EP3921874A1 - Led-modul - Google Patents
Led-modulInfo
- 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
Links
- 238000000295 emission spectrum Methods 0.000 claims abstract description 157
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 claims abstract description 29
- 230000005855 radiation Effects 0.000 claims abstract description 29
- 230000005670 electromagnetic radiation Effects 0.000 claims abstract description 11
- 238000001228 spectrum Methods 0.000 claims description 45
- 230000002596 correlated effect Effects 0.000 claims description 9
- 238000009877 rendering Methods 0.000 claims description 8
- 238000000034 method Methods 0.000 claims description 6
- IRERQBUNZFJFGC-UHFFFAOYSA-L azure blue Chemical compound [Na+].[Na+].[Na+].[Na+].[Na+].[Na+].[Na+].[Na+].[Al+3].[Al+3].[Al+3].[Al+3].[Al+3].[Al+3].[S-]S[S-].[O-][Si]([O-])([O-])[O-].[O-][Si]([O-])([O-])[O-].[O-][Si]([O-])([O-])[O-].[O-][Si]([O-])([O-])[O-].[O-][Si]([O-])([O-])[O-].[O-][Si]([O-])([O-])[O-] IRERQBUNZFJFGC-UHFFFAOYSA-L 0.000 claims description 5
- 230000003287 optical effect Effects 0.000 claims description 5
- 239000000203 mixture Substances 0.000 claims description 4
- 239000000463 material Substances 0.000 claims description 2
- 230000000007 visual effect Effects 0.000 description 12
- 230000009467 reduction Effects 0.000 description 9
- 230000000694 effects Effects 0.000 description 6
- 230000003595 spectral effect Effects 0.000 description 6
- 230000008901 benefit Effects 0.000 description 5
- 241000282414 Homo sapiens Species 0.000 description 4
- 230000035945 sensitivity Effects 0.000 description 4
- 239000003086 colorant Substances 0.000 description 3
- 230000004907 flux Effects 0.000 description 3
- 230000006978 adaptation Effects 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 235000008733 Citrus aurantifolia Nutrition 0.000 description 1
- 241000282412 Homo Species 0.000 description 1
- 235000011941 Tilia x europaea Nutrition 0.000 description 1
- 230000003213 activating effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000000875 corresponding effect Effects 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 230000009982 effect on human Effects 0.000 description 1
- 230000005284 excitation Effects 0.000 description 1
- 230000004438 eyesight Effects 0.000 description 1
- 230000004313 glare Effects 0.000 description 1
- 230000036541 health Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 239000004571 lime Substances 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 230000001766 physiological effect Effects 0.000 description 1
- 230000008092 positive effect Effects 0.000 description 1
- 210000001747 pupil Anatomy 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10H—INORGANIC LIGHT-EMITTING SEMICONDUCTOR DEVICES HAVING POTENTIAL BARRIERS
- H10H20/00—Individual inorganic light-emitting semiconductor devices having potential barriers, e.g. light-emitting diodes [LED]
- H10H20/80—Constructional details
- H10H20/85—Packages
- H10H20/851—Wavelength conversion means
- H10H20/8511—Wavelength conversion means characterised by their material, e.g. binder
- H10H20/8512—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
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10H—INORGANIC LIGHT-EMITTING SEMICONDUCTOR DEVICES HAVING POTENTIAL BARRIERS
- H10H20/00—Individual inorganic light-emitting semiconductor devices having potential barriers, e.g. light-emitting diodes [LED]
- H10H20/01—Manufacture or treatment
- H10H20/036—Manufacture or treatment of packages
- H10H20/0361—Manufacture or treatment of packages of wavelength conversion means
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10H—INORGANIC LIGHT-EMITTING SEMICONDUCTOR DEVICES HAVING POTENTIAL BARRIERS
- H10H20/00—Individual inorganic light-emitting semiconductor devices having potential barriers, e.g. light-emitting diodes [LED]
- H10H20/80—Constructional details
- H10H20/85—Packages
- H10H20/851—Wavelength conversion means
- H10H20/8515—Wavelength conversion means not being in contact with the bodies
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)
- Physics & Mathematics (AREA)
- General Engineering & Computer Science (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Optics & Photonics (AREA)
- Led Device Packages (AREA)
Abstract
Description
Claims
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 (de) | 2019-12-18 | 2019-12-18 | Weisses licht abstrahlendes led-modul |
| PCT/EP2020/057124 WO2020187840A1 (de) | 2019-03-18 | 2020-03-16 | Led-modul |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| EP3921874A1 true EP3921874A1 (de) | 2021-12-15 |
Family
ID=77181328
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP20710184.1A Pending EP3921874A1 (de) | 2019-03-18 | 2020-03-16 | Led-modul |
Country Status (3)
| Country | Link |
|---|---|
| US (1) | US11658272B2 (de) |
| EP (1) | EP3921874A1 (de) |
| CN (1) | CN113261121B (de) |
Family Cites Families (4)
| 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 |
| CN112349825B (zh) * | 2015-06-24 | 2024-06-21 | 首尔半导体株式会社 | 白色光源系统以及屋内照明装置 |
| KR101995000B1 (ko) | 2016-05-16 | 2019-07-01 | 엘지이노텍 주식회사 | 발광소자 패키지 및 조명장치 |
-
2020
- 2020-03-16 CN CN202080007668.2A patent/CN113261121B/zh active Active
- 2020-03-16 EP EP20710184.1A patent/EP3921874A1/de active Pending
- 2020-03-16 US US17/417,823 patent/US11658272B2/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| US11658272B2 (en) | 2023-05-23 |
| US20220059731A1 (en) | 2022-02-24 |
| CN113261121A (zh) | 2021-08-13 |
| CN113261121B (zh) | 2024-12-24 |
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Legal Events
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| PUAI | Public reference made under article 153(3) epc to a published international application that has entered the european phase |
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| 17P | Request for examination filed |
Effective date: 20210906 |
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| DAX | Request for extension of the european patent (deleted) | ||
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| 17Q | First examination report despatched |
Effective date: 20230322 |