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1. WO2020116830 - LIGHT DIFFUSION LENS

Publication Number WO/2020/116830
Publication Date 11.06.2020
International Application No. PCT/KR2019/015950
International Filing Date 20.11.2019
IPC
G02B 3/00 2006.01
GPHYSICS
02OPTICS
BOPTICAL ELEMENTS, SYSTEMS, OR APPARATUS
3Simple or compound lenses
Applicants
  • 주식회사 에이치엘옵틱스 HL OPTICS CO., LTD [KR]/[KR]
Inventors
  • 이강현 LEE, Kang Hyun
  • 기호경 KI, Ho Kyung
Agents
  • 특허법인 이룸리온 ERUUM & LEEON INTELLECTUAL PROPERTY LAW FIRM
Priority Data
10-2018-015638306.12.2018KR
Publication Language Korean (KO)
Filing Language Korean (KO)
Designated States
Title
(EN) LIGHT DIFFUSION LENS
(FR) LENTILLE DE DIFFUSION DE LUMIÈRE
(KO) 광 확산렌즈
Abstract
(EN)
A light diffusion lens is disclosed. A light diffusion lens according to one embodiment of the present invention comprises: a lower surface having a short axis and a long axis; a light incident surface recessed inward from a partial region (entrance aperture) of the lower surface; and a light emitting surface through which light that is incident through the light incident surface is emitted, wherein the light emitting surface includes a curved upper surface, and a lateral surface for vertically connecting the outer periphery of the upper surface and the outer periphery of the lower surface.
(FR)
L'invention concerne une lentille de diffusion de lumière. Une lentille de diffusion de lumière selon un mode de réalisation de la présente invention comprend : une surface inférieure ayant un axe court et un axe long ; une surface d'incidence de lumière en retrait vers l'intérieur en provenance d'une région partielle (ouverture d'entrée) de la surface inférieure ; et une surface d'émission de lumière au travers de laquelle la lumière qui est incidente au travers de la surface d'incidence de lumière est émise, la surface d'émission de lumière comprenant une surface supérieure incurvée, et une surface latérale pour relier verticalement la périphérie extérieure de la surface supérieure et la périphérie extérieure de la surface inférieure.
(KO)
광 확산렌즈가 개시된다. 본 발명의 일실시예의 광 확산렌즈는, 단축과 장축이 형성되는 하부면, 상기 하부면의 일영역(입사구)으로부터 내부로 오목하게 형성된 입사면, 및 상기 입사면을 통해 입사된 광이 출사되는 출사면을 포함하고, 상기 출사면은, 곡면 형상의 상부면, 및 상기 상부면의 외주와 상기 하부면의 외주를 수직으로 연결하는 측부면을 포함한다.
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