公开(公告)号：US12224174B2

公开(公告)日：2025-02-11

申请号：US18502583

申请日：2023-11-06

Applicant: Samsung Display Co., LTD. ,  Industry-Academic Cooperation Foundation, Yonsei University

Inventor： Mann Ho Cho ,  Kwang Sik Jeong ,  Hyeon Sik Kim ,  Hyun Eok Shin ,  Byung Soo So ,  Ju Hyun Lee

IPC: H01L21/02

Abstract: A method of manufacturing a stacked structure includes forming a first metal buffer layer including crystal grains on a base substrate, forming a second metal buffer material layer on the first metal buffer layer, and crystallizing the second metal buffer material layer to form a second metal buffer layer, wherein the second metal buffer material layer includes crystal grains, and a density of the crystal grains of the second metal buffer material layer is lower than a density of the crystal grains of the first metal buffer layer.

公开(公告)号：US12223863B2

公开(公告)日：2025-02-11

申请号：US17903468

申请日：2022-09-06

Applicant: Samsung Display Co., Ltd.

Inventor： Hai-Jung In

IPC: G09G3/00 ,  G09G3/32

Abstract: A display panel includes a pixel connected to a scan line and a data line, and a lighting test circuit which provides a lighting test voltage to the pixel through the data line. The lighting test circuit includes a first test transistor including a first electrode which receives the lighting test voltage, a second electrode and a gate electrode which receives a first test control signal, and a second test transistor including a first electrode connected to the second electrode of the first test transistor, a second electrode connected to the data line and a gate electrode which receives a second test control signal.

公开(公告)号：US20250048912A1

公开(公告)日：2025-02-06

申请号：US18678171

申请日：2024-05-30

Applicant: Samsung Display Co., LTD.

Inventor： JONGIK LEE

IPC: H10K71/00 ,  H10K59/12

Abstract: A cover glass bonding method includes: aligning each wafer of a set of organic light-emitting diode on silicon (OLEDoS) wafers and disposing the set of OLEDoS wafers on an upper table vacuum assembly system (VAS) module of a VAS device without using a carrier glass; disposing an epoxy-drawn cover glass on a lower table VAS module of the VAS device; bonding the set of OLEDoS wafers and the epoxy-drawn cover glass, wherein a working position of each wafer of the set of OLEDoS wafers is individually controlled in the upper table VAS module of the VAS device.

公开(公告)号：US20250048905A1

公开(公告)日：2025-02-06

申请号：US18734959

申请日：2024-06-05

Applicant: Samsung Display Co., LTD.

Inventor： Kyeongjong KIM ,  Yunhee PARK ,  Yiseop SHIM ,  Hyunseung LEE ,  Kyuwon CHO ,  Kyungseon TAK

IPC: H10K59/80 ,  H10K59/38

Abstract: A display apparatus includes a first light-emitting diode disposed in a first emission area, a second light-emitting diode disposed in a second emission area, a color converting-transmitting layer including a color conversion portion and a light blocking partition wall surrounding the color conversion portion, where the color conversion portion converts light emitted from one of the first light-emitting diode and the second light-emitting diode into light of a different color, a first color filter disposed on the color converting-transmitting layer corresponding to the first emission area, a second color filter corresponding to the second emission area, a third color material covering a first end portion of the first color filter and a first end portion of the second color filter, and a color adjustment layer disposed on the color converting-transmitting layer corresponding to the light blocking partition wall.

公开(公告)号：US20250048883A1

公开(公告)日：2025-02-06

申请号：US18643229

申请日：2024-04-23

Applicant: Samsung Display Co., Ltd.

Inventor： Kyung Bae KIM ,  Jin Seon KWAK ,  Do Yeong PARK ,  Ji Hye LEE

IPC: H10K59/80 ,  G09G3/3233 ,  H10K59/12 ,  H10K59/122

Abstract: A pixel is disclosed that includes: a substrate; a pixel circuit disposed on the substrate and including at least one transistor and at least one capacitor; a first contact metal disposed on the substrate and to which a constant voltage is applied; an inorganic layer covering the first contact metal; a first pixel electrode disposed on the inorganic layer and electrically connected to the pixel circuit; a pixel defining film disposed on the first pixel electrode; a second contact metal disposed on the pixel defining film and electrically connected to the first contact metal; a separator disposed on the second contact metal; an organic light emitting portion disposed on the first pixel electrode; and a second pixel electrode disposed on the organic light emitting portion and connected to the second contact metal.

公开(公告)号：US20250048863A1

公开(公告)日：2025-02-06

申请号：US18664640

申请日：2024-05-15

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Kyung Hoe LEE ,  Cheol Gon LEE ,  Mu Kyung JEON

IPC: H10K59/131 ,  G06F3/041 ,  G06F3/044 ,  G06V40/13 ,  G09G3/3233 ,  H10K39/34 ,  H10K59/40 ,  H10K59/80 ,  H10K59/88

Abstract: A display device includes a substrate; a circuit layer; and an element layer. The circuit layer includes data pad lines disposed in a second sub-region and electrically connecting between data lines and a display driving circuit; data dummy lines disposed in the second sub-region, extending from a bending region, and spaced apart from the display driving circuit; and read-out pad lines disposed in the second sub-region and electrically connecting between read-out lines and a scan driving circuit. The second sub-region includes a first line group region in which the data pad lines are disposed; second line group regions in which the data dummy lines are disposed; and a third line group region in which the read-out pad lines are disposed. At least a portion of the third line group region overlaps the second line group regions.

公开(公告)号：US20250048851A1

公开(公告)日：2025-02-06

申请号：US18589450

申请日：2024-02-28

Applicant: Samsung Display Co., Ltd.

Inventor： Kyung Bae KIM ,  Yong Hee LEE ,  Ji Hye LEE ,  Ki Hyun PYO

IPC: H10K59/123 ,  G02B27/01 ,  H10K59/122 ,  H10K59/124

Abstract: The present disclosure relates to a display device, and more particularly, to a display device capable of improving the holding force of a spacer. The display device may include a substrate; a transistor on the substrate; a first electrode connected to the transistor, and a spacer disposed on the first electrode, wherein the spacer overlaps a connection portion between the transistor and the first electrode.

公开(公告)号：US20250048837A1

公开(公告)日：2025-02-06

申请号：US18920252

申请日：2024-10-18

Applicant: Samsung Display Co., Ltd.

Inventor： Seokkyu HAN ,  Younggil PARK ,  Jeonghun KWAK ,  Kihyun KIM ,  Sungwook WOO ,  Sunwoo LEE ,  Huiyeon CHOE

IPC: H10K59/121 ,  H01L27/12 ,  H01L29/786 ,  H10K59/131

Abstract: The display apparatus includes a substrate, a first active layer disposed on the substrate, a first gate layer disposed on a layer covering the first active layer, the first gate layer including a first gate electrode, a second gate layer disposed on a layer covering the first gate layer, the second gate layer including an initialization line including a first part of a second electrode; a second active layer disposed on a layer covering the second gate layer, the second active layer including a second active region overlapping the first part of the second electrode; a third gate layer disposed on a layer covering the second active layer, the third gate layer including a second part of the second electrode overlapping the second active region; and a first source/drain layer disposed on a layer covering the third gate layer, the first source/drain layer including a first connection line.

公开(公告)号：US20250048735A1

公开(公告)日：2025-02-06

申请号：US18667362

申请日：2024-05-17

Applicant: Samsung Display Co., Ltd.

Inventor： Sung Jun KIM ,  Byoung Kwon CHOO ,  Seung Bae KANG ,  Sung Hoon MOON

IPC: H01L27/12

Abstract: According to an embodiment of the disclosure, a display device may include an active layer, a gate electrode disposed on the active layer, a first insulating layer disposed on the gate electrode, entirely covering the gate electrode, and including a flat surface, and a second insulating layer disposed on the first insulating layer and including a flat surface, and the first insulating layer and the second insulating layer may include inorganic materials different from each other.

公开(公告)号：US20250046258A1

公开(公告)日：2025-02-06

申请号：US18609648

申请日：2024-03-19

Applicant: Samsung Display Co., LTD.

Inventor： TAEGON IM ,  YOUNGMIN BAE ,  JINYOUNG JEON

IPC: G09G3/3291

Abstract: A display device includes a display panel including a plurality of pixels and a plurality of data lines connected to the pixels, and a data driver which provide a plurality of data voltages to the data lines. The data driver includes a plurality of channels, where each of the channels outputs an nth data voltage in an nth horizontal period, and outputs an (n+1)th data voltage in an (n+1)th horizontal period, where n is a natural number, a common line, a plurality of data switches, which selectively connect the channels to the data lines, respectively, a plurality of common switches, each of which selectively connects a corresponding one of the channels to the common line, and a voltage sensor which senses a common voltage of the common line.