Title:
LED LIGHTING DEVICE
Document Type and Number:
WIPO Patent Application WO/2023/035992
Kind Code:
A1
Abstract:
A LED lighting device, comprising: a base (1) which has a bottom plate (11) and a side wall (12), a cavity being formed between the bottom plate (11) and the side wall (12); an optical component (3) which covers one side of the base (1) in a light-emitting direction of the LED lighting device; and a light source (2) which is provided in the cavity of the base (1) and comprises a circuit board (22) and several LED arrays (23), the LED arrays (23) comprising LED lamp beads (21) fixed on the circuit board (22). The optical component (3) comprises an optical unit (31), and the optical unit (31) comprises a plurality of first optical components (311) and a plurality of second optical components (312) which correspond to the first optical components (311). A rectangular coordinate system is established, taking the center of the circuit board (22) in the width direction as an origin, taking the thickness direction of the LED lighting device as a Y axis and taking the width direction of the first optical component (311) as an X axis. Any point on the light emergent surface of the first optical component (311) satisfies the following formula: y=Ax 2+1E−15X−K, where A is a constant between 0.048 and 0.052, E refers to an exponent, and K is a constant between 9 and 12. The lighting device can reduce glare and avoid the formation of dark areas, thereby improving the aesthetics of the LED lighting device when the LED lighting device is illuminated.
Inventors:
WANG MINGBIN (CN)
ZHANG ZHICHAO (CN)
ZHANG DONGMEI (CN)
XU JIFENG (CN)
JIANG TAO (CN)
LIN KUAN (CN)
WEI HUAN (CN)
ZHAO HENG (CN)
JING ZECHENG (CN)
ZHANG ZHICHAO (CN)
ZHANG DONGMEI (CN)
XU JIFENG (CN)
JIANG TAO (CN)
LIN KUAN (CN)
WEI HUAN (CN)
ZHAO HENG (CN)
JING ZECHENG (CN)
Application Number:
PCT/CN2022/115343
Publication Date:
March 16, 2023
Filing Date:
August 29, 2022
Export Citation:
Assignee:
JIAXING SUPER LIGHTING ELECTRIC APPLIANCE CO LTD (CN)
International Classes:
F21V13/02; F21V11/06; F21Y115/10
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