Abstract:
본 발명은 고효율 반도체 발광 소자에 관한 것으로, 본 발명에 따른 반도체 발광 소자는 하부전극, 발광층 및 상부전극을 포함하는 반도체 발광 소자에 있어서, 상기 발광층은 실리콘 나노 결정을 포함하고, 상기 발광층 상부에 서로 다른 밴드 갭을 갖는 박막을 교대로 성장시킨 다층 구조의 도핑층을 포함한다. 이와 같은 서로 다른 밴드갭을 갖는 박막을 교대로 성장시킨 다층 구조의 도핑층을 발광층 상부에 포함시킴에 따라서, 발광층으로의 캐리어 주입효율을 증가시켜 궁극적으로 발광 효율을 증가시킨다. 발광, 소자, 효율, 밴드갭
Abstract:
PURPOSE: A high efficiency semiconductor light emitting device and a photonic bio sensor are provide to improve luminous efficiency by forming a transparent doping layer with multilayer structure on the upper side of a light emitting layer. CONSTITUTION: A semiconductor light emitting device includes a bottom electrode, a light emitting layer, and a top electrode. The light emitting layer includes a silicon nano crystal. A doping layer(200) with multilayer structure is formed on the upper side of the light emitting layer by alternatively growing thin films with different band gaps A hole injection layer is formed between the bottom electrode and the light emitting layer. A transparent conductive electrode(130) is formed on an electron injection layer(120).
Abstract:
PURPOSE: An optical biosensor measurement apparatus with an auto-colimator is provided to improve measurement accuracy by accurately aligning the angle of an optical biosensor and incident light using an auto-colimator. CONSTITUTION: An optical biosensor measurement apparatus(20) with an auto-colimator comprises a light source(21), a beam splitter(22), a lens(23), an optical biosensor(24), an image surface(25), and tilt mounts(26,27,28). The light source emits light. The beam splitter reflects the emitted light. The lens focuses the reflected light and sends the light to the beam splitter. The light reflected from the beam splitter is sent to the optical biosensor. A phase is formed in the image surface by the focused light. The tilt mounts control the angle between the optical biosensor and incident light.
Abstract:
PURPOSE: An apparatus for detecting a bio material is provided to detect the presence and concentration of bio material regardless of light source and incident angle. CONSTITUTION: An apparatus for detecting bio material comprises: a bio material reactor(100) containing bio-sensing material fixed on gold nanoparticles; a light source unit(200) for irradiating light to the reactor; and a detector(300) for sensing surface absorbance of the gold nanoparticles. The light source unit comprises a substrate(110) and reaction container(120).
Abstract:
PURPOSE: An apparatus which measures portable biophotonic sensor is provided to detect peak wave length in the sensor and accurately measure the concentration of antigen. CONSTITUTION: A portable biophotonic sensor comprises: a light emission unit(100) which releases light having a first line width; a biophotonic sensor(110) which an output light(P_0) is provided; a peak wave length detector(120) which detects a peak wave length having a second line width; and a light filter(140) which is arranged between biophotonic sensor and peak wave length detector. The light filter is a band pass filter which passes pack wave length.
Abstract:
본 발명은 출력 광원의 파장을 변화시킬 수 있는 반도체 레이저 장치에 관한 것으로, 반도체 레이저 다이오드 및 상기 반도체 레이저 다이오드 주위에 배치된 한 개 또는 복수 개의 열원소자를 한 기판 위에 집적하고, 상기 열원소자를 이용해 상기 반도체 레이저 다이오드를 균일하게 가열하도록 구성함으로써 반도체 레이저 다이오드의 출력 파장을 용이하고 빠르게 변화시킬 수 있는 효과가 있다. 반도체 레이저 다이오드, 파장 가변, 열원소자
Abstract:
본 발명은 실리콘 바이오 센서 및 그의 제조 방법에 관한 것으로, 유입되는 전자 및 정공에 따라 광을 발산하되, 바이오 물질의 흡착여부에 따라 상기 광의 파장을 가변시키는 발광층; 상기 전자를 상기 발광층에 유입시키는 전자 주입층; 및 상기 정공을 상기 발광층에 유입시키는 정공 주입층을 포함하여 구성되며, 이에 의하여 실리콘 전자 소자와 집적이나 접합이 보다 용이해지도록 하면서도 대량 생산 및 저가의 바이오 센서의 제조가 가능해지도록 할 수 있다. 바이오 센서, 바이오 물질, 바이오 결합 반응, 자체 발광, 광 파장
Abstract:
Titanium dioxide nanoparticles and a method for immobilizing a bio-material to the titanium dioxide are provided to enlarge an optical thickness change value generated in an antibody-antigen reaction by a resonance reflection light biosensor. Titanium dioxide nanoparticles comprise: titanium dioxide whose surface has hydroxyl groups; an aldehyde group layer introduced on the hydroxyl groups of the titanium dioxide by self-assembly; and a bio-material immobilized on the aldehyde group layer. The titanium dioxide reacts to the piranha solution to form the hydroxyl groups. The aldehyde group layer is formed by a reaction between the titanium dioxide and an aldehyde silane solution.
Abstract:
A wavelength tunable semiconductor laser apparatus is provided to change an output wavelength of the semiconductor laser diode by heating the semiconductor laser diode through one or plural heating elements around the semiconductor laser diode. A wavelength variable semiconductor laser apparatus includes a laser diode(203), a first power supply(201), a heating element(202), and a second power supply(204). The semiconductor laser diode emits the light. The power supply supplies the current to the heating element. One or more heating elements are arranged on the same substrate as the semiconductor laser diode as the heating source. The second power supply supplies the current to the semiconductor laser diode.