Title:
3D PRINTER AND PRINTING SYSTEM
Document Type and Number:
WIPO Patent Application WO/2020/141822
Kind Code:
A1
Abstract:
Proposed is a 3D printer and a printing system that are capable of selectively emitting a backlight only onto a region corresponding to a single layer of a molded object being printed. The present invention comprises: a resin accommodation part in which a photocurable resin is accommodated; an LCD unit for curing the photocurable resin by irradiating the resin accommodation part with a light source that corresponds to a single layer image for molding a printed object; an LED backlight unit for providing a backlight to the LCD unit, wherein the backlight is turned on in regions in which the single layer image is displayed in conjunction with an image signal of the LCD unit, and the backlight is turned off in the remaining regions in which the single layer image is not displayed; and a control unit for controlling a light emitting region of the LED backlight unit on the basis of the image signal of the LCD unit.
Inventors:
PARK SEONG JIN (KR)
LEE HONG JOO (KR)
KIM KIHYUNG (KR)
LEE HONG JOO (KR)
KIM KIHYUNG (KR)
Application Number:
PCT/KR2019/018674
Publication Date:
July 09, 2020
Filing Date:
December 30, 2019
Export Citation:
Assignee:
RYUJIN LAB INC (KR)
International Classes:
B29C64/135; B29C64/268; B29C64/386; B33Y30/00; B33Y50/02
Foreign References:
| US20170072627A1 | 2017-03-16 | |||
| US20160297146A1 | 2016-10-13 | |||
| KR101852453B1 | 2018-04-27 | |||
| US20160096332A1 | 2016-04-07 | |||
| CN206589336U | 2017-10-27 | |||
| CN108681130A | 2018-10-19 |
Attorney, Agent or Firm:
ISQUARE PATENT & LAW FIRM (KR)
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