公开(公告)号：US11234337B2

公开(公告)日：2022-01-25

申请号：US17083794

申请日：2020-10-29

Applicant: LG Display Co., Ltd.

Inventor： JiHun Song ,  Hoiyong Kwon

IPC: H05K5/00

Abstract: A display device includes a display panel; a back cover supporting the display panel on a rear surface of the display panel; one or more flexible films electrically connected to one end of the display panel and on a surface of the back cover; a film cover covering the flexible films and the end of the display panel; a printed circuit board electrically connected to the flexible films and on the surface of the back cover; and a roller having a first flat portion, a second flat portion, and a curved portion. The display panel and the back cover are wound around or unwound from the roller. The end of the display panel is in line with the first flat portion while the printed circuit board is in line with the second flat portion when the display panel and the back cover are fully wound around the roller.

公开(公告)号：US10777629B2

公开(公告)日：2020-09-15

申请号：US16172259

申请日：2018-10-26

Applicant: LG Display Co., Ltd.

Inventor： Hoiyong Kwon ,  MiReum Lee

IPC: H01L27/22 ,  H01L27/32 ,  H01L51/56 ,  H01L51/52 ,  H01L51/00

Abstract: Disclosed are a display apparatus and a method for manufacturing the same. The display apparatus comprises: a multi-buffer layer; a pixel array layer formed on the multi-buffer layer and including a plurality of pixels respectively formed as the intersections of a plurality of gate lines and a plurality of data lines; an encapsulation layer formed on the pixel array layer; and an encapsulation substrate formed on the encapsulation layer and including a display area and a non-display area adjacent to the display area, wherein, the encapsulation substrate is for supporting the display area and the non-display area such that there is no base substrate in the display apparatus.

公开(公告)号：US10707438B2

公开(公告)日：2020-07-07

申请号：US16226404

申请日：2018-12-19

Applicant: LG DISPLAY CO., LTD.

Inventor： Hoiyong Kwon ,  SeYeoul Kwon

IPC: H01L27/14 ,  H01L29/04 ,  H01L31/036 ,  H01L51/52 ,  H01L27/32

Abstract: A light emitting display device includes a substrate including a plurality of sub pixel areas having an emission area and an anode contact area, a driving thin film transistor disposed in each of the plurality of sub pixel areas, a planarization layer disposed on the substrate, a cathode electrode disposed on the planarization layer overlapped with the emission area, a plurality of connection electrode patterns disposed on the planarization layer overlapped with the anode contact area, and connected with respective source electrodes of the driving thin film transistors disposed in the plurality of sub pixel areas by one-to-one correspondence, an emission layer disposed on the cathode electrode, and a plurality of anode electrodes disposed on the emission layer, and connected with the plurality of connection electrode patterns through the anode contact area by one-to-one correspondence.

公开(公告)号：US09691833B2

公开(公告)日：2017-06-27

申请号：US14838631

申请日：2015-08-28

Applicant: LG Display Co., Ltd.

Inventor： Saeroonter Oh ,  Seungmin Lee ,  Juheyuck Baeck ,  Hoiyong Kwon ,  Jeyong Jeon ,  Dohyung Lee

IPC: H01L29/10 ,  H01L27/32 ,  H01L29/786 ,  H01L27/12

CPC classification number: H01L27/3262 ,  G09G2300/0426 ,  H01L27/1222 ,  H01L27/124 ,  H01L27/1251 ,  H01L29/78675 ,  H01L29/7869

Abstract: The present invention relates to a thin film transistor substrate having two different types of semiconductor materials on the same substrate, and a display using the same. A disclosed display may include a substrate, a first thin film transistor having a polycrystalline semiconductor material on the substrate and a second thin film transistor having an oxide semiconductor material on the substrate.

公开(公告)号：US09449994B2

公开(公告)日：2016-09-20

申请号：US14588180

申请日：2014-12-31

Applicant: LG Display Co., Ltd.

Inventor： Hoiyong Kwon ,  MiReum Lee ,  Hyoung-Su Kim

IPC: H01L27/32 ,  H01L29/786 ,  H01L27/12

CPC classification number: H01L27/1248 ,  G09G3/3233 ,  G09G2300/0417 ,  G09G2300/0852 ,  G09G2300/0861 ,  G09G2310/0251 ,  G09G2310/0262 ,  H01L27/1222 ,  H01L27/1225 ,  H01L27/1229 ,  H01L27/1237 ,  H01L27/124 ,  H01L27/1251 ,  H01L27/3276

Abstract: There is provided a TFT backplane having at least one TFT with oxide active layer and at least one TFT with poly-silicon active layer. In the embodiments of the present disclosure, at least one of the TFTs implementing the circuit of pixels in the active area is an oxide TFT (i.e., TFT with oxide semiconductor) while at least one of the TFTs implementing the driving circuit next to the active area is a LTPS TFT (i.e., TFT with poly-Si semiconductor).

公开(公告)号：US12272272B2

公开(公告)日：2025-04-08

申请号：US17541033

申请日：2021-12-02

Applicant: LG Display Co., Ltd.

Inventor： JiHun Song ,  Hoiyong Kwon

IPC: G06F1/16 ,  G09F9/30

Abstract: A display device can include a display panel, a cover supporting a rear surface of the display panel and including a plurality of openings in the cover, a roller configured to wind and unwind the display panel and the cover, and an adhesive unit bonding the display panel with the cover. The adhesive unit includes a first adhesive member, a base layer disposed on the first adhesive member and having a plurality of patterns, and a second adhesive member disposed on the base layer.

公开(公告)号：US11763701B2

公开(公告)日：2023-09-19

申请号：US17091991

申请日：2020-11-06

Applicant: LG Display Co., Ltd.

Inventor： JiHun Song ,  Hoiyong Kwon

IPC: H01L51/52 ,  H01L51/00 ,  G02F1/133 ,  G09F9/30 ,  G02F1/1335

CPC classification number: G09F9/301 ,  H01L51/5246 ,  H01L51/5293 ,  G02F1/133528 ,  H01L2251/5338

Abstract: A display device includes a display panel; a back cover supporting the display panel on a rear surface of the display panel; a roller disposed on a rear surface of the back cover, wherein the display panel and the back cover are wound around or unwound from the roller; a flexible film electrically connected to a pad area of the display panel; and a sealing layer disposed to cover an end of the flexible film. At least some of elements of the display panel including a substrate may be extended beyond the sealing layer. Accordingly, it is possible to prevent cracks in the display panel due to the pressing by the cover plate and the overflow of the sealant, thereby solving the issues of driving failure and reliability of the display panel.

公开(公告)号：US11678446B2

公开(公告)日：2023-06-13

申请号：US16990178

申请日：2020-08-11

Applicant: LG Display Co., Ltd.

Inventor： JiHun Song ,  ChounSung Kang ,  Mi-Na Shin ,  Hoiyong Kwon ,  GeunChang Park

IPC: H05K5/02 ,  H05K5/00 ,  H05K7/20

CPC classification number: H05K5/0217 ,  H05K5/0017 ,  H05K7/20954

Abstract: A display device may include a display panel, a first back cover disposed on a rear surface of the display panel, at least one flexible film which is electrically connected to one end of the display panel and is bent toward a rear surface of the first back cover or a front surface of the display panel, and a printed circuit board which is electrically connected to the at least one flexible film and disposed on the rear surface of the first back cover or the at least one flexible film. The printed circuit board overlaps one end of the display panel. Accordingly, one end of the display panel in which the pad area which is vulnerable to the stress is disposed and the printed circuit board are maintained to be flat, to minimize the damage of the display device.

公开(公告)号：US11502154B2

公开(公告)日：2022-11-15

申请号：US16993136

申请日：2020-08-13

Applicant: LG Display Co., Ltd.

Inventor： Hoiyong Kwon ,  MiReum Lee

IPC: H01L27/32 ,  H01L51/56 ,  H01L51/52 ,  H01L51/00

Abstract: Disclosed are a display apparatus and a method for manufacturing the same. The display apparatus comprises: a multi-buffer layer; a pixel array layer formed on the multi-buffer layer and including a plurality of pixels respectively formed as the intersections of a plurality of gate lines and a plurality of data lines; an encapsulation layer formed on the pixel array layer; and an encapsulation substrate formed on the encapsulation layer and including a display area and a non-display area adjacent to the display area, wherein, the encapsulation substrate is for supporting the display area and the non-display area such that there is no base substrate in the display apparatus.

公开(公告)号：US20220037625A1

公开(公告)日：2022-02-03

申请号：US17379055

申请日：2021-07-19

Applicant: LG Display Co., Ltd.

Inventor： JiHun Song ,  Hoiyong Kwon

IPC: H01L51/52

Abstract: The display device includes a display panel including an active area and a non-active area; and a polarization plate on the display panel, the polarization plate including a polarization layer. The polarization layer includes a first pattern corresponding to the active area and a second pattern corresponding to the non-active area, and the second pattern is spaced apart from the first pattern. Thus, it is possible to delay moisture absorption of a polarization layer.