EP3921874A1 - Module del - Google Patents

Module del

Info

Publication number
EP3921874A1
EP3921874A1 EP20710184.1A EP20710184A EP3921874A1 EP 3921874 A1 EP3921874 A1 EP 3921874A1 EP 20710184 A EP20710184 A EP 20710184A EP 3921874 A1 EP3921874 A1 EP 3921874A1
Authority
EP
European Patent Office
Prior art keywords
led module
emission spectrum
intensity
led
spectrum
Prior art date
Legal status (The legal status 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 status listed.)
Pending
Application number
EP20710184.1A
Other languages
German (de)
English (en)
Inventor
Kenneth Martin
Lukas Osl
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Zumtobel Lighting GmbH Austria
Original Assignee
Zumtobel Lighting GmbH Austria
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
Priority claimed from ATGM50038/2019U external-priority patent/AT16880U1/de
Priority claimed from EP19217282.3A external-priority patent/EP3840068A1/fr
Application filed by Zumtobel Lighting GmbH Austria filed Critical Zumtobel Lighting GmbH Austria
Priority claimed from PCT/EP2020/057124 external-priority patent/WO2020187840A1/fr
Publication of EP3921874A1 publication Critical patent/EP3921874A1/fr
Pending legal-status Critical Current

Links

Classifications

    • 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
    • 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
    • H01L33/50—Wavelength conversion elements
    • H01L33/501—Wavelength conversion elements characterised by the materials, e.g. binder
    • H01L33/502—Wavelength conversion materials
    • 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
    • F21K9/60—Optical arrangements integrated in the light source, e.g. for improving the colour rendering index or the light extraction
    • F21K9/64—Optical arrangements integrated in the light source, e.g. for improving the colour rendering index or the light extraction using wavelength conversion means distinct or spaced from the light-generating element, e.g. a remote phosphor layer
    • 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
    • F21V9/00—Elements for modifying spectral properties, polarisation or intensity of the light emitted, e.g. filters
    • F21V9/30—Elements containing photoluminescent material distinct from or spaced from 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]
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
    • H01L2933/00—Details relating to devices covered by the group H01L33/00 but not provided for in its subgroups
    • H01L2933/0008—Processes
    • H01L2933/0033—Processes relating to semiconductor body packages
    • H01L2933/0041—Processes relating to semiconductor body packages relating to wavelength conversion elements
    • 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
    • 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
    • H01L33/50—Wavelength conversion elements
    • H01L33/507—Wavelength conversion elements the elements being in intimate contact with parts other than the semiconductor body or integrated with parts other than the semiconductor body

Definitions

  • the present invention relates to an LED module for producing a
  • Emission spectrum in particular a mixed-colored light or white light
  • LED module emitting LED module or LED light.
  • Target compromise is composed following. That compromise is that
  • a Planckian is used as the reference light spectrum
  • CCTs Correlated color
  • Daylight spectra including Planck emission spectra.
  • emission spectra are aimed at color rendering and maximum efficiency
  • LED chips that are at a maximum wavelength of around 450 nm
  • the density of the phosphors in the light path in front of the short-wave emitting LED is
  • the aim is therefore to use natural light sources as much as possible
  • the azure blue component which is also called melanopic, has more recent findings
  • the present invention relates to an LED module, wherein
  • the LED module comprises: an LED chip which is designed to emit radiation
  • Modules contains a blue light component and a green light component, with one
  • CIE intensity is the same color temperature.
  • This emission spectrum of the LED module is preferably similar to the daylight spectrum in an important spectral range
  • the emission spectrum has a positive effect on the health of the
  • the at least one phosphor is formed which
  • the emission spectrum of the LED module is due to a mixture of the radiation
  • the LED module comprises a cover
  • a globe top which contains the at least one phosphor.
  • the globe top can in particular be mixed with the at least one phosphor
  • the LED chip emits the radiation in one
  • UV ultraviolet
  • the emission spectrum of the LED module in FIG. 1 is the emission spectrum of the LED module in FIG. 1
  • the emission spectrum of the LED module is at one
  • Color temperature of 4000 K essentially, preferably essentially important
  • the deviation from this natural one is light
  • the emission spectrum of the LED module 100 can be at a certain
  • Color temperature preferably 4000 K, essentially, preferably within
  • the emission spectrum of the LED module 100 can be determined at the
  • Color temperature m substantially, preferably within 10%, preferred
  • correlated color temperature must be a maximum of 1750 Kelvin higher.
  • the color temperature of the normalized daylight spectrum is preferably in
  • the emission spectrum of the LED module 100 is at a color temperature of 4000
  • K is essentially equal to a standardized one
  • the emission spectrum of the LED module is in
  • a green range for example from 530 nm to 550 nm, at a
  • Color temperature of 4000 K preferably close to the daylight spectrum at 5700 K.
  • an intensity of the emission spectrum is in
  • a color rendering index is CRI (Color Rendering
  • the emission spectrum of the LED module is through
  • a dye-converted LED thus comprises an LED chip, the electromagnetic signal
  • Radiation emits and at least one phosphor that emits this radiation at least
  • the emission spectrum of the LED module is through
  • At least one phosphor at least one phosphor, and the optical properties of a lamp.
  • the optical properties of the luminaire reduce the violet component
  • an intensity of the radiation from the LED chip is through
  • Amplitude or pulse width modulation can be changed.
  • the wavelength of the radiation from the LED chip is about
  • a forward current or its temperature can be changed.
  • a range from 410 nm to 430 nm is
  • a third emission peak of the is at approximately 605 nm
  • Emission spectrum lies, which has a greater intensity than the first emission peak
  • a third emission peak of the is at approximately 605 nm
  • the present invention relates to a method for a
  • An LED module comprising the following steps: emitting radiation and
  • an emission spectrum of the LED module is a
  • blue light component is greater than a CIE intensity of the same color temperature
  • Figure 1 is a schematic representation of an LED module according to a
  • FIG. 5 different emission spectra at different color temperatures
  • FIG. 6 shows a method for an LED module according to an embodiment of FIG.
  • Figure 1 shows a schematic representation of an LED module 100 according to a
  • the LED module 100 comprises an LED chip 102, which is designed to have a
  • this radiation can be blue or purple
  • the radiation preferably does not include UV radiation.
  • the LED module 100 comprises at least one phosphor 104 which is suitable for this
  • An emission spectrum of the LED module 100 contains a blue light component
  • CRI intensity is the same color temperature and where an intensity of green
  • Light component is smaller than a CIE intensity of the same color temperature.
  • the emission spectrum of the LED module 100 can be determined by the radiation from the LED chip
  • the phosphor 104 can therefore partially absorb the radiation from the LED chip 102
  • the emission spectrum of the LED module 100 has the advantage that in the (potentially for
  • Wavelength ranges are, according to the invention, close to natural
  • optics or LED module 100 with / without optics are based, for example, on one
  • LED chip 102 which has a chip emission peak of 420-425nm (purple),
  • the LED module 100 can also have several
  • LED chips 102 contain and at least electromagnetic radiation from one
  • Led chip 102 up to all LED chips 102 is of the at least one
  • optical system e.g. reflector, lenses, diffusers, transparent or
  • Receiving area of the violet light of the LED chip 102 can be designed in this way
  • the emission spectrum of the LED module 100 is at a certain level
  • Color temperature preferably 4000 K, essentially, preferably
  • the emission spectrum of the LED module 100 draines at the specific
  • Color temperature m substantially, preferably within 10%, preferred
  • the color temperature of the normalized daylight spectrum is preferred
  • the emission spectrum of the LED module 100 is at one color temperature
  • the emission-spectral course creates a color rendering level
  • a light source (LED module 100) is advantageously generated in this way,
  • FIG. 2 An exemplary embodiment for an emission spectrum of an LED module 100 according to the invention is shown in FIG. In Fig. 2 the course of the reference emission spectrum of the CIE ("D65”) and the emission spectrum (“zg spectrum”)
  • the reference emission spectrum of the CIE is shown by way of example in FIG.
  • the example in FIG. 2 is characterized in that there is almost no emission in the
  • the emission spectrum preferably has in the region between the emission
  • Figure 3 shows different emission spectra at the same color temperature and their
  • FIG. 3 An exemplary embodiment for an emission spectrum of an LED module 100 according to the invention is shown in FIG. In Fig. 3 the course of the reference emission spectrum of the CIE ("D40”) and the emission spectrum (“zg spectrum”)
  • the reference emission spectrum of the CIE is shown in FIG. 3 using the example
  • the example in FIG. 3 is characterized in that there is almost no emission in the
  • Emission approximates the value of the second emission peak at approx. 470.
  • FIG. 4 shows different emission spectra at different color temperatures
  • FIG. 4 An exemplary embodiment for an emission spectrum of an LED module 100 according to the invention is shown in FIG. In Fig. 4 the course of the reference emission spectrum of the CIE ("D80”) and the emission spectrum (“zg spectrum”)
  • the example in FIG. 5 is characterized in that there is almost no emission in the
  • the LED module according to the invention in the range from 450 nm to 525 nm
  • a preferred embodiment has a very small deviation (preferably
  • FIG. 5 shows different emission spectra at different color temperatures
  • FIG. 5 An exemplary embodiment for an emission spectrum of an LED module 100 according to the invention is shown in FIG. In Fig. 5 the course of the reference emission spectrum of the CIE (“Daylight”) and the emission spectrum (“zg
  • the emission spectrum preferably has in the range between the second
  • a preferred embodiment has a very small deviation (preferably
  • FIG. 6 shows a method 700 for an LED module 100 according to a preferred one
  • the method 700 for an LED module 100 comprises the following steps:
  • Emitting 702 radiation (through an LED chip 102);
  • this emission spectrum of the LED module 100 can be directly transmitted by a
  • the desired emission spectrum can not only be the result of one
  • optical properties of a lamp for example the violet part of the

Landscapes

  • Engineering & Computer Science (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Physics & Mathematics (AREA)
  • General Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Computer Hardware Design (AREA)
  • Power Engineering (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Optics & Photonics (AREA)
  • Led Device Packages (AREA)

Abstract

La présente invention concerne un module DEL (100), comprenant : une puce DEL (102), qui est conçu pour émettre un rayonnement électromagnétique ; au moins un luminophore (104), qui est conçu pour convertir le rayonnement de la puce DEL (102) en lumière, un spectre d'émission du module DEL (100) contenant une fraction de lumière bleue et une fraction de lumière verte, une intensité de la fraction de lumière bleue étant supérieure à une intensité CIE de la même température de couleur et une intensité de la fraction de lumière verte étant inférieure à une intensité CIE de la même température de couleur.
EP20710184.1A 2019-03-18 2020-03-16 Module del Pending EP3921874A1 (fr)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
ATGM50038/2019U AT16880U1 (de) 2019-03-18 2019-03-18 Weißes Licht abstrahlendes LED-Modul
DE102019118664.1A DE102019118664A1 (de) 2019-03-18 2019-07-10 LED-Modul
EP19217282.3A EP3840068A1 (fr) 2019-12-18 2019-12-18 Module à del émettant de la lumière blanche
PCT/EP2020/057124 WO2020187840A1 (fr) 2019-03-18 2020-03-16 Module del

Publications (1)

Publication Number Publication Date
EP3921874A1 true EP3921874A1 (fr) 2021-12-15

Family

ID=77181328

Family Applications (1)

Application Number Title Priority Date Filing Date
EP20710184.1A Pending EP3921874A1 (fr) 2019-03-18 2020-03-16 Module del

Country Status (3)

Country Link
US (1) US11658272B2 (fr)
EP (1) EP3921874A1 (fr)
CN (1) CN113261121A (fr)

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101872825B (zh) * 2010-04-29 2013-05-15 华侨大学 制备低色温高显色性大功率白光led的方法
JP2015115506A (ja) 2013-12-12 2015-06-22 パナソニックＩｐマネジメント株式会社 照明光源
KR102295831B1 (ko) 2015-06-24 2021-09-01 도시바 마테리알 가부시키가이샤 옥내 조명 장치
KR101995000B1 (ko) 2016-05-16 2019-07-01 엘지이노텍 주식회사 발광소자 패키지 및 조명장치

Also Published As

Publication number Publication date
US11658272B2 (en) 2023-05-23
CN113261121A (zh) 2021-08-13
US20220059731A1 (en) 2022-02-24

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