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公开(公告)号:US11637150B2
公开(公告)日:2023-04-25
申请号:US17353372
申请日:2021-06-21
Applicant: BOE Technology Group Co., Ltd.
Inventor: Guang Yan , Changyen Wu , Juanjuan You , Linlin Wang
Abstract: The present disclosure provides an organic light-emitting diode display substrate, a method of preparing the same, and a display device. The organic light-emitting diode display substrate includes: a light-emitting layer, a light modulation layer, and a color conversion layer, in which the light-emitting layer is configured to emit first color light, the light modulation layer and the color conversion layer are arranged on different light-exiting paths of the light-emitting layer, the color conversion layer is configured to convert first color light into second color light and third color light, and the light modulation layer is configured to modulate an emergent direction of first color light.
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公开(公告)号:US11631835B2
公开(公告)日:2023-04-18
申请号:US16768279
申请日:2020-01-19
Applicant: BOE Technology Group Co., Ltd.
Inventor: Changyen Wu , Guang Yan , Wenfeng Song , Linlin Wang
Abstract: The present disclosure provides an OLED display panel and an OLED display device, and belongs to the field of display technology. The OLED display panel of the present disclosure includes a base substrate and a display cover disposed opposite to each other; a polarizing layer disposed between the base substrate and the display cover; a light extraction layer disposed between the base substrate and the display cover; the OLED display panel is provided with a light exit surface, and the light extraction layer is closer to the light exit surface than the polarizing layer.
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公开(公告)号:US20220029100A1
公开(公告)日:2022-01-27
申请号:US17188004
申请日:2021-03-01
Applicant: BOE Technology Group Co., Ltd.
Inventor: Juanjuan You , Linlin Wang
Abstract: A light emitting device and a displaying device. The light emitting device includes a first electrode, a second electrode, and a light emitting unit located between the first electrode and the second electrode, and the light emitting unit includes a doped electron-barrier layer, a blue-light host layer and a doped blue-light host layer that are stacked; the doped electron-barrier layer includes an electron-barrier host material and a first guest material that is doped in the electron-barrier host material; the blue-light host layer includes a first blue-light host material; the doped blue-light host layer includes a second blue-light host material and a second guest material that is doped in the second blue-light host material; and a singlet-state energy level of the first blue-light host material is higher than a singlet-state energy level of the first guest material and a singlet-state energy level of the second guest material.
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公开(公告)号:US11127798B2
公开(公告)日:2021-09-21
申请号:US16126053
申请日:2018-09-10
Applicant: BOE Technology Group Co., Ltd.
Inventor: Linlin Wang , Chengyuan Luo
Abstract: A pixel definition layer and a manufacturing method thereof, a display substrate, and a display panel are provided. The pixel definition layer includes: a lyophilic material layer on a base substrate, which includes a plurality of lyophilic portions spaced in pairs, which being with an annular structure and used to define a pixel region; and a lyophobic material layer on a side of the lyophilic material layer from the base substrate, which being filled between each two adjacent lyophilic portions of the plurality of lyophilic portions, and a distance from a surface of the lyophobic material layer from the base substrate to the base substrate is larger than a distance from a surface of the lyophilic material layer from the base substrate to the base substrate. The pixel definition layer improves the uniformity of films formed in the pixel region by the solution.
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公开(公告)号:US10914880B2
公开(公告)日:2021-02-09
申请号:US16325311
申请日:2018-05-30
Inventor: Linlin Wang , Dongliang Wang , Dan Wang , Huabin Chen
Abstract: Embodiments of the present disclosure provide a polarizer, a display panel, a display apparatus, and a wearable device. The polarizer includes a polarizing layer and a lens layer arranged in stack, wherein the lens layer includes at least one converging lens.
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公开(公告)号:US10315406B2
公开(公告)日:2019-06-11
申请号:US15824577
申请日:2017-11-28
Inventor: Xuequan Jin , Yachao Tong , Gu Yao , Linlin Wang
Abstract: A film-like structure, a film removing device and a film removing method are provided. The film-like structure includes a thin film, and a to-be-removed film arranged on the thin film and having a magnetic region. The film removing device includes: a working table provided with a support surface onto which the film-like structure is placed; and a film moving mechanism provided with a magnetic member and configured to remove the to-be-removed film from the thin film of the film-like structure through a magnetic force.
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公开(公告)号:US12300190B2
公开(公告)日:2025-05-13
申请号:US18247423
申请日:2022-06-17
Inventor: Chongguang Wei , Weifan Yang , Lu Ding , Linlin Wang , Bo Feng , Xiaofeng Yin
IPC: G09G3/36
Abstract: Provided is a driving method of a display panel, which relates to a field of a display technology. The display panel includes a pixel array, the pixel array comprises a plurality of rows of sub-pixels, and the driving method includes: driving, in a same display frame, different sub-pixels in a row of the sub-pixels respectively by a forward driving signal and a negative driving signal, wherein a voltage conversion rate of the forward driving signal is greater than a voltage conversion rate of the negative driving signal under a same display gray scale. A driving circuit, a driving chip and a display device are further provided.
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公开(公告)号:US12238952B2
公开(公告)日:2025-02-25
申请号:US17279664
申请日:2020-07-08
Applicant: BOE TECHNOLOGY GROUP CO., LTD.
Inventor: Linlin Wang , Juanjuan You
IPC: H10K50/824 , H10K50/13 , H10K50/844 , H10K71/00 , H10K102/00
Abstract: The present disclosure provides a light-emitting diode, including a first electrode, a light-emitting functional layer and a second electrode which are stacked, the first electrode is a transparent electrode, the second electrode includes a metal electrode layer and a semiconductor auxiliary layer, the metal electrode layer is attached to the light-emitting functional layer, the semiconductor auxiliary layer is located on a surface of the metal electrode layer away from the light-emitting functional layer. The metal electrode layer is made of a magnesium-silver alloy, a thickness of the metal electrode layer is between 3 nm and 5 nm, and the semiconductor auxiliary layer is made of IZO, a thickness of the semiconductor auxiliary layer is between 100 nm and 130 nm. The present disclosure further provides a light emitting device and a method of manufacturing a light emitting diode. The light-emitting diode has high color rendering index and low power consumption.
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公开(公告)号:US20250008763A1
公开(公告)日:2025-01-02
申请号:US18264814
申请日:2022-05-19
Applicant: BOE TECHNOLOGY GROUP CO., LTD.
Inventor: Linlin Wang , Guang Yan
IPC: H10K50/13 , H10K50/818 , H10K50/828 , H10K59/38 , H10K102/00
Abstract: The disclosure provides a light-emitting substrate, a display panel and a display device. The light-emitting substrate includes a plurality of light-emitting devices arranged in an array, each light-emitting device includes: a first electrode; a first light-emitting layer on the first electrode; a second light-emitting layer on the first light-emitting layer; a third light-emitting layer on the second light-emitting layer; a fourth light-emitting layer on the third light-emitting layer; and a second electrode on the fourth light-emitting layer. Three light-emitting layers of the first light-emitting layer, the second light-emitting layer, the third light-emitting layer, and the fourth light-emitting layer emit light of a first wavelength, and a remaining light-emitting layer of the first light-emitting layer, the second light-emitting layer, the third light-emitting layer, and the fourth light-emitting layer emits light of a second wavelength, and the first wavelength is smaller than the second wavelength.
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公开(公告)号:US11552134B2
公开(公告)日:2023-01-10
申请号:US16484631
申请日:2018-09-19
Applicant: BOE Technology Group Co., Ltd.
Inventor: Juanjuan You , Fang Liu , Linlin Wang
Abstract: The present disclosure is related to a light emitting diode. The light emitting diode may include a pixel unit which may include a first sub-pixel. The first sub-pixel may include a dummy electrode layer and a first electrode layer on the dummy electrode layer. The dummy electrode layer may include a first reflective layer. The first electrode layer may include a second reflective layer and a second transparent conductive layer on the second reflective layer.
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