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公开(公告)号：US11105709B2
公开(公告)日：2021-08-31
申请号：US16791595
申请日：2020-02-14
Applicant: Samsung Display Co., Ltd.
Inventor： Jinhyeong Kim , Sanghoon Lim , Youngjin Oh , KuHyun Kang , Sungjin Jang
Abstract: A method for testing a display module may include providing light to the display module, obtaining an image of the display module, measuring a first center of a hole in the display module, measuring a first distance from the first center to an edge of the hole, measuring a second center of a closed line formed by a signal line of the display module, measuring a second distance from the second center to the signal line, calculating a third distance between the first center and the second center, and comparing the second distance with a sum of the first distance and the third distance.
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公开(公告)号：US11890700B2
公开(公告)日：2024-02-06
申请号：US17994699
申请日：2022-11-28
Applicant: Samsung Display Co., Ltd.
Inventor： Youngjin Oh , Sanghoon Lim , Jinhyeong Kim , Kyoungseok Cho , KuHyun Kang , Sungjin Jang
CPC classification number: B23K26/38 , G06F3/041 , H01L21/02345 , H10K50/86 , H10K59/40 , H10K71/00 , G06F2203/04107 , H10K50/844 , H10K50/868
Abstract: A method for manufacturing a display module includes preparing a display module comprising a plurality of layers and forming a through-hole in the display module. The forming the through-hole includes performing a first irradiation process of irradiating a first laser beam along a first boundary defining the through-hole, performing a second irradiation process of irradiating a second laser beam along a second boundary after the first irradiation process, and performing a third irradiation process of irradiating a third laser beam along a third boundary after the second irradiation process. A time interval between the first irradiation process and the second irradiation process may be different from a time interval between the second irradiation process and the third irradiation process.
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公开(公告)号：US11534867B2
公开(公告)日：2022-12-27
申请号：US16743527
申请日：2020-01-15
Applicant: Samsung Display Co., Ltd.
Inventor： Youngjin Oh , Sanghoon Lim , Jinhyeong Kim , Kyoungseok Cho , KuHyun Kang , Sungjin Jang
Abstract: A method for manufacturing a display module includes preparing a display module comprising a plurality of layers and forming a through-hole in the display module. The forming the through-hole includes performing a first irradiation process of irradiating a first laser beam along a first boundary defining the through-hole, performing a second irradiation process of irradiating a second laser beam along a second boundary after the first irradiation process, and performing a third irradiation process of irradiating a third laser beam along a third boundary after the second irradiation process. A time interval between the first irradiation process and the second irradiation process may be different from a time interval between the second irradiation process and the third irradiation process.
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公开(公告)号：US10910596B2
公开(公告)日：2021-02-02
申请号：US16439625
申请日：2019-06-12
Applicant: Samsung Display Co., Ltd.
Inventor： Jinhyeong Kim , Kuhyun Kang
IPC: H01L51/52 , H01L51/00 , H01L51/56 , B23K26/38 , B23K26/364
Abstract: In a method for manufacturing a display device, the method includes: providing a display panel divided into a cutting area and a body part surrounding the cutting area; attaching a dummy film on a bottom surface of the display panel; cutting the cutting area by irradiating laser light toward a cutting line defined as a boundary between the cutting area and the body part; irradiating the laser light to a groove line of the dummy film, which overlaps the cutting line, to define a groove in the dummy film along the groove line; and separating the dummy film from the body part.
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