Title:
SURFACE LIGHT SOURCE MODULE FOR BACKLIGHT DEVICE
Document Type and Number:
WIPO Patent Application WO/2020/222359
Kind Code:
A1
Abstract:
The present invention relates to an LED module for a backlight of a display device that can simplify the structure and manufacturing process thereof by applying a high-transparency substrate. The surface light source module of the present embodiment comprises: a circuit-printed board; a molding unit coupled to the board while providing a plurality of cavities; a light-emitting element mounted on the board inside the cavities; a sealing layer filled in the cavities while sealing the light-emitting element; and a diffusion member having a plurality of light-shielding patterns formed in positions corresponding one-to-one to the plurality of light-emitting elements and laminated on the upper surface of the sealing layer such that the vertical central axes of the light-emitting elements and the light-shielding patterns corresponding to each other coincide, wherein light emitted from the light-emitting elements is reflected and diffused by the light-shielding patterns, and is mixed and emitted in the area of the diffusion member.
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Inventors:
HA JI SEOK (KR)
Application Number:
PCT/KR2019/009186
Publication Date:
November 05, 2020
Filing Date:
July 24, 2019
Export Citation:
Assignee:
HEESUNG ELECTRONICS CO LTD (KR)
International Classes:
F21V8/00
Foreign References:
| KR101718486B1 | 2017-04-04 | |||
| KR20100039115A | 2010-04-15 | |||
| KR101754228B1 | 2017-07-07 | |||
| KR20150050655A | 2015-05-11 | |||
| JP2018082000A | 2018-05-24 |
Attorney, Agent or Firm:
SHINWOO PATENT & LAW FIRM (KR)
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