Title:
LED LIGHTING DEVICE
Document Type and Number:
WIPO Patent Application WO/2022/048501
Kind Code:
A1
Abstract:
An LED lighting device, comprising: a light source carrier (1), comprising a base (101), an accommodation space (1012) being formed on the base (101); a light-emitting unit (2), comprising an illuminant (202, 23, 222) and a lamp panel (201), the lamp panel (201) being fixed on the light source carrier (1); and an optical component (3) covering or at least partially covering the light-emitting unit (2). The light-emitting unit (2) and the optical component (3) are both provided in the accommodation space (1012), and in the height direction of the base (101), neither the light-emitting unit (2) nor the optical component (3) exceeds a range defined by the accommodation space (1012); one group of light-emitting units (2) are only provided with one group of optical components (3), and the area of the optical component (3) covering the front surface of the base (101) does not exceed 10% of the total area of the front surface of the base (101); the optical component (3) comprises a first light distribution unit (31, 231, 3001) and a second light distribution unit (302, 232, 3002); and 70%, 80%, or 90% of luminous flux generated during operation of the illuminant (202, 23, 222) is directly emitted from the LED lighting device via the second light distribution unit (302, 232, 3002).
Inventors:
WANG MINGBIN (CN)
ZHANG ZHICHAO (CN)
JIANG TAO (CN)
CHEN ZHENKUN (CN)
ZHANG DONGMEI (CN)
ZHANG ZHICHAO (CN)
JIANG TAO (CN)
CHEN ZHENKUN (CN)
ZHANG DONGMEI (CN)
Application Number:
PCT/CN2021/115036
Publication Date:
March 10, 2022
Filing Date:
August 27, 2021
Export Citation:
Assignee:
JIAXING SUPER LIGHTING ELECTRIC APPLIANCE CO LTD (CN)
International Classes:
F21S8/00
Foreign References:
| CN108397720A | 2018-08-14 | |||
| CN208365358U | 2019-01-11 | |||
| CN209622505U | 2019-11-12 | |||
| CN208253229U | 2018-12-18 | |||
| CN210319609U | 2020-04-14 | |||
| JP2012230762A | 2012-11-22 |
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