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WO2013030980A1 - Dispositif d'éclairage - Google Patents

Dispositif d'éclairage Download PDF

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Publication number
WO2013030980A1
WO2013030980A1 PCT/JP2011/069770 JP2011069770W WO2013030980A1 WO 2013030980 A1 WO2013030980 A1 WO 2013030980A1 JP 2011069770 W JP2011069770 W JP 2011069770W WO 2013030980 A1 WO2013030980 A1 WO 2013030980A1
Authority
WO
WIPO (PCT)
Prior art keywords
luminance
light emitting
surface light
lighting mode
unit
Prior art date
Application number
PCT/JP2011/069770
Other languages
English (en)
Japanese (ja)
Inventor
平沢　明
Original Assignee
パイオニア株式会社
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=46678859&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=WO2013030980(A1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by パイオニア株式会社 filed Critical パイオニア株式会社
Priority to JP2012507535A priority Critical patent/JP4976605B1/ja
Priority to PCT/JP2011/069770 priority patent/WO2013030980A1/fr
Publication of WO2013030980A1 publication Critical patent/WO2013030980A1/fr

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Classifications

    • 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
    • H05B45/12—Controlling the intensity of the light using optical feedback
    • 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
    • H05B47/105—Controlling the light source in response to determined parameters
    • H05B47/11—Controlling the light source in response to determined parameters by determining the brightness or colour temperature of ambient light
    • H—ELECTRICITY
    • H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
    • H10K59/00—Integrated devices, or assemblies of multiple devices, comprising at least one organic light-emitting element covered by group H10K50/00
    • H10K59/80—Constructional details
    • H10K59/84—Parallel electrical configurations of multiple OLEDs
    • H—ELECTRICITY
    • H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
    • H10K59/00—Integrated devices, or assemblies of multiple devices, comprising at least one organic light-emitting element covered by group H10K50/00
    • H10K59/60—OLEDs integrated with inorganic light-sensitive elements, e.g. with inorganic solar cells or inorganic photodiodes
    • 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
    • Y02B20/40—Control techniques providing energy savings, e.g. smart controller or presence detection

Definitions

  • an LED surface light emitting unit that emits light in a substantially planar shape by arranging a plurality of LEDs in a matrix on a plane is known.
  • an organic EL panel which is a film-like or plate-like self-luminous planar light emitting element using an organic EL element utilizing organic electroluminescence (hereinafter referred to as organic EL) is also known as a surface light emitting unit.
  • Patent Document 1 discloses a light receiving element that receives light emitted from a light emitting element that constitutes an image display panel, measures a light emission amount for each element, a memory device that stores the measured light emission amount, and a measured light emission.
  • An image display device is disclosed that includes a correction circuit that corrects the intensity of an image signal so that the amount approaches a predetermined reference value, and compensates for a decrease in luminance due to deterioration of a light emitting element.
  • the present invention provides an illumination device that includes a plurality of surface light emitting units, and is capable of suppressing unevenness in luminance between surface light emitting units while suppressing variations in the speed of decrease in luminance due to changes over time of the surface light emitting units. Providing is an example of the problem.
  • FIG. 1 It is a block diagram which shows the illuminating device containing the illumination panel which consists of a some surface light emission part as an Example of this invention, and the drive part which drives this illumination panel. It is a top view of a part of lighting panel of the lighting device of FIG. 1 according to an embodiment of the present invention. It is a top view of a part of the illumination panel of the illuminating device of the other Example of this invention. It is a flowchart which shows operation
  • the graph (A) showing the distribution of the luminance L for each surface light emitting unit when the light emitting elements are rearranged and the surface light emission for explaining the reference line for setting the luminance distribution of the surface light emitting unit as the reference value of the dark lighting mode
  • the luminance distribution of the surface light emitting portion of the lighting device of another embodiment of the present invention and the graph (A) showing the distribution of the luminance L for each surface light emitting portion when rearranged are set as reference values for the dark lighting mode.
  • 5 is a graph (B) showing a surface light emitting part (number No.) and a luminance L for explaining a reference line for the purpose.
  • the luminance distribution of the surface light emitting portion of the lighting device of another embodiment of the present invention and the graph (A) showing the distribution of the luminance L for each surface light emitting portion when rearranged are set as reference values for the dark lighting mode.
  • FIG. 1 shows a configuration of a lighting device 11 according to the present invention.
  • the illumination device 11 includes, for example, an illumination panel 23 including a plurality of surface light emitting units 21 arranged two-dimensionally, a driver unit 25, a plurality of luminance sensors 29, a luminance detection unit 31, a storage unit 33, and a control. Part 35 and console 27.
  • the driver unit 25, the luminance sensor 29, the luminance detection unit 31, the storage unit 33, the control unit 35, and the console 27 constitute a drive unit.
  • the illumination panel 23 includes a plurality of surface light emitting units 21 juxtaposed with each other.
  • the surface light emitting units 21 are arranged along the main surface of the base 22.
  • An organic EL element can be used for each of the surface light emitting portions 21.
  • the surface light emitting unit may have a configuration in which the light emitting area is divided by an insulating film, or may be a separately manufactured light emitting panel.
  • the illumination panel 23 may have a configuration in which a plurality of light emitting panels are tiled.
  • the driver unit 25 is provided, for example, on the main back surface side of the base 22 and is individually connected to each of the plurality of surface light emitting units 21 to drive each surface light emitting unit 21 by supplying electric power for light emission.
  • the driver unit 25 is further connected to the control unit 35, and individually controls lighting and extinction accompanied by luminance control of each of the plurality of surface light emitting units 21 according to a signal from the control unit 35. That is, the control unit 35 supplies the driver unit 25 with a luminance control signal for causing the lighting panel 23 to emit light in the normal lighting mode (referred to as the bright lighting mode) or the dark nightlight mode (referred to as the dark lighting mode) compared to the bright lighting mode. Then, the driver unit 25 drives the lighting panel 23 to be lit in the bright lighting mode or the dark lighting mode.
  • the console 27 is connected to the control unit 35, and is provided in a remote control or a room including an open / close switch for supplying an operation output to the control unit according to an operation such as turning on / off the lighting device 11 or switching a lighting mode by the user.
  • a device such as a wired module to be attached.
  • the luminance detection unit 31 sequentially A / D-converts the luminance signal from the luminance sensor 29 according to the measurement command from the control unit 35 and supplies the luminance measurement value to the control unit 35 as luminance measurement data.
  • each of the luminance sensors 29 is arranged so as to be in contact with the surface of the surface light emitting unit 21 so that the luminance of the surface light emitting units 21 can be detected. Further, as shown in FIG. 3, the luminance sensor 29 is placed between the rectangular surface light emitting units 21 at various positions (in FIG. 3A, diagonally to the surface light emitting unit, and in FIG. It can be arranged on the opposite side in the longitudinal direction, on the opposite side in the short side direction of the surface light emitting portion in FIG.
  • the luminance sensor only needs to be arranged so as to be able to detect the luminance of the surface light emitting unit 21, and is not shown, but even if it is arranged outside the substrate or the sealing member, it is disposed between the substrate and the sealing member. Also good. However, it is desirable that the luminance sensor 29 be disposed at a location that is not easily affected by external light or a configuration that is not easily affected by external light.
  • the number of luminance sensors is not limited to one for each surface light emitting unit, and a smaller number of luminance sensors than the number of surface light emitting units may be provided. For example, as shown in FIG.
  • each surface light emitting unit 21 around the surface light emitting unit A is converted to a surface light emitting unit A ⁇ surface.
  • the luminance of each surface light emitting unit can also be measured by measuring the luminance of each surface light emitting unit 21 by sequentially emitting light from the light emitting unit B ⁇ the surface light emitting unit C ⁇ the surface light emitting unit D.
  • the control unit 35 is configured by a CPU or the like, and independently controls the light emission of each surface light emitting unit 21 via the driver unit 25 and executes a lighting control routine for controlling the luminance and lighting / lighting off of each surface light emitting unit 21. .
  • the storage unit 33 connected to the control unit 35 stores programs necessary for the control of the control unit 35, measurement data from the luminance detection unit 31, and the like.
  • the control part 35 calculates based on the measurement data from the brightness
  • the measured value of the surface light emitting unit 21A is the average value of the measured values of the sensors 29A, 29B, 29C, and 29D around the surface light emitting unit. Further, the control unit 35 controls the drive current supplied to each organic EL element of the surface light emitting unit 21 via the driver unit 25 to regulate the light emission distribution of the lighting panel 21 at the time of lighting.
  • the control unit 35 monitors the passage of a threshold time such as the time when the temperature of the lighting panel is saturated (step S5). If the threshold time has elapsed, the control unit 35 sends a measurement command signal to the luminance detection unit 31, and the luminance detection unit 31 performs luminance measurement according to the measurement start signal (step S6).
  • the luminance detection unit 31 generates a luminance signal from the luminance sensor 29 as luminance measurement data, and the control unit 35 captures this and updates a measurement data map (not shown) in the storage unit 33.
  • step S3 If a determination result of dark lighting mode command input from the console 27 is obtained in step S3, the control unit 35 takes in the reference value data map (step S8) and sends a dark lighting command to the driver unit 25 (step S9).
  • the driver unit 25 turns on each of the plurality of surface light emitting units 21 with a nightlight pattern having various luminance levels according to the reference value.
  • the threshold time for the above luminance measurement is, for example, about several minutes.
  • the luminance measurement is performed for each bright lighting mode.
  • the present invention is not limited to this, and the luminance measurement was performed by replacing part or all of the lighting panel or changing the installation location of the lighting panel. In some cases, it may be configured to be performed manually or automatically once.
  • the lower the luminance in the bright lighting mode the more the surface light emitting part is progressing, the lower the load in the dark lighting mode, the degree of deterioration for each surface light emitting part approaches their average value, Irradiance unevenness is reduced.
  • the average luminance Loav in the bright lighting mode and the average luminance Lav in the dark lighting mode are Loav> Lav.
  • the reference value is set so that, for example, the luminance in the dark lighting mode is lower than that in the bright lighting mode in all of the plurality of surface light emitting units.
  • the brightness of each of the surface light emitting portions on the reference line Lref that is not linear but exponentially descending can be set as a reference value (reference value data map for the dark lighting mode).
  • the measurement brightness can be set in two ranges in advance, and the brightness of each surface light emitting unit can be set as a reference value for each range. For example, when the threshold measurement luminance Sh is higher than or equal to the threshold measurement luminance Sh shown in FIG. 10A, the surface light emitting unit is turned on in the dark lighting mode as shown in FIG. 7B and the lowest luminance (or lower than the threshold measurement luminance Sh) in the bright lighting mode.
  • the reference value is that the luminance of any surface light emitting unit in the dark lighting mode is 0 ⁇ (the luminance of the surface light emitting unit in the dark lighting mode) / (the brightest bright lighting)
  • the brightness of the mode is set to fall within a range of ⁇ 1.
  • the hole injection layer is made of a CuPc film.
  • the hole transport layer is made of an NPB film.
  • the RGB light-emitting layer has an R (red) light-emitting layer using CPB as a host material and Ir (phq) 2tpy as a dopant, and a G (green) light-emitting layer using CPB as a host material and Ir (ppy) 3 as a dopant.
  • B (blue) light emitting layer is a triple layer using PAND as a host material and DPAVBi as a dopant.
  • the electron transport layer is made of an Alq3 film.
  • the electron injection material is made of LiF.
  • the cathode is made of an Al film.
  • the internal structure of this surface light emission part 21 is an example, and this invention is not limited to this.

Landscapes

  • Electroluminescent Light Sources (AREA)
  • Circuit Arrangement For Electric Light Sources In General (AREA)

Abstract

Le dispositif d'éclairage de l'invention contient : un panneau d'éclairage constitué d'une pluralité d'unités luminescentes à émission par la surface en rang les unes par rapport aux autres; et une unité d'excitation qui excite l'allumage du panneau d'éclairage en mode allumage clair ou en mode allumage sombre plus sombre que le mode allumage clair. Le dispositif d'éclairage contient en outre une unité de détection de luminance qui détecte la luminance de chaque unité luminescente à émission par la surface, et génère une sortie de détection. L'unité d'excitation stocke pour chaque unité luminescente à émission par la surface une sortie de détection générée par l'unité de détection de luminance pendant le mode allumage clair, et pendant le mode allumage sombre, choisit une luminance pour chaque unité luminescente à émission selon la sortie de détection ainsi stockée, et excite l'allumage des unités luminescentes à émission en rapport avec la luminance choisie.
PCT/JP2011/069770 2011-08-31 2011-08-31 Dispositif d'éclairage WO2013030980A1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP2012507535A JP4976605B1 (ja) 2011-08-31 2011-08-31 照明装置
PCT/JP2011/069770 WO2013030980A1 (fr) 2011-08-31 2011-08-31 Dispositif d'éclairage

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/JP2011/069770 WO2013030980A1 (fr) 2011-08-31 2011-08-31 Dispositif d'éclairage

Publications (1)

Publication Number Publication Date
WO2013030980A1 true WO2013030980A1 (fr) 2013-03-07

Family

ID=46678859

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2011/069770 WO2013030980A1 (fr) 2011-08-31 2011-08-31 Dispositif d'éclairage

Country Status (2)

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JP (1) JP4976605B1 (fr)
WO (1) WO2013030980A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2020047592A (ja) * 2014-06-26 2020-03-26 株式会社ホタルクス 有機ｅｌパネル制御装置、光源装置、及び有機ｅｌパネル制御方法

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP5833759B2 (ja) * 2012-07-24 2015-12-16 パイオニア株式会社 面光源を有する照明モジュール及び照明システム
WO2014097397A1 (fr) * 2012-12-18 2014-06-26 パイオニア株式会社 Dispositif électroluminescent et procédé de commande d'un dispositif électroluminescent
DE102013107855B4 (de) * 2013-07-23 2021-09-23 Pictiva Displays International Limited Optoelektronische Bauelementevorrichtung, Verfahren zum Herstellen einer optoelektronischen Bauelementevorrichtung und Verfahren zum Betreiben einer optoelektronischen Bauelementevorrichtung

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH11273881A (ja) * 1998-03-25 1999-10-08 Toshiba Lighting & Technology Corp ランプ点灯装置
JP2002229513A (ja) * 2001-02-06 2002-08-16 Tohoku Pioneer Corp 有機ｅｌ表示パネルの駆動装置
JP2003317944A (ja) * 2002-04-26 2003-11-07 Seiko Epson Corp 電気光学装置及び電子機器
JP2008010174A (ja) * 2006-06-27 2008-01-17 Toshiba Lighting & Technology Corp 放電ランプ点灯装置および照明装置

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH11273881A (ja) * 1998-03-25 1999-10-08 Toshiba Lighting & Technology Corp ランプ点灯装置
JP2002229513A (ja) * 2001-02-06 2002-08-16 Tohoku Pioneer Corp 有機ｅｌ表示パネルの駆動装置
JP2003317944A (ja) * 2002-04-26 2003-11-07 Seiko Epson Corp 電気光学装置及び電子機器
JP2008010174A (ja) * 2006-06-27 2008-01-17 Toshiba Lighting & Technology Corp 放電ランプ点灯装置および照明装置

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2020047592A (ja) * 2014-06-26 2020-03-26 株式会社ホタルクス 有機ｅｌパネル制御装置、光源装置、及び有機ｅｌパネル制御方法

Also Published As

Publication number Publication date
JPWO2013030980A1 (ja) 2015-03-23
JP4976605B1 (ja) 2012-07-18

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