手段】本発明に従う発光素子は、キャビティーを有する胴体、前記キャビティーの内に複数のリードフレーム、前記複数のリードフレームのうち、少なくとも1つの上に発光チップ、前記発光チップの周りに配置され、内部に第1金属酸化物が添加された第1モールディング部材、前記第1モールディング部材及び前記発光チップの上に配置され、内部に第2金属酸化物が添加された第2モールディング部材を含み、前記発光チップは、複数の化合物半導体層を含む発光構造物、前記発光構造物の下に反射電極層を含み、前記第1モールディング部材の上面は前記発光チップの上面と前記反射電極層の側面との間の領域から所定の曲率で延びて、前記第1モールディング部材の上面と対応する前記第2モールディング部材の下面は前記第1モールディング部材の方向に凸な曲面を含む。
【選択図】図1
Description
実施形態による発光素子又は発光素子は、照明システムに適用される。前記照明システムは、複数の発光素子がアレイされた構造を含み、図18及び図19に示されている表示装置、図20に示されている照明装置とを含み、照明灯、信号灯、車両前照灯、電光板などが含まれる。
6 蛍光体
7 第2金属酸化物
10、10A、10B、30、40、50、60、80 発光素子
11、41、51、61、81 胴体
13、14、83、84 リードフレーム
15、31、45、55、65、85 第1モールディング部材
17、37、47、57、67、87 第2モールディング部材
36、46、56、66、86 蛍光体層
19、89 発光チップ
29、89 保護チップ
Claims (20)
- キャビティーを有する胴体と、
前記キャビティーの内に複数のリードフレームと、
前記複数のリードフレームのうち、少なくとも1つの上に発光チップと、
前記発光チップの周りに配置され、内部に第1金属酸化物が添加された第1モールディング部材と、
前記第1モールディング部材及び前記発光チップの上に配置され、内部に第2金属酸化物が添加された第2モールディング部材とを含み、
前記発光チップは複数の化合物半導体層を含む発光構造物、前記発光構造物の下に反射電極層を含み、
前記第1モールディング部材の上面は前記キャビティーの底方向に凹んだ凹形である、
ことを特徴とする、発光素子。 - 前記第1モールディング部材の上面の低点は前記反射電極層の上面を水平方向に延長した線と同一又はより高いことを特徴とする、請求項1に記載の発光素子。
- 前記第1モールディング部材の上面は前記発光チップの側面の上端部から延びることを特徴とする、請求項1又は2に記載の発光素子。
- 前記第1モールディング部材の上面が前記キャビティーの内側面と接する線は前記発光チップの上面の高さより低いことを特徴とする、請求項1乃至3のいずれかに記載の発光素子。
- 前記第1モールディング部材の上面が前記キャビティーの内側面と接する線の高さは前記発光チップの上面の高さと同一であることを特徴とする、請求項1乃至4のいずれかに記載の発光素子。
- 前記第1モールディング部材の上面は前記キャビティーの底方向に凹な曲面で形成され、前記凹な曲面の深さは前記発光チップの上面の延長線から前記発光チップの厚さの30%以上に深く、前記発光チップ厚さの70%以下に低い深さを有することを特徴とする、請求項1乃至5のいずれか1項に記載の発光素子。
- 前記第1モールディング部材の上面は0.05−1mmの曲率を含むことを特徴とする、請求項1乃至6のいずれか1項に記載の発光素子。
- 前記第1モールディング部材の上面と前記第1モールディング部材の上面に対応する前記第2モールディング部材の下面の曲率は互いに同一な曲率を有することを特徴とする、請求項1乃至7のいずれかに記載の発光素子。
- 前記第2モールディング部材の上面は前記第1モールディング部材の上面に形成された曲率より大きい曲率を有することを特徴とする、請求項1乃至9のいずれか1項に記載の発光素子。
- 前記第1金属酸化物は前記第2金属酸化物と同一又は小さい屈折率を有し、前記第1及び第2モールディング部材の内に5〜15wt%範囲の含有量で添加されることを特徴とする、請求項1乃至9のいずれか1項に記載の発光素子。
- 前記第2モールディング部材の内に蛍光体を含むことを特徴とする、請求項1乃至10のいずれか1項に記載の発光素子。
- 前記第1モールディング部材は、前記第2モールディング部材と同一又は小さい屈折率を有することを特徴とする、請求項1乃至11のうち、いずれか1項に記載の発光素子。
- 前記第1金属酸化物はTiO2を含み、前記第2金属酸化物はSiO2を含むことを特徴とする、請求項12に記載の発光素子。
- 前記第1モールディング部材と前記第2モールディング部材は互いに同一なシリコン材質であることを特徴とする、請求項1乃至13のいずれか1項に記載の発光素子。
- 前記胴体はエポキシまたはシリコン材質であることを特徴とする、請求項1乃至14のいずれか1項に記載の発光素子。
- 前記胴体は前記第1及び第2モールディング部材の材質と同一な材質を含むことを特徴とする、請求項15に記載の発光素子。
- 前記発光チップと前記第2モールディング部材との間に蛍光体層をさらに含むことを特徴とする、請求項1乃至16のいずれか1項に記載の発光素子。
- 前記蛍光体層は前記第1モールディング部材と前記第2モールディング部材との間にさらに配置されることを特徴とする、請求項17に記載の発光素子。
- 前記第2モールディング部材は前記第1モールディング部材の最大厚さより厚く配置されることを特徴とする、請求項1乃至18のいずれか1項に記載の発光素子。
- 前記発光チップと前記第2モールディング部材の上面との間の間隔は前記発光チップの厚さの1−3倍厚い厚さを有することを特徴とする、請求項1乃至19のいずれか1項に記載の発光素子。
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JP2018006471A (ja) * | 2016-06-29 | 2018-01-11 | 日亜化学工業株式会社 | 発光装置及び光源 |
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EP2709175A1 (en) | 2014-03-19 |
CN103682036A (zh) | 2014-03-26 |
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