JP6554123B2 - 発光装置 - Google Patents
発光装置 Download PDFInfo
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- JP6554123B2 JP6554123B2 JP2017004787A JP2017004787A JP6554123B2 JP 6554123 B2 JP6554123 B2 JP 6554123B2 JP 2017004787 A JP2017004787 A JP 2017004787A JP 2017004787 A JP2017004787 A JP 2017004787A JP 6554123 B2 JP6554123 B2 JP 6554123B2
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- 239000003086 colorant Substances 0.000 claims description 6
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- 230000001629 suppression Effects 0.000 description 2
- 238000011144 upstream manufacturing Methods 0.000 description 2
- 230000020169 heat generation Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
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- 229920005989 resin Polymers 0.000 description 1
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G3/00—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
- G09G3/04—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of a single character by selection from a plurality of characters, or by composing the character by combination of individual elements, e.g. segments using a combination of such display devices for composing words, rows or the like, in a frame with fixed character positions
- G09G3/06—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of a single character by selection from a plurality of characters, or by composing the character by combination of individual elements, e.g. segments using a combination of such display devices for composing words, rows or the like, in a frame with fixed character positions using controlled light sources
- G09G3/12—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of a single character by selection from a plurality of characters, or by composing the character by combination of individual elements, e.g. segments using a combination of such display devices for composing words, rows or the like, in a frame with fixed character positions using controlled light sources using electroluminescent elements
- G09G3/14—Semiconductor devices, e.g. diodes
-
- 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
- H01L25/03—Assemblies consisting of a plurality of individual semiconductor or other solid state devices ; Multistep manufacturing processes thereof all the devices being of a type provided for in the same subgroup of groups H01L27/00 - H01L33/00, or in a single subclass of H10K, H10N, e.g. assemblies of rectifier diodes
- H01L25/04—Assemblies consisting of a plurality of individual semiconductor or other solid state devices ; Multistep manufacturing processes thereof all the devices being of a type provided for in the same subgroup of groups H01L27/00 - H01L33/00, or in a single subclass of H10K, H10N, e.g. assemblies of rectifier diodes the devices not having separate containers
- H01L25/075—Assemblies consisting of a plurality of individual semiconductor or other solid state devices ; Multistep manufacturing processes thereof all the devices being of a type provided for in the same subgroup of groups H01L27/00 - H01L33/00, or in a single subclass of H10K, H10N, e.g. assemblies of rectifier diodes the devices not having separate containers the devices being of a type provided for in group H01L33/00
- H01L25/0753—Assemblies consisting of a plurality of individual semiconductor or other solid state devices ; Multistep manufacturing processes thereof all the devices being of a type provided for in the same subgroup of groups H01L27/00 - H01L33/00, or in a single subclass of H10K, H10N, e.g. assemblies of rectifier diodes the devices not having separate containers the devices being of a type provided for in group H01L33/00 the devices being arranged next to each other
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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]
- H05B45/10—Controlling the intensity of the light
- H05B45/14—Controlling the intensity of the light using electrical feedback from LEDs or from LED modules
-
- 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
- H05B45/395—Linear regulators
-
- 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
-
- 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
- F21Y2113/00—Combination of light sources
- F21Y2113/10—Combination of light sources of different colours
- F21Y2113/13—Combination of light sources of different colours comprising an assembly of point-like light sources
-
- 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]
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G2320/00—Control of display operating conditions
- G09G2320/06—Adjustment of display parameters
- G09G2320/0666—Adjustment of display parameters for control of colour parameters, e.g. colour temperature
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G3/00—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
- G09G3/20—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters
- G09G3/34—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters by control of light from an independent source
- G09G3/3406—Control of illumination source
- G09G3/3413—Details of control of colour illumination sources
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B20/00—Energy efficient lighting technologies, e.g. halogen lamps or gas discharge lamps
- Y02B20/30—Semiconductor lamps, e.g. solid state lamps [SSL] light emitting diodes [LED] or organic LED [OLED]
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Computer Hardware Design (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- Theoretical Computer Science (AREA)
- Circuit Arrangement For Electric Light Sources In General (AREA)
- Led Devices (AREA)
Description
以下、本発明の第1実施形態を図1及び図2に基づいて説明する。図1は、第1実施形態における本発明の発光装置としてのLED装置を示す回路図である。図2は、図1に示すLEDユニットの一例を示す概略斜視図である。
次に、本発明の第2実施形態を図3に基づいて説明する。図3は、第2実施形態における本発明の発光装置としてのLED装置を示す回路図である。なお、同図において、上述した第1実施形態で既に説明した図1のLED装置と同等の部分については同一符号を付してその詳細な説明を省略する。
2R LEDユニット(光源ユニット)
2F LEDユニット(光源ユニット)
3 中継コネクタ(制御部)
4RB 青色LED(光源)
4RR 赤色LED(光源)
4RG 緑色LED(光源)
4FB 青色LED(光源)
4FR 赤色LED(光源)
4FG 緑色LED(光源)
5B 青色定電流回路(定電流回路)
5R 赤色定電流回路(定電流回路)
5G 緑色定電流回路(定電流回路)
21R LED基板(光源基板)
21F LED基板(光源基板)
22R 定電流基板
22F 定電流基板
23R 収容部
23F 収容部
T31 電源端子(第1電源端子)
T32 電源端子(第2電源端子)
T33〜T35 接続端子(第1接続端子)
T36 接続端子(第2接続端子)
T41 電源端子(第3電源端子)
T42〜T44 接続端子(第3接続端子)
T45、T46 接続端子(第4接続端子)
Claims (4)
- 互いに並列接続される複数系統の光源が搭載された光源基板と、前記光源に電流を供給する定電流回路が搭載された定電流基板と、前記光源基板及び前記定電流基板を収容する収容部と、を有する光源ユニットを複数備えた発光装置であって、
複数の前記光源ユニットの同じ系統の光源同士が、互いに直列接続され、
前記光源の系統毎に直列接続される複数の定電流回路が、前記複数の光源ユニットの定電流基板に分散して配置されることを特徴とする発光装置。 - 前記光源基板には、互いに異なる色で発光する複数の光源が互いに並列接続されて搭載され、
前記系統は発光色で区別され、
前記複数の前記光源ユニットの同色の光源同士が、互いに直列接続されていることを特徴とする請求項1に記載の発光装置。 - 前記光源ユニットは、2つ設けられ、
前記光源基板は、3系統の光源が配置され、
前記2つの光源ユニットのうち一方の定電流基板には、3系統の光源のうち駆動電流が小さい2系統の光源にそれぞれ電流を供給する定電流回路が搭載され、
前記2つの光源ユニットのうち他方の定電流基板には、前記3系統の光源のうち駆動電流が最も大きい1系統の光源に電流を供給する定電流回路が搭載されていることを特徴とする請求項1又は2に記載の発光装置。 - 前記3系統の光源をそれぞれ独立して制御する制御部をさらに備え、
前記2つの光源ユニットの一方には、当該光源基板及び定電流基板に電源を供給するための第1電源端子と、前記電源を前記2つの光源ユニットの他方に供給するための第2電源端子と、当該3系統の光源をそれぞれ前記光源ユニットの他方に接続するための3つの第1接続端子と、当該3系統の光源のうち駆動電流が最も大きい1系統の光源を前記制御部に接続するための第2接続端子と、が設けられ、
前記2つの光源ユニットの他方には、前記第2電源端子に接続される第3電源端子と、当該3系統の光源をそれぞれ前記光源ユニットの一方に接続するための3つの第3接続端子と、当該3系統の光源のうち駆動電流が小さい2系統の光源を前記制御部に接続するための2つの第4接続端子と、が設けられたことを特徴とする請求項3に記載の発光装置。
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2017004787A JP6554123B2 (ja) | 2017-01-16 | 2017-01-16 | 発光装置 |
US15/831,747 US10560991B2 (en) | 2017-01-16 | 2017-12-05 | Light emitting device |
DE102018200212.6A DE102018200212B4 (de) | 2017-01-16 | 2018-01-09 | Lichtemissionsvorrichtung |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2017004787A JP6554123B2 (ja) | 2017-01-16 | 2017-01-16 | 発光装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2018116762A JP2018116762A (ja) | 2018-07-26 |
JP6554123B2 true JP6554123B2 (ja) | 2019-07-31 |
Family
ID=62716941
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Application Number | Title | Priority Date | Filing Date |
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JP2017004787A Active JP6554123B2 (ja) | 2017-01-16 | 2017-01-16 | 発光装置 |
Country Status (3)
Country | Link |
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US (1) | US10560991B2 (ja) |
JP (1) | JP6554123B2 (ja) |
DE (1) | DE102018200212B4 (ja) |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US8362703B2 (en) * | 2007-12-20 | 2013-01-29 | Luminus Devices, Inc. | Light-emitting devices |
US8915610B2 (en) * | 2008-08-11 | 2014-12-23 | Rohm Co., Ltd. | Lighting device |
US8866416B2 (en) * | 2011-05-04 | 2014-10-21 | Universal Display Corporation | Illumination source using LEDs and OLEDs |
JP5936906B2 (ja) * | 2011-06-29 | 2016-06-22 | ローム株式会社 | Led電球 |
US8704433B2 (en) * | 2011-08-22 | 2014-04-22 | Lg Innotek Co., Ltd. | Light emitting device package and light unit |
JP5678903B2 (ja) | 2012-01-31 | 2015-03-04 | 豊田合成株式会社 | Led駆動回路 |
JP6526425B2 (ja) * | 2015-01-23 | 2019-06-05 | 矢崎総業株式会社 | 発光装置 |
JP2016202148A (ja) * | 2015-04-28 | 2016-12-08 | 株式会社有沢製作所 | 植物栽培用照明装置 |
-
2017
- 2017-01-16 JP JP2017004787A patent/JP6554123B2/ja active Active
- 2017-12-05 US US15/831,747 patent/US10560991B2/en active Active
-
2018
- 2018-01-09 DE DE102018200212.6A patent/DE102018200212B4/de active Active
Also Published As
Publication number | Publication date |
---|---|
US20180206302A1 (en) | 2018-07-19 |
DE102018200212A1 (de) | 2018-07-19 |
US10560991B2 (en) | 2020-02-11 |
DE102018200212B4 (de) | 2023-01-19 |
JP2018116762A (ja) | 2018-07-26 |
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