JP2014057038A - 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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- 229910000980 Aluminium gallium arsenide Inorganic materials 0.000 description 2
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- 229910052714 tellurium Inorganic materials 0.000 description 1
- KKEYFWRCBNTPAC-UHFFFAOYSA-L terephthalate(2-) Chemical compound [O-]C(=O)C1=CC=C(C([O-])=O)C=C1 KKEYFWRCBNTPAC-UHFFFAOYSA-L 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
- F21V21/00—Supporting, suspending, or attaching arrangements for lighting devices; Hand grips
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L25/00—Assemblies consisting of a plurality of individual semiconductor or other solid state devices ; Multistep manufacturing processes thereof
- H01L25/16—Assemblies consisting of a plurality of individual semiconductor or other solid state devices ; Multistep manufacturing processes thereof the devices being of types provided for in two or more different main groups of groups H01L27/00 - H01L33/00, or in a single subclass of H10K, H10N, e.g. forming hybrid circuits
- H01L25/167—Assemblies consisting of a plurality of individual semiconductor or other solid state devices ; Multistep manufacturing processes thereof the devices being of types provided for in two or more different main groups of groups H01L27/00 - H01L33/00, or in a single subclass of H10K, H10N, e.g. forming hybrid circuits comprising optoelectronic devices, e.g. LED, photodiodes
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- 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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- H01L33/00—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
- H01L33/483—Containers
- H01L33/486—Containers adapted for surface mounting
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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
- H01L33/62—Arrangements for conducting electric current to or from the semiconductor body, e.g. lead-frames, wire-bonds or solder balls
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L2224/00—Indexing scheme for arrangements for connecting or disconnecting semiconductor or solid-state bodies and methods related thereto as covered by H01L24/00
- H01L2224/01—Means for bonding being attached to, or being formed on, the surface to be connected, e.g. chip-to-package, die-attach, "first-level" interconnects; Manufacturing methods related thereto
- H01L2224/42—Wire connectors; Manufacturing methods related thereto
- H01L2224/44—Structure, shape, material or disposition of the wire connectors prior to the connecting process
- H01L2224/45—Structure, shape, material or disposition of the wire connectors prior to the connecting process of an individual wire connector
- H01L2224/45001—Core members of the connector
- H01L2224/45099—Material
- H01L2224/451—Material with a principal constituent of the material being a metal or a metalloid, e.g. boron (B), silicon (Si), germanium (Ge), arsenic (As), antimony (Sb), tellurium (Te) and polonium (Po), and alloys thereof
- H01L2224/45138—Material with a principal constituent of the material being a metal or a metalloid, e.g. boron (B), silicon (Si), germanium (Ge), arsenic (As), antimony (Sb), tellurium (Te) and polonium (Po), and alloys thereof the principal constituent melting at a temperature of greater than or equal to 950°C and less than 1550°C
- H01L2224/45139—Silver (Ag) as principal constituent
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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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- 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
- H01L2224/481—Disposition
- H01L2224/48151—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
- H01L2224/48221—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
- H01L2224/48245—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
- H01L2224/48247—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 connecting the wire to a bond pad of the item
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- H01L2224/85—Methods for connecting semiconductor or other solid state bodies using means for bonding being attached to, or being formed on, the surface to be connected using a wire connector
- H01L2224/85909—Post-treatment of the connector or wire bonding area
- H01L2224/8592—Applying permanent coating, e.g. protective coating
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- H01L2924/10—Details of semiconductor or other solid state devices to be connected
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- H01L2924/13—Discrete devices, e.g. 3 terminal devices
- H01L2924/1301—Thyristor
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- H—ELECTRICITY
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- H01L2924/00—Indexing scheme for arrangements or methods for connecting or disconnecting semiconductor or solid-state bodies as covered by H01L24/00
- H01L2924/19—Details of hybrid assemblies other than the semiconductor or other solid state devices to be connected
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- H01L2924/19107—Disposition of discrete passive components off-chip wires
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- Condensed Matter Physics & Semiconductors (AREA)
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- General Engineering & Computer Science (AREA)
- Led Device Packages (AREA)
- Non-Portable Lighting Devices Or Systems Thereof (AREA)
Abstract
【解決手段】発光素子は、第1内側面71及び第2内側面と、第1及び第2内側面に連結され、第3及び第4内側面73,74を有するキャビティー101を含む胴体111、キャビティーの底からキャビティーの第1内側面の下に延びた第1リードフレーム121、キャビティーの底からキャビティーの第2内側面の下に延びた第2リードフレーム131、キャビティーの底に配置され、第1及び第2リードフレームの間に間隙部、第1リードフレームの上に配置された発光チップ171、第2リードフレームの上に配置された保護チップ173、キャビティーの第3及び第4内側面のうち、少なくとも1つから胴体の外側面方向にリセスされた凹部、及び発光チップと上記凹部の側壁75との間に配置された第2リードフレームの上に連結されたワイヤー175を含む。
【選択図】図1
Description
本発明の更に他の目的は、高電流による駆動に対応できる発光素子を提供することにある。
本発明の更に他の目的は、放熱性能が優れた発光素子を提供することにある。
本発明の更に他の目的は、高い反射率の発光素子を提供することにある。
本発明の更に他の目的は、全体的に薄い発光素子を提供することにある。
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。
61−64 外側面
46、75 側壁
47、77 凹部
101、201 キャビティー
111、211 胴体
121、131、221、231 リードフレーム
122、123、132、133 凹部
125、135 リード領域
161、161A、161B、261 モールディング部材
171、271 発光チップ
173、273 保護チップ
181 蛍光体層
Claims (24)
- 互いに対向する第1及び第2外側面と第3及び第4外側面を有し、上部へ開放したキャビティーが設けられた胴体と、
前記キャビティーの底面から前記第1外側面方向に延びた第1リードフレームと、
前記キャビティーの底面から前記第2外側面方向に延びた第2リードフレームと、
前記第1リードフレームの上に配置された発光チップと、
前記第2リードフレームの上に配置され前記第1リードフレームに第1ワイヤーで連結される保護チップと、を含み、
前記キャビティーの内側面に、前記第1ワイヤーが接続される部分に隣接した領域に凹部が形成される
ことを特徴とする、発光素子。 - 前記凹部は前記第1リードフレームの上面に対して直角である部分を少なくとも含むことを特徴とする、請求項1に記載の発光素子。
- 前記凹部は前記第1リードフレームと前記第2リードフレームの間隙に隣接して配置されることを特徴とする、請求項1又は2に記載の発光素子。
- 前記凹部は前記第3又は第4外側面に隣接した領域に配置されることを特徴とする、請求項1乃至3のいずれかに記載の発光素子。
- 前記キャビティーの内側面は、前記第1及び第2リードフレームのうち、いずれか1つの上面に対して傾斜するように配置されることを特徴とする、請求項1乃至4のうち、いずれか1項に記載の発光素子。
- 前記凹部は前記キャビティーの長さの1/5.5〜1/4.5範囲の幅を有することを特徴とする、請求項1乃至5のいずれかに記載の発光素子。
- 前記凹部は前記キャビティーの内側面と平行に延びる側壁と前記側壁と前記キャビティーの内側面を繋ぐ少なくとも二つの延長部を含むことを特徴とする、請求項1乃至6のうち、いずれか1項に記載の発光素子。
- 前記凹部の前記側壁と前記第1リードフレームの上面は、前記キャビティーの内側面の傾斜した角度と異なる角度を有することを特徴とする、請求項7に記載の発光素子。
- 前記延長部は曲面を含むことを特徴とする、請求項8に記載の発光素子。
- 前記キャビティーの内側面のうち、前記凹部に隣接した領域と前記発光チップとの間の間隔は、他の領域より大きいことを特徴とする、請求項1乃至9のうち、いずれか1項に記載の発光素子。
- 前記キャビティーの内側面のうち、前記凹部に隣接した領域と前記発光チップとの間の間隔は、他の領域より1.5〜3.5倍大きいことを特徴とする、請求項10に記載の発光素子。
- 前記凹部の前記キャビティーの内側面と平行に延びる側壁と前記胴体の外側面との間の間隔は、前記キャビティーの内側面と前記胴体の外側面との間の間隔より狭いことを特徴とする、請求項1乃至11のうち、いずれか1項に記載の発光素子。
- 前記凹部は少なくとも二つが設けられることを特徴とする、請求項1乃至12のうち、いずれか1項に記載の発光素子。
- 前記凹部は前記第1外側面よりは前記第2外側面に近く配置されることを特徴とする、請求項1乃至13のいずれかに記載の発光素子。
- 少なくとも前記保護チップをカバーする第1金属酸化物を含むことを特徴とする請求項1乃至14のいずれかに記載の発光素子。
- 少なくとも前記保護チップをカバーし前記第1金属酸化物を含む第1モールディング部材を含むことを特徴とする請求項15に記載の発光素子。
- 少なくとも前記発光チップをカバーする第2金属酸化物を含み、前記第1金属酸化物と前記第2金属酸化物は異なることを特徴とする請求項15又は16に記載の発光素子。
- 前記第1のリードフレームには、前記胴体の第1外側面に対向する領域に凹部が形成されることを特徴とする請求項1乃至17いずれかに記載の発光素子。
- 前記第1のリードフレームには、前記第2のリードフレームに隣接した領域に凹部が形成されることを特徴とする請求項1乃至18に記載の発光素子。
- 前記第1リードフレームの上面は前記第2リードフレームの上面より低く配置されることを特徴とする、請求項1乃至19のうち、いずれか1項に記載の発光素子。
- 前記第1リードフレームと前記第2リードフレームとの間の間隙の下面の幅が上面の幅より2倍以上広いことを特徴とする、請求項1乃至20のうち、いずれか1項に記載の発光素子。
- 前記第1リードフレームの下面の面積は前記第2リードフレームの下面の面積より30%以上狭く形成されることを特徴とする、請求項1乃至21のうち、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リードフレームとを連結する第2ワイヤーを含み、前記第1ワイヤーの長さは前記第2ワイヤーの長さより短いことを特徴とする、請求項1乃至22のうち、いずれか1項に記載の発光素子。
- 被写体への照明として請求項1乃至請求項23のうちいずれかの発光素子を備えた撮影装置。
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US20140071700A1 (en) | 2014-03-13 |
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EP2709178B1 (en) | 2019-12-11 |
CN103682037B (zh) | 2018-01-30 |
KR102042150B1 (ko) | 2019-11-07 |
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