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公开(公告)号：US20220302404A1
公开(公告)日：2022-09-22
申请号：US17626458
申请日：2021-04-08
Applicant: BOE Technology Group Co., Ltd.
Inventor： Lixia QIU , Lei CHEN , Congcong JIA
Abstract: An organic electroluminescent device, a display panel, and a display apparatus. The organic electroluminescent device comprises: an anode (301) and a cathode (302) arranged opposite to each other, an organic electroluminescent layer (303) located between the anode (301) and the cathode (302), and an electron blocking layer (304) located between the anode (301) and the organic electroluminescent layer (303); the organic electroluminescent layer (303) comprises: a first sub luminescent layer (3031), and a second sub luminescent layer (3032) located between the cathode (302) and the first sub luminescent layer (3031). The first sub luminescent layer (3031) is composed of a luminescent host material (Host), a luminescent object material (Dopant), and a hole trapping material (Trap). The second sub luminescent layer (3032) is composed of the luminescent host material (Host) and the luminescent object material (Dopant).
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公开(公告)号：US20210405452A1
公开(公告)日：2021-12-30
申请号：US17344054
申请日：2021-06-10
Inventor： Qiuli WANG , Lei CHEN , Zhiqiang WANG , Xin MA , Chuan SUN , Jianfeng YAO , Xinyu WANG , Dingyang TAN
IPC: G02F1/1335 , F21V8/00
Abstract: The present disclosure discloses a backlight module and a display apparatus. A microprism film layer is further arranged on a light emitting side of a light guide plate, and the microprism film layer is located in a range of a preset distance by which the light guide plate extends from a side close to a light source to a side away from the light source; and the microprism film layer includes a plurality of first microprism structures, and the first microprism structures are configured to make an incident angle of light at a first interface when entering the first microprism structures greater than an emitting angle of the light at the first interface when exiting from the first microprism structures when the light in the light guide plate enters the first microprism structures from the light guide plate and then enters the light guide plate from the first microprism structures.
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公开(公告)号：US20210215987A1
公开(公告)日：2021-07-15
申请号：US16634664
申请日：2018-12-07
Inventor： Lei CHEN , Qi ZHANG , Xuerong WANG , Zhiqiang WANG , Xin MA , Chuan SUN , Qiuli WANG , Bochao RUI , Lingyun SHI , Hao ZHANG
IPC: G02F1/155 , G02F1/163 , G02F1/1524
Abstract: A visual range adjustment component and a driving method thereof, a visual range adjustment device, and a display device are disclosed. The visual range adjustment component includes a first substrate; a second substrate; an electrolyte layer; and a plurality of electrochromic elements. Each of the plurality of electrochromic elements includes a first transparent electrode, two second transparent electrodes and an electrochromic layer; the first transparent electrode is located on a side of the first substrate facing the second substrate and the second transparent electrode is located on a side of the second substrate facing the first substrate; the electrolyte layer is arranged to be in contact with the first transparent electrode, the second transparent electrode, and the electrochromic layer, respectively; the first transparent electrode and the two second transparent electrodes respectively drive the electrochromic layer to change color through the electrolyte layer to adjust a visual range.
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公开(公告)号：US20200266248A1
公开(公告)日：2020-08-20
申请号：US16561448
申请日：2019-09-05
Applicant: BOE TECHNOLOGY GROUP CO., LTD.
Abstract: An array substrate includes a back plate including planar and curved portions; a light emitting layer at the back plate including first and second light emitting units that are spaced apart from each other, and a wavelength of a light emitted by the first light emitting unit being greater than a wavelength of a light emitted by the second light emitting unit; a pixel defining layer at a first side of the back plate and between the first light emitting unit and the second light emitting unit, the pixel defining layer including a first pixel defining region on the curved portion and adjacent to the first light emitting unit and close to the planar portion; and a correction layer at a side of the first pixel defining region away from the back plate for absorbing and reflecting the light emitted by the first light emitting unit.
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公开(公告)号：US20190146276A1
公开(公告)日：2019-05-16
申请号：US16099545
申请日：2018-02-12
Inventor： Pengfei CHENG , Lei CHEN , Xuqing FENG , Fei GAO , Xin MA , Xuerong WANG , Lu YU , Chuan SUN
IPC: G02F1/1335 , F21V8/00 , G02B26/08
Abstract: A backlight module, a controlling method thereof, and a display device are disclosed. The backlight module includes a light guide plate and at least one digital micro-mirror device located on a side of the light guide plate away from a light exiting surface. The at least one digital micro-mirror device includes a plurality of micro-mirrors, and a reflective surface of each of the plurality of micro-mirrors faces the light guide plate. A local brightness of the backlight module is adjusted by controlling the micro-mirrors in the digital micro-mirror device.
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Patent Agency Ranking
公开(公告)号：US20190131561A1
公开(公告)日：2019-05-02
申请号：US16054550
申请日：2018-08-03
Inventor： Xiaojin ZHANG , Lei CHEN , Dini XIE , Dan WANG
Abstract: The present disclosure provides an organic light emitting diode (OLED) device and a method for manufacturing the same, an OLED display substrate and an OLED display device. The OLED device of the present disclosure comprises a substrate, and a first electrode, a light emitting layer and a second electrode arranged on the substrate, wherein the light emitting layer comprises fibers of p-phenylene based polymer as a host material, and the fibers of p-phenylene based polymer are arranged in a first orientation; and wherein the light emitted by the fibers of p-phenylene based polymer arranged in the first orientation is linearly polarized light in a first direction. The OLED device of the present disclosure can simultaneously ensure a good contrast, brightness and light transmittance.
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公开(公告)号：US20180329546A1
公开(公告)日：2018-11-15
申请号：US15512594
申请日：2016-01-18
Inventor： Qian QIAN , Heecheol KIM , Zhi ZHANG , Zhihui WANG , Shuai CHEN , Taoliang TANG , Lei CHEN , Gang CHEN
CPC classification number: G06F3/0412 , G02F2201/121 , G06F3/0416 , G06F3/044 , G09G3/2003 , G09G2310/08
Abstract: A touch display panel, a driving method thereof, and a touch display device are provided. The touch display panel includes a timing controller, a first substrate and a second substrate arranged opposite to the first substrate. The first substrate includes a base substrate and common electrodes arranged on the base substrate. The first substrate further includes a touch switching unit connected to the timing controller via a touch control line and configured to control, within a touch time period, the common electrodes to receive a touch driving signal under the control of a touch control signal from the touch control line, and a display switching unit connected to the timing controller via a display control line and configured to control, within a display time period, the common electrodes to receive a common electrode voltage signal under the control of a display control signal from the display control line.
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28.发明申请公开(公告)号：US20180308428A1
公开(公告)日：2018-10-25
申请号：US15558068
申请日：2017-02-17
Inventor： Lei CHEN , Chen SONG , Airong LIU , Tangxiang WANG , Xuelian CHENG
IPC: G09G3/3258 , H01L51/52 , H01L27/32
Abstract: Disclosed are a circuit and a method for detecting a driving current of an organic light emitting diode display device, and an organic light emitting diode display device, the method includes: after detecting for a predetermined time period, obtaining an output voltage of the integrating circuit, and comparing the output voltage with at least one reference voltage; in the case that the output voltage and the reference voltage satisfy a predetermined condition, adjusting capacitance of a capacitor of the integrating circuit.
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公开(公告)号：US20180240425A1
公开(公告)日：2018-08-23
申请号：US15518230
申请日：2016-09-12
Inventor： Shuai CHEN , Zhi ZHANG , Siqing FU , Lisheng LIANG , Xianyong GAO , Jianghong WEN , Qian QIAN , Xiuzhu TANG , Zhihui WANG , Lei CHEN , Taoliang TANG , Gang CHEN
IPC: G09G3/36
CPC classification number: G09G3/3674 , G09G3/36 , G09G3/3614 , G09G2310/067 , G09G2310/08 , G09G2320/0209 , G09G2320/0233
Abstract: The present disclosure provides a display drive circuit for driving a display panel having a plurality of pixels. The display drive circuit comprises a stepping unit, configured to shape a gate voltage signal to compensate for pixel-to-pixel charging variations to thereby reduce luminance variations on the display panel. The display drive circuit can further include a time sequence control unit and a modulation unit. The time sequence control unit can be coupled to the modulation unit, and can be configured to generate a first control signal; and the modulation unit can be configured to utilize the first control signal to modulate a preset signal to thereby generate a second control signal; and the stepping unit can be coupled to the modulation unit, and can be configured to shape the gate voltage signal based on the second control signal prior to outputting the gate voltage signal.
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公开(公告)号：US20240425535A1
公开(公告)日：2024-12-26
申请号：US18703729
申请日：2023-05-18
Applicant: BOE Technology Group Co., Ltd.
Inventor： Lei CHEN , Xueqin CHEN , Bingyan LIANG , Dongxu ZHANG
Abstract: A phosphoryl derivative, the use, an organic light-emitting diode, and a display apparatus. A phosphoryl group of the phosphoryl derivative is directly bonded to two substituted or unsubstituted aryl groups, and at least is directly bonded to or is indirectly bonded via a bridge group to a non-conjugated substituent group.
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