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公开(公告)号：US20180149785A1
公开(公告)日：2018-05-31
申请号：US15646044
申请日：2017-07-10
Applicant: Samsung Display Co., Ltd.
Inventor： Heeyoung LEE , Eunmi SEO
CPC classification number: G02F1/133528 , G02B5/3016 , G02B5/3083 , G02F1/133305 , G02F1/13363 , G02F2202/28 , H01L27/323 , H01L51/0097 , H01L51/5281 , H01L2251/5338
Abstract: A flexible display apparatus includes a bending area and a non-bending area. The flexible display apparatus further includes a display panel and a polarizing structure disposed on the display panel. The polarizing structure includes a λ/4 phase retardation layer, a linear polarizer disposed on the λ/4 phase retardation layer, and a first adhesive structure disposed between the λ/4 phase retardation layer and the linear polarizer. The linear polarizer includes a stretched polymer film. The first adhesive structure is an adhesive layer with a glass transition temperature that is greater than or equal to 40° C. and less than or equal to 150° C. Accordingly, deformation of the λ/4 phase retardation layer may be prevented or reduced when the flexible display apparatus is folded or bent, thereby improving display quality.
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公开(公告)号：US20170262022A1
公开(公告)日：2017-09-14
申请号：US15455761
申请日：2017-03-10
Applicant: Samsung Display Co., Ltd
Inventor： Suk CHOI , Heeyoung LEE , Jongin LEE
CPC classification number: G06F1/1652 , G02B5/3025 , G02B5/3083 , H01L2251/5338
Abstract: A flexible display device includes a bending area including a display panel, an optical member, a polarization member, and a window member, and a non-bending area. A bending part of the optical member includes a plurality of optical patterns corresponding to the bending area, and the plurality of optical patterns are provided to have different widths at a face adjacent to the display panel and a face adjacent to the polarization member. Light leakage phenomenon and color shift phenomenon induced by the modification of the optical member in the bending area during bending of the display device may be improved.
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公开(公告)号：US20230205277A1
公开(公告)日：2023-06-29
申请号：US17938374
申请日：2022-10-06
Applicant: SAMSUNG DISPLAY CO., LTD.
Inventor： Minkyoung JUNG , Heeyoung LEE , Ji-Hoon KIM , Eunmi SEO , Minju OH
CPC classification number: G06F1/1656 , G06F1/1616 , G06F1/1652 , G06F1/1643 , H01L51/5237 , H01L51/5284 , H01L51/529 , H01L2251/5338
Abstract: A display device includes a display panel including a folding area and a non-folding area disposed adjacent to the folding area, and a first support plate disposed on a lower portion of the display panel. The non-folding area includes a first display area and a second display area disposed adjacent to the first display area and having a higher light transmittance than the first display area. A first hole overlapping the second display area is defined in the first support plate, and a size of the first hole is larger than a size of the second display area in a plan view.
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公开(公告)号：US20180114950A1
公开(公告)日：2018-04-26
申请号：US15639760
申请日：2017-06-30
Applicant: SAMSUNG DISPLAY CO., LTD.
Inventor： Heeyoung LEE , Inseo KEE , Jinkyu KIM , Hansun RYOU
CPC classification number: H01L51/5281 , G02B5/3041 , G09F9/301 , H01L27/3244 , H01L51/0097 , H01L51/5246 , H01L51/5253 , H01L51/5293 , H01L2251/5338
Abstract: A display device includes: a display panel to display an image; an optical film over the display panel and including at least one phase retarder and a polarizer; a first adhesive layer between the display panel and the optical film and contacting a first surface of the optical film; and a second adhesive layer on the optical film and contacting a second surface of the optical film opposite the first surface, and the first adhesive layer and the second adhesive layer contact each other.
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Patent Agency Ranking
公开(公告)号：US20230258974A1
公开(公告)日：2023-08-17
申请号：US18136396
申请日：2023-04-19
Applicant: Samsung Display Co., LTD.
Inventor： Heeyoung LEE , Eunmi SEO
IPC: G02F1/1335 , G02F1/13363 , G02F1/1333
CPC classification number: G02F1/133528 , G02F1/13363 , G02F1/133305 , G02F2202/28 , G02B5/3083
Abstract: A flexible display apparatus including a bending area and a non-bending area. The flexible display apparatus further includes a display panel and a polarizing structure disposed on the display panel. The polarizing structure includes a λ/4 phase retardation layer, a linear polarizer disposed on the λ/4 phase retardation layer, and a first adhesive structure disposed between the λ/4 phase retardation layer and the linear polarizer. The linear polarizer includes a stretched polymer film. The first adhesive structure is an adhesive layer with a glass transition temperature that is greater than or equal to 40° C. and less than or equal to 150° C. Accordingly, deformation of the λ/4 phase retardation layer may be prevented or reduced when the flexible display apparatus is folded or bent, thereby improving display quality.
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公开(公告)号：US20200264356A1
公开(公告)日：2020-08-20
申请号：US16732610
申请日：2020-01-02
Applicant: Samsung Display Co., Ltd.
Inventor： Heeyoung LEE , Minju OH , Gilyeong PARK
Abstract: A display device includes a polarizing plate including a first phase retardation layer, a second phase retardation layer disposed on the first phase retardation layer, a polarizer layer disposed on the second phase retardation layer, and a first adhesive member disposed between the first phase retardation layer and the second phase retardation layer. The first adhesive member is an adhesive layer having a refractive index different from a refractive index of the second phase retardation layer by about 0.25 or less, or a pressure sensitive adhesive layer having a thickness in a range from about 2 micrometers to about 10 micrometers.
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公开(公告)号：US20200075895A1
公开(公告)日：2020-03-05
申请号：US16539567
申请日：2019-08-13
Applicant: Samsung Display Co., Ltd.
Inventor： Minju OH , Heeyoung LEE
Abstract: A foldable display device including: a display panel; an input sensor directly disposed on the display panel and having an upper surface; an anti-reflector disposed on the upper surface of the input sensor, the anti-reflector including: a polarizer; and at least one lower retarder disposed between the input sensor and the polarizer; an upper retarder disposed on the anti-reflector, the upper retarder having a Young's modulus of about 4 GPa to about 100 GPa; a window disposed on the upper retarder and having an upper surface facing away from the upper retarder; and at least one adhesion member disposed between the input sensor and the window, wherein a thickness from the upper surface of the input sensor to the upper surface of the window is about 130 μm to about 540 μm.
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公开(公告)号：US20220269126A1
公开(公告)日：2022-08-25
申请号：US17682636
申请日：2022-02-28
Applicant: Samsung Display Co., Ltd.
Inventor： Heeyoung LEE , Eunmi SEO
IPC: G02F1/1335 , G02F1/13363 , G02F1/1333
Abstract: A flexible display apparatus includes a bending area and a non-bending area. The flexible display apparatus further includes a display panel and a polarizing structure disposed on the display panel. The polarizing structure includes a λ/4 phase retardation layer, a linear polarizer disposed on the λ/4 phase retardation layer, and a first adhesive structure disposed between the λ/4 phase retardation layer and the linear polarizer. The linear polarizer includes a stretched polymer film. The first adhesive structure is an adhesive layer with a glass transition temperature that is greater than or equal to 40° C. and less than or equal to 150° C. Accordingly, deformation of the λ/4 phase retardation layer may be prevented or reduced when the flexible display apparatus is folded or bent, thereby improving display quality.
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公开(公告)号：US20190384111A1
公开(公告)日：2019-12-19
申请号：US16552725
申请日：2019-08-27
Applicant: Samsung Display Co., Ltd.
Inventor： Heeyoung LEE , Eunmi SEO
IPC: G02F1/1335 , G02F1/13363 , G02F1/1333
Abstract: A flexible display apparatus includes a bending area and a non-bending area. The flexible display apparatus further includes a display panel and a polarizing structure disposed on the display panel. The polarizing structure includes a λ/4 phase retardation layer, a linear polarizer disposed on the λ/4 phase retardation layer, and a first adhesive structure disposed between the λ/4 phase retardation layer and the linear polarizer. The linear polarizer includes a stretched polymer film. The first adhesive structure is an adhesive layer with a glass transition temperature that is greater than or equal to 40° C. and less than or equal to 150° C. Accordingly, deformation of the λ/4 phase retardation layer may be prevented or reduced when the flexible display apparatus is folded or bent, thereby improving display quality.
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