Light distribution lens

Disclosed is a light diffusion lens for improving a hot spot phenomenon and a shadow phenomenon. The light diffusion lens for diffusing the light generated from a light emitting diode (LED) comprises: a hemispherical body composed of glass material or plastic material; an upper portion surface compo...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: WOO, JI HUN, KO, SEOK CHAE
Format: Patent
Sprache:eng ; kor
Schlagworte:
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Beschreibung
Zusammenfassung:Disclosed is a light diffusion lens for improving a hot spot phenomenon and a shadow phenomenon. The light diffusion lens for diffusing the light generated from a light emitting diode (LED) comprises: a hemispherical body composed of glass material or plastic material; an upper portion surface composing an upper portion appearance of the body; a lower portion surface composing a lower portion appearance of the body; an oval shaped incident hole accommodating the LED and formed at the center of the lower portion surface; and an incident surface convexly formed from the incident hole to the upper portion surface. 핫 스팟 현상 및 암부 현상을 개선하는 광 확산 렌즈가 개시된다. 광 확산 렌즈는 엘이디(LED)에서 발생한 광을 확산시키는 광 확산 렌즈에 있어서, 유리재질 또는 플라스틱 재질로 이루어진 반구형 몸체; 상기 몸체의 상부 외형을 이루는 상부면; 상기 몸체의 하부 외형을 이루는 하부면; 상기 엘이디(LED)를 수용하며, 상기 하부면의 중심에 형성된 타원 형상의 입사구; 및 상기 입사구로부터 상기 상부면 쪽으로 볼록하게 형성된 입사면; 을 포함하한다.