公开(公告)号：US20240341127A1

公开(公告)日：2024-10-10

申请号：US18746413

申请日：2024-06-18

Applicant: Applied Materials, Inc.

Inventor： Jungmin LEE ,  Chung-chia CHEN ,  Ji Young CHOUNG ,  Yu-Hsin LIN

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

CPC classification number: H10K59/122 ,  H10K59/1201 ,  H10K59/80521

Abstract: Embodiments described herein relate to a sub-pixel. The sub-pixel includes an anode, overhang structures, separation structures, an organic light emitting diode (OLED) material, and a cathode. The anode is defined by adjacent first pixel isolation structures (PIS) and adjacent second PIS. The overhang structures are disposed on the first PIS. The overhang structures include a second structure disposed over the first structure and an intermediate structure disposed between the second structure and the first structure. A bottom surface of the second structure extends laterally past an upper surface of the first structure. The first structure is disposed over the first PIS. Separation structures are disposed over the second PIS. The OLED material is disposed over the anode and an upper surface of the separation structures. The cathode disposed over the OLED material and an upper surface of the separation structures.

公开(公告)号：US20240315076A1

公开(公告)日：2024-09-19

申请号：US18028017

申请日：2022-06-24

Applicant: BOE Technology Group Co., Ltd.

Inventor： Shanshan Bai ,  Jianchao Zhu ,  Guangliang Shang ,  Danyang Ma

IPC: H10K59/121 ,  C23C14/04 ,  H10K59/35 ,  H10K59/80 ,  H10K71/16

CPC classification number: H10K59/121 ,  C23C14/042 ,  H10K59/80521 ,  H10K59/353 ,  H10K71/166

Abstract: A display panel includes a first displaying region and a second displaying region; the second displaying region is located in a first region of a display surface of the display panel, and a pixel density of the second displaying region is a preset multiple of a pixel density of the first displaying region, whereby a transmittance of the second displaying region is greater than a transmittance of the first displaying region; the second displaying region is provided with first cathode-removal regions, and the first cathode-removal regions are located in gaps between at least two pixel units in the second displaying region; and the preset multiple is a multiple value less than 1 and greater than 0, and the first region is a region facing a region of a bottom of the display surface of the display panel where a functional element is provided.

公开(公告)号：US20240306466A1

公开(公告)日：2024-09-12

申请号：US18271914

申请日：2022-01-05

Applicant: Semiconducter Energy Laboratory Co., Ltd.

Inventor： Shunpei Yamazaki ,  Kenichi OKAZAKI ,  Shingo EGUCHI

IPC: H10K59/38 ,  H10K59/123 ,  H10K59/80 ,  H10K71/60

CPC classification number: H10K59/38 ,  H10K59/123 ,  H10K59/80521 ,  H10K59/879 ,  H10K71/60

Abstract: A display device capable of displaying a high-quality image is provided. The display device includes a first light-emitting element, a second light-emitting element, and a gap. The first light-emitting element includes a first lower electrode, a first EL layer over the first lower electrode, and an upper electrode over the first EL layer. The second light-emitting element includes a second lower electrode, a second EL layer over the second lower electrode, and the upper electrode over the second EL layer. The first light-emitting element is adjacent to the second light-emitting element. The gap is provided between the first lower electrode and first EL layer and the second lower electrode and second EL layer.

公开(公告)号：US20240244931A1

公开(公告)日：2024-07-18

申请号：US18623571

申请日：2024-04-01

Applicant: Xiamen Tianma Display Technology Co., Ltd.

Inventor： Jiansheng Zhong ,  Jinjin Yang ,  Shui He

IPC: H10K59/80 ,  H10K59/12 ,  H10K102/00

CPC classification number: H10K59/873 ,  H10K59/1201 ,  H10K59/80521 ,  H10K2102/351

Abstract: A display panel includes a partition retaining wall, the partition retaining wall includes a metal partition portion and an insulating retaining wall portion, a sidewall on one side of the metal partition portion facing away from the insulating retaining wall portion includes a first recess structure, and the cathode layer is separated at the first recess structure.

公开(公告)号：US20240224563A1

公开(公告)日：2024-07-04

申请号：US18474791

申请日：2023-09-26

Applicant: LG Display Co., Ltd.

Inventor： Howon CHOI ,  Taehyeon KIM

IPC: H10K50/115 ,  H10K59/122 ,  H10K59/80

CPC classification number: H10K50/115 ,  H10K59/122 ,  H10K59/80515 ,  H10K59/80521 ,  H10K59/878

Abstract: The present disclosure relates to a light emitting display in which the light extracting efficiency is improved by using nano patterns (or nano particles). A light emitting display includes a substrate including a first pixel and a second pixel. The light emitting display includes a buffer layer on the substrate. The light emitting display includes a nano layer on the buffer layer. The light emitting display includes an anode electrode on the nano layer. The light emitting display includes a reflective layer between the buffer layer and the anode electrode.

公开(公告)号：US20240206241A1

公开(公告)日：2024-06-20

申请号：US18522318

申请日：2023-11-29

Applicant: Japan Display Inc.

Inventor： Nobuo IMAI ,  Hiroshi OGAWA ,  Yuya YAMAMOTO

IPC: H10K59/122 ,  H10K59/80 ,  H10K71/60

CPC classification number: H10K59/122 ,  H10K59/80521 ,  H10K59/8722 ,  H10K71/60

Abstract: According to one embodiment, a display device includes a lower electrode, a rib including a pixel aperture, a partition which includes a conductive bottom portion on the rib, a stem portion on the bottom portion, and a top portion on the stem portion, an organic layer which covers the lower electrode through the pixel aperture, and an upper electrode which covers the organic layer and is in contact with the bottom portion. The bottom portion and the top portion protrude from a side surface of the stem portion. A first protrusion length of the bottom portion from the side surface is greater than or equal to 0.2 μm and less than or equal to 0.7 μm.

公开(公告)号：US20240188371A1

公开(公告)日：2024-06-06

申请号：US17759808

申请日：2022-07-13

Applicant: WUHAN CHINA STAR OPTOELECTRONICS SEMICONDUCTOR DISPLAY TECHNOLOGY CO., LTD.

Inventor： Na Liu ,  Wenxu Xianyu ,  Chunpeng Zhang

IPC: H10K59/40 ,  G06F3/041 ,  G06F3/044 ,  H10K59/122 ,  H10K59/124 ,  H10K59/80

CPC classification number: H10K59/40 ,  G06F3/0412 ,  G06F3/0443 ,  G06F3/0446 ,  H10K59/122 ,  H10K59/124 ,  H10K59/80521 ,  G06F2203/04107

Abstract: Provided is a display panel, which comprises an anode layer, a light-emitting functional layer, and a cathode layer, wherein the light-emitting functional layer is disposed on the anode layer and the cathode layer is disposed on the light-emitting functional layer and comprises a plurality of cathode units. Each of the cathode units comprises a first electrode and a second electrode that are insulated from each other, wherein the second electrode is disposed at a periphery of the first electrode.

公开(公告)号：US20240040894A1

公开(公告)日：2024-02-01

申请号：US17638872

申请日：2022-02-14

Applicant: Wuhan China Star Optoelectronics Semiconductor Display Technology Co., Ltd.

Inventor： Meng JIN ,  Lei LV ,  Lin YANG

IPC: H10K59/80 ,  H10K59/126

CPC classification number: H10K59/80515 ,  H10K59/126 ,  H10K59/80521

Abstract: The present application provides a display panel and a display device, the display panel includes a first display area and a second display area, wherein a light emitting layer of the display panel includes a plurality of first pixels disposed in the first display area and a plurality of second pixels disposed in the second display area, and in the first display area, a first opening is provided between a second electrode layer and adjacent first pixels, so as to improve a light transmittance of the first display area, and alleviate a problem of a poor light transmittance of a display screen in which a conventional under-screen camera technology is applied.

公开(公告)号：US11882731B2

公开(公告)日：2024-01-23

申请号：US17264446

申请日：2020-04-21

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Kuanta Huang ,  Hui Tong ,  Xiong Yuan ,  Xiaobin Shen ,  Yu Wang ,  Qing Wang ,  Shipeng Li ,  Chao Yang ,  Shangquan Shi ,  Yongfa Dong ,  Dongsheng Li

IPC: H10K59/122 ,  H10K50/844 ,  H10K71/00 ,  H10K59/80

CPC classification number: H10K59/122 ,  H10K50/844 ,  H10K59/80521 ,  H10K71/00

Abstract: A display panel includes a substrate, a planarization layer disposed at a side of the substrate being provided with partitioning slots to form driving areas in an array; a first electrode layer on the planarization layer having first electrodes; wherein orthographic projections of the first electrodes on the planarization layer are within the driving areas; each of the first electrodes includes a planar center portion and an edge portion, the edge portion includes a planarization portion surrounding the center portion and a slope portion connected between the center portion and the planarization portion; a pixel definition layer on the planarization layer that exposes part of the center portion; a light-emitting functional layer covering the pixel definition layer, the center portion being exposed by the pixel definition layer and the planarization layer and a second electrode covering the light-emitting functional layer.

公开(公告)号：US20240016029A1

公开(公告)日：2024-01-11

申请号：US17419711

申请日：2021-06-07

Applicant: Qing Tu

Inventor： Qing Tu

IPC: H10K59/80 ,  H10K59/123

CPC classification number: H10K59/80518 ,  H10K59/80521 ,  H10K59/80515 ,  H10K59/123 ,  H10K2102/103

Abstract: A display panel is provided. The display panel includes an array substrate and an anode layer disposed on the array substrate. The anode layer includes a first conductive layer and a second conductive layer located on the first conductive layer. A surface of the first conductive layer toward the second conductive layer is provided with a first grating structure. A light emitting layer is disposed on the second conductive layer. By disposing the first grating structure on the first conductive layer, surface plasmon effect and waveguide effect occurring in a dielectric layer near the anode are weakened.