公开(公告)号：US11148229B2

公开(公告)日：2021-10-19

申请号：US16177049

申请日：2018-10-31

Applicant: Samsung Display Co., Ltd.

Inventor： Do-sun Kim ,  Taekkyo Kang ,  Seungho Myoung ,  Minkyu Choi ,  Gyoowan Han

IPC: B23K26/28 ,  B23K26/38 ,  B23K26/14 ,  B08B15/04 ,  B23K26/142 ,  B23K26/361 ,  B08B5/02 ,  B23K103/00 ,  B23K26/70

Abstract: A laser processing apparatus may include: a laser generator configured to generate a laser beam; a stage configured to support a target object; at least one supply nozzle on the stage to eject an air toward the stage; a suction unit configured to inhale external air; and a suction structure on the stage and adjacent to the at least one supply nozzle. The suction structure may include a suction hole connected to the suction unit to inhale the external air. The suction structure may include an inclined surface in which the suction hole is defined. The suction structure may include a first surface adjacent to the supply nozzle, and an opening may be defined in a region of the first surface adjacent to a bottom surface. A distance between the inclined surface and the target object may be less than or equal to a height of the opening.

公开(公告)号：US10910588B2

公开(公告)日：2021-02-02

申请号：US16401056

申请日：2019-05-01

Applicant: Samsung Display Co., Ltd.

Inventor： Hyoung-Joo Kim ,  Yunsoo Kim ,  Jun-Hee Lee ,  Cheollae Roh ,  Gyoowan Han

IPC: H01L51/52 ,  G06F3/041 ,  G02B5/30 ,  H05K5/00 ,  G06F3/0488

Abstract: A display device includes a substrate including an upper surface, a lower surface, and side surfaces; a display element layer on the upper surface overlapping the display area; an encapsulation layer on the upper surface, the encapsulation layer including a main part that overlaps the display element layer and a protruding part that protrudes along a first direction from the main part and overlaps the bezel area; an input sensor on the main part; a first circuit board facing the main part, overlapping the bezel area, and on the upper surface; and a second circuit board on the protruding part, wherein each of the first circuit board and the second circuit board is adjacent to a first side surface among the side surfaces, and in the first direction, the protruding part is more adjacent to the first side surface than the main part.

公开(公告)号：US11235510B2

公开(公告)日：2022-02-01

申请号：US17077561

申请日：2020-10-22

Applicant: Samsung Display Co., Ltd.

Inventor： Gyeonghee Han ,  Jekil Ryu ,  Yoongyeong Bae ,  Jooseob Ahn ,  Seongchae Jeong ,  Inae Han ,  Gyoowan Han

IPC: B32B43/00 ,  B29C63/00 ,  B65H41/00 ,  B65H29/54 ,  G02F1/13 ,  B32B38/10

Abstract: A protective film peeling apparatus includes a peeling tape, a tape support portion disposed under one side of the peeling tape, a first pressing portion which is disposed on the one side of the peeling and fixes the one side of the peeling tape to the tape support portion, a second pressing portion which is disposed on another side of the peeling tape and presses and attaches the another side of the peeling tape to one side of a dummy portion of a protective film on a panel, and a grip portion disposed on the dummy portion. The tape support portion and the first pressing portion peel the one side of the dummy portion and a predetermined portion of the dummy portion, and the grip portion peel a remaining portion of the dummy portion.

公开(公告)号：US11084129B2

公开(公告)日：2021-08-10

申请号：US15828241

申请日：2017-11-30

Applicant: Samsung Display Co., Ltd.

Inventor： Kuhyun Kang ,  Ilyoung Jeong ,  Gyoowan Han

IPC: B23K26/06 ,  B23K26/38 ,  B23K26/082 ,  B23K26/0622 ,  G02B5/30 ,  B23K103/00

Abstract: A polarizing plate-cutting device including a laser beam generator configured to emit a laser beam, a scanner including a rotating mirror configured to reflect the laser beam emitted from the laser beam generator, and a housing accommodating the rotating mirror, a condenser lens configured to condense the laser beam reflected from the rotating mirror, and a mounting block onto which the laser beam condensed by the condenser lens is irradiated and to which a polarizing plate is mounted, wherein the mounting block is fixed with respect to the scanner while the polarizing plate is being cut, and wherein the polarizing plate includes a stacking of a base substrate and a polarizing layer, the base substrate being closer to the condenser lens than the polarizing layer, and a heat resistance of the polarizing layer being lower than that of the base substrate.

公开(公告)号：US10741791B2

公开(公告)日：2020-08-11

申请号：US16705743

申请日：2019-12-06

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Hyojin Kim ,  Yoongyeong Bae ,  Ilseob Yoon ,  Seongchae Jeong ,  Inae Han ,  Gyoowan Han

IPC: H01L51/00 ,  H01L51/52 ,  B32B3/30 ,  B32B7/12 ,  G06F1/16

Abstract: A display apparatus includes a substrate having a bending area between a first area and a second area, wherein the substrate is bent in the bending area, a display portion on an upper surface of the substrate and positioned in the first area, and a protective film on a lower surface of the substrate and including a protective film base and an adhesive layer. The protective film base includes a plurality of cavities.

公开(公告)号：US20200230740A1

公开(公告)日：2020-07-23

申请号：US16747490

申请日：2020-01-20

Applicant: Samsung Display Co., Ltd.

Inventor： Jooseob AHN ,  Taekil Oh ,  Gyoowan Han ,  Yeonghwan Ko ,  Yoongyeong Bae

IPC: B23K26/06 ,  B23K26/073 ,  B23K26/362 ,  B23K26/382 ,  B23K26/082

Abstract: A laser etching apparatus includes a light source to emit a first laser beam having a first energy profile; and a scanner to radiate a second laser beam upon an object along a circular path, the second laser beam having a second energy profile different from the first energy profile.

公开(公告)号：US10522785B2

公开(公告)日：2019-12-31

申请号：US15827600

申请日：2017-11-30

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Hyojin Kim ,  Yoongyeong Bae ,  Ilseob Yoon ,  Seongchae Jeong ,  Inae Han ,  Gyoowan Han

IPC: H01L51/00 ,  H01L51/52 ,  B32B7/12 ,  B32B3/30 ,  G06F1/16

Abstract: A display apparatus includes a substrate having a bending area between a first area and a second area, wherein the substrate is bent in the bending area, a display portion on an upper surface of the substrate and positioned in the first area, and a protective film on a lower surface of the substrate and including a protective film base and an adhesive layer. The protective film base includes a plurality of cavities.

公开(公告)号：US20190105736A1

公开(公告)日：2019-04-11

申请号：US15973462

申请日：2018-05-07

Applicant: Samsung Display Co., Ltd.

Inventor： Taekil OH ,  Gyoowan Han ,  Wonyong Kim ,  Seungho Myoung ,  Jaeseok Park ,  Alexander Voronov ,  Jinhong Jeun

IPC: B23K26/362 ,  C22C38/08 ,  B23K26/06 ,  B23K26/067 ,  B23K26/082

Abstract: A method of manufacturing a deposition mask includes: a splitting process in which a laser beam irradiated from a light source is split into a plurality of laser beams; a scanning process in which the plurality of laser beams are simultaneously scanned onto the mask substrate; and a tuning process in which irradiation states of the plurality of laser beams are finely changed to correspond to shapes of the plurality of pattern holes while the plurality of laser beams are scanned.

公开(公告)号：US12172237B2

公开(公告)日：2024-12-24

申请号：US17650051

申请日：2022-02-04

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Sungyong Lee ,  Jaeha Lim ,  Gyoowan Han

IPC: B23K26/38 ,  B08B5/04 ,  B08B15/00 ,  B23K26/16 ,  B23K26/70 ,  B23K37/04 ,  B25B11/00

Abstract: A work table for laser processing includes an upper plate including a plurality of cell regions and at least one groove region that divides the plurality of cell regions. The upper plate includes a plurality of absorption holes that fix a substrate in the plurality of cell regions. A plurality of suction holes collect particles generated during a cutting process performed on the substrate. A lower plate is disposed under the upper plate. The lower plate forms an absorption path that is coupled to the plurality of absorption holes. A suction path is coupled to the plurality of suction holes by combining the lower plate with the upper plate.

公开(公告)号：US12151313B2

公开(公告)日：2024-11-26

申请号：US17387950

申请日：2021-07-28

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Kuhyun Kang ,  Ilyoung Jeong ,  Gyoowan Han

IPC: B23K26/38 ,  B23K26/06 ,  B23K26/0622 ,  B23K26/082 ,  B23K103/00 ,  G02B5/30

Abstract: A polarizing plate-cutting device including a laser beam generator configured to emit a laser beam, a scanner including a rotating mirror configured to reflect the laser beam emitted from the laser beam generator, and a housing accommodating the rotating mirror, a condenser lens configured to condense the laser beam reflected from the rotating mirror, and a mounting block onto which the laser beam condensed by the condenser lens is irradiated and to which a polarizing plate is mounted, wherein the mounting block is fixed with respect to the scanner while the polarizing plate is being cut, and wherein the polarizing plate includes a stacking of a base substrate and a polarizing layer, the base substrate being closer to the condenser lens than the polarizing layer, and a heat resistance of the polarizing layer being lower than that of the base substrate.