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- JP2016054184A5 JP2016054184A5 JP2014178928A JP2014178928A JP2016054184A5 JP 2016054184 A5 JP2016054184 A5 JP 2016054184A5 JP 2014178928 A JP2014178928 A JP 2014178928A JP 2014178928 A JP2014178928 A JP 2014178928A JP 2016054184 A5 JP2016054184 A5 JP 2016054184A5
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- 230000003595 spectral Effects 0.000 claims 47
- 241001106462 Ulmus Species 0.000 claims 31
- OAICVXFJPJFONN-UHFFFAOYSA-N phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 claims 28
- 235000010956 sodium stearoyl-2-lactylate Nutrition 0.000 claims 28
- 230000002596 correlated Effects 0.000 claims 13
- 238000005286 illumination Methods 0.000 claims 8
- 239000004065 semiconductor Substances 0.000 claims 7
- 230000005457 Black-body radiation Effects 0.000 claims 2
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Claims (37)
少なくとも、発光要素として、
青色半導体発光素子、
緑色蛍光体、および、
赤色蛍光体を有し、
波長をλ(nm)とし、
当該発光要素から主たる放射方向に出射される光の分光分布をΦelm(λ)、当該発光装置から主たる放射方向に出射される光の分光分布をφSSL(λ)とし、
Φelm(λ)を有する光は下記条件I〜条件IVの少なくともいずれかを満たさず、φSSL(λ)を有する光は下記条件I〜条件IVのすべてを満たすことを特徴とする発光装置。
条件I:
対象となる光による照明を数学的に仮定した場合の#01から#15の下記15種類の修正マンセル色票のCIE 1976 L * a * b * 色空間におけるa * 値、b * 値をそれぞれa * n 、b * n (ただしnは1から15の自然数)とし、
対象となる光の相関色温度T(K)に応じて選択される基準の光での照明を数学的に仮定した場合の前記15種類の修正マンセル色票のCIE 1976 L * a * b * 色空間におけるa * 値、b * 値をそれぞれa * nref 、b * nref (ただしnは1から15の自然数)とした場合に、飽和度差ΔC n が、
−4.00 ≦ ΔC n ≦ 8.00 (nは1から15の自然数)
である。
条件II:
下記式(3)で表される対象となる光における飽和度差の平均が、
条件III:
対象となる光における飽和度差の最大値をΔC max 、対象となる光における飽和度差の最小値をΔC min とした場合に、前記飽和度差の最大値と、前記飽和度差の最小値との間の差|ΔC max −ΔC min |が、
2.00 ≦ |ΔC max −ΔC min | ≦ 10.00
である。
ただし、ΔC n =√{(a * n ) 2 +(b * n ) 2 }−√{(a * nref ) 2 +(b * nref ) 2 }とする。
15種類の修正マンセル色票
#01 7.5 P 4 /10
#02 10 PB 4 /10
#03 5 PB 4 /12
#04 7.5 B 5 /10
#05 10 BG 6 / 8
#06 2.5 BG 6 /10
#07 2.5 G 6 /12
#08 7.5 GY 7 /10
#09 2.5 GY 8 /10
#10 5 Y 8.5/12
#11 10 YR 7 /12
#12 5 YR 7 /12
#13 10 R 6 /12
#14 5 R 4 /14
#15 7.5 RP 4 /12
条件IV:
対象となる光による照明を数学的に仮定した場合の前記15種類の修正マンセル色票のCIE 1976 L * a * b * 色空間における色相角をθ n (度)(ただしnは1から15の自然数)とし、
対象となる光の相関色温度Tに応じて選択される基準の光での照明を数学的に仮定した場合の前記15種類の修正マンセル色票のCIE 1976 L * a * b * 色空間における色相角をθ nref (度)(ただしnは1から15の自然数)とした場合に、色相角差の絶対値|Δh n |が、
0.00 度 ≦ |Δh n | ≦ 12.50 度 (nは1から15の自然数)
である。
ただし、Δh n =θ n −θ nref とする。 A light emitting device having a light emitting element and a control element,
At least as a light emitting element
Blue semiconductor light emitting device,
Green phosphor, and
Having a red phosphor,
Let the wavelength be λ (nm),
The spectral distribution of the light emitted from the light emitting element in the main radiation direction is Φ elm (λ), the spectral distribution of the light emitted from the light emitting device in the main radiation direction is φ SSL (λ),
The light having Φ elm (λ) does not satisfy at least one of the following conditions I to IV , and the light having φ SSL (λ) satisfies all of the following conditions I to IV .
Condition I:
The CIE 1976 L * a * b * color space a * value and b * value of the following 15 types of modified Munsell color charts # 01 to # 15 when the illumination by the target light is mathematically assumed are a * N , b * n (where n is a natural number from 1 to 15)
CIE 1976 L * a * b * color of the 15 kinds of modified Munsell color charts when the illumination with the reference light selected according to the correlated color temperature T (K) of the target light is mathematically assumed When the a * value and b * value in space are a * nref and b * nref (where n is a natural number from 1 to 15), the saturation difference ΔC n is
−4.00 ≦ ΔC n ≦ 8.00 (n is a natural number from 1 to 15)
It is.
Condition II:
The average saturation difference in the target light represented by the following formula (3) is
Condition III:
When the maximum value of saturation difference in the target light is ΔC max and the minimum value of saturation difference in the target light is ΔC min , the maximum value of the saturation difference and the minimum value of the saturation difference The difference | ΔC max −ΔC min |
2.00 ≦ | ΔC max −ΔC min | ≦ 10.00
It is.
Note that ΔC n = √ {(a * n ) 2 + (b * n ) 2 } −√ {(a * nref ) 2 + (b * nref ) 2 }.
15 kinds of modified Munsell color chart
# 01 7.5 P 4/10
# 02 10 PB 4/10
# 03 5 PB 4/12
# 04 7.5 B 5/10
# 05 10 BG 6/8
# 06 2.5 BG 6/10
# 07 2.5 G 6/12
# 08 7.5 GY 7/10
# 09 2.5 GY 8/10
# 10 5 Y 8.5 / 12
# 11 10 YR 7/12
# 12 5 YR 7/12
# 13 10 R 6/12
# 14 5 R 4/14
# 15 7.5 RP 4/12
Condition IV:
The hue angle in the CIE 1976 L * a * b * color space of the fifteen kinds of modified Munsell color charts when the illumination by the target light is mathematically assumed is θ n (degree) (where n is 1 to 15) Natural number)
Hue in the CIE 1976 L * a * b * color space of the 15 types of modified Munsell color chart when mathematically assuming illumination with a reference light selected according to the correlated color temperature T of the target light When the angle is θ nref (degree) (where n is a natural number from 1 to 15), the absolute value of the hue angle difference | Δh n |
0.00 degrees ≦ | Δh n | ≦ 12.50 degrees (n is a natural number from 1 to 15)
It is.
However, the Δh n = θ n -θ nref.
少なくとも、発光要素として、 At least as a light emitting element
青色半導体発光素子、 Blue semiconductor light emitting device,
緑色蛍光体、および、 Green phosphor, and
赤色蛍光体を有し、 Having a red phosphor,
波長をλ(nm)とし、 Let the wavelength be λ (nm),
当該発光要素から主たる放射方向に出射される光の分光分布をΦ The spectral distribution of the light emitted from the light emitting element in the main radiation direction is Φ elmelm (λ)、当該発光装置から主たる放射方向に出射される光の分光分布をφ(Λ), the spectral distribution of light emitted from the light emitting device in the main radiation direction is φ SSLSSL (λ)とし、(Λ)
Φ Φ elmelm (λ)を有する光は下記条件I〜条件IVのすべてを満たし、φThe light having (λ) satisfies all of the following conditions I to IV, φ SSLSSL (λ)を有する光も下記条件I〜条件IVのすべてを満たすことを特徴とする発光装置。A light emitting device characterized in that light having (λ) also satisfies all of the following conditions I to IV.
条件I:Condition I:
対象となる光による照明を数学的に仮定した場合の#01から#15の下記15種類の修正マンセル色票のCIE 1976 L CIE 1976 L of the following 15 types of modified Munsell color charts from # 01 to # 15 when the illumination by the target light is mathematically assumed ** aa ** bb ** 色空間におけるaA in color space ** 値、bValue, b ** 値をそれぞれaEach value is a ** nn 、b, B ** nn (ただしnは1から15の自然数)とし、(Where n is a natural number from 1 to 15)
対象となる光の相関色温度T(K)に応じて選択される基準の光での照明を数学的に仮定した場合の前記15種類の修正マンセル色票のCIE 1976 L CIE 1976 L of the 15 types of modified Munsell color charts when the illumination with the reference light selected according to the correlated color temperature T (K) of the target light is mathematically assumed. ** aa ** bb ** 色空間におけるaA in color space ** 値、bValue, b ** 値をそれぞれaEach value is a ** nrefnref 、b, B ** nrefnref (ただしnは1から15の自然数)とした場合に、飽和度差ΔC(Where n is a natural number from 1 to 15), the saturation difference ΔC nn が、But,
−4.00 ≦ ΔC -4.00 ≦ ΔC n n ≦ 8.00 (nは1から15の自然数)≦ 8.00 (n is a natural number from 1 to 15)
である。It is.
条件II:Condition II:
下記式(3)で表される対象となる光における飽和度差の平均が、 The average saturation difference in the target light represented by the following formula (3) is
条件III:Condition III:
対象となる光における飽和度差の最大値をΔC ΔC is the maximum value of the saturation difference in the target light. maxmax 、対象となる光における飽和度差の最小値をΔC, The minimum value of the saturation difference in the target light is ΔC minmin とした場合に、前記飽和度差の最大値と、前記飽和度差の最小値との間の差|ΔCThe difference between the maximum value of the saturation difference and the minimum value of the saturation difference | ΔC maxmax −ΔC-ΔC minmin |が、|
2.00 ≦ |ΔC 2.00 ≦ | ΔC maxmax −ΔC-ΔC minmin | ≦ 10.00| ≦ 10.00
である。It is.
ただし、ΔC However, ΔC nn =√{(a= √ {(a ** nn )) 22 +(b+ (B ** nn )) 22 }−√{(a} -√ {(a ** nrefnref )) 22 +(b+ (B ** nrefnref )) 22 }とする。}.
15種類の修正マンセル色票 15 kinds of modified Munsell color chart
#01 7.5 P 4 /10 # 01 7.5 P 4/10
#02 10 PB 4 /10 # 02 10 PB 4/10
#03 5 PB 4 /12 # 03 5 PB 4/12
#04 7.5 B 5 /10 # 04 7.5 B 5/10
#05 10 BG 6 / 8 # 05 10 BG 6/8
#06 2.5 BG 6 /10 # 06 2.5 BG 6/10
#07 2.5 G 6 /12 # 07 2.5 G 6/12
#08 7.5 GY 7 /10 # 08 7.5 GY 7/10
#09 2.5 GY 8 /10 # 09 2.5 GY 8/10
#10 5 Y 8.5/12 # 10 5 Y 8.5 / 12
#11 10 YR 7 /12 # 11 10 YR 7/12
#12 5 YR 7 /12 # 12 5 YR 7/12
#13 10 R 6 /12 # 13 10 R 6/12
#14 5 R 4 /14 # 14 5 R 4/14
#15 7.5 RP 4 /12 # 15 7.5 RP 4/12
条件IV:Condition IV:
対象となる光による照明を数学的に仮定した場合の前記15種類の修正マンセル色票のCIE 1976 L CIE 1976 L of the 15 kinds of modified Munsell color charts when mathematically assuming illumination by the target light ** aa ** bb ** 色空間における色相角をθThe hue angle in the color space is θ nn (度)(ただしnは1から15の自然数)とし、(Degree) (where n is a natural number from 1 to 15)
対象となる光の相関色温度Tに応じて選択される基準の光での照明を数学的に仮定した場合の前記15種類の修正マンセル色票のCIE 1976 L CIE 1976 L of the 15 types of modified Munsell color charts when mathematically assuming illumination with reference light selected according to the correlated color temperature T of the target light ** aa ** bb ** 色空間における色相角をθThe hue angle in the color space is θ nrefnref (度)(ただしnは1から15の自然数)とした場合に、色相角差の絶対値|Δh(Degree) (where n is a natural number from 1 to 15), the absolute value of the hue angle difference | Δh nn |が、|
0.00 度 ≦ |Δh 0.00 degrees ≦ | Δh nn | ≦ 12.50 度 (nは1から15の自然数)| ≦ 12.50 degrees (n is a natural number from 1 to 15)
である。It is.
ただし、Δh However, Δh nn =θ= Θ nn −θ−θ nrefnref とする。And
前記Φ Φ elmelm (λ)を有する光は下記条件1を満たさず、前記φThe light having (λ) does not satisfy the following condition 1, and the φ SSLSSL (λ)を有する光は下記条件1を満たすことを特徴とする発光装置。The light having (λ) satisfies the following condition 1.
条件1:Condition 1:
対象となる光の分光分布をφ(λ)、対象となる光の相関色温度Tに応じて選択される基準の光の分光分布をφ The spectral distribution of the target light is φ (λ), the spectral distribution of the reference light selected according to the correlated color temperature T of the target light is φ refref (λ)、(Λ),
対象となる光の三刺激値を(X、Y、Z)、 The tristimulus values of the target light are (X, Y, Z),
前記相関色温度Tに応じて選択される基準の光の三刺激値を(X A reference light tristimulus value selected according to the correlated color temperature T is expressed as (X refref 、Y, Y refref 、Z, Z refref )とし、)age,
対象となる光の規格化分光分布S(λ)と、対象となる光の基準の光の規格化分光分布S The normalized spectral distribution S (λ) of the target light and the standardized spectral distribution S of the reference light of the target light refref (λ)と、これら規格化分光分布の差ΔS(λ)をそれぞれ、(Λ) and the difference ΔS (λ) between these normalized spectral distributions,
S(λ)=φ(λ)/Y S (λ) = φ (λ) / Y
S S refref (λ)=φ(Λ) = φ refref (λ)/Y(Λ) / Y refref
ΔS(λ)=S ΔS (λ) = S refref (λ)−S(λ)(Λ) −S (λ)
と定義し、And define
波長380nm以上780nm以下の範囲で、前記S(λ)の最長波長極大値を与える波長をλ The wavelength that gives the longest wavelength maximum value of S (λ) in the wavelength range of 380 nm to 780 nm is λ. RL−maxRL-max (nm)とした際に、前記λ(Nm), the λ RL−maxRL-max よりも長波長側にS(λLonger than S (λ RL−maxRL-max )/2となる波長Λ4が存在する場合においては、) / 2, where there is a wavelength Λ4,
下記数式(1)で表される指標A Index A represented by the following formula (1) cgcg が、But,
−10.0 < A -10.0 <A cgcg ≦ 120.0 ≦ 120.0
であり、And
一方、波長380nm以上780nm以下の範囲で、前記S(λ)の最長波長極大値を与える波長をλ On the other hand, the wavelength giving the longest wavelength maximum value of S (λ) in the wavelength range of 380 nm to 780 nm is λ. RL−maxRL-max (nm)とした際に、前記λ(Nm), the λ RL−maxRL-max よりも長波長側にS(λLonger than S (λ RL−maxRL-max )/2となる波長Λ4が存在しない場合においては、) / 2, where there is no wavelength Λ4,
下記数式(2)で表される指標A Index A represented by the following formula (2) cgcg が、But,
−10.0 < A -10.0 <A cgcg ≦ 120.0 ≦ 120.0
である。It is.
前記Φ Φ elmelm (λ)を有する光は下記条件1を満たし、前記φThe light having (λ) satisfies the following condition 1 and the φ SSLSSL (λ)を有する光も下記条件1を満たすことを特徴とする発光装置。A light-emitting device in which light having (λ) also satisfies the following condition 1.
条件1:Condition 1:
対象となる光の分光分布をφ(λ)、対象となる光の相関色温度Tに応じて選択される基準の光の分光分布をφ The spectral distribution of the target light is φ (λ), the spectral distribution of the reference light selected according to the correlated color temperature T of the target light is φ refref (λ)、(Λ),
対象となる光の三刺激値を(X、Y、Z)、 The tristimulus values of the target light are (X, Y, Z),
前記相関色温度Tに応じて選択される基準の光の三刺激値を(X A reference light tristimulus value selected according to the correlated color temperature T is expressed as (X refref 、Y, Y refref 、Z, Z refref )とし、)age,
対象となる光の規格化分光分布S(λ)と、対象となる光の基準の光の規格化分光分布S The normalized spectral distribution S (λ) of the target light and the standardized spectral distribution S of the reference light of the target light refref (λ)と、これら規格化分光分布の差ΔS(λ)をそれぞれ、(Λ) and the difference ΔS (λ) between these normalized spectral distributions,
S(λ)=φ(λ)/Y S (λ) = φ (λ) / Y
S S refref (λ)=φ(Λ) = φ refref (λ)/Y(Λ) / Y refref
ΔS(λ)=S ΔS (λ) = S refref (λ)−S(λ)(Λ) −S (λ)
と定義し、And define
波長380nm以上780nm以下の範囲で、前記S(λ)の最長波長極大値を与える波長をλ The wavelength that gives the longest wavelength maximum value of S (λ) in the wavelength range of 380 nm to 780 nm is λ. RL−maxRL-max (nm)とした際に、前記λ(Nm), the λ RL−maxRL-max よりも長波長側にS(λLonger than S (λ RL−maxRL-max )/2となる波長Λ4が存在する場合においては、) / 2, where there is a wavelength Λ4,
下記数式(1)で表される指標A Index A represented by the following formula (1) cgcg が、But,
−10.0 < A -10.0 <A cgcg ≦ 120.0 ≦ 120.0
であり、And
一方、波長380nm以上780nm以下の範囲で、前記S(λ)の最長波長極大値を与える波長をλ On the other hand, the wavelength giving the longest wavelength maximum value of S (λ) in the wavelength range of 380 nm to 780 nm is λ. RL−maxRL-max (nm)とした際に、前記λ(Nm), the λ RL−maxRL-max よりも長波長側にS(λLonger than S (λ RL−maxRL-max )/2となる波長Λ4が存在しない場合においては、) / 2, where there is no wavelength Λ4,
下記数式(2)で表される指標A Index A represented by the following formula (2) cgcg が、But,
−10.0 < A -10.0 <A cgcg ≦ 120.0 ≦ 120.0
である。It is.
前記Φ Φ elmelm (λ)を有する光は下記条件2を満たさず、前記φThe light having (λ) does not satisfy the following condition 2; SSLSSL (λ)を有する光は下記条件2を満たすことを特徴とする発光装置。A light emitting device characterized in that light having (λ) satisfies the following condition 2.
条件2:Condition 2:
対象となる光の分光分布φ(λ)は、ANSI C78.377で定義される黒体放射軌跡からの距離D The spectral distribution φ (λ) of the target light is the distance D from the black body radiation locus defined by ANSI C78.377. uvuv が、But,
−0.0220 ≦ D −0.0220 ≦ D uvuv < 0 <0
である。It is.
前記Φ Φ elmelm (λ)を有する光は下記条件2を満たし、前記φThe light having (λ) satisfies the following condition 2 and the φ SSLSSL (λ)を有する光も下記条件2を満たすことを特徴とする発光装置。A light-emitting device in which light having (λ) also satisfies the following condition 2.
条件2:Condition 2:
対象となる光の分光分布φ(λ)は、ANSI C78.377で定義される黒体放射軌跡からの距離D The spectral distribution φ (λ) of the target light is the distance D from the black body radiation locus defined by ANSI C78.377. uvuv が、But,
−0.0220 ≦ D −0.0220 ≦ D uvuv < 0 <0
である。It is.
前記Φ Φ elmelm (λ)を有する光は下記条件3を満たさず、前記φThe light having (λ) does not satisfy the following condition 3; SSLSSL (λ)を有する光は下記条件3を満たすことを特徴とする発光装置。The light having (λ) satisfies the following condition 3.
条件3:Condition 3:
対象となる光の分光分布φ(λ)は、430nm以上495nm以下の範囲における分光強度の最大値をφ The spectral distribution φ (λ) of the target light is the maximum value of the spectral intensity in the range from 430 nm to 495 nm. BM−maxBM-max 、465nm以上525nm以下の範囲における分光強度の最小値をφThe minimum value of the spectral intensity in the range of 465 nm to 525 nm is φ BG−minBG-min と定義した際に、When defined as
0.2250 ≦ φ 0.2250 ≦ φ BG−minBG-min /φ/ Φ BM−maxBM-max ≦ 0.7000 ≦ 0.7000
である。It is.
前記Φ Φ elmelm (λ)を有する光は下記条件3を満たし、前記φThe light having (λ) satisfies the following condition 3 and the φ SSLSSL (λ)を有する光も下記条件3を満たすことを特徴とする発光装置。A light-emitting device in which light having (λ) also satisfies the following condition 3.
条件3:Condition 3:
対象となる光の分光分布φ(λ)は、430nm以上495nm以下の範囲における分光強度の最大値をφ The spectral distribution φ (λ) of the target light is the maximum value of the spectral intensity in the range from 430 nm to 495 nm. BM−maxBM-max 、465nm以上525nm以下の範囲における分光強度の最小値をφThe minimum value of the spectral intensity in the range of 465 nm to 525 nm is φ BG−minBG-min と定義した際に、When defined as
0.2250 ≦ φ 0.2250 ≦ φ BG−minBG-min /φ/ Φ BM−maxBM-max ≦ 0.7000 ≦ 0.7000
である。It is.
前記Φ Φ elmelm (λ)を有する光は下記条件4を満たさず、前記φThe light having (λ) does not satisfy the following condition 4; SSLSSL (λ)を有する光は下記条件4を満たすことを特徴とする発光装置。The light having (λ) satisfies the following condition 4.
条件4:Condition 4:
対象となる光の分光分布φ(λ)は、590nm以上780nm以下の範囲における分光強度の最大値をφ The spectral distribution φ (λ) of the target light is the maximum value of the spectral intensity in the range from 590 nm to 780 nm. RM−maxRM-max と定義した際に、前記φWhen defined as RM−maxRM-max を与える波長λGives wavelength λ RM−maxRM-max が、But,
605(nm) ≦ λ 605 (nm) ≦ λ RM−maxRM-max ≦ 653(nm) ≦ 653 (nm)
である。It is.
前記Φ Φ elmelm (λ)を有する光は下記条件4を満たし、前記φThe light having (λ) satisfies the following condition 4 and the φ SSLSSL (λ)を有する光Light with (λ)
も下記条件4を満たすことを特徴とする発光装置。Also satisfies the following condition 4.
条件4:Condition 4:
対象となる光の分光分布φ(λ)は、590nm以上780nm以下の範囲における分光強度の最大値をφ The spectral distribution φ (λ) of the target light is the maximum value of the spectral intensity in the range from 590 nm to 780 nm. RM−maxRM-max と定義した際に、前記φWhen defined as RM−maxRM-max を与える波長λGives wavelength λ RM−maxRM-max が、But,
605(nm) ≦ λ 605 (nm) ≦ λ RM−maxRM-max ≦ 653(nm) ≦ 653 (nm)
である。It is.
当該発光要素から主たる放射方向に出射される光の分光分布から導出される前記飽和度差の平均をSAT The average of the saturation differences derived from the spectral distribution of the light emitted from the light emitting element in the main radiation direction is represented by SAT. aveave (Φ(Φ elmelm )、),
当該発光装置から主たる放射方向に出射される光の分光分布から導出される前記飽和度差の平均をSAT The average of the saturation differences derived from the spectral distribution of the light emitted from the light emitting device in the main radiation direction is represented by SAT. aveave (φ(Φ SSLSSL )と定義した場合に、)
SAT SAT aveave (Φ(Φ elmelm )<SAT) <SAT aveave (φ(Φ SSLSSL ))
を満たすことを特徴とする発光装置。A light emitting device characterized by satisfying the above.
当該発光要素から主たる放射方向に出射される光の分光分布から導出されるA A derived from the spectral distribution of light emitted from the light emitting element in the main radiation direction cgcg をAA cgcg (Φ(Φ elmelm )、),
当該発光装置から主たる放射方向に出射される光の分光分布から導出されるA A derived from the spectral distribution of light emitted from the light emitting device in the main radiation direction cgcg をAA cgcg (φ(Φ SSLSSL )と定義した場合に、)
A A cgcg (φ(Φ SSLSSL )<A) <A cgcg (Φ(Φ elmelm ))
を満たすことを特徴とする発光装置。A light emitting device characterized by satisfying the above.
当該発光要素から主たる放射方向に出射される光の分光分布から導出されるD D derived from the spectral distribution of light emitted from the light emitting element in the main radiation direction uvuv をDD uvuv (Φ(Φ elmelm )、),
当該発光装置から主たる放射方向に出射される光の分光分布から導出されるD D derived from the spectral distribution of light emitted from the light emitting device in the main radiation direction uvuv をDD uvuv (φ(Φ SSLSSL )と定義した場合に、)
D D uvuv (φ(Φ SSLSSL )<D) <D uvuv (Φ(Φ elmelm ))
を満たすことを特徴とする発光装置。A light emitting device characterized by satisfying the above.
当該制御要素は380nm≦λ(nm)≦780nmの光を吸収または反射する光学フィルターであることを特徴とする発光装置。 The light-emitting device is characterized in that the control element is an optical filter that absorbs or reflects light of 380 nm ≦ λ (nm) ≦ 780 nm.
当該制御要素が発光要素から出射される光の集光および/または拡散機能を兼ね備えていることを特徴とする発光装置。 A light emitting device characterized in that the control element has a function of condensing and / or diffusing light emitted from the light emitting element.
当該制御要素の集光および/または拡散機能が凹レンズ、凸レンズ、フレネルレンズの少なくとも1つの機能によって実現することを特徴とする発光装置。 A light-emitting device characterized in that the condensing and / or diffusing function of the control element is realized by at least one function of a concave lens, a convex lens, and a Fresnel lens.
前記発光装置から当該放射方向に出射される光が対象物を照明する照度が5lx以上10000lx以下であることを特徴とする発光装置。 An illuminance for illuminating an object with light emitted in the radiation direction from the light emitting device is 5 lx or more and 10,000 lx or less.
Φ Φ elmelm (λ)を有する光は下記条件5を満たさず、φThe light having (λ) does not satisfy the following condition 5; SSLSSL (λ)を有する光は下記Light with (λ) is
条件5を満たすことを特徴とする発光装置。A light emitting device satisfying condition 5.
条件5:Condition 5:
対象となる光の分光分布φ(λ)において、前記φ In the spectral distribution φ (λ) of the target light, the φ BM−maxBM-max を与える波長λGives wavelength λ BM−maxBM-max が、But,
430(nm) ≦ λ 430 (nm) ≦ λ BM−maxBM-max ≦ 480(nm) ≤ 480 (nm)
である。It is.
Φ Φ elmelm (λ)を有する光は下記条件6を満たさず、φThe light having (λ) does not satisfy the following condition 6; SSLSSL (λ)を有する光は下記条件6を満たすことを特徴とする発光装置。A light emitting device characterized in that light having (λ) satisfies the following condition 6.
条件6:Condition 6:
対象となる光の分光分布φ(λ)は The spectral distribution φ (λ) of the target light is
0.1800 ≦ φ 0.1800 ≤ φ BG−minBG-min /φ/ Φ RM−maxRM-max ≦ 0.8500 ≦ 0.8500
である。It is.
Φ Φ elmelm (λ)を有する光は下記条件7を満たさず、φThe light having (λ) does not satisfy the following condition 7, and φ SSLSSL (λ)を有する光は下記条件7を満たすことを特徴とする発光装置。The light having (λ) satisfies the following condition 7.
条件7:Condition 7:
対象となる光の分光分布φ(λ)から導出される波長380nm以上780nm以下の範囲の放射効率K(lm/W)が The radiation efficiency K (lm / W) in the wavelength range of 380 nm to 780 nm derived from the spectral distribution φ (λ) of the target light.
210.0 lm/W ≦ K ≦ 290.0 lm/W 210.0 lm / W ≤ K ≤ 290.0 lm / W
である。It is.
Φ Φ elmelm (λ)を有する光は下記条件8を満たさず、φThe light having (λ) does not satisfy the following condition 8; SSLSSL (λ)を有する光は下記条件8を満たすことを特徴とする発光装置。A light emitting device characterized in that light having (λ) satisfies the following condition 8.
条件8:Condition 8:
対象となる光の相関色温度T(K)が The correlated color temperature T (K) of the target light is
2600 K ≦ T ≦ 7700 K 2600 K ≤ T ≤ 7700 K
である。It is.
Φ Φ elmelm (λ)を有する光は下記条件6〜条件8の少なくとも1つを満たし、φThe light having (λ) satisfies at least one of the following conditions 6 to 8, and φ SSLSSL (λ)を有する光は下記条件6〜条件8のうち前記ΦThe light having (λ) is Φ among the following conditions 6 to 8 elmelm (λ)を有する光が満たさない条件があれば、そのうち少なくとも1つを満たすことを特徴とする発光装置。If there is a condition that light having (λ) does not satisfy, at least one of them is satisfied.
条件6:Condition 6:
対象となる光の分光分布φ(λ)は The spectral distribution φ (λ) of the target light is
0.1800 ≦ φ 0.1800 ≤ φ BG−minBG-min /φ/ Φ RM−maxRM-max ≦ 0.8500 ≦ 0.8500
である。It is.
条件7:Condition 7:
対象となる光の分光分布φ(λ)から導出される波長380nm以上780nm以下の範囲の放射効率K(lm/W)が The radiation efficiency K (lm / W) in the wavelength range of 380 nm to 780 nm derived from the spectral distribution φ (λ) of the target light.
210.0 lm/W ≦ K ≦ 290.0 lm/W 210.0 lm / W ≤ K ≤ 290.0 lm / W
である。It is.
条件8:Condition 8:
対象となる光の相関色温度T(K)が The correlated color temperature T (K) of the target light is
2600 K ≦ T ≦ 7700 K 2600 K ≤ T ≤ 7700 K
である。It is.
Φ Φ elmelm (λ)を有する光は下記条件5、条件7、及び条件8の少なくとも1つを満たし、φThe light having (λ) satisfies at least one of the following condition 5, condition 7, and condition 8, and φ SSLSSL (λ)を有する光は下記条件5、条件7、及び条件8のうち前記ΦThe light having (λ) is the Φ among the following conditions 5, 7 and 8 elmelm (λ)を有する光が満たさない条件があれば、そのうち少なくとも1つを満たすことを特徴とする発光装置。If there is a condition that light having (λ) does not satisfy, at least one of them is satisfied.
条件5:Condition 5:
対象となる光の分光分布φ(λ)において、前記φ In the spectral distribution φ (λ) of the target light, the φ BM−maxBM-max を与える波長λGives wavelength λ BM−maxBM-max が、But,
430(nm) ≦ λ 430 (nm) ≦ λ BM−maxBM-max ≦ 480(nm) ≤ 480 (nm)
である。It is.
条件7:Condition 7:
対象となる光の分光分布φ(λ)から導出される波長380nm以上780nm以下の範囲の放射効率K(lm/W)が The radiation efficiency K (lm / W) in the wavelength range of 380 nm to 780 nm derived from the spectral distribution φ (λ) of the target light.
210.0 lm/W ≦ K ≦ 290.0 lm/W 210.0 lm / W ≤ K ≤ 290.0 lm / W
である。It is.
条件8:Condition 8:
対象となる光の相関色温度T(K)が The correlated color temperature T (K) of the target light is
2600 K ≦ T ≦ 7700 K 2600 K ≤ T ≤ 7700 K
である。It is.
Φ Φ elmelm (λ)を有する光は下記条件5、条件6、及び条件8の少なくとも1つを満たし、φThe light having (λ) satisfies at least one of the following condition 5, condition 6, and condition 8, and φ SSLSSL (λ)を有する光は下記条件5、条件6、及び条件8のうち前記ΦThe light having (λ) is the Φ among the following conditions 5, 6 and 8 elmelm (λ)を有する光が満たさない条件があれば、そのうち少なくとも1つを満たすことを特徴とする発光装置。If there is a condition that light having (λ) does not satisfy, at least one of them is satisfied.
条件5:Condition 5:
対象となる光の分光分布φ(λ)において、前記φ In the spectral distribution φ (λ) of the target light, the φ BM−maxBM-max を与える波長λGives wavelength λ BM−maxBM-max が、But,
430(nm) ≦ λ 430 (nm) ≦ λ BM−maxBM-max ≦ 480(nm) ≤ 480 (nm)
である。It is.
条件6:Condition 6:
対象となる光の分光分布φ(λ)は The spectral distribution φ (λ) of the target light is
0.1800 ≦ φ 0.1800 ≤ φ BG−minBG-min /φ/ Φ RM−maxRM-max ≦ 0.8500 ≦ 0.8500
である。It is.
条件8:Condition 8:
対象となる光の相関色温度T(K)が The correlated color temperature T (K) of the target light is
2600 K ≦ T ≦ 7700 K 2600 K ≤ T ≤ 7700 K
である。It is.
Φ Φ elmelm (λ)を有する光は下記条件5〜条件7の少なくとも1つを満たし、φThe light having (λ) satisfies at least one of the following conditions 5 to 7, and φ SSLSSL (λ)を有する光は下記条件5〜条件7のうち前記ΦThe light having (λ) is Φ among the following conditions 5 to 7 elmelm (λ)を有する光が満たさない条件があれば、そのうち少なくとも1つを満たすことを特徴とする発光装置。If there is a condition that light having (λ) does not satisfy, at least one of them is satisfied.
条件5:Condition 5:
対象となる光の分光分布φ(λ)において、前記φ In the spectral distribution φ (λ) of the target light, the φ BM−maxBM-max を与える波長λGives wavelength λ BM−maxBM-max が、But,
430(nm) ≦ λ 430 (nm) ≦ λ BM−maxBM-max ≦ 480(nm) ≤ 480 (nm)
である。It is.
条件6:Condition 6:
対象となる光の分光分布φ(λ)は The spectral distribution φ (λ) of the target light is
0.1800 ≦ φ 0.1800 ≤ φ BG−minBG-min /φ/ Φ RM−maxRM-max ≦ 0.8500 ≦ 0.8500
である。It is.
条件7:Condition 7:
対象となる光の分光分布φ(λ)から導出される波長380nm以上780nm以下の範囲の放射効率K(lm/W)が The radiation efficiency K (lm / W) in the wavelength range of 380 nm to 780 nm derived from the spectral distribution φ (λ) of the target light.
210.0 lm/W ≦ K ≦ 290.0 lm/W 210.0 lm / W ≤ K ≤ 290.0 lm / W
である。It is.
Φ Φ elmelm (λ)を有する光は下記条件5〜条件8の全てを満たし、かつ、φThe light having (λ) satisfies all of the following conditions 5 to 8, and φ SSLSSL (λ)を有する光も下記条件5〜条件8の全てを満たすことを特徴とする発光装置。A light-emitting device characterized in that light having (λ) also satisfies all of the following conditions 5 to 8.
条件5:Condition 5:
対象となる光の分光分布φ(λ)において、前記φ In the spectral distribution φ (λ) of the target light, the φ BM−maxBM-max を与える波長λGives wavelength λ BM−maxBM-max が、But,
430(nm) ≦ λ 430 (nm) ≦ λ BM−maxBM-max ≦ 480(nm) ≤ 480 (nm)
である。It is.
条件6:Condition 6:
対象となる光の分光分布φ(λ)は The spectral distribution φ (λ) of the target light is
0.1800 ≦ φ 0.1800 ≤ φ BG−minBG-min /φ/ Φ RM−maxRM-max ≦ 0.8500 ≦ 0.8500
である。It is.
条件7:Condition 7:
対象となる光の分光分布φ(λ)から導出される波長380nm以上780nm以下の範囲の放射効率K(lm/W)が The radiation efficiency K (lm / W) in the wavelength range of 380 nm to 780 nm derived from the spectral distribution φ (λ) of the target light.
210.0 lm/W ≦ K ≦ 290.0 lm/W 210.0 lm / W ≤ K ≤ 290.0 lm / W
である。It is.
条件8:Condition 8:
対象となる光の相関色温度T(K)が The correlated color temperature T (K) of the target light is
2600 K ≦ T ≦ 7700 K 2600 K ≤ T ≤ 7700 K
である。It is.
前記φ Φ SSLSSL (λ)を有する光は380nm以上405nm以下の範囲において前記発光要素由来の実効強度を有さないことを特徴とする発光装置。The light having (λ) does not have an effective intensity derived from the light emitting element in a range of 380 nm to 405 nm.
前記青色半導体発光素子は、前記青色半導体発光素子単体のパルス駆動時のドミナント波長λ The blue semiconductor light emitting device has a dominant wavelength λ during pulse driving of the blue semiconductor light emitting device alone. CHIP−BM−domCHIP-BM-dom が445nm以上475nm以下であることを特徴とする発光装置。Is a light-emitting device having a wavelength of 445 nm to 475 nm.
前記緑色蛍光体は広帯域緑色蛍光体であることを特徴とする発光装置。 The light emitting device according to claim 1, wherein the green phosphor is a broadband green phosphor.
前記緑色蛍光体は、前記緑色蛍光体単体の光励起時の発光強度最大値を与える波長λ The green phosphor has a wavelength λ that gives a maximum value of emission intensity at the time of light excitation of the green phosphor alone. PHOS−GM−maxPHOS-GM-max が511nm以上543nm以下であり、Is 511 nm or more and 543 nm or less,
その半値全幅W Its full width at half maximum W PHOS−GM−fwhmPHOS-GM-fwhm が90nm以上110nm以下であることを特徴とする発光装置。Is a light emitting device characterized by having a thickness of 90 nm to 110 nm.
前記発光装置は、実質的に黄色蛍光体を含まないことを特徴とする発光装置。 The light emitting device substantially does not contain a yellow phosphor.
前記赤色蛍光体は、前記赤色蛍光体単体の光励起時の発光強度最大値を与える波長λ The red phosphor has a wavelength λ that gives a maximum value of emission intensity at the time of photoexcitation of the single red phosphor. PHOS−RM−maxPHOS-RM-max が622nm以上663nm以下であり、Is 622 nm or more and 663 nm or less,
その半値全幅W Its full width at half maximum W PHOS−RM−fwhmPHOS-RM-fwhm が80nm以上105nm以下であることを特徴とする発光装置。Is a light emitting device characterized by having a thickness of 80 nm to 105 nm.
前記青色半導体発光素子は、AlInGaN系発光素子であることを特徴とする発光装置。 The blue semiconductor light-emitting element is an AlInGaN-based light-emitting element.
前記緑色蛍光体は、Ca The green phosphor is Ca 33 (Sc,Mg)(Sc, Mg) 22 SiSi 33 OO 1212 :Ce(CSMS蛍光体)、CaSc: Ce (CSMS phosphor), CaSc 22 OO 44 :Ce(CSO蛍光体)、Lu: Ce (CSO phosphor), Lu 33 AlAl 55 OO 1212 :Ce(LuAG蛍光体)、またはY: Ce (LuAG phosphor) or Y 33 (Al,Ga)(Al, Ga) 55 OO 1212 :Ce(G−YAG蛍光体)であることを特徴とする発光装置。: Ce (G-YAG phosphor).
前記赤色蛍光体は(Sr,Ca)AlSiN The red phosphor is (Sr, Ca) AlSiN 33 :Eu(SCASN蛍光体)、CaAlSi(ON): Eu (SCASN phosphor), CaAlSi (ON) 33 :Eu(CASON蛍光体)、またはCaAlSiN: Eu (CaSON phosphor) or CaAlSiN 33 :Eu(CASN蛍光体)を含むことを特徴とする発光装置。: A light-emitting device containing Eu (CASN phosphor).
前記青色半導体発光素子は、前記青色半導体発光素子単体のパルス駆動時のドミナント波長λ The blue semiconductor light emitting device has a dominant wavelength λ during pulse driving of the blue semiconductor light emitting device alone. CHIP−BM−domCHIP-BM-dom が452.5nm以上470nm以下であるAlInGaN系発光素子であり、Is an AlInGaN-based light emitting device having a wavelength of 452.5 nm or more and 470 nm or less,
前記緑色蛍光体は、前記緑色蛍光体単体の光励起時の発光強度最大値を与える波長λ The green phosphor has a wavelength λ that gives a maximum value of emission intensity at the time of light excitation of the green phosphor alone. PHOS−GM−maxPHOS-GM-max が515nm以上535nm以下で、その半値全幅WIs 515 nm or more and 535 nm or less, and its full width at half maximum W PHOS−GM−fwhmPHOS-GM-fwhm が90nm以上110nm以下であることを特徴とするCaScCaSc characterized in that is 90 nm or more and 110 nm or less 22 OO 44 :Ce(CSO蛍光体)またはLu: Ce (CSO phosphor) or Lu 33 AlAl 55 OO 1212 :Ce(LuAG蛍光体)であり、: Ce (LuAG phosphor),
前記赤色蛍光体は、前記赤色蛍光体単体の光励起時の発光強度最大値λ The red phosphor has a maximum emission intensity λ at the time of photoexcitation of the single red phosphor. PHOS−RM−maxPHOS-RM-max を与える波長が640nm以上663nm以下で、その半値全幅WIs 640 nm to 663 nm, and the full width at half maximum W PHOS−RM−fwhmPHOS-RM-fwhm が80nm以上105nm以下であることを特徴とするCaAlSi(ON)CaAlSi (ON) characterized by having a thickness of 80 nm to 105 nm 33 :Eu(CASON蛍光体)またはCaAlSiN: Eu (CASON phosphor) or CaAlSiN 33 :Eu(CASN蛍光体)である: Eu (CASN phosphor)
ことを特徴とする発光装置。A light emitting device characterized by that.
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