公开(公告)号：US09589506B2

公开(公告)日：2017-03-07

申请号：US14442794

申请日：2014-09-10

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Guang Yan ,  Hongfei Cheng ,  Li Sun ,  Changyen Wu ,  Minghung Hsu ,  Shibo Jiao ,  Juanjuan You ,  Zhiqiang Jiao ,  Yanli Wang ,  Deming Liu

IPC: G09G3/3233 ,  G09G3/32 ,  H01L51/50 ,  H01L51/52 ,  H01L51/56 ,  H01L27/32 ,  G09G3/20

CPC classification number: G09G3/3233 ,  G09G3/2003 ,  G09G3/32 ,  G09G2300/0426 ,  G09G2300/0443 ,  G09G2320/043 ,  G09G2320/0626 ,  G09G2320/0666 ,  H01L27/32 ,  H01L27/3209 ,  H01L51/50 ,  H01L51/5036 ,  H01L51/504 ,  H01L51/52 ,  H01L51/5206 ,  H01L51/5221 ,  H01L51/56 ,  H01L2251/5353 ,  H01L2251/5361 ,  H01L2251/564

Abstract: The present invention discloses organic light emitting device, manufacturing method thereof, organic light emitting display device and driving method thereof. The organic light emitting device comprises a substrate and a first electrode layer, an organic layer and a second electrode layer positioned on the substrate, the organic layer is arranged between the first and second electrode layers, the first electrode layer, the organic layer and the second electrode layer form a laminated region for emitting light in a first specific color in a positive half cycle of alternating current and an inverted region for emitting light in a second specific color in a negative half cycle of alternating current, and at least portions of projections of the laminated region and the inverted region on the substrate are not overlapped. Technical solutions of the present invention render the organic light emitting device with adjustable light color and prolonged service life.

Abstract translation: 本发明公开了有机发光装置及其制造方法，有机发光显示装置及其驱动方法。 有机发光器件包括基板和位于基板上的第一电极层，有机层和第二电极层，有机层布置在第一和第二电极层之间，第一电极层，有机层和 第二电极层形成用于在交流电的正半周期中以第一特定颜色发光的层叠区域和用于以交变电流的负半周期发射第二特定颜色的反射区域，以及至少部分突起 的层叠区域和反转区域不重叠。 本发明的技术方案使有机发光装置具有可调光色和延长的使用寿命。

公开(公告)号：US20160372695A1

公开(公告)日：2016-12-22

申请号：US14776556

申请日：2015-02-15

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Wentao Bi ,  Zhiqiang Jiao

IPC: H01L51/50 ,  H01L51/56 ,  H01L51/00 ,  H01L27/32

CPC classification number: H01L51/5008 ,  H01L27/3209 ,  H01L51/001 ,  H01L51/002 ,  H01L51/0046 ,  H01L51/005 ,  H01L51/0055 ,  H01L51/0058 ,  H01L51/006 ,  H01L51/0072 ,  H01L51/0078 ,  H01L51/5278 ,  H01L51/56 ,  H01L2251/301 ,  H01L2251/303 ,  H01L2251/5346 ,  H01L2251/558

Abstract: The present disclosure provides a laminated organic electroluminescent device and a method of manufacturing the same, and a display device comprising the laminated organic electroluminescent device, for reducing number of layers of and improving luminescence efficiency of the laminated organic electroluminescent device. The laminated organic electroluminescent device comprises at least two stacked light emitting units, and a connection layer for connecting two adjacent light emitting units, each light emitting unit comprising a light emitting layer; the connection layer comprises a lower sub-connection layer and an upper sub-connection layer stacked and connected with each other, and at least one of the sub-connection layers is a gradually-doped connection layer in direct contact with its adjacent light emitting layer.

Abstract translation: 本公开内容提供了一种叠层有机电致发光器件及其制造方法，以及包括层叠有机电致发光器件的显示器件，用于减少叠层有机电致发光器件的层数并提高层状有机电致发光器件的发光效率。 层叠有机电致发光器件包括至少两个堆叠的发光单元和用于连接两个相邻的发光单元的连接层，每个发光单元包括发光层; 连接层包括彼此层叠并连接的下部子连接层和上部子连接层，并且至少一个子连接层是与其相邻的发光层直接接触的逐渐掺杂的连接层 。

公开(公告)号：US12276819B2

公开(公告)日：2025-04-15

申请号：US17779814

申请日：2021-04-09

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Zhiqiang Jiao ,  Guangcai Yuan

IPC: H10K59/80 ,  G02B5/02 ,  G02B5/20 ,  H10K50/854 ,  H10K50/858 ,  H10K59/35 ,  H10K59/38 ,  H10K71/00

Abstract: A display panel includes at least one pixel unit. The pixel unit includes a first sub-pixel, a second sub-pixel, a third sub-pixel and a fourth sub-pixel. The first, second, third and fourth sub-pixels include a first color filter portion, second color filter portion, a third color filter portion and a fourth color filter portion, respectively. The first, second and third color filter portions are configured to emit light of three primary colors. A material of the fourth color filter portion includes at least one light conversion material configured to convert a portion of light directed to the fourth color filter portion into light of at least one primary color. The light of at least one primary color is capable of being mixed with another portion of the light directed to the fourth color filter portion to generate white light.

公开(公告)号：US20240268135A1

公开(公告)日：2024-08-08

申请号：US18021250

申请日：2022-06-29

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Qian Jin ,  Xiaoyun Liu ,  Wei Huang ,  Juan Zhang ,  Zhiqiang Jiao ,  Xiaohu Li

IPC: H10K50/115 ,  H10K50/818 ,  H10K59/35 ,  H10K59/38 ,  H10K59/80

CPC classification number: H10K50/115 ,  H10K50/818 ,  H10K59/35 ,  H10K59/38 ,  H10K59/873 ,  H10K59/877

Abstract: A light emitting device, a light emitting base plate and a light emitting apparatus, which relates to the technical field of displaying. A light emitting device includes: a first electrode; a second electrode facing the first electrode; and at least one luminescent layer provided in stack between the first electrode and the second electrode, wherein the at least one luminescent layer includes: a first luminescent material for emitting a first light ray when driven by a current or voltage; and a second luminescent material for emitting a second light ray when driven by a current or voltage; wherein a color of the first light ray and a color of the second light ray are different.

公开(公告)号：US20240196665A1

公开(公告)日：2024-06-13

申请号：US18584241

申请日：2024-02-22

Applicant: BOE Technology Group Co., Ltd.

Inventor： Yongfeng Zhang ,  Xue Dong ,  Zhiqiang Jiao ,  Lei Zhao ,  Jiushi Wang

IPC: H10K59/123 ,  H10K50/813 ,  H10K50/818 ,  H10K59/124 ,  H10K59/35 ,  H10K71/00

CPC classification number: H10K59/123 ,  H10K50/818 ,  H10K59/124 ,  H10K71/00 ,  H10K50/813 ,  H10K59/35

Abstract: Disclosed are a display panel and a displaying device. The display panel includes a plurality of first-color subpixels, and each first-color subpixel includes a base, the base including a first driving electrode and a second driving electrode; at least one first electrode, disposed at a side of the base and is connected to the first driving electrode; at least one second electrode, disposed at a same side of the base with the first electrode and is connected to the second driving electrode; an intermediate layer, disposed between the first electrode and the second electrode; wherein the first electrode and the second electrode divide the first-color subpixel into a plurality of secondary pixels, the first electrode and the second electrode are insulated with each other via the intermediate layer, and are respectively connected to the first driving electrode and the second driving electrode, and control the secondary pixels independently.

公开(公告)号：US20240179934A1

公开(公告)日：2024-05-30

申请号：US18264490

申请日：2022-11-28

Applicant: BOE Technology Group Co., Ltd.

Inventor： Peng Wang ,  Qingyu Huang ,  Juan Zhang ,  Mengna Sun ,  Zhiqiang Jiao ,  Weijie Wang

IPC: H10K50/13 ,  H10K50/12

CPC classification number: H10K50/13 ,  H10K50/12

Abstract: A light emitting diode is provided. The light emitting diode includes a light emitting layer. The light emitting layer includes one or more first layers and one or more second layers in a stacked structure. A respective first layer of the one or more first layers includes an organic functional material of a first type doped with an organic functional material of a second type. A respective second layer of the one or more second layers includes an organic functional material of the first type without being doped with an organic functional material of the second type. The light emitting layer includes one or more double-layer structure stacked on each other, a respective double-layer structure including an individual second layer and an individual first layer stacked on the individual second layer.

公开(公告)号：US11943973B2

公开(公告)日：2024-03-26

申请号：US17416417

申请日：2020-11-11

Applicant: BOE Technology Group Co., Ltd.

Inventor： Yongfeng Zhang ,  Xue Dong ,  Zhiqiang Jiao ,  Lei Zhao ,  Jiushi Wang

IPC: H01L27/14 ,  H01L29/04 ,  H01L29/15 ,  H01L31/036 ,  H10K50/818 ,  H10K59/123 ,  H10K59/124 ,  H10K71/00 ,  H10K50/813 ,  H10K59/35

CPC classification number: H10K59/123 ,  H10K50/818 ,  H10K59/124 ,  H10K71/00 ,  H10K50/813 ,  H10K59/35

Abstract: Disclosed are a preparation method of a display panel, a display panel and a displaying device. The display panel comprises a plurality of first-color subpixels, and each first-color subpixel comprises a base, the base comprising a first driving electrode and a second driving electrode; a flat layer disposed on the side, near the first driving electrode and the second driving electrode, of the base; a patterned passivation layer and at least one first electrode disposed on the side, away from the base, of the flat layer, the first electrode being connected with the first driving electrode through via holes penetrating the flat layer; and at least one second electrode disposed on the side, away from the base, of the passivation layer, the second electrode being connected with the second driving electrode through via holes penetrating the passivation layer and the flat layer.

公开(公告)号：US11522144B2

公开(公告)日：2022-12-06

申请号：US16763966

申请日：2019-12-23

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Xiaohu Li ,  Jinxiang Xue ,  Zhiqiang Jiao

IPC: H01L51/00 ,  H01L27/32 ,  H01L51/52

Abstract: The present disclosure discloses a stretch display device and a preparation method. The method includes providing a substrate on which a flexible substrate is disposed, and a film layer constituting a thin film transistor disposed on a side of the flexible substrate away from the substrate, the film layer being away from the flexible substrate. One side defines a plurality of pixel regions; a hollow portion is formed between adjacent two of the pixel regions, the hollow portion penetrates through the film layer and the flexible substrate; and thermal separation is provided in the hollow portion via a gel; a light-emitting element is disposed in the pixel region, and an encapsulating film layer is disposed on a side of the light-emitting element and the thermal separation gel away from the flexible substrate; heating the thermal separation gel, and the flexible liner. The bottom and the substrate are peeled off. Therefore, when the substrate is peeled off by this method, the problem of breakage of the flexible substrate and the film layer constituting the thin film transistor can be alleviated, and the production yield of the stretch display device can be remarkably improved.

公开(公告)号：US11348976B2

公开(公告)日：2022-05-31

申请号：US16769563

申请日：2019-08-07

Applicant: BOE Technology Group Co., Ltd.

Inventor： Qingyu Huang ,  Huajie Yan ,  Liangliang Kang ,  Fudong Chen ,  Zhiqiang Jiao

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

Abstract: A display panel having a plurality of subpixels is provided. The display panel includes a base substrate; a plurality of light emitting elements on the base substrate; and a quantum dot layer on a side of the plurality of light emitting elements away from the base substrate. A respective one of the plurality of light emitting elements includes a first light emitting layer and a second light emitting layer sequentially stacked. The first light emitting layer is configured to emit a first light of a first wavelength range. The second light emitting layer is configured to emit a second light of a second wavelength range. The plurality of light emitting elements are configured to respectively emit a composite light. The quantum dot blocks of different colors are configured to respectively convert the composite light into light of different colors respectively in different subpixels.

公开(公告)号：US11287687B2

公开(公告)日：2022-03-29

申请号：US16760294

申请日：2019-12-12

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Qingyu Huang ,  Zhiqiang Jiao ,  Huajie Yan ,  Juan Zhang ,  Xiaohu Li

IPC: G02F1/1335 ,  H01L27/32 ,  G09G3/36 ,  G09G3/3208 ,  H01L51/52 ,  G02F1/1333 ,  H01L51/56

Abstract: A display panel, a method for manufacturing the same, and a method for driving the same are provided, the display panel includes a base substrate; a plurality of pixel units on the base substrate; and a controller, at least one pixel unit comprising: a light-emitting element; a reflective layer provided on a light output side of the light-emitting element and configured to receive and reflect light emitted by the light-emitting element to generate reflected light; and an optical sensor configured to receive the reflected light and measure a light intensity of the reflected light, wherein the controller is configured to adjust a light-emitting intensity of the light-emitting element based on the light intensity, wherein the light-emitting element comprises a light-emitting layer, an orthographic projection of the reflective layer on the base substrate does not overlap with an orthographic projection of the light-emitting layer on the base substrate.