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Title:
AN OPTICAL LENS SYSTEM FOR VEHICLE LIGHTING APPLICATIONS
Document Type and Number:
WIPO Patent Application WO/2022/078174
Kind Code:
A1
Abstract:
An optical lens system (S) for vehicle lighting applications, where the system (S) comprises a lens body (1) and a first light source unit (2a) configured for emitting light into the lens body (1). The lens body (1) comprises a first light inlet surface (3a) arranged to receive incident light from the first light source unit (2a), a light output surface (5) configured to emit the light received from the first light source unit (2a) through the first light inlet surface (3a), and a light impacting surface (4). The light impacting surface (4) and the light output surface (5) are oppositely arranged in relation to each other and connected by the first light inlet surface (3a). The light impacting surface (4) comprises at least one first optical zone (6a) configured for redirecting the incident light from the first light inlet surface (3a) toward the light output surface (5), and the at least one first optical zone (6a) is formed by a plurality of optical elements (7) where the optical elements (7) are arranged as indentations (I) in the light impacting surface (4) of the lens body (1). The optical elements (7) are configured with a truncated cone section (8) arranged within the lens body (1) in connection to the light impacting surface (4), and a rounded cap section (9) arranged within the lens body (1) in connection to the truncated cone section (8). A base surface (9BS) of the rounded cap section (9) is coinciding with a top surface (8TS) of the truncated cone section (8). The truncated cone section (8) comprises an outer surface (8OS) and a base surface (8BS), and the rounded cap section (9) comprises an outer surface (9OS). A cross-sectional transition (T) between the outer surface (8OS) of the truncated cone section (8) and the outer surface (9OS) of the rounded cap section (9) is non-linear.

Inventors:
HAKE JOEL (SE)
Application Number:
PCT/CN2021/119895
Publication Date:
April 21, 2022
Filing Date:
September 23, 2021
Export Citation:
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Assignee:
NINGBO GEELY AUTOMOBILE RES & DEVELOPMENT CO LTD (CN)
GEELY HOLDING GROUP CO LTD (CN)
International Classes:
F21S41/24; B60Q1/00; F21S43/235; F21V8/00; F21W102/00; F21W103/00
Domestic Patent References:
WO1995006889A11995-03-09
Foreign References:
CN108136953A2018-06-08
CN108091738A2018-05-29
CN103460092A2013-12-18
US20050231982A12005-10-20
JP2002297069A2002-10-09
US20090073721A12009-03-19
Attorney, Agent or Firm:
KING & WOOD MALLESONS (CN)
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