JP6378876B2 - 発光モジュール及びそれを含む照明ユニット - Google Patents
発光モジュール及びそれを含む照明ユニット Download PDFInfo
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- JP6378876B2 JP6378876B2 JP2013266896A JP2013266896A JP6378876B2 JP 6378876 B2 JP6378876 B2 JP 6378876B2 JP 2013266896 A JP2013266896 A JP 2013266896A JP 2013266896 A JP2013266896 A JP 2013266896A JP 6378876 B2 JP6378876 B2 JP 6378876B2
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Images
Classifications
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B45/00—Circuit arrangements for operating light-emitting diodes [LED]
- H05B45/40—Details of LED load circuits
- H05B45/44—Details of LED load circuits with an active control inside an LED matrix
- H05B45/48—Details of LED load circuits with an active control inside an LED matrix having LEDs organised in strings and incorporating parallel shunting devices
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
- F21S2/00—Systems of lighting devices, not provided for in main groups F21S4/00 - F21S10/00 or F21S19/00, e.g. of modular construction
- F21S2/005—Systems of lighting devices, not provided for in main groups F21S4/00 - F21S10/00 or F21S19/00, e.g. of modular construction of modular construction
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21K—NON-ELECTRIC LIGHT SOURCES USING LUMINESCENCE; LIGHT SOURCES USING ELECTROCHEMILUMINESCENCE; LIGHT SOURCES USING CHARGES OF COMBUSTIBLE MATERIAL; LIGHT SOURCES USING SEMICONDUCTOR DEVICES AS LIGHT-GENERATING ELEMENTS; LIGHT SOURCES NOT OTHERWISE PROVIDED FOR
- F21K9/00—Light sources using semiconductor devices as light-generating elements, e.g. using light-emitting diodes [LED] or lasers
- F21K9/20—Light sources comprising attachment means
-
- 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
- F21V23/00—Arrangement of electric circuit elements in or on lighting devices
- F21V23/003—Arrangement of electric circuit elements in or on lighting devices the elements being electronics drivers or controllers for operating the light source, e.g. for a LED array
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B45/00—Circuit arrangements for operating light-emitting diodes [LED]
- H05B45/40—Details of LED load circuits
- H05B45/44—Details of LED load circuits with an active control inside an LED matrix
- H05B45/46—Details of LED load circuits with an active control inside an LED matrix having LEDs disposed in parallel lines
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B47/00—Circuit arrangements for operating light sources in general, i.e. where the type of light source is not relevant
- H05B47/10—Controlling the light source
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO THE FORM OR THE KIND OF THE LIGHT SOURCES OR OF THE COLOUR OF THE LIGHT EMITTED
- F21Y2115/00—Light-generating elements of semiconductor light sources
- F21Y2115/10—Light-emitting diodes [LED]
Description
Claims (13)
- ボディーと、
前記ボディー上に互いに離隔して配置された第1〜第M(ここで、Mは、2以上の整数)発光素子と、
前記第1〜第M発光素子の点灯を制御する点灯制御部と、を含み、
前記第m(1≦m≦M)発光素子は、内部に互いに直列接続された第1〜第N(ここで、Nは、2以上の整数)発光セルを含み、
第n(1≦n≦N)発光セルは、複数の発光構造物を含み、
前記点灯制御部は、前記第1〜第M発光素子の第n発光セルを同時に点灯させるか、または消灯させ、
前記複数の発光構造物の各々は、第1導電型半導体層と、該第1導電型半導体層の上に配置された活性層と、該活性層の上に配置された第2導電型半導体層と、を含み、
前記複数の発光構造物は複数の発光領域として区分され、前記複数の発光領域上に絶縁層が配置され、
前記絶縁層の上に配置されたいずれか1つの中間パッドは、該絶縁層を貫通して、前記複数の発光構造物のうちのいずれか1つの発光構造物の上に配置された伝導層に接続され、
隣接する発光領域は連結電極によって直列に接続され、前記連結電極は第1部分及び第2部分を含み、前記第1部分の一部分は、前記絶縁層を貫通して前記伝導層と電気的に接続され、前記第2部分の一部分は、前記活性層、前記第2導電型半導体層及び前記伝導層を貫通して前記第1導電型半導体層と電気的に接続され、
前記第1部分と前記第2部分は、前記第1導電型半導体層に位置した境界領域で互いに接続される、発光モジュール。 - 前記点灯制御部は、外部から印加される駆動電圧のレベルによって、前記第1〜第M発光素子の点灯及び消灯を制御する、請求項1に記載の発光モジュール。
- 前記点灯制御部は、前記駆動電圧のレベルによって、前記第1〜第N発光セルを順次点灯させるか、または消灯させる、請求項2に記載の発光モジュール。
- 前記第1〜第M発光素子の第n発光セルは互いに並列に接続された、請求項1ないし3のいずれかに記載の発光モジュール。
- 前記第1〜第M発光素子は、前記ボディー上で互いに等間隔に離隔して配置された、請求項1ないし4のいずれかに記載の発光モジュール。
- 前記第1〜第M発光素子間の離隔距離は、72°〜120°である、請求項5に記載の発光モジュール。
- 前記第1〜第M発光素子は、前記ボディー上で放射状に配置された、請求項5に記載の発光モジュール。
- 前記第1〜第M発光素子は、前記点灯制御部を中心に配置された、請求項7に記載の発光モジュール。
- 前記点灯制御部は、
隣接する発光セルの間に配置されて、前記隣接する発光セルの電流が流れる経路を形成する第1〜第Mスイッチと、
前記駆動電圧のレベルによって、前記第1〜第Mスイッチのスイッチングを制御するスイッチング制御部とを含む、請求項2ないし8のいずれかに記載の発光モジュール。 - 前記第1〜第M発光素子のそれぞれにおいて、前記第1〜第N発光セルは互いに接して配置された、請求項1ないし9のいずれかに記載の発光モジュール。
- 前記第1〜第M発光素子のそれぞれにおいて、前記第1〜第N発光セルは互いに等間隔に配置された、請求項1ないし9のいずれかに記載の発光モジュール。
- 前記第1〜第M発光素子の第n発光セルの前記発光構造物において、発光領域の面積は互いに同一である、請求項1ないし11のいずれかに記載の発光モジュール。
- 前記境界領域における前記連結電極の高さは、前記連結電極が前記伝導層を貫通して前記第2導電型半導体層と電気的に接続される領域の高さよりも低く、隣接する前記発光領域の第1導電型半導体層は一体型に備えられる、請求項1ないし12のいずれかに記載の発光モジュール。
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR10-2013-0001058 | 2013-01-04 | ||
KR1020130001058A KR102007405B1 (ko) | 2013-01-04 | 2013-01-04 | 발광 모듈 |
Publications (3)
Publication Number | Publication Date |
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JP2014132655A JP2014132655A (ja) | 2014-07-17 |
JP2014132655A5 JP2014132655A5 (ja) | 2017-02-02 |
JP6378876B2 true JP6378876B2 (ja) | 2018-08-22 |
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JP2013266896A Expired - Fee Related JP6378876B2 (ja) | 2013-01-04 | 2013-12-25 | 発光モジュール及びそれを含む照明ユニット |
Country Status (5)
Country | Link |
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US (1) | US9544974B2 (ja) |
EP (1) | EP2753149B1 (ja) |
JP (1) | JP6378876B2 (ja) |
KR (1) | KR102007405B1 (ja) |
CN (1) | CN103912806B (ja) |
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US9374863B2 (en) * | 2014-09-15 | 2016-06-21 | Analog Integrations Corporation | AC LED lamps and control methods thereof |
TWM501069U (zh) * | 2014-10-07 | 2015-05-11 | Richtek Technology Corp | 發光元件驅動晶片 |
US20160113080A1 (en) * | 2014-10-20 | 2016-04-21 | Prolight Opto Technology Corporation | Light-emitting device capable of adjusting brightness |
JP6641080B2 (ja) * | 2014-11-05 | 2020-02-05 | ローム株式会社 | 発光素子駆動装置、発光装置、車両 |
US10244591B2 (en) * | 2014-11-14 | 2019-03-26 | Texas Instruments Incorporated | Voltage/current regulator supplying controlled current with PVT adjusted headroom |
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2013
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- 2013-12-24 EP EP13199524.3A patent/EP2753149B1/en active Active
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JP2014132655A (ja) | 2014-07-17 |
US20140191677A1 (en) | 2014-07-10 |
KR20140089166A (ko) | 2014-07-14 |
EP2753149B1 (en) | 2020-05-13 |
EP2753149A1 (en) | 2014-07-09 |
US9544974B2 (en) | 2017-01-10 |
KR102007405B1 (ko) | 2019-08-05 |
CN103912806B (zh) | 2018-01-12 |
CN103912806A (zh) | 2014-07-09 |
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