公开(公告)号：US20240188377A1

公开(公告)日：2024-06-06

申请号：US18287692

申请日：2021-11-19

Applicant: BOE Technology Group Co., Ltd.

Inventor： Penghao GU ,  Hui ZHAO ,  Guanqin CHEN ,  Xiaojin ZHANG ,  Jianchao ZHU ,  Song ZHANG

IPC: H10K59/80 ,  H10K59/131

CPC classification number: H10K59/805 ,  H10K59/131 ,  H10K59/8722 ,  H10K59/873

Abstract: The present invention relates to the technical field of illumination. Disclosed are a light-emitting panel and a light-emitting device. The light-emitting panel comprises a base substrate, a conductive coil, a first electrode, a light-emitting layer, and a second electrode; the base substrate has a first surface and a second surface which are disposed opposite to each other; the conductive coil is disposed on the first surface of the base substrate, and the conductive coil has a first end and a second end; the first electrode is connected to the first end; the light-emitting layer is disposed on the side of the first electrode away from the base substrate; the second electrode is disposed on the side of the light-emitting layer away from the base substrate, and the second electrode is connected to the second end.

公开(公告)号：US20230345752A1

公开(公告)日：2023-10-26

申请号：US17635705

申请日：2021-04-16

Applicant: BOE Technology Group Co., Ltd.

Inventor： Xiaojin ZHANG ,  Huiyun YANG ,  Yong WU ,  Dan WANG

IPC: H10K50/12

CPC classification number: H10K50/121 ,  H10K2102/351

Abstract: The embodiments of the disclosure provide an organic electroluminescent device, including an anode, a cathode, an emitting layer arranged between the anode and the cathode, and an assistant luminescent layer located on one side, facing the anode, of the emitting layer. The assistant luminescent layer includes a first host material and a first fluorescent guest material. The emitting layer includes a second host material, a TADF material, and a second fluorescent guest material. The first host material and the first fluorescent guest material satisfy: S1(B)−T1(B)>0.2 eV; S1(B)>S1(C); T1(B)>T1(C); ∥HOMO(B)−LUMO(C)|−S1(C)|≤0.2 eV. The lowest singlet state energy of the first host material is S1(B), and the lowest triplet state energy is T1(B). The lowest singlet state energy of the first fluorescent guest material is S1(C), and the lowest triplet state energy is T1(C).

公开(公告)号：US20200243619A1

公开(公告)日：2020-07-30

申请号：US16345937

申请日：2019-01-07

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Dini XIE ,  Wei LI ,  Xiaojin ZHANG

IPC: H01L27/32 ,  G01N21/64 ,  H01L51/56

Abstract: The present disclosure provides a display panel and a method for manufacturing the same, a detection method and a display device, and relates to the field of display technology. The display panel includes one or more detection units located on a substrate, wherein at least one of the one or more detection units comprises: a first electrode layer and a second electrode layer opposite to the first electrode layer; a light emitting layer located between the first electrode layer and the second electrode layer; and a fluorescent probe layer located between the first electrode layer and the light emitting layer.

公开(公告)号：US20200035942A1

公开(公告)日：2020-01-30

申请号：US16453422

申请日：2019-06-26

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Dini XIE ,  Wei LI ,  Xiaojin ZHANG

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

Abstract: Embodiments of the present disclosure provide an OLED substrate and a fabrication method thereof, and a display panel. The method for fabricating an OLED substrate includes: forming an auxiliary cathode in a display region on a base substrate; forming an organic material functional layer in the display region on the base substrate where the auxiliary cathode is formed; applying a voltage to the auxiliary cathode to deform the auxiliary cathode, such that the organic material functional layer is ruptured by the deformed auxiliary cathode to form a connection channel; and forming a cathode in the display region on the base substrate where the organic material functional layer is formed. The cathode is electrically connected to the auxiliary cathode at the connection channel.

公开(公告)号：US20190280012A1

公开(公告)日：2019-09-12

申请号：US16062344

申请日：2017-11-07

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Dini XIE ,  Xiaojin ZHANG ,  Wei LI

IPC: H01L27/12 ,  H01L23/532 ,  H01L21/768 ,  H01L21/84

Abstract: A conductive pattern structure is provided by the embodiment of present disclosure. The conductive pattern structure includes: a first metal pattern and a second metal pattern. The second metal pattern covers at least a portion of a side surface of the first metal pattern; and an activity of a metal material of the first metal pattern is weaker than an activity of a metal material of the second metal pattern. The embodiment of present disclosure prevents the side surface of the first metal pattern from being oxidized by forming the second metal pattern covering at least a portion of the side surface of the first metal pattern, in this way, the problem that the electrical conductivity of the first metal pattern is reduced is avoided, and the problem that product yield declining is avoided.

公开(公告)号：US20190081080A1

公开(公告)日：2019-03-14

申请号：US16083057

申请日：2017-12-14

Applicant: BOE Technology Group Co., Ltd.

Inventor： Dini XIE ,  Xiaojin ZHANG ,  Wei LI

IPC: H01L27/12

Abstract: An array substrate, a method for fabricating the same and a display device are disclosed. The array substrate includes a substrate, and a first insulating layer and a thin film transistor which are arranged on the substrate in this order. The first insulating layer includes a colored region which is configured to absorb light. An orthographic projection of the colored region on the substrate at least covers an orthographic projection of the active layer of the thin film transistor on the substrate. By arranging the colored region of the first insulating layer, the light with a short wavelength from an external light source is absorbed. Thus, a channel of the active layer is protected, stable performance of a device is realized, and a service life of the device is prolonged.

公开(公告)号：US20180372565A1

公开(公告)日：2018-12-27

申请号：US15737254

申请日：2017-05-25

Applicant: Boe Technology Group Co., Ltd. ,  Ordos Yuansheng Optoelectronics Co., Ltd.

Inventor： Xiaojin ZHANG ,  Chengsheng YU ,  Dini XIE

IPC: G01L1/24

Abstract: Embodiments of this disclosure provide an optical resonance device, a force measuring device and method, a modulus measuring method and a display panel. The optical resonance device includes: a light emitting layer, a reflecting layer, and a transflective layer. The light emitting layer is configured to generate light. The reflecting layer is arranged at one side of the light emitting layer and is configured to reflect the light generated by the light emitting layer. The transflective layer is arranged at the other side of the light emitting layer and is configured to transmit a portion of the light generated by the light emitting layer and reflect a portion of the light generated by the light emitting layer. The force measuring device includes: an optical resonance device, at least one optical sensor, a bearing unit and a calculation unit.

公开(公告)号：US20170162829A1

公开(公告)日：2017-06-08

申请号：US15117563

申请日：2016-01-20

Applicant: BOE TECHNOLOGY GROUP CO., LTD. ,  ORDOS YUANSHENG OPTOELECTRONICS CO., LTD.

Inventor： Weilin LAI ,  Renrong GAI ,  Xiaojin ZHANG ,  Minghua XUAN

IPC: H01L51/52 ,  H01L51/50 ,  H01L27/32

CPC classification number: H01L51/5278 ,  H01L27/322 ,  H01L51/504 ,  H01L51/5056 ,  H01L51/5072 ,  H01L51/5088 ,  H01L51/5092 ,  H01L51/5096 ,  H01L51/5218 ,  H01L51/5234 ,  H01L2251/5315 ,  H01L2251/558

Abstract: An organic light emitting device includes: a substrate (200), and a first electrode layer (201), a second electrode layer (202), a color conversion layer (206), a first light emitting layer (203), and a second light emitting layer (204) that are stacked on the substrate (200), wherein the first light emitting layer (203) is disposed between the first electrode layer (201) and the second electrode layer (202), the first light emitting layer (203) emits the first emission light under electric excitation; the first electrode layer (201) is a transparent electrode layer, the first color conversion layer (206) is disposed at one side of the first electrode layer (201) away from the second electrode layer (202); the second light emitting layer (204) is disposed between the first light emitting layer (203) and the second electrode layer (202), the second light emitting layer (204) emits the second emission light under electric excitation; and a peak wavelength of the first emission light is larger than a peak wavelength of the first emission light in the blue light region.

公开(公告)号：US20240407187A1

公开(公告)日：2024-12-05

申请号：US18268610

申请日：2022-04-21

Applicant: BOE Technology Group Co., Ltd.

Inventor： Haiyan SUN ,  Xiaojin ZHANG ,  Dan WANG ,  Siqi WANG

IPC: H10K50/12 ,  H10K101/00 ,  H10K101/30

Abstract: The disclosure provides an organic light-emitting device and a display device, which belong to the field of display technology. The organic light-emitting device includes a light-emitting layer (600), including a first host material, a second host material, at least one auxiliary material, and at least one dopant material; the first host material and the second host material form a first composite transport material; the auxiliary material and the second host material form the second composite transport material; S1(A)>S1(CH)>S1(C); T1(A)>T1(CH)>T1(C); S1(A) is the lowest singlet state energy of the host material, S1(CH) is the lowest singlet state energy of the composite transport material, S1(C) is the lowest singlet state energy of the dopant material; T1(A) is the lowest triplet state energy of the host material, T1(CH) is the lowest triplet state energy of the composite transport material, and T1(C) is the lowest triplet state energy of the dopant material.

公开(公告)号：US20240224554A1

公开(公告)日：2024-07-04

申请号：US17914337

申请日：2021-10-28

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Yong WU ,  Xiaojin ZHANG ,  Haiyan SUN

IPC: H10K50/11 ,  H10K50/18 ,  H10K85/60 ,  H10K101/10 ,  H10K101/30 ,  H10K102/00

CPC classification number: H10K50/11 ,  H10K50/181 ,  H10K85/6572 ,  H10K85/6574 ,  H10K85/658 ,  H10K2101/10 ,  H10K2101/30 ,  H10K2102/351

Abstract: The present disclosure provides an organic electroluminescent device and a display device, belonging to the field of display technology, which can solve the problem of poor luminescent efficiency and short life of the existing organic electroluminescent devices. The organic electroluminescent device of the present disclosure comprises: a first electrode and a second electrode disposed opposite to each other, and a light-emitting layer located between the first electrode and the second electrode; the light-emitting layer comprising: a first compound, a second compound and a third compound; wherein the first compound satisfies a first general formula; the third compound satisfies a second general formula; and the second compound has a difference between a triplet energy level and a singlet energy level of less than or equal to 0.3 eV.