公开(公告)号：US10263044B2

公开(公告)日：2019-04-16

申请号：US15323152

申请日：2016-04-21

申请人： BOE Technology Group Co., Ltd.

发明人： Wentao Bi

IPC分类号： C07C9/22 ,  C07C15/38 ,  C07F15/00 ,  H01L27/32 ,  H01L51/50 ,  H01L51/52 ,  C07C211/54 ,  C07D209/58 ,  C07D235/20 ,  C07D471/04

摘要： A tandem organic light-emitting diode, an array substrate and a display device are provided. The tandem organic light-emitting diode includes an anode, a hole transport layer, a first light-emitting layer, a first charge generation layer, a second charge generation layer, a third charge generation layer, a fourth charge generation layer, a second light-emitting layer, an electron transport layer and a cathode which are sequentially laminated, wherein the first charge generation layer is an N-type bulk heterojunction, the second charge generation layer and the third charge generation layer are both PN junction type bulk heterojunctions, a proportion of the P-type organic material in the second charge generation layer is greater than that of the N-type organic material, a proportion of the P-type organic material in the third charge generation layer is less than that of the N-type organic material, and the fourth charge generation layer is a P-type bulk heterojunction.

公开(公告)号：US10424754B2

公开(公告)日：2019-09-24

申请号：US15321548

申请日：2016-03-09

申请人： BOE TECHNOLOGY GROUP CO., LTD.

发明人： Wentao Bi ,  Na Li ,  Yinan Liang

IPC分类号： H01L51/50 ,  H01L51/52 ,  H01L51/00

摘要： The embodiments of the present invention provide an organic light emitting diode device, display panel and display device. The existing top emitting series OLED device is improved with a structure of homojunctions; the functional layer of the top emitting series OLED device is also improved. The functional layer comprises a hole injection layer, a hole transport layer, a plurality of light emitting layers, an electron transport layer and an electron injection layer sequentially arranged from the anode. A charge generation layer A and a charge generation layer B are arranged between two directly adjacent light emitting layers. A homojunction is applied in each light emitting unit of the top emitting series OLED device, reducing the types of organic materials and the carrier injection barrier, improving the injection of carriers and the efficiency of the device. The driving voltage of the device is thus reduced.

公开(公告)号：US10283569B2

公开(公告)日：2019-05-07

申请号：US15322590

申请日：2016-04-21

申请人： BOE TECHNOLOGY GROUP CO., LTD.

发明人： Wentao Bi

IPC分类号： H01L27/32 ,  H01L51/00 ,  H01L51/42 ,  H01L51/50 ,  H01L51/52

摘要： A tandem organic light-emitting diode, an array substrate and a display device are provided. The tandem organic light-emitting diode includes an anode (10), a hole transport layer (11), a first light-emitting layer (12), a first charge generation layer (13), a second charge generation layer (14), a third charge generation layer (15), a second light-emitting layer (16), an electron transport layer (17) and a cathode (18) which are sequentially laminated, wherein the first charge generation layer (13) is an N-type bulk heterojunction, the second charge generation layer (14) is a PN junction type bulk heterojunction, and the third charge generation layer (15) is a P-type bulk heterojunction. The array substrate includes a plurality of the above tandem organic light-emitting diodes and the display device includes the above array substrate. The tandem organic light-emitting diode provided herein can be applied in a display device for reducing power consumption.

公开(公告)号：US20170200770A1

公开(公告)日：2017-07-13

申请号：US15323152

申请日：2016-04-21

申请人： BOE Technology Group Co., Ltd.

发明人： Wentao Bi

IPC分类号： H01L27/32 ,  C07F15/00 ,  C07D209/58 ,  C07C9/22 ,  C07C211/54 ,  C07D471/04 ,  C07C15/38 ,  H01L51/50 ,  C07D235/20

CPC分类号： H01L27/32 ,  C07C9/22 ,  C07C15/38 ,  C07C211/54 ,  C07D209/58 ,  C07D235/20 ,  C07D471/04 ,  C07F15/0033 ,  H01L51/5064 ,  H01L51/508 ,  H01L51/5278 ,  H01L2251/55

摘要： A tandem organic light-emitting diode, an array substrate and a display device are provided. The tandem organic light-emitting diode includes an anode, a hole transport layer, a first light-emitting layer, a first charge generation layer, a second charge generation layer, a third charge generation layer, a fourth charge generation layer, a second light-emitting layer, an electron transport layer and a cathode which are sequentially laminated, wherein the first charge generation layer is an N-type bulk heterojunction, the second charge generation layer and the third charge generation layer are both PN junction type bulk heterojunctions, a proportion of the P-type organic material in the second charge generation layer is greater than that of the N-type organic material, a proportion of the P-type organic material in the third charge generation layer is less than that of the N-type organic material, and the fourth charge generation layer is a P-type bulk heterojunction.

公开(公告)号：US20160372695A1

公开(公告)日：2016-12-22

申请号：US14776556

申请日：2015-02-15

申请人： BOE TECHNOLOGY GROUP CO., LTD.

发明人： Wentao Bi ,  Zhiqiang Jiao

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

CPC分类号： 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

摘要： 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.

摘要翻译： 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 。