公开(公告)号：US20180318875A1

公开(公告)日：2018-11-08

申请号：US15841152

申请日：2017-12-13

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Chinlung LIAO ,  Guang YAN ,  Chang Yen WU

IPC: B05D3/06 ,  B05D3/00 ,  B05D1/02

Abstract: A film production method and system are provided. The film production method includes: forming an ink layer on the base substrate covering the surface of the base substrate, the ink layer including a solvent and a film-forming material dissolved in the solvent; blowing gas to the ink layer so that the solvent in the ink layer spreads towards the periphery of the base substrate; removing the solvent in the ink layer so that the film-forming material in the ink layer forms a film covering the surface of the base substrate. The film production system applies to the film production method described above.

公开(公告)号：US20180190728A1

公开(公告)日：2018-07-05

申请号：US15562875

申请日：2017-04-11

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Changyen WU ,  Guang YAN ,  Yue HU ,  Yingying SONG

IPC: H01L27/32 ,  H01L51/50 ,  H01L51/52 ,  H01L51/56

CPC classification number: H01L27/3213 ,  H01L27/3209 ,  H01L27/322 ,  H01L51/504 ,  H01L51/5209 ,  H01L51/5225 ,  H01L51/5278 ,  H01L51/56

Abstract: This disclosure relates to an electroluminescent display, a manufacture method thereof, and a display device. The electroluminescent display device comprises: a substrate, and a plurality of pixel units arranged in an array on the substrate. Each pixel unit comprises a plurality of sub-pixel units. Each pixel unit comprises at least two light-emitting layers connected in series. Furthermore, in each pixel unit, at least one light-emitting layer comprises at least two light-emitting units arranged in parallel and emitting light of different colors. Besides, in each pixel unit, at least one light-emitting unit is configured to be shared by two adjacent sub-pixel units of a corresponding pixel unit.

公开(公告)号：US20170162634A1

公开(公告)日：2017-06-08

申请号：US15321805

申请日：2016-04-13

Applicant: BOE Technology Group Co., Ltd.

Inventor： Guang YAN ,  Chang-Yen WU

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

CPC classification number: H01L27/3218 ,  H01L27/3213 ,  H01L27/322 ,  H01L51/5012 ,  H01L51/5056 ,  H01L51/5072 ,  H01L51/5088 ,  H01L51/5092 ,  H01L51/5218 ,  H01L51/5234 ,  H01L2251/558

Abstract: An OLED display device includes a substrate and an OLED display units formed on the substrate, in which n is an integer which is greater than 1. The OLED display unit comprises: a first electrode, a first functional layer, a second electrode, a second functional layer, and a first light-emitting layer and a second light-emitting layer disposed between the first functional layer and the second functional layer; the first functional layer is disposed above the first electrode and the second functional layer is disposed below the second electrode, or, the first functional layer is disposed below the first electrode and the second functional layer is disposed above the second electrode. Wherein, the first light-emitting layer and the second light-emitting layer are disposed side by side in a horizontal direction, and, each of the light-emitting layers corresponds to at least two sub-pixels in the OLED display unit.

公开(公告)号：US20160172621A1

公开(公告)日：2016-06-16

申请号：US14436840

申请日：2014-08-07

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Zhiqiang JIAO ,  Wenjun HOU ,  Guang YAN ,  Juanjuan YOU

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

CPC classification number: H01L51/5246 ,  H01L27/1222 ,  H01L27/1225 ,  H01L27/3262 ,  H01L51/5256 ,  H01L51/56 ,  H01L2251/558

Abstract: An encapsulation structure, an organic electroluminescent device and an encapsulation method thereof are provided. The organic electroluminescent device comprises a substrate, an electroluminescent structure disposed on the substrate, a water/oxygen barrier bank (4) disposed on the substrate and arranged around the electroluminescent structure to form a closed ring structure, and a sealing thin film which covers the electroluminescent structure and a periphery of which is hermetically matched with the water/oxygen barrier bank. The organic electroluminescent device is conducive to the realization of the narrow-frame design of the organic electroluminescent device.

Abstract translation: 提供封装结构，有机电致发光器件及其封装方法。 有机电致发光器件包括衬底，设置在衬底上的电致发光结构，设置在衬底上并设置在电致发光结构周围以形成闭环结构的水/氧阻挡层（4），以及密封薄膜，其覆盖 电致发光结构，其周边与水/氧屏障库密切配合。 有机电致发光器件有利于实现有机电致发光器件的窄框架设计。

公开(公告)号：US20240224578A1

公开(公告)日：2024-07-04

申请号：US18556850

申请日：2021-10-22

Applicant: BOE Technology Group Co., Ltd.

Inventor： Linlin WANG ,  Changyen WU ,  Juanjuan YOU ,  Yongqi SHEN ,  Bin BU ,  Wenfeng SONG ,  Guang YAN ,  Li SUN ,  Dacheng ZHANG

IPC: H10K50/818 ,  H10K50/16 ,  H10K50/17 ,  H10K50/82 ,  H10K50/852 ,  H10K102/00

CPC classification number: H10K50/818 ,  H10K50/16 ,  H10K50/171 ,  H10K50/82 ,  H10K50/852 ,  H10K2102/351

Abstract: An electroluminescent device and a display apparatus, for improving the efficiency and prolonging the service life of the electroluminescent device. The electroluminescent device comprises: an anode comprising a reflective material; a cathode arranged opposite to the anode and comprising a transflective material; n light-emitting functional layers laminated between the anode and the cathode, wherein n is an integer greater than 1; and each light-emitting functional layer comprises a light-emitting layer and an electron transport layer located at the side of the light-emitting layer close to the cathode, wherein the thickness of the electron transport layer in the light-emitting functional layer closest to the cathode is greater than that of the electron transport layers in the remaining light-emitting functional layers; and (n−1) charge generation layers located between two adjacent light-emitting functional layers.

公开(公告)号：US20210408503A1

公开(公告)日：2021-12-30

申请号：US16470631

申请日：2018-11-15

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Donghui YU ,  Guang YAN ,  Chunjing HU

IPC: H01L51/56 ,  H01L51/50 ,  H01L27/32

Abstract: An inkjet printing method of an array substrate, an array substrate, and a display device are disclosed. The array substrate includes n kinds of sub-pixels; and the inkjet printing method includes: recording a solvent volume required for inkjet printing of an i-th kind of sub-pixel as Vi; calculating an Xi value for each kind of the n kinds of sub-pixels, in which Xi=Vi/V1, and V1 refers to a solvent volume required for inkjet printing of a first kind of sub-pixels; taking a greatest common divisor of the Xi values of the n kinds of sub-pixels, and recording the greatest common divisor as G; and dividing the i-th kind of sub-pixel into Xi/G subunits with equal areas, and performing inkjet printing on each of the subunits of the i-th kind of sub-pixel with a solvent volume of V1*G to form a film layer.

公开(公告)号：US20200294449A1

公开(公告)日：2020-09-17

申请号：US16648522

申请日：2019-03-15

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Ling WANG ,  Pan XU ,  Yi Cheng LIN ,  Xing ZHANG ,  Ying HAN ,  Guang YAN

IPC: G09G3/3258 ,  G09G3/3291 ,  G09G3/3266

Abstract: Disclosed are a pixel array substrate and a driving method thereof, a display panel, and a display device. The pixel array substrate includes a plurality of pixel units arranged in a plurality of pixel rows, and common electrodes distributed in the plurality of pixel rows. Each of the plurality of pixel units includes a light emitting element, first electrodes of light emitting elements of a plurality of pixel units in each of the plurality of pixel rows are electrically connected with each other to form a common electrode in the each of the plurality of pixel rows, and the common electrodes in the plurality of pixel rows are insulated from each other.

公开(公告)号：US20200227666A1

公开(公告)日：2020-07-16

申请号：US15751445

申请日：2017-06-19

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Xing FAN ,  Guang YAN

IPC: H01L51/50

Abstract: This disclosure relates to an organic electroluminescent device, comprising: a light emitting layer comprising a plurality of light emitting regions arranged in an array, each light emitting region being an organic electroluminescent region; an electron transport layer, a cathode and a transflective layer successively disposed in a first direction from the light emitting layer towards a light emergent side of the organic electroluminescent device starting from the light emitting layer; and a hole transport layer, an anode and a reflective layer successively disposed in a second direction opposite to the first direction starting from the light emitting layer. In addition, in a projection region of at least one light emitting region on the hole transport layer, the hole transport layer has at least two portions of different thicknesses for selecting a wavelength range of light emitted by the at least one light emitting region and/or enhancing the emitted light.

公开(公告)号：US20180331162A1

公开(公告)日：2018-11-15

申请号：US15844182

申请日：2017-12-15

Applicant: BOE Technology Group Co., Ltd.

Inventor： Chang Yen WU ,  Chinlung LIAO ,  Guang YAN ,  Qing DAI

IPC: H01L27/32 ,  H01L51/52

CPC classification number: H01L27/3211 ,  G09G2300/0452 ,  H01L51/5206 ,  H01L51/5234

Abstract: The disclosure relates to a pixel element, a method for driving the same, a display panel, and a display device. The pixel element includes at least two sub-pixels, each of which includes a first electrode, a first light emitting layer, a second electrode, a second light emitting layer, and a third electrode arranged in that order, wherein there is at least one sub-pixel which includes a first light emitting layer and a second light emitting layer with different emission colors; and a total number of emission colors of all light emitting layers in the at least two sub-pixels is at least three.

公开(公告)号：US20170271413A1

公开(公告)日：2017-09-21

申请号：US15235158

申请日：2016-08-12

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Chinlung LIAO ,  Guang YAN

IPC: H01L27/32 ,  H01L51/56

CPC classification number: H01L27/322 ,  H01L27/3209 ,  H01L27/3276 ,  H01L51/56

Abstract: The present invention discloses a pixel structure, an organic light emitting display panel and a method for fabricating the same, and a display device. The pixel structure includes a plurality of organic light emitting diodes capable of emitting light of multiple colors and a plurality of light filtering portions provided at a light emitting side of the plurality of organic light emitting diodes, wherein each light filtering portion is provided in correspondence with each of a part of the organic light emitting diodes, such that light emitted from each of the part of the organic light emitting diodes passes through corresponding light filtering portion while light emitted from the remaining of the organic light emitting diodes does not pass through any light filtering portion, and the light filtering portions each process light having a color corresponding to the color of light emitted by corresponding organic light emitting diode.