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公开(公告)号：US20240251628A1
公开(公告)日：2024-07-25
申请号：US18016442
申请日：2022-02-28
Inventor： Tongshang SU , Jun LIU , Yongchao HUANG , Jun CHENG , Liangchen YAN , Shengping DU
IPC: H10K59/38 , G09G3/32 , H10K59/12 , H10K59/80 , H10K102/00
CPC classification number: H10K59/38 , G09G3/32 , H10K59/1201 , H10K59/8051 , H10K59/8052 , G09G2300/0408 , H10K2102/3031
Abstract: A display substrate, a display device and a fabrication method are disclosed. The display substrate includes: a base substrate, having a first light-emitting region, a second light-emitting region and a transparent region, where an orthographic projection of the transparent region on the base substrate does not overlap an orthographic projection of the first light-emitting region on the base substrate and an orthographic projection of the second light-emitting region on the base substrate; and a light-emitting member, located on a side of the base substrate and including a bottom-emitting light-emitting unit located in the first light-emitting region and a top-emitting light-emitting unit located in the second light-emitting region.
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公开(公告)号：US20240179997A1
公开(公告)日：2024-05-30
申请号：US18483536
申请日：2023-10-10
Applicant: Japan Display Inc.
Inventor： Kaichi FUKUDA
CPC classification number: H10K59/80517 , H10K59/1201 , H10K59/8052 , H10K59/8731 , H10K2102/103
Abstract: According to one embodiment, a manufacturing method of a display device includes forming a first conductive oxide layer, forming a first metal layer at a first pressure, forming a second metal layer at a second pressure, forming a second conductive oxide layer, forming a resist having a predetermined shape, etching the second conductive oxide layer using the resist as a mask, retracting an end portion of the second metal layer relative to an end portion of the second conductive oxide layer and an edge of a lower surface of the first metal layer by etching the second metal layer and the first metal layer using the resist as a mask, etching the first conductive oxide layer using the resist as a mask, and removing the resist.
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公开(公告)号：US11937489B2
公开(公告)日：2024-03-19
申请号：US16959108
申请日：2020-04-10
Inventor： Gaozhen Wang
IPC: H10K59/80 , H01L27/146 , H10K50/84 , H10K59/12 , H10K59/122
CPC classification number: H10K59/874 , H01L27/1463 , H10K50/84 , H10K59/1201 , H10K59/122 , H10K59/8052 , H10K59/873
Abstract: The present application provides a display panel and a manufacturing method thereof. The display panel includes an array substrate, a light emitting layer, and a water and oxygen adsorption layer. The light emitting layer is disposed on the array substrate. The light emitting layer includes a pixel definition structure and a plurality of light emitting parts, the pixel definition structure includes a plurality of grooves, and the light emitting parts are disposed in the grooves. The water and oxygen adsorption layer includes a plurality of water and oxygen adsorption parts, the water and oxygen adsorption parts are disposed on the pixel definition structure, and a surface of the water and oxygen adsorption parts is convex.
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公开(公告)号：US20240049560A1
公开(公告)日：2024-02-08
申请号：US18258922
申请日：2021-12-14
Applicant: SEMICONDUCTOR ENERGY LABORATORY CO., LTD.
Inventor： Daiki NAKAMURA , Rai SATO , Ryu KOKUBO , Hiroki ADACHI
CPC classification number: H10K59/8051 , H10K71/60 , H10K59/8052 , H10K50/16 , H10K50/15 , H10K59/38
Abstract: A method for manufacturing a display apparatus having high display quality is provided. A method for manufacturing a display apparatus including first to third insulators, first and second conductors, and first and second EL layers is provided. The first conductor is formed over the first insulator, and the second insulator is formed over the first insulator and over the first conductor. A first opening portion reaching the first conductor is formed in the second insulator. A sacrificial layer is formed over the second insulator and over a bottom surface of the first opening portion, and a resist is applied over the sacrificial layer. Light exposure and development are performed on the resist, so that a second opening portion reaching the sacrificial layer is formed in a region overlapping with the first conductor. A third opening portion is formed in a region of a bottom surface of the second opening portion, and the first EL layer is formed over the resist, over the sacrificial layer, and over the first conductor. Then, the resist and the sacrificial layer are removed, whereby the first EL layer over the resist and over the sacrificial layer is removed. The second EL layer is formed over the first EL layer and over the second insulator, and the second conductor and the third insulator are formed in order over the second EL layer.
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公开(公告)号：US20240172548A1
公开(公告)日：2024-05-23
申请号：US18465901
申请日：2023-09-12
Applicant: Samsung Display Co., LTD.
Inventor： Sang Min HONG , Hyo Min KIM , NARI HEO
CPC classification number: H10K77/111 , H10K59/351 , H10K59/38 , H10K59/8051 , H10K59/8052 , H10K59/8731 , H10K59/875 , H10K59/8792 , H10K2102/302
Abstract: A light emitting display device includes: a substrate; an organic film on the substrate; a green light emitting diode on the organic film and including a first anode; a red light emitting diode on the organic film and including a second anode; a black pixel defining film having an opening exposing the first anode and an opening exposing the second anode; a cathode on the black pixel defining film, the first anode, and the second anode; an encapsulation layer covering the cathode; a light blocking member on the encapsulation layer and having an opening; and a color filter filling the opening in the light blocking member. A portion of the organic film overlapping the first anode in a plan view has a halftone exposure area, and a step of the halftone exposure area is 30 nm or less.
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公开(公告)号：US20240107803A1
公开(公告)日：2024-03-28
申请号：US18471207
申请日：2023-09-20
Applicant: LG Display Co., Ltd.
Inventor： Young-Kwun KIM
CPC classification number: H10K59/1201 , H10K59/19 , H10K59/40 , H10K59/8051 , H10K59/8052 , H10K59/873 , H10K77/111 , H10K2102/302
Abstract: A display apparatus according to an embodiment of the present disclosure comprises a display area, a first area disposed in the display area and comprising a hole region and a first pattern portion surrounding the hold region, a plurality of first patterns disposed in the first pattern portion, and a first insulating layer and a second insulating layer disposed on the plurality of first patterns, wherein the first insulating layer and the second insulating layer are spaced apart from each other between the plurality of first patterns, and wherein the first insulating layer and the second insulating layer are in contact with each other on an upper surface of each of the plurality of first patterns.
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公开(公告)号：US20240081128A1
公开(公告)日：2024-03-07
申请号：US18338481
申请日：2023-06-21
Applicant: Samsung Display Co., Ltd.
Inventor： KYONGTAE YU
IPC: H10K59/80 , H10K59/122 , H10K71/13
CPC classification number: H10K59/8051 , H10K59/122 , H10K59/8052 , H10K71/135 , H10K2102/351
Abstract: A method for manufacturing a display device, includes discharging ink containing a solvent onto a substrate to form a preliminary functional layer, providing a temperature control member on a lower surface of the substrate, providing a drying member having a plurality of thermally conductive balls on an upper surface of the substrate, and drying the preliminary functional layer by the drying member.
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公开(公告)号：US20240074248A1
公开(公告)日：2024-02-29
申请号：US18495815
申请日：2023-10-27
Applicant: Japan Display Inc.
Inventor： Shinichi KAWAMURA , Nobuo IMAI , Hiroshi OGAWA
IPC: H10K59/122 , H10K59/80
CPC classification number: H10K59/122 , H10K59/8051 , H10K59/8052 , H10K71/231
Abstract: According to one embodiment, a display device comprises a first lower electrode, a rib including a first pixel aperture, a partition including a lower portion on the rib and an upper portion protruding from a side surface of the lower portion, a first upper electrode, and a first organic layer between the first lower electrode and the first upper electrode. The lower portion includes a bottom layer and a stem layer on the bottom layer. The bottom layer is formed of a material which has a smaller etching rate to a mixed acid containing phosphoric acid, nitric acid, and acetic acid than the stem layer and which is conductive.
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公开(公告)号：US20240023370A1
公开(公告)日：2024-01-18
申请号：US17608142
申请日：2021-07-21
Applicant: Wuhan China Star Optoelectronics Technology Co., Ltd. , Wuhan China Star Optoelectronics Semiconductor Display Technology Co., Ltd.
Inventor： Yepeng XIANG
CPC classification number: H10K59/1201 , H10K59/80516 , H10K59/8052 , H10K71/30 , H10K50/12 , H10K50/155 , H10K85/6572 , H10K85/631 , H10K85/654 , H10K50/16 , H10K2102/302
Abstract: An organic light emitting diode and a manufacturing method thereof, and a display panel are provided. The organic light emitting diode includes an anode layer, a hole transport layer, and a hole injection layer located between the anode layer and the hole transport layer. The hole injection layer has a work function of which a value increases in a direction from the anode layer toward the hole transport layer, and thus, an injection barrier between the anode layer and the hole transport layer is reduced and thereby improving the luminescent efficiency of the organic light emitting diode.
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公开(公告)号：US20240357893A1
公开(公告)日：2024-10-24
申请号：US18511210
申请日：2023-11-16
Applicant: HKC CORPORATION LIMITED
Inventor： Qin LIANG , Zhi YANG , Yangling TANG , Xiufeng ZHOU , Baohong KANG
IPC: H10K59/131 , H10K59/122 , H10K59/80
CPC classification number: H10K59/1315 , H10K59/122 , H10K59/8052
Abstract: Provided are a display panel and a display terminal. The display panel includes a display region and a non-display region surrounding the display region. The display panel includes a cathode signal trace and a cathode layer, the cathode signal trace includes a first trace part, and the first trace part is located in the display region, the cathode layer is located at one side of the cathode signal trace, covers the display region, and is electrically connected to the first trace part.
