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公开(公告)号：US20240349538A1
公开(公告)日：2024-10-17
申请号：US18252909
申请日：2022-04-11
发明人： Hongli WANG , Pan LI , Huifeng WANG , Xinxin WANG , Xinyin WU
IPC分类号： H10K59/122 , H10K59/38 , H10K71/13
CPC分类号： H10K59/122 , H10K59/38 , H10K71/135
摘要： A display substrate and a display device are provided. The display substrate includes functional elements including a functional layer and a pixel-defining pattern. The pixel-defining pattern includes openings and a defining portion. The display substrate includes first regions corresponding to the openings and second regions covered by the defining portion; the second regions include recessed regions, the functional layer includes a portion located in the recessed region and a portion located in a light-exiting region, an area of the recessed region is not greater than that of the light-exiting region, heights of a surface closest to the base substrate of the functional layer located in the recessed region relative to the base substrate and located in the light-exiting region adjacent to the recessed region relative to the base substrate are a first height and a second height, and the first height is not greater than the second height.
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2.发明申请公开(公告)号：US20210367179A1
公开(公告)日：2021-11-25
申请号：US17395179
申请日：2021-08-05
发明人： Huifeng WANG , Wang ZHANG , Jingang FANG
摘要： The present disclosure relates to an organic electroluminescent display panel, a method of manufacturing the same, and a display device that can alleviate or avoid the occurrence of pixel crosstalk problems due to lateral conduction of the charge generation layer. An organic electroluminescent display panel is provided which comprises: a substrate; an anode layer and a pixel defining layer over the substrate, the pixel defining layer defining pixel units, wherein a recess is provided in the pixel defining layer between adjacent pixel units; a stack of organic electroluminescent units over the anode layer and the pixel defining layer, the stack comprising at least two organic electroluminescent units and a charge generation layer disposed between organic electroluminescent units which are adjacent to each other; a cathode layer over the stack, wherein the corresponding charge generation layers of the adjacent pixel units are disconnected at the recesses, and wherein the cathode layer is continuous at the recess.
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公开(公告)号：US20190074330A1
公开(公告)日：2019-03-07
申请号：US15770655
申请日：2017-09-20
发明人： Huifeng WANG
IPC分类号： H01L27/32
摘要： This disclosure provides a display substrate, a display panel, and a method for fabricating the display substrate. The display substrate includes: an underlying substrate; a plurality of sub-pixel areas arranged in an array on a surface of the underlying substrate; and an isolating layer arranged on the surface of the underlying substrate, wherein the isolating layer includes a surrounding dam arranged on a periphery of the plurality of sub-pixel areas, and a plurality of separating dams arranged in parallel on an inner side of the surrounding dam, end portions of the separating dams are spaced from the surrounding dam, and the plurality of sub-pixel areas are separated by the separating dams into a plurality of channels.
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4.发明申请公开(公告)号：US20190280049A1
公开(公告)日：2019-09-12
申请号：US16079697
申请日：2017-12-12
发明人： Huifeng WANG
摘要： A color filter (CF) substrate, a manufacturing method thereof, a display panel and a display device are disclosed. The CF substrate includes a plurality of sub-pixels, each of the plurality of sub-pixels including a CF layer, the CF layer being configured to allow light passing through the sub-pixel to display one color, and a barrier being disposed between at least two adjacent sub-pixels of different colors, and the barrier continuously extending between the sub-pixels separated by the barrier. The CF substrate can reduce influence on chromaticity of adjacent sub-pixels caused by light leakage.
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公开(公告)号：US20190181195A1
公开(公告)日：2019-06-13
申请号：US15992756
申请日：2018-05-30
发明人： Huifeng WANG , Jing GAN
摘要： The present disclosure relates to a pixel isolation bank and a method of manufacturing the same. A pixel isolation bank, comprising a first lyophobic layer located at a predetermined height of the pixel isolation bank.
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6.发明申请公开(公告)号：US20170104042A1
公开(公告)日：2017-04-13
申请号：US15032866
申请日：2015-07-22
发明人： Huifeng WANG , Ze LIU
CPC分类号： H01L27/3246 , H01L27/12 , H01L27/3283 , H01L51/0005 , H01L51/0541 , H01L51/5012 , H01L51/56 , H01L2227/323
摘要： 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.
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7.发明申请公开(公告)号：US20160039182A1
公开(公告)日：2016-02-11
申请号：US14420748
申请日：2014-03-25
发明人： Huifeng WANG
CPC分类号： B32B17/06 , B32B7/06 , B32B9/04 , B32B38/10 , B32B43/006 , B32B2315/08 , B32B2457/20
摘要： The present invention provides a bearing substrate used for carrying a flexible film of a flexible display device in the process of manufacturing the flexible display device. The bearing substrate comprises a substrate and a gas generation layer located on the substrate. In the process of manufacturing the flexible display device, the flexible film is located on the gas generation layer, and the material of the gas generation layer can be decomposed to generate gas. Correspondingly, the present invention further provides a manufacturing method of a flexible display device. In the present invention, after display elements on a flexible film have been manufactured, the flexible film can be separated from the substrate; meanwhile, in the present invention, both the stripping manner of flexible film and the separation force of stripping the flexible film from the substrate can be flexibly adjusted.
摘要翻译： 本发明提供一种在制造柔性显示装置的过程中用于承载柔性显示装置的柔性膜的轴承衬底。 轴承基板包括基板和位于基板上的气体发生层。 在制造柔性显示装置的过程中，柔性膜位于气体发生层上，气体发生层的材料可以分解产生气体。 相应地，本发明还提供一种柔性显示装置的制造方法。 在本发明中，在制造柔性膜上的显示元件之后，可以将柔性膜与基板分离; 同时，在本发明中，柔性膜的剥离方式和从基材剥离柔性膜的分离力都能够灵活调整。
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8.发明申请公开(公告)号：US20210005835A1
公开(公告)日：2021-01-07
申请号：US16076420
申请日：2018-02-02
发明人： Huifeng WANG , Wang ZHANG , Jingang FANG
摘要： The present disclosure relates to an organic electroluminescent display panel, a method of manufacturing the same, and a display device that can alleviate or avoid the occurrence of pixel crosstalk problems due to lateral conduction of the charge generation layer. An organic electroluminescent display panel is provided which comprises: a substrate; an anode layer and a pixel defining layer over the substrate, the pixel defining layer defining pixel units, wherein a recess is provided in the pixel defining layer between adjacent pixel units; a stack of organic electroluminescent units over the anode layer and the pixel defining layer, the stack comprising at least two organic electroluminescent units and a charge generation layer disposed between organic electroluminescent units which are adjacent to each other; a cathode layer over the stack, wherein the corresponding charge generation layers of the adjacent pixel units are disconnected at the recesses, and wherein the cathode layer is continuous at the recess.
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公开(公告)号：US20190103452A1
公开(公告)日：2019-04-04
申请号：US16148799
申请日：2018-10-01
发明人： Wenbin JIA , Huifeng WANG , Chinlung LIAO , Feifei ZHU , Xiang WAN
IPC分类号： H01L27/32
摘要： A method of fabricating a substrate includes forming a planarization layer, and forming the planarization layer includes: forming a first planarization sub-layer on a base substrate on which a patterned film layer has been formed. A surface of the first planarization sub-layer facing away from the base substrate has a plurality of depressed portions. Forming the planarization layer further includes: forming a second planarization sub-layer at multiple depressed portions of the plurality of the depressed portions to obtain the planarization layer including the first planarization sub-layer and the second planarization sub-layer. A flatness of a surface of the planarization layer is higher than a flatness of the surface of the first planarization sub-layer.
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公开(公告)号：US20180233667A1
公开(公告)日：2018-08-16
申请号：US15746489
申请日：2017-06-16
发明人： Huifeng WANG
CPC分类号： H01L51/0005 , B41J2/00 , B41J2/04508 , B41J2/0456 , B41J2/04581 , B41J2/2054 , B41J2/2139 , B41J2202/09 , H01L51/0022 , H01L51/5012 , H01L51/56
摘要： Disclosed is an ejection volume compensation method of an inkjet printer for manufacturing an organic electroluminescent device pixel. The inkjet printer includes a plurality of nozzles and is configured to perform a plurality of print processes for the same pixel location. A target ejection volume for the next print process is selected so that an average of the target ejection volume and an actual ejection volume for the previous print process is equal to an ideal ejection volume. Also disclosed are an ejection volume compensation device for use with the inkjet printer, an inkjet printing device, and a non-transitory machine readable medium.
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