公开(公告)号：US20220029060A1

公开(公告)日：2022-01-27

申请号：US17296649

申请日：2019-11-26

申请人： RYUJIN LAB, INC.

发明人： Seong Jin PARK ,  Hong Joo LEE ,  Kihyung KIM

IPC分类号： H01L33/38 ,  H01L27/15

摘要： Proposed is an arrangement structure for the electrodes of a micro LED that may perform driving without any problems even when an anode and a cathode constituting parts of the electrodes of a micro LED are rotated and thus the left, right, upper and/or lower sides thereof are changed. The arrangement structure includes: a substrate having an anode and a cathode; an LED anode element fixedly attached to the substrate, and configured to form an anode among electrodes of an LED device; an LED cathode element fixedly attached to the substrate, and configured to form a cathode among the electrodes of the LED device; an anode application element configured to apply a current while connecting the LED anode element to the anode of the substrate; and a cathode application element configured to apply a current while connecting the LED cathode element to the cathode of the substrate.

公开(公告)号：US20220072783A1

公开(公告)日：2022-03-10

申请号：US17419862

申请日：2019-12-30

申请人： RYUJIN LAB, INC.

发明人： Seong Jin PARK ,  Hong Joo LEE ,  Kihyung KIM

IPC分类号： B29C64/277 ,  B33Y30/00 ,  B33Y50/02 ,  B29C64/393

摘要： Proposed are a 3D printer and a printing system capable of selectively radiating backlight only onto an area corresponding to a single layer of an output molded object. The 3D printer includes: a resin accommodation part configured to accommodate a photocurable resin; an LCD unit configured to cure the photocurable resin by radiating light corresponding to a tomographic image onto the resin accommodation part; an LED backlight unit configured to provide backlight to the LCD unit in such a manner as to turn on the backlight in a region where the tomographic image is present and turn off the backlight in the remaining region where the tomographic image is not present in conjunction with an image signal from the LCD unit; and a control unit configured to control the light emission area of the LED backlight unit based on the image signal from the LCD unit.

公开(公告)号：US20220347921A1

公开(公告)日：2022-11-03

申请号：US17761422

申请日：2020-09-21

申请人： RYUJIN LAB, INC.

发明人： Seong Jin PARK ,  Hong Joo LEE ,  Kihyung KIM

IPC分类号： B29C64/282 ,  B29C64/129 ,  B29C64/286 ,  B29C64/30 ,  B33Y30/00

摘要： There are proposed a 3D printer optical engine and printing system capable of forming a single light engine by integrating light sources. A light engine installed under a tank accommodating a photocurable resin and configured to provide a light source for the molding of an output product to the tank includes: a light engine case detachably mounted under the tank, and having an accommodation space therein; a backlight module detachably installed in the lower portion of the accommodation space of the light engine case, and configured to provide backlight; and an image switching module detachably installed in the upper portion of the accommodation space of the light engine case while being spaced apart from the backlight module, and configured to cure the photocurable resin by radiating a light source corresponding to a tomographic image of the output product onto the tank.

公开(公告)号：US20200338826A1

公开(公告)日：2020-10-29

申请号：US16955907

申请日：2018-12-03

申请人： RYUJIN LAB, INC.

发明人： Seong Jin PARK ,  Hong Joo LEE ,  Kihyung KIM

IPC分类号： B29C64/264 ,  B29C64/393 ,  B29C64/129 ,  B33Y30/00 ,  B33Y50/02

摘要： Proposed herein are a three-dimensional (3D) printer and a printing system. The 3D printer includes: an accommodation part formed in a box shape having an open top, and configured to accommodate a photocurable resin therein; a light transmission member configured to transmit light into the accommodation part while forming the bottom of the accommodation part; a self-light emission member disposed beneath the light transmission member, and configured to radiate light in a 2D planar shape; a support member disposed beneath the self-light emission member, and configured to prevent the self-light emission member from sagging downward; a plate disposed above the accommodation part to be selectively lifted and lowered, and configured to be immersed in the photocurable resin and to allow the photocurable resin to be stacked on the bottom surface thereof; and a lifting/lowering member configured to selectively lift and lower the plate.

公开(公告)号：US20190001552A1

公开(公告)日：2019-01-03

申请号：US15748595

申请日：2016-07-28

申请人： Seong Jin PARK ,  Hong Joo LEE ,  Hwan Ook JU ,  RYUJIN LAB , INC.

发明人： Seong Jin PARK ,  Hong Joo LEE ,  Hwan Ook JU

IPC分类号： B29C64/135 ,  B29C64/205 ,  B33Y10/00 ,  B29C64/386

摘要： The present invention relates to a 3D printer and a printing system. The present invention may include: a storage unit formed in a hexahedral shape and having an open top and a bottom surface formed of a film layer comprising an upper film layer, the storage unit storing a photocurable material therein; a light source unit comprising at least one light emitting diode, the light source unit being disposed below the storage unit and radiating light toward the photocurable material; and a switching unit comprising an LCD panel disposed between the light source unit and the storage unit, the switching unit opening and closing each pixel included in the LCD panel to selectively pass light emitted from the light source unit toward the photocurable material. Accordingly, light emitted from below the storage unit can be emitted toward the photocurable material without being distorted.