公开(公告)号：US20150001513A1

公开(公告)日：2015-01-01

申请号：US14354755

申请日：2013-11-29

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Xianghua Wang ,  Xianfeng Xiong ,  Ze Liu ,  Longzhen Qiu

IPC: H01L51/05 ,  H01L51/00

CPC classification number: H01L51/0533 ,  H01L51/0005 ,  H01L51/0529 ,  H01L51/0545 ,  H01L51/105

Abstract: An organic thin film transistor and a manufacturing method thereof are provided. The organic thin film transistor comprises: a substrate; a gate electrode layer (21) and a source/drain electrode layer (24), formed on the substrate; an organic semiconductor layer (25), formed between source and drain electrodes (24) of the source/drain electrode layer; and an organic insulating layer (23), formed between the gate electrode layer (21) and the organic semiconductor layer (25) and made from an organic polymer material.

Abstract translation: 提供有机薄膜晶体管及其制造方法。 有机薄膜晶体管包括：基板; 形成在所述基板上的栅极电极层（21）和源极/漏极电极层（24） 形成在源极/漏极电极层的源极和漏极之间的有机半导体层（25）; 和形成在栅电极层（21）和有机半导体层（25）之间并由有机聚合物材料制成的有机绝缘层（23）。

公开(公告)号：US20140329056A1

公开(公告)日：2014-11-06

申请号：US14342159

申请日：2013-05-31

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Wenjun Hou ,  Ze Liu

IPC: H01L51/00 ,  H01L51/56

CPC classification number: H01L51/56 ,  H01L27/3246 ,  H01L51/0003 ,  H01L51/0007 ,  Y10T428/24802

Abstract: A method for preparing a pixel defining layer (PDL), an organic light-emitting diode (OLED) substrate prepared by the PDL, and a display device are provided, which can overcome the problem that the conventional PDL comprising hydrophilic and hydrophobic materials involves a complicated process. The method for preparing the PDL comprises: step 1: forming a mixed solution on a substrate to form a mixed solution film, in which the mixed solution includes a hydrophilic material, a hydrophobic material and a solvent; step 2: performing heat treatment on the mixed solution film to form a pixel defining material layer in which the content of the hydrophilic material on the upper portion is less than that of the hydrophilic material on the lower portion and the content of the hydrophobic material on the upper portion is more than that of the hydrophobic material on the lower portion; and step 3: forming a pattern of the PDL on the pixel defining material layer by a patterning process. This method for preparing a PDL is simple and easy to realize.

Abstract translation: 提供了一种制备像素限定层（PDL）的方法，由PDL制备的有机发光二极管（OLED）基板和显示装置，其可以克服包含亲水和疏水材料的常规PDL涉及 复杂的过程。 制备PDL的方法包括：步骤1：在基材上形成混合溶液以形成混合溶液膜，其中混合溶液包括亲水材料，疏水性材料和溶剂; 步骤2：对混合溶液膜进行热处理以形成像素限定材料层，其中上部的亲水性材料的含量小于下部的亲水性材料的含量，并且疏水性材料的含量在 上部比在下部的疏水性材料的上部多; 步骤3：通过图案化工艺在像素限定材料层上形成PDL的图案。 这种制备PDL的方法简单易懂。

公开(公告)号：US20140084265A1

公开(公告)日：2014-03-27

申请号：US13806215

申请日：2012-11-08

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Ze Liu

IPC: H01L27/32 ,  H01L51/10 ,  H01L27/28 ,  H01L51/05

CPC classification number: H01L27/3276 ,  H01L27/283 ,  H01L27/3246 ,  H01L27/3274 ,  H01L29/41733 ,  H01L29/66757 ,  H01L51/0541 ,  H01L51/0545 ,  H01L51/0558 ,  H01L51/102 ,  H01L51/105

Abstract: Embodiments of the invention provide an organic thin film transistor, an organic thin film transistor array substrate and a display device. The organic thin film transistor comprises a transparent substrate; source and drain electrodes formed on the transparent substrate; an active layer formed on the transparent substrate by an organic semiconductor material and disposed between the source and drain electrodes; a gate insulating layer formed on the active layer; a gate electrode formed on the gate insulating layer; and first and second banks disposed on the transparent substrate, inner sides of the first and second banks being covered by the source and drain electrodes, respectively.

Abstract translation: 本发明的实施例提供有机薄膜晶体管，有机薄膜晶体管阵列基板和显示装置。 有机薄膜晶体管包括透明基板; 源极和漏极形成在透明衬底上; 通过有机半导体材料在所述透明基板上形成并设置在所述源极和漏极之间的有源层; 形成在所述有源层上的栅极绝缘层; 形成在所述栅极绝缘层上的栅电极; 以及设置在透明基板上的第一和第二堤，第一和第二堤的内侧分别被源极和漏极覆盖。

公开(公告)号：US10290822B2

公开(公告)日：2019-05-14

申请号：US14769670

申请日：2014-11-07

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Honhang Fong ,  Yingtao Xie ,  Shihong Ouyang ,  Shucheng Cai ,  Qiang Shi ,  Ze Liu

IPC: H01L29/08 ,  H01L51/05 ,  H01L29/786 ,  H01L27/12 ,  H01L27/28 ,  H01L29/66 ,  H01L51/10

Abstract: A thin film transistor and its manufacturing method, an array substrate and a display device are disclosed, the thin film transistor is of a gate bottom contact type, and includes a gate electrode (3) and a gate insulation layer (2), the gate insulation layer (2) is provided with a recess (4) at a position corresponding to the gate electrode (3). With the thin film transistor, the problem of wire breakage in the active layer at the channel between the source/drain electrodes can be avoided, the performance and stability of the thin film transistor is improved, and the production cost is lowered down.

公开(公告)号：US10204968B2

公开(公告)日：2019-02-12

申请号：US15129091

申请日：2016-01-15

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Wenjun Hou ,  Ze Liu

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

Abstract: The present invention provides an organic light-emitting display substrate, a method of fabricating the same, an organic light-emitting display panel, and an organic light-emitting display device. The organic light-emitting display substrate comprises a pixel defining layer provided on a base substrate and configured to define a sub-pixel region, the pixel defining layer comprises an accommodation area corresponding to a sub-pixel, and a groove located on an outer peripheral side of the accommodation area. In a process of forming an organic light-emitting layer by means of inkjet printing, excessive ink flows into the groove on the outer peripheral side of the accommodation area, which facilitates matching between a volume of ink for forming the organic light-emitting layer and a thickness of an actual organic light-emitting layer.

公开(公告)号：US09972665B2

公开(公告)日：2018-05-15

申请号：US15032866

申请日：2015-07-22

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Huifeng Wang ,  Ze Liu

IPC: H01L29/08 ,  H01L21/00 ,  H01L27/32 ,  H01L51/56 ,  H01L51/05 ,  H01L27/12 ,  H01L51/50

CPC classification number: H01L27/3246 ,  H01L27/12 ,  H01L27/3283 ,  H01L51/0005 ,  H01L51/0541 ,  H01L51/5012 ,  H01L51/56 ,  H01L2227/323

Abstract: An organic light emitting diode display panel and a fabrication method thereof, a display device are provided, and the method includes: forming an anode layer (41) a light-emitting layer and a cathode layer on a substrate (40) and the method further includes: depositing a first pixel defining layer thin film (51) on the anode layer (41); depositing a second pixel defining layer thin film on the first pixel defining layer thin film (51), and forming a second pixel defining layer (61) by patterning the second pixel defining layer thin film through patterning process; and forming a first pixel defining layer (71) through dry etching and removing the first pixel defining layer thin film that is exposed; wherein the first pixel defining layer (71) has a lyophilic property and the second pixel defining layer (61) has a lyophobic property. A double-layer pixel defining layer prepared in the method is capable of reducing a mask plate, reducing the production cost, and improving the production efficiency.

公开(公告)号：US09847382B2

公开(公告)日：2017-12-19

申请号：US14362117

申请日：2013-12-16

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Qing Dai ,  Ze Liu

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

CPC classification number: H01L27/3258 ,  H01L27/3248 ,  H01L51/5215 ,  H01L51/5234 ,  H01L51/5268 ,  H01L51/56 ,  H01L2227/323 ,  H01L2251/301 ,  H01L2251/308 ,  H01L2251/5369

Abstract: The present invention provides an array substrate, a manufacturing method thereof, and a display device, belonging to the field of organic electroluminescence display technology, which may solve the problem of low light extraction efficiency of existing array substrates. The array substrate of the present invention comprises an organic light emitting device and a planarization layer disposed therebelow, the OLED comprises: a first electrode layer, a second electrode layer, and a light-emitting layer disposed between the first electrode layer and the second electrode layer, the first electrode layer is a transparent electrode layer and disposed on the planarization layer, and the planarization layer is doped with metal micro/nanoparticles.

公开(公告)号：US20170294584A1

公开(公告)日：2017-10-12

申请号：US15634748

申请日：2017-06-27

Applicant: BOE Technology Group Co., Ltd.

Inventor： Yingtao Xie ,  Shihong Ouyang ,  Shucheng Cai ,  Qiang Shi ,  Ze Liu ,  Honhang Fong

IPC: H01L51/00 ,  H01L51/10 ,  H01L51/05

CPC classification number: H01L51/0015 ,  H01L29/786 ,  H01L51/002 ,  H01L51/0541 ,  H01L51/0545 ,  H01L51/0558 ,  H01L51/105 ,  H01L51/107

Abstract: An organic thin film transistor, a manufacturing method thereof and an array substrate are provided. The manufacturing method of an organic thin film transistor includes: forming an organic semiconductor layer; partially sheltering the organic semiconductor layer, so that a sheltered region and an unsheltered region are formed on the organic semiconductor layer, the sheltered region corresponding to a region where an active layer of the organic thin film transistor needs to be formed; and doping the organic semiconductor layer, so that the organic semiconductor layer in correspondence with the sheltered region is not doped, and the organic semiconductor layer in correspondence with the unsheltered region is doped.

公开(公告)号：US09768382B2

公开(公告)日：2017-09-19

申请号：US14894003

申请日：2015-04-21

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Huifeng Wang ,  Ze Liu

IPC: H01L29/08 ,  H01L51/00 ,  H01L21/77 ,  H01L27/12 ,  H01L27/32 ,  H01L51/50

CPC classification number: H01L51/0005 ,  H01L21/77 ,  H01L27/12 ,  H01L27/3246 ,  H01L51/5012 ,  H01L2227/323

Abstract: The present disclosure relates to the field of display technology, and provides a display substrate, its manufacturing method, and a display device. Pixel partition walls of the display substrate include first pixel partition walls for defining first pixel regions and second pixel partition walls for defining second pixel regions. Each first pixel partition wall is of a height greater than each second pixel partition wall, and a plurality of adjacent second pixel regions is located at an identical first pixel region.

公开(公告)号：US09722005B2

公开(公告)日：2017-08-01

申请号：US14420736

申请日：2014-06-30

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Huifeng Wang ,  Ze Liu ,  Gang Wang

IPC: H01L29/08 ,  H01L27/32 ,  H01L51/56

CPC classification number: H01L27/3246 ,  H01L51/56

Abstract: The present invention discloses a light-emitting device, array substrate, display device and manufacturing method of light-emitting device. The light-emitting device comprises a substrate and a pixel define layer provided on the substrate, the pixel define layer defines at least one pixel unit, each of which comprises a plurality of first electrodes, an organic layer provided on the plurality of first electrodes, and a second electrode provided on the organic layer. The light-emitting device, array substrate, display device and manufacturing method provided by the present invention can allow the formed film of the organic layer on the first electrodes to have good flatness and allow portions of the organic layer on different first electrodes to have substantially the same thickness, thus flatness and uniformity of the formed film of the organic layer in the light-emitting device is improved and further display quality of the light-emitting device is improved.