JP7408654B2 - 光源装置 - Google Patents
光源装置 Download PDFInfo
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- JP7408654B2 JP7408654B2 JP2021526833A JP2021526833A JP7408654B2 JP 7408654 B2 JP7408654 B2 JP 7408654B2 JP 2021526833 A JP2021526833 A JP 2021526833A JP 2021526833 A JP2021526833 A JP 2021526833A JP 7408654 B2 JP7408654 B2 JP 7408654B2
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- Japan
- Prior art keywords
- light emitting
- emitting element
- light
- source device
- light source
- Prior art date
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- 230000004397 blinking Effects 0.000 claims description 46
- 239000003990 capacitor Substances 0.000 claims description 41
- 230000004048 modification Effects 0.000 description 27
- 238000012986 modification Methods 0.000 description 27
- 238000010586 diagram Methods 0.000 description 6
- 230000001186 cumulative effect Effects 0.000 description 2
- 230000003111 delayed effect Effects 0.000 description 2
- 239000004065 semiconductor Substances 0.000 description 2
- 238000007599 discharging Methods 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
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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
- 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
- H05B47/16—Controlling the light source by timing means
-
- 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]
-
- 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]
- H05B45/30—Driver circuits
-
- 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
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01S—DEVICES USING THE PROCESS OF LIGHT AMPLIFICATION BY STIMULATED EMISSION OF RADIATION [LASER] TO AMPLIFY OR GENERATE LIGHT; DEVICES USING STIMULATED EMISSION OF ELECTROMAGNETIC RADIATION IN WAVE RANGES OTHER THAN OPTICAL
- H01S5/00—Semiconductor lasers
- H01S5/04—Processes or apparatus for excitation, e.g. pumping, e.g. by electron beams
- H01S5/042—Electrical excitation ; Circuits therefor
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03K—PULSE TECHNIQUE
- H03K17/00—Electronic switching or gating, i.e. not by contact-making and –breaking
- H03K17/51—Electronic switching or gating, i.e. not by contact-making and –breaking characterised by the components used
- H03K17/78—Electronic switching or gating, i.e. not by contact-making and –breaking characterised by the components used using opto-electronic devices, i.e. light-emitting and photoelectric devices electrically- or optically-coupled
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- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- General Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Optics & Photonics (AREA)
- Manufacturing & Machinery (AREA)
- Computer Hardware Design (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Power Engineering (AREA)
- Circuit Arrangement For Electric Light Sources In General (AREA)
- Led Devices (AREA)
Description
まず、実施形態に係る光源装置1の構成について、図1および図2を参照しながら説明する。図1は、実施形態に係る光源装置1の構成を示す斜視図であり、図2は、実施形態に係る光源装置1全体の構成を示す回路図である。
つづいて、発光単位部10の回路構成について、図3を参照しながら説明する。図3は、実施形態に係る発光単位部10の構成を示す回路図である。上述のように、発光単位部10は、発光素子11と、外部端子12と、点滅回路13と、遅延回路14とを有する。
つづいて、実施形態に係る光源装置1の動作について、図4および図5を参照しながら説明する。図4は、実施形態に係る各発光素子11の動作を示すタイミングチャートである。
実施形態に係る光源装置1の各種変形例について、図6~図9を参照しながら説明する。図6は、実施形態の変形例1に係る各発光素子11の動作を示すタイミングチャートである。
10、10-1~10-4 発光単位部
11、11-1~11-4 発光素子
13、13-1~13-4 点滅回路
14、14-1~14-4 遅延回路
R2 抵抗
C2 コンデンサ
Claims (5)
- 発光素子と、前記発光素子を点滅させる点滅回路と、前記点滅回路が前記発光素子を点滅させるタイミングを制御する遅延回路とを有する発光単位部を複数備え、
複数の前記発光単位部が並列に接続され、
互いに隣接する前記発光単位部に属する前記発光素子同士は交互に発光し、
前記点滅回路は、PNPトランジスタおよびNPNトランジスタを有し、
前記PNPトランジスタのエミッタが前記遅延回路に接続され、
前記PNPトランジスタのベースが前記NPNトランジスタのコレクタに接続され、
前記PNPトランジスタのコレクタが前記発光素子のアノードに接続され、
前記NPNトランジスタのエミッタが前記発光素子のカソードに接続される
光源装置。 - 複数の前記発光素子のデューティ比は50%である
請求項1に記載の光源装置。 - 前記遅延回路は、抵抗およびコンデンサを有し、
互いに隣接する前記発光単位部同士の間で、前記抵抗の抵抗値および前記コンデンサの容量値のうち少なくとも一方が異なる
請求項1または2に記載の光源装置。 - 複数の前記発光単位部において、前記遅延回路のCR積が0.028(秒)以下である
請求項3に記載の光源装置。 - 前記発光単位部は、互いに同期して点滅する複数の前記発光素子を有し、
互いに隣接する前記発光単位部に属する複数の前記発光素子同士は交互に発光する
請求項1~4のいずれか一つに記載の光源装置。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2019115145 | 2019-06-21 | ||
JP2019115145 | 2019-06-21 | ||
PCT/JP2020/023722 WO2020256001A1 (ja) | 2019-06-21 | 2020-06-17 | 光源装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPWO2020256001A1 JPWO2020256001A1 (ja) | 2020-12-24 |
JP7408654B2 true JP7408654B2 (ja) | 2024-01-05 |
Family
ID=74040767
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2021526833A Active JP7408654B2 (ja) | 2019-06-21 | 2020-06-17 | 光源装置 |
Country Status (4)
Country | Link |
---|---|
US (1) | US20220256675A1 (ja) |
JP (1) | JP7408654B2 (ja) |
CN (1) | CN113994766A (ja) |
WO (1) | WO2020256001A1 (ja) |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2006004839A (ja) | 2004-06-18 | 2006-01-05 | Sanyo Electric Co Ltd | Led照明装置 |
JP2011258517A (ja) | 2010-06-11 | 2011-12-22 | Mitsubishi Electric Corp | Led電源装置及びled照明器具 |
JP2012204789A (ja) | 2011-03-28 | 2012-10-22 | Funai Electric Co Ltd | 点灯制御回路、及び、表示装置 |
JP2017539079A (ja) | 2014-10-21 | 2017-12-28 | フィリップス ライティング ホールディング ビー ヴィ | 発光回路のセグメント駆動 |
JP2019054020A (ja) | 2017-09-12 | 2019-04-04 | 新電元工業株式会社 | 車両用制御装置および車両用制御装置の制御方法 |
Family Cites Families (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2001308973A (ja) * | 2000-04-19 | 2001-11-02 | Kenwood Corp | 発光素子の点灯消灯制御回路 |
CN101313632B (zh) * | 2005-12-12 | 2012-04-25 | 三菱电机株式会社 | 发光二极管照明装置和使用该装置的车辆用灯具照明装置 |
JP2008041452A (ja) * | 2006-08-07 | 2008-02-21 | Rohm Co Ltd | 照明装置 |
JP2008090022A (ja) * | 2006-10-03 | 2008-04-17 | Sugawara Laboratories Inc | フラッシュ装置 |
EP2186681A4 (en) * | 2007-08-07 | 2012-11-21 | Rohm Co Ltd | ON / OFF CONTROL FOR LIGHT SOURCE |
KR101454662B1 (ko) * | 2008-07-08 | 2014-10-27 | 삼성전자주식회사 | 색온도 및 밝기 조절이 가능한 조명 장치 및 이를 구비한조명 시스템 |
JP2010073645A (ja) * | 2008-09-22 | 2010-04-02 | Toshiba Lighting & Technology Corp | 発光ダイオード信号灯 |
JP6145927B2 (ja) * | 2012-06-01 | 2017-06-14 | パナソニックIpマネジメント株式会社 | 点灯装置および車両用前照灯 |
JP6259649B2 (ja) * | 2013-12-06 | 2018-01-10 | 株式会社小糸製作所 | 車両用灯具 |
KR101771986B1 (ko) * | 2015-09-17 | 2017-08-29 | (주)비츠로 | 엘이디 조명등 잔불 방지장치 |
JP6810844B2 (ja) * | 2016-05-02 | 2021-01-13 | 株式会社新陽社 | 照明装置用の照度一定制御回路 |
EP3481158B1 (en) * | 2016-08-02 | 2021-04-14 | Opple Lighting Co., Ltd. | Electronic ballast-based apparatus for controlling electronic control circuit and illuminating lamp |
CN108337763B (zh) * | 2017-01-19 | 2023-12-26 | 常州星宇车灯股份有限公司 | 抑制温度漂移的断路关断*** |
WO2019099455A1 (en) * | 2017-11-15 | 2019-05-23 | Innotec, Corp. | Flashing lamp circuit |
US20220178974A1 (en) * | 2020-12-09 | 2022-06-09 | Grace Technologies, Inc. | Voltage indicator |
-
2020
- 2020-06-17 WO PCT/JP2020/023722 patent/WO2020256001A1/ja active Application Filing
- 2020-06-17 US US17/620,454 patent/US20220256675A1/en active Pending
- 2020-06-17 JP JP2021526833A patent/JP7408654B2/ja active Active
- 2020-06-17 CN CN202080042972.0A patent/CN113994766A/zh active Pending
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2006004839A (ja) | 2004-06-18 | 2006-01-05 | Sanyo Electric Co Ltd | Led照明装置 |
JP2011258517A (ja) | 2010-06-11 | 2011-12-22 | Mitsubishi Electric Corp | Led電源装置及びled照明器具 |
JP2012204789A (ja) | 2011-03-28 | 2012-10-22 | Funai Electric Co Ltd | 点灯制御回路、及び、表示装置 |
JP2017539079A (ja) | 2014-10-21 | 2017-12-28 | フィリップス ライティング ホールディング ビー ヴィ | 発光回路のセグメント駆動 |
JP2019054020A (ja) | 2017-09-12 | 2019-04-04 | 新電元工業株式会社 | 車両用制御装置および車両用制御装置の制御方法 |
Also Published As
Publication number | Publication date |
---|---|
CN113994766A (zh) | 2022-01-28 |
WO2020256001A1 (ja) | 2020-12-24 |
US20220256675A1 (en) | 2022-08-11 |
JPWO2020256001A1 (ja) | 2020-12-24 |
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