Beleuchtungsmodul, Beleuchtungsvorrichtung und Leitungslampe

Details

Veröffentlichungs-Nr.

EP4729825

Anmeldetag

8. Juli 2024

Veröffentlichung

16. Januar 2025

Rechtsraum

EP

Abstract

A lighting device disclosed in an embodiment of the invention comprises: a substrate; a plurality of light sources arranged on the substrate; and a light guide member including a light guide portion sealing the plurality of light sources on the substrate and a diffusion layer disposed on the light guide portion, wherein the plurality of light sources include a reflective body, a cavity concave on an upper surface of the reflective body, and a light emitting chip disposed on a bottom of the cavity, wherein 1/2 of the maximum width of the cavity is A, the height of the cavity is B, a pitch between adjacent light sources is D, a thickness of the light guide member is T, and a formula: Uni_Min_0.7=K1*(T/D) - K2*(B/A) + K3 is satisfied, wherein Uni_Min_0.7 represents a light uniformity of at least 70% on the light guide member and satisfies the condition of B < A, and K1, K2, and K3 are different constants having values greater than 0 and less than 1.

Anmelder

Firma

LG INNOTEK CO. LTD

Land

🇰🇷 Südkorea