摘要:
Disclosed is a light-emitting diode, which has a red and infrared emitting wavelength, excellent monochromatism characteristics, and high output and high efficiency and excellent humidity resistance. The light-emitting diode is provided with: a light-emitting section, which includes an active layer having a quantum well structure and formed by laminating alternately a well layer which comprises a composition expressed by the composition formula of (AlX1Ga1-X1)As (0≦X1≦1) and a barrier layer which comprises a composition expressed by the composition formula of (AlX2Ga1-X2)As (0
摘要翻译:公开了一种发光二极管,其具有红色和红外发射波长,优异的单色特性,高输出和高效率以及优异的耐湿性。 发光二极管设置有:发光部,其包括具有量子阱结构的有源层,并且交替地层叠由包含由(AlX1Ga1-X1)As(式中, 0< X1≦̸ 1)和包含由组成式表示的组成式(Al x 2 Ga 1-x 2)As(0
摘要:
Disclosed is a light-emitting diode, which has a red and infrared emitting wavelength, excellent monochromatism characteristics, and high output and high efficiency and excellent humidity resistance. The light-emitting diode is provided with: a light-emitting section, which includes an active layer having a quantum well structure and formed by laminating alternately a well layer which comprises a composition expressed by the composition formula of (AlX1 Ga1-X1) As (0≦X1≦1) and a barrier layer which comprises a composition expressed by the composition formula of (AlX2 Ga1-X2) As (0
摘要翻译:公开了一种发光二极管,其具有红色和红外发射波长,优异的单色特性,高输出和高效率以及优异的耐湿性。 发光二极管设置有:发光部,其包括具有量子阱结构的有源层,并且交替地层叠由包含由(AlX 1 Ga 1-X1)As的组成式表示的组成的阱层 (0 @ X1 @ 1)和阻挡层,其包含由组成式表示的组成式(AlX 2 Ga 1 -X 2)As(0 <2),以及第一覆盖层和第二覆盖层,两者之间 其中所述有源层被夹持,其中所述第一覆盖层和所述第二覆盖层包含由组成式表示的组成式(AlX 3 Ga 1-x)Y1 In1-Y1 P(0≤X3≤1,0
摘要:
A light-emitting diode, including a light emitting section including an active layer having a quantum well structure in which well layers having the composition: (InX1Ga1-X1)As (0≦X1≦1) and barrier layers having the composition: (AlX2Ga1-X2)As (0≦X2≦1) are alternately laminated, first guide and second guide layers paired to sandwich the active layer and having the composition: (AlX3Ga1-X3)As (0≦X3≦1), and first cladding and second cladding layers paired to sandwich the active layer via the first guide layer and the second guide layer, respectively; a current diffusion layer formed on the light emitting section; and a functional substrate bonded to the current diffusion layer; wherein the first cladding layer and the second cladding layer have the composition: (AlX4Ga1-X4)YIn1-YP (0≦X4≦1, 0
摘要翻译:一种发光二极管,包括具有量子阱结构的有源层的发光部分,其中具有组成为(InX1Ga1-X1)As(0&n1E; X1&n1E; 1)的阱层和具有组成为(AlX 2 Ga 1 -X2)As(0&nlE; X2&nlE; 1)交替层叠,第一引导层和第二引导层成对夹持有源层,并具有以下成分:(AlX 3 Ga 1-x 3)As(0&lt; N 1; X 3& 配对的第二包层分别经由第一引导层和第二引导层夹持有源层; 形成在发光部上的电流扩散层; 以及键合到所述电流扩散层的功能性基板; 其特征在于,所述第一包层和所述第二包层的组成如下:(AlX 4 Ga 1-X 4)Y In 1-Y P(0&nl E; X 4&lt; 1; 0
摘要:
A light-emitting diode, including a light emitting section including an active layer having a quantum well structure in which well layers having the composition: (InX1Ga1-X1)As (0≦X1≦1) and barrier layers having the composition: (AlX2Ga1-X2)As (0≦X2≦1) are alternately laminated, first guide and second guide layers paired to sandwich the active layer and having the composition: (AlX3Ga1-X3)As (0≦X3≦1), and first cladding and second cladding layers paired to sandwich the active layer via the first guide layer and the second guide layer, respectively; a current diffusion layer formed on the light emitting section; and a functional substrate bonded to the current diffusion layer; wherein the first cladding layer and the second cladding layer have the composition: (AlX4Ga1-X4)YIn1-YP (0≦X4≦1, 0
摘要翻译:一种发光二极管,包括具有量子阱结构的有源层的发光部分,其中具有组成为(InX1Ga1-X1)As(0&n1E; X1&n1E; 1)的阱层和具有组成为(AlX 2 Ga 1 -X2)As(0&nlE; X2&nlE; 1)交替层叠,第一引导层和第二引导层成对夹持有源层,并具有以下成分:(AlX 3 Ga 1-x 3)As(0&lt; N 1; X 3& 配对的第二包层分别经由第一引导层和第二引导层夹持有源层; 形成在发光部上的电流扩散层; 以及键合到所述电流扩散层的功能性基板; 其特征在于,所述第一包层和所述第二包层的组成如下:(AlX 4 Ga 1-X 4)Y In 1-Y P(0&nl E; X 4&lt; 1; 0
摘要:
A light emitting diode including a compound semiconductor layer having at least a pn junction-type light emitting unit and a strain adjustment layer stacked on the light emitting unit, wherein the light emitting unit has a stacked structure containing a strained light emitting layer having a composition formula of (AlXGa1-X)YIn1-YP (wherein X and Y are numerical values that satisfy 0≦X≦0.1 and 0.39≦Y≦0.45 respectively) and a barrier layer, and the strain adjustment layer is transparent to the emission wavelength and has a lattice constant that is smaller than the lattice constants of the strained light emitting layer and the barrier layer. The light emitting diode has an emission wavelength of not less than 655 nm, exhibits excellent monochromaticity, high output and/or high efficiency, and has a fast response speed.
摘要:
A light emitting diode including a compound semiconductor layer having at least a pn junction-type light emitting unit and a strain adjustment layer stacked on the light emitting unit, wherein the light emitting unit has a stacked structure containing a strained light emitting layer having a composition formula of (AlXGa1-X)YIn1-YP (wherein X and Y are numerical values that satisfy 0≦X≦0.1 and 0.39≦Y≦0.45 respectively) and a barrier layer, and the strain adjustment layer is transparent to the emission wavelength and has a lattice constant that is smaller than the lattice constants of the strained light emitting layer and the barrier layer. The light emitting diode has an emission wavelength of not less than 655 nm, exhibits excellent monochromaticity, high output and/or high efficiency, and has a fast response speed.
摘要:
An epitaxial wafer for a light emitting diode, including a GaAs substrate, a light emitting unit provided on the GaAs substrate, and a strain adjustment layer provided on the light emitting unit, wherein the light emitting unit has a strained light emitting layer having a composition formula of (AlXGa1-X)YIn1-YP (wherein X and Y are numerical values that satisfy 0≦X≦0.1 and 0.39≦Y≦0.45 respectively), and the strain adjustment layer is transparent to the emission wavelength and has a lattice constant that is smaller than the lattice constant of the GaAs substrate. The invention provides an epitaxial wafer that enables mass production of a high-output and/or high-efficiency LED having an emission wavelength of not less than 655 nm.
摘要翻译:一种用于发光二极管的外延晶片,包括GaAs衬底,设置在GaAs衬底上的发光单元和设置在发光单元上的应变调节层,其中发光单元具有具有组成的应变发光层 (AlXGa1-X)YIn1-YP(其中X和Y分别为满足0 @ X @ 0.1和0.39 @ Y @ 0.45的数值),并且应变调节层对于发射波长透明并且具有晶格常数 小于GaAs衬底的晶格常数。 本发明提供一种外延晶片,其能够批量生产具有不小于655nm的发射波长的高输出和/或高效率LED。
摘要:
A light emitting diode is provided by the present invention which includes a pn junction-type light emitting unit having a light emitting layer (10) composed of n layers of a strained light emitting layer (12) and n−1 layers of a barrier layer (13), wherein when a barrier layer exists, the light emitting layer (10) has a structure in which one strained light emitting layer (12) and one barrier layer (13) are laminated alternately, n represents an integer of 1 to 7, and the thickness of the light emitting layer (10) is not more than 250 nm.
摘要:
The present invention relates to an epitaxial wafer for a light-emitting diode wherein the peak emission wavelength is 655 nm or more, and it is possible to improve reliability. The epitaxial wafer for light-emitting diodes includes a GaAs substrate (1) and a pn-junction type light-emitting unit (2) provided on the GaAs substrate (1), wherein light-emitting unit (2) is formed as a multilayer structure in which a strained light-emitting layer and a barrier layer are alternately stacked, and the composition formula of the barrier layer is (AlXGa1-X)YIn1-YP (0.3≦X≦0.7, 0.51≦Y≦0.54).
摘要:
A light emitting diode is provided by the present invention which includes a pn junction-type light emitting unit having a light emitting layer (10) composed of n layers of a strained light emitting layer (12) and n−1 layers of a barrier layer (13), wherein when a barrier layer exists, the light emitting layer (10) has a structure in which one strained light emitting layer (12) and one barrier layer (13) are laminated alternately, n represents an integer of 1 to 7, and the thickness of the light emitting layer (10) is not more than 250 nm.