公开(公告)号：US20220201874A1

公开(公告)日：2022-06-23

申请号：US17536160

申请日：2021-11-29

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： JUNGHWA YOU ,  ALEXANDER VORONOV ,  HYUNGSIK KIM ,  JOONGSUNG LEE ,  JEKIL RYU ,  SUNGGYU PARK ,  WOOHYUN JUNG ,  GYOOWAN HAN

IPC: H05K5/00

Abstract: A foldable display device including: a flexible display module including a first area, a second area, and a foldable area between the first area and the second area; a first support part disposed under the flexible display module, and including a plurality of first carbon fibers extending in a first direction; and a second support part disposed under the first support part, and including a plurality of second carbon fibers extending in a second direction.

公开(公告)号：US20210333564A1

公开(公告)日：2021-10-28

申请号：US17092669

申请日：2020-11-09

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： AKIFUMI SANGU ,  JEKIL RYU ,  CHEOLHO PARK ,  HAESOOK LEE ,  YOUNGSU CHAE ,  GYOOWAN HAN

IPC: G02B27/09

Abstract: The present disclosure relates to an apparatus for forming a line beam. The apparatus includes a laser source, a telescope unit, a beam-transforming unit, a Fourier unit, a long-axis optical unit, and a short-axis optical unit. The laser source is configured to generate input light. The telescope unit is configured to magnify the input light in an X-axis direction perpendicular to an optical axis, which is a progression direction of the input light. The beam-transforming unit is configured to divide light incident from the telescope unit into a plurality of sub-columns. The Fourier unit is configured to uniformly mix the plurality of sub-columns. The long-axis optical unit is configured to uniformly disperse light mixed by the Fourier unit in the X-axis direction. The short-axis optical unit is configured to focus light passing through the long-axis optical unit onto a reference plane, wherein the short-axis optical unit includes a concave reflective surface, and a curvature of the reflective surface is maintained constant in the X-axis direction.

公开(公告)号：US20230135789A1

公开(公告)日：2023-05-04

申请号：US17872331

申请日：2022-07-25

Applicant: Samsung Display Co., Ltd.

Inventor： JIN HONG JEUN ,  AKIFUMI SANGU ,  JEKIL RYU ,  CHEOLHO PARK ,  JEONGHUN WOO ,  HAESOOK LEE ,  YOUNGSU CHAE

IPC: B23K26/06 ,  B23K26/0622 ,  B23K26/064 ,  B23K26/352

Abstract: A laser annealing apparatus includes a plurality of lasers, a laser controller that controls the plurality of lasers such that a plurality of laser beams generated from the plurality of lasers is emitted at different timings, beam mixer optics that outputs a processing beam by mixing the plurality of laser beams of which output timings are adjusted, and focus optics that outputs the processing beam of which focus is adjusted. The processing beam includes a first processing laser beam having a first pulse, a second processing laser beam having a second pulse following the first pulse, and a third processing laser beam having a third pulse following the second pulse. A first peak of the first pulse is smaller than a second peak of the second pulse, and a third peak of the third pulse is smaller than the second peak.

公开(公告)号：US20240145243A1

公开(公告)日：2024-05-02

申请号：US18235797

申请日：2023-08-18

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： CHEOLHO PARK ,  JEKIL RYU ,  JEONGHUN WOO ,  DOO-WON LEE ,  HAESOOK LEE ,  JIN HONG JEUN

IPC: H01L21/02

CPC classification number: H01L21/02686 ,  H01L21/02691 ,  H10K59/1201

Abstract: A laser annealing method includes selecting a reference intensity from a plurality of intensities of a plurality of peaks; where the reference intensity is used to determine a pulse shape of laser irradiation during laser annealing, setting the pulse shape by setting an intensity ratio of a first peak having a smallest peak occurrence time among the plurality of peaks to less than about 100 percent relative to the reference intensity, and irradiating a laser beam having the pulse shape to a stage.

公开(公告)号：US20210257215A1

公开(公告)日：2021-08-19

申请号：US17235178

申请日：2021-04-20

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： AKIFUMI SANGU ,  GYOOWAN HAN ,  JEKIL RYU ,  KYUNGJAE LEE

IPC: H01L21/02 ,  G02B27/28 ,  G01J1/42 ,  G02B27/10 ,  B23K26/064 ,  H01L27/12 ,  B23K26/067 ,  H01L21/67 ,  B23K26/03 ,  B23K26/08 ,  B23K26/70 ,  B23K26/352 ,  B23K26/06 ,  B23K26/354 ,  B23K26/00

Abstract: A laser crystallizing apparatus includes a first light source unit configured to emit a first input light having a linearly polarized laser beam shape. A second light source unit is configured to emit a second input light having a linearly polarized laser beam shape. A polarization optical system is configured to rotate the first input light and/or the second input light at a predetermined rotation angle. An optical system is configured to convert the first input light and the second input light, which pass through the polarization optical system, into an output light. A target substrate is seated on a stage and output light is directed onto the target substrate. A monitoring unit is configured to receive the first input light or the second input light from the polarization optical system and measure a laser beam quality thereof.