-
21.
公开(公告)号:US10886495B2
公开(公告)日:2021-01-05
申请号:US16209260
申请日:2018-12-04
Applicant: BOE TECHNOLOGY GROUP CO., LTD.
Inventor: Yansong Li , Haidong Wu , Na Li , Xiaobo Du , Guanyin Wen , Xing Fan
Abstract: An OLED display substrate, a manufacturing method thereof, and a display device are provided. The OLED display substrate includes a reflective cathode layer, an organic light-emitting layer, a transparent anode layer and a high reflection layer sequentially arranged on a substrate, and the high reflection layer has reflectivity greater than a threshold.
-
公开(公告)号:US10676288B2
公开(公告)日:2020-06-09
申请号:US15750464
申请日:2017-08-09
Inventor: Chang Luo , Haidong Wu , Kening Zheng
Abstract: This application discloses a feeding device for a crucible, belonging to the field of display technology. The feeding device includes: a base, a robot arm and a bottle holder. The base is movably connected to one end of the robot arm, the one end of the robot arm can move linearly on the base, a motion trajectory of the robot arm is parallel to a lengthwise direction of the crucible. The bottle holder is disposed at the other end of the robot arm and the bottle holder is rotatable at the other end. This application can protect operator's health, improve production efficiency and reduce production costs.
-
公开(公告)号:US10566565B2
公开(公告)日:2020-02-18
申请号:US15320130
申请日:2016-01-27
Inventor: Haidong Wu , Weilin Lai , Kai Chen , Juanjuan Bai , Wenyu Ma
Abstract: The application provides an organic light emitting device, a method of fabricating the organic light emitting device, and a display device. The organic light emitting device comprises an anode layer, a cathode layer, and a light emitting layer provided between the anode layer and the cathode layer, and further comprises a carrier velocity adjustment layer provided between the light emitting layer and at least one of the anode layer and the cathode layer, and the carrier velocity adjustment layer is used for adjusting an injection rate of a carrier.
-
公开(公告)号:US10565934B2
公开(公告)日:2020-02-18
申请号:US15839097
申请日:2017-12-12
Inventor: Chang Luo , Haidong Wu , Jianpeng Wu
IPC: G09G3/3258 , G09G3/3291 , H01L27/12 , H01L29/786 , H01L27/32
Abstract: A drive compensation circuit, an organic light-emitting diode (OLED) display panel and a driving method thereof. The drive compensation circuit includes a first power supply terminal, a second power supply terminal, a drive circuit, a voltage detection circuit and an OLED. The voltage detection circuit is configured to obtain a voltage value of the anode of the OLED, the first power supply terminal is configured to enable a first output voltage of the first power supply terminal to be larger than a second output voltage of the second power supply terminal, and the second power supply terminal is configured to allow the second output voltage of the second power supply terminal to be adjusted according to the voltage value of the anode of the OLED.
-
25.
公开(公告)号:US10103349B2
公开(公告)日:2018-10-16
申请号:US15322568
申请日:2015-11-06
Inventor: Haidong Wu , Minghua Xuan , Weilin Lai , Xiang Feng
Abstract: The embodiments of the present invention provide an electroluminescent device and manufacturing method thereof, display substrate and display device, which relate to the field of display technology. The overall luminous efficiency of the OLED device is improved without reducing the thickness of the metal cathode, ensuring a good display effect of the OLED device. The electroluminescent device comprises a metal cathode layer, a functional layer and a transparent anode layer arranged on a basal substrate; the transparent anode layer is located on the light exit side of the electroluminescent device; the functional layer is located between the metal cathode layer and the transparent anode layer; the functional layer comprises an electron transport layer, an emitting layer and a hole transport layer sequentially arranged from the metal cathode layer.
-
26.
公开(公告)号:US12178060B2
公开(公告)日:2024-12-24
申请号:US17536801
申请日:2021-11-29
Applicant: BOE Technology Group Co., Ltd.
Inventor: Xiaobo Du , Haidong Wu , Yansong Li , Bei Wang
IPC: H10K50/11 , H10K50/17 , H10K71/00 , H10K101/30 , H10K101/40 , H10K102/00
Abstract: An electroluminescent device, a method for manufacturing the electroluminescent device, a display panel and a display device are provided in the embodiments of the present application. The electroluminescent device includes an anode layer, a first hole injection layer and a hole transport layer. The first hole injection layer is located between the anode layer and the hole transport layer; the first hole injection layer includes at least two secondary hole injection layers, and an equivalent resistance value of the at least two secondary hole injection layers is greater than a first threshold value.
-
公开(公告)号:US20240292649A1
公开(公告)日:2024-08-29
申请号:US18020714
申请日:2022-03-28
Applicant: BOE Technology Group Co., Ltd.
Inventor: Xiaobo Du , Haidong Wu , Yansong Li
IPC: H10K50/17 , H10K50/155 , H10K50/165 , H10K71/10 , H10K85/10 , H10K85/30 , H10K85/60 , H10K101/30 , H10K101/40 , H10K102/00
CPC classification number: H10K50/171 , H10K50/155 , H10K50/165 , H10K71/10 , H10K85/111 , H10K85/371 , H10K85/633 , H10K85/6572 , H10K85/6574 , H10K2101/30 , H10K2101/40 , H10K2102/351
Abstract: A light-emitting device includes at least one light-emitting unit including a luminescent layer, an electron functional layer and a hole functional layer; a material of the luminescent layer includes host materials and guest materials, the host materials include hole transport materials and electron transport materials; a material of the electron functional layer is the same as the electron transport materials, and a material of the hole functional layer is the same as the hole transport materials; an energy value HOMOA of a highest occupied molecular orbital of the hole transport materials and an energy value HOMOB of a highest occupied molecular orbital of the electron transport materials satisfy: HOMOA−HOMOB>0.2 eV; and an energy value LUMOA of a lowest unoccupied molecular orbital of the hole transport materials and an energy value LUMOB of a lowest unoccupied molecular orbital of the electron transport materials satisfy: LUMOA−LUMOB>0.2 eV.
-
28.
公开(公告)号:US11545527B2
公开(公告)日:2023-01-03
申请号:US16330919
申请日:2018-08-31
Applicant: BOE TECHNOLOGY GROUP CO., LTD.
Inventor: Yue Liu , Yansong Li , Haohan Zhang , Shanshan Bai , Haidong Wu
IPC: H01L27/32 , H01L51/00 , G09G3/3208
Abstract: A pixel arrangement structure may include a plurality of repeating units (100). Each of the plurality of the repeating units (100) may include a first sub-pixel (01) being at a center point of a virtual hexagon and second sub-pixels (02) and third sub-pixels (03) being alternately arranged at vertices of the virtual hexagon. Virtual hexagons of adjacent repeating units may share one common side as well as two sub-pixels on the common side.
-
公开(公告)号:US10998532B2
公开(公告)日:2021-05-04
申请号:US16196276
申请日:2018-11-20
Applicant: BOE Technology Group Co., Ltd.
Inventor: Yansong Li , Haidong Wu
Abstract: A display substrate, a manufacturing method thereof, and a display device are provided. The display substrate includes: a base substrate; an anode conductive layer; a cathode conductive layer, wherein the cathode conductive layer and the anode conductive layer are at a same side in a thickness direction of the base substrate; and an organic functional layer between the anode conductive layer and the cathode conductive layer, wherein the display substrate comprises first sub-pixel units and second sub-pixel units that are different in color category, the organic functional layer in the first sub-pixel units comprises a first light-emitting layer, the organic functional layer in the second sub-pixel units comprises the first light-emitting layer, a first electron blocking layer and a second light-emitting layer that are sequentially laminated in a direction away from the anode conductive layer, and a light-emitting color of the first light-emitting layer is different from a light-emitting color of the second light-emitting layer.
-
30.
公开(公告)号:US10991768B2
公开(公告)日:2021-04-27
申请号:US16468611
申请日:2018-12-20
Applicant: BOE TECHNOLOGY GROUP CO., LTD.
Inventor: Yansong Li , Haidong Wu , Shanshan Bai , Zhihui Xiao , Yue Liu , Haohan Zhang , Yangpeng Wang
Abstract: A pixel arrangement including first groups of sub-pixels arranged in a first direction, each of the first groups including first sub-pixels and third sub-pixels arranged alternately and second groups of sub-pixels arranged in the first direction, each of the second groups including third sub-pixels and second sub-pixels arranged alternately. The first groups and the second groups are alternately arranged in a second direction intersecting the first direction. The first groups and the second groups are arranged to form third groups of sub-pixels arranged in the second direction and fourth groups of sub-pixels arranged in the second direction. The third groups and the fourth groups are alternately arranged in the first direction. Each of the third groups includes first sub-pixels and third sub-pixels arranged alternately. Each of the fourth groups includes third sub-pixels and second sub-pixels arranged alternately.
-
-
-
-
-
-
-
-
-